qla_os.c 190.3 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);
	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 = kcalloc(ha->max_req_queues, sizeof(struct req_que *),
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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 = kcalloc(ha->max_rsp_queues, sizeof(struct rsp_que *),
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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);
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	return 0;
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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)
485
		kfree(req->outstanding_cmds);
486 487

	kfree(req);
488 489
}

490 491
static void qla2x00_free_rsp_que(struct qla_hw_data *ha, struct rsp_que *rsp)
{
492
	if (IS_QLAFX00(ha)) {
M
Meelis Roos 已提交
493
		if (rsp && rsp->ring_fx00)
494 495 496 497
			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
	kfree(rsp);
503 504
}

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
/* 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)
1032
			goto qc24_free_sp_fail_command;
1033 1034 1035 1036 1037 1038
		goto qc24_host_busy_free_sp;
	}

	return 0;

qc24_host_busy_free_sp:
1039
	sp->free(sp);
1040 1041 1042 1043 1044 1045 1046

qc24_host_busy:
	return SCSI_MLQUEUE_HOST_BUSY;

qc24_target_busy:
	return SCSI_MLQUEUE_TARGET_BUSY;

1047 1048 1049 1050 1051
qc24_free_sp_fail_command:
	sp->free(sp);
	CMD_SP(cmd) = NULL;
	qla2xxx_rel_qpair_sp(sp->qpair, sp);

1052 1053 1054 1055 1056 1057
qc24_fail_command:
	cmd->scsi_done(cmd);

	return 0;
}

L
Linus Torvalds 已提交
1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070
/*
 * 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
1071
qla2x00_eh_wait_on_command(struct scsi_cmnd *cmd)
L
Linus Torvalds 已提交
1072
{
1073
#define ABORT_POLLING_PERIOD	1000
1074
#define ABORT_WAIT_ITER		((2 * 1000) / (ABORT_POLLING_PERIOD))
已提交
1075
	unsigned long wait_iter = ABORT_WAIT_ITER;
1076 1077
	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
	struct qla_hw_data *ha = vha->hw;
已提交
1078
	int ret = QLA_SUCCESS;
L
Linus Torvalds 已提交
1079

1080
	if (unlikely(pci_channel_offline(ha->pdev)) || ha->flags.eeh_busy) {
1081 1082
		ql_dbg(ql_dbg_taskm, vha, 0x8005,
		    "Return:eh_wait.\n");
1083 1084 1085
		return ret;
	}

1086
	while (CMD_SP(cmd) && wait_iter--) {
1087
		msleep(ABORT_POLLING_PERIOD);
已提交
1088 1089 1090
	}
	if (CMD_SP(cmd))
		ret = QLA_FUNCTION_FAILED;
L
Linus Torvalds 已提交
1091

已提交
1092
	return ret;
L
Linus Torvalds 已提交
1093 1094 1095 1096
}

/*
 * qla2x00_wait_for_hba_online
A
Andrew Vasquez 已提交
1097
 *    Wait till the HBA is online after going through
L
Linus Torvalds 已提交
1098 1099 1100 1101 1102
 *    <= 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
1103 1104
 *
 * Note:
L
Linus Torvalds 已提交
1105 1106 1107 1108 1109 1110 1111
 *    Does context switching-Release SPIN_LOCK
 *    (if any) before calling this routine.
 *
 * Return:
 *    Success (Adapter is online) : 0
 *    Failed  (Adapter is offline/disabled) : 1
 */
1112
int
1113
qla2x00_wait_for_hba_online(scsi_qla_host_t *vha)
L
Linus Torvalds 已提交
1114
{
1115 1116
	int		return_status;
	unsigned long	wait_online;
1117 1118
	struct qla_hw_data *ha = vha->hw;
	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
L
Linus Torvalds 已提交
1119

A
Andrew Vasquez 已提交
1120
	wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
1121 1122 1123 1124
	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
1125 1126 1127

		msleep(1000);
	}
1128
	if (base_vha->flags.online)
A
Andrew Vasquez 已提交
1129
		return_status = QLA_SUCCESS;
L
Linus Torvalds 已提交
1130 1131 1132 1133 1134 1135
	else
		return_status = QLA_FUNCTION_FAILED;

	return (return_status);
}

1136 1137 1138 1139 1140 1141 1142
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);
1143 1144 1145
	ql_dbg(ql_dbg_init, vha, 0x00ec,
	    "tgt %p, fcport_count=%d\n",
	    vha, vha->fcport_count);
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
 */
1156
void
1157 1158 1159 1160
qla2x00_wait_for_sess_deletion(scsi_qla_host_t *vha)
{
	qla2x00_mark_all_devices_lost(vha, 0);

1161
	wait_event_timeout(vha->fcport_waitQ, test_fcport_count(vha), 10*HZ);
1162 1163
}

1164
/*
1165 1166
 * qla2x00_wait_for_hba_ready
 * Wait till the HBA is ready before doing driver unload
1167 1168 1169 1170 1171 1172 1173 1174 1175
 *
 * Input:
 *     ha - pointer to host adapter structure
 *
 * Note:
 *    Does context switching-Release SPIN_LOCK
 *    (if any) before calling this routine.
 *
 */
1176 1177
static void
qla2x00_wait_for_hba_ready(scsi_qla_host_t *vha)
1178 1179
{
	struct qla_hw_data *ha = vha->hw;
1180
	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1181

1182 1183 1184 1185 1186 1187
	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;
1188
		msleep(1000);
1189
	}
1190 1191
}

1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219
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;
}

1220 1221 1222 1223 1224 1225
static void
sp_get(struct srb *sp)
{
	atomic_inc(&sp->ref_count);
}

1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245
#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;
1246
	struct device_reg_82xx __iomem *reg82 = &ha->iobase->isp82;
1247

1248 1249 1250 1251 1252
	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);
1253 1254
}

L
Linus Torvalds 已提交
1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267
/**************************************************************************
* 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:
1268
*    Only return FAILED if command not returned by firmware.
L
Linus Torvalds 已提交
1269
**************************************************************************/
1270
static int
L
Linus Torvalds 已提交
1271 1272
qla2xxx_eh_abort(struct scsi_cmnd *cmd)
{
1273
	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
已提交
1274
	srb_t *sp;
1275
	int ret;
H
Hannes Reinecke 已提交
1276 1277
	unsigned int id;
	uint64_t lun;
1278
	unsigned long flags;
1279
	int rval, wait = 0;
1280
	struct qla_hw_data *ha = vha->hw;
L
Linus Torvalds 已提交
1281

1282 1283 1284 1285 1286
	if (qla2x00_isp_reg_stat(ha)) {
		ql_log(ql_log_info, vha, 0x8042,
		    "PCI/Register disconnect, exiting.\n");
		return FAILED;
	}
已提交
1287
	if (!CMD_SP(cmd))
1288
		return SUCCESS;
L
Linus Torvalds 已提交
1289

1290 1291 1292 1293 1294
	ret = fc_block_scsi_eh(cmd);
	if (ret != 0)
		return ret;
	ret = SUCCESS;

已提交
1295 1296
	id = cmd->device->id;
	lun = cmd->device->lun;
L
Linus Torvalds 已提交
1297

1298
	spin_lock_irqsave(&ha->hardware_lock, flags);
1299 1300 1301 1302 1303
	sp = (srb_t *) CMD_SP(cmd);
	if (!sp) {
		spin_unlock_irqrestore(&ha->hardware_lock, flags);
		return SUCCESS;
	}
L
Linus Torvalds 已提交
1304

1305
	ql_dbg(ql_dbg_taskm, vha, 0x8002,
1306 1307
	    "Aborting from RISC nexus=%ld:%d:%llu sp=%p cmd=%p handle=%x\n",
	    vha->host_no, id, lun, sp, cmd, sp->handle);
1308

1309 1310
	/* Get a reference to the sp and drop the lock.*/
	sp_get(sp);
1311

1312
	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1313 1314
	rval = ha->isp_ops->abort_command(sp);
	if (rval) {
1315
		if (rval == QLA_FUNCTION_PARAMETER_ERROR)
1316
			ret = SUCCESS;
1317
		else
1318 1319
			ret = FAILED;

1320
		ql_dbg(ql_dbg_taskm, vha, 0x8003,
1321
		    "Abort command mbx failed cmd=%p, rval=%x.\n", cmd, rval);
1322
	} else {
1323
		ql_dbg(ql_dbg_taskm, vha, 0x8004,
1324
		    "Abort command mbx success cmd=%p.\n", cmd);
1325 1326
		wait = 1;
	}
1327 1328

	spin_lock_irqsave(&ha->hardware_lock, flags);
1329
	sp->done(sp, 0);
1330
	spin_unlock_irqrestore(&ha->hardware_lock, flags);
L
Linus Torvalds 已提交
1331

1332 1333 1334 1335
	/* Did the command return during mailbox execution? */
	if (ret == FAILED && !CMD_SP(cmd))
		ret = SUCCESS;

已提交
1336
	/* Wait for the command to be returned. */
1337
	if (wait) {
1338
		if (qla2x00_eh_wait_on_command(cmd) != QLA_SUCCESS) {
1339
			ql_log(ql_log_warn, vha, 0x8006,
1340
			    "Abort handler timed out cmd=%p.\n", cmd);
1341
			ret = FAILED;
已提交
1342
		}
L
Linus Torvalds 已提交
1343 1344
	}

1345
	ql_log(ql_log_info, vha, 0x801c,
H
Hannes Reinecke 已提交
1346
	    "Abort command issued nexus=%ld:%d:%llu --  %d %x.\n",
1347
	    vha->host_no, id, lun, wait, ret);
L
Linus Torvalds 已提交
1348

已提交
1349 1350
	return ret;
}
L
Linus Torvalds 已提交
1351

1352
int
1353
qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t,
H
Hannes Reinecke 已提交
1354
	uint64_t l, enum nexus_wait_type type)
已提交
1355
{
1356
	int cnt, match, status;
1357
	unsigned long flags;
1358
	struct qla_hw_data *ha = vha->hw;
1359
	struct req_que *req;
1360
	srb_t *sp;
1361
	struct scsi_cmnd *cmd;
L
Linus Torvalds 已提交
1362

1363
	status = QLA_SUCCESS;
1364

1365
	spin_lock_irqsave(&ha->hardware_lock, flags);
1366
	req = vha->req;
1367
	for (cnt = 1; status == QLA_SUCCESS &&
1368
		cnt < req->num_outstanding_cmds; cnt++) {
1369 1370
		sp = req->outstanding_cmds[cnt];
		if (!sp)
1371
			continue;
1372
		if (sp->type != SRB_SCSI_CMD)
1373
			continue;
1374
		if (vha->vp_idx != sp->vha->vp_idx)
1375 1376
			continue;
		match = 0;
1377
		cmd = GET_CMD_SP(sp);
1378 1379 1380 1381 1382
		switch (type) {
		case WAIT_HOST:
			match = 1;
			break;
		case WAIT_TARGET:
1383
			match = cmd->device->id == t;
1384 1385
			break;
		case WAIT_LUN:
1386 1387
			match = (cmd->device->id == t &&
				cmd->device->lun == l);
1388
			break;
1389
		}
1390 1391 1392 1393
		if (!match)
			continue;

		spin_unlock_irqrestore(&ha->hardware_lock, flags);
1394
		status = qla2x00_eh_wait_on_command(cmd);
1395
		spin_lock_irqsave(&ha->hardware_lock, flags);
L
Linus Torvalds 已提交
1396
	}
1397
	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1398 1399

	return status;
L
Linus Torvalds 已提交
1400 1401
}

1402 1403 1404 1405 1406 1407
static char *reset_errors[] = {
	"HBA not online",
	"HBA not ready",
	"Task management failed",
	"Waiting for command completions",
};
L
Linus Torvalds 已提交
1408

1409
static int
1410
__qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
H
Hannes Reinecke 已提交
1411
    struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, uint64_t, int))
L
Linus Torvalds 已提交
1412
{
1413
	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1414
	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1415
	int err;
L
Linus Torvalds 已提交
1416

1417
	if (!fcport) {
1418
		return FAILED;
1419
	}
L
Linus Torvalds 已提交
1420

1421 1422 1423 1424
	err = fc_block_scsi_eh(cmd);
	if (err != 0)
		return err;

1425
	ql_log(ql_log_info, vha, 0x8009,
H
Hannes Reinecke 已提交
1426
	    "%s RESET ISSUED nexus=%ld:%d:%llu cmd=%p.\n", name, vha->host_no,
1427
	    cmd->device->id, cmd->device->lun, cmd);
L
Linus Torvalds 已提交
1428

1429
	err = 0;
1430 1431 1432
	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);
1433
		goto eh_reset_failed;
1434
	}
1435
	err = 2;
1436
	if (do_reset(fcport, cmd->device->lun, cmd->request->cpu + 1)
1437 1438 1439
		!= QLA_SUCCESS) {
		ql_log(ql_log_warn, vha, 0x800c,
		    "do_reset failed for cmd=%p.\n", cmd);
1440
		goto eh_reset_failed;
1441
	}
1442
	err = 3;
1443
	if (qla2x00_eh_wait_for_pending_commands(vha, cmd->device->id,
1444 1445
	    cmd->device->lun, type) != QLA_SUCCESS) {
		ql_log(ql_log_warn, vha, 0x800d,
1446
		    "wait for pending cmds failed for cmd=%p.\n", cmd);
1447
		goto eh_reset_failed;
1448
	}
1449

1450
	ql_log(ql_log_info, vha, 0x800e,
H
Hannes Reinecke 已提交
1451
	    "%s RESET SUCCEEDED nexus:%ld:%d:%llu cmd=%p.\n", name,
1452
	    vha->host_no, cmd->device->id, cmd->device->lun, cmd);
1453 1454 1455

	return SUCCESS;

1456
eh_reset_failed:
1457
	ql_log(ql_log_info, vha, 0x800f,
H
Hannes Reinecke 已提交
1458
	    "%s RESET FAILED: %s nexus=%ld:%d:%llu cmd=%p.\n", name,
1459 1460
	    reset_errors[err], vha->host_no, cmd->device->id, cmd->device->lun,
	    cmd);
1461 1462
	return FAILED;
}
L
Linus Torvalds 已提交
1463

1464 1465 1466
static int
qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
{
1467 1468
	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
	struct qla_hw_data *ha = vha->hw;
L
Linus Torvalds 已提交
1469

1470 1471 1472 1473 1474 1475
	if (qla2x00_isp_reg_stat(ha)) {
		ql_log(ql_log_info, vha, 0x803e,
		    "PCI/Register disconnect, exiting.\n");
		return FAILED;
	}

1476 1477
	return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd,
	    ha->isp_ops->lun_reset);
L
Linus Torvalds 已提交
1478 1479 1480
}

static int
1481
qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
L
Linus Torvalds 已提交
1482
{
1483 1484
	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
	struct qla_hw_data *ha = vha->hw;
L
Linus Torvalds 已提交
1485

1486 1487 1488 1489 1490 1491
	if (qla2x00_isp_reg_stat(ha)) {
		ql_log(ql_log_info, vha, 0x803f,
		    "PCI/Register disconnect, exiting.\n");
		return FAILED;
	}

1492 1493
	return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd,
	    ha->isp_ops->target_reset);
L
Linus Torvalds 已提交
1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 1505 1506 1507 1508 1509 1510
}

/**************************************************************************
* 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).
*
**************************************************************************/
1511
static int
L
Linus Torvalds 已提交
1512 1513
qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
{
1514
	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1515
	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1516
	int ret = FAILED;
H
Hannes Reinecke 已提交
1517 1518
	unsigned int id;
	uint64_t lun;
1519 1520 1521 1522 1523 1524 1525
	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
1526 1527 1528

	id = cmd->device->id;
	lun = cmd->device->lun;
L
Linus Torvalds 已提交
1529

1530
	if (!fcport) {
已提交
1531
		return ret;
1532
	}
L
Linus Torvalds 已提交
1533

1534 1535 1536 1537 1538
	ret = fc_block_scsi_eh(cmd);
	if (ret != 0)
		return ret;
	ret = FAILED;

1539
	ql_log(ql_log_info, vha, 0x8012,
H
Hannes Reinecke 已提交
1540
	    "BUS RESET ISSUED nexus=%ld:%d:%llu.\n", vha->host_no, id, lun);
L
Linus Torvalds 已提交
1541

1542
	if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1543 1544
		ql_log(ql_log_fatal, vha, 0x8013,
		    "Wait for hba online failed board disabled.\n");
已提交
1545
		goto eh_bus_reset_done;
L
Linus Torvalds 已提交
1546 1547
	}

1548 1549 1550
	if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
		ret = SUCCESS;

已提交
1551 1552
	if (ret == FAILED)
		goto eh_bus_reset_done;
L
Linus Torvalds 已提交
1553

1554
	/* Flush outstanding commands. */
1555
	if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) !=
1556 1557 1558
	    QLA_SUCCESS) {
		ql_log(ql_log_warn, vha, 0x8014,
		    "Wait for pending commands failed.\n");
1559
		ret = FAILED;
1560
	}
L
Linus Torvalds 已提交
1561

已提交
1562
eh_bus_reset_done:
1563
	ql_log(ql_log_warn, vha, 0x802b,
H
Hannes Reinecke 已提交
1564
	    "BUS RESET %s nexus=%ld:%d:%llu.\n",
1565
	    (ret == FAILED) ? "FAILED" : "SUCCEEDED", vha->host_no, id, lun);
L
Linus Torvalds 已提交
1566

已提交
1567
	return ret;
L
Linus Torvalds 已提交
1568 1569 1570 1571 1572 1573 1574 1575 1576 1577 1578 1579 1580 1581 1582 1583 1584
}

/**************************************************************************
* 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:
**************************************************************************/
1585
static int
L
Linus Torvalds 已提交
1586 1587
qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
{
1588 1589
	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
	struct qla_hw_data *ha = vha->hw;
1590
	int ret = FAILED;
H
Hannes Reinecke 已提交
1591 1592
	unsigned int id;
	uint64_t lun;
1593
	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
L
Linus Torvalds 已提交
1594

1595 1596 1597 1598 1599 1600 1601
	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
1602 1603 1604
	id = cmd->device->id;
	lun = cmd->device->lun;

1605
	ql_log(ql_log_info, vha, 0x8018,
H
Hannes Reinecke 已提交
1606
	    "ADAPTER RESET ISSUED nexus=%ld:%d:%llu.\n", vha->host_no, id, lun);
L
Linus Torvalds 已提交
1607

1608 1609 1610 1611 1612
	/*
	 * 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
1613
		goto eh_host_reset_lock;
L
Linus Torvalds 已提交
1614

1615 1616
	if (vha != base_vha) {
		if (qla2x00_vp_abort_isp(vha))
已提交
1617
			goto eh_host_reset_lock;
1618
	} else {
1619
		if (IS_P3P_TYPE(vha->hw)) {
1620 1621 1622 1623 1624 1625 1626
			if (!qla82xx_fcoe_ctx_reset(vha)) {
				/* Ctx reset success */
				ret = SUCCESS;
				goto eh_host_reset_lock;
			}
			/* fall thru if ctx reset failed */
		}
1627 1628 1629
		if (ha->wq)
			flush_workqueue(ha->wq);

