mptbase.c 221.1 KB
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/*
 *  linux/drivers/message/fusion/mptbase.c
 *      This is the Fusion MPT base driver which supports multiple
 *      (SCSI + LAN) specialized protocol drivers.
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 *      For use with LSI PCI chip/adapter(s)
 *      running LSI Fusion MPT (Message Passing Technology) firmware.
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 *
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 *  Copyright (c) 1999-2008 LSI Corporation
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 *  (mailto:DL-MPTFusionLinux@lsi.com)
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 *
 */
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/*
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; version 2 of the License.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    NO WARRANTY
    THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
    CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
    LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
    MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
    solely responsible for determining the appropriateness of using and
    distributing the Program and assumes all risks associated with its
    exercise of rights under this Agreement, including but not limited to
    the risks and costs of program errors, damage to or loss of data,
    programs or equipment, and unavailability or interruption of operations.

    DISCLAIMER OF LIABILITY
    NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
    DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
    DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
    ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
    TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
    USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
    HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/

#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/errno.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/types.h>
#include <linux/pci.h>
#include <linux/kdev_t.h>
#include <linux/blkdev.h>
#include <linux/delay.h>
#include <linux/interrupt.h>		/* needed for in_interrupt() proto */
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#include <linux/dma-mapping.h>
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#include <asm/io.h>
#ifdef CONFIG_MTRR
#include <asm/mtrr.h>
#endif

#include "mptbase.h"
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#include "lsi/mpi_log_fc.h"
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/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
#define my_NAME		"Fusion MPT base driver"
#define my_VERSION	MPT_LINUX_VERSION_COMMON
#define MYNAM		"mptbase"

MODULE_AUTHOR(MODULEAUTHOR);
MODULE_DESCRIPTION(my_NAME);
MODULE_LICENSE("GPL");
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MODULE_VERSION(my_VERSION);
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/*
 *  cmd line parameters
 */
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static int mpt_msi_enable_spi;
module_param(mpt_msi_enable_spi, int, 0);
MODULE_PARM_DESC(mpt_msi_enable_spi, " Enable MSI Support for SPI \
		controllers (default=0)");

static int mpt_msi_enable_fc;
module_param(mpt_msi_enable_fc, int, 0);
MODULE_PARM_DESC(mpt_msi_enable_fc, " Enable MSI Support for FC \
		controllers (default=0)");

static int mpt_msi_enable_sas;
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module_param(mpt_msi_enable_sas, int, 0);
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MODULE_PARM_DESC(mpt_msi_enable_sas, " Enable MSI Support for SAS \
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		controllers (default=0)");
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static int mpt_channel_mapping;
module_param(mpt_channel_mapping, int, 0);
MODULE_PARM_DESC(mpt_channel_mapping, " Mapping id's to channels (default=0)");

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static int mpt_debug_level;
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static int mpt_set_debug_level(const char *val, struct kernel_param *kp);
module_param_call(mpt_debug_level, mpt_set_debug_level, param_get_int,
		  &mpt_debug_level, 0600);
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MODULE_PARM_DESC(mpt_debug_level, " debug level - refer to mptdebug.h \
	- (default=0)");

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int mpt_fwfault_debug;
EXPORT_SYMBOL(mpt_fwfault_debug);
module_param_call(mpt_fwfault_debug, param_set_int, param_get_int,
	  &mpt_fwfault_debug, 0600);
MODULE_PARM_DESC(mpt_fwfault_debug, "Enable detection of Firmware fault"
	" and halt Firmware on fault - (default=0)");


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#ifdef MFCNT
static int mfcounter = 0;
#define PRINT_MF_COUNT 20000
#endif

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/*
 *  Public data...
 */

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static struct proc_dir_entry *mpt_proc_root_dir;
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#define WHOINIT_UNKNOWN		0xAA

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/*
 *  Private data...
 */
					/* Adapter link list */
LIST_HEAD(ioc_list);
					/* Callback lookup table */
static MPT_CALLBACK		 MptCallbacks[MPT_MAX_PROTOCOL_DRIVERS];
					/* Protocol driver class lookup table */
static int			 MptDriverClass[MPT_MAX_PROTOCOL_DRIVERS];
					/* Event handler lookup table */
static MPT_EVHANDLER		 MptEvHandlers[MPT_MAX_PROTOCOL_DRIVERS];
					/* Reset handler lookup table */
static MPT_RESETHANDLER		 MptResetHandlers[MPT_MAX_PROTOCOL_DRIVERS];
static struct mpt_pci_driver 	*MptDeviceDriverHandlers[MPT_MAX_PROTOCOL_DRIVERS];

static DECLARE_WAIT_QUEUE_HEAD(mpt_waitq);

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/*
 *  Driver Callback Index's
 */
static u8 mpt_base_index = MPT_MAX_PROTOCOL_DRIVERS;
static u8 last_drv_idx;

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/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/*
 *  Forward protos...
 */
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static irqreturn_t mpt_interrupt(int irq, void *bus_id);
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static int	mpt_base_reply(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req, MPT_FRAME_HDR *reply);
static int	mpt_handshake_req_reply_wait(MPT_ADAPTER *ioc, int reqBytes,
			u32 *req, int replyBytes, u16 *u16reply, int maxwait,
			int sleepFlag);
static int	mpt_do_ioc_recovery(MPT_ADAPTER *ioc, u32 reason, int sleepFlag);
static void	mpt_detect_bound_ports(MPT_ADAPTER *ioc, struct pci_dev *pdev);
static void	mpt_adapter_disable(MPT_ADAPTER *ioc);
static void	mpt_adapter_dispose(MPT_ADAPTER *ioc);

static void	MptDisplayIocCapabilities(MPT_ADAPTER *ioc);
static int	MakeIocReady(MPT_ADAPTER *ioc, int force, int sleepFlag);
static int	GetIocFacts(MPT_ADAPTER *ioc, int sleepFlag, int reason);
static int	GetPortFacts(MPT_ADAPTER *ioc, int portnum, int sleepFlag);
static int	SendIocInit(MPT_ADAPTER *ioc, int sleepFlag);
static int	SendPortEnable(MPT_ADAPTER *ioc, int portnum, int sleepFlag);
static int	mpt_do_upload(MPT_ADAPTER *ioc, int sleepFlag);
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static int	mpt_downloadboot(MPT_ADAPTER *ioc, MpiFwHeader_t *pFwHeader, int sleepFlag);
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static int	mpt_diag_reset(MPT_ADAPTER *ioc, int ignore, int sleepFlag);
static int	KickStart(MPT_ADAPTER *ioc, int ignore, int sleepFlag);
static int	SendIocReset(MPT_ADAPTER *ioc, u8 reset_type, int sleepFlag);
static int	PrimeIocFifos(MPT_ADAPTER *ioc);
static int	WaitForDoorbellAck(MPT_ADAPTER *ioc, int howlong, int sleepFlag);
static int	WaitForDoorbellInt(MPT_ADAPTER *ioc, int howlong, int sleepFlag);
static int	WaitForDoorbellReply(MPT_ADAPTER *ioc, int howlong, int sleepFlag);
static int	GetLanConfigPages(MPT_ADAPTER *ioc);
static int	GetIoUnitPage2(MPT_ADAPTER *ioc);
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int		mptbase_sas_persist_operation(MPT_ADAPTER *ioc, u8 persist_opcode);
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static int	mpt_GetScsiPortSettings(MPT_ADAPTER *ioc, int portnum);
static int	mpt_readScsiDevicePageHeaders(MPT_ADAPTER *ioc, int portnum);
static void 	mpt_read_ioc_pg_1(MPT_ADAPTER *ioc);
static void 	mpt_read_ioc_pg_4(MPT_ADAPTER *ioc);
static void	mpt_timer_expired(unsigned long data);
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static void	mpt_get_manufacturing_pg_0(MPT_ADAPTER *ioc);
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static int	SendEventNotification(MPT_ADAPTER *ioc, u8 EvSwitch);
static int	SendEventAck(MPT_ADAPTER *ioc, EventNotificationReply_t *evnp);
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static int	mpt_host_page_access_control(MPT_ADAPTER *ioc, u8 access_control_value, int sleepFlag);
static int	mpt_host_page_alloc(MPT_ADAPTER *ioc, pIOCInit_t ioc_init);
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#ifdef CONFIG_PROC_FS
static int	procmpt_summary_read(char *buf, char **start, off_t offset,
				int request, int *eof, void *data);
static int	procmpt_version_read(char *buf, char **start, off_t offset,
				int request, int *eof, void *data);
static int	procmpt_iocinfo_read(char *buf, char **start, off_t offset,
				int request, int *eof, void *data);
#endif
static void	mpt_get_fw_exp_ver(char *buf, MPT_ADAPTER *ioc);

//int		mpt_HardResetHandler(MPT_ADAPTER *ioc, int sleepFlag);
static int	ProcessEventNotification(MPT_ADAPTER *ioc, EventNotificationReply_t *evReply, int *evHandlers);
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static void	mpt_iocstatus_info(MPT_ADAPTER *ioc, u32 ioc_status, MPT_FRAME_HDR *mf);
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static void	mpt_fc_log_info(MPT_ADAPTER *ioc, u32 log_info);
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static void	mpt_spi_log_info(MPT_ADAPTER *ioc, u32 log_info);
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static void	mpt_sas_log_info(MPT_ADAPTER *ioc, u32 log_info);
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static int	mpt_read_ioc_pg_3(MPT_ADAPTER *ioc);
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static void	mpt_inactive_raid_list_free(MPT_ADAPTER *ioc);
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/* module entry point */
static int  __init    fusion_init  (void);
static void __exit    fusion_exit  (void);

#define CHIPREG_READ32(addr) 		readl_relaxed(addr)
#define CHIPREG_READ32_dmasync(addr)	readl(addr)
#define CHIPREG_WRITE32(addr,val) 	writel(val, addr)
#define CHIPREG_PIO_WRITE32(addr,val)	outl(val, (unsigned long)addr)
#define CHIPREG_PIO_READ32(addr) 	inl((unsigned long)addr)

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static void
pci_disable_io_access(struct pci_dev *pdev)
{
	u16 command_reg;

	pci_read_config_word(pdev, PCI_COMMAND, &command_reg);
	command_reg &= ~1;
	pci_write_config_word(pdev, PCI_COMMAND, command_reg);
}

static void
pci_enable_io_access(struct pci_dev *pdev)
{
	u16 command_reg;

	pci_read_config_word(pdev, PCI_COMMAND, &command_reg);
	command_reg |= 1;
	pci_write_config_word(pdev, PCI_COMMAND, command_reg);
}

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static int mpt_set_debug_level(const char *val, struct kernel_param *kp)
{
	int ret = param_set_int(val, kp);
	MPT_ADAPTER *ioc;

	if (ret)
		return ret;

	list_for_each_entry(ioc, &ioc_list, list)
		ioc->debug_level = mpt_debug_level;
	return 0;
}

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/**
 *	mpt_get_cb_idx - obtain cb_idx for registered driver
 *	@dclass: class driver enum
 *
 *	Returns cb_idx, or zero means it wasn't found
 **/
static u8
mpt_get_cb_idx(MPT_DRIVER_CLASS dclass)
{
	u8 cb_idx;

	for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--)
		if (MptDriverClass[cb_idx] == dclass)
			return cb_idx;
	return 0;
}

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/**
 *	mpt_fault_reset_work - work performed on workq after ioc fault
 *	@work: input argument, used to derive ioc
 *
**/
static void
mpt_fault_reset_work(struct work_struct *work)
{
	MPT_ADAPTER	*ioc =
	    container_of(work, MPT_ADAPTER, fault_reset_work.work);
	u32		 ioc_raw_state;
	int		 rc;
	unsigned long	 flags;

	if (ioc->diagPending || !ioc->active)
		goto out;

	ioc_raw_state = mpt_GetIocState(ioc, 0);
	if ((ioc_raw_state & MPI_IOC_STATE_MASK) == MPI_IOC_STATE_FAULT) {
		printk(MYIOC_s_WARN_FMT "IOC is in FAULT state (%04xh)!!!\n",
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		       ioc->name, ioc_raw_state & MPI_DOORBELL_DATA_MASK);
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		printk(MYIOC_s_WARN_FMT "Issuing HardReset from %s!!\n",
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		       ioc->name, __func__);
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		rc = mpt_HardResetHandler(ioc, CAN_SLEEP);
		printk(MYIOC_s_WARN_FMT "%s: HardReset: %s\n", ioc->name,
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		       __func__, (rc == 0) ? "success" : "failed");
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		ioc_raw_state = mpt_GetIocState(ioc, 0);
		if ((ioc_raw_state & MPI_IOC_STATE_MASK) == MPI_IOC_STATE_FAULT)
			printk(MYIOC_s_WARN_FMT "IOC is in FAULT state after "
			    "reset (%04xh)\n", ioc->name, ioc_raw_state &
			    MPI_DOORBELL_DATA_MASK);
	}

 out:
	/*
	 * Take turns polling alternate controller
	 */
	if (ioc->alt_ioc)
		ioc = ioc->alt_ioc;

	/* rearm the timer */
	spin_lock_irqsave(&ioc->fault_reset_work_lock, flags);
	if (ioc->reset_work_q)
		queue_delayed_work(ioc->reset_work_q, &ioc->fault_reset_work,
			msecs_to_jiffies(MPT_POLLING_INTERVAL));
	spin_unlock_irqrestore(&ioc->fault_reset_work_lock, flags);
}


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/*
 *  Process turbo (context) reply...
 */
static void
mpt_turbo_reply(MPT_ADAPTER *ioc, u32 pa)
{
	MPT_FRAME_HDR *mf = NULL;
	MPT_FRAME_HDR *mr = NULL;
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	u16 req_idx = 0;
	u8 cb_idx;
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	dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Got TURBO reply req_idx=%08x\n",
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				ioc->name, pa));

	switch (pa >> MPI_CONTEXT_REPLY_TYPE_SHIFT) {
	case MPI_CONTEXT_REPLY_TYPE_SCSI_INIT:
		req_idx = pa & 0x0000FFFF;
		cb_idx = (pa & 0x00FF0000) >> 16;
		mf = MPT_INDEX_2_MFPTR(ioc, req_idx);
		break;
	case MPI_CONTEXT_REPLY_TYPE_LAN:
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		cb_idx = mpt_get_cb_idx(MPTLAN_DRIVER);
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		/*
		 *  Blind set of mf to NULL here was fatal
		 *  after lan_reply says "freeme"
		 *  Fix sort of combined with an optimization here;
		 *  added explicit check for case where lan_reply
		 *  was just returning 1 and doing nothing else.
		 *  For this case skip the callback, but set up
		 *  proper mf value first here:-)
		 */
		if ((pa & 0x58000000) == 0x58000000) {
			req_idx = pa & 0x0000FFFF;
			mf = MPT_INDEX_2_MFPTR(ioc, req_idx);
			mpt_free_msg_frame(ioc, mf);
			mb();
			return;
			break;
		}
		mr = (MPT_FRAME_HDR *) CAST_U32_TO_PTR(pa);
		break;
	case MPI_CONTEXT_REPLY_TYPE_SCSI_TARGET:
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		cb_idx = mpt_get_cb_idx(MPTSTM_DRIVER);
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		mr = (MPT_FRAME_HDR *) CAST_U32_TO_PTR(pa);
		break;
	default:
		cb_idx = 0;
		BUG();
	}

	/*  Check for (valid) IO callback!  */
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	if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS ||
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		MptCallbacks[cb_idx] == NULL) {
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		printk(MYIOC_s_WARN_FMT "%s: Invalid cb_idx (%d)!\n",
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				__func__, ioc->name, cb_idx);
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		goto out;
	}

	if (MptCallbacks[cb_idx](ioc, mf, mr))
		mpt_free_msg_frame(ioc, mf);
 out:
	mb();
}

static void
mpt_reply(MPT_ADAPTER *ioc, u32 pa)
{
	MPT_FRAME_HDR	*mf;
	MPT_FRAME_HDR	*mr;
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	u16		 req_idx;
	u8		 cb_idx;
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	int		 freeme;

	u32 reply_dma_low;
	u16 ioc_stat;

	/* non-TURBO reply!  Hmmm, something may be up...
	 *  Newest turbo reply mechanism; get address
	 *  via left shift 1 (get rid of MPI_ADDRESS_REPLY_A_BIT)!
	 */

	/* Map DMA address of reply header to cpu address.
	 * pa is 32 bits - but the dma address may be 32 or 64 bits
	 * get offset based only only the low addresses
	 */

	reply_dma_low = (pa <<= 1);
	mr = (MPT_FRAME_HDR *)((u8 *)ioc->reply_frames +
			 (reply_dma_low - ioc->reply_frames_low_dma));

	req_idx = le16_to_cpu(mr->u.frame.hwhdr.msgctxu.fld.req_idx);
	cb_idx = mr->u.frame.hwhdr.msgctxu.fld.cb_idx;
	mf = MPT_INDEX_2_MFPTR(ioc, req_idx);

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	dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Got non-TURBO reply=%p req_idx=%x cb_idx=%x Function=%x\n",
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			ioc->name, mr, req_idx, cb_idx, mr->u.hdr.Function));
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	DBG_DUMP_REPLY_FRAME(ioc, (u32 *)mr);
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	 /*  Check/log IOC log info
	 */
	ioc_stat = le16_to_cpu(mr->u.reply.IOCStatus);
	if (ioc_stat & MPI_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE) {
		u32	 log_info = le32_to_cpu(mr->u.reply.IOCLogInfo);
		if (ioc->bus_type == FC)
			mpt_fc_log_info(ioc, log_info);
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		else if (ioc->bus_type == SPI)
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			mpt_spi_log_info(ioc, log_info);
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		else if (ioc->bus_type == SAS)
			mpt_sas_log_info(ioc, log_info);
	}

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	if (ioc_stat & MPI_IOCSTATUS_MASK)
		mpt_iocstatus_info(ioc, (u32)ioc_stat, mf);
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	/*  Check for (valid) IO callback!  */
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	if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS ||
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		MptCallbacks[cb_idx] == NULL) {
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		printk(MYIOC_s_WARN_FMT "%s: Invalid cb_idx (%d)!\n",
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				__func__, ioc->name, cb_idx);
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		freeme = 0;
		goto out;
	}

	freeme = MptCallbacks[cb_idx](ioc, mf, mr);

 out:
	/*  Flush (non-TURBO) reply with a WRITE!  */
	CHIPREG_WRITE32(&ioc->chip->ReplyFifo, pa);

	if (freeme)
		mpt_free_msg_frame(ioc, mf);
	mb();
}

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/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
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/**
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 *	mpt_interrupt - MPT adapter (IOC) specific interrupt handler.
 *	@irq: irq number (not used)
 *	@bus_id: bus identifier cookie == pointer to MPT_ADAPTER structure
 *
 *	This routine is registered via the request_irq() kernel API call,
 *	and handles all interrupts generated from a specific MPT adapter
 *	(also referred to as a IO Controller or IOC).
 *	This routine must clear the interrupt from the adapter and does
 *	so by reading the reply FIFO.  Multiple replies may be processed
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 *	per single call to this routine.
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 *
 *	This routine handles register-level access of the adapter but
 *	dispatches (calls) a protocol-specific callback routine to handle
 *	the protocol-specific details of the MPT request completion.
 */
static irqreturn_t
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mpt_interrupt(int irq, void *bus_id)
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{
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	MPT_ADAPTER *ioc = bus_id;
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	u32 pa = CHIPREG_READ32_dmasync(&ioc->chip->ReplyFifo);

	if (pa == 0xFFFFFFFF)
		return IRQ_NONE;
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	/*
	 *  Drain the reply FIFO!
	 */
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	do {
		if (pa & MPI_ADDRESS_REPLY_A_BIT)
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			mpt_reply(ioc, pa);
		else
			mpt_turbo_reply(ioc, pa);
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		pa = CHIPREG_READ32_dmasync(&ioc->chip->ReplyFifo);
	} while (pa != 0xFFFFFFFF);
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	return IRQ_HANDLED;
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
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/**
 *	mpt_base_reply - MPT base driver's callback routine
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 *	@ioc: Pointer to MPT_ADAPTER structure
 *	@mf: Pointer to original MPT request frame
 *	@reply: Pointer to MPT reply frame (NULL if TurboReply)
 *
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 *	MPT base driver's callback routine; all base driver
 *	"internal" request/reply processing is routed here.
 *	Currently used for EventNotification and EventAck handling.
 *
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 *	Returns 1 indicating original alloc'd request frame ptr
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 *	should be freed, or 0 if it shouldn't.
 */
static int
mpt_base_reply(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *reply)
{
	int freereq = 1;
	u8 func;

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	dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mpt_base_reply() called\n", ioc->name));
#ifdef CONFIG_FUSION_LOGGING
	if ((ioc->debug_level & MPT_DEBUG_MSG_FRAME) &&
			!(reply->u.hdr.MsgFlags & MPI_MSGFLAGS_CONTINUATION_REPLY)) {
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		dmfprintk(ioc, printk(MYIOC_s_INFO_FMT ": Original request frame (@%p) header\n",
		    ioc->name, mf));
		DBG_DUMP_REQUEST_FRAME_HDR(ioc, (u32 *)mf);
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	}
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#endif
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	func = reply->u.hdr.Function;
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	dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mpt_base_reply, Function=%02Xh\n",
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			ioc->name, func));

	if (func == MPI_FUNCTION_EVENT_NOTIFICATION) {
		EventNotificationReply_t *pEvReply = (EventNotificationReply_t *) reply;
		int evHandlers = 0;
		int results;

		results = ProcessEventNotification(ioc, pEvReply, &evHandlers);
		if (results != evHandlers) {
			/* CHECKME! Any special handling needed here? */
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			devtverboseprintk(ioc, printk(MYIOC_s_WARN_FMT "Called %d event handlers, sum results = %d\n",
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					ioc->name, evHandlers, results));
		}

		/*
		 *	Hmmm...  It seems that EventNotificationReply is an exception
		 *	to the rule of one reply per request.
		 */
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		if (pEvReply->MsgFlags & MPI_MSGFLAGS_CONTINUATION_REPLY) {
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			freereq = 0;
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		} else {
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			devtverboseprintk(ioc, printk(MYIOC_s_WARN_FMT "EVENT_NOTIFICATION reply %p returns Request frame\n",
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				ioc->name, pEvReply));
		}
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#ifdef CONFIG_PROC_FS
//		LogEvent(ioc, pEvReply);
#endif

	} else if (func == MPI_FUNCTION_EVENT_ACK) {
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		dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mpt_base_reply, EventAck reply received\n",
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				ioc->name));
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	} else if (func == MPI_FUNCTION_CONFIG) {
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		CONFIGPARMS *pCfg;
		unsigned long flags;

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		dcprintk(ioc, printk(MYIOC_s_DEBUG_FMT "config_complete (mf=%p,mr=%p)\n",
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				ioc->name, mf, reply));

		pCfg = * ((CONFIGPARMS **)((u8 *) mf + ioc->req_sz - sizeof(void *)));

		if (pCfg) {
			/* disable timer and remove from linked list */
			del_timer(&pCfg->timer);

			spin_lock_irqsave(&ioc->FreeQlock, flags);
			list_del(&pCfg->linkage);
			spin_unlock_irqrestore(&ioc->FreeQlock, flags);

			/*
			 *	If IOC Status is SUCCESS, save the header
			 *	and set the status code to GOOD.
			 */
			pCfg->status = MPT_CONFIG_ERROR;
			if (reply) {
				ConfigReply_t	*pReply = (ConfigReply_t *)reply;
				u16		 status;

				status = le16_to_cpu(pReply->IOCStatus) & MPI_IOCSTATUS_MASK;
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				dcprintk(ioc, printk(MYIOC_s_NOTE_FMT "  IOCStatus=%04xh, IOCLogInfo=%08xh\n",
				     ioc->name, status, le32_to_cpu(pReply->IOCLogInfo)));
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				pCfg->status = status;
				if (status == MPI_IOCSTATUS_SUCCESS) {
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					if ((pReply->Header.PageType &
					    MPI_CONFIG_PAGETYPE_MASK) ==
					    MPI_CONFIG_PAGETYPE_EXTENDED) {
						pCfg->cfghdr.ehdr->ExtPageLength =
						    le16_to_cpu(pReply->ExtPageLength);
						pCfg->cfghdr.ehdr->ExtPageType =
						    pReply->ExtPageType;
					}
					pCfg->cfghdr.hdr->PageVersion = pReply->Header.PageVersion;

					/* If this is a regular header, save PageLength. */
					/* LMP Do this better so not using a reserved field! */
					pCfg->cfghdr.hdr->PageLength = pReply->Header.PageLength;
					pCfg->cfghdr.hdr->PageNumber = pReply->Header.PageNumber;
					pCfg->cfghdr.hdr->PageType = pReply->Header.PageType;
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				}
			}

			/*
			 *	Wake up the original calling thread
			 */
			pCfg->wait_done = 1;
			wake_up(&mpt_waitq);
		}
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	} else if (func == MPI_FUNCTION_SAS_IO_UNIT_CONTROL) {
		/* we should be always getting a reply frame */
		memcpy(ioc->persist_reply_frame, reply,
		    min(MPT_DEFAULT_FRAME_SIZE,
		    4*reply->u.reply.MsgLength));
		del_timer(&ioc->persist_timer);
		ioc->persist_wait_done = 1;
		wake_up(&mpt_waitq);
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	} else {
		printk(MYIOC_s_ERR_FMT "Unexpected msg function (=%02Xh) reply received!\n",
				ioc->name, func);
	}

	/*
	 *	Conditionally tell caller to free the original
	 *	EventNotification/EventAck/unexpected request frame!
	 */
	return freereq;
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/**
 *	mpt_register - Register protocol-specific main callback handler.
 *	@cbfunc: callback function pointer
 *	@dclass: Protocol driver's class (%MPT_DRIVER_CLASS enum value)
 *
 *	This routine is called by a protocol-specific driver (SCSI host,
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 *	LAN, SCSI target) to register its reply callback routine.  Each
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 *	protocol-specific driver must do this before it will be able to
 *	use any IOC resources, such as obtaining request frames.
 *
 *	NOTES: The SCSI protocol driver currently calls this routine thrice
 *	in order to register separate callbacks; one for "normal" SCSI IO;
 *	one for MptScsiTaskMgmt requests; one for Scan/DV requests.
 *
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 *	Returns u8 valued "handle" in the range (and S.O.D. order)
 *	{N,...,7,6,5,...,1} if successful.
 *	A return value of MPT_MAX_PROTOCOL_DRIVERS (including zero!) should be
 *	considered an error by the caller.
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 */
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u8
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mpt_register(MPT_CALLBACK cbfunc, MPT_DRIVER_CLASS dclass)
{
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	u8 cb_idx;
	last_drv_idx = MPT_MAX_PROTOCOL_DRIVERS;
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	/*
	 *  Search for empty callback slot in this order: {N,...,7,6,5,...,1}
	 *  (slot/handle 0 is reserved!)
	 */
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	for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) {
		if (MptCallbacks[cb_idx] == NULL) {
			MptCallbacks[cb_idx] = cbfunc;
			MptDriverClass[cb_idx] = dclass;
			MptEvHandlers[cb_idx] = NULL;
			last_drv_idx = cb_idx;
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			break;
		}
	}

	return last_drv_idx;
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/**
 *	mpt_deregister - Deregister a protocol drivers resources.
 *	@cb_idx: previously registered callback handle
 *
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 *	Each protocol-specific driver should call this routine when its
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 *	module is unloaded.
 */
void
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mpt_deregister(u8 cb_idx)
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{
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	if (cb_idx && (cb_idx < MPT_MAX_PROTOCOL_DRIVERS)) {
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		MptCallbacks[cb_idx] = NULL;
		MptDriverClass[cb_idx] = MPTUNKNOWN_DRIVER;
		MptEvHandlers[cb_idx] = NULL;

		last_drv_idx++;
	}
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/**
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 *	mpt_event_register - Register protocol-specific event callback handler.
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 *	@cb_idx: previously registered (via mpt_register) callback handle
 *	@ev_cbfunc: callback function
 *
 *	This routine can be called by one or more protocol-specific drivers
 *	if/when they choose to be notified of MPT events.
 *
 *	Returns 0 for success.
 */
int
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mpt_event_register(u8 cb_idx, MPT_EVHANDLER ev_cbfunc)
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{
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	if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS)
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		return -1;

	MptEvHandlers[cb_idx] = ev_cbfunc;
	return 0;
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/**
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 *	mpt_event_deregister - Deregister protocol-specific event callback handler
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 *	@cb_idx: previously registered callback handle
 *
 *	Each protocol-specific driver should call this routine
 *	when it does not (or can no longer) handle events,
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 *	or when its module is unloaded.
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 */
void
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mpt_event_deregister(u8 cb_idx)
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{
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	if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS)
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		return;

	MptEvHandlers[cb_idx] = NULL;
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/**
 *	mpt_reset_register - Register protocol-specific IOC reset handler.
 *	@cb_idx: previously registered (via mpt_register) callback handle
 *	@reset_func: reset function
 *
 *	This routine can be called by one or more protocol-specific drivers
 *	if/when they choose to be notified of IOC resets.
 *
 *	Returns 0 for success.
 */
int
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mpt_reset_register(u8 cb_idx, MPT_RESETHANDLER reset_func)
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{
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	if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS)
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		return -1;

	MptResetHandlers[cb_idx] = reset_func;
	return 0;
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/**
 *	mpt_reset_deregister - Deregister protocol-specific IOC reset handler.
 *	@cb_idx: previously registered callback handle
 *
 *	Each protocol-specific driver should call this routine
 *	when it does not (or can no longer) handle IOC reset handling,
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 *	or when its module is unloaded.
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 */
void
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mpt_reset_deregister(u8 cb_idx)
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{
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	if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS)
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		return;

	MptResetHandlers[cb_idx] = NULL;
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/**
 *	mpt_device_driver_register - Register device driver hooks
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 *	@dd_cbfunc: driver callbacks struct
 *	@cb_idx: MPT protocol driver index
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 */
int
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mpt_device_driver_register(struct mpt_pci_driver * dd_cbfunc, u8 cb_idx)
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{
	MPT_ADAPTER	*ioc;
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	const struct pci_device_id *id;
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	if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS)
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		return -EINVAL;
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	MptDeviceDriverHandlers[cb_idx] = dd_cbfunc;

	/* call per pci device probe entry point */
	list_for_each_entry(ioc, &ioc_list, list) {
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		id = ioc->pcidev->driver ?
		    ioc->pcidev->driver->id_table : NULL;
		if (dd_cbfunc->probe)
			dd_cbfunc->probe(ioc->pcidev, id);
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	 }

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	return 0;
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}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/**
 *	mpt_device_driver_deregister - DeRegister device driver hooks
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 *	@cb_idx: MPT protocol driver index
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 */
void
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mpt_device_driver_deregister(u8 cb_idx)
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{
	struct mpt_pci_driver *dd_cbfunc;
	MPT_ADAPTER	*ioc;

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	if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS)
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		return;

	dd_cbfunc = MptDeviceDriverHandlers[cb_idx];

	list_for_each_entry(ioc, &ioc_list, list) {
		if (dd_cbfunc->remove)
			dd_cbfunc->remove(ioc->pcidev);
	}
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	MptDeviceDriverHandlers[cb_idx] = NULL;
}


/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/**
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 *	mpt_get_msg_frame - Obtain an MPT request frame from the pool
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 *	@cb_idx: Handle of registered MPT protocol driver
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 *	@ioc: Pointer to MPT adapter structure
 *
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 *	Obtain an MPT request frame from the pool (of 1024) that are
 *	allocated per MPT adapter.
 *
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 *	Returns pointer to a MPT request frame or %NULL if none are available
 *	or IOC is not active.
 */
MPT_FRAME_HDR*
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mpt_get_msg_frame(u8 cb_idx, MPT_ADAPTER *ioc)
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{
	MPT_FRAME_HDR *mf;
	unsigned long flags;
	u16	 req_idx;	/* Request index */

	/* validate handle and ioc identifier */

#ifdef MFCNT
	if (!ioc->active)
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		printk(MYIOC_s_WARN_FMT "IOC Not Active! mpt_get_msg_frame "
		    "returning NULL!\n", ioc->name);
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#endif

	/* If interrupts are not attached, do not return a request frame */
	if (!ioc->active)
		return NULL;

	spin_lock_irqsave(&ioc->FreeQlock, flags);
	if (!list_empty(&ioc->FreeQ)) {
		int req_offset;

		mf = list_entry(ioc->FreeQ.next, MPT_FRAME_HDR,
				u.frame.linkage.list);
		list_del(&mf->u.frame.linkage.list);
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		mf->u.frame.linkage.arg1 = 0;
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		mf->u.frame.hwhdr.msgctxu.fld.cb_idx = cb_idx;	/* byte */
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		req_offset = (u8 *)mf - (u8 *)ioc->req_frames;
								/* u16! */
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		req_idx = req_offset / ioc->req_sz;
		mf->u.frame.hwhdr.msgctxu.fld.req_idx = cpu_to_le16(req_idx);
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		mf->u.frame.hwhdr.msgctxu.fld.rsvd = 0;
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		/* Default, will be changed if necessary in SG generation */
		ioc->RequestNB[req_idx] = ioc->NB_for_64_byte_frame;
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#ifdef MFCNT
		ioc->mfcnt++;
#endif
	}
	else
		mf = NULL;
	spin_unlock_irqrestore(&ioc->FreeQlock, flags);

#ifdef MFCNT
	if (mf == NULL)
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		printk(MYIOC_s_WARN_FMT "IOC Active. No free Msg Frames! "
		    "Count 0x%x Max 0x%x\n", ioc->name, ioc->mfcnt,
		    ioc->req_depth);
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	mfcounter++;
	if (mfcounter == PRINT_MF_COUNT)
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		printk(MYIOC_s_INFO_FMT "MF Count 0x%x Max 0x%x \n", ioc->name,
		    ioc->mfcnt, ioc->req_depth);
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#endif

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	dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mpt_get_msg_frame(%d,%d), got mf=%p\n",
	    ioc->name, cb_idx, ioc->id, mf));
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	return mf;
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/**
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 *	mpt_put_msg_frame - Send a protocol-specific MPT request frame to an IOC
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 *	@cb_idx: Handle of registered MPT protocol driver
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 *	@ioc: Pointer to MPT adapter structure
 *	@mf: Pointer to MPT request frame
 *
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 *	This routine posts an MPT request frame to the request post FIFO of a
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 *	specific MPT adapter.
 */
void
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mpt_put_msg_frame(u8 cb_idx, MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf)
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{
	u32 mf_dma_addr;
	int req_offset;
	u16	 req_idx;	/* Request index */

	/* ensure values are reset properly! */
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	mf->u.frame.hwhdr.msgctxu.fld.cb_idx = cb_idx;		/* byte */
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	req_offset = (u8 *)mf - (u8 *)ioc->req_frames;
								/* u16! */
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	req_idx = req_offset / ioc->req_sz;
	mf->u.frame.hwhdr.msgctxu.fld.req_idx = cpu_to_le16(req_idx);
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	mf->u.frame.hwhdr.msgctxu.fld.rsvd = 0;

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	DBG_DUMP_PUT_MSG_FRAME(ioc, (u32 *)mf);
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	mf_dma_addr = (ioc->req_frames_low_dma + req_offset) | ioc->RequestNB[req_idx];
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	dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mf_dma_addr=%x req_idx=%d "
	    "RequestNB=%x\n", ioc->name, mf_dma_addr, req_idx,
	    ioc->RequestNB[req_idx]));
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	CHIPREG_WRITE32(&ioc->chip->RequestFifo, mf_dma_addr);
}

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/**
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 *	mpt_put_msg_frame_hi_pri - Send a hi-pri protocol-specific MPT request frame
943
 *	@cb_idx: Handle of registered MPT protocol driver
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 *	@ioc: Pointer to MPT adapter structure
 *	@mf: Pointer to MPT request frame
 *
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 *	Send a protocol-specific MPT request frame to an IOC using
 *	hi-priority request queue.
 *
 *	This routine posts an MPT request frame to the request post FIFO of a
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 *	specific MPT adapter.
 **/
void
954
mpt_put_msg_frame_hi_pri(u8 cb_idx, MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf)
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{
	u32 mf_dma_addr;
	int req_offset;
	u16	 req_idx;	/* Request index */

	/* ensure values are reset properly! */
961
	mf->u.frame.hwhdr.msgctxu.fld.cb_idx = cb_idx;
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	req_offset = (u8 *)mf - (u8 *)ioc->req_frames;
	req_idx = req_offset / ioc->req_sz;
	mf->u.frame.hwhdr.msgctxu.fld.req_idx = cpu_to_le16(req_idx);
	mf->u.frame.hwhdr.msgctxu.fld.rsvd = 0;

	DBG_DUMP_PUT_MSG_FRAME(ioc, (u32 *)mf);

	mf_dma_addr = (ioc->req_frames_low_dma + req_offset);
	dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mf_dma_addr=%x req_idx=%d\n",
		ioc->name, mf_dma_addr, req_idx));
	CHIPREG_WRITE32(&ioc->chip->RequestHiPriFifo, mf_dma_addr);
}

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/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/**
 *	mpt_free_msg_frame - Place MPT request frame back on FreeQ.
 *	@ioc: Pointer to MPT adapter structure
 *	@mf: Pointer to MPT request frame
 *
 *	This routine places a MPT request frame back on the MPT adapter's
 *	FreeQ.
 */
void
mpt_free_msg_frame(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf)
{
	unsigned long flags;

	/*  Put Request back on FreeQ!  */
	spin_lock_irqsave(&ioc->FreeQlock, flags);
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	mf->u.frame.linkage.arg1 = 0xdeadbeaf; /* signature to know if this mf is freed */
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	list_add_tail(&mf->u.frame.linkage.list, &ioc->FreeQ);
#ifdef MFCNT
	ioc->mfcnt--;
#endif
	spin_unlock_irqrestore(&ioc->FreeQlock, flags);
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/**
1001
 *	mpt_add_sge - Place a simple 32 bit SGE at address pAddr.
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 *	@pAddr: virtual address for SGE
 *	@flagslength: SGE flags and data transfer length
 *	@dma_addr: Physical address
 *
 *	This routine places a MPT request frame back on the MPT adapter's
 *	FreeQ.
 */
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static void
mpt_add_sge(void *pAddr, u32 flagslength, dma_addr_t dma_addr)
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{
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	SGESimple32_t *pSge = (SGESimple32_t *) pAddr;
	pSge->FlagsLength = cpu_to_le32(flagslength);
	pSge->Address = cpu_to_le32(dma_addr);
}

/**
 *	mpt_add_sge_64bit - Place a simple 64 bit SGE at address pAddr.
 *	@pAddr: virtual address for SGE
 *	@flagslength: SGE flags and data transfer length
 *	@dma_addr: Physical address
 *
 *	This routine places a MPT request frame back on the MPT adapter's
 *	FreeQ.
 **/
static void
mpt_add_sge_64bit(void *pAddr, u32 flagslength, dma_addr_t dma_addr)
{
	SGESimple64_t *pSge = (SGESimple64_t *) pAddr;
	pSge->Address.Low = cpu_to_le32
			(lower_32_bits((unsigned long)(dma_addr)));
	pSge->Address.High = cpu_to_le32
			(upper_32_bits((unsigned long)dma_addr));
	pSge->FlagsLength = cpu_to_le32
			((flagslength | MPT_SGE_FLAGS_64_BIT_ADDRESSING));
}

/**
 *	mpt_add_sge_64bit_1078 - Place a simple 64 bit SGE at address pAddr
 *	(1078 workaround).
 *	@pAddr: virtual address for SGE
 *	@flagslength: SGE flags and data transfer length
 *	@dma_addr: Physical address
 *
 *	This routine places a MPT request frame back on the MPT adapter's
 *	FreeQ.
 **/
static void
mpt_add_sge_64bit_1078(void *pAddr, u32 flagslength, dma_addr_t dma_addr)
{
	SGESimple64_t *pSge = (SGESimple64_t *) pAddr;
	u32 tmp;

	pSge->Address.Low = cpu_to_le32
			(lower_32_bits((unsigned long)(dma_addr)));
	tmp = (u32)(upper_32_bits((unsigned long)dma_addr));

	/*
	 * 1078 errata workaround for the 36GB limitation
	 */
	if ((((u64)dma_addr + MPI_SGE_LENGTH(flagslength)) >> 32)  == 9) {
		flagslength |=
		    MPI_SGE_SET_FLAGS(MPI_SGE_FLAGS_LOCAL_ADDRESS);
		tmp |= (1<<31);
		if (mpt_debug_level & MPT_DEBUG_36GB_MEM)
			printk(KERN_DEBUG "1078 P0M2 addressing for "
			    "addr = 0x%llx len = %d\n",
			    (unsigned long long)dma_addr,
			    MPI_SGE_LENGTH(flagslength));
	}

	pSge->Address.High = cpu_to_le32(tmp);
	pSge->FlagsLength = cpu_to_le32(
		(flagslength | MPT_SGE_FLAGS_64_BIT_ADDRESSING));
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/**
 *	mpt_add_chain - Place a 32 bit chain SGE at address pAddr.
 *	@pAddr: virtual address for SGE
 *	@next: nextChainOffset value (u32's)
 *	@length: length of next SGL segment
 *	@dma_addr: Physical address
 *
 */
static void
mpt_add_chain(void *pAddr, u8 next, u16 length, dma_addr_t dma_addr)
{
		SGEChain32_t *pChain = (SGEChain32_t *) pAddr;
		pChain->Length = cpu_to_le16(length);
		pChain->Flags = MPI_SGE_FLAGS_CHAIN_ELEMENT;
		pChain->NextChainOffset = next;
		pChain->Address = cpu_to_le32(dma_addr);
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/**
 *	mpt_add_chain_64bit - Place a 64 bit chain SGE at address pAddr.
 *	@pAddr: virtual address for SGE
 *	@next: nextChainOffset value (u32's)
 *	@length: length of next SGL segment
 *	@dma_addr: Physical address
 *
 */
static void
mpt_add_chain_64bit(void *pAddr, u8 next, u16 length, dma_addr_t dma_addr)
{
		SGEChain64_t *pChain = (SGEChain64_t *) pAddr;
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		u32 tmp = dma_addr & 0xFFFFFFFF;

