mptbase.c 205.5 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 Logic PCI chip/adapter(s)
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 *      running LSI Logic Fusion MPT (Message Passing Technology) firmware.
 *
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 *  Copyright (c) 1999-2007 LSI Logic 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;
module_param(mpt_msi_enable, int, 0);
MODULE_PARM_DESC(mpt_msi_enable, " MSI Support Enable (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;
module_param(mpt_debug_level, int, 0);
MODULE_PARM_DESC(mpt_debug_level, " debug level - refer to mptdebug.h - (default=0)");

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

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/*
 *  Public data...
 */
int mpt_lan_index = -1;
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int mpt_stm_index = -1;
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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 int	mpt_base_index = -1;
static int	last_drv_idx = -1;

static DECLARE_WAIT_QUEUE_HEAD(mpt_waitq);

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/*
 *  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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/*
 *  Process turbo (context) reply...
 */
static void
mpt_turbo_reply(MPT_ADAPTER *ioc, u32 pa)
{
	MPT_FRAME_HDR *mf = NULL;
	MPT_FRAME_HDR *mr = NULL;
	int req_idx = 0;
	int 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:
		cb_idx = mpt_lan_index;
		/*
		 *  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:
		cb_idx = mpt_stm_index;
		mr = (MPT_FRAME_HDR *) CAST_U32_TO_PTR(pa);
		break;
	default:
		cb_idx = 0;
		BUG();
	}

	/*  Check for (valid) IO callback!  */
	if (cb_idx < 1 || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS ||
			MptCallbacks[cb_idx] == NULL) {
		printk(MYIOC_s_WARN_FMT "%s: Invalid cb_idx (%d)!\n",
				__FUNCTION__, ioc->name, cb_idx);
		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;
	int		 req_idx;
	int		 cb_idx;
	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!  */
	if (cb_idx < 1 || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS ||
			MptCallbacks[cb_idx] == NULL) {
		printk(MYIOC_s_WARN_FMT "%s: Invalid cb_idx (%d)!\n",
				__FUNCTION__, ioc->name, cb_idx);
		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)) {
		dmfprintk(ioc, printk(KERN_INFO MYNAM ": Original request frame (@%p) header\n", 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(KERN_NOTICE "  IOCStatus=%04xh, IOCLogInfo=%08xh\n",
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				     status, le32_to_cpu(pReply->IOCLogInfo)));

				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.
 *
 *	Returns a positive integer valued "handle" in the
 *	range (and S.O.D. order) {N,...,7,6,5,...,1} if successful.
 *	Any non-positive return value (including zero!) should be considered
 *	an error by the caller.
 */
int
mpt_register(MPT_CALLBACK cbfunc, MPT_DRIVER_CLASS dclass)
{
	int i;

	last_drv_idx = -1;

	/*
	 *  Search for empty callback slot in this order: {N,...,7,6,5,...,1}
	 *  (slot/handle 0 is reserved!)
	 */
	for (i = MPT_MAX_PROTOCOL_DRIVERS-1; i; i--) {
		if (MptCallbacks[i] == NULL) {
			MptCallbacks[i] = cbfunc;
			MptDriverClass[i] = dclass;
			MptEvHandlers[i] = NULL;
			last_drv_idx = i;
			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
mpt_deregister(int cb_idx)
{
	if ((cb_idx >= 0) && (cb_idx < MPT_MAX_PROTOCOL_DRIVERS)) {
		MptCallbacks[cb_idx] = NULL;
		MptDriverClass[cb_idx] = MPTUNKNOWN_DRIVER;
		MptEvHandlers[cb_idx] = NULL;

		last_drv_idx++;
	}
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/**
 *	mpt_event_register - Register protocol-specific event callback
 *	handler.
 *	@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
mpt_event_register(int cb_idx, MPT_EVHANDLER ev_cbfunc)
{
	if (cb_idx < 1 || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS)
		return -1;

	MptEvHandlers[cb_idx] = ev_cbfunc;
	return 0;
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/**
 *	mpt_event_deregister - Deregister protocol-specific event callback
 *	handler.
 *	@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
mpt_event_deregister(int cb_idx)
{
	if (cb_idx < 1 || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS)
		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
mpt_reset_register(int cb_idx, MPT_RESETHANDLER reset_func)
{
	if (cb_idx < 1 || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS)
		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
mpt_reset_deregister(int cb_idx)
{
	if (cb_idx < 1 || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS)
		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
mpt_device_driver_register(struct mpt_pci_driver * dd_cbfunc, int cb_idx)
{
	MPT_ADAPTER	*ioc;
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	const struct pci_device_id *id;
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	if (cb_idx < 1 || 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
mpt_device_driver_deregister(int cb_idx)
{
	struct mpt_pci_driver *dd_cbfunc;
	MPT_ADAPTER	*ioc;

	if (cb_idx < 1 || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS)
		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;
}


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

	/* validate handle and ioc identifier */

#ifdef MFCNT
	if (!ioc->active)
		printk(KERN_WARNING "IOC Not Active! mpt_get_msg_frame returning NULL!\n");
#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 = handle;	/* byte */
		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;
		ioc->RequestNB[req_idx] = ioc->NB_for_64_byte_frame; /* Default, will be changed if necessary in SG generation */
#ifdef MFCNT
		ioc->mfcnt++;
#endif
	}
	else
		mf = NULL;
	spin_unlock_irqrestore(&ioc->FreeQlock, flags);

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

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	dmfprintk(ioc, printk(KERN_INFO MYNAM ": %s: mpt_get_msg_frame(%d,%d), got mf=%p\n",
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			ioc->name, handle, ioc->id, mf));
	return mf;
}

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

	/* ensure values are reset properly! */
	mf->u.frame.hwhdr.msgctxu.fld.cb_idx = handle;		/* byte */
	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);
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/**
 *	mpt_free_msg_frame - Place MPT request frame back on FreeQ.
 *	@handle: Handle of registered MPT protocol driver
 *	@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);
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/**
 *	mpt_add_sge - Place a simple 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.
 */
void
mpt_add_sge(char *pAddr, u32 flagslength, dma_addr_t dma_addr)
{
	if (sizeof(dma_addr_t) == sizeof(u64)) {
		SGESimple64_t *pSge = (SGESimple64_t *) pAddr;
		u32 tmp = dma_addr & 0xFFFFFFFF;

		pSge->FlagsLength = cpu_to_le32(flagslength);
		pSge->Address.Low = cpu_to_le32(tmp);
		tmp = (u32) ((u64)dma_addr >> 32);
		pSge->Address.High = cpu_to_le32(tmp);

	} else {
		SGESimple32_t *pSge = (SGESimple32_t *) pAddr;
		pSge->FlagsLength = cpu_to_le32(flagslength);
		pSge->Address = cpu_to_le32(dma_addr);
	}
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/**
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 *	mpt_send_handshake_request - Send MPT request via doorbell handshake method.
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 *	@handle: Handle of registered MPT protocol driver
 *	@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
mpt_send_handshake_request(int handle, MPT_ADAPTER *ioc, int reqBytes, u32 *req, int sleepFlag)
{
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	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);
		mf->u.frame.hwhdr.msgctxu.fld.cb_idx = handle;
	}

	/* 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;

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	dhsprintk(ioc, printk(KERN_INFO MYNAM ": %s: mpt_send_handshake_request start, WaitCnt=%d\n",
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		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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/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/**
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 * mpt_host_page_access_control - control the IOC's Host Page Buffer access
980 981
 * @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
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 *
1026
 *	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) {

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				dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT
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				    "host_page_buffer @ %p, dma @ %x, sz=%d bytes\n",
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				    ioc->name, ioc->HostPageBuffer,
				    (u32)ioc->HostPageBuffer_dma,
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				    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;
	mpt_add_sge(psge, flags_length, ioc->HostPageBuffer_dma);
	ioc->facts.HostPageBufferSGE = ioc_init->HostPageBufferSGE;

return 0;
}

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/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/**
1092
 *	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
 *
1096 1097 1098 1099 1100
 *	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;
1111
		}
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	}
1113

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	*iocpp = NULL;
	return -1;
}

1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359
/**
 *	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);
}

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/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1361
/**
1362
 *	mpt_attach - Install a PCI intelligent MPT adapter.
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 *	@pdev: Pointer to pci_dev structure
1364
 *	@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
 */
1378 1379
int
mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id)
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{
	MPT_ADAPTER	*ioc;
	u8		__iomem *mem;
	unsigned long	 mem_phys;
	unsigned long	 port;
	u32		 msize;
	u32		 psize;
	int		 ii;
	int		 r = -ENODEV;
	u8		 revision;
	u8		 pcixcmd;
	static int	 mpt_ids = 0;
#ifdef CONFIG_PROC_FS
	struct proc_dir_entry *dent, *ent;
#endif

1396 1397 1398 1399 1400 1401 1402 1403 1404 1405
	ioc = kzalloc(sizeof(MPT_ADAPTER), GFP_ATOMIC);
	if (ioc == NULL) {
		printk(KERN_ERR MYNAM ": ERROR - Insufficient memory to add adapter!\n");
		return -ENOMEM;
	}

	ioc->debug_level = mpt_debug_level;
	if (mpt_debug_level)
		printk(KERN_INFO MYNAM ": mpt_debug_level=%xh\n", mpt_debug_level);

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	if (pci_enable_device(pdev))
		return r;
1408

1409
	dinitprintk(ioc, printk(KERN_WARNING MYNAM ": mpt_adapter_install\n"));
1410

1411
	if (!pci_set_dma_mask(pdev, DMA_64BIT_MASK)) {
1412
		dprintk(ioc, printk(KERN_INFO MYNAM
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			": 64 BIT PCI BUS DMA ADDRESSING SUPPORTED\n"));
1414
	} else if (pci_set_dma_mask(pdev, DMA_32BIT_MASK)) {
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		printk(KERN_WARNING MYNAM ": 32 BIT PCI BUS DMA ADDRESSING NOT SUPPORTED\n");
		return r;
	}

1419 1420
	if (!pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK)) {
		dprintk(ioc, printk(KERN_INFO MYNAM
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			": Using 64 bit consistent mask\n"));
1422 1423
	} else {
		dprintk(ioc, printk(KERN_INFO MYNAM
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			": Not using 64 bit consistent mask\n"));
	}
1426

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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;
1430

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	ioc->pcidev = pdev;
	ioc->diagPending = 0;
	spin_lock_init(&ioc->diagLock);
1434
	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
	 */
1451
	memset(&ioc->spi_data, 0, sizeof(SpiCfgData));
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	/* Initialize the running configQ head.
	 */
	INIT_LIST_HEAD(&ioc->configQ);

1457 1458 1459 1460
	/* Initialize the fc rport list head.
	 */
	INIT_LIST_HEAD(&ioc->fc_rports);

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	/* Find lookup slot. */
	INIT_LIST_HEAD(&ioc->list);
	ioc->id = mpt_ids++;
1464

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	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) {
1469 1470
			if (psize)
				continue;
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			/* Get I/O space! */
			port = pci_resource_start(pdev, ii);
			psize = pci_resource_len(pdev,ii);
		} else {
1475 1476
			if (msize)
				continue;
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			/* 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);*/
1487
	mem = ioremap(mem_phys, msize);
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	if (mem == NULL) {
		printk(KERN_ERR MYNAM ": ERROR - Unable to map adapter memory!\n");
		kfree(ioc);
		return -EINVAL;
	}
	ioc->memmap = mem;
1494
	dinitprintk(ioc, printk(KERN_INFO MYNAM ": mem = %p, mem_phys = %lx\n", mem, mem_phys));
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1496
	dinitprintk(ioc, printk(KERN_INFO MYNAM ": facts @ %p, pfacts[0] @ %p\n",
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			&ioc->facts, &ioc->pfacts[0]));

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

	/* Save Port IO values in case we need to do downloadboot */
	{
		u8 *pmem = (u8*)port;
		ioc->pio_mem_phys = port;
		ioc->pio_chip = (SYSIF_REGS __iomem *)pmem;
	}

1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519 1520
	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;
1522 1523 1524
		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;
1540 1541 1542
		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);
1549
		ioc->bus_type = FC;
1550 1551 1552
		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);
		}
1561 1562

	case MPI_MANUFACTPAGE_DEVID_1030_53C1035:
1563
		ioc->bus_type = SPI;
1564 1565 1566 1567
		break;

	case MPI_MANUFACTPAGE_DEVID_SAS1064:
	case MPI_MANUFACTPAGE_DEVID_SAS1068:
1568
		ioc->errata_flag_1064 = 1;
1569 1570 1571 1572

	case MPI_MANUFACTPAGE_DEVID_SAS1064E:
	case MPI_MANUFACTPAGE_DEVID_SAS1068E:
	case MPI_MANUFACTPAGE_DEVID_SAS1078:
1573 1574
		ioc->bus_type = SAS;
	}
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1576 1577 1578
	if (ioc->errata_flag_1064)
		pci_disable_io_access(pdev);

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	sprintf(ioc->name, "ioc%d", ioc->id);

	spin_lock_init(&ioc->FreeQlock);

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

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

1591
	/* Check for "bound ports" (929, 929X, 1030, 1035) to reduce redundant resets.
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	 */
	mpt_detect_bound_ports(ioc, pdev);

1595 1596
	if ((r = mpt_do_ioc_recovery(ioc, MPT_HOSTEVENT_IOC_BRINGUP,
	    CAN_SLEEP)) != 0){
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		printk(KERN_WARNING MYNAM
		  ": WARNING - %s did not initialize properly! (%d)\n",
		  ioc->name, r);
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		list_del(&ioc->list);
1602 1603
		if (ioc->alt_ioc)
			ioc->alt_ioc->alt_ioc = NULL;
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		iounmap(mem);
		kfree(ioc);
		pci_set_drvdata(pdev, NULL);
		return r;
	}