1630
		set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1631
		if (ha->isp_ops->abort_isp(base_vha)) {
1632 1633 1634 1635
			clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
			/* failed. schedule dpc to try */
			set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);

1636 1637 1638
			if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
				ql_log(ql_log_warn, vha, 0x802a,
				    "wait for hba online failed.\n");
1639
				goto eh_host_reset_lock;
1640
			}
1641 1642
		}
		clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
A
Andrew Vasquez 已提交
1643
	}
L
Linus Torvalds 已提交
1644

1645
	/* Waiting for command to be returned to OS.*/
1646
	if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) ==
1647
		QLA_SUCCESS)
已提交
1648
		ret = SUCCESS;
L
Linus Torvalds 已提交
1649

已提交
1650
eh_host_reset_lock:
1651
	ql_log(ql_log_info, vha, 0x8017,
H
Hannes Reinecke 已提交
1652
	    "ADAPTER RESET %s nexus=%ld:%d:%llu.\n",
1653
	    (ret == FAILED) ? "FAILED" : "SUCCEEDED", vha->host_no, id, lun);
L
Linus Torvalds 已提交
1654

已提交
1655 1656
	return ret;
}
L
Linus Torvalds 已提交
1657 1658 1659 1660 1661 1662 1663 1664 1665 1666 1667

/*
* qla2x00_loop_reset
*      Issue loop reset.
*
* Input:
*      ha = adapter block pointer.
*
* Returns:
*      0 = success
*/
1668
int
1669
qla2x00_loop_reset(scsi_qla_host_t *vha)
L
Linus Torvalds 已提交
1670
{
1671
	int ret;
1672
	struct fc_port *fcport;
1673
	struct qla_hw_data *ha = vha->hw;
L
Linus Torvalds 已提交
1674

1675 1676 1677 1678
	if (IS_QLAFX00(ha)) {
		return qlafx00_loop_reset(vha);
	}

1679
	if (ql2xtargetreset == 1 && ha->flags.enable_target_reset) {
1680 1681 1682 1683 1684 1685
		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) {
1686
				ql_dbg(ql_dbg_taskm, vha, 0x802c,
1687
				    "Bus Reset failed: Reset=%d "
1688
				    "d_id=%x.\n", ret, fcport->d_id.b24);
1689 1690 1691 1692
			}
		}
	}

1693

1694
	if (ha->flags.enable_lip_full_login && !IS_CNA_CAPABLE(ha)) {
1695 1696 1697
		atomic_set(&vha->loop_state, LOOP_DOWN);
		atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
		qla2x00_mark_all_devices_lost(vha, 0);
1698
		ret = qla2x00_full_login_lip(vha);
1699
		if (ret != QLA_SUCCESS) {
1700 1701
			ql_dbg(ql_dbg_taskm, vha, 0x802d,
			    "full_login_lip=%d.\n", ret);
1702
		}
1703 1704
	}

1705
	if (ha->flags.enable_lip_reset) {
1706
		ret = qla2x00_lip_reset(vha);
1707
		if (ret != QLA_SUCCESS)
1708 1709
			ql_dbg(ql_dbg_taskm, vha, 0x802e,
			    "lip_reset failed (%d).\n", ret);
L
Linus Torvalds 已提交
1710 1711 1712
	}

	/* Issue marker command only when we are going to start the I/O */
1713
	vha->marker_needed = 1;
L
Linus Torvalds 已提交
1714

1715
	return QLA_SUCCESS;
L
Linus Torvalds 已提交
1716 1717
}

1718 1719
static void
__qla2x00_abort_all_cmds(struct qla_qpair *qp, int res)
1720
{
1721
	int cnt, status;
1722 1723
	unsigned long flags;
	srb_t *sp;
1724
	scsi_qla_host_t *vha = qp->vha;
1725
	struct qla_hw_data *ha = vha->hw;
1726
	struct req_que *req;
1727 1728 1729
	struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
	struct qla_tgt_cmd *cmd;
	uint8_t trace = 0;
1730

1731 1732
	if (!ha->req_q_map)
		return;
1733 1734 1735 1736 1737 1738 1739 1740 1741 1742 1743 1744
	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);
1745
					qla_nvme_abort(ha, sp, res);
1746 1747 1748 1749 1750 1751
					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)) &&
1752
				    !qla2x00_isp_reg_stat(ha) &&
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 1787 1788 1789 1790 1791 1792 1793 1794
				    (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;
1795
				}
1796 1797
				cmd = (struct qla_tgt_cmd *)sp;
				qlt_abort_cmd_on_host_reset(cmd->vha, cmd);
1798
			}
1799 1800
		}
	}
1801 1802 1803 1804 1805 1806 1807 1808 1809 1810 1811 1812 1813 1814 1815 1816 1817
	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);
	}
1818 1819
}

已提交
1820 1821
static int
qla2xxx_slave_alloc(struct scsi_device *sdev)
L
Linus Torvalds 已提交
1822
{
1823
	struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
L
Linus Torvalds 已提交
1824

1825
	if (!rport || fc_remote_port_chkready(rport))
已提交
1826
		return -ENXIO;
1827

1828
	sdev->hostdata = *(fc_port_t **)rport->dd_data;
L
Linus Torvalds 已提交
1829

已提交
1830 1831
	return 0;
}
L
Linus Torvalds 已提交
1832

已提交
1833 1834 1835
static int
qla2xxx_slave_configure(struct scsi_device *sdev)
{
1836
	scsi_qla_host_t *vha = shost_priv(sdev->host);
1837
	struct req_que *req = vha->req;
已提交
1838

1839 1840 1841
	if (IS_T10_PI_CAPABLE(vha->hw))
		blk_queue_update_dma_alignment(sdev->request_queue, 0x7);

1842
	scsi_change_queue_depth(sdev, req->max_q_depth);
已提交
1843 1844
	return 0;
}
L
Linus Torvalds 已提交
1845

已提交
1846 1847 1848 1849
static void
qla2xxx_slave_destroy(struct scsi_device *sdev)
{
	sdev->hostdata = NULL;
L
Linus Torvalds 已提交
1850 1851 1852 1853 1854 1855 1856 1857 1858 1859
}

/**
 * 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
1860
qla2x00_config_dma_addressing(struct qla_hw_data *ha)
L
Linus Torvalds 已提交
1861
{
1862
	/* Assume a 32bit DMA mask. */
L
Linus Torvalds 已提交
1863 1864
	ha->flags.enable_64bit_addressing = 0;

1865
	if (!dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
1866 1867
		/* Any upper-dword bits set? */
		if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1868
		    !pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) {
1869
			/* Ok, a 64bit DMA mask is applicable. */
L
Linus Torvalds 已提交
1870
			ha->flags.enable_64bit_addressing = 1;
1871 1872
			ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
			ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
1873
			return;
L
Linus Torvalds 已提交
1874 1875
		}
	}
1876

1877 1878
	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
1879 1880
}

1881
static void
1882
qla2x00_enable_intrs(struct qla_hw_data *ha)
1883 1884 1885 1886 1887 1888 1889 1890 1891 1892 1893 1894 1895 1896
{
	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
1897
qla2x00_disable_intrs(struct qla_hw_data *ha)
1898 1899 1900 1901 1902 1903 1904 1905 1906 1907 1908 1909 1910
{
	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
1911
qla24xx_enable_intrs(struct qla_hw_data *ha)
1912 1913 1914 1915 1916 1917 1918 1919 1920 1921 1922 1923
{
	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
1924
qla24xx_disable_intrs(struct qla_hw_data *ha)
1925 1926 1927 1928
{
	unsigned long flags = 0;
	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;

1929 1930
	if (IS_NOPOLLING_TYPE(ha))
		return;
1931 1932 1933 1934 1935 1936 1937
	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);
}

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 1991 1992 1993 1994 1995 1996 1997 1998
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;
1999
	ha->msix_count = QLA_BASE_VECTORS;
2000 2001
	if (!ql2xmqsupport || !ql2xnvmeenable ||
	    (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)))
2002 2003 2004 2005 2006 2007 2008 2009 2010
		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);
2011
		ha->msix_count = msix + 1;
2012
		/* Max queues are bounded by available msix vectors */
2013 2014 2015 2016 2017 2018 2019 2020
		/* 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);

2021
		ql_log_pci(ql_log_info, ha->pdev, 0x001a,
2022
		    "MSI-X vector count: %d.\n", ha->msix_count);
2023 2024 2025 2026 2027 2028
	} 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,
2029
	    "MSIX Count: %d.\n", ha->msix_count);
2030 2031 2032 2033 2034 2035 2036
	return (0);

iospace_error_exit:
	return (-ENOMEM);
}


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 2069 2070 2071 2072 2073 2074 2075 2076
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;
2077
	ha->msix_count = QLA_BASE_VECTORS;
2078 2079 2080 2081 2082 2083 2084 2085 2086 2087 2088 2089 2090 2091 2092
	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);
2093
		ha->msix_count = (msix & PCI_MSIX_FLAGS_QSIZE)  + 1;
2094 2095 2096 2097
		/*
		 * By default, driver uses at least two msix vectors
		 * (default & rspq)
		 */
2098
		if (ql2xmqsupport || ql2xnvmeenable) {
2099 2100
			/* MB interrupt uses 1 vector */
			ha->max_req_queues = ha->msix_count - 1;
2101 2102 2103 2104 2105

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

2106 2107
			ha->max_rsp_queues = ha->max_req_queues;

2108 2109 2110
			/* Queue pairs is the max value minus
			 * the base queue pair */
			ha->max_qpairs = ha->max_req_queues - 1;
2111
			ql_dbg_pci(ql_dbg_init, ha->pdev, 0x00e3,
2112
			    "Max no of queues pairs: %d.\n", ha->max_qpairs);
2113 2114
		}
		ql_log_pci(ql_log_info, ha->pdev, 0x011c,
2115
		    "MSI-X vector count: %d.\n", ha->msix_count);
2116 2117 2118 2119 2120 2121
	} 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,
2122
	    "MSIX Count: %d.\n", ha->msix_count);
2123 2124 2125 2126 2127 2128
	return 0;

iospace_error_exit:
	return -ENOMEM;
}

2129 2130 2131 2132 2133 2134 2135 2136 2137 2138 2139 2140 2141 2142 2143
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,
2144 2145
	.target_reset		= qla2x00_abort_target,
	.lun_reset		= qla2x00_lun_reset,
2146 2147 2148 2149 2150 2151 2152 2153 2154 2155 2156 2157 2158 2159 2160
	.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,
2161
	.start_scsi		= qla2x00_start_scsi,
2162
	.start_scsi_mq          = NULL,
2163
	.abort_isp		= qla2x00_abort_isp,
2164
	.iospace_config     	= qla2x00_iospace_config,
2165
	.initialize_adapter	= qla2x00_initialize_adapter,
2166 2167 2168 2169 2170 2171 2172 2173 2174 2175 2176 2177 2178 2179 2180 2181 2182
};

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,
2183 2184
	.target_reset		= qla2x00_abort_target,
	.lun_reset		= qla2x00_lun_reset,
2185 2186 2187 2188 2189 2190 2191 2192 2193 2194 2195 2196 2197 2198 2199
	.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,
2200
	.start_scsi		= qla2x00_start_scsi,
2201
	.start_scsi_mq          = NULL,
2202
	.abort_isp		= qla2x00_abort_isp,
2203
	.iospace_config		= qla2x00_iospace_config,
2204
	.initialize_adapter	= qla2x00_initialize_adapter,
2205 2206 2207 2208 2209 2210 2211 2212 2213 2214 2215 2216 2217 2218 2219 2220 2221
};

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,
2222 2223
	.target_reset		= qla24xx_abort_target,
	.lun_reset		= qla24xx_lun_reset,
2224 2225 2226 2227 2228 2229 2230 2231 2232 2233 2234 2235 2236 2237 2238
	.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,
2239
	.start_scsi		= qla24xx_start_scsi,
2240
	.start_scsi_mq          = NULL,
2241
	.abort_isp		= qla2x00_abort_isp,
2242
	.iospace_config		= qla2x00_iospace_config,
2243
	.initialize_adapter	= qla2x00_initialize_adapter,
2244 2245
};

2246 2247 2248 2249 2250 2251 2252 2253 2254 2255 2256 2257 2258 2259 2260
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,
2261 2262
	.target_reset		= qla24xx_abort_target,
	.lun_reset		= qla24xx_lun_reset,
2263 2264 2265 2266 2267 2268 2269 2270 2271 2272 2273 2274
	.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,
2275
	.read_optrom		= qla25xx_read_optrom_data,
2276 2277
	.write_optrom		= qla24xx_write_optrom_data,
	.get_flash_version	= qla24xx_get_flash_version,
2278
	.start_scsi		= qla24xx_dif_start_scsi,
2279
	.start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2280
	.abort_isp		= qla2x00_abort_isp,
2281
	.iospace_config		= qla2x00_iospace_config,
2282
	.initialize_adapter	= qla2x00_initialize_adapter,
2283 2284
};

2285 2286 2287 2288 2289 2290 2291 2292
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,
2293
	.load_risc		= qla81xx_load_risc,
2294 2295 2296 2297 2298 2299 2300 2301 2302 2303 2304 2305 2306 2307
	.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,
2308 2309
	.read_nvram		= NULL,
	.write_nvram		= NULL,
2310 2311 2312
	.fw_dump		= qla81xx_fw_dump,
	.beacon_on		= qla24xx_beacon_on,
	.beacon_off		= qla24xx_beacon_off,
2313
	.beacon_blink		= qla83xx_beacon_blink,
2314 2315 2316
	.read_optrom		= qla25xx_read_optrom_data,
	.write_optrom		= qla24xx_write_optrom_data,
	.get_flash_version	= qla24xx_get_flash_version,
2317
	.start_scsi		= qla24xx_dif_start_scsi,
2318
	.start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2319
	.abort_isp		= qla2x00_abort_isp,
2320
	.iospace_config		= qla2x00_iospace_config,
2321
	.initialize_adapter	= qla2x00_initialize_adapter,
2322 2323 2324 2325 2326 2327 2328 2329 2330 2331 2332
};

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,
2333
	.pci_info_str		= qla24xx_pci_info_str,
2334 2335 2336 2337 2338 2339 2340 2341 2342 2343 2344 2345 2346 2347 2348
	.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,
2349
	.fw_dump		= qla82xx_fw_dump,
2350 2351 2352
	.beacon_on		= qla82xx_beacon_on,
	.beacon_off		= qla82xx_beacon_off,
	.beacon_blink		= NULL,
2353 2354
	.read_optrom		= qla82xx_read_optrom_data,
	.write_optrom		= qla82xx_write_optrom_data,
2355
	.get_flash_version	= qla82xx_get_flash_version,
2356
	.start_scsi             = qla82xx_start_scsi,
2357
	.start_scsi_mq          = NULL,
2358
	.abort_isp		= qla82xx_abort_isp,
2359
	.iospace_config     	= qla82xx_iospace_config,
2360
	.initialize_adapter	= qla2x00_initialize_adapter,
2361 2362
};

2363 2364 2365 2366 2367 2368 2369 2370 2371 2372 2373 2374 2375 2376 2377 2378 2379 2380 2381 2382 2383 2384 2385 2386 2387
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,
2388
	.fw_dump		= qla8044_fw_dump,
2389 2390 2391
	.beacon_on		= qla82xx_beacon_on,
	.beacon_off		= qla82xx_beacon_off,
	.beacon_blink		= NULL,
2392
	.read_optrom		= qla8044_read_optrom_data,
2393 2394 2395
	.write_optrom		= qla8044_write_optrom_data,
	.get_flash_version	= qla82xx_get_flash_version,
	.start_scsi             = qla82xx_start_scsi,
2396
	.start_scsi_mq          = NULL,
2397 2398 2399 2400 2401
	.abort_isp		= qla8044_abort_isp,
	.iospace_config		= qla82xx_iospace_config,
	.initialize_adapter	= qla2x00_initialize_adapter,
};

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 2427 2428 2429 2430 2431 2432 2433 2434
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,
2435
	.start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2436 2437
	.abort_isp		= qla2x00_abort_isp,
	.iospace_config		= qla83xx_iospace_config,
2438 2439 2440 2441 2442 2443 2444 2445 2446 2447 2448 2449 2450 2451 2452 2453 2454
	.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,
2455
	.abort_command		= qla24xx_async_abort_command,
2456 2457 2458 2459 2460 2461 2462 2463 2464 2465 2466 2467 2468 2469 2470 2471 2472 2473
	.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,
2474
	.start_scsi_mq          = NULL,
2475 2476 2477
	.abort_isp		= qlafx00_abort_isp,
	.iospace_config		= qlafx00_iospace_config,
	.initialize_adapter	= qlafx00_initialize_adapter,
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 2505 2506 2507 2508 2509 2510 2511 2512
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,
2513
	.start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2514 2515 2516 2517 2518
	.abort_isp		= qla2x00_abort_isp,
	.iospace_config		= qla83xx_iospace_config,
	.initialize_adapter	= qla2x00_initialize_adapter,
};

