qla_os.c 188.5 KB
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/*
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 * QLogic Fibre Channel HBA Driver
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 * Copyright (c)  2003-2014 QLogic Corporation
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 *
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 * See LICENSE.qla2xxx for copyright and licensing details.
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 */
#include "qla_def.h"

#include <linux/moduleparam.h>
#include <linux/vmalloc.h>
#include <linux/delay.h>
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#include <linux/kthread.h>
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#include <linux/mutex.h>
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#include <linux/kobject.h>
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#include <linux/slab.h>
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#include <linux/blk-mq-pci.h>
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#include <scsi/scsi_tcq.h>
#include <scsi/scsicam.h>
#include <scsi/scsi_transport.h>
#include <scsi/scsi_transport_fc.h>

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#include "qla_target.h"

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/*
 * Driver version
 */
char qla2x00_version_str[40];

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static int apidev_major;

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/*
 * SRB allocation cache
 */
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struct kmem_cache *srb_cachep;
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/*
 * CT6 CTX allocation cache
 */
static struct kmem_cache *ctx_cachep;
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/*
 * error level for logging
 */
int ql_errlev = ql_log_all;
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static int ql2xenableclass2;
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module_param(ql2xenableclass2, int, S_IRUGO|S_IRUSR);
MODULE_PARM_DESC(ql2xenableclass2,
		"Specify if Class 2 operations are supported from the very "
		"beginning. Default is 0 - class 2 not supported.");

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int ql2xlogintimeout = 20;
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module_param(ql2xlogintimeout, int, S_IRUGO);
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MODULE_PARM_DESC(ql2xlogintimeout,
		"Login timeout value in seconds.");

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int qlport_down_retry;
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module_param(qlport_down_retry, int, S_IRUGO);
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MODULE_PARM_DESC(qlport_down_retry,
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		"Maximum number of command retries to a port that returns "
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		"a PORT-DOWN status.");

int ql2xplogiabsentdevice;
module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(ql2xplogiabsentdevice,
		"Option to enable PLOGI to devices that are not present after "
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		"a Fabric scan.  This is needed for several broken switches. "
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		"Default is 0 - no PLOGI. 1 - perfom PLOGI.");

int ql2xloginretrycount = 0;
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module_param(ql2xloginretrycount, int, S_IRUGO);
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MODULE_PARM_DESC(ql2xloginretrycount,
		"Specify an alternate value for the NVRAM login retry count.");

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int ql2xallocfwdump = 1;
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module_param(ql2xallocfwdump, int, S_IRUGO);
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MODULE_PARM_DESC(ql2xallocfwdump,
		"Option to enable allocation of memory for a firmware dump "
		"during HBA initialization.  Memory allocation requirements "
		"vary by ISP type.  Default is 1 - allocate memory.");

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int ql2xextended_error_logging;
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module_param(ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
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module_param_named(logging, ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
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MODULE_PARM_DESC(ql2xextended_error_logging,
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		"Option to enable extended error logging,\n"
		"\t\tDefault is 0 - no logging.  0x40000000 - Module Init & Probe.\n"
		"\t\t0x20000000 - Mailbox Cmnds. 0x10000000 - Device Discovery.\n"
		"\t\t0x08000000 - IO tracing.    0x04000000 - DPC Thread.\n"
		"\t\t0x02000000 - Async events.  0x01000000 - Timer routines.\n"
		"\t\t0x00800000 - User space.    0x00400000 - Task Management.\n"
		"\t\t0x00200000 - AER/EEH.       0x00100000 - Multi Q.\n"
		"\t\t0x00080000 - P3P Specific.  0x00040000 - Virtual Port.\n"
		"\t\t0x00020000 - Buffer Dump.   0x00010000 - Misc.\n"
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		"\t\t0x00008000 - Verbose.       0x00004000 - Target.\n"
		"\t\t0x00002000 - Target Mgmt.   0x00001000 - Target TMF.\n"
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		"\t\t0x7fffffff - For enabling all logs, can be too many logs.\n"
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		"\t\t0x1e400000 - Preferred value for capturing essential "
		"debug information (equivalent to old "
		"ql2xextended_error_logging=1).\n"
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		"\t\tDo LOGICAL OR of the value to enable more than one level");
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int ql2xshiftctondsd = 6;
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module_param(ql2xshiftctondsd, int, S_IRUGO);
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MODULE_PARM_DESC(ql2xshiftctondsd,
		"Set to control shifting of command type processing "
		"based on total number of SG elements.");

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int ql2xfdmienable=1;
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module_param(ql2xfdmienable, int, S_IRUGO|S_IWUSR);
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module_param_named(fdmi, ql2xfdmienable, int, S_IRUGO|S_IWUSR);
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MODULE_PARM_DESC(ql2xfdmienable,
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		"Enables FDMI registrations. "
		"0 - no FDMI. Default is 1 - perform FDMI.");
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#define MAX_Q_DEPTH	64
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static int ql2xmaxqdepth = MAX_Q_DEPTH;
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module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(ql2xmaxqdepth,
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		"Maximum queue depth to set for each LUN. "
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		"Default is 64.");
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#if (IS_ENABLED(CONFIG_NVME_FC))
int ql2xenabledif;
#else
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int ql2xenabledif = 2;
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#endif
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module_param(ql2xenabledif, int, S_IRUGO);
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MODULE_PARM_DESC(ql2xenabledif,
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		" Enable T10-CRC-DIF:\n"
		" Default is 2.\n"
		"  0 -- No DIF Support\n"
		"  1 -- Enable DIF for all types\n"
		"  2 -- Enable DIF for all types, except Type 0.\n");
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#if (IS_ENABLED(CONFIG_NVME_FC))
int ql2xnvmeenable = 1;
#else
int ql2xnvmeenable;
#endif
module_param(ql2xnvmeenable, int, 0644);
MODULE_PARM_DESC(ql2xnvmeenable,
    "Enables NVME support. "
    "0 - no NVMe.  Default is Y");

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int ql2xenablehba_err_chk = 2;
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module_param(ql2xenablehba_err_chk, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(ql2xenablehba_err_chk,
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		" Enable T10-CRC-DIF Error isolation by HBA:\n"
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		" Default is 2.\n"
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		"  0 -- Error isolation disabled\n"
		"  1 -- Error isolation enabled only for DIX Type 0\n"
		"  2 -- Error isolation enabled for all Types\n");
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int ql2xiidmaenable=1;
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module_param(ql2xiidmaenable, int, S_IRUGO);
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MODULE_PARM_DESC(ql2xiidmaenable,
		"Enables iIDMA settings "
		"Default is 1 - perform iIDMA. 0 - no iIDMA.");

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int ql2xmqsupport = 1;
module_param(ql2xmqsupport, int, S_IRUGO);
MODULE_PARM_DESC(ql2xmqsupport,
		"Enable on demand multiple queue pairs support "
		"Default is 1 for supported. "
		"Set it to 0 to turn off mq qpair support.");
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int ql2xfwloadbin;
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module_param(ql2xfwloadbin, int, S_IRUGO|S_IWUSR);
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module_param_named(fwload, ql2xfwloadbin, int, S_IRUGO|S_IWUSR);
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MODULE_PARM_DESC(ql2xfwloadbin,
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		"Option to specify location from which to load ISP firmware:.\n"
		" 2 -- load firmware via the request_firmware() (hotplug).\n"
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		"      interface.\n"
		" 1 -- load firmware from flash.\n"
		" 0 -- use default semantics.\n");

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int ql2xetsenable;
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module_param(ql2xetsenable, int, S_IRUGO);
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MODULE_PARM_DESC(ql2xetsenable,
		"Enables firmware ETS burst."
		"Default is 0 - skip ETS enablement.");

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int ql2xdbwr = 1;
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module_param(ql2xdbwr, int, S_IRUGO|S_IWUSR);
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MODULE_PARM_DESC(ql2xdbwr,
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		"Option to specify scheme for request queue posting.\n"
		" 0 -- Regular doorbell.\n"
		" 1 -- CAMRAM doorbell (faster).\n");
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int ql2xtargetreset = 1;
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module_param(ql2xtargetreset, int, S_IRUGO);
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MODULE_PARM_DESC(ql2xtargetreset,
		 "Enable target reset."
		 "Default is 1 - use hw defaults.");

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int ql2xgffidenable;
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module_param(ql2xgffidenable, int, S_IRUGO);
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MODULE_PARM_DESC(ql2xgffidenable,
		"Enables GFF_ID checks of port type. "
		"Default is 0 - Do not use GFF_ID information.");
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int ql2xasynctmfenable = 1;
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module_param(ql2xasynctmfenable, int, S_IRUGO);
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MODULE_PARM_DESC(ql2xasynctmfenable,
		"Enables issue of TM IOCBs asynchronously via IOCB mechanism"
		"Default is 0 - Issue TM IOCBs via mailbox mechanism.");
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int ql2xdontresethba;
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module_param(ql2xdontresethba, int, S_IRUGO|S_IWUSR);
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MODULE_PARM_DESC(ql2xdontresethba,
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		"Option to specify reset behaviour.\n"
		" 0 (Default) -- Reset on failure.\n"
		" 1 -- Do not reset on failure.\n");
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uint64_t ql2xmaxlun = MAX_LUNS;
module_param(ql2xmaxlun, ullong, S_IRUGO);
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MODULE_PARM_DESC(ql2xmaxlun,
		"Defines the maximum LU number to register with the SCSI "
		"midlayer. Default is 65535.");

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int ql2xmdcapmask = 0x1F;
module_param(ql2xmdcapmask, int, S_IRUGO);
MODULE_PARM_DESC(ql2xmdcapmask,
		"Set the Minidump driver capture mask level. "
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		"Default is 0x1F - Can be set to 0x3, 0x7, 0xF, 0x1F, 0x7F.");
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int ql2xmdenable = 1;
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module_param(ql2xmdenable, int, S_IRUGO);
MODULE_PARM_DESC(ql2xmdenable,
		"Enable/disable MiniDump. "
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		"0 - MiniDump disabled. "
		"1 (Default) - MiniDump enabled.");
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int ql2xexlogins = 0;
module_param(ql2xexlogins, uint, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(ql2xexlogins,
		 "Number of extended Logins. "
		 "0 (Default)- Disabled.");

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int ql2xexchoffld = 1024;
module_param(ql2xexchoffld, uint, 0644);
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MODULE_PARM_DESC(ql2xexchoffld,
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	"Number of target exchanges.");

int ql2xiniexchg = 1024;
module_param(ql2xiniexchg, uint, 0644);
MODULE_PARM_DESC(ql2xiniexchg,
	"Number of initiator exchanges.");
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int ql2xfwholdabts = 0;
module_param(ql2xfwholdabts, int, S_IRUGO);
MODULE_PARM_DESC(ql2xfwholdabts,
		"Allow FW to hold status IOCB until ABTS rsp received. "
		"0 (Default) Do not set fw option. "
		"1 - Set fw option to hold ABTS.");

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int ql2xmvasynctoatio = 1;
module_param(ql2xmvasynctoatio, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(ql2xmvasynctoatio,
		"Move PUREX, ABTS RX and RIDA IOCBs to ATIOQ"
		"0 (Default). Do not move IOCBs"
		"1 - Move IOCBs.");

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int ql2xautodetectsfp = 1;
module_param(ql2xautodetectsfp, int, 0444);
MODULE_PARM_DESC(ql2xautodetectsfp,
		 "Detect SFP range and set appropriate distance.\n"
		 "1 (Default): Enable\n");

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int ql2xenablemsix = 1;
module_param(ql2xenablemsix, int, 0444);
MODULE_PARM_DESC(ql2xenablemsix,
		 "Set to enable MSI or MSI-X interrupt mechanism.\n"
		 " Default is 1, enable MSI-X interrupt mechanism.\n"
		 " 0 -- enable traditional pin-based mechanism.\n"
		 " 1 -- enable MSI-X interrupt mechanism.\n"
		 " 2 -- enable MSI interrupt mechanism.\n");

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int qla2xuseresexchforels;
module_param(qla2xuseresexchforels, int, 0444);
MODULE_PARM_DESC(qla2xuseresexchforels,
		 "Reserve 1/2 of emergency exchanges for ELS.\n"
		 " 0 (default): disabled");

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/*
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 * SCSI host template entry points
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 */
static int qla2xxx_slave_configure(struct scsi_device * device);
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static int qla2xxx_slave_alloc(struct scsi_device *);
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static int qla2xxx_scan_finished(struct Scsi_Host *, unsigned long time);
static void qla2xxx_scan_start(struct Scsi_Host *);
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static void qla2xxx_slave_destroy(struct scsi_device *);
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static int qla2xxx_queuecommand(struct Scsi_Host *h, struct scsi_cmnd *cmd);
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static int qla2xxx_eh_abort(struct scsi_cmnd *);
static int qla2xxx_eh_device_reset(struct scsi_cmnd *);
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static int qla2xxx_eh_target_reset(struct scsi_cmnd *);
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static int qla2xxx_eh_bus_reset(struct scsi_cmnd *);
static int qla2xxx_eh_host_reset(struct scsi_cmnd *);

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static void qla2x00_clear_drv_active(struct qla_hw_data *);
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static void qla2x00_free_device(scsi_qla_host_t *);
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static int qla2xxx_map_queues(struct Scsi_Host *shost);
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static void qla2x00_destroy_deferred_work(struct qla_hw_data *);
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struct scsi_host_template qla2xxx_driver_template = {
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	.module			= THIS_MODULE,
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	.name			= QLA2XXX_DRIVER_NAME,
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	.queuecommand		= qla2xxx_queuecommand,
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	.eh_timed_out		= fc_eh_timed_out,
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	.eh_abort_handler	= qla2xxx_eh_abort,
	.eh_device_reset_handler = qla2xxx_eh_device_reset,
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	.eh_target_reset_handler = qla2xxx_eh_target_reset,
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	.eh_bus_reset_handler	= qla2xxx_eh_bus_reset,
	.eh_host_reset_handler	= qla2xxx_eh_host_reset,

	.slave_configure	= qla2xxx_slave_configure,

	.slave_alloc		= qla2xxx_slave_alloc,
	.slave_destroy		= qla2xxx_slave_destroy,
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	.scan_finished		= qla2xxx_scan_finished,
	.scan_start		= qla2xxx_scan_start,
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	.change_queue_depth	= scsi_change_queue_depth,
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	.map_queues             = qla2xxx_map_queues,
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	.this_id		= -1,
	.cmd_per_lun		= 3,
	.use_clustering		= ENABLE_CLUSTERING,
	.sg_tablesize		= SG_ALL,

	.max_sectors		= 0xFFFF,
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	.shost_attrs		= qla2x00_host_attrs,
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	.supported_mode		= MODE_INITIATOR,
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	.track_queue_depth	= 1,
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};

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static struct scsi_transport_template *qla2xxx_transport_template = NULL;
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struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
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/* TODO Convert to inlines
 *
 * Timer routines
 */

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__inline__ void
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qla2x00_start_timer(scsi_qla_host_t *vha, unsigned long interval)
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{
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	timer_setup(&vha->timer, qla2x00_timer, 0);
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	vha->timer.expires = jiffies + interval * HZ;
	add_timer(&vha->timer);
	vha->timer_active = 1;
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}

static inline void
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qla2x00_restart_timer(scsi_qla_host_t *vha, unsigned long interval)
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{
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	/* Currently used for 82XX only. */
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	if (vha->device_flags & DFLG_DEV_FAILED) {
		ql_dbg(ql_dbg_timer, vha, 0x600d,
		    "Device in a failed state, returning.\n");
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		return;
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	}
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	mod_timer(&vha->timer, jiffies + interval * HZ);
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}

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static __inline__ void
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qla2x00_stop_timer(scsi_qla_host_t *vha)
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{
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	del_timer_sync(&vha->timer);
	vha->timer_active = 0;
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}

static int qla2x00_do_dpc(void *data);

static void qla2x00_rst_aen(scsi_qla_host_t *);

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static int qla2x00_mem_alloc(struct qla_hw_data *, uint16_t, uint16_t,
	struct req_que **, struct rsp_que **);
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static void qla2x00_free_fw_dump(struct qla_hw_data *);
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static void qla2x00_mem_free(struct qla_hw_data *);
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int qla2xxx_mqueuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd,
	struct qla_qpair *qpair);
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/* -------------------------------------------------------------------------- */
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static void qla_init_base_qpair(struct scsi_qla_host *vha, struct req_que *req,
    struct rsp_que *rsp)
{
	struct qla_hw_data *ha = vha->hw;
	rsp->qpair = ha->base_qpair;
	rsp->req = req;
	ha->base_qpair->req = req;
	ha->base_qpair->rsp = rsp;
	ha->base_qpair->vha = vha;
	ha->base_qpair->qp_lock_ptr = &ha->hardware_lock;
	ha->base_qpair->use_shadow_reg = IS_SHADOW_REG_CAPABLE(ha) ? 1 : 0;
	ha->base_qpair->msix = &ha->msix_entries[QLA_MSIX_RSP_Q];
	INIT_LIST_HEAD(&ha->base_qpair->hints_list);
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	INIT_LIST_HEAD(&ha->base_qpair->nvme_done_list);
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	ha->base_qpair->enable_class_2 = ql2xenableclass2;
	/* init qpair to this cpu. Will adjust at run time. */
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	qla_cpu_update(rsp->qpair, raw_smp_processor_id());
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	ha->base_qpair->pdev = ha->pdev;

	if (IS_QLA27XX(ha) || IS_QLA83XX(ha))
		ha->base_qpair->reqq_start_iocbs = qla_83xx_start_iocbs;
}

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static int qla2x00_alloc_queues(struct qla_hw_data *ha, struct req_que *req,
				struct rsp_que *rsp)
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{
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	scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
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	ha->req_q_map = kzalloc(sizeof(struct req_que *) * ha->max_req_queues,
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				GFP_KERNEL);
	if (!ha->req_q_map) {
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		ql_log(ql_log_fatal, vha, 0x003b,
		    "Unable to allocate memory for request queue ptrs.\n");
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		goto fail_req_map;
	}

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	ha->rsp_q_map = kzalloc(sizeof(struct rsp_que *) * ha->max_rsp_queues,
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				GFP_KERNEL);
	if (!ha->rsp_q_map) {
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		ql_log(ql_log_fatal, vha, 0x003c,
		    "Unable to allocate memory for response queue ptrs.\n");
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		goto fail_rsp_map;
	}
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	ha->base_qpair = kzalloc(sizeof(struct qla_qpair), GFP_KERNEL);
	if (ha->base_qpair == NULL) {
		ql_log(ql_log_warn, vha, 0x00e0,
		    "Failed to allocate base queue pair memory.\n");
		goto fail_base_qpair;
	}

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	qla_init_base_qpair(vha, req, rsp);
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	if ((ql2xmqsupport || ql2xnvmeenable) && ha->max_qpairs) {
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		ha->queue_pair_map = kcalloc(ha->max_qpairs, sizeof(struct qla_qpair *),
			GFP_KERNEL);
		if (!ha->queue_pair_map) {
			ql_log(ql_log_fatal, vha, 0x0180,
			    "Unable to allocate memory for queue pair ptrs.\n");
			goto fail_qpair_map;
		}
	}

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	/*
	 * Make sure we record at least the request and response queue zero in
	 * case we need to free them if part of the probe fails.
	 */
	ha->rsp_q_map[0] = rsp;
	ha->req_q_map[0] = req;
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	set_bit(0, ha->rsp_qid_map);
	set_bit(0, ha->req_qid_map);
	return 1;

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fail_qpair_map:
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	kfree(ha->base_qpair);
	ha->base_qpair = NULL;
fail_base_qpair:
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	kfree(ha->rsp_q_map);
	ha->rsp_q_map = NULL;
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fail_rsp_map:
	kfree(ha->req_q_map);
	ha->req_q_map = NULL;
fail_req_map:
	return -ENOMEM;
}

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static void qla2x00_free_req_que(struct qla_hw_data *ha, struct req_que *req)
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{
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	if (IS_QLAFX00(ha)) {
		if (req && req->ring_fx00)
			dma_free_coherent(&ha->pdev->dev,
			    (req->length_fx00 + 1) * sizeof(request_t),
			    req->ring_fx00, req->dma_fx00);
	} else if (req && req->ring)
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		dma_free_coherent(&ha->pdev->dev,
		(req->length + 1) * sizeof(request_t),
		req->ring, req->dma);

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	if (req)
		kfree(req->outstanding_cmds);

487 488 489
	kfree(req);
}

490 491
static void qla2x00_free_rsp_que(struct qla_hw_data *ha, struct rsp_que *rsp)
{
492 493 494 495 496 497
	if (IS_QLAFX00(ha)) {
		if (rsp && rsp->ring)
			dma_free_coherent(&ha->pdev->dev,
			    (rsp->length_fx00 + 1) * sizeof(request_t),
			    rsp->ring_fx00, rsp->dma_fx00);
	} else if (rsp && rsp->ring) {
498 499 500
		dma_free_coherent(&ha->pdev->dev,
		(rsp->length + 1) * sizeof(response_t),
		rsp->ring, rsp->dma);
501
	}
502 503 504
	kfree(rsp);
}

505 506 507 508 509
static void qla2x00_free_queues(struct qla_hw_data *ha)
{
	struct req_que *req;
	struct rsp_que *rsp;
	int cnt;
510
	unsigned long flags;
511

512 513 514 515 516 517 518 519 520
	if (ha->queue_pair_map) {
		kfree(ha->queue_pair_map);
		ha->queue_pair_map = NULL;
	}
	if (ha->base_qpair) {
		kfree(ha->base_qpair);
		ha->base_qpair = NULL;
	}

521
	spin_lock_irqsave(&ha->hardware_lock, flags);
522
	for (cnt = 0; cnt < ha->max_req_queues; cnt++) {
Q
Quinn Tran 已提交
523 524 525
		if (!test_bit(cnt, ha->req_qid_map))
			continue;

526
		req = ha->req_q_map[cnt];
527 528 529 530
		clear_bit(cnt, ha->req_qid_map);
		ha->req_q_map[cnt] = NULL;

		spin_unlock_irqrestore(&ha->hardware_lock, flags);
531
		qla2x00_free_req_que(ha, req);
532
		spin_lock_irqsave(&ha->hardware_lock, flags);
533
	}
534 535
	spin_unlock_irqrestore(&ha->hardware_lock, flags);

536 537
	kfree(ha->req_q_map);
	ha->req_q_map = NULL;
538

539 540

	spin_lock_irqsave(&ha->hardware_lock, flags);
541
	for (cnt = 0; cnt < ha->max_rsp_queues; cnt++) {
Q
Quinn Tran 已提交
542 543 544
		if (!test_bit(cnt, ha->rsp_qid_map))
			continue;

545
		rsp = ha->rsp_q_map[cnt];
546
		clear_bit(cnt, ha->rsp_qid_map);
547 548
		ha->rsp_q_map[cnt] =  NULL;
		spin_unlock_irqrestore(&ha->hardware_lock, flags);
549
		qla2x00_free_rsp_que(ha, rsp);
550
		spin_lock_irqsave(&ha->hardware_lock, flags);
551
	}
552 553
	spin_unlock_irqrestore(&ha->hardware_lock, flags);

554 555
	kfree(ha->rsp_q_map);
	ha->rsp_q_map = NULL;
556 557
}

L
Linus Torvalds 已提交
558
static char *
559
qla2x00_pci_info_str(struct scsi_qla_host *vha, char *str)
L
Linus Torvalds 已提交
560
{
561
	struct qla_hw_data *ha = vha->hw;
L
Linus Torvalds 已提交
562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581
	static char *pci_bus_modes[] = {
		"33", "66", "100", "133",
	};
	uint16_t pci_bus;

	strcpy(str, "PCI");
	pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
	if (pci_bus) {
		strcat(str, "-X (");
		strcat(str, pci_bus_modes[pci_bus]);
	} else {
		pci_bus = (ha->pci_attr & BIT_8) >> 8;
		strcat(str, " (");
		strcat(str, pci_bus_modes[pci_bus]);
	}
	strcat(str, " MHz)");

	return (str);
}

582
static char *
583
qla24xx_pci_info_str(struct scsi_qla_host *vha, char *str)
584 585
{
	static char *pci_bus_modes[] = { "33", "66", "100", "133", };
586
	struct qla_hw_data *ha = vha->hw;
587 588
	uint32_t pci_bus;

589
	if (pci_is_pcie(ha->pdev)) {
590
		char lwstr[6];
591
		uint32_t lstat, lspeed, lwidth;
592

593 594 595
		pcie_capability_read_dword(ha->pdev, PCI_EXP_LNKCAP, &lstat);
		lspeed = lstat & PCI_EXP_LNKCAP_SLS;
		lwidth = (lstat & PCI_EXP_LNKCAP_MLW) >> 4;
596 597

		strcpy(str, "PCIe (");
598 599
		switch (lspeed) {
		case 1:
600
			strcat(str, "2.5GT/s ");
601 602
			break;
		case 2:
603
			strcat(str, "5.0GT/s ");
604 605 606 607 608
			break;
		case 3:
			strcat(str, "8.0GT/s ");
			break;
		default:
609
			strcat(str, "<unknown> ");
610 611
			break;
		}
612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636
		snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth);
		strcat(str, lwstr);

		return str;
	}

	strcpy(str, "PCI");
	pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
	if (pci_bus == 0 || pci_bus == 8) {
		strcat(str, " (");
		strcat(str, pci_bus_modes[pci_bus >> 3]);
	} else {
		strcat(str, "-X ");
		if (pci_bus & BIT_2)
			strcat(str, "Mode 2");
		else
			strcat(str, "Mode 1");
		strcat(str, " (");
		strcat(str, pci_bus_modes[pci_bus & ~BIT_2]);
	}
	strcat(str, " MHz)");

	return str;
}

637
static char *
638
qla2x00_fw_version_str(struct scsi_qla_host *vha, char *str, size_t size)
L
Linus Torvalds 已提交
639 640
{
	char un_str[10];
641
	struct qla_hw_data *ha = vha->hw;
A
Andrew Vasquez 已提交
642

643 644
	snprintf(str, size, "%d.%02d.%02d ", ha->fw_major_version,
	    ha->fw_minor_version, ha->fw_subminor_version);
L
Linus Torvalds 已提交
645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674

	if (ha->fw_attributes & BIT_9) {
		strcat(str, "FLX");
		return (str);
	}

	switch (ha->fw_attributes & 0xFF) {
	case 0x7:
		strcat(str, "EF");
		break;
	case 0x17:
		strcat(str, "TP");
		break;
	case 0x37:
		strcat(str, "IP");
		break;
	case 0x77:
		strcat(str, "VI");
		break;
	default:
		sprintf(un_str, "(%x)", ha->fw_attributes);
		strcat(str, un_str);
		break;
	}
	if (ha->fw_attributes & 0x100)
		strcat(str, "X");

	return (str);
}

675
static char *
676
qla24xx_fw_version_str(struct scsi_qla_host *vha, char *str, size_t size)
677
{
678
	struct qla_hw_data *ha = vha->hw;
679

680
	snprintf(str, size, "%d.%02d.%02d (%x)", ha->fw_major_version,
681
	    ha->fw_minor_version, ha->fw_subminor_version, ha->fw_attributes);
682 683 684
	return str;
}

685
void
686
qla2x00_sp_free_dma(void *ptr)
687
{
688 689
	srb_t *sp = ptr;
	struct qla_hw_data *ha = sp->vha->hw;
690 691
	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
	void *ctx = GET_CMD_CTX_SP(sp);
692

693 694 695
	if (sp->flags & SRB_DMA_VALID) {
		scsi_dma_unmap(cmd);
		sp->flags &= ~SRB_DMA_VALID;
696
	}
697

698 699 700 701 702 703
	if (sp->flags & SRB_CRC_PROT_DMA_VALID) {
		dma_unmap_sg(&ha->pdev->dev, scsi_prot_sglist(cmd),
		    scsi_prot_sg_count(cmd), cmd->sc_data_direction);
		sp->flags &= ~SRB_CRC_PROT_DMA_VALID;
	}

704 705 706
	if (!ctx)
		goto end;

707 708
	if (sp->flags & SRB_CRC_CTX_DSD_VALID) {
		/* List assured to be having elements */
709
		qla2x00_clean_dsd_pool(ha, ctx);
710 711 712 713
		sp->flags &= ~SRB_CRC_CTX_DSD_VALID;
	}

	if (sp->flags & SRB_CRC_CTX_DMA_VALID) {
714 715 716
		struct crc_context *ctx0 = ctx;

		dma_pool_free(ha->dl_dma_pool, ctx0, ctx0->crc_ctx_dma);
717 718 719 720
		sp->flags &= ~SRB_CRC_CTX_DMA_VALID;
	}

	if (sp->flags & SRB_FCP_CMND_DMA_VALID) {
721
		struct ct6_dsd *ctx1 = ctx;
722

723
		dma_pool_free(ha->fcp_cmnd_dma_pool, ctx1->fcp_cmnd,
724
		    ctx1->fcp_cmnd_dma);
725 726 727 728 729 730
		list_splice(&ctx1->dsd_list, &ha->gbl_dsd_list);
		ha->gbl_dsd_inuse -= ctx1->dsd_use_cnt;
		ha->gbl_dsd_avail += ctx1->dsd_use_cnt;
		mempool_free(ctx1, ha->ctx_mempool);
	}

731
end:
732
	if (sp->type != SRB_NVME_CMD && sp->type != SRB_NVME_LS) {
733 734 735
		CMD_SP(cmd) = NULL;
		qla2x00_rel_sp(sp);
	}
736 737
}

738
void
739
qla2x00_sp_compl(void *ptr, int res)
740
{
741
	srb_t *sp = ptr;
742 743 744 745 746
	struct scsi_cmnd *cmd = GET_CMD_SP(sp);

	cmd->result = res;

	if (atomic_read(&sp->ref_count) == 0) {
747
		ql_dbg(ql_dbg_io, sp->vha, 0x3015,
748 749 750
		    "SP reference-count to ZERO -- sp=%p cmd=%p.\n",
		    sp, GET_CMD_SP(sp));
		if (ql2xextended_error_logging & ql_dbg_io)
751
			WARN_ON(atomic_read(&sp->ref_count) == 0);
752 753 754 755 756
		return;
	}
	if (!atomic_dec_and_test(&sp->ref_count))
		return;

757
	sp->free(sp);
758
	cmd->scsi_done(cmd);
759 760
}

761
void
762
qla2xxx_qpair_sp_free_dma(void *ptr)
763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779
{
	srb_t *sp = (srb_t *)ptr;
	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
	struct qla_hw_data *ha = sp->fcport->vha->hw;
	void *ctx = GET_CMD_CTX_SP(sp);

	if (sp->flags & SRB_DMA_VALID) {
		scsi_dma_unmap(cmd);
		sp->flags &= ~SRB_DMA_VALID;
	}

	if (sp->flags & SRB_CRC_PROT_DMA_VALID) {
		dma_unmap_sg(&ha->pdev->dev, scsi_prot_sglist(cmd),
		    scsi_prot_sg_count(cmd), cmd->sc_data_direction);
		sp->flags &= ~SRB_CRC_PROT_DMA_VALID;
	}

780 781 782
	if (!ctx)
		goto end;

783 784
	if (sp->flags & SRB_CRC_CTX_DSD_VALID) {
		/* List assured to be having elements */
785
		qla2x00_clean_dsd_pool(ha, ctx);
786 787 788 789
		sp->flags &= ~SRB_CRC_CTX_DSD_VALID;
	}

	if (sp->flags & SRB_CRC_CTX_DMA_VALID) {
790 791 792
		struct crc_context *ctx0 = ctx;

		dma_pool_free(ha->dl_dma_pool, ctx, ctx0->crc_ctx_dma);
793 794 795 796
		sp->flags &= ~SRB_CRC_CTX_DMA_VALID;
	}

	if (sp->flags & SRB_FCP_CMND_DMA_VALID) {
797
		struct ct6_dsd *ctx1 = ctx;
798 799 800 801 802 803 804
		dma_pool_free(ha->fcp_cmnd_dma_pool, ctx1->fcp_cmnd,
		    ctx1->fcp_cmnd_dma);
		list_splice(&ctx1->dsd_list, &ha->gbl_dsd_list);
		ha->gbl_dsd_inuse -= ctx1->dsd_use_cnt;
		ha->gbl_dsd_avail += ctx1->dsd_use_cnt;
		mempool_free(ctx1, ha->ctx_mempool);
	}
805
end:
806 807 808 809 810
	CMD_SP(cmd) = NULL;
	qla2xxx_rel_qpair_sp(sp->qpair, sp);
}

void
811
qla2xxx_qpair_sp_compl(void *ptr, int res)
812
{
813
	srb_t *sp = ptr;
814 815 816 817 818 819 820 821 822 823 824 825 826 827 828
	struct scsi_cmnd *cmd = GET_CMD_SP(sp);

	cmd->result = res;

	if (atomic_read(&sp->ref_count) == 0) {
		ql_dbg(ql_dbg_io, sp->fcport->vha, 0x3079,
		    "SP reference-count to ZERO -- sp=%p cmd=%p.\n",
		    sp, GET_CMD_SP(sp));
		if (ql2xextended_error_logging & ql_dbg_io)
			WARN_ON(atomic_read(&sp->ref_count) == 0);
		return;
	}
	if (!atomic_dec_and_test(&sp->ref_count))
		return;

829
	sp->free(sp);
830 831 832
	cmd->scsi_done(cmd);
}

833 834 835
/* If we are SP1 here, we need to still take and release the host_lock as SP1
 * does not have the changes necessary to avoid taking host->host_lock.
 */
L
Linus Torvalds 已提交
836
static int
837
qla2xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd)
838
{
839
	scsi_qla_host_t *vha = shost_priv(host);
840
	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
841
	struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
842 843
	struct qla_hw_data *ha = vha->hw;
	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
844 845
	srb_t *sp;
	int rval;
846 847 848
	struct qla_qpair *qpair = NULL;
	uint32_t tag;
	uint16_t hwq;
849

850 851 852 853 854
	if (unlikely(test_bit(UNLOADING, &base_vha->dpc_flags))) {
		cmd->result = DID_NO_CONNECT << 16;
		goto qc24_fail_command;
	}

855 856 857 858 859 860 861 862 863 864 865
	if (ha->mqenable) {
		if (shost_use_blk_mq(vha->host)) {
			tag = blk_mq_unique_tag(cmd->request);
			hwq = blk_mq_unique_tag_to_hwq(tag);
			qpair = ha->queue_pair_map[hwq];
		} else if (vha->vp_idx && vha->qpair) {
			qpair = vha->qpair;
		}

		if (qpair)
			return qla2xxx_mqueuecommand(host, cmd, qpair);
866 867
	}

868
	if (ha->flags.eeh_busy) {
869
		if (ha->flags.pci_channel_io_perm_failure) {
870
			ql_dbg(ql_dbg_aer, vha, 0x9010,
871 872
			    "PCI Channel IO permanent failure, exiting "
			    "cmd=%p.\n", cmd);
873
			cmd->result = DID_NO_CONNECT << 16;
874
		} else {
875
			ql_dbg(ql_dbg_aer, vha, 0x9011,
876
			    "EEH_Busy, Requeuing the cmd=%p.\n", cmd);
877
			cmd->result = DID_REQUEUE << 16;
878
		}
879 880 881
		goto qc24_fail_command;
	}

882 883 884
	rval = fc_remote_port_chkready(rport);
	if (rval) {
		cmd->result = rval;
885
		ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3003,
886 887
		    "fc_remote_port_chkready failed for cmd=%p, rval=0x%x.\n",
		    cmd, rval);
888 889 890
		goto qc24_fail_command;
	}

891 892
	if (!vha->flags.difdix_supported &&
		scsi_get_prot_op(cmd) != SCSI_PROT_NORMAL) {
893 894 895
			ql_dbg(ql_dbg_io, vha, 0x3004,
			    "DIF Cap not reg, fail DIF capable cmd's:%p.\n",
			    cmd);
896 897 898
			cmd->result = DID_NO_CONNECT << 16;
			goto qc24_fail_command;
	}
899 900 901 902 903 904

	if (!fcport) {
		cmd->result = DID_NO_CONNECT << 16;
		goto qc24_fail_command;
	}

905 906
	if (atomic_read(&fcport->state) != FCS_ONLINE) {
		if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
907
			atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
908 909 910 911
			ql_dbg(ql_dbg_io, vha, 0x3005,
			    "Returning DNC, fcport_state=%d loop_state=%d.\n",
			    atomic_read(&fcport->state),
			    atomic_read(&base_vha->loop_state));
912 913 914
			cmd->result = DID_NO_CONNECT << 16;
			goto qc24_fail_command;
		}
915
		goto qc24_target_busy;
916 917
	}

918 919 920 921
	/*
	 * Return target busy if we've received a non-zero retry_delay_timer
	 * in a FCP_RSP.
	 */
922 923 924
	if (fcport->retry_delay_timestamp == 0) {
		/* retry delay not set */
	} else if (time_after(jiffies, fcport->retry_delay_timestamp))
925 926 927 928
		fcport->retry_delay_timestamp = 0;
	else
		goto qc24_target_busy;