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

#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

	return 0;
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1641
/**
1642
 *	mpt_detach - Remove a PCI intelligent MPT adapter.
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 *	@pdev: Pointer to pci_dev structure
 */

1646 1647
void
mpt_detach(struct pci_dev *pdev)
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{
	MPT_ADAPTER 	*ioc = pci_get_drvdata(pdev);
	char pname[32];
	int ii;

	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);
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	/* call per device driver remove entry point */
	for(ii=0; ii<MPT_MAX_PROTOCOL_DRIVERS; ii++) {
		if(MptDeviceDriverHandlers[ii] &&
		  MptDeviceDriverHandlers[ii]->remove) {
			MptDeviceDriverHandlers[ii]->remove(pdev);
		}
	}
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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
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1689
/**
1690
 *	mpt_suspend - Fusion MPT base driver suspend routine.
1691 1692
 *	@pdev: Pointer to pci_dev structure
 *	@state: new state to enter
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 */
1694 1695
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);

1700
	device_state=pci_choose_state(pdev, state);
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	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);

	pci_save_state(pdev);

	/* 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);

	pci_disable_device(pdev);
	pci_set_power_state(pdev, device_state);

	return 0;
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1728
/**
1729
 *	mpt_resume - Fusion MPT base driver resume routine.
1730
 *	@pdev: Pointer to pci_dev structure
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 */
1732 1733
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;
1738
	int err;
1739

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	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);

	pci_set_power_state(pdev, 0);
	pci_restore_state(pdev);
1746 1747 1748
	err = pci_enable_device(pdev);
	if (err)
		return err;
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	/* enable interrupts */
1751
	CHIPREG_WRITE32(&ioc->chip->IntMask, MPI_HIM_DIM);
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	ioc->active = 1;

	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));

	/* bring ioc to operational state */
	if ((recovery_state = mpt_do_ioc_recovery(ioc,
	    MPT_HOSTEVENT_IOC_RECOVER, CAN_SLEEP)) != 0) {
		printk(MYIOC_s_INFO_FMT
			"pci-resume: Cannot recover, error:[%x]\n",
			ioc->name, recovery_state);
	} else {
		printk(MYIOC_s_INFO_FMT
			"pci-resume: success\n", ioc->name);
	}

	return 0;
}
#endif

1775 1776 1777 1778 1779 1780 1781 1782 1783 1784 1785 1786 1787 1788 1789
static int
mpt_signal_reset(int index, MPT_ADAPTER *ioc, int reset_phase)
{
	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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/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1791
/**
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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
 */
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;
	int	 handlers;
	int	 ret = 0;
	int	 reset_alt_ioc_active = 0;
1821
	int	 irq_allocated = 0;
1822
	u8	*a;
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	printk(KERN_INFO MYNAM ": Initiating %s %s\n",
			ioc->name, reason==MPT_HOSTEVENT_IOC_BRINGUP ? "bringup" : "recovery");

	/* 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) {
			printk(KERN_WARNING MYNAM ": %s Owned by PEER..skipping!\n",
					ioc->name);

			if (reset_alt_ioc_active && ioc->alt_ioc) {
				/* (re)Enable alt-IOC! (reply interrupt, FreeQ) */
1851 1852
				dprintk(ioc, printk(KERN_INFO MYNAM
					": alt-%s reply irq re-enabled\n",
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						ioc->alt_ioc->name));
1854
				CHIPREG_WRITE32(&ioc->alt_ioc->chip->IntMask, MPI_HIM_DIM);
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				ioc->alt_ioc->active = 1;
			}

		} else {
			printk(KERN_WARNING MYNAM ": %s NOT READY WARNING!\n",
					ioc->name);
		}
		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
			printk(KERN_WARNING MYNAM
					": alt-%s: Not ready WARNING!\n",
					ioc->alt_ioc->name);
	}

	for (ii=0; ii<5; ii++) {
		/* Get IOC facts! Allow 5 retries */
		if ((rc = GetIocFacts(ioc, sleepFlag, reason)) == 0)
			break;
	}
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	if (ii == 5) {
1885
		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);
	}
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	if (alt_ioc_ready) {
		if ((rc = GetIocFacts(ioc->alt_ioc, sleepFlag, reason)) != 0) {
1893 1894
			dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT
				"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) {
1900 1901
			dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT
				"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);
		}
	}

1909 1910 1911 1912 1913 1914 1915 1916 1917 1918 1919 1920
	/*
	 * 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) {
			if (mpt_msi_enable && !pci_enable_msi(ioc->pcidev))
				printk(MYIOC_s_INFO_FMT "PCI-MSI enabled\n",
					ioc->name);
			rc = request_irq(ioc->pcidev->irq, mpt_interrupt,
1921
					IRQF_SHARED, ioc->name, ioc);
1922 1923 1924 1925 1926 1927 1928 1929 1930 1931 1932 1933
			if (rc < 0) {
				printk(MYIOC_s_ERR_FMT "Unable to allocate "
					"interrupt %d!\n", ioc->name,
					ioc->pcidev->irq);
				if (mpt_msi_enable)
					pci_disable_msi(ioc->pcidev);
				return -EBUSY;
			}
			irq_allocated = 1;
			ioc->pci_irq = ioc->pcidev->irq;
			pci_set_master(ioc->pcidev);		/* ?? */
			pci_set_drvdata(ioc->pcidev, ioc);
1934
			dprintk(ioc, printk(KERN_INFO MYNAM ": %s installed at interrupt "
1935 1936 1937 1938
				"%d\n", ioc->name, ioc->pcidev->irq));
		}
	}

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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)) {
		printk(KERN_WARNING MYNAM ": alt-%s: (%d) FIFO mgmt alloc WARNING!\n",
				ioc->alt_ioc->name, rc);
		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;
			printk(KERN_WARNING MYNAM
				": alt-%s: (%d) init failure WARNING!\n",
					ioc->alt_ioc->name, rc);
		}
	}

	if (reason == MPT_HOSTEVENT_IOC_BRINGUP){
		if (ioc->upload_fw) {
1972
			ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT
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				"firmware upload required!\n", ioc->name));

			/* Controller is not operational, cannot do upload
			 */
			if (ret == 0) {
				rc = mpt_do_upload(ioc, sleepFlag);
1979 1980 1981 1982 1983 1984 1985 1986 1987
				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)
						 */
1988 1989
						ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT
							": mpt_upload:  alt_%s has cached_fw=%p \n",
1990
							ioc->name, ioc->alt_ioc->name, ioc->alt_ioc->cached_fw));
1991
						ioc->alt_ioc->cached_fw = NULL;
1992 1993
					}
				} else {
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					printk(KERN_WARNING MYNAM ": firmware upload failure!\n");
1995 1996
					ret = -5;
				}
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			}
		}
	}

	if (ret == 0) {
		/* Enable! (reply interrupt) */
2003
		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) */
2009
		dinitprintk(ioc, printk(KERN_INFO MYNAM ": alt-%s reply irq re-enabled\n",
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				ioc->alt_ioc->name));
2011
		CHIPREG_WRITE32(&ioc->alt_ioc->chip->IntMask, MPI_HIM_DIM);
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		ioc->alt_ioc->active = 1;
	}

2015
	/*  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 */

2024
	/*	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)) {
2031 2032 2033 2034 2035 2036 2037

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

2038 2039 2040 2041 2042 2043 2044 2045
		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)
2046
					goto out;
2047 2048 2049 2050 2051 2052 2053
			}

			/* 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);
2061 2062 2063 2064 2065 2066 2067
				a = (u8*)&ioc->lan_cnfg_page1.HardwareAddressLow;
				dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
					"LanAddr = %02X:%02X:%02X:"
					"%02X:%02X:%02X\n",
					ioc->name, a[5], a[4],
					a[3], a[2], a[1], a[0] ));

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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
			 */
2080
			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);
2091
		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;
		for (ii=MPT_MAX_PROTOCOL_DRIVERS-1; ii; ii--) {
			if ((ret == 0) && MptResetHandlers[ii]) {
2104 2105 2106
				dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
					"Calling IOC post_reset handler #%d\n",
					ioc->name, ii));
2107
				rc += mpt_signal_reset(ii, ioc, MPT_IOC_POST_RESET);
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				handlers++;
			}

			if (alt_ioc_ready && MptResetHandlers[ii]) {
2112 2113 2114
				drsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
					"Calling alt-%s post_reset handler #%d\n",
					ioc->name, ioc->alt_ioc->name, ii));
2115
				rc += mpt_signal_reset(ii, ioc->alt_ioc, MPT_IOC_POST_RESET);
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				handlers++;
			}
		}
		/* FIXME?  Examine results here? */
	}

2122
 out:
2123 2124 2125 2126 2127
	if ((ret != 0) && irq_allocated) {
		free_irq(ioc->pci_irq, ioc);
		if (mpt_msi_enable)
			pci_disable_msi(ioc->pcidev);
	}
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	return ret;
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2132 2133
/**
 *	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
 *
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 *	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)
{
2147 2148 2149
	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;

2152
	dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "PCI device %s devfn=%x/%x,"
2153
	    " searching for devfn match on %x or %x\n",
2154 2155
		ioc->name, pci_name(pdev), pdev->bus->number,
		pdev->devfn, func-1, func+1));
2156 2157 2158 2159 2160 2161 2162

	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;
2166
		if (_pcidev == peer) {
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			/* Paranoia checks */
			if (ioc->alt_ioc != NULL) {
				printk(KERN_WARNING MYNAM ": Oops, already bound (%s <==> %s)!\n",
2170
					ioc->name, ioc->alt_ioc->name);
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				break;
			} else if (ioc_srch->alt_ioc != NULL) {
				printk(KERN_WARNING MYNAM ": Oops, already bound (%s <==> %s)!\n",
2174
					ioc_srch->name, ioc_srch->alt_ioc->name);
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				break;
			}
2177
			dprintk(ioc, printk(KERN_INFO MYNAM ": FOUND! binding %s <==> %s\n",
2178
				ioc->name, ioc_srch->name));
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			ioc_srch->alt_ioc = ioc;
			ioc->alt_ioc = ioc_srch;
		}
	}
2183
	pci_dev_put(peer);
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}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2187
/**
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 *	mpt_adapter_disable - Disable misbehaving MPT adapter.
2189
 *	@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) {
2198
		ddlprintk(ioc, printk(KERN_INFO MYNAM ": mpt_adapter_disable: Pushing FW onto adapter\n"));
2199
		if ((ret = mpt_downloadboot(ioc, (MpiFwHeader_t *)ioc->cached_fw, NO_SLEEP)) < 0) {
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			printk(KERN_WARNING MYNAM
				": firmware downloadboot failure (%d)!\n", ret);
		}
	}

	/* 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;
2213
		dexitprintk(ioc, printk(KERN_INFO MYNAM ": %s.free  @ %p, sz=%d bytes\n",
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		 	ioc->name, ioc->alloc, ioc->alloc_sz));
		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;
	}

	if (ioc->cached_fw != NULL) {
		sz = ioc->facts.FWImageSize;
		pci_free_consistent(ioc->pcidev, sz,
			ioc->cached_fw, ioc->cached_fw_dma);
		ioc->cached_fw = NULL;
		ioc->alloc_total -= sz;
	}

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	kfree(ioc->spi_data.nvram);
2247 2248
	mpt_inactive_raid_list_free(ioc);
	kfree(ioc->raid_data.pIocPg2);
2249
	kfree(ioc->raid_data.pIocPg3);
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	ioc->spi_data.nvram = NULL;
2251
	ioc->raid_data.pIocPg3 = NULL;
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	if (ioc->spi_data.pIocPg4 != NULL) {
		sz = ioc->spi_data.IocPg4Sz;
2255
		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;
2270 2271 2272 2273 2274 2275 2276 2277

	if (ioc->HostPageBuffer != NULL) {
		if((ret = mpt_host_page_access_control(ioc,
		    MPI_DB_HPBAC_FREE_BUFFER, NO_SLEEP)) != 0) {
			printk(KERN_ERR MYNAM
			   ": %s: host page buffers free failed (%d)!\n",
			    __FUNCTION__, ret);
		}
2278
		dexitprintk(ioc, printk(KERN_INFO MYNAM ": %s HostPageBuffer free  @ %p, sz=%d bytes\n",
2279 2280 2281 2282 2283 2284 2285 2286
		 	ioc->name, ioc->HostPageBuffer, ioc->HostPageBuffer_sz));
		pci_free_consistent(ioc->pcidev, ioc->HostPageBuffer_sz,
				ioc->HostPageBuffer,
				ioc->HostPageBuffer_dma);
		ioc->HostPageBuffer = NULL;
		ioc->HostPageBuffer_sz = 0;
		ioc->alloc_total -= ioc->HostPageBuffer_sz;
	}
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}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2290 2291
/**
 *	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)
{
2300
	int sz_first, sz_last;
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2302 2303
	if (ioc == NULL)
		return;
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2305
	sz_first = ioc->alloc_total;
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2307
	mpt_adapter_disable(ioc);
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2309 2310
	if (ioc->pci_irq != -1) {
		free_irq(ioc->pci_irq, ioc);
2311 2312
		if (mpt_msi_enable)
			pci_disable_msi(ioc->pcidev);
2313 2314 2315 2316 2317 2318 2319
		ioc->pci_irq = -1;
	}

	if (ioc->memmap != NULL) {
		iounmap(ioc->memmap);
		ioc->memmap = NULL;
	}
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#if defined(CONFIG_MTRR) && 0
2322 2323
	if (ioc->mtrr_reg > 0) {
		mtrr_del(ioc->mtrr_reg, 0, 0);
2324
		dprintk(ioc, printk(KERN_INFO MYNAM ": %s: MTRR region de-registered\n", ioc->name));
2325
	}
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#endif