2519
static inline void
2520
qla2x00_set_isp_flags(struct qla_hw_data *ha)
2521 2522 2523 2524
{
	ha->device_type = DT_EXTENDED_IDS;
	switch (ha->pdev->device) {
	case PCI_DEVICE_ID_QLOGIC_ISP2100:
2525
		ha->isp_type |= DT_ISP2100;
2526
		ha->device_type &= ~DT_EXTENDED_IDS;
2527
		ha->fw_srisc_address = RISC_START_ADDRESS_2100;
2528 2529
		break;
	case PCI_DEVICE_ID_QLOGIC_ISP2200:
2530
		ha->isp_type |= DT_ISP2200;
2531
		ha->device_type &= ~DT_EXTENDED_IDS;
2532
		ha->fw_srisc_address = RISC_START_ADDRESS_2100;
2533 2534
		break;
	case PCI_DEVICE_ID_QLOGIC_ISP2300:
2535
		ha->isp_type |= DT_ISP2300;
2536
		ha->device_type |= DT_ZIO_SUPPORTED;
2537
		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2538 2539
		break;
	case PCI_DEVICE_ID_QLOGIC_ISP2312:
2540
		ha->isp_type |= DT_ISP2312;
2541
		ha->device_type |= DT_ZIO_SUPPORTED;
2542
		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2543 2544
		break;
	case PCI_DEVICE_ID_QLOGIC_ISP2322:
2545
		ha->isp_type |= DT_ISP2322;
2546
		ha->device_type |= DT_ZIO_SUPPORTED;
2547 2548 2549
		if (ha->pdev->subsystem_vendor == 0x1028 &&
		    ha->pdev->subsystem_device == 0x0170)
			ha->device_type |= DT_OEM_001;
2550
		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2551 2552
		break;
	case PCI_DEVICE_ID_QLOGIC_ISP6312:
2553
		ha->isp_type |= DT_ISP6312;
2554
		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2555 2556
		break;
	case PCI_DEVICE_ID_QLOGIC_ISP6322:
2557
		ha->isp_type |= DT_ISP6322;
2558
		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2559 2560
		break;
	case PCI_DEVICE_ID_QLOGIC_ISP2422:
2561
		ha->isp_type |= DT_ISP2422;
2562
		ha->device_type |= DT_ZIO_SUPPORTED;
2563
		ha->device_type |= DT_FWI2;
2564
		ha->device_type |= DT_IIDMA;
2565
		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2566 2567
		break;
	case PCI_DEVICE_ID_QLOGIC_ISP2432:
2568
		ha->isp_type |= DT_ISP2432;
2569
		ha->device_type |= DT_ZIO_SUPPORTED;
2570
		ha->device_type |= DT_FWI2;
2571
		ha->device_type |= DT_IIDMA;
2572
		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2573
		break;
2574
	case PCI_DEVICE_ID_QLOGIC_ISP8432:
2575
		ha->isp_type |= DT_ISP8432;
2576 2577 2578 2579 2580
		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;
2581
	case PCI_DEVICE_ID_QLOGIC_ISP5422:
2582
		ha->isp_type |= DT_ISP5422;
2583
		ha->device_type |= DT_FWI2;
2584
		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2585
		break;
2586
	case PCI_DEVICE_ID_QLOGIC_ISP5432:
2587
		ha->isp_type |= DT_ISP5432;
2588
		ha->device_type |= DT_FWI2;
2589
		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2590
		break;
2591
	case PCI_DEVICE_ID_QLOGIC_ISP2532:
2592
		ha->isp_type |= DT_ISP2532;
2593 2594 2595
		ha->device_type |= DT_ZIO_SUPPORTED;
		ha->device_type |= DT_FWI2;
		ha->device_type |= DT_IIDMA;
2596
		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2597
		break;
2598
	case PCI_DEVICE_ID_QLOGIC_ISP8001:
2599
		ha->isp_type |= DT_ISP8001;
2600 2601 2602 2603 2604
		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;
2605
	case PCI_DEVICE_ID_QLOGIC_ISP8021:
2606
		ha->isp_type |= DT_ISP8021;
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_ISP8044:
2614
		ha->isp_type |= DT_ISP8044;
2615 2616 2617 2618 2619 2620
		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;
2621
	case PCI_DEVICE_ID_QLOGIC_ISP2031:
2622
		ha->isp_type |= DT_ISP2031;
2623 2624 2625 2626 2627 2628 2629
		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:
2630
		ha->isp_type |= DT_ISP8031;
2631 2632 2633 2634 2635 2636
		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;
2637
	case PCI_DEVICE_ID_QLOGIC_ISPF001:
2638
		ha->isp_type |= DT_ISPFX00;
2639
		break;
2640
	case PCI_DEVICE_ID_QLOGIC_ISP2071:
2641
		ha->isp_type |= DT_ISP2071;
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_ISP2271:
2649
		ha->isp_type |= DT_ISP2271;
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
	case PCI_DEVICE_ID_QLOGIC_ISP2261:
2657
		ha->isp_type |= DT_ISP2261;
2658 2659 2660
		ha->device_type |= DT_ZIO_SUPPORTED;
		ha->device_type |= DT_FWI2;
		ha->device_type |= DT_IIDMA;
2661
		ha->device_type |= DT_T10_PI;
2662 2663
		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
		break;
2664
	}
2665

2666
	if (IS_QLA82XX(ha))
2667
		ha->port_no = ha->portnum & 1;
2668
	else {
2669 2670
		/* Get adapter physical port no from interrupt pin register. */
		pci_read_config_byte(ha->pdev, PCI_INTERRUPT_PIN, &ha->port_no);
2671 2672 2673 2674 2675
		if (IS_QLA27XX(ha))
			ha->port_no--;
		else
			ha->port_no = !(ha->port_no & 1);
	}
2676

2677
	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x000b,
2678
	    "device_type=0x%x port=%d fw_srisc_address=0x%x.\n",
2679
	    ha->device_type, ha->port_no, ha->fw_srisc_address);
2680 2681
}

2682 2683 2684
static void
qla2xxx_scan_start(struct Scsi_Host *shost)
{
2685
	scsi_qla_host_t *vha = shost_priv(shost);
2686

2687 2688 2689
	if (vha->hw->flags.running_gold_fw)
		return;

2690 2691 2692 2693
	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);
2694 2695 2696 2697 2698
}

static int
qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
{
2699
	scsi_qla_host_t *vha = shost_priv(shost);
2700

2701 2702
	if (test_bit(UNLOADING, &vha->dpc_flags))
		return 1;
2703
	if (!vha->host)
2704
		return 1;
2705
	if (time > vha->hw->loop_reset_delay * HZ)
2706 2707
		return 1;

2708
	return atomic_read(&vha->loop_state) == LOOP_READY;
2709 2710
}

2711 2712 2713 2714
static void qla2x00_iocb_work_fn(struct work_struct *work)
{
	struct scsi_qla_host *vha = container_of(work,
		struct scsi_qla_host, iocb_work);
2715 2716 2717 2718 2719 2720 2721
	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;
2722

2723
	while (!list_empty(&vha->work_list) && i > 0) {
2724
		qla2x00_do_work(vha);
2725
		i--;
2726
	}
2727 2728 2729 2730

	spin_lock_irqsave(&vha->work_lock, flags);
	clear_bit(IOCB_WORK_ACTIVE, &vha->dpc_flags);
	spin_unlock_irqrestore(&vha->work_lock, flags);
2731 2732
}

L
Linus Torvalds 已提交
2733 2734 2735
/*
 * PCI driver interface
 */
2736
static int
2737
qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
L
Linus Torvalds 已提交
2738
{
2739
	int	ret = -ENODEV;
L
Linus Torvalds 已提交
2740
	struct Scsi_Host *host;
2741 2742
	scsi_qla_host_t *base_vha = NULL;
	struct qla_hw_data *ha;
2743
	char pci_info[30];
2744
	char fw_str[30], wq_name[30];
2745
	struct scsi_host_template *sht;
2746
	int bars, mem_only = 0;
2747
	uint16_t req_length = 0, rsp_length = 0;
2748 2749
	struct req_que *req = NULL;
	struct rsp_que *rsp = NULL;
2750
	int i;
2751

2752
	bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
2753
	sht = &qla2xxx_driver_template;
2754
	if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
2755
	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
2756
	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
2757
	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
2758
	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
2759
	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532 ||
2760
	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001 ||
2761 2762
	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8021 ||
	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2031 ||
2763
	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8031 ||
2764
	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISPF001 ||
2765
	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8044 ||
2766
	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2071 ||
2767 2768
	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2271 ||
	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2261) {
2769
		bars = pci_select_bars(pdev, IORESOURCE_MEM);
2770
		mem_only = 1;
2771 2772
		ql_dbg_pci(ql_dbg_init, pdev, 0x0007,
		    "Mem only adapter.\n");
2773
	}
2774 2775
	ql_dbg_pci(ql_dbg_init, pdev, 0x0008,
	    "Bars=%d.\n", bars);
2776

2777 2778
	if (mem_only) {
		if (pci_enable_device_mem(pdev))
2779
			return ret;
2780 2781
	} else {
		if (pci_enable_device(pdev))
2782
			return ret;
2783
	}
2784

2785 2786
	/* This may fail but that's ok */
	pci_enable_pcie_error_reporting(pdev);
2787

2788 2789
	ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL);
	if (!ha) {
2790 2791
		ql_log_pci(ql_log_fatal, pdev, 0x0009,
		    "Unable to allocate memory for ha.\n");
2792
		goto disable_device;
L
Linus Torvalds 已提交
2793
	}
2794 2795
	ql_dbg_pci(ql_dbg_init, pdev, 0x000a,
	    "Memory allocated for ha=%p.\n", ha);
2796
	ha->pdev = pdev;
2797 2798
	INIT_LIST_HEAD(&ha->tgt.q_full_list);
	spin_lock_init(&ha->tgt.q_full_lock);
2799
	spin_lock_init(&ha->tgt.sess_lock);
2800 2801
	spin_lock_init(&ha->tgt.atio_lock);

2802
	atomic_set(&ha->nvme_active_aen_cnt, 0);
L
Linus Torvalds 已提交
2803 2804

	/* Clear our data area */
2805
	ha->bars = bars;
2806
	ha->mem_only = mem_only;
2807
	spin_lock_init(&ha->hardware_lock);
2808
	spin_lock_init(&ha->vport_slock);
2809
	mutex_init(&ha->selflogin_lock);
2810
	mutex_init(&ha->optrom_mutex);
L
Linus Torvalds 已提交
2811

2812 2813
	/* Set ISP-type information. */
	qla2x00_set_isp_flags(ha);
2814 2815

	/* Set EEH reset type to fundamental if required by hba */
2816
	if (IS_QLA24XX(ha) || IS_QLA25XX(ha) || IS_QLA81XX(ha) ||
2817
	    IS_QLA83XX(ha) || IS_QLA27XX(ha))
2818 2819
		pdev->needs_freset = 1;

2820 2821 2822 2823
	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;
2824
	ha->max_exchg = FW_MAX_EXCHANGES_CNT;
2825 2826 2827
	atomic_set(&ha->num_pend_mbx_stage1, 0);
	atomic_set(&ha->num_pend_mbx_stage2, 0);
	atomic_set(&ha->num_pend_mbx_stage3, 0);
2828

2829
	/* Assign ISP specific operations. */
L
Linus Torvalds 已提交
2830
	if (IS_QLA2100(ha)) {
2831
		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
L
Linus Torvalds 已提交
2832
		ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
2833 2834 2835
		req_length = REQUEST_ENTRY_CNT_2100;
		rsp_length = RESPONSE_ENTRY_CNT_2100;
		ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
2836
		ha->gid_list_info_size = 4;
2837 2838 2839 2840
		ha->flash_conf_off = ~0;
		ha->flash_data_off = ~0;
		ha->nvram_conf_off = ~0;
		ha->nvram_data_off = ~0;
2841
		ha->isp_ops = &qla2100_isp_ops;
L
Linus Torvalds 已提交
2842
	} else if (IS_QLA2200(ha)) {
2843
		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
2844
		ha->mbx_count = MAILBOX_REGISTER_COUNT_2200;
2845 2846 2847
		req_length = REQUEST_ENTRY_CNT_2200;
		rsp_length = RESPONSE_ENTRY_CNT_2100;
		ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
2848
		ha->gid_list_info_size = 4;
2849 2850 2851 2852
		ha->flash_conf_off = ~0;
		ha->flash_data_off = ~0;
		ha->nvram_conf_off = ~0;
		ha->nvram_data_off = ~0;
2853
		ha->isp_ops = &qla2100_isp_ops;
2854
	} else if (IS_QLA23XX(ha)) {
2855
		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
L
Linus Torvalds 已提交
2856
		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2857 2858 2859
		req_length = REQUEST_ENTRY_CNT_2200;
		rsp_length = RESPONSE_ENTRY_CNT_2300;
		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2860
		ha->gid_list_info_size = 6;
2861 2862
		if (IS_QLA2322(ha) || IS_QLA6322(ha))
			ha->optrom_size = OPTROM_SIZE_2322;
2863 2864 2865 2866
		ha->flash_conf_off = ~0;
		ha->flash_data_off = ~0;
		ha->nvram_conf_off = ~0;
		ha->nvram_data_off = ~0;
2867
		ha->isp_ops = &qla2300_isp_ops;
2868
	} else if (IS_QLA24XX_TYPE(ha)) {
2869
		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2870
		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2871 2872
		req_length = REQUEST_ENTRY_CNT_24XX;
		rsp_length = RESPONSE_ENTRY_CNT_2300;
2873
		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2874
		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2875
		ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2876
		ha->gid_list_info_size = 8;
2877
		ha->optrom_size = OPTROM_SIZE_24XX;
2878
		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA24XX;
2879
		ha->isp_ops = &qla24xx_isp_ops;
2880 2881 2882 2883
		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;
2884
	} else if (IS_QLA25XX(ha)) {
2885
		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2886
		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2887 2888
		req_length = REQUEST_ENTRY_CNT_24XX;
		rsp_length = RESPONSE_ENTRY_CNT_2300;
2889
		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2890
		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2891 2892 2893
		ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
		ha->gid_list_info_size = 8;
		ha->optrom_size = OPTROM_SIZE_25XX;
2894
		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2895
		ha->isp_ops = &qla25xx_isp_ops;
2896 2897 2898 2899 2900
		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)) {
2901
		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2902 2903 2904
		ha->mbx_count = MAILBOX_REGISTER_COUNT;
		req_length = REQUEST_ENTRY_CNT_24XX;
		rsp_length = RESPONSE_ENTRY_CNT_2300;
2905
		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2906 2907 2908 2909
		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;
2910
		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2911 2912 2913 2914 2915
		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;
2916
	} else if (IS_QLA82XX(ha)) {
2917
		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2918 2919 2920 2921 2922 2923 2924
		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;
2925
		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2926 2927 2928 2929 2930
		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;
2931 2932 2933 2934 2935 2936 2937 2938 2939 2940 2941 2942 2943 2944 2945
	} 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;
2946
	} else if (IS_QLA83XX(ha)) {
2947
		ha->portnum = PCI_FUNC(ha->pdev->devfn);
2948
		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2949
		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2950
		req_length = REQUEST_ENTRY_CNT_83XX;
Q
Quinn Tran 已提交
2951
		rsp_length = RESPONSE_ENTRY_CNT_83XX;
2952
		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2953 2954 2955 2956 2957 2958 2959 2960 2961 2962
		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;
2963 2964 2965 2966 2967 2968 2969 2970 2971 2972
	}  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;
2973
		ha->mr.fw_critemp_timer_tick = QLAFX00_CRITEMP_INTERVAL;
2974
		ha->mr.fw_hbt_en = 1;
2975 2976
		ha->mr.host_info_resend = false;
		ha->mr.hinfo_resend_timer_tick = QLAFX00_HINFO_RESEND_INTERVAL;
2977 2978 2979 2980
	} 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
2981 2982
		req_length = REQUEST_ENTRY_CNT_83XX;
		rsp_length = RESPONSE_ENTRY_CNT_83XX;
2983
		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2984 2985 2986 2987 2988 2989 2990 2991 2992 2993
		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
2994
	}
2995

2996 2997 2998
	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, "
2999 3000
	    "gid_list_info_size=%d, optrom_size=%d, nvram_npiv_size=%d, "
	    "max_fibre_devices=%d.\n",
3001 3002
	    ha->mbx_count, req_length, rsp_length, ha->max_loop_id,
	    ha->init_cb_size, ha->gid_list_info_size, ha->optrom_size,
3003
	    ha->nvram_npiv_size, ha->max_fibre_devices);
3004 3005 3006 3007 3008
	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);
3009 3010 3011 3012

	/* Configure PCI I/O space */
	ret = ha->isp_ops->iospace_config(ha);
	if (ret)
3013
		goto iospace_config_failed;
3014 3015 3016 3017

	ql_log_pci(ql_log_info, pdev, 0x001d,
	    "Found an ISP%04X irq %d iobase 0x%p.\n",
	    pdev->device, pdev->irq, ha->iobase);
3018
	mutex_init(&ha->vport_lock);
3019
	mutex_init(&ha->mq_lock);
3020 3021 3022
	init_completion(&ha->mbx_cmd_comp);
	complete(&ha->mbx_cmd_comp);
	init_completion(&ha->mbx_intr_comp);
3023
	init_completion(&ha->dcbx_comp);
3024
	init_completion(&ha->lb_portup_comp);
L
Linus Torvalds 已提交
3025

3026
	set_bit(0, (unsigned long *) ha->vp_idx_map);
L
Linus Torvalds 已提交
3027

3028
	qla2x00_config_dma_addressing(ha);
3029 3030 3031 3032
	ql_dbg_pci(ql_dbg_init, pdev, 0x0020,
	    "64 Bit addressing is %s.\n",
	    ha->flags.enable_64bit_addressing ? "enable" :
	    "disable");
3033
	ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp);
3034
	if (ret) {
3035 3036
		ql_log_pci(ql_log_fatal, pdev, 0x0031,
		    "Failed to allocate memory for adapter, aborting.\n");
L
Linus Torvalds 已提交
3037

3038 3039 3040
		goto probe_hw_failed;
	}

3041
	req->max_q_depth = MAX_Q_DEPTH;
3042
	if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
3043 3044
		req->max_q_depth = ql2xmaxqdepth;

3045 3046 3047

	base_vha = qla2x00_create_host(sht, ha);
	if (!base_vha) {
3048
		ret = -ENOMEM;
3049
		goto probe_hw_failed;
L
Linus Torvalds 已提交
3050 3051
	}

3052
	pci_set_drvdata(pdev, base_vha);
3053
	set_bit(PFLG_DRIVER_PROBING, &base_vha->pci_flags);
3054 3055

	host = base_vha->host;
3056
	base_vha->req = req;
3057
	if (IS_QLA2XXX_MIDTYPE(ha))
3058 3059
		base_vha->mgmt_svr_loop_id =
			qla2x00_reserve_mgmt_server_loop_id(base_vha);
3060
	else
3061 3062
		base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER +
						base_vha->vp_idx;
3063

3064 3065 3066 3067 3068 3069 3070 3071
	/* 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;

3072 3073 3074 3075 3076 3077 3078 3079
	/* 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;
	}
3080
	host->max_id = ha->max_fibre_devices;
3081 3082
	host->cmd_per_lun = 3;
	host->unique_id = host->host_no;
3083
	if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif)
3084 3085 3086
		host->max_cmd_len = 32;
	else
		host->max_cmd_len = MAX_CMDSZ;
3087
	host->max_channel = MAX_BUSES - 1;
3088 3089 3090 3091 3092 3093
	/* 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;
3094
	host->transportt = qla2xxx_transport_template;
3095
	sht->vendor_id = (SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC);
3096

3097 3098 3099
	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 "
3100
	    "max_lun=%llu transportt=%p, vendor_id=%llu.\n", host->max_id,
3101 3102 3103 3104
	    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);

3105 3106
	INIT_WORK(&base_vha->iocb_work, qla2x00_iocb_work_fn);

3107 3108 3109
	/* Set up the irqs */
	ret = qla2x00_request_irqs(ha, rsp);
	if (ret)
3110
		goto probe_failed;
3111

3112
	/* Alloc arrays of request and response ring ptrs */
3113 3114
	ret = qla2x00_alloc_queues(ha, req, rsp);
	if (ret) {
3115 3116 3117
		ql_log(ql_log_fatal, base_vha, 0x003d,
		    "Failed to allocate memory for queue pointers..."
		    "aborting.\n");
3118
		goto probe_failed;
3119 3120
	}

3121 3122 3123 3124 3125 3126
	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);
3127 3128 3129 3130 3131 3132 3133 3134 3135 3136 3137
	} 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");
		}
	}
3138

3139
	qlt_probe_one_stage1(base_vha, ha);
3140

3141 3142
	pci_save_state(pdev);

3143
	/* Assign back pointers */
3144 3145
	rsp->req = req;
	req->rsp = rsp;
3146

3147 3148 3149 3150 3151 3152 3153
	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);
	}

3154 3155 3156 3157 3158
	/* 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;
3159
	if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
3160 3161 3162 3163
		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;
3164 3165
	}