929
	sp = qla2x00_get_sp(vha, fcport, GFP_ATOMIC);
930
	if (!sp)
931
		goto qc24_host_busy;
932

933 934 935 936 937 938 939
	sp->u.scmd.cmd = cmd;
	sp->type = SRB_SCSI_CMD;
	atomic_set(&sp->ref_count, 1);
	CMD_SP(cmd) = (void *)sp;
	sp->free = qla2x00_sp_free_dma;
	sp->done = qla2x00_sp_compl;

940
	rval = ha->isp_ops->start_scsi(sp);
941
	if (rval != QLA_SUCCESS) {
942
		ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3013,
943
		    "Start scsi failed rval=%d for cmd=%p.\n", rval, cmd);
944
		goto qc24_host_busy_free_sp;
945
	}
946 947 948 949

	return 0;

qc24_host_busy_free_sp:
950
	sp->free(sp);
951

952
qc24_host_busy:
953 954
	return SCSI_MLQUEUE_HOST_BUSY;

955 956 957
qc24_target_busy:
	return SCSI_MLQUEUE_TARGET_BUSY;

958
qc24_fail_command:
959
	cmd->scsi_done(cmd);
960 961 962 963

	return 0;
}

964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038
/* For MQ supported I/O */
int
qla2xxx_mqueuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd,
    struct qla_qpair *qpair)
{
	scsi_qla_host_t *vha = shost_priv(host);
	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
	struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
	struct qla_hw_data *ha = vha->hw;
	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
	srb_t *sp;
	int rval;

	rval = fc_remote_port_chkready(rport);
	if (rval) {
		cmd->result = rval;
		ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3076,
		    "fc_remote_port_chkready failed for cmd=%p, rval=0x%x.\n",
		    cmd, rval);
		goto qc24_fail_command;
	}

	if (!fcport) {
		cmd->result = DID_NO_CONNECT << 16;
		goto qc24_fail_command;
	}

	if (atomic_read(&fcport->state) != FCS_ONLINE) {
		if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
			atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
			ql_dbg(ql_dbg_io, vha, 0x3077,
			    "Returning DNC, fcport_state=%d loop_state=%d.\n",
			    atomic_read(&fcport->state),
			    atomic_read(&base_vha->loop_state));
			cmd->result = DID_NO_CONNECT << 16;
			goto qc24_fail_command;
		}
		goto qc24_target_busy;
	}

	/*
	 * Return target busy if we've received a non-zero retry_delay_timer
	 * in a FCP_RSP.
	 */
	if (fcport->retry_delay_timestamp == 0) {
		/* retry delay not set */
	} else if (time_after(jiffies, fcport->retry_delay_timestamp))
		fcport->retry_delay_timestamp = 0;
	else
		goto qc24_target_busy;

	sp = qla2xxx_get_qpair_sp(qpair, fcport, GFP_ATOMIC);
	if (!sp)
		goto qc24_host_busy;

	sp->u.scmd.cmd = cmd;
	sp->type = SRB_SCSI_CMD;
	atomic_set(&sp->ref_count, 1);
	CMD_SP(cmd) = (void *)sp;
	sp->free = qla2xxx_qpair_sp_free_dma;
	sp->done = qla2xxx_qpair_sp_compl;
	sp->qpair = qpair;

	rval = ha->isp_ops->start_scsi_mq(sp);
	if (rval != QLA_SUCCESS) {
		ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3078,
		    "Start scsi failed rval=%d for cmd=%p.\n", rval, cmd);
		if (rval == QLA_INTERFACE_ERROR)
			goto qc24_fail_command;
		goto qc24_host_busy_free_sp;
	}

	return 0;

qc24_host_busy_free_sp:
1039
	sp->free(sp);
1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052

qc24_host_busy:
	return SCSI_MLQUEUE_HOST_BUSY;

qc24_target_busy:
	return SCSI_MLQUEUE_TARGET_BUSY;

qc24_fail_command:
	cmd->scsi_done(cmd);

	return 0;
}

L
Linus Torvalds 已提交
1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065
/*
 * qla2x00_eh_wait_on_command
 *    Waits for the command to be returned by the Firmware for some
 *    max time.
 *
 * Input:
 *    cmd = Scsi Command to wait on.
 *
 * Return:
 *    Not Found : 0
 *    Found : 1
 */
static int
1066
qla2x00_eh_wait_on_command(struct scsi_cmnd *cmd)
L
Linus Torvalds 已提交
1067
{
1068
#define ABORT_POLLING_PERIOD	1000
1069
#define ABORT_WAIT_ITER		((2 * 1000) / (ABORT_POLLING_PERIOD))
已提交
1070
	unsigned long wait_iter = ABORT_WAIT_ITER;
1071 1072
	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
	struct qla_hw_data *ha = vha->hw;
已提交
1073
	int ret = QLA_SUCCESS;
L
Linus Torvalds 已提交
1074

1075
	if (unlikely(pci_channel_offline(ha->pdev)) || ha->flags.eeh_busy) {
1076 1077
		ql_dbg(ql_dbg_taskm, vha, 0x8005,
		    "Return:eh_wait.\n");
1078 1079 1080
		return ret;
	}

1081
	while (CMD_SP(cmd) && wait_iter--) {
1082
		msleep(ABORT_POLLING_PERIOD);
已提交
1083 1084 1085
	}
	if (CMD_SP(cmd))
		ret = QLA_FUNCTION_FAILED;
L
Linus Torvalds 已提交
1086

已提交
1087
	return ret;
L
Linus Torvalds 已提交
1088 1089 1090 1091
}

/*
 * qla2x00_wait_for_hba_online
A
Andrew Vasquez 已提交
1092
 *    Wait till the HBA is online after going through
L
Linus Torvalds 已提交
1093 1094 1095 1096 1097
 *    <= MAX_RETRIES_OF_ISP_ABORT  or
 *    finally HBA is disabled ie marked offline
 *
 * Input:
 *     ha - pointer to host adapter structure
A
Andrew Vasquez 已提交
1098 1099
 *
 * Note:
L
Linus Torvalds 已提交
1100 1101 1102 1103 1104 1105 1106
 *    Does context switching-Release SPIN_LOCK
 *    (if any) before calling this routine.
 *
 * Return:
 *    Success (Adapter is online) : 0
 *    Failed  (Adapter is offline/disabled) : 1
 */
1107
int
1108
qla2x00_wait_for_hba_online(scsi_qla_host_t *vha)
L
Linus Torvalds 已提交
1109
{
1110 1111
	int		return_status;
	unsigned long	wait_online;
1112 1113
	struct qla_hw_data *ha = vha->hw;
	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
L
Linus Torvalds 已提交
1114

A
Andrew Vasquez 已提交
1115
	wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
1116 1117 1118 1119
	while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
	    test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
	    test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
	    ha->dpc_active) && time_before(jiffies, wait_online)) {
L
Linus Torvalds 已提交
1120 1121 1122

		msleep(1000);
	}
1123
	if (base_vha->flags.online)
A
Andrew Vasquez 已提交
1124
		return_status = QLA_SUCCESS;
L
Linus Torvalds 已提交
1125 1126 1127 1128 1129 1130
	else
		return_status = QLA_FUNCTION_FAILED;

	return (return_status);
}

1131 1132 1133 1134 1135 1136 1137
static inline int test_fcport_count(scsi_qla_host_t *vha)
{
	struct qla_hw_data *ha = vha->hw;
	unsigned long flags;
	int res;

	spin_lock_irqsave(&ha->tgt.sess_lock, flags);
1138 1139 1140
	ql_dbg(ql_dbg_init, vha, 0x00ec,
	    "tgt %p, fcport_count=%d\n",
	    vha, vha->fcport_count);
1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155
	res = (vha->fcport_count == 0);
	spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);

	return res;
}

/*
 * qla2x00_wait_for_sess_deletion can only be called from remove_one.
 * it has dependency on UNLOADING flag to stop device discovery
 */
static void
qla2x00_wait_for_sess_deletion(scsi_qla_host_t *vha)
{
	qla2x00_mark_all_devices_lost(vha, 0);

1156
	wait_event_timeout(vha->fcport_waitQ, test_fcport_count(vha), 10*HZ);
1157 1158
}

1159
/*
1160 1161
 * qla2x00_wait_for_hba_ready
 * Wait till the HBA is ready before doing driver unload
1162 1163 1164 1165 1166 1167 1168 1169 1170
 *
 * Input:
 *     ha - pointer to host adapter structure
 *
 * Note:
 *    Does context switching-Release SPIN_LOCK
 *    (if any) before calling this routine.
 *
 */
1171 1172
static void
qla2x00_wait_for_hba_ready(scsi_qla_host_t *vha)
1173 1174
{
	struct qla_hw_data *ha = vha->hw;
1175
	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1176

1177 1178 1179 1180 1181 1182
	while ((qla2x00_reset_active(vha) || ha->dpc_active ||
		ha->flags.mbox_busy) ||
	       test_bit(FX00_RESET_RECOVERY, &vha->dpc_flags) ||
	       test_bit(FX00_TARGET_SCAN, &vha->dpc_flags)) {
		if (test_bit(UNLOADING, &base_vha->dpc_flags))
			break;
1183
		msleep(1000);
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
int
qla2x00_wait_for_chip_reset(scsi_qla_host_t *vha)
{
	int		return_status;
	unsigned long	wait_reset;
	struct qla_hw_data *ha = vha->hw;
	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);

	wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ);
	while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
	    test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
	    test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
	    ha->dpc_active) && time_before(jiffies, wait_reset)) {

		msleep(1000);

		if (!test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
		    ha->flags.chip_reset_done)
			break;
	}
	if (ha->flags.chip_reset_done)
		return_status = QLA_SUCCESS;
	else
		return_status = QLA_FUNCTION_FAILED;

	return return_status;
}

1215 1216 1217 1218 1219 1220
static void
sp_get(struct srb *sp)
{
	atomic_inc(&sp->ref_count);
}

1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240
#define ISP_REG_DISCONNECT 0xffffffffU
/**************************************************************************
* qla2x00_isp_reg_stat
*
* Description:
*	Read the host status register of ISP before aborting the command.
*
* Input:
*	ha = pointer to host adapter structure.
*
*
* Returns:
*	Either true or false.
*
* Note:	Return true if there is register disconnect.
**************************************************************************/
static inline
uint32_t qla2x00_isp_reg_stat(struct qla_hw_data *ha)
{
	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1241
	struct device_reg_82xx __iomem *reg82 = &ha->iobase->isp82;
1242

1243 1244 1245 1246 1247
	if (IS_P3P_TYPE(ha))
		return ((RD_REG_DWORD(&reg82->host_int)) == ISP_REG_DISCONNECT);
	else
		return ((RD_REG_DWORD(&reg->host_status)) ==
			ISP_REG_DISCONNECT);
1248 1249
}

L
Linus Torvalds 已提交
1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262
/**************************************************************************
* qla2xxx_eh_abort
*
* Description:
*    The abort function will abort the specified command.
*
* Input:
*    cmd = Linux SCSI command packet to be aborted.
*
* Returns:
*    Either SUCCESS or FAILED.
*
* Note:
1263
*    Only return FAILED if command not returned by firmware.
L
Linus Torvalds 已提交
1264
**************************************************************************/
1265
static int
L
Linus Torvalds 已提交
1266 1267
qla2xxx_eh_abort(struct scsi_cmnd *cmd)
{
1268
	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
已提交
1269
	srb_t *sp;
1270
	int ret;
H
Hannes Reinecke 已提交
1271 1272
	unsigned int id;
	uint64_t lun;
1273
	unsigned long flags;
1274
	int rval, wait = 0;
1275
	struct qla_hw_data *ha = vha->hw;
L
Linus Torvalds 已提交
1276

1277 1278 1279 1280 1281
	if (qla2x00_isp_reg_stat(ha)) {
		ql_log(ql_log_info, vha, 0x8042,
		    "PCI/Register disconnect, exiting.\n");
		return FAILED;
	}
已提交
1282
	if (!CMD_SP(cmd))
1283
		return SUCCESS;
L
Linus Torvalds 已提交
1284

1285 1286 1287 1288 1289
	ret = fc_block_scsi_eh(cmd);
	if (ret != 0)
		return ret;
	ret = SUCCESS;

已提交
1290 1291
	id = cmd->device->id;
	lun = cmd->device->lun;
L
Linus Torvalds 已提交
1292

1293
	spin_lock_irqsave(&ha->hardware_lock, flags);
1294 1295 1296 1297 1298
	sp = (srb_t *) CMD_SP(cmd);
	if (!sp) {
		spin_unlock_irqrestore(&ha->hardware_lock, flags);
		return SUCCESS;
	}
L
Linus Torvalds 已提交
1299

1300
	ql_dbg(ql_dbg_taskm, vha, 0x8002,
1301 1302
	    "Aborting from RISC nexus=%ld:%d:%llu sp=%p cmd=%p handle=%x\n",
	    vha->host_no, id, lun, sp, cmd, sp->handle);
1303

1304 1305
	/* Get a reference to the sp and drop the lock.*/
	sp_get(sp);
1306

1307
	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1308 1309
	rval = ha->isp_ops->abort_command(sp);
	if (rval) {
1310
		if (rval == QLA_FUNCTION_PARAMETER_ERROR)
1311
			ret = SUCCESS;
1312
		else
1313 1314
			ret = FAILED;

1315
		ql_dbg(ql_dbg_taskm, vha, 0x8003,
1316
		    "Abort command mbx failed cmd=%p, rval=%x.\n", cmd, rval);
1317
	} else {
1318
		ql_dbg(ql_dbg_taskm, vha, 0x8004,
1319
		    "Abort command mbx success cmd=%p.\n", cmd);
1320 1321
		wait = 1;
	}
1322 1323

	spin_lock_irqsave(&ha->hardware_lock, flags);
1324
	sp->done(sp, 0);
1325
	spin_unlock_irqrestore(&ha->hardware_lock, flags);
L
Linus Torvalds 已提交
1326

1327 1328 1329 1330
	/* Did the command return during mailbox execution? */
	if (ret == FAILED && !CMD_SP(cmd))
		ret = SUCCESS;

已提交
1331
	/* Wait for the command to be returned. */
1332
	if (wait) {
1333
		if (qla2x00_eh_wait_on_command(cmd) != QLA_SUCCESS) {
1334
			ql_log(ql_log_warn, vha, 0x8006,
1335
			    "Abort handler timed out cmd=%p.\n", cmd);
1336
			ret = FAILED;
已提交
1337
		}
L
Linus Torvalds 已提交
1338 1339
	}

1340
	ql_log(ql_log_info, vha, 0x801c,
H
Hannes Reinecke 已提交
1341
	    "Abort command issued nexus=%ld:%d:%llu --  %d %x.\n",
1342
	    vha->host_no, id, lun, wait, ret);
L
Linus Torvalds 已提交
1343

已提交
1344 1345
	return ret;
}
L
Linus Torvalds 已提交
1346

1347
int
1348
qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t,
H
Hannes Reinecke 已提交
1349
	uint64_t l, enum nexus_wait_type type)
已提交
1350
{
1351
	int cnt, match, status;
1352
	unsigned long flags;
1353
	struct qla_hw_data *ha = vha->hw;
1354
	struct req_que *req;
1355
	srb_t *sp;
1356
	struct scsi_cmnd *cmd;
L
Linus Torvalds 已提交
1357

1358
	status = QLA_SUCCESS;
1359

1360
	spin_lock_irqsave(&ha->hardware_lock, flags);
1361
	req = vha->req;
1362
	for (cnt = 1; status == QLA_SUCCESS &&
1363
		cnt < req->num_outstanding_cmds; cnt++) {
1364 1365
		sp = req->outstanding_cmds[cnt];
		if (!sp)
1366
			continue;
1367
		if (sp->type != SRB_SCSI_CMD)
1368
			continue;
1369
		if (vha->vp_idx != sp->vha->vp_idx)
1370 1371
			continue;
		match = 0;
1372
		cmd = GET_CMD_SP(sp);
1373 1374 1375 1376 1377
		switch (type) {
		case WAIT_HOST:
			match = 1;
			break;
		case WAIT_TARGET:
1378
			match = cmd->device->id == t;
1379 1380
			break;
		case WAIT_LUN:
1381 1382
			match = (cmd->device->id == t &&
				cmd->device->lun == l);
1383
			break;
1384
		}
1385 1386 1387 1388
		if (!match)
			continue;

		spin_unlock_irqrestore(&ha->hardware_lock, flags);
1389
		status = qla2x00_eh_wait_on_command(cmd);
1390
		spin_lock_irqsave(&ha->hardware_lock, flags);
L
Linus Torvalds 已提交
1391
	}
1392
	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1393 1394

	return status;
L
Linus Torvalds 已提交
1395 1396
}

1397 1398 1399 1400 1401 1402
static char *reset_errors[] = {
	"HBA not online",
	"HBA not ready",
	"Task management failed",
	"Waiting for command completions",
};
L
Linus Torvalds 已提交
1403

1404
static int
1405
__qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
H
Hannes Reinecke 已提交
1406
    struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, uint64_t, int))
L
Linus Torvalds 已提交
1407
{
1408
	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1409
	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1410
	int err;
L
Linus Torvalds 已提交
1411

1412
	if (!fcport) {
1413
		return FAILED;
1414
	}
L
Linus Torvalds 已提交
1415

1416 1417 1418 1419
	err = fc_block_scsi_eh(cmd);
	if (err != 0)
		return err;

1420
	ql_log(ql_log_info, vha, 0x8009,
H
Hannes Reinecke 已提交
1421
	    "%s RESET ISSUED nexus=%ld:%d:%llu cmd=%p.\n", name, vha->host_no,
1422
	    cmd->device->id, cmd->device->lun, cmd);
L
Linus Torvalds 已提交
1423

1424
	err = 0;
1425 1426 1427
	if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
		ql_log(ql_log_warn, vha, 0x800a,
		    "Wait for hba online failed for cmd=%p.\n", cmd);
1428
		goto eh_reset_failed;
1429
	}
1430
	err = 2;
1431
	if (do_reset(fcport, cmd->device->lun, cmd->request->cpu + 1)
1432 1433 1434
		!= QLA_SUCCESS) {
		ql_log(ql_log_warn, vha, 0x800c,
		    "do_reset failed for cmd=%p.\n", cmd);
1435
		goto eh_reset_failed;
1436
	}
1437
	err = 3;
1438
	if (qla2x00_eh_wait_for_pending_commands(vha, cmd->device->id,
1439 1440
	    cmd->device->lun, type) != QLA_SUCCESS) {
		ql_log(ql_log_warn, vha, 0x800d,
1441
		    "wait for pending cmds failed for cmd=%p.\n", cmd);
1442
		goto eh_reset_failed;
1443
	}
1444

1445
	ql_log(ql_log_info, vha, 0x800e,
H
Hannes Reinecke 已提交
1446
	    "%s RESET SUCCEEDED nexus:%ld:%d:%llu cmd=%p.\n", name,
1447
	    vha->host_no, cmd->device->id, cmd->device->lun, cmd);
1448 1449 1450

	return SUCCESS;

1451
eh_reset_failed:
1452
	ql_log(ql_log_info, vha, 0x800f,
H
Hannes Reinecke 已提交
1453
	    "%s RESET FAILED: %s nexus=%ld:%d:%llu cmd=%p.\n", name,
1454 1455
	    reset_errors[err], vha->host_no, cmd->device->id, cmd->device->lun,
	    cmd);
1456 1457
	return FAILED;
}
L
Linus Torvalds 已提交
1458

1459 1460 1461
static int
qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
{
1462 1463
	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
	struct qla_hw_data *ha = vha->hw;
L
Linus Torvalds 已提交
1464

1465 1466 1467 1468 1469 1470
	if (qla2x00_isp_reg_stat(ha)) {
		ql_log(ql_log_info, vha, 0x803e,
		    "PCI/Register disconnect, exiting.\n");
		return FAILED;
	}

1471 1472
	return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd,
	    ha->isp_ops->lun_reset);
L
Linus Torvalds 已提交
1473 1474 1475
}

static int
1476
qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
L
Linus Torvalds 已提交
1477
{
1478 1479
	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
	struct qla_hw_data *ha = vha->hw;
L
Linus Torvalds 已提交
1480

1481 1482 1483 1484 1485 1486
	if (qla2x00_isp_reg_stat(ha)) {
		ql_log(ql_log_info, vha, 0x803f,
		    "PCI/Register disconnect, exiting.\n");
		return FAILED;
	}

1487 1488
	return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd,
	    ha->isp_ops->target_reset);
L
Linus Torvalds 已提交
1489 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 1505
}

/**************************************************************************
* qla2xxx_eh_bus_reset
*
* Description:
*    The bus reset function will reset the bus and abort any executing
*    commands.
*
* Input:
*    cmd = Linux SCSI command packet of the command that cause the
*          bus reset.
*
* Returns:
*    SUCCESS/FAILURE (defined as macro in scsi.h).
*
**************************************************************************/
1506
static int
L
Linus Torvalds 已提交
1507 1508
qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
{
1509
	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1510
	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1511
	int ret = FAILED;
H
Hannes Reinecke 已提交
1512 1513
	unsigned int id;
	uint64_t lun;
1514 1515 1516 1517 1518 1519 1520
	struct qla_hw_data *ha = vha->hw;

	if (qla2x00_isp_reg_stat(ha)) {
		ql_log(ql_log_info, vha, 0x8040,
		    "PCI/Register disconnect, exiting.\n");
		return FAILED;
	}
已提交
1521 1522 1523

	id = cmd->device->id;
	lun = cmd->device->lun;
L
Linus Torvalds 已提交
1524

1525
	if (!fcport) {
已提交
1526
		return ret;
1527
	}
L
Linus Torvalds 已提交
1528

1529 1530 1531 1532 1533
	ret = fc_block_scsi_eh(cmd);
	if (ret != 0)
		return ret;
	ret = FAILED;

1534
	ql_log(ql_log_info, vha, 0x8012,
H
Hannes Reinecke 已提交
1535
	    "BUS RESET ISSUED nexus=%ld:%d:%llu.\n", vha->host_no, id, lun);
L
Linus Torvalds 已提交
1536

1537
	if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1538 1539
		ql_log(ql_log_fatal, vha, 0x8013,
		    "Wait for hba online failed board disabled.\n");
已提交
1540
		goto eh_bus_reset_done;
L
Linus Torvalds 已提交
1541 1542
	}

1543 1544 1545
	if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
		ret = SUCCESS;

已提交
1546 1547
	if (ret == FAILED)
		goto eh_bus_reset_done;
L
Linus Torvalds 已提交
1548

1549
	/* Flush outstanding commands. */
1550
	if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) !=
1551 1552 1553
	    QLA_SUCCESS) {
		ql_log(ql_log_warn, vha, 0x8014,
		    "Wait for pending commands failed.\n");
1554
		ret = FAILED;
1555
	}
L
Linus Torvalds 已提交
1556

已提交
1557
eh_bus_reset_done:
1558
	ql_log(ql_log_warn, vha, 0x802b,
H
Hannes Reinecke 已提交
1559
	    "BUS RESET %s nexus=%ld:%d:%llu.\n",
1560
	    (ret == FAILED) ? "FAILED" : "SUCCEEDED", vha->host_no, id, lun);
L
Linus Torvalds 已提交
1561

已提交
1562
	return ret;
L
Linus Torvalds 已提交
1563 1564 1565 1566 1567 1568 1569 1570 1571 1572 1573 1574 1575 1576 1577 1578 1579
}

/**************************************************************************
* qla2xxx_eh_host_reset
*
* Description:
*    The reset function will reset the Adapter.
*
* Input:
*      cmd = Linux SCSI command packet of the command that cause the
*            adapter reset.
*
* Returns:
*      Either SUCCESS or FAILED.
*
* Note:
**************************************************************************/
1580
static int
L
Linus Torvalds 已提交
1581 1582
qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
{
1583 1584
	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
	struct qla_hw_data *ha = vha->hw;
1585
	int ret = FAILED;
H
Hannes Reinecke 已提交
1586 1587
	unsigned int id;
	uint64_t lun;
1588
	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
L
Linus Torvalds 已提交
1589

1590 1591 1592 1593 1594 1595 1596
	if (qla2x00_isp_reg_stat(ha)) {
		ql_log(ql_log_info, vha, 0x8041,
		    "PCI/Register disconnect, exiting.\n");
		schedule_work(&ha->board_disable);
		return SUCCESS;
	}

已提交
1597 1598 1599
	id = cmd->device->id;
	lun = cmd->device->lun;

1600
	ql_log(ql_log_info, vha, 0x8018,
H
Hannes Reinecke 已提交
1601
	    "ADAPTER RESET ISSUED nexus=%ld:%d:%llu.\n", vha->host_no, id, lun);
L
Linus Torvalds 已提交
1602

1603 1604 1605 1606 1607
	/*
	 * No point in issuing another reset if one is active.  Also do not
	 * attempt a reset if we are updating flash.
	 */
	if (qla2x00_reset_active(vha) || ha->optrom_state != QLA_SWAITING)
已提交
1608
		goto eh_host_reset_lock;
L
Linus Torvalds 已提交
1609

1610 1611
	if (vha != base_vha) {
		if (qla2x00_vp_abort_isp(vha))
已提交
1612
			goto eh_host_reset_lock;
1613
	} else {
1614
		if (IS_P3P_TYPE(vha->hw)) {
1615 1616 1617 1618 1619 1620 1621
			if (!qla82xx_fcoe_ctx_reset(vha)) {
				/* Ctx reset success */
				ret = SUCCESS;
				goto eh_host_reset_lock;
			}
			/* fall thru if ctx reset failed */
		}
1622 1623 1624
		if (ha->wq)
			flush_workqueue(ha->wq);

1625
		set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1626
		if (ha->isp_ops->abort_isp(base_vha)) {
1627 1628 1629 1630
			clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
			/* failed. schedule dpc to try */
			set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);

1631 1632 1633
			if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
				ql_log(ql_log_warn, vha, 0x802a,
				    "wait for hba online failed.\n");
1634
				goto eh_host_reset_lock;
1635
			}
1636 1637
		}
		clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
A
Andrew Vasquez 已提交
1638
	}
L
Linus Torvalds 已提交
1639

1640
	/* Waiting for command to be returned to OS.*/
1641
	if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) ==
1642
		QLA_SUCCESS)
已提交
1643
		ret = SUCCESS;
L
Linus Torvalds 已提交
1644

已提交
1645
eh_host_reset_lock:
1646
	ql_log(ql_log_info, vha, 0x8017,
H
Hannes Reinecke 已提交
1647
	    "ADAPTER RESET %s nexus=%ld:%d:%llu.\n",
1648
	    (ret == FAILED) ? "FAILED" : "SUCCEEDED", vha->host_no, id, lun);
L
Linus Torvalds 已提交
1649

已提交
1650 1651
	return ret;
}
L
Linus Torvalds 已提交
1652 1653 1654 1655 1656 1657 1658 1659 1660 1661 1662

/*
* qla2x00_loop_reset
*      Issue loop reset.
*
* Input:
*      ha = adapter block pointer.
*
* Returns:
*      0 = success
*/
1663
int
1664
qla2x00_loop_reset(scsi_qla_host_t *vha)
L
Linus Torvalds 已提交
1665
{
1666
	int ret;
1667
	struct fc_port *fcport;
1668
	struct qla_hw_data *ha = vha->hw;
L
Linus Torvalds 已提交
1669

1670 1671 1672 1673
	if (IS_QLAFX00(ha)) {
		return qlafx00_loop_reset(vha);
	}

1674
	if (ql2xtargetreset == 1 && ha->flags.enable_target_reset) {
1675 1676 1677 1678 1679 1680
		list_for_each_entry(fcport, &vha->vp_fcports, list) {
			if (fcport->port_type != FCT_TARGET)
				continue;

			ret = ha->isp_ops->target_reset(fcport, 0, 0);
			if (ret != QLA_SUCCESS) {
1681
				ql_dbg(ql_dbg_taskm, vha, 0x802c,
1682
				    "Bus Reset failed: Reset=%d "
1683
				    "d_id=%x.\n", ret, fcport->d_id.b24);
1684 1685 1686 1687
			}
		}
	}

1688

1689
	if (ha->flags.enable_lip_full_login && !IS_CNA_CAPABLE(ha)) {
1690 1691 1692
		atomic_set(&vha->loop_state, LOOP_DOWN);
		atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
		qla2x00_mark_all_devices_lost(vha, 0);
1693
		ret = qla2x00_full_login_lip(vha);
1694
		if (ret != QLA_SUCCESS) {
1695 1696
			ql_dbg(ql_dbg_taskm, vha, 0x802d,
			    "full_login_lip=%d.\n", ret);
1697
		}
1698 1699
	}

1700
	if (ha->flags.enable_lip_reset) {
1701
		ret = qla2x00_lip_reset(vha);
1702
		if (ret != QLA_SUCCESS)
1703 1704
			ql_dbg(ql_dbg_taskm, vha, 0x802e,
			    "lip_reset failed (%d).\n", ret);
L
Linus Torvalds 已提交
1705 1706 1707
	}

	/* Issue marker command only when we are going to start the I/O */
1708
	vha->marker_needed = 1;
L
Linus Torvalds 已提交
1709

1710
	return QLA_SUCCESS;
L
Linus Torvalds 已提交
1711 1712
}

1713 1714
static void
__qla2x00_abort_all_cmds(struct qla_qpair *qp, int res)
1715
{
1716
	int cnt, status;
1717 1718
	unsigned long flags;
	srb_t *sp;
1719
	scsi_qla_host_t *vha = qp->vha;
1720
	struct qla_hw_data *ha = vha->hw;
1721
	struct req_que *req;
1722 1723 1724
	struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
	struct qla_tgt_cmd *cmd;
	uint8_t trace = 0;
1725

1726 1727 1728 1729 1730 1731 1732 1733 1734 1735 1736 1737 1738 1739 1740 1741 1742 1743 1744 1745 1746 1747 1748 1749 1750 1751 1752 1753 1754 1755 1756 1757 1758 1759 1760 1761 1762 1763 1764 1765 1766 1767 1768 1769 1770 1771 1772 1773 1774 1775 1776 1777 1778 1779 1780 1781 1782 1783 1784 1785 1786
	spin_lock_irqsave(qp->qp_lock_ptr, flags);
	req = qp->req;
	for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++) {
		sp = req->outstanding_cmds[cnt];
		if (sp) {
			req->outstanding_cmds[cnt] = NULL;
			if (sp->cmd_type == TYPE_SRB) {
				if (sp->type == SRB_NVME_CMD ||
				    sp->type == SRB_NVME_LS) {
					sp_get(sp);
					spin_unlock_irqrestore(qp->qp_lock_ptr,
					    flags);
					qla_nvme_abort(ha, sp);
					spin_lock_irqsave(qp->qp_lock_ptr,
					    flags);
				} else if (GET_CMD_SP(sp) &&
				    !ha->flags.eeh_busy &&
				    (!test_bit(ABORT_ISP_ACTIVE,
					&vha->dpc_flags)) &&
				    (sp->type == SRB_SCSI_CMD)) {
					/*
					 * Don't abort commands in
					 * adapter during EEH
					 * recovery as it's not
					 * accessible/responding.
					 *
					 * Get a reference to the sp
					 * and drop the lock. The
					 * reference ensures this
					 * sp->done() call and not the
					 * call in qla2xxx_eh_abort()
					 * ends the SCSI command (with
					 * result 'res').
					 */
					sp_get(sp);
					spin_unlock_irqrestore(qp->qp_lock_ptr,
					    flags);
					status = qla2xxx_eh_abort(
					    GET_CMD_SP(sp));
					spin_lock_irqsave(qp->qp_lock_ptr,
					    flags);
					/*
					 * Get rid of extra reference
					 * if immediate exit from
					 * ql2xxx_eh_abort
					 */
					if (status == FAILED &&
					    (qla2x00_isp_reg_stat(ha)))
						atomic_dec(
						    &sp->ref_count);
				}
				sp->done(sp, res);
			} else {
				if (!vha->hw->tgt.tgt_ops || !tgt ||
				    qla_ini_mode_enabled(vha)) {
					if (!trace)
						ql_dbg(ql_dbg_tgt_mgt,
						    vha, 0xf003,
						    "HOST-ABORT-HNDLR: dpc_flags=%lx. Target mode disabled\n",
						    vha->dpc_flags);
					continue;
1787
				}
1788 1789
				cmd = (struct qla_tgt_cmd *)sp;
				qlt_abort_cmd_on_host_reset(cmd->vha, cmd);
1790
			}
1791 1792
		}
	}
1793 1794 1795 1796 1797 1798 1799 1800 1801 1802 1803 1804 1805 1806 1807 1808 1809
	spin_unlock_irqrestore(qp->qp_lock_ptr, flags);
}

void
qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
{
	int que;
	struct qla_hw_data *ha = vha->hw;

	__qla2x00_abort_all_cmds(ha->base_qpair, res);

	for (que = 0; que < ha->max_qpairs; que++) {
		if (!ha->queue_pair_map[que])
			continue;

		__qla2x00_abort_all_cmds(ha->queue_pair_map[que], res);
	}
1810 1811
}

已提交
1812 1813
static int
qla2xxx_slave_alloc(struct scsi_device *sdev)
L
Linus Torvalds 已提交
1814
{
1815
	struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
L
Linus Torvalds 已提交
1816

1817
	if (!rport || fc_remote_port_chkready(rport))
已提交
1818
		return -ENXIO;
1819

1820
	sdev->hostdata = *(fc_port_t **)rport->dd_data;
L
Linus Torvalds 已提交
1821

已提交
1822 1823
	return 0;
}
L
Linus Torvalds 已提交
1824

已提交
1825 1826 1827
static int
qla2xxx_slave_configure(struct scsi_device *sdev)
{
1828
	scsi_qla_host_t *vha = shost_priv(sdev->host);
1829
	struct req_que *req = vha->req;
已提交
1830

1831 1832 1833
	if (IS_T10_PI_CAPABLE(vha->hw))
		blk_queue_update_dma_alignment(sdev->request_queue, 0x7);

1834
	scsi_change_queue_depth(sdev, req->max_q_depth);
已提交
1835 1836
	return 0;
}
L
Linus Torvalds 已提交
1837

已提交
1838 1839 1840 1841
static void
qla2xxx_slave_destroy(struct scsi_device *sdev)
{
	sdev->hostdata = NULL;
L
Linus Torvalds 已提交
1842 1843 1844 1845 1846 1847 1848 1849 1850 1851
}

/**
 * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
 * @ha: HA context
 *
 * At exit, the @ha's flags.enable_64bit_addressing set to indicated
 * supported addressing method.
 */
static void
1852
qla2x00_config_dma_addressing(struct qla_hw_data *ha)
L
Linus Torvalds 已提交
1853
{
1854
	/* Assume a 32bit DMA mask. */
L
Linus Torvalds 已提交
1855 1856
	ha->flags.enable_64bit_addressing = 0;

1857
	if (!dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
1858 1859
		/* Any upper-dword bits set? */
		if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1860
		    !pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) {
1861
			/* Ok, a 64bit DMA mask is applicable. */
L
Linus Torvalds 已提交
1862
			ha->flags.enable_64bit_addressing = 1;
1863 1864
			ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
			ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
1865
			return;
L
Linus Torvalds 已提交
1866 1867
		}
	}
1868

1869 1870
	dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32));
	pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(32));
L
Linus Torvalds 已提交
1871 1872
}

1873
static void
1874
qla2x00_enable_intrs(struct qla_hw_data *ha)
1875 1876 1877 1878 1879 1880 1881 1882 1883 1884 1885 1886 1887 1888
{
	unsigned long flags = 0;
	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;

	spin_lock_irqsave(&ha->hardware_lock, flags);
	ha->interrupts_on = 1;
	/* enable risc and host interrupts */
	WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
	RD_REG_WORD(&reg->ictrl);
	spin_unlock_irqrestore(&ha->hardware_lock, flags);

}

static void
1889
qla2x00_disable_intrs(struct qla_hw_data *ha)
1890 1891 1892 1893 1894 1895 1896 1897 1898 1899 1900 1901 1902
{
	unsigned long flags = 0;
	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;

	spin_lock_irqsave(&ha->hardware_lock, flags);
	ha->interrupts_on = 0;
	/* disable risc and host interrupts */
	WRT_REG_WORD(&reg->ictrl, 0);
	RD_REG_WORD(&reg->ictrl);
	spin_unlock_irqrestore(&ha->hardware_lock, flags);
}

static void
1903
qla24xx_enable_intrs(struct qla_hw_data *ha)
1904 1905 1906 1907 1908 1909 1910 1911 1912 1913 1914 1915
{
	unsigned long flags = 0;
	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;

	spin_lock_irqsave(&ha->hardware_lock, flags);
	ha->interrupts_on = 1;
	WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
	RD_REG_DWORD(&reg->ictrl);
	spin_unlock_irqrestore(&ha->hardware_lock, flags);
}

static void
1916
qla24xx_disable_intrs(struct qla_hw_data *ha)
1917 1918 1919 1920
{
	unsigned long flags = 0;
	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;