2328 2329
	/*  Zap the adapter lookup ptr!  */
	list_del(&ioc->list);
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2331
	sz_last = ioc->alloc_total;
2332
	dprintk(ioc, printk(KERN_INFO MYNAM ": %s: free'd %d of %d bytes\n",
2333
			ioc->name, sz_first-sz_last+(int)sizeof(*ioc), sz_first));
2334 2335 2336 2337

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

2338
	kfree(ioc);
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}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2342 2343
/**
 *	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);
2352 2353
	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");
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2385
/**
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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);
2412
	dhsprintk(ioc, printk(KERN_INFO MYNAM "::MakeIocReady, %s [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? */
2425
	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",
				ioc->name);
		printk(KERN_WARNING "           FAULT code = %04xh\n",
				ioc_state & MPI_DOORBELL_DATA_MASK);
	}

	/*
	 *	Hmmm...  Did it get left operational?
	 */
	if ((ioc_state & MPI_IOC_STATE_MASK) == MPI_IOC_STATE_OPERATIONAL) {
2443
		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;
2452
		dinitprintk(ioc, printk(KERN_INFO MYNAM
2453
			": whoinit 0x%x statefault %d force %d\n",
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			whoinit, statefault, force));
		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;
2474
	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) {
2505
			msleep(1);
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		} 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;
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2522
/**
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 *	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);
//	dprintk((MYIOC_s_INFO_FMT "raw state = %08x\n", ioc->name, s));
	sc = s & MPI_IOC_STATE_MASK;

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

	return cooked ? sc : s;
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2547
/**
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 *	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) {
		printk(KERN_ERR MYNAM ": ERROR - Can't get IOCFacts, %s NOT READY! (%08x)\n",
				ioc->name,
				ioc->last_state );
		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! */

2588
	dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2589
	    "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);
2622
		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);
2645 2646 2647
		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);
2655
		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;
2673

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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;
		}

2681
		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;
2690 2691 2692
		dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT
			"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);

2704
			dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "reply_sz=%3d, reply_depth=%4d\n",
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				ioc->name, ioc->reply_sz, ioc->reply_depth));
2706
			dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "req_sz  =%3d, req_depth  =%4d\n",
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				ioc->name, ioc->req_sz, ioc->req_depth));

			/* Get port facts! */
			if ( (r = GetPortFacts(ioc, 0, sleepFlag)) != 0 )
				return r;
		}
	} else {
2714
		printk(MYIOC_s_ERR_FMT
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		     "Invalid IOC facts reply, msgLength=%d offsetof=%zd!\n",
		     ioc->name, facts->MsgLength, (offsetof(IOCFactsReply_t,
		     RequestFrameSize)/sizeof(u32)));
		return -66;
	}

	return 0;
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2725
/**
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 *	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;
2741
	int			 max_id;
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	/* IOC *must* NOT be in RESET state! */
	if (ioc->last_state == MPI_IOC_STATE_RESET) {
		printk(KERN_ERR MYNAM ": ERROR - Can't get PortFacts, %s NOT READY! (%08x)\n",
				ioc->name,
				ioc->last_state );
		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! */

2765
	dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending get PortFacts(%d) request\n",
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			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);

2789 2790 2791 2792 2793 2794 2795 2796 2797 2798 2799 2800 2801 2802 2803
	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;
	}

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	return 0;
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2808
/**
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 *	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;
2841
	ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "upload_fw %d facts.Flags=%x\n",
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		   ioc->name, ioc->upload_fw, ioc->facts.Flags));

2844 2845
	ioc_init.MaxDevices = (U8)ioc->devices_per_bus;
	ioc_init.MaxBuses = (U8)ioc->number_of_buses;
2846
	dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "facts.MsgVersion=%x\n",
2847 2848 2849 2850 2851 2852 2853 2854 2855 2856 2857
		   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;
	}
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	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);
	}
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	ioc->facts.CurrentHostMfaHighAddr = ioc_init.HostMfaHighAddr;
	ioc->facts.CurrentSenseBufferHighAddr = ioc_init.SenseBufferHighAddr;
2874 2875
	ioc->facts.MaxDevices = ioc_init.MaxDevices;
	ioc->facts.MaxBuses = ioc_init.MaxBuses;
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2877
	dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending IOCInit (req @ %p)\n",
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			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);
2882 2883
	if (r != 0) {
		printk(MYIOC_s_ERR_FMT "Sending IOCInit failed(%d)!\n",ioc->name, r);
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		return r;
2885
	}
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	/* No need to byte swap the multibyte fields in the reply
2888
	 * since we don't even look at its contents.
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	 */

2891
	dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending PortEnable (req @ %p)\n",
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			ioc->name, &ioc_init));
2893 2894 2895

	if ((r = SendPortEnable(ioc, 0, sleepFlag)) != 0) {
		printk(MYIOC_s_ERR_FMT "Sending PortEnable failed(%d)!\n",ioc->name, r);
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		return r;
2897
	}
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	/* 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) {
2908
			msleep(1);
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		} 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++;
	}
2922
	dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "INFO - Wait IOC_OPERATIONAL state (cnt=%d)\n",
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			ioc->name, count));

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	ioc->aen_event_read_flag=0;
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	return r;
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2930
/**
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 *	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;
2945
	int	 rc;
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	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;		*/

2962
	dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending Port(%d)Enable (req @ %p)\n",
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			ioc->name, portnum, &port_enable));

	/* RAID FW may take a long time to enable
	 */
2967
	if (ioc->ir_firmware || ioc->bus_type == SAS) {
2968 2969 2970
		rc = mpt_handshake_req_reply_wait(ioc, req_sz,
		(u32*)&port_enable, reply_sz, (u16*)&reply_buf,
		300 /*seconds*/, sleepFlag);
2971
	} else {
2972 2973 2974
		rc = mpt_handshake_req_reply_wait(ioc, req_sz,
		(u32*)&port_enable, reply_sz, (u16*)&reply_buf,
		30 /*seconds*/, sleepFlag);
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	}
2976
	return rc;
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}

2979 2980 2981 2982 2983 2984 2985
/**
 *	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.
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 */
void
mpt_alloc_fw_memory(MPT_ADAPTER *ioc, int size)
{
	if (ioc->cached_fw)
		return;  /* use already allocated memory */
	if (ioc->alt_ioc && ioc->alt_ioc->cached_fw) {
		ioc->cached_fw = ioc->alt_ioc->cached_fw;  /* use alt_ioc's memory */
		ioc->cached_fw_dma = ioc->alt_ioc->cached_fw_dma;
2995 2996
		ioc->alloc_total += size;
		ioc->alt_ioc->alloc_total -= size;
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	} else {
		if ( (ioc->cached_fw = pci_alloc_consistent(ioc->pcidev, size, &ioc->cached_fw_dma) ) )
			ioc->alloc_total += size;
	}
}
3002 3003 3004 3005 3006 3007
/**
 *	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.
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 */
void
mpt_free_fw_memory(MPT_ADAPTER *ioc)
{
	int sz;

	sz = ioc->facts.FWImageSize;
3015
	dinitprintk(ioc, printk(KERN_INFO MYNAM "free_fw_memory: FW Image  @ %p[%p], sz=%d[%x] bytes\n",
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		 ioc->cached_fw, (void *)(ulong)ioc->cached_fw_dma, sz, sz));
	pci_free_consistent(ioc->pcidev, sz,
			ioc->cached_fw, ioc->cached_fw_dma);
	ioc->cached_fw = NULL;

	return;
}


/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3026
/**
L
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 *	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			 request[ioc->req_sz];
	u8			 reply[sizeof(FWUploadReply_t)];
	FWUpload_t		*prequest;
	FWUploadReply_t		*preply;
	FWUploadTCSGE_t		*ptcsge;
	int			 sgeoffset;
	u32			 flagsLength;
	int			 ii, sz, reply_sz;
	int			 cmdStatus;

	/* If the image size is 0, we are done.
	 */
	if ((sz = ioc->facts.FWImageSize) == 0)
		return 0;

	mpt_alloc_fw_memory(ioc, sz);

3059
	dinitprintk(ioc, printk(KERN_INFO MYNAM ": FW Image  @ %p[%p], sz=%d[%x] bytes\n",
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		 ioc->cached_fw, (void *)(ulong)ioc->cached_fw_dma, sz, sz));
3061

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	if (ioc->cached_fw == NULL) {
		/* Major Failure.
		 */
		return -ENOMEM;
	}

	prequest = (FWUpload_t *)&request;
	preply = (FWUploadReply_t *)&reply;

	/*  Destination...  */
	memset(prequest, 0, ioc->req_sz);

	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);

	sgeoffset = sizeof(FWUpload_t) - sizeof(SGE_MPI_UNION) + sizeof(FWUploadTCSGE_t);

	flagsLength = MPT_SGE_FLAGS_SSIMPLE_READ | sz;
	mpt_add_sge(&request[sgeoffset], flagsLength, ioc->cached_fw_dma);

	sgeoffset += sizeof(u32) + sizeof(dma_addr_t);
3091
	dinitprintk(ioc, printk(KERN_INFO MYNAM ": Sending FW Upload (req @ %p) sgeoffset=%d \n",
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			prequest, sgeoffset));
3093
	DBG_DUMP_FW_REQUEST_FRAME(ioc, (u32 *)prequest)
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	ii = mpt_handshake_req_reply_wait(ioc, sgeoffset, (u32*)prequest,
				reply_sz, (u16*)preply, 65 /*seconds*/, sleepFlag);

3098
	dinitprintk(ioc, printk(KERN_INFO MYNAM ": FW Upload completed rc=%x \n", ii));
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	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;
		}
	}
3113
	dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT ": do_upload cmdStatus=%d \n",
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			ioc->name, cmdStatus));

3116

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	if (cmdStatus) {

3119
		ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT ": fw upload failed, freeing image \n",
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			ioc->name));
		mpt_free_fw_memory(ioc);
	}

	return cmdStatus;
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3128
/**
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 *	mpt_downloadboot - DownloadBoot code
 *	@ioc: Pointer to MPT_ADAPTER structure
3131
 *	@pFwHeader: Pointer to firmware header info
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 *	@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
3142
mpt_downloadboot(MPT_ADAPTER *ioc, MpiFwHeader_t *pFwHeader, int sleepFlag)
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{
	MpiExtImageHeader_t	*pExtImage;
	u32			 fwSize;
	u32			 diag0val;
	int			 count;
	u32			*ptrFw;
	u32			 diagRwData;
	u32			 nextImage;
	u32			 load_addr;
	u32 			 ioc_state=0;

3154
	ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "downloadboot: fw size 0x%x (%d), FW Ptr %p\n",
3155
				ioc->name, pFwHeader->ImageSize, pFwHeader->ImageSize, pFwHeader));
3156

L
Linus Torvalds 已提交
3157 3158 3159 3160 3161 3162 3163 3164 3165 3166 3167
	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) {
3168
		msleep(1);
L
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3169 3170 3171 3172 3173 3174 3175 3176 3177 3178
	} 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)) {
3179
			ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "RESET_ADAPTER cleared, count=%d\n",
L
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3180 3181 3182
				ioc->name, count));
			break;
		}
3183
		/* wait .1 sec */
L
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3184
		if (sleepFlag == CAN_SLEEP) {
3185
			msleep (100);
L
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3186
		} else {
3187
			mdelay (100);
L
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3188 3189 3190 3191
		}
	}

	if ( count == 30 ) {
3192
		ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "downloadboot failed! "
3193
		"Unable to get MPI_DIAG_DRWE mode, diag0val=%x\n",
L
Linus Torvalds 已提交
3194 3195 3196 3197 3198 3199 3200 3201 3202 3203 3204 3205 3206 3207 3208 3209 3210 3211 3212 3213
		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
	 */
3214 3215 3216
	if (ioc->errata_flag_1064)
		pci_enable_io_access(ioc->pcidev);

L
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3217
	CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwAddress, pFwHeader->LoadStartAddress);
3218
	ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "LoadStart addr written 0x%x \n",
L
Linus Torvalds 已提交
3219 3220
		ioc->name, pFwHeader->LoadStartAddress));

3221
	ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Write FW Image: 0x%x bytes @ %p\n",
L
Linus Torvalds 已提交
3222 3223 3224 3225 3226 3227 3228 3229 3230 3231 3232 3233 3234 3235
				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;

3236
		ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Write Ext Image: 0x%x (%d) bytes @ %p load_addr=%x\n",
3237
						ioc->name, fwSize*4, fwSize*4, ptrFw, load_addr));
L
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3238 3239 3240 3241 3242 3243 3244 3245 3246
		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 */
3247
	ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Write IopResetVector Addr=%x! \n", ioc->name, 	pFwHeader->IopResetRegAddr));
L
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3248 3249 3250
	CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwAddress, pFwHeader->IopResetRegAddr);

	/* Write the IopResetVectorValue */
3251
	ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Write IopResetVector Value=%x! \n", ioc->name, pFwHeader->IopResetVectorValue));
L
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3252 3253 3254 3255 3256
	CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwData, pFwHeader->IopResetVectorValue);

	/* Clear the internal flash bad bit - autoincrementing register,
	 * so must do two writes.
	 */
3257
	if (ioc->bus_type == SPI) {
3258 3259 3260 3261 3262 3263 3264 3265 3266 3267 3268 3269 3270 3271 3272 3273 3274
		/*
		 * 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) {
3275
			msleep (1);
3276 3277 3278 3279
		} else {
			mdelay (1);
		}
	}
L
Linus Torvalds 已提交
3280