3166 3167 3168 3169 3170 3171 3172
	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;
	}

3173
	if (IS_P3P_TYPE(ha)) {
3174 3175 3176 3177 3178
		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];
	}

3179 3180 3181 3182 3183 3184 3185 3186 3187 3188 3189 3190 3191 3192
	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
3193

3194
	ha->wq = alloc_workqueue("qla2xxx_wq", 0, 0);
3195 3196 3197 3198
	if (unlikely(!ha->wq)) {
		ret = -ENOMEM;
		goto probe_failed;
	}
3199

3200
	if (ha->isp_ops->initialize_adapter(base_vha)) {
3201 3202 3203
		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
3204

3205 3206 3207
		if (IS_QLA82XX(ha)) {
			qla82xx_idc_lock(ha);
			qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
3208
				QLA8XXX_DEV_FAILED);
3209
			qla82xx_idc_unlock(ha);
3210 3211
			ql_log(ql_log_fatal, base_vha, 0x00d7,
			    "HW State: FAILED.\n");
3212 3213 3214 3215 3216 3217 3218 3219
		} 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");
3220 3221
		}

3222
		ret = -ENODEV;
L
Linus Torvalds 已提交
3223 3224 3225
		goto probe_failed;
	}

3226 3227 3228 3229 3230 3231 3232 3233 3234 3235
	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);

3236 3237 3238 3239 3240 3241 3242 3243 3244 3245 3246 3247 3248 3249 3250 3251 3252
	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 */
3253
			for (i = 0; i < ha->max_qpairs; i++)
3254
				qla2xxx_create_qpair(base_vha, 5, 0, startit);
3255 3256
		}
	}
3257

3258 3259 3260
	if (ha->flags.running_gold_fw)
		goto skip_dpc;

L
Linus Torvalds 已提交
3261 3262 3263
	/*
	 * Startup the kernel thread for this host adapter
	 */
3264
	ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
3265
	    "%s_dpc", base_vha->host_str);
3266
	if (IS_ERR(ha->dpc_thread)) {
3267 3268
		ql_log(ql_log_fatal, base_vha, 0x00ed,
		    "Failed to start DPC thread.\n");
3269
		ret = PTR_ERR(ha->dpc_thread);
3270
		ha->dpc_thread = NULL;
L
Linus Torvalds 已提交
3271 3272
		goto probe_failed;
	}
3273 3274
	ql_dbg(ql_dbg_init, base_vha, 0x00ee,
	    "DPC thread started successfully.\n");
L
Linus Torvalds 已提交
3275

3276 3277 3278 3279 3280 3281 3282 3283
	/*
	 * 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);

3284 3285
	INIT_WORK(&ha->board_disable, qla2x00_disable_board_on_pci_error);

3286 3287 3288 3289 3290 3291 3292 3293 3294 3295 3296 3297 3298 3299
	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);
	}

3300
skip_dpc:
3301 3302
	list_add_tail(&base_vha->list, &ha->vp_list);
	base_vha->host->irq = ha->pdev->irq;
L
Linus Torvalds 已提交
3303 3304

	/* Initialized the timer */
3305
	qla2x00_start_timer(base_vha, WATCH_INTERVAL);
3306 3307 3308 3309 3310 3311
	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);
3312

3313
	if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
3314
		if (ha->fw_attributes & BIT_4) {
3315
			int prot = 0, guard;
3316
			base_vha->flags.difdix_supported = 1;
3317 3318
			ql_dbg(ql_dbg_init, base_vha, 0x00f1,
			    "Registering for DIF/DIX type 1 and 3 protection.\n");
3319 3320
			if (ql2xenabledif == 1)
				prot = SHOST_DIX_TYPE0_PROTECTION;
3321
			scsi_host_set_prot(host,
3322
			    prot | SHOST_DIF_TYPE1_PROTECTION
3323
			    | SHOST_DIF_TYPE2_PROTECTION
3324 3325
			    | SHOST_DIF_TYPE3_PROTECTION
			    | SHOST_DIX_TYPE1_PROTECTION
3326
			    | SHOST_DIX_TYPE2_PROTECTION
3327
			    | SHOST_DIX_TYPE3_PROTECTION);
3328 3329 3330 3331 3332 3333 3334 3335

			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);
3336 3337 3338 3339
		} else
			base_vha->flags.difdix_supported = 0;
	}

3340 3341
	ha->isp_ops->enable_intrs(ha);

3342 3343 3344 3345 3346 3347 3348
	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;
	}

3349 3350 3351 3352
	ret = scsi_add_host(host, &pdev->dev);
	if (ret)
		goto probe_failed;

3353 3354
	base_vha->flags.init_done = 1;
	base_vha->flags.online = 1;
3355
	ha->prev_minidump_failed = 0;
3356

3357 3358 3359
	ql_dbg(ql_dbg_init, base_vha, 0x00f2,
	    "Init done and hba is online.\n");

3360 3361
	if (qla_ini_mode_enabled(base_vha) ||
		qla_dual_mode_enabled(base_vha))
3362 3363 3364 3365
		scsi_scan_host(host);
	else
		ql_dbg(ql_dbg_init, base_vha, 0x0122,
			"skipping scsi_scan_host() for non-initiator port\n");
3366

3367
	qla2x00_alloc_sysfs_attr(base_vha);
3368

3369 3370 3371 3372 3373 3374 3375 3376 3377
	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);
	}

3378
	qla2x00_init_host_attr(base_vha);
3379

3380
	qla2x00_dfs_setup(base_vha);
3381

3382 3383
	ql_log(ql_log_info, base_vha, 0x00fb,
	    "QLogic %s - %s.\n", ha->model_number, ha->model_desc);
3384 3385 3386 3387 3388
	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,
3389
	    ha->isp_ops->fw_version_str(base_vha, fw_str, sizeof(fw_str)));
L
Linus Torvalds 已提交
3390

3391 3392
	qlt_add_target(ha, base_vha);

3393
	clear_bit(PFLG_DRIVER_PROBING, &base_vha->pci_flags);
3394 3395 3396 3397

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

3398 3399 3400 3401 3402 3403 3404
	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
3405 3406 3407
	return 0;

probe_failed:
3408 3409 3410 3411 3412 3413
	if (base_vha->gnl.l) {
		dma_free_coherent(&ha->pdev->dev, base_vha->gnl.size,
				base_vha->gnl.l, base_vha->gnl.ldma);
		base_vha->gnl.l = NULL;
	}

3414 3415 3416 3417 3418 3419 3420 3421 3422 3423
	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);
	}

3424 3425
	qla2x00_free_device(base_vha);
	scsi_host_put(base_vha->host);
3426 3427 3428 3429 3430 3431 3432 3433
	/*
	 * Need to NULL out local req/rsp after
	 * qla2x00_free_device => qla2x00_free_queues frees
	 * what these are pointing to. Or else we'll
	 * fall over below in qla2x00_free_req/rsp_que.
	 */
	req = NULL;
	rsp = NULL;
L
Linus Torvalds 已提交
3434

3435
probe_hw_failed:
3436 3437 3438
	qla2x00_mem_free(ha);
	qla2x00_free_req_que(ha, req);
	qla2x00_free_rsp_que(ha, rsp);
3439 3440
	qla2x00_clear_drv_active(ha);

3441
iospace_config_failed:
3442
	if (IS_P3P_TYPE(ha)) {
3443
		if (!ha->nx_pcibase)
3444
			iounmap((device_reg_t *)ha->nx_pcibase);
3445
		if (!ql2xdbwr)
3446
			iounmap((device_reg_t *)ha->nxdb_wr_ptr);
3447 3448 3449
	} else {
		if (ha->iobase)
			iounmap(ha->iobase);
3450 3451
		if (ha->cregbase)
			iounmap(ha->cregbase);
3452
	}
3453 3454
	pci_release_selected_regions(ha->pdev, ha->bars);
	kfree(ha);
L
Linus Torvalds 已提交
3455

3456
disable_device:
3457
	pci_disable_device(pdev);
3458
	return ret;
L
Linus Torvalds 已提交
3459 3460
}

3461 3462 3463 3464 3465 3466 3467 3468 3469
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;

3470 3471 3472 3473 3474 3475 3476 3477 3478 3479 3480 3481 3482
	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;

3483 3484 3485 3486
	/* Notify ISPFX00 firmware */
	if (IS_QLAFX00(ha))
		qlafx00_driver_shutdown(vha, 20);

3487 3488 3489 3490 3491 3492 3493 3494 3495 3496
	/* 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);

3497 3498 3499 3500 3501 3502 3503
	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);
	}
3504

3505 3506 3507 3508
	/* Disable timer */
	if (vha->timer_active)
		qla2x00_stop_timer(vha);

3509 3510 3511 3512 3513 3514 3515 3516 3517 3518 3519 3520
	/* 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);
3521 3522

	pci_disable_device(pdev);
3523 3524
	ql_log(ql_log_info, vha, 0xfffe,
		"Adapter shutdown successfully.\n");
3525 3526
}

3527
/* Deletes all the virtual ports for a given ha */
A
Adrian Bunk 已提交
3528
static void
3529
qla2x00_delete_all_vps(struct qla_hw_data *ha, scsi_qla_host_t *base_vha)
L
Linus Torvalds 已提交
3530
{
3531
	scsi_qla_host_t *vha;
3532
	unsigned long flags;
3533

3534 3535 3536
	mutex_lock(&ha->vport_lock);
	while (ha->cur_vport_count) {
		spin_lock_irqsave(&ha->vport_slock, flags);
3537

3538 3539 3540
		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);
3541
		scsi_host_get(vha->host);
3542

3543 3544 3545
		spin_unlock_irqrestore(&ha->vport_slock, flags);
		mutex_unlock(&ha->vport_lock);

3546 3547
		qla_nvme_delete(vha);

3548 3549
		fc_vport_terminate(vha->fc_vport);
		scsi_host_put(vha->host);
3550

3551
		mutex_lock(&ha->vport_lock);
3552
	}
3553
	mutex_unlock(&ha->vport_lock);
3554
}
L
Linus Torvalds 已提交
3555

3556 3557 3558 3559
/* Stops all deferred work threads */
static void
qla2x00_destroy_deferred_work(struct qla_hw_data *ha)
{
3560 3561 3562 3563 3564 3565 3566 3567 3568 3569 3570 3571 3572 3573 3574
	/* 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;
	}

3575 3576 3577 3578 3579 3580 3581 3582 3583 3584 3585
	/* 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);
	}
3586
}
L
Linus Torvalds 已提交
3587

3588 3589 3590
static void
qla2x00_unmap_iobases(struct qla_hw_data *ha)
{
3591
	if (IS_QLA82XX(ha)) {
3592

3593
		iounmap((device_reg_t *)ha->nx_pcibase);
3594
		if (!ql2xdbwr)
3595
			iounmap((device_reg_t *)ha->nxdb_wr_ptr);
3596 3597 3598
	} else {
		if (ha->iobase)
			iounmap(ha->iobase);
L
Linus Torvalds 已提交
3599

3600 3601 3602
		if (ha->cregbase)
			iounmap(ha->cregbase);

3603 3604
		if (ha->mqiobase)
			iounmap(ha->mqiobase);
3605

3606
		if ((IS_QLA83XX(ha) || IS_QLA27XX(ha)) && ha->msixbase)
3607
			iounmap(ha->msixbase);
3608
	}
3609 3610 3611
}

static void
3612
qla2x00_clear_drv_active(struct qla_hw_data *ha)
3613 3614 3615
{
	if (IS_QLA8044(ha)) {
		qla8044_idc_lock(ha);
3616
		qla8044_clear_drv_active(ha);
3617 3618 3619 3620 3621 3622 3623 3624 3625 3626 3627 3628 3629 3630
		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;

3631 3632
	base_vha = pci_get_drvdata(pdev);
	ha = base_vha->hw;
3633 3634
	ql_log(ql_log_info, base_vha, 0xb079,
	    "Removing driver\n");
3635 3636 3637 3638 3639 3640

	/* 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);

3641
	/*
3642 3643 3644
	 * 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.
3645
	 */
3646
	if (!atomic_read(&pdev->enable_cnt)) {
3647 3648
		dma_free_coherent(&ha->pdev->dev, base_vha->gnl.size,
		    base_vha->gnl.l, base_vha->gnl.ldma);
3649
		base_vha->gnl.l = NULL;
3650 3651 3652
		scsi_host_put(base_vha->host);
		kfree(ha);
		pci_set_drvdata(pdev, NULL);
3653
		return;
3654
	}
3655 3656
	qla2x00_wait_for_hba_ready(base_vha);

3657 3658 3659 3660 3661 3662 3663 3664 3665 3666 3667 3668 3669 3670 3671
	if (IS_QLA25XX(ha) || IS_QLA2031(ha) || IS_QLA27XX(ha)) {
		if (ha->flags.fw_started)
			qla2x00_abort_isp_cleanup(base_vha);
	} else if (!IS_QLAFX00(ha)) {
		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_try_to_stop_firmware(base_vha);
	}

3672 3673
	qla2x00_wait_for_sess_deletion(base_vha);

3674 3675
	/*
	 * if UNLOAD flag is already set, then continue unload,
3676 3677 3678 3679 3680
	 * where it was set first.
	 */
	if (test_bit(UNLOADING, &base_vha->dpc_flags))
		return;

3681
	set_bit(UNLOADING, &base_vha->dpc_flags);
3682 3683 3684

	qla_nvme_delete(base_vha);

3685 3686
	dma_free_coherent(&ha->pdev->dev,
		base_vha->gnl.size, base_vha->gnl.l, base_vha->gnl.ldma);
3687

3688 3689
	base_vha->gnl.l = NULL;

3690 3691
	vfree(base_vha->scan.l);

3692 3693 3694 3695 3696 3697 3698 3699 3700 3701 3702 3703 3704 3705 3706 3707 3708
	if (IS_QLAFX00(ha))
		qlafx00_driver_shutdown(base_vha, 20);

	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);

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

	base_vha->flags.online = 0;

3709 3710 3711 3712
	/* free DMA memory */
	if (ha->exlogin_buf)
		qla2x00_free_exlogin_buffer(ha);

3713 3714 3715 3716
	/* free DMA memory */
	if (ha->exchoffld_buf)
		qla2x00_free_exchoffld_buffer(ha);

3717 3718 3719 3720 3721 3722 3723
	qla2x00_destroy_deferred_work(ha);

	qlt_remove_target(ha, base_vha);

	qla2x00_free_sysfs_attr(base_vha, true);

	fc_remove_host(base_vha->host);
3724
	qlt_remove_target_resources(ha);
3725 3726 3727 3728 3729

	scsi_remove_host(base_vha->host);

	qla2x00_free_device(base_vha);

3730
	qla2x00_clear_drv_active(ha);
3731

3732 3733
	scsi_host_put(base_vha->host);

3734
	qla2x00_unmap_iobases(ha);
3735

3736 3737
	pci_release_selected_regions(ha->pdev, ha->bars);
	kfree(ha);
L
Linus Torvalds 已提交
3738

3739 3740
	pci_disable_pcie_error_reporting(pdev);

3741
	pci_disable_device(pdev);
L
Linus Torvalds 已提交
3742 3743 3744
}

static void
3745
qla2x00_free_device(scsi_qla_host_t *vha)
L
Linus Torvalds 已提交
3746
{
3747
	struct qla_hw_data *ha = vha->hw;
L
Linus Torvalds 已提交
3748

3749 3750 3751 3752 3753 3754
	qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);

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

3755
	qla25xx_delete_queues(vha);
3756 3757
	vha->flags.online = 0;

3758
	/* turn-off interrupts on the card */
3759 3760
	if (ha->interrupts_on) {
		vha->flags.init_done = 0;
3761
		ha->isp_ops->disable_intrs(ha);
3762
	}
3763

3764 3765
	qla2x00_free_fcports(vha);

3766
	qla2x00_free_irqs(vha);
L
Linus Torvalds 已提交
3767

3768 3769 3770 3771 3772 3773 3774
	/* Flush the work queue and remove it */
	if (ha->wq) {
		flush_workqueue(ha->wq);
		destroy_workqueue(ha->wq);
		ha->wq = NULL;
	}

3775

3776
	qla2x00_mem_free(ha);
3777

3778 3779
	qla82xx_md_free(vha);

3780
	qla2x00_free_queues(ha);
L
Linus Torvalds 已提交
3781 3782
}

3783 3784 3785 3786 3787 3788
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);
3789
		qla2x00_clear_loop_id(fcport);
3790 3791 3792 3793
		kfree(fcport);
	}
}

3794
static inline void
3795
qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport,
3796 3797 3798
    int defer)
{
	struct fc_rport *rport;
3799
	scsi_qla_host_t *base_vha;
3800
	unsigned long flags;
3801 3802 3803 3804 3805 3806

	if (!fcport->rport)
		return;

	rport = fcport->rport;
	if (defer) {
3807
		base_vha = pci_get_drvdata(vha->hw->pdev);
3808
		spin_lock_irqsave(vha->host->host_lock, flags);
3809
		fcport->drport = rport;
3810
		spin_unlock_irqrestore(vha->host->host_lock, flags);
3811
		qlt_do_generation_tick(vha, &base_vha->total_fcport_update_gen);
3812 3813
		set_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
		qla2xxx_wake_dpc(base_vha);
3814
	} else {
3815
		int now;
3816
		if (rport) {
3817 3818 3819 3820
			ql_dbg(ql_dbg_disc, fcport->vha, 0x2109,
			    "%s %8phN. rport %p roles %x\n",
			    __func__, fcport->port_name, rport,
			    rport->roles);
3821
			fc_remote_port_delete(rport);
3822
		}
3823
		qlt_do_generation_tick(vha, &now);
3824
	}
3825 3826
}

L
Linus Torvalds 已提交
3827 3828 3829 3830 3831 3832 3833 3834 3835
/*
 * qla2x00_mark_device_lost Updates fcport state when device goes offline.
 *
 * Input: ha = adapter block pointer.  fcport = port structure pointer.
 *
 * Return: None.
 *
 * Context:
 */
3836
void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport,
3837
    int do_login, int defer)
L
Linus Torvalds 已提交
3838
{
3839 3840 3841 3842 3843 3844
	if (IS_QLAFX00(vha->hw)) {
		qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
		qla2x00_schedule_rport_del(vha, fcport, defer);
		return;
	}

3845
	if (atomic_read(&fcport->state) == FCS_ONLINE &&
3846
	    vha->vp_idx == fcport->vha->vp_idx) {
3847
		qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3848 3849
		qla2x00_schedule_rport_del(vha, fcport, defer);
	}
A
Andrew Vasquez 已提交
3850
	/*
L
Linus Torvalds 已提交
3851 3852 3853 3854
	 * 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)
3855
		qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
L
Linus Torvalds 已提交
3856 3857 3858 3859

	if (!do_login)
		return;

3860
	set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
L
Linus Torvalds 已提交
3861 3862 3863 3864 3865 3866 3867 3868 3869 3870 3871 3872 3873 3874 3875 3876
}

/*
 * 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
3877
qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha, int defer)
L
Linus Torvalds 已提交
3878 3879 3880
{
	fc_port_t *fcport;

