28f22b031f
The label eh_dev_reset_done is still in use Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2581 lines
63 KiB
C
2581 lines
63 KiB
C
/*
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* QLogic Fibre Channel HBA Driver
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* Copyright (c) 2003-2005 QLogic Corporation
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*
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* See LICENSE.qla2xxx for copyright and licensing details.
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*/
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#include "qla_def.h"
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#include <linux/moduleparam.h>
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#include <linux/vmalloc.h>
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#include <linux/smp_lock.h>
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#include <linux/delay.h>
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#include <scsi/scsi_tcq.h>
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#include <scsi/scsicam.h>
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#include <scsi/scsi_transport.h>
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#include <scsi/scsi_transport_fc.h>
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/*
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* Driver version
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*/
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char qla2x00_version_str[40];
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/*
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* SRB allocation cache
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*/
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static kmem_cache_t *srb_cachep;
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/*
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* Ioctl related information.
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*/
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static int num_hosts;
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int ql2xlogintimeout = 20;
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module_param(ql2xlogintimeout, int, S_IRUGO|S_IRUSR);
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MODULE_PARM_DESC(ql2xlogintimeout,
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"Login timeout value in seconds.");
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int qlport_down_retry = 30;
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module_param(qlport_down_retry, int, S_IRUGO|S_IRUSR);
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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.");
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int ql2xplogiabsentdevice;
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module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR);
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MODULE_PARM_DESC(ql2xplogiabsentdevice,
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"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.");
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int ql2xloginretrycount = 0;
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module_param(ql2xloginretrycount, int, S_IRUGO|S_IRUSR);
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MODULE_PARM_DESC(ql2xloginretrycount,
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"Specify an alternate value for the NVRAM login retry count.");
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int ql2xfwloadbin=1;
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module_param(ql2xfwloadbin, int, S_IRUGO|S_IRUSR);
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MODULE_PARM_DESC(ql2xfwloadbin,
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"Load ISP2xxx firmware image via hotplug.");
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static void qla2x00_free_device(scsi_qla_host_t *);
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static void qla2x00_config_dma_addressing(scsi_qla_host_t *ha);
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int ql2xfdmienable;
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module_param(ql2xfdmienable, int, S_IRUGO|S_IRUSR);
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MODULE_PARM_DESC(ql2xfdmienable,
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"Enables FDMI registratons "
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"Default is 0 - no FDMI. 1 - perfom FDMI.");
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/*
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* SCSI host template entry points
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*/
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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 void qla2xxx_slave_destroy(struct scsi_device *);
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static int qla2x00_queuecommand(struct scsi_cmnd *cmd,
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void (*fn)(struct scsi_cmnd *));
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static int qla24xx_queuecommand(struct scsi_cmnd *cmd,
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void (*fn)(struct scsi_cmnd *));
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static int qla2xxx_eh_abort(struct scsi_cmnd *);
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static int qla2xxx_eh_device_reset(struct scsi_cmnd *);
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static int qla2xxx_eh_bus_reset(struct scsi_cmnd *);
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static int qla2xxx_eh_host_reset(struct scsi_cmnd *);
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static int qla2x00_loop_reset(scsi_qla_host_t *ha);
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static int qla2x00_device_reset(scsi_qla_host_t *, fc_port_t *);
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static int qla2x00_change_queue_depth(struct scsi_device *, int);
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static int qla2x00_change_queue_type(struct scsi_device *, int);
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static struct scsi_host_template qla2x00_driver_template = {
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.module = THIS_MODULE,
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.name = "qla2xxx",
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.queuecommand = qla2x00_queuecommand,
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.eh_abort_handler = qla2xxx_eh_abort,
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.eh_device_reset_handler = qla2xxx_eh_device_reset,
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.eh_bus_reset_handler = qla2xxx_eh_bus_reset,
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.eh_host_reset_handler = qla2xxx_eh_host_reset,
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.slave_configure = qla2xxx_slave_configure,
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.slave_alloc = qla2xxx_slave_alloc,
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.slave_destroy = qla2xxx_slave_destroy,
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.change_queue_depth = qla2x00_change_queue_depth,
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.change_queue_type = qla2x00_change_queue_type,
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.this_id = -1,
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.cmd_per_lun = 3,
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.use_clustering = ENABLE_CLUSTERING,
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.sg_tablesize = SG_ALL,
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/*
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* The RISC allows for each command to transfer (2^32-1) bytes of data,
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* which equates to 0x800000 sectors.
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*/
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.max_sectors = 0xFFFF,
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.shost_attrs = qla2x00_host_attrs,
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};
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static struct scsi_host_template qla24xx_driver_template = {
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.module = THIS_MODULE,
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.name = "qla2xxx",
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.queuecommand = qla24xx_queuecommand,
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.eh_abort_handler = qla2xxx_eh_abort,
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.eh_device_reset_handler = qla2xxx_eh_device_reset,
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.eh_bus_reset_handler = qla2xxx_eh_bus_reset,
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.eh_host_reset_handler = qla2xxx_eh_host_reset,
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.slave_configure = qla2xxx_slave_configure,
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.slave_alloc = qla2xxx_slave_alloc,
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.slave_destroy = qla2xxx_slave_destroy,
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.change_queue_depth = qla2x00_change_queue_depth,
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.change_queue_type = qla2x00_change_queue_type,
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.this_id = -1,
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.cmd_per_lun = 3,
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.use_clustering = ENABLE_CLUSTERING,
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.sg_tablesize = SG_ALL,
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.max_sectors = 0xFFFF,
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.shost_attrs = qla2x00_host_attrs,
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};
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static struct scsi_transport_template *qla2xxx_transport_template = NULL;
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/* TODO Convert to inlines
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*
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* Timer routines
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*/
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#define WATCH_INTERVAL 1 /* number of seconds */
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static void qla2x00_timer(scsi_qla_host_t *);
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static __inline__ void qla2x00_start_timer(scsi_qla_host_t *,
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void *, unsigned long);
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static __inline__ void qla2x00_restart_timer(scsi_qla_host_t *, unsigned long);
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static __inline__ void qla2x00_stop_timer(scsi_qla_host_t *);
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static inline void
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qla2x00_start_timer(scsi_qla_host_t *ha, void *func, unsigned long interval)
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{
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init_timer(&ha->timer);
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ha->timer.expires = jiffies + interval * HZ;
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ha->timer.data = (unsigned long)ha;
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ha->timer.function = (void (*)(unsigned long))func;
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add_timer(&ha->timer);
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ha->timer_active = 1;
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}
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static inline void
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qla2x00_restart_timer(scsi_qla_host_t *ha, unsigned long interval)
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{
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mod_timer(&ha->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 *ha)
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{
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del_timer_sync(&ha->timer);
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ha->timer_active = 0;
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}
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static int qla2x00_do_dpc(void *data);
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static void qla2x00_rst_aen(scsi_qla_host_t *);
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static uint8_t qla2x00_mem_alloc(scsi_qla_host_t *);
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static void qla2x00_mem_free(scsi_qla_host_t *ha);
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static int qla2x00_allocate_sp_pool( scsi_qla_host_t *ha);
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static void qla2x00_free_sp_pool(scsi_qla_host_t *ha);
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static void qla2x00_sp_free_dma(scsi_qla_host_t *, srb_t *);
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void qla2x00_sp_compl(scsi_qla_host_t *ha, srb_t *);
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/* -------------------------------------------------------------------------- */
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static char *
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qla2x00_pci_info_str(struct scsi_qla_host *ha, char *str)
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{
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static char *pci_bus_modes[] = {
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"33", "66", "100", "133",
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};
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uint16_t pci_bus;
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strcpy(str, "PCI");
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pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
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if (pci_bus) {
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strcat(str, "-X (");
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strcat(str, pci_bus_modes[pci_bus]);
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} else {
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pci_bus = (ha->pci_attr & BIT_8) >> 8;
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strcat(str, " (");
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strcat(str, pci_bus_modes[pci_bus]);
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}
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strcat(str, " MHz)");
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return (str);
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}
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static char *
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qla24xx_pci_info_str(struct scsi_qla_host *ha, char *str)
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{
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static char *pci_bus_modes[] = { "33", "66", "100", "133", };
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uint32_t pci_bus;
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int pcie_reg;
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pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
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if (pcie_reg) {
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char lwstr[6];
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uint16_t pcie_lstat, lspeed, lwidth;
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pcie_reg += 0x12;
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pci_read_config_word(ha->pdev, pcie_reg, &pcie_lstat);
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lspeed = pcie_lstat & (BIT_0 | BIT_1 | BIT_2 | BIT_3);
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lwidth = (pcie_lstat &
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(BIT_4 | BIT_5 | BIT_6 | BIT_7 | BIT_8 | BIT_9)) >> 4;
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strcpy(str, "PCIe (");
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if (lspeed == 1)
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strcat(str, "2.5Gb/s ");
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else
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strcat(str, "<unknown> ");
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snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth);
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strcat(str, lwstr);
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return str;
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}
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strcpy(str, "PCI");
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pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
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if (pci_bus == 0 || pci_bus == 8) {
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strcat(str, " (");
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strcat(str, pci_bus_modes[pci_bus >> 3]);
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} else {
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strcat(str, "-X ");
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if (pci_bus & BIT_2)
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strcat(str, "Mode 2");
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else
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strcat(str, "Mode 1");
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strcat(str, " (");
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strcat(str, pci_bus_modes[pci_bus & ~BIT_2]);
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}