3281 3282 3283
	if (ioc->errata_flag_1064)
		pci_disable_io_access(ioc->pcidev);

L
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3284
	diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
3285
	ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "downloadboot diag0val=%x, "
3286
		"turning off PREVENT_IOC_BOOT, DISABLE_ARM, RW_ENABLE\n",
L
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3287
		ioc->name, diag0val));
3288
	diag0val &= ~(MPI_DIAG_PREVENT_IOC_BOOT | MPI_DIAG_DISABLE_ARM | MPI_DIAG_RW_ENABLE);
3289
	ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "downloadboot now diag0val=%x\n",
L
Linus Torvalds 已提交
3290 3291 3292 3293 3294 3295
		ioc->name, diag0val));
	CHIPREG_WRITE32(&ioc->chip->Diagnostic, diag0val);

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

3296 3297 3298 3299
	if (ioc->bus_type == SAS) {
		ioc_state = mpt_GetIocState(ioc, 0);
		if ( (GetIocFacts(ioc, sleepFlag,
				MPT_HOSTEVENT_IOC_BRINGUP)) != 0 ) {
3300
			ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "GetIocFacts failed: IocState=%x\n",
3301 3302 3303 3304 3305
					ioc->name, ioc_state));
			return -EFAULT;
		}
	}

L
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3306 3307
	for (count=0; count<HZ*20; count++) {
		if ((ioc_state = mpt_GetIocState(ioc, 0)) & MPI_IOC_STATE_READY) {
3308 3309 3310
			ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT
				"downloadboot successful! (count=%d) IocState=%x\n",
				ioc->name, count, ioc_state));
3311 3312 3313
			if (ioc->bus_type == SAS) {
				return 0;
			}
L
Linus Torvalds 已提交
3314
			if ((SendIocInit(ioc, sleepFlag)) != 0) {
3315 3316
				ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT
					"downloadboot: SendIocInit failed\n",
L
Linus Torvalds 已提交
3317 3318 3319
					ioc->name));
				return -EFAULT;
			}
3320 3321
			ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT
					"downloadboot: SendIocInit successful\n",
L
Linus Torvalds 已提交
3322 3323 3324 3325
					ioc->name));
			return 0;
		}
		if (sleepFlag == CAN_SLEEP) {
3326
			msleep (10);
L
Linus Torvalds 已提交
3327 3328 3329 3330
		} else {
			mdelay (10);
		}
	}
3331 3332
	ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT
		"downloadboot failed! IocState=%x\n",ioc->name, ioc_state));
L
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3333 3334 3335 3336
	return -EFAULT;
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3337
/**
L
Linus Torvalds 已提交
3338 3339 3340 3341 3342 3343 3344 3345 3346 3347 3348 3349 3350 3351 3352 3353 3354
 *	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:
3355 3356 3357
 *		 1 - hard reset, READY
 *		 0 - no reset due to History bit, READY
 *		-1 - no reset due to History bit but not READY
L
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3358 3359 3360 3361 3362 3363 3364 3365 3366 3367 3368
 *		     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;

3369
	dinitprintk(ioc, printk(KERN_WARNING MYNAM ": KickStarting %s!\n", ioc->name));
3370
	if (ioc->bus_type == SPI) {
L
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3371 3372 3373 3374 3375 3376
		/* 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) {
3377
			msleep (1000);
L
Linus Torvalds 已提交
3378 3379 3380 3381 3382 3383 3384 3385 3386
		} else {
			mdelay (1000);
		}
	}

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

3387
	dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Diagnostic reset successful!\n",
L
Linus Torvalds 已提交
3388 3389 3390 3391 3392 3393
			ioc->name));

	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)) {
3394
			dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "KickStart successful! (cnt=%d)\n",
L
Linus Torvalds 已提交
3395 3396 3397 3398
 					ioc->name, cnt));
			return hard_reset_done;
		}
		if (sleepFlag == CAN_SLEEP) {
3399
			msleep (10);
L
Linus Torvalds 已提交
3400 3401 3402 3403 3404 3405 3406 3407 3408 3409 3410
		} else {
			mdelay (10);
		}
	}

	printk(MYIOC_s_ERR_FMT "Failed to come READY after reset! IocState=%x\n",
			ioc->name, ioc_state);
	return -1;
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3411
/**
L
Linus Torvalds 已提交
3412 3413 3414 3415
 *	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
3416
 *	@sleepFlag: CAN_SLEEP if called in a non-interrupt thread,
L
Linus Torvalds 已提交
3417 3418 3419 3420 3421 3422 3423 3424 3425 3426 3427 3428 3429 3430 3431
 *		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)
{
3432
	MPT_ADAPTER	*iocp=NULL;
L
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3433 3434 3435 3436 3437 3438
	u32 diag0val;
	u32 doorbell;
	int hard_reset_done = 0;
	int count = 0;
	u32 diag1val = 0;

3439 3440 3441
	/* Clear any existing interrupts */
	CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);

3442
	if (ioc->pcidev->device == MPI_MANUFACTPAGE_DEVID_SAS1078) {
3443
		drsprintk(ioc, printk(MYIOC_s_WARN_FMT "%s: Doorbell=%p; 1078 reset "
3444 3445 3446 3447 3448 3449 3450 3451 3452 3453 3454 3455
			"address=%p\n",  ioc->name, __FUNCTION__,
			&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;

3456
			drsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3457 3458 3459 3460
				"looking for READY STATE: doorbell=%x"
			        " count=%d\n",
				ioc->name, doorbell, count));
			if (doorbell == MPI_IOC_STATE_READY) {
3461
				return 1;
3462 3463 3464 3465 3466 3467 3468 3469 3470 3471 3472
			}

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

L
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3473 3474 3475
	/* Use "Diagnostic reset" method! (only thing available!) */
	diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);

3476 3477 3478 3479
	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
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3480
			ioc->name, diag0val, diag1val));
3481
	}
L
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3482 3483 3484 3485 3486 3487 3488 3489 3490 3491 3492 3493 3494 3495 3496 3497 3498 3499

	/* 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) {
3500
				msleep (100);
L
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3501 3502 3503 3504 3505 3506 3507 3508 3509 3510 3511 3512 3513 3514
			} 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);

3515
			dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Wrote magic DiagWriteEn sequence (%x)\n",
L
Linus Torvalds 已提交
3516 3517 3518
					ioc->name, diag0val));
		}

3519 3520 3521 3522
		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
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3523
				ioc->name, diag0val, diag1val));
3524
		}
L
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3525 3526 3527 3528 3529
		/*
		 * Disable the ARM (Bug fix)
		 *
		 */
		CHIPREG_WRITE32(&ioc->chip->Diagnostic, diag0val | MPI_DIAG_DISABLE_ARM);
3530
		mdelay(1);
L
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3531 3532 3533 3534 3535 3536 3537

		/*
		 * 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;
3538
		dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Diagnostic reset performed\n",
L
Linus Torvalds 已提交
3539 3540 3541 3542 3543 3544 3545 3546 3547 3548 3549 3550 3551 3552
				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.
		 */
		{
			int	 ii;
			int	 r = 0;

			for (ii=MPT_MAX_PROTOCOL_DRIVERS-1; ii; ii--) {
				if (MptResetHandlers[ii]) {
3553 3554 3555
					dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
						"Calling IOC pre_reset handler #%d\n",
						ioc->name, ii));
3556
					r += mpt_signal_reset(ii, ioc, MPT_IOC_PRE_RESET);
L
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3557
					if (ioc->alt_ioc) {
3558 3559 3560
						dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
							"Calling alt-%s pre_reset handler #%d\n",
							ioc->name, ioc->alt_ioc->name, ii));
3561
						r += mpt_signal_reset(ii, ioc->alt_ioc, MPT_IOC_PRE_RESET);
L
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3562 3563 3564 3565 3566 3567
					}
				}
			}
			/* FIXME?  Examine results here? */
		}

3568 3569 3570 3571 3572
		if (ioc->cached_fw)
			iocp = ioc;
		else if (ioc->alt_ioc && ioc->alt_ioc->cached_fw)
			iocp = ioc->alt_ioc;
		if (iocp) {
L
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3573 3574 3575 3576 3577
			/* 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 ++) {
3578
				diag0val = CHIPREG_READ32(&iocp->chip->Diagnostic);
L
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3579 3580 3581 3582
				if (!(diag0val & MPI_DIAG_RESET_ADAPTER)) {
					break;
				}

3583
				dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "cached_fw: diag0val=%x count=%d\n",
3584
					iocp->name, diag0val, count));
L
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3585 3586
				/* wait 1 sec */
				if (sleepFlag == CAN_SLEEP) {
3587
					msleep (1000);
L
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3588 3589 3590 3591
				} else {
					mdelay (1000);
				}
			}
3592
			if ((count = mpt_downloadboot(ioc,
3593
				(MpiFwHeader_t *)iocp->cached_fw, sleepFlag)) < 0) {
L
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3594 3595 3596 3597 3598 3599 3600 3601 3602 3603 3604 3605 3606 3607 3608 3609 3610 3611 3612 3613 3614
				printk(KERN_WARNING MYNAM
					": firmware downloadboot failure (%d)!\n", count);
			}

		} 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) {
3615
					msleep (1000);
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				} else {
					mdelay (1000);
				}
			}
		}
	}

	diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
3624 3625 3626 3627 3628 3629
	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) {
3649
			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;
	}

3683 3684 3685 3686
	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));
3688
	}
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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;
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3702
/**
L
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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
3707
 *	@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;

3720
	drsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending IOC reset(0x%02x)!\n",
L
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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;

			printk(KERN_ERR MYNAM ": %s: ERROR - Wait IOC_READY state timeout(%d)!\n",
					ioc->name, (int)((count+5)/HZ));
			return -ETIME;
		}

		if (sleepFlag == CAN_SLEEP) {
3744
			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;
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3761 3762 3763 3764 3765 3766
/**
 *	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;
3785
		dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ReqToChain alloc  @ %p, sz=%d bytes\n",
L
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3786 3787 3788 3789 3790 3791
			 	ioc->name, mem, sz));
		mem = kmalloc(sz, GFP_ATOMIC);
		if (mem == NULL)
			return -1;

		ioc->RequestNB = (int *) mem;
3792
		dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "RequestNB alloc  @ %p, sz=%d bytes\n",
L
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3793 3794 3795 3796 3797 3798 3799 3800 3801 3802 3803
			 	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
3804
	 * 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
	 */
	scale = ioc->req_sz/(sizeof(dma_addr_t) + sizeof(u32));
	if (sizeof(dma_addr_t) == sizeof(u64))
		num_sge =  scale + (ioc->req_sz - 60) / (sizeof(dma_addr_t) + sizeof(u32));
	else
		num_sge =  1+ scale + (ioc->req_sz - 64) / (sizeof(dma_addr_t) + sizeof(u32));

	if (sizeof(dma_addr_t) == sizeof(u64)) {
		numSGE = (scale - 1) * (ioc->facts.MaxChainDepth-1) + scale +
			(ioc->req_sz - 60) / (sizeof(dma_addr_t) + sizeof(u32));
	} else {
		numSGE = 1 + (scale - 1) * (ioc->facts.MaxChainDepth-1) + scale +
			(ioc->req_sz - 64) / (sizeof(dma_addr_t) + sizeof(u32));
	}
3822
	dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "num_sge=%d numSGE=%d\n",
L
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3823 3824 3825 3826 3827 3828 3829 3830 3831 3832 3833 3834
		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++;

3835
	dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Now numSGE=%d num_sge=%d num_chain=%d\n",
L
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		ioc->name, numSGE, num_sge, num_chain));

3838
	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;
3852
		dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ChainToChain alloc @ %p, sz=%d bytes\n",
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3853 3854 3855 3856 3857 3858 3859 3860 3861
			 	ioc->name, mem, sz));
	} else {
		mem = (u8 *) ioc->ChainToChain;
	}
	memset(mem, 0xFF, sz);
	return num_chain;
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3862
/**
L
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3863 3864 3865 3866 3867 3868 3869 3870 3871 3872 3873 3874 3875 3876 3877 3878 3879 3880 3881 3882 3883 3884 3885 3886 3887
 *	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;

	/*  Prime reply FIFO...  */

	if (ioc->reply_frames == NULL) {
		if ( (num_chain = initChainBuffers(ioc)) < 0)
			return -1;

		total_size = reply_sz = (ioc->reply_sz * ioc->reply_depth);
3888
		dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ReplyBuffer sz=%d bytes, ReplyDepth=%d\n",
L
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3889
			 	ioc->name, ioc->reply_sz, ioc->reply_depth));
3890
		dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ReplyBuffer sz=%d[%x] bytes\n",
L
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3891 3892 3893
			 	ioc->name, reply_sz, reply_sz));

		sz = (ioc->req_sz * ioc->req_depth);
3894
		dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "RequestBuffer sz=%d bytes, RequestDepth=%d\n",
L
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3895
			 	ioc->name, ioc->req_sz, ioc->req_depth));
3896
		dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "RequestBuffer sz=%d[%x] bytes\n",
L
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3897 3898 3899 3900
			 	ioc->name, sz, sz));
		total_size += sz;

		sz = num_chain * ioc->req_sz; /* chain buffer pool size */
3901
		dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ChainBuffer sz=%d bytes, ChainDepth=%d\n",
L
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3902
			 	ioc->name, ioc->req_sz, num_chain));
3903
		dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ChainBuffer sz=%d[%x] bytes num_chain=%d\n",
L
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3904 3905 3906 3907 3908 3909 3910 3911 3912 3913
			 	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;
		}

3914
		dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Total alloc @ %p[%p], sz=%d[%x] bytes\n",
L
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3915 3916 3917 3918 3919 3920 3921 3922 3923 3924
			 	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);