3881 3882
	ql_dbg(ql_dbg_disc, vha, 0x20f1,
	    "Mark all dev lost\n");
3883

3884
	list_for_each_entry(fcport, &vha->vp_fcports, list) {
3885
		fcport->scan_state = 0;
3886
		qlt_schedule_sess_for_deletion(fcport);
3887

3888
		if (vha->vp_idx != 0 && vha->vp_idx != fcport->vha->vp_idx)
L
Linus Torvalds 已提交
3889
			continue;
3890

L
Linus Torvalds 已提交
3891 3892 3893 3894 3895 3896
		/*
		 * No point in marking the device as lost, if the device is
		 * already DEAD.
		 */
		if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
			continue;
3897
		if (atomic_read(&fcport->state) == FCS_ONLINE) {
3898
			qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3899 3900
			if (defer)
				qla2x00_schedule_rport_del(vha, fcport, defer);
3901
			else if (vha->vp_idx == fcport->vha->vp_idx)
3902 3903
				qla2x00_schedule_rport_del(vha, fcport, defer);
		}
L
Linus Torvalds 已提交
3904 3905 3906 3907 3908 3909 3910 3911 3912
	}
}

/*
* qla2x00_mem_alloc
*      Allocates adapter memory.
*
* Returns:
*      0  = success.
3913
*      !0  = failure.
L
Linus Torvalds 已提交
3914
*/
3915
static int
3916 3917
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
3918 3919 3920
{
	char	name[16];

3921
	ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
3922
		&ha->init_cb_dma, GFP_KERNEL);
3923
	if (!ha->init_cb)
3924
		goto fail;
3925

3926 3927 3928
	if (qlt_mem_alloc(ha) < 0)
		goto fail_free_init_cb;

3929 3930
	ha->gid_list = dma_alloc_coherent(&ha->pdev->dev,
		qla2x00_gid_list_size(ha), &ha->gid_list_dma, GFP_KERNEL);
3931
	if (!ha->gid_list)
3932
		goto fail_free_tgt_mem;
L
Linus Torvalds 已提交
3933

3934 3935
	ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
	if (!ha->srb_mempool)
3936
		goto fail_free_gid_list;
3937

3938
	if (IS_P3P_TYPE(ha)) {
3939 3940 3941 3942 3943 3944
		/* 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)
3945
				goto fail_free_srb_mempool;
3946 3947 3948 3949 3950
		}
		ha->ctx_mempool = mempool_create_slab_pool(SRB_MIN_REQ,
			ctx_cachep);
		if (!ha->ctx_mempool)
			goto fail_free_srb_mempool;
3951 3952 3953
		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0021,
		    "ctx_cachep=%p ctx_mempool=%p.\n",
		    ctx_cachep, ha->ctx_mempool);
3954 3955
	}

3956 3957 3958
	/* Get memory for cached NVRAM */
	ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
	if (!ha->nvram)
3959
		goto fail_free_ctx_mempool;
3960

3961 3962 3963 3964 3965 3966 3967
	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;

3968 3969 3970 3971
	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);

3972
	if (IS_P3P_TYPE(ha) || ql2xenabledif) {
3973 3974 3975
		ha->dl_dma_pool = dma_pool_create(name, &ha->pdev->dev,
			DSD_LIST_DMA_POOL_SIZE, 8, 0);
		if (!ha->dl_dma_pool) {
3976 3977
			ql_log_pci(ql_log_fatal, ha->pdev, 0x0023,
			    "Failed to allocate memory for dl_dma_pool.\n");
3978 3979 3980 3981 3982 3983
			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) {
3984 3985
			ql_log_pci(ql_log_fatal, ha->pdev, 0x0024,
			    "Failed to allocate memory for fcp_cmnd_dma_pool.\n");
3986 3987
			goto fail_dl_dma_pool;
		}
3988 3989 3990
		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);
3991 3992
	}

3993 3994
	/* Allocate memory for SNS commands */
	if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
3995
	/* Get consistent memory allocated for SNS commands */
3996
		ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
3997
		sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
3998
		if (!ha->sns_cmd)
3999
			goto fail_dma_pool;
4000
		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0026,
4001
		    "sns_cmd: %p.\n", ha->sns_cmd);
4002
	} else {
4003
	/* Get consistent memory allocated for MS IOCB */
4004
		ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
4005
			&ha->ms_iocb_dma);
4006
		if (!ha->ms_iocb)
4007 4008
			goto fail_dma_pool;
	/* Get consistent memory allocated for CT SNS commands */
4009
		ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
4010
			sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
4011 4012
		if (!ha->ct_sns)
			goto fail_free_ms_iocb;
4013 4014 4015
		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
4016 4017
	}

4018
	/* Allocate memory for request ring */
4019 4020
	*req = kzalloc(sizeof(struct req_que), GFP_KERNEL);
	if (!*req) {
4021 4022
		ql_log_pci(ql_log_fatal, ha->pdev, 0x0028,
		    "Failed to allocate memory for req.\n");
4023 4024
		goto fail_req;
	}
4025 4026 4027 4028 4029
	(*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) {
4030 4031
		ql_log_pci(ql_log_fatal, ha->pdev, 0x0029,
		    "Failed to allocate memory for req_ring.\n");
4032 4033 4034
		goto fail_req_ring;
	}
	/* Allocate memory for response ring */
4035 4036
	*rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL);
	if (!*rsp) {
4037 4038
		ql_log_pci(ql_log_fatal, ha->pdev, 0x002a,
		    "Failed to allocate memory for rsp.\n");
4039 4040
		goto fail_rsp;
	}
4041 4042 4043 4044 4045 4046
	(*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) {
4047 4048
		ql_log_pci(ql_log_fatal, ha->pdev, 0x002b,
		    "Failed to allocate memory for rsp_ring.\n");
4049 4050
		goto fail_rsp_ring;
	}
4051 4052
	(*req)->rsp = *rsp;
	(*rsp)->req = *req;
4053 4054 4055 4056 4057
	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);
4058 4059
	/* Allocate memory for NVRAM data for vports */
	if (ha->nvram_npiv_size) {
K
Kees Cook 已提交
4060 4061 4062
		ha->npiv_info = kcalloc(ha->nvram_npiv_size,
					sizeof(struct qla_npiv_entry),
					GFP_KERNEL);
4063
		if (!ha->npiv_info) {
4064 4065
			ql_log_pci(ql_log_fatal, ha->pdev, 0x002d,
			    "Failed to allocate memory for npiv_info.\n");
4066 4067 4068 4069
			goto fail_npiv_info;
		}
	} else
		ha->npiv_info = NULL;
4070

4071
	/* Get consistent memory allocated for EX-INIT-CB. */
4072
	if (IS_CNA_CAPABLE(ha) || IS_QLA2031(ha) || IS_QLA27XX(ha)) {
4073 4074 4075 4076
		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;
4077 4078
		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002e,
		    "ex_init_cb=%p.\n", ha->ex_init_cb);
4079 4080
	}

4081 4082
	INIT_LIST_HEAD(&ha->gbl_dsd_list);

4083 4084 4085 4086 4087 4088
	/* 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;
4089 4090
		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002f,
		    "async_pd=%p.\n", ha->async_pd);
4091 4092
	}

4093
	INIT_LIST_HEAD(&ha->vp_list);
4094 4095

	/* Allocate memory for our loop_id bitmap */
K
Kees Cook 已提交
4096 4097 4098
	ha->loop_id_map = kcalloc(BITS_TO_LONGS(LOOPID_MAP_SIZE),
				  sizeof(long),
				  GFP_KERNEL);
4099
	if (!ha->loop_id_map)
4100
		goto fail_loop_id_map;
4101 4102 4103
	else {
		qla2x00_set_reserved_loop_ids(ha);
		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0123,
4104
		    "loop_id_map=%p.\n", ha->loop_id_map);
4105 4106
	}

4107 4108 4109 4110 4111 4112 4113 4114
	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;
	}

4115
	return 0;
4116

4117 4118
fail_sfp_data:
	kfree(ha->loop_id_map);
4119 4120
fail_loop_id_map:
	dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma);
4121 4122
fail_async_pd:
	dma_pool_free(ha->s_dma_pool, ha->ex_init_cb, ha->ex_init_cb_dma);
4123 4124
fail_ex_init_cb:
	kfree(ha->npiv_info);
4125 4126 4127 4128 4129
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;
4130
fail_rsp_ring:
4131
	kfree(*rsp);
4132
	*rsp = NULL;
4133
fail_rsp:
4134 4135 4136 4137
	dma_free_coherent(&ha->pdev->dev, ((*req)->length + 1) *
		sizeof(request_t), (*req)->ring, (*req)->dma);
	(*req)->ring = NULL;
	(*req)->dma = 0;
4138
fail_req_ring:
4139
	kfree(*req);
4140
	*req = NULL;
4141 4142 4143 4144 4145
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;
4146 4147 4148 4149
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;
4150 4151 4152 4153

	if (ha->sns_cmd)
		dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
		    ha->sns_cmd, ha->sns_cmd_dma);
4154
fail_dma_pool:
4155
	if (IS_QLA82XX(ha) || ql2xenabledif) {
4156 4157 4158 4159
		dma_pool_destroy(ha->fcp_cmnd_dma_pool);
		ha->fcp_cmnd_dma_pool = NULL;
	}
fail_dl_dma_pool:
4160
	if (IS_QLA82XX(ha) || ql2xenabledif) {
4161 4162 4163 4164
		dma_pool_destroy(ha->dl_dma_pool);
		ha->dl_dma_pool = NULL;
	}
fail_s_dma_pool:
4165 4166
	dma_pool_destroy(ha->s_dma_pool);
	ha->s_dma_pool = NULL;
4167 4168 4169
fail_free_nvram:
	kfree(ha->nvram);
	ha->nvram = NULL;
4170
fail_free_ctx_mempool:
4171 4172
	if (ha->ctx_mempool)
		mempool_destroy(ha->ctx_mempool);
4173
	ha->ctx_mempool = NULL;
4174
fail_free_srb_mempool:
4175 4176
	if (ha->srb_mempool)
		mempool_destroy(ha->srb_mempool);
4177 4178
	ha->srb_mempool = NULL;
fail_free_gid_list:
4179 4180
	dma_free_coherent(&ha->pdev->dev, qla2x00_gid_list_size(ha),
	ha->gid_list,
4181
	ha->gid_list_dma);
4182 4183
	ha->gid_list = NULL;
	ha->gid_list_dma = 0;
4184 4185
fail_free_tgt_mem:
	qlt_mem_free(ha);
4186 4187 4188 4189 4190
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;
4191
fail:
4192 4193
	ql_log(ql_log_fatal, NULL, 0x0030,
	    "Memory allocation failure.\n");
4194
	return -ENOMEM;
L
Linus Torvalds 已提交
4195 4196
}

4197 4198 4199 4200 4201 4202 4203 4204 4205 4206 4207
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;

4208 4209 4210
	if (!IS_EXLOGIN_OFFLD_CAPABLE(ha))
		return QLA_SUCCESS;

4211 4212 4213 4214 4215 4216 4217 4218 4219 4220
	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;
4221 4222 4223 4224 4225 4226 4227 4228 4229 4230 4231 4232 4233 4234 4235 4236 4237 4238
	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,
4239
		    "Failed to allocate memory for exlogin_buf_dma.\n");
4240 4241
			return -ENOMEM;
		}
4242 4243 4244 4245 4246
	}

	/* Now configure the dma buffer */
	rval = qla_set_exlogin_mem_cfg(vha, ha->exlogin_buf_dma);
	if (rval) {
4247
		ql_log(ql_log_fatal, vha, 0xd033,
4248 4249 4250 4251 4252 4253 4254 4255 4256 4257 4258 4259 4260 4261 4262 4263 4264 4265 4266 4267 4268 4269 4270 4271
		    "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;
	}
}

4272 4273 4274 4275 4276 4277
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;

4278 4279 4280
	if (max_cnt > vha->hw->max_exchg)
		max_cnt = vha->hw->max_exchg;

4281 4282 4283 4284 4285 4286 4287 4288 4289 4290 4291 4292 4293 4294 4295 4296 4297 4298 4299 4300 4301 4302 4303 4304 4305
	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;
	}
}

4306 4307 4308 4309
int
qla2x00_set_exchoffld_buffer(scsi_qla_host_t *vha)
{
	int rval;
4310 4311
	u16	size, max_cnt;
	u32 actual_cnt, totsz;
4312 4313
	struct qla_hw_data *ha = vha->hw;

4314 4315 4316 4317
	if (!ha->flags.exchoffld_enabled)
		return QLA_SUCCESS;

	if (!IS_EXCHG_OFFLD_CAPABLE(ha))
4318 4319 4320 4321 4322 4323 4324 4325 4326 4327
		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;
	}

4328 4329 4330 4331 4332
	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;
4333

4334
	if (totsz != ha->exchoffld_size) {
4335
		qla2x00_free_exchoffld_buffer(ha);
4336
		ha->exchoffld_size = totsz;
4337 4338

		ql_log(ql_log_info, vha, 0xd016,
4339 4340
		    "Exchange offload: max_count=%d, actual count=%d entry sz=0x%x, total sz=0x%x\n",
		    max_cnt, actual_cnt, size, totsz);
4341 4342 4343 4344 4345 4346 4347 4348 4349 4350

		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,
4351 4352 4353 4354 4355 4356 4357 4358 4359 4360 4361 4362 4363 4364 4365
			"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;

4366 4367
			return -ENOMEM;
		}
4368 4369 4370
	}

	/* Now configure the dma buffer */
4371
	rval = qla_set_exchoffld_mem_cfg(vha);
4372 4373 4374 4375
	if (rval) {
		ql_log(ql_log_fatal, vha, 0xd02e,
		    "Setup exchange offload buffer ****FAILED****.\n");
		qla2x00_free_exchoffld_buffer(ha);
4376 4377 4378 4379 4380 4381 4382 4383
	} 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);
4384 4385 4386 4387 4388 4389 4390 4391 4392 4393 4394 4395 4396 4397 4398 4399 4400 4401 4402 4403 4404 4405
	}

	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
4406
/*
4407 4408
* qla2x00_free_fw_dump
*	Frees fw dump stuff.
L
Linus Torvalds 已提交
4409 4410
*
* Input:
4411
*	ha = adapter block pointer
L
Linus Torvalds 已提交
4412
*/
A
Adrian Bunk 已提交
4413
static void
4414
qla2x00_free_fw_dump(struct qla_hw_data *ha)
L
Linus Torvalds 已提交
4415
{
4416
	if (ha->fce)
4417 4418
		dma_free_coherent(&ha->pdev->dev,
		    FCE_SIZE, ha->fce, ha->fce_dma);
4419

4420 4421 4422 4423 4424
	if (ha->eft)
		dma_free_coherent(&ha->pdev->dev,
		    EFT_SIZE, ha->eft, ha->eft_dma);

	if (ha->fw_dump)
4425
		vfree(ha->fw_dump);
4426 4427 4428
	if (ha->fw_dump_template)
		vfree(ha->fw_dump_template);

4429 4430 4431 4432 4433
	ha->fce = NULL;
	ha->fce_dma = 0;
	ha->eft = NULL;
	ha->eft_dma = 0;
	ha->fw_dumped = 0;
4434
	ha->fw_dump_cap_flags = 0;
4435
	ha->fw_dump_reading = 0;
4436 4437 4438 4439
	ha->fw_dump = NULL;
	ha->fw_dump_len = 0;
	ha->fw_dump_template = NULL;
	ha->fw_dump_template_len = 0;
4440 4441 4442 4443 4444 4445 4446 4447 4448 4449 4450 4451 4452 4453
}

/*
* 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);

4454 4455 4456 4457
	if (ha->mctp_dump)
		dma_free_coherent(&ha->pdev->dev, MCTP_DUMP_SIZE, ha->mctp_dump,
		    ha->mctp_dump_dma);

4458 4459
	if (ha->srb_mempool)
		mempool_destroy(ha->srb_mempool);
4460

4461 4462 4463 4464
	if (ha->dcbx_tlv)
		dma_free_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
		    ha->dcbx_tlv, ha->dcbx_tlv_dma);

4465 4466 4467 4468
	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
4469 4470
	if (ha->sns_cmd)
		dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
4471
		ha->sns_cmd, ha->sns_cmd_dma);
L
Linus Torvalds 已提交
4472 4473 4474

	if (ha->ct_sns)
		dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
4475
		ha->ct_sns, ha->ct_sns_dma);
L
Linus Torvalds 已提交
4476

4477
	if (ha->sfp_data)
4478 4479
		dma_free_coherent(&ha->pdev->dev, SFP_DEV_SIZE, ha->sfp_data,
		    ha->sfp_data_dma);
4480

L
Linus Torvalds 已提交
4481 4482 4483
	if (ha->ms_iocb)
		dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);

4484
	if (ha->ex_init_cb)
4485 4486
		dma_pool_free(ha->s_dma_pool,
			ha->ex_init_cb, ha->ex_init_cb_dma);
4487

4488 4489 4490
	if (ha->async_pd)
		dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma);

L
Linus Torvalds 已提交
4491 4492 4493 4494
	if (ha->s_dma_pool)
		dma_pool_destroy(ha->s_dma_pool);

	if (ha->gid_list)
4495 4496
		dma_free_coherent(&ha->pdev->dev, qla2x00_gid_list_size(ha),
		ha->gid_list, ha->gid_list_dma);
L
Linus Torvalds 已提交
4497

4498 4499 4500 4501 4502 4503 4504 4505 4506 4507 4508 4509 4510 4511 4512 4513 4514 4515 4516 4517 4518 4519 4520 4521
	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);

4522 4523
	qlt_mem_free(ha);

4524 4525
	if (ha->init_cb)
		dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
4526
			ha->init_cb, ha->init_cb_dma);
4527

4528 4529 4530 4531 4532
	vfree(ha->optrom_buffer);
	kfree(ha->nvram);
	kfree(ha->npiv_info);
	kfree(ha->swl);
	kfree(ha->loop_id_map);
L
Linus Torvalds 已提交
4533

4534
	ha->srb_mempool = NULL;
4535
	ha->ctx_mempool = NULL;
L
Linus Torvalds 已提交
4536 4537 4538 4539 4540 4541 4542 4543
	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;
4544 4545
	ha->ex_init_cb = NULL;
	ha->ex_init_cb_dma = 0;
4546 4547
	ha->async_pd = NULL;
	ha->async_pd_dma = 0;
4548 4549 4550 4551 4552 4553 4554 4555 4556
	ha->loop_id_map = NULL;
	ha->npiv_info = NULL;
	ha->optrom_buffer = NULL;
	ha->swl = NULL;
	ha->nvram = NULL;
	ha->mctp_dump = NULL;
	ha->dcbx_tlv = NULL;
	ha->xgmac_data = NULL;
	ha->sfp_data = NULL;
L
Linus Torvalds 已提交
4557 4558

	ha->s_dma_pool = NULL;
4559 4560
	ha->dl_dma_pool = NULL;
	ha->fcp_cmnd_dma_pool = NULL;
L
Linus Torvalds 已提交
4561 4562 4563

	ha->gid_list = NULL;
	ha->gid_list_dma = 0;
4564 4565 4566 4567

	ha->tgt.atio_ring = NULL;
	ha->tgt.atio_dma = 0;
	ha->tgt.tgt_vp_map = NULL;
4568
}
L
Linus Torvalds 已提交
4569