1921 1922
	if (IS_NOPOLLING_TYPE(ha))
		return;
1923 1924 1925 1926 1927 1928 1929
	spin_lock_irqsave(&ha->hardware_lock, flags);
	ha->interrupts_on = 0;
	WRT_REG_DWORD(&reg->ictrl, 0);
	RD_REG_DWORD(&reg->ictrl);
	spin_unlock_irqrestore(&ha->hardware_lock, flags);
}

1930 1931 1932 1933 1934 1935 1936 1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990
static int
qla2x00_iospace_config(struct qla_hw_data *ha)
{
	resource_size_t pio;
	uint16_t msix;

	if (pci_request_selected_regions(ha->pdev, ha->bars,
	    QLA2XXX_DRIVER_NAME)) {
		ql_log_pci(ql_log_fatal, ha->pdev, 0x0011,
		    "Failed to reserve PIO/MMIO regions (%s), aborting.\n",
		    pci_name(ha->pdev));
		goto iospace_error_exit;
	}
	if (!(ha->bars & 1))
		goto skip_pio;

	/* We only need PIO for Flash operations on ISP2312 v2 chips. */
	pio = pci_resource_start(ha->pdev, 0);
	if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
		if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
			ql_log_pci(ql_log_warn, ha->pdev, 0x0012,
			    "Invalid pci I/O region size (%s).\n",
			    pci_name(ha->pdev));
			pio = 0;
		}
	} else {
		ql_log_pci(ql_log_warn, ha->pdev, 0x0013,
		    "Region #0 no a PIO resource (%s).\n",
		    pci_name(ha->pdev));
		pio = 0;
	}
	ha->pio_address = pio;
	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0014,
	    "PIO address=%llu.\n",
	    (unsigned long long)ha->pio_address);

skip_pio:
	/* Use MMIO operations for all accesses. */
	if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
		ql_log_pci(ql_log_fatal, ha->pdev, 0x0015,
		    "Region #1 not an MMIO resource (%s), aborting.\n",
		    pci_name(ha->pdev));
		goto iospace_error_exit;
	}
	if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
		ql_log_pci(ql_log_fatal, ha->pdev, 0x0016,
		    "Invalid PCI mem region size (%s), aborting.\n",
		    pci_name(ha->pdev));
		goto iospace_error_exit;
	}

	ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
	if (!ha->iobase) {
		ql_log_pci(ql_log_fatal, ha->pdev, 0x0017,
		    "Cannot remap MMIO (%s), aborting.\n",
		    pci_name(ha->pdev));
		goto iospace_error_exit;
	}

	/* Determine queue resources */
	ha->max_req_queues = ha->max_rsp_queues = 1;
1991
	ha->msix_count = QLA_BASE_VECTORS;
1992 1993
	if (!ql2xmqsupport || !ql2xnvmeenable ||
	    (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)))
1994 1995 1996 1997 1998 1999 2000 2001 2002
		goto mqiobase_exit;

	ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 3),
			pci_resource_len(ha->pdev, 3));
	if (ha->mqiobase) {
		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0018,
		    "MQIO Base=%p.\n", ha->mqiobase);
		/* Read MSIX vector size of the board */
		pci_read_config_word(ha->pdev, QLA_PCI_MSIX_CONTROL, &msix);
2003
		ha->msix_count = msix + 1;
2004
		/* Max queues are bounded by available msix vectors */
2005 2006 2007 2008 2009 2010 2011 2012
		/* MB interrupt uses 1 vector */
		ha->max_req_queues = ha->msix_count - 1;
		ha->max_rsp_queues = ha->max_req_queues;
		/* Queue pairs is the max value minus the base queue pair */
		ha->max_qpairs = ha->max_rsp_queues - 1;
		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0188,
		    "Max no of queues pairs: %d.\n", ha->max_qpairs);

2013
		ql_log_pci(ql_log_info, ha->pdev, 0x001a,
2014
		    "MSI-X vector count: %d.\n", ha->msix_count);
2015 2016 2017 2018 2019 2020
	} else
		ql_log_pci(ql_log_info, ha->pdev, 0x001b,
		    "BAR 3 not enabled.\n");

mqiobase_exit:
	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x001c,
2021
	    "MSIX Count: %d.\n", ha->msix_count);
2022 2023 2024 2025 2026 2027 2028
	return (0);

iospace_error_exit:
	return (-ENOMEM);
}


2029 2030 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040 2041 2042 2043 2044 2045 2046 2047 2048 2049 2050 2051 2052 2053 2054 2055 2056 2057 2058 2059 2060 2061 2062 2063 2064 2065 2066 2067 2068
static int
qla83xx_iospace_config(struct qla_hw_data *ha)
{
	uint16_t msix;

	if (pci_request_selected_regions(ha->pdev, ha->bars,
	    QLA2XXX_DRIVER_NAME)) {
		ql_log_pci(ql_log_fatal, ha->pdev, 0x0117,
		    "Failed to reserve PIO/MMIO regions (%s), aborting.\n",
		    pci_name(ha->pdev));

		goto iospace_error_exit;
	}

	/* Use MMIO operations for all accesses. */
	if (!(pci_resource_flags(ha->pdev, 0) & IORESOURCE_MEM)) {
		ql_log_pci(ql_log_warn, ha->pdev, 0x0118,
		    "Invalid pci I/O region size (%s).\n",
		    pci_name(ha->pdev));
		goto iospace_error_exit;
	}
	if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
		ql_log_pci(ql_log_warn, ha->pdev, 0x0119,
		    "Invalid PCI mem region size (%s), aborting\n",
			pci_name(ha->pdev));
		goto iospace_error_exit;
	}

	ha->iobase = ioremap(pci_resource_start(ha->pdev, 0), MIN_IOBASE_LEN);
	if (!ha->iobase) {
		ql_log_pci(ql_log_fatal, ha->pdev, 0x011a,
		    "Cannot remap MMIO (%s), aborting.\n",
		    pci_name(ha->pdev));
		goto iospace_error_exit;
	}

	/* 64bit PCI BAR - BAR2 will correspoond to region 4 */
	/* 83XX 26XX always use MQ type access for queues
	 * - mbar 2, a.k.a region 4 */
	ha->max_req_queues = ha->max_rsp_queues = 1;
2069
	ha->msix_count = QLA_BASE_VECTORS;
2070 2071 2072 2073 2074 2075 2076 2077 2078 2079 2080 2081 2082 2083 2084
	ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 4),
			pci_resource_len(ha->pdev, 4));

	if (!ha->mqiobase) {
		ql_log_pci(ql_log_fatal, ha->pdev, 0x011d,
		    "BAR2/region4 not enabled\n");
		goto mqiobase_exit;
	}

	ha->msixbase = ioremap(pci_resource_start(ha->pdev, 2),
			pci_resource_len(ha->pdev, 2));
	if (ha->msixbase) {
		/* Read MSIX vector size of the board */
		pci_read_config_word(ha->pdev,
		    QLA_83XX_PCI_MSIX_CONTROL, &msix);
2085
		ha->msix_count = (msix & PCI_MSIX_FLAGS_QSIZE)  + 1;
2086 2087 2088 2089
		/*
		 * By default, driver uses at least two msix vectors
		 * (default & rspq)
		 */
2090
		if (ql2xmqsupport || ql2xnvmeenable) {
2091 2092
			/* MB interrupt uses 1 vector */
			ha->max_req_queues = ha->msix_count - 1;
2093 2094 2095 2096 2097

			/* ATIOQ needs 1 vector. That's 1 less QPair */
			if (QLA_TGT_MODE_ENABLED())
				ha->max_req_queues--;

2098 2099
			ha->max_rsp_queues = ha->max_req_queues;

2100 2101 2102
			/* Queue pairs is the max value minus
			 * the base queue pair */
			ha->max_qpairs = ha->max_req_queues - 1;
2103
			ql_dbg_pci(ql_dbg_init, ha->pdev, 0x00e3,
2104
			    "Max no of queues pairs: %d.\n", ha->max_qpairs);
2105 2106
		}
		ql_log_pci(ql_log_info, ha->pdev, 0x011c,
2107
		    "MSI-X vector count: %d.\n", ha->msix_count);
2108 2109 2110 2111 2112 2113
	} else
		ql_log_pci(ql_log_info, ha->pdev, 0x011e,
		    "BAR 1 not enabled.\n");

mqiobase_exit:
	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011f,
2114
	    "MSIX Count: %d.\n", ha->msix_count);
2115 2116 2117 2118 2119 2120
	return 0;

iospace_error_exit:
	return -ENOMEM;
}

2121 2122 2123 2124 2125 2126 2127 2128 2129 2130 2131 2132 2133 2134 2135
static struct isp_operations qla2100_isp_ops = {
	.pci_config		= qla2100_pci_config,
	.reset_chip		= qla2x00_reset_chip,
	.chip_diag		= qla2x00_chip_diag,
	.config_rings		= qla2x00_config_rings,
	.reset_adapter		= qla2x00_reset_adapter,
	.nvram_config		= qla2x00_nvram_config,
	.update_fw_options	= qla2x00_update_fw_options,
	.load_risc		= qla2x00_load_risc,
	.pci_info_str		= qla2x00_pci_info_str,
	.fw_version_str		= qla2x00_fw_version_str,
	.intr_handler		= qla2100_intr_handler,
	.enable_intrs		= qla2x00_enable_intrs,
	.disable_intrs		= qla2x00_disable_intrs,
	.abort_command		= qla2x00_abort_command,
2136 2137
	.target_reset		= qla2x00_abort_target,
	.lun_reset		= qla2x00_lun_reset,
2138 2139 2140 2141 2142 2143 2144 2145 2146 2147 2148 2149 2150 2151 2152
	.fabric_login		= qla2x00_login_fabric,
	.fabric_logout		= qla2x00_fabric_logout,
	.calc_req_entries	= qla2x00_calc_iocbs_32,
	.build_iocbs		= qla2x00_build_scsi_iocbs_32,
	.prep_ms_iocb		= qla2x00_prep_ms_iocb,
	.prep_ms_fdmi_iocb	= qla2x00_prep_ms_fdmi_iocb,
	.read_nvram		= qla2x00_read_nvram_data,
	.write_nvram		= qla2x00_write_nvram_data,
	.fw_dump		= qla2100_fw_dump,
	.beacon_on		= NULL,
	.beacon_off		= NULL,
	.beacon_blink		= NULL,
	.read_optrom		= qla2x00_read_optrom_data,
	.write_optrom		= qla2x00_write_optrom_data,
	.get_flash_version	= qla2x00_get_flash_version,
2153
	.start_scsi		= qla2x00_start_scsi,
2154
	.start_scsi_mq          = NULL,
2155
	.abort_isp		= qla2x00_abort_isp,
2156
	.iospace_config     	= qla2x00_iospace_config,
2157
	.initialize_adapter	= qla2x00_initialize_adapter,
2158 2159 2160 2161 2162 2163 2164 2165 2166 2167 2168 2169 2170 2171 2172 2173 2174
};

static struct isp_operations qla2300_isp_ops = {
	.pci_config		= qla2300_pci_config,
	.reset_chip		= qla2x00_reset_chip,
	.chip_diag		= qla2x00_chip_diag,
	.config_rings		= qla2x00_config_rings,
	.reset_adapter		= qla2x00_reset_adapter,
	.nvram_config		= qla2x00_nvram_config,
	.update_fw_options	= qla2x00_update_fw_options,
	.load_risc		= qla2x00_load_risc,
	.pci_info_str		= qla2x00_pci_info_str,
	.fw_version_str		= qla2x00_fw_version_str,
	.intr_handler		= qla2300_intr_handler,
	.enable_intrs		= qla2x00_enable_intrs,
	.disable_intrs		= qla2x00_disable_intrs,
	.abort_command		= qla2x00_abort_command,
2175 2176
	.target_reset		= qla2x00_abort_target,
	.lun_reset		= qla2x00_lun_reset,
2177 2178 2179 2180 2181 2182 2183 2184 2185 2186 2187 2188 2189 2190 2191
	.fabric_login		= qla2x00_login_fabric,
	.fabric_logout		= qla2x00_fabric_logout,
	.calc_req_entries	= qla2x00_calc_iocbs_32,
	.build_iocbs		= qla2x00_build_scsi_iocbs_32,
	.prep_ms_iocb		= qla2x00_prep_ms_iocb,
	.prep_ms_fdmi_iocb	= qla2x00_prep_ms_fdmi_iocb,
	.read_nvram		= qla2x00_read_nvram_data,
	.write_nvram		= qla2x00_write_nvram_data,
	.fw_dump		= qla2300_fw_dump,
	.beacon_on		= qla2x00_beacon_on,
	.beacon_off		= qla2x00_beacon_off,
	.beacon_blink		= qla2x00_beacon_blink,
	.read_optrom		= qla2x00_read_optrom_data,
	.write_optrom		= qla2x00_write_optrom_data,
	.get_flash_version	= qla2x00_get_flash_version,
2192
	.start_scsi		= qla2x00_start_scsi,
2193
	.start_scsi_mq          = NULL,
2194
	.abort_isp		= qla2x00_abort_isp,
2195
	.iospace_config		= qla2x00_iospace_config,
2196
	.initialize_adapter	= qla2x00_initialize_adapter,
2197 2198 2199 2200 2201 2202 2203 2204 2205 2206 2207 2208 2209 2210 2211 2212 2213
};

static struct isp_operations qla24xx_isp_ops = {
	.pci_config		= qla24xx_pci_config,
	.reset_chip		= qla24xx_reset_chip,
	.chip_diag		= qla24xx_chip_diag,
	.config_rings		= qla24xx_config_rings,
	.reset_adapter		= qla24xx_reset_adapter,
	.nvram_config		= qla24xx_nvram_config,
	.update_fw_options	= qla24xx_update_fw_options,
	.load_risc		= qla24xx_load_risc,
	.pci_info_str		= qla24xx_pci_info_str,
	.fw_version_str		= qla24xx_fw_version_str,
	.intr_handler		= qla24xx_intr_handler,
	.enable_intrs		= qla24xx_enable_intrs,
	.disable_intrs		= qla24xx_disable_intrs,
	.abort_command		= qla24xx_abort_command,
2214 2215
	.target_reset		= qla24xx_abort_target,
	.lun_reset		= qla24xx_lun_reset,
2216 2217 2218 2219 2220 2221 2222 2223 2224 2225 2226 2227 2228 2229 2230
	.fabric_login		= qla24xx_login_fabric,
	.fabric_logout		= qla24xx_fabric_logout,
	.calc_req_entries	= NULL,
	.build_iocbs		= NULL,
	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
	.read_nvram		= qla24xx_read_nvram_data,
	.write_nvram		= qla24xx_write_nvram_data,
	.fw_dump		= qla24xx_fw_dump,
	.beacon_on		= qla24xx_beacon_on,
	.beacon_off		= qla24xx_beacon_off,
	.beacon_blink		= qla24xx_beacon_blink,
	.read_optrom		= qla24xx_read_optrom_data,
	.write_optrom		= qla24xx_write_optrom_data,
	.get_flash_version	= qla24xx_get_flash_version,
2231
	.start_scsi		= qla24xx_start_scsi,
2232
	.start_scsi_mq          = NULL,
2233
	.abort_isp		= qla2x00_abort_isp,
2234
	.iospace_config		= qla2x00_iospace_config,
2235
	.initialize_adapter	= qla2x00_initialize_adapter,
2236 2237
};

2238 2239 2240 2241 2242 2243 2244 2245 2246 2247 2248 2249 2250 2251 2252
static struct isp_operations qla25xx_isp_ops = {
	.pci_config		= qla25xx_pci_config,
	.reset_chip		= qla24xx_reset_chip,
	.chip_diag		= qla24xx_chip_diag,
	.config_rings		= qla24xx_config_rings,
	.reset_adapter		= qla24xx_reset_adapter,
	.nvram_config		= qla24xx_nvram_config,
	.update_fw_options	= qla24xx_update_fw_options,
	.load_risc		= qla24xx_load_risc,
	.pci_info_str		= qla24xx_pci_info_str,
	.fw_version_str		= qla24xx_fw_version_str,
	.intr_handler		= qla24xx_intr_handler,
	.enable_intrs		= qla24xx_enable_intrs,
	.disable_intrs		= qla24xx_disable_intrs,
	.abort_command		= qla24xx_abort_command,
2253 2254
	.target_reset		= qla24xx_abort_target,
	.lun_reset		= qla24xx_lun_reset,
2255 2256 2257 2258 2259 2260 2261 2262 2263 2264 2265 2266
	.fabric_login		= qla24xx_login_fabric,
	.fabric_logout		= qla24xx_fabric_logout,
	.calc_req_entries	= NULL,
	.build_iocbs		= NULL,
	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
	.read_nvram		= qla25xx_read_nvram_data,
	.write_nvram		= qla25xx_write_nvram_data,
	.fw_dump		= qla25xx_fw_dump,
	.beacon_on		= qla24xx_beacon_on,
	.beacon_off		= qla24xx_beacon_off,
	.beacon_blink		= qla24xx_beacon_blink,
2267
	.read_optrom		= qla25xx_read_optrom_data,
2268 2269
	.write_optrom		= qla24xx_write_optrom_data,
	.get_flash_version	= qla24xx_get_flash_version,
2270
	.start_scsi		= qla24xx_dif_start_scsi,
2271
	.start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2272
	.abort_isp		= qla2x00_abort_isp,
2273
	.iospace_config		= qla2x00_iospace_config,
2274
	.initialize_adapter	= qla2x00_initialize_adapter,
2275 2276
};

2277 2278 2279 2280 2281 2282 2283 2284
static struct isp_operations qla81xx_isp_ops = {
	.pci_config		= qla25xx_pci_config,
	.reset_chip		= qla24xx_reset_chip,
	.chip_diag		= qla24xx_chip_diag,
	.config_rings		= qla24xx_config_rings,
	.reset_adapter		= qla24xx_reset_adapter,
	.nvram_config		= qla81xx_nvram_config,
	.update_fw_options	= qla81xx_update_fw_options,
2285
	.load_risc		= qla81xx_load_risc,
2286 2287 2288 2289 2290 2291 2292 2293 2294 2295 2296 2297 2298 2299
	.pci_info_str		= qla24xx_pci_info_str,
	.fw_version_str		= qla24xx_fw_version_str,
	.intr_handler		= qla24xx_intr_handler,
	.enable_intrs		= qla24xx_enable_intrs,
	.disable_intrs		= qla24xx_disable_intrs,
	.abort_command		= qla24xx_abort_command,
	.target_reset		= qla24xx_abort_target,
	.lun_reset		= qla24xx_lun_reset,
	.fabric_login		= qla24xx_login_fabric,
	.fabric_logout		= qla24xx_fabric_logout,
	.calc_req_entries	= NULL,
	.build_iocbs		= NULL,
	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2300 2301
	.read_nvram		= NULL,
	.write_nvram		= NULL,
2302 2303 2304
	.fw_dump		= qla81xx_fw_dump,
	.beacon_on		= qla24xx_beacon_on,
	.beacon_off		= qla24xx_beacon_off,
2305
	.beacon_blink		= qla83xx_beacon_blink,
2306 2307 2308
	.read_optrom		= qla25xx_read_optrom_data,
	.write_optrom		= qla24xx_write_optrom_data,
	.get_flash_version	= qla24xx_get_flash_version,
2309
	.start_scsi		= qla24xx_dif_start_scsi,
2310
	.start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2311
	.abort_isp		= qla2x00_abort_isp,
2312
	.iospace_config		= qla2x00_iospace_config,
2313
	.initialize_adapter	= qla2x00_initialize_adapter,
2314 2315 2316 2317 2318 2319 2320 2321 2322 2323 2324
};

static struct isp_operations qla82xx_isp_ops = {
	.pci_config		= qla82xx_pci_config,
	.reset_chip		= qla82xx_reset_chip,
	.chip_diag		= qla24xx_chip_diag,
	.config_rings		= qla82xx_config_rings,
	.reset_adapter		= qla24xx_reset_adapter,
	.nvram_config		= qla81xx_nvram_config,
	.update_fw_options	= qla24xx_update_fw_options,
	.load_risc		= qla82xx_load_risc,
2325
	.pci_info_str		= qla24xx_pci_info_str,
2326 2327 2328 2329 2330 2331 2332 2333 2334 2335 2336 2337 2338 2339 2340
	.fw_version_str		= qla24xx_fw_version_str,
	.intr_handler		= qla82xx_intr_handler,
	.enable_intrs		= qla82xx_enable_intrs,
	.disable_intrs		= qla82xx_disable_intrs,
	.abort_command		= qla24xx_abort_command,
	.target_reset		= qla24xx_abort_target,
	.lun_reset		= qla24xx_lun_reset,
	.fabric_login		= qla24xx_login_fabric,
	.fabric_logout		= qla24xx_fabric_logout,
	.calc_req_entries	= NULL,
	.build_iocbs		= NULL,
	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
	.read_nvram		= qla24xx_read_nvram_data,
	.write_nvram		= qla24xx_write_nvram_data,
2341
	.fw_dump		= qla82xx_fw_dump,
2342 2343 2344
	.beacon_on		= qla82xx_beacon_on,
	.beacon_off		= qla82xx_beacon_off,
	.beacon_blink		= NULL,
2345 2346
	.read_optrom		= qla82xx_read_optrom_data,
	.write_optrom		= qla82xx_write_optrom_data,
2347
	.get_flash_version	= qla82xx_get_flash_version,
2348
	.start_scsi             = qla82xx_start_scsi,
2349
	.start_scsi_mq          = NULL,
2350
	.abort_isp		= qla82xx_abort_isp,
2351
	.iospace_config     	= qla82xx_iospace_config,
2352
	.initialize_adapter	= qla2x00_initialize_adapter,
2353 2354
};

2355 2356 2357 2358 2359 2360 2361 2362 2363 2364 2365 2366 2367 2368 2369 2370 2371 2372 2373 2374 2375 2376 2377 2378 2379
static struct isp_operations qla8044_isp_ops = {
	.pci_config		= qla82xx_pci_config,
	.reset_chip		= qla82xx_reset_chip,
	.chip_diag		= qla24xx_chip_diag,
	.config_rings		= qla82xx_config_rings,
	.reset_adapter		= qla24xx_reset_adapter,
	.nvram_config		= qla81xx_nvram_config,
	.update_fw_options	= qla24xx_update_fw_options,
	.load_risc		= qla82xx_load_risc,
	.pci_info_str		= qla24xx_pci_info_str,
	.fw_version_str		= qla24xx_fw_version_str,
	.intr_handler		= qla8044_intr_handler,
	.enable_intrs		= qla82xx_enable_intrs,
	.disable_intrs		= qla82xx_disable_intrs,
	.abort_command		= qla24xx_abort_command,
	.target_reset		= qla24xx_abort_target,
	.lun_reset		= qla24xx_lun_reset,
	.fabric_login		= qla24xx_login_fabric,
	.fabric_logout		= qla24xx_fabric_logout,
	.calc_req_entries	= NULL,
	.build_iocbs		= NULL,
	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
	.read_nvram		= NULL,
	.write_nvram		= NULL,
2380
	.fw_dump		= qla8044_fw_dump,
2381 2382 2383
	.beacon_on		= qla82xx_beacon_on,
	.beacon_off		= qla82xx_beacon_off,
	.beacon_blink		= NULL,
2384
	.read_optrom		= qla8044_read_optrom_data,
2385 2386 2387
	.write_optrom		= qla8044_write_optrom_data,
	.get_flash_version	= qla82xx_get_flash_version,
	.start_scsi             = qla82xx_start_scsi,
2388
	.start_scsi_mq          = NULL,
2389 2390 2391 2392 2393
	.abort_isp		= qla8044_abort_isp,
	.iospace_config		= qla82xx_iospace_config,
	.initialize_adapter	= qla2x00_initialize_adapter,
};

2394 2395 2396 2397 2398 2399 2400 2401 2402 2403 2404 2405 2406 2407 2408 2409 2410 2411 2412 2413 2414 2415 2416 2417 2418 2419 2420 2421 2422 2423 2424 2425 2426
static struct isp_operations qla83xx_isp_ops = {
	.pci_config		= qla25xx_pci_config,
	.reset_chip		= qla24xx_reset_chip,
	.chip_diag		= qla24xx_chip_diag,
	.config_rings		= qla24xx_config_rings,
	.reset_adapter		= qla24xx_reset_adapter,
	.nvram_config		= qla81xx_nvram_config,
	.update_fw_options	= qla81xx_update_fw_options,
	.load_risc		= qla81xx_load_risc,
	.pci_info_str		= qla24xx_pci_info_str,
	.fw_version_str		= qla24xx_fw_version_str,
	.intr_handler		= qla24xx_intr_handler,
	.enable_intrs		= qla24xx_enable_intrs,
	.disable_intrs		= qla24xx_disable_intrs,
	.abort_command		= qla24xx_abort_command,
	.target_reset		= qla24xx_abort_target,
	.lun_reset		= qla24xx_lun_reset,
	.fabric_login		= qla24xx_login_fabric,
	.fabric_logout		= qla24xx_fabric_logout,
	.calc_req_entries	= NULL,
	.build_iocbs		= NULL,
	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
	.read_nvram		= NULL,
	.write_nvram		= NULL,
	.fw_dump		= qla83xx_fw_dump,
	.beacon_on		= qla24xx_beacon_on,
	.beacon_off		= qla24xx_beacon_off,
	.beacon_blink		= qla83xx_beacon_blink,
	.read_optrom		= qla25xx_read_optrom_data,
	.write_optrom		= qla24xx_write_optrom_data,
	.get_flash_version	= qla24xx_get_flash_version,
	.start_scsi		= qla24xx_dif_start_scsi,
2427
	.start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2428 2429
	.abort_isp		= qla2x00_abort_isp,
	.iospace_config		= qla83xx_iospace_config,
2430 2431 2432 2433 2434 2435 2436 2437 2438 2439 2440 2441 2442 2443 2444 2445 2446
	.initialize_adapter	= qla2x00_initialize_adapter,
};

static struct isp_operations qlafx00_isp_ops = {
	.pci_config		= qlafx00_pci_config,
	.reset_chip		= qlafx00_soft_reset,
	.chip_diag		= qlafx00_chip_diag,
	.config_rings		= qlafx00_config_rings,
	.reset_adapter		= qlafx00_soft_reset,
	.nvram_config		= NULL,
	.update_fw_options	= NULL,
	.load_risc		= NULL,
	.pci_info_str		= qlafx00_pci_info_str,
	.fw_version_str		= qlafx00_fw_version_str,
	.intr_handler		= qlafx00_intr_handler,
	.enable_intrs		= qlafx00_enable_intrs,
	.disable_intrs		= qlafx00_disable_intrs,
2447
	.abort_command		= qla24xx_async_abort_command,
2448 2449 2450 2451 2452 2453 2454 2455 2456 2457 2458 2459 2460 2461 2462 2463 2464 2465
	.target_reset		= qlafx00_abort_target,
	.lun_reset		= qlafx00_lun_reset,
	.fabric_login		= NULL,
	.fabric_logout		= NULL,
	.calc_req_entries	= NULL,
	.build_iocbs		= NULL,
	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
	.read_nvram		= qla24xx_read_nvram_data,
	.write_nvram		= qla24xx_write_nvram_data,
	.fw_dump		= NULL,
	.beacon_on		= qla24xx_beacon_on,
	.beacon_off		= qla24xx_beacon_off,
	.beacon_blink		= NULL,
	.read_optrom		= qla24xx_read_optrom_data,
	.write_optrom		= qla24xx_write_optrom_data,
	.get_flash_version	= qla24xx_get_flash_version,
	.start_scsi		= qlafx00_start_scsi,
2466
	.start_scsi_mq          = NULL,
2467 2468 2469
	.abort_isp		= qlafx00_abort_isp,
	.iospace_config		= qlafx00_iospace_config,
	.initialize_adapter	= qlafx00_initialize_adapter,
2470 2471
};

2472 2473 2474 2475 2476 2477 2478 2479 2480 2481 2482 2483 2484 2485 2486 2487 2488 2489 2490 2491 2492 2493 2494 2495 2496 2497 2498 2499 2500 2501 2502 2503 2504
static struct isp_operations qla27xx_isp_ops = {
	.pci_config		= qla25xx_pci_config,
	.reset_chip		= qla24xx_reset_chip,
	.chip_diag		= qla24xx_chip_diag,
	.config_rings		= qla24xx_config_rings,
	.reset_adapter		= qla24xx_reset_adapter,
	.nvram_config		= qla81xx_nvram_config,
	.update_fw_options	= qla81xx_update_fw_options,
	.load_risc		= qla81xx_load_risc,
	.pci_info_str		= qla24xx_pci_info_str,
	.fw_version_str		= qla24xx_fw_version_str,
	.intr_handler		= qla24xx_intr_handler,
	.enable_intrs		= qla24xx_enable_intrs,
	.disable_intrs		= qla24xx_disable_intrs,
	.abort_command		= qla24xx_abort_command,
	.target_reset		= qla24xx_abort_target,
	.lun_reset		= qla24xx_lun_reset,
	.fabric_login		= qla24xx_login_fabric,
	.fabric_logout		= qla24xx_fabric_logout,
	.calc_req_entries	= NULL,
	.build_iocbs		= NULL,
	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
	.read_nvram		= NULL,
	.write_nvram		= NULL,
	.fw_dump		= qla27xx_fwdump,
	.beacon_on		= qla24xx_beacon_on,
	.beacon_off		= qla24xx_beacon_off,
	.beacon_blink		= qla83xx_beacon_blink,
	.read_optrom		= qla25xx_read_optrom_data,
	.write_optrom		= qla24xx_write_optrom_data,
	.get_flash_version	= qla24xx_get_flash_version,
	.start_scsi		= qla24xx_dif_start_scsi,
2505
	.start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2506 2507 2508 2509 2510
	.abort_isp		= qla2x00_abort_isp,
	.iospace_config		= qla83xx_iospace_config,
	.initialize_adapter	= qla2x00_initialize_adapter,
};

2511
static inline void
2512
qla2x00_set_isp_flags(struct qla_hw_data *ha)
2513 2514 2515 2516
{
	ha->device_type = DT_EXTENDED_IDS;
	switch (ha->pdev->device) {
	case PCI_DEVICE_ID_QLOGIC_ISP2100:
2517
		ha->isp_type |= DT_ISP2100;
2518
		ha->device_type &= ~DT_EXTENDED_IDS;
2519
		ha->fw_srisc_address = RISC_START_ADDRESS_2100;
2520 2521
		break;
	case PCI_DEVICE_ID_QLOGIC_ISP2200:
2522
		ha->isp_type |= DT_ISP2200;
2523
		ha->device_type &= ~DT_EXTENDED_IDS;
2524
		ha->fw_srisc_address = RISC_START_ADDRESS_2100;
2525 2526
		break;
	case PCI_DEVICE_ID_QLOGIC_ISP2300:
2527
		ha->isp_type |= DT_ISP2300;
2528
		ha->device_type |= DT_ZIO_SUPPORTED;
2529
		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2530 2531
		break;
	case PCI_DEVICE_ID_QLOGIC_ISP2312:
2532
		ha->isp_type |= DT_ISP2312;
2533
		ha->device_type |= DT_ZIO_SUPPORTED;
2534
		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2535 2536
		break;
	case PCI_DEVICE_ID_QLOGIC_ISP2322:
2537
		ha->isp_type |= DT_ISP2322;
2538
		ha->device_type |= DT_ZIO_SUPPORTED;
2539 2540 2541
		if (ha->pdev->subsystem_vendor == 0x1028 &&
		    ha->pdev->subsystem_device == 0x0170)
			ha->device_type |= DT_OEM_001;
2542
		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2543 2544
		break;
	case PCI_DEVICE_ID_QLOGIC_ISP6312:
2545
		ha->isp_type |= DT_ISP6312;
2546
		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2547 2548
		break;
	case PCI_DEVICE_ID_QLOGIC_ISP6322:
2549
		ha->isp_type |= DT_ISP6322;
2550
		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2551 2552
		break;
	case PCI_DEVICE_ID_QLOGIC_ISP2422:
2553
		ha->isp_type |= DT_ISP2422;
2554
		ha->device_type |= DT_ZIO_SUPPORTED;
2555
		ha->device_type |= DT_FWI2;
2556
		ha->device_type |= DT_IIDMA;
2557
		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2558 2559
		break;
	case PCI_DEVICE_ID_QLOGIC_ISP2432:
2560
		ha->isp_type |= DT_ISP2432;
2561
		ha->device_type |= DT_ZIO_SUPPORTED;
2562
		ha->device_type |= DT_FWI2;
2563
		ha->device_type |= DT_IIDMA;
2564
		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2565
		break;
2566
	case PCI_DEVICE_ID_QLOGIC_ISP8432:
2567
		ha->isp_type |= DT_ISP8432;
2568 2569 2570 2571 2572
		ha->device_type |= DT_ZIO_SUPPORTED;
		ha->device_type |= DT_FWI2;
		ha->device_type |= DT_IIDMA;
		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
		break;
2573
	case PCI_DEVICE_ID_QLOGIC_ISP5422:
2574
		ha->isp_type |= DT_ISP5422;
2575
		ha->device_type |= DT_FWI2;
2576
		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2577
		break;
2578
	case PCI_DEVICE_ID_QLOGIC_ISP5432:
2579
		ha->isp_type |= DT_ISP5432;
2580
		ha->device_type |= DT_FWI2;
2581
		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2582
		break;
2583
	case PCI_DEVICE_ID_QLOGIC_ISP2532:
2584
		ha->isp_type |= DT_ISP2532;
2585 2586 2587
		ha->device_type |= DT_ZIO_SUPPORTED;
		ha->device_type |= DT_FWI2;
		ha->device_type |= DT_IIDMA;
2588
		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2589
		break;
2590
	case PCI_DEVICE_ID_QLOGIC_ISP8001:
2591
		ha->isp_type |= DT_ISP8001;
2592 2593 2594 2595 2596
		ha->device_type |= DT_ZIO_SUPPORTED;
		ha->device_type |= DT_FWI2;
		ha->device_type |= DT_IIDMA;
		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
		break;
2597
	case PCI_DEVICE_ID_QLOGIC_ISP8021:
2598
		ha->isp_type |= DT_ISP8021;
2599 2600 2601 2602 2603 2604
		ha->device_type |= DT_ZIO_SUPPORTED;
		ha->device_type |= DT_FWI2;
		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
		/* Initialize 82XX ISP flags */
		qla82xx_init_flags(ha);
		break;
2605
	 case PCI_DEVICE_ID_QLOGIC_ISP8044:
2606
		ha->isp_type |= DT_ISP8044;
2607 2608 2609 2610 2611 2612
		ha->device_type |= DT_ZIO_SUPPORTED;
		ha->device_type |= DT_FWI2;
		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
		/* Initialize 82XX ISP flags */
		qla82xx_init_flags(ha);
		break;
2613
	case PCI_DEVICE_ID_QLOGIC_ISP2031:
2614
		ha->isp_type |= DT_ISP2031;
2615 2616 2617 2618 2619 2620 2621
		ha->device_type |= DT_ZIO_SUPPORTED;
		ha->device_type |= DT_FWI2;
		ha->device_type |= DT_IIDMA;
		ha->device_type |= DT_T10_PI;
		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
		break;
	case PCI_DEVICE_ID_QLOGIC_ISP8031:
2622
		ha->isp_type |= DT_ISP8031;
2623 2624 2625 2626 2627 2628
		ha->device_type |= DT_ZIO_SUPPORTED;
		ha->device_type |= DT_FWI2;
		ha->device_type |= DT_IIDMA;
		ha->device_type |= DT_T10_PI;
		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
		break;
2629
	case PCI_DEVICE_ID_QLOGIC_ISPF001:
2630
		ha->isp_type |= DT_ISPFX00;
2631
		break;
2632
	case PCI_DEVICE_ID_QLOGIC_ISP2071:
2633
		ha->isp_type |= DT_ISP2071;
2634 2635 2636
		ha->device_type |= DT_ZIO_SUPPORTED;
		ha->device_type |= DT_FWI2;
		ha->device_type |= DT_IIDMA;
2637
		ha->device_type |= DT_T10_PI;
2638 2639
		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
		break;
2640
	case PCI_DEVICE_ID_QLOGIC_ISP2271:
2641
		ha->isp_type |= DT_ISP2271;
2642 2643 2644
		ha->device_type |= DT_ZIO_SUPPORTED;
		ha->device_type |= DT_FWI2;
		ha->device_type |= DT_IIDMA;
2645
		ha->device_type |= DT_T10_PI;
2646 2647
		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
		break;
2648
	case PCI_DEVICE_ID_QLOGIC_ISP2261:
2649
		ha->isp_type |= DT_ISP2261;
2650 2651 2652
		ha->device_type |= DT_ZIO_SUPPORTED;
		ha->device_type |= DT_FWI2;
		ha->device_type |= DT_IIDMA;
2653
		ha->device_type |= DT_T10_PI;
2654 2655
		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
		break;
2656
	}
2657