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		pChain->Length = cpu_to_le16(length);
		pChain->Flags = (MPI_SGE_FLAGS_CHAIN_ELEMENT |
				 MPI_SGE_FLAGS_64_BIT_ADDRESSING);
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		pChain->NextChainOffset = next;

		pChain->Address.Low = cpu_to_le32(tmp);
		tmp = (u32)(upper_32_bits((unsigned long)dma_addr));
		pChain->Address.High = cpu_to_le32(tmp);
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}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/**
1124
 *	mpt_send_handshake_request - Send MPT request via doorbell handshake method.
1125
 *	@cb_idx: Handle of registered MPT protocol driver
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 *	@ioc: Pointer to MPT adapter structure
 *	@reqBytes: Size of the request in bytes
 *	@req: Pointer to MPT request frame
 *	@sleepFlag: Use schedule if CAN_SLEEP else use udelay.
 *
 *	This routine is used exclusively to send MptScsiTaskMgmt
 *	requests since they are required to be sent via doorbell handshake.
 *
 *	NOTE: It is the callers responsibility to byte-swap fields in the
 *	request which are greater than 1 byte in size.
 *
 *	Returns 0 for success, non-zero for failure.
 */
int
1140
mpt_send_handshake_request(u8 cb_idx, MPT_ADAPTER *ioc, int reqBytes, u32 *req, int sleepFlag)
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{
1142
	int	r = 0;
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	u8	*req_as_bytes;
	int	 ii;

	/* State is known to be good upon entering
	 * this function so issue the bus reset
	 * request.
	 */

	/*
	 * Emulate what mpt_put_msg_frame() does /wrt to sanity
	 * setting cb_idx/req_idx.  But ONLY if this request
	 * is in proper (pre-alloc'd) request buffer range...
	 */
	ii = MFPTR_2_MPT_INDEX(ioc,(MPT_FRAME_HDR*)req);
	if (reqBytes >= 12 && ii >= 0 && ii < ioc->req_depth) {
		MPT_FRAME_HDR *mf = (MPT_FRAME_HDR*)req;
		mf->u.frame.hwhdr.msgctxu.fld.req_idx = cpu_to_le16(ii);
1160
		mf->u.frame.hwhdr.msgctxu.fld.cb_idx = cb_idx;
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	}

	/* Make sure there are no doorbells */
	CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
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	CHIPREG_WRITE32(&ioc->chip->Doorbell,
			((MPI_FUNCTION_HANDSHAKE<<MPI_DOORBELL_FUNCTION_SHIFT) |
			 ((reqBytes/4)<<MPI_DOORBELL_ADD_DWORDS_SHIFT)));

	/* Wait for IOC doorbell int */
	if ((ii = WaitForDoorbellInt(ioc, 5, sleepFlag)) < 0) {
		return ii;
	}

	/* Read doorbell and check for active bit */
	if (!(CHIPREG_READ32(&ioc->chip->Doorbell) & MPI_DOORBELL_ACTIVE))
		return -5;

1179
	dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mpt_send_handshake_request start, WaitCnt=%d\n",
1180
		ioc->name, ii));
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	CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);

	if ((r = WaitForDoorbellAck(ioc, 5, sleepFlag)) < 0) {
		return -2;
	}
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	/* Send request via doorbell handshake */
	req_as_bytes = (u8 *) req;
	for (ii = 0; ii < reqBytes/4; ii++) {
		u32 word;

		word = ((req_as_bytes[(ii*4) + 0] <<  0) |
			(req_as_bytes[(ii*4) + 1] <<  8) |
			(req_as_bytes[(ii*4) + 2] << 16) |
			(req_as_bytes[(ii*4) + 3] << 24));
		CHIPREG_WRITE32(&ioc->chip->Doorbell, word);
		if ((r = WaitForDoorbellAck(ioc, 5, sleepFlag)) < 0) {
			r = -3;
			break;
		}
	}

	if (r >= 0 && WaitForDoorbellInt(ioc, 10, sleepFlag) >= 0)
		r = 0;
	else
		r = -4;

	/* Make sure there are no doorbells */
	CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
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	return r;
}

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/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/**
1217
 * mpt_host_page_access_control - control the IOC's Host Page Buffer access
1218 1219
 * @ioc: Pointer to MPT adapter structure
 * @access_control_value: define bits below
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 * @sleepFlag: Specifies whether the process can sleep
 *
 * Provides mechanism for the host driver to control the IOC's
 * Host Page Buffer access.
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 *
 * Access Control Value - bits[15:12]
 * 0h Reserved
 * 1h Enable Access { MPI_DB_HPBAC_ENABLE_ACCESS }
 * 2h Disable Access { MPI_DB_HPBAC_DISABLE_ACCESS }
 * 3h Free Buffer { MPI_DB_HPBAC_FREE_BUFFER }
 *
 * Returns 0 for success, non-zero for failure.
 */

static int
mpt_host_page_access_control(MPT_ADAPTER *ioc, u8 access_control_value, int sleepFlag)
{
	int	 r = 0;

	/* return if in use */
	if (CHIPREG_READ32(&ioc->chip->Doorbell)
	    & MPI_DOORBELL_ACTIVE)
	    return -1;

	CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);

	CHIPREG_WRITE32(&ioc->chip->Doorbell,
		((MPI_FUNCTION_HOST_PAGEBUF_ACCESS_CONTROL
		 <<MPI_DOORBELL_FUNCTION_SHIFT) |
		 (access_control_value<<12)));

	/* Wait for IOC to clear Doorbell Status bit */
	if ((r = WaitForDoorbellAck(ioc, 5, sleepFlag)) < 0) {
		return -2;
	}else
		return 0;
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/**
 *	mpt_host_page_alloc - allocate system memory for the fw
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 *	@ioc: Pointer to pointer to IOC adapter
 *	@ioc_init: Pointer to ioc init config page
1263
 *
1264
 *	If we already allocated memory in past, then resend the same pointer.
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 *	Returns 0 for success, non-zero for failure.
 */
static int
mpt_host_page_alloc(MPT_ADAPTER *ioc, pIOCInit_t ioc_init)
{
	char	*psge;
	int	flags_length;
	u32	host_page_buffer_sz=0;

	if(!ioc->HostPageBuffer) {

		host_page_buffer_sz =
		    le32_to_cpu(ioc->facts.HostPageBufferSGE.FlagsLength) & 0xFFFFFF;

		if(!host_page_buffer_sz)
			return 0; /* fw doesn't need any host buffers */

		/* spin till we get enough memory */
		while(host_page_buffer_sz > 0) {

			if((ioc->HostPageBuffer = pci_alloc_consistent(
			    ioc->pcidev,
			    host_page_buffer_sz,
			    &ioc->HostPageBuffer_dma)) != NULL) {

1290
				dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1291
				    "host_page_buffer @ %p, dma @ %x, sz=%d bytes\n",
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				    ioc->name, ioc->HostPageBuffer,
				    (u32)ioc->HostPageBuffer_dma,
1294
				    host_page_buffer_sz));
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				ioc->alloc_total += host_page_buffer_sz;
				ioc->HostPageBuffer_sz = host_page_buffer_sz;
				break;
			}

			host_page_buffer_sz -= (4*1024);
		}
	}

	if(!ioc->HostPageBuffer) {
		printk(MYIOC_s_ERR_FMT
		    "Failed to alloc memory for host_page_buffer!\n",
		    ioc->name);
		return -999;
	}

	psge = (char *)&ioc_init->HostPageBufferSGE;
	flags_length = MPI_SGE_FLAGS_SIMPLE_ELEMENT |
	    MPI_SGE_FLAGS_SYSTEM_ADDRESS |
	    MPI_SGE_FLAGS_32_BIT_ADDRESSING |
	    MPI_SGE_FLAGS_HOST_TO_IOC |
	    MPI_SGE_FLAGS_END_OF_BUFFER;
	if (sizeof(dma_addr_t) == sizeof(u64)) {
	    flags_length |= MPI_SGE_FLAGS_64_BIT_ADDRESSING;
	}
	flags_length = flags_length << MPI_SGE_FLAGS_SHIFT;
	flags_length |= ioc->HostPageBuffer_sz;
1322
	ioc->add_sge(psge, flags_length, ioc->HostPageBuffer_dma);
1323 1324 1325 1326 1327
	ioc->facts.HostPageBufferSGE = ioc_init->HostPageBufferSGE;

return 0;
}

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/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/**
1330
 *	mpt_verify_adapter - Given IOC identifier, set pointer to its adapter structure.
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 *	@iocid: IOC unique identifier (integer)
 *	@iocpp: Pointer to pointer to IOC adapter
 *
1334 1335 1336 1337 1338
 *	Given a unique IOC identifier, set pointer to the associated MPT
 *	adapter structure.
 *
 *	Returns iocid and sets iocpp if iocid is found.
 *	Returns -1 if iocid is not found.
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 */
int
mpt_verify_adapter(int iocid, MPT_ADAPTER **iocpp)
{
	MPT_ADAPTER *ioc;

	list_for_each_entry(ioc,&ioc_list,list) {
		if (ioc->id == iocid) {
			*iocpp =ioc;
			return iocid;
1349
		}
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	}
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	*iocpp = NULL;
	return -1;
}

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/**
 *	mpt_get_product_name - returns product string
 *	@vendor: pci vendor id
 *	@device: pci device id
 *	@revision: pci revision id
 *	@prod_name: string returned
 *
 *	Returns product string displayed when driver loads,
 *	in /proc/mpt/summary and /sysfs/class/scsi_host/host<X>/version_product
 *
 **/
static void
mpt_get_product_name(u16 vendor, u16 device, u8 revision, char *prod_name)
{
	char *product_str = NULL;

	if (vendor == PCI_VENDOR_ID_BROCADE) {
		switch (device)
		{
		case MPI_MANUFACTPAGE_DEVICEID_FC949E:
			switch (revision)
			{
			case 0x00:
				product_str = "BRE040 A0";
				break;
			case 0x01:
				product_str = "BRE040 A1";
				break;
			default:
				product_str = "BRE040";
				break;
			}
			break;
		}
		goto out;
	}

	switch (device)
	{
	case MPI_MANUFACTPAGE_DEVICEID_FC909:
		product_str = "LSIFC909 B1";
		break;
	case MPI_MANUFACTPAGE_DEVICEID_FC919:
		product_str = "LSIFC919 B0";
		break;
	case MPI_MANUFACTPAGE_DEVICEID_FC929:
		product_str = "LSIFC929 B0";
		break;
	case MPI_MANUFACTPAGE_DEVICEID_FC919X:
		if (revision < 0x80)
			product_str = "LSIFC919X A0";
		else
			product_str = "LSIFC919XL A1";
		break;
	case MPI_MANUFACTPAGE_DEVICEID_FC929X:
		if (revision < 0x80)
			product_str = "LSIFC929X A0";
		else
			product_str = "LSIFC929XL A1";
		break;
	case MPI_MANUFACTPAGE_DEVICEID_FC939X:
		product_str = "LSIFC939X A1";
		break;
	case MPI_MANUFACTPAGE_DEVICEID_FC949X:
		product_str = "LSIFC949X A1";
		break;
	case MPI_MANUFACTPAGE_DEVICEID_FC949E:
		switch (revision)
		{
		case 0x00:
			product_str = "LSIFC949E A0";
			break;
		case 0x01:
			product_str = "LSIFC949E A1";
			break;
		default:
			product_str = "LSIFC949E";
			break;
		}
		break;
	case MPI_MANUFACTPAGE_DEVID_53C1030:
		switch (revision)
		{
		case 0x00:
			product_str = "LSI53C1030 A0";
			break;
		case 0x01:
			product_str = "LSI53C1030 B0";
			break;
		case 0x03:
			product_str = "LSI53C1030 B1";
			break;
		case 0x07:
			product_str = "LSI53C1030 B2";
			break;
		case 0x08:
			product_str = "LSI53C1030 C0";
			break;
		case 0x80:
			product_str = "LSI53C1030T A0";
			break;
		case 0x83:
			product_str = "LSI53C1030T A2";
			break;
		case 0x87:
			product_str = "LSI53C1030T A3";
			break;
		case 0xc1:
			product_str = "LSI53C1020A A1";
			break;
		default:
			product_str = "LSI53C1030";
			break;
		}
		break;
	case MPI_MANUFACTPAGE_DEVID_1030_53C1035:
		switch (revision)
		{
		case 0x03:
			product_str = "LSI53C1035 A2";
			break;
		case 0x04:
			product_str = "LSI53C1035 B0";
			break;
		default:
			product_str = "LSI53C1035";
			break;
		}
		break;
	case MPI_MANUFACTPAGE_DEVID_SAS1064:
		switch (revision)
		{
		case 0x00:
			product_str = "LSISAS1064 A1";
			break;
		case 0x01:
			product_str = "LSISAS1064 A2";
			break;
		case 0x02:
			product_str = "LSISAS1064 A3";
			break;
		case 0x03:
			product_str = "LSISAS1064 A4";
			break;
		default:
			product_str = "LSISAS1064";
			break;
		}
		break;
	case MPI_MANUFACTPAGE_DEVID_SAS1064E:
		switch (revision)
		{
		case 0x00:
			product_str = "LSISAS1064E A0";
			break;
		case 0x01:
			product_str = "LSISAS1064E B0";
			break;
		case 0x02:
			product_str = "LSISAS1064E B1";
			break;
		case 0x04:
			product_str = "LSISAS1064E B2";
			break;
		case 0x08:
			product_str = "LSISAS1064E B3";
			break;
		default:
			product_str = "LSISAS1064E";
			break;
		}
		break;
	case MPI_MANUFACTPAGE_DEVID_SAS1068:
		switch (revision)
		{
		case 0x00:
			product_str = "LSISAS1068 A0";
			break;
		case 0x01:
			product_str = "LSISAS1068 B0";
			break;
		case 0x02:
			product_str = "LSISAS1068 B1";
			break;
		default:
			product_str = "LSISAS1068";
			break;
		}
		break;
	case MPI_MANUFACTPAGE_DEVID_SAS1068E:
		switch (revision)
		{
		case 0x00:
			product_str = "LSISAS1068E A0";
			break;
		case 0x01:
			product_str = "LSISAS1068E B0";
			break;
		case 0x02:
			product_str = "LSISAS1068E B1";
			break;
		case 0x04:
			product_str = "LSISAS1068E B2";
			break;
		case 0x08:
			product_str = "LSISAS1068E B3";
			break;
		default:
			product_str = "LSISAS1068E";
			break;
		}
		break;
	case MPI_MANUFACTPAGE_DEVID_SAS1078:
		switch (revision)
		{
		case 0x00:
			product_str = "LSISAS1078 A0";
			break;
		case 0x01:
			product_str = "LSISAS1078 B0";
			break;
		case 0x02:
			product_str = "LSISAS1078 C0";
			break;
		case 0x03:
			product_str = "LSISAS1078 C1";
			break;
		case 0x04:
			product_str = "LSISAS1078 C2";
			break;
		default:
			product_str = "LSISAS1078";
			break;
		}
		break;
	}

 out:
	if (product_str)
		sprintf(prod_name, "%s", product_str);
}

1598 1599 1600 1601 1602 1603 1604 1605 1606 1607 1608 1609 1610 1611 1612 1613 1614 1615 1616 1617 1618 1619 1620 1621 1622 1623 1624 1625 1626 1627 1628 1629 1630
/**
 *	mpt_mapresources - map in memory mapped io
 *	@ioc: Pointer to pointer to IOC adapter
 *
 **/
static int
mpt_mapresources(MPT_ADAPTER *ioc)
{
	u8		__iomem *mem;
	int		 ii;
	unsigned long	 mem_phys;
	unsigned long	 port;
	u32		 msize;
	u32		 psize;
	u8		 revision;
	int		 r = -ENODEV;
	struct pci_dev *pdev;

	pdev = ioc->pcidev;
	ioc->bars = pci_select_bars(pdev, IORESOURCE_MEM);
	if (pci_enable_device_mem(pdev)) {
		printk(MYIOC_s_ERR_FMT "pci_enable_device_mem() "
		    "failed\n", ioc->name);
		return r;
	}
	if (pci_request_selected_regions(pdev, ioc->bars, "mpt")) {
		printk(MYIOC_s_ERR_FMT "pci_request_selected_regions() with "
		    "MEM failed\n", ioc->name);
		return r;
	}

	pci_read_config_byte(pdev, PCI_CLASS_REVISION, &revision);

1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642 1643 1644 1645 1646 1647 1648 1649 1650 1651 1652 1653
	if (sizeof(dma_addr_t) > 4) {
		const uint64_t required_mask = dma_get_required_mask
		    (&pdev->dev);
		if (required_mask > DMA_BIT_MASK(32)
			&& !pci_set_dma_mask(pdev, DMA_BIT_MASK(64))
			&& !pci_set_consistent_dma_mask(pdev,
						 DMA_BIT_MASK(64))) {
			ioc->dma_mask = DMA_BIT_MASK(64);
			dinitprintk(ioc, printk(MYIOC_s_INFO_FMT
				": 64 BIT PCI BUS DMA ADDRESSING SUPPORTED\n",
				ioc->name));
		} else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32))
			&& !pci_set_consistent_dma_mask(pdev,
						DMA_BIT_MASK(32))) {
			ioc->dma_mask = DMA_BIT_MASK(32);
			dinitprintk(ioc, printk(MYIOC_s_INFO_FMT
				": 32 BIT PCI BUS DMA ADDRESSING SUPPORTED\n",
				ioc->name));
		} else {
			printk(MYIOC_s_WARN_FMT "no suitable DMA mask for %s\n",
			    ioc->name, pci_name(pdev));
			return r;
		}
1654
	} else {
1655 1656 1657 1658 1659 1660 1661 1662 1663 1664 1665 1666
		if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32))
			&& !pci_set_consistent_dma_mask(pdev,
						DMA_BIT_MASK(32))) {
			ioc->dma_mask = DMA_BIT_MASK(32);
			dinitprintk(ioc, printk(MYIOC_s_INFO_FMT
				": 32 BIT PCI BUS DMA ADDRESSING SUPPORTED\n",
				ioc->name));
		} else {
			printk(MYIOC_s_WARN_FMT "no suitable DMA mask for %s\n",
			    ioc->name, pci_name(pdev));
			return r;
		}
1667 1668 1669 1670 1671 1672 1673 1674 1675 1676 1677 1678 1679 1680 1681 1682 1683 1684 1685 1686 1687 1688 1689 1690 1691 1692 1693 1694 1695 1696 1697 1698 1699 1700 1701 1702 1703 1704 1705 1706 1707 1708 1709 1710
	}

	mem_phys = msize = 0;
	port = psize = 0;
	for (ii = 0; ii < DEVICE_COUNT_RESOURCE; ii++) {
		if (pci_resource_flags(pdev, ii) & PCI_BASE_ADDRESS_SPACE_IO) {
			if (psize)
				continue;
			/* Get I/O space! */
			port = pci_resource_start(pdev, ii);
			psize = pci_resource_len(pdev, ii);
		} else {
			if (msize)
				continue;
			/* Get memmap */
			mem_phys = pci_resource_start(pdev, ii);
			msize = pci_resource_len(pdev, ii);
		}
	}
	ioc->mem_size = msize;

	mem = NULL;
	/* Get logical ptr for PciMem0 space */
	/*mem = ioremap(mem_phys, msize);*/
	mem = ioremap(mem_phys, msize);
	if (mem == NULL) {
		printk(MYIOC_s_ERR_FMT ": ERROR - Unable to map adapter"
			" memory!\n", ioc->name);
		return -EINVAL;
	}
	ioc->memmap = mem;
	dinitprintk(ioc, printk(MYIOC_s_INFO_FMT "mem = %p, mem_phys = %lx\n",
	    ioc->name, mem, mem_phys));

	ioc->mem_phys = mem_phys;
	ioc->chip = (SYSIF_REGS __iomem *)mem;

	/* Save Port IO values in case we need to do downloadboot */
	ioc->pio_mem_phys = port;
	ioc->pio_chip = (SYSIF_REGS __iomem *)port;

	return 0;
}

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/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1712
/**
1713
 *	mpt_attach - Install a PCI intelligent MPT adapter.
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 *	@pdev: Pointer to pci_dev structure
1715
 *	@id: PCI device ID information
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 *
 *	This routine performs all the steps necessary to bring the IOC of
 *	a MPT adapter to a OPERATIONAL state.  This includes registering
 *	memory regions, registering the interrupt, and allocating request
 *	and reply memory pools.
 *
 *	This routine also pre-fetches the LAN MAC address of a Fibre Channel
 *	MPT adapter.
 *
 *	Returns 0 for success, non-zero for failure.
 *
 *	TODO: Add support for polled controllers
 */
1729 1730
int
mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id)
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{
	MPT_ADAPTER	*ioc;
1733
	u8		 cb_idx;
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	int		 r = -ENODEV;
	u8		 revision;
	u8		 pcixcmd;
	static int	 mpt_ids = 0;
#ifdef CONFIG_PROC_FS
	struct proc_dir_entry *dent, *ent;
#endif

1742 1743 1744 1745 1746
	ioc = kzalloc(sizeof(MPT_ADAPTER), GFP_ATOMIC);
	if (ioc == NULL) {
		printk(KERN_ERR MYNAM ": ERROR - Insufficient memory to add adapter!\n");
		return -ENOMEM;
	}
1747

1748 1749
	ioc->id = mpt_ids++;
	sprintf(ioc->name, "ioc%d", ioc->id);
1750

1751 1752 1753 1754 1755 1756 1757 1758
	/*
	 * set initial debug level
	 * (refer to mptdebug.h)
	 *
	 */
	ioc->debug_level = mpt_debug_level;
	if (mpt_debug_level)
		printk(KERN_INFO "mpt_debug_level=%xh\n", mpt_debug_level);
1759

1760
	dinitprintk(ioc, printk(MYIOC_s_INFO_FMT ": mpt_adapter_install\n", ioc->name));
1761

1762 1763
	ioc->pcidev = pdev;
	if (mpt_mapresources(ioc)) {
1764
		kfree(ioc);
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		return r;
	}

1768 1769 1770 1771 1772 1773 1774 1775 1776 1777 1778 1779 1780 1781 1782 1783 1784
	/*
	 * Setting up proper handlers for scatter gather handling
	 */
	if (ioc->dma_mask == DMA_BIT_MASK(64)) {
		if (pdev->device == MPI_MANUFACTPAGE_DEVID_SAS1078)
			ioc->add_sge = &mpt_add_sge_64bit_1078;
		else
			ioc->add_sge = &mpt_add_sge_64bit;
		ioc->add_chain = &mpt_add_chain_64bit;
		ioc->sg_addr_size = 8;
	} else {
		ioc->add_sge = &mpt_add_sge;
		ioc->add_chain = &mpt_add_chain;
		ioc->sg_addr_size = 4;
	}
	ioc->SGE_size = sizeof(u32) + ioc->sg_addr_size;

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	ioc->alloc_total = sizeof(MPT_ADAPTER);
	ioc->req_sz = MPT_DEFAULT_FRAME_SIZE;		/* avoid div by zero! */
	ioc->reply_sz = MPT_REPLY_FRAME_SIZE;
1788

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	ioc->pcidev = pdev;
	ioc->diagPending = 0;
	spin_lock_init(&ioc->diagLock);
1792
	spin_lock_init(&ioc->initializing_hba_lock);
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	/* Initialize the event logging.
	 */
	ioc->eventTypes = 0;	/* None */
	ioc->eventContext = 0;
	ioc->eventLogSize = 0;
	ioc->events = NULL;

#ifdef MFCNT
	ioc->mfcnt = 0;
#endif

	ioc->cached_fw = NULL;

	/* Initilize SCSI Config Data structure
	 */
1809
	memset(&ioc->spi_data, 0, sizeof(SpiCfgData));
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	/* Initialize the running configQ head.
	 */
	INIT_LIST_HEAD(&ioc->configQ);

1815 1816 1817 1818
	/* Initialize the fc rport list head.
	 */
	INIT_LIST_HEAD(&ioc->fc_rports);

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	/* Find lookup slot. */
	INIT_LIST_HEAD(&ioc->list);
1821

1822 1823 1824 1825 1826

	/* Initialize workqueue */
	INIT_DELAYED_WORK(&ioc->fault_reset_work, mpt_fault_reset_work);
	spin_lock_init(&ioc->fault_reset_work_lock);

1827 1828
	snprintf(ioc->reset_work_q_name, sizeof(ioc->reset_work_q_name),
		 "mpt_poll_%d", ioc->id);
1829 1830 1831 1832 1833 1834 1835 1836 1837 1838
	ioc->reset_work_q =
		create_singlethread_workqueue(ioc->reset_work_q_name);
	if (!ioc->reset_work_q) {
		printk(MYIOC_s_ERR_FMT "Insufficient memory to add adapter!\n",
		    ioc->name);
		pci_release_selected_regions(pdev, ioc->bars);
		kfree(ioc);
		return -ENOMEM;
	}

1839 1840
	dinitprintk(ioc, printk(MYIOC_s_INFO_FMT "facts @ %p, pfacts[0] @ %p\n",
	    ioc->name, &ioc->facts, &ioc->pfacts[0]));
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1842 1843 1844 1845 1846 1847 1848 1849 1850 1851 1852 1853
	pci_read_config_byte(pdev, PCI_CLASS_REVISION, &revision);
	mpt_get_product_name(pdev->vendor, pdev->device, revision, ioc->prod_name);

	switch (pdev->device)
	{
	case MPI_MANUFACTPAGE_DEVICEID_FC939X:
	case MPI_MANUFACTPAGE_DEVICEID_FC949X:
		ioc->errata_flag_1064 = 1;
	case MPI_MANUFACTPAGE_DEVICEID_FC909:
	case MPI_MANUFACTPAGE_DEVICEID_FC929:
	case MPI_MANUFACTPAGE_DEVICEID_FC919:
	case MPI_MANUFACTPAGE_DEVICEID_FC949E:
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		ioc->bus_type = FC;
1855 1856 1857
		break;

	case MPI_MANUFACTPAGE_DEVICEID_FC929X:
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		if (revision < XL_929) {
			/* 929X Chip Fix. Set Split transactions level
		 	* for PCIX. Set MOST bits to zero.
		 	*/
			pci_read_config_byte(pdev, 0x6a, &pcixcmd);
			pcixcmd &= 0x8F;
			pci_write_config_byte(pdev, 0x6a, pcixcmd);
		} else {
			/* 929XL Chip Fix. Set MMRBC to 0x08.
		 	*/
			pci_read_config_byte(pdev, 0x6a, &pcixcmd);
			pcixcmd |= 0x08;
			pci_write_config_byte(pdev, 0x6a, pcixcmd);
		}
		ioc->bus_type = FC;
1873 1874 1875
		break;

	case MPI_MANUFACTPAGE_DEVICEID_FC919X:
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		/* 919X Chip Fix. Set Split transactions level
		 * for PCIX. Set MOST bits to zero.
		 */
		pci_read_config_byte(pdev, 0x6a, &pcixcmd);
		pcixcmd &= 0x8F;
		pci_write_config_byte(pdev, 0x6a, pcixcmd);
1882
		ioc->bus_type = FC;
1883 1884 1885
		break;

	case MPI_MANUFACTPAGE_DEVID_53C1030:
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		/* 1030 Chip Fix. Disable Split transactions
		 * for PCIX. Set MOST bits to zero if Rev < C0( = 8).
		 */
		if (revision < C0_1030) {
			pci_read_config_byte(pdev, 0x6a, &pcixcmd);
			pcixcmd &= 0x8F;
			pci_write_config_byte(pdev, 0x6a, pcixcmd);
		}
1894 1895

	case MPI_MANUFACTPAGE_DEVID_1030_53C1035:
1896
		ioc->bus_type = SPI;
1897 1898 1899 1900
		break;

	case MPI_MANUFACTPAGE_DEVID_SAS1064:
	case MPI_MANUFACTPAGE_DEVID_SAS1068:
1901
		ioc->errata_flag_1064 = 1;
1902 1903 1904 1905

	case MPI_MANUFACTPAGE_DEVID_SAS1064E:
	case MPI_MANUFACTPAGE_DEVID_SAS1068E:
	case MPI_MANUFACTPAGE_DEVID_SAS1078:
1906 1907
		ioc->bus_type = SAS;
	}
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1909

1910 1911 1912 1913 1914 1915 1916 1917 1918 1919 1920 1921 1922 1923 1924 1925 1926 1927
	switch (ioc->bus_type) {

	case SAS:
		ioc->msi_enable = mpt_msi_enable_sas;
		break;

	case SPI:
		ioc->msi_enable = mpt_msi_enable_spi;
		break;

	case FC:
		ioc->msi_enable = mpt_msi_enable_fc;
		break;

	default:
		ioc->msi_enable = 0;
		break;
	}
1928 1929 1930
	if (ioc->errata_flag_1064)
		pci_disable_io_access(pdev);

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	spin_lock_init(&ioc->FreeQlock);

	/* Disable all! */
	CHIPREG_WRITE32(&ioc->chip->IntMask, 0xFFFFFFFF);
	ioc->active = 0;
	CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);

1938 1939 1940
	/* Set IOC ptr in the pcidev's driver data. */
	pci_set_drvdata(ioc->pcidev, ioc);

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	/* Set lookup ptr. */
	list_add_tail(&ioc->list, &ioc_list);

1944
	/* Check for "bound ports" (929, 929X, 1030, 1035) to reduce redundant resets.
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	 */
	mpt_detect_bound_ports(ioc, pdev);

1948 1949
	if ((r = mpt_do_ioc_recovery(ioc, MPT_HOSTEVENT_IOC_BRINGUP,
	    CAN_SLEEP)) != 0){
1950 1951
		printk(MYIOC_s_ERR_FMT "didn't initialize properly! (%d)\n",
		    ioc->name, r);
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		list_del(&ioc->list);
1954 1955
		if (ioc->alt_ioc)
			ioc->alt_ioc->alt_ioc = NULL;
1956 1957 1958
		iounmap(ioc->memmap);
		if (r != -5)
			pci_release_selected_regions(pdev, ioc->bars);
1959 1960 1961 1962

		destroy_workqueue(ioc->reset_work_q);
		ioc->reset_work_q = NULL;

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		kfree(ioc);
		pci_set_drvdata(pdev, NULL);
		return r;
	}

	/* call per device driver probe entry point */
1969
	for(cb_idx = 0; cb_idx < MPT_MAX_PROTOCOL_DRIVERS; cb_idx++) {
1970 1971 1972
		if(MptDeviceDriverHandlers[cb_idx] &&
		  MptDeviceDriverHandlers[cb_idx]->probe) {
			MptDeviceDriverHandlers[cb_idx]->probe(pdev,id);
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		}
	}

#ifdef CONFIG_PROC_FS
	/*
	 *  Create "/proc/mpt/iocN" subdirectory entry for each MPT adapter.
	 */
	dent = proc_mkdir(ioc->name, mpt_proc_root_dir);
	if (dent) {
		ent = create_proc_entry("info", S_IFREG|S_IRUGO, dent);
		if (ent) {
			ent->read_proc = procmpt_iocinfo_read;
			ent->data = ioc;
		}
		ent = create_proc_entry("summary", S_IFREG|S_IRUGO, dent);
		if (ent) {
			ent->read_proc = procmpt_summary_read;
			ent->data = ioc;
		}
	}
#endif

1995 1996 1997 1998
	if (!ioc->alt_ioc)
		queue_delayed_work(ioc->reset_work_q, &ioc->fault_reset_work,
			msecs_to_jiffies(MPT_POLLING_INTERVAL));

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	return 0;
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2003
/**
2004
 *	mpt_detach - Remove a PCI intelligent MPT adapter.
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 *	@pdev: Pointer to pci_dev structure
 */

2008 2009
void
mpt_detach(struct pci_dev *pdev)
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{
	MPT_ADAPTER 	*ioc = pci_get_drvdata(pdev);
	char pname[32];
2013
	u8 cb_idx;
2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026
	unsigned long flags;
	struct workqueue_struct *wq;

	/*
	 * Stop polling ioc for fault condition
	 */
	spin_lock_irqsave(&ioc->fault_reset_work_lock, flags);
	wq = ioc->reset_work_q;
	ioc->reset_work_q = NULL;
	spin_unlock_irqrestore(&ioc->fault_reset_work_lock, flags);
	cancel_delayed_work(&ioc->fault_reset_work);
	destroy_workqueue(wq);

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	sprintf(pname, MPT_PROCFS_MPTBASEDIR "/%s/summary", ioc->name);
	remove_proc_entry(pname, NULL);
	sprintf(pname, MPT_PROCFS_MPTBASEDIR "/%s/info", ioc->name);
	remove_proc_entry(pname, NULL);
	sprintf(pname, MPT_PROCFS_MPTBASEDIR "/%s", ioc->name);
	remove_proc_entry(pname, NULL);
2034

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	/* call per device driver remove entry point */
2036
	for(cb_idx = 0; cb_idx < MPT_MAX_PROTOCOL_DRIVERS; cb_idx++) {
2037 2038 2039
		if(MptDeviceDriverHandlers[cb_idx] &&
		  MptDeviceDriverHandlers[cb_idx]->remove) {
			MptDeviceDriverHandlers[cb_idx]->remove(pdev);
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		}
	}
2042

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	/* Disable interrupts! */
	CHIPREG_WRITE32(&ioc->chip->IntMask, 0xFFFFFFFF);

	ioc->active = 0;
	synchronize_irq(pdev->irq);

	/* Clear any lingering interrupt */
	CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);

	CHIPREG_READ32(&ioc->chip->IntStatus);

	mpt_adapter_dispose(ioc);

	pci_set_drvdata(pdev, NULL);
}

/**************************************************************************
 * Power Management
 */
#ifdef CONFIG_PM
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2064
/**
2065
 *	mpt_suspend - Fusion MPT base driver suspend routine.
2066 2067
 *	@pdev: Pointer to pci_dev structure
 *	@state: new state to enter
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 */
2069 2070
int
mpt_suspend(struct pci_dev *pdev, pm_message_t state)
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{
	u32 device_state;
	MPT_ADAPTER *ioc = pci_get_drvdata(pdev);

2075 2076 2077 2078
	device_state = pci_choose_state(pdev, state);
	printk(MYIOC_s_INFO_FMT "pci-suspend: pdev=0x%p, slot=%s, Entering "
	    "operating state [D%d]\n", ioc->name, pdev, pci_name(pdev),
	    device_state);
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	/* put ioc into READY_STATE */
	if(SendIocReset(ioc, MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET, CAN_SLEEP)) {
		printk(MYIOC_s_ERR_FMT
		"pci-suspend:  IOC msg unit reset failed!\n", ioc->name);
	}

	/* disable interrupts */
	CHIPREG_WRITE32(&ioc->chip->IntMask, 0xFFFFFFFF);
	ioc->active = 0;

	/* Clear any lingering interrupt */
	CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);

2093
	free_irq(ioc->pci_irq, ioc);
2094
	if (ioc->msi_enable)
2095 2096 2097
		pci_disable_msi(ioc->pcidev);
	ioc->pci_irq = -1;
	pci_save_state(pdev);
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	pci_disable_device(pdev);
2099
	pci_release_selected_regions(pdev, ioc->bars);
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	pci_set_power_state(pdev, device_state);
	return 0;
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2105
/**
2106
 *	mpt_resume - Fusion MPT base driver resume routine.
2107
 *	@pdev: Pointer to pci_dev structure
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 */
2109 2110
int
mpt_resume(struct pci_dev *pdev)
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{
	MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
	u32 device_state = pdev->current_state;
	int recovery_state;
2115
	int err;
2116

2117 2118 2119
	printk(MYIOC_s_INFO_FMT "pci-resume: pdev=0x%p, slot=%s, Previous "
	    "operating state [D%d]\n", ioc->name, pdev, pci_name(pdev),
	    device_state);
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2121 2122
	pci_set_power_state(pdev, PCI_D0);
	pci_enable_wake(pdev, PCI_D0, 0);
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	pci_restore_state(pdev);
2124 2125 2126 2127
	ioc->pcidev = pdev;
	err = mpt_mapresources(ioc);
	if (err)
		return err;
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2129 2130 2131 2132 2133 2134 2135 2136 2137 2138 2139 2140 2141 2142 2143
	if (ioc->dma_mask == DMA_BIT_MASK(64)) {
		if (pdev->device == MPI_MANUFACTPAGE_DEVID_SAS1078)
			ioc->add_sge = &mpt_add_sge_64bit_1078;
		else
			ioc->add_sge = &mpt_add_sge_64bit;
		ioc->add_chain = &mpt_add_chain_64bit;
		ioc->sg_addr_size = 8;
	} else {

		ioc->add_sge = &mpt_add_sge;
		ioc->add_chain = &mpt_add_chain;
		ioc->sg_addr_size = 4;
	}
	ioc->SGE_size = sizeof(u32) + ioc->sg_addr_size;

2144 2145 2146
	printk(MYIOC_s_INFO_FMT "pci-resume: ioc-state=0x%x,doorbell=0x%x\n",
	    ioc->name, (mpt_GetIocState(ioc, 1) >> MPI_IOC_STATE_SHIFT),
	    CHIPREG_READ32(&ioc->chip->Doorbell));
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2148 2149 2150 2151 2152 2153 2154 2155 2156 2157 2158 2159 2160 2161 2162 2163
	/*
	 * Errata workaround for SAS pci express:
	 * Upon returning to the D0 state, the contents of the doorbell will be
	 * stale data, and this will incorrectly signal to the host driver that
	 * the firmware is ready to process mpt commands.   The workaround is
	 * to issue a diagnostic reset.
	 */
	if (ioc->bus_type == SAS && (pdev->device ==
	    MPI_MANUFACTPAGE_DEVID_SAS1068E || pdev->device ==
	    MPI_MANUFACTPAGE_DEVID_SAS1064E)) {
		if (KickStart(ioc, 1, CAN_SLEEP) < 0) {
			printk(MYIOC_s_WARN_FMT "pci-resume: Cannot recover\n",
			    ioc->name);
			goto out;
		}
	}
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	/* bring ioc to operational state */
2166 2167 2168 2169 2170 2171 2172
	printk(MYIOC_s_INFO_FMT "Sending mpt_do_ioc_recovery\n", ioc->name);
	recovery_state = mpt_do_ioc_recovery(ioc, MPT_HOSTEVENT_IOC_BRINGUP,
						 CAN_SLEEP);
	if (recovery_state != 0)
		printk(MYIOC_s_WARN_FMT "pci-resume: Cannot recover, "
		    "error:[%x]\n", ioc->name, recovery_state);
	else
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		printk(MYIOC_s_INFO_FMT
2174 2175
		    "pci-resume: success\n", ioc->name);
 out:
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	return 0;
2177

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}
#endif

2181
static int
2182
mpt_signal_reset(u8 index, MPT_ADAPTER *ioc, int reset_phase)
2183 2184 2185 2186 2187 2188 2189 2190 2191 2192 2193 2194 2195
{
	if ((MptDriverClass[index] == MPTSPI_DRIVER &&
	     ioc->bus_type != SPI) ||
	    (MptDriverClass[index] == MPTFC_DRIVER &&
	     ioc->bus_type != FC) ||
	    (MptDriverClass[index] == MPTSAS_DRIVER &&
	     ioc->bus_type != SAS))
		/* make sure we only call the relevant reset handler
		 * for the bus */
		return 0;
	return (MptResetHandlers[index])(ioc, reset_phase);
}

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/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2197
/**
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 *	mpt_do_ioc_recovery - Initialize or recover MPT adapter.
 *	@ioc: Pointer to MPT adapter structure
 *	@reason: Event word / reason
 *	@sleepFlag: Use schedule if CAN_SLEEP else use udelay.
 *
 *	This routine performs all the steps necessary to bring the IOC
 *	to a OPERATIONAL state.
 *
 *	This routine also pre-fetches the LAN MAC address of a Fibre Channel
 *	MPT adapter.
 *
 *	Returns:
 *		 0 for success
 *		-1 if failed to get board READY
 *		-2 if READY but IOCFacts Failed
 *		-3 if READY but PrimeIOCFifos Failed
 *		-4 if READY but IOCInit Failed
2215
 *		-5 if failed to enable_device and/or request_selected_regions
2216
 *		-6 if failed to upload firmware
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 */
static int
mpt_do_ioc_recovery(MPT_ADAPTER *ioc, u32 reason, int sleepFlag)
{
	int	 hard_reset_done = 0;
	int	 alt_ioc_ready = 0;
	int	 hard;
	int	 rc=0;
	int	 ii;
2226
	u8	 cb_idx;
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	int	 handlers;
	int	 ret = 0;
	int	 reset_alt_ioc_active = 0;
2230
	int	 irq_allocated = 0;
2231
	u8	*a;
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2233 2234
	printk(MYIOC_s_INFO_FMT "Initiating %s\n", ioc->name,
	    reason == MPT_HOSTEVENT_IOC_BRINGUP ? "bringup" : "recovery");
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	/* Disable reply interrupts (also blocks FreeQ) */
	CHIPREG_WRITE32(&ioc->chip->IntMask, 0xFFFFFFFF);
	ioc->active = 0;

	if (ioc->alt_ioc) {
		if (ioc->alt_ioc->active)
			reset_alt_ioc_active = 1;