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strcat(str, " MHz)");
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return str;
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}
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char *
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qla2x00_fw_version_str(struct scsi_qla_host *ha, char *str)
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{
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char un_str[10];
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sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
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ha->fw_minor_version,
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ha->fw_subminor_version);
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if (ha->fw_attributes & BIT_9) {
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strcat(str, "FLX");
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return (str);
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}
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switch (ha->fw_attributes & 0xFF) {
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case 0x7:
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strcat(str, "EF");
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break;
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case 0x17:
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strcat(str, "TP");
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break;
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case 0x37:
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strcat(str, "IP");
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break;
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case 0x77:
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strcat(str, "VI");
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break;
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default:
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sprintf(un_str, "(%x)", ha->fw_attributes);
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strcat(str, un_str);
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break;
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}
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if (ha->fw_attributes & 0x100)
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strcat(str, "X");
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return (str);
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}
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char *
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qla24xx_fw_version_str(struct scsi_qla_host *ha, char *str)
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{
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sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
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ha->fw_minor_version,
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ha->fw_subminor_version);
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if (ha->fw_attributes & BIT_0)
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strcat(str, "[Class 2] ");
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if (ha->fw_attributes & BIT_1)
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strcat(str, "[IP] ");
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if (ha->fw_attributes & BIT_2)
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strcat(str, "[Multi-ID] ");
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if (ha->fw_attributes & BIT_13)
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strcat(str, "[Experimental]");
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return str;
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}
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static inline srb_t *
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qla2x00_get_new_sp(scsi_qla_host_t *ha, fc_port_t *fcport,
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struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
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{
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srb_t *sp;
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sp = mempool_alloc(ha->srb_mempool, GFP_ATOMIC);
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if (!sp)
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return sp;
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atomic_set(&sp->ref_count, 1);
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sp->ha = ha;
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sp->fcport = fcport;
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sp->cmd = cmd;
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sp->flags = 0;
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CMD_SP(cmd) = (void *)sp;
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cmd->scsi_done = done;
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return sp;
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}
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static int
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qla2x00_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
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{
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scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
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fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
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srb_t *sp;
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int rval;
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if (!fcport) {
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cmd->result = DID_NO_CONNECT << 16;
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goto qc_fail_command;
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}
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if (atomic_read(&fcport->state) != FCS_ONLINE) {
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if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
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atomic_read(&ha->loop_state) == LOOP_DEAD) {
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cmd->result = DID_NO_CONNECT << 16;
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goto qc_fail_command;
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}
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goto qc_host_busy;
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}
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spin_unlock_irq(ha->host->host_lock);
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sp = qla2x00_get_new_sp(ha, fcport, cmd, done);
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if (!sp)
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goto qc_host_busy_lock;
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rval = qla2x00_start_scsi(sp);
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if (rval != QLA_SUCCESS)
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goto qc_host_busy_free_sp;
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spin_lock_irq(ha->host->host_lock);
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return 0;
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qc_host_busy_free_sp:
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qla2x00_sp_free_dma(ha, sp);
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mempool_free(sp, ha->srb_mempool);
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qc_host_busy_lock:
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spin_lock_irq(ha->host->host_lock);
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qc_host_busy:
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return SCSI_MLQUEUE_HOST_BUSY;
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qc_fail_command:
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done(cmd);
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return 0;
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}
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static int
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qla24xx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
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{
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scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
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fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
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srb_t *sp;
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int rval;
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if (!fcport) {
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cmd->result = DID_NO_CONNECT << 16;
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goto qc24_fail_command;
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}
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if (atomic_read(&fcport->state) != FCS_ONLINE) {
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if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
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atomic_read(&ha->loop_state) == LOOP_DEAD) {
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cmd->result = DID_NO_CONNECT << 16;
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goto qc24_fail_command;
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}
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goto qc24_host_busy;
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}
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spin_unlock_irq(ha->host->host_lock);
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sp = qla2x00_get_new_sp(ha, fcport, cmd, done);
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if (!sp)
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goto qc24_host_busy_lock;
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rval = qla24xx_start_scsi(sp);
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if (rval != QLA_SUCCESS)
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goto qc24_host_busy_free_sp;
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spin_lock_irq(ha->host->host_lock);
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return 0;
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qc24_host_busy_free_sp:
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qla2x00_sp_free_dma(ha, sp);
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mempool_free(sp, ha->srb_mempool);
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qc24_host_busy_lock:
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spin_lock_irq(ha->host->host_lock);
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qc24_host_busy:
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return SCSI_MLQUEUE_HOST_BUSY;
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qc24_fail_command:
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done(cmd);
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return 0;
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}
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|
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/*
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* qla2x00_eh_wait_on_command
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* Waits for the command to be returned by the Firmware for some
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* max time.
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*
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* Input:
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* ha = actual ha whose done queue will contain the command
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* returned by firmware.
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* cmd = Scsi Command to wait on.
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* flag = Abort/Reset(Bus or Device Reset)
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*
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* Return:
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* Not Found : 0
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* Found : 1
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*/
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static int
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qla2x00_eh_wait_on_command(scsi_qla_host_t *ha, struct scsi_cmnd *cmd)
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{
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#define ABORT_POLLING_PERIOD 1000
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#define ABORT_WAIT_ITER ((10 * 1000) / (ABORT_POLLING_PERIOD))
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unsigned long wait_iter = ABORT_WAIT_ITER;
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int ret = QLA_SUCCESS;
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while (CMD_SP(cmd)) {
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msleep(ABORT_POLLING_PERIOD);
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if (--wait_iter)
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break;
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}
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if (CMD_SP(cmd))
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ret = QLA_FUNCTION_FAILED;
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return ret;
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}
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|
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/*
|
|
* qla2x00_wait_for_hba_online
|
|
* Wait till the HBA is online after going through
|
|
* <= MAX_RETRIES_OF_ISP_ABORT or
|
|
* finally HBA is disabled ie marked offline
|
|
*
|
|
* Input:
|
|
* ha - pointer to host adapter structure
|
|
*
|
|
* Note:
|
|
* Does context switching-Release SPIN_LOCK
|
|
* (if any) before calling this routine.
|
|
*
|
|
* Return:
|
|
* Success (Adapter is online) : 0
|
|
* Failed (Adapter is offline/disabled) : 1
|
|
*/
|
|
static int
|
|
qla2x00_wait_for_hba_online(scsi_qla_host_t *ha)
|
|
{
|
|
int return_status;
|
|
unsigned long wait_online;
|
|
|
|
wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
|
|
while (((test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) ||
|
|
test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags) ||
|
|
test_bit(ISP_ABORT_RETRY, &ha->dpc_flags) ||
|
|
ha->dpc_active) && time_before(jiffies, wait_online)) {
|
|
|
|
msleep(1000);
|
|
}
|
|
if (ha->flags.online)
|
|
return_status = QLA_SUCCESS;
|
|
else
|
|
return_status = QLA_FUNCTION_FAILED;
|
|
|
|
DEBUG2(printk("%s return_status=%d\n",__func__,return_status));
|
|
|
|
return (return_status);
|
|
}
|
|
|
|
/*
|
|
* qla2x00_wait_for_loop_ready
|
|
* Wait for MAX_LOOP_TIMEOUT(5 min) value for loop
|
|
* to be in LOOP_READY state.
|
|
* Input:
|
|
* ha - pointer to host adapter structure
|
|
*
|
|
* Note:
|
|
* Does context switching-Release SPIN_LOCK
|
|
* (if any) before calling this routine.
|
|
*
|
|
*
|
|
* Return:
|
|
* Success (LOOP_READY) : 0
|
|
* Failed (LOOP_NOT_READY) : 1
|
|
*/
|
|
static inline int
|
|
qla2x00_wait_for_loop_ready(scsi_qla_host_t *ha)
|
|
{
|
|
int return_status = QLA_SUCCESS;
|
|
unsigned long loop_timeout ;
|
|
|
|
/* wait for 5 min at the max for loop to be ready */
|
|
loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ);
|
|
|
|
while ((!atomic_read(&ha->loop_down_timer) &&
|
|
atomic_read(&ha->loop_state) == LOOP_DOWN) ||
|
|
atomic_read(&ha->loop_state) != LOOP_READY) {
|
|
msleep(1000);
|
|
if (time_after_eq(jiffies, loop_timeout)) {
|
|
return_status = QLA_FUNCTION_FAILED;
|
|
break;
|
|
}
|
|
}
|
|
return (return_status);
|
|
}
|
|
|
|
/**************************************************************************
|
|
* 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:
|
|
**************************************************************************/
|
|
int
|
|
qla2xxx_eh_abort(struct scsi_cmnd *cmd)
|
|
{
|
|
scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
|
|
srb_t *sp;
|
|
int ret, i;
|
|
unsigned int id, lun;
|
|
unsigned long serial;
|
|
unsigned long flags;
|
|
|
|
if (!CMD_SP(cmd))
|
|
return FAILED;
|
|
|
|
ret = FAILED;
|
|
|
|
id = cmd->device->id;
|
|
lun = cmd->device->lun;
|
|
serial = cmd->serial_number;
|
|
|
|
/* Check active list for command command. */
|
|
spin_lock_irqsave(&ha->hardware_lock, flags);
|
|
for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) {
|
|
sp = ha->outstanding_cmds[i];
|
|
|
|
if (sp == NULL)
|
|
continue;
|
|
|
|
if (sp->cmd != cmd)
|
|
continue;
|
|
|
|
DEBUG2(printk("%s(%ld): aborting sp %p from RISC. pid=%ld "
|
|
"sp->state=%x\n", __func__, ha->host_no, sp, serial,
|
|
sp->state));
|
|
DEBUG3(qla2x00_print_scsi_cmd(cmd);)
|
|
|
|
spin_unlock_irqrestore(&ha->hardware_lock, flags);
|
|
if (ha->isp_ops.abort_command(ha, sp)) {
|
|
DEBUG2(printk("%s(%ld): abort_command "
|
|
"mbx failed.\n", __func__, ha->host_no));
|
|
} else {
|
|
DEBUG3(printk("%s(%ld): abort_command "
|
|
"mbx success.\n", __func__, ha->host_no));
|
|
ret = SUCCESS;
|
|
}
|
|
spin_lock_irqsave(&ha->hardware_lock, flags);
|
|
|
|
break;
|
|
}
|
|
spin_unlock_irqrestore(&ha->hardware_lock, flags);
|
|
|
|
/* Wait for the command to be returned. */
|
|
if (ret == SUCCESS) {
|
|
if (qla2x00_eh_wait_on_command(ha, cmd) != QLA_SUCCESS) {
|
|
qla_printk(KERN_ERR, ha,
|
|
"scsi(%ld:%d:%d): Abort handler timed out -- %lx "
|
|
"%x.\n", ha->host_no, id, lun, serial, ret);
|
|
}
|
|
}
|
|
|
|
qla_printk(KERN_INFO, ha,
|
|
"scsi(%ld:%d:%d): Abort command issued -- %lx %x.\n", ha->host_no,
|
|
id, lun, serial, ret);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**************************************************************************
|
|
* qla2x00_eh_wait_for_pending_target_commands
|
|
*
|
|
* Description:
|
|
* Waits for all the commands to come back from the specified target.