2658
	if (IS_QLA82XX(ha))
2659
		ha->port_no = ha->portnum & 1;
2660
	else {
2661 2662
		/* Get adapter physical port no from interrupt pin register. */
		pci_read_config_byte(ha->pdev, PCI_INTERRUPT_PIN, &ha->port_no);
2663 2664 2665 2666 2667
		if (IS_QLA27XX(ha))
			ha->port_no--;
		else
			ha->port_no = !(ha->port_no & 1);
	}
2668

2669
	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x000b,
2670
	    "device_type=0x%x port=%d fw_srisc_address=0x%x.\n",
2671
	    ha->device_type, ha->port_no, ha->fw_srisc_address);
2672 2673
}

2674 2675 2676
static void
qla2xxx_scan_start(struct Scsi_Host *shost)
{
2677
	scsi_qla_host_t *vha = shost_priv(shost);
2678

2679 2680 2681
	if (vha->hw->flags.running_gold_fw)
		return;

2682 2683 2684 2685
	set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
	set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
	set_bit(RSCN_UPDATE, &vha->dpc_flags);
	set_bit(NPIV_CONFIG_NEEDED, &vha->dpc_flags);
2686 2687 2688 2689 2690
}

static int
qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
{
2691
	scsi_qla_host_t *vha = shost_priv(shost);
2692

2693 2694
	if (test_bit(UNLOADING, &vha->dpc_flags))
		return 1;
2695
	if (!vha->host)
2696
		return 1;
2697
	if (time > vha->hw->loop_reset_delay * HZ)
2698 2699
		return 1;

2700
	return atomic_read(&vha->loop_state) == LOOP_READY;
2701 2702
}

2703 2704 2705 2706
static void qla2x00_iocb_work_fn(struct work_struct *work)
{
	struct scsi_qla_host *vha = container_of(work,
		struct scsi_qla_host, iocb_work);
2707 2708 2709 2710 2711 2712 2713
	struct qla_hw_data *ha = vha->hw;
	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
	int i = 20;
	unsigned long flags;

	if (test_bit(UNLOADING, &base_vha->dpc_flags))
		return;
2714

2715
	while (!list_empty(&vha->work_list) && i > 0) {
2716
		qla2x00_do_work(vha);
2717
		i--;
2718
	}
2719 2720 2721 2722

	spin_lock_irqsave(&vha->work_lock, flags);
	clear_bit(IOCB_WORK_ACTIVE, &vha->dpc_flags);
	spin_unlock_irqrestore(&vha->work_lock, flags);
2723 2724
}

L
Linus Torvalds 已提交
2725 2726 2727
/*
 * PCI driver interface
 */
2728
static int
2729
qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
L
Linus Torvalds 已提交
2730
{
2731
	int	ret = -ENODEV;
L
Linus Torvalds 已提交
2732
	struct Scsi_Host *host;
2733 2734
	scsi_qla_host_t *base_vha = NULL;
	struct qla_hw_data *ha;
2735
	char pci_info[30];
2736
	char fw_str[30], wq_name[30];
2737
	struct scsi_host_template *sht;
2738
	int bars, mem_only = 0;
2739
	uint16_t req_length = 0, rsp_length = 0;
2740 2741
	struct req_que *req = NULL;
	struct rsp_que *rsp = NULL;
2742
	int i;
2743

2744
	bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
2745
	sht = &qla2xxx_driver_template;
2746
	if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
2747
	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
2748
	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
2749
	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
2750
	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
2751
	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532 ||
2752
	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001 ||
2753 2754
	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8021 ||
	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2031 ||
2755
	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8031 ||
2756
	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISPF001 ||
2757
	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8044 ||
2758
	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2071 ||
2759 2760
	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2271 ||
	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2261) {
2761
		bars = pci_select_bars(pdev, IORESOURCE_MEM);
2762
		mem_only = 1;
2763 2764
		ql_dbg_pci(ql_dbg_init, pdev, 0x0007,
		    "Mem only adapter.\n");
2765
	}
2766 2767
	ql_dbg_pci(ql_dbg_init, pdev, 0x0008,
	    "Bars=%d.\n", bars);
2768

2769 2770
	if (mem_only) {
		if (pci_enable_device_mem(pdev))
2771
			return ret;
2772 2773
	} else {
		if (pci_enable_device(pdev))
2774
			return ret;
2775
	}
2776

2777 2778
	/* This may fail but that's ok */
	pci_enable_pcie_error_reporting(pdev);
2779

2780 2781
	ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL);
	if (!ha) {
2782 2783
		ql_log_pci(ql_log_fatal, pdev, 0x0009,
		    "Unable to allocate memory for ha.\n");
2784
		goto disable_device;
L
Linus Torvalds 已提交
2785
	}
2786 2787
	ql_dbg_pci(ql_dbg_init, pdev, 0x000a,
	    "Memory allocated for ha=%p.\n", ha);
2788
	ha->pdev = pdev;
2789 2790
	INIT_LIST_HEAD(&ha->tgt.q_full_list);
	spin_lock_init(&ha->tgt.q_full_lock);
2791
	spin_lock_init(&ha->tgt.sess_lock);
2792 2793
	spin_lock_init(&ha->tgt.atio_lock);

2794
	atomic_set(&ha->nvme_active_aen_cnt, 0);
L
Linus Torvalds 已提交
2795 2796

	/* Clear our data area */
2797
	ha->bars = bars;
2798
	ha->mem_only = mem_only;
2799
	spin_lock_init(&ha->hardware_lock);
2800
	spin_lock_init(&ha->vport_slock);
2801
	mutex_init(&ha->selflogin_lock);
2802
	mutex_init(&ha->optrom_mutex);
L
Linus Torvalds 已提交
2803

2804 2805
	/* Set ISP-type information. */
	qla2x00_set_isp_flags(ha);
2806 2807

	/* Set EEH reset type to fundamental if required by hba */
2808
	if (IS_QLA24XX(ha) || IS_QLA25XX(ha) || IS_QLA81XX(ha) ||
2809
	    IS_QLA83XX(ha) || IS_QLA27XX(ha))
2810 2811
		pdev->needs_freset = 1;

2812 2813 2814 2815
	ha->prev_topology = 0;
	ha->init_cb_size = sizeof(init_cb_t);
	ha->link_data_rate = PORT_SPEED_UNKNOWN;
	ha->optrom_size = OPTROM_SIZE_2300;
2816
	ha->max_exchg = FW_MAX_EXCHANGES_CNT;
2817

2818
	/* Assign ISP specific operations. */
L
Linus Torvalds 已提交
2819
	if (IS_QLA2100(ha)) {
2820
		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
L
Linus Torvalds 已提交
2821
		ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
2822 2823 2824
		req_length = REQUEST_ENTRY_CNT_2100;
		rsp_length = RESPONSE_ENTRY_CNT_2100;
		ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
2825
		ha->gid_list_info_size = 4;
2826 2827 2828 2829
		ha->flash_conf_off = ~0;
		ha->flash_data_off = ~0;
		ha->nvram_conf_off = ~0;
		ha->nvram_data_off = ~0;
2830
		ha->isp_ops = &qla2100_isp_ops;
L
Linus Torvalds 已提交
2831
	} else if (IS_QLA2200(ha)) {
2832
		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
2833
		ha->mbx_count = MAILBOX_REGISTER_COUNT_2200;
2834 2835 2836
		req_length = REQUEST_ENTRY_CNT_2200;
		rsp_length = RESPONSE_ENTRY_CNT_2100;
		ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
2837
		ha->gid_list_info_size = 4;
2838 2839 2840 2841
		ha->flash_conf_off = ~0;
		ha->flash_data_off = ~0;
		ha->nvram_conf_off = ~0;
		ha->nvram_data_off = ~0;
2842
		ha->isp_ops = &qla2100_isp_ops;
2843
	} else if (IS_QLA23XX(ha)) {
2844
		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
L
Linus Torvalds 已提交
2845
		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2846 2847 2848
		req_length = REQUEST_ENTRY_CNT_2200;
		rsp_length = RESPONSE_ENTRY_CNT_2300;
		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2849
		ha->gid_list_info_size = 6;
2850 2851
		if (IS_QLA2322(ha) || IS_QLA6322(ha))
			ha->optrom_size = OPTROM_SIZE_2322;
2852 2853 2854 2855
		ha->flash_conf_off = ~0;
		ha->flash_data_off = ~0;
		ha->nvram_conf_off = ~0;
		ha->nvram_data_off = ~0;
2856
		ha->isp_ops = &qla2300_isp_ops;
2857
	} else if (IS_QLA24XX_TYPE(ha)) {
2858
		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2859
		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2860 2861
		req_length = REQUEST_ENTRY_CNT_24XX;
		rsp_length = RESPONSE_ENTRY_CNT_2300;
2862
		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2863
		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2864
		ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2865
		ha->gid_list_info_size = 8;
2866
		ha->optrom_size = OPTROM_SIZE_24XX;
2867
		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA24XX;
2868
		ha->isp_ops = &qla24xx_isp_ops;
2869 2870 2871 2872
		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2873
	} else if (IS_QLA25XX(ha)) {
2874
		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2875
		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2876 2877
		req_length = REQUEST_ENTRY_CNT_24XX;
		rsp_length = RESPONSE_ENTRY_CNT_2300;
2878
		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2879
		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2880 2881 2882
		ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
		ha->gid_list_info_size = 8;
		ha->optrom_size = OPTROM_SIZE_25XX;
2883
		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2884
		ha->isp_ops = &qla25xx_isp_ops;
2885 2886 2887 2888 2889
		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
	} else if (IS_QLA81XX(ha)) {
2890
		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2891 2892 2893
		ha->mbx_count = MAILBOX_REGISTER_COUNT;
		req_length = REQUEST_ENTRY_CNT_24XX;
		rsp_length = RESPONSE_ENTRY_CNT_2300;
2894
		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2895 2896 2897 2898
		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
		ha->gid_list_info_size = 8;
		ha->optrom_size = OPTROM_SIZE_81XX;
2899
		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2900 2901 2902 2903 2904
		ha->isp_ops = &qla81xx_isp_ops;
		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
		ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
		ha->nvram_conf_off = ~0;
		ha->nvram_data_off = ~0;
2905
	} else if (IS_QLA82XX(ha)) {
2906
		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2907 2908 2909 2910 2911 2912 2913
		ha->mbx_count = MAILBOX_REGISTER_COUNT;
		req_length = REQUEST_ENTRY_CNT_82XX;
		rsp_length = RESPONSE_ENTRY_CNT_82XX;
		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
		ha->gid_list_info_size = 8;
		ha->optrom_size = OPTROM_SIZE_82XX;
2914
		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2915 2916 2917 2918 2919
		ha->isp_ops = &qla82xx_isp_ops;
		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2920 2921 2922 2923 2924 2925 2926 2927 2928 2929 2930 2931 2932 2933 2934
	} else if (IS_QLA8044(ha)) {
		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
		ha->mbx_count = MAILBOX_REGISTER_COUNT;
		req_length = REQUEST_ENTRY_CNT_82XX;
		rsp_length = RESPONSE_ENTRY_CNT_82XX;
		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
		ha->gid_list_info_size = 8;
		ha->optrom_size = OPTROM_SIZE_83XX;
		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
		ha->isp_ops = &qla8044_isp_ops;
		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2935
	} else if (IS_QLA83XX(ha)) {
2936
		ha->portnum = PCI_FUNC(ha->pdev->devfn);
2937
		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2938
		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2939
		req_length = REQUEST_ENTRY_CNT_83XX;
Q
Quinn Tran 已提交
2940
		rsp_length = RESPONSE_ENTRY_CNT_83XX;
2941
		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2942 2943 2944 2945 2946 2947 2948 2949 2950 2951
		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
		ha->gid_list_info_size = 8;
		ha->optrom_size = OPTROM_SIZE_83XX;
		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
		ha->isp_ops = &qla83xx_isp_ops;
		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
		ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
		ha->nvram_conf_off = ~0;
		ha->nvram_data_off = ~0;
2952 2953 2954 2955 2956 2957 2958 2959 2960 2961
	}  else if (IS_QLAFX00(ha)) {
		ha->max_fibre_devices = MAX_FIBRE_DEVICES_FX00;
		ha->mbx_count = MAILBOX_REGISTER_COUNT_FX00;
		ha->aen_mbx_count = AEN_MAILBOX_REGISTER_COUNT_FX00;
		req_length = REQUEST_ENTRY_CNT_FX00;
		rsp_length = RESPONSE_ENTRY_CNT_FX00;
		ha->isp_ops = &qlafx00_isp_ops;
		ha->port_down_retry_count = 30; /* default value */
		ha->mr.fw_hbt_cnt = QLAFX00_HEARTBEAT_INTERVAL;
		ha->mr.fw_reset_timer_tick = QLAFX00_RESET_INTERVAL;
2962
		ha->mr.fw_critemp_timer_tick = QLAFX00_CRITEMP_INTERVAL;
2963
		ha->mr.fw_hbt_en = 1;
2964 2965
		ha->mr.host_info_resend = false;
		ha->mr.hinfo_resend_timer_tick = QLAFX00_HINFO_RESEND_INTERVAL;
2966 2967 2968 2969
	} else if (IS_QLA27XX(ha)) {
		ha->portnum = PCI_FUNC(ha->pdev->devfn);
		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
		ha->mbx_count = MAILBOX_REGISTER_COUNT;
Q
Quinn Tran 已提交
2970 2971
		req_length = REQUEST_ENTRY_CNT_83XX;
		rsp_length = RESPONSE_ENTRY_CNT_83XX;
2972
		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2973 2974 2975 2976 2977 2978 2979 2980 2981 2982
		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
		ha->gid_list_info_size = 8;
		ha->optrom_size = OPTROM_SIZE_83XX;
		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
		ha->isp_ops = &qla27xx_isp_ops;
		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
		ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
		ha->nvram_conf_off = ~0;
		ha->nvram_data_off = ~0;
L
Linus Torvalds 已提交
2983
	}
2984

2985 2986 2987
	ql_dbg_pci(ql_dbg_init, pdev, 0x001e,
	    "mbx_count=%d, req_length=%d, "
	    "rsp_length=%d, max_loop_id=%d, init_cb_size=%d, "
2988 2989
	    "gid_list_info_size=%d, optrom_size=%d, nvram_npiv_size=%d, "
	    "max_fibre_devices=%d.\n",
2990 2991
	    ha->mbx_count, req_length, rsp_length, ha->max_loop_id,
	    ha->init_cb_size, ha->gid_list_info_size, ha->optrom_size,
2992
	    ha->nvram_npiv_size, ha->max_fibre_devices);
2993 2994 2995 2996 2997
	ql_dbg_pci(ql_dbg_init, pdev, 0x001f,
	    "isp_ops=%p, flash_conf_off=%d, "
	    "flash_data_off=%d, nvram_conf_off=%d, nvram_data_off=%d.\n",
	    ha->isp_ops, ha->flash_conf_off, ha->flash_data_off,
	    ha->nvram_conf_off, ha->nvram_data_off);
2998 2999 3000 3001

	/* Configure PCI I/O space */
	ret = ha->isp_ops->iospace_config(ha);
	if (ret)
3002
		goto iospace_config_failed;
3003 3004 3005 3006

	ql_log_pci(ql_log_info, pdev, 0x001d,
	    "Found an ISP%04X irq %d iobase 0x%p.\n",
	    pdev->device, pdev->irq, ha->iobase);
3007
	mutex_init(&ha->vport_lock);
3008
	mutex_init(&ha->mq_lock);
3009 3010 3011
	init_completion(&ha->mbx_cmd_comp);
	complete(&ha->mbx_cmd_comp);
	init_completion(&ha->mbx_intr_comp);
3012
	init_completion(&ha->dcbx_comp);
3013
	init_completion(&ha->lb_portup_comp);
L
Linus Torvalds 已提交
3014

3015
	set_bit(0, (unsigned long *) ha->vp_idx_map);
L
Linus Torvalds 已提交
3016

3017
	qla2x00_config_dma_addressing(ha);
3018 3019 3020 3021
	ql_dbg_pci(ql_dbg_init, pdev, 0x0020,
	    "64 Bit addressing is %s.\n",
	    ha->flags.enable_64bit_addressing ? "enable" :
	    "disable");
3022
	ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp);
3023
	if (ret) {
3024 3025
		ql_log_pci(ql_log_fatal, pdev, 0x0031,
		    "Failed to allocate memory for adapter, aborting.\n");
L
Linus Torvalds 已提交
3026

3027 3028 3029
		goto probe_hw_failed;
	}

3030
	req->max_q_depth = MAX_Q_DEPTH;
3031
	if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
3032 3033
		req->max_q_depth = ql2xmaxqdepth;

3034 3035 3036

	base_vha = qla2x00_create_host(sht, ha);
	if (!base_vha) {
3037
		ret = -ENOMEM;
3038
		goto probe_hw_failed;
L
Linus Torvalds 已提交
3039 3040
	}

3041
	pci_set_drvdata(pdev, base_vha);
3042
	set_bit(PFLG_DRIVER_PROBING, &base_vha->pci_flags);
3043 3044

	host = base_vha->host;
3045
	base_vha->req = req;
3046
	if (IS_QLA2XXX_MIDTYPE(ha))
3047
		base_vha->mgmt_svr_loop_id = NPH_MGMT_SERVER;
3048
	else
3049 3050
		base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER +
						base_vha->vp_idx;
3051

3052 3053 3054 3055 3056 3057 3058 3059
	/* Setup fcport template structure. */
	ha->mr.fcport.vha = base_vha;
	ha->mr.fcport.port_type = FCT_UNKNOWN;
	ha->mr.fcport.loop_id = FC_NO_LOOP_ID;
	qla2x00_set_fcport_state(&ha->mr.fcport, FCS_UNCONFIGURED);
	ha->mr.fcport.supported_classes = FC_COS_UNSPECIFIED;
	ha->mr.fcport.scan_state = 1;

3060 3061 3062 3063 3064 3065 3066 3067
	/* Set the SG table size based on ISP type */
	if (!IS_FWI2_CAPABLE(ha)) {
		if (IS_QLA2100(ha))
			host->sg_tablesize = 32;
	} else {
		if (!IS_QLA82XX(ha))
			host->sg_tablesize = QLA_SG_ALL;
	}
3068
	host->max_id = ha->max_fibre_devices;
3069 3070
	host->cmd_per_lun = 3;
	host->unique_id = host->host_no;
3071
	if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif)
3072 3073 3074
		host->max_cmd_len = 32;
	else
		host->max_cmd_len = MAX_CMDSZ;
3075
	host->max_channel = MAX_BUSES - 1;
3076 3077 3078 3079 3080 3081
	/* Older HBAs support only 16-bit LUNs */
	if (!IS_QLAFX00(ha) && !IS_FWI2_CAPABLE(ha) &&
	    ql2xmaxlun > 0xffff)
		host->max_lun = 0xffff;
	else
		host->max_lun = ql2xmaxlun;
3082
	host->transportt = qla2xxx_transport_template;
3083
	sht->vendor_id = (SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC);
3084

3085 3086 3087
	ql_dbg(ql_dbg_init, base_vha, 0x0033,
	    "max_id=%d this_id=%d "
	    "cmd_per_len=%d unique_id=%d max_cmd_len=%d max_channel=%d "
3088
	    "max_lun=%llu transportt=%p, vendor_id=%llu.\n", host->max_id,
3089 3090 3091 3092
	    host->this_id, host->cmd_per_lun, host->unique_id,
	    host->max_cmd_len, host->max_channel, host->max_lun,
	    host->transportt, sht->vendor_id);

3093 3094
	INIT_WORK(&base_vha->iocb_work, qla2x00_iocb_work_fn);

3095 3096 3097
	/* Set up the irqs */
	ret = qla2x00_request_irqs(ha, rsp);
	if (ret)
3098
		goto probe_hw_failed;
3099

3100 3101 3102 3103 3104 3105 3106 3107
	/* Alloc arrays of request and response ring ptrs */
	if (!qla2x00_alloc_queues(ha, req, rsp)) {
		ql_log(ql_log_fatal, base_vha, 0x003d,
		    "Failed to allocate memory for queue pointers..."
		    "aborting.\n");
		goto probe_init_failed;
	}

3108 3109 3110 3111 3112 3113
	if (ha->mqenable && shost_use_blk_mq(host)) {
		/* number of hardware queues supported by blk/scsi-mq*/
		host->nr_hw_queues = ha->max_qpairs;

		ql_dbg(ql_dbg_init, base_vha, 0x0192,
			"blk/scsi-mq enabled, HW queues = %d.\n", host->nr_hw_queues);
3114 3115 3116 3117 3118 3119 3120 3121 3122 3123 3124
	} else {
		if (ql2xnvmeenable) {
			host->nr_hw_queues = ha->max_qpairs;
			ql_dbg(ql_dbg_init, base_vha, 0x0194,
			    "FC-NVMe support is enabled, HW queues=%d\n",
			    host->nr_hw_queues);
		} else {
			ql_dbg(ql_dbg_init, base_vha, 0x0193,
			    "blk/scsi-mq disabled.\n");
		}
	}
3125

3126
	qlt_probe_one_stage1(base_vha, ha);
3127

3128 3129
	pci_save_state(pdev);

3130
	/* Assign back pointers */
3131 3132
	rsp->req = req;
	req->rsp = rsp;
3133

3134 3135 3136 3137 3138 3139 3140
	if (IS_QLAFX00(ha)) {
		ha->rsp_q_map[0] = rsp;
		ha->req_q_map[0] = req;
		set_bit(0, ha->req_qid_map);
		set_bit(0, ha->rsp_qid_map);
	}

3141 3142 3143 3144 3145
	/* FWI2-capable only. */
	req->req_q_in = &ha->iobase->isp24.req_q_in;
	req->req_q_out = &ha->iobase->isp24.req_q_out;
	rsp->rsp_q_in = &ha->iobase->isp24.rsp_q_in;
	rsp->rsp_q_out = &ha->iobase->isp24.rsp_q_out;
3146
	if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
3147 3148 3149 3150
		req->req_q_in = &ha->mqiobase->isp25mq.req_q_in;
		req->req_q_out = &ha->mqiobase->isp25mq.req_q_out;
		rsp->rsp_q_in = &ha->mqiobase->isp25mq.rsp_q_in;
		rsp->rsp_q_out =  &ha->mqiobase->isp25mq.rsp_q_out;
3151 3152
	}

3153 3154 3155 3156 3157 3158 3159
	if (IS_QLAFX00(ha)) {
		req->req_q_in = &ha->iobase->ispfx00.req_q_in;
		req->req_q_out = &ha->iobase->ispfx00.req_q_out;
		rsp->rsp_q_in = &ha->iobase->ispfx00.rsp_q_in;
		rsp->rsp_q_out = &ha->iobase->ispfx00.rsp_q_out;
	}

3160
	if (IS_P3P_TYPE(ha)) {
3161 3162 3163 3164 3165
		req->req_q_out = &ha->iobase->isp82.req_q_out[0];
		rsp->rsp_q_in = &ha->iobase->isp82.rsp_q_in[0];
		rsp->rsp_q_out = &ha->iobase->isp82.rsp_q_out[0];
	}

3166 3167 3168 3169 3170 3171 3172 3173 3174 3175 3176 3177 3178 3179
	ql_dbg(ql_dbg_multiq, base_vha, 0xc009,
	    "rsp_q_map=%p req_q_map=%p rsp->req=%p req->rsp=%p.\n",
	    ha->rsp_q_map, ha->req_q_map, rsp->req, req->rsp);
	ql_dbg(ql_dbg_multiq, base_vha, 0xc00a,
	    "req->req_q_in=%p req->req_q_out=%p "
	    "rsp->rsp_q_in=%p rsp->rsp_q_out=%p.\n",
	    req->req_q_in, req->req_q_out,
	    rsp->rsp_q_in, rsp->rsp_q_out);
	ql_dbg(ql_dbg_init, base_vha, 0x003e,
	    "rsp_q_map=%p req_q_map=%p rsp->req=%p req->rsp=%p.\n",
	    ha->rsp_q_map, ha->req_q_map, rsp->req, req->rsp);
	ql_dbg(ql_dbg_init, base_vha, 0x003f,
	    "req->req_q_in=%p req->req_q_out=%p rsp->rsp_q_in=%p rsp->rsp_q_out=%p.\n",
	    req->req_q_in, req->req_q_out, rsp->rsp_q_in, rsp->rsp_q_out);
L
Linus Torvalds 已提交
3180

3181
	if (ha->isp_ops->initialize_adapter(base_vha)) {
3182 3183 3184
		ql_log(ql_log_fatal, base_vha, 0x00d6,
		    "Failed to initialize adapter - Adapter flags %x.\n",
		    base_vha->device_flags);
L
Linus Torvalds 已提交
3185

3186 3187 3188
		if (IS_QLA82XX(ha)) {
			qla82xx_idc_lock(ha);
			qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
3189
				QLA8XXX_DEV_FAILED);
3190
			qla82xx_idc_unlock(ha);
3191 3192
			ql_log(ql_log_fatal, base_vha, 0x00d7,
			    "HW State: FAILED.\n");
3193 3194 3195 3196 3197 3198 3199 3200
		} else if (IS_QLA8044(ha)) {
			qla8044_idc_lock(ha);
			qla8044_wr_direct(base_vha,
				QLA8044_CRB_DEV_STATE_INDEX,
				QLA8XXX_DEV_FAILED);
			qla8044_idc_unlock(ha);
			ql_log(ql_log_fatal, base_vha, 0x0150,
			    "HW State: FAILED.\n");
3201 3202
		}

3203
		ret = -ENODEV;
L
Linus Torvalds 已提交
3204 3205 3206
		goto probe_failed;
	}

3207 3208 3209 3210 3211 3212 3213 3214 3215 3216
	if (IS_QLAFX00(ha))
		host->can_queue = QLAFX00_MAX_CANQUEUE;
	else
		host->can_queue = req->num_outstanding_cmds - 10;

	ql_dbg(ql_dbg_init, base_vha, 0x0032,
	    "can_queue=%d, req=%p, mgmt_svr_loop_id=%d, sg_tablesize=%d.\n",
	    host->can_queue, base_vha->req,
	    base_vha->mgmt_svr_loop_id, host->sg_tablesize);

3217
	ha->wq = alloc_workqueue("qla2xxx_wq", 0, 0);
3218

3219 3220 3221 3222 3223 3224 3225 3226 3227 3228 3229 3230 3231 3232 3233 3234 3235
	if (ha->mqenable) {
		bool mq = false;
		bool startit = false;

		if (QLA_TGT_MODE_ENABLED()) {
			mq = true;
			startit = false;
		}

		if ((ql2x_ini_mode == QLA2XXX_INI_MODE_ENABLED) &&
		    shost_use_blk_mq(host)) {
			mq = true;
			startit = true;
		}

		if (mq) {
			/* Create start of day qpairs for Block MQ */
3236
			for (i = 0; i < ha->max_qpairs; i++)
3237
				qla2xxx_create_qpair(base_vha, 5, 0, startit);
3238 3239
		}
	}
3240

3241 3242 3243
	if (ha->flags.running_gold_fw)
		goto skip_dpc;

L
Linus Torvalds 已提交
3244 3245 3246
	/*
	 * Startup the kernel thread for this host adapter
	 */
3247
	ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
3248
	    "%s_dpc", base_vha->host_str);
3249
	if (IS_ERR(ha->dpc_thread)) {
3250 3251
		ql_log(ql_log_fatal, base_vha, 0x00ed,
		    "Failed to start DPC thread.\n");
3252
		ret = PTR_ERR(ha->dpc_thread);
3253
		ha->dpc_thread = NULL;
L
Linus Torvalds 已提交
3254 3255
		goto probe_failed;
	}
3256 3257
	ql_dbg(ql_dbg_init, base_vha, 0x00ee,
	    "DPC thread started successfully.\n");
L
Linus Torvalds 已提交
3258

3259 3260 3261 3262 3263 3264 3265 3266
	/*
	 * If we're not coming up in initiator mode, we might sit for
	 * a while without waking up the dpc thread, which leads to a
	 * stuck process warning.  So just kick the dpc once here and
	 * let the kthread start (and go back to sleep in qla2x00_do_dpc).
	 */
	qla2xxx_wake_dpc(base_vha);

3267 3268
	INIT_WORK(&ha->board_disable, qla2x00_disable_board_on_pci_error);

3269 3270 3271 3272 3273 3274 3275 3276 3277 3278 3279 3280 3281 3282
	if (IS_QLA8031(ha) || IS_MCTP_CAPABLE(ha)) {
		sprintf(wq_name, "qla2xxx_%lu_dpc_lp_wq", base_vha->host_no);
		ha->dpc_lp_wq = create_singlethread_workqueue(wq_name);
		INIT_WORK(&ha->idc_aen, qla83xx_service_idc_aen);

		sprintf(wq_name, "qla2xxx_%lu_dpc_hp_wq", base_vha->host_no);
		ha->dpc_hp_wq = create_singlethread_workqueue(wq_name);
		INIT_WORK(&ha->nic_core_reset, qla83xx_nic_core_reset_work);
		INIT_WORK(&ha->idc_state_handler,
		    qla83xx_idc_state_handler_work);
		INIT_WORK(&ha->nic_core_unrecoverable,
		    qla83xx_nic_core_unrecoverable_work);
	}

3283
skip_dpc:
3284 3285
	list_add_tail(&base_vha->list, &ha->vp_list);
	base_vha->host->irq = ha->pdev->irq;
L
Linus Torvalds 已提交
3286 3287

	/* Initialized the timer */
3288
	qla2x00_start_timer(base_vha, WATCH_INTERVAL);
3289 3290 3291 3292 3293 3294
	ql_dbg(ql_dbg_init, base_vha, 0x00ef,
	    "Started qla2x00_timer with "
	    "interval=%d.\n", WATCH_INTERVAL);
	ql_dbg(ql_dbg_init, base_vha, 0x00f0,
	    "Detected hba at address=%p.\n",
	    ha);
3295

3296
	if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
3297
		if (ha->fw_attributes & BIT_4) {
3298
			int prot = 0, guard;
3299
			base_vha->flags.difdix_supported = 1;
3300 3301
			ql_dbg(ql_dbg_init, base_vha, 0x00f1,
			    "Registering for DIF/DIX type 1 and 3 protection.\n");
3302 3303
			if (ql2xenabledif == 1)
				prot = SHOST_DIX_TYPE0_PROTECTION;
3304
			scsi_host_set_prot(host,
3305
			    prot | SHOST_DIF_TYPE1_PROTECTION
3306
			    | SHOST_DIF_TYPE2_PROTECTION
3307 3308
			    | SHOST_DIF_TYPE3_PROTECTION
			    | SHOST_DIX_TYPE1_PROTECTION
3309
			    | SHOST_DIX_TYPE2_PROTECTION
3310
			    | SHOST_DIX_TYPE3_PROTECTION);
3311 3312 3313 3314 3315 3316 3317 3318

			guard = SHOST_DIX_GUARD_CRC;

			if (IS_PI_IPGUARD_CAPABLE(ha) &&
			    (ql2xenabledif > 1 || IS_PI_DIFB_DIX0_CAPABLE(ha)))
				guard |= SHOST_DIX_GUARD_IP;

			scsi_host_set_guard(host, guard);
3319 3320 3321 3322
		} else
			base_vha->flags.difdix_supported = 0;
	}

3323 3324
	ha->isp_ops->enable_intrs(ha);

3325 3326 3327 3328 3329 3330 3331
	if (IS_QLAFX00(ha)) {
		ret = qlafx00_fx_disc(base_vha,
			&base_vha->hw->mr.fcport, FXDISC_GET_CONFIG_INFO);
		host->sg_tablesize = (ha->mr.extended_io_enabled) ?
		    QLA_SG_ALL : 128;
	}

3332 3333 3334 3335
	ret = scsi_add_host(host, &pdev->dev);
	if (ret)
		goto probe_failed;

3336 3337
	base_vha->flags.init_done = 1;
	base_vha->flags.online = 1;
3338
	ha->prev_minidump_failed = 0;
3339

3340 3341 3342
	ql_dbg(ql_dbg_init, base_vha, 0x00f2,
	    "Init done and hba is online.\n");

3343 3344
	if (qla_ini_mode_enabled(base_vha) ||
		qla_dual_mode_enabled(base_vha))
3345 3346 3347 3348
		scsi_scan_host(host);
	else
		ql_dbg(ql_dbg_init, base_vha, 0x0122,
			"skipping scsi_scan_host() for non-initiator port\n");
3349

3350
	qla2x00_alloc_sysfs_attr(base_vha);
3351

3352 3353 3354 3355 3356 3357 3358 3359 3360
	if (IS_QLAFX00(ha)) {
		ret = qlafx00_fx_disc(base_vha,
			&base_vha->hw->mr.fcport, FXDISC_GET_PORT_INFO);

		/* Register system information */
		ret =  qlafx00_fx_disc(base_vha,
			&base_vha->hw->mr.fcport, FXDISC_REG_HOST_INFO);
	}

3361
	qla2x00_init_host_attr(base_vha);
3362

3363
	qla2x00_dfs_setup(base_vha);
3364

3365 3366
	ql_log(ql_log_info, base_vha, 0x00fb,
	    "QLogic %s - %s.\n", ha->model_number, ha->model_desc);
3367 3368 3369 3370 3371
	ql_log(ql_log_info, base_vha, 0x00fc,
	    "ISP%04X: %s @ %s hdma%c host#=%ld fw=%s.\n",
	    pdev->device, ha->isp_ops->pci_info_str(base_vha, pci_info),
	    pci_name(pdev), ha->flags.enable_64bit_addressing ? '+' : '-',
	    base_vha->host_no,
3372
	    ha->isp_ops->fw_version_str(base_vha, fw_str, sizeof(fw_str)));
L
Linus Torvalds 已提交
3373

3374 3375
	qlt_add_target(ha, base_vha);

3376
	clear_bit(PFLG_DRIVER_PROBING, &base_vha->pci_flags);
3377 3378 3379 3380

	if (test_bit(UNLOADING, &base_vha->dpc_flags))
		return -ENODEV;

3381 3382 3383 3384 3385 3386 3387
	if (ha->flags.detected_lr_sfp) {
		ql_log(ql_log_info, base_vha, 0xffff,
		    "Reset chip to pick up LR SFP setting\n");
		set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
		qla2xxx_wake_dpc(base_vha);
	}

L
Linus Torvalds 已提交
3388 3389
	return 0;

3390
probe_init_failed:
3391
	qla2x00_free_req_que(ha, req);
3392 3393
	ha->req_q_map[0] = NULL;
	clear_bit(0, ha->req_qid_map);
3394
	qla2x00_free_rsp_que(ha, rsp);
3395 3396
	ha->rsp_q_map[0] = NULL;
	clear_bit(0, ha->rsp_qid_map);
3397
	ha->max_req_queues = ha->max_rsp_queues = 0;
3398

L
Linus Torvalds 已提交
3399
probe_failed:
3400 3401 3402 3403 3404 3405 3406 3407 3408 3409
	if (base_vha->timer_active)
		qla2x00_stop_timer(base_vha);
	base_vha->flags.online = 0;
	if (ha->dpc_thread) {
		struct task_struct *t = ha->dpc_thread;

		ha->dpc_thread = NULL;
		kthread_stop(t);
	}

3410
	qla2x00_free_device(base_vha);
L
Linus Torvalds 已提交
3411

3412
	scsi_host_put(base_vha->host);
L
Linus Torvalds 已提交
3413

3414
probe_hw_failed:
3415 3416 3417
	qla2x00_mem_free(ha);
	qla2x00_free_req_que(ha, req);
	qla2x00_free_rsp_que(ha, rsp);
3418 3419
	qla2x00_clear_drv_active(ha);

3420
iospace_config_failed:
3421
	if (IS_P3P_TYPE(ha)) {
3422
		if (!ha->nx_pcibase)
3423
			iounmap((device_reg_t *)ha->nx_pcibase);
3424
		if (!ql2xdbwr)
3425
			iounmap((device_reg_t *)ha->nxdb_wr_ptr);
3426 3427 3428
	} else {
		if (ha->iobase)
			iounmap(ha->iobase);
3429 3430
		if (ha->cregbase)
			iounmap(ha->cregbase);
3431
	}
3432 3433
	pci_release_selected_regions(ha->pdev, ha->bars);
	kfree(ha);
L
Linus Torvalds 已提交
3434

3435
disable_device:
3436
	pci_disable_device(pdev);
3437
	return ret;
L
Linus Torvalds 已提交
3438 3439
}

3440 3441 3442 3443 3444 3445 3446 3447 3448
static void
qla2x00_shutdown(struct pci_dev *pdev)
{
	scsi_qla_host_t *vha;
	struct qla_hw_data  *ha;

	vha = pci_get_drvdata(pdev);
	ha = vha->hw;