		/* Disable alt-IOC's reply interrupts (and FreeQ) for a bit ... */
		CHIPREG_WRITE32(&ioc->alt_ioc->chip->IntMask, 0xFFFFFFFF);
		ioc->alt_ioc->active = 0;
	}

	hard = 1;
	if (reason == MPT_HOSTEVENT_IOC_BRINGUP)
		hard = 0;

	if ((hard_reset_done = MakeIocReady(ioc, hard, sleepFlag)) < 0) {
		if (hard_reset_done == -4) {
2255 2256
			printk(MYIOC_s_WARN_FMT "Owned by PEER..skipping!\n",
			    ioc->name);
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			if (reset_alt_ioc_active && ioc->alt_ioc) {
				/* (re)Enable alt-IOC! (reply interrupt, FreeQ) */
2260 2261
				dprintk(ioc, printk(MYIOC_s_INFO_FMT
				    "alt_ioc reply irq re-enabled\n", ioc->alt_ioc->name));
2262
				CHIPREG_WRITE32(&ioc->alt_ioc->chip->IntMask, MPI_HIM_DIM);
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				ioc->alt_ioc->active = 1;
			}

		} else {
2267
			printk(MYIOC_s_WARN_FMT "NOT READY!\n", ioc->name);
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		}
		return -1;
	}

	/* hard_reset_done = 0 if a soft reset was performed
	 * and 1 if a hard reset was performed.
	 */
	if (hard_reset_done && reset_alt_ioc_active && ioc->alt_ioc) {
		if ((rc = MakeIocReady(ioc->alt_ioc, 0, sleepFlag)) == 0)
			alt_ioc_ready = 1;
		else
2279
			printk(MYIOC_s_WARN_FMT "alt_ioc not ready!\n", ioc->alt_ioc->name);
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	}

	for (ii=0; ii<5; ii++) {
		/* Get IOC facts! Allow 5 retries */
		if ((rc = GetIocFacts(ioc, sleepFlag, reason)) == 0)
			break;
	}
2287

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	if (ii == 5) {
2290 2291
		dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT
		    "Retry IocFacts failed rc=%x\n", ioc->name, rc));
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		ret = -2;
	} else if (reason == MPT_HOSTEVENT_IOC_BRINGUP) {
		MptDisplayIocCapabilities(ioc);
	}
2296

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	if (alt_ioc_ready) {
		if ((rc = GetIocFacts(ioc->alt_ioc, sleepFlag, reason)) != 0) {
2299
			dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2300
			    "Initial Alt IocFacts failed rc=%x\n", ioc->name, rc));
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			/* Retry - alt IOC was initialized once
			 */
			rc = GetIocFacts(ioc->alt_ioc, sleepFlag, reason);
		}
		if (rc) {
2306
			dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2307
			    "Retry Alt IocFacts failed rc=%x\n", ioc->name, rc));
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			alt_ioc_ready = 0;
			reset_alt_ioc_active = 0;
		} else if (reason == MPT_HOSTEVENT_IOC_BRINGUP) {
			MptDisplayIocCapabilities(ioc->alt_ioc);
		}
	}

2315 2316 2317 2318 2319 2320 2321 2322 2323 2324 2325 2326
	if ((ret == 0) && (reason == MPT_HOSTEVENT_IOC_BRINGUP) &&
	    (ioc->facts.Flags & MPI_IOCFACTS_FLAGS_FW_DOWNLOAD_BOOT)) {
		pci_release_selected_regions(ioc->pcidev, ioc->bars);
		ioc->bars = pci_select_bars(ioc->pcidev, IORESOURCE_MEM |
		    IORESOURCE_IO);
		if (pci_enable_device(ioc->pcidev))
			return -5;
		if (pci_request_selected_regions(ioc->pcidev, ioc->bars,
			"mpt"))
			return -5;
	}

2327 2328 2329 2330 2331 2332 2333 2334
	/*
	 * Device is reset now. It must have de-asserted the interrupt line
	 * (if it was asserted) and it should be safe to register for the
	 * interrupt now.
	 */
	if ((ret == 0) && (reason == MPT_HOSTEVENT_IOC_BRINGUP)) {
		ioc->pci_irq = -1;
		if (ioc->pcidev->irq) {
2335
			if (ioc->msi_enable && !pci_enable_msi(ioc->pcidev))
2336
				printk(MYIOC_s_INFO_FMT "PCI-MSI enabled\n",
2337
				    ioc->name);
2338 2339
			else
				ioc->msi_enable = 0;
2340
			rc = request_irq(ioc->pcidev->irq, mpt_interrupt,
2341
			    IRQF_SHARED, ioc->name, ioc);
2342 2343
			if (rc < 0) {
				printk(MYIOC_s_ERR_FMT "Unable to allocate "
2344
				    "interrupt %d!\n", ioc->name, ioc->pcidev->irq);
2345
				if (ioc->msi_enable)
2346 2347 2348 2349 2350 2351
					pci_disable_msi(ioc->pcidev);
				return -EBUSY;
			}
			irq_allocated = 1;
			ioc->pci_irq = ioc->pcidev->irq;
			pci_set_master(ioc->pcidev);		/* ?? */
2352 2353
			dprintk(ioc, printk(MYIOC_s_INFO_FMT "installed at interrupt "
			    "%d\n", ioc->name, ioc->pcidev->irq));
2354 2355 2356
		}
	}

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	/* Prime reply & request queues!
	 * (mucho alloc's) Must be done prior to
	 * init as upper addresses are needed for init.
	 * If fails, continue with alt-ioc processing
	 */
	if ((ret == 0) && ((rc = PrimeIocFifos(ioc)) != 0))
		ret = -3;

	/* May need to check/upload firmware & data here!
	 * If fails, continue with alt-ioc processing
	 */
	if ((ret == 0) && ((rc = SendIocInit(ioc, sleepFlag)) != 0))
		ret = -4;
// NEW!
	if (alt_ioc_ready && ((rc = PrimeIocFifos(ioc->alt_ioc)) != 0)) {
2372 2373
		printk(MYIOC_s_WARN_FMT ": alt_ioc (%d) FIFO mgmt alloc!\n",
		    ioc->alt_ioc->name, rc);
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		alt_ioc_ready = 0;
		reset_alt_ioc_active = 0;
	}

	if (alt_ioc_ready) {
		if ((rc = SendIocInit(ioc->alt_ioc, sleepFlag)) != 0) {
			alt_ioc_ready = 0;
			reset_alt_ioc_active = 0;
2382 2383
			printk(MYIOC_s_WARN_FMT "alt_ioc (%d) init failure!\n",
			    ioc->alt_ioc->name, rc);
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		}
	}

	if (reason == MPT_HOSTEVENT_IOC_BRINGUP){
		if (ioc->upload_fw) {
2389
			ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2390
			    "firmware upload required!\n", ioc->name));
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			/* Controller is not operational, cannot do upload
			 */
			if (ret == 0) {
				rc = mpt_do_upload(ioc, sleepFlag);
2396 2397 2398 2399 2400 2401 2402 2403 2404
				if (rc == 0) {
					if (ioc->alt_ioc && ioc->alt_ioc->cached_fw) {
						/*
						 * Maintain only one pointer to FW memory
						 * so there will not be two attempt to
						 * downloadboot onboard dual function
						 * chips (mpt_adapter_disable,
						 * mpt_diag_reset)
						 */
2405
						ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2406 2407
						    "mpt_upload:  alt_%s has cached_fw=%p \n",
						    ioc->name, ioc->alt_ioc->name, ioc->alt_ioc->cached_fw));
2408
						ioc->cached_fw = NULL;
2409 2410
					}
				} else {
2411 2412
					printk(MYIOC_s_WARN_FMT
					    "firmware upload failure!\n", ioc->name);
2413
					ret = -6;
2414
				}
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			}
		}
	}

	if (ret == 0) {
		/* Enable! (reply interrupt) */
2421
		CHIPREG_WRITE32(&ioc->chip->IntMask, MPI_HIM_DIM);
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		ioc->active = 1;
	}

	if (reset_alt_ioc_active && ioc->alt_ioc) {
		/* (re)Enable alt-IOC! (reply interrupt) */
2427 2428
		dinitprintk(ioc, printk(MYIOC_s_INFO_FMT "alt_ioc reply irq re-enabled\n",
		    ioc->alt_ioc->name));
2429
		CHIPREG_WRITE32(&ioc->alt_ioc->chip->IntMask, MPI_HIM_DIM);
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		ioc->alt_ioc->active = 1;
	}

2433
	/*  Enable MPT base driver management of EventNotification
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	 *  and EventAck handling.
	 */
	if ((ret == 0) && (!ioc->facts.EventState))
		(void) SendEventNotification(ioc, 1);	/* 1=Enable EventNotification */

	if (ioc->alt_ioc && alt_ioc_ready && !ioc->alt_ioc->facts.EventState)
		(void) SendEventNotification(ioc->alt_ioc, 1);	/* 1=Enable EventNotification */

2442
	/*	Add additional "reason" check before call to GetLanConfigPages
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	 *	(combined with GetIoUnitPage2 call).  This prevents a somewhat
	 *	recursive scenario; GetLanConfigPages times out, timer expired
	 *	routine calls HardResetHandler, which calls into here again,
	 *	and we try GetLanConfigPages again...
	 */
	if ((ret == 0) && (reason == MPT_HOSTEVENT_IOC_BRINGUP)) {
2449 2450 2451 2452

		/*
		 * Initalize link list for inactive raid volumes.
		 */
2453
		mutex_init(&ioc->raid_data.inactive_list_mutex);
2454 2455
		INIT_LIST_HEAD(&ioc->raid_data.inactive_list);

2456 2457 2458 2459 2460 2461 2462 2463
		if (ioc->bus_type == SAS) {

			/* clear persistency table */
			if(ioc->facts.IOCExceptions &
			    MPI_IOCFACTS_EXCEPT_PERSISTENT_TABLE_FULL) {
				ret = mptbase_sas_persist_operation(ioc,
				    MPI_SAS_OP_CLEAR_NOT_PRESENT);
				if(ret != 0)
2464
					goto out;
2465 2466 2467 2468 2469 2470 2471
			}

			/* Find IM volumes
			 */
			mpt_findImVolumes(ioc);

		} else if (ioc->bus_type == FC) {
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			if ((ioc->pfacts[0].ProtocolFlags & MPI_PORTFACTS_PROTOCOL_LAN) &&
			    (ioc->lan_cnfg_page0.Header.PageLength == 0)) {
				/*
				 *  Pre-fetch the ports LAN MAC address!
				 *  (LANPage1_t stuff)
				 */
				(void) GetLanConfigPages(ioc);
2479 2480
				a = (u8*)&ioc->lan_cnfg_page1.HardwareAddressLow;
				dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2481 2482
				    "LanAddr = %02X:%02X:%02X:%02X:%02X:%02X\n",
				    ioc->name, a[5], a[4], a[3], a[2], a[1], a[0]));
2483

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			}
		} else {
			/* Get NVRAM and adapter maximums from SPP 0 and 2
			 */
			mpt_GetScsiPortSettings(ioc, 0);

			/* Get version and length of SDP 1
			 */
			mpt_readScsiDevicePageHeaders(ioc, 0);

			/* Find IM volumes
			 */
2496
			if (ioc->facts.MsgVersion >= MPI_VERSION_01_02)
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				mpt_findImVolumes(ioc);

			/* Check, and possibly reset, the coalescing value
			 */
			mpt_read_ioc_pg_1(ioc);

			mpt_read_ioc_pg_4(ioc);
		}

		GetIoUnitPage2(ioc);
2507
		mpt_get_manufacturing_pg_0(ioc);
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	}

	/*
	 * Call each currently registered protocol IOC reset handler
	 * with post-reset indication.
	 * NOTE: If we're doing _IOC_BRINGUP, there can be no
	 * MptResetHandlers[] registered yet.
	 */
	if (hard_reset_done) {
		rc = handlers = 0;
2518 2519
		for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) {
			if ((ret == 0) && MptResetHandlers[cb_idx]) {
2520
				dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2521 2522
				    "Calling IOC post_reset handler #%d\n",
				    ioc->name, cb_idx));
2523
				rc += mpt_signal_reset(cb_idx, ioc, MPT_IOC_POST_RESET);
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				handlers++;
			}

2527
			if (alt_ioc_ready && MptResetHandlers[cb_idx]) {
2528
				drsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2529 2530
				    "Calling IOC post_reset handler #%d\n",
				    ioc->alt_ioc->name, cb_idx));
2531
				rc += mpt_signal_reset(cb_idx, ioc->alt_ioc, MPT_IOC_POST_RESET);
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				handlers++;
			}
		}
		/* FIXME?  Examine results here? */
	}

2538
 out:
2539 2540
	if ((ret != 0) && irq_allocated) {
		free_irq(ioc->pci_irq, ioc);
2541
		if (ioc->msi_enable)
2542 2543
			pci_disable_msi(ioc->pcidev);
	}
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	return ret;
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2548 2549
/**
 *	mpt_detect_bound_ports - Search for matching PCI bus/dev_function
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 *	@ioc: Pointer to MPT adapter structure
 *	@pdev: Pointer to (struct pci_dev) structure
 *
2553 2554 2555 2556
 *	Search for PCI bus/dev_function which matches
 *	PCI bus/dev_function (+/-1) for newly discovered 929,
 *	929X, 1030 or 1035.
 *
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 *	If match on PCI dev_function +/-1 is found, bind the two MPT adapters
 *	using alt_ioc pointer fields in their %MPT_ADAPTER structures.
 */
static void
mpt_detect_bound_ports(MPT_ADAPTER *ioc, struct pci_dev *pdev)
{
2563 2564 2565
	struct pci_dev *peer=NULL;
	unsigned int slot = PCI_SLOT(pdev->devfn);
	unsigned int func = PCI_FUNC(pdev->devfn);
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	MPT_ADAPTER *ioc_srch;

2568
	dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "PCI device %s devfn=%x/%x,"
2569
	    " searching for devfn match on %x or %x\n",
2570 2571
	    ioc->name, pci_name(pdev), pdev->bus->number,
	    pdev->devfn, func-1, func+1));
2572 2573 2574 2575 2576 2577 2578

	peer = pci_get_slot(pdev->bus, PCI_DEVFN(slot,func-1));
	if (!peer) {
		peer = pci_get_slot(pdev->bus, PCI_DEVFN(slot,func+1));
		if (!peer)
			return;
	}
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	list_for_each_entry(ioc_srch, &ioc_list, list) {
		struct pci_dev *_pcidev = ioc_srch->pcidev;
2582
		if (_pcidev == peer) {
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			/* Paranoia checks */
			if (ioc->alt_ioc != NULL) {
2585
				printk(MYIOC_s_WARN_FMT "Oops, already bound to %s!\n",
2586
					ioc->name, ioc->alt_ioc->name);
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				break;
			} else if (ioc_srch->alt_ioc != NULL) {
2589
				printk(MYIOC_s_WARN_FMT "Oops, already bound to %s!\n",
2590
					ioc_srch->name, ioc_srch->alt_ioc->name);
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2591 2592
				break;
			}
2593
			dprintk(ioc, printk(MYIOC_s_INFO_FMT "FOUND! binding to %s\n",
2594
				ioc->name, ioc_srch->name));
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2595 2596 2597 2598
			ioc_srch->alt_ioc = ioc;
			ioc->alt_ioc = ioc_srch;
		}
	}
2599
	pci_dev_put(peer);
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}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2603
/**
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 *	mpt_adapter_disable - Disable misbehaving MPT adapter.
2605
 *	@ioc: Pointer to MPT adapter structure
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 */
static void
mpt_adapter_disable(MPT_ADAPTER *ioc)
{
	int sz;
	int ret;

	if (ioc->cached_fw != NULL) {
2614
		ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: Pushing FW onto "
2615
		    "adapter\n", __func__, ioc->name));
2616 2617 2618 2619
		if ((ret = mpt_downloadboot(ioc, (MpiFwHeader_t *)
		    ioc->cached_fw, CAN_SLEEP)) < 0) {
			printk(MYIOC_s_WARN_FMT
			    ": firmware downloadboot failure (%d)!\n",
2620
			    ioc->name, ret);
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		}
	}

	/* Disable adapter interrupts! */
	CHIPREG_WRITE32(&ioc->chip->IntMask, 0xFFFFFFFF);
	ioc->active = 0;
	/* Clear any lingering interrupt */
	CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);

	if (ioc->alloc != NULL) {
		sz = ioc->alloc_sz;
2632 2633
		dexitprintk(ioc, printk(MYIOC_s_INFO_FMT "free  @ %p, sz=%d bytes\n",
		    ioc->name, ioc->alloc, ioc->alloc_sz));
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		pci_free_consistent(ioc->pcidev, sz,
				ioc->alloc, ioc->alloc_dma);
		ioc->reply_frames = NULL;
		ioc->req_frames = NULL;
		ioc->alloc = NULL;
		ioc->alloc_total -= sz;
	}

	if (ioc->sense_buf_pool != NULL) {
		sz = (ioc->req_depth * MPT_SENSE_BUFFER_ALLOC);
		pci_free_consistent(ioc->pcidev, sz,
				ioc->sense_buf_pool, ioc->sense_buf_pool_dma);
		ioc->sense_buf_pool = NULL;
		ioc->alloc_total -= sz;
	}

	if (ioc->events != NULL){
		sz = MPTCTL_EVENT_LOG_SIZE * sizeof(MPT_IOCTL_EVENTS);
		kfree(ioc->events);
		ioc->events = NULL;
		ioc->alloc_total -= sz;
	}

2657
	mpt_free_fw_memory(ioc);
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	kfree(ioc->spi_data.nvram);
2660 2661
	mpt_inactive_raid_list_free(ioc);
	kfree(ioc->raid_data.pIocPg2);
2662
	kfree(ioc->raid_data.pIocPg3);
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	ioc->spi_data.nvram = NULL;
2664
	ioc->raid_data.pIocPg3 = NULL;
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	if (ioc->spi_data.pIocPg4 != NULL) {
		sz = ioc->spi_data.IocPg4Sz;
2668
		pci_free_consistent(ioc->pcidev, sz,
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			ioc->spi_data.pIocPg4,
			ioc->spi_data.IocPg4_dma);
		ioc->spi_data.pIocPg4 = NULL;
		ioc->alloc_total -= sz;
	}

	if (ioc->ReqToChain != NULL) {
		kfree(ioc->ReqToChain);
		kfree(ioc->RequestNB);
		ioc->ReqToChain = NULL;
	}

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	kfree(ioc->ChainToChain);
	ioc->ChainToChain = NULL;
2683 2684 2685 2686

	if (ioc->HostPageBuffer != NULL) {
		if((ret = mpt_host_page_access_control(ioc,
		    MPI_DB_HPBAC_FREE_BUFFER, NO_SLEEP)) != 0) {
2687 2688 2689
			printk(MYIOC_s_ERR_FMT
			   "host page buffers free failed (%d)!\n",
			    ioc->name, ret);
2690
		}
2691
		dexitprintk(ioc, printk(MYIOC_s_INFO_FMT "HostPageBuffer free  @ %p, sz=%d bytes\n",
2692 2693
		 	ioc->name, ioc->HostPageBuffer, ioc->HostPageBuffer_sz));
		pci_free_consistent(ioc->pcidev, ioc->HostPageBuffer_sz,
2694
		    ioc->HostPageBuffer, ioc->HostPageBuffer_dma);
2695 2696 2697 2698
		ioc->HostPageBuffer = NULL;
		ioc->HostPageBuffer_sz = 0;
		ioc->alloc_total -= ioc->HostPageBuffer_sz;
	}
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}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2702 2703
/**
 *	mpt_adapter_dispose - Free all resources associated with an MPT adapter
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 *	@ioc: Pointer to MPT adapter structure
 *
 *	This routine unregisters h/w resources and frees all alloc'd memory
 *	associated with a MPT adapter structure.
 */
static void
mpt_adapter_dispose(MPT_ADAPTER *ioc)
{
2712
	int sz_first, sz_last;
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2714 2715
	if (ioc == NULL)
		return;
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2717
	sz_first = ioc->alloc_total;
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2719
	mpt_adapter_disable(ioc);
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2721 2722
	if (ioc->pci_irq != -1) {
		free_irq(ioc->pci_irq, ioc);
2723
		if (ioc->msi_enable)
2724
			pci_disable_msi(ioc->pcidev);
2725 2726 2727 2728 2729 2730 2731
		ioc->pci_irq = -1;
	}

	if (ioc->memmap != NULL) {
		iounmap(ioc->memmap);
		ioc->memmap = NULL;
	}
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2733 2734 2735
	pci_disable_device(ioc->pcidev);
	pci_release_selected_regions(ioc->pcidev, ioc->bars);

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#if defined(CONFIG_MTRR) && 0
2737 2738
	if (ioc->mtrr_reg > 0) {
		mtrr_del(ioc->mtrr_reg, 0, 0);
2739
		dprintk(ioc, printk(MYIOC_s_INFO_FMT "MTRR region de-registered\n", ioc->name));
2740
	}
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#endif

2743 2744
	/*  Zap the adapter lookup ptr!  */
	list_del(&ioc->list);
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2745

2746
	sz_last = ioc->alloc_total;
2747 2748
	dprintk(ioc, printk(MYIOC_s_INFO_FMT "free'd %d of %d bytes\n",
	    ioc->name, sz_first-sz_last+(int)sizeof(*ioc), sz_first));
2749 2750 2751 2752

	if (ioc->alt_ioc)
		ioc->alt_ioc->alt_ioc = NULL;

2753
	kfree(ioc);
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}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2757 2758
/**
 *	MptDisplayIocCapabilities - Disply IOC's capabilities.
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 *	@ioc: Pointer to MPT adapter structure
 */
static void
MptDisplayIocCapabilities(MPT_ADAPTER *ioc)
{
	int i = 0;

	printk(KERN_INFO "%s: ", ioc->name);
2767 2768
	if (ioc->prod_name)
		printk("%s: ", ioc->prod_name);
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	printk("Capabilities={");

	if (ioc->pfacts[0].ProtocolFlags & MPI_PORTFACTS_PROTOCOL_INITIATOR) {
		printk("Initiator");
		i++;
	}

	if (ioc->pfacts[0].ProtocolFlags & MPI_PORTFACTS_PROTOCOL_TARGET) {
		printk("%sTarget", i ? "," : "");
		i++;
	}

	if (ioc->pfacts[0].ProtocolFlags & MPI_PORTFACTS_PROTOCOL_LAN) {
		printk("%sLAN", i ? "," : "");
		i++;
	}

#if 0
	/*
	 *  This would probably evoke more questions than it's worth
	 */
	if (ioc->pfacts[0].ProtocolFlags & MPI_PORTFACTS_PROTOCOL_TARGET) {
		printk("%sLogBusAddr", i ? "," : "");
		i++;
	}
#endif

	printk("}\n");
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2800
/**
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 *	MakeIocReady - Get IOC to a READY state, using KickStart if needed.
 *	@ioc: Pointer to MPT_ADAPTER structure
 *	@force: Force hard KickStart of IOC
 *	@sleepFlag: Specifies whether the process can sleep
 *
 *	Returns:
 *		 1 - DIAG reset and READY
 *		 0 - READY initially OR soft reset and READY
 *		-1 - Any failure on KickStart
 *		-2 - Msg Unit Reset Failed
 *		-3 - IO Unit Reset Failed
 *		-4 - IOC owned by a PEER
 */
static int
MakeIocReady(MPT_ADAPTER *ioc, int force, int sleepFlag)
{
	u32	 ioc_state;
	int	 statefault = 0;
	int	 cntdn;
	int	 hard_reset_done = 0;
	int	 r;
	int	 ii;
	int	 whoinit;

	/* Get current [raw] IOC state  */
	ioc_state = mpt_GetIocState(ioc, 0);
2827
	dhsprintk(ioc, printk(MYIOC_s_INFO_FMT "MakeIocReady [raw] state=%08x\n", ioc->name, ioc_state));
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	/*
	 *	Check to see if IOC got left/stuck in doorbell handshake
	 *	grip of death.  If so, hard reset the IOC.
	 */
	if (ioc_state & MPI_DOORBELL_ACTIVE) {
		statefault = 1;
		printk(MYIOC_s_WARN_FMT "Unexpected doorbell active!\n",
				ioc->name);
	}

	/* Is it already READY? */
2840
	if (!statefault && (ioc_state & MPI_IOC_STATE_MASK) == MPI_IOC_STATE_READY)
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		return 0;

	/*
	 *	Check to see if IOC is in FAULT state.
	 */
	if ((ioc_state & MPI_IOC_STATE_MASK) == MPI_IOC_STATE_FAULT) {
		statefault = 2;
		printk(MYIOC_s_WARN_FMT "IOC is in FAULT state!!!\n",
2849 2850 2851
		    ioc->name);
		printk(MYIOC_s_WARN_FMT "           FAULT code = %04xh\n",
		    ioc->name, ioc_state & MPI_DOORBELL_DATA_MASK);
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	}

	/*
	 *	Hmmm...  Did it get left operational?
	 */
	if ((ioc_state & MPI_IOC_STATE_MASK) == MPI_IOC_STATE_OPERATIONAL) {
2858
		dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "IOC operational unexpected\n",
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				ioc->name));

		/* Check WhoInit.
		 * If PCI Peer, exit.
		 * Else, if no fault conditions are present, issue a MessageUnitReset
		 * Else, fall through to KickStart case
		 */
		whoinit = (ioc_state & MPI_DOORBELL_WHO_INIT_MASK) >> MPI_DOORBELL_WHO_INIT_SHIFT;
2867 2868 2869
		dinitprintk(ioc, printk(MYIOC_s_INFO_FMT
			"whoinit 0x%x statefault %d force %d\n",
			ioc->name, whoinit, statefault, force));
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		if (whoinit == MPI_WHOINIT_PCI_PEER)
			return -4;
		else {
			if ((statefault == 0 ) && (force == 0)) {
				if ((r = SendIocReset(ioc, MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET, sleepFlag)) == 0)
					return 0;
			}
			statefault = 3;
		}
	}

	hard_reset_done = KickStart(ioc, statefault||force, sleepFlag);
	if (hard_reset_done < 0)
		return -1;

	/*
	 *  Loop here waiting for IOC to come READY.
	 */
	ii = 0;
2889
	cntdn = ((sleepFlag == CAN_SLEEP) ? HZ : 1000) * 5;	/* 5 seconds */
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	while ((ioc_state = mpt_GetIocState(ioc, 1)) != MPI_IOC_STATE_READY) {
		if (ioc_state == MPI_IOC_STATE_OPERATIONAL) {
			/*
			 *  BIOS or previous driver load left IOC in OP state.
			 *  Reset messaging FIFOs.
			 */
			if ((r = SendIocReset(ioc, MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET, sleepFlag)) != 0) {
				printk(MYIOC_s_ERR_FMT "IOC msg unit reset failed!\n", ioc->name);
				return -2;
			}
		} else if (ioc_state == MPI_IOC_STATE_RESET) {
			/*
			 *  Something is wrong.  Try to get IOC back
			 *  to a known state.
			 */
			if ((r = SendIocReset(ioc, MPI_FUNCTION_IO_UNIT_RESET, sleepFlag)) != 0) {
				printk(MYIOC_s_ERR_FMT "IO unit reset failed!\n", ioc->name);
				return -3;
			}
		}

		ii++; cntdn--;
		if (!cntdn) {
			printk(MYIOC_s_ERR_FMT "Wait IOC_READY state timeout(%d)!\n",
					ioc->name, (int)((ii+5)/HZ));
			return -ETIME;
		}

		if (sleepFlag == CAN_SLEEP) {
2920
			msleep(1);
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2921 2922 2923 2924 2925 2926 2927 2928 2929 2930 2931 2932 2933 2934 2935 2936
		} else {
			mdelay (1);	/* 1 msec delay */
		}

	}

	if (statefault < 3) {
		printk(MYIOC_s_INFO_FMT "Recovered from %s\n",
				ioc->name,
				statefault==1 ? "stuck handshake" : "IOC FAULT");
	}

	return hard_reset_done;
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2937
/**
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2938 2939 2940 2941 2942 2943 2944 2945 2946 2947 2948 2949 2950 2951 2952 2953 2954 2955 2956 2957 2958 2959 2960
 *	mpt_GetIocState - Get the current state of a MPT adapter.
 *	@ioc: Pointer to MPT_ADAPTER structure
 *	@cooked: Request raw or cooked IOC state
 *
 *	Returns all IOC Doorbell register bits if cooked==0, else just the
 *	Doorbell bits in MPI_IOC_STATE_MASK.
 */
u32
mpt_GetIocState(MPT_ADAPTER *ioc, int cooked)
{
	u32 s, sc;

	/*  Get!  */
	s = CHIPREG_READ32(&ioc->chip->Doorbell);
	sc = s & MPI_IOC_STATE_MASK;

	/*  Save!  */
	ioc->last_state = sc;

	return cooked ? sc : s;
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2961
/**
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2962 2963 2964 2965 2966 2967 2968 2969 2970 2971 2972 2973 2974 2975 2976 2977 2978 2979 2980 2981 2982
 *	GetIocFacts - Send IOCFacts request to MPT adapter.
 *	@ioc: Pointer to MPT_ADAPTER structure
 *	@sleepFlag: Specifies whether the process can sleep
 *	@reason: If recovery, only update facts.
 *
 *	Returns 0 for success, non-zero for failure.
 */
static int
GetIocFacts(MPT_ADAPTER *ioc, int sleepFlag, int reason)
{
	IOCFacts_t		 get_facts;
	IOCFactsReply_t		*facts;
	int			 r;
	int			 req_sz;
	int			 reply_sz;
	int			 sz;
	u32			 status, vv;
	u8			 shiftFactor=1;

	/* IOC *must* NOT be in RESET state! */
	if (ioc->last_state == MPI_IOC_STATE_RESET) {
2983 2984
		printk(MYIOC_s_ERR_FMT "Can't get IOCFacts NOT READY! (%08x)\n",
		    ioc->name, ioc->last_state );
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		return -44;
	}

	facts = &ioc->facts;

	/* Destination (reply area)... */
	reply_sz = sizeof(*facts);
	memset(facts, 0, reply_sz);

	/* Request area (get_facts on the stack right now!) */
	req_sz = sizeof(get_facts);
	memset(&get_facts, 0, req_sz);

	get_facts.Function = MPI_FUNCTION_IOC_FACTS;
	/* Assert: All other get_facts fields are zero! */

3001
	dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3002
	    "Sending get IocFacts request req_sz=%d reply_sz=%d\n",
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	    ioc->name, req_sz, reply_sz));

	/* No non-zero fields in the get_facts request are greater than
	 * 1 byte in size, so we can just fire it off as is.
	 */
	r = mpt_handshake_req_reply_wait(ioc, req_sz, (u32*)&get_facts,
			reply_sz, (u16*)facts, 5 /*seconds*/, sleepFlag);
	if (r != 0)
		return r;

	/*
	 * Now byte swap (GRRR) the necessary fields before any further
	 * inspection of reply contents.
	 *
	 * But need to do some sanity checks on MsgLength (byte) field
	 * to make sure we don't zero IOC's req_sz!
	 */
	/* Did we get a valid reply? */
	if (facts->MsgLength > offsetof(IOCFactsReply_t, RequestFrameSize)/sizeof(u32)) {
		if (reason == MPT_HOSTEVENT_IOC_BRINGUP) {
			/*
			 * If not been here, done that, save off first WhoInit value
			 */
			if (ioc->FirstWhoInit == WHOINIT_UNKNOWN)
				ioc->FirstWhoInit = facts->WhoInit;
		}

		facts->MsgVersion = le16_to_cpu(facts->MsgVersion);
		facts->MsgContext = le32_to_cpu(facts->MsgContext);
		facts->IOCExceptions = le16_to_cpu(facts->IOCExceptions);
		facts->IOCStatus = le16_to_cpu(facts->IOCStatus);
		facts->IOCLogInfo = le32_to_cpu(facts->IOCLogInfo);
3035
		status = le16_to_cpu(facts->IOCStatus) & MPI_IOCSTATUS_MASK;
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		/* CHECKME! IOCStatus, IOCLogInfo */

		facts->ReplyQueueDepth = le16_to_cpu(facts->ReplyQueueDepth);
		facts->RequestFrameSize = le16_to_cpu(facts->RequestFrameSize);

		/*
		 * FC f/w version changed between 1.1 and 1.2
		 *	Old: u16{Major(4),Minor(4),SubMinor(8)}
		 *	New: u32{Major(8),Minor(8),Unit(8),Dev(8)}
		 */
		if (facts->MsgVersion < 0x0102) {
			/*
			 *	Handle old FC f/w style, convert to new...
			 */
			u16	 oldv = le16_to_cpu(facts->Reserved_0101_FWVersion);
			facts->FWVersion.Word =
					((oldv<<12) & 0xFF000000) |
					((oldv<<8)  & 0x000FFF00);
		} else
			facts->FWVersion.Word = le32_to_cpu(facts->FWVersion.Word);

		facts->ProductID = le16_to_cpu(facts->ProductID);
3058 3059 3060
		if ((ioc->facts.ProductID & MPI_FW_HEADER_PID_PROD_MASK)
		    > MPI_FW_HEADER_PID_PROD_TARGET_SCSI)
			ioc->ir_firmware = 1;
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		facts->CurrentHostMfaHighAddr =
				le32_to_cpu(facts->CurrentHostMfaHighAddr);
		facts->GlobalCredits = le16_to_cpu(facts->GlobalCredits);
		facts->CurrentSenseBufferHighAddr =
				le32_to_cpu(facts->CurrentSenseBufferHighAddr);
		facts->CurReplyFrameSize =
				le16_to_cpu(facts->CurReplyFrameSize);
3068
		facts->IOCCapabilities = le32_to_cpu(facts->IOCCapabilities);
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		/*
		 * Handle NEW (!) IOCFactsReply fields in MPI-1.01.xx
		 * Older MPI-1.00.xx struct had 13 dwords, and enlarged
		 * to 14 in MPI-1.01.0x.
		 */
		if (facts->MsgLength >= (offsetof(IOCFactsReply_t,FWImageSize) + 7)/4 &&
		    facts->MsgVersion > 0x0100) {
			facts->FWImageSize = le32_to_cpu(facts->FWImageSize);
		}

		sz = facts->FWImageSize;
		if ( sz & 0x01 )
			sz += 1;
		if ( sz & 0x02 )
			sz += 2;
		facts->FWImageSize = sz;
3086

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		if (!facts->RequestFrameSize) {
			/*  Something is wrong!  */
			printk(MYIOC_s_ERR_FMT "IOC reported invalid 0 request size!\n",
					ioc->name);
			return -55;
		}

3094
		r = sz = facts->BlockSize;
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		vv = ((63 / (sz * 4)) + 1) & 0x03;
		ioc->NB_for_64_byte_frame = vv;
		while ( sz )
		{
			shiftFactor++;
			sz = sz >> 1;
		}
		ioc->NBShiftFactor  = shiftFactor;
3103
		dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3104 3105
		    "NB_for_64_byte_frame=%x NBShiftFactor=%x BlockSize=%x\n",
		    ioc->name, vv, shiftFactor, r));
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		if (reason == MPT_HOSTEVENT_IOC_BRINGUP) {
			/*
			 * Set values for this IOC's request & reply frame sizes,
			 * and request & reply queue depths...
			 */
			ioc->req_sz = min(MPT_DEFAULT_FRAME_SIZE, facts->RequestFrameSize * 4);
			ioc->req_depth = min_t(int, MPT_MAX_REQ_DEPTH, facts->GlobalCredits);
			ioc->reply_sz = MPT_REPLY_FRAME_SIZE;
			ioc->reply_depth = min_t(int, MPT_DEFAULT_REPLY_DEPTH, facts->ReplyQueueDepth);

3117
			dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "reply_sz=%3d, reply_depth=%4d\n",
L
Linus Torvalds 已提交
3118
				ioc->name, ioc->reply_sz, ioc->reply_depth));
3119
			dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "req_sz  =%3d, req_depth  =%4d\n",
L
Linus Torvalds 已提交
3120 3121 3122 3123 3124 3125 3126
				ioc->name, ioc->req_sz, ioc->req_depth));

			/* Get port facts! */
			if ( (r = GetPortFacts(ioc, 0, sleepFlag)) != 0 )
				return r;
		}
	} else {
3127
		printk(MYIOC_s_ERR_FMT
L
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3128 3129 3130 3131 3132 3133 3134 3135 3136 3137
		     "Invalid IOC facts reply, msgLength=%d offsetof=%zd!\n",
		     ioc->name, facts->MsgLength, (offsetof(IOCFactsReply_t,
		     RequestFrameSize)/sizeof(u32)));
		return -66;
	}

	return 0;
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3138
/**
L
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3139 3140 3141 3142 3143 3144 3145 3146 3147 3148 3149 3150 3151 3152 3153
 *	GetPortFacts - Send PortFacts request to MPT adapter.
 *	@ioc: Pointer to MPT_ADAPTER structure
 *	@portnum: Port number
 *	@sleepFlag: Specifies whether the process can sleep
 *
 *	Returns 0 for success, non-zero for failure.
 */
static int
GetPortFacts(MPT_ADAPTER *ioc, int portnum, int sleepFlag)
{
	PortFacts_t		 get_pfacts;
	PortFactsReply_t	*pfacts;
	int			 ii;
	int			 req_sz;
	int			 reply_sz;
3154
	int			 max_id;
L
Linus Torvalds 已提交
3155 3156 3157

	/* IOC *must* NOT be in RESET state! */
	if (ioc->last_state == MPI_IOC_STATE_RESET) {
3158 3159
		printk(MYIOC_s_ERR_FMT "Can't get PortFacts NOT READY! (%08x)\n",
		    ioc->name, ioc->last_state );
L
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3160 3161 3162 3163 3164 3165 3166 3167 3168 3169 3170 3171 3172 3173 3174 3175 3176
		return -4;
	}

	pfacts = &ioc->pfacts[portnum];

	/* Destination (reply area)...  */
	reply_sz = sizeof(*pfacts);
	memset(pfacts, 0, reply_sz);

	/* Request area (get_pfacts on the stack right now!) */
	req_sz = sizeof(get_pfacts);
	memset(&get_pfacts, 0, req_sz);

	get_pfacts.Function = MPI_FUNCTION_PORT_FACTS;
	get_pfacts.PortNumber = portnum;
	/* Assert: All other get_pfacts fields are zero! */

3177
	dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending get PortFacts(%d) request\n",
L
Linus Torvalds 已提交
3178 3179 3180 3181 3182 3183 3184 3185 3186 3187 3188 3189 3190 3191 3192 3193 3194 3195 3196 3197 3198 3199 3200
			ioc->name, portnum));

	/* No non-zero fields in the get_pfacts request are greater than
	 * 1 byte in size, so we can just fire it off as is.
	 */
	ii = mpt_handshake_req_reply_wait(ioc, req_sz, (u32*)&get_pfacts,
				reply_sz, (u16*)pfacts, 5 /*seconds*/, sleepFlag);
	if (ii != 0)
		return ii;

	/* Did we get a valid reply? */

	/* Now byte swap the necessary fields in the response. */
	pfacts->MsgContext = le32_to_cpu(pfacts->MsgContext);
	pfacts->IOCStatus = le16_to_cpu(pfacts->IOCStatus);
	pfacts->IOCLogInfo = le32_to_cpu(pfacts->IOCLogInfo);
	pfacts->MaxDevices = le16_to_cpu(pfacts->MaxDevices);
	pfacts->PortSCSIID = le16_to_cpu(pfacts->PortSCSIID);
	pfacts->ProtocolFlags = le16_to_cpu(pfacts->ProtocolFlags);
	pfacts->MaxPostedCmdBuffers = le16_to_cpu(pfacts->MaxPostedCmdBuffers);
	pfacts->MaxPersistentIDs = le16_to_cpu(pfacts->MaxPersistentIDs);
	pfacts->MaxLanBuckets = le16_to_cpu(pfacts->MaxLanBuckets);

3201 3202 3203 3204 3205 3206 3207 3208 3209 3210 3211 3212 3213 3214 3215
	max_id = (ioc->bus_type == SAS) ? pfacts->PortSCSIID :
	    pfacts->MaxDevices;
	ioc->devices_per_bus = (max_id > 255) ? 256 : max_id;
	ioc->number_of_buses = (ioc->devices_per_bus < 256) ? 1 : max_id/256;

	/*
	 * Place all the devices on channels
	 *
	 * (for debuging)
	 */
	if (mpt_channel_mapping) {
		ioc->devices_per_bus = 1;
		ioc->number_of_buses = (max_id > 255) ? 255 : max_id;
	}