|
|
*
|
|
* Input:
|
|
* ha - pointer to scsi_qla_host structure.
|
|
* t - target
|
|
* Returns:
|
|
* Either SUCCESS or FAILED.
|
|
*
|
|
* Note:
|
|
**************************************************************************/
|
|
static int
|
|
qla2x00_eh_wait_for_pending_target_commands(scsi_qla_host_t *ha, unsigned int t)
|
|
{
|
|
int cnt;
|
|
int status;
|
|
srb_t *sp;
|
|
struct scsi_cmnd *cmd;
|
|
unsigned long flags;
|
|
|
|
status = 0;
|
|
|
|
/*
|
|
* Waiting for all commands for the designated target in the active
|
|
* array
|
|
*/
|
|
for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
|
|
spin_lock_irqsave(&ha->hardware_lock, flags);
|
|
sp = ha->outstanding_cmds[cnt];
|
|
if (sp) {
|
|
cmd = sp->cmd;
|
|
spin_unlock_irqrestore(&ha->hardware_lock, flags);
|
|
if (cmd->device->id == t) {
|
|
if (!qla2x00_eh_wait_on_command(ha, cmd)) {
|
|
status = 1;
|
|
break;
|
|
}
|
|
}
|
|
} else {
|
|
spin_unlock_irqrestore(&ha->hardware_lock, flags);
|
|
}
|
|
}
|
|
return (status);
|
|
}
|
|
|
|
|
|
/**************************************************************************
|
|
* qla2xxx_eh_device_reset
|
|
*
|
|
* Description:
|
|
* The device reset function will reset the target and abort any
|
|
* executing commands.
|
|
*
|
|
* NOTE: The use of SP is undefined within this context. Do *NOT*
|
|
* attempt to use this value, even if you determine it is
|
|
* non-null.
|
|
*
|
|
* Input:
|
|
* cmd = Linux SCSI command packet of the command that cause the
|
|
* bus device reset.
|
|
*
|
|
* Returns:
|
|
* SUCCESS/FAILURE (defined as macro in scsi.h).
|
|
*
|
|
**************************************************************************/
|
|
int
|
|
qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
|
|
{
|
|
scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
|
|
fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
|
|
srb_t *sp;
|
|
int ret;
|
|
unsigned int id, lun;
|
|
unsigned long serial;
|
|
|
|
ret = FAILED;
|
|
|
|
id = cmd->device->id;
|
|
lun = cmd->device->lun;
|
|
serial = cmd->serial_number;
|
|
|
|
sp = (srb_t *) CMD_SP(cmd);
|
|
if (!sp || !fcport)
|
|
return ret;
|
|
|
|
qla_printk(KERN_INFO, ha,
|
|
"scsi(%ld:%d:%d): DEVICE RESET ISSUED.\n", ha->host_no, id, lun);
|
|
|
|
if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
|
|
goto eh_dev_reset_done;
|
|
|
|
if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) {
|
|
if (qla2x00_device_reset(ha, fcport) == 0)
|
|
ret = SUCCESS;
|
|
|
|
#if defined(LOGOUT_AFTER_DEVICE_RESET)
|
|
if (ret == SUCCESS) {
|
|
if (fcport->flags & FC_FABRIC_DEVICE) {
|
|
ha->isp_ops.fabric_logout(ha, fcport->loop_id);
|
|
qla2x00_mark_device_lost(ha, fcport);
|
|
}
|
|
}
|
|
#endif
|
|
} else {
|
|
DEBUG2(printk(KERN_INFO
|
|
"%s failed: loop not ready\n",__func__);)
|
|
}
|
|
|
|
if (ret == FAILED) {
|
|
DEBUG3(printk("%s(%ld): device reset failed\n",
|
|
__func__, ha->host_no));
|
|
qla_printk(KERN_INFO, ha, "%s: device reset failed\n",
|
|
__func__);
|
|
|
|
goto eh_dev_reset_done;
|
|
}
|
|
|
|
/* Flush outstanding commands. */
|
|
if (qla2x00_eh_wait_for_pending_target_commands(ha, id))
|
|
ret = FAILED;
|
|
if (ret == FAILED) {
|
|
DEBUG3(printk("%s(%ld): failed while waiting for commands\n",
|
|
__func__, ha->host_no));
|
|
qla_printk(KERN_INFO, ha,
|
|
"%s: failed while waiting for commands\n", __func__);
|
|
} else
|
|
qla_printk(KERN_INFO, ha,
|
|
"scsi(%ld:%d:%d): DEVICE RESET SUCCEEDED.\n", ha->host_no,
|
|
id, lun);
|
|
eh_dev_reset_done:
|
|
return ret;
|
|
}
|
|
|
|
/**************************************************************************
|
|
* qla2x00_eh_wait_for_pending_commands
|
|
*
|
|
* Description:
|
|
* Waits for all the commands to come back from the specified host.
|
|
*
|
|
* Input:
|
|
* ha - pointer to scsi_qla_host structure.
|
|
*
|
|
* Returns:
|
|
* 1 : SUCCESS
|
|
* 0 : FAILED
|
|
*
|
|
* Note:
|
|
**************************************************************************/
|
|
static int
|
|
qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *ha)
|
|
{
|
|
int cnt;
|
|
int status;
|
|
srb_t *sp;
|
|
struct scsi_cmnd *cmd;
|
|
unsigned long flags;
|
|
|
|
status = 1;
|
|
|
|
/*
|
|
* Waiting for all commands for the designated target in the active
|
|
* array
|
|
*/
|
|
for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
|
|
spin_lock_irqsave(&ha->hardware_lock, flags);
|
|
sp = ha->outstanding_cmds[cnt];
|
|
if (sp) {
|
|
cmd = sp->cmd;
|
|
spin_unlock_irqrestore(&ha->hardware_lock, flags);
|
|
status = qla2x00_eh_wait_on_command(ha, cmd);
|
|
if (status == 0)
|
|
break;
|
|
}
|
|
else {
|
|
spin_unlock_irqrestore(&ha->hardware_lock, flags);
|
|
}
|
|
}
|
|
return (status);
|
|
}
|
|
|
|
|
|
/**************************************************************************
|
|
* 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).
|
|
*
|
|
**************************************************************************/
|
|
int
|
|
qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
|
|
{
|
|
scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
|
|
fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
|
|
srb_t *sp;
|
|
int ret;
|
|
unsigned int id, lun;
|
|
unsigned long serial;
|
|
|
|
ret = FAILED;
|
|
|
|
id = cmd->device->id;
|
|
lun = cmd->device->lun;
|
|
serial = cmd->serial_number;
|
|
|
|
sp = (srb_t *) CMD_SP(cmd);
|
|
if (!sp || !fcport)
|
|
return ret;
|
|
|
|
qla_printk(KERN_INFO, ha,
|
|
"scsi(%ld:%d:%d): LOOP RESET ISSUED.\n", ha->host_no, id, lun);
|
|
|
|
if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) {
|
|
DEBUG2(printk("%s failed:board disabled\n",__func__));
|
|
goto eh_bus_reset_done;
|
|
}
|
|
|
|
if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) {
|
|
if (qla2x00_loop_reset(ha) == QLA_SUCCESS)
|
|
ret = SUCCESS;
|
|
}
|
|
if (ret == FAILED)
|
|
goto eh_bus_reset_done;
|
|
|
|
/* Flush outstanding commands. */
|
|
if (!qla2x00_eh_wait_for_pending_commands(ha))
|
|
ret = FAILED;
|
|
|
|
eh_bus_reset_done:
|
|
qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
|
|
(ret == FAILED) ? "failed" : "succeded");
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**************************************************************************
|
|
* 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:
|
|
**************************************************************************/
|
|
int
|
|
qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
|
|
{
|
|
scsi_qla_host_t *ha = to_qla_host(cmd->device->host);
|
|
fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
|
|
srb_t *sp;
|
|
int ret;
|
|
unsigned int id, lun;
|
|
unsigned long serial;
|
|
|
|
ret = FAILED;
|
|
|
|
id = cmd->device->id;
|
|
lun = cmd->device->lun;
|
|
serial = cmd->serial_number;
|
|
|
|
sp = (srb_t *) CMD_SP(cmd);
|
|
if (!sp || !fcport)
|
|
return ret;
|
|
|
|
qla_printk(KERN_INFO, ha,
|
|
"scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", ha->host_no, id, lun);
|
|
|
|
if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
|
|
goto eh_host_reset_lock;
|
|
|
|
/*
|
|
* Fixme-may be dpc thread is active and processing
|
|
* loop_resync,so wait a while for it to
|
|
* be completed and then issue big hammer.Otherwise
|
|
* it may cause I/O failure as big hammer marks the
|
|
* devices as lost kicking of the port_down_timer
|
|
* while dpc is stuck for the mailbox to complete.
|
|
*/
|
|
qla2x00_wait_for_loop_ready(ha);
|
|
set_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
|
|
if (qla2x00_abort_isp(ha)) {
|
|
clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
|
|
/* failed. schedule dpc to try */
|
|
set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
|
|
|
|
if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
|
|
goto eh_host_reset_lock;
|
|
}
|
|
clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
|
|
|
|
/* Waiting for our command in done_queue to be returned to OS.*/
|
|
if (qla2x00_eh_wait_for_pending_commands(ha))
|
|
ret = SUCCESS;
|
|
|
|
eh_host_reset_lock:
|
|
qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
|
|
(ret == FAILED) ? "failed" : "succeded");
|
|
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* qla2x00_loop_reset
|
|
* Issue loop reset.
|
|
*
|
|
* Input:
|
|
* ha = adapter block pointer.