3449 3450 3451 3452 3453 3454 3455 3456 3457 3458 3459 3460 3461
	ql_log(ql_log_info, vha, 0xfffa,
		"Adapter shutdown\n");

	/*
	 * Prevent future board_disable and wait
	 * until any pending board_disable has completed.
	 */
	set_bit(PFLG_DRIVER_REMOVING, &vha->pci_flags);
	cancel_work_sync(&ha->board_disable);

	if (!atomic_read(&pdev->enable_cnt))
		return;

3462 3463 3464 3465
	/* Notify ISPFX00 firmware */
	if (IS_QLAFX00(ha))
		qlafx00_driver_shutdown(vha, 20);

3466 3467 3468 3469 3470 3471 3472 3473 3474 3475
	/* Turn-off FCE trace */
	if (ha->flags.fce_enabled) {
		qla2x00_disable_fce_trace(vha, NULL, NULL);
		ha->flags.fce_enabled = 0;
	}

	/* Turn-off EFT trace */
	if (ha->eft)
		qla2x00_disable_eft_trace(vha);

3476 3477 3478 3479 3480 3481 3482
	if (IS_QLA25XX(ha) ||  IS_QLA2031(ha) || IS_QLA27XX(ha)) {
		if (ha->flags.fw_started)
			qla2x00_abort_isp_cleanup(vha);
	} else {
		/* Stop currently executing firmware. */
		qla2x00_try_to_stop_firmware(vha);
	}
3483 3484 3485 3486 3487 3488 3489 3490 3491 3492 3493 3494 3495

	/* Turn adapter off line */
	vha->flags.online = 0;

	/* turn-off interrupts on the card */
	if (ha->interrupts_on) {
		vha->flags.init_done = 0;
		ha->isp_ops->disable_intrs(ha);
	}

	qla2x00_free_irqs(vha);

	qla2x00_free_fw_dump(ha);
3496 3497

	pci_disable_device(pdev);
3498 3499
	ql_log(ql_log_info, vha, 0xfffe,
		"Adapter shutdown successfully.\n");
3500 3501
}

3502
/* Deletes all the virtual ports for a given ha */
A
Adrian Bunk 已提交
3503
static void
3504
qla2x00_delete_all_vps(struct qla_hw_data *ha, scsi_qla_host_t *base_vha)
L
Linus Torvalds 已提交
3505
{
3506
	scsi_qla_host_t *vha;
3507
	unsigned long flags;
3508

3509 3510 3511
	mutex_lock(&ha->vport_lock);
	while (ha->cur_vport_count) {
		spin_lock_irqsave(&ha->vport_slock, flags);
3512

3513 3514 3515
		BUG_ON(base_vha->list.next == &ha->vp_list);
		/* This assumes first entry in ha->vp_list is always base vha */
		vha = list_first_entry(&base_vha->list, scsi_qla_host_t, list);
3516
		scsi_host_get(vha->host);
3517

3518 3519 3520 3521 3522
		spin_unlock_irqrestore(&ha->vport_slock, flags);
		mutex_unlock(&ha->vport_lock);

		fc_vport_terminate(vha->fc_vport);
		scsi_host_put(vha->host);
3523

3524
		mutex_lock(&ha->vport_lock);
3525
	}
3526
	mutex_unlock(&ha->vport_lock);
3527
}
L
Linus Torvalds 已提交
3528

3529 3530 3531 3532
/* Stops all deferred work threads */
static void
qla2x00_destroy_deferred_work(struct qla_hw_data *ha)
{
3533 3534 3535 3536 3537 3538 3539 3540 3541 3542 3543 3544 3545 3546 3547
	/* Cancel all work and destroy DPC workqueues */
	if (ha->dpc_lp_wq) {
		cancel_work_sync(&ha->idc_aen);
		destroy_workqueue(ha->dpc_lp_wq);
		ha->dpc_lp_wq = NULL;
	}

	if (ha->dpc_hp_wq) {
		cancel_work_sync(&ha->nic_core_reset);
		cancel_work_sync(&ha->idc_state_handler);
		cancel_work_sync(&ha->nic_core_unrecoverable);
		destroy_workqueue(ha->dpc_hp_wq);
		ha->dpc_hp_wq = NULL;
	}

3548 3549 3550 3551 3552 3553 3554 3555 3556 3557 3558
	/* Kill the kernel thread for this host */
	if (ha->dpc_thread) {
		struct task_struct *t = ha->dpc_thread;

		/*
		 * qla2xxx_wake_dpc checks for ->dpc_thread
		 * so we need to zero it out.
		 */
		ha->dpc_thread = NULL;
		kthread_stop(t);
	}
3559
}
L
Linus Torvalds 已提交
3560

3561 3562 3563
static void
qla2x00_unmap_iobases(struct qla_hw_data *ha)
{
3564
	if (IS_QLA82XX(ha)) {
3565

3566
		iounmap((device_reg_t *)ha->nx_pcibase);
3567
		if (!ql2xdbwr)
3568
			iounmap((device_reg_t *)ha->nxdb_wr_ptr);
3569 3570 3571
	} else {
		if (ha->iobase)
			iounmap(ha->iobase);
L
Linus Torvalds 已提交
3572

3573 3574 3575
		if (ha->cregbase)
			iounmap(ha->cregbase);

3576 3577
		if (ha->mqiobase)
			iounmap(ha->mqiobase);
3578

3579
		if ((IS_QLA83XX(ha) || IS_QLA27XX(ha)) && ha->msixbase)
3580
			iounmap(ha->msixbase);
3581
	}
3582 3583 3584
}

static void
3585
qla2x00_clear_drv_active(struct qla_hw_data *ha)
3586 3587 3588
{
	if (IS_QLA8044(ha)) {
		qla8044_idc_lock(ha);
3589
		qla8044_clear_drv_active(ha);
3590 3591 3592 3593 3594 3595 3596 3597 3598 3599 3600 3601 3602 3603
		qla8044_idc_unlock(ha);
	} else if (IS_QLA82XX(ha)) {
		qla82xx_idc_lock(ha);
		qla82xx_clear_drv_active(ha);
		qla82xx_idc_unlock(ha);
	}
}

static void
qla2x00_remove_one(struct pci_dev *pdev)
{
	scsi_qla_host_t *base_vha;
	struct qla_hw_data  *ha;

3604 3605 3606 3607 3608 3609 3610 3611
	base_vha = pci_get_drvdata(pdev);
	ha = base_vha->hw;

	/* Indicate device removal to prevent future board_disable and wait
	 * until any pending board_disable has completed. */
	set_bit(PFLG_DRIVER_REMOVING, &base_vha->pci_flags);
	cancel_work_sync(&ha->board_disable);

3612
	/*
3613 3614 3615
	 * If the PCI device is disabled then there was a PCI-disconnect and
	 * qla2x00_disable_board_on_pci_error has taken care of most of the
	 * resources.
3616
	 */
3617
	if (!atomic_read(&pdev->enable_cnt)) {
3618 3619 3620
		dma_free_coherent(&ha->pdev->dev, base_vha->gnl.size,
		    base_vha->gnl.l, base_vha->gnl.ldma);

3621 3622 3623
		scsi_host_put(base_vha->host);
		kfree(ha);
		pci_set_drvdata(pdev, NULL);
3624
		return;
3625
	}
3626 3627
	qla2x00_wait_for_hba_ready(base_vha);

3628 3629
	qla2x00_wait_for_sess_deletion(base_vha);

3630 3631
	/*
	 * if UNLOAD flag is already set, then continue unload,
3632 3633 3634 3635 3636
	 * where it was set first.
	 */
	if (test_bit(UNLOADING, &base_vha->dpc_flags))
		return;

3637
	set_bit(UNLOADING, &base_vha->dpc_flags);
3638 3639 3640

	qla_nvme_delete(base_vha);

3641 3642
	dma_free_coherent(&ha->pdev->dev,
		base_vha->gnl.size, base_vha->gnl.l, base_vha->gnl.ldma);
3643

3644 3645
	vfree(base_vha->scan.l);

3646 3647 3648 3649 3650 3651 3652 3653 3654 3655 3656 3657 3658 3659 3660 3661 3662 3663 3664 3665 3666 3667 3668 3669 3670
	if (IS_QLAFX00(ha))
		qlafx00_driver_shutdown(base_vha, 20);

	qla2x00_delete_all_vps(ha, base_vha);

	if (IS_QLA8031(ha)) {
		ql_dbg(ql_dbg_p3p, base_vha, 0xb07e,
		    "Clearing fcoe driver presence.\n");
		if (qla83xx_clear_drv_presence(base_vha) != QLA_SUCCESS)
			ql_dbg(ql_dbg_p3p, base_vha, 0xb079,
			    "Error while clearing DRV-Presence.\n");
	}

	qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);

	qla2x00_dfs_remove(base_vha);

	qla84xx_put_chip(base_vha);

	/* Disable timer */
	if (base_vha->timer_active)
		qla2x00_stop_timer(base_vha);

	base_vha->flags.online = 0;

3671 3672 3673 3674
	/* free DMA memory */
	if (ha->exlogin_buf)
		qla2x00_free_exlogin_buffer(ha);

3675 3676 3677 3678
	/* free DMA memory */
	if (ha->exchoffld_buf)
		qla2x00_free_exchoffld_buffer(ha);

3679 3680 3681 3682 3683 3684 3685
	qla2x00_destroy_deferred_work(ha);

	qlt_remove_target(ha, base_vha);

	qla2x00_free_sysfs_attr(base_vha, true);

	fc_remove_host(base_vha->host);
3686
	qlt_remove_target_resources(ha);
3687 3688 3689 3690 3691

	scsi_remove_host(base_vha->host);

	qla2x00_free_device(base_vha);

3692
	qla2x00_clear_drv_active(ha);
3693

3694 3695
	scsi_host_put(base_vha->host);

3696
	qla2x00_unmap_iobases(ha);
3697

3698 3699
	pci_release_selected_regions(ha->pdev, ha->bars);
	kfree(ha);
L
Linus Torvalds 已提交
3700

3701 3702
	pci_disable_pcie_error_reporting(pdev);

3703
	pci_disable_device(pdev);
L
Linus Torvalds 已提交
3704 3705 3706
}

static void
3707
qla2x00_free_device(scsi_qla_host_t *vha)
L
Linus Torvalds 已提交
3708
{
3709
	struct qla_hw_data *ha = vha->hw;
L
Linus Torvalds 已提交
3710

3711 3712 3713 3714 3715 3716
	qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);

	/* Disable timer */
	if (vha->timer_active)
		qla2x00_stop_timer(vha);

3717
	qla25xx_delete_queues(vha);
3718

3719
	if (ha->flags.fce_enabled)
3720
		qla2x00_disable_fce_trace(vha, NULL, NULL);
3721

3722
	if (ha->eft)
3723
		qla2x00_disable_eft_trace(vha);
3724

3725 3726 3727 3728 3729 3730 3731 3732 3733 3734
	if (IS_QLA25XX(ha) ||  IS_QLA2031(ha) || IS_QLA27XX(ha)) {
		if (ha->flags.fw_started)
			qla2x00_abort_isp_cleanup(vha);
	} else {
		if (ha->flags.fw_started) {
			/* Stop currently executing firmware. */
			qla2x00_try_to_stop_firmware(vha);
			ha->flags.fw_started = 0;
		}
	}
L
Linus Torvalds 已提交
3735

3736 3737
	vha->flags.online = 0;

3738
	/* turn-off interrupts on the card */
3739 3740
	if (ha->interrupts_on) {
		vha->flags.init_done = 0;
3741
		ha->isp_ops->disable_intrs(ha);
3742
	}
3743

3744 3745
	qla2x00_free_fcports(vha);

3746
	qla2x00_free_irqs(vha);
L
Linus Torvalds 已提交
3747

3748 3749 3750 3751 3752 3753 3754
	/* Flush the work queue and remove it */
	if (ha->wq) {
		flush_workqueue(ha->wq);
		destroy_workqueue(ha->wq);
		ha->wq = NULL;
	}

3755

3756
	qla2x00_mem_free(ha);
3757

3758 3759
	qla82xx_md_free(vha);

3760
	qla2x00_free_queues(ha);
L
Linus Torvalds 已提交
3761 3762
}

3763 3764 3765 3766 3767 3768
void qla2x00_free_fcports(struct scsi_qla_host *vha)
{
	fc_port_t *fcport, *tfcport;

	list_for_each_entry_safe(fcport, tfcport, &vha->vp_fcports, list) {
		list_del(&fcport->list);
3769
		qla2x00_clear_loop_id(fcport);
3770 3771 3772 3773
		kfree(fcport);
	}
}

3774
static inline void
3775
qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport,
3776 3777 3778
    int defer)
{
	struct fc_rport *rport;
3779
	scsi_qla_host_t *base_vha;
3780
	unsigned long flags;
3781 3782 3783 3784 3785 3786

	if (!fcport->rport)
		return;

	rport = fcport->rport;
	if (defer) {
3787
		base_vha = pci_get_drvdata(vha->hw->pdev);
3788
		spin_lock_irqsave(vha->host->host_lock, flags);
3789
		fcport->drport = rport;
3790
		spin_unlock_irqrestore(vha->host->host_lock, flags);
3791
		qlt_do_generation_tick(vha, &base_vha->total_fcport_update_gen);
3792 3793
		set_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
		qla2xxx_wake_dpc(base_vha);
3794
	} else {
3795
		int now;
3796
		if (rport) {
3797 3798 3799 3800
			ql_dbg(ql_dbg_disc, fcport->vha, 0x2109,
			    "%s %8phN. rport %p roles %x\n",
			    __func__, fcport->port_name, rport,
			    rport->roles);
3801
			fc_remote_port_delete(rport);
3802
		}
3803
		qlt_do_generation_tick(vha, &now);
3804
	}
3805 3806
}

L
Linus Torvalds 已提交
3807 3808 3809 3810 3811 3812 3813 3814 3815
/*
 * qla2x00_mark_device_lost Updates fcport state when device goes offline.
 *
 * Input: ha = adapter block pointer.  fcport = port structure pointer.
 *
 * Return: None.
 *
 * Context:
 */
3816
void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport,
3817
    int do_login, int defer)
L
Linus Torvalds 已提交
3818
{
3819 3820 3821 3822 3823 3824
	if (IS_QLAFX00(vha->hw)) {
		qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
		qla2x00_schedule_rport_del(vha, fcport, defer);
		return;
	}

3825
	if (atomic_read(&fcport->state) == FCS_ONLINE &&
3826
	    vha->vp_idx == fcport->vha->vp_idx) {
3827
		qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3828 3829
		qla2x00_schedule_rport_del(vha, fcport, defer);
	}
A
Andrew Vasquez 已提交
3830
	/*
L
Linus Torvalds 已提交
3831 3832 3833 3834
	 * We may need to retry the login, so don't change the state of the
	 * port but do the retries.
	 */
	if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
3835
		qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
L
Linus Torvalds 已提交
3836 3837 3838 3839

	if (!do_login)
		return;

3840 3841
	set_bit(RELOGIN_NEEDED, &vha->dpc_flags);

L
Linus Torvalds 已提交
3842
	if (fcport->login_retry == 0) {
3843
		fcport->login_retry = vha->hw->login_retry_count;
L
Linus Torvalds 已提交
3844

3845
		ql_dbg(ql_dbg_disc, vha, 0x20a3,
3846
		    "Port login retry %8phN, lid 0x%04x retry cnt=%d.\n",
3847
		    fcport->port_name, fcport->loop_id, fcport->login_retry);
L
Linus Torvalds 已提交
3848 3849 3850 3851 3852 3853 3854 3855 3856 3857 3858 3859 3860 3861 3862 3863 3864
	}
}

/*
 * qla2x00_mark_all_devices_lost
 *	Updates fcport state when device goes offline.
 *
 * Input:
 *	ha = adapter block pointer.
 *	fcport = port structure pointer.
 *
 * Return:
 *	None.
 *
 * Context:
 */
void
3865
qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha, int defer)
L
Linus Torvalds 已提交
3866 3867 3868
{
	fc_port_t *fcport;

3869 3870
	ql_dbg(ql_dbg_disc, vha, 0x20f1,
	    "Mark all dev lost\n");
3871

3872
	list_for_each_entry(fcport, &vha->vp_fcports, list) {
3873
		fcport->scan_state = 0;
3874
		qlt_schedule_sess_for_deletion(fcport);
3875

3876
		if (vha->vp_idx != 0 && vha->vp_idx != fcport->vha->vp_idx)
L
Linus Torvalds 已提交
3877
			continue;
3878

L
Linus Torvalds 已提交
3879 3880 3881 3882 3883 3884
		/*
		 * No point in marking the device as lost, if the device is
		 * already DEAD.
		 */
		if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
			continue;
3885
		if (atomic_read(&fcport->state) == FCS_ONLINE) {
3886
			qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3887 3888
			if (defer)
				qla2x00_schedule_rport_del(vha, fcport, defer);
3889
			else if (vha->vp_idx == fcport->vha->vp_idx)
3890 3891
				qla2x00_schedule_rport_del(vha, fcport, defer);
		}
L
Linus Torvalds 已提交
3892 3893 3894 3895 3896 3897 3898 3899 3900
	}
}

/*
* qla2x00_mem_alloc
*      Allocates adapter memory.
*
* Returns:
*      0  = success.
3901
*      !0  = failure.
L
Linus Torvalds 已提交
3902
*/
3903
static int
3904 3905
qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
	struct req_que **req, struct rsp_que **rsp)
L
Linus Torvalds 已提交
3906 3907 3908
{
	char	name[16];

3909
	ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
3910
		&ha->init_cb_dma, GFP_KERNEL);
3911
	if (!ha->init_cb)
3912
		goto fail;
3913

3914 3915 3916
	if (qlt_mem_alloc(ha) < 0)
		goto fail_free_init_cb;

3917 3918
	ha->gid_list = dma_alloc_coherent(&ha->pdev->dev,
		qla2x00_gid_list_size(ha), &ha->gid_list_dma, GFP_KERNEL);
3919
	if (!ha->gid_list)
3920
		goto fail_free_tgt_mem;
L
Linus Torvalds 已提交
3921

3922 3923
	ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
	if (!ha->srb_mempool)
3924
		goto fail_free_gid_list;
3925

3926
	if (IS_P3P_TYPE(ha)) {
3927 3928 3929 3930 3931 3932
		/* Allocate cache for CT6 Ctx. */
		if (!ctx_cachep) {
			ctx_cachep = kmem_cache_create("qla2xxx_ctx",
				sizeof(struct ct6_dsd), 0,
				SLAB_HWCACHE_ALIGN, NULL);
			if (!ctx_cachep)
3933
				goto fail_free_srb_mempool;
3934 3935 3936 3937 3938
		}
		ha->ctx_mempool = mempool_create_slab_pool(SRB_MIN_REQ,
			ctx_cachep);
		if (!ha->ctx_mempool)
			goto fail_free_srb_mempool;
3939 3940 3941
		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0021,
		    "ctx_cachep=%p ctx_mempool=%p.\n",
		    ctx_cachep, ha->ctx_mempool);
3942 3943
	}

3944 3945 3946
	/* Get memory for cached NVRAM */
	ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
	if (!ha->nvram)
3947
		goto fail_free_ctx_mempool;
3948

3949 3950 3951 3952 3953 3954 3955
	snprintf(name, sizeof(name), "%s_%d", QLA2XXX_DRIVER_NAME,
		ha->pdev->device);
	ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
		DMA_POOL_SIZE, 8, 0);
	if (!ha->s_dma_pool)
		goto fail_free_nvram;

3956 3957 3958 3959
	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0022,
	    "init_cb=%p gid_list=%p, srb_mempool=%p s_dma_pool=%p.\n",
	    ha->init_cb, ha->gid_list, ha->srb_mempool, ha->s_dma_pool);

3960
	if (IS_P3P_TYPE(ha) || ql2xenabledif) {
3961 3962 3963
		ha->dl_dma_pool = dma_pool_create(name, &ha->pdev->dev,
			DSD_LIST_DMA_POOL_SIZE, 8, 0);
		if (!ha->dl_dma_pool) {
3964 3965
			ql_log_pci(ql_log_fatal, ha->pdev, 0x0023,
			    "Failed to allocate memory for dl_dma_pool.\n");
3966 3967 3968 3969 3970 3971
			goto fail_s_dma_pool;
		}

		ha->fcp_cmnd_dma_pool = dma_pool_create(name, &ha->pdev->dev,
			FCP_CMND_DMA_POOL_SIZE, 8, 0);
		if (!ha->fcp_cmnd_dma_pool) {
3972 3973
			ql_log_pci(ql_log_fatal, ha->pdev, 0x0024,
			    "Failed to allocate memory for fcp_cmnd_dma_pool.\n");
3974 3975
			goto fail_dl_dma_pool;
		}
3976 3977 3978
		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0025,
		    "dl_dma_pool=%p fcp_cmnd_dma_pool=%p.\n",
		    ha->dl_dma_pool, ha->fcp_cmnd_dma_pool);
3979 3980
	}

3981 3982
	/* Allocate memory for SNS commands */
	if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
3983
	/* Get consistent memory allocated for SNS commands */
3984
		ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
3985
		sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
3986
		if (!ha->sns_cmd)
3987
			goto fail_dma_pool;
3988
		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0026,
3989
		    "sns_cmd: %p.\n", ha->sns_cmd);
3990
	} else {
3991
	/* Get consistent memory allocated for MS IOCB */
3992
		ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
3993
			&ha->ms_iocb_dma);
3994
		if (!ha->ms_iocb)
3995 3996
			goto fail_dma_pool;
	/* Get consistent memory allocated for CT SNS commands */
3997
		ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
3998
			sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
3999 4000
		if (!ha->ct_sns)
			goto fail_free_ms_iocb;
4001 4002 4003
		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0027,
		    "ms_iocb=%p ct_sns=%p.\n",
		    ha->ms_iocb, ha->ct_sns);
L
Linus Torvalds 已提交
4004 4005
	}

4006
	/* Allocate memory for request ring */
4007 4008
	*req = kzalloc(sizeof(struct req_que), GFP_KERNEL);
	if (!*req) {
4009 4010
		ql_log_pci(ql_log_fatal, ha->pdev, 0x0028,
		    "Failed to allocate memory for req.\n");
4011 4012
		goto fail_req;
	}
4013 4014 4015 4016 4017
	(*req)->length = req_len;
	(*req)->ring = dma_alloc_coherent(&ha->pdev->dev,
		((*req)->length + 1) * sizeof(request_t),
		&(*req)->dma, GFP_KERNEL);
	if (!(*req)->ring) {
4018 4019
		ql_log_pci(ql_log_fatal, ha->pdev, 0x0029,
		    "Failed to allocate memory for req_ring.\n");
4020 4021 4022
		goto fail_req_ring;
	}
	/* Allocate memory for response ring */
4023 4024
	*rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL);
	if (!*rsp) {
4025 4026
		ql_log_pci(ql_log_fatal, ha->pdev, 0x002a,
		    "Failed to allocate memory for rsp.\n");
4027 4028
		goto fail_rsp;
	}
4029 4030 4031 4032 4033 4034
	(*rsp)->hw = ha;
	(*rsp)->length = rsp_len;
	(*rsp)->ring = dma_alloc_coherent(&ha->pdev->dev,
		((*rsp)->length + 1) * sizeof(response_t),
		&(*rsp)->dma, GFP_KERNEL);
	if (!(*rsp)->ring) {
4035 4036
		ql_log_pci(ql_log_fatal, ha->pdev, 0x002b,
		    "Failed to allocate memory for rsp_ring.\n");
4037 4038
		goto fail_rsp_ring;
	}
4039 4040
	(*req)->rsp = *rsp;
	(*rsp)->req = *req;
4041 4042 4043 4044 4045
	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002c,
	    "req=%p req->length=%d req->ring=%p rsp=%p "
	    "rsp->length=%d rsp->ring=%p.\n",
	    *req, (*req)->length, (*req)->ring, *rsp, (*rsp)->length,
	    (*rsp)->ring);
4046 4047 4048
	/* Allocate memory for NVRAM data for vports */
	if (ha->nvram_npiv_size) {
		ha->npiv_info = kzalloc(sizeof(struct qla_npiv_entry) *
4049
		    ha->nvram_npiv_size, GFP_KERNEL);
4050
		if (!ha->npiv_info) {
4051 4052
			ql_log_pci(ql_log_fatal, ha->pdev, 0x002d,
			    "Failed to allocate memory for npiv_info.\n");
4053 4054 4055 4056
			goto fail_npiv_info;
		}
	} else
		ha->npiv_info = NULL;
4057

4058
	/* Get consistent memory allocated for EX-INIT-CB. */
4059
	if (IS_CNA_CAPABLE(ha) || IS_QLA2031(ha) || IS_QLA27XX(ha)) {
4060 4061 4062 4063
		ha->ex_init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
		    &ha->ex_init_cb_dma);
		if (!ha->ex_init_cb)
			goto fail_ex_init_cb;
4064 4065
		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002e,
		    "ex_init_cb=%p.\n", ha->ex_init_cb);
4066 4067
	}

4068 4069
	INIT_LIST_HEAD(&ha->gbl_dsd_list);

4070 4071 4072 4073 4074 4075
	/* Get consistent memory allocated for Async Port-Database. */
	if (!IS_FWI2_CAPABLE(ha)) {
		ha->async_pd = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
			&ha->async_pd_dma);
		if (!ha->async_pd)
			goto fail_async_pd;
4076 4077
		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002f,
		    "async_pd=%p.\n", ha->async_pd);
4078 4079
	}

4080
	INIT_LIST_HEAD(&ha->vp_list);
4081 4082 4083 4084 4085

	/* Allocate memory for our loop_id bitmap */
	ha->loop_id_map = kzalloc(BITS_TO_LONGS(LOOPID_MAP_SIZE) * sizeof(long),
	    GFP_KERNEL);
	if (!ha->loop_id_map)
4086
		goto fail_loop_id_map;
4087 4088 4089
	else {
		qla2x00_set_reserved_loop_ids(ha);
		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0123,
4090
		    "loop_id_map=%p.\n", ha->loop_id_map);
4091 4092
	}

4093 4094 4095 4096 4097 4098 4099 4100
	ha->sfp_data = dma_alloc_coherent(&ha->pdev->dev,
	    SFP_DEV_SIZE, &ha->sfp_data_dma, GFP_KERNEL);
	if (!ha->sfp_data) {
		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011b,
		    "Unable to allocate memory for SFP read-data.\n");
		goto fail_sfp_data;
	}

4101
	return 0;
4102

4103 4104
fail_sfp_data:
	kfree(ha->loop_id_map);
4105 4106
fail_loop_id_map:
	dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma);
4107 4108
fail_async_pd:
	dma_pool_free(ha->s_dma_pool, ha->ex_init_cb, ha->ex_init_cb_dma);
4109 4110
fail_ex_init_cb:
	kfree(ha->npiv_info);
4111 4112 4113 4114 4115
fail_npiv_info:
	dma_free_coherent(&ha->pdev->dev, ((*rsp)->length + 1) *
		sizeof(response_t), (*rsp)->ring, (*rsp)->dma);
	(*rsp)->ring = NULL;
	(*rsp)->dma = 0;
4116
fail_rsp_ring:
4117
	kfree(*rsp);
4118
fail_rsp:
4119 4120 4121 4122
	dma_free_coherent(&ha->pdev->dev, ((*req)->length + 1) *
		sizeof(request_t), (*req)->ring, (*req)->dma);
	(*req)->ring = NULL;
	(*req)->dma = 0;
4123
fail_req_ring:
4124
	kfree(*req);
4125 4126 4127 4128 4129
fail_req:
	dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
		ha->ct_sns, ha->ct_sns_dma);
	ha->ct_sns = NULL;
	ha->ct_sns_dma = 0;
4130 4131 4132 4133
fail_free_ms_iocb:
	dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
	ha->ms_iocb = NULL;
	ha->ms_iocb_dma = 0;
4134 4135 4136 4137

	if (ha->sns_cmd)
		dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
		    ha->sns_cmd, ha->sns_cmd_dma);
4138
fail_dma_pool:
4139
	if (IS_QLA82XX(ha) || ql2xenabledif) {
4140 4141 4142 4143
		dma_pool_destroy(ha->fcp_cmnd_dma_pool);
		ha->fcp_cmnd_dma_pool = NULL;
	}
fail_dl_dma_pool:
4144
	if (IS_QLA82XX(ha) || ql2xenabledif) {
4145 4146 4147 4148
		dma_pool_destroy(ha->dl_dma_pool);
		ha->dl_dma_pool = NULL;
	}
fail_s_dma_pool:
4149 4150
	dma_pool_destroy(ha->s_dma_pool);
	ha->s_dma_pool = NULL;
4151 4152 4153
fail_free_nvram:
	kfree(ha->nvram);
	ha->nvram = NULL;
4154
fail_free_ctx_mempool:
4155 4156
	if (ha->ctx_mempool)
		mempool_destroy(ha->ctx_mempool);
4157
	ha->ctx_mempool = NULL;
4158
fail_free_srb_mempool:
4159 4160
	if (ha->srb_mempool)
		mempool_destroy(ha->srb_mempool);
4161 4162
	ha->srb_mempool = NULL;
fail_free_gid_list:
4163 4164
	dma_free_coherent(&ha->pdev->dev, qla2x00_gid_list_size(ha),
	ha->gid_list,
4165
	ha->gid_list_dma);
4166 4167
	ha->gid_list = NULL;
	ha->gid_list_dma = 0;
4168 4169
fail_free_tgt_mem:
	qlt_mem_free(ha);
4170 4171 4172 4173 4174
fail_free_init_cb:
	dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
	ha->init_cb_dma);
	ha->init_cb = NULL;
	ha->init_cb_dma = 0;
4175
fail:
4176 4177
	ql_log(ql_log_fatal, NULL, 0x0030,
	    "Memory allocation failure.\n");
4178
	return -ENOMEM;
L
Linus Torvalds 已提交
4179 4180
}

4181 4182 4183 4184 4185 4186 4187 4188 4189 4190 4191
int
qla2x00_set_exlogins_buffer(scsi_qla_host_t *vha)
{
	int rval;
	uint16_t	size, max_cnt, temp;
	struct qla_hw_data *ha = vha->hw;

	/* Return if we don't need to alloacate any extended logins */
	if (!ql2xexlogins)
		return QLA_SUCCESS;

4192 4193 4194
	if (!IS_EXLOGIN_OFFLD_CAPABLE(ha))
		return QLA_SUCCESS;

4195 4196 4197 4198 4199 4200 4201 4202 4203 4204
	ql_log(ql_log_info, vha, 0xd021, "EXLOGIN count: %d.\n", ql2xexlogins);
	max_cnt = 0;
	rval = qla_get_exlogin_status(vha, &size, &max_cnt);
	if (rval != QLA_SUCCESS) {
		ql_log_pci(ql_log_fatal, ha->pdev, 0xd029,
		    "Failed to get exlogin status.\n");
		return rval;
	}

	temp = (ql2xexlogins > max_cnt) ? max_cnt : ql2xexlogins;
4205 4206 4207 4208 4209 4210 4211 4212 4213 4214 4215 4216 4217 4218 4219 4220 4221 4222
	temp *= size;

	if (temp != ha->exlogin_size) {
		qla2x00_free_exlogin_buffer(ha);
		ha->exlogin_size = temp;

		ql_log(ql_log_info, vha, 0xd024,
		    "EXLOGIN: max_logins=%d, portdb=0x%x, total=%d.\n",
		    max_cnt, size, temp);

		ql_log(ql_log_info, vha, 0xd025,
		    "EXLOGIN: requested size=0x%x\n", ha->exlogin_size);

		/* Get consistent memory for extended logins */
		ha->exlogin_buf = dma_alloc_coherent(&ha->pdev->dev,
			ha->exlogin_size, &ha->exlogin_buf_dma, GFP_KERNEL);
		if (!ha->exlogin_buf) {
			ql_log_pci(ql_log_fatal, ha->pdev, 0xd02a,
4223
		    "Failed to allocate memory for exlogin_buf_dma.\n");
4224 4225
			return -ENOMEM;
		}
4226 4227 4228 4229 4230
	}

	/* Now configure the dma buffer */
	rval = qla_set_exlogin_mem_cfg(vha, ha->exlogin_buf_dma);
	if (rval) {
4231
		ql_log(ql_log_fatal, vha, 0xd033,
4232 4233 4234 4235 4236 4237 4238 4239 4240 4241 4242 4243 4244 4245 4246 4247 4248 4249 4250 4251 4252 4253 4254 4255
		    "Setup extended login buffer  ****FAILED****.\n");
		qla2x00_free_exlogin_buffer(ha);
	}

	return rval;
}

/*
* qla2x00_free_exlogin_buffer
*
* Input:
*	ha = adapter block pointer
*/
void
qla2x00_free_exlogin_buffer(struct qla_hw_data *ha)
{
	if (ha->exlogin_buf) {
		dma_free_coherent(&ha->pdev->dev, ha->exlogin_size,
		    ha->exlogin_buf, ha->exlogin_buf_dma);
		ha->exlogin_buf = NULL;
		ha->exlogin_size = 0;
	}
}

4256 4257 4258 4259 4260 4261
static void
qla2x00_number_of_exch(scsi_qla_host_t *vha, u32 *ret_cnt, u16 max_cnt)
{
	u32 temp;
	*ret_cnt = FW_DEF_EXCHANGES_CNT;

4262 4263 4264
	if (max_cnt > vha->hw->max_exchg)
		max_cnt = vha->hw->max_exchg;

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
	if (qla_ini_mode_enabled(vha)) {
		if (ql2xiniexchg > max_cnt)
			ql2xiniexchg = max_cnt;

		if (ql2xiniexchg > FW_DEF_EXCHANGES_CNT)
			*ret_cnt = ql2xiniexchg;
	} else if (qla_tgt_mode_enabled(vha)) {
		if (ql2xexchoffld > max_cnt)
			ql2xexchoffld = max_cnt;

		if (ql2xexchoffld > FW_DEF_EXCHANGES_CNT)
			*ret_cnt = ql2xexchoffld;
	} else if (qla_dual_mode_enabled(vha)) {
		temp = ql2xiniexchg + ql2xexchoffld;
		if (temp > max_cnt) {
			ql2xiniexchg -= (temp - max_cnt)/2;
			ql2xexchoffld -= (((temp - max_cnt)/2) + 1);
			temp = max_cnt;
		}

		if (temp > FW_DEF_EXCHANGES_CNT)
			*ret_cnt = temp;
	}
}

4290 4291 4292 4293
int
qla2x00_set_exchoffld_buffer(scsi_qla_host_t *vha)
{
	int rval;
4294 4295
	u16	size, max_cnt;
	u32 actual_cnt, totsz;
4296 4297
	struct qla_hw_data *ha = vha->hw;

4298 4299 4300 4301
	if (!ha->flags.exchoffld_enabled)
		return QLA_SUCCESS;

	if (!IS_EXCHG_OFFLD_CAPABLE(ha))
4302 4303 4304 4305 4306 4307 4308 4309 4310 4311
		return QLA_SUCCESS;

	max_cnt = 0;
	rval = qla_get_exchoffld_status(vha, &size, &max_cnt);
	if (rval != QLA_SUCCESS) {
		ql_log_pci(ql_log_fatal, ha->pdev, 0xd012,
		    "Failed to get exlogin status.\n");
		return rval;
	}

4312 4313 4314 4315 4316
	qla2x00_number_of_exch(vha, &actual_cnt, max_cnt);
	ql_log(ql_log_info, vha, 0xd014,
	    "Actual exchange offload count: %d.\n", actual_cnt);

	totsz = actual_cnt * size;
4317

4318
	if (totsz != ha->exchoffld_size) {
4319
		qla2x00_free_exchoffld_buffer(ha);
4320
		ha->exchoffld_size = totsz;
4321 4322

		ql_log(ql_log_info, vha, 0xd016,
4323 4324
		    "Exchange offload: max_count=%d, actual count=%d entry sz=0x%x, total sz=0x%x\n",
		    max_cnt, actual_cnt, size, totsz);
4325 4326 4327 4328 4329 4330 4331 4332 4333 4334

		ql_log(ql_log_info, vha, 0xd017,
		    "Exchange Buffers requested size = 0x%x\n",
		    ha->exchoffld_size);

		/* Get consistent memory for extended logins */
		ha->exchoffld_buf = dma_alloc_coherent(&ha->pdev->dev,
			ha->exchoffld_size, &ha->exchoffld_buf_dma, GFP_KERNEL);
		if (!ha->exchoffld_buf) {
			ql_log_pci(ql_log_fatal, ha->pdev, 0xd013,
4335 4336 4337 4338 4339 4340 4341 4342 4343 4344 4345 4346 4347 4348 4349
			"Failed to allocate memory for Exchange Offload.\n");

			if (ha->max_exchg >
			    (FW_DEF_EXCHANGES_CNT + REDUCE_EXCHANGES_CNT)) {
				ha->max_exchg -= REDUCE_EXCHANGES_CNT;
			} else if (ha->max_exchg >
			    (FW_DEF_EXCHANGES_CNT + 512)) {
				ha->max_exchg -= 512;
			} else {
				ha->flags.exchoffld_enabled = 0;
				ql_log_pci(ql_log_fatal, ha->pdev, 0xd013,
				    "Disabling Exchange offload due to lack of memory\n");
			}
			ha->exchoffld_size = 0;