L
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3216 3217 3218 3219
	return 0;
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3220
/**
L
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3221 3222 3223 3224 3225 3226 3227 3228 3229 3230 3231 3232 3233 3234 3235 3236 3237 3238 3239 3240 3241 3242 3243 3244 3245 3246 3247 3248 3249 3250 3251 3252
 *	SendIocInit - Send IOCInit request to MPT adapter.
 *	@ioc: Pointer to MPT_ADAPTER structure
 *	@sleepFlag: Specifies whether the process can sleep
 *
 *	Send IOCInit followed by PortEnable to bring IOC to OPERATIONAL state.
 *
 *	Returns 0 for success, non-zero for failure.
 */
static int
SendIocInit(MPT_ADAPTER *ioc, int sleepFlag)
{
	IOCInit_t		 ioc_init;
	MPIDefaultReply_t	 init_reply;
	u32			 state;
	int			 r;
	int			 count;
	int			 cntdn;

	memset(&ioc_init, 0, sizeof(ioc_init));
	memset(&init_reply, 0, sizeof(init_reply));

	ioc_init.WhoInit = MPI_WHOINIT_HOST_DRIVER;
	ioc_init.Function = MPI_FUNCTION_IOC_INIT;

	/* If we are in a recovery mode and we uploaded the FW image,
	 * then this pointer is not NULL. Skip the upload a second time.
	 * Set this flag if cached_fw set for either IOC.
	 */
	if (ioc->facts.Flags & MPI_IOCFACTS_FLAGS_FW_DOWNLOAD_BOOT)
		ioc->upload_fw = 1;
	else
		ioc->upload_fw = 0;
3253
	ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "upload_fw %d facts.Flags=%x\n",
L
Linus Torvalds 已提交
3254 3255
		   ioc->name, ioc->upload_fw, ioc->facts.Flags));

3256 3257
	ioc_init.MaxDevices = (U8)ioc->devices_per_bus;
	ioc_init.MaxBuses = (U8)ioc->number_of_buses;
3258
	dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "facts.MsgVersion=%x\n",
3259 3260 3261 3262 3263 3264 3265 3266 3267 3268 3269
		   ioc->name, ioc->facts.MsgVersion));
	if (ioc->facts.MsgVersion >= MPI_VERSION_01_05) {
		// set MsgVersion and HeaderVersion host driver was built with
		ioc_init.MsgVersion = cpu_to_le16(MPI_VERSION);
	        ioc_init.HeaderVersion = cpu_to_le16(MPI_HEADER_VERSION);

		if (ioc->facts.Flags & MPI_IOCFACTS_FLAGS_HOST_PAGE_BUFFER_PERSISTENT) {
			ioc_init.HostPageBufferSGE = ioc->facts.HostPageBufferSGE;
		} else if(mpt_host_page_alloc(ioc, &ioc_init))
			return -99;
	}
L
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3270 3271 3272 3273 3274 3275 3276 3277 3278 3279 3280 3281 3282
	ioc_init.ReplyFrameSize = cpu_to_le16(ioc->reply_sz);	/* in BYTES */

	if (sizeof(dma_addr_t) == sizeof(u64)) {
		/* Save the upper 32-bits of the request
		 * (reply) and sense buffers.
		 */
		ioc_init.HostMfaHighAddr = cpu_to_le32((u32)((u64)ioc->alloc_dma >> 32));
		ioc_init.SenseBufferHighAddr = cpu_to_le32((u32)((u64)ioc->sense_buf_pool_dma >> 32));
	} else {
		/* Force 32-bit addressing */
		ioc_init.HostMfaHighAddr = cpu_to_le32(0);
		ioc_init.SenseBufferHighAddr = cpu_to_le32(0);
	}
3283

L
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3284 3285
	ioc->facts.CurrentHostMfaHighAddr = ioc_init.HostMfaHighAddr;
	ioc->facts.CurrentSenseBufferHighAddr = ioc_init.SenseBufferHighAddr;
3286 3287
	ioc->facts.MaxDevices = ioc_init.MaxDevices;
	ioc->facts.MaxBuses = ioc_init.MaxBuses;
L
Linus Torvalds 已提交
3288

3289
	dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending IOCInit (req @ %p)\n",
L
Linus Torvalds 已提交
3290 3291 3292 3293
			ioc->name, &ioc_init));

	r = mpt_handshake_req_reply_wait(ioc, sizeof(IOCInit_t), (u32*)&ioc_init,
				sizeof(MPIDefaultReply_t), (u16*)&init_reply, 10 /*seconds*/, sleepFlag);
3294 3295
	if (r != 0) {
		printk(MYIOC_s_ERR_FMT "Sending IOCInit failed(%d)!\n",ioc->name, r);
L
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3296
		return r;
3297
	}
L
Linus Torvalds 已提交
3298 3299

	/* No need to byte swap the multibyte fields in the reply
3300
	 * since we don't even look at its contents.
L
Linus Torvalds 已提交
3301 3302
	 */

3303
	dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending PortEnable (req @ %p)\n",
L
Linus Torvalds 已提交
3304
			ioc->name, &ioc_init));
3305 3306 3307

	if ((r = SendPortEnable(ioc, 0, sleepFlag)) != 0) {
		printk(MYIOC_s_ERR_FMT "Sending PortEnable failed(%d)!\n",ioc->name, r);
L
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3308
		return r;
3309
	}
L
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3310 3311 3312 3313 3314 3315 3316 3317 3318 3319

	/* YIKES!  SUPER IMPORTANT!!!
	 *  Poll IocState until _OPERATIONAL while IOC is doing
	 *  LoopInit and TargetDiscovery!
	 */
	count = 0;
	cntdn = ((sleepFlag == CAN_SLEEP) ? HZ : 1000) * 60;	/* 60 seconds */
	state = mpt_GetIocState(ioc, 1);
	while (state != MPI_IOC_STATE_OPERATIONAL && --cntdn) {
		if (sleepFlag == CAN_SLEEP) {
3320
			msleep(1);
L
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3321 3322 3323 3324 3325 3326 3327 3328 3329 3330 3331 3332 3333
		} else {
			mdelay(1);
		}

		if (!cntdn) {
			printk(MYIOC_s_ERR_FMT "Wait IOC_OP state timeout(%d)!\n",
					ioc->name, (int)((count+5)/HZ));
			return -9;
		}

		state = mpt_GetIocState(ioc, 1);
		count++;
	}
3334
	dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Wait IOC_OPERATIONAL state (cnt=%d)\n",
L
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3335 3336
			ioc->name, count));

E
Eric Moore 已提交
3337
	ioc->aen_event_read_flag=0;
L
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3338 3339 3340 3341
	return r;
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3342
/**
L
Linus Torvalds 已提交
3343 3344 3345 3346 3347 3348 3349 3350 3351 3352 3353 3354 3355 3356
 *	SendPortEnable - Send PortEnable request to MPT adapter port.
 *	@ioc: Pointer to MPT_ADAPTER structure
 *	@portnum: Port number to enable
 *	@sleepFlag: Specifies whether the process can sleep
 *
 *	Send PortEnable to bring IOC to OPERATIONAL state.
 *
 *	Returns 0 for success, non-zero for failure.
 */
static int
SendPortEnable(MPT_ADAPTER *ioc, int portnum, int sleepFlag)
{
	PortEnable_t		 port_enable;
	MPIDefaultReply_t	 reply_buf;
3357
	int	 rc;
L
Linus Torvalds 已提交
3358 3359 3360 3361 3362 3363 3364 3365 3366 3367 3368 3369 3370 3371 3372 3373
	int	 req_sz;
	int	 reply_sz;

	/*  Destination...  */
	reply_sz = sizeof(MPIDefaultReply_t);
	memset(&reply_buf, 0, reply_sz);

	req_sz = sizeof(PortEnable_t);
	memset(&port_enable, 0, req_sz);

	port_enable.Function = MPI_FUNCTION_PORT_ENABLE;
	port_enable.PortNumber = portnum;
/*	port_enable.ChainOffset = 0;		*/
/*	port_enable.MsgFlags = 0;		*/
/*	port_enable.MsgContext = 0;		*/

3374
	dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending Port(%d)Enable (req @ %p)\n",
L
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3375 3376 3377 3378
			ioc->name, portnum, &port_enable));

	/* RAID FW may take a long time to enable
	 */
3379
	if (ioc->ir_firmware || ioc->bus_type == SAS) {
3380 3381 3382
		rc = mpt_handshake_req_reply_wait(ioc, req_sz,
		(u32*)&port_enable, reply_sz, (u16*)&reply_buf,
		300 /*seconds*/, sleepFlag);
3383
	} else {
3384 3385 3386
		rc = mpt_handshake_req_reply_wait(ioc, req_sz,
		(u32*)&port_enable, reply_sz, (u16*)&reply_buf,
		30 /*seconds*/, sleepFlag);
L
Linus Torvalds 已提交
3387
	}
3388
	return rc;
L
Linus Torvalds 已提交
3389 3390
}

3391 3392 3393 3394 3395 3396 3397
/**
 *	mpt_alloc_fw_memory - allocate firmware memory
 *	@ioc: Pointer to MPT_ADAPTER structure
 *      @size: total FW bytes
 *
 *	If memory has already been allocated, the same (cached) value
 *	is returned.
3398 3399 3400 3401
 *
 *	Return 0 if successfull, or non-zero for failure
 **/
int
L
Linus Torvalds 已提交
3402 3403
mpt_alloc_fw_memory(MPT_ADAPTER *ioc, int size)
{
3404 3405 3406 3407 3408 3409 3410
	int rc;

	if (ioc->cached_fw) {
		rc = 0;  /* use already allocated memory */
		goto out;
	}
	else if (ioc->alt_ioc && ioc->alt_ioc->cached_fw) {
L
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3411 3412
		ioc->cached_fw = ioc->alt_ioc->cached_fw;  /* use alt_ioc's memory */
		ioc->cached_fw_dma = ioc->alt_ioc->cached_fw_dma;
3413 3414 3415 3416 3417 3418 3419 3420
		rc = 0;
		goto out;
	}
	ioc->cached_fw = pci_alloc_consistent(ioc->pcidev, size, &ioc->cached_fw_dma);
	if (!ioc->cached_fw) {
		printk(MYIOC_s_ERR_FMT "Unable to allocate memory for the cached firmware image!\n",
		    ioc->name);
		rc = -1;
L
Linus Torvalds 已提交
3421
	} else {
3422 3423 3424 3425
		dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "FW Image  @ %p[%p], sz=%d[%x] bytes\n",
		    ioc->name, ioc->cached_fw, (void *)(ulong)ioc->cached_fw_dma, size, size));
		ioc->alloc_total += size;
		rc = 0;
L
Linus Torvalds 已提交
3426
	}
3427 3428
 out:
	return rc;
L
Linus Torvalds 已提交
3429
}
3430

3431 3432 3433 3434 3435 3436
/**
 *	mpt_free_fw_memory - free firmware memory
 *	@ioc: Pointer to MPT_ADAPTER structure
 *
 *	If alt_img is NULL, delete from ioc structure.
 *	Else, delete a secondary image in same format.
3437
 **/
L
Linus Torvalds 已提交
3438 3439 3440 3441 3442
void
mpt_free_fw_memory(MPT_ADAPTER *ioc)
{
	int sz;

3443 3444 3445
	if (!ioc->cached_fw)
		return;

L
Linus Torvalds 已提交
3446
	sz = ioc->facts.FWImageSize;
3447 3448
	dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "free_fw_memory: FW Image  @ %p[%p], sz=%d[%x] bytes\n",
		 ioc->name, ioc->cached_fw, (void *)(ulong)ioc->cached_fw_dma, sz, sz));
3449
	pci_free_consistent(ioc->pcidev, sz, ioc->cached_fw, ioc->cached_fw_dma);
3450
	ioc->alloc_total -= sz;
L
Linus Torvalds 已提交
3451 3452 3453 3454
	ioc->cached_fw = NULL;
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3455
/**
L
Linus Torvalds 已提交
3456 3457 3458 3459 3460 3461 3462 3463 3464 3465 3466 3467 3468 3469 3470 3471 3472 3473 3474 3475 3476 3477
 *	mpt_do_upload - Construct and Send FWUpload request to MPT adapter port.
 *	@ioc: Pointer to MPT_ADAPTER structure
 *	@sleepFlag: Specifies whether the process can sleep
 *
 *	Returns 0 for success, >0 for handshake failure
 *		<0 for fw upload failure.
 *
 *	Remark: If bound IOC and a successful FWUpload was performed
 *	on the bound IOC, the second image is discarded
 *	and memory is free'd. Both channels must upload to prevent
 *	IOC from running in degraded mode.
 */
static int
mpt_do_upload(MPT_ADAPTER *ioc, int sleepFlag)
{
	u8			 reply[sizeof(FWUploadReply_t)];
	FWUpload_t		*prequest;
	FWUploadReply_t		*preply;
	FWUploadTCSGE_t		*ptcsge;
	u32			 flagsLength;
	int			 ii, sz, reply_sz;
	int			 cmdStatus;
3478
	int			request_size;
L
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3479 3480 3481 3482 3483
	/* If the image size is 0, we are done.
	 */
	if ((sz = ioc->facts.FWImageSize) == 0)
		return 0;

3484 3485
	if (mpt_alloc_fw_memory(ioc, ioc->facts.FWImageSize) != 0)
		return -ENOMEM;
L
Linus Torvalds 已提交
3486

3487 3488
	dinitprintk(ioc, printk(MYIOC_s_INFO_FMT ": FW Image  @ %p[%p], sz=%d[%x] bytes\n",
	    ioc->name, ioc->cached_fw, (void *)(ulong)ioc->cached_fw_dma, sz, sz));
3489

3490 3491 3492 3493 3494 3495 3496 3497
	prequest = (sleepFlag == NO_SLEEP) ? kzalloc(ioc->req_sz, GFP_ATOMIC) :
	    kzalloc(ioc->req_sz, GFP_KERNEL);
	if (!prequest) {
		dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "fw upload failed "
		    "while allocating memory \n", ioc->name));
		mpt_free_fw_memory(ioc);
		return -ENOMEM;
	}
L
Linus Torvalds 已提交
3498

3499
	preply = (FWUploadReply_t *)&reply;
L
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3500 3501 3502 3503 3504 3505 3506 3507 3508 3509 3510

	reply_sz = sizeof(reply);
	memset(preply, 0, reply_sz);

	prequest->ImageType = MPI_FW_UPLOAD_ITYPE_FW_IOC_MEM;
	prequest->Function = MPI_FUNCTION_FW_UPLOAD;

	ptcsge = (FWUploadTCSGE_t *) &prequest->SGL;
	ptcsge->DetailsLength = 12;
	ptcsge->Flags = MPI_SGE_FLAGS_TRANSACTION_ELEMENT;
	ptcsge->ImageSize = cpu_to_le32(sz);
3511
	ptcsge++;
L
Linus Torvalds 已提交
3512 3513

	flagsLength = MPT_SGE_FLAGS_SSIMPLE_READ | sz;
3514 3515 3516 3517 3518 3519
	ioc->add_sge((char *)ptcsge, flagsLength, ioc->cached_fw_dma);
	request_size = offsetof(FWUpload_t, SGL) + sizeof(FWUploadTCSGE_t) +
	    ioc->SGE_size;
	dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending FW Upload "
	    " (req @ %p) fw_size=%d mf_request_size=%d\n", ioc->name, prequest,
	    ioc->facts.FWImageSize, request_size));
3520
	DBG_DUMP_FW_REQUEST_FRAME(ioc, (u32 *)prequest);
L
Linus Torvalds 已提交
3521

3522 3523
	ii = mpt_handshake_req_reply_wait(ioc, request_size, (u32 *)prequest,
	    reply_sz, (u16 *)preply, 65 /*seconds*/, sleepFlag);
L
Linus Torvalds 已提交
3524

3525
	dinitprintk(ioc, printk(MYIOC_s_INFO_FMT ": FW Upload completed rc=%x \n", ioc->name, ii));
L
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3526 3527 3528 3529 3530 3531 3532 3533 3534 3535 3536 3537 3538 3539

	cmdStatus = -EFAULT;
	if (ii == 0) {
		/* Handshake transfer was complete and successful.
		 * Check the Reply Frame.
		 */
		int status, transfer_sz;
		status = le16_to_cpu(preply->IOCStatus);
		if (status == MPI_IOCSTATUS_SUCCESS) {
			transfer_sz = le32_to_cpu(preply->ActualImageSize);
			if (transfer_sz == sz)
				cmdStatus = 0;
		}
	}
3540
	dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT ": do_upload cmdStatus=%d \n",
L
Linus Torvalds 已提交
3541 3542
			ioc->name, cmdStatus));

3543

L
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3544 3545
	if (cmdStatus) {

3546
		ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT ": fw upload failed, freeing image \n",
L
Linus Torvalds 已提交
3547 3548 3549
			ioc->name));
		mpt_free_fw_memory(ioc);
	}
3550
	kfree(prequest);
L
Linus Torvalds 已提交
3551 3552 3553 3554 3555

	return cmdStatus;
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3556
/**
L
Linus Torvalds 已提交
3557 3558
 *	mpt_downloadboot - DownloadBoot code
 *	@ioc: Pointer to MPT_ADAPTER structure
3559
 *	@pFwHeader: Pointer to firmware header info
L
Linus Torvalds 已提交
3560 3561 3562 3563 3564 3565 3566 3567 3568 3569
 *	@sleepFlag: Specifies whether the process can sleep
 *
 *	FwDownloadBoot requires Programmed IO access.
 *
 *	Returns 0 for success
 *		-1 FW Image size is 0
 *		-2 No valid cached_fw Pointer
 *		<0 for fw upload failure.
 */
static int
3570
mpt_downloadboot(MPT_ADAPTER *ioc, MpiFwHeader_t *pFwHeader, int sleepFlag)
L
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3571 3572 3573 3574 3575 3576 3577 3578 3579 3580 3581
{
	MpiExtImageHeader_t	*pExtImage;
	u32			 fwSize;
	u32			 diag0val;
	int			 count;
	u32			*ptrFw;
	u32			 diagRwData;
	u32			 nextImage;
	u32			 load_addr;
	u32 			 ioc_state=0;

3582
	ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "downloadboot: fw size 0x%x (%d), FW Ptr %p\n",
3583
				ioc->name, pFwHeader->ImageSize, pFwHeader->ImageSize, pFwHeader));
3584

L
Linus Torvalds 已提交
3585 3586 3587 3588 3589 3590 3591 3592 3593 3594 3595
	CHIPREG_WRITE32(&ioc->chip->WriteSequence, 0xFF);
	CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_1ST_KEY_VALUE);
	CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_2ND_KEY_VALUE);
	CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_3RD_KEY_VALUE);
	CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_4TH_KEY_VALUE);
	CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_5TH_KEY_VALUE);

	CHIPREG_WRITE32(&ioc->chip->Diagnostic, (MPI_DIAG_PREVENT_IOC_BOOT | MPI_DIAG_DISABLE_ARM));

	/* wait 1 msec */
	if (sleepFlag == CAN_SLEEP) {
3596
		msleep(1);
L
Linus Torvalds 已提交
3597 3598 3599 3600 3601 3602 3603 3604 3605 3606
	} else {
		mdelay (1);
	}

	diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
	CHIPREG_WRITE32(&ioc->chip->Diagnostic, diag0val | MPI_DIAG_RESET_ADAPTER);

	for (count = 0; count < 30; count ++) {
		diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
		if (!(diag0val & MPI_DIAG_RESET_ADAPTER)) {
3607
			ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "RESET_ADAPTER cleared, count=%d\n",
L
Linus Torvalds 已提交
3608 3609 3610
				ioc->name, count));
			break;
		}
3611
		/* wait .1 sec */
L
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3612
		if (sleepFlag == CAN_SLEEP) {
3613
			msleep (100);
L
Linus Torvalds 已提交
3614
		} else {
3615
			mdelay (100);
L
Linus Torvalds 已提交
3616 3617 3618 3619
		}
	}

	if ( count == 30 ) {
3620
		ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "downloadboot failed! "
3621
		"Unable to get MPI_DIAG_DRWE mode, diag0val=%x\n",
L
Linus Torvalds 已提交
3622 3623 3624 3625 3626 3627 3628 3629 3630 3631 3632 3633 3634 3635 3636 3637 3638 3639 3640 3641
		ioc->name, diag0val));
		return -3;
	}

	CHIPREG_WRITE32(&ioc->chip->WriteSequence, 0xFF);
	CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_1ST_KEY_VALUE);
	CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_2ND_KEY_VALUE);
	CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_3RD_KEY_VALUE);
	CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_4TH_KEY_VALUE);
	CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_5TH_KEY_VALUE);

	/* Set the DiagRwEn and Disable ARM bits */
	CHIPREG_WRITE32(&ioc->chip->Diagnostic, (MPI_DIAG_RW_ENABLE | MPI_DIAG_DISABLE_ARM));

	fwSize = (pFwHeader->ImageSize + 3)/4;
	ptrFw = (u32 *) pFwHeader;

	/* Write the LoadStartAddress to the DiagRw Address Register
	 * using Programmed IO
	 */
3642 3643 3644
	if (ioc->errata_flag_1064)
		pci_enable_io_access(ioc->pcidev);

L
Linus Torvalds 已提交
3645
	CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwAddress, pFwHeader->LoadStartAddress);
3646
	ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "LoadStart addr written 0x%x \n",
L
Linus Torvalds 已提交
3647 3648
		ioc->name, pFwHeader->LoadStartAddress));

3649
	ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Write FW Image: 0x%x bytes @ %p\n",
L
Linus Torvalds 已提交
3650 3651 3652 3653 3654 3655 3656 3657 3658 3659 3660 3661 3662 3663
				ioc->name, fwSize*4, ptrFw));
	while (fwSize--) {
		CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwData, *ptrFw++);
	}

	nextImage = pFwHeader->NextImageHeaderOffset;
	while (nextImage) {
		pExtImage = (MpiExtImageHeader_t *) ((char *)pFwHeader + nextImage);

		load_addr = pExtImage->LoadStartAddress;

		fwSize = (pExtImage->ImageSize + 3) >> 2;
		ptrFw = (u32 *)pExtImage;

3664
		ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Write Ext Image: 0x%x (%d) bytes @ %p load_addr=%x\n",
3665
						ioc->name, fwSize*4, fwSize*4, ptrFw, load_addr));
L
Linus Torvalds 已提交
3666 3667 3668 3669 3670 3671 3672 3673 3674
		CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwAddress, load_addr);

		while (fwSize--) {
			CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwData, *ptrFw++);
		}
		nextImage = pExtImage->NextImageHeaderOffset;
	}

	/* Write the IopResetVectorRegAddr */
3675
	ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Write IopResetVector Addr=%x! \n", ioc->name, 	pFwHeader->IopResetRegAddr));
L
Linus Torvalds 已提交
3676 3677 3678
	CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwAddress, pFwHeader->IopResetRegAddr);

	/* Write the IopResetVectorValue */
3679
	ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Write IopResetVector Value=%x! \n", ioc->name, pFwHeader->IopResetVectorValue));
L
Linus Torvalds 已提交
3680 3681 3682 3683 3684
	CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwData, pFwHeader->IopResetVectorValue);

	/* Clear the internal flash bad bit - autoincrementing register,
	 * so must do two writes.
	 */
3685
	if (ioc->bus_type == SPI) {
3686 3687 3688 3689 3690 3691 3692 3693 3694 3695 3696 3697 3698 3699 3700 3701 3702
		/*
		 * 1030 and 1035 H/W errata, workaround to access
		 * the ClearFlashBadSignatureBit
		 */
		CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwAddress, 0x3F000000);
		diagRwData = CHIPREG_PIO_READ32(&ioc->pio_chip->DiagRwData);
		diagRwData |= 0x40000000;
		CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwAddress, 0x3F000000);
		CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwData, diagRwData);

	} else /* if((ioc->bus_type == SAS) || (ioc->bus_type == FC)) */ {
		diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
		CHIPREG_WRITE32(&ioc->chip->Diagnostic, diag0val |
		    MPI_DIAG_CLEAR_FLASH_BAD_SIG);

		/* wait 1 msec */
		if (sleepFlag == CAN_SLEEP) {
3703
			msleep (1);
3704 3705 3706 3707
		} else {
			mdelay (1);
		}
	}
L
Linus Torvalds 已提交
3708

3709 3710 3711
	if (ioc->errata_flag_1064)
		pci_disable_io_access(ioc->pcidev);

L
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3712
	diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
3713
	ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "downloadboot diag0val=%x, "
3714
		"turning off PREVENT_IOC_BOOT, DISABLE_ARM, RW_ENABLE\n",
L
Linus Torvalds 已提交
3715
		ioc->name, diag0val));
3716
	diag0val &= ~(MPI_DIAG_PREVENT_IOC_BOOT | MPI_DIAG_DISABLE_ARM | MPI_DIAG_RW_ENABLE);
3717
	ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "downloadboot now diag0val=%x\n",
L
Linus Torvalds 已提交
3718 3719 3720 3721 3722 3723
		ioc->name, diag0val));
	CHIPREG_WRITE32(&ioc->chip->Diagnostic, diag0val);

	/* Write 0xFF to reset the sequencer */
	CHIPREG_WRITE32(&ioc->chip->WriteSequence, 0xFF);

3724 3725 3726 3727
	if (ioc->bus_type == SAS) {
		ioc_state = mpt_GetIocState(ioc, 0);
		if ( (GetIocFacts(ioc, sleepFlag,
				MPT_HOSTEVENT_IOC_BRINGUP)) != 0 ) {
3728
			ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "GetIocFacts failed: IocState=%x\n",
3729 3730 3731 3732 3733
					ioc->name, ioc_state));
			return -EFAULT;
		}
	}

L
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3734 3735
	for (count=0; count<HZ*20; count++) {
		if ((ioc_state = mpt_GetIocState(ioc, 0)) & MPI_IOC_STATE_READY) {
3736 3737 3738
			ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT
				"downloadboot successful! (count=%d) IocState=%x\n",
				ioc->name, count, ioc_state));
3739 3740 3741
			if (ioc->bus_type == SAS) {
				return 0;
			}
L
Linus Torvalds 已提交
3742
			if ((SendIocInit(ioc, sleepFlag)) != 0) {
3743 3744
				ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT
					"downloadboot: SendIocInit failed\n",
L
Linus Torvalds 已提交
3745 3746 3747
					ioc->name));
				return -EFAULT;
			}
3748 3749
			ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT
					"downloadboot: SendIocInit successful\n",
L
Linus Torvalds 已提交
3750 3751 3752 3753
					ioc->name));
			return 0;
		}
		if (sleepFlag == CAN_SLEEP) {
3754
			msleep (10);
L
Linus Torvalds 已提交
3755 3756 3757 3758
		} else {
			mdelay (10);
		}
	}
3759 3760
	ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT
		"downloadboot failed! IocState=%x\n",ioc->name, ioc_state));
L
Linus Torvalds 已提交
3761 3762 3763 3764
	return -EFAULT;
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3765
/**
L
Linus Torvalds 已提交
3766 3767 3768 3769 3770 3771 3772 3773 3774 3775 3776 3777 3778 3779 3780 3781 3782
 *	KickStart - Perform hard reset of MPT adapter.
 *	@ioc: Pointer to MPT_ADAPTER structure
 *	@force: Force hard reset
 *	@sleepFlag: Specifies whether the process can sleep
 *
 *	This routine places MPT adapter in diagnostic mode via the
 *	WriteSequence register, and then performs a hard reset of adapter
 *	via the Diagnostic register.
 *
 *	Inputs:   sleepflag - CAN_SLEEP (non-interrupt thread)
 *			or NO_SLEEP (interrupt thread, use mdelay)
 *		  force - 1 if doorbell active, board fault state
 *				board operational, IOC_RECOVERY or
 *				IOC_BRINGUP and there is an alt_ioc.
 *			  0 else
 *
 *	Returns:
3783 3784 3785
 *		 1 - hard reset, READY
 *		 0 - no reset due to History bit, READY
 *		-1 - no reset due to History bit but not READY
L
Linus Torvalds 已提交
3786 3787 3788 3789 3790 3791 3792 3793 3794 3795 3796
 *		     OR reset but failed to come READY
 *		-2 - no reset, could not enter DIAG mode
 *		-3 - reset but bad FW bit
 */
static int
KickStart(MPT_ADAPTER *ioc, int force, int sleepFlag)
{
	int hard_reset_done = 0;
	u32 ioc_state=0;
	int cnt,cntdn;

3797
	dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "KickStarting!\n", ioc->name));
3798
	if (ioc->bus_type == SPI) {
L
Linus Torvalds 已提交
3799 3800 3801 3802 3803 3804
		/* Always issue a Msg Unit Reset first. This will clear some
		 * SCSI bus hang conditions.
		 */
		SendIocReset(ioc, MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET, sleepFlag);

		if (sleepFlag == CAN_SLEEP) {
3805
			msleep (1000);
L
Linus Torvalds 已提交
3806 3807 3808 3809 3810 3811 3812 3813 3814
		} else {
			mdelay (1000);
		}
	}

	hard_reset_done = mpt_diag_reset(ioc, force, sleepFlag);
	if (hard_reset_done < 0)
		return hard_reset_done;

3815
	dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Diagnostic reset successful!\n",
3816
		ioc->name));
L
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3817 3818 3819 3820 3821

	cntdn = ((sleepFlag == CAN_SLEEP) ? HZ : 1000) * 2;	/* 2 seconds */
	for (cnt=0; cnt<cntdn; cnt++) {
		ioc_state = mpt_GetIocState(ioc, 1);
		if ((ioc_state == MPI_IOC_STATE_READY) || (ioc_state == MPI_IOC_STATE_OPERATIONAL)) {
3822
			dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "KickStart successful! (cnt=%d)\n",
L
Linus Torvalds 已提交
3823 3824 3825 3826
 					ioc->name, cnt));
			return hard_reset_done;
		}
		if (sleepFlag == CAN_SLEEP) {
3827
			msleep (10);
L
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3828 3829 3830 3831 3832
		} else {
			mdelay (10);
		}
	}

3833 3834
	dinitprintk(ioc, printk(MYIOC_s_ERR_FMT "Failed to come READY after reset! IocState=%x\n",
		ioc->name, mpt_GetIocState(ioc, 0)));
L
Linus Torvalds 已提交
3835 3836 3837 3838
	return -1;
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3839
/**
L
Linus Torvalds 已提交
3840 3841 3842 3843
 *	mpt_diag_reset - Perform hard reset of the adapter.
 *	@ioc: Pointer to MPT_ADAPTER structure
 *	@ignore: Set if to honor and clear to ignore
 *		the reset history bit
3844
 *	@sleepFlag: CAN_SLEEP if called in a non-interrupt thread,
L
Linus Torvalds 已提交
3845 3846 3847 3848 3849 3850 3851 3852 3853 3854 3855 3856 3857 3858 3859 3860 3861 3862 3863 3864
 *		else set to NO_SLEEP (use mdelay instead)
 *
 *	This routine places the adapter in diagnostic mode via the
 *	WriteSequence register and then performs a hard reset of adapter
 *	via the Diagnostic register. Adapter should be in ready state
 *	upon successful completion.
 *
 *	Returns:  1  hard reset successful
 *		  0  no reset performed because reset history bit set
 *		 -2  enabling diagnostic mode failed
 *		 -3  diagnostic reset failed
 */
static int
mpt_diag_reset(MPT_ADAPTER *ioc, int ignore, int sleepFlag)
{
	u32 diag0val;
	u32 doorbell;
	int hard_reset_done = 0;
	int count = 0;
	u32 diag1val = 0;
3865
	MpiFwHeader_t *cached_fw;	/* Pointer to FW */
L
Linus Torvalds 已提交
3866

3867 3868 3869
	/* Clear any existing interrupts */
	CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);

3870
	if (ioc->pcidev->device == MPI_MANUFACTPAGE_DEVID_SAS1078) {
3871
		drsprintk(ioc, printk(MYIOC_s_WARN_FMT "%s: Doorbell=%p; 1078 reset "
3872
			"address=%p\n",  ioc->name, __func__,
3873 3874 3875 3876 3877 3878 3879 3880 3881 3882 3883
			&ioc->chip->Doorbell, &ioc->chip->Reset_1078));
		CHIPREG_WRITE32(&ioc->chip->Reset_1078, 0x07);
		if (sleepFlag == CAN_SLEEP)
			msleep(1);
		else
			mdelay(1);

		for (count = 0; count < 60; count ++) {
			doorbell = CHIPREG_READ32(&ioc->chip->Doorbell);
			doorbell &= MPI_IOC_STATE_MASK;

3884
			drsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3885 3886 3887 3888
				"looking for READY STATE: doorbell=%x"
			        " count=%d\n",
				ioc->name, doorbell, count));
			if (doorbell == MPI_IOC_STATE_READY) {
3889
				return 1;
3890 3891 3892 3893 3894 3895 3896 3897 3898 3899 3900
			}

			/* wait 1 sec */
			if (sleepFlag == CAN_SLEEP)
				msleep(1000);
			else
				mdelay(1000);
		}
		return -1;
	}

L
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3901 3902 3903
	/* Use "Diagnostic reset" method! (only thing available!) */
	diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);

3904 3905 3906 3907
	if (ioc->debug_level & MPT_DEBUG) {
		if (ioc->alt_ioc)
			diag1val = CHIPREG_READ32(&ioc->alt_ioc->chip->Diagnostic);
		dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "DbG1: diag0=%08x, diag1=%08x\n",
L
Linus Torvalds 已提交
3908
			ioc->name, diag0val, diag1val));
3909
	}
L
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3910 3911 3912 3913 3914 3915 3916 3917 3918 3919 3920 3921 3922 3923 3924 3925 3926 3927

	/* Do the reset if we are told to ignore the reset history
	 * or if the reset history is 0
	 */
	if (ignore || !(diag0val & MPI_DIAG_RESET_HISTORY)) {
		while ((diag0val & MPI_DIAG_DRWE) == 0) {
			/* Write magic sequence to WriteSequence register
			 * Loop until in diagnostic mode
			 */
			CHIPREG_WRITE32(&ioc->chip->WriteSequence, 0xFF);
			CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_1ST_KEY_VALUE);
			CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_2ND_KEY_VALUE);
			CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_3RD_KEY_VALUE);
			CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_4TH_KEY_VALUE);
			CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_5TH_KEY_VALUE);

			/* wait 100 msec */
			if (sleepFlag == CAN_SLEEP) {
3928
				msleep (100);
L
Linus Torvalds 已提交
3929 3930 3931 3932 3933 3934 3935 3936 3937 3938 3939 3940 3941 3942
			} else {
				mdelay (100);
			}

			count++;
			if (count > 20) {
				printk(MYIOC_s_ERR_FMT "Enable Diagnostic mode FAILED! (%02xh)\n",
						ioc->name, diag0val);
				return -2;

			}

			diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);

3943
			dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Wrote magic DiagWriteEn sequence (%x)\n",
L
Linus Torvalds 已提交
3944 3945 3946
					ioc->name, diag0val));
		}

3947 3948 3949 3950
		if (ioc->debug_level & MPT_DEBUG) {
			if (ioc->alt_ioc)
				diag1val = CHIPREG_READ32(&ioc->alt_ioc->chip->Diagnostic);
			dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "DbG2: diag0=%08x, diag1=%08x\n",
L
Linus Torvalds 已提交
3951
				ioc->name, diag0val, diag1val));
3952
		}
L
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3953 3954 3955 3956 3957
		/*
		 * Disable the ARM (Bug fix)
		 *
		 */
		CHIPREG_WRITE32(&ioc->chip->Diagnostic, diag0val | MPI_DIAG_DISABLE_ARM);
3958
		mdelay(1);
L
Linus Torvalds 已提交
3959 3960 3961 3962 3963 3964 3965

		/*
		 * Now hit the reset bit in the Diagnostic register
		 * (THE BIG HAMMER!) (Clears DRWE bit).
		 */
		CHIPREG_WRITE32(&ioc->chip->Diagnostic, diag0val | MPI_DIAG_RESET_ADAPTER);
		hard_reset_done = 1;
3966
		dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Diagnostic reset performed\n",
L
Linus Torvalds 已提交
3967 3968 3969 3970 3971 3972 3973 3974 3975
				ioc->name));

		/*
		 * Call each currently registered protocol IOC reset handler
		 * with pre-reset indication.
		 * NOTE: If we're doing _IOC_BRINGUP, there can be no
		 * MptResetHandlers[] registered yet.
		 */
		{
3976
			u8	 cb_idx;
L
Linus Torvalds 已提交
3977 3978
			int	 r = 0;

3979 3980
			for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) {
				if (MptResetHandlers[cb_idx]) {
3981 3982
					dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
						"Calling IOC pre_reset handler #%d\n",
3983 3984
						ioc->name, cb_idx));
					r += mpt_signal_reset(cb_idx, ioc, MPT_IOC_PRE_RESET);
L
Linus Torvalds 已提交
3985
					if (ioc->alt_ioc) {
3986 3987
						dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
							"Calling alt-%s pre_reset handler #%d\n",
3988 3989
							ioc->name, ioc->alt_ioc->name, cb_idx));
						r += mpt_signal_reset(cb_idx, ioc->alt_ioc, MPT_IOC_PRE_RESET);
L
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3990 3991 3992 3993 3994 3995
					}
				}
			}
			/* FIXME?  Examine results here? */
		}

3996
		if (ioc->cached_fw)
3997
			cached_fw = (MpiFwHeader_t *)ioc->cached_fw;
3998
		else if (ioc->alt_ioc && ioc->alt_ioc->cached_fw)
3999 4000 4001 4002
			cached_fw = (MpiFwHeader_t *)ioc->alt_ioc->cached_fw;
		else
			cached_fw = NULL;
		if (cached_fw) {
L
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4003 4004 4005 4006 4007
			/* If the DownloadBoot operation fails, the
			 * IOC will be left unusable. This is a fatal error
			 * case.  _diag_reset will return < 0
			 */
			for (count = 0; count < 30; count ++) {
4008
				diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
L
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4009 4010 4011 4012
				if (!(diag0val & MPI_DIAG_RESET_ADAPTER)) {
					break;
				}

4013
				dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "cached_fw: diag0val=%x count=%d\n",
4014
					ioc->name, diag0val, count));
L
Linus Torvalds 已提交
4015 4016
				/* wait 1 sec */
				if (sleepFlag == CAN_SLEEP) {
4017
					msleep (1000);
L
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4018 4019 4020 4021
				} else {
					mdelay (1000);
				}
			}
4022
			if ((count = mpt_downloadboot(ioc, cached_fw, sleepFlag)) < 0) {
4023 4024
				printk(MYIOC_s_WARN_FMT
					"firmware downloadboot failure (%d)!\n", ioc->name, count);
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			}

		} else {
			/* Wait for FW to reload and for board
			 * to go to the READY state.
			 * Maximum wait is 60 seconds.
			 * If fail, no error will check again
			 * with calling program.
			 */
			for (count = 0; count < 60; count ++) {
				doorbell = CHIPREG_READ32(&ioc->chip->Doorbell);
				doorbell &= MPI_IOC_STATE_MASK;

				if (doorbell == MPI_IOC_STATE_READY) {
					break;
				}

				/* wait 1 sec */
				if (sleepFlag == CAN_SLEEP) {
4044
					msleep (1000);
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				} else {
					mdelay (1000);
				}
			}
		}
	}

	diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
4053 4054 4055 4056 4057 4058
	if (ioc->debug_level & MPT_DEBUG) {
		if (ioc->alt_ioc)
			diag1val = CHIPREG_READ32(&ioc->alt_ioc->chip->Diagnostic);
		dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "DbG3: diag0=%08x, diag1=%08x\n",
			ioc->name, diag0val, diag1val));
	}
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	/* Clear RESET_HISTORY bit!  Place board in the
	 * diagnostic mode to update the diag register.
	 */
	diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
	count = 0;
	while ((diag0val & MPI_DIAG_DRWE) == 0) {
		/* Write magic sequence to WriteSequence register
		 * Loop until in diagnostic mode
		 */
		CHIPREG_WRITE32(&ioc->chip->WriteSequence, 0xFF);
		CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_1ST_KEY_VALUE);
		CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_2ND_KEY_VALUE);
		CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_3RD_KEY_VALUE);
		CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_4TH_KEY_VALUE);
		CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_5TH_KEY_VALUE);

		/* wait 100 msec */
		if (sleepFlag == CAN_SLEEP) {
4078
			msleep (100);
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		} else {
			mdelay (100);
		}

		count++;
		if (count > 20) {
			printk(MYIOC_s_ERR_FMT "Enable Diagnostic mode FAILED! (%02xh)\n",
					ioc->name, diag0val);
			break;
		}
		diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
	}
	diag0val &= ~MPI_DIAG_RESET_HISTORY;
	CHIPREG_WRITE32(&ioc->chip->Diagnostic, diag0val);
	diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
	if (diag0val & MPI_DIAG_RESET_HISTORY) {
		printk(MYIOC_s_WARN_FMT "ResetHistory bit failed to clear!\n",
				ioc->name);
	}

	/* Disable Diagnostic Mode
	 */
	CHIPREG_WRITE32(&ioc->chip->WriteSequence, 0xFFFFFFFF);

	/* Check FW reload status flags.
	 */
	diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
	if (diag0val & (MPI_DIAG_FLASH_BAD_SIG | MPI_DIAG_RESET_ADAPTER | MPI_DIAG_DISABLE_ARM)) {
		printk(MYIOC_s_ERR_FMT "Diagnostic reset FAILED! (%02xh)\n",
				ioc->name, diag0val);
		return -3;
	}