3925
		dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ReplyBuffers @ %p[%p]\n",
3926 3927
	 		ioc->name, ioc->reply_frames, (void *)(ulong)alloc_dma));

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		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;

3936
		dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "RequestBuffers @ %p[%p]\n",
L
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3937 3938 3939 3940 3941 3942 3943 3944 3945 3946 3947 3948 3949
			 	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);
3950
		dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "MTRR region registered (base:size=%08x:%x)\n",
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				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;

3962
		dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ChainBuffers @ %p(%p)\n",
L
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3963 3964 3965 3966 3967 3968 3969 3970 3971 3972 3973 3974 3975 3976 3977 3978 3979 3980 3981 3982 3983 3984 3985 3986 3987 3988 3989 3990 3991 3992 3993 3994 3995 3996 3997 3998 3999 4000 4001 4002 4003 4004 4005 4006
			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;
4007
		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;
4015
	dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ReplyBuffers @ %p[%p]\n",
L
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4016 4017 4018 4019 4020 4021 4022 4023 4024 4025 4026 4027 4028 4029 4030 4031 4032 4033 4034 4035 4036 4037 4038 4039 4040 4041 4042 4043 4044 4045 4046 4047 4048 4049 4050 4051 4052 4053 4054 4055 4056 4057 4058 4059 4060 4061 4062 4063 4064 4065 4066
	 	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;
	}

	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;
	}
	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,
4067
		int replyBytes, u16 *u16reply, int maxwait, int sleepFlag)
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{
	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++;

4096
	dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "HandShake request start reqBytes=%d, WaitCnt=%d%s\n",
L
Linus Torvalds 已提交
4097 4098 4099 4100 4101 4102 4103 4104 4105 4106 4107 4108 4109 4110 4111 4112 4113 4114 4115 4116 4117 4118 4119 4120 4121 4122 4123 4124 4125 4126 4127 4128 4129 4130
			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++;
		}

4131 4132
		dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Handshake request frame (@%p) header\n", ioc->name, req));
		DBG_DUMP_REQUEST_FRAME_HDR(ioc, (u32 *)req)
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4133

4134
		dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "HandShake request post done, WaitCnt=%d%s\n",
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				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++;
4142

4143
		dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "HandShake reply count=%d%s\n",
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4144 4145 4146 4147 4148 4149 4150 4151 4152 4153 4154 4155 4156 4157 4158
				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;
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
4159 4160
/**
 *	WaitForDoorbellAck - Wait for IOC doorbell handshake acknowledge
L
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4161 4162 4163 4164 4165
 *	@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
4166 4167
 *	handshake ACKnowledge, indicated by the IOP_DOORBELL_STATUS
 *	bit in its IntStatus register being clear.
L
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 *
 *	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;

4178
	cntdn = 1000 * howlong;
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	if (sleepFlag == CAN_SLEEP) {
		while (--cntdn) {
4182
			msleep (1);
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4183 4184 4185 4186 4187 4188 4189
			intstat = CHIPREG_READ32(&ioc->chip->IntStatus);
			if (! (intstat & MPI_HIS_IOP_DOORBELL_STATUS))
				break;
			count++;
		}
	} else {
		while (--cntdn) {
4190
			udelay (1000);
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4191 4192 4193 4194 4195 4196 4197 4198
			intstat = CHIPREG_READ32(&ioc->chip->IntStatus);
			if (! (intstat & MPI_HIS_IOP_DOORBELL_STATUS))
				break;
			count++;
		}
	}

	if (cntdn) {
4199
		dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "WaitForDoorbell ACK (count=%d)\n",
L
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4200 4201 4202 4203 4204 4205 4206 4207 4208 4209
				ioc->name, count));
		return count;
	}

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

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
4210 4211
/**
 *	WaitForDoorbellInt - Wait for IOC to set its doorbell interrupt bit
L
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4212 4213 4214 4215
 *	@ioc: Pointer to MPT_ADAPTER structure
 *	@howlong: How long to wait (in seconds)
 *	@sleepFlag: Specifies whether the process can sleep
 *
4216 4217
 *	This routine waits (up to ~2 seconds max) for IOC doorbell interrupt
 *	(MPI_HIS_DOORBELL_INTERRUPT) to be set in the IntStatus register.
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 *
 *	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;

4228
	cntdn = 1000 * howlong;
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4229 4230 4231 4232 4233
	if (sleepFlag == CAN_SLEEP) {
		while (--cntdn) {
			intstat = CHIPREG_READ32(&ioc->chip->IntStatus);
			if (intstat & MPI_HIS_DOORBELL_INTERRUPT)
				break;
4234
			msleep(1);
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4235 4236 4237 4238 4239 4240 4241
			count++;
		}
	} else {
		while (--cntdn) {
			intstat = CHIPREG_READ32(&ioc->chip->IntStatus);
			if (intstat & MPI_HIS_DOORBELL_INTERRUPT)
				break;
4242
			udelay (1000);
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4243 4244 4245 4246 4247
			count++;
		}
	}

	if (cntdn) {
4248
		dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "WaitForDoorbell INT (cnt=%d) howlong=%d\n",
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				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;
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
4259 4260
/**
 *	WaitForDoorbellReply - Wait for and capture an IOC handshake reply.
L
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4261 4262 4263 4264 4265 4266 4267 4268 4269 4270 4271 4272 4273 4274 4275 4276 4277 4278 4279 4280 4281 4282 4283 4284 4285 4286 4287 4288 4289 4290 4291 4292 4293 4294 4295 4296 4297 4298 4299
 *	@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);
		}
	}

4300
	dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "WaitCnt=%d First handshake reply word=%08x%s\n",
4301
			ioc->name, t, le32_to_cpu(*(u32 *)hs_reply),
L
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4302 4303 4304 4305 4306 4307 4308 4309 4310 4311 4312 4313 4314 4315 4316 4317 4318 4319 4320 4321 4322 4323 4324 4325 4326 4327 4328 4329 4330 4331 4332 4333 4334 4335
			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! */
		if (u16cnt < sizeof(ioc->hs_reply) / sizeof(ioc->hs_reply[0]))
			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

4336 4337
	dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Got Handshake reply:\n", ioc->name));
	DBG_DUMP_REPLY_FRAME(ioc, (u32 *)mptReply)
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4338

4339
	dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "WaitForDoorbell REPLY WaitCnt=%d (sz=%d)\n",
L
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4340 4341 4342 4343 4344
			ioc->name, t, u16cnt/2));
	return u16cnt/2;
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
4345
/**
L
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4346 4347 4348 4349 4350 4351 4352 4353 4354 4355 4356 4357 4358 4359 4360 4361 4362 4363 4364 4365 4366 4367 4368 4369 4370 4371 4372
 *	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;
4373
	cfg.cfghdr.hdr = &hdr;
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4374 4375 4376 4377 4378 4379 4380 4381 4382 4383 4384 4385 4386 4387 4388 4389 4390 4391 4392 4393 4394 4395 4396 4397 4398 4399 4400 4401 4402 4403 4404 4405 4406 4407 4408 4409 4410 4411 4412 4413 4414 4415 4416
	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;
4417
	cfg.cfghdr.hdr = &hdr;
L
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4418 4419 4420 4421 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
	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;
}

4455
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
4456 4457
/**
 *	mptbase_sas_persist_operation - Perform operation on SAS Persistent Table
4458 4459 4460 4461 4462 4463 4464 4465 4466
 *	@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.
 *
4467
 *	Returns 0 for success, non-zero error
4468 4469 4470 4471 4472 4473 4474 4475 4476 4477 4478 4479 4480 4481 4482 4483 4484 4485 4486 4487 4488 4489 4490 4491 4492 4493 4494 4495 4496 4497 4498 4499 4500 4501 4502 4503 4504 4505 4506 4507 4508 4509 4510 4511 4512 4513 4514 4515 4516 4517 4518 4519 4520 4521 4522 4523 4524 4525 4526 4527 4528 4529 4530
 */

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
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;
	}

	printk("%s: persist_opcode=%x\n",__FUNCTION__, persist_opcode);

	/* Get a MF for this command.
	 */
	if ((mf = mpt_get_msg_frame(mpt_base_index, ioc)) == NULL) {
		printk("%s: no msg frames!\n",__FUNCTION__);
		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",
		    __FUNCTION__,
		    sasIoUnitCntrReply->IOCStatus,
		    sasIoUnitCntrReply->IOCLogInfo);
		return -1;
	}

	printk("%s: success\n",__FUNCTION__);
	return 0;
}

4531 4532 4533 4534 4535 4536 4537 4538 4539 4540 4541 4542 4543 4544 4545 4546 4547 4548 4549 4550 4551 4552 4553 4554 4555 4556 4557
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/

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)) {
4558 4559
		printk(MYIOC_s_INFO_FMT "RAID STATUS CHANGE for PhysDisk %d id=%d\n",
			ioc->name, disk, volume);
4560 4561 4562 4563 4564 4565 4566 4567 4568 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 4603 4604 4605 4606 4607 4608 4609 4610 4611 4612 4613 4614 4615 4616 4617 4618 4619 4620 4621 4622 4623 4624 4625 4626 4627 4628 4629 4630 4631 4632 4633 4634 4635 4636 4637 4638 4639 4640 4641 4642 4643 4644 4645 4646 4647 4648 4649 4650 4651 4652 4653 4654 4655 4656 4657 4658 4659 4660 4661 4662
	} 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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/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
4664
/**
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 *	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;
4689
	cfg.cfghdr.hdr = &hdr;
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	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;
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
4722 4723
/**
 *	mpt_GetScsiPortSettings - read SCSI Port Page 0 and 2
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 *	@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;

4764
		dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "SCSI device NVRAM settings @ %p, sz=%d\n",
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			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;
4780
	cfg.cfghdr.hdr = &header;
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	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;
4800 4801
				ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT
					"Unable to read PortPage0 minSyncFactor=%x\n",
4802
					ioc->name, ioc->spi_data.minSyncFactor));
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			} 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;
4812 4813
					ddvprintk(ioc, printk(KERN_INFO MYNAM
						" :%s noQas due to Capabilities=%x\n",
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						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);
4822 4823
					ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT
						"PortPage0 minSyncFactor=%x\n",
4824
						ioc->name, ioc->spi_data.minSyncFactor));
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				} 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))  {

4837
					if (ioc->spi_data.minSyncFactor < MPT_ULTRA) {
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						ioc->spi_data.minSyncFactor = MPT_ULTRA;
4839 4840
						ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT
							"HVD or SE detected, minSyncFactor=%x\n",
4841 4842
							ioc->name, ioc->spi_data.minSyncFactor));
					}
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				}
			}
			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;
4857
	cfg.cfghdr.hdr = &header;
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	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;
			} else {
				SCSIPortPage2_t *pPP2 = (SCSIPortPage2_t  *) pbuf;
				MpiDeviceInfo_t	*pdevice = NULL;

4880 4881 4882 4883 4884 4885 4886 4887
				/*
				 * 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 ;

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				/* 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;
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
4914 4915
/**
 *	mpt_readScsiDevicePageHeaders - save version and length of SDP1
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 *	@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;
4934
	cfg.cfghdr.hdr = &header;
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4935 4936 4937 4938 4939 4940 4941 4942
	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;

4943 4944
	ioc->spi_data.sdp1version = cfg.cfghdr.hdr->PageVersion;
	ioc->spi_data.sdp1length = cfg.cfghdr.hdr->PageLength;
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	header.PageVersion = 0;
	header.PageLength = 0;
	header.PageNumber = 0;
	header.PageType = MPI_CONFIG_PAGETYPE_SCSI_DEVICE;
	if (mpt_config(ioc, &cfg) != 0)
		 return -EFAULT;

4953 4954
	ioc->spi_data.sdp0version = cfg.cfghdr.hdr->PageVersion;
	ioc->spi_data.sdp0length = cfg.cfghdr.hdr->PageLength;
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4955

4956
	dcprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Headers: 0: version %d length %d\n",
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4957 4958
			ioc->name, ioc->spi_data.sdp0version, ioc->spi_data.sdp0length));

4959
	dcprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Headers: 1: version %d length %d\n",
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4960 4961 4962 4963
			ioc->name, ioc->spi_data.sdp1version, ioc->spi_data.sdp1length));
	return 0;
}

4964
/**
4965 4966
 * mpt_inactive_raid_list_free - This clears this link list.
 * @ioc : pointer to per adapter structure
4967 4968 4969 4970 4971 4972 4973 4974 4975 4976 4977 4978 4979 4980 4981 4982 4983 4984 4985
 **/
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;

	down(&ioc->raid_data.inactive_list_mutex);
	list_for_each_entry_safe(component_info, pNext,
	    &ioc->raid_data.inactive_list, list) {
		list_del(&component_info->list);
		kfree(component_info);
	}
	up(&ioc->raid_data.inactive_list_mutex);
}

/**
4986
 * mpt_inactive_raid_volumes - sets up link list of phy_disk_nums for devices belonging in an inactive volume
4987
 *
4988 4989 4990
 * @ioc : pointer to per adapter structure
 * @channel : volume channel
 * @id : volume target id
4991 4992 4993 4994 4995 4996 4997 4998 4999 5000 5001 5002 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 5030 5031 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 5135 5136
 **/
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;

	down(&ioc->raid_data.inactive_list_mutex);
	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);
	}
	up(&ioc->raid_data.inactive_list_mutex);