4350 4351
			return -ENOMEM;
		}
4352 4353 4354
	}

	/* Now configure the dma buffer */
4355
	rval = qla_set_exchoffld_mem_cfg(vha);
4356 4357 4358 4359
	if (rval) {
		ql_log(ql_log_fatal, vha, 0xd02e,
		    "Setup exchange offload buffer ****FAILED****.\n");
		qla2x00_free_exchoffld_buffer(ha);
4360 4361 4362 4363 4364 4365 4366 4367
	} else {
		/* re-adjust number of target exchange */
		struct init_cb_81xx *icb = (struct init_cb_81xx *)ha->init_cb;

		if (qla_ini_mode_enabled(vha))
			icb->exchange_count = 0;
		else
			icb->exchange_count = cpu_to_le16(ql2xexchoffld);
4368 4369 4370 4371 4372 4373 4374 4375 4376 4377 4378 4379 4380 4381 4382 4383 4384 4385 4386 4387 4388 4389
	}

	return rval;
}

/*
* qla2x00_free_exchoffld_buffer
*
* Input:
*	ha = adapter block pointer
*/
void
qla2x00_free_exchoffld_buffer(struct qla_hw_data *ha)
{
	if (ha->exchoffld_buf) {
		dma_free_coherent(&ha->pdev->dev, ha->exchoffld_size,
		    ha->exchoffld_buf, ha->exchoffld_buf_dma);
		ha->exchoffld_buf = NULL;
		ha->exchoffld_size = 0;
	}
}

L
Linus Torvalds 已提交
4390
/*
4391 4392
* qla2x00_free_fw_dump
*	Frees fw dump stuff.
L
Linus Torvalds 已提交
4393 4394
*
* Input:
4395
*	ha = adapter block pointer
L
Linus Torvalds 已提交
4396
*/
A
Adrian Bunk 已提交
4397
static void
4398
qla2x00_free_fw_dump(struct qla_hw_data *ha)
L
Linus Torvalds 已提交
4399
{
4400
	if (ha->fce)
4401 4402
		dma_free_coherent(&ha->pdev->dev,
		    FCE_SIZE, ha->fce, ha->fce_dma);
4403

4404 4405 4406 4407 4408
	if (ha->eft)
		dma_free_coherent(&ha->pdev->dev,
		    EFT_SIZE, ha->eft, ha->eft_dma);

	if (ha->fw_dump)
4409
		vfree(ha->fw_dump);
4410 4411 4412
	if (ha->fw_dump_template)
		vfree(ha->fw_dump_template);

4413 4414 4415 4416 4417
	ha->fce = NULL;
	ha->fce_dma = 0;
	ha->eft = NULL;
	ha->eft_dma = 0;
	ha->fw_dumped = 0;
4418
	ha->fw_dump_cap_flags = 0;
4419
	ha->fw_dump_reading = 0;
4420 4421 4422 4423
	ha->fw_dump = NULL;
	ha->fw_dump_len = 0;
	ha->fw_dump_template = NULL;
	ha->fw_dump_template_len = 0;
4424 4425 4426 4427 4428 4429 4430 4431 4432 4433 4434 4435 4436 4437
}

/*
* qla2x00_mem_free
*      Frees all adapter allocated memory.
*
* Input:
*      ha = adapter block pointer.
*/
static void
qla2x00_mem_free(struct qla_hw_data *ha)
{
	qla2x00_free_fw_dump(ha);

4438 4439 4440 4441
	if (ha->mctp_dump)
		dma_free_coherent(&ha->pdev->dev, MCTP_DUMP_SIZE, ha->mctp_dump,
		    ha->mctp_dump_dma);

4442 4443
	if (ha->srb_mempool)
		mempool_destroy(ha->srb_mempool);
4444

4445 4446 4447 4448
	if (ha->dcbx_tlv)
		dma_free_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
		    ha->dcbx_tlv, ha->dcbx_tlv_dma);

4449 4450 4451 4452
	if (ha->xgmac_data)
		dma_free_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
		    ha->xgmac_data, ha->xgmac_data_dma);

L
Linus Torvalds 已提交
4453 4454
	if (ha->sns_cmd)
		dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
4455
		ha->sns_cmd, ha->sns_cmd_dma);
L
Linus Torvalds 已提交
4456 4457 4458

	if (ha->ct_sns)
		dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
4459
		ha->ct_sns, ha->ct_sns_dma);
L
Linus Torvalds 已提交
4460

4461
	if (ha->sfp_data)
4462 4463
		dma_free_coherent(&ha->pdev->dev, SFP_DEV_SIZE, ha->sfp_data,
		    ha->sfp_data_dma);
4464

L
Linus Torvalds 已提交
4465 4466 4467
	if (ha->ms_iocb)
		dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);

4468
	if (ha->ex_init_cb)
4469 4470
		dma_pool_free(ha->s_dma_pool,
			ha->ex_init_cb, ha->ex_init_cb_dma);
4471

4472 4473 4474
	if (ha->async_pd)
		dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma);

L
Linus Torvalds 已提交
4475 4476 4477 4478
	if (ha->s_dma_pool)
		dma_pool_destroy(ha->s_dma_pool);

	if (ha->gid_list)
4479 4480
		dma_free_coherent(&ha->pdev->dev, qla2x00_gid_list_size(ha),
		ha->gid_list, ha->gid_list_dma);
L
Linus Torvalds 已提交
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
	if (IS_QLA82XX(ha)) {
		if (!list_empty(&ha->gbl_dsd_list)) {
			struct dsd_dma *dsd_ptr, *tdsd_ptr;

			/* clean up allocated prev pool */
			list_for_each_entry_safe(dsd_ptr,
				tdsd_ptr, &ha->gbl_dsd_list, list) {
				dma_pool_free(ha->dl_dma_pool,
				dsd_ptr->dsd_addr, dsd_ptr->dsd_list_dma);
				list_del(&dsd_ptr->list);
				kfree(dsd_ptr);
			}
		}
	}

	if (ha->dl_dma_pool)
		dma_pool_destroy(ha->dl_dma_pool);

	if (ha->fcp_cmnd_dma_pool)
		dma_pool_destroy(ha->fcp_cmnd_dma_pool);

	if (ha->ctx_mempool)
		mempool_destroy(ha->ctx_mempool);

4506 4507
	qlt_mem_free(ha);

4508 4509
	if (ha->init_cb)
		dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
4510
			ha->init_cb, ha->init_cb_dma);
4511 4512
	vfree(ha->optrom_buffer);
	kfree(ha->nvram);
4513
	kfree(ha->npiv_info);
4514
	kfree(ha->swl);
4515
	kfree(ha->loop_id_map);
L
Linus Torvalds 已提交
4516

4517
	ha->srb_mempool = NULL;
4518
	ha->ctx_mempool = NULL;
L
Linus Torvalds 已提交
4519 4520 4521 4522 4523 4524 4525 4526
	ha->sns_cmd = NULL;
	ha->sns_cmd_dma = 0;
	ha->ct_sns = NULL;
	ha->ct_sns_dma = 0;
	ha->ms_iocb = NULL;
	ha->ms_iocb_dma = 0;
	ha->init_cb = NULL;
	ha->init_cb_dma = 0;
4527 4528
	ha->ex_init_cb = NULL;
	ha->ex_init_cb_dma = 0;
4529 4530
	ha->async_pd = NULL;
	ha->async_pd_dma = 0;
L
Linus Torvalds 已提交
4531 4532

	ha->s_dma_pool = NULL;
4533 4534
	ha->dl_dma_pool = NULL;
	ha->fcp_cmnd_dma_pool = NULL;
L
Linus Torvalds 已提交
4535 4536 4537

	ha->gid_list = NULL;
	ha->gid_list_dma = 0;
4538 4539 4540 4541

	ha->tgt.atio_ring = NULL;
	ha->tgt.atio_dma = 0;
	ha->tgt.tgt_vp_map = NULL;
4542
}
L
Linus Torvalds 已提交
4543

4544 4545 4546 4547 4548
struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht,
						struct qla_hw_data *ha)
{
	struct Scsi_Host *host;
	struct scsi_qla_host *vha = NULL;
4549

4550
	host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
4551
	if (!host) {
4552 4553
		ql_log_pci(ql_log_fatal, ha->pdev, 0x0107,
		    "Failed to allocate host from the scsi layer, aborting.\n");
4554
		return NULL;
4555 4556 4557 4558 4559 4560 4561 4562 4563 4564 4565 4566 4567
	}

	/* Clear our data area */
	vha = shost_priv(host);
	memset(vha, 0, sizeof(scsi_qla_host_t));

	vha->host = host;
	vha->host_no = host->host_no;
	vha->hw = ha;

	INIT_LIST_HEAD(&vha->vp_fcports);
	INIT_LIST_HEAD(&vha->work_list);
	INIT_LIST_HEAD(&vha->list);
4568 4569
	INIT_LIST_HEAD(&vha->qla_cmd_list);
	INIT_LIST_HEAD(&vha->qla_sess_op_cmd_list);
4570
	INIT_LIST_HEAD(&vha->logo_list);
4571
	INIT_LIST_HEAD(&vha->plogi_ack_list);
4572
	INIT_LIST_HEAD(&vha->qp_list);
4573
	INIT_LIST_HEAD(&vha->gnl.fcports);
4574
	INIT_LIST_HEAD(&vha->nvme_rport_list);
4575
	INIT_LIST_HEAD(&vha->gpnid_list);
4576
	INIT_WORK(&vha->iocb_work, qla2x00_iocb_work_fn);
4577

4578
	spin_lock_init(&vha->work_lock);
4579
	spin_lock_init(&vha->cmd_list_lock);
4580
	spin_lock_init(&vha->gnl.fcports_lock);
4581
	init_waitqueue_head(&vha->fcport_waitQ);
4582
	init_waitqueue_head(&vha->vref_waitq);
4583

4584 4585
	vha->gnl.size = sizeof(struct get_name_list_extended) *
			(ha->max_loop_id + 1);
4586 4587 4588
	vha->gnl.l = dma_alloc_coherent(&ha->pdev->dev,
	    vha->gnl.size, &vha->gnl.ldma, GFP_KERNEL);
	if (!vha->gnl.l) {
4589
		ql_log(ql_log_fatal, vha, 0xd04a,
4590 4591 4592 4593
		    "Alloc failed for name list.\n");
		scsi_remove_host(vha->host);
		return NULL;
	}
4594

4595 4596 4597 4598 4599 4600 4601 4602 4603 4604 4605
	/* todo: what about ext login? */
	vha->scan.size = ha->max_fibre_devices * sizeof(struct fab_scan_rp);
	vha->scan.l = vmalloc(vha->scan.size);
	if (!vha->scan.l) {
		ql_log(ql_log_fatal, vha, 0xd04a,
		    "Alloc failed for scan database.\n");
		dma_free_coherent(&ha->pdev->dev, vha->gnl.size,
		    vha->gnl.l, vha->gnl.ldma);
		scsi_remove_host(vha->host);
		return NULL;
	}
4606
	INIT_DELAYED_WORK(&vha->scan.scan_work, qla_scan_work_fn);
4607

4608
	sprintf(vha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, vha->host_no);
4609 4610 4611 4612 4613
	ql_dbg(ql_dbg_init, vha, 0x0041,
	    "Allocated the host=%p hw=%p vha=%p dev_name=%s",
	    vha->host, vha->hw, vha,
	    dev_name(&(ha->pdev->dev)));

4614
	return vha;
L
Linus Torvalds 已提交
4615 4616
}

4617
struct qla_work_evt *
4618
qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type)
4619 4620
{
	struct qla_work_evt *e;
4621 4622 4623 4624 4625
	uint8_t bail;

	QLA_VHA_MARK_BUSY(vha, bail);
	if (bail)
		return NULL;
4626

4627
	e = kzalloc(sizeof(struct qla_work_evt), GFP_ATOMIC);
4628 4629
	if (!e) {
		QLA_VHA_MARK_NOT_BUSY(vha);
4630
		return NULL;
4631
	}
4632 4633 4634 4635 4636 4637 4638

	INIT_LIST_HEAD(&e->list);
	e->type = type;
	e->flags = QLA_EVT_FLAG_FREE;
	return e;
}

4639
int
4640
qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e)
4641
{
4642
	unsigned long flags;
4643
	bool q = false;
4644

4645
	spin_lock_irqsave(&vha->work_lock, flags);
4646
	list_add_tail(&e->list, &vha->work_list);
4647 4648 4649 4650

	if (!test_and_set_bit(IOCB_WORK_ACTIVE, &vha->dpc_flags))
		q = true;

4651
	spin_unlock_irqrestore(&vha->work_lock, flags);
4652

4653 4654
	if (q)
		queue_work(vha->hw->wq, &vha->iocb_work);
4655

4656 4657 4658 4659
	return QLA_SUCCESS;
}

int
4660
qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code,
4661 4662 4663 4664
    u32 data)
{
	struct qla_work_evt *e;

4665
	e = qla2x00_alloc_work(vha, QLA_EVT_AEN);
4666 4667 4668 4669 4670
	if (!e)
		return QLA_FUNCTION_FAILED;

	e->u.aen.code = code;
	e->u.aen.data = data;
4671
	return qla2x00_post_work(vha, e);
4672 4673
}

4674 4675 4676 4677 4678
int
qla2x00_post_idc_ack_work(struct scsi_qla_host *vha, uint16_t *mb)
{
	struct qla_work_evt *e;

4679
	e = qla2x00_alloc_work(vha, QLA_EVT_IDC_ACK);
4680 4681 4682 4683
	if (!e)
		return QLA_FUNCTION_FAILED;

	memcpy(e->u.idc_ack.mb, mb, QLA_IDC_ACK_REGS * sizeof(uint16_t));
4684
	return qla2x00_post_work(vha, e);
4685 4686
}

4687 4688 4689 4690 4691 4692 4693 4694 4695 4696 4697 4698 4699 4700 4701 4702
#define qla2x00_post_async_work(name, type)	\
int qla2x00_post_async_##name##_work(		\
    struct scsi_qla_host *vha,			\
    fc_port_t *fcport, uint16_t *data)		\
{						\
	struct qla_work_evt *e;			\
						\
	e = qla2x00_alloc_work(vha, type);	\
	if (!e)					\
		return QLA_FUNCTION_FAILED;	\
						\
	e->u.logio.fcport = fcport;		\
	if (data) {				\
		e->u.logio.data[0] = data[0];	\
		e->u.logio.data[1] = data[1];	\
	}					\
4703
	fcport->flags |= FCF_ASYNC_ACTIVE;	\
4704 4705 4706 4707 4708 4709
	return qla2x00_post_work(vha, e);	\
}

qla2x00_post_async_work(login, QLA_EVT_ASYNC_LOGIN);
qla2x00_post_async_work(logout, QLA_EVT_ASYNC_LOGOUT);
qla2x00_post_async_work(logout_done, QLA_EVT_ASYNC_LOGOUT_DONE);
4710 4711
qla2x00_post_async_work(adisc, QLA_EVT_ASYNC_ADISC);
qla2x00_post_async_work(adisc_done, QLA_EVT_ASYNC_ADISC_DONE);
4712 4713
qla2x00_post_async_work(prlo, QLA_EVT_ASYNC_PRLO);
qla2x00_post_async_work(prlo_done, QLA_EVT_ASYNC_PRLO_DONE);
4714

4715 4716 4717 4718 4719 4720 4721 4722 4723 4724 4725 4726 4727 4728 4729 4730 4731 4732 4733 4734 4735 4736 4737 4738 4739 4740 4741 4742 4743 4744 4745
int
qla2x00_post_uevent_work(struct scsi_qla_host *vha, u32 code)
{
	struct qla_work_evt *e;

	e = qla2x00_alloc_work(vha, QLA_EVT_UEVENT);
	if (!e)
		return QLA_FUNCTION_FAILED;

	e->u.uevent.code = code;
	return qla2x00_post_work(vha, e);
}

static void
qla2x00_uevent_emit(struct scsi_qla_host *vha, u32 code)
{
	char event_string[40];
	char *envp[] = { event_string, NULL };

	switch (code) {
	case QLA_UEVENT_CODE_FW_DUMP:
		snprintf(event_string, sizeof(event_string), "FW_DUMP=%ld",
		    vha->host_no);
		break;
	default:
		/* do nothing */
		break;
	}
	kobject_uevent_env(&vha->hw->pdev->dev.kobj, KOBJ_CHANGE, envp);
}

4746 4747 4748 4749 4750 4751 4752 4753 4754 4755 4756 4757 4758 4759 4760 4761
int
qlafx00_post_aenfx_work(struct scsi_qla_host *vha,  uint32_t evtcode,
			uint32_t *data, int cnt)
{
	struct qla_work_evt *e;

	e = qla2x00_alloc_work(vha, QLA_EVT_AENFX);
	if (!e)
		return QLA_FUNCTION_FAILED;

	e->u.aenfx.evtcode = evtcode;
	e->u.aenfx.count = cnt;
	memcpy(e->u.aenfx.mbx, data, sizeof(*data) * cnt);
	return qla2x00_post_work(vha, e);
}

4762 4763 4764 4765 4766 4767 4768 4769 4770 4771 4772 4773 4774 4775 4776 4777
int qla24xx_post_upd_fcport_work(struct scsi_qla_host *vha, fc_port_t *fcport)
{
	struct qla_work_evt *e;

	e = qla2x00_alloc_work(vha, QLA_EVT_UPD_FCPORT);
	if (!e)
		return QLA_FUNCTION_FAILED;

	e->u.fcport.fcport = fcport;
	return qla2x00_post_work(vha, e);
}

static
void qla24xx_create_new_sess(struct scsi_qla_host *vha, struct qla_work_evt *e)
{
	unsigned long flags;
4778
	fc_port_t *fcport =  NULL, *tfcp;
4779 4780
	struct qlt_plogi_ack_t *pla =
	    (struct qlt_plogi_ack_t *)e->u.new_sess.pla;
4781
	uint8_t free_fcport = 0;
4782
	u64 wwn;
4783

4784 4785 4786 4787
	ql_dbg(ql_dbg_disc, vha, 0xffff,
	    "%s %d %8phC enter\n",
	    __func__, __LINE__, e->u.new_sess.port_name);

4788 4789 4790 4791 4792 4793
	spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
	fcport = qla2x00_find_fcport_by_wwpn(vha, e->u.new_sess.port_name, 1);
	if (fcport) {
		fcport->d_id = e->u.new_sess.id;
		if (pla) {
			fcport->fw_login_state = DSC_LS_PLOGI_PEND;
4794 4795 4796
			memcpy(fcport->node_name,
			    pla->iocb.u.isp24.u.plogi.node_name,
			    WWN_SIZE);
4797 4798 4799 4800 4801 4802 4803
			qlt_plogi_ack_link(vha, pla, fcport, QLT_PLOGI_LINK_SAME_WWN);
			/* we took an extra ref_count to prevent PLOGI ACK when
			 * fcport/sess has not been created.
			 */
			pla->ref_count--;
		}
	} else {
4804
		spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
4805 4806 4807 4808 4809
		fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
		if (fcport) {
			fcport->d_id = e->u.new_sess.id;
			fcport->flags |= FCF_FABRIC_DEVICE;
			fcport->fw_login_state = DSC_LS_PLOGI_PEND;
4810 4811
			if (e->u.new_sess.fc4_type == FC4_TYPE_FCP_SCSI)
				fcport->fc4_type = FC4_TYPE_FCP_SCSI;
4812 4813 4814

			memcpy(fcport->port_name, e->u.new_sess.port_name,
			    WWN_SIZE);
4815 4816 4817 4818 4819 4820 4821 4822 4823 4824 4825
		} else {
			ql_dbg(ql_dbg_disc, vha, 0xffff,
				   "%s %8phC mem alloc fail.\n",
				   __func__, e->u.new_sess.port_name);

			if (pla)
				kmem_cache_free(qla_tgt_plogi_cachep, pla);
			return;
		}

		spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
4826
		/* search again to make sure no one else got ahead */
4827 4828 4829 4830 4831 4832 4833 4834 4835 4836 4837
		tfcp = qla2x00_find_fcport_by_wwpn(vha,
		    e->u.new_sess.port_name, 1);
		if (tfcp) {
			/* should rarily happen */
			ql_dbg(ql_dbg_disc, vha, 0xffff,
			    "%s %8phC found existing fcport b4 add. DS %d LS %d\n",
			    __func__, tfcp->port_name, tfcp->disc_state,
			    tfcp->fw_login_state);

			free_fcport = 1;
		} else {
4838 4839
			list_add_tail(&fcport->list, &vha->vp_fcports);

4840 4841 4842 4843 4844
		}
		if (pla) {
			qlt_plogi_ack_link(vha, pla, fcport,
			    QLT_PLOGI_LINK_SAME_WWN);
			pla->ref_count--;
4845 4846 4847 4848 4849
		}
	}
	spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);

	if (fcport) {
4850 4851 4852
		if (N2N_TOPO(vha->hw))
			fcport->flags &= ~FCF_FABRIC_DEVICE;

4853 4854 4855 4856
		fcport->id_changed = 1;
		fcport->scan_state = QLA_FCPORT_FOUND;
		memcpy(fcport->node_name, e->u.new_sess.node_name, WWN_SIZE);

4857
		if (pla) {
4858 4859 4860 4861 4862 4863 4864 4865 4866 4867 4868 4869 4870 4871 4872 4873 4874 4875 4876 4877 4878
			if (pla->iocb.u.isp24.status_subcode == ELS_PRLI) {
				u16 wd3_lo;

				fcport->fw_login_state = DSC_LS_PRLI_PEND;
				fcport->local = 0;
				fcport->loop_id =
					le16_to_cpu(
					    pla->iocb.u.isp24.nport_handle);
				fcport->fw_login_state = DSC_LS_PRLI_PEND;
				wd3_lo =
				    le16_to_cpu(
					pla->iocb.u.isp24.u.prli.wd3_lo);

				if (wd3_lo & BIT_7)
					fcport->conf_compl_supported = 1;

				if ((wd3_lo & BIT_4) == 0)
					fcport->port_type = FCT_INITIATOR;
				else
					fcport->port_type = FCT_TARGET;
			}
4879
			qlt_plogi_ack_unref(vha, pla);
4880
		} else {
4881 4882
			fc_port_t *dfcp = NULL;

4883 4884 4885 4886 4887 4888 4889 4890 4891 4892 4893 4894 4895 4896 4897 4898 4899 4900 4901 4902 4903 4904
			spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
			tfcp = qla2x00_find_fcport_by_nportid(vha,
			    &e->u.new_sess.id, 1);
			if (tfcp && (tfcp != fcport)) {
				/*
				 * We have a conflict fcport with same NportID.
				 */
				ql_dbg(ql_dbg_disc, vha, 0xffff,
				    "%s %8phC found conflict b4 add. DS %d LS %d\n",
				    __func__, tfcp->port_name, tfcp->disc_state,
				    tfcp->fw_login_state);

				switch (tfcp->disc_state) {
				case DSC_DELETED:
					break;
				case DSC_DELETE_PEND:
					fcport->login_pause = 1;
					tfcp->conflict = fcport;
					break;
				default:
					fcport->login_pause = 1;
					tfcp->conflict = fcport;
4905
					dfcp = tfcp;
4906 4907 4908 4909
					break;
				}
			}
			spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
4910 4911
			if (dfcp)
				qlt_schedule_sess_for_deletion(tfcp);
4912 4913 4914 4915 4916 4917 4918

			wwn = wwn_to_u64(fcport->node_name);

			if (!wwn)
				qla24xx_async_gnnid(vha, fcport);
			else
				qla24xx_async_gnl(vha, fcport);
4919
		}
4920
	}
4921 4922 4923 4924 4925 4926

	if (free_fcport) {
		qla2x00_free_fcport(fcport);
		if (pla)
			kmem_cache_free(qla_tgt_plogi_cachep, pla);
	}
4927 4928
}

4929 4930 4931 4932 4933 4934 4935 4936 4937 4938 4939 4940 4941 4942
static void qla_sp_retry(struct scsi_qla_host *vha, struct qla_work_evt *e)
{
	struct srb *sp = e->u.iosb.sp;
	int rval;

	rval = qla2x00_start_sp(sp);
	if (rval != QLA_SUCCESS) {
		ql_dbg(ql_dbg_disc, vha, 0x2043,
		    "%s: %s: Re-issue IOCB failed (%d).\n",
		    __func__, sp->name, rval);
		qla24xx_sp_unmap(vha, sp);
	}
}

4943
void
4944
qla2x00_do_work(struct scsi_qla_host *vha)
4945
{
4946 4947 4948
	struct qla_work_evt *e, *tmp;
	unsigned long flags;
	LIST_HEAD(work);
4949

4950 4951 4952 4953 4954
	spin_lock_irqsave(&vha->work_lock, flags);
	list_splice_init(&vha->work_list, &work);
	spin_unlock_irqrestore(&vha->work_lock, flags);

	list_for_each_entry_safe(e, tmp, &work, list) {
4955 4956 4957 4958
		list_del_init(&e->list);

		switch (e->type) {
		case QLA_EVT_AEN:
4959
			fc_host_post_event(vha->host, fc_get_event_number(),
4960 4961
			    e->u.aen.code, e->u.aen.data);
			break;
4962 4963 4964
		case QLA_EVT_IDC_ACK:
			qla81xx_idc_ack(vha, e->u.idc_ack.mb);
			break;
4965 4966 4967 4968 4969 4970 4971 4972 4973 4974 4975
		case QLA_EVT_ASYNC_LOGIN:
			qla2x00_async_login(vha, e->u.logio.fcport,
			    e->u.logio.data);
			break;
		case QLA_EVT_ASYNC_LOGOUT:
			qla2x00_async_logout(vha, e->u.logio.fcport);
			break;
		case QLA_EVT_ASYNC_LOGOUT_DONE:
			qla2x00_async_logout_done(vha, e->u.logio.fcport,
			    e->u.logio.data);
			break;
4976 4977 4978 4979 4980 4981 4982 4983
		case QLA_EVT_ASYNC_ADISC:
			qla2x00_async_adisc(vha, e->u.logio.fcport,
			    e->u.logio.data);
			break;
		case QLA_EVT_ASYNC_ADISC_DONE:
			qla2x00_async_adisc_done(vha, e->u.logio.fcport,
			    e->u.logio.data);
			break;
4984 4985 4986
		case QLA_EVT_UEVENT:
			qla2x00_uevent_emit(vha, e->u.uevent.code);
			break;
4987 4988 4989
		case QLA_EVT_AENFX:
			qlafx00_process_aen(vha, e);
			break;
4990 4991 4992 4993 4994 4995
		case QLA_EVT_GIDPN:
			qla24xx_async_gidpn(vha, e->u.fcport.fcport);
			break;
		case QLA_EVT_GPNID:
			qla24xx_async_gpnid(vha, &e->u.gpnid.id);
			break;
4996 4997
		case QLA_EVT_UNMAP:
			qla24xx_sp_unmap(vha, e->u.iosb.sp);
4998
			break;
4999 5000 5001
		case QLA_EVT_RELOGIN:
			qla2x00_relogin(vha);
			break;
5002 5003 5004 5005 5006 5007 5008
		case QLA_EVT_NEW_SESS:
			qla24xx_create_new_sess(vha, e);
			break;
		case QLA_EVT_GPDB:
			qla24xx_async_gpdb(vha, e->u.fcport.fcport,
			    e->u.fcport.opt);
			break;
5009 5010 5011
		case QLA_EVT_PRLI:
			qla24xx_async_prli(vha, e->u.fcport.fcport);
			break;
5012 5013 5014 5015 5016 5017 5018 5019 5020 5021 5022 5023
		case QLA_EVT_GPSC:
			qla24xx_async_gpsc(vha, e->u.fcport.fcport);
			break;
		case QLA_EVT_UPD_FCPORT:
			qla2x00_update_fcport(vha, e->u.fcport.fcport);
			break;
		case QLA_EVT_GNL:
			qla24xx_async_gnl(vha, e->u.fcport.fcport);
			break;
		case QLA_EVT_NACK:
			qla24xx_do_nack_work(vha, e);
			break;
5024 5025 5026 5027 5028 5029 5030
		case QLA_EVT_ASYNC_PRLO:
			qla2x00_async_prlo(vha, e->u.logio.fcport);
			break;
		case QLA_EVT_ASYNC_PRLO_DONE:
			qla2x00_async_prlo_done(vha, e->u.logio.fcport,
			    e->u.logio.data);
			break;
5031 5032 5033 5034 5035 5036 5037 5038 5039 5040 5041 5042 5043 5044 5045
		case QLA_EVT_GPNFT:
			qla24xx_async_gpnft(vha, e->u.gpnft.fc4_type);
			break;
		case QLA_EVT_GPNFT_DONE:
			qla24xx_async_gpnft_done(vha, e->u.iosb.sp);
			break;
		case QLA_EVT_GNNFT_DONE:
			qla24xx_async_gnnft_done(vha, e->u.iosb.sp);
			break;
		case QLA_EVT_GNNID:
			qla24xx_async_gnnid(vha, e->u.fcport.fcport);
			break;
		case QLA_EVT_GFPNID:
			qla24xx_async_gfpnid(vha, e->u.fcport.fcport);
			break;
5046 5047
		case QLA_EVT_SP_RETRY:
			qla_sp_retry(vha, e);
5048 5049 5050
		}
		if (e->flags & QLA_EVT_FLAG_FREE)
			kfree(e);
5051 5052 5053

		/* For each work completed decrement vha ref count */
		QLA_VHA_MARK_NOT_BUSY(vha);
5054 5055
	}
}
5056

5057 5058 5059 5060 5061 5062 5063 5064 5065 5066 5067 5068 5069 5070
int qla24xx_post_relogin_work(struct scsi_qla_host *vha)
{
	struct qla_work_evt *e;

	e = qla2x00_alloc_work(vha, QLA_EVT_RELOGIN);

	if (!e) {
		set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
		return QLA_FUNCTION_FAILED;
	}

	return qla2x00_post_work(vha, e);
}

5071 5072 5073 5074 5075 5076
/* Relogins all the fcports of a vport
 * Context: dpc thread
 */
void qla2x00_relogin(struct scsi_qla_host *vha)
{
	fc_port_t       *fcport;
5077
	int status;
5078
	struct event_arg ea;
5079 5080

	list_for_each_entry(fcport, &vha->vp_fcports, list) {
5081 5082 5083 5084
		/*
		 * If the port is not ONLINE then try to login
		 * to it if we haven't run out of retries.
		 */
5085
		if (atomic_read(&fcport->state) != FCS_ONLINE &&
5086 5087
		    fcport->login_retry &&
		    !(fcport->flags & (FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE))) {
5088
			if (vha->hw->current_topology != ISP_CFG_NL) {
5089
				ql_dbg(ql_dbg_disc, fcport->vha, 0x2108,
5090 5091 5092 5093 5094 5095 5096
				    "%s %8phC DS %d LS %d\n", __func__,
				    fcport->port_name, fcport->disc_state,
				    fcport->fw_login_state);
				memset(&ea, 0, sizeof(ea));
				ea.event = FCME_RELOGIN;
				ea.fcport = fcport;
				qla2x00_fcport_event_handler(vha, &ea);
5097
			} else if (vha->hw->current_topology == ISP_CFG_NL) {
5098
				fcport->login_retry--;
5099 5100
				status = qla2x00_local_device_login(vha,
								fcport);
5101 5102 5103 5104 5105 5106 5107 5108 5109 5110 5111 5112 5113 5114 5115 5116
				if (status == QLA_SUCCESS) {
					fcport->old_loop_id = fcport->loop_id;
					ql_dbg(ql_dbg_disc, vha, 0x2003,
					    "Port login OK: logged in ID 0x%x.\n",
					    fcport->loop_id);
					qla2x00_update_fcport(vha, fcport);
				} else if (status == 1) {
					set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
					/* retry the login again */
					ql_dbg(ql_dbg_disc, vha, 0x2007,
					    "Retrying %d login again loop_id 0x%x.\n",
					    fcport->login_retry,
					    fcport->loop_id);
				} else {
					fcport->login_retry = 0;
				}
5117

5118 5119 5120
				if (fcport->login_retry == 0 &&
				    status != QLA_SUCCESS)
					qla2x00_clear_loop_id(fcport);
5121 5122 5123 5124
			}
		}
		if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
			break;
5125
	}
5126 5127 5128

	ql_dbg(ql_dbg_disc, vha, 0x400e,
	    "Relogin end.\n");
5129 5130
}

5131 5132 5133 5134 5135 5136 5137 5138 5139 5140 5141 5142 5143 5144 5145 5146 5147 5148 5149 5150 5151 5152 5153 5154 5155 5156 5157 5158 5159 5160 5161
/* Schedule work on any of the dpc-workqueues */
void
qla83xx_schedule_work(scsi_qla_host_t *base_vha, int work_code)
{
	struct qla_hw_data *ha = base_vha->hw;

	switch (work_code) {
	case MBA_IDC_AEN: /* 0x8200 */
		if (ha->dpc_lp_wq)
			queue_work(ha->dpc_lp_wq, &ha->idc_aen);
		break;

	case QLA83XX_NIC_CORE_RESET: /* 0x1 */
		if (!ha->flags.nic_core_reset_hdlr_active) {
			if (ha->dpc_hp_wq)
				queue_work(ha->dpc_hp_wq, &ha->nic_core_reset);
		} else
			ql_dbg(ql_dbg_p3p, base_vha, 0xb05e,
			    "NIC Core reset is already active. Skip "
			    "scheduling it again.\n");
		break;
	case QLA83XX_IDC_STATE_HANDLER: /* 0x2 */
		if (ha->dpc_hp_wq)
			queue_work(ha->dpc_hp_wq, &ha->idc_state_handler);
		break;
	case QLA83XX_NIC_CORE_UNRECOVERABLE: /* 0x3 */
		if (ha->dpc_hp_wq)
			queue_work(ha->dpc_hp_wq, &ha->nic_core_unrecoverable);
		break;
	default:
		ql_log(ql_log_warn, base_vha, 0xb05f,
5162
		    "Unknown work-code=0x%x.\n", work_code);
5163 5164 5165 5166 5167 5168 5169 5170 5171 5172
	}

	return;
}

/* Work: Perform NIC Core Unrecoverable state handling */
void
qla83xx_nic_core_unrecoverable_work(struct work_struct *work)
{
	struct qla_hw_data *ha =
5173
		container_of(work, struct qla_hw_data, nic_core_unrecoverable);
5174 5175 5176 5177 5178 5179 5180 5181 5182 5183 5184 5185 5186 5187 5188 5189 5190 5191 5192 5193 5194
	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
	uint32_t dev_state = 0;

	qla83xx_idc_lock(base_vha, 0);
	qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
	qla83xx_reset_ownership(base_vha);
	if (ha->flags.nic_core_reset_owner) {
		ha->flags.nic_core_reset_owner = 0;
		qla83xx_wr_reg(base_vha, QLA83XX_IDC_DEV_STATE,
		    QLA8XXX_DEV_FAILED);
		ql_log(ql_log_info, base_vha, 0xb060, "HW State: FAILED.\n");
		qla83xx_schedule_work(base_vha, QLA83XX_IDC_STATE_HANDLER);
	}
	qla83xx_idc_unlock(base_vha, 0);
}

/* Work: Execute IDC state handler */
void
qla83xx_idc_state_handler_work(struct work_struct *work)
{
	struct qla_hw_data *ha =
5195
		container_of(work, struct qla_hw_data, idc_state_handler);
5196 5197 5198 5199 5200 5201 5202 5203 5204 5205 5206
	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
	uint32_t dev_state = 0;

	qla83xx_idc_lock(base_vha, 0);
	qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
	if (dev_state == QLA8XXX_DEV_FAILED ||
			dev_state == QLA8XXX_DEV_NEED_QUIESCENT)
		qla83xx_idc_state_handler(base_vha);
	qla83xx_idc_unlock(base_vha, 0);
}