4112 4113 4114 4115
	if (ioc->debug_level & MPT_DEBUG) {
		if (ioc->alt_ioc)
			diag1val = CHIPREG_READ32(&ioc->alt_ioc->chip->Diagnostic);
		dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "DbG4: diag0=%08x, diag1=%08x\n",
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			ioc->name, diag0val, diag1val));
4117
	}
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	/*
	 * Reset flag that says we've enabled event notification
	 */
	ioc->facts.EventState = 0;

	if (ioc->alt_ioc)
		ioc->alt_ioc->facts.EventState = 0;

	return hard_reset_done;
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
4131
/**
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 *	SendIocReset - Send IOCReset request to MPT adapter.
 *	@ioc: Pointer to MPT_ADAPTER structure
 *	@reset_type: reset type, expected values are
 *	%MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET or %MPI_FUNCTION_IO_UNIT_RESET
4136
 *	@sleepFlag: Specifies whether the process can sleep
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 *
 *	Send IOCReset request to the MPT adapter.
 *
 *	Returns 0 for success, non-zero for failure.
 */
static int
SendIocReset(MPT_ADAPTER *ioc, u8 reset_type, int sleepFlag)
{
	int r;
	u32 state;
	int cntdn, count;

4149
	drsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending IOC reset(0x%02x)!\n",
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			ioc->name, reset_type));
	CHIPREG_WRITE32(&ioc->chip->Doorbell, reset_type<<MPI_DOORBELL_FUNCTION_SHIFT);
	if ((r = WaitForDoorbellAck(ioc, 5, sleepFlag)) < 0)
		return r;

	/* FW ACK'd request, wait for READY state
	 */
	count = 0;
	cntdn = ((sleepFlag == CAN_SLEEP) ? HZ : 1000) * 15;	/* 15 seconds */

	while ((state = mpt_GetIocState(ioc, 1)) != MPI_IOC_STATE_READY) {
		cntdn--;
		count++;
		if (!cntdn) {
			if (sleepFlag != CAN_SLEEP)
				count *= 10;

4167 4168
			printk(MYIOC_s_ERR_FMT "Wait IOC_READY state timeout(%d)!\n",
			    ioc->name, (int)((count+5)/HZ));
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			return -ETIME;
		}

		if (sleepFlag == CAN_SLEEP) {
4173
			msleep(1);
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		} else {
			mdelay (1);	/* 1 msec delay */
		}
	}

	/* TODO!
	 *  Cleanup all event stuff for this IOC; re-issue EventNotification
	 *  request if needed.
	 */
	if (ioc->facts.Function)
		ioc->facts.EventState = 0;

	return 0;
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
4190 4191 4192 4193 4194 4195
/**
 *	initChainBuffers - Allocate memory for and initialize chain buffers
 *	@ioc: Pointer to MPT_ADAPTER structure
 *
 *	Allocates memory for and initializes chain buffers,
 *	chain buffer control arrays and spinlock.
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 */
static int
initChainBuffers(MPT_ADAPTER *ioc)
{
	u8		*mem;
	int		sz, ii, num_chain;
	int 		scale, num_sge, numSGE;

	/* ReqToChain size must equal the req_depth
	 * index = req_idx
	 */
	if (ioc->ReqToChain == NULL) {
		sz = ioc->req_depth * sizeof(int);
		mem = kmalloc(sz, GFP_ATOMIC);
		if (mem == NULL)
			return -1;

		ioc->ReqToChain = (int *) mem;
4214
		dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ReqToChain alloc  @ %p, sz=%d bytes\n",
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4215 4216 4217 4218 4219 4220
			 	ioc->name, mem, sz));
		mem = kmalloc(sz, GFP_ATOMIC);
		if (mem == NULL)
			return -1;

		ioc->RequestNB = (int *) mem;
4221
		dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "RequestNB alloc  @ %p, sz=%d bytes\n",
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4222 4223 4224 4225 4226 4227 4228 4229 4230 4231 4232
			 	ioc->name, mem, sz));
	}
	for (ii = 0; ii < ioc->req_depth; ii++) {
		ioc->ReqToChain[ii] = MPT_HOST_NO_CHAIN;
	}

	/* ChainToChain size must equal the total number
	 * of chain buffers to be allocated.
	 * index = chain_idx
	 *
	 * Calculate the number of chain buffers needed(plus 1) per I/O
4233
	 * then multiply the maximum number of simultaneous cmds
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	 *
	 * num_sge = num sge in request frame + last chain buffer
	 * scale = num sge per chain buffer if no chain element
	 */
4238 4239 4240
	scale = ioc->req_sz / ioc->SGE_size;
	if (ioc->sg_addr_size == sizeof(u64))
		num_sge =  scale + (ioc->req_sz - 60) / ioc->SGE_size;
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	else
4242
		num_sge =  1 + scale + (ioc->req_sz - 64) / ioc->SGE_size;
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4244
	if (ioc->sg_addr_size == sizeof(u64)) {
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		numSGE = (scale - 1) * (ioc->facts.MaxChainDepth-1) + scale +
4246
			(ioc->req_sz - 60) / ioc->SGE_size;
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	} else {
4248 4249
		numSGE = 1 + (scale - 1) * (ioc->facts.MaxChainDepth-1) +
		    scale + (ioc->req_sz - 64) / ioc->SGE_size;
L
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4250
	}
4251
	dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "num_sge=%d numSGE=%d\n",
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4252 4253 4254 4255 4256 4257 4258 4259 4260 4261 4262 4263
		ioc->name, num_sge, numSGE));

	if ( numSGE > MPT_SCSI_SG_DEPTH	)
		numSGE = MPT_SCSI_SG_DEPTH;

	num_chain = 1;
	while (numSGE - num_sge > 0) {
		num_chain++;
		num_sge += (scale - 1);
	}
	num_chain++;

4264
	dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Now numSGE=%d num_sge=%d num_chain=%d\n",
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4265 4266
		ioc->name, numSGE, num_sge, num_chain));

4267
	if (ioc->bus_type == SPI)
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		num_chain *= MPT_SCSI_CAN_QUEUE;
	else
		num_chain *= MPT_FC_CAN_QUEUE;

	ioc->num_chain = num_chain;

	sz = num_chain * sizeof(int);
	if (ioc->ChainToChain == NULL) {
		mem = kmalloc(sz, GFP_ATOMIC);
		if (mem == NULL)
			return -1;

		ioc->ChainToChain = (int *) mem;
4281
		dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ChainToChain alloc @ %p, sz=%d bytes\n",
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4282 4283 4284 4285 4286 4287 4288 4289 4290
			 	ioc->name, mem, sz));
	} else {
		mem = (u8 *) ioc->ChainToChain;
	}
	memset(mem, 0xFF, sz);
	return num_chain;
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
4291
/**
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4292 4293 4294 4295 4296 4297 4298 4299 4300 4301 4302 4303 4304 4305 4306 4307 4308
 *	PrimeIocFifos - Initialize IOC request and reply FIFOs.
 *	@ioc: Pointer to MPT_ADAPTER structure
 *
 *	This routine allocates memory for the MPT reply and request frame
 *	pools (if necessary), and primes the IOC reply FIFO with
 *	reply frames.
 *
 *	Returns 0 for success, non-zero for failure.
 */
static int
PrimeIocFifos(MPT_ADAPTER *ioc)
{
	MPT_FRAME_HDR *mf;
	unsigned long flags;
	dma_addr_t alloc_dma;
	u8 *mem;
	int i, reply_sz, sz, total_size, num_chain;
4309 4310 4311
	u64	dma_mask;

	dma_mask = 0;
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	/*  Prime reply FIFO...  */

	if (ioc->reply_frames == NULL) {
		if ( (num_chain = initChainBuffers(ioc)) < 0)
			return -1;
4318 4319 4320 4321 4322 4323 4324 4325 4326 4327 4328 4329 4330 4331 4332 4333 4334 4335 4336 4337 4338 4339 4340 4341 4342 4343 4344
		/*
		 * 1078 errata workaround for the 36GB limitation
		 */
		if (ioc->pcidev->device == MPI_MANUFACTPAGE_DEVID_SAS1078 &&
		    ioc->dma_mask > DMA_35BIT_MASK) {
			if (!pci_set_dma_mask(ioc->pcidev, DMA_BIT_MASK(32))
			    && !pci_set_consistent_dma_mask(ioc->pcidev,
			    DMA_BIT_MASK(32))) {
				dma_mask = DMA_35BIT_MASK;
				d36memprintk(ioc, printk(MYIOC_s_DEBUG_FMT
				    "setting 35 bit addressing for "
				    "Request/Reply/Chain and Sense Buffers\n",
				    ioc->name));
			} else {
				/*Reseting DMA mask to 64 bit*/
				pci_set_dma_mask(ioc->pcidev,
					DMA_BIT_MASK(64));
				pci_set_consistent_dma_mask(ioc->pcidev,
					DMA_BIT_MASK(64));

				printk(MYIOC_s_ERR_FMT
				    "failed setting 35 bit addressing for "
				    "Request/Reply/Chain and Sense Buffers\n",
				    ioc->name);
				return -1;
			}
		}
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4345 4346

		total_size = reply_sz = (ioc->reply_sz * ioc->reply_depth);
4347
		dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ReplyBuffer sz=%d bytes, ReplyDepth=%d\n",
L
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4348
			 	ioc->name, ioc->reply_sz, ioc->reply_depth));
4349
		dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ReplyBuffer sz=%d[%x] bytes\n",
L
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4350 4351 4352
			 	ioc->name, reply_sz, reply_sz));

		sz = (ioc->req_sz * ioc->req_depth);
4353
		dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "RequestBuffer sz=%d bytes, RequestDepth=%d\n",
L
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4354
			 	ioc->name, ioc->req_sz, ioc->req_depth));
4355
		dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "RequestBuffer sz=%d[%x] bytes\n",
L
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4356 4357 4358 4359
			 	ioc->name, sz, sz));
		total_size += sz;

		sz = num_chain * ioc->req_sz; /* chain buffer pool size */
4360
		dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ChainBuffer sz=%d bytes, ChainDepth=%d\n",
L
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4361
			 	ioc->name, ioc->req_sz, num_chain));
4362
		dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ChainBuffer sz=%d[%x] bytes num_chain=%d\n",
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4363 4364 4365 4366 4367 4368 4369 4370 4371 4372
			 	ioc->name, sz, sz, num_chain));

		total_size += sz;
		mem = pci_alloc_consistent(ioc->pcidev, total_size, &alloc_dma);
		if (mem == NULL) {
			printk(MYIOC_s_ERR_FMT "Unable to allocate Reply, Request, Chain Buffers!\n",
				ioc->name);
			goto out_fail;
		}

4373
		dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Total alloc @ %p[%p], sz=%d[%x] bytes\n",
L
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4374 4375 4376 4377 4378 4379 4380 4381 4382 4383
			 	ioc->name, mem, (void *)(ulong)alloc_dma, total_size, total_size));

		memset(mem, 0, total_size);
		ioc->alloc_total += total_size;
		ioc->alloc = mem;
		ioc->alloc_dma = alloc_dma;
		ioc->alloc_sz = total_size;
		ioc->reply_frames = (MPT_FRAME_HDR *) mem;
		ioc->reply_frames_low_dma = (u32) (alloc_dma & 0xFFFFFFFF);

4384
		dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ReplyBuffers @ %p[%p]\n",
4385 4386
	 		ioc->name, ioc->reply_frames, (void *)(ulong)alloc_dma));

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4387 4388 4389 4390 4391 4392 4393 4394
		alloc_dma += reply_sz;
		mem += reply_sz;

		/*  Request FIFO - WE manage this!  */

		ioc->req_frames = (MPT_FRAME_HDR *) mem;
		ioc->req_frames_dma = alloc_dma;

4395
		dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "RequestBuffers @ %p[%p]\n",
L
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4396 4397 4398 4399 4400 4401 4402 4403 4404 4405 4406 4407 4408
			 	ioc->name, mem, (void *)(ulong)alloc_dma));

		ioc->req_frames_low_dma = (u32) (alloc_dma & 0xFFFFFFFF);

#if defined(CONFIG_MTRR) && 0
		/*
		 *  Enable Write Combining MTRR for IOC's memory region.
		 *  (at least as much as we can; "size and base must be
		 *  multiples of 4 kiB"
		 */
		ioc->mtrr_reg = mtrr_add(ioc->req_frames_dma,
					 sz,
					 MTRR_TYPE_WRCOMB, 1);
4409
		dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "MTRR region registered (base:size=%08x:%x)\n",
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4410 4411 4412 4413 4414 4415 4416 4417 4418 4419 4420
				ioc->name, ioc->req_frames_dma, sz));
#endif

		for (i = 0; i < ioc->req_depth; i++) {
			alloc_dma += ioc->req_sz;
			mem += ioc->req_sz;
		}

		ioc->ChainBuffer = mem;
		ioc->ChainBufferDMA = alloc_dma;

4421
		dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ChainBuffers @ %p(%p)\n",
L
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4422 4423 4424 4425 4426 4427 4428 4429 4430 4431 4432 4433 4434 4435 4436 4437 4438 4439 4440 4441 4442 4443 4444 4445 4446 4447 4448 4449 4450 4451 4452 4453 4454 4455 4456 4457 4458 4459 4460 4461 4462 4463 4464 4465
			ioc->name, ioc->ChainBuffer, (void *)(ulong)ioc->ChainBufferDMA));

		/* Initialize the free chain Q.
	 	*/

		INIT_LIST_HEAD(&ioc->FreeChainQ);

		/* Post the chain buffers to the FreeChainQ.
	 	*/
		mem = (u8 *)ioc->ChainBuffer;
		for (i=0; i < num_chain; i++) {
			mf = (MPT_FRAME_HDR *) mem;
			list_add_tail(&mf->u.frame.linkage.list, &ioc->FreeChainQ);
			mem += ioc->req_sz;
		}

		/* Initialize Request frames linked list
		 */
		alloc_dma = ioc->req_frames_dma;
		mem = (u8 *) ioc->req_frames;

		spin_lock_irqsave(&ioc->FreeQlock, flags);
		INIT_LIST_HEAD(&ioc->FreeQ);
		for (i = 0; i < ioc->req_depth; i++) {
			mf = (MPT_FRAME_HDR *) mem;

			/*  Queue REQUESTs *internally*!  */
			list_add_tail(&mf->u.frame.linkage.list, &ioc->FreeQ);

			mem += ioc->req_sz;
		}
		spin_unlock_irqrestore(&ioc->FreeQlock, flags);

		sz = (ioc->req_depth * MPT_SENSE_BUFFER_ALLOC);
		ioc->sense_buf_pool =
			pci_alloc_consistent(ioc->pcidev, sz, &ioc->sense_buf_pool_dma);
		if (ioc->sense_buf_pool == NULL) {
			printk(MYIOC_s_ERR_FMT "Unable to allocate Sense Buffers!\n",
				ioc->name);
			goto out_fail;
		}

		ioc->sense_buf_low_dma = (u32) (ioc->sense_buf_pool_dma & 0xFFFFFFFF);
		ioc->alloc_total += sz;
4466
		dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "SenseBuffers @ %p[%p]\n",
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 			ioc->name, ioc->sense_buf_pool, (void *)(ulong)ioc->sense_buf_pool_dma));

	}

	/* Post Reply frames to FIFO
	 */
	alloc_dma = ioc->alloc_dma;
4474
	dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ReplyBuffers @ %p[%p]\n",
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4475 4476 4477 4478 4479 4480 4481 4482
	 	ioc->name, ioc->reply_frames, (void *)(ulong)alloc_dma));

	for (i = 0; i < ioc->reply_depth; i++) {
		/*  Write each address to the IOC!  */
		CHIPREG_WRITE32(&ioc->chip->ReplyFifo, alloc_dma);
		alloc_dma += ioc->reply_sz;
	}

4483 4484 4485 4486 4487 4488
	if (dma_mask == DMA_35BIT_MASK && !pci_set_dma_mask(ioc->pcidev,
	    ioc->dma_mask) && !pci_set_consistent_dma_mask(ioc->pcidev,
	    ioc->dma_mask))
		d36memprintk(ioc, printk(MYIOC_s_DEBUG_FMT
		    "restoring 64 bit addressing\n", ioc->name));

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4489 4490 4491 4492 4493 4494 4495 4496 4497 4498 4499 4500 4501 4502 4503 4504 4505 4506 4507
	return 0;

out_fail:
	if (ioc->alloc != NULL) {
		sz = ioc->alloc_sz;
		pci_free_consistent(ioc->pcidev,
				sz,
				ioc->alloc, ioc->alloc_dma);
		ioc->reply_frames = NULL;
		ioc->req_frames = NULL;
		ioc->alloc_total -= sz;
	}
	if (ioc->sense_buf_pool != NULL) {
		sz = (ioc->req_depth * MPT_SENSE_BUFFER_ALLOC);
		pci_free_consistent(ioc->pcidev,
				sz,
				ioc->sense_buf_pool, ioc->sense_buf_pool_dma);
		ioc->sense_buf_pool = NULL;
	}
4508 4509 4510 4511 4512 4513 4514

	if (dma_mask == DMA_35BIT_MASK && !pci_set_dma_mask(ioc->pcidev,
	    DMA_BIT_MASK(64)) && !pci_set_consistent_dma_mask(ioc->pcidev,
	    DMA_BIT_MASK(64)))
		d36memprintk(ioc, printk(MYIOC_s_DEBUG_FMT
		    "restoring 64 bit addressing\n", ioc->name));

L
Linus Torvalds 已提交
4515 4516 4517 4518 4519 4520 4521 4522 4523 4524 4525 4526 4527 4528 4529 4530 4531 4532 4533 4534 4535 4536 4537 4538
	return -1;
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/**
 *	mpt_handshake_req_reply_wait - Send MPT request to and receive reply
 *	from IOC via doorbell handshake method.
 *	@ioc: Pointer to MPT_ADAPTER structure
 *	@reqBytes: Size of the request in bytes
 *	@req: Pointer to MPT request frame
 *	@replyBytes: Expected size of the reply in bytes
 *	@u16reply: Pointer to area where reply should be written
 *	@maxwait: Max wait time for a reply (in seconds)
 *	@sleepFlag: Specifies whether the process can sleep
 *
 *	NOTES: It is the callers responsibility to byte-swap fields in the
 *	request which are greater than 1 byte in size.  It is also the
 *	callers responsibility to byte-swap response fields which are
 *	greater than 1 byte in size.
 *
 *	Returns 0 for success, non-zero for failure.
 */
static int
mpt_handshake_req_reply_wait(MPT_ADAPTER *ioc, int reqBytes, u32 *req,
4539
		int replyBytes, u16 *u16reply, int maxwait, int sleepFlag)
L
Linus Torvalds 已提交
4540 4541 4542 4543 4544 4545 4546 4547 4548 4549 4550 4551 4552 4553 4554 4555 4556 4557 4558 4559 4560 4561 4562 4563 4564 4565 4566 4567
{
	MPIDefaultReply_t *mptReply;
	int failcnt = 0;
	int t;

	/*
	 * Get ready to cache a handshake reply
	 */
	ioc->hs_reply_idx = 0;
	mptReply = (MPIDefaultReply_t *) ioc->hs_reply;
	mptReply->MsgLength = 0;

	/*
	 * Make sure there are no doorbells (WRITE 0 to IntStatus reg),
	 * then tell IOC that we want to handshake a request of N words.
	 * (WRITE u32val to Doorbell reg).
	 */
	CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
	CHIPREG_WRITE32(&ioc->chip->Doorbell,
			((MPI_FUNCTION_HANDSHAKE<<MPI_DOORBELL_FUNCTION_SHIFT) |
			 ((reqBytes/4)<<MPI_DOORBELL_ADD_DWORDS_SHIFT)));

	/*
	 * Wait for IOC's doorbell handshake int
	 */
	if ((t = WaitForDoorbellInt(ioc, 5, sleepFlag)) < 0)
		failcnt++;

4568
	dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "HandShake request start reqBytes=%d, WaitCnt=%d%s\n",
L
Linus Torvalds 已提交
4569 4570 4571 4572 4573 4574 4575 4576 4577 4578 4579 4580 4581 4582 4583 4584 4585 4586 4587 4588 4589 4590 4591 4592 4593 4594 4595 4596 4597 4598 4599 4600 4601 4602
			ioc->name, reqBytes, t, failcnt ? " - MISSING DOORBELL HANDSHAKE!" : ""));

	/* Read doorbell and check for active bit */
	if (!(CHIPREG_READ32(&ioc->chip->Doorbell) & MPI_DOORBELL_ACTIVE))
			return -1;

	/*
	 * Clear doorbell int (WRITE 0 to IntStatus reg),
	 * then wait for IOC to ACKnowledge that it's ready for
	 * our handshake request.
	 */
	CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
	if (!failcnt && (t = WaitForDoorbellAck(ioc, 5, sleepFlag)) < 0)
		failcnt++;

	if (!failcnt) {
		int	 ii;
		u8	*req_as_bytes = (u8 *) req;

		/*
		 * Stuff request words via doorbell handshake,
		 * with ACK from IOC for each.
		 */
		for (ii = 0; !failcnt && ii < reqBytes/4; ii++) {
			u32 word = ((req_as_bytes[(ii*4) + 0] <<  0) |
				    (req_as_bytes[(ii*4) + 1] <<  8) |
				    (req_as_bytes[(ii*4) + 2] << 16) |
				    (req_as_bytes[(ii*4) + 3] << 24));

			CHIPREG_WRITE32(&ioc->chip->Doorbell, word);
			if ((t = WaitForDoorbellAck(ioc, 5, sleepFlag)) < 0)
				failcnt++;
		}

4603
		dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Handshake request frame (@%p) header\n", ioc->name, req));
4604
		DBG_DUMP_REQUEST_FRAME_HDR(ioc, (u32 *)req);
L
Linus Torvalds 已提交
4605

4606
		dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "HandShake request post done, WaitCnt=%d%s\n",
L
Linus Torvalds 已提交
4607 4608 4609 4610 4611 4612 4613
				ioc->name, t, failcnt ? " - MISSING DOORBELL ACK!" : ""));

		/*
		 * Wait for completion of doorbell handshake reply from the IOC
		 */
		if (!failcnt && (t = WaitForDoorbellReply(ioc, maxwait, sleepFlag)) < 0)
			failcnt++;
4614

4615
		dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "HandShake reply count=%d%s\n",
L
Linus Torvalds 已提交
4616 4617 4618 4619 4620 4621 4622 4623 4624 4625 4626 4627 4628 4629 4630
				ioc->name, t, failcnt ? " - MISSING DOORBELL REPLY!" : ""));

		/*
		 * Copy out the cached reply...
		 */
		for (ii=0; ii < min(replyBytes/2,mptReply->MsgLength*2); ii++)
			u16reply[ii] = ioc->hs_reply[ii];
	} else {
		return -99;
	}

	return -failcnt;
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
4631 4632
/**
 *	WaitForDoorbellAck - Wait for IOC doorbell handshake acknowledge
L
Linus Torvalds 已提交
4633 4634 4635 4636 4637
 *	@ioc: Pointer to MPT_ADAPTER structure
 *	@howlong: How long to wait (in seconds)
 *	@sleepFlag: Specifies whether the process can sleep
 *
 *	This routine waits (up to ~2 seconds max) for IOC doorbell
4638 4639
 *	handshake ACKnowledge, indicated by the IOP_DOORBELL_STATUS
 *	bit in its IntStatus register being clear.
L
Linus Torvalds 已提交
4640 4641 4642 4643 4644 4645 4646 4647 4648 4649
 *
 *	Returns a negative value on failure, else wait loop count.
 */
static int
WaitForDoorbellAck(MPT_ADAPTER *ioc, int howlong, int sleepFlag)
{
	int cntdn;
	int count = 0;
	u32 intstat=0;

4650
	cntdn = 1000 * howlong;
L
Linus Torvalds 已提交
4651 4652 4653

	if (sleepFlag == CAN_SLEEP) {
		while (--cntdn) {
4654
			msleep (1);
L
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4655 4656 4657 4658 4659 4660 4661
			intstat = CHIPREG_READ32(&ioc->chip->IntStatus);
			if (! (intstat & MPI_HIS_IOP_DOORBELL_STATUS))
				break;
			count++;
		}
	} else {
		while (--cntdn) {
4662
			udelay (1000);
L
Linus Torvalds 已提交
4663 4664 4665 4666 4667 4668 4669 4670
			intstat = CHIPREG_READ32(&ioc->chip->IntStatus);
			if (! (intstat & MPI_HIS_IOP_DOORBELL_STATUS))
				break;
			count++;
		}
	}

	if (cntdn) {
4671
		dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "WaitForDoorbell ACK (count=%d)\n",
L
Linus Torvalds 已提交
4672 4673 4674 4675 4676 4677 4678 4679 4680 4681
				ioc->name, count));
		return count;
	}

	printk(MYIOC_s_ERR_FMT "Doorbell ACK timeout (count=%d), IntStatus=%x!\n",
			ioc->name, count, intstat);
	return -1;
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
4682 4683
/**
 *	WaitForDoorbellInt - Wait for IOC to set its doorbell interrupt bit
L
Linus Torvalds 已提交
4684 4685 4686 4687
 *	@ioc: Pointer to MPT_ADAPTER structure
 *	@howlong: How long to wait (in seconds)
 *	@sleepFlag: Specifies whether the process can sleep
 *
4688 4689
 *	This routine waits (up to ~2 seconds max) for IOC doorbell interrupt
 *	(MPI_HIS_DOORBELL_INTERRUPT) to be set in the IntStatus register.
L
Linus Torvalds 已提交
4690 4691 4692 4693 4694 4695 4696 4697 4698 4699
 *
 *	Returns a negative value on failure, else wait loop count.
 */
static int
WaitForDoorbellInt(MPT_ADAPTER *ioc, int howlong, int sleepFlag)
{
	int cntdn;
	int count = 0;
	u32 intstat=0;

4700
	cntdn = 1000 * howlong;
L
Linus Torvalds 已提交
4701 4702 4703 4704 4705
	if (sleepFlag == CAN_SLEEP) {
		while (--cntdn) {
			intstat = CHIPREG_READ32(&ioc->chip->IntStatus);
			if (intstat & MPI_HIS_DOORBELL_INTERRUPT)
				break;
4706
			msleep(1);
L
Linus Torvalds 已提交
4707 4708 4709 4710 4711 4712 4713
			count++;
		}
	} else {
		while (--cntdn) {
			intstat = CHIPREG_READ32(&ioc->chip->IntStatus);
			if (intstat & MPI_HIS_DOORBELL_INTERRUPT)
				break;
4714
			udelay (1000);
L
Linus Torvalds 已提交
4715 4716 4717 4718 4719
			count++;
		}
	}

	if (cntdn) {
4720
		dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "WaitForDoorbell INT (cnt=%d) howlong=%d\n",
L
Linus Torvalds 已提交
4721 4722 4723 4724 4725 4726 4727 4728 4729 4730
				ioc->name, count, howlong));
		return count;
	}

	printk(MYIOC_s_ERR_FMT "Doorbell INT timeout (count=%d), IntStatus=%x!\n",
			ioc->name, count, intstat);
	return -1;
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
4731 4732
/**
 *	WaitForDoorbellReply - Wait for and capture an IOC handshake reply.
L
Linus Torvalds 已提交
4733 4734 4735 4736 4737 4738 4739 4740 4741 4742 4743 4744 4745 4746 4747 4748 4749 4750 4751 4752 4753 4754 4755 4756 4757 4758 4759 4760 4761 4762 4763 4764 4765 4766 4767 4768 4769 4770 4771
 *	@ioc: Pointer to MPT_ADAPTER structure
 *	@howlong: How long to wait (in seconds)
 *	@sleepFlag: Specifies whether the process can sleep
 *
 *	This routine polls the IOC for a handshake reply, 16 bits at a time.
 *	Reply is cached to IOC private area large enough to hold a maximum
 *	of 128 bytes of reply data.
 *
 *	Returns a negative value on failure, else size of reply in WORDS.
 */
static int
WaitForDoorbellReply(MPT_ADAPTER *ioc, int howlong, int sleepFlag)
{
	int u16cnt = 0;
	int failcnt = 0;
	int t;
	u16 *hs_reply = ioc->hs_reply;
	volatile MPIDefaultReply_t *mptReply = (MPIDefaultReply_t *) ioc->hs_reply;
	u16 hword;

	hs_reply[0] = hs_reply[1] = hs_reply[7] = 0;

	/*
	 * Get first two u16's so we can look at IOC's intended reply MsgLength
	 */
	u16cnt=0;
	if ((t = WaitForDoorbellInt(ioc, howlong, sleepFlag)) < 0) {
		failcnt++;
	} else {
		hs_reply[u16cnt++] = le16_to_cpu(CHIPREG_READ32(&ioc->chip->Doorbell) & 0x0000FFFF);
		CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
		if ((t = WaitForDoorbellInt(ioc, 5, sleepFlag)) < 0)
			failcnt++;
		else {
			hs_reply[u16cnt++] = le16_to_cpu(CHIPREG_READ32(&ioc->chip->Doorbell) & 0x0000FFFF);
			CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
		}
	}

4772
	dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "WaitCnt=%d First handshake reply word=%08x%s\n",
4773
			ioc->name, t, le32_to_cpu(*(u32 *)hs_reply),
L
Linus Torvalds 已提交
4774 4775 4776 4777 4778 4779 4780 4781 4782 4783 4784
			failcnt ? " - MISSING DOORBELL HANDSHAKE!" : ""));

	/*
	 * If no error (and IOC said MsgLength is > 0), piece together
	 * reply 16 bits at a time.
	 */
	for (u16cnt=2; !failcnt && u16cnt < (2 * mptReply->MsgLength); u16cnt++) {
		if ((t = WaitForDoorbellInt(ioc, 5, sleepFlag)) < 0)
			failcnt++;
		hword = le16_to_cpu(CHIPREG_READ32(&ioc->chip->Doorbell) & 0x0000FFFF);
		/* don't overflow our IOC hs_reply[] buffer! */
J
Julia Lawall 已提交
4785
		if (u16cnt < ARRAY_SIZE(ioc->hs_reply))
L
Linus Torvalds 已提交
4786 4787 4788 4789 4790 4791 4792 4793 4794 4795 4796 4797 4798 4799 4800 4801 4802 4803 4804 4805 4806 4807
			hs_reply[u16cnt] = hword;
		CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
	}

	if (!failcnt && (t = WaitForDoorbellInt(ioc, 5, sleepFlag)) < 0)
		failcnt++;
	CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);

	if (failcnt) {
		printk(MYIOC_s_ERR_FMT "Handshake reply failure!\n",
				ioc->name);
		return -failcnt;
	}
#if 0
	else if (u16cnt != (2 * mptReply->MsgLength)) {
		return -101;
	}
	else if ((mptReply->IOCStatus & MPI_IOCSTATUS_MASK) != MPI_IOCSTATUS_SUCCESS) {
		return -102;
	}
#endif

4808
	dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Got Handshake reply:\n", ioc->name));
4809
	DBG_DUMP_REPLY_FRAME(ioc, (u32 *)mptReply);
L
Linus Torvalds 已提交
4810

4811
	dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "WaitForDoorbell REPLY WaitCnt=%d (sz=%d)\n",
L
Linus Torvalds 已提交
4812 4813 4814 4815 4816
			ioc->name, t, u16cnt/2));
	return u16cnt/2;
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
4817
/**
L
Linus Torvalds 已提交
4818 4819 4820 4821 4822 4823 4824 4825 4826 4827 4828 4829 4830 4831 4832 4833 4834 4835 4836 4837 4838 4839 4840 4841 4842 4843 4844
 *	GetLanConfigPages - Fetch LANConfig pages.
 *	@ioc: Pointer to MPT_ADAPTER structure
 *
 *	Return: 0 for success
 *	-ENOMEM if no memory available
 *		-EPERM if not allowed due to ISR context
 *		-EAGAIN if no msg frames currently available
 *		-EFAULT for non-successful reply or no reply (timeout)
 */
static int
GetLanConfigPages(MPT_ADAPTER *ioc)
{
	ConfigPageHeader_t	 hdr;
	CONFIGPARMS		 cfg;
	LANPage0_t		*ppage0_alloc;
	dma_addr_t		 page0_dma;
	LANPage1_t		*ppage1_alloc;
	dma_addr_t		 page1_dma;
	int			 rc = 0;
	int			 data_sz;
	int			 copy_sz;

	/* Get LAN Page 0 header */
	hdr.PageVersion = 0;
	hdr.PageLength = 0;
	hdr.PageNumber = 0;
	hdr.PageType = MPI_CONFIG_PAGETYPE_LAN;
4845
	cfg.cfghdr.hdr = &hdr;
L
Linus Torvalds 已提交
4846 4847 4848 4849 4850 4851 4852 4853 4854 4855 4856 4857 4858 4859 4860 4861 4862 4863 4864 4865 4866 4867 4868 4869 4870 4871 4872 4873 4874 4875 4876 4877 4878 4879 4880 4881 4882 4883 4884 4885 4886 4887 4888
	cfg.physAddr = -1;
	cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
	cfg.dir = 0;
	cfg.pageAddr = 0;
	cfg.timeout = 0;

	if ((rc = mpt_config(ioc, &cfg)) != 0)
		return rc;

	if (hdr.PageLength > 0) {
		data_sz = hdr.PageLength * 4;
		ppage0_alloc = (LANPage0_t *) pci_alloc_consistent(ioc->pcidev, data_sz, &page0_dma);
		rc = -ENOMEM;
		if (ppage0_alloc) {
			memset((u8 *)ppage0_alloc, 0, data_sz);
			cfg.physAddr = page0_dma;
			cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;

			if ((rc = mpt_config(ioc, &cfg)) == 0) {
				/* save the data */
				copy_sz = min_t(int, sizeof(LANPage0_t), data_sz);
				memcpy(&ioc->lan_cnfg_page0, ppage0_alloc, copy_sz);

			}

			pci_free_consistent(ioc->pcidev, data_sz, (u8 *) ppage0_alloc, page0_dma);

			/* FIXME!
			 *	Normalize endianness of structure data,
			 *	by byte-swapping all > 1 byte fields!
			 */

		}

		if (rc)
			return rc;
	}

	/* Get LAN Page 1 header */
	hdr.PageVersion = 0;
	hdr.PageLength = 0;
	hdr.PageNumber = 1;
	hdr.PageType = MPI_CONFIG_PAGETYPE_LAN;
4889
	cfg.cfghdr.hdr = &hdr;
L
Linus Torvalds 已提交
4890 4891 4892 4893 4894 4895 4896 4897 4898 4899 4900 4901 4902 4903 4904 4905 4906 4907 4908 4909 4910 4911 4912 4913 4914 4915 4916 4917 4918 4919 4920 4921 4922 4923 4924 4925 4926
	cfg.physAddr = -1;
	cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
	cfg.dir = 0;
	cfg.pageAddr = 0;

	if ((rc = mpt_config(ioc, &cfg)) != 0)
		return rc;

	if (hdr.PageLength == 0)
		return 0;

	data_sz = hdr.PageLength * 4;
	rc = -ENOMEM;
	ppage1_alloc = (LANPage1_t *) pci_alloc_consistent(ioc->pcidev, data_sz, &page1_dma);
	if (ppage1_alloc) {
		memset((u8 *)ppage1_alloc, 0, data_sz);
		cfg.physAddr = page1_dma;
		cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;

		if ((rc = mpt_config(ioc, &cfg)) == 0) {
			/* save the data */
			copy_sz = min_t(int, sizeof(LANPage1_t), data_sz);
			memcpy(&ioc->lan_cnfg_page1, ppage1_alloc, copy_sz);
		}

		pci_free_consistent(ioc->pcidev, data_sz, (u8 *) ppage1_alloc, page1_dma);

		/* FIXME!
		 *	Normalize endianness of structure data,
		 *	by byte-swapping all > 1 byte fields!
		 */

	}

	return rc;
}

4927
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
4928 4929
/**
 *	mptbase_sas_persist_operation - Perform operation on SAS Persistent Table
4930 4931 4932 4933 4934 4935 4936 4937 4938
 *	@ioc: Pointer to MPT_ADAPTER structure
 *	@persist_opcode: see below
 *
 *	MPI_SAS_OP_CLEAR_NOT_PRESENT - Free all persist TargetID mappings for
 *		devices not currently present.
 *	MPI_SAS_OP_CLEAR_ALL_PERSISTENT - Clear al persist TargetID mappings
 *
 *	NOTE: Don't use not this function during interrupt time.
 *
4939
 *	Returns 0 for success, non-zero error
4940 4941 4942 4943 4944 4945 4946 4947 4948 4949 4950 4951 4952 4953 4954 4955 4956 4957 4958 4959 4960 4961 4962 4963
 */

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
int
mptbase_sas_persist_operation(MPT_ADAPTER *ioc, u8 persist_opcode)
{
	SasIoUnitControlRequest_t	*sasIoUnitCntrReq;
	SasIoUnitControlReply_t		*sasIoUnitCntrReply;
	MPT_FRAME_HDR			*mf = NULL;
	MPIHeader_t			*mpi_hdr;


	/* insure garbage is not sent to fw */
	switch(persist_opcode) {

	case MPI_SAS_OP_CLEAR_NOT_PRESENT:
	case MPI_SAS_OP_CLEAR_ALL_PERSISTENT:
		break;

	default:
		return -1;
		break;
	}

4964
	printk("%s: persist_opcode=%x\n",__func__, persist_opcode);
4965 4966 4967 4968

	/* Get a MF for this command.
	 */
	if ((mf = mpt_get_msg_frame(mpt_base_index, ioc)) == NULL) {
4969
		printk("%s: no msg frames!\n",__func__);
4970 4971 4972 4973 4974 4975 4976 4977 4978 4979 4980 4981 4982 4983 4984 4985 4986 4987 4988 4989 4990 4991 4992
		return -1;
        }

	mpi_hdr = (MPIHeader_t *) mf;
	sasIoUnitCntrReq = (SasIoUnitControlRequest_t *)mf;
	memset(sasIoUnitCntrReq,0,sizeof(SasIoUnitControlRequest_t));
	sasIoUnitCntrReq->Function = MPI_FUNCTION_SAS_IO_UNIT_CONTROL;
	sasIoUnitCntrReq->MsgContext = mpi_hdr->MsgContext;
	sasIoUnitCntrReq->Operation = persist_opcode;

	init_timer(&ioc->persist_timer);
	ioc->persist_timer.data = (unsigned long) ioc;
	ioc->persist_timer.function = mpt_timer_expired;
	ioc->persist_timer.expires = jiffies + HZ*10 /* 10 sec */;
	ioc->persist_wait_done=0;
	add_timer(&ioc->persist_timer);
	mpt_put_msg_frame(mpt_base_index, ioc, mf);
	wait_event(mpt_waitq, ioc->persist_wait_done);

	sasIoUnitCntrReply =
	    (SasIoUnitControlReply_t *)ioc->persist_reply_frame;
	if (le16_to_cpu(sasIoUnitCntrReply->IOCStatus) != MPI_IOCSTATUS_SUCCESS) {
		printk("%s: IOCStatus=0x%X IOCLogInfo=0x%X\n",
4993
		    __func__,
4994 4995 4996 4997 4998
		    sasIoUnitCntrReply->IOCStatus,
		    sasIoUnitCntrReply->IOCLogInfo);
		return -1;
	}