|
|
*
|
|
* Returns:
|
|
* 0 = success
|
|
*/
|
|
static int
|
|
qla2x00_loop_reset(scsi_qla_host_t *ha)
|
|
{
|
|
int status = QLA_SUCCESS;
|
|
struct fc_port *fcport;
|
|
|
|
if (ha->flags.enable_lip_reset) {
|
|
status = qla2x00_lip_reset(ha);
|
|
}
|
|
|
|
if (status == QLA_SUCCESS && ha->flags.enable_target_reset) {
|
|
list_for_each_entry(fcport, &ha->fcports, list) {
|
|
if (fcport->port_type != FCT_TARGET)
|
|
continue;
|
|
|
|
status = qla2x00_device_reset(ha, fcport);
|
|
if (status != QLA_SUCCESS)
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (status == QLA_SUCCESS &&
|
|
((!ha->flags.enable_target_reset &&
|
|
!ha->flags.enable_lip_reset) ||
|
|
ha->flags.enable_lip_full_login)) {
|
|
|
|
status = qla2x00_full_login_lip(ha);
|
|
}
|
|
|
|
/* Issue marker command only when we are going to start the I/O */
|
|
ha->marker_needed = 1;
|
|
|
|
if (status) {
|
|
/* Empty */
|
|
DEBUG2_3(printk("%s(%ld): **** FAILED ****\n",
|
|
__func__,
|
|
ha->host_no);)
|
|
} else {
|
|
/* Empty */
|
|
DEBUG3(printk("%s(%ld): exiting normally.\n",
|
|
__func__,
|
|
ha->host_no);)
|
|
}
|
|
|
|
return(status);
|
|
}
|
|
|
|
/*
|
|
* qla2x00_device_reset
|
|
* Issue bus device reset message to the target.
|
|
*
|
|
* Input:
|
|
* ha = adapter block pointer.
|
|
* t = SCSI ID.
|
|
* TARGET_QUEUE_LOCK must be released.
|
|
* ADAPTER_STATE_LOCK must be released.
|
|
*
|
|
* Context:
|
|
* Kernel context.
|
|
*/
|
|
static int
|
|
qla2x00_device_reset(scsi_qla_host_t *ha, fc_port_t *reset_fcport)
|
|
{
|
|
/* Abort Target command will clear Reservation */
|
|
return ha->isp_ops.abort_target(reset_fcport);
|
|
}
|
|
|
|
static int
|
|
qla2xxx_slave_alloc(struct scsi_device *sdev)
|
|
{
|
|
struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
|
|
|
|
if (!rport)
|
|
return -ENXIO;
|
|
|
|
sdev->hostdata = rport->dd_data;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
qla2xxx_slave_configure(struct scsi_device *sdev)
|
|
{
|
|
scsi_qla_host_t *ha = to_qla_host(sdev->host);
|
|
struct fc_rport *rport = starget_to_rport(sdev->sdev_target);
|
|
|
|
if (sdev->tagged_supported)
|
|
scsi_activate_tcq(sdev, 32);
|
|
else
|
|
scsi_deactivate_tcq(sdev, 32);
|
|
|
|
rport->dev_loss_tmo = ha->port_down_retry_count + 5;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
qla2xxx_slave_destroy(struct scsi_device *sdev)
|
|
{
|
|
sdev->hostdata = NULL;
|
|
}
|
|
|
|
static int
|
|
qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth)
|
|
{
|
|
scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
|
|
return sdev->queue_depth;
|
|
}
|
|
|
|
static int
|
|
qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
|
|
{
|
|
if (sdev->tagged_supported) {
|
|
scsi_set_tag_type(sdev, tag_type);
|
|
if (tag_type)
|
|
scsi_activate_tcq(sdev, sdev->queue_depth);
|
|
else
|
|
scsi_deactivate_tcq(sdev, sdev->queue_depth);
|
|
} else
|
|
tag_type = 0;
|
|
|
|
return tag_type;
|
|
}
|
|
|
|
/**
|
|
* 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
|
|
qla2x00_config_dma_addressing(scsi_qla_host_t *ha)
|
|
{
|
|
/* Assume a 32bit DMA mask. */
|
|
ha->flags.enable_64bit_addressing = 0;
|
|
|
|
if (!dma_set_mask(&ha->pdev->dev, DMA_64BIT_MASK)) {
|
|
/* Any upper-dword bits set? */
|
|
if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
|
|
!pci_set_consistent_dma_mask(ha->pdev, DMA_64BIT_MASK)) {
|
|
/* Ok, a 64bit DMA mask is applicable. */
|
|
ha->flags.enable_64bit_addressing = 1;
|
|
ha->isp_ops.calc_req_entries = qla2x00_calc_iocbs_64;
|
|
ha->isp_ops.build_iocbs = qla2x00_build_scsi_iocbs_64;
|
|
return;
|
|
}
|
|
}
|
|
|
|
dma_set_mask(&ha->pdev->dev, DMA_32BIT_MASK);
|
|
pci_set_consistent_dma_mask(ha->pdev, DMA_32BIT_MASK);
|
|
}
|
|
|
|
static int
|
|
qla2x00_iospace_config(scsi_qla_host_t *ha)
|
|
{
|
|
unsigned long pio, pio_len, pio_flags;
|
|
unsigned long mmio, mmio_len, mmio_flags;
|
|
|
|
/* We only need PIO for Flash operations on ISP2312 v2 chips. */
|
|
pio = pci_resource_start(ha->pdev, 0);
|
|
pio_len = pci_resource_len(ha->pdev, 0);
|
|
pio_flags = pci_resource_flags(ha->pdev, 0);
|
|
if (pio_flags & IORESOURCE_IO) {
|
|
if (pio_len < MIN_IOBASE_LEN) {
|
|
qla_printk(KERN_WARNING, ha,
|
|
"Invalid PCI I/O region size (%s)...\n",
|
|
pci_name(ha->pdev));
|
|
pio = 0;
|
|
}
|
|
} else {
|
|
qla_printk(KERN_WARNING, ha,
|
|
"region #0 not a PIO resource (%s)...\n",
|
|
pci_name(ha->pdev));
|
|
pio = 0;
|
|
}
|
|
|
|
/* Use MMIO operations for all accesses. */
|
|
mmio = pci_resource_start(ha->pdev, 1);
|
|
mmio_len = pci_resource_len(ha->pdev, 1);
|
|
mmio_flags = pci_resource_flags(ha->pdev, 1);
|
|
|
|
if (!(mmio_flags & IORESOURCE_MEM)) {
|
|
qla_printk(KERN_ERR, ha,
|
|
"region #0 not an MMIO resource (%s), aborting\n",
|
|
pci_name(ha->pdev));
|
|
goto iospace_error_exit;
|
|
}
|
|
if (mmio_len < MIN_IOBASE_LEN) {
|
|
qla_printk(KERN_ERR, ha,
|
|
"Invalid PCI mem region size (%s), aborting\n",
|
|
pci_name(ha->pdev));
|
|
goto iospace_error_exit;
|
|
}
|
|
|
|
if (pci_request_regions(ha->pdev, ha->brd_info->drv_name)) {
|
|
qla_printk(KERN_WARNING, ha,
|
|
"Failed to reserve PIO/MMIO regions (%s)\n",
|
|
pci_name(ha->pdev));
|
|
|
|
goto iospace_error_exit;
|
|
}
|
|
|
|
ha->pio_address = pio;
|
|
ha->pio_length = pio_len;
|
|
ha->iobase = ioremap(mmio, MIN_IOBASE_LEN);
|
|
if (!ha->iobase) {
|
|
qla_printk(KERN_ERR, ha,
|
|
"cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
|
|
|
|
goto iospace_error_exit;
|
|
}
|
|
|
|
return (0);
|
|
|
|
iospace_error_exit:
|
|
return (-ENOMEM);
|
|
}
|
|
|
|
static void
|
|
qla2x00_enable_intrs(scsi_qla_host_t *ha)
|
|
{
|
|
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(®->ictrl, ICR_EN_INT | ICR_EN_RISC);
|
|
RD_REG_WORD(®->ictrl);
|
|
spin_unlock_irqrestore(&ha->hardware_lock, flags);
|
|
|
|
}
|
|
|
|
static void
|
|
qla2x00_disable_intrs(scsi_qla_host_t *ha)
|
|
{
|
|
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(®->ictrl, 0);
|
|
RD_REG_WORD(®->ictrl);
|
|
spin_unlock_irqrestore(&ha->hardware_lock, flags);
|
|
}
|
|
|
|
static void
|
|
qla24xx_enable_intrs(scsi_qla_host_t *ha)
|
|
{
|
|
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(®->ictrl, ICRX_EN_RISC_INT);
|
|
RD_REG_DWORD(®->ictrl);
|
|
spin_unlock_irqrestore(&ha->hardware_lock, flags);
|
|
}
|
|
|
|
static void
|
|
qla24xx_disable_intrs(scsi_qla_host_t *ha)
|
|
{
|
|
unsigned long flags = 0;
|
|
struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
|
|
|
|
spin_lock_irqsave(&ha->hardware_lock, flags);
|
|
ha->interrupts_on = 0;
|
|
WRT_REG_DWORD(®->ictrl, 0);
|
|
RD_REG_DWORD(®->ictrl);
|
|
spin_unlock_irqrestore(&ha->hardware_lock, flags);
|
|
}
|
|
|
|
/*
|
|
* PCI driver interface
|
|
*/
|
|
int qla2x00_probe_one(struct pci_dev *pdev, struct qla_board_info *brd_info)
|
|
{
|
|
int ret = -ENODEV;
|
|
device_reg_t __iomem *reg;
|
|
struct Scsi_Host *host;
|
|
scsi_qla_host_t *ha;
|
|
unsigned long flags = 0;
|
|
unsigned long wait_switch = 0;
|
|
char pci_info[20];
|
|
char fw_str[30];
|
|
fc_port_t *fcport;
|
|
|
|
if (pci_enable_device(pdev))
|
|
goto probe_out;
|
|
|
|
host = scsi_host_alloc(brd_info->sht ? brd_info->sht:
|
|
&qla2x00_driver_template, sizeof(scsi_qla_host_t));
|
|
if (host == NULL) {
|
|
printk(KERN_WARNING
|
|
"qla2xxx: Couldn't allocate host from scsi layer!\n");
|
|
goto probe_disable_device;
|
|
}
|
|
|
|
/* Clear our data area */
|
|
ha = (scsi_qla_host_t *)host->hostdata;
|
|
memset(ha, 0, sizeof(scsi_qla_host_t));
|
|
|
|
ha->pdev = pdev;
|
|
ha->host = host;
|
|
ha->host_no = host->host_no;
|
|
ha->brd_info = brd_info;
|
|
sprintf(ha->host_str, "%s_%ld", ha->brd_info->drv_name, ha->host_no);
|
|
|
|
ha->dpc_pid = -1;
|
|
|
|
/* Configure PCI I/O space */
|
|
ret = qla2x00_iospace_config(ha);
|
|
if (ret)
|
|
goto probe_failed;
|
|
|
|
qla_printk(KERN_INFO, ha,
|
|
"Found an %s, irq %d, iobase 0x%p\n", ha->brd_info->isp_name,