 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;
}

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/**
 *	mpt_findImVolumes - Identify IDs of hidden disks and RAID Volumes
 *	@ioc: Pointer to a Adapter Strucutre
 *	@portnum: IOC port number
 *
 *	Return:
 *	0 on success
 *	-EFAULT if read of config page header fails or data pointer not NULL
 *	-ENOMEM if pci_alloc failed
5146
 **/
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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;
5157 5158 5159 5160 5161 5162 5163 5164 5165 5166
	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);
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	/* Read IOCP2 header then the page.
	 */
	header.PageVersion = 0;
	header.PageLength = 0;
	header.PageNumber = 2;
	header.PageType = MPI_CONFIG_PAGETYPE_IOC;
5174
	cfg.cfghdr.hdr = &header;
L
Linus Torvalds 已提交
5175 5176 5177 5178 5179 5180 5181 5182 5183 5184 5185 5186 5187 5188 5189 5190 5191 5192 5193
	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)
5194 5195 5196 5197 5198
		goto out;

	mem = kmalloc(iocpage2sz, GFP_KERNEL);
	if (!mem)
		goto out;
L
Linus Torvalds 已提交
5199 5200

	memcpy(mem, (u8 *)pIoc2, iocpage2sz);
5201
	ioc->raid_data.pIocPg2 = (IOCPage2_t *) mem;
L
Linus Torvalds 已提交
5202

5203
	mpt_read_ioc_pg_3(ioc);
L
Linus Torvalds 已提交
5204

5205 5206 5207 5208
	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
5209

5210
 out:
L
Linus Torvalds 已提交
5211 5212 5213 5214 5215
	pci_free_consistent(ioc->pcidev, iocpage2sz, pIoc2, ioc2_dma);

	return rc;
}

M
Moore, Eric 已提交
5216
static int
L
Linus Torvalds 已提交
5217 5218 5219 5220 5221 5222 5223 5224 5225 5226 5227
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
	 */
5228 5229
	kfree(ioc->raid_data.pIocPg3);
	ioc->raid_data.pIocPg3 = NULL;
L
Linus Torvalds 已提交
5230 5231 5232 5233 5234 5235 5236 5237

	/* 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;
5238
	cfg.cfghdr.hdr = &header;
L
Linus Torvalds 已提交
5239 5240 5241 5242 5243 5244 5245 5246 5247 5248 5249 5250 5251 5252 5253 5254 5255 5256 5257 5258 5259 5260 5261 5262
	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) {
5263
		mem = kmalloc(iocpage3sz, GFP_KERNEL);
L
Linus Torvalds 已提交
5264 5265
		if (mem) {
			memcpy(mem, (u8 *)pIoc3, iocpage3sz);
5266
			ioc->raid_data.pIocPg3 = (IOCPage3_t *) mem;
L
Linus Torvalds 已提交
5267 5268 5269 5270 5271 5272 5273 5274 5275 5276 5277 5278 5279 5280 5281 5282 5283 5284 5285 5286 5287 5288 5289
		}
	}

	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;
5290
	cfg.cfghdr.hdr = &header;
L
Linus Torvalds 已提交
5291 5292 5293 5294 5295 5296 5297 5298 5299 5300 5301 5302 5303 5304 5305 5306
	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;
5307
		ioc->alloc_total += iocpage4sz;
L
Linus Torvalds 已提交
5308 5309 5310 5311 5312 5313 5314 5315 5316 5317 5318 5319 5320 5321 5322 5323
	} 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;
5324
		ioc->alloc_total -= iocpage4sz;
L
Linus Torvalds 已提交
5325 5326 5327 5328 5329 5330 5331 5332 5333 5334 5335 5336 5337 5338 5339 5340 5341 5342 5343
	}
}

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;
5344
	cfg.cfghdr.hdr = &header;
L
Linus Torvalds 已提交
5345 5346 5347 5348 5349 5350 5351 5352 5353 5354 5355 5356 5357 5358 5359 5360 5361 5362 5363 5364 5365 5366 5367
	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) {
5368

L
Linus Torvalds 已提交
5369 5370 5371 5372
		tmp = le32_to_cpu(pIoc1->Flags) & MPI_IOCPAGE1_REPLY_COALESCING;
		if (tmp == MPI_IOCPAGE1_REPLY_COALESCING) {
			tmp = le32_to_cpu(pIoc1->CoalescingTimeout);

5373
			dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Coalescing Enabled Timeout = %d\n",
L
Linus Torvalds 已提交
5374 5375 5376 5377 5378 5379 5380 5381 5382 5383
					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) {
5384
					dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Reset Current Coalescing Timeout to = %d\n",
L
Linus Torvalds 已提交
5385 5386 5387 5388
							ioc->name, MPT_COALESCING_TIMEOUT));

					cfg.action = MPI_CONFIG_ACTION_PAGE_WRITE_NVRAM;
					if (mpt_config(ioc, &cfg) == 0) {
5389 5390
						dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
								"Reset NVRAM Coalescing Timeout to = %d\n",
L
Linus Torvalds 已提交
5391 5392
								ioc->name, MPT_COALESCING_TIMEOUT));
					} else {
5393 5394 5395
						dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
								"Reset NVRAM Coalescing Timeout Failed\n",
								ioc->name));
L
Linus Torvalds 已提交
5396 5397 5398
					}

				} else {
5399 5400 5401
					dprintk(ioc, printk(MYIOC_s_WARN_FMT
						"Reset of Current Coalescing Timeout Failed!\n",
						ioc->name));
L
Linus Torvalds 已提交
5402 5403 5404 5405
				}
			}

		} else {
5406
			dprintk(ioc, printk(MYIOC_s_WARN_FMT "Coalescing Disabled\n", ioc->name));
L
Linus Torvalds 已提交
5407 5408 5409 5410 5411 5412 5413 5414
		}
	}

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

	return;
}

5415 5416 5417 5418 5419 5420 5421 5422 5423 5424 5425 5426 5427 5428 5429 5430 5431 5432 5433 5434 5435 5436 5437 5438 5439 5440 5441 5442 5443 5444 5445 5446 5447 5448 5449 5450 5451 5452 5453 5454 5455 5456 5457
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
5458
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
5459 5460
/**
 *	SendEventNotification - Send EventNotification (on or off) request to adapter
L
Linus Torvalds 已提交
5461 5462 5463 5464 5465 5466 5467 5468 5469 5470
 *	@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) {
5471
		devtverboseprintk(ioc, printk(MYIOC_s_WARN_FMT "Unable to allocate event request frame!\n",
L
Linus Torvalds 已提交
5472 5473 5474 5475 5476
				ioc->name));
		return 0;
	}
	memset(evnp, 0, sizeof(*evnp));

5477
	devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending EventNotification (%d) request %p\n", ioc->name, EvSwitch, evnp));
L
Linus Torvalds 已提交
5478 5479 5480 5481 5482 5483 5484 5485 5486 5487 5488 5489 5490 5491 5492 5493 5494 5495 5496 5497 5498 5499 5500

	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) {
5501
		dfailprintk(ioc, printk(MYIOC_s_WARN_FMT "%s, no msg frames!!\n",
5502
		    ioc->name,__FUNCTION__));
L
Linus Torvalds 已提交
5503 5504 5505
		return -1;
	}

5506
	devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending EventAck\n", ioc->name));
L
Linus Torvalds 已提交
5507 5508 5509

	pAck->Function     = MPI_FUNCTION_EVENT_ACK;
	pAck->ChainOffset  = 0;
5510
	pAck->Reserved[0]  = pAck->Reserved[1] = 0;
L
Linus Torvalds 已提交
5511
	pAck->MsgFlags     = 0;
5512
	pAck->Reserved1[0] = pAck->Reserved1[1] = pAck->Reserved1[2] = 0;
L
Linus Torvalds 已提交
5513 5514 5515 5516 5517 5518 5519 5520 5521 5522 5523
	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
5524 5525
 *	@ioc:   Pointer to an adapter structure
 *	@pCfg:  Pointer to a configuration structure. Struct contains
L
Linus Torvalds 已提交
5526 5527 5528 5529 5530 5531 5532 5533 5534 5535 5536 5537 5538
 *		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;
5539
	ConfigExtendedPageHeader_t  *pExtHdr = NULL;
L
Linus Torvalds 已提交
5540 5541 5542
	MPT_FRAME_HDR	*mf;
	unsigned long	 flags;
	int		 ii, rc;
5543
	int		 flagsLength;
L
Linus Torvalds 已提交
5544 5545
	int		 in_isr;

5546
	/*	Prevent calling wait_event() (below), if caller happens
L
Linus Torvalds 已提交
5547 5548 5549 5550
	 *	to be in ISR context, because that is fatal!
	 */
	in_isr = in_interrupt();
	if (in_isr) {
5551
		dcprintk(ioc, printk(MYIOC_s_WARN_FMT "Config request not allowed in ISR context!\n",
L
Linus Torvalds 已提交
5552 5553 5554 5555 5556 5557 5558
				ioc->name));
		return -EPERM;
	}

	/* Get and Populate a free Frame
	 */
	if ((mf = mpt_get_msg_frame(mpt_base_index, ioc)) == NULL) {
5559
		dcprintk(ioc, printk(MYIOC_s_WARN_FMT "mpt_config: no msg frames!\n",
L
Linus Torvalds 已提交
5560 5561 5562 5563 5564 5565 5566 5567
				ioc->name));
		return -EAGAIN;
	}
	pReq = (Config_t *)mf;
	pReq->Action = pCfg->action;
	pReq->Reserved = 0;
	pReq->ChainOffset = 0;
	pReq->Function = MPI_FUNCTION_CONFIG;
5568 5569

	/* Assume page type is not extended and clear "reserved" fields. */
L
Linus Torvalds 已提交
5570 5571 5572
	pReq->ExtPageLength = 0;
	pReq->ExtPageType = 0;
	pReq->MsgFlags = 0;
5573

L
Linus Torvalds 已提交
5574 5575 5576
	for (ii=0; ii < 8; ii++)
		pReq->Reserved2[ii] = 0;

5577 5578 5579 5580 5581 5582 5583 5584 5585 5586 5587 5588 5589 5590 5591
	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;
	}

L
Linus Torvalds 已提交
5592 5593 5594 5595 5596 5597 5598 5599 5600
	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;

5601 5602
	if ((pCfg->cfghdr.hdr->PageType & MPI_CONFIG_PAGETYPE_MASK) == MPI_CONFIG_PAGETYPE_EXTENDED) {
		flagsLength |= pExtHdr->ExtPageLength * 4;
L
Linus Torvalds 已提交
5603

5604
		dcprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending Config request type %d, page %d and action %d\n",
5605 5606 5607 5608
			ioc->name, pReq->ExtPageType, pReq->Header.PageNumber, pReq->Action));
	}
	else {
		flagsLength |= pCfg->cfghdr.hdr->PageLength * 4;
L
Linus Torvalds 已提交
5609

5610
		dcprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending Config request type %d, page %d and action %d\n",
5611 5612 5613 5614
			ioc->name, pReq->Header.PageType, pReq->Header.PageNumber, pReq->Action));
	}

	mpt_add_sge((char *)&pReq->PageBufferSGE, flagsLength, pCfg->physAddr);
L
Linus Torvalds 已提交
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 5641 5642 5643 5644 5645 5646 5647 5648 5649

	/* Append pCfg pointer to end of mf
	 */
	*((void **) (((u8 *) mf) + (ioc->req_sz - sizeof(void *)))) =  (void *) pCfg;

	/* Initalize the timer
	 */
	init_timer(&pCfg->timer);
	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;
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
5650 5651
/**
 *	mpt_timer_expired - Callback for timer process.
L
Linus Torvalds 已提交
5652 5653 5654 5655 5656 5657 5658 5659
 *	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;

5660
	dcprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mpt_timer_expired! \n", ioc->name));
L
Linus Torvalds 已提交
5661 5662 5663 5664 5665 5666 5667 5668 5669

	/* 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.
	 */
5670
	dcprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mpt_timer_expired complete!\n", ioc->name));
L
Linus Torvalds 已提交
5671 5672 5673 5674 5675

	return;
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
5676
/**
L
Linus Torvalds 已提交
5677 5678 5679 5680
 *	mpt_ioc_reset - Base cleanup for hard reset
 *	@ioc: Pointer to the adapter structure
 *	@reset_phase: Indicates pre- or post-reset functionality
 *
5681
 *	Remark: Frees resources with internally generated commands.
L
Linus Torvalds 已提交
5682 5683 5684 5685 5686 5687 5688
 */
static int
mpt_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
{
	CONFIGPARMS *pCfg;
	unsigned long flags;

5689
	dprintk(ioc, printk(KERN_DEBUG MYNAM
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			": IOC %s_reset routed to MPT base driver!\n",
			reset_phase==MPT_IOC_SETUP_RESET ? "setup" : (
			reset_phase==MPT_IOC_PRE_RESET ? "pre" : "post")));

	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...
 */
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
5733
/**
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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;
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
5759
/**
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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);
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
5773 5774
/**
 *	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
5778
 *	@request: Amount of read data requested
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 *	@eof: Pointer to EOF integer
 *	@data: Pointer
 *
5782
 *	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);
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
5817
/**
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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
5822
 *	@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)
{
	int	 ii;
5832
	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");

5839
	scsi = fc = sas = lan = ctl = targ = dmp = 0;
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	for (ii=MPT_MAX_PROTOCOL_DRIVERS-1; ii; ii--) {
		drvname = NULL;
		if (MptCallbacks[ii]) {
			switch (MptDriverClass[ii]) {
5844 5845 5846 5847 5848 5849 5850 5851
			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);
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
5873
/**
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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
5878
 *	@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;
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/*
 *	Reset Handling
 */
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/**
6039
 *	mpt_HardResetHandler - Generic reset handler
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 *	@ioc: Pointer to MPT_ADAPTER structure
 *	@sleepFlag: Indicates if sleep or schedule must be called.
 *
6043 6044 6045
 *	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().
 *
6049
 *	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;