4999
	printk("%s: success\n",__func__);
5000 5001 5002
	return 0;
}

5003 5004 5005 5006 5007 5008 5009 5010 5011 5012 5013 5014 5015 5016 5017 5018 5019 5020 5021 5022 5023 5024 5025 5026 5027 5028 5029
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/

static void
mptbase_raid_process_event_data(MPT_ADAPTER *ioc,
    MpiEventDataRaid_t * pRaidEventData)
{
	int 	volume;
	int 	reason;
	int 	disk;
	int 	status;
	int 	flags;
	int 	state;

	volume	= pRaidEventData->VolumeID;
	reason	= pRaidEventData->ReasonCode;
	disk	= pRaidEventData->PhysDiskNum;
	status	= le32_to_cpu(pRaidEventData->SettingsStatus);
	flags	= (status >> 0) & 0xff;
	state	= (status >> 8) & 0xff;

	if (reason == MPI_EVENT_RAID_RC_DOMAIN_VAL_NEEDED) {
		return;
	}

	if ((reason >= MPI_EVENT_RAID_RC_PHYSDISK_CREATED &&
	     reason <= MPI_EVENT_RAID_RC_PHYSDISK_STATUS_CHANGED) ||
	    (reason == MPI_EVENT_RAID_RC_SMART_DATA)) {
5030 5031
		printk(MYIOC_s_INFO_FMT "RAID STATUS CHANGE for PhysDisk %d id=%d\n",
			ioc->name, disk, volume);
5032 5033 5034 5035 5036 5037 5038 5039 5040 5041 5042 5043 5044 5045 5046 5047 5048 5049 5050 5051 5052 5053 5054 5055 5056 5057 5058 5059 5060 5061 5062 5063 5064 5065 5066 5067 5068 5069 5070 5071 5072 5073 5074 5075 5076 5077 5078 5079 5080 5081 5082 5083 5084 5085 5086 5087 5088 5089 5090 5091 5092 5093 5094 5095 5096 5097 5098 5099 5100 5101 5102 5103 5104 5105 5106 5107 5108 5109 5110 5111 5112 5113 5114 5115 5116 5117 5118 5119 5120 5121 5122 5123 5124 5125 5126 5127 5128 5129 5130 5131 5132 5133 5134
	} else {
		printk(MYIOC_s_INFO_FMT "RAID STATUS CHANGE for VolumeID %d\n",
			ioc->name, volume);
	}

	switch(reason) {
	case MPI_EVENT_RAID_RC_VOLUME_CREATED:
		printk(MYIOC_s_INFO_FMT "  volume has been created\n",
			ioc->name);
		break;

	case MPI_EVENT_RAID_RC_VOLUME_DELETED:

		printk(MYIOC_s_INFO_FMT "  volume has been deleted\n",
			ioc->name);
		break;

	case MPI_EVENT_RAID_RC_VOLUME_SETTINGS_CHANGED:
		printk(MYIOC_s_INFO_FMT "  volume settings have been changed\n",
			ioc->name);
		break;

	case MPI_EVENT_RAID_RC_VOLUME_STATUS_CHANGED:
		printk(MYIOC_s_INFO_FMT "  volume is now %s%s%s%s\n",
			ioc->name,
			state == MPI_RAIDVOL0_STATUS_STATE_OPTIMAL
			 ? "optimal"
			 : state == MPI_RAIDVOL0_STATUS_STATE_DEGRADED
			  ? "degraded"
			  : state == MPI_RAIDVOL0_STATUS_STATE_FAILED
			   ? "failed"
			   : "state unknown",
			flags & MPI_RAIDVOL0_STATUS_FLAG_ENABLED
			 ? ", enabled" : "",
			flags & MPI_RAIDVOL0_STATUS_FLAG_QUIESCED
			 ? ", quiesced" : "",
			flags & MPI_RAIDVOL0_STATUS_FLAG_RESYNC_IN_PROGRESS
			 ? ", resync in progress" : "" );
		break;

	case MPI_EVENT_RAID_RC_VOLUME_PHYSDISK_CHANGED:
		printk(MYIOC_s_INFO_FMT "  volume membership of PhysDisk %d has changed\n",
			ioc->name, disk);
		break;

	case MPI_EVENT_RAID_RC_PHYSDISK_CREATED:
		printk(MYIOC_s_INFO_FMT "  PhysDisk has been created\n",
			ioc->name);
		break;

	case MPI_EVENT_RAID_RC_PHYSDISK_DELETED:
		printk(MYIOC_s_INFO_FMT "  PhysDisk has been deleted\n",
			ioc->name);
		break;

	case MPI_EVENT_RAID_RC_PHYSDISK_SETTINGS_CHANGED:
		printk(MYIOC_s_INFO_FMT "  PhysDisk settings have been changed\n",
			ioc->name);
		break;

	case MPI_EVENT_RAID_RC_PHYSDISK_STATUS_CHANGED:
		printk(MYIOC_s_INFO_FMT "  PhysDisk is now %s%s%s\n",
			ioc->name,
			state == MPI_PHYSDISK0_STATUS_ONLINE
			 ? "online"
			 : state == MPI_PHYSDISK0_STATUS_MISSING
			  ? "missing"
			  : state == MPI_PHYSDISK0_STATUS_NOT_COMPATIBLE
			   ? "not compatible"
			   : state == MPI_PHYSDISK0_STATUS_FAILED
			    ? "failed"
			    : state == MPI_PHYSDISK0_STATUS_INITIALIZING
			     ? "initializing"
			     : state == MPI_PHYSDISK0_STATUS_OFFLINE_REQUESTED
			      ? "offline requested"
			      : state == MPI_PHYSDISK0_STATUS_FAILED_REQUESTED
			       ? "failed requested"
			       : state == MPI_PHYSDISK0_STATUS_OTHER_OFFLINE
			        ? "offline"
			        : "state unknown",
			flags & MPI_PHYSDISK0_STATUS_FLAG_OUT_OF_SYNC
			 ? ", out of sync" : "",
			flags & MPI_PHYSDISK0_STATUS_FLAG_QUIESCED
			 ? ", quiesced" : "" );
		break;

	case MPI_EVENT_RAID_RC_DOMAIN_VAL_NEEDED:
		printk(MYIOC_s_INFO_FMT "  Domain Validation needed for PhysDisk %d\n",
			ioc->name, disk);
		break;

	case MPI_EVENT_RAID_RC_SMART_DATA:
		printk(MYIOC_s_INFO_FMT "  SMART data received, ASC/ASCQ = %02xh/%02xh\n",
			ioc->name, pRaidEventData->ASC, pRaidEventData->ASCQ);
		break;

	case MPI_EVENT_RAID_RC_REPLACE_ACTION_STARTED:
		printk(MYIOC_s_INFO_FMT "  replacement of PhysDisk %d has started\n",
			ioc->name, disk);
		break;
	}
}

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5135
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
5136
/**
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5137 5138 5139 5140 5141 5142 5143 5144 5145 5146 5147 5148 5149 5150 5151 5152 5153 5154 5155 5156 5157 5158 5159 5160
 *	GetIoUnitPage2 - Retrieve BIOS version and boot order information.
 *	@ioc: Pointer to MPT_ADAPTER structure
 *
 *	Returns: 0 for success
 *	-ENOMEM if no memory available
 *		-EPERM if not allowed due to ISR context
 *		-EAGAIN if no msg frames currently available
 *		-EFAULT for non-successful reply or no reply (timeout)
 */
static int
GetIoUnitPage2(MPT_ADAPTER *ioc)
{
	ConfigPageHeader_t	 hdr;
	CONFIGPARMS		 cfg;
	IOUnitPage2_t		*ppage_alloc;
	dma_addr_t		 page_dma;
	int			 data_sz;
	int			 rc;

	/* Get the page header */
	hdr.PageVersion = 0;
	hdr.PageLength = 0;
	hdr.PageNumber = 2;
	hdr.PageType = MPI_CONFIG_PAGETYPE_IO_UNIT;
5161
	cfg.cfghdr.hdr = &hdr;
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5162 5163 5164 5165 5166 5167 5168 5169 5170 5171 5172 5173 5174 5175 5176 5177 5178 5179 5180 5181 5182 5183 5184 5185 5186 5187 5188 5189 5190 5191 5192 5193
	cfg.physAddr = -1;
	cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
	cfg.dir = 0;
	cfg.pageAddr = 0;
	cfg.timeout = 0;

	if ((rc = mpt_config(ioc, &cfg)) != 0)
		return rc;

	if (hdr.PageLength == 0)
		return 0;

	/* Read the config page */
	data_sz = hdr.PageLength * 4;
	rc = -ENOMEM;
	ppage_alloc = (IOUnitPage2_t *) pci_alloc_consistent(ioc->pcidev, data_sz, &page_dma);
	if (ppage_alloc) {
		memset((u8 *)ppage_alloc, 0, data_sz);
		cfg.physAddr = page_dma;
		cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;

		/* If Good, save data */
		if ((rc = mpt_config(ioc, &cfg)) == 0)
			ioc->biosVersion = le32_to_cpu(ppage_alloc->BiosVersion);

		pci_free_consistent(ioc->pcidev, data_sz, (u8 *) ppage_alloc, page_dma);
	}

	return rc;
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
5194 5195
/**
 *	mpt_GetScsiPortSettings - read SCSI Port Page 0 and 2
L
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5196 5197 5198 5199 5200 5201 5202 5203 5204 5205 5206 5207 5208 5209 5210 5211 5212 5213 5214 5215 5216 5217 5218 5219 5220 5221 5222 5223 5224 5225 5226 5227 5228 5229 5230 5231 5232 5233 5234 5235
 *	@ioc: Pointer to a Adapter Strucutre
 *	@portnum: IOC port number
 *
 *	Return: -EFAULT if read of config page header fails
 *			or if no nvram
 *	If read of SCSI Port Page 0 fails,
 *		NVRAM = MPT_HOST_NVRAM_INVALID  (0xFFFFFFFF)
 *		Adapter settings: async, narrow
 *		Return 1
 *	If read of SCSI Port Page 2 fails,
 *		Adapter settings valid
 *		NVRAM = MPT_HOST_NVRAM_INVALID  (0xFFFFFFFF)
 *		Return 1
 *	Else
 *		Both valid
 *		Return 0
 *	CHECK - what type of locking mechanisms should be used????
 */
static int
mpt_GetScsiPortSettings(MPT_ADAPTER *ioc, int portnum)
{
	u8			*pbuf;
	dma_addr_t		 buf_dma;
	CONFIGPARMS		 cfg;
	ConfigPageHeader_t	 header;
	int			 ii;
	int			 data, rc = 0;

	/* Allocate memory
	 */
	if (!ioc->spi_data.nvram) {
		int	 sz;
		u8	*mem;
		sz = MPT_MAX_SCSI_DEVICES * sizeof(int);
		mem = kmalloc(sz, GFP_ATOMIC);
		if (mem == NULL)
			return -EFAULT;

		ioc->spi_data.nvram = (int *) mem;

5236
		dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "SCSI device NVRAM settings @ %p, sz=%d\n",
L
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5237 5238 5239 5240 5241 5242 5243 5244 5245 5246 5247 5248 5249 5250 5251
			ioc->name, ioc->spi_data.nvram, sz));
	}

	/* Invalidate NVRAM information
	 */
	for (ii=0; ii < MPT_MAX_SCSI_DEVICES; ii++) {
		ioc->spi_data.nvram[ii] = MPT_HOST_NVRAM_INVALID;
	}

	/* Read SPP0 header, allocate memory, then read page.
	 */
	header.PageVersion = 0;
	header.PageLength = 0;
	header.PageNumber = 0;
	header.PageType = MPI_CONFIG_PAGETYPE_SCSI_PORT;
5252
	cfg.cfghdr.hdr = &header;
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5253 5254 5255 5256 5257 5258 5259 5260 5261 5262 5263 5264 5265 5266 5267 5268 5269 5270 5271
	cfg.physAddr = -1;
	cfg.pageAddr = portnum;
	cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
	cfg.dir = 0;
	cfg.timeout = 0;	/* use default */
	if (mpt_config(ioc, &cfg) != 0)
		 return -EFAULT;

	if (header.PageLength > 0) {
		pbuf = pci_alloc_consistent(ioc->pcidev, header.PageLength * 4, &buf_dma);
		if (pbuf) {
			cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
			cfg.physAddr = buf_dma;
			if (mpt_config(ioc, &cfg) != 0) {
				ioc->spi_data.maxBusWidth = MPT_NARROW;
				ioc->spi_data.maxSyncOffset = 0;
				ioc->spi_data.minSyncFactor = MPT_ASYNC;
				ioc->spi_data.busType = MPT_HOST_BUS_UNKNOWN;
				rc = 1;
5272 5273
				ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT
					"Unable to read PortPage0 minSyncFactor=%x\n",
5274
					ioc->name, ioc->spi_data.minSyncFactor));
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5275 5276 5277 5278 5279 5280 5281 5282 5283
			} else {
				/* Save the Port Page 0 data
				 */
				SCSIPortPage0_t  *pPP0 = (SCSIPortPage0_t  *) pbuf;
				pPP0->Capabilities = le32_to_cpu(pPP0->Capabilities);
				pPP0->PhysicalInterface = le32_to_cpu(pPP0->PhysicalInterface);

				if ( (pPP0->Capabilities & MPI_SCSIPORTPAGE0_CAP_QAS) == 0 ) {
					ioc->spi_data.noQas |= MPT_TARGET_NO_NEGO_QAS;
5284 5285
					ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT
						"noQas due to Capabilities=%x\n",
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5286 5287 5288 5289 5290 5291 5292 5293
						ioc->name, pPP0->Capabilities));
				}
				ioc->spi_data.maxBusWidth = pPP0->Capabilities & MPI_SCSIPORTPAGE0_CAP_WIDE ? 1 : 0;
				data = pPP0->Capabilities & MPI_SCSIPORTPAGE0_CAP_MAX_SYNC_OFFSET_MASK;
				if (data) {
					ioc->spi_data.maxSyncOffset = (u8) (data >> 16);
					data = pPP0->Capabilities & MPI_SCSIPORTPAGE0_CAP_MIN_SYNC_PERIOD_MASK;
					ioc->spi_data.minSyncFactor = (u8) (data >> 8);
5294 5295
					ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT
						"PortPage0 minSyncFactor=%x\n",
5296
						ioc->name, ioc->spi_data.minSyncFactor));
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5297 5298 5299 5300 5301 5302 5303 5304 5305 5306 5307 5308
				} else {
					ioc->spi_data.maxSyncOffset = 0;
					ioc->spi_data.minSyncFactor = MPT_ASYNC;
				}

				ioc->spi_data.busType = pPP0->PhysicalInterface & MPI_SCSIPORTPAGE0_PHY_SIGNAL_TYPE_MASK;

				/* Update the minSyncFactor based on bus type.
				 */
				if ((ioc->spi_data.busType == MPI_SCSIPORTPAGE0_PHY_SIGNAL_HVD) ||
					(ioc->spi_data.busType == MPI_SCSIPORTPAGE0_PHY_SIGNAL_SE))  {

5309
					if (ioc->spi_data.minSyncFactor < MPT_ULTRA) {
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5310
						ioc->spi_data.minSyncFactor = MPT_ULTRA;
5311 5312
						ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT
							"HVD or SE detected, minSyncFactor=%x\n",
5313 5314
							ioc->name, ioc->spi_data.minSyncFactor));
					}
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5315 5316 5317 5318 5319 5320 5321 5322 5323 5324 5325 5326 5327 5328
				}
			}
			if (pbuf) {
				pci_free_consistent(ioc->pcidev, header.PageLength * 4, pbuf, buf_dma);
			}
		}
	}

	/* SCSI Port Page 2 - Read the header then the page.
	 */
	header.PageVersion = 0;
	header.PageLength = 0;
	header.PageNumber = 2;
	header.PageType = MPI_CONFIG_PAGETYPE_SCSI_PORT;
5329
	cfg.cfghdr.hdr = &header;
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5330 5331 5332 5333 5334 5335 5336 5337 5338 5339 5340 5341 5342 5343 5344 5345 5346 5347
	cfg.physAddr = -1;
	cfg.pageAddr = portnum;
	cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
	cfg.dir = 0;
	if (mpt_config(ioc, &cfg) != 0)
		return -EFAULT;

	if (header.PageLength > 0) {
		/* Allocate memory and read SCSI Port Page 2
		 */
		pbuf = pci_alloc_consistent(ioc->pcidev, header.PageLength * 4, &buf_dma);
		if (pbuf) {
			cfg.action = MPI_CONFIG_ACTION_PAGE_READ_NVRAM;
			cfg.physAddr = buf_dma;
			if (mpt_config(ioc, &cfg) != 0) {
				/* Nvram data is left with INVALID mark
				 */
				rc = 1;
5348 5349 5350 5351 5352 5353 5354 5355 5356 5357 5358 5359 5360 5361 5362 5363 5364 5365 5366 5367 5368 5369 5370 5371 5372 5373 5374 5375 5376 5377 5378 5379
			} else if (ioc->pcidev->vendor == PCI_VENDOR_ID_ATTO) {

				/* This is an ATTO adapter, read Page2 accordingly
				*/
				ATTO_SCSIPortPage2_t *pPP2 = (ATTO_SCSIPortPage2_t  *) pbuf;
				ATTODeviceInfo_t *pdevice = NULL;
				u16 ATTOFlags;

				/* Save the Port Page 2 data
				 * (reformat into a 32bit quantity)
				 */
				for (ii=0; ii < MPT_MAX_SCSI_DEVICES; ii++) {
				  pdevice = &pPP2->DeviceSettings[ii];
				  ATTOFlags = le16_to_cpu(pdevice->ATTOFlags);
				  data = 0;

				  /* Translate ATTO device flags to LSI format
				   */
				  if (ATTOFlags & ATTOFLAG_DISC)
				    data |= (MPI_SCSIPORTPAGE2_DEVICE_DISCONNECT_ENABLE);
				  if (ATTOFlags & ATTOFLAG_ID_ENB)
				    data |= (MPI_SCSIPORTPAGE2_DEVICE_ID_SCAN_ENABLE);
				  if (ATTOFlags & ATTOFLAG_LUN_ENB)
				    data |= (MPI_SCSIPORTPAGE2_DEVICE_LUN_SCAN_ENABLE);
				  if (ATTOFlags & ATTOFLAG_TAGGED)
				    data |= (MPI_SCSIPORTPAGE2_DEVICE_TAG_QUEUE_ENABLE);
				  if (!(ATTOFlags & ATTOFLAG_WIDE_ENB))
				    data |= (MPI_SCSIPORTPAGE2_DEVICE_WIDE_DISABLE);

				  data = (data << 16) | (pdevice->Period << 8) | 10;
				  ioc->spi_data.nvram[ii] = data;
				}
L
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5380 5381 5382 5383
			} else {
				SCSIPortPage2_t *pPP2 = (SCSIPortPage2_t  *) pbuf;
				MpiDeviceInfo_t	*pdevice = NULL;

5384 5385 5386 5387 5388 5389 5390 5391
				/*
				 * Save "Set to Avoid SCSI Bus Resets" flag
				 */
				ioc->spi_data.bus_reset =
				    (le32_to_cpu(pPP2->PortFlags) &
			        MPI_SCSIPORTPAGE2_PORT_FLAGS_AVOID_SCSI_RESET) ?
				    0 : 1 ;

L
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5392 5393 5394 5395 5396 5397 5398 5399 5400 5401 5402 5403 5404 5405 5406 5407 5408 5409 5410 5411 5412 5413 5414 5415 5416 5417
				/* Save the Port Page 2 data
				 * (reformat into a 32bit quantity)
				 */
				data = le32_to_cpu(pPP2->PortFlags) & MPI_SCSIPORTPAGE2_PORT_FLAGS_DV_MASK;
				ioc->spi_data.PortFlags = data;
				for (ii=0; ii < MPT_MAX_SCSI_DEVICES; ii++) {
					pdevice = &pPP2->DeviceSettings[ii];
					data = (le16_to_cpu(pdevice->DeviceFlags) << 16) |
						(pdevice->SyncFactor << 8) | pdevice->Timeout;
					ioc->spi_data.nvram[ii] = data;
				}
			}

			pci_free_consistent(ioc->pcidev, header.PageLength * 4, pbuf, buf_dma);
		}
	}

	/* Update Adapter limits with those from NVRAM
	 * Comment: Don't need to do this. Target performance
	 * parameters will never exceed the adapters limits.
	 */

	return rc;
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
5418 5419
/**
 *	mpt_readScsiDevicePageHeaders - save version and length of SDP1
L
Linus Torvalds 已提交
5420 5421 5422 5423 5424 5425 5426 5427 5428 5429 5430 5431 5432 5433 5434 5435 5436 5437
 *	@ioc: Pointer to a Adapter Strucutre
 *	@portnum: IOC port number
 *
 *	Return: -EFAULT if read of config page header fails
 *		or 0 if success.
 */
static int
mpt_readScsiDevicePageHeaders(MPT_ADAPTER *ioc, int portnum)
{
	CONFIGPARMS		 cfg;
	ConfigPageHeader_t	 header;

	/* Read the SCSI Device Page 1 header
	 */
	header.PageVersion = 0;
	header.PageLength = 0;
	header.PageNumber = 1;
	header.PageType = MPI_CONFIG_PAGETYPE_SCSI_DEVICE;
5438
	cfg.cfghdr.hdr = &header;
L
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5439 5440 5441 5442 5443 5444 5445 5446
	cfg.physAddr = -1;
	cfg.pageAddr = portnum;
	cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
	cfg.dir = 0;
	cfg.timeout = 0;
	if (mpt_config(ioc, &cfg) != 0)
		 return -EFAULT;

5447 5448
	ioc->spi_data.sdp1version = cfg.cfghdr.hdr->PageVersion;
	ioc->spi_data.sdp1length = cfg.cfghdr.hdr->PageLength;
L
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5449 5450 5451 5452 5453 5454 5455 5456

	header.PageVersion = 0;
	header.PageLength = 0;
	header.PageNumber = 0;
	header.PageType = MPI_CONFIG_PAGETYPE_SCSI_DEVICE;
	if (mpt_config(ioc, &cfg) != 0)
		 return -EFAULT;

5457 5458
	ioc->spi_data.sdp0version = cfg.cfghdr.hdr->PageVersion;
	ioc->spi_data.sdp0length = cfg.cfghdr.hdr->PageLength;
L
Linus Torvalds 已提交
5459

5460
	dcprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Headers: 0: version %d length %d\n",
L
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5461 5462
			ioc->name, ioc->spi_data.sdp0version, ioc->spi_data.sdp0length));

5463
	dcprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Headers: 1: version %d length %d\n",
L
Linus Torvalds 已提交
5464 5465 5466 5467
			ioc->name, ioc->spi_data.sdp1version, ioc->spi_data.sdp1length));
	return 0;
}

5468
/**
5469 5470
 * mpt_inactive_raid_list_free - This clears this link list.
 * @ioc : pointer to per adapter structure
5471 5472 5473 5474 5475 5476 5477 5478 5479
 **/
static void
mpt_inactive_raid_list_free(MPT_ADAPTER *ioc)
{
	struct inactive_raid_component_info *component_info, *pNext;

	if (list_empty(&ioc->raid_data.inactive_list))
		return;

5480
	mutex_lock(&ioc->raid_data.inactive_list_mutex);
5481 5482 5483 5484 5485
	list_for_each_entry_safe(component_info, pNext,
	    &ioc->raid_data.inactive_list, list) {
		list_del(&component_info->list);
		kfree(component_info);
	}
5486
	mutex_unlock(&ioc->raid_data.inactive_list_mutex);
5487 5488 5489
}

/**
5490
 * mpt_inactive_raid_volumes - sets up link list of phy_disk_nums for devices belonging in an inactive volume
5491
 *
5492 5493 5494
 * @ioc : pointer to per adapter structure
 * @channel : volume channel
 * @id : volume target id
5495 5496 5497 5498 5499 5500 5501 5502 5503 5504 5505 5506 5507 5508 5509 5510 5511 5512 5513 5514 5515 5516 5517 5518 5519 5520 5521 5522 5523 5524 5525 5526 5527 5528 5529 5530 5531 5532 5533 5534 5535 5536 5537 5538 5539 5540 5541 5542 5543 5544
 **/
static void
mpt_inactive_raid_volumes(MPT_ADAPTER *ioc, u8 channel, u8 id)
{
	CONFIGPARMS			cfg;
	ConfigPageHeader_t		hdr;
	dma_addr_t			dma_handle;
	pRaidVolumePage0_t		buffer = NULL;
	int				i;
	RaidPhysDiskPage0_t 		phys_disk;
	struct inactive_raid_component_info *component_info;
	int				handle_inactive_volumes;

	memset(&cfg, 0 , sizeof(CONFIGPARMS));
	memset(&hdr, 0 , sizeof(ConfigPageHeader_t));
	hdr.PageType = MPI_CONFIG_PAGETYPE_RAID_VOLUME;
	cfg.pageAddr = (channel << 8) + id;
	cfg.cfghdr.hdr = &hdr;
	cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;

	if (mpt_config(ioc, &cfg) != 0)
		goto out;

	if (!hdr.PageLength)
		goto out;

	buffer = pci_alloc_consistent(ioc->pcidev, hdr.PageLength * 4,
	    &dma_handle);

	if (!buffer)
		goto out;

	cfg.physAddr = dma_handle;
	cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;

	if (mpt_config(ioc, &cfg) != 0)
		goto out;

	if (!buffer->NumPhysDisks)
		goto out;

	handle_inactive_volumes =
	   (buffer->VolumeStatus.Flags & MPI_RAIDVOL0_STATUS_FLAG_VOLUME_INACTIVE ||
	   (buffer->VolumeStatus.Flags & MPI_RAIDVOL0_STATUS_FLAG_ENABLED) == 0 ||
	    buffer->VolumeStatus.State == MPI_RAIDVOL0_STATUS_STATE_FAILED ||
	    buffer->VolumeStatus.State == MPI_RAIDVOL0_STATUS_STATE_MISSING) ? 1 : 0;

	if (!handle_inactive_volumes)
		goto out;

5545
	mutex_lock(&ioc->raid_data.inactive_list_mutex);
5546 5547 5548 5549 5550 5551 5552 5553 5554 5555 5556 5557 5558 5559 5560 5561 5562 5563 5564
	for (i = 0; i < buffer->NumPhysDisks; i++) {
		if(mpt_raid_phys_disk_pg0(ioc,
		    buffer->PhysDisk[i].PhysDiskNum, &phys_disk) != 0)
			continue;

		if ((component_info = kmalloc(sizeof (*component_info),
		 GFP_KERNEL)) == NULL)
			continue;

		component_info->volumeID = id;
		component_info->volumeBus = channel;
		component_info->d.PhysDiskNum = phys_disk.PhysDiskNum;
		component_info->d.PhysDiskBus = phys_disk.PhysDiskBus;
		component_info->d.PhysDiskID = phys_disk.PhysDiskID;
		component_info->d.PhysDiskIOC = phys_disk.PhysDiskIOC;

		list_add_tail(&component_info->list,
		    &ioc->raid_data.inactive_list);
	}
5565
	mutex_unlock(&ioc->raid_data.inactive_list_mutex);
5566 5567 5568 5569 5570 5571 5572 5573 5574 5575 5576 5577 5578 5579 5580 5581 5582 5583 5584 5585 5586 5587 5588 5589 5590 5591 5592 5593 5594 5595 5596 5597 5598 5599 5600 5601 5602 5603 5604 5605 5606 5607 5608 5609 5610 5611 5612 5613 5614 5615 5616 5617 5618 5619 5620 5621 5622 5623 5624 5625 5626 5627 5628 5629 5630 5631 5632 5633 5634 5635 5636 5637 5638 5639 5640

 out:
	if (buffer)
		pci_free_consistent(ioc->pcidev, hdr.PageLength * 4, buffer,
		    dma_handle);
}

/**
 *	mpt_raid_phys_disk_pg0 - returns phys disk page zero
 *	@ioc: Pointer to a Adapter Structure
 *	@phys_disk_num: io unit unique phys disk num generated by the ioc
 *	@phys_disk: requested payload data returned
 *
 *	Return:
 *	0 on success
 *	-EFAULT if read of config page header fails or data pointer not NULL
 *	-ENOMEM if pci_alloc failed
 **/
int
mpt_raid_phys_disk_pg0(MPT_ADAPTER *ioc, u8 phys_disk_num, pRaidPhysDiskPage0_t phys_disk)
{
	CONFIGPARMS		 	cfg;
	ConfigPageHeader_t	 	hdr;
	dma_addr_t			dma_handle;
	pRaidPhysDiskPage0_t		buffer = NULL;
	int				rc;

	memset(&cfg, 0 , sizeof(CONFIGPARMS));
	memset(&hdr, 0 , sizeof(ConfigPageHeader_t));

	hdr.PageType = MPI_CONFIG_PAGETYPE_RAID_PHYSDISK;
	cfg.cfghdr.hdr = &hdr;
	cfg.physAddr = -1;
	cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;

	if (mpt_config(ioc, &cfg) != 0) {
		rc = -EFAULT;
		goto out;
	}

	if (!hdr.PageLength) {
		rc = -EFAULT;
		goto out;
	}

	buffer = pci_alloc_consistent(ioc->pcidev, hdr.PageLength * 4,
	    &dma_handle);

	if (!buffer) {
		rc = -ENOMEM;
		goto out;
	}

	cfg.physAddr = dma_handle;
	cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
	cfg.pageAddr = phys_disk_num;

	if (mpt_config(ioc, &cfg) != 0) {
		rc = -EFAULT;
		goto out;
	}

	rc = 0;
	memcpy(phys_disk, buffer, sizeof(*buffer));
	phys_disk->MaxLBA = le32_to_cpu(buffer->MaxLBA);

 out:

	if (buffer)
		pci_free_consistent(ioc->pcidev, hdr.PageLength * 4, buffer,
		    dma_handle);

	return rc;
}

L
Linus Torvalds 已提交
5641 5642 5643 5644 5645 5646 5647 5648
/**
 *	mpt_findImVolumes - Identify IDs of hidden disks and RAID Volumes
 *	@ioc: Pointer to a Adapter Strucutre
 *
 *	Return:
 *	0 on success
 *	-EFAULT if read of config page header fails or data pointer not NULL
 *	-ENOMEM if pci_alloc failed
5649
 **/
L
Linus Torvalds 已提交
5650 5651 5652 5653 5654 5655 5656 5657 5658 5659
int
mpt_findImVolumes(MPT_ADAPTER *ioc)
{
	IOCPage2_t		*pIoc2;
	u8			*mem;
	dma_addr_t		 ioc2_dma;
	CONFIGPARMS		 cfg;
	ConfigPageHeader_t	 header;
	int			 rc = 0;
	int			 iocpage2sz;
5660 5661 5662 5663 5664 5665 5666 5667 5668 5669
	int			 i;

	if (!ioc->ir_firmware)
		return 0;

	/* Free the old page
	 */
	kfree(ioc->raid_data.pIocPg2);
	ioc->raid_data.pIocPg2 = NULL;
	mpt_inactive_raid_list_free(ioc);
L
Linus Torvalds 已提交
5670 5671 5672 5673 5674 5675 5676

	/* Read IOCP2 header then the page.
	 */
	header.PageVersion = 0;
	header.PageLength = 0;
	header.PageNumber = 2;
	header.PageType = MPI_CONFIG_PAGETYPE_IOC;
5677
	cfg.cfghdr.hdr = &header;
L
Linus Torvalds 已提交
5678 5679 5680 5681 5682 5683 5684 5685 5686 5687 5688 5689 5690 5691 5692 5693 5694 5695 5696
	cfg.physAddr = -1;
	cfg.pageAddr = 0;
	cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
	cfg.dir = 0;
	cfg.timeout = 0;
	if (mpt_config(ioc, &cfg) != 0)
		 return -EFAULT;

	if (header.PageLength == 0)
		return -EFAULT;

	iocpage2sz = header.PageLength * 4;
	pIoc2 = pci_alloc_consistent(ioc->pcidev, iocpage2sz, &ioc2_dma);
	if (!pIoc2)
		return -ENOMEM;

	cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
	cfg.physAddr = ioc2_dma;
	if (mpt_config(ioc, &cfg) != 0)
5697 5698 5699 5700 5701
		goto out;

	mem = kmalloc(iocpage2sz, GFP_KERNEL);
	if (!mem)
		goto out;
L
Linus Torvalds 已提交
5702 5703

	memcpy(mem, (u8 *)pIoc2, iocpage2sz);
5704
	ioc->raid_data.pIocPg2 = (IOCPage2_t *) mem;
L
Linus Torvalds 已提交
5705

5706
	mpt_read_ioc_pg_3(ioc);
L
Linus Torvalds 已提交
5707

5708 5709 5710 5711
	for (i = 0; i < pIoc2->NumActiveVolumes ; i++)
		mpt_inactive_raid_volumes(ioc,
		    pIoc2->RaidVolume[i].VolumeBus,
		    pIoc2->RaidVolume[i].VolumeID);
L
Linus Torvalds 已提交
5712

5713
 out:
L
Linus Torvalds 已提交
5714 5715 5716 5717 5718
	pci_free_consistent(ioc->pcidev, iocpage2sz, pIoc2, ioc2_dma);

	return rc;
}

M
Moore, Eric 已提交
5719
static int
L
Linus Torvalds 已提交
5720 5721 5722 5723 5724 5725 5726 5727 5728 5729 5730
mpt_read_ioc_pg_3(MPT_ADAPTER *ioc)
{
	IOCPage3_t		*pIoc3;
	u8			*mem;
	CONFIGPARMS		 cfg;
	ConfigPageHeader_t	 header;
	dma_addr_t		 ioc3_dma;
	int			 iocpage3sz = 0;

	/* Free the old page
	 */
5731 5732
	kfree(ioc->raid_data.pIocPg3);
	ioc->raid_data.pIocPg3 = NULL;
L
Linus Torvalds 已提交
5733 5734 5735 5736 5737 5738 5739 5740

	/* There is at least one physical disk.
	 * Read and save IOC Page 3
	 */
	header.PageVersion = 0;
	header.PageLength = 0;
	header.PageNumber = 3;
	header.PageType = MPI_CONFIG_PAGETYPE_IOC;
5741
	cfg.cfghdr.hdr = &header;
L
Linus Torvalds 已提交
5742 5743 5744 5745 5746 5747 5748 5749 5750 5751 5752 5753 5754 5755 5756 5757 5758 5759 5760 5761 5762 5763 5764 5765
	cfg.physAddr = -1;
	cfg.pageAddr = 0;
	cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
	cfg.dir = 0;
	cfg.timeout = 0;
	if (mpt_config(ioc, &cfg) != 0)
		return 0;

	if (header.PageLength == 0)
		return 0;

	/* Read Header good, alloc memory
	 */
	iocpage3sz = header.PageLength * 4;
	pIoc3 = pci_alloc_consistent(ioc->pcidev, iocpage3sz, &ioc3_dma);
	if (!pIoc3)
		return 0;

	/* Read the Page and save the data
	 * into malloc'd memory.
	 */
	cfg.physAddr = ioc3_dma;
	cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
	if (mpt_config(ioc, &cfg) == 0) {
5766
		mem = kmalloc(iocpage3sz, GFP_KERNEL);
L
Linus Torvalds 已提交
5767 5768
		if (mem) {
			memcpy(mem, (u8 *)pIoc3, iocpage3sz);
5769
			ioc->raid_data.pIocPg3 = (IOCPage3_t *) mem;
L
Linus Torvalds 已提交
5770 5771 5772 5773 5774 5775 5776 5777 5778 5779 5780 5781 5782 5783 5784 5785 5786 5787 5788 5789 5790 5791 5792
		}
	}

	pci_free_consistent(ioc->pcidev, iocpage3sz, pIoc3, ioc3_dma);

	return 0;
}

static void
mpt_read_ioc_pg_4(MPT_ADAPTER *ioc)
{
	IOCPage4_t		*pIoc4;
	CONFIGPARMS		 cfg;
	ConfigPageHeader_t	 header;
	dma_addr_t		 ioc4_dma;
	int			 iocpage4sz;

	/* Read and save IOC Page 4
	 */
	header.PageVersion = 0;
	header.PageLength = 0;
	header.PageNumber = 4;
	header.PageType = MPI_CONFIG_PAGETYPE_IOC;
5793
	cfg.cfghdr.hdr = &header;
L
Linus Torvalds 已提交
5794 5795 5796 5797 5798 5799 5800 5801 5802 5803 5804 5805 5806 5807 5808 5809
	cfg.physAddr = -1;
	cfg.pageAddr = 0;
	cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
	cfg.dir = 0;
	cfg.timeout = 0;
	if (mpt_config(ioc, &cfg) != 0)
		return;

	if (header.PageLength == 0)
		return;

	if ( (pIoc4 = ioc->spi_data.pIocPg4) == NULL ) {
		iocpage4sz = (header.PageLength + 4) * 4; /* Allow 4 additional SEP's */
		pIoc4 = pci_alloc_consistent(ioc->pcidev, iocpage4sz, &ioc4_dma);
		if (!pIoc4)
			return;
5810
		ioc->alloc_total += iocpage4sz;
L
Linus Torvalds 已提交
5811 5812 5813 5814 5815 5816 5817 5818 5819 5820 5821 5822 5823 5824 5825 5826
	} else {
		ioc4_dma = ioc->spi_data.IocPg4_dma;
		iocpage4sz = ioc->spi_data.IocPg4Sz;
	}

	/* Read the Page into dma memory.
	 */
	cfg.physAddr = ioc4_dma;
	cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
	if (mpt_config(ioc, &cfg) == 0) {
		ioc->spi_data.pIocPg4 = (IOCPage4_t *) pIoc4;
		ioc->spi_data.IocPg4_dma = ioc4_dma;
		ioc->spi_data.IocPg4Sz = iocpage4sz;
	} else {
		pci_free_consistent(ioc->pcidev, iocpage4sz, pIoc4, ioc4_dma);
		ioc->spi_data.pIocPg4 = NULL;
5827
		ioc->alloc_total -= iocpage4sz;
L
Linus Torvalds 已提交
5828 5829 5830 5831 5832 5833 5834 5835 5836 5837 5838 5839 5840 5841 5842 5843 5844 5845 5846
	}
}

static void
mpt_read_ioc_pg_1(MPT_ADAPTER *ioc)
{
	IOCPage1_t		*pIoc1;
	CONFIGPARMS		 cfg;
	ConfigPageHeader_t	 header;
	dma_addr_t		 ioc1_dma;
	int			 iocpage1sz = 0;
	u32			 tmp;

	/* Check the Coalescing Timeout in IOC Page 1
	 */
	header.PageVersion = 0;
	header.PageLength = 0;
	header.PageNumber = 1;
	header.PageType = MPI_CONFIG_PAGETYPE_IOC;
5847
	cfg.cfghdr.hdr = &header;
L
Linus Torvalds 已提交
5848 5849 5850 5851 5852 5853 5854 5855 5856 5857 5858 5859 5860 5861 5862 5863 5864 5865 5866 5867 5868 5869 5870
	cfg.physAddr = -1;
	cfg.pageAddr = 0;
	cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
	cfg.dir = 0;
	cfg.timeout = 0;
	if (mpt_config(ioc, &cfg) != 0)
		return;

	if (header.PageLength == 0)
		return;

	/* Read Header good, alloc memory
	 */
	iocpage1sz = header.PageLength * 4;
	pIoc1 = pci_alloc_consistent(ioc->pcidev, iocpage1sz, &ioc1_dma);
	if (!pIoc1)
		return;

	/* Read the Page and check coalescing timeout
	 */
	cfg.physAddr = ioc1_dma;
	cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
	if (mpt_config(ioc, &cfg) == 0) {
5871

L
Linus Torvalds 已提交
5872 5873 5874 5875
		tmp = le32_to_cpu(pIoc1->Flags) & MPI_IOCPAGE1_REPLY_COALESCING;
		if (tmp == MPI_IOCPAGE1_REPLY_COALESCING) {
			tmp = le32_to_cpu(pIoc1->CoalescingTimeout);

5876
			dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Coalescing Enabled Timeout = %d\n",
L
Linus Torvalds 已提交
5877 5878 5879 5880 5881 5882 5883 5884 5885 5886
					ioc->name, tmp));

			if (tmp > MPT_COALESCING_TIMEOUT) {
				pIoc1->CoalescingTimeout = cpu_to_le32(MPT_COALESCING_TIMEOUT);

				/* Write NVRAM and current
				 */
				cfg.dir = 1;
				cfg.action = MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT;
				if (mpt_config(ioc, &cfg) == 0) {
5887
					dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Reset Current Coalescing Timeout to = %d\n",
L
Linus Torvalds 已提交
5888 5889 5890 5891
							ioc->name, MPT_COALESCING_TIMEOUT));

					cfg.action = MPI_CONFIG_ACTION_PAGE_WRITE_NVRAM;
					if (mpt_config(ioc, &cfg) == 0) {
5892 5893
						dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
								"Reset NVRAM Coalescing Timeout to = %d\n",
L
Linus Torvalds 已提交
5894 5895
								ioc->name, MPT_COALESCING_TIMEOUT));
					} else {
5896 5897 5898
						dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
								"Reset NVRAM Coalescing Timeout Failed\n",
								ioc->name));
L
Linus Torvalds 已提交
5899 5900 5901
					}

				} else {
5902 5903 5904
					dprintk(ioc, printk(MYIOC_s_WARN_FMT
						"Reset of Current Coalescing Timeout Failed!\n",
						ioc->name));
L
Linus Torvalds 已提交
5905 5906 5907 5908
				}
			}

		} else {
5909
			dprintk(ioc, printk(MYIOC_s_WARN_FMT "Coalescing Disabled\n", ioc->name));
L
Linus Torvalds 已提交
5910 5911 5912 5913 5914 5915 5916 5917
		}
	}

	pci_free_consistent(ioc->pcidev, iocpage1sz, pIoc1, ioc1_dma);

	return;
}

5918 5919 5920 5921 5922 5923 5924 5925 5926 5927 5928 5929 5930 5931 5932 5933 5934 5935 5936 5937 5938 5939 5940 5941 5942 5943 5944 5945 5946 5947 5948 5949 5950 5951 5952 5953 5954 5955 5956 5957 5958 5959 5960
static void
mpt_get_manufacturing_pg_0(MPT_ADAPTER *ioc)
{
	CONFIGPARMS		cfg;
	ConfigPageHeader_t	hdr;
	dma_addr_t		buf_dma;
	ManufacturingPage0_t	*pbuf = NULL;

	memset(&cfg, 0 , sizeof(CONFIGPARMS));
	memset(&hdr, 0 , sizeof(ConfigPageHeader_t));

	hdr.PageType = MPI_CONFIG_PAGETYPE_MANUFACTURING;
	cfg.cfghdr.hdr = &hdr;
	cfg.physAddr = -1;
	cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
	cfg.timeout = 10;

	if (mpt_config(ioc, &cfg) != 0)
		goto out;

	if (!cfg.cfghdr.hdr->PageLength)
		goto out;

	cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
	pbuf = pci_alloc_consistent(ioc->pcidev, hdr.PageLength * 4, &buf_dma);
	if (!pbuf)
		goto out;

	cfg.physAddr = buf_dma;

	if (mpt_config(ioc, &cfg) != 0)
		goto out;

	memcpy(ioc->board_name, pbuf->BoardName, sizeof(ioc->board_name));
	memcpy(ioc->board_assembly, pbuf->BoardAssembly, sizeof(ioc->board_assembly));
	memcpy(ioc->board_tracer, pbuf->BoardTracerNumber, sizeof(ioc->board_tracer));

	out:

	if (pbuf)
		pci_free_consistent(ioc->pcidev, hdr.PageLength * 4, pbuf, buf_dma);
}

L
Linus Torvalds 已提交
5961
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
5962 5963
/**
 *	SendEventNotification - Send EventNotification (on or off) request to adapter
L
Linus Torvalds 已提交
5964 5965 5966 5967 5968 5969 5970 5971 5972 5973
 *	@ioc: Pointer to MPT_ADAPTER structure
 *	@EvSwitch: Event switch flags
 */
static int
SendEventNotification(MPT_ADAPTER *ioc, u8 EvSwitch)
{
	EventNotification_t	*evnp;

	evnp = (EventNotification_t *) mpt_get_msg_frame(mpt_base_index, ioc);
	if (evnp == NULL) {
5974
		devtverboseprintk(ioc, printk(MYIOC_s_WARN_FMT "Unable to allocate event request frame!\n",
L
Linus Torvalds 已提交
5975 5976 5977 5978 5979
				ioc->name));
		return 0;
	}
	memset(evnp, 0, sizeof(*evnp));