4570 4571 4572 4573 4574
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;
4575

4576
	host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
4577
	if (!host) {
4578 4579
		ql_log_pci(ql_log_fatal, ha->pdev, 0x0107,
		    "Failed to allocate host from the scsi layer, aborting.\n");
4580
		return NULL;
4581 4582 4583 4584 4585 4586 4587 4588 4589 4590 4591 4592 4593
	}

	/* 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);
4594 4595
	INIT_LIST_HEAD(&vha->qla_cmd_list);
	INIT_LIST_HEAD(&vha->qla_sess_op_cmd_list);
4596
	INIT_LIST_HEAD(&vha->logo_list);
4597
	INIT_LIST_HEAD(&vha->plogi_ack_list);
4598
	INIT_LIST_HEAD(&vha->qp_list);
4599
	INIT_LIST_HEAD(&vha->gnl.fcports);
4600
	INIT_LIST_HEAD(&vha->nvme_rport_list);
4601
	INIT_LIST_HEAD(&vha->gpnid_list);
4602
	INIT_WORK(&vha->iocb_work, qla2x00_iocb_work_fn);
4603

4604
	spin_lock_init(&vha->work_lock);
4605
	spin_lock_init(&vha->cmd_list_lock);
4606
	spin_lock_init(&vha->gnl.fcports_lock);
4607
	init_waitqueue_head(&vha->fcport_waitQ);
4608
	init_waitqueue_head(&vha->vref_waitq);
4609

4610 4611
	vha->gnl.size = sizeof(struct get_name_list_extended) *
			(ha->max_loop_id + 1);
4612 4613 4614
	vha->gnl.l = dma_alloc_coherent(&ha->pdev->dev,
	    vha->gnl.size, &vha->gnl.ldma, GFP_KERNEL);
	if (!vha->gnl.l) {
4615
		ql_log(ql_log_fatal, vha, 0xd04a,
4616 4617 4618 4619
		    "Alloc failed for name list.\n");
		scsi_remove_host(vha->host);
		return NULL;
	}
4620

4621 4622 4623 4624 4625 4626 4627 4628
	/* 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);
4629
		vha->gnl.l = NULL;
4630 4631 4632
		scsi_remove_host(vha->host);
		return NULL;
	}
4633
	INIT_DELAYED_WORK(&vha->scan.scan_work, qla_scan_work_fn);
4634

4635
	sprintf(vha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, vha->host_no);
4636 4637 4638 4639 4640
	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)));

4641
	return vha;
L
Linus Torvalds 已提交
4642 4643
}

4644
struct qla_work_evt *
4645
qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type)
4646 4647
{
	struct qla_work_evt *e;
4648 4649 4650 4651 4652
	uint8_t bail;

	QLA_VHA_MARK_BUSY(vha, bail);
	if (bail)
		return NULL;
4653

4654
	e = kzalloc(sizeof(struct qla_work_evt), GFP_ATOMIC);
4655 4656
	if (!e) {
		QLA_VHA_MARK_NOT_BUSY(vha);
4657
		return NULL;
4658
	}
4659 4660 4661 4662 4663 4664 4665

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

4666
int
4667
qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e)
4668
{
4669
	unsigned long flags;
4670
	bool q = false;
4671

4672
	spin_lock_irqsave(&vha->work_lock, flags);
4673
	list_add_tail(&e->list, &vha->work_list);
4674 4675 4676 4677

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

4678
	spin_unlock_irqrestore(&vha->work_lock, flags);
4679

4680 4681
	if (q)
		queue_work(vha->hw->wq, &vha->iocb_work);
4682

4683 4684 4685 4686
	return QLA_SUCCESS;
}

int
4687
qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code,
4688 4689 4690 4691
    u32 data)
{
	struct qla_work_evt *e;

4692
	e = qla2x00_alloc_work(vha, QLA_EVT_AEN);
4693 4694 4695 4696 4697
	if (!e)
		return QLA_FUNCTION_FAILED;

	e->u.aen.code = code;
	e->u.aen.data = data;
4698
	return qla2x00_post_work(vha, e);
4699 4700
}

4701 4702 4703 4704 4705
int
qla2x00_post_idc_ack_work(struct scsi_qla_host *vha, uint16_t *mb)
{
	struct qla_work_evt *e;

4706
	e = qla2x00_alloc_work(vha, QLA_EVT_IDC_ACK);
4707 4708 4709 4710
	if (!e)
		return QLA_FUNCTION_FAILED;

	memcpy(e->u.idc_ack.mb, mb, QLA_IDC_ACK_REGS * sizeof(uint16_t));
4711
	return qla2x00_post_work(vha, e);
4712 4713
}

4714 4715 4716 4717 4718 4719 4720 4721 4722 4723 4724 4725 4726 4727 4728 4729
#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];	\
	}					\
4730
	fcport->flags |= FCF_ASYNC_ACTIVE;	\
4731 4732 4733 4734 4735 4736
	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);
4737 4738
qla2x00_post_async_work(adisc, QLA_EVT_ASYNC_ADISC);
qla2x00_post_async_work(adisc_done, QLA_EVT_ASYNC_ADISC_DONE);
4739 4740
qla2x00_post_async_work(prlo, QLA_EVT_ASYNC_PRLO);
qla2x00_post_async_work(prlo_done, QLA_EVT_ASYNC_PRLO_DONE);
4741

4742 4743 4744 4745 4746 4747 4748 4749 4750 4751 4752 4753 4754 4755 4756 4757 4758 4759 4760 4761 4762 4763 4764 4765 4766 4767 4768 4769 4770 4771 4772
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);
}

4773 4774 4775 4776 4777 4778 4779 4780 4781 4782 4783 4784 4785 4786 4787 4788
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);
}

4789 4790 4791 4792 4793 4794 4795 4796 4797 4798 4799 4800 4801 4802 4803 4804
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;
4805
	fc_port_t *fcport =  NULL, *tfcp;
4806 4807
	struct qlt_plogi_ack_t *pla =
	    (struct qlt_plogi_ack_t *)e->u.new_sess.pla;
4808
	uint8_t free_fcport = 0;
4809

4810 4811 4812 4813
	ql_dbg(ql_dbg_disc, vha, 0xffff,
	    "%s %d %8phC enter\n",
	    __func__, __LINE__, e->u.new_sess.port_name);

4814 4815 4816 4817 4818 4819
	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;
4820 4821 4822
			memcpy(fcport->node_name,
			    pla->iocb.u.isp24.u.plogi.node_name,
			    WWN_SIZE);
4823 4824 4825 4826 4827 4828 4829
			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 {
4830
		spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
4831 4832 4833 4834 4835
		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;
4836
			if (e->u.new_sess.fc4_type == FS_FC4TYPE_FCP)
4837
				fcport->fc4_type = FC4_TYPE_FCP_SCSI;
4838

4839
			if (e->u.new_sess.fc4_type == FS_FC4TYPE_NVME) {
4840 4841 4842
				fcport->fc4_type = FC4_TYPE_OTHER;
				fcport->fc4f_nvme = FC4_TYPE_NVME;
			}
4843

4844 4845
			memcpy(fcport->port_name, e->u.new_sess.port_name,
			    WWN_SIZE);
4846 4847 4848 4849 4850 4851 4852 4853 4854 4855 4856
		} 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);
4857
		/* search again to make sure no one else got ahead */
4858 4859 4860 4861 4862 4863 4864 4865 4866 4867 4868
		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 {
4869 4870
			list_add_tail(&fcport->list, &vha->vp_fcports);

4871 4872 4873 4874 4875
		}
		if (pla) {
			qlt_plogi_ack_link(vha, pla, fcport,
			    QLT_PLOGI_LINK_SAME_WWN);
			pla->ref_count--;
4876 4877 4878 4879 4880
		}
	}
	spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);

	if (fcport) {
4881 4882
		fcport->id_changed = 1;
		fcport->scan_state = QLA_FCPORT_FOUND;
4883
		fcport->chip_reset = vha->hw->base_qpair->chip_reset;
4884 4885
		memcpy(fcport->node_name, e->u.new_sess.node_name, WWN_SIZE);

4886
		if (pla) {
4887 4888 4889 4890 4891 4892 4893 4894 4895 4896 4897 4898 4899 4900 4901 4902 4903 4904 4905 4906 4907
			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;
			}
4908
			qlt_plogi_ack_unref(vha, pla);
4909
		} else {
4910 4911
			fc_port_t *dfcp = NULL;

4912 4913 4914 4915 4916 4917 4918 4919 4920 4921 4922 4923 4924 4925 4926 4927 4928 4929 4930 4931 4932 4933
			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;
4934
					dfcp = tfcp;
4935 4936 4937 4938
					break;
				}
			}
			spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
4939 4940
			if (dfcp)
				qlt_schedule_sess_for_deletion(tfcp);
4941 4942


4943 4944 4945 4946 4947 4948 4949 4950 4951 4952 4953 4954 4955 4956 4957
			if (N2N_TOPO(vha->hw))
				fcport->flags &= ~FCF_FABRIC_DEVICE;

			if (N2N_TOPO(vha->hw)) {
				if (vha->flags.nvme_enabled) {
					fcport->fc4f_nvme = 1;
					fcport->n2n_flag = 1;
				}
				fcport->fw_login_state = 0;
				/*
				 * wait link init done before sending login
				 */
			} else {
				qla24xx_fcport_handle_login(vha, fcport);
			}
4958
		}
4959
	}
4960 4961 4962 4963 4964 4965

	if (free_fcport) {
		qla2x00_free_fcport(fcport);
		if (pla)
			kmem_cache_free(qla_tgt_plogi_cachep, pla);
	}
4966 4967
}

4968 4969 4970 4971 4972 4973 4974 4975 4976 4977 4978 4979 4980 4981
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);
	}
}

4982
void
4983
qla2x00_do_work(struct scsi_qla_host *vha)
4984
{
4985 4986 4987
	struct qla_work_evt *e, *tmp;
	unsigned long flags;
	LIST_HEAD(work);
4988

4989 4990 4991 4992 4993
	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) {
4994 4995 4996 4997
		list_del_init(&e->list);

		switch (e->type) {
		case QLA_EVT_AEN:
4998
			fc_host_post_event(vha->host, fc_get_event_number(),
4999 5000
			    e->u.aen.code, e->u.aen.data);
			break;
5001 5002 5003
		case QLA_EVT_IDC_ACK:
			qla81xx_idc_ack(vha, e->u.idc_ack.mb);
			break;
5004 5005 5006 5007 5008 5009 5010 5011 5012 5013 5014
		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;
5015 5016 5017 5018 5019 5020 5021 5022
		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;
5023 5024 5025
		case QLA_EVT_UEVENT:
			qla2x00_uevent_emit(vha, e->u.uevent.code);
			break;
5026 5027 5028
		case QLA_EVT_AENFX:
			qlafx00_process_aen(vha, e);
			break;
5029 5030 5031 5032 5033 5034
		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;
5035 5036
		case QLA_EVT_UNMAP:
			qla24xx_sp_unmap(vha, e->u.iosb.sp);
5037
			break;
5038 5039 5040
		case QLA_EVT_RELOGIN:
			qla2x00_relogin(vha);
			break;
5041 5042 5043 5044 5045 5046 5047
		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;
5048 5049 5050
		case QLA_EVT_PRLI:
			qla24xx_async_prli(vha, e->u.fcport.fcport);
			break;
5051 5052 5053 5054 5055 5056 5057 5058 5059 5060 5061 5062
		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;
5063 5064 5065 5066 5067 5068 5069
		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;
5070
		case QLA_EVT_GPNFT:
5071 5072
			qla24xx_async_gpnft(vha, e->u.gpnft.fc4_type,
			    e->u.gpnft.sp);
5073 5074 5075 5076 5077 5078 5079 5080 5081 5082 5083 5084 5085
			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;
5086 5087
		case QLA_EVT_SP_RETRY:
			qla_sp_retry(vha, e);
5088 5089 5090 5091
			break;
		case QLA_EVT_IIDMA:
			qla_do_iidma_work(vha, e->u.fcport.fcport);
			break;
5092 5093 5094 5095
		case QLA_EVT_ELS_PLOGI:
			qla24xx_els_dcmd2_iocb(vha, ELS_DCMD_PLOGI,
			    e->u.fcport.fcport, false);
			break;
5096 5097 5098
		}
		if (e->flags & QLA_EVT_FLAG_FREE)
			kfree(e);
5099 5100 5101

		/* For each work completed decrement vha ref count */
		QLA_VHA_MARK_NOT_BUSY(vha);
5102 5103
	}
}
5104

5105 5106 5107 5108 5109 5110 5111 5112 5113 5114 5115 5116 5117 5118
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);
}

5119 5120 5121 5122 5123 5124
/* Relogins all the fcports of a vport
 * Context: dpc thread
 */
void qla2x00_relogin(struct scsi_qla_host *vha)
{
	fc_port_t       *fcport;
5125
	int status, relogin_needed = 0;
5126
	struct event_arg ea;
5127 5128

	list_for_each_entry(fcport, &vha->vp_fcports, list) {
5129 5130 5131 5132
		/*
		 * If the port is not ONLINE then try to login
		 * to it if we haven't run out of retries.
		 */
5133
		if (atomic_read(&fcport->state) != FCS_ONLINE &&
5134 5135 5136 5137
		    fcport->login_retry) {
			if (fcport->scan_state != QLA_FCPORT_FOUND ||
			    fcport->disc_state == DSC_LOGIN_COMPLETE)
				continue;
5138

5139 5140 5141 5142 5143 5144 5145 5146 5147 5148 5149 5150 5151 5152 5153 5154 5155 5156 5157 5158 5159 5160 5161 5162 5163 5164 5165 5166 5167 5168 5169 5170 5171 5172
			if (fcport->flags & (FCF_ASYNC_SENT|FCF_ASYNC_ACTIVE) ||
				fcport->disc_state == DSC_DELETE_PEND) {
				relogin_needed = 1;
			} else {
				if (vha->hw->current_topology != ISP_CFG_NL) {
					memset(&ea, 0, sizeof(ea));
					ea.event = FCME_RELOGIN;
					ea.fcport = fcport;
					qla2x00_fcport_event_handler(vha, &ea);
				} else if (vha->hw->current_topology ==
				    ISP_CFG_NL) {
					fcport->login_retry--;
					status =
					    qla2x00_local_device_login(vha,
						fcport);
					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;
					}
5173

5174 5175 5176 5177
					if (fcport->login_retry == 0 &&
					    status != QLA_SUCCESS)
						qla2x00_clear_loop_id(fcport);
				}
5178 5179 5180 5181
			}
		}
		if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
			break;
5182
	}
5183

5184 5185 5186
	if (relogin_needed)
		set_bit(RELOGIN_NEEDED, &vha->dpc_flags);

5187 5188
	ql_dbg(ql_dbg_disc, vha, 0x400e,
	    "Relogin end.\n");
5189 5190
}

5191 5192 5193 5194 5195 5196 5197 5198 5199 5200 5201 5202 5203 5204 5205 5206 5207 5208 5209 5210 5211 5212 5213 5214 5215 5216 5217 5218 5219 5220 5221
/* 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,
5222
		    "Unknown work-code=0x%x.\n", work_code);
5223 5224 5225 5226 5227 5228 5229 5230 5231 5232
	}

	return;
}

/* Work: Perform NIC Core Unrecoverable state handling */
void
qla83xx_nic_core_unrecoverable_work(struct work_struct *work)
{
	struct qla_hw_data *ha =
5233
		container_of(work, struct qla_hw_data, nic_core_unrecoverable);
5234 5235 5236 5237 5238 5239 5240 5241 5242 5243 5244 5245 5246 5247 5248 5249 5250 5251 5252 5253 5254
	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 =
5255
		container_of(work, struct qla_hw_data, idc_state_handler);
5256 5257 5258 5259 5260 5261 5262 5263 5264 5265 5266
	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);
}

5267
static int
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
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;

5305 5306 5307 5308 5309 5310 5311
	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;
	}

5312 5313 5314 5315 5316 5317 5318 5319 5320 5321 5322 5323 5324 5325 5326 5327 5328 5329 5330 5331 5332 5333 5334 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
	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 */
	}
}

5385
static int
5386 5387 5388 5389 5390 5391 5392
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;
5393 5394
	ql_dbg(ql_dbg_p3p, base_vha, 0xb086,
	    "Trying force recovery of the IDC lock.\n");
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 5426 5427 5428 5429 5430 5431 5432 5433 5434 5435 5436 5437 5438 5439 5440 5441 5442 5443 5444 5445

	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;
}

5446
static int
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 5478 5479 5480 5481 5482 5483 5484 5485
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;
5486
	uint32_t lock_owner;
5487 5488 5489 5490 5491 5492 5493 5494 5495 5496 5497
	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 {
5498 5499
			qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID,
			    &lock_owner);
5500
			ql_dbg(ql_dbg_p3p, base_vha, 0xb063,
5501 5502
			    "Failed to acquire IDC lock, acquired by %d, "
			    "retrying...\n", lock_owner);
5503 5504 5505 5506 5507 5508 5509 5510 5511 5512 5513 5514 5515 5516 5517 5518 5519 5520 5521 5522 5523 5524 5525 5526 5527 5528 5529 5530 5531 5532 5533 5534 5535 5536 5537

			/* 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)
{
5538 5539 5540 5541
#if 0
	uint16_t options = (requester_id << 15) | BIT_7;
#endif
	uint16_t retry;
5542 5543 5544 5545 5546 5547 5548 5549 5550 5551 5552 5553 5554 5555 5556 5557 5558 5559 5560 5561 5562
	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,
5563
			    "Failed to release IDC lock, retrying=%d\n", retry);
5564 5565 5566 5567 5568 5569 5570
			goto retry_unlock;
		}
	} else if (retry < 10) {
		/* Retry for IDC-unlock */
		qla83xx_wait_logic();
		retry++;
		ql_dbg(ql_dbg_p3p, base_vha, 0xb065,
5571
		    "Failed to read drv-lockid, retrying=%d\n", retry);
5572 5573 5574 5575 5576
		goto retry_unlock;
	}

	return;

5577
#if 0
5578 5579 5580 5581 5582 5583 5584 5585 5586
	/* 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,
5587
			    "Failed to release IDC lock, retrying=%d\n", retry);
5588 5589 5590 5591 5592
			goto retry_unlock2;
		}
	}

	return;
5593
#endif
5594 5595 5596 5597 5598 5599 5600 5601 5602 5603 5604 5605 5606 5607 5608 5609 5610 5611 5612 5613 5614 5615 5616 5617 5618 5619 5620 5621 5622 5623 5624 5625 5626 5627 5628 5629 5630 5631 5632 5633 5634 5635 5636 5637 5638 5639 5640 5641 5642 5643 5644 5645 5646 5647 5648 5649 5650 5651 5652 5653
}