6060
	dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "HardResetHandler Entered!\n", ioc->name));
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#ifdef MFCNT
	printk(MYIOC_s_INFO_FMT "HardResetHandler Entered!\n", ioc->name);
	printk("MF count 0x%x !\n", ioc->mfcnt);
#endif

	/* 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.
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	 * Prevents timeouts occurring during a diagnostic reset...very bad.
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	 * For all other protocol drivers, this is a no-op.
	 */
	{
		int	 ii;
		int	 r = 0;

		for (ii=MPT_MAX_PROTOCOL_DRIVERS-1; ii; ii--) {
			if (MptResetHandlers[ii]) {
6092
				dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Calling IOC reset_setup handler #%d\n",
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6093
						ioc->name, ii));
6094
				r += mpt_signal_reset(ii, ioc, MPT_IOC_SETUP_RESET);
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6095
				if (ioc->alt_ioc) {
6096
					dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Calling alt-%s setup reset handler #%d\n",
L
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6097
							ioc->name, ioc->alt_ioc->name, ii));
6098
					r += mpt_signal_reset(ii, ioc->alt_ioc, MPT_IOC_SETUP_RESET);
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				}
			}
		}
	}

	if ((rc = mpt_do_ioc_recovery(ioc, MPT_HOSTEVENT_IOC_RECOVER, sleepFlag)) != 0) {
		printk(KERN_WARNING MYNAM ": WARNING - (%d) Cannot recover %s\n",
			rc, ioc->name);
	}
	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);

6118
	dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "HardResetHandler rc = %d!\n", ioc->name, rc));
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	return rc;
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
6124 6125
static void
EventDescriptionStr(u8 event, u32 evData0, char *evStr)
L
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{
6127
	char *ds = NULL;
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	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)
6161
			ds = "Loop State(LPE) Change";		/* ??? */
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		else
6163
			ds = "Loop State(LPB) Change";		/* ??? */
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		break;
	case MPI_EVENT_LOGOUT:
		ds = "Logout";
		break;
	case MPI_EVENT_EVENT_CHANGE:
		if (evData0)
6170
			ds = "Events ON";
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		else
6172
			ds = "Events OFF";
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		break;
	case MPI_EVENT_INTEGRATED_RAID:
6175 6176 6177 6178 6179 6180 6181 6182 6183 6184 6185 6186 6187 6188 6189 6190 6191 6192 6193 6194 6195 6196 6197 6198 6199 6200 6201 6202 6203 6204 6205 6206 6207 6208 6209 6210 6211 6212 6213 6214 6215
	{
		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
6216
		break;
6217 6218 6219 6220 6221 6222 6223 6224
		}
		break;
	}
	case MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE:
		ds = "SCSI Device Status Change";
		break;
	case MPI_EVENT_SAS_DEVICE_STATUS_CHANGE:
	{
6225
		u8 id = (u8)(evData0);
6226
		u8 channel = (u8)(evData0 >> 8);
6227 6228 6229
		u8 ReasonCode = (u8)(evData0 >> 16);
		switch (ReasonCode) {
		case MPI_EVENT_SAS_DEV_STAT_RC_ADDED:
6230
			snprintf(evStr, EVENT_DESCR_STR_SZ,
6231 6232
			    "SAS Device Status Change: Added: "
			    "id=%d channel=%d", id, channel);
6233 6234
			break;
		case MPI_EVENT_SAS_DEV_STAT_RC_NOT_RESPONDING:
6235
			snprintf(evStr, EVENT_DESCR_STR_SZ,
6236 6237
			    "SAS Device Status Change: Deleted: "
			    "id=%d channel=%d", id, channel);
6238 6239
			break;
		case MPI_EVENT_SAS_DEV_STAT_RC_SMART_DATA:
6240
			snprintf(evStr, EVENT_DESCR_STR_SZ,
6241 6242
			    "SAS Device Status Change: SMART Data: "
			    "id=%d channel=%d", id, channel);
6243 6244
			break;
		case MPI_EVENT_SAS_DEV_STAT_RC_NO_PERSIST_ADDED:
6245
			snprintf(evStr, EVENT_DESCR_STR_SZ,
6246 6247 6248 6249 6250 6251 6252
			    "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);
6253 6254 6255
			break;
		case MPI_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET:
			snprintf(evStr, EVENT_DESCR_STR_SZ,
6256 6257
			    "SAS Device Status Change: Internal Device "
			    "Reset : id=%d channel=%d", id, channel);
6258 6259 6260
			break;
		case MPI_EVENT_SAS_DEV_STAT_RC_TASK_ABORT_INTERNAL:
			snprintf(evStr, EVENT_DESCR_STR_SZ,
6261 6262
			    "SAS Device Status Change: Internal Task "
			    "Abort : id=%d channel=%d", id, channel);
6263 6264 6265
			break;
		case MPI_EVENT_SAS_DEV_STAT_RC_ABORT_TASK_SET_INTERNAL:
			snprintf(evStr, EVENT_DESCR_STR_SZ,
6266 6267
			    "SAS Device Status Change: Internal Abort "
			    "Task Set : id=%d channel=%d", id, channel);
6268 6269 6270
			break;
		case MPI_EVENT_SAS_DEV_STAT_RC_CLEAR_TASK_SET_INTERNAL:
			snprintf(evStr, EVENT_DESCR_STR_SZ,
6271 6272
			    "SAS Device Status Change: Internal Clear "
			    "Task Set : id=%d channel=%d", id, channel);
6273 6274 6275
			break;
		case MPI_EVENT_SAS_DEV_STAT_RC_QUERY_TASK_INTERNAL:
			snprintf(evStr, EVENT_DESCR_STR_SZ,
6276 6277
			    "SAS Device Status Change: Internal Query "
			    "Task : id=%d channel=%d", id, channel);
6278 6279
			break;
		default:
6280
			snprintf(evStr, EVENT_DESCR_STR_SZ,
6281 6282
			    "SAS Device Status Change: Unknown: "
			    "id=%d channel=%d", id, channel);
6283
			break;
6284 6285 6286 6287 6288 6289 6290
		}
		break;
	}
	case MPI_EVENT_ON_BUS_TIMER_EXPIRED:
		ds = "Bus Timer Expired";
		break;
	case MPI_EVENT_QUEUE_FULL:
6291 6292 6293 6294 6295 6296 6297 6298
	{
		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);
6299
		break;
6300
	}
6301 6302 6303 6304 6305 6306 6307
	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:
6308 6309 6310 6311 6312 6313 6314
	{
		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:
6315 6316
			snprintf(evStr, EVENT_DESCR_STR_SZ,
			   "SAS PHY Link Status: Phy=%d:"
6317 6318 6319
			   " Rate Unknown",PhyNumber);
			break;
		case MPI_EVENT_SAS_PLS_LR_RATE_PHY_DISABLED:
6320 6321
			snprintf(evStr, EVENT_DESCR_STR_SZ,
			   "SAS PHY Link Status: Phy=%d:"
6322 6323 6324
			   " Phy Disabled",PhyNumber);
			break;
		case MPI_EVENT_SAS_PLS_LR_RATE_FAILED_SPEED_NEGOTIATION:
6325 6326
			snprintf(evStr, EVENT_DESCR_STR_SZ,
			   "SAS PHY Link Status: Phy=%d:"
6327 6328 6329
			   " Failed Speed Nego",PhyNumber);
			break;
		case MPI_EVENT_SAS_PLS_LR_RATE_SATA_OOB_COMPLETE:
6330 6331
			snprintf(evStr, EVENT_DESCR_STR_SZ,
			   "SAS PHY Link Status: Phy=%d:"
6332 6333 6334
			   " Sata OOB Completed",PhyNumber);
			break;
		case MPI_EVENT_SAS_PLS_LR_RATE_1_5:
6335 6336
			snprintf(evStr, EVENT_DESCR_STR_SZ,
			   "SAS PHY Link Status: Phy=%d:"
6337 6338 6339
			   " Rate 1.5 Gbps",PhyNumber);
			break;
		case MPI_EVENT_SAS_PLS_LR_RATE_3_0:
6340 6341
			snprintf(evStr, EVENT_DESCR_STR_SZ,
			   "SAS PHY Link Status: Phy=%d:"
6342 6343 6344
			   " Rate 3.0 Gpbs",PhyNumber);
			break;
		default:
6345 6346
			snprintf(evStr, EVENT_DESCR_STR_SZ,
			   "SAS PHY Link Status: Phy=%d", PhyNumber);
6347 6348
			break;
		}
6349
		break;
6350
	}
6351 6352 6353
	case MPI_EVENT_SAS_DISCOVERY_ERROR:
		ds = "SAS Discovery Error";
		break;
6354 6355 6356
	case MPI_EVENT_IR_RESYNC_UPDATE:
	{
		u8 resync_complete = (u8)(evData0 >> 16);
6357 6358
		snprintf(evStr, EVENT_DESCR_STR_SZ,
		    "IR Resync Update: Complete = %d:",resync_complete);
6359 6360 6361 6362 6363 6364 6365 6366 6367 6368 6369 6370 6371 6372 6373 6374 6375 6376 6377 6378 6379 6380 6381 6382 6383 6384 6385 6386 6387 6388 6389 6390 6391 6392 6393 6394 6395 6396 6397 6398 6399 6400 6401 6402
		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;
6403

6404 6405 6406 6407 6408 6409 6410 6411 6412 6413 6414 6415 6416 6417 6418 6419 6420 6421 6422 6423 6424 6425 6426 6427 6428 6429 6430 6431 6432 6433 6434 6435 6436 6437 6438 6439 6440 6441 6442 6443 6444 6445 6446 6447 6448 6449 6450 6451 6452 6453 6454 6455 6456 6457 6458 6459 6460 6461 6462 6463 6464 6465 6466 6467 6468 6469 6470 6471 6472 6473
	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;
	}

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6474 6475 6476 6477 6478 6479 6480
	/*
	 *  MPT base "custom" events may be added here...
	 */
	default:
		ds = "Unknown";
		break;
	}
6481 6482
	if (ds)
		strncpy(evStr, ds, EVENT_DESCR_STR_SZ);
L
Linus Torvalds 已提交
6483 6484 6485
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
6486 6487
/**
 *	ProcessEventNotification - Route EventNotificationReply to all event handlers
L
Linus Torvalds 已提交
6488 6489 6490 6491
 *	@ioc: Pointer to MPT_ADAPTER structure
 *	@pEventReply: Pointer to EventNotification reply frame
 *	@evHandlers: Pointer to integer, number of event handlers
 *
6492 6493
 *	Routes a received EventNotificationReply to all currently registered
 *	event handlers.
L
Linus Torvalds 已提交
6494 6495 6496 6497 6498 6499 6500 6501 6502 6503 6504
 *	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;
	int r = 0;
	int handlers = 0;
6505
	char evStr[EVENT_DESCR_STR_SZ];
L
Linus Torvalds 已提交
6506 6507 6508 6509 6510 6511 6512 6513 6514 6515 6516 6517
	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]);
	}

6518
	EventDescriptionStr(event, evData0, evStr);
6519
	devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "MPT event:(%02Xh) : %s\n",
L
Linus Torvalds 已提交
6520
			ioc->name,
6521 6522
			event,
			evStr));
L
Linus Torvalds 已提交
6523

6524 6525 6526
#ifdef CONFIG_FUSION_LOGGING
	devtverboseprintk(ioc, printk(KERN_DEBUG MYNAM
	    ": Event data:\n"));
L
Linus Torvalds 已提交
6527
	for (ii = 0; ii < evDataLen; ii++)
6528 6529 6530
		devtverboseprintk(ioc, printk(" %08x",
		    le32_to_cpu(pEventReply->Data[ii])));
	devtverboseprintk(ioc, printk(KERN_DEBUG "\n"));
L
Linus Torvalds 已提交
6531 6532 6533 6534 6535 6536 6537 6538 6539 6540 6541 6542 6543 6544 6545 6546 6547 6548
#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;
6549 6550 6551 6552
	case MPI_EVENT_INTEGRATED_RAID:
		mptbase_raid_process_event_data(ioc,
		    (MpiEventDataRaid_t *)pEventReply->Data);
		break;
6553 6554
	default:
		break;
L
Linus Torvalds 已提交
6555 6556 6557 6558 6559 6560 6561 6562 6563
	}

	/*
	 * 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;

6564
		idx = ioc->eventContext % MPTCTL_EVENT_LOG_SIZE;
L
Linus Torvalds 已提交
6565 6566 6567 6568 6569 6570 6571 6572 6573 6574 6575 6576 6577 6578 6579 6580 6581 6582 6583 6584

		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.
	 */
	for (ii=MPT_MAX_PROTOCOL_DRIVERS-1; ii; ii--) {
		if (MptEvHandlers[ii]) {
6585
			devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Routing Event to event handler #%d\n",
L
Linus Torvalds 已提交
6586 6587 6588 6589 6590 6591 6592 6593 6594 6595 6596
					ioc->name, ii));
			r += (*(MptEvHandlers[ii]))(ioc, pEventReply);
			handlers++;
		}
	}
	/* FIXME?  Examine results here? */

	/*
	 *  If needed, send (a single) EventAck.
	 */
	if (pEventReply->AckRequired == MPI_EVENT_NOTIFICATION_ACK_REQUIRED) {
6597
		devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
6598
			"EventAck required\n",ioc->name));
L
Linus Torvalds 已提交
6599
		if ((ii = SendEventAck(ioc, pEventReply)) != 0) {
6600
			devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT "SendEventAck returned %d\n",
L
Linus Torvalds 已提交
6601 6602 6603 6604 6605 6606 6607 6608 6609
					ioc->name, ii));
		}
	}