5207
static int
5208 5209 5210 5211 5212 5213 5214 5215 5216 5217 5218 5219 5220 5221 5222 5223 5224 5225 5226 5227 5228 5229 5230 5231 5232 5233 5234 5235 5236 5237 5238 5239 5240 5241 5242 5243 5244
qla83xx_check_nic_core_fw_alive(scsi_qla_host_t *base_vha)
{
	int rval = QLA_SUCCESS;
	unsigned long heart_beat_wait = jiffies + (1 * HZ);
	uint32_t heart_beat_counter1, heart_beat_counter2;

	do {
		if (time_after(jiffies, heart_beat_wait)) {
			ql_dbg(ql_dbg_p3p, base_vha, 0xb07c,
			    "Nic Core f/w is not alive.\n");
			rval = QLA_FUNCTION_FAILED;
			break;
		}

		qla83xx_idc_lock(base_vha, 0);
		qla83xx_rd_reg(base_vha, QLA83XX_FW_HEARTBEAT,
		    &heart_beat_counter1);
		qla83xx_idc_unlock(base_vha, 0);
		msleep(100);
		qla83xx_idc_lock(base_vha, 0);
		qla83xx_rd_reg(base_vha, QLA83XX_FW_HEARTBEAT,
		    &heart_beat_counter2);
		qla83xx_idc_unlock(base_vha, 0);
	} while (heart_beat_counter1 == heart_beat_counter2);

	return rval;
}

/* Work: Perform NIC Core Reset handling */
void
qla83xx_nic_core_reset_work(struct work_struct *work)
{
	struct qla_hw_data *ha =
		container_of(work, struct qla_hw_data, nic_core_reset);
	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
	uint32_t dev_state = 0;

5245 5246 5247 5248 5249 5250 5251
	if (IS_QLA2031(ha)) {
		if (qla2xxx_mctp_dump(base_vha) != QLA_SUCCESS)
			ql_log(ql_log_warn, base_vha, 0xb081,
			    "Failed to dump mctp\n");
		return;
	}

5252 5253 5254 5255 5256 5257 5258 5259 5260 5261 5262 5263 5264 5265 5266 5267 5268 5269 5270 5271 5272 5273 5274 5275 5276 5277 5278 5279 5280 5281 5282 5283 5284 5285 5286 5287 5288 5289 5290 5291 5292 5293 5294 5295 5296 5297 5298 5299 5300 5301 5302 5303 5304 5305 5306 5307 5308 5309 5310 5311 5312 5313 5314 5315 5316 5317 5318 5319 5320 5321 5322 5323 5324
	if (!ha->flags.nic_core_reset_hdlr_active) {
		if (qla83xx_check_nic_core_fw_alive(base_vha) == QLA_SUCCESS) {
			qla83xx_idc_lock(base_vha, 0);
			qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE,
			    &dev_state);
			qla83xx_idc_unlock(base_vha, 0);
			if (dev_state != QLA8XXX_DEV_NEED_RESET) {
				ql_dbg(ql_dbg_p3p, base_vha, 0xb07a,
				    "Nic Core f/w is alive.\n");
				return;
			}
		}

		ha->flags.nic_core_reset_hdlr_active = 1;
		if (qla83xx_nic_core_reset(base_vha)) {
			/* NIC Core reset failed. */
			ql_dbg(ql_dbg_p3p, base_vha, 0xb061,
			    "NIC Core reset failed.\n");
		}
		ha->flags.nic_core_reset_hdlr_active = 0;
	}
}

/* Work: Handle 8200 IDC aens */
void
qla83xx_service_idc_aen(struct work_struct *work)
{
	struct qla_hw_data *ha =
		container_of(work, struct qla_hw_data, idc_aen);
	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
	uint32_t dev_state, idc_control;

	qla83xx_idc_lock(base_vha, 0);
	qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
	qla83xx_rd_reg(base_vha, QLA83XX_IDC_CONTROL, &idc_control);
	qla83xx_idc_unlock(base_vha, 0);
	if (dev_state == QLA8XXX_DEV_NEED_RESET) {
		if (idc_control & QLA83XX_IDC_GRACEFUL_RESET) {
			ql_dbg(ql_dbg_p3p, base_vha, 0xb062,
			    "Application requested NIC Core Reset.\n");
			qla83xx_schedule_work(base_vha, QLA83XX_NIC_CORE_RESET);
		} else if (qla83xx_check_nic_core_fw_alive(base_vha) ==
		    QLA_SUCCESS) {
			ql_dbg(ql_dbg_p3p, base_vha, 0xb07b,
			    "Other protocol driver requested NIC Core Reset.\n");
			qla83xx_schedule_work(base_vha, QLA83XX_NIC_CORE_RESET);
		}
	} else if (dev_state == QLA8XXX_DEV_FAILED ||
			dev_state == QLA8XXX_DEV_NEED_QUIESCENT) {
		qla83xx_schedule_work(base_vha, QLA83XX_IDC_STATE_HANDLER);
	}
}

static void
qla83xx_wait_logic(void)
{
	int i;

	/* Yield CPU */
	if (!in_interrupt()) {
		/*
		 * Wait about 200ms before retrying again.
		 * This controls the number of retries for single
		 * lock operation.
		 */
		msleep(100);
		schedule();
	} else {
		for (i = 0; i < 20; i++)
			cpu_relax(); /* This a nop instr on i386 */
	}
}

5325
static int
5326 5327 5328 5329 5330 5331 5332
qla83xx_force_lock_recovery(scsi_qla_host_t *base_vha)
{
	int rval;
	uint32_t data;
	uint32_t idc_lck_rcvry_stage_mask = 0x3;
	uint32_t idc_lck_rcvry_owner_mask = 0x3c;
	struct qla_hw_data *ha = base_vha->hw;
5333 5334
	ql_dbg(ql_dbg_p3p, base_vha, 0xb086,
	    "Trying force recovery of the IDC lock.\n");
5335 5336 5337 5338 5339 5340 5341 5342 5343 5344 5345 5346 5347 5348 5349 5350 5351 5352 5353 5354 5355 5356 5357 5358 5359 5360 5361 5362 5363 5364 5365 5366 5367 5368 5369 5370 5371 5372 5373 5374 5375 5376 5377 5378 5379 5380 5381 5382 5383 5384 5385

	rval = qla83xx_rd_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY, &data);
	if (rval)
		return rval;

	if ((data & idc_lck_rcvry_stage_mask) > 0) {
		return QLA_SUCCESS;
	} else {
		data = (IDC_LOCK_RECOVERY_STAGE1) | (ha->portnum << 2);
		rval = qla83xx_wr_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY,
		    data);
		if (rval)
			return rval;

		msleep(200);

		rval = qla83xx_rd_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY,
		    &data);
		if (rval)
			return rval;

		if (((data & idc_lck_rcvry_owner_mask) >> 2) == ha->portnum) {
			data &= (IDC_LOCK_RECOVERY_STAGE2 |
					~(idc_lck_rcvry_stage_mask));
			rval = qla83xx_wr_reg(base_vha,
			    QLA83XX_IDC_LOCK_RECOVERY, data);
			if (rval)
				return rval;

			/* Forcefully perform IDC UnLock */
			rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_UNLOCK,
			    &data);
			if (rval)
				return rval;
			/* Clear lock-id by setting 0xff */
			rval = qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID,
			    0xff);
			if (rval)
				return rval;
			/* Clear lock-recovery by setting 0x0 */
			rval = qla83xx_wr_reg(base_vha,
			    QLA83XX_IDC_LOCK_RECOVERY, 0x0);
			if (rval)
				return rval;
		} else
			return QLA_SUCCESS;
	}

	return rval;
}

5386
static int
5387 5388 5389 5390 5391 5392 5393 5394 5395 5396 5397 5398 5399 5400 5401 5402 5403 5404 5405 5406 5407 5408 5409 5410 5411 5412 5413 5414 5415 5416 5417 5418 5419 5420 5421 5422 5423 5424 5425
qla83xx_idc_lock_recovery(scsi_qla_host_t *base_vha)
{
	int rval = QLA_SUCCESS;
	uint32_t o_drv_lockid, n_drv_lockid;
	unsigned long lock_recovery_timeout;

	lock_recovery_timeout = jiffies + QLA83XX_MAX_LOCK_RECOVERY_WAIT;
retry_lockid:
	rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &o_drv_lockid);
	if (rval)
		goto exit;

	/* MAX wait time before forcing IDC Lock recovery = 2 secs */
	if (time_after_eq(jiffies, lock_recovery_timeout)) {
		if (qla83xx_force_lock_recovery(base_vha) == QLA_SUCCESS)
			return QLA_SUCCESS;
		else
			return QLA_FUNCTION_FAILED;
	}

	rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &n_drv_lockid);
	if (rval)
		goto exit;

	if (o_drv_lockid == n_drv_lockid) {
		qla83xx_wait_logic();
		goto retry_lockid;
	} else
		return QLA_SUCCESS;

exit:
	return rval;
}

void
qla83xx_idc_lock(scsi_qla_host_t *base_vha, uint16_t requester_id)
{
	uint16_t options = (requester_id << 15) | BIT_6;
	uint32_t data;
5426
	uint32_t lock_owner;
5427 5428 5429 5430 5431 5432 5433 5434 5435 5436 5437
	struct qla_hw_data *ha = base_vha->hw;

	/* IDC-lock implementation using driver-lock/lock-id remote registers */
retry_lock:
	if (qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCK, &data)
	    == QLA_SUCCESS) {
		if (data) {
			/* Setting lock-id to our function-number */
			qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID,
			    ha->portnum);
		} else {
5438 5439
			qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID,
			    &lock_owner);
5440
			ql_dbg(ql_dbg_p3p, base_vha, 0xb063,
5441 5442
			    "Failed to acquire IDC lock, acquired by %d, "
			    "retrying...\n", lock_owner);
5443 5444 5445 5446 5447 5448 5449 5450 5451 5452 5453 5454 5455 5456 5457 5458 5459 5460 5461 5462 5463 5464 5465 5466 5467 5468 5469 5470 5471 5472 5473 5474 5475 5476 5477

			/* Retry/Perform IDC-Lock recovery */
			if (qla83xx_idc_lock_recovery(base_vha)
			    == QLA_SUCCESS) {
				qla83xx_wait_logic();
				goto retry_lock;
			} else
				ql_log(ql_log_warn, base_vha, 0xb075,
				    "IDC Lock recovery FAILED.\n");
		}

	}

	return;

	/* XXX: IDC-lock implementation using access-control mbx */
retry_lock2:
	if (qla83xx_access_control(base_vha, options, 0, 0, NULL)) {
		ql_dbg(ql_dbg_p3p, base_vha, 0xb072,
		    "Failed to acquire IDC lock. retrying...\n");
		/* Retry/Perform IDC-Lock recovery */
		if (qla83xx_idc_lock_recovery(base_vha) == QLA_SUCCESS) {
			qla83xx_wait_logic();
			goto retry_lock2;
		} else
			ql_log(ql_log_warn, base_vha, 0xb076,
			    "IDC Lock recovery FAILED.\n");
	}

	return;
}

void
qla83xx_idc_unlock(scsi_qla_host_t *base_vha, uint16_t requester_id)
{
5478 5479 5480 5481
#if 0
	uint16_t options = (requester_id << 15) | BIT_7;
#endif
	uint16_t retry;
5482 5483 5484 5485 5486 5487 5488 5489 5490 5491 5492 5493 5494 5495 5496 5497 5498 5499 5500 5501 5502
	uint32_t data;
	struct qla_hw_data *ha = base_vha->hw;

	/* IDC-unlock implementation using driver-unlock/lock-id
	 * remote registers
	 */
	retry = 0;
retry_unlock:
	if (qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &data)
	    == QLA_SUCCESS) {
		if (data == ha->portnum) {
			qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_UNLOCK, &data);
			/* Clearing lock-id by setting 0xff */
			qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID, 0xff);
		} else if (retry < 10) {
			/* SV: XXX: IDC unlock retrying needed here? */

			/* Retry for IDC-unlock */
			qla83xx_wait_logic();
			retry++;
			ql_dbg(ql_dbg_p3p, base_vha, 0xb064,
5503
			    "Failed to release IDC lock, retrying=%d\n", retry);
5504 5505 5506 5507 5508 5509 5510
			goto retry_unlock;
		}
	} else if (retry < 10) {
		/* Retry for IDC-unlock */
		qla83xx_wait_logic();
		retry++;
		ql_dbg(ql_dbg_p3p, base_vha, 0xb065,
5511
		    "Failed to read drv-lockid, retrying=%d\n", retry);
5512 5513 5514 5515 5516
		goto retry_unlock;
	}

	return;

5517
#if 0
5518 5519 5520 5521 5522 5523 5524 5525 5526
	/* XXX: IDC-unlock implementation using access-control mbx */
	retry = 0;
retry_unlock2:
	if (qla83xx_access_control(base_vha, options, 0, 0, NULL)) {
		if (retry < 10) {
			/* Retry for IDC-unlock */
			qla83xx_wait_logic();
			retry++;
			ql_dbg(ql_dbg_p3p, base_vha, 0xb066,
5527
			    "Failed to release IDC lock, retrying=%d\n", retry);
5528 5529 5530 5531 5532
			goto retry_unlock2;
		}
	}

	return;
5533
#endif
5534 5535 5536 5537 5538 5539 5540 5541 5542 5543 5544 5545 5546 5547 5548 5549 5550 5551 5552 5553 5554 5555 5556 5557 5558 5559 5560 5561 5562 5563 5564 5565 5566 5567 5568 5569 5570 5571 5572 5573 5574 5575 5576 5577 5578 5579 5580 5581 5582 5583 5584 5585 5586 5587 5588 5589 5590 5591 5592 5593
}

int
__qla83xx_set_drv_presence(scsi_qla_host_t *vha)
{
	int rval = QLA_SUCCESS;
	struct qla_hw_data *ha = vha->hw;
	uint32_t drv_presence;

	rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
	if (rval == QLA_SUCCESS) {
		drv_presence |= (1 << ha->portnum);
		rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
		    drv_presence);
	}

	return rval;
}

int
qla83xx_set_drv_presence(scsi_qla_host_t *vha)
{
	int rval = QLA_SUCCESS;

	qla83xx_idc_lock(vha, 0);
	rval = __qla83xx_set_drv_presence(vha);
	qla83xx_idc_unlock(vha, 0);

	return rval;
}

int
__qla83xx_clear_drv_presence(scsi_qla_host_t *vha)
{
	int rval = QLA_SUCCESS;
	struct qla_hw_data *ha = vha->hw;
	uint32_t drv_presence;

	rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
	if (rval == QLA_SUCCESS) {
		drv_presence &= ~(1 << ha->portnum);
		rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
		    drv_presence);
	}

	return rval;
}

int
qla83xx_clear_drv_presence(scsi_qla_host_t *vha)
{
	int rval = QLA_SUCCESS;

	qla83xx_idc_lock(vha, 0);
	rval = __qla83xx_clear_drv_presence(vha);
	qla83xx_idc_unlock(vha, 0);

	return rval;
}

5594
static void
5595 5596 5597 5598 5599 5600 5601 5602 5603 5604 5605
qla83xx_need_reset_handler(scsi_qla_host_t *vha)
{
	struct qla_hw_data *ha = vha->hw;
	uint32_t drv_ack, drv_presence;
	unsigned long ack_timeout;

	/* Wait for IDC ACK from all functions (DRV-ACK == DRV-PRESENCE) */
	ack_timeout = jiffies + (ha->fcoe_reset_timeout * HZ);
	while (1) {
		qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
		qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
5606
		if ((drv_ack & drv_presence) == drv_presence)
5607 5608 5609 5610 5611 5612 5613 5614 5615 5616 5617 5618 5619 5620 5621 5622 5623 5624 5625 5626 5627 5628 5629 5630 5631 5632
			break;

		if (time_after_eq(jiffies, ack_timeout)) {
			ql_log(ql_log_warn, vha, 0xb067,
			    "RESET ACK TIMEOUT! drv_presence=0x%x "
			    "drv_ack=0x%x\n", drv_presence, drv_ack);
			/*
			 * The function(s) which did not ack in time are forced
			 * to withdraw any further participation in the IDC
			 * reset.
			 */
			if (drv_ack != drv_presence)
				qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
				    drv_ack);
			break;
		}

		qla83xx_idc_unlock(vha, 0);
		msleep(1000);
		qla83xx_idc_lock(vha, 0);
	}

	qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_COLD);
	ql_log(ql_log_info, vha, 0xb068, "HW State: COLD/RE-INIT.\n");
}

5633
static int
5634 5635 5636 5637 5638 5639 5640 5641 5642 5643 5644 5645 5646 5647 5648 5649 5650 5651 5652 5653 5654 5655 5656 5657 5658 5659 5660 5661 5662 5663 5664 5665 5666 5667 5668 5669 5670 5671 5672 5673 5674 5675 5676 5677 5678 5679 5680 5681 5682 5683 5684 5685 5686 5687 5688 5689 5690 5691 5692 5693 5694 5695 5696 5697 5698 5699 5700 5701 5702 5703 5704 5705 5706 5707 5708 5709 5710 5711 5712 5713 5714 5715 5716 5717 5718 5719 5720 5721 5722 5723 5724 5725 5726 5727 5728 5729 5730 5731 5732 5733 5734 5735 5736 5737 5738 5739 5740 5741 5742 5743 5744 5745 5746 5747 5748 5749 5750 5751 5752 5753 5754 5755 5756 5757 5758 5759 5760 5761 5762 5763 5764 5765 5766
qla83xx_device_bootstrap(scsi_qla_host_t *vha)
{
	int rval = QLA_SUCCESS;
	uint32_t idc_control;

	qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_INITIALIZING);
	ql_log(ql_log_info, vha, 0xb069, "HW State: INITIALIZING.\n");

	/* Clearing IDC-Control Graceful-Reset Bit before resetting f/w */
	__qla83xx_get_idc_control(vha, &idc_control);
	idc_control &= ~QLA83XX_IDC_GRACEFUL_RESET;
	__qla83xx_set_idc_control(vha, 0);

	qla83xx_idc_unlock(vha, 0);
	rval = qla83xx_restart_nic_firmware(vha);
	qla83xx_idc_lock(vha, 0);

	if (rval != QLA_SUCCESS) {
		ql_log(ql_log_fatal, vha, 0xb06a,
		    "Failed to restart NIC f/w.\n");
		qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_FAILED);
		ql_log(ql_log_info, vha, 0xb06b, "HW State: FAILED.\n");
	} else {
		ql_dbg(ql_dbg_p3p, vha, 0xb06c,
		    "Success in restarting nic f/w.\n");
		qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_READY);
		ql_log(ql_log_info, vha, 0xb06d, "HW State: READY.\n");
	}

	return rval;
}

/* Assumes idc_lock always held on entry */
int
qla83xx_idc_state_handler(scsi_qla_host_t *base_vha)
{
	struct qla_hw_data *ha = base_vha->hw;
	int rval = QLA_SUCCESS;
	unsigned long dev_init_timeout;
	uint32_t dev_state;

	/* Wait for MAX-INIT-TIMEOUT for the device to go ready */
	dev_init_timeout = jiffies + (ha->fcoe_dev_init_timeout * HZ);

	while (1) {

		if (time_after_eq(jiffies, dev_init_timeout)) {
			ql_log(ql_log_warn, base_vha, 0xb06e,
			    "Initialization TIMEOUT!\n");
			/* Init timeout. Disable further NIC Core
			 * communication.
			 */
			qla83xx_wr_reg(base_vha, QLA83XX_IDC_DEV_STATE,
				QLA8XXX_DEV_FAILED);
			ql_log(ql_log_info, base_vha, 0xb06f,
			    "HW State: FAILED.\n");
		}

		qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
		switch (dev_state) {
		case QLA8XXX_DEV_READY:
			if (ha->flags.nic_core_reset_owner)
				qla83xx_idc_audit(base_vha,
				    IDC_AUDIT_COMPLETION);
			ha->flags.nic_core_reset_owner = 0;
			ql_dbg(ql_dbg_p3p, base_vha, 0xb070,
			    "Reset_owner reset by 0x%x.\n",
			    ha->portnum);
			goto exit;
		case QLA8XXX_DEV_COLD:
			if (ha->flags.nic_core_reset_owner)
				rval = qla83xx_device_bootstrap(base_vha);
			else {
			/* Wait for AEN to change device-state */
				qla83xx_idc_unlock(base_vha, 0);
				msleep(1000);
				qla83xx_idc_lock(base_vha, 0);
			}
			break;
		case QLA8XXX_DEV_INITIALIZING:
			/* Wait for AEN to change device-state */
			qla83xx_idc_unlock(base_vha, 0);
			msleep(1000);
			qla83xx_idc_lock(base_vha, 0);
			break;
		case QLA8XXX_DEV_NEED_RESET:
			if (!ql2xdontresethba && ha->flags.nic_core_reset_owner)
				qla83xx_need_reset_handler(base_vha);
			else {
				/* Wait for AEN to change device-state */
				qla83xx_idc_unlock(base_vha, 0);
				msleep(1000);
				qla83xx_idc_lock(base_vha, 0);
			}
			/* reset timeout value after need reset handler */
			dev_init_timeout = jiffies +
			    (ha->fcoe_dev_init_timeout * HZ);
			break;
		case QLA8XXX_DEV_NEED_QUIESCENT:
			/* XXX: DEBUG for now */
			qla83xx_idc_unlock(base_vha, 0);
			msleep(1000);
			qla83xx_idc_lock(base_vha, 0);
			break;
		case QLA8XXX_DEV_QUIESCENT:
			/* XXX: DEBUG for now */
			if (ha->flags.quiesce_owner)
				goto exit;

			qla83xx_idc_unlock(base_vha, 0);
			msleep(1000);
			qla83xx_idc_lock(base_vha, 0);
			dev_init_timeout = jiffies +
			    (ha->fcoe_dev_init_timeout * HZ);
			break;
		case QLA8XXX_DEV_FAILED:
			if (ha->flags.nic_core_reset_owner)
				qla83xx_idc_audit(base_vha,
				    IDC_AUDIT_COMPLETION);
			ha->flags.nic_core_reset_owner = 0;
			__qla83xx_clear_drv_presence(base_vha);
			qla83xx_idc_unlock(base_vha, 0);
			qla8xxx_dev_failed_handler(base_vha);
			rval = QLA_FUNCTION_FAILED;
			qla83xx_idc_lock(base_vha, 0);
			goto exit;
		case QLA8XXX_BAD_VALUE:
			qla83xx_idc_unlock(base_vha, 0);
			msleep(1000);
			qla83xx_idc_lock(base_vha, 0);
			break;
		default:
			ql_log(ql_log_warn, base_vha, 0xb071,
5767
			    "Unknown Device State: %x.\n", dev_state);
5768 5769 5770 5771 5772 5773 5774 5775 5776 5777 5778 5779
			qla83xx_idc_unlock(base_vha, 0);
			qla8xxx_dev_failed_handler(base_vha);
			rval = QLA_FUNCTION_FAILED;
			qla83xx_idc_lock(base_vha, 0);
			goto exit;
		}
	}

exit:
	return rval;
}

5780 5781 5782 5783 5784 5785 5786 5787
void
qla2x00_disable_board_on_pci_error(struct work_struct *work)
{
	struct qla_hw_data *ha = container_of(work, struct qla_hw_data,
	    board_disable);
	struct pci_dev *pdev = ha->pdev;
	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);

5788 5789
	/*
	 * if UNLOAD flag is already set, then continue unload,
5790 5791 5792 5793 5794
	 * where it was set first.
	 */
	if (test_bit(UNLOADING, &base_vha->dpc_flags))
		return;

5795 5796 5797
	ql_log(ql_log_warn, base_vha, 0x015b,
	    "Disabling adapter.\n");

5798 5799 5800 5801 5802 5803 5804
	if (!atomic_read(&pdev->enable_cnt)) {
		ql_log(ql_log_info, base_vha, 0xfffc,
		    "PCI device disabled, no action req for PCI error=%lx\n",
		    base_vha->pci_flags);
		return;
	}

5805 5806
	qla2x00_wait_for_sess_deletion(base_vha);

5807 5808 5809 5810 5811 5812 5813 5814 5815 5816 5817 5818 5819 5820 5821 5822 5823 5824 5825 5826 5827 5828 5829 5830 5831 5832 5833 5834 5835 5836
	set_bit(UNLOADING, &base_vha->dpc_flags);

	qla2x00_delete_all_vps(ha, base_vha);

	qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);

	qla2x00_dfs_remove(base_vha);

	qla84xx_put_chip(base_vha);

	if (base_vha->timer_active)
		qla2x00_stop_timer(base_vha);

	base_vha->flags.online = 0;

	qla2x00_destroy_deferred_work(ha);

	/*
	 * Do not try to stop beacon blink as it will issue a mailbox
	 * command.
	 */
	qla2x00_free_sysfs_attr(base_vha, false);

	fc_remove_host(base_vha->host);

	scsi_remove_host(base_vha->host);

	base_vha->flags.init_done = 0;
	qla25xx_delete_queues(base_vha);
	qla2x00_free_fcports(base_vha);
5837
	qla2x00_free_irqs(base_vha);
5838 5839 5840 5841 5842 5843 5844 5845 5846 5847
	qla2x00_mem_free(ha);
	qla82xx_md_free(base_vha);
	qla2x00_free_queues(ha);

	qla2x00_unmap_iobases(ha);

	pci_release_selected_regions(ha->pdev, ha->bars);
	pci_disable_pcie_error_reporting(pdev);
	pci_disable_device(pdev);

5848 5849 5850
	/*
	 * Let qla2x00_remove_one cleanup qla_hw_data on device removal.
	 */
5851 5852
}

L
Linus Torvalds 已提交
5853 5854 5855 5856 5857 5858 5859 5860 5861 5862 5863 5864 5865 5866 5867 5868
/**************************************************************************
* qla2x00_do_dpc
*   This kernel thread is a task that is schedule by the interrupt handler
*   to perform the background processing for interrupts.
*
* Notes:
* This task always run in the context of a kernel thread.  It
* is kick-off by the driver's detect code and starts up
* up one per adapter. It immediately goes to sleep and waits for
* some fibre event.  When either the interrupt handler or
* the timer routine detects a event it will one of the task
* bits then wake us up.
**************************************************************************/
static int
qla2x00_do_dpc(void *data)
{
5869 5870
	scsi_qla_host_t *base_vha;
	struct qla_hw_data *ha;
5871 5872
	uint32_t online;
	struct qla_qpair *qpair;
L
Linus Torvalds 已提交
5873

5874 5875
	ha = (struct qla_hw_data *)data;
	base_vha = pci_get_drvdata(ha->pdev);
L
Linus Torvalds 已提交
5876

5877
	set_user_nice(current, MIN_NICE);
L
Linus Torvalds 已提交
5878

5879
	set_current_state(TASK_INTERRUPTIBLE);
5880
	while (!kthread_should_stop()) {
5881 5882
		ql_dbg(ql_dbg_dpc, base_vha, 0x4000,
		    "DPC handler sleeping.\n");
L
Linus Torvalds 已提交
5883

5884
		schedule();
L
Linus Torvalds 已提交
5885

5886 5887
		if (!base_vha->flags.init_done || ha->flags.mbox_busy)
			goto end_loop;
L
Linus Torvalds 已提交
5888

5889
		if (ha->flags.eeh_busy) {
5890 5891
			ql_dbg(ql_dbg_dpc, base_vha, 0x4003,
			    "eeh_busy=%d.\n", ha->flags.eeh_busy);
5892
			goto end_loop;
5893 5894
		}

L
Linus Torvalds 已提交
5895 5896
		ha->dpc_active = 1;

5897 5898 5899
		ql_dbg(ql_dbg_dpc + ql_dbg_verbose, base_vha, 0x4001,
		    "DPC handler waking up, dpc_flags=0x%lx.\n",
		    base_vha->dpc_flags);
L
Linus Torvalds 已提交
5900

5901 5902 5903
		if (test_bit(UNLOADING, &base_vha->dpc_flags))
			break;

5904 5905 5906 5907 5908 5909 5910 5911 5912 5913 5914 5915 5916 5917 5918 5919 5920 5921 5922 5923 5924 5925 5926 5927 5928 5929 5930
		if (IS_P3P_TYPE(ha)) {
			if (IS_QLA8044(ha)) {
				if (test_and_clear_bit(ISP_UNRECOVERABLE,
					&base_vha->dpc_flags)) {
					qla8044_idc_lock(ha);
					qla8044_wr_direct(base_vha,
						QLA8044_CRB_DEV_STATE_INDEX,
						QLA8XXX_DEV_FAILED);
					qla8044_idc_unlock(ha);
					ql_log(ql_log_info, base_vha, 0x4004,
						"HW State: FAILED.\n");
					qla8044_device_state_handler(base_vha);
					continue;
				}

			} else {
				if (test_and_clear_bit(ISP_UNRECOVERABLE,
					&base_vha->dpc_flags)) {
					qla82xx_idc_lock(ha);
					qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
						QLA8XXX_DEV_FAILED);
					qla82xx_idc_unlock(ha);
					ql_log(ql_log_info, base_vha, 0x0151,
						"HW State: FAILED.\n");
					qla82xx_device_state_handler(base_vha);
					continue;
				}
5931 5932 5933 5934 5935
			}

			if (test_and_clear_bit(FCOE_CTX_RESET_NEEDED,
				&base_vha->dpc_flags)) {

5936 5937
				ql_dbg(ql_dbg_dpc, base_vha, 0x4005,
				    "FCoE context reset scheduled.\n");
5938 5939 5940 5941 5942 5943 5944 5945 5946 5947 5948 5949 5950
				if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
					&base_vha->dpc_flags))) {
					if (qla82xx_fcoe_ctx_reset(base_vha)) {
						/* FCoE-ctx reset failed.
						 * Escalate to chip-reset
						 */
						set_bit(ISP_ABORT_NEEDED,
							&base_vha->dpc_flags);
					}
					clear_bit(ABORT_ISP_ACTIVE,
						&base_vha->dpc_flags);
				}

5951 5952
				ql_dbg(ql_dbg_dpc, base_vha, 0x4006,
				    "FCoE context reset end.\n");
5953
			}
5954 5955 5956 5957 5958 5959 5960 5961
		} else if (IS_QLAFX00(ha)) {
			if (test_and_clear_bit(ISP_UNRECOVERABLE,
				&base_vha->dpc_flags)) {
				ql_dbg(ql_dbg_dpc, base_vha, 0x4020,
				    "Firmware Reset Recovery\n");
				if (qlafx00_reset_initialize(base_vha)) {
					/* Failed. Abort isp later. */
					if (!test_bit(UNLOADING,
5962
					    &base_vha->dpc_flags)) {
5963 5964 5965 5966 5967
						set_bit(ISP_UNRECOVERABLE,
						    &base_vha->dpc_flags);
						ql_dbg(ql_dbg_dpc, base_vha,
						    0x4021,
						    "Reset Recovery Failed\n");
5968
					}
5969 5970 5971 5972 5973 5974 5975 5976 5977 5978 5979 5980 5981 5982 5983 5984 5985 5986
				}
			}

			if (test_and_clear_bit(FX00_TARGET_SCAN,
				&base_vha->dpc_flags)) {
				ql_dbg(ql_dbg_dpc, base_vha, 0x4022,
				    "ISPFx00 Target Scan scheduled\n");
				if (qlafx00_rescan_isp(base_vha)) {
					if (!test_bit(UNLOADING,
					    &base_vha->dpc_flags))
						set_bit(ISP_UNRECOVERABLE,
						    &base_vha->dpc_flags);
					ql_dbg(ql_dbg_dpc, base_vha, 0x401e,
					    "ISPFx00 Target Scan Failed\n");
				}
				ql_dbg(ql_dbg_dpc, base_vha, 0x401f,
				    "ISPFx00 Target Scan End\n");
			}
5987 5988 5989 5990 5991 5992 5993 5994
			if (test_and_clear_bit(FX00_HOST_INFO_RESEND,
				&base_vha->dpc_flags)) {
				ql_dbg(ql_dbg_dpc, base_vha, 0x4023,
				    "ISPFx00 Host Info resend scheduled\n");
				qlafx00_fx_disc(base_vha,
				    &base_vha->hw->mr.fcport,
				    FXDISC_REG_HOST_INFO);
			}
5995 5996
		}

5997 5998 5999 6000 6001 6002 6003 6004 6005 6006
		if (test_and_clear_bit(DETECT_SFP_CHANGE,
			&base_vha->dpc_flags) &&
		    !test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) {
			qla24xx_detect_sfp(base_vha);

			if (ha->flags.detected_lr_sfp !=
			    ha->flags.using_lr_setting)
				set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
		}

6007 6008
		if (test_and_clear_bit(ISP_ABORT_NEEDED,
						&base_vha->dpc_flags)) {
L
Linus Torvalds 已提交
6009

6010 6011
			ql_dbg(ql_dbg_dpc, base_vha, 0x4007,
			    "ISP abort scheduled.\n");
L
Linus Torvalds 已提交
6012
			if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
6013
			    &base_vha->dpc_flags))) {
L
Linus Torvalds 已提交
6014

6015
				if (ha->isp_ops->abort_isp(base_vha)) {
L
Linus Torvalds 已提交
6016 6017
					/* failed. retry later */
					set_bit(ISP_ABORT_NEEDED,
6018
					    &base_vha->dpc_flags);
6019
				}
6020 6021
				clear_bit(ABORT_ISP_ACTIVE,
						&base_vha->dpc_flags);
6022 6023
			}

6024 6025
			ql_dbg(ql_dbg_dpc, base_vha, 0x4008,
			    "ISP abort end.\n");
L
Linus Torvalds 已提交
6026 6027
		}

6028 6029
		if (test_and_clear_bit(FCPORT_UPDATE_NEEDED,
		    &base_vha->dpc_flags)) {
6030
			qla2x00_update_fcports(base_vha);
6031
		}
6032

6033 6034 6035
		if (IS_QLAFX00(ha))
			goto loop_resync_check;

6036
		if (test_bit(ISP_QUIESCE_NEEDED, &base_vha->dpc_flags)) {
6037 6038
			ql_dbg(ql_dbg_dpc, base_vha, 0x4009,
			    "Quiescence mode scheduled.\n");
6039 6040 6041 6042 6043
			if (IS_P3P_TYPE(ha)) {
				if (IS_QLA82XX(ha))
					qla82xx_device_state_handler(base_vha);
				if (IS_QLA8044(ha))
					qla8044_device_state_handler(base_vha);
6044 6045 6046 6047
				clear_bit(ISP_QUIESCE_NEEDED,
				    &base_vha->dpc_flags);
				if (!ha->flags.quiesce_owner) {
					qla2x00_perform_loop_resync(base_vha);
6048 6049 6050 6051 6052 6053 6054 6055 6056 6057 6058
					if (IS_QLA82XX(ha)) {
						qla82xx_idc_lock(ha);
						qla82xx_clear_qsnt_ready(
						    base_vha);
						qla82xx_idc_unlock(ha);
					} else if (IS_QLA8044(ha)) {
						qla8044_idc_lock(ha);
						qla8044_clear_qsnt_ready(
						    base_vha);
						qla8044_idc_unlock(ha);
					}
6059 6060 6061 6062 6063
				}
			} else {
				clear_bit(ISP_QUIESCE_NEEDED,
				    &base_vha->dpc_flags);
				qla2x00_quiesce_io(base_vha);
6064
			}
6065 6066
			ql_dbg(ql_dbg_dpc, base_vha, 0x400a,
			    "Quiescence mode end.\n");
6067 6068
		}

6069
		if (test_and_clear_bit(RESET_MARKER_NEEDED,
6070
				&base_vha->dpc_flags) &&
6071
		    (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) {
L
Linus Torvalds 已提交
6072

6073 6074
			ql_dbg(ql_dbg_dpc, base_vha, 0x400b,
			    "Reset marker scheduled.\n");
6075 6076
			qla2x00_rst_aen(base_vha);
			clear_bit(RESET_ACTIVE, &base_vha->dpc_flags);
6077 6078
			ql_dbg(ql_dbg_dpc, base_vha, 0x400c,
			    "Reset marker end.\n");
L
Linus Torvalds 已提交
6079 6080 6081
		}

		/* Retry each device up to login retry count */
6082
		if (test_bit(RELOGIN_NEEDED, &base_vha->dpc_flags) &&
6083 6084
		    !test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags) &&
		    atomic_read(&base_vha->loop_state) != LOOP_DOWN) {
L
Linus Torvalds 已提交
6085

6086 6087 6088 6089 6090
			if (!base_vha->relogin_jif ||
			    time_after_eq(jiffies, base_vha->relogin_jif)) {
				base_vha->relogin_jif = jiffies + HZ;
				clear_bit(RELOGIN_NEEDED, &base_vha->dpc_flags);

6091
				ql_dbg(ql_dbg_disc, base_vha, 0x400d,
6092
				    "Relogin scheduled.\n");
6093
				qla24xx_post_relogin_work(base_vha);
6094
			}
L
Linus Torvalds 已提交
6095
		}
6096
loop_resync_check:
6097
		if (test_and_clear_bit(LOOP_RESYNC_NEEDED,
6098
		    &base_vha->dpc_flags)) {
L
Linus Torvalds 已提交
6099

6100 6101
			ql_dbg(ql_dbg_dpc, base_vha, 0x400f,
			    "Loop resync scheduled.\n");
L
Linus Torvalds 已提交
6102 6103

			if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
6104
			    &base_vha->dpc_flags))) {
L
Linus Torvalds 已提交
6105