5980
	devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending EventNotification (%d) request %p\n", ioc->name, EvSwitch, evnp));
L
Linus Torvalds 已提交
5981 5982 5983 5984 5985 5986 5987 5988 5989 5990 5991 5992 5993 5994 5995 5996 5997 5998 5999 6000 6001 6002 6003

	evnp->Function = MPI_FUNCTION_EVENT_NOTIFICATION;
	evnp->ChainOffset = 0;
	evnp->MsgFlags = 0;
	evnp->Switch = EvSwitch;

	mpt_put_msg_frame(mpt_base_index, ioc, (MPT_FRAME_HDR *)evnp);

	return 0;
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/**
 *	SendEventAck - Send EventAck request to MPT adapter.
 *	@ioc: Pointer to MPT_ADAPTER structure
 *	@evnp: Pointer to original EventNotification request
 */
static int
SendEventAck(MPT_ADAPTER *ioc, EventNotificationReply_t *evnp)
{
	EventAck_t	*pAck;

	if ((pAck = (EventAck_t *) mpt_get_msg_frame(mpt_base_index, ioc)) == NULL) {
6004
		dfailprintk(ioc, printk(MYIOC_s_WARN_FMT "%s, no msg frames!!\n",
6005
		    ioc->name,__func__));
L
Linus Torvalds 已提交
6006 6007 6008
		return -1;
	}

6009
	devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending EventAck\n", ioc->name));
L
Linus Torvalds 已提交
6010 6011 6012

	pAck->Function     = MPI_FUNCTION_EVENT_ACK;
	pAck->ChainOffset  = 0;
6013
	pAck->Reserved[0]  = pAck->Reserved[1] = 0;
L
Linus Torvalds 已提交
6014
	pAck->MsgFlags     = 0;
6015
	pAck->Reserved1[0] = pAck->Reserved1[1] = pAck->Reserved1[2] = 0;
L
Linus Torvalds 已提交
6016 6017 6018 6019 6020 6021 6022 6023 6024 6025 6026
	pAck->Event        = evnp->Event;
	pAck->EventContext = evnp->EventContext;

	mpt_put_msg_frame(mpt_base_index, ioc, (MPT_FRAME_HDR *)pAck);

	return 0;
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/**
 *	mpt_config - Generic function to issue config message
6027 6028
 *	@ioc:   Pointer to an adapter structure
 *	@pCfg:  Pointer to a configuration structure. Struct contains
L
Linus Torvalds 已提交
6029 6030 6031 6032 6033 6034 6035 6036 6037 6038 6039 6040 6041
 *		action, page address, direction, physical address
 *		and pointer to a configuration page header
 *		Page header is updated.
 *
 *	Returns 0 for success
 *	-EPERM if not allowed due to ISR context
 *	-EAGAIN if no msg frames currently available
 *	-EFAULT for non-successful reply or no reply (timeout)
 */
int
mpt_config(MPT_ADAPTER *ioc, CONFIGPARMS *pCfg)
{
	Config_t	*pReq;
6042
	ConfigExtendedPageHeader_t  *pExtHdr = NULL;
L
Linus Torvalds 已提交
6043 6044 6045
	MPT_FRAME_HDR	*mf;
	unsigned long	 flags;
	int		 ii, rc;
6046
	int		 flagsLength;
L
Linus Torvalds 已提交
6047 6048
	int		 in_isr;

6049
	/*	Prevent calling wait_event() (below), if caller happens
L
Linus Torvalds 已提交
6050 6051 6052 6053
	 *	to be in ISR context, because that is fatal!
	 */
	in_isr = in_interrupt();
	if (in_isr) {
6054
		dcprintk(ioc, printk(MYIOC_s_WARN_FMT "Config request not allowed in ISR context!\n",
L
Linus Torvalds 已提交
6055 6056 6057 6058 6059 6060 6061
				ioc->name));
		return -EPERM;
	}

	/* Get and Populate a free Frame
	 */
	if ((mf = mpt_get_msg_frame(mpt_base_index, ioc)) == NULL) {
6062
		dcprintk(ioc, printk(MYIOC_s_WARN_FMT "mpt_config: no msg frames!\n",
L
Linus Torvalds 已提交
6063 6064 6065 6066 6067 6068 6069 6070
				ioc->name));
		return -EAGAIN;
	}
	pReq = (Config_t *)mf;
	pReq->Action = pCfg->action;
	pReq->Reserved = 0;
	pReq->ChainOffset = 0;
	pReq->Function = MPI_FUNCTION_CONFIG;
6071 6072

	/* Assume page type is not extended and clear "reserved" fields. */
L
Linus Torvalds 已提交
6073 6074 6075
	pReq->ExtPageLength = 0;
	pReq->ExtPageType = 0;
	pReq->MsgFlags = 0;
6076

L
Linus Torvalds 已提交
6077 6078 6079
	for (ii=0; ii < 8; ii++)
		pReq->Reserved2[ii] = 0;

6080 6081 6082 6083 6084 6085 6086 6087 6088 6089 6090 6091 6092 6093 6094
	pReq->Header.PageVersion = pCfg->cfghdr.hdr->PageVersion;
	pReq->Header.PageLength = pCfg->cfghdr.hdr->PageLength;
	pReq->Header.PageNumber = pCfg->cfghdr.hdr->PageNumber;
	pReq->Header.PageType = (pCfg->cfghdr.hdr->PageType & MPI_CONFIG_PAGETYPE_MASK);

	if ((pCfg->cfghdr.hdr->PageType & MPI_CONFIG_PAGETYPE_MASK) == MPI_CONFIG_PAGETYPE_EXTENDED) {
		pExtHdr = (ConfigExtendedPageHeader_t *)pCfg->cfghdr.ehdr;
		pReq->ExtPageLength = cpu_to_le16(pExtHdr->ExtPageLength);
		pReq->ExtPageType = pExtHdr->ExtPageType;
		pReq->Header.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;

		/* Page Length must be treated as a reserved field for the extended header. */
		pReq->Header.PageLength = 0;
	}

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	pReq->PageAddress = cpu_to_le32(pCfg->pageAddr);

	/* Add a SGE to the config request.
	 */
	if (pCfg->dir)
		flagsLength = MPT_SGE_FLAGS_SSIMPLE_WRITE;
	else
		flagsLength = MPT_SGE_FLAGS_SSIMPLE_READ;

6104 6105
	if ((pCfg->cfghdr.hdr->PageType & MPI_CONFIG_PAGETYPE_MASK) == MPI_CONFIG_PAGETYPE_EXTENDED) {
		flagsLength |= pExtHdr->ExtPageLength * 4;
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		dcprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending Config request type %d, page %d and action %d\n",
6108 6109 6110 6111
			ioc->name, pReq->ExtPageType, pReq->Header.PageNumber, pReq->Action));
	}
	else {
		flagsLength |= pCfg->cfghdr.hdr->PageLength * 4;
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		dcprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending Config request type %d, page %d and action %d\n",
6114 6115 6116
			ioc->name, pReq->Header.PageType, pReq->Header.PageNumber, pReq->Action));
	}

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	ioc->add_sge((char *)&pReq->PageBufferSGE, flagsLength, pCfg->physAddr);
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	/* Append pCfg pointer to end of mf
	 */
	*((void **) (((u8 *) mf) + (ioc->req_sz - sizeof(void *)))) =  (void *) pCfg;

	/* Initalize the timer
	 */
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	init_timer_on_stack(&pCfg->timer);
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	pCfg->timer.data = (unsigned long) ioc;
	pCfg->timer.function = mpt_timer_expired;
	pCfg->wait_done = 0;

	/* Set the timer; ensure 10 second minimum */
	if (pCfg->timeout < 10)
		pCfg->timer.expires = jiffies + HZ*10;
	else
		pCfg->timer.expires = jiffies + HZ*pCfg->timeout;

	/* Add to end of Q, set timer and then issue this command */
	spin_lock_irqsave(&ioc->FreeQlock, flags);
	list_add_tail(&pCfg->linkage, &ioc->configQ);
	spin_unlock_irqrestore(&ioc->FreeQlock, flags);

	add_timer(&pCfg->timer);
	mpt_put_msg_frame(mpt_base_index, ioc, mf);
	wait_event(mpt_waitq, pCfg->wait_done);

	/* mf has been freed - do not access */

	rc = pCfg->status;

	return rc;
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
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/**
 *	mpt_timer_expired - Callback for timer process.
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 *	Used only internal config functionality.
 *	@data: Pointer to MPT_SCSI_HOST recast as an unsigned long
 */
static void
mpt_timer_expired(unsigned long data)
{
	MPT_ADAPTER *ioc = (MPT_ADAPTER *) data;

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	dcprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mpt_timer_expired! \n", ioc->name));
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	/* Perform a FW reload */
	if (mpt_HardResetHandler(ioc, NO_SLEEP) < 0)
		printk(MYIOC_s_WARN_FMT "Firmware Reload FAILED!\n", ioc->name);

	/* No more processing.
	 * Hard reset clean-up will wake up
	 * process and free all resources.
	 */
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	dcprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mpt_timer_expired complete!\n", ioc->name));
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	return;
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
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/**
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 *	mpt_ioc_reset - Base cleanup for hard reset
 *	@ioc: Pointer to the adapter structure
 *	@reset_phase: Indicates pre- or post-reset functionality
 *
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 *	Remark: Frees resources with internally generated commands.
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 */
static int
mpt_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
{
	CONFIGPARMS *pCfg;
	unsigned long flags;

6192 6193 6194 6195
	dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
	    ": IOC %s_reset routed to MPT base driver!\n",
	    ioc->name, reset_phase==MPT_IOC_SETUP_RESET ? "setup" : (
	    reset_phase==MPT_IOC_PRE_RESET ? "pre" : "post")));
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	if (reset_phase == MPT_IOC_SETUP_RESET) {
		;
	} else if (reset_phase == MPT_IOC_PRE_RESET) {
		/* If the internal config Q is not empty -
		 * delete timer. MF resources will be freed when
		 * the FIFO's are primed.
		 */
		spin_lock_irqsave(&ioc->FreeQlock, flags);
		list_for_each_entry(pCfg, &ioc->configQ, linkage)
			del_timer(&pCfg->timer);
		spin_unlock_irqrestore(&ioc->FreeQlock, flags);

	} else {
		CONFIGPARMS *pNext;

		/* Search the configQ for internal commands.
		 * Flush the Q, and wake up all suspended threads.
		 */
		spin_lock_irqsave(&ioc->FreeQlock, flags);
		list_for_each_entry_safe(pCfg, pNext, &ioc->configQ, linkage) {
			list_del(&pCfg->linkage);

			pCfg->status = MPT_CONFIG_ERROR;
			pCfg->wait_done = 1;
			wake_up(&mpt_waitq);
		}
		spin_unlock_irqrestore(&ioc->FreeQlock, flags);
	}

	return 1;		/* currently means nothing really */
}


#ifdef CONFIG_PROC_FS		/* { */
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/*
 *	procfs (%MPT_PROCFS_MPTBASEDIR/...) support stuff...
 */
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
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/**
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 *	procmpt_create - Create %MPT_PROCFS_MPTBASEDIR entries.
 *
 *	Returns 0 for success, non-zero for failure.
 */
static int
procmpt_create(void)
{
	struct proc_dir_entry	*ent;

	mpt_proc_root_dir = proc_mkdir(MPT_PROCFS_MPTBASEDIR, NULL);
	if (mpt_proc_root_dir == NULL)
		return -ENOTDIR;

	ent = create_proc_entry("summary", S_IFREG|S_IRUGO, mpt_proc_root_dir);
	if (ent)
		ent->read_proc = procmpt_summary_read;

	ent = create_proc_entry("version", S_IFREG|S_IRUGO, mpt_proc_root_dir);
	if (ent)
		ent->read_proc = procmpt_version_read;

	return 0;
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
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/**
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 *	procmpt_destroy - Tear down %MPT_PROCFS_MPTBASEDIR entries.
 *
 *	Returns 0 for success, non-zero for failure.
 */
static void
procmpt_destroy(void)
{
	remove_proc_entry("version", mpt_proc_root_dir);
	remove_proc_entry("summary", mpt_proc_root_dir);
	remove_proc_entry(MPT_PROCFS_MPTBASEDIR, NULL);
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
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/**
 *	procmpt_summary_read - Handle read request of a summary file
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 *	@buf: Pointer to area to write information
 *	@start: Pointer to start pointer
 *	@offset: Offset to start writing
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 *	@request: Amount of read data requested
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 *	@eof: Pointer to EOF integer
 *	@data: Pointer
 *
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 *	Handles read request from /proc/mpt/summary or /proc/mpt/iocN/summary.
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 *	Returns number of characters written to process performing the read.
 */
static int
procmpt_summary_read(char *buf, char **start, off_t offset, int request, int *eof, void *data)
{
	MPT_ADAPTER *ioc;
	char *out = buf;
	int len;

	if (data) {
		int more = 0;

		ioc = data;
		mpt_print_ioc_summary(ioc, out, &more, 0, 1);

		out += more;
	} else {
		list_for_each_entry(ioc, &ioc_list, list) {
			int	more = 0;

			mpt_print_ioc_summary(ioc, out, &more, 0, 1);

			out += more;
			if ((out-buf) >= request)
				break;
		}
	}

	len = out - buf;

	MPT_PROC_READ_RETURN(buf,start,offset,request,eof,len);
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
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/**
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 *	procmpt_version_read - Handle read request from /proc/mpt/version.
 *	@buf: Pointer to area to write information
 *	@start: Pointer to start pointer
 *	@offset: Offset to start writing
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 *	@request: Amount of read data requested
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 *	@eof: Pointer to EOF integer
 *	@data: Pointer
 *
 *	Returns number of characters written to process performing the read.
 */
static int
procmpt_version_read(char *buf, char **start, off_t offset, int request, int *eof, void *data)
{
6334
	u8	 cb_idx;
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	int	 scsi, fc, sas, lan, ctl, targ, dmp;
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	char	*drvname;
	int	 len;

	len = sprintf(buf, "%s-%s\n", "mptlinux", MPT_LINUX_VERSION_COMMON);
	len += sprintf(buf+len, "  Fusion MPT base driver\n");

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	scsi = fc = sas = lan = ctl = targ = dmp = 0;
6343
	for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) {
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		drvname = NULL;
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		if (MptCallbacks[cb_idx]) {
			switch (MptDriverClass[cb_idx]) {
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			case MPTSPI_DRIVER:
				if (!scsi++) drvname = "SPI host";
				break;
			case MPTFC_DRIVER:
				if (!fc++) drvname = "FC host";
				break;
			case MPTSAS_DRIVER:
				if (!sas++) drvname = "SAS host";
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				break;
			case MPTLAN_DRIVER:
				if (!lan++) drvname = "LAN";
				break;
			case MPTSTM_DRIVER:
				if (!targ++) drvname = "SCSI target";
				break;
			case MPTCTL_DRIVER:
				if (!ctl++) drvname = "ioctl";
				break;
			}

			if (drvname)
				len += sprintf(buf+len, "  Fusion MPT %s driver\n", drvname);
		}
	}

	MPT_PROC_READ_RETURN(buf,start,offset,request,eof,len);
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
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/**
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 *	procmpt_iocinfo_read - Handle read request from /proc/mpt/iocN/info.
 *	@buf: Pointer to area to write information
 *	@start: Pointer to start pointer
 *	@offset: Offset to start writing
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 *	@request: Amount of read data requested
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 *	@eof: Pointer to EOF integer
 *	@data: Pointer
 *
 *	Returns number of characters written to process performing the read.
 */
static int
procmpt_iocinfo_read(char *buf, char **start, off_t offset, int request, int *eof, void *data)
{
	MPT_ADAPTER	*ioc = data;
	int		 len;
	char		 expVer[32];
	int		 sz;
	int		 p;

	mpt_get_fw_exp_ver(expVer, ioc);

	len = sprintf(buf, "%s:", ioc->name);
	if (ioc->facts.Flags & MPI_IOCFACTS_FLAGS_FW_DOWNLOAD_BOOT)
		len += sprintf(buf+len, "  (f/w download boot flag set)");
//	if (ioc->facts.IOCExceptions & MPI_IOCFACTS_EXCEPT_CONFIG_CHECKSUM_FAIL)
//		len += sprintf(buf+len, "  CONFIG_CHECKSUM_FAIL!");

	len += sprintf(buf+len, "\n  ProductID = 0x%04x (%s)\n",
			ioc->facts.ProductID,
			ioc->prod_name);
	len += sprintf(buf+len, "  FWVersion = 0x%08x%s", ioc->facts.FWVersion.Word, expVer);
	if (ioc->facts.FWImageSize)
		len += sprintf(buf+len, " (fw_size=%d)", ioc->facts.FWImageSize);
	len += sprintf(buf+len, "\n  MsgVersion = 0x%04x\n", ioc->facts.MsgVersion);
	len += sprintf(buf+len, "  FirstWhoInit = 0x%02x\n", ioc->FirstWhoInit);
	len += sprintf(buf+len, "  EventState = 0x%02x\n", ioc->facts.EventState);

	len += sprintf(buf+len, "  CurrentHostMfaHighAddr = 0x%08x\n",
			ioc->facts.CurrentHostMfaHighAddr);
	len += sprintf(buf+len, "  CurrentSenseBufferHighAddr = 0x%08x\n",
			ioc->facts.CurrentSenseBufferHighAddr);

	len += sprintf(buf+len, "  MaxChainDepth = 0x%02x frames\n", ioc->facts.MaxChainDepth);
	len += sprintf(buf+len, "  MinBlockSize = 0x%02x bytes\n", 4*ioc->facts.BlockSize);

	len += sprintf(buf+len, "  RequestFrames @ 0x%p (Dma @ 0x%p)\n",
					(void *)ioc->req_frames, (void *)(ulong)ioc->req_frames_dma);
	/*
	 *  Rounding UP to nearest 4-kB boundary here...
	 */
	sz = (ioc->req_sz * ioc->req_depth) + 128;
	sz = ((sz + 0x1000UL - 1UL) / 0x1000) * 0x1000;
	len += sprintf(buf+len, "    {CurReqSz=%d} x {CurReqDepth=%d} = %d bytes ^= 0x%x\n",
					ioc->req_sz, ioc->req_depth, ioc->req_sz*ioc->req_depth, sz);
	len += sprintf(buf+len, "    {MaxReqSz=%d}   {MaxReqDepth=%d}\n",
					4*ioc->facts.RequestFrameSize,
					ioc->facts.GlobalCredits);

	len += sprintf(buf+len, "  Frames   @ 0x%p (Dma @ 0x%p)\n",
					(void *)ioc->alloc, (void *)(ulong)ioc->alloc_dma);
	sz = (ioc->reply_sz * ioc->reply_depth) + 128;
	len += sprintf(buf+len, "    {CurRepSz=%d} x {CurRepDepth=%d} = %d bytes ^= 0x%x\n",
					ioc->reply_sz, ioc->reply_depth, ioc->reply_sz*ioc->reply_depth, sz);
	len += sprintf(buf+len, "    {MaxRepSz=%d}   {MaxRepDepth=%d}\n",
					ioc->facts.CurReplyFrameSize,
					ioc->facts.ReplyQueueDepth);

	len += sprintf(buf+len, "  MaxDevices = %d\n",
			(ioc->facts.MaxDevices==0) ? 255 : ioc->facts.MaxDevices);
	len += sprintf(buf+len, "  MaxBuses = %d\n", ioc->facts.MaxBuses);

	/* per-port info */
	for (p=0; p < ioc->facts.NumberOfPorts; p++) {
		len += sprintf(buf+len, "  PortNumber = %d (of %d)\n",
				p+1,
				ioc->facts.NumberOfPorts);
		if (ioc->bus_type == FC) {
			if (ioc->pfacts[p].ProtocolFlags & MPI_PORTFACTS_PROTOCOL_LAN) {
				u8 *a = (u8*)&ioc->lan_cnfg_page1.HardwareAddressLow;
				len += sprintf(buf+len, "    LanAddr = %02X:%02X:%02X:%02X:%02X:%02X\n",
						a[5], a[4], a[3], a[2], a[1], a[0]);
			}
			len += sprintf(buf+len, "    WWN = %08X%08X:%08X%08X\n",
					ioc->fc_port_page0[p].WWNN.High,
					ioc->fc_port_page0[p].WWNN.Low,
					ioc->fc_port_page0[p].WWPN.High,
					ioc->fc_port_page0[p].WWPN.Low);
		}
	}

	MPT_PROC_READ_RETURN(buf,start,offset,request,eof,len);
}

#endif		/* CONFIG_PROC_FS } */

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
static void
mpt_get_fw_exp_ver(char *buf, MPT_ADAPTER *ioc)
{
	buf[0] ='\0';
	if ((ioc->facts.FWVersion.Word >> 24) == 0x0E) {
		sprintf(buf, " (Exp %02d%02d)",
			(ioc->facts.FWVersion.Word >> 16) & 0x00FF,	/* Month */
			(ioc->facts.FWVersion.Word >> 8) & 0x1F);	/* Day */

		/* insider hack! */
		if ((ioc->facts.FWVersion.Word >> 8) & 0x80)
			strcat(buf, " [MDBG]");
	}
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/**
 *	mpt_print_ioc_summary - Write ASCII summary of IOC to a buffer.
 *	@ioc: Pointer to MPT_ADAPTER structure
 *	@buffer: Pointer to buffer where IOC summary info should be written
 *	@size: Pointer to number of bytes we wrote (set by this routine)
 *	@len: Offset at which to start writing in buffer
 *	@showlan: Display LAN stuff?
 *
 *	This routine writes (english readable) ASCII text, which represents
 *	a summary of IOC information, to a buffer.
 */
void
mpt_print_ioc_summary(MPT_ADAPTER *ioc, char *buffer, int *size, int len, int showlan)
{
	char expVer[32];
	int y;

	mpt_get_fw_exp_ver(expVer, ioc);

	/*
	 *  Shorter summary of attached ioc's...
	 */
	y = sprintf(buffer+len, "%s: %s, %s%08xh%s, Ports=%d, MaxQ=%d",
			ioc->name,
			ioc->prod_name,
			MPT_FW_REV_MAGIC_ID_STRING,	/* "FwRev=" or somesuch */
			ioc->facts.FWVersion.Word,
			expVer,
			ioc->facts.NumberOfPorts,
			ioc->req_depth);

	if (showlan && (ioc->pfacts[0].ProtocolFlags & MPI_PORTFACTS_PROTOCOL_LAN)) {
		u8 *a = (u8*)&ioc->lan_cnfg_page1.HardwareAddressLow;
		y += sprintf(buffer+len+y, ", LanAddr=%02X:%02X:%02X:%02X:%02X:%02X",
			a[5], a[4], a[3], a[2], a[1], a[0]);
	}

	y += sprintf(buffer+len+y, ", IRQ=%d", ioc->pci_irq);

	if (!ioc->active)
		y += sprintf(buffer+len+y, " (disabled)");

	y += sprintf(buffer+len+y, "\n");

	*size = y;
}

6536 6537 6538 6539 6540 6541 6542 6543 6544 6545 6546 6547 6548 6549 6550 6551 6552 6553 6554 6555 6556 6557 6558 6559 6560 6561 6562

/**
 *	mpt_halt_firmware - Halts the firmware if it is operational and panic
 *	the kernel
 *	@ioc: Pointer to MPT_ADAPTER structure
 *
 **/
void
mpt_halt_firmware(MPT_ADAPTER *ioc)
{
	u32	 ioc_raw_state;

	ioc_raw_state = mpt_GetIocState(ioc, 0);

	if ((ioc_raw_state & MPI_IOC_STATE_MASK) == MPI_IOC_STATE_FAULT) {
		printk(MYIOC_s_ERR_FMT "IOC is in FAULT state (%04xh)!!!\n",
			ioc->name, ioc_raw_state & MPI_DOORBELL_DATA_MASK);
		panic("%s: IOC Fault (%04xh)!!!\n", ioc->name,
			ioc_raw_state & MPI_DOORBELL_DATA_MASK);
	} else {
		CHIPREG_WRITE32(&ioc->chip->Doorbell, 0xC0FFEE00);
		panic("%s: Firmware is halted due to command timeout\n",
			ioc->name);
	}
}
EXPORT_SYMBOL(mpt_halt_firmware);

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/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/*
 *	Reset Handling
 */
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/**
6569
 *	mpt_HardResetHandler - Generic reset handler
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 *	@ioc: Pointer to MPT_ADAPTER structure
 *	@sleepFlag: Indicates if sleep or schedule must be called.
 *
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 *	Issues SCSI Task Management call based on input arg values.
 *	If TaskMgmt fails, returns associated SCSI request.
 *
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 *	Remark: _HardResetHandler can be invoked from an interrupt thread (timer)
 *	or a non-interrupt thread.  In the former, must not call schedule().
 *
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 *	Note: A return of -1 is a FATAL error case, as it means a
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 *	FW reload/initialization failed.
 *
 *	Returns 0 for SUCCESS or -1 if FAILED.
 */
int
mpt_HardResetHandler(MPT_ADAPTER *ioc, int sleepFlag)
{
	int		 rc;
	unsigned long	 flags;

6590
	dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "HardResetHandler Entered!\n", ioc->name));
L
Linus Torvalds 已提交
6591 6592 6593 6594
#ifdef MFCNT
	printk(MYIOC_s_INFO_FMT "HardResetHandler Entered!\n", ioc->name);
	printk("MF count 0x%x !\n", ioc->mfcnt);
#endif
6595 6596
	if (mpt_fwfault_debug)
		mpt_halt_firmware(ioc);
L
Linus Torvalds 已提交
6597 6598 6599 6600 6601 6602 6603 6604 6605 6606 6607 6608 6609 6610 6611 6612 6613 6614

	/* Reset the adapter. Prevent more than 1 call to
	 * mpt_do_ioc_recovery at any instant in time.
	 */
	spin_lock_irqsave(&ioc->diagLock, flags);
	if ((ioc->diagPending) || (ioc->alt_ioc && ioc->alt_ioc->diagPending)){
		spin_unlock_irqrestore(&ioc->diagLock, flags);
		return 0;
	} else {
		ioc->diagPending = 1;
	}
	spin_unlock_irqrestore(&ioc->diagLock, flags);

	/* FIXME: If do_ioc_recovery fails, repeat....
	 */

	/* The SCSI driver needs to adjust timeouts on all current
	 * commands prior to the diagnostic reset being issued.
A
Adrian Bunk 已提交
6615
	 * Prevents timeouts occurring during a diagnostic reset...very bad.
L
Linus Torvalds 已提交
6616 6617 6618
	 * For all other protocol drivers, this is a no-op.
	 */
	{
6619
		u8	 cb_idx;
L
Linus Torvalds 已提交
6620 6621
		int	 r = 0;

6622 6623
		for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) {
			if (MptResetHandlers[cb_idx]) {
6624
				dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Calling IOC reset_setup handler #%d\n",
6625 6626
						ioc->name, cb_idx));
				r += mpt_signal_reset(cb_idx, ioc, MPT_IOC_SETUP_RESET);
L
Linus Torvalds 已提交
6627
				if (ioc->alt_ioc) {
6628
					dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Calling alt-%s setup reset handler #%d\n",
6629 6630
							ioc->name, ioc->alt_ioc->name, cb_idx));
					r += mpt_signal_reset(cb_idx, ioc->alt_ioc, MPT_IOC_SETUP_RESET);
L
Linus Torvalds 已提交
6631 6632 6633 6634 6635 6636
				}
			}
		}
	}

	if ((rc = mpt_do_ioc_recovery(ioc, MPT_HOSTEVENT_IOC_RECOVER, sleepFlag)) != 0) {
6637
		printk(MYIOC_s_WARN_FMT "Cannot recover rc = %d!\n", ioc->name, rc);
L
Linus Torvalds 已提交
6638 6639 6640 6641 6642 6643 6644 6645 6646 6647 6648
	}
	ioc->reload_fw = 0;
	if (ioc->alt_ioc)
		ioc->alt_ioc->reload_fw = 0;

	spin_lock_irqsave(&ioc->diagLock, flags);
	ioc->diagPending = 0;
	if (ioc->alt_ioc)
		ioc->alt_ioc->diagPending = 0;
	spin_unlock_irqrestore(&ioc->diagLock, flags);

6649
	dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "HardResetHandler rc = %d!\n", ioc->name, rc));
L
Linus Torvalds 已提交
6650 6651 6652 6653 6654

	return rc;
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
6655 6656
static void
EventDescriptionStr(u8 event, u32 evData0, char *evStr)
L
Linus Torvalds 已提交
6657
{
6658
	char *ds = NULL;
L
Linus Torvalds 已提交
6659 6660 6661 6662 6663 6664 6665 6666 6667 6668 6669 6670 6671 6672 6673 6674 6675 6676 6677 6678 6679 6680 6681 6682 6683 6684 6685 6686 6687 6688 6689 6690 6691

	switch(event) {
	case MPI_EVENT_NONE:
		ds = "None";
		break;
	case MPI_EVENT_LOG_DATA:
		ds = "Log Data";
		break;
	case MPI_EVENT_STATE_CHANGE:
		ds = "State Change";
		break;
	case MPI_EVENT_UNIT_ATTENTION:
		ds = "Unit Attention";
		break;
	case MPI_EVENT_IOC_BUS_RESET:
		ds = "IOC Bus Reset";
		break;
	case MPI_EVENT_EXT_BUS_RESET:
		ds = "External Bus Reset";
		break;
	case MPI_EVENT_RESCAN:
		ds = "Bus Rescan Event";
		break;
	case MPI_EVENT_LINK_STATUS_CHANGE:
		if (evData0 == MPI_EVENT_LINK_STATUS_FAILURE)
			ds = "Link Status(FAILURE) Change";
		else
			ds = "Link Status(ACTIVE) Change";
		break;
	case MPI_EVENT_LOOP_STATE_CHANGE:
		if (evData0 == MPI_EVENT_LOOP_STATE_CHANGE_LIP)
			ds = "Loop State(LIP) Change";
		else if (evData0 == MPI_EVENT_LOOP_STATE_CHANGE_LPE)
6692
			ds = "Loop State(LPE) Change";		/* ??? */
L
Linus Torvalds 已提交
6693
		else
6694
			ds = "Loop State(LPB) Change";		/* ??? */
L
Linus Torvalds 已提交
6695 6696 6697 6698 6699 6700
		break;
	case MPI_EVENT_LOGOUT:
		ds = "Logout";
		break;
	case MPI_EVENT_EVENT_CHANGE:
		if (evData0)
6701
			ds = "Events ON";
L
Linus Torvalds 已提交
6702
		else
6703
			ds = "Events OFF";
L
Linus Torvalds 已提交
6704 6705
		break;
	case MPI_EVENT_INTEGRATED_RAID:
6706 6707 6708 6709 6710 6711 6712 6713 6714 6715 6716 6717 6718 6719 6720 6721 6722 6723 6724 6725 6726 6727 6728 6729 6730 6731 6732 6733 6734 6735 6736 6737 6738 6739 6740 6741 6742 6743 6744 6745 6746
	{
		u8 ReasonCode = (u8)(evData0 >> 16);
		switch (ReasonCode) {
		case MPI_EVENT_RAID_RC_VOLUME_CREATED :
			ds = "Integrated Raid: Volume Created";
			break;
		case MPI_EVENT_RAID_RC_VOLUME_DELETED :
			ds = "Integrated Raid: Volume Deleted";
			break;
		case MPI_EVENT_RAID_RC_VOLUME_SETTINGS_CHANGED :
			ds = "Integrated Raid: Volume Settings Changed";
			break;
		case MPI_EVENT_RAID_RC_VOLUME_STATUS_CHANGED :
			ds = "Integrated Raid: Volume Status Changed";
			break;
		case MPI_EVENT_RAID_RC_VOLUME_PHYSDISK_CHANGED :
			ds = "Integrated Raid: Volume Physdisk Changed";
			break;
		case MPI_EVENT_RAID_RC_PHYSDISK_CREATED :
			ds = "Integrated Raid: Physdisk Created";
			break;
		case MPI_EVENT_RAID_RC_PHYSDISK_DELETED :
			ds = "Integrated Raid: Physdisk Deleted";
			break;
		case MPI_EVENT_RAID_RC_PHYSDISK_SETTINGS_CHANGED :
			ds = "Integrated Raid: Physdisk Settings Changed";
			break;
		case MPI_EVENT_RAID_RC_PHYSDISK_STATUS_CHANGED :
			ds = "Integrated Raid: Physdisk Status Changed";
			break;
		case MPI_EVENT_RAID_RC_DOMAIN_VAL_NEEDED :
			ds = "Integrated Raid: Domain Validation Needed";
			break;
		case MPI_EVENT_RAID_RC_SMART_DATA :
			ds = "Integrated Raid; Smart Data";
			break;
		case MPI_EVENT_RAID_RC_REPLACE_ACTION_STARTED :
			ds = "Integrated Raid: Replace Action Started";
			break;
		default:
			ds = "Integrated Raid";
L
Linus Torvalds 已提交
6747
		break;
6748 6749 6750 6751 6752 6753 6754 6755
		}
		break;
	}
	case MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE:
		ds = "SCSI Device Status Change";
		break;
	case MPI_EVENT_SAS_DEVICE_STATUS_CHANGE:
	{
6756
		u8 id = (u8)(evData0);
6757
		u8 channel = (u8)(evData0 >> 8);
6758 6759 6760
		u8 ReasonCode = (u8)(evData0 >> 16);
		switch (ReasonCode) {
		case MPI_EVENT_SAS_DEV_STAT_RC_ADDED:
6761
			snprintf(evStr, EVENT_DESCR_STR_SZ,
6762 6763
			    "SAS Device Status Change: Added: "
			    "id=%d channel=%d", id, channel);
6764 6765
			break;
		case MPI_EVENT_SAS_DEV_STAT_RC_NOT_RESPONDING:
6766
			snprintf(evStr, EVENT_DESCR_STR_SZ,
6767 6768
			    "SAS Device Status Change: Deleted: "
			    "id=%d channel=%d", id, channel);
6769 6770
			break;
		case MPI_EVENT_SAS_DEV_STAT_RC_SMART_DATA:
6771
			snprintf(evStr, EVENT_DESCR_STR_SZ,
6772 6773
			    "SAS Device Status Change: SMART Data: "
			    "id=%d channel=%d", id, channel);
6774 6775
			break;
		case MPI_EVENT_SAS_DEV_STAT_RC_NO_PERSIST_ADDED:
6776
			snprintf(evStr, EVENT_DESCR_STR_SZ,
6777 6778 6779 6780 6781 6782 6783
			    "SAS Device Status Change: No Persistancy: "
			    "id=%d channel=%d", id, channel);
			break;
		case MPI_EVENT_SAS_DEV_STAT_RC_UNSUPPORTED:
			snprintf(evStr, EVENT_DESCR_STR_SZ,
			    "SAS Device Status Change: Unsupported Device "
			    "Discovered : id=%d channel=%d", id, channel);
6784 6785 6786
			break;
		case MPI_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET:
			snprintf(evStr, EVENT_DESCR_STR_SZ,
6787 6788
			    "SAS Device Status Change: Internal Device "
			    "Reset : id=%d channel=%d", id, channel);
6789 6790 6791
			break;
		case MPI_EVENT_SAS_DEV_STAT_RC_TASK_ABORT_INTERNAL:
			snprintf(evStr, EVENT_DESCR_STR_SZ,
6792 6793
			    "SAS Device Status Change: Internal Task "
			    "Abort : id=%d channel=%d", id, channel);
6794 6795 6796
			break;
		case MPI_EVENT_SAS_DEV_STAT_RC_ABORT_TASK_SET_INTERNAL:
			snprintf(evStr, EVENT_DESCR_STR_SZ,
6797 6798
			    "SAS Device Status Change: Internal Abort "
			    "Task Set : id=%d channel=%d", id, channel);
6799 6800 6801
			break;
		case MPI_EVENT_SAS_DEV_STAT_RC_CLEAR_TASK_SET_INTERNAL:
			snprintf(evStr, EVENT_DESCR_STR_SZ,
6802 6803
			    "SAS Device Status Change: Internal Clear "
			    "Task Set : id=%d channel=%d", id, channel);
6804 6805 6806
			break;
		case MPI_EVENT_SAS_DEV_STAT_RC_QUERY_TASK_INTERNAL:
			snprintf(evStr, EVENT_DESCR_STR_SZ,
6807 6808
			    "SAS Device Status Change: Internal Query "
			    "Task : id=%d channel=%d", id, channel);
6809 6810
			break;
		default:
6811
			snprintf(evStr, EVENT_DESCR_STR_SZ,
6812 6813
			    "SAS Device Status Change: Unknown: "
			    "id=%d channel=%d", id, channel);
6814
			break;
6815 6816 6817 6818 6819 6820 6821
		}
		break;
	}
	case MPI_EVENT_ON_BUS_TIMER_EXPIRED:
		ds = "Bus Timer Expired";
		break;
	case MPI_EVENT_QUEUE_FULL:
6822 6823 6824 6825 6826 6827 6828 6829
	{
		u16 curr_depth = (u16)(evData0 >> 16);
		u8 channel = (u8)(evData0 >> 8);
		u8 id = (u8)(evData0);

		snprintf(evStr, EVENT_DESCR_STR_SZ,
		   "Queue Full: channel=%d id=%d depth=%d",
		   channel, id, curr_depth);
6830
		break;
6831
	}
6832 6833 6834 6835 6836 6837 6838
	case MPI_EVENT_SAS_SES:
		ds = "SAS SES Event";
		break;
	case MPI_EVENT_PERSISTENT_TABLE_FULL:
		ds = "Persistent Table Full";
		break;
	case MPI_EVENT_SAS_PHY_LINK_STATUS:
6839 6840 6841 6842 6843 6844 6845
	{
		u8 LinkRates = (u8)(evData0 >> 8);
		u8 PhyNumber = (u8)(evData0);
		LinkRates = (LinkRates & MPI_EVENT_SAS_PLS_LR_CURRENT_MASK) >>
			MPI_EVENT_SAS_PLS_LR_CURRENT_SHIFT;
		switch (LinkRates) {
		case MPI_EVENT_SAS_PLS_LR_RATE_UNKNOWN:
6846 6847
			snprintf(evStr, EVENT_DESCR_STR_SZ,
			   "SAS PHY Link Status: Phy=%d:"
6848 6849 6850
			   " Rate Unknown",PhyNumber);
			break;
		case MPI_EVENT_SAS_PLS_LR_RATE_PHY_DISABLED:
6851 6852
			snprintf(evStr, EVENT_DESCR_STR_SZ,
			   "SAS PHY Link Status: Phy=%d:"
6853 6854 6855
			   " Phy Disabled",PhyNumber);
			break;
		case MPI_EVENT_SAS_PLS_LR_RATE_FAILED_SPEED_NEGOTIATION:
6856 6857
			snprintf(evStr, EVENT_DESCR_STR_SZ,
			   "SAS PHY Link Status: Phy=%d:"
6858 6859 6860
			   " Failed Speed Nego",PhyNumber);
			break;
		case MPI_EVENT_SAS_PLS_LR_RATE_SATA_OOB_COMPLETE:
6861 6862
			snprintf(evStr, EVENT_DESCR_STR_SZ,
			   "SAS PHY Link Status: Phy=%d:"
6863 6864 6865
			   " Sata OOB Completed",PhyNumber);
			break;
		case MPI_EVENT_SAS_PLS_LR_RATE_1_5:
6866 6867
			snprintf(evStr, EVENT_DESCR_STR_SZ,
			   "SAS PHY Link Status: Phy=%d:"
6868 6869 6870
			   " Rate 1.5 Gbps",PhyNumber);
			break;
		case MPI_EVENT_SAS_PLS_LR_RATE_3_0:
6871 6872
			snprintf(evStr, EVENT_DESCR_STR_SZ,
			   "SAS PHY Link Status: Phy=%d:"
6873 6874 6875
			   " Rate 3.0 Gpbs",PhyNumber);
			break;
		default:
6876 6877
			snprintf(evStr, EVENT_DESCR_STR_SZ,
			   "SAS PHY Link Status: Phy=%d", PhyNumber);
6878 6879
			break;
		}
6880
		break;
6881
	}
6882 6883 6884
	case MPI_EVENT_SAS_DISCOVERY_ERROR:
		ds = "SAS Discovery Error";
		break;
6885 6886 6887
	case MPI_EVENT_IR_RESYNC_UPDATE:
	{
		u8 resync_complete = (u8)(evData0 >> 16);
6888 6889
		snprintf(evStr, EVENT_DESCR_STR_SZ,
		    "IR Resync Update: Complete = %d:",resync_complete);
6890 6891 6892 6893 6894 6895 6896 6897 6898 6899 6900 6901 6902 6903 6904 6905 6906 6907 6908 6909 6910 6911 6912 6913 6914 6915 6916 6917 6918 6919 6920 6921 6922 6923 6924 6925 6926 6927 6928 6929 6930 6931 6932 6933
		break;
	}
	case MPI_EVENT_IR2:
	{
		u8 ReasonCode = (u8)(evData0 >> 16);
		switch (ReasonCode) {
		case MPI_EVENT_IR2_RC_LD_STATE_CHANGED:
			ds = "IR2: LD State Changed";
			break;
		case MPI_EVENT_IR2_RC_PD_STATE_CHANGED:
			ds = "IR2: PD State Changed";
			break;
		case MPI_EVENT_IR2_RC_BAD_BLOCK_TABLE_FULL:
			ds = "IR2: Bad Block Table Full";
			break;
		case MPI_EVENT_IR2_RC_PD_INSERTED:
			ds = "IR2: PD Inserted";
			break;
		case MPI_EVENT_IR2_RC_PD_REMOVED:
			ds = "IR2: PD Removed";
			break;
		case MPI_EVENT_IR2_RC_FOREIGN_CFG_DETECTED:
			ds = "IR2: Foreign CFG Detected";
			break;
		case MPI_EVENT_IR2_RC_REBUILD_MEDIUM_ERROR:
			ds = "IR2: Rebuild Medium Error";
			break;
		default:
			ds = "IR2";
		break;
		}
		break;
	}
	case MPI_EVENT_SAS_DISCOVERY:
	{
		if (evData0)
			ds = "SAS Discovery: Start";
		else
			ds = "SAS Discovery: Stop";
		break;
	}
	case MPI_EVENT_LOG_ENTRY_ADDED:
		ds = "SAS Log Entry Added";
		break;
6934