	*evHandlers = handlers;
	return r;
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
6610
/**
L
Linus Torvalds 已提交
6611 6612 6613 6614
 *	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
 *
6615
 *	Refer to lsi/mpi_log_fc.h.
L
Linus Torvalds 已提交
6616 6617 6618 6619
 */
static void
mpt_fc_log_info(MPT_ADAPTER *ioc, u32 log_info)
{
6620 6621 6622 6623 6624 6625 6626 6627 6628 6629 6630 6631 6632 6633 6634 6635 6636 6637 6638 6639 6640 6641 6642 6643 6644 6645 6646 6647 6648 6649 6650
	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));
L
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6651 6652 6653
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
6654
/**
6655
 *	mpt_spi_log_info - Log information returned from SCSI Parallel IOC.
L
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6656 6657 6658 6659 6660 6661 6662
 *	@ioc: Pointer to MPT_ADAPTER structure
 *	@mr: Pointer to MPT reply frame
 *	@log_info: U32 LogInfo word from the IOC
 *
 *	Refer to lsi/sp_log.h.
 */
static void
6663
mpt_spi_log_info(MPT_ADAPTER *ioc, u32 log_info)
L
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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 6692 6693 6694 6695 6696 6697 6698 6699 6700 6701
{
	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;
6702

L
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6703 6704 6705 6706 6707 6708 6709 6710 6711 6712 6713 6714 6715 6716 6717
	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;
6718

L
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6719 6720 6721 6722 6723
	}

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

6724 6725 6726 6727 6728 6729 6730 6731 6732 6733 6734
/* 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 */
6735 6736 6737 6738
		"Diag Message Error",				/* 04h */
		"Task Terminated",				/* 05h */
		"Enclosure Management",				/* 06h */
		"Target Mode"					/* 07h */
6739 6740 6741 6742 6743 6744 6745 6746 6747 6748 6749 6750 6751 6752 6753 6754 6755 6756 6757 6758 6759 6760 6761
	};
	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 */
6762 6763
		"Persistent Reservation Out Not Affiliation "
		    "Owner", 					/* 15h */
6764
		"Open Transmit DMA Abort",			/* 16h */
6765
		"IO Device Missing Delay Retry",		/* 17h */
6766
		"IO Cancelled Due to Recieve Error",		/* 18h */
6767 6768 6769 6770 6771 6772 6773 6774 6775
		NULL,						/* 19h */
		NULL,						/* 1Ah */
		NULL,						/* 1Bh */
		NULL,						/* 1Ch */
		NULL,						/* 1Dh */
		NULL,						/* 1Eh */
		NULL,						/* 1Fh */
		"Enclosure Management"				/* 20h */
	};
6776 6777 6778 6779 6780 6781 6782 6783 6784 6785 6786 6787 6788 6789 6790 6791 6792 6793 6794 6795 6796 6797 6798 6799 6800 6801 6802 6803 6804 6805 6806 6807 6808 6809 6810 6811 6812 6813 6814 6815 6816 6817 6818 6819 6820 6821 6822 6823 6824 6825 6826 6827 6828 6829 6830 6831 6832 6833 6834 6835 6836 6837 6838 6839 6840 6841 6842 6843 6844 6845 6846 6847 6848 6849 6850 6851 6852 6853 6854 6855 6856 6857 6858 6859 6860 6861 6862 6863 6864 6865
	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 */
	};
6866 6867

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
6868
/**
6869 6870 6871 6872 6873
 *	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.
6874
 **/
6875 6876 6877 6878 6879 6880 6881 6882 6883 6884 6885 6886 6887
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;
6888
	char *originator_desc = NULL;
6889
	char *code_desc = NULL;
6890
	char *sub_code_desc = NULL;
6891 6892 6893 6894 6895

	sas_loginfo.loginfo = log_info;
	if ((sas_loginfo.dw.bus_type != 3 /*SAS*/) &&
	    (sas_loginfo.dw.originator < sizeof(originator_str)/sizeof(char*)))
		return;
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

	originator_desc = originator_str[sas_loginfo.dw.originator];

	switch (sas_loginfo.dw.originator) {

		case 0:  /* IOP */
			if (sas_loginfo.dw.code <
			    sizeof(iop_code_str)/sizeof(char*))
				code_desc = iop_code_str[sas_loginfo.dw.code];
			break;
		case 1:  /* PL */
			if (sas_loginfo.dw.code <
			    sizeof(pl_code_str)/sizeof(char*))
				code_desc = pl_code_str[sas_loginfo.dw.code];
			break;
		case 2:  /* IR */
			if (sas_loginfo.dw.code >=
			    sizeof(ir_code_str)/sizeof(char*))
				break;
			code_desc = ir_code_str[sas_loginfo.dw.code];
			if (sas_loginfo.dw.subcode >=
			    sizeof(raid_sub_code_str)/sizeof(char*))
			break;
			if (sas_loginfo.dw.code == 0)
				sub_code_desc =
				    raid_sub_code_str[sas_loginfo.dw.subcode];
			break;
		default:
			return;
6925 6926
	}

6927 6928 6929 6930 6931 6932 6933
	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)
6934 6935 6936
		printk(MYIOC_s_INFO_FMT
			"LogInfo(0x%08x): Originator={%s}, Code={%s},"
			" SubCode(0x%04x)\n",
6937
			ioc->name, log_info, originator_desc, code_desc,
6938 6939 6940 6941 6942
			sas_loginfo.dw.subcode);
	else
		printk(MYIOC_s_INFO_FMT
			"LogInfo(0x%08x): Originator={%s}, Code=(0x%02x),"
			" SubCode(0x%04x)\n",
6943 6944
			ioc->name, log_info, originator_desc,
			sas_loginfo.dw.code, sas_loginfo.dw.subcode);
6945 6946
}

L
Linus Torvalds 已提交
6947
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
6948
/**
6949 6950
 *	mpt_iocstatus_info_config - IOCSTATUS information for config pages
 *	@ioc: Pointer to MPT_ADAPTER structure
6951
 *	@ioc_status: U32 IOCStatus word from IOC
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 7005 7006 7007 7008 7009 7010 7011 7012 7013 7014 7015 7016 7017 7018 7019 7020 7021 7022 7023 7024 7025 7026 7027
 *	@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;

	printk(MYIOC_s_INFO_FMT "IOCStatus(0x%04X): %s: %s\n",
	    ioc->name, ioc_status, desc, extend_desc);
}

/**
 *	mpt_iocstatus_info - IOCSTATUS information returned from IOC.
L
Linus Torvalds 已提交
7028 7029 7030 7031 7032
 *	@ioc: Pointer to MPT_ADAPTER structure
 *	@ioc_status: U32 IOCStatus word from IOC
 *	@mf: Pointer to MPT request frame
 *
 *	Refer to lsi/mpi.h.
7033
 **/
L
Linus Torvalds 已提交
7034
static void
7035
mpt_iocstatus_info(MPT_ADAPTER *ioc, u32 ioc_status, MPT_FRAME_HDR *mf)
L
Linus Torvalds 已提交
7036 7037
{
	u32 status = ioc_status & MPI_IOCSTATUS_MASK;
7038
	char *desc = NULL;
L
Linus Torvalds 已提交
7039 7040

	switch (status) {
7041 7042 7043 7044 7045

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

L
Linus Torvalds 已提交
7046 7047 7048 7049 7050 7051 7052 7053 7054 7055 7056 7057 7058 7059 7060 7061 7062 7063 7064 7065 7066 7067 7068 7069 7070 7071 7072 7073 7074 7075 7076 7077
	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;

7078 7079 7080 7081
/****************************************************************************/
/*  Config IOCStatus values                                                 */
/****************************************************************************/

L
Linus Torvalds 已提交
7082 7083 7084 7085 7086 7087
	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 */
7088
		mpt_iocstatus_info_config(ioc, status, mf);
L
Linus Torvalds 已提交
7089 7090
		break;

7091 7092 7093 7094 7095 7096 7097
/****************************************************************************/
/*  SCSIIO Reply (SPI, FCP, SAS) initiator values                           */
/*                                                                          */
/*  Look at mptscsih_iocstatus_info_scsiio in mptscsih.c */
/*                                                                          */
/****************************************************************************/

L
Linus Torvalds 已提交
7098
	case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: /* 0x0040 */
7099 7100 7101 7102 7103 7104 7105 7106 7107 7108 7109 7110
	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 */
L
Linus Torvalds 已提交
7111 7112
		break;

7113 7114 7115 7116 7117 7118
/****************************************************************************/
/*  SCSI Target values                                                      */
/****************************************************************************/

	case MPI_IOCSTATUS_TARGET_PRIORITY_IO: /* 0x0060 */
		desc = "Target: Priority IO";
L
Linus Torvalds 已提交
7119 7120
		break;

7121 7122
	case MPI_IOCSTATUS_TARGET_INVALID_PORT: /* 0x0061 */
		desc = "Target: Invalid Port";
L
Linus Torvalds 已提交
7123 7124
		break;

7125 7126
	case MPI_IOCSTATUS_TARGET_INVALID_IO_INDEX: /* 0x0062 */
		desc = "Target Invalid IO Index:";
L
Linus Torvalds 已提交
7127 7128
		break;

7129 7130
	case MPI_IOCSTATUS_TARGET_ABORTED: /* 0x0063 */
		desc = "Target: Aborted";
L
Linus Torvalds 已提交
7131 7132
		break;

7133 7134
	case MPI_IOCSTATUS_TARGET_NO_CONN_RETRYABLE: /* 0x0064 */
		desc = "Target: No Conn Retryable";
L
Linus Torvalds 已提交
7135 7136
		break;

7137 7138
	case MPI_IOCSTATUS_TARGET_NO_CONNECTION: /* 0x0065 */
		desc = "Target: No Connection";
L
Linus Torvalds 已提交
7139 7140
		break;

7141 7142
	case MPI_IOCSTATUS_TARGET_XFER_COUNT_MISMATCH: /* 0x006A */
		desc = "Target: Transfer Count Mismatch";
L
Linus Torvalds 已提交
7143 7144
		break;

7145 7146
	case MPI_IOCSTATUS_TARGET_STS_DATA_NOT_SENT: /* 0x006B */
		desc = "Target: STS Data not Sent";
L
Linus Torvalds 已提交
7147 7148
		break;

7149 7150
	case MPI_IOCSTATUS_TARGET_DATA_OFFSET_ERROR: /* 0x006D */
		desc = "Target: Data Offset Error";
L
Linus Torvalds 已提交
7151 7152
		break;

7153 7154
	case MPI_IOCSTATUS_TARGET_TOO_MUCH_WRITE_DATA: /* 0x006E */
		desc = "Target: Too Much Write Data";
L
Linus Torvalds 已提交
7155 7156
		break;

7157 7158
	case MPI_IOCSTATUS_TARGET_IU_TOO_SHORT: /* 0x006F */
		desc = "Target: IU Too Short";
L
Linus Torvalds 已提交
7159 7160
		break;

7161 7162 7163 7164 7165 7166 7167 7168 7169 7170 7171 7172 7173 7174 7175 7176 7177 7178 7179 7180 7181 7182 7183 7184 7185 7186 7187 7188 7189 7190 7191 7192 7193 7194 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 7233 7234 7235 7236 7237 7238
	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";
L
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7239 7240 7241 7242 7243 7244
		break;

	default:
		desc = "Others";
		break;
	}
7245 7246 7247 7248 7249

	if (!desc)
		return;

	printk(MYIOC_s_INFO_FMT "IOCStatus(0x%04X): %s\n", ioc->name, status, desc);
L
Linus Torvalds 已提交
7250 7251 7252
}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
7253 7254 7255 7256 7257 7258
EXPORT_SYMBOL(mpt_attach);
EXPORT_SYMBOL(mpt_detach);
#ifdef CONFIG_PM
EXPORT_SYMBOL(mpt_resume);
EXPORT_SYMBOL(mpt_suspend);
#endif
L
Linus Torvalds 已提交
7259
EXPORT_SYMBOL(ioc_list);
7260
EXPORT_SYMBOL(mpt_proc_root_dir);
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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);
EXPORT_SYMBOL(mpt_free_msg_frame);
EXPORT_SYMBOL(mpt_add_sge);
EXPORT_SYMBOL(mpt_send_handshake_request);
EXPORT_SYMBOL(mpt_verify_adapter);
EXPORT_SYMBOL(mpt_GetIocState);
EXPORT_SYMBOL(mpt_print_ioc_summary);
EXPORT_SYMBOL(mpt_lan_index);
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EXPORT_SYMBOL(mpt_stm_index);
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EXPORT_SYMBOL(mpt_HardResetHandler);
EXPORT_SYMBOL(mpt_config);
EXPORT_SYMBOL(mpt_findImVolumes);
EXPORT_SYMBOL(mpt_alloc_fw_memory);
EXPORT_SYMBOL(mpt_free_fw_memory);
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EXPORT_SYMBOL(mptbase_sas_persist_operation);
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EXPORT_SYMBOL(mpt_raid_phys_disk_pg0);
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/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
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/**
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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)
{
	int i;

	show_mptmod_ver(my_NAME, my_VERSION);
	printk(KERN_INFO COPYRIGHT "\n");

	for (i = 0; i < MPT_MAX_PROTOCOL_DRIVERS; i++) {
		MptCallbacks[i] = NULL;
		MptDriverClass[i] = MPTUNKNOWN_DRIVER;
		MptEvHandlers[i] = NULL;
		MptResetHandlers[i] = NULL;
	}

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	/*  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.
	 */
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	mpt_reset_register(mpt_base_index, mpt_ioc_reset);
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#ifdef CONFIG_PROC_FS
	(void) procmpt_create();
#endif
7320
	return 0;
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}

/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
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/**
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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);