6106
				qla2x00_loop_resync(base_vha);
L
Linus Torvalds 已提交
6107

6108 6109
				clear_bit(LOOP_RESYNC_ACTIVE,
						&base_vha->dpc_flags);
L
Linus Torvalds 已提交
6110 6111
			}

6112 6113
			ql_dbg(ql_dbg_dpc, base_vha, 0x4010,
			    "Loop resync end.\n");
L
Linus Torvalds 已提交
6114 6115
		}

6116 6117 6118
		if (IS_QLAFX00(ha))
			goto intr_on_check;

6119 6120 6121 6122
		if (test_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags) &&
		    atomic_read(&base_vha->loop_state) == LOOP_READY) {
			clear_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags);
			qla2xxx_flash_npiv_conf(base_vha);
6123 6124
		}

6125
intr_on_check:
L
Linus Torvalds 已提交
6126
		if (!ha->interrupts_on)
6127
			ha->isp_ops->enable_intrs(ha);
L
Linus Torvalds 已提交
6128

6129
		if (test_and_clear_bit(BEACON_BLINK_NEEDED,
6130 6131 6132 6133
					&base_vha->dpc_flags)) {
			if (ha->beacon_blink_led == 1)
				ha->isp_ops->beacon_blink(base_vha);
		}
6134

6135 6136 6137 6138 6139 6140 6141 6142 6143 6144 6145 6146 6147 6148 6149 6150
		/* qpair online check */
		if (test_and_clear_bit(QPAIR_ONLINE_CHECK_NEEDED,
		    &base_vha->dpc_flags)) {
			if (ha->flags.eeh_busy ||
			    ha->flags.pci_channel_io_perm_failure)
				online = 0;
			else
				online = 1;

			mutex_lock(&ha->mq_lock);
			list_for_each_entry(qpair, &base_vha->qp_list,
			    qp_list_elem)
			qpair->online = online;
			mutex_unlock(&ha->mq_lock);
		}

6151 6152 6153 6154 6155 6156 6157 6158 6159 6160 6161
		if (test_and_clear_bit(SET_ZIO_THRESHOLD_NEEDED, &base_vha->dpc_flags)) {
			ql_log(ql_log_info, base_vha, 0xffffff,
				"nvme: SET ZIO Activity exchange threshold to %d.\n",
						ha->nvme_last_rptd_aen);
			if (qla27xx_set_zio_threshold(base_vha, ha->nvme_last_rptd_aen)) {
				ql_log(ql_log_info, base_vha, 0xffffff,
					"nvme: Unable to SET ZIO Activity exchange threshold to %d.\n",
						ha->nvme_last_rptd_aen);
			}
		}

6162 6163
		if (!IS_QLAFX00(ha))
			qla2x00_do_dpc_all_vps(base_vha);
6164

L
Linus Torvalds 已提交
6165
		ha->dpc_active = 0;
6166
end_loop:
6167
		set_current_state(TASK_INTERRUPTIBLE);
L
Linus Torvalds 已提交
6168
	} /* End of while(1) */
6169
	__set_current_state(TASK_RUNNING);
L
Linus Torvalds 已提交
6170

6171 6172
	ql_dbg(ql_dbg_dpc, base_vha, 0x4011,
	    "DPC handler exiting.\n");
L
Linus Torvalds 已提交
6173 6174 6175 6176 6177 6178

	/*
	 * Make sure that nobody tries to wake us up again.
	 */
	ha->dpc_active = 0;

6179 6180 6181
	/* Cleanup any residual CTX SRBs. */
	qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);

6182 6183 6184 6185
	return 0;
}

void
6186
qla2xxx_wake_dpc(struct scsi_qla_host *vha)
6187
{
6188
	struct qla_hw_data *ha = vha->hw;
6189 6190
	struct task_struct *t = ha->dpc_thread;

6191
	if (!test_bit(UNLOADING, &vha->dpc_flags) && t)
6192
		wake_up_process(t);
L
Linus Torvalds 已提交
6193 6194 6195 6196 6197 6198 6199 6200 6201 6202
}

/*
*  qla2x00_rst_aen
*      Processes asynchronous reset.
*
* Input:
*      ha  = adapter block pointer.
*/
static void
6203
qla2x00_rst_aen(scsi_qla_host_t *vha)
L
Linus Torvalds 已提交
6204
{
6205 6206 6207
	if (vha->flags.online && !vha->flags.reset_active &&
	    !atomic_read(&vha->loop_down_timer) &&
	    !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) {
L
Linus Torvalds 已提交
6208
		do {
6209
			clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
L
Linus Torvalds 已提交
6210 6211 6212 6213 6214

			/*
			 * Issue marker command only when we are going to start
			 * the I/O.
			 */
6215 6216 6217
			vha->marker_needed = 1;
		} while (!atomic_read(&vha->loop_down_timer) &&
		    (test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags)));
L
Linus Torvalds 已提交
6218 6219 6220 6221 6222 6223 6224 6225 6226 6227 6228
	}
}

/**************************************************************************
*   qla2x00_timer
*
* Description:
*   One second timer
*
* Context: Interrupt
***************************************************************************/
6229
void
6230
qla2x00_timer(struct timer_list *t)
L
Linus Torvalds 已提交
6231
{
6232
	scsi_qla_host_t *vha = from_timer(vha, t, timer);
L
Linus Torvalds 已提交
6233 6234 6235 6236
	unsigned long	cpu_flags = 0;
	int		start_dpc = 0;
	int		index;
	srb_t		*sp;
6237
	uint16_t        w;
6238
	struct qla_hw_data *ha = vha->hw;
6239
	struct req_que *req;
6240

6241
	if (ha->flags.eeh_busy) {
6242 6243 6244
		ql_dbg(ql_dbg_timer, vha, 0x6000,
		    "EEH = %d, restarting timer.\n",
		    ha->flags.eeh_busy);
6245 6246 6247 6248
		qla2x00_restart_timer(vha, WATCH_INTERVAL);
		return;
	}

6249 6250 6251 6252 6253
	/*
	 * Hardware read to raise pending EEH errors during mailbox waits. If
	 * the read returns -1 then disable the board.
	 */
	if (!pci_channel_offline(ha->pdev)) {
6254
		pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w);
6255
		qla2x00_check_reg16_for_disconnect(vha, w);
6256
	}
L
Linus Torvalds 已提交
6257

6258
	/* Make sure qla82xx_watchdog is run only for physical port */
6259
	if (!vha->vp_idx && IS_P3P_TYPE(ha)) {
6260 6261
		if (test_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags))
			start_dpc++;
6262 6263 6264 6265
		if (IS_QLA82XX(ha))
			qla82xx_watchdog(vha);
		else if (IS_QLA8044(ha))
			qla8044_watchdog(vha);
6266 6267
	}

6268 6269 6270
	if (!vha->vp_idx && IS_QLAFX00(ha))
		qlafx00_timer_routine(vha);

L
Linus Torvalds 已提交
6271
	/* Loop down handler. */
6272
	if (atomic_read(&vha->loop_down_timer) > 0 &&
6273 6274
	    !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) &&
	    !(test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags))
6275
		&& vha->flags.online) {
L
Linus Torvalds 已提交
6276

6277 6278
		if (atomic_read(&vha->loop_down_timer) ==
		    vha->loop_down_abort_time) {
L
Linus Torvalds 已提交
6279

6280 6281
			ql_log(ql_log_info, vha, 0x6008,
			    "Loop down - aborting the queues before time expires.\n");
L
Linus Torvalds 已提交
6282

6283 6284
			if (!IS_QLA2100(ha) && vha->link_down_timeout)
				atomic_set(&vha->loop_state, LOOP_DEAD);
L
Linus Torvalds 已提交
6285

6286 6287 6288 6289
			/*
			 * Schedule an ISP abort to return any FCP2-device
			 * commands.
			 */
6290
			/* NPIV - scan physical port only */
6291
			if (!vha->vp_idx) {
6292 6293
				spin_lock_irqsave(&ha->hardware_lock,
				    cpu_flags);
6294
				req = ha->req_q_map[0];
6295
				for (index = 1;
6296
				    index < req->num_outstanding_cmds;
6297 6298 6299
				    index++) {
					fc_port_t *sfcp;

6300
					sp = req->outstanding_cmds[index];
6301 6302
					if (!sp)
						continue;
6303 6304
					if (sp->cmd_type != TYPE_SRB)
						continue;
6305
					if (sp->type != SRB_SCSI_CMD)
6306
						continue;
6307
					sfcp = sp->fcport;
6308
					if (!(sfcp->flags & FCF_FCP2_DEVICE))
6309
						continue;
6310

6311 6312 6313 6314 6315
					if (IS_QLA82XX(ha))
						set_bit(FCOE_CTX_RESET_NEEDED,
							&vha->dpc_flags);
					else
						set_bit(ISP_ABORT_NEEDED,
6316
							&vha->dpc_flags);
6317 6318 6319
					break;
				}
				spin_unlock_irqrestore(&ha->hardware_lock,
6320
								cpu_flags);
L
Linus Torvalds 已提交
6321 6322 6323 6324 6325
			}
			start_dpc++;
		}

		/* if the loop has been down for 4 minutes, reinit adapter */
6326
		if (atomic_dec_and_test(&vha->loop_down_timer) != 0) {
6327
			if (!(vha->device_flags & DFLG_NO_CABLE)) {
6328
				ql_log(ql_log_warn, vha, 0x6009,
L
Linus Torvalds 已提交
6329 6330
				    "Loop down - aborting ISP.\n");

6331 6332 6333 6334 6335 6336
				if (IS_QLA82XX(ha))
					set_bit(FCOE_CTX_RESET_NEEDED,
						&vha->dpc_flags);
				else
					set_bit(ISP_ABORT_NEEDED,
						&vha->dpc_flags);
L
Linus Torvalds 已提交
6337 6338
			}
		}
6339 6340 6341
		ql_dbg(ql_dbg_timer, vha, 0x600a,
		    "Loop down - seconds remaining %d.\n",
		    atomic_read(&vha->loop_down_timer));
L
Linus Torvalds 已提交
6342
	}
6343 6344
	/* Check if beacon LED needs to be blinked for physical host only */
	if (!vha->vp_idx && (ha->beacon_blink_led == 1)) {
6345
		/* There is no beacon_blink function for ISP82xx */
6346
		if (!IS_P3P_TYPE(ha)) {
6347 6348 6349
			set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags);
			start_dpc++;
		}
6350 6351
	}

6352
	/* Process any deferred work. */
6353 6354 6355 6356 6357 6358 6359 6360 6361 6362 6363
	if (!list_empty(&vha->work_list)) {
		unsigned long flags;
		bool q = false;

		spin_lock_irqsave(&vha->work_lock, flags);
		if (!test_and_set_bit(IOCB_WORK_ACTIVE, &vha->dpc_flags))
			q = true;
		spin_unlock_irqrestore(&vha->work_lock, flags);
		if (q)
			queue_work(vha->hw->wq, &vha->iocb_work);
	}
6364

6365 6366 6367 6368
	/*
	 * FC-NVME
	 * see if the active AEN count has changed from what was last reported.
	 */
6369 6370 6371
	if (!vha->vp_idx &&
		atomic_read(&ha->nvme_active_aen_cnt) != ha->nvme_last_rptd_aen &&
		ha->zio_mode == QLA_ZIO_MODE_6) {
6372
		ql_log(ql_log_info, vha, 0x3002,
6373 6374 6375 6376 6377
			"nvme: Sched: Set ZIO exchange threshold to %d.\n",
			ha->nvme_last_rptd_aen);
		ha->nvme_last_rptd_aen = atomic_read(&ha->nvme_active_aen_cnt);
		set_bit(SET_ZIO_THRESHOLD_NEEDED, &vha->dpc_flags);
		start_dpc++;
6378 6379
	}

L
Linus Torvalds 已提交
6380
	/* Schedule the DPC routine if needed */
6381 6382 6383
	if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
	    test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) ||
	    test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags) ||
L
Linus Torvalds 已提交
6384
	    start_dpc ||
6385 6386
	    test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) ||
	    test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) ||
6387 6388
	    test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags) ||
	    test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) ||
6389
	    test_bit(VP_DPC_NEEDED, &vha->dpc_flags) ||
6390
	    test_bit(RELOGIN_NEEDED, &vha->dpc_flags))) {
6391 6392 6393 6394 6395 6396 6397 6398 6399 6400 6401 6402
		ql_dbg(ql_dbg_timer, vha, 0x600b,
		    "isp_abort_needed=%d loop_resync_needed=%d "
		    "fcport_update_needed=%d start_dpc=%d "
		    "reset_marker_needed=%d",
		    test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags),
		    test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags),
		    test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags),
		    start_dpc,
		    test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags));
		ql_dbg(ql_dbg_timer, vha, 0x600c,
		    "beacon_blink_needed=%d isp_unrecoverable=%d "
		    "fcoe_ctx_reset_needed=%d vp_dpc_needed=%d "
6403
		    "relogin_needed=%d.\n",
6404 6405 6406 6407
		    test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags),
		    test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags),
		    test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags),
		    test_bit(VP_DPC_NEEDED, &vha->dpc_flags),
6408
		    test_bit(RELOGIN_NEEDED, &vha->dpc_flags));
6409
		qla2xxx_wake_dpc(vha);
6410
	}
L
Linus Torvalds 已提交
6411

6412
	qla2x00_restart_timer(vha, WATCH_INTERVAL);
L
Linus Torvalds 已提交
6413 6414
}

6415 6416
/* Firmware interface routines. */

6417
#define FW_BLOBS	11
6418 6419 6420 6421
#define FW_ISP21XX	0
#define FW_ISP22XX	1
#define FW_ISP2300	2
#define FW_ISP2322	3
6422
#define FW_ISP24XX	4
6423
#define FW_ISP25XX	5
6424
#define FW_ISP81XX	6
6425
#define FW_ISP82XX	7
6426 6427
#define FW_ISP2031	8
#define FW_ISP8031	9
6428
#define FW_ISP27XX	10
6429

6430 6431 6432 6433 6434
#define FW_FILE_ISP21XX	"ql2100_fw.bin"
#define FW_FILE_ISP22XX	"ql2200_fw.bin"
#define FW_FILE_ISP2300	"ql2300_fw.bin"
#define FW_FILE_ISP2322	"ql2322_fw.bin"
#define FW_FILE_ISP24XX	"ql2400_fw.bin"
6435
#define FW_FILE_ISP25XX	"ql2500_fw.bin"
6436
#define FW_FILE_ISP81XX	"ql8100_fw.bin"
6437
#define FW_FILE_ISP82XX	"ql8200_fw.bin"
6438 6439
#define FW_FILE_ISP2031	"ql2600_fw.bin"
#define FW_FILE_ISP8031	"ql8300_fw.bin"
6440
#define FW_FILE_ISP27XX	"ql2700_fw.bin"
6441

6442

6443
static DEFINE_MUTEX(qla_fw_lock);
6444 6445

static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
6446 6447 6448 6449 6450
	{ .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
	{ .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
	{ .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
	{ .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
	{ .name = FW_FILE_ISP24XX, },
6451
	{ .name = FW_FILE_ISP25XX, },
6452
	{ .name = FW_FILE_ISP81XX, },
6453
	{ .name = FW_FILE_ISP82XX, },
6454 6455
	{ .name = FW_FILE_ISP2031, },
	{ .name = FW_FILE_ISP8031, },
6456
	{ .name = FW_FILE_ISP27XX, },
6457 6458 6459
};

struct fw_blob *
6460
qla2x00_request_firmware(scsi_qla_host_t *vha)
6461
{
6462
	struct qla_hw_data *ha = vha->hw;
6463 6464 6465 6466 6467 6468
	struct fw_blob *blob;

	if (IS_QLA2100(ha)) {
		blob = &qla_fw_blobs[FW_ISP21XX];
	} else if (IS_QLA2200(ha)) {
		blob = &qla_fw_blobs[FW_ISP22XX];
6469
	} else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
6470
		blob = &qla_fw_blobs[FW_ISP2300];
6471
	} else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
6472
		blob = &qla_fw_blobs[FW_ISP2322];
6473
	} else if (IS_QLA24XX_TYPE(ha)) {
6474
		blob = &qla_fw_blobs[FW_ISP24XX];
6475 6476
	} else if (IS_QLA25XX(ha)) {
		blob = &qla_fw_blobs[FW_ISP25XX];
6477 6478
	} else if (IS_QLA81XX(ha)) {
		blob = &qla_fw_blobs[FW_ISP81XX];
6479 6480
	} else if (IS_QLA82XX(ha)) {
		blob = &qla_fw_blobs[FW_ISP82XX];
6481 6482 6483 6484
	} else if (IS_QLA2031(ha)) {
		blob = &qla_fw_blobs[FW_ISP2031];
	} else if (IS_QLA8031(ha)) {
		blob = &qla_fw_blobs[FW_ISP8031];
6485 6486
	} else if (IS_QLA27XX(ha)) {
		blob = &qla_fw_blobs[FW_ISP27XX];
6487 6488
	} else {
		return NULL;
6489 6490
	}

6491
	mutex_lock(&qla_fw_lock);
6492 6493 6494 6495
	if (blob->fw)
		goto out;

	if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
6496 6497
		ql_log(ql_log_warn, vha, 0x0063,
		    "Failed to load firmware image (%s).\n", blob->name);
6498 6499 6500 6501 6502 6503
		blob->fw = NULL;
		blob = NULL;
		goto out;
	}

out:
6504
	mutex_unlock(&qla_fw_lock);
6505 6506 6507 6508 6509 6510 6511 6512
	return blob;
}

static void
qla2x00_release_firmware(void)
{
	int idx;

6513
	mutex_lock(&qla_fw_lock);
6514
	for (idx = 0; idx < FW_BLOBS; idx++)
6515
		release_firmware(qla_fw_blobs[idx].fw);
6516
	mutex_unlock(&qla_fw_lock);
6517 6518
}

6519 6520 6521
static pci_ers_result_t
qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
{
6522 6523 6524
	scsi_qla_host_t *vha = pci_get_drvdata(pdev);
	struct qla_hw_data *ha = vha->hw;

6525 6526
	ql_dbg(ql_dbg_aer, vha, 0x9000,
	    "PCI error detected, state %x.\n", state);
6527

6528 6529 6530 6531 6532 6533
	if (!atomic_read(&pdev->enable_cnt)) {
		ql_log(ql_log_info, vha, 0xffff,
			"PCI device is disabled,state %x\n", state);
		return PCI_ERS_RESULT_NEED_RESET;
	}

6534 6535
	switch (state) {
	case pci_channel_io_normal:
6536
		ha->flags.eeh_busy = 0;
6537
		if (ql2xmqsupport || ql2xnvmeenable) {
6538 6539 6540
			set_bit(QPAIR_ONLINE_CHECK_NEEDED, &vha->dpc_flags);
			qla2xxx_wake_dpc(vha);
		}
6541 6542
		return PCI_ERS_RESULT_CAN_RECOVER;
	case pci_channel_io_frozen:
6543
		ha->flags.eeh_busy = 1;
6544 6545
		/* For ISP82XX complete any pending mailbox cmd */
		if (IS_QLA82XX(ha)) {
6546
			ha->flags.isp82xx_fw_hung = 1;
6547 6548
			ql_dbg(ql_dbg_aer, vha, 0x9001, "Pci channel io frozen\n");
			qla82xx_clear_pending_mbx(vha);
6549
		}
6550
		qla2x00_free_irqs(vha);
6551
		pci_disable_device(pdev);
6552 6553
		/* Return back all IOs */
		qla2x00_abort_all_cmds(vha, DID_RESET << 16);
6554
		if (ql2xmqsupport || ql2xnvmeenable) {
6555 6556 6557
			set_bit(QPAIR_ONLINE_CHECK_NEEDED, &vha->dpc_flags);
			qla2xxx_wake_dpc(vha);
		}
6558 6559
		return PCI_ERS_RESULT_NEED_RESET;
	case pci_channel_io_perm_failure:
6560 6561
		ha->flags.pci_channel_io_perm_failure = 1;
		qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
6562
		if (ql2xmqsupport || ql2xnvmeenable) {
6563 6564 6565
			set_bit(QPAIR_ONLINE_CHECK_NEEDED, &vha->dpc_flags);
			qla2xxx_wake_dpc(vha);
		}
6566 6567 6568 6569 6570 6571 6572 6573 6574 6575 6576
		return PCI_ERS_RESULT_DISCONNECT;
	}
	return PCI_ERS_RESULT_NEED_RESET;
}

static pci_ers_result_t
qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
{
	int risc_paused = 0;
	uint32_t stat;
	unsigned long flags;
6577 6578
	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
	struct qla_hw_data *ha = base_vha->hw;
6579 6580 6581
	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
	struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;

6582 6583 6584
	if (IS_QLA82XX(ha))
		return PCI_ERS_RESULT_RECOVERED;

6585 6586 6587 6588 6589 6590 6591 6592 6593 6594 6595 6596 6597 6598 6599 6600 6601
	spin_lock_irqsave(&ha->hardware_lock, flags);
	if (IS_QLA2100(ha) || IS_QLA2200(ha)){
		stat = RD_REG_DWORD(&reg->hccr);
		if (stat & HCCR_RISC_PAUSE)
			risc_paused = 1;
	} else if (IS_QLA23XX(ha)) {
		stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
		if (stat & HSR_RISC_PAUSED)
			risc_paused = 1;
	} else if (IS_FWI2_CAPABLE(ha)) {
		stat = RD_REG_DWORD(&reg24->host_status);
		if (stat & HSRX_RISC_PAUSED)
			risc_paused = 1;
	}
	spin_unlock_irqrestore(&ha->hardware_lock, flags);

	if (risc_paused) {
6602 6603
		ql_log(ql_log_info, base_vha, 0x9003,
		    "RISC paused -- mmio_enabled, Dumping firmware.\n");
6604
		ha->isp_ops->fw_dump(base_vha, 0);
6605 6606 6607 6608 6609 6610

		return PCI_ERS_RESULT_NEED_RESET;
	} else
		return PCI_ERS_RESULT_RECOVERED;
}

6611 6612
static uint32_t
qla82xx_error_recovery(scsi_qla_host_t *base_vha)
6613 6614 6615 6616 6617 6618 6619
{
	uint32_t rval = QLA_FUNCTION_FAILED;
	uint32_t drv_active = 0;
	struct qla_hw_data *ha = base_vha->hw;
	int fn;
	struct pci_dev *other_pdev = NULL;

6620 6621
	ql_dbg(ql_dbg_aer, base_vha, 0x9006,
	    "Entered %s.\n", __func__);
6622 6623 6624 6625 6626 6627 6628 6629 6630 6631 6632 6633 6634

	set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);

	if (base_vha->flags.online) {
		/* Abort all outstanding commands,
		 * so as to be requeued later */
		qla2x00_abort_isp_cleanup(base_vha);
	}


	fn = PCI_FUNC(ha->pdev->devfn);
	while (fn > 0) {
		fn--;
6635 6636
		ql_dbg(ql_dbg_aer, base_vha, 0x9007,
		    "Finding pci device at function = 0x%x.\n", fn);
6637 6638 6639 6640 6641 6642 6643 6644
		other_pdev =
		    pci_get_domain_bus_and_slot(pci_domain_nr(ha->pdev->bus),
		    ha->pdev->bus->number, PCI_DEVFN(PCI_SLOT(ha->pdev->devfn),
		    fn));

		if (!other_pdev)
			continue;
		if (atomic_read(&other_pdev->enable_cnt)) {
6645 6646 6647
			ql_dbg(ql_dbg_aer, base_vha, 0x9008,
			    "Found PCI func available and enable at 0x%x.\n",
			    fn);
6648 6649 6650 6651 6652 6653 6654 6655
			pci_dev_put(other_pdev);
			break;
		}
		pci_dev_put(other_pdev);
	}

	if (!fn) {
		/* Reset owner */
6656 6657 6658
		ql_dbg(ql_dbg_aer, base_vha, 0x9009,
		    "This devfn is reset owner = 0x%x.\n",
		    ha->pdev->devfn);
6659 6660 6661
		qla82xx_idc_lock(ha);

		qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
6662
		    QLA8XXX_DEV_INITIALIZING);
6663 6664 6665 6666 6667

		qla82xx_wr_32(ha, QLA82XX_CRB_DRV_IDC_VERSION,
		    QLA82XX_IDC_VERSION);

		drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
6668 6669
		ql_dbg(ql_dbg_aer, base_vha, 0x900a,
		    "drv_active = 0x%x.\n", drv_active);
6670 6671 6672 6673 6674 6675 6676 6677 6678 6679 6680 6681

		qla82xx_idc_unlock(ha);
		/* Reset if device is not already reset
		 * drv_active would be 0 if a reset has already been done
		 */
		if (drv_active)
			rval = qla82xx_start_firmware(base_vha);
		else
			rval = QLA_SUCCESS;
		qla82xx_idc_lock(ha);

		if (rval != QLA_SUCCESS) {
6682 6683
			ql_log(ql_log_info, base_vha, 0x900b,
			    "HW State: FAILED.\n");
6684 6685
			qla82xx_clear_drv_active(ha);
			qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
6686
			    QLA8XXX_DEV_FAILED);
6687
		} else {
6688 6689
			ql_log(ql_log_info, base_vha, 0x900c,
			    "HW State: READY.\n");
6690
			qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
6691
			    QLA8XXX_DEV_READY);
6692
			qla82xx_idc_unlock(ha);
6693
			ha->flags.isp82xx_fw_hung = 0;
6694 6695 6696 6697 6698 6699 6700 6701
			rval = qla82xx_restart_isp(base_vha);
			qla82xx_idc_lock(ha);
			/* Clear driver state register */
			qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, 0);
			qla82xx_set_drv_active(base_vha);
		}
		qla82xx_idc_unlock(ha);
	} else {
6702 6703 6704
		ql_dbg(ql_dbg_aer, base_vha, 0x900d,
		    "This devfn is not reset owner = 0x%x.\n",
		    ha->pdev->devfn);
6705
		if ((qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE) ==
6706
		    QLA8XXX_DEV_READY)) {
6707
			ha->flags.isp82xx_fw_hung = 0;
6708 6709 6710 6711 6712 6713 6714 6715 6716 6717 6718
			rval = qla82xx_restart_isp(base_vha);
			qla82xx_idc_lock(ha);
			qla82xx_set_drv_active(base_vha);
			qla82xx_idc_unlock(ha);
		}
	}
	clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);

	return rval;
}

6719 6720 6721 6722
static pci_ers_result_t
qla2xxx_pci_slot_reset(struct pci_dev *pdev)
{
	pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
6723 6724
	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
	struct qla_hw_data *ha = base_vha->hw;
6725 6726
	struct rsp_que *rsp;
	int rc, retries = 10;
6727

6728 6729
	ql_dbg(ql_dbg_aer, base_vha, 0x9004,
	    "Slot Reset.\n");
6730

6731 6732 6733 6734 6735 6736 6737 6738
	/* Workaround: qla2xxx driver which access hardware earlier
	 * needs error state to be pci_channel_io_online.
	 * Otherwise mailbox command timesout.
	 */
	pdev->error_state = pci_channel_io_normal;

	pci_restore_state(pdev);

6739 6740 6741 6742 6743
	/* pci_restore_state() clears the saved_state flag of the device
	 * save restored state which resets saved_state flag
	 */
	pci_save_state(pdev);

6744 6745 6746 6747
	if (ha->mem_only)
		rc = pci_enable_device_mem(pdev);
	else
		rc = pci_enable_device(pdev);
6748

6749
	if (rc) {
6750
		ql_log(ql_log_warn, base_vha, 0x9005,
6751
		    "Can't re-enable PCI device after reset.\n");
6752
		goto exit_slot_reset;
6753 6754
	}

6755 6756
	rsp = ha->rsp_q_map[0];
	if (qla2x00_request_irqs(ha, rsp))
6757
		goto exit_slot_reset;
6758

6759
	if (ha->isp_ops->pci_config(base_vha))
6760 6761 6762 6763 6764 6765 6766 6767 6768
		goto exit_slot_reset;

	if (IS_QLA82XX(ha)) {
		if (qla82xx_error_recovery(base_vha) == QLA_SUCCESS) {
			ret = PCI_ERS_RESULT_RECOVERED;
			goto exit_slot_reset;
		} else
			goto exit_slot_reset;
	}
6769

6770 6771
	while (ha->flags.mbox_busy && retries--)
		msleep(1000);
6772

6773
	set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
6774
	if (ha->isp_ops->abort_isp(base_vha) == QLA_SUCCESS)
6775
		ret =  PCI_ERS_RESULT_RECOVERED;
6776
	clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
6777

6778

6779
exit_slot_reset:
6780 6781
	ql_dbg(ql_dbg_aer, base_vha, 0x900e,
	    "slot_reset return %x.\n", ret);
6782

6783 6784 6785 6786 6787 6788
	return ret;
}

static void
qla2xxx_pci_resume(struct pci_dev *pdev)
{
6789 6790
	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
	struct qla_hw_data *ha = base_vha->hw;
6791 6792
	int ret;

6793 6794
	ql_dbg(ql_dbg_aer, base_vha, 0x900f,
	    "pci_resume.\n");
6795

6796
	ret = qla2x00_wait_for_hba_online(base_vha);
6797
	if (ret != QLA_SUCCESS) {
6798 6799
		ql_log(ql_log_fatal, base_vha, 0x9002,
		    "The device failed to resume I/O from slot/link_reset.\n");
6800
	}
6801

6802 6803
	pci_cleanup_aer_uncorrect_error_status(pdev);

6804
	ha->flags.eeh_busy = 0;
6805 6806
}

6807 6808
static int qla2xxx_map_queues(struct Scsi_Host *shost)
{
6809
	int rc;
6810 6811
	scsi_qla_host_t *vha = (scsi_qla_host_t *)shost->hostdata;

6812 6813 6814 6815 6816
	if (USER_CTRL_IRQ(vha->hw))
		rc = blk_mq_map_queues(&shost->tag_set);
	else
		rc = blk_mq_pci_map_queues(&shost->tag_set, vha->hw->pdev);
	return rc;
6817 6818
}

6819
static const struct pci_error_handlers qla2xxx_err_handler = {
6820 6821 6822 6823 6824 6825
	.error_detected = qla2xxx_pci_error_detected,
	.mmio_enabled = qla2xxx_pci_mmio_enabled,
	.slot_reset = qla2xxx_pci_slot_reset,
	.resume = qla2xxx_pci_resume,
};

6826
static struct pci_device_id qla2xxx_pci_tbl[] = {
6827 6828 6829 6830 6831 6832 6833 6834 6835
	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
6836
	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
6837 6838
	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
6839
	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
6840
	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2031) },
6841
	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) },
6842
	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8021) },
6843
	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8031) },
6844
	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISPF001) },
6845
	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8044) },
6846
	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2071) },
6847
	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2271) },
6848
	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2261) },
6849 6850 6851 6852
	{ 0 },
};
MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);

6853
static struct pci_driver qla2xxx_pci_driver = {
6854
	.name		= QLA2XXX_DRIVER_NAME,
6855 6856 6857
	.driver		= {
		.owner		= THIS_MODULE,
	},
6858
	.id_table	= qla2xxx_pci_tbl,
6859
	.probe		= qla2x00_probe_one,
A
Adrian Bunk 已提交
6860
	.remove		= qla2x00_remove_one,
6861
	.shutdown	= qla2x00_shutdown,
6862
	.err_handler	= &qla2xxx_err_handler,
6863 6864
};

6865
static const struct file_operations apidev_fops = {
6866
	.owner = THIS_MODULE,
6867
	.llseek = noop_llseek,
6868 6869
};

L
Linus Torvalds 已提交
6870 6871 6872 6873 6874 6875
/**
 * qla2x00_module_init - Module initialization.
 **/
static int __init
qla2x00_module_init(void)
{
6876 6877
	int ret = 0;

L
Linus Torvalds 已提交
6878
	/* Allocate cache for SRBs. */
6879
	srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
6880
	    SLAB_HWCACHE_ALIGN, NULL);
L
Linus Torvalds 已提交
6881
	if (srb_cachep == NULL) {
6882 6883
		ql_log(ql_log_fatal, NULL, 0x0001,
		    "Unable to allocate SRB cache...Failing load!.\n");
L
Linus Torvalds 已提交
6884 6885 6886
		return -ENOMEM;
	}

6887 6888 6889 6890 6891 6892 6893 6894 6895 6896 6897 6898 6899 6900 6901
	/* Initialize target kmem_cache and mem_pools */
	ret = qlt_init();
	if (ret < 0) {
		kmem_cache_destroy(srb_cachep);
		return ret;
	} else if (ret > 0) {
		/*
		 * If initiator mode is explictly disabled by qlt_init(),
		 * prevent scsi_transport_fc.c:fc_scsi_scan_rport() from
		 * performing scsi_scan_target() during LOOP UP event.
		 */
		qla2xxx_transport_functions.disable_target_scan = 1;
		qla2xxx_transport_vport_functions.disable_target_scan = 1;
	}

L
Linus Torvalds 已提交
6902 6903
	/* Derive version string. */
	strcpy(qla2x00_version_str, QLA2XXX_VERSION);
6904
	if (ql2xextended_error_logging)
6905
		strcat(qla2x00_version_str, "-debug");
6906 6907
	if (ql2xextended_error_logging == 1)
		ql2xextended_error_logging = QL_DBG_DEFAULT1_MASK;
6908

6909 6910
	qla2xxx_transport_template =
	    fc_attach_transport(&qla2xxx_transport_functions);
6911 6912
	if (!qla2xxx_transport_template) {
		kmem_cache_destroy(srb_cachep);
6913 6914
		ql_log(ql_log_fatal, NULL, 0x0002,
		    "fc_attach_transport failed...Failing load!.\n");
6915
		qlt_exit();
L
Linus Torvalds 已提交
6916
		return -ENODEV;
6917
	}
6918 6919 6920

	apidev_major = register_chrdev(0, QLA2XXX_APIDEV, &apidev_fops);
	if (apidev_major < 0) {
6921 6922
		ql_log(ql_log_fatal, NULL, 0x0003,
		    "Unable to register char device %s.\n", QLA2XXX_APIDEV);
6923 6924
	}

6925 6926 6927 6928
	qla2xxx_transport_vport_template =
	    fc_attach_transport(&qla2xxx_transport_vport_functions);
	if (!qla2xxx_transport_vport_template) {
		kmem_cache_destroy(srb_cachep);
6929
		qlt_exit();
6930
		fc_release_transport(qla2xxx_transport_template);
6931 6932
		ql_log(ql_log_fatal, NULL, 0x0004,
		    "fc_attach_transport vport failed...Failing load!.\n");
L
Linus Torvalds 已提交
6933
		return -ENODEV;
6934
	}
6935 6936
	ql_log(ql_log_info, NULL, 0x0005,
	    "QLogic Fibre Channel HBA Driver: %s.\n",
6937
	    qla2x00_version_str);
6938
	ret = pci_register_driver(&qla2xxx_pci_driver);
6939 6940
	if (ret) {
		kmem_cache_destroy(srb_cachep);
6941
		qlt_exit();
6942
		fc_release_transport(qla2xxx_transport_template);
6943
		fc_release_transport(qla2xxx_transport_vport_template);
6944 6945 6946
		ql_log(ql_log_fatal, NULL, 0x0006,
		    "pci_register_driver failed...ret=%d Failing load!.\n",
		    ret);
6947 6948
	}
	return ret;
L
Linus Torvalds 已提交
6949 6950 6951 6952 6953 6954 6955 6956
}

/**
 * qla2x00_module_exit - Module cleanup.
 **/
static void __exit
qla2x00_module_exit(void)
{
6957
	unregister_chrdev(apidev_major, QLA2XXX_APIDEV);
6958
	pci_unregister_driver(&qla2xxx_pci_driver);
6959
	qla2x00_release_firmware();
6960
	kmem_cache_destroy(srb_cachep);
6961
	qlt_exit();
6962 6963
	if (ctx_cachep)
		kmem_cache_destroy(ctx_cachep);
L
Linus Torvalds 已提交
6964
	fc_release_transport(qla2xxx_transport_template);
6965
	fc_release_transport(qla2xxx_transport_vport_template);
L
Linus Torvalds 已提交
6966 6967 6968 6969 6970 6971 6972 6973 6974
}

module_init(qla2x00_module_init);
module_exit(qla2x00_module_exit);

MODULE_AUTHOR("QLogic Corporation");
MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
MODULE_LICENSE("GPL");
MODULE_VERSION(QLA2XXX_VERSION);
6975 6976 6977 6978 6979
MODULE_FIRMWARE(FW_FILE_ISP21XX);
MODULE_FIRMWARE(FW_FILE_ISP22XX);
MODULE_FIRMWARE(FW_FILE_ISP2300);
MODULE_FIRMWARE(FW_FILE_ISP2322);
MODULE_FIRMWARE(FW_FILE_ISP24XX);
6980
MODULE_FIRMWARE(FW_FILE_ISP25XX);