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;
}

5654
static void
5655 5656 5657 5658 5659 5660 5661 5662 5663 5664 5665
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);
5666
		if ((drv_ack & drv_presence) == drv_presence)
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
			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");
}

5693
static int
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 5767 5768 5769 5770 5771 5772 5773 5774 5775 5776 5777 5778 5779 5780 5781 5782 5783 5784 5785 5786 5787 5788 5789 5790 5791 5792 5793 5794 5795 5796 5797 5798 5799 5800 5801 5802 5803 5804 5805 5806 5807 5808 5809 5810 5811 5812 5813 5814 5815 5816 5817 5818 5819 5820 5821 5822 5823 5824 5825 5826
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,
5827
			    "Unknown Device State: %x.\n", dev_state);
5828 5829 5830 5831 5832 5833 5834 5835 5836 5837 5838 5839
			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;
}

5840 5841 5842 5843 5844 5845 5846 5847
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);

5848 5849
	/*
	 * if UNLOAD flag is already set, then continue unload,
5850 5851 5852 5853 5854
	 * where it was set first.
	 */
	if (test_bit(UNLOADING, &base_vha->dpc_flags))
		return;

5855 5856 5857
	ql_log(ql_log_warn, base_vha, 0x015b,
	    "Disabling adapter.\n");

5858 5859 5860 5861 5862 5863 5864
	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;
	}

5865 5866
	qla2x00_wait_for_sess_deletion(base_vha);

5867 5868 5869 5870 5871 5872 5873 5874 5875 5876 5877 5878 5879 5880 5881 5882 5883 5884 5885 5886 5887 5888 5889 5890 5891 5892 5893 5894 5895 5896
	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);
5897
	qla2x00_free_irqs(base_vha);
5898 5899 5900 5901 5902 5903 5904 5905 5906 5907
	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);

5908 5909 5910
	/*
	 * Let qla2x00_remove_one cleanup qla_hw_data on device removal.
	 */
5911 5912
}

L
Linus Torvalds 已提交
5913 5914 5915 5916 5917 5918 5919 5920 5921 5922 5923 5924 5925 5926 5927 5928
/**************************************************************************
* 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)
{
5929 5930
	scsi_qla_host_t *base_vha;
	struct qla_hw_data *ha;
5931 5932
	uint32_t online;
	struct qla_qpair *qpair;
L
Linus Torvalds 已提交
5933

5934 5935
	ha = (struct qla_hw_data *)data;
	base_vha = pci_get_drvdata(ha->pdev);
L
Linus Torvalds 已提交
5936

5937
	set_user_nice(current, MIN_NICE);
L
Linus Torvalds 已提交
5938

5939
	set_current_state(TASK_INTERRUPTIBLE);
5940
	while (!kthread_should_stop()) {
5941 5942
		ql_dbg(ql_dbg_dpc, base_vha, 0x4000,
		    "DPC handler sleeping.\n");
L
Linus Torvalds 已提交
5943

5944
		schedule();
L
Linus Torvalds 已提交
5945

5946 5947
		if (!base_vha->flags.init_done || ha->flags.mbox_busy)
			goto end_loop;
L
Linus Torvalds 已提交
5948

5949
		if (ha->flags.eeh_busy) {
5950 5951
			ql_dbg(ql_dbg_dpc, base_vha, 0x4003,
			    "eeh_busy=%d.\n", ha->flags.eeh_busy);
5952
			goto end_loop;
5953 5954
		}

L
Linus Torvalds 已提交
5955 5956
		ha->dpc_active = 1;

5957 5958 5959
		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
5960

5961 5962 5963
		if (test_bit(UNLOADING, &base_vha->dpc_flags))
			break;

5964 5965 5966 5967 5968 5969 5970 5971 5972 5973 5974 5975 5976 5977 5978 5979 5980 5981 5982 5983 5984 5985 5986 5987 5988 5989 5990
		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;
				}
5991 5992 5993 5994 5995
			}

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

5996 5997
				ql_dbg(ql_dbg_dpc, base_vha, 0x4005,
				    "FCoE context reset scheduled.\n");
5998 5999 6000 6001 6002 6003 6004 6005 6006 6007 6008 6009 6010
				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);
				}

6011 6012
				ql_dbg(ql_dbg_dpc, base_vha, 0x4006,
				    "FCoE context reset end.\n");
6013
			}
6014 6015 6016 6017 6018 6019 6020 6021
		} 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,
6022
					    &base_vha->dpc_flags)) {
6023 6024 6025 6026 6027
						set_bit(ISP_UNRECOVERABLE,
						    &base_vha->dpc_flags);
						ql_dbg(ql_dbg_dpc, base_vha,
						    0x4021,
						    "Reset Recovery Failed\n");
6028
					}
6029 6030 6031 6032 6033 6034 6035 6036 6037 6038 6039 6040 6041 6042 6043 6044 6045 6046
				}
			}

			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");
			}
6047 6048 6049 6050 6051 6052 6053 6054
			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);
			}
6055 6056
		}

6057 6058 6059 6060 6061 6062 6063 6064 6065 6066
		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);
		}

6067 6068 6069
		if (test_and_clear_bit
		    (ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
		    !test_bit(UNLOADING, &base_vha->dpc_flags)) {
6070 6071 6072 6073 6074 6075 6076 6077 6078 6079 6080 6081 6082 6083 6084 6085
			bool do_reset = true;

			switch (ql2x_ini_mode) {
			case QLA2XXX_INI_MODE_ENABLED:
				break;
			case QLA2XXX_INI_MODE_DISABLED:
				if (!qla_tgt_mode_enabled(base_vha))
					do_reset = false;
				break;
			case QLA2XXX_INI_MODE_DUAL:
				if (!qla_dual_mode_enabled(base_vha))
					do_reset = false;
				break;
			default:
				break;
			}
L
Linus Torvalds 已提交
6086

6087
			if (do_reset && !(test_and_set_bit(ABORT_ISP_ACTIVE,
6088
			    &base_vha->dpc_flags))) {
6089 6090
				ql_dbg(ql_dbg_dpc, base_vha, 0x4007,
				    "ISP abort scheduled.\n");
6091
				if (ha->isp_ops->abort_isp(base_vha)) {
L
Linus Torvalds 已提交
6092 6093
					/* failed. retry later */
					set_bit(ISP_ABORT_NEEDED,
6094
					    &base_vha->dpc_flags);
6095
				}
6096 6097
				clear_bit(ABORT_ISP_ACTIVE,
						&base_vha->dpc_flags);
6098 6099
				ql_dbg(ql_dbg_dpc, base_vha, 0x4008,
				    "ISP abort end.\n");
6100
			}
L
Linus Torvalds 已提交
6101 6102
		}

6103 6104
		if (test_and_clear_bit(FCPORT_UPDATE_NEEDED,
		    &base_vha->dpc_flags)) {
6105
			qla2x00_update_fcports(base_vha);
6106
		}
6107

6108 6109 6110
		if (IS_QLAFX00(ha))
			goto loop_resync_check;

6111
		if (test_bit(ISP_QUIESCE_NEEDED, &base_vha->dpc_flags)) {
6112 6113
			ql_dbg(ql_dbg_dpc, base_vha, 0x4009,
			    "Quiescence mode scheduled.\n");
6114 6115 6116 6117 6118
			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);
6119 6120 6121 6122
				clear_bit(ISP_QUIESCE_NEEDED,
				    &base_vha->dpc_flags);
				if (!ha->flags.quiesce_owner) {
					qla2x00_perform_loop_resync(base_vha);
6123 6124 6125 6126 6127 6128 6129 6130 6131 6132 6133
					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);
					}
6134 6135 6136 6137 6138
				}
			} else {
				clear_bit(ISP_QUIESCE_NEEDED,
				    &base_vha->dpc_flags);
				qla2x00_quiesce_io(base_vha);
6139
			}
6140 6141
			ql_dbg(ql_dbg_dpc, base_vha, 0x400a,
			    "Quiescence mode end.\n");
6142 6143
		}

6144
		if (test_and_clear_bit(RESET_MARKER_NEEDED,
6145
				&base_vha->dpc_flags) &&
6146
		    (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) {
L
Linus Torvalds 已提交
6147

6148 6149
			ql_dbg(ql_dbg_dpc, base_vha, 0x400b,
			    "Reset marker scheduled.\n");
6150 6151
			qla2x00_rst_aen(base_vha);
			clear_bit(RESET_ACTIVE, &base_vha->dpc_flags);
6152 6153
			ql_dbg(ql_dbg_dpc, base_vha, 0x400c,
			    "Reset marker end.\n");
L
Linus Torvalds 已提交
6154 6155 6156
		}

		/* Retry each device up to login retry count */
6157
		if (test_bit(RELOGIN_NEEDED, &base_vha->dpc_flags) &&
6158 6159
		    !test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags) &&
		    atomic_read(&base_vha->loop_state) != LOOP_DOWN) {
L
Linus Torvalds 已提交
6160

6161 6162 6163 6164 6165
			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);

6166
				ql_dbg(ql_dbg_disc, base_vha, 0x400d,
6167
				    "Relogin scheduled.\n");
6168
				qla24xx_post_relogin_work(base_vha);
6169
			}
L
Linus Torvalds 已提交
6170
		}
6171
loop_resync_check:
6172
		if (test_and_clear_bit(LOOP_RESYNC_NEEDED,
6173
		    &base_vha->dpc_flags)) {
L
Linus Torvalds 已提交
6174

6175 6176
			ql_dbg(ql_dbg_dpc, base_vha, 0x400f,
			    "Loop resync scheduled.\n");
L
Linus Torvalds 已提交
6177 6178

			if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
6179
			    &base_vha->dpc_flags))) {
L
Linus Torvalds 已提交
6180

6181
				qla2x00_loop_resync(base_vha);
L
Linus Torvalds 已提交
6182

6183 6184
				clear_bit(LOOP_RESYNC_ACTIVE,
						&base_vha->dpc_flags);
L
Linus Torvalds 已提交
6185 6186
			}

6187 6188
			ql_dbg(ql_dbg_dpc, base_vha, 0x4010,
			    "Loop resync end.\n");
L
Linus Torvalds 已提交
6189 6190
		}

6191 6192 6193
		if (IS_QLAFX00(ha))
			goto intr_on_check;

6194 6195 6196 6197
		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);
6198 6199
		}

6200
intr_on_check:
L
Linus Torvalds 已提交
6201
		if (!ha->interrupts_on)
6202
			ha->isp_ops->enable_intrs(ha);
L
Linus Torvalds 已提交
6203

6204
		if (test_and_clear_bit(BEACON_BLINK_NEEDED,
6205 6206 6207 6208
					&base_vha->dpc_flags)) {
			if (ha->beacon_blink_led == 1)
				ha->isp_ops->beacon_blink(base_vha);
		}
6209

6210 6211 6212 6213 6214 6215 6216 6217 6218 6219 6220 6221 6222 6223 6224 6225
		/* 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);
		}

6226 6227 6228 6229 6230 6231 6232 6233 6234 6235 6236
		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);
			}
		}

6237 6238
		if (!IS_QLAFX00(ha))
			qla2x00_do_dpc_all_vps(base_vha);
6239

6240 6241 6242 6243 6244
		if (test_and_clear_bit(N2N_LINK_RESET,
			&base_vha->dpc_flags)) {
			qla2x00_lip_reset(base_vha);
		}

L
Linus Torvalds 已提交
6245
		ha->dpc_active = 0;
6246
end_loop:
6247
		set_current_state(TASK_INTERRUPTIBLE);
L
Linus Torvalds 已提交
6248
	} /* End of while(1) */
6249
	__set_current_state(TASK_RUNNING);
L
Linus Torvalds 已提交
6250

6251 6252
	ql_dbg(ql_dbg_dpc, base_vha, 0x4011,
	    "DPC handler exiting.\n");
L
Linus Torvalds 已提交
6253 6254 6255 6256 6257 6258

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

6259 6260 6261
	/* Cleanup any residual CTX SRBs. */
	qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);

6262 6263 6264 6265
	return 0;
}

void
6266
qla2xxx_wake_dpc(struct scsi_qla_host *vha)
6267
{
6268
	struct qla_hw_data *ha = vha->hw;
6269 6270
	struct task_struct *t = ha->dpc_thread;

6271
	if (!test_bit(UNLOADING, &vha->dpc_flags) && t)
6272
		wake_up_process(t);
L
Linus Torvalds 已提交
6273 6274 6275 6276 6277 6278 6279 6280 6281 6282
}

/*
*  qla2x00_rst_aen
*      Processes asynchronous reset.
*
* Input:
*      ha  = adapter block pointer.
*/
static void
6283
qla2x00_rst_aen(scsi_qla_host_t *vha)
L
Linus Torvalds 已提交
6284
{
6285 6286 6287
	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
6288
		do {
6289
			clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
L
Linus Torvalds 已提交
6290 6291 6292 6293 6294

			/*
			 * Issue marker command only when we are going to start
			 * the I/O.
			 */
6295 6296 6297
			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
6298 6299 6300 6301 6302 6303 6304 6305 6306 6307 6308
	}
}

/**************************************************************************
*   qla2x00_timer
*
* Description:
*   One second timer
*
* Context: Interrupt
***************************************************************************/
6309
void
6310
qla2x00_timer(struct timer_list *t)
L
Linus Torvalds 已提交
6311
{
6312
	scsi_qla_host_t *vha = from_timer(vha, t, timer);
L
Linus Torvalds 已提交
6313 6314 6315 6316
	unsigned long	cpu_flags = 0;
	int		start_dpc = 0;
	int		index;
	srb_t		*sp;
6317
	uint16_t        w;
6318
	struct qla_hw_data *ha = vha->hw;
6319
	struct req_que *req;
6320

6321
	if (ha->flags.eeh_busy) {
6322 6323 6324
		ql_dbg(ql_dbg_timer, vha, 0x6000,
		    "EEH = %d, restarting timer.\n",
		    ha->flags.eeh_busy);
6325 6326 6327 6328
		qla2x00_restart_timer(vha, WATCH_INTERVAL);
		return;
	}

6329 6330 6331 6332 6333
	/*
	 * 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)) {
6334
		pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w);
6335
		qla2x00_check_reg16_for_disconnect(vha, w);
6336
	}
L
Linus Torvalds 已提交
6337

6338
	/* Make sure qla82xx_watchdog is run only for physical port */
6339
	if (!vha->vp_idx && IS_P3P_TYPE(ha)) {
6340 6341
		if (test_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags))
			start_dpc++;
6342 6343 6344 6345
		if (IS_QLA82XX(ha))
			qla82xx_watchdog(vha);
		else if (IS_QLA8044(ha))
			qla8044_watchdog(vha);
6346 6347
	}

6348 6349 6350
	if (!vha->vp_idx && IS_QLAFX00(ha))
		qlafx00_timer_routine(vha);

L
Linus Torvalds 已提交
6351
	/* Loop down handler. */
6352
	if (atomic_read(&vha->loop_down_timer) > 0 &&
6353 6354
	    !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) &&
	    !(test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags))
6355
		&& vha->flags.online) {
L
Linus Torvalds 已提交
6356

6357 6358
		if (atomic_read(&vha->loop_down_timer) ==
		    vha->loop_down_abort_time) {
L
Linus Torvalds 已提交
6359

6360 6361
			ql_log(ql_log_info, vha, 0x6008,
			    "Loop down - aborting the queues before time expires.\n");
L
Linus Torvalds 已提交
6362

6363 6364
			if (!IS_QLA2100(ha) && vha->link_down_timeout)
				atomic_set(&vha->loop_state, LOOP_DEAD);
L
Linus Torvalds 已提交
6365

6366 6367 6368 6369
			/*
			 * Schedule an ISP abort to return any FCP2-device
			 * commands.
			 */
6370
			/* NPIV - scan physical port only */
6371
			if (!vha->vp_idx) {
6372 6373
				spin_lock_irqsave(&ha->hardware_lock,
				    cpu_flags);
6374
				req = ha->req_q_map[0];
6375
				for (index = 1;
6376
				    index < req->num_outstanding_cmds;
6377 6378 6379
				    index++) {
					fc_port_t *sfcp;

6380
					sp = req->outstanding_cmds[index];
6381 6382
					if (!sp)
						continue;
6383 6384
					if (sp->cmd_type != TYPE_SRB)
						continue;
6385
					if (sp->type != SRB_SCSI_CMD)
6386
						continue;
6387
					sfcp = sp->fcport;
6388
					if (!(sfcp->flags & FCF_FCP2_DEVICE))
6389
						continue;
6390

6391 6392 6393 6394 6395
					if (IS_QLA82XX(ha))
						set_bit(FCOE_CTX_RESET_NEEDED,
							&vha->dpc_flags);
					else
						set_bit(ISP_ABORT_NEEDED,
6396
							&vha->dpc_flags);
6397 6398 6399
					break;
				}
				spin_unlock_irqrestore(&ha->hardware_lock,
6400
								cpu_flags);
L
Linus Torvalds 已提交
6401 6402 6403 6404 6405
			}
			start_dpc++;
		}

		/* if the loop has been down for 4 minutes, reinit adapter */
6406
		if (atomic_dec_and_test(&vha->loop_down_timer) != 0) {
6407
			if (!(vha->device_flags & DFLG_NO_CABLE)) {
6408
				ql_log(ql_log_warn, vha, 0x6009,
L
Linus Torvalds 已提交
6409 6410
				    "Loop down - aborting ISP.\n");

6411 6412 6413 6414 6415 6416
				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
6417 6418
			}
		}
6419 6420 6421
		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
6422
	}
6423 6424
	/* Check if beacon LED needs to be blinked for physical host only */
	if (!vha->vp_idx && (ha->beacon_blink_led == 1)) {
6425
		/* There is no beacon_blink function for ISP82xx */
6426
		if (!IS_P3P_TYPE(ha)) {
6427 6428 6429
			set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags);
			start_dpc++;
		}
6430 6431
	}

6432
	/* Process any deferred work. */
6433 6434 6435 6436 6437 6438 6439 6440 6441 6442 6443
	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);
	}
6444

6445 6446 6447 6448
	/*
	 * FC-NVME
	 * see if the active AEN count has changed from what was last reported.
	 */
6449 6450 6451
	if (!vha->vp_idx &&
		atomic_read(&ha->nvme_active_aen_cnt) != ha->nvme_last_rptd_aen &&
		ha->zio_mode == QLA_ZIO_MODE_6) {
6452
		ql_log(ql_log_info, vha, 0x3002,
6453 6454 6455 6456 6457
			"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++;
6458 6459
	}

L
Linus Torvalds 已提交
6460
	/* Schedule the DPC routine if needed */
6461 6462 6463
	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
6464
	    start_dpc ||
6465 6466
	    test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) ||
	    test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) ||
6467 6468
	    test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags) ||
	    test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) ||
6469
	    test_bit(VP_DPC_NEEDED, &vha->dpc_flags) ||
6470
	    test_bit(RELOGIN_NEEDED, &vha->dpc_flags))) {
6471 6472 6473 6474 6475 6476 6477 6478 6479 6480 6481 6482
		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 "
6483
		    "relogin_needed=%d.\n",
6484 6485 6486 6487
		    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),
6488
		    test_bit(RELOGIN_NEEDED, &vha->dpc_flags));
6489
		qla2xxx_wake_dpc(vha);
6490
	}
L
Linus Torvalds 已提交
6491