|
|
pdev->irq, ha->iobase);
|
|
|
|
spin_lock_init(&ha->hardware_lock);
|
|
|
|
ha->prev_topology = 0;
|
|
ha->ports = MAX_BUSES;
|
|
ha->init_cb_size = sizeof(init_cb_t);
|
|
ha->mgmt_svr_loop_id = MANAGEMENT_SERVER;
|
|
|
|
/* Assign ISP specific operations. */
|
|
ha->isp_ops.pci_config = qla2100_pci_config;
|
|
ha->isp_ops.reset_chip = qla2x00_reset_chip;
|
|
ha->isp_ops.chip_diag = qla2x00_chip_diag;
|
|
ha->isp_ops.config_rings = qla2x00_config_rings;
|
|
ha->isp_ops.reset_adapter = qla2x00_reset_adapter;
|
|
ha->isp_ops.nvram_config = qla2x00_nvram_config;
|
|
ha->isp_ops.update_fw_options = qla2x00_update_fw_options;
|
|
ha->isp_ops.load_risc = qla2x00_load_risc;
|
|
ha->isp_ops.pci_info_str = qla2x00_pci_info_str;
|
|
ha->isp_ops.fw_version_str = qla2x00_fw_version_str;
|
|
ha->isp_ops.intr_handler = qla2100_intr_handler;
|
|
ha->isp_ops.enable_intrs = qla2x00_enable_intrs;
|
|
ha->isp_ops.disable_intrs = qla2x00_disable_intrs;
|
|
ha->isp_ops.abort_command = qla2x00_abort_command;
|
|
ha->isp_ops.abort_target = qla2x00_abort_target;
|
|
ha->isp_ops.fabric_login = qla2x00_login_fabric;
|
|
ha->isp_ops.fabric_logout = qla2x00_fabric_logout;
|
|
ha->isp_ops.calc_req_entries = qla2x00_calc_iocbs_32;
|
|
ha->isp_ops.build_iocbs = qla2x00_build_scsi_iocbs_32;
|
|
ha->isp_ops.prep_ms_iocb = qla2x00_prep_ms_iocb;
|
|
ha->isp_ops.prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb;
|
|
ha->isp_ops.read_nvram = qla2x00_read_nvram_data;
|
|
ha->isp_ops.write_nvram = qla2x00_write_nvram_data;
|
|
ha->isp_ops.fw_dump = qla2100_fw_dump;
|
|
ha->isp_ops.ascii_fw_dump = qla2100_ascii_fw_dump;
|
|
if (IS_QLA2100(ha)) {
|
|
host->max_id = MAX_TARGETS_2100;
|
|
ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
|
|
ha->request_q_length = REQUEST_ENTRY_CNT_2100;
|
|
ha->response_q_length = RESPONSE_ENTRY_CNT_2100;
|
|
ha->last_loop_id = SNS_LAST_LOOP_ID_2100;
|
|
host->sg_tablesize = 32;
|
|
ha->gid_list_info_size = 4;
|
|
} else if (IS_QLA2200(ha)) {
|
|
host->max_id = MAX_TARGETS_2200;
|
|
ha->mbx_count = MAILBOX_REGISTER_COUNT;
|
|
ha->request_q_length = REQUEST_ENTRY_CNT_2200;
|
|
ha->response_q_length = RESPONSE_ENTRY_CNT_2100;
|
|
ha->last_loop_id = SNS_LAST_LOOP_ID_2100;
|
|
ha->gid_list_info_size = 4;
|
|
} else if (IS_QLA23XX(ha)) {
|
|
host->max_id = MAX_TARGETS_2200;
|
|
ha->mbx_count = MAILBOX_REGISTER_COUNT;
|
|
ha->request_q_length = REQUEST_ENTRY_CNT_2200;
|
|
ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
|
|
ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
|
|
ha->isp_ops.pci_config = qla2300_pci_config;
|
|
ha->isp_ops.intr_handler = qla2300_intr_handler;
|
|
ha->isp_ops.fw_dump = qla2300_fw_dump;
|
|
ha->isp_ops.ascii_fw_dump = qla2300_ascii_fw_dump;
|
|
ha->gid_list_info_size = 6;
|
|
} else if (IS_QLA24XX(ha) || IS_QLA25XX(ha)) {
|
|
host->max_id = MAX_TARGETS_2200;
|
|
ha->mbx_count = MAILBOX_REGISTER_COUNT;
|
|
ha->request_q_length = REQUEST_ENTRY_CNT_24XX;
|
|
ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
|
|
ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
|
|
ha->init_cb_size = sizeof(struct init_cb_24xx);
|
|
ha->mgmt_svr_loop_id = 10;
|
|
ha->isp_ops.pci_config = qla24xx_pci_config;
|
|
ha->isp_ops.reset_chip = qla24xx_reset_chip;
|
|
ha->isp_ops.chip_diag = qla24xx_chip_diag;
|
|
ha->isp_ops.config_rings = qla24xx_config_rings;
|
|
ha->isp_ops.reset_adapter = qla24xx_reset_adapter;
|
|
ha->isp_ops.nvram_config = qla24xx_nvram_config;
|
|
ha->isp_ops.update_fw_options = qla24xx_update_fw_options;
|
|
ha->isp_ops.load_risc = qla24xx_load_risc_flash;
|
|
if (ql2xfwloadbin)
|
|
ha->isp_ops.load_risc = qla24xx_load_risc_hotplug;
|
|
ha->isp_ops.pci_info_str = qla24xx_pci_info_str;
|
|
ha->isp_ops.fw_version_str = qla24xx_fw_version_str;
|
|
ha->isp_ops.intr_handler = qla24xx_intr_handler;
|
|
ha->isp_ops.enable_intrs = qla24xx_enable_intrs;
|
|
ha->isp_ops.disable_intrs = qla24xx_disable_intrs;
|
|
ha->isp_ops.abort_command = qla24xx_abort_command;
|
|
ha->isp_ops.abort_target = qla24xx_abort_target;
|
|
ha->isp_ops.fabric_login = qla24xx_login_fabric;
|
|
ha->isp_ops.fabric_logout = qla24xx_fabric_logout;
|
|
ha->isp_ops.prep_ms_iocb = qla24xx_prep_ms_iocb;
|
|
ha->isp_ops.prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb;
|
|
ha->isp_ops.read_nvram = qla24xx_read_nvram_data;
|
|
ha->isp_ops.write_nvram = qla24xx_write_nvram_data;
|
|
ha->isp_ops.fw_dump = qla24xx_fw_dump;
|
|
ha->isp_ops.ascii_fw_dump = qla24xx_ascii_fw_dump;
|
|
ha->gid_list_info_size = 8;
|
|
}
|
|
host->can_queue = ha->request_q_length + 128;
|
|
|
|
/* load the F/W, read paramaters, and init the H/W */
|
|
ha->instance = num_hosts;
|
|
|
|
init_MUTEX(&ha->mbx_cmd_sem);
|
|
init_MUTEX_LOCKED(&ha->mbx_intr_sem);
|
|
|
|
INIT_LIST_HEAD(&ha->list);
|
|
INIT_LIST_HEAD(&ha->fcports);
|
|
INIT_LIST_HEAD(&ha->rscn_fcports);
|
|
|
|
/*
|
|
* These locks are used to prevent more than one CPU
|
|
* from modifying the queue at the same time. The
|
|
* higher level "host_lock" will reduce most
|
|
* contention for these locks.
|
|
*/
|
|
spin_lock_init(&ha->mbx_reg_lock);
|
|
|
|
init_completion(&ha->dpc_inited);
|
|
init_completion(&ha->dpc_exited);
|
|
|
|
qla2x00_config_dma_addressing(ha);
|
|
if (qla2x00_mem_alloc(ha)) {
|
|
qla_printk(KERN_WARNING, ha,
|
|
"[ERROR] Failed to allocate memory for adapter\n");
|
|
|
|
ret = -ENOMEM;
|
|
goto probe_failed;
|
|
}
|
|
|
|
if (qla2x00_initialize_adapter(ha) &&
|
|
!(ha->device_flags & DFLG_NO_CABLE)) {
|
|
|
|
qla_printk(KERN_WARNING, ha,
|
|
"Failed to initialize adapter\n");
|
|
|
|
DEBUG2(printk("scsi(%ld): Failed to initialize adapter - "
|
|
"Adapter flags %x.\n",
|
|
ha->host_no, ha->device_flags));
|
|
|
|
ret = -ENODEV;
|
|
goto probe_failed;
|
|
}
|
|
|
|
/*
|
|
* Startup the kernel thread for this host adapter
|
|
*/
|
|
ha->dpc_should_die = 0;
|
|
ha->dpc_pid = kernel_thread(qla2x00_do_dpc, ha, 0);
|
|
if (ha->dpc_pid < 0) {
|
|
qla_printk(KERN_WARNING, ha,
|
|
"Unable to start DPC thread!\n");
|
|
|
|
ret = -ENODEV;
|
|
goto probe_failed;
|
|
}
|
|
wait_for_completion(&ha->dpc_inited);
|
|
|
|
host->this_id = 255;
|
|
host->cmd_per_lun = 3;
|
|
host->unique_id = ha->instance;
|
|
host->max_cmd_len = MAX_CMDSZ;
|
|
host->max_channel = ha->ports - 1;
|
|
host->max_lun = MAX_LUNS;
|
|
host->transportt = qla2xxx_transport_template;
|
|
|
|
ret = request_irq(pdev->irq, ha->isp_ops.intr_handler,
|
|
SA_INTERRUPT|SA_SHIRQ, ha->brd_info->drv_name, ha);
|
|
if (ret) {
|
|
qla_printk(KERN_WARNING, ha,
|
|
"Failed to reserve interrupt %d already in use.\n",
|
|
pdev->irq);
|
|
goto probe_failed;
|
|
}
|
|
host->irq = pdev->irq;
|
|
|
|
/* Initialized the timer */
|
|
qla2x00_start_timer(ha, qla2x00_timer, WATCH_INTERVAL);
|
|
|
|
DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
|
|
ha->host_no, ha));
|
|
|
|
ha->isp_ops.disable_intrs(ha);
|
|
|
|
spin_lock_irqsave(&ha->hardware_lock, flags);
|
|
reg = ha->iobase;
|
|
if (IS_QLA24XX(ha) || IS_QLA25XX(ha)) {
|
|
WRT_REG_DWORD(®->isp24.hccr, HCCRX_CLR_HOST_INT);
|
|
WRT_REG_DWORD(®->isp24.hccr, HCCRX_CLR_RISC_INT);
|
|
} else {
|
|
WRT_REG_WORD(®->isp.semaphore, 0);
|
|
WRT_REG_WORD(®->isp.hccr, HCCR_CLR_RISC_INT);
|
|
WRT_REG_WORD(®->isp.hccr, HCCR_CLR_HOST_INT);
|
|
|
|
/* Enable proper parity */
|
|
if (!IS_QLA2100(ha) && !IS_QLA2200(ha)) {
|
|
if (IS_QLA2300(ha))
|
|
/* SRAM parity */
|
|
WRT_REG_WORD(®->isp.hccr,
|
|
(HCCR_ENABLE_PARITY + 0x1));
|
|
else
|
|
/* SRAM, Instruction RAM and GP RAM parity */
|
|
WRT_REG_WORD(®->isp.hccr,
|
|
(HCCR_ENABLE_PARITY + 0x7));
|
|
}
|
|
}
|
|
spin_unlock_irqrestore(&ha->hardware_lock, flags);
|
|
|
|
ha->isp_ops.enable_intrs(ha);
|
|
|
|
/* v2.19.5b6 */
|
|
/*
|
|
* Wait around max loop_reset_delay secs for the devices to come
|
|
* on-line. We don't want Linux scanning before we are ready.