6935 6936 6937 6938 6939 6940 6941 6942 6943 6944 6945 6946 6947 6948 6949 6950 6951 6952 6953 6954 6955 6956 6957 6958 6959 6960 6961 6962 6963 6964 6965 6966 6967 6968 6969 6970 6971 6972 6973 6974 6975 6976 6977 6978 6979 6980 6981 6982 6983 6984 6985 6986 6987 6988 6989 6990 6991 6992 6993 6994 6995 6996 6997 6998 6999 7000 7001 7002 7003 7004
	case MPI_EVENT_SAS_BROADCAST_PRIMITIVE:
	{
		u8 phy_num = (u8)(evData0);
		u8 port_num = (u8)(evData0 >> 8);
		u8 port_width = (u8)(evData0 >> 16);
		u8 primative = (u8)(evData0 >> 24);
		snprintf(evStr, EVENT_DESCR_STR_SZ,
		    "SAS Broadcase Primative: phy=%d port=%d "
		    "width=%d primative=0x%02x",
		    phy_num, port_num, port_width, primative);
		break;
	}

	case MPI_EVENT_SAS_INIT_DEVICE_STATUS_CHANGE:
	{
		u8 reason = (u8)(evData0);
		u8 port_num = (u8)(evData0 >> 8);
		u16 handle = le16_to_cpu(evData0 >> 16);

		snprintf(evStr, EVENT_DESCR_STR_SZ,
		    "SAS Initiator Device Status Change: reason=0x%02x "
		    "port=%d handle=0x%04x",
		    reason, port_num, handle);
		break;
	}

	case MPI_EVENT_SAS_INIT_TABLE_OVERFLOW:
	{
		u8 max_init = (u8)(evData0);
		u8 current_init = (u8)(evData0 >> 8);

		snprintf(evStr, EVENT_DESCR_STR_SZ,
		    "SAS Initiator Device Table Overflow: max initiators=%02d "
		    "current initators=%02d",
		    max_init, current_init);
		break;
	}
	case MPI_EVENT_SAS_SMP_ERROR:
	{
		u8 status = (u8)(evData0);
		u8 port_num = (u8)(evData0 >> 8);
		u8 result = (u8)(evData0 >> 16);

		if (status == MPI_EVENT_SAS_SMP_FUNCTION_RESULT_VALID)
			snprintf(evStr, EVENT_DESCR_STR_SZ,
			    "SAS SMP Error: port=%d result=0x%02x",
			    port_num, result);
		else if (status == MPI_EVENT_SAS_SMP_CRC_ERROR)
			snprintf(evStr, EVENT_DESCR_STR_SZ,
			    "SAS SMP Error: port=%d : CRC Error",
			    port_num);
		else if (status == MPI_EVENT_SAS_SMP_TIMEOUT)
			snprintf(evStr, EVENT_DESCR_STR_SZ,
			    "SAS SMP Error: port=%d : Timeout",
			    port_num);
		else if (status == MPI_EVENT_SAS_SMP_NO_DESTINATION)
			snprintf(evStr, EVENT_DESCR_STR_SZ,
			    "SAS SMP Error: port=%d : No Destination",
			    port_num);
		else if (status == MPI_EVENT_SAS_SMP_BAD_DESTINATION)
			snprintf(evStr, EVENT_DESCR_STR_SZ,
			    "SAS SMP Error: port=%d : Bad Destination",
			    port_num);
		else
			snprintf(evStr, EVENT_DESCR_STR_SZ,
			    "SAS SMP Error: port=%d : status=0x%02x",
			    port_num, status);
		break;
	}

L
Linus Torvalds 已提交
7005 7006 7007 7008 7009 7010 7011
	/*
	 *  MPT base "custom" events may be added here...
	 */
	default:
		ds = "Unknown";
		break;
	}
7012 7013
	if (ds)
		strncpy(evStr, ds, EVENT_DESCR_STR_SZ);
L
Linus Torvalds 已提交
7014 7015 7016
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
7017 7018
/**
 *	ProcessEventNotification - Route EventNotificationReply to all event handlers
L
Linus Torvalds 已提交
7019 7020 7021 7022
 *	@ioc: Pointer to MPT_ADAPTER structure
 *	@pEventReply: Pointer to EventNotification reply frame
 *	@evHandlers: Pointer to integer, number of event handlers
 *
7023 7024
 *	Routes a received EventNotificationReply to all currently registered
 *	event handlers.
L
Linus Torvalds 已提交
7025 7026 7027 7028 7029 7030 7031 7032 7033
 *	Returns sum of event handlers return values.
 */
static int
ProcessEventNotification(MPT_ADAPTER *ioc, EventNotificationReply_t *pEventReply, int *evHandlers)
{
	u16 evDataLen;
	u32 evData0 = 0;
//	u32 evCtx;
	int ii;
7034
	u8 cb_idx;
L
Linus Torvalds 已提交
7035 7036
	int r = 0;
	int handlers = 0;
7037
	char evStr[EVENT_DESCR_STR_SZ];
L
Linus Torvalds 已提交
7038 7039 7040 7041 7042 7043 7044 7045 7046 7047 7048 7049
	u8 event;

	/*
	 *  Do platform normalization of values
	 */
	event = le32_to_cpu(pEventReply->Event) & 0xFF;
//	evCtx = le32_to_cpu(pEventReply->EventContext);
	evDataLen = le16_to_cpu(pEventReply->EventDataLength);
	if (evDataLen) {
		evData0 = le32_to_cpu(pEventReply->Data[0]);
	}

7050
	EventDescriptionStr(event, evData0, evStr);
7051
	devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "MPT event:(%02Xh) : %s\n",
L
Linus Torvalds 已提交
7052
			ioc->name,
7053 7054
			event,
			evStr));
L
Linus Torvalds 已提交
7055

7056
#ifdef CONFIG_FUSION_LOGGING
7057 7058
	devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
	    ": Event data:\n", ioc->name));
L
Linus Torvalds 已提交
7059
	for (ii = 0; ii < evDataLen; ii++)
7060 7061
		devtverboseprintk(ioc, printk(" %08x",
		    le32_to_cpu(pEventReply->Data[ii])));
7062
	devtverboseprintk(ioc, printk("\n"));
L
Linus Torvalds 已提交
7063 7064 7065 7066 7067 7068 7069 7070 7071 7072 7073 7074 7075 7076 7077 7078 7079 7080
#endif

	/*
	 *  Do general / base driver event processing
	 */
	switch(event) {
	case MPI_EVENT_EVENT_CHANGE:		/* 0A */
		if (evDataLen) {
			u8 evState = evData0 & 0xFF;

			/* CHECKME! What if evState unexpectedly says OFF (0)? */

			/* Update EventState field in cached IocFacts */
			if (ioc->facts.Function) {
				ioc->facts.EventState = evState;
			}
		}
		break;
7081 7082 7083 7084
	case MPI_EVENT_INTEGRATED_RAID:
		mptbase_raid_process_event_data(ioc,
		    (MpiEventDataRaid_t *)pEventReply->Data);
		break;
7085 7086
	default:
		break;
L
Linus Torvalds 已提交
7087 7088 7089 7090 7091 7092 7093 7094 7095
	}

	/*
	 * Should this event be logged? Events are written sequentially.
	 * When buffer is full, start again at the top.
	 */
	if (ioc->events && (ioc->eventTypes & ( 1 << event))) {
		int idx;

7096
		idx = ioc->eventContext % MPTCTL_EVENT_LOG_SIZE;
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7097 7098 7099 7100 7101 7102 7103 7104 7105 7106 7107 7108 7109 7110 7111 7112 7113 7114

		ioc->events[idx].event = event;
		ioc->events[idx].eventContext = ioc->eventContext;

		for (ii = 0; ii < 2; ii++) {
			if (ii < evDataLen)
				ioc->events[idx].data[ii] = le32_to_cpu(pEventReply->Data[ii]);
			else
				ioc->events[idx].data[ii] =  0;
		}

		ioc->eventContext++;
	}


	/*
	 *  Call each currently registered protocol event handler.
	 */
7115
	for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) {
7116
		if (MptEvHandlers[cb_idx]) {
7117
			devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Routing Event to event handler #%d\n",
7118 7119
					ioc->name, cb_idx));
			r += (*(MptEvHandlers[cb_idx]))(ioc, pEventReply);
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7120 7121 7122 7123 7124 7125 7126 7127 7128
			handlers++;
		}
	}
	/* FIXME?  Examine results here? */

	/*
	 *  If needed, send (a single) EventAck.
	 */
	if (pEventReply->AckRequired == MPI_EVENT_NOTIFICATION_ACK_REQUIRED) {
7129
		devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
7130
			"EventAck required\n",ioc->name));
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7131
		if ((ii = SendEventAck(ioc, pEventReply)) != 0) {
7132
			devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT "SendEventAck returned %d\n",
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7133 7134 7135 7136 7137 7138 7139 7140 7141
					ioc->name, ii));
		}
	}

	*evHandlers = handlers;
	return r;
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
7142
/**
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7143 7144 7145 7146
 *	mpt_fc_log_info - Log information returned from Fibre Channel IOC.
 *	@ioc: Pointer to MPT_ADAPTER structure
 *	@log_info: U32 LogInfo reply word from the IOC
 *
7147
 *	Refer to lsi/mpi_log_fc.h.
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 */
static void
mpt_fc_log_info(MPT_ADAPTER *ioc, u32 log_info)
{
7152 7153 7154 7155 7156 7157 7158 7159 7160 7161 7162 7163 7164 7165 7166 7167 7168 7169 7170 7171 7172 7173 7174 7175 7176 7177 7178 7179 7180 7181 7182
	char *desc = "unknown";

	switch (log_info & 0xFF000000) {
	case MPI_IOCLOGINFO_FC_INIT_BASE:
		desc = "FCP Initiator";
		break;
	case MPI_IOCLOGINFO_FC_TARGET_BASE:
		desc = "FCP Target";
		break;
	case MPI_IOCLOGINFO_FC_LAN_BASE:
		desc = "LAN";
		break;
	case MPI_IOCLOGINFO_FC_MSG_BASE:
		desc = "MPI Message Layer";
		break;
	case MPI_IOCLOGINFO_FC_LINK_BASE:
		desc = "FC Link";
		break;
	case MPI_IOCLOGINFO_FC_CTX_BASE:
		desc = "Context Manager";
		break;
	case MPI_IOCLOGINFO_FC_INVALID_FIELD_BYTE_OFFSET:
		desc = "Invalid Field Offset";
		break;
	case MPI_IOCLOGINFO_FC_STATE_CHANGE:
		desc = "State Change Info";
		break;
	}

	printk(MYIOC_s_INFO_FMT "LogInfo(0x%08x): SubClass={%s}, Value=(0x%06x)\n",
			ioc->name, log_info, desc, (log_info & 0xFFFFFF));
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}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
7186
/**
7187
 *	mpt_spi_log_info - Log information returned from SCSI Parallel IOC.
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 *	@ioc: Pointer to MPT_ADAPTER structure
 *	@log_info: U32 LogInfo word from the IOC
 *
 *	Refer to lsi/sp_log.h.
 */
static void
7194
mpt_spi_log_info(MPT_ADAPTER *ioc, u32 log_info)
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7195 7196 7197 7198 7199 7200 7201 7202 7203 7204 7205 7206 7207 7208 7209 7210 7211 7212 7213 7214 7215 7216 7217 7218 7219 7220 7221 7222 7223 7224 7225 7226 7227 7228 7229 7230 7231 7232
{
	u32 info = log_info & 0x00FF0000;
	char *desc = "unknown";

	switch (info) {
	case 0x00010000:
		desc = "bug! MID not found";
		if (ioc->reload_fw == 0)
			ioc->reload_fw++;
		break;

	case 0x00020000:
		desc = "Parity Error";
		break;

	case 0x00030000:
		desc = "ASYNC Outbound Overrun";
		break;

	case 0x00040000:
		desc = "SYNC Offset Error";
		break;

	case 0x00050000:
		desc = "BM Change";
		break;

	case 0x00060000:
		desc = "Msg In Overflow";
		break;

	case 0x00070000:
		desc = "DMA Error";
		break;

	case 0x00080000:
		desc = "Outbound DMA Overrun";
		break;
7233

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7234 7235 7236 7237 7238 7239 7240 7241 7242 7243 7244 7245 7246 7247 7248
	case 0x00090000:
		desc = "Task Management";
		break;

	case 0x000A0000:
		desc = "Device Problem";
		break;

	case 0x000B0000:
		desc = "Invalid Phase Change";
		break;

	case 0x000C0000:
		desc = "Untagged Table Size";
		break;
7249

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7250 7251 7252 7253 7254
	}

	printk(MYIOC_s_INFO_FMT "LogInfo(0x%08x): F/W: %s\n", ioc->name, log_info, desc);
}

7255 7256 7257 7258 7259 7260 7261 7262 7263 7264 7265
/* strings for sas loginfo */
	static char *originator_str[] = {
		"IOP",						/* 00h */
		"PL",						/* 01h */
		"IR"						/* 02h */
	};
	static char *iop_code_str[] = {
		NULL,						/* 00h */
		"Invalid SAS Address",				/* 01h */
		NULL,						/* 02h */
		"Invalid Page",					/* 03h */
7266 7267 7268 7269
		"Diag Message Error",				/* 04h */
		"Task Terminated",				/* 05h */
		"Enclosure Management",				/* 06h */
		"Target Mode"					/* 07h */
7270 7271 7272 7273 7274 7275 7276 7277 7278 7279 7280 7281 7282 7283 7284 7285 7286 7287 7288 7289 7290 7291 7292
	};
	static char *pl_code_str[] = {
		NULL,						/* 00h */
		"Open Failure",					/* 01h */
		"Invalid Scatter Gather List",			/* 02h */
		"Wrong Relative Offset or Frame Length",	/* 03h */
		"Frame Transfer Error",				/* 04h */
		"Transmit Frame Connected Low",			/* 05h */
		"SATA Non-NCQ RW Error Bit Set",		/* 06h */
		"SATA Read Log Receive Data Error",		/* 07h */
		"SATA NCQ Fail All Commands After Error",	/* 08h */
		"SATA Error in Receive Set Device Bit FIS",	/* 09h */
		"Receive Frame Invalid Message",		/* 0Ah */
		"Receive Context Message Valid Error",		/* 0Bh */
		"Receive Frame Current Frame Error",		/* 0Ch */
		"SATA Link Down",				/* 0Dh */
		"Discovery SATA Init W IOS",			/* 0Eh */
		"Config Invalid Page",				/* 0Fh */
		"Discovery SATA Init Timeout",			/* 10h */
		"Reset",					/* 11h */
		"Abort",					/* 12h */
		"IO Not Yet Executed",				/* 13h */
		"IO Executed",					/* 14h */
7293 7294
		"Persistent Reservation Out Not Affiliation "
		    "Owner", 					/* 15h */
7295
		"Open Transmit DMA Abort",			/* 16h */
7296
		"IO Device Missing Delay Retry",		/* 17h */
7297
		"IO Cancelled Due to Recieve Error",		/* 18h */
7298 7299 7300 7301 7302 7303 7304 7305 7306
		NULL,						/* 19h */
		NULL,						/* 1Ah */
		NULL,						/* 1Bh */
		NULL,						/* 1Ch */
		NULL,						/* 1Dh */
		NULL,						/* 1Eh */
		NULL,						/* 1Fh */
		"Enclosure Management"				/* 20h */
	};
7307 7308 7309 7310 7311 7312 7313 7314 7315 7316 7317 7318 7319 7320 7321 7322 7323 7324 7325 7326 7327 7328 7329 7330 7331 7332 7333 7334 7335 7336 7337 7338 7339 7340 7341 7342 7343 7344 7345 7346 7347 7348 7349 7350 7351 7352 7353 7354 7355 7356 7357 7358 7359 7360 7361 7362 7363 7364 7365 7366 7367 7368 7369 7370 7371 7372 7373 7374 7375 7376 7377 7378 7379 7380 7381 7382 7383 7384 7385 7386 7387 7388 7389 7390 7391 7392 7393 7394 7395 7396
	static char *ir_code_str[] = {
		"Raid Action Error",				/* 00h */
		NULL,						/* 00h */
		NULL,						/* 01h */
		NULL,						/* 02h */
		NULL,						/* 03h */
		NULL,						/* 04h */
		NULL,						/* 05h */
		NULL,						/* 06h */
		NULL						/* 07h */
	};
	static char *raid_sub_code_str[] = {
		NULL, 						/* 00h */
		"Volume Creation Failed: Data Passed too "
		    "Large", 					/* 01h */
		"Volume Creation Failed: Duplicate Volumes "
		    "Attempted", 				/* 02h */
		"Volume Creation Failed: Max Number "
		    "Supported Volumes Exceeded",		/* 03h */
		"Volume Creation Failed: DMA Error",		/* 04h */
		"Volume Creation Failed: Invalid Volume Type",	/* 05h */
		"Volume Creation Failed: Error Reading "
		    "MFG Page 4", 				/* 06h */
		"Volume Creation Failed: Creating Internal "
		    "Structures", 				/* 07h */
		NULL,						/* 08h */
		NULL,						/* 09h */
		NULL,						/* 0Ah */
		NULL,						/* 0Bh */
		NULL,						/* 0Ch */
		NULL,						/* 0Dh */
		NULL,						/* 0Eh */
		NULL,						/* 0Fh */
		"Activation failed: Already Active Volume", 	/* 10h */
		"Activation failed: Unsupported Volume Type", 	/* 11h */
		"Activation failed: Too Many Active Volumes", 	/* 12h */
		"Activation failed: Volume ID in Use", 		/* 13h */
		"Activation failed: Reported Failure", 		/* 14h */
		"Activation failed: Importing a Volume", 	/* 15h */
		NULL,						/* 16h */
		NULL,						/* 17h */
		NULL,						/* 18h */
		NULL,						/* 19h */
		NULL,						/* 1Ah */
		NULL,						/* 1Bh */
		NULL,						/* 1Ch */
		NULL,						/* 1Dh */
		NULL,						/* 1Eh */
		NULL,						/* 1Fh */
		"Phys Disk failed: Too Many Phys Disks", 	/* 20h */
		"Phys Disk failed: Data Passed too Large",	/* 21h */
		"Phys Disk failed: DMA Error", 			/* 22h */
		"Phys Disk failed: Invalid <channel:id>", 	/* 23h */
		"Phys Disk failed: Creating Phys Disk Config "
		    "Page", 					/* 24h */
		NULL,						/* 25h */
		NULL,						/* 26h */
		NULL,						/* 27h */
		NULL,						/* 28h */
		NULL,						/* 29h */
		NULL,						/* 2Ah */
		NULL,						/* 2Bh */
		NULL,						/* 2Ch */
		NULL,						/* 2Dh */
		NULL,						/* 2Eh */
		NULL,						/* 2Fh */
		"Compatibility Error: IR Disabled",		/* 30h */
		"Compatibility Error: Inquiry Comand Failed",	/* 31h */
		"Compatibility Error: Device not Direct Access "
		    "Device ",					/* 32h */
		"Compatibility Error: Removable Device Found",	/* 33h */
		"Compatibility Error: Device SCSI Version not "
		    "2 or Higher", 				/* 34h */
		"Compatibility Error: SATA Device, 48 BIT LBA "
		    "not Supported", 				/* 35h */
		"Compatibility Error: Device doesn't have "
		    "512 Byte Block Sizes", 			/* 36h */
		"Compatibility Error: Volume Type Check Failed", /* 37h */
		"Compatibility Error: Volume Type is "
		    "Unsupported by FW", 			/* 38h */
		"Compatibility Error: Disk Drive too Small for "
		    "use in Volume", 				/* 39h */
		"Compatibility Error: Phys Disk for Create "
		    "Volume not Found", 			/* 3Ah */
		"Compatibility Error: Too Many or too Few "
		    "Disks for Volume Type", 			/* 3Bh */
		"Compatibility Error: Disk stripe Sizes "
		    "Must be 64KB", 				/* 3Ch */
		"Compatibility Error: IME Size Limited to < 2TB", /* 3Dh */
	};
7397 7398

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
7399
/**
7400 7401 7402 7403 7404
 *	mpt_sas_log_info - Log information returned from SAS IOC.
 *	@ioc: Pointer to MPT_ADAPTER structure
 *	@log_info: U32 LogInfo reply word from the IOC
 *
 *	Refer to lsi/mpi_log_sas.h.
7405
 **/
7406 7407 7408 7409 7410 7411 7412 7413 7414 7415 7416 7417 7418
static void
mpt_sas_log_info(MPT_ADAPTER *ioc, u32 log_info)
{
union loginfo_type {
	u32	loginfo;
	struct {
		u32	subcode:16;
		u32	code:8;
		u32	originator:4;
		u32	bus_type:4;
	}dw;
};
	union loginfo_type sas_loginfo;
7419
	char *originator_desc = NULL;
7420
	char *code_desc = NULL;
7421
	char *sub_code_desc = NULL;
7422 7423 7424

	sas_loginfo.loginfo = log_info;
	if ((sas_loginfo.dw.bus_type != 3 /*SAS*/) &&
J
Julia Lawall 已提交
7425
	    (sas_loginfo.dw.originator < ARRAY_SIZE(originator_str)))
7426
		return;
7427 7428 7429 7430 7431 7432 7433

	originator_desc = originator_str[sas_loginfo.dw.originator];

	switch (sas_loginfo.dw.originator) {

		case 0:  /* IOP */
			if (sas_loginfo.dw.code <
J
Julia Lawall 已提交
7434
			    ARRAY_SIZE(iop_code_str))
7435 7436 7437 7438
				code_desc = iop_code_str[sas_loginfo.dw.code];
			break;
		case 1:  /* PL */
			if (sas_loginfo.dw.code <
J
Julia Lawall 已提交
7439
			    ARRAY_SIZE(pl_code_str))
7440 7441 7442 7443
				code_desc = pl_code_str[sas_loginfo.dw.code];
			break;
		case 2:  /* IR */
			if (sas_loginfo.dw.code >=
J
Julia Lawall 已提交
7444
			    ARRAY_SIZE(ir_code_str))
7445 7446 7447
				break;
			code_desc = ir_code_str[sas_loginfo.dw.code];
			if (sas_loginfo.dw.subcode >=
J
Julia Lawall 已提交
7448
			    ARRAY_SIZE(raid_sub_code_str))
7449 7450 7451 7452 7453 7454 7455
			break;
			if (sas_loginfo.dw.code == 0)
				sub_code_desc =
				    raid_sub_code_str[sas_loginfo.dw.subcode];
			break;
		default:
			return;
7456 7457
	}

7458 7459 7460 7461 7462 7463 7464
	if (sub_code_desc != NULL)
		printk(MYIOC_s_INFO_FMT
			"LogInfo(0x%08x): Originator={%s}, Code={%s},"
			" SubCode={%s}\n",
			ioc->name, log_info, originator_desc, code_desc,
			sub_code_desc);
	else if (code_desc != NULL)
7465 7466 7467
		printk(MYIOC_s_INFO_FMT
			"LogInfo(0x%08x): Originator={%s}, Code={%s},"
			" SubCode(0x%04x)\n",
7468
			ioc->name, log_info, originator_desc, code_desc,
7469 7470 7471 7472 7473
			sas_loginfo.dw.subcode);
	else
		printk(MYIOC_s_INFO_FMT
			"LogInfo(0x%08x): Originator={%s}, Code=(0x%02x),"
			" SubCode(0x%04x)\n",
7474 7475
			ioc->name, log_info, originator_desc,
			sas_loginfo.dw.code, sas_loginfo.dw.subcode);
7476 7477
}

L
Linus Torvalds 已提交
7478
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
7479
/**
7480 7481
 *	mpt_iocstatus_info_config - IOCSTATUS information for config pages
 *	@ioc: Pointer to MPT_ADAPTER structure
7482
 *	@ioc_status: U32 IOCStatus word from IOC
7483 7484 7485 7486 7487 7488 7489 7490 7491 7492 7493 7494 7495 7496 7497 7498 7499 7500 7501 7502 7503 7504 7505 7506 7507 7508 7509 7510 7511 7512 7513 7514 7515 7516 7517 7518 7519 7520 7521 7522 7523 7524 7525 7526 7527 7528 7529 7530 7531 7532 7533 7534 7535 7536 7537 7538 7539 7540 7541 7542 7543 7544 7545 7546 7547 7548 7549 7550 7551 7552
 *	@mf: Pointer to MPT request frame
 *
 *	Refer to lsi/mpi.h.
 **/
static void
mpt_iocstatus_info_config(MPT_ADAPTER *ioc, u32 ioc_status, MPT_FRAME_HDR *mf)
{
	Config_t *pReq = (Config_t *)mf;
	char extend_desc[EVENT_DESCR_STR_SZ];
	char *desc = NULL;
	u32 form;
	u8 page_type;

	if (pReq->Header.PageType == MPI_CONFIG_PAGETYPE_EXTENDED)
		page_type = pReq->ExtPageType;
	else
		page_type = pReq->Header.PageType;

	/*
	 * ignore invalid page messages for GET_NEXT_HANDLE
	 */
	form = le32_to_cpu(pReq->PageAddress);
	if (ioc_status == MPI_IOCSTATUS_CONFIG_INVALID_PAGE) {
		if (page_type == MPI_CONFIG_EXTPAGETYPE_SAS_DEVICE ||
		    page_type == MPI_CONFIG_EXTPAGETYPE_SAS_EXPANDER ||
		    page_type == MPI_CONFIG_EXTPAGETYPE_ENCLOSURE) {
			if ((form >> MPI_SAS_DEVICE_PGAD_FORM_SHIFT) ==
				MPI_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE)
				return;
		}
		if (page_type == MPI_CONFIG_PAGETYPE_FC_DEVICE)
			if ((form & MPI_FC_DEVICE_PGAD_FORM_MASK) ==
				MPI_FC_DEVICE_PGAD_FORM_NEXT_DID)
				return;
	}

	snprintf(extend_desc, EVENT_DESCR_STR_SZ,
	    "type=%02Xh, page=%02Xh, action=%02Xh, form=%08Xh",
	    page_type, pReq->Header.PageNumber, pReq->Action, form);

	switch (ioc_status) {

	case MPI_IOCSTATUS_CONFIG_INVALID_ACTION: /* 0x0020 */
		desc = "Config Page Invalid Action";
		break;

	case MPI_IOCSTATUS_CONFIG_INVALID_TYPE:   /* 0x0021 */
		desc = "Config Page Invalid Type";
		break;

	case MPI_IOCSTATUS_CONFIG_INVALID_PAGE:   /* 0x0022 */
		desc = "Config Page Invalid Page";
		break;

	case MPI_IOCSTATUS_CONFIG_INVALID_DATA:   /* 0x0023 */
		desc = "Config Page Invalid Data";
		break;

	case MPI_IOCSTATUS_CONFIG_NO_DEFAULTS:    /* 0x0024 */
		desc = "Config Page No Defaults";
		break;

	case MPI_IOCSTATUS_CONFIG_CANT_COMMIT:    /* 0x0025 */
		desc = "Config Page Can't Commit";
		break;
	}

	if (!desc)
		return;

7553 7554
	dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT "IOCStatus(0x%04X): %s: %s\n",
	    ioc->name, ioc_status, desc, extend_desc));
7555 7556 7557 7558
}

/**
 *	mpt_iocstatus_info - IOCSTATUS information returned from IOC.
L
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7559 7560 7561 7562 7563
 *	@ioc: Pointer to MPT_ADAPTER structure
 *	@ioc_status: U32 IOCStatus word from IOC
 *	@mf: Pointer to MPT request frame
 *
 *	Refer to lsi/mpi.h.
7564
 **/
L
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7565
static void
7566
mpt_iocstatus_info(MPT_ADAPTER *ioc, u32 ioc_status, MPT_FRAME_HDR *mf)
L
Linus Torvalds 已提交
7567 7568
{
	u32 status = ioc_status & MPI_IOCSTATUS_MASK;
7569
	char *desc = NULL;
L
Linus Torvalds 已提交
7570 7571

	switch (status) {
7572 7573 7574 7575 7576

/****************************************************************************/
/*  Common IOCStatus values for all replies                                 */
/****************************************************************************/

L
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7577 7578 7579 7580 7581 7582 7583 7584 7585 7586 7587 7588 7589 7590 7591 7592 7593 7594 7595 7596 7597 7598 7599 7600 7601 7602 7603 7604 7605 7606 7607 7608
	case MPI_IOCSTATUS_INVALID_FUNCTION: /* 0x0001 */
		desc = "Invalid Function";
		break;

	case MPI_IOCSTATUS_BUSY: /* 0x0002 */
		desc = "Busy";
		break;

	case MPI_IOCSTATUS_INVALID_SGL: /* 0x0003 */
		desc = "Invalid SGL";
		break;

	case MPI_IOCSTATUS_INTERNAL_ERROR: /* 0x0004 */
		desc = "Internal Error";
		break;

	case MPI_IOCSTATUS_RESERVED: /* 0x0005 */
		desc = "Reserved";
		break;

	case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES: /* 0x0006 */
		desc = "Insufficient Resources";
		break;

	case MPI_IOCSTATUS_INVALID_FIELD: /* 0x0007 */
		desc = "Invalid Field";
		break;

	case MPI_IOCSTATUS_INVALID_STATE: /* 0x0008 */
		desc = "Invalid State";
		break;

7609 7610 7611 7612
/****************************************************************************/
/*  Config IOCStatus values                                                 */
/****************************************************************************/

L
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7613 7614 7615 7616 7617 7618
	case MPI_IOCSTATUS_CONFIG_INVALID_ACTION: /* 0x0020 */
	case MPI_IOCSTATUS_CONFIG_INVALID_TYPE:   /* 0x0021 */
	case MPI_IOCSTATUS_CONFIG_INVALID_PAGE:   /* 0x0022 */
	case MPI_IOCSTATUS_CONFIG_INVALID_DATA:   /* 0x0023 */
	case MPI_IOCSTATUS_CONFIG_NO_DEFAULTS:    /* 0x0024 */
	case MPI_IOCSTATUS_CONFIG_CANT_COMMIT:    /* 0x0025 */
7619
		mpt_iocstatus_info_config(ioc, status, mf);
L
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7620 7621
		break;

7622 7623 7624 7625 7626 7627 7628
/****************************************************************************/
/*  SCSIIO Reply (SPI, FCP, SAS) initiator values                           */
/*                                                                          */
/*  Look at mptscsih_iocstatus_info_scsiio in mptscsih.c */
/*                                                                          */
/****************************************************************************/

L
Linus Torvalds 已提交
7629
	case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: /* 0x0040 */
7630 7631 7632 7633 7634 7635 7636 7637 7638 7639 7640 7641
	case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* 0x0045 */
	case MPI_IOCSTATUS_SCSI_INVALID_BUS: /* 0x0041 */
	case MPI_IOCSTATUS_SCSI_INVALID_TARGETID: /* 0x0042 */
	case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: /* 0x0043 */
	case MPI_IOCSTATUS_SCSI_DATA_OVERRUN: /* 0x0044 */
	case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: /* 0x0046 */
	case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: /* 0x0047 */
	case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */
	case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: /* 0x0049 */
	case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED: /* 0x004A */
	case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: /* 0x004B */
	case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */
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		break;

7644 7645 7646 7647 7648 7649
/****************************************************************************/
/*  SCSI Target values                                                      */
/****************************************************************************/

	case MPI_IOCSTATUS_TARGET_PRIORITY_IO: /* 0x0060 */
		desc = "Target: Priority IO";
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		break;

7652 7653
	case MPI_IOCSTATUS_TARGET_INVALID_PORT: /* 0x0061 */
		desc = "Target: Invalid Port";
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		break;

7656 7657
	case MPI_IOCSTATUS_TARGET_INVALID_IO_INDEX: /* 0x0062 */
		desc = "Target Invalid IO Index:";
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		break;

7660 7661
	case MPI_IOCSTATUS_TARGET_ABORTED: /* 0x0063 */
		desc = "Target: Aborted";
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		break;

7664 7665
	case MPI_IOCSTATUS_TARGET_NO_CONN_RETRYABLE: /* 0x0064 */
		desc = "Target: No Conn Retryable";
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		break;

7668 7669
	case MPI_IOCSTATUS_TARGET_NO_CONNECTION: /* 0x0065 */
		desc = "Target: No Connection";
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		break;

7672 7673
	case MPI_IOCSTATUS_TARGET_XFER_COUNT_MISMATCH: /* 0x006A */
		desc = "Target: Transfer Count Mismatch";
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		break;

7676 7677
	case MPI_IOCSTATUS_TARGET_STS_DATA_NOT_SENT: /* 0x006B */
		desc = "Target: STS Data not Sent";
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		break;

7680 7681
	case MPI_IOCSTATUS_TARGET_DATA_OFFSET_ERROR: /* 0x006D */
		desc = "Target: Data Offset Error";
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		break;

7684 7685
	case MPI_IOCSTATUS_TARGET_TOO_MUCH_WRITE_DATA: /* 0x006E */
		desc = "Target: Too Much Write Data";
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		break;

7688 7689
	case MPI_IOCSTATUS_TARGET_IU_TOO_SHORT: /* 0x006F */
		desc = "Target: IU Too Short";
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		break;

7692 7693 7694 7695 7696 7697 7698 7699 7700 7701 7702 7703 7704 7705 7706 7707 7708 7709 7710 7711 7712 7713 7714 7715 7716 7717 7718 7719 7720 7721 7722 7723 7724 7725 7726 7727 7728 7729 7730 7731 7732 7733 7734 7735 7736 7737 7738 7739 7740 7741 7742 7743 7744 7745 7746 7747 7748 7749 7750 7751 7752 7753 7754 7755 7756 7757 7758 7759 7760 7761 7762 7763 7764 7765 7766 7767 7768 7769
	case MPI_IOCSTATUS_TARGET_ACK_NAK_TIMEOUT: /* 0x0070 */
		desc = "Target: ACK NAK Timeout";
		break;

	case MPI_IOCSTATUS_TARGET_NAK_RECEIVED: /* 0x0071 */
		desc = "Target: Nak Received";
		break;

/****************************************************************************/
/*  Fibre Channel Direct Access values                                      */
/****************************************************************************/

	case MPI_IOCSTATUS_FC_ABORTED: /* 0x0066 */
		desc = "FC: Aborted";
		break;

	case MPI_IOCSTATUS_FC_RX_ID_INVALID: /* 0x0067 */
		desc = "FC: RX ID Invalid";
		break;

	case MPI_IOCSTATUS_FC_DID_INVALID: /* 0x0068 */
		desc = "FC: DID Invalid";
		break;

	case MPI_IOCSTATUS_FC_NODE_LOGGED_OUT: /* 0x0069 */
		desc = "FC: Node Logged Out";
		break;

	case MPI_IOCSTATUS_FC_EXCHANGE_CANCELED: /* 0x006C */
		desc = "FC: Exchange Canceled";
		break;

/****************************************************************************/
/*  LAN values                                                              */
/****************************************************************************/

	case MPI_IOCSTATUS_LAN_DEVICE_NOT_FOUND: /* 0x0080 */
		desc = "LAN: Device not Found";
		break;

	case MPI_IOCSTATUS_LAN_DEVICE_FAILURE: /* 0x0081 */
		desc = "LAN: Device Failure";
		break;

	case MPI_IOCSTATUS_LAN_TRANSMIT_ERROR: /* 0x0082 */
		desc = "LAN: Transmit Error";
		break;

	case MPI_IOCSTATUS_LAN_TRANSMIT_ABORTED: /* 0x0083 */
		desc = "LAN: Transmit Aborted";
		break;

	case MPI_IOCSTATUS_LAN_RECEIVE_ERROR: /* 0x0084 */
		desc = "LAN: Receive Error";
		break;

	case MPI_IOCSTATUS_LAN_RECEIVE_ABORTED: /* 0x0085 */
		desc = "LAN: Receive Aborted";
		break;

	case MPI_IOCSTATUS_LAN_PARTIAL_PACKET: /* 0x0086 */
		desc = "LAN: Partial Packet";
		break;

	case MPI_IOCSTATUS_LAN_CANCELED: /* 0x0087 */
		desc = "LAN: Canceled";
		break;

/****************************************************************************/
/*  Serial Attached SCSI values                                             */
/****************************************************************************/

	case MPI_IOCSTATUS_SAS_SMP_REQUEST_FAILED: /* 0x0090 */
		desc = "SAS: SMP Request Failed";
		break;

	case MPI_IOCSTATUS_SAS_SMP_DATA_OVERRUN: /* 0x0090 */
		desc = "SAS: SMP Data Overrun";
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		break;

	default:
		desc = "Others";
		break;
	}
7776 7777 7778 7779

	if (!desc)
		return;

7780 7781
	dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT "IOCStatus(0x%04X): %s\n",
	    ioc->name, status, desc));
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}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
7785 7786 7787 7788 7789 7790
EXPORT_SYMBOL(mpt_attach);
EXPORT_SYMBOL(mpt_detach);
#ifdef CONFIG_PM
EXPORT_SYMBOL(mpt_resume);
EXPORT_SYMBOL(mpt_suspend);
#endif
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EXPORT_SYMBOL(ioc_list);
EXPORT_SYMBOL(mpt_register);
EXPORT_SYMBOL(mpt_deregister);
EXPORT_SYMBOL(mpt_event_register);
EXPORT_SYMBOL(mpt_event_deregister);
EXPORT_SYMBOL(mpt_reset_register);
EXPORT_SYMBOL(mpt_reset_deregister);
EXPORT_SYMBOL(mpt_device_driver_register);
EXPORT_SYMBOL(mpt_device_driver_deregister);
EXPORT_SYMBOL(mpt_get_msg_frame);
EXPORT_SYMBOL(mpt_put_msg_frame);
7802
EXPORT_SYMBOL(mpt_put_msg_frame_hi_pri);
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EXPORT_SYMBOL(mpt_free_msg_frame);
EXPORT_SYMBOL(mpt_send_handshake_request);
EXPORT_SYMBOL(mpt_verify_adapter);
EXPORT_SYMBOL(mpt_GetIocState);
EXPORT_SYMBOL(mpt_print_ioc_summary);
EXPORT_SYMBOL(mpt_HardResetHandler);
EXPORT_SYMBOL(mpt_config);
EXPORT_SYMBOL(mpt_findImVolumes);
EXPORT_SYMBOL(mpt_alloc_fw_memory);
EXPORT_SYMBOL(mpt_free_fw_memory);
7813
EXPORT_SYMBOL(mptbase_sas_persist_operation);
7814
EXPORT_SYMBOL(mpt_raid_phys_disk_pg0);
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/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
7817
/**
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 *	fusion_init - Fusion MPT base driver initialization routine.
 *
 *	Returns 0 for success, non-zero for failure.
 */
static int __init
fusion_init(void)
{
7825
	u8 cb_idx;
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	show_mptmod_ver(my_NAME, my_VERSION);
	printk(KERN_INFO COPYRIGHT "\n");

7830 7831 7832 7833 7834
	for (cb_idx = 0; cb_idx < MPT_MAX_PROTOCOL_DRIVERS; cb_idx++) {
		MptCallbacks[cb_idx] = NULL;
		MptDriverClass[cb_idx] = MPTUNKNOWN_DRIVER;
		MptEvHandlers[cb_idx] = NULL;
		MptResetHandlers[cb_idx] = NULL;
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	}

7837
	/*  Register ourselves (mptbase) in order to facilitate
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	 *  EventNotification handling.
	 */
	mpt_base_index = mpt_register(mpt_base_reply, MPTBASE_DRIVER);

	/* Register for hard reset handling callbacks.
	 */
7844
	mpt_reset_register(mpt_base_index, mpt_ioc_reset);
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#ifdef CONFIG_PROC_FS
	(void) procmpt_create();
#endif
7849
	return 0;
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}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
7853
/**
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 *	fusion_exit - Perform driver unload cleanup.
 *
 *	This routine frees all resources associated with each MPT adapter
 *	and removes all %MPT_PROCFS_MPTBASEDIR entries.
 */
static void __exit
fusion_exit(void)
{

	mpt_reset_deregister(mpt_base_index);

#ifdef CONFIG_PROC_FS
	procmpt_destroy();
#endif
}

module_init(fusion_init);
module_exit(fusion_exit);