6492
	qla2x00_restart_timer(vha, WATCH_INTERVAL);
L
Linus Torvalds 已提交
6493 6494
}

6495 6496
/* Firmware interface routines. */

6497
#define FW_BLOBS	11
6498 6499 6500 6501
#define FW_ISP21XX	0
#define FW_ISP22XX	1
#define FW_ISP2300	2
#define FW_ISP2322	3
6502
#define FW_ISP24XX	4
6503
#define FW_ISP25XX	5
6504
#define FW_ISP81XX	6
6505
#define FW_ISP82XX	7
6506 6507
#define FW_ISP2031	8
#define FW_ISP8031	9
6508
#define FW_ISP27XX	10
6509

6510 6511 6512 6513 6514
#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"
6515
#define FW_FILE_ISP25XX	"ql2500_fw.bin"
6516
#define FW_FILE_ISP81XX	"ql8100_fw.bin"
6517
#define FW_FILE_ISP82XX	"ql8200_fw.bin"
6518 6519
#define FW_FILE_ISP2031	"ql2600_fw.bin"
#define FW_FILE_ISP8031	"ql8300_fw.bin"
6520
#define FW_FILE_ISP27XX	"ql2700_fw.bin"
6521

6522

6523
static DEFINE_MUTEX(qla_fw_lock);
6524 6525

static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
6526 6527 6528 6529 6530
	{ .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, },
6531
	{ .name = FW_FILE_ISP25XX, },
6532
	{ .name = FW_FILE_ISP81XX, },
6533
	{ .name = FW_FILE_ISP82XX, },
6534 6535
	{ .name = FW_FILE_ISP2031, },
	{ .name = FW_FILE_ISP8031, },
6536
	{ .name = FW_FILE_ISP27XX, },
6537 6538 6539
};

struct fw_blob *
6540
qla2x00_request_firmware(scsi_qla_host_t *vha)
6541
{
6542
	struct qla_hw_data *ha = vha->hw;
6543 6544 6545 6546 6547 6548
	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];
6549
	} else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
6550
		blob = &qla_fw_blobs[FW_ISP2300];
6551
	} else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
6552
		blob = &qla_fw_blobs[FW_ISP2322];
6553
	} else if (IS_QLA24XX_TYPE(ha)) {
6554
		blob = &qla_fw_blobs[FW_ISP24XX];
6555 6556
	} else if (IS_QLA25XX(ha)) {
		blob = &qla_fw_blobs[FW_ISP25XX];
6557 6558
	} else if (IS_QLA81XX(ha)) {
		blob = &qla_fw_blobs[FW_ISP81XX];
6559 6560
	} else if (IS_QLA82XX(ha)) {
		blob = &qla_fw_blobs[FW_ISP82XX];
6561 6562 6563 6564
	} else if (IS_QLA2031(ha)) {
		blob = &qla_fw_blobs[FW_ISP2031];
	} else if (IS_QLA8031(ha)) {
		blob = &qla_fw_blobs[FW_ISP8031];
6565 6566
	} else if (IS_QLA27XX(ha)) {
		blob = &qla_fw_blobs[FW_ISP27XX];
6567 6568
	} else {
		return NULL;
6569 6570
	}

6571
	mutex_lock(&qla_fw_lock);
6572 6573 6574 6575
	if (blob->fw)
		goto out;

	if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
6576 6577
		ql_log(ql_log_warn, vha, 0x0063,
		    "Failed to load firmware image (%s).\n", blob->name);
6578 6579 6580 6581 6582 6583
		blob->fw = NULL;
		blob = NULL;
		goto out;
	}

out:
6584
	mutex_unlock(&qla_fw_lock);
6585 6586 6587 6588 6589 6590 6591 6592
	return blob;
}

static void
qla2x00_release_firmware(void)
{
	int idx;

6593
	mutex_lock(&qla_fw_lock);
6594
	for (idx = 0; idx < FW_BLOBS; idx++)
6595
		release_firmware(qla_fw_blobs[idx].fw);
6596
	mutex_unlock(&qla_fw_lock);
6597 6598
}

6599 6600 6601
static pci_ers_result_t
qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
{
6602 6603 6604
	scsi_qla_host_t *vha = pci_get_drvdata(pdev);
	struct qla_hw_data *ha = vha->hw;

6605 6606
	ql_dbg(ql_dbg_aer, vha, 0x9000,
	    "PCI error detected, state %x.\n", state);
6607

6608 6609 6610 6611 6612 6613
	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;
	}

6614 6615
	switch (state) {
	case pci_channel_io_normal:
6616
		ha->flags.eeh_busy = 0;
6617
		if (ql2xmqsupport || ql2xnvmeenable) {
6618 6619 6620
			set_bit(QPAIR_ONLINE_CHECK_NEEDED, &vha->dpc_flags);
			qla2xxx_wake_dpc(vha);
		}
6621 6622
		return PCI_ERS_RESULT_CAN_RECOVER;
	case pci_channel_io_frozen:
6623
		ha->flags.eeh_busy = 1;
6624 6625
		/* For ISP82XX complete any pending mailbox cmd */
		if (IS_QLA82XX(ha)) {
6626
			ha->flags.isp82xx_fw_hung = 1;
6627 6628
			ql_dbg(ql_dbg_aer, vha, 0x9001, "Pci channel io frozen\n");
			qla82xx_clear_pending_mbx(vha);
6629
		}
6630
		qla2x00_free_irqs(vha);
6631
		pci_disable_device(pdev);
6632 6633
		/* Return back all IOs */
		qla2x00_abort_all_cmds(vha, DID_RESET << 16);
6634
		if (ql2xmqsupport || ql2xnvmeenable) {
6635 6636 6637
			set_bit(QPAIR_ONLINE_CHECK_NEEDED, &vha->dpc_flags);
			qla2xxx_wake_dpc(vha);
		}
6638 6639
		return PCI_ERS_RESULT_NEED_RESET;
	case pci_channel_io_perm_failure:
6640 6641
		ha->flags.pci_channel_io_perm_failure = 1;
		qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
6642
		if (ql2xmqsupport || ql2xnvmeenable) {
6643 6644 6645
			set_bit(QPAIR_ONLINE_CHECK_NEEDED, &vha->dpc_flags);
			qla2xxx_wake_dpc(vha);
		}
6646 6647 6648 6649 6650 6651 6652 6653 6654 6655 6656
		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;
6657 6658
	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
	struct qla_hw_data *ha = base_vha->hw;
6659 6660 6661
	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
	struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;

6662 6663 6664
	if (IS_QLA82XX(ha))
		return PCI_ERS_RESULT_RECOVERED;

6665 6666 6667 6668 6669 6670 6671 6672 6673 6674 6675 6676 6677 6678 6679 6680 6681
	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) {
6682 6683
		ql_log(ql_log_info, base_vha, 0x9003,
		    "RISC paused -- mmio_enabled, Dumping firmware.\n");
6684
		ha->isp_ops->fw_dump(base_vha, 0);
6685 6686 6687 6688 6689 6690

		return PCI_ERS_RESULT_NEED_RESET;
	} else
		return PCI_ERS_RESULT_RECOVERED;
}

6691 6692
static uint32_t
qla82xx_error_recovery(scsi_qla_host_t *base_vha)
6693 6694 6695 6696 6697 6698 6699
{
	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;

6700 6701
	ql_dbg(ql_dbg_aer, base_vha, 0x9006,
	    "Entered %s.\n", __func__);
6702 6703 6704 6705 6706 6707 6708 6709 6710 6711 6712 6713 6714

	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--;
6715 6716
		ql_dbg(ql_dbg_aer, base_vha, 0x9007,
		    "Finding pci device at function = 0x%x.\n", fn);
6717 6718 6719 6720 6721 6722 6723 6724
		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)) {
6725 6726 6727
			ql_dbg(ql_dbg_aer, base_vha, 0x9008,
			    "Found PCI func available and enable at 0x%x.\n",
			    fn);
6728 6729 6730 6731 6732 6733 6734 6735
			pci_dev_put(other_pdev);
			break;
		}
		pci_dev_put(other_pdev);
	}

	if (!fn) {
		/* Reset owner */
6736 6737 6738
		ql_dbg(ql_dbg_aer, base_vha, 0x9009,
		    "This devfn is reset owner = 0x%x.\n",
		    ha->pdev->devfn);
6739 6740 6741
		qla82xx_idc_lock(ha);

		qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
6742
		    QLA8XXX_DEV_INITIALIZING);
6743 6744 6745 6746 6747

		qla82xx_wr_32(ha, QLA82XX_CRB_DRV_IDC_VERSION,
		    QLA82XX_IDC_VERSION);

		drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
6748 6749
		ql_dbg(ql_dbg_aer, base_vha, 0x900a,
		    "drv_active = 0x%x.\n", drv_active);
6750 6751 6752 6753 6754 6755 6756 6757 6758 6759 6760 6761

		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) {
6762 6763
			ql_log(ql_log_info, base_vha, 0x900b,
			    "HW State: FAILED.\n");
6764 6765
			qla82xx_clear_drv_active(ha);
			qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
6766
			    QLA8XXX_DEV_FAILED);
6767
		} else {
6768 6769
			ql_log(ql_log_info, base_vha, 0x900c,
			    "HW State: READY.\n");
6770
			qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
6771
			    QLA8XXX_DEV_READY);
6772
			qla82xx_idc_unlock(ha);
6773
			ha->flags.isp82xx_fw_hung = 0;
6774 6775 6776 6777 6778 6779 6780 6781
			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 {
6782 6783 6784
		ql_dbg(ql_dbg_aer, base_vha, 0x900d,
		    "This devfn is not reset owner = 0x%x.\n",
		    ha->pdev->devfn);
6785
		if ((qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE) ==
6786
		    QLA8XXX_DEV_READY)) {
6787
			ha->flags.isp82xx_fw_hung = 0;
6788 6789 6790 6791 6792 6793 6794 6795 6796 6797 6798
			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;
}

6799 6800 6801 6802
static pci_ers_result_t
qla2xxx_pci_slot_reset(struct pci_dev *pdev)
{
	pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
6803 6804
	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
	struct qla_hw_data *ha = base_vha->hw;
6805 6806
	struct rsp_que *rsp;
	int rc, retries = 10;
6807

6808 6809
	ql_dbg(ql_dbg_aer, base_vha, 0x9004,
	    "Slot Reset.\n");
6810

6811 6812 6813 6814 6815 6816 6817 6818
	/* 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);

6819 6820 6821 6822 6823
	/* pci_restore_state() clears the saved_state flag of the device
	 * save restored state which resets saved_state flag
	 */
	pci_save_state(pdev);

6824 6825 6826 6827
	if (ha->mem_only)
		rc = pci_enable_device_mem(pdev);
	else
		rc = pci_enable_device(pdev);
6828

6829
	if (rc) {
6830
		ql_log(ql_log_warn, base_vha, 0x9005,
6831
		    "Can't re-enable PCI device after reset.\n");
6832
		goto exit_slot_reset;
6833 6834
	}

6835 6836
	rsp = ha->rsp_q_map[0];
	if (qla2x00_request_irqs(ha, rsp))
6837
		goto exit_slot_reset;
6838

6839
	if (ha->isp_ops->pci_config(base_vha))
6840 6841 6842 6843 6844 6845 6846 6847 6848
		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;
	}
6849

6850 6851
	while (ha->flags.mbox_busy && retries--)
		msleep(1000);
6852

6853
	set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
6854
	if (ha->isp_ops->abort_isp(base_vha) == QLA_SUCCESS)
6855
		ret =  PCI_ERS_RESULT_RECOVERED;
6856
	clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
6857

6858

6859
exit_slot_reset:
6860 6861
	ql_dbg(ql_dbg_aer, base_vha, 0x900e,
	    "slot_reset return %x.\n", ret);
6862

6863 6864 6865 6866 6867 6868
	return ret;
}

static void
qla2xxx_pci_resume(struct pci_dev *pdev)
{
6869 6870
	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
	struct qla_hw_data *ha = base_vha->hw;
6871 6872
	int ret;

6873 6874
	ql_dbg(ql_dbg_aer, base_vha, 0x900f,
	    "pci_resume.\n");
6875

6876
	ret = qla2x00_wait_for_hba_online(base_vha);
6877
	if (ret != QLA_SUCCESS) {
6878 6879
		ql_log(ql_log_fatal, base_vha, 0x9002,
		    "The device failed to resume I/O from slot/link_reset.\n");
6880
	}
6881

6882 6883
	pci_cleanup_aer_uncorrect_error_status(pdev);

6884
	ha->flags.eeh_busy = 0;
6885 6886
}

6887 6888
static int qla2xxx_map_queues(struct Scsi_Host *shost)
{
6889
	int rc;
6890 6891
	scsi_qla_host_t *vha = (scsi_qla_host_t *)shost->hostdata;

6892 6893 6894
	if (USER_CTRL_IRQ(vha->hw))
		rc = blk_mq_map_queues(&shost->tag_set);
	else
6895
		rc = blk_mq_pci_map_queues(&shost->tag_set, vha->hw->pdev, 0);
6896
	return rc;
6897 6898
}

6899
static const struct pci_error_handlers qla2xxx_err_handler = {
6900 6901 6902 6903 6904 6905
	.error_detected = qla2xxx_pci_error_detected,
	.mmio_enabled = qla2xxx_pci_mmio_enabled,
	.slot_reset = qla2xxx_pci_slot_reset,
	.resume = qla2xxx_pci_resume,
};

6906
static struct pci_device_id qla2xxx_pci_tbl[] = {
6907 6908 6909 6910 6911 6912 6913 6914 6915
	{ 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) },
6916
	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
6917 6918
	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
6919
	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
6920
	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2031) },
6921
	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) },
6922
	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8021) },
6923
	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8031) },
6924
	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISPF001) },
6925
	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8044) },
6926
	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2071) },
6927
	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2271) },
6928
	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2261) },
6929 6930 6931 6932
	{ 0 },
};
MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);

6933
static struct pci_driver qla2xxx_pci_driver = {
6934
	.name		= QLA2XXX_DRIVER_NAME,
6935 6936 6937
	.driver		= {
		.owner		= THIS_MODULE,
	},
6938
	.id_table	= qla2xxx_pci_tbl,
6939
	.probe		= qla2x00_probe_one,
A
Adrian Bunk 已提交
6940
	.remove		= qla2x00_remove_one,
6941
	.shutdown	= qla2x00_shutdown,
6942
	.err_handler	= &qla2xxx_err_handler,
6943 6944
};

6945
static const struct file_operations apidev_fops = {
6946
	.owner = THIS_MODULE,
6947
	.llseek = noop_llseek,
6948 6949
};

L
Linus Torvalds 已提交
6950 6951 6952 6953 6954 6955
/**
 * qla2x00_module_init - Module initialization.
 **/
static int __init
qla2x00_module_init(void)
{
6956 6957
	int ret = 0;

L
Linus Torvalds 已提交
6958
	/* Allocate cache for SRBs. */
6959
	srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
6960
	    SLAB_HWCACHE_ALIGN, NULL);
L
Linus Torvalds 已提交
6961
	if (srb_cachep == NULL) {
6962 6963
		ql_log(ql_log_fatal, NULL, 0x0001,
		    "Unable to allocate SRB cache...Failing load!.\n");
L
Linus Torvalds 已提交
6964 6965 6966
		return -ENOMEM;
	}

6967 6968 6969 6970 6971 6972 6973 6974 6975 6976 6977 6978 6979 6980 6981
	/* 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
6982 6983
	/* Derive version string. */
	strcpy(qla2x00_version_str, QLA2XXX_VERSION);
6984
	if (ql2xextended_error_logging)
6985
		strcat(qla2x00_version_str, "-debug");
6986 6987
	if (ql2xextended_error_logging == 1)
		ql2xextended_error_logging = QL_DBG_DEFAULT1_MASK;
6988

6989 6990
	qla2xxx_transport_template =
	    fc_attach_transport(&qla2xxx_transport_functions);
6991 6992
	if (!qla2xxx_transport_template) {
		kmem_cache_destroy(srb_cachep);
6993 6994
		ql_log(ql_log_fatal, NULL, 0x0002,
		    "fc_attach_transport failed...Failing load!.\n");
6995
		qlt_exit();
L
Linus Torvalds 已提交
6996
		return -ENODEV;
6997
	}
6998 6999 7000

	apidev_major = register_chrdev(0, QLA2XXX_APIDEV, &apidev_fops);
	if (apidev_major < 0) {
7001 7002
		ql_log(ql_log_fatal, NULL, 0x0003,
		    "Unable to register char device %s.\n", QLA2XXX_APIDEV);
7003 7004
	}

7005 7006 7007 7008
	qla2xxx_transport_vport_template =
	    fc_attach_transport(&qla2xxx_transport_vport_functions);
	if (!qla2xxx_transport_vport_template) {
		kmem_cache_destroy(srb_cachep);
7009
		qlt_exit();
7010
		fc_release_transport(qla2xxx_transport_template);
7011 7012
		ql_log(ql_log_fatal, NULL, 0x0004,
		    "fc_attach_transport vport failed...Failing load!.\n");
L
Linus Torvalds 已提交
7013
		return -ENODEV;
7014
	}
7015 7016
	ql_log(ql_log_info, NULL, 0x0005,
	    "QLogic Fibre Channel HBA Driver: %s.\n",
7017
	    qla2x00_version_str);
7018
	ret = pci_register_driver(&qla2xxx_pci_driver);
7019 7020
	if (ret) {
		kmem_cache_destroy(srb_cachep);
7021
		qlt_exit();
7022
		fc_release_transport(qla2xxx_transport_template);
7023
		fc_release_transport(qla2xxx_transport_vport_template);
7024 7025 7026
		ql_log(ql_log_fatal, NULL, 0x0006,
		    "pci_register_driver failed...ret=%d Failing load!.\n",
		    ret);
7027 7028
	}
	return ret;
L
Linus Torvalds 已提交
7029 7030 7031 7032 7033 7034 7035 7036
}

/**
 * qla2x00_module_exit - Module cleanup.
 **/
static void __exit
qla2x00_module_exit(void)
{
7037
	unregister_chrdev(apidev_major, QLA2XXX_APIDEV);
7038
	pci_unregister_driver(&qla2xxx_pci_driver);
7039
	qla2x00_release_firmware();
7040
	kmem_cache_destroy(srb_cachep);
7041
	qlt_exit();
7042 7043
	if (ctx_cachep)
		kmem_cache_destroy(ctx_cachep);
L
Linus Torvalds 已提交
7044
	fc_release_transport(qla2xxx_transport_template);
7045
	fc_release_transport(qla2xxx_transport_vport_template);
L
Linus Torvalds 已提交
7046 7047 7048 7049 7050 7051 7052 7053 7054
}

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);
7055 7056 7057 7058 7059
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);
7060
MODULE_FIRMWARE(FW_FILE_ISP25XX);