|
|
*
|
|
*/
|
|
for (wait_switch = jiffies + (ha->loop_reset_delay * HZ);
|
|
time_before(jiffies,wait_switch) &&
|
|
!(ha->device_flags & (DFLG_NO_CABLE | DFLG_FABRIC_DEVICES))
|
|
&& (ha->device_flags & SWITCH_FOUND) ;) {
|
|
|
|
qla2x00_check_fabric_devices(ha);
|
|
|
|
msleep(10);
|
|
}
|
|
|
|
pci_set_drvdata(pdev, ha);
|
|
ha->flags.init_done = 1;
|
|
num_hosts++;
|
|
|
|
ret = scsi_add_host(host, &pdev->dev);
|
|
if (ret)
|
|
goto probe_failed;
|
|
|
|
qla2x00_alloc_sysfs_attr(ha);
|
|
|
|
qla2x00_init_host_attr(ha);
|
|
|
|
qla_printk(KERN_INFO, ha, "\n"
|
|
" QLogic Fibre Channel HBA Driver: %s\n"
|
|
" QLogic %s - %s\n"
|
|
" %s: %s @ %s hdma%c, host#=%ld, fw=%s\n", qla2x00_version_str,
|
|
ha->model_number, ha->model_desc ? ha->model_desc: "",
|
|
ha->brd_info->isp_name, ha->isp_ops.pci_info_str(ha, pci_info),
|
|
pci_name(pdev), ha->flags.enable_64bit_addressing ? '+': '-',
|
|
ha->host_no, ha->isp_ops.fw_version_str(ha, fw_str));
|
|
|
|
/* Go with fc_rport registration. */
|
|
list_for_each_entry(fcport, &ha->fcports, list)
|
|
qla2x00_reg_remote_port(ha, fcport);
|
|
|
|
return 0;
|
|
|
|
probe_failed:
|
|
qla2x00_free_device(ha);
|
|
|
|
scsi_host_put(host);
|
|
|
|
probe_disable_device:
|
|
pci_disable_device(pdev);
|
|
|
|
probe_out:
|
|
return ret;
|
|
}
|
|
EXPORT_SYMBOL_GPL(qla2x00_probe_one);
|
|
|
|
void qla2x00_remove_one(struct pci_dev *pdev)
|
|
{
|
|
scsi_qla_host_t *ha;
|
|
|
|
ha = pci_get_drvdata(pdev);
|
|
|
|
qla2x00_free_sysfs_attr(ha);
|
|
|
|
fc_remove_host(ha->host);
|
|
|
|
scsi_remove_host(ha->host);
|
|
|
|
qla2x00_free_device(ha);
|
|
|
|
scsi_host_put(ha->host);
|
|
|
|
pci_set_drvdata(pdev, NULL);
|
|
}
|
|
EXPORT_SYMBOL_GPL(qla2x00_remove_one);
|
|
|
|
static void
|
|
qla2x00_free_device(scsi_qla_host_t *ha)
|
|
{
|
|
int ret;
|
|
|
|
/* Abort any outstanding IO descriptors. */
|
|
if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
|
|
qla2x00_cancel_io_descriptors(ha);
|
|
|
|
/* Disable timer */
|
|
if (ha->timer_active)
|
|
qla2x00_stop_timer(ha);
|
|
|
|
/* Kill the kernel thread for this host */
|
|
if (ha->dpc_pid >= 0) {
|
|
ha->dpc_should_die = 1;
|
|
wmb();
|
|
ret = kill_proc(ha->dpc_pid, SIGHUP, 1);
|
|
if (ret) {
|
|
qla_printk(KERN_ERR, ha,
|
|
"Unable to signal DPC thread -- (%d)\n", ret);
|
|
|
|
/* TODO: SOMETHING MORE??? */
|
|
} else {
|
|
wait_for_completion(&ha->dpc_exited);
|
|
}
|
|
}
|
|
|
|
/* Stop currently executing firmware. */
|
|
qla2x00_stop_firmware(ha);
|
|
|
|
/* turn-off interrupts on the card */
|
|
if (ha->interrupts_on)
|
|
ha->isp_ops.disable_intrs(ha);
|
|
|
|
qla2x00_mem_free(ha);
|
|
|
|
ha->flags.online = 0;
|
|
|
|
/* Detach interrupts */
|
|
if (ha->pdev->irq)
|
|
free_irq(ha->pdev->irq, ha);
|
|
|
|
/* release io space registers */
|
|
if (ha->iobase)
|
|
iounmap(ha->iobase);
|
|
pci_release_regions(ha->pdev);
|
|
|
|
pci_disable_device(ha->pdev);
|
|
}
|
|
|
|
/*
|
|
* qla2x00_mark_device_lost Updates fcport state when device goes offline.
|
|
*
|
|
* Input: ha = adapter block pointer. fcport = port structure pointer.
|
|
*
|
|
* Return: None.
|
|
*
|
|
* Context:
|
|
*/
|
|
void qla2x00_mark_device_lost(scsi_qla_host_t *ha, fc_port_t *fcport,
|
|
int do_login)
|
|
{
|
|
if (atomic_read(&fcport->state) == FCS_ONLINE && fcport->rport)
|
|
fc_remote_port_block(fcport->rport);
|
|
/*
|
|
* 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)
|
|
atomic_set(&fcport->state, FCS_DEVICE_LOST);
|
|
|
|
if (!do_login)
|
|
return;
|
|
|
|
if (fcport->login_retry == 0) {
|
|
fcport->login_retry = ha->login_retry_count;
|
|
set_bit(RELOGIN_NEEDED, &ha->dpc_flags);
|
|
|
|
DEBUG(printk("scsi(%ld): Port login retry: "
|
|
"%02x%02x%02x%02x%02x%02x%02x%02x, "
|
|
"id = 0x%04x retry cnt=%d\n",
|
|
ha->host_no,
|
|
fcport->port_name[0],
|
|
fcport->port_name[1],
|
|
fcport->port_name[2],
|
|
fcport->port_name[3],
|
|
fcport->port_name[4],
|
|
fcport->port_name[5],
|
|
fcport->port_name[6],
|
|
fcport->port_name[7],
|
|
fcport->loop_id,
|
|
fcport->login_retry));
|
|
}
|
|
}
|
|
|
|
/*
|
|
* 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
|
|
qla2x00_mark_all_devices_lost(scsi_qla_host_t *ha)
|
|
{
|
|
fc_port_t *fcport;
|
|
|
|
list_for_each_entry(fcport, &ha->fcports, list) {
|
|
if (fcport->port_type != FCT_TARGET)
|
|
continue;
|
|
|
|
/*
|
|
* No point in marking the device as lost, if the device is
|
|
* already DEAD.
|
|
*/
|
|
if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
|
|
continue;
|
|
if (atomic_read(&fcport->state) == FCS_ONLINE && fcport->rport)
|
|
fc_remote_port_block(fcport->rport);
|
|
atomic_set(&fcport->state, FCS_DEVICE_LOST);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* qla2x00_mem_alloc
|
|
* Allocates adapter memory.
|
|
*
|
|
* Returns:
|
|
* 0 = success.
|
|
* 1 = failure.
|
|
*/
|
|
static uint8_t
|
|
qla2x00_mem_alloc(scsi_qla_host_t *ha)
|
|
{
|
|
char name[16];
|
|
uint8_t status = 1;
|
|
int retry= 10;
|
|
|
|
do {
|
|
/*
|
|
* This will loop only once if everything goes well, else some
|
|
* number of retries will be performed to get around a kernel
|
|
* bug where available mem is not allocated until after a
|
|
* little delay and a retry.
|
|
*/
|
|
ha->request_ring = dma_alloc_coherent(&ha->pdev->dev,
|
|
(ha->request_q_length + 1) * sizeof(request_t),
|
|
&ha->request_dma, GFP_KERNEL);
|
|
if (ha->request_ring == NULL) {
|
|
qla_printk(KERN_WARNING, ha,
|
|
"Memory Allocation failed - request_ring\n");
|
|
|
|
qla2x00_mem_free(ha);
|
|
msleep(100);
|
|
|
|
continue;
|
|
}
|
|
|
|
ha->response_ring = dma_alloc_coherent(&ha->pdev->dev,
|
|
(ha->response_q_length + 1) * sizeof(response_t),
|
|
&ha->response_dma, GFP_KERNEL);
|
|
if (ha->response_ring == NULL) {
|
|
qla_printk(KERN_WARNING, ha,
|
|
"Memory Allocation failed - response_ring\n");
|
|
|
|
qla2x00_mem_free(ha);
|
|
msleep(100);
|
|
|
|
continue;
|
|
}
|
|
|
|
ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE,
|
|
&ha->gid_list_dma, GFP_KERNEL);
|
|
if (ha->gid_list == NULL) {
|
|
qla_printk(KERN_WARNING, ha,
|
|
"Memory Allocation failed - gid_list\n");
|
|
|
|
qla2x00_mem_free(ha);
|
|
msleep(100);
|
|
|
|
continue;
|
|
}
|
|
|
|
ha->rlc_rsp = dma_alloc_coherent(&ha->pdev->dev,
|
|
sizeof(rpt_lun_cmd_rsp_t), &ha->rlc_rsp_dma, GFP_KERNEL);
|
|
if (ha->rlc_rsp == NULL) {
|
|
qla_printk(KERN_WARNING, ha,
|
|
"Memory Allocation failed - rlc");
|
|
|
|
qla2x00_mem_free(ha);
|
|
msleep(100);
|
|
|
|
continue;
|
|
}
|
|
|
|
snprintf(name, sizeof(name), "qla2xxx_%ld", ha->host_no);
|
|
ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
|
|
DMA_POOL_SIZE, 8, 0);
|
|
if (ha->s_dma_pool == NULL) {
|
|
qla_printk(KERN_WARNING, ha,
|
|
"Memory Allocation failed - s_dma_pool\n");
|
|
|
|
qla2x00_mem_free(ha);
|
|
msleep(100);
|
|
|
|
continue;
|
|
}
|
|
|
|
/* get consistent memory allocated for init control block */
|
|
ha->init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
|
|
&ha->init_cb_dma);
|
|
if (ha->init_cb == NULL) {
|
|
qla_printk(KERN_WARNING, ha,
|
|
"Memory Allocation failed - init_cb\n");
|
|
|
|
qla2x00_mem_free(ha);
|
|
msleep(100);
|
|
|
|
continue;
|
|
}
|
|
memset(ha->init_cb, 0, ha->init_cb_size);
|
|
|
|
/* Get consistent memory allocated for Get Port Database cmd */
|
|
ha->iodesc_pd = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
|
|
&ha->iodesc_pd_dma);
|
|
if (ha->iodesc_pd == NULL) {
|
|
/* error */
|
|
qla_printk(KERN_WARNING, ha,
|
|
"Memory Allocation failed - iodesc_pd\n");
|
|
|
|
qla2x00_mem_free(ha);
|
|
msleep(100);
|
|
|
|
continue;
|
|
}
|
|
memset(ha->iodesc_pd, 0, PORT_DATABASE_SIZE);
|
|
|
|
/* Allocate ioctl related memory. */
|
|
if (qla2x00_alloc_ioctl_mem(ha)) {
|
|
qla_printk(KERN_WARNING, ha,
|
|
"Memory Allocation failed - ioctl_mem\n");
|
|
|
|
qla2x00_mem_free(ha);
|
|
msleep(100);
|
|
|
|
continue;
|
|
}
|
|
|
|
if (qla2x00_allocate_sp_pool(ha)) {
|
|
qla_printk(KERN_WARNING, ha,
|
|
"Memory Allocation failed - "
|
|
"qla2x00_allocate_sp_pool()\n");
|
|
|
|
qla2x00_mem_free(ha);
|
|
msleep(100);
|
|
|
|
continue;
|
|
}
|
|
|
|
/* Allocate memory for SNS commands */
|
|
if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
|
|
/* Get consistent memory allocated for SNS commands */
|
|
ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
|
|
sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma,
|
|
GFP_KERNEL);
|
|
if (ha->sns_cmd == NULL) {
|
|
/* error */
|
|
qla_printk(KERN_WARNING, ha,
|
|
"Memory Allocation failed - sns_cmd\n");
|
|
|
|
qla2x00_mem_free(ha);
|
|
msleep(100);
|
|
|
|
continue;
|
|
}
|
|
memset(ha->sns_cmd, 0, sizeof(struct sns_cmd_pkt));
|
|
} else {
|
|
/* Get consistent memory allocated for MS IOCB */
|
|
ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
|
|
&ha->ms_iocb_dma);
|
|
if (ha->ms_iocb == NULL) {
|
|
/* error */
|
|
qla_printk(KERN_WARNING, ha,
|
|
"Memory Allocation failed - ms_iocb\n");
|
|
|
|
qla2x00_mem_free(ha);
|
|
msleep(100);
|
|
|
|
continue;
|
|
}
|
|
memset(ha->ms_iocb, 0, sizeof(ms_iocb_entry_t));
|
|
|
|
/*
|
|
* Get consistent memory allocated for CT SNS
|
|
* commands
|
|
*/
|
|
ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
|
|
sizeof(struct ct_sns_pkt), &ha->ct_sns_dma,
|
|
GFP_KERNEL);
|
|
if (ha->ct_sns == NULL) {
|
|
/* error */
|
|
qla_printk(KERN_WARNING, ha,
|
|
"Memory Allocation failed - ct_sns\n");
|
|
|
|
qla2x00_mem_free(ha);
|
|
msleep(100);
|
|
|
|
continue;
|
|
}
|
|
memset(ha->ct_sns, 0, sizeof(struct ct_sns_pkt));
|
|
}
|
|
|
|
/* Done all allocations without any error. */
|
|
status = 0;
|
|
|
|
} while (retry-- && status != 0);
|
|
|
|
if (status) {
|
|
printk(KERN_WARNING
|
|
"%s(): **** FAILED ****\n", __func__);
|
|
}
|
|
|
|
return(status);
|
|
}
|
|
|
|
/*
|
|
* qla2x00_mem_free
|
|
* Frees all adapter allocated memory.
|
|
*
|
|
* Input:
|
|
* ha = adapter block pointer.
|
|
*/
|
|
static void
|
|
qla2x00_mem_free(scsi_qla_host_t *ha)
|
|
{
|
|
struct list_head *fcpl, *fcptemp;
|
|
fc_port_t *fcport;
|
|
unsigned int wtime;/* max wait time if mbx cmd is busy. */
|
|
|
|
if (ha == NULL) {
|
|
/* error */
|
|
DEBUG2(printk("%s(): ERROR invalid ha pointer.\n", __func__));
|
|
return;
|
|
}
|
|
|
|
/* Make sure all other threads are stopped. */
|
|
wtime = 60 * 1000;
|
|
while (ha->dpc_wait && wtime)
|
|
wtime = msleep_interruptible(wtime);
|
|
|
|
/* free ioctl memory */
|
|
qla2x00_free_ioctl_mem(ha);
|
|
|
|
/* free sp pool */
|
|
qla2x00_free_sp_pool(ha);
|
|
|
|
if (ha->sns_cmd)
|
|
dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
|
|
ha->sns_cmd, ha->sns_cmd_dma);
|
|
|
|
if (ha->ct_sns)
|
|
dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
|
|
ha->ct_sns, ha->ct_sns_dma);
|
|
|
|
if (ha->ms_iocb)
|
|
dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
|
|
|
|
if (ha->iodesc_pd)
|
|
dma_pool_free(ha->s_dma_pool, ha->iodesc_pd, ha->iodesc_pd_dma);
|
|
|
|
if (ha->init_cb)
|
|
dma_pool_free(ha->s_dma_pool, ha->init_cb, ha->init_cb_dma);
|
|
|
|
if (ha->s_dma_pool)
|
|
dma_pool_destroy(ha->s_dma_pool);
|
|
|
|
if (ha->rlc_rsp)
|
|
dma_free_coherent(&ha->pdev->dev,
|
|
sizeof(rpt_lun_cmd_rsp_t), ha->rlc_rsp,
|
|
ha->rlc_rsp_dma);
|
|
|
|
if (ha->gid_list)
|
|
dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list,
|
|
ha->gid_list_dma);
|
|
|
|
if (ha->response_ring)
|
|
dma_free_coherent(&ha->pdev->dev,
|
|
(ha->response_q_length + 1) * sizeof(response_t),
|
|
ha->response_ring, ha->response_dma);
|
|
|
|
if (ha->request_ring)
|
|
dma_free_coherent(&ha->pdev->dev,
|
|
(ha->request_q_length + 1) * sizeof(request_t),
|
|
ha->request_ring, ha->request_dma);
|
|
|
|
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->iodesc_pd = NULL;
|
|
ha->iodesc_pd_dma = 0;
|
|
ha->init_cb = NULL;
|
|
ha->init_cb_dma = 0;
|
|
|
|
ha->s_dma_pool = NULL;
|
|
|
|
ha->rlc_rsp = NULL;
|
|
ha->rlc_rsp_dma = 0;
|
|
ha->gid_list = NULL;
|
|
ha->gid_list_dma = 0;
|
|
|
|
ha->response_ring = NULL;
|
|
ha->response_dma = 0;
|
|
ha->request_ring = NULL;
|
|
ha->request_dma = 0;
|
|
|
|
list_for_each_safe(fcpl, fcptemp, &ha->fcports) {
|
|
fcport = list_entry(fcpl, fc_port_t, list);
|
|
|
|
/* fc ports */
|
|
list_del_init(&fcport->list);
|
|
kfree(fcport);
|
|
}
|
|
INIT_LIST_HEAD(&ha->fcports);
|
|
|
|
if (ha->fw_dump)
|
|
free_pages((unsigned long)ha->fw_dump, ha->fw_dump_order);
|
|
|
|
vfree(ha->fw_dump24);
|
|
|
|
vfree(ha->fw_dump_buffer);
|
|
|
|
ha->fw_dump = NULL;
|
|
ha->fw_dump24 = NULL;
|
|
ha->fw_dumped = 0;
|
|
ha->fw_dump_reading = 0;
|
|
ha->fw_dump_buffer = NULL;
|
|
}
|
|
|
|
/*
|
|
* qla2x00_allocate_sp_pool
|
|
* This routine is called during initialization to allocate
|
|
* memory for local srb_t.
|
|
*
|
|
* Input:
|
|
* ha = adapter block pointer.
|
|
*
|
|
* Context:
|
|
* Kernel context.
|
|
*
|
|
* Note: Sets the ref_count for non Null sp to one.
|
|
*/
|
|
static int
|
|
qla2x00_allocate_sp_pool(scsi_qla_host_t *ha)
|
|
{
|
|
int rval;
|
|
|
|
rval = QLA_SUCCESS;
|
|
ha->srb_mempool = mempool_create(SRB_MIN_REQ, mempool_alloc_slab,
|
|
mempool_free_slab, srb_cachep);
|
|
if (ha->srb_mempool == NULL) {
|
|
qla_printk(KERN_INFO, ha, "Unable to allocate SRB mempool.\n");
|
|
rval = QLA_FUNCTION_FAILED;
|
|
}
|
|
return (rval);
|
|
}
|
|
|
|
/*
|
|
* This routine frees all adapter allocated memory.
|
|
*
|
|
*/
|
|
static void
|
|
qla2x00_free_sp_pool( scsi_qla_host_t *ha)
|
|
{
|
|
if (ha->srb_mempool) {
|
|
mempool_destroy(ha->srb_mempool);
|
|
ha->srb_mempool = NULL;
|
|
}
|
|
}
|
|
|
|
/**************************************************************************
|
|
* 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)
|
|
{
|
|
DECLARE_MUTEX_LOCKED(sem);
|
|
scsi_qla_host_t *ha;
|
|
fc_port_t *fcport;
|
|
uint8_t status;
|
|
uint16_t next_loopid;
|
|
|
|
ha = (scsi_qla_host_t *)data;
|
|
|
|
lock_kernel();
|
|
|
|
daemonize("%s_dpc", ha->host_str);
|
|
allow_signal(SIGHUP);
|
|
|
|
ha->dpc_wait = &sem;
|
|
|
|
set_user_nice(current, -20);
|
|
|
|
unlock_kernel();
|
|
|
|
complete(&ha->dpc_inited);
|
|
|
|
while (1) {
|
|
DEBUG3(printk("qla2x00: DPC handler sleeping\n"));
|
|
|
|
if (down_interruptible(&sem))
|
|
break;
|
|
|
|
if (ha->dpc_should_die)
|
|
break;
|
|
|
|
DEBUG3(printk("qla2x00: DPC handler waking up\n"));
|
|
|
|
/* Initialization not yet finished. Don't do anything yet. */
|
|
if (!ha->flags.init_done || ha->dpc_active)
|
|
continue;
|
|
|
|
DEBUG3(printk("scsi(%ld): DPC handler\n", ha->host_no));
|
|
|
|
ha->dpc_active = 1;
|
|
|
|
if (ha->flags.mbox_busy) {
|
|
ha->dpc_active = 0;
|
|
continue;
|
|
}
|
|
|
|
if (test_and_clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) {
|
|
|
|
DEBUG(printk("scsi(%ld): dpc: sched "
|
|
"qla2x00_abort_isp ha = %p\n",
|
|
ha->host_no, ha));
|
|
if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
|
|
&ha->dpc_flags))) {
|
|
|
|
if (qla2x00_abort_isp(ha)) {
|
|
/* failed. retry later */
|
|
set_bit(ISP_ABORT_NEEDED,
|
|
&ha->dpc_flags);
|
|
}
|
|
clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
|
|
}
|
|
DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n",
|
|
ha->host_no));
|
|
}
|
|
|
|
if (test_and_clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) &&
|
|
(!(test_and_set_bit(RESET_ACTIVE, &ha->dpc_flags)))) {
|
|
|
|
DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n",
|
|
ha->host_no));
|
|
|
|
qla2x00_rst_aen(ha);
|
|
clear_bit(RESET_ACTIVE, &ha->dpc_flags);
|
|
}
|
|
|
|
/* Retry each device up to login retry count */
|
|
if ((test_and_clear_bit(RELOGIN_NEEDED, &ha->dpc_flags)) &&
|
|
!test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) &&
|
|
atomic_read(&ha->loop_state) != LOOP_DOWN) {
|
|
|
|
DEBUG(printk("scsi(%ld): qla2x00_port_login()\n",
|
|
ha->host_no));
|
|
|
|
next_loopid = 0;
|
|
list_for_each_entry(fcport, &ha->fcports, list) {
|
|
if (fcport->port_type != FCT_TARGET)
|
|
continue;
|
|
|
|
/*
|
|
* If the port is not ONLINE then try to login
|
|
* to it if we haven't run out of retries.
|
|
*/
|
|
if (atomic_read(&fcport->state) != FCS_ONLINE &&
|
|
fcport->login_retry) {
|
|
|
|
fcport->login_retry--;
|
|
if (fcport->flags & FCF_FABRIC_DEVICE) {
|
|
if (fcport->flags &
|
|
FCF_TAPE_PRESENT)
|
|
ha->isp_ops.fabric_logout(
|
|
ha, fcport->loop_id,
|
|
fcport->d_id.b.domain,
|
|
fcport->d_id.b.area,
|
|
fcport->d_id.b.al_pa);
|
|
status = qla2x00_fabric_login(
|
|
ha, fcport, &next_loopid);
|
|
} else
|
|
status =
|
|
qla2x00_local_device_login(
|
|
ha, fcport->loop_id);
|
|
|
|
if (status == QLA_SUCCESS) {
|
|
fcport->old_loop_id = fcport->loop_id;
|
|
|
|
DEBUG(printk("scsi(%ld): port login OK: logged in ID 0x%x\n",
|
|
ha->host_no, fcport->loop_id));
|
|
|
|
fcport->port_login_retry_count =
|
|
ha->port_down_retry_count * PORT_RETRY_TIME;
|
|
atomic_set(&fcport->state, FCS_ONLINE);
|
|
atomic_set(&fcport->port_down_timer,
|
|
ha->port_down_retry_count * PORT_RETRY_TIME);
|
|
|
|
fcport->login_retry = 0;
|
|
} else if (status == 1) {
|
|
set_bit(RELOGIN_NEEDED, &ha->dpc_flags);
|
|
/* retry the login again */
|
|
DEBUG(printk("scsi(%ld): Retrying %d login again loop_id 0x%x\n",
|
|
ha->host_no,
|
|
fcport->login_retry, fcport->loop_id));
|
|
} else {
|
|
fcport->login_retry = 0;
|
|
}
|
|
}
|
|
if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
|
|
break;
|
|
}
|
|
DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n",
|
|
ha->host_no));
|
|
}
|
|
|
|
if ((test_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags)) &&
|
|
atomic_read(&ha->loop_state) != LOOP_DOWN) {
|
|
|
|
clear_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags);
|
|
DEBUG(printk("scsi(%ld): qla2x00_login_retry()\n",
|
|
ha->host_no));
|
|
|
|
set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
|
|
|
|
DEBUG(printk("scsi(%ld): qla2x00_login_retry - end\n",
|
|
ha->host_no));
|
|
}
|
|
|
|
if (test_and_clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
|
|
|
|
DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n",
|
|
ha->host_no));
|
|
|
|
if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
|
|
&ha->dpc_flags))) {
|
|
|
|
qla2x00_loop_resync(ha);
|
|
|
|
clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
|
|
}
|
|
|
|
DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n",
|
|
ha->host_no));
|
|
}
|
|
|
|
if (test_and_clear_bit(FCPORT_RESCAN_NEEDED, &ha->dpc_flags)) {
|
|
|
|
DEBUG(printk("scsi(%ld): Rescan flagged fcports...\n",
|
|
ha->host_no));
|
|
|
|
qla2x00_rescan_fcports(ha);
|
|
|
|
DEBUG(printk("scsi(%ld): Rescan flagged fcports..."
|
|
"end.\n",
|
|
ha->host_no));
|
|
}
|
|
|
|
if (!ha->interrupts_on)
|
|
ha->isp_ops.enable_intrs(ha);
|
|
|
|
ha->dpc_active = 0;
|
|
} /* End of while(1) */
|
|
|
|
DEBUG(printk("scsi(%ld): DPC handler exiting\n", ha->host_no));
|
|
|
|
/*
|
|
* Make sure that nobody tries to wake us up again.
|
|
*/
|
|
ha->dpc_wait = NULL;
|
|
ha->dpc_active = 0;
|
|
|
|
complete_and_exit(&ha->dpc_exited, 0);
|
|
}
|
|
|
|
/*
|
|
* qla2x00_rst_aen
|
|
* Processes asynchronous reset.
|
|
*
|
|
* Input:
|
|
* ha = adapter block pointer.
|
|
*/
|
|
static void
|
|
qla2x00_rst_aen(scsi_qla_host_t *ha)
|
|
{
|
|
if (ha->flags.online && !ha->flags.reset_active &&
|
|
!atomic_read(&ha->loop_down_timer) &&
|
|
!(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags))) {
|
|
do {
|
|
clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
|
|
|
|
/*
|
|
* Issue marker command only when we are going to start
|
|
* the I/O.
|
|
*/
|
|
ha->marker_needed = 1;
|
|
} while (!atomic_read(&ha->loop_down_timer) &&
|
|
(test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags)));
|
|
}
|
|
}
|
|
|
|
static void
|
|
qla2x00_sp_free_dma(scsi_qla_host_t *ha, srb_t *sp)
|
|
{
|
|
struct scsi_cmnd *cmd = sp->cmd;
|
|
|
|
if (sp->flags & SRB_DMA_VALID) {
|
|
if (cmd->use_sg) {
|
|
dma_unmap_sg(&ha->pdev->dev, cmd->request_buffer,
|
|
cmd->use_sg, cmd->sc_data_direction);
|
|
} else if (cmd->request_bufflen) {
|
|
dma_unmap_single(&ha->pdev->dev, sp->dma_handle,
|
|
cmd->request_bufflen, cmd->sc_data_direction);
|
|
}
|
|
sp->flags &= ~SRB_DMA_VALID;
|
|
}
|
|
CMD_SP(cmd) = NULL;
|
|
}
|
|
|
|
void
|
|
qla2x00_sp_compl(scsi_qla_host_t *ha, srb_t *sp)
|
|
{
|
|
struct scsi_cmnd *cmd = sp->cmd;
|
|
|
|
qla2x00_sp_free_dma(ha, sp);
|
|
|
|
mempool_free(sp, ha->srb_mempool);
|
|
|
|
cmd->scsi_done(cmd);
|
|
}
|
|
|
|
/**************************************************************************
|
|
* qla2x00_timer
|
|
*
|
|
* Description:
|
|
* One second timer
|
|
*
|
|
* Context: Interrupt
|
|
***************************************************************************/
|
|
static void
|
|
qla2x00_timer(scsi_qla_host_t *ha)
|
|
{
|
|
unsigned long cpu_flags = 0;
|
|
fc_port_t *fcport;
|
|
int start_dpc = 0;
|
|
int index;
|
|
srb_t *sp;
|
|
int t;
|
|
|
|
/*
|
|
* Ports - Port down timer.
|
|
*
|
|
* Whenever, a port is in the LOST state we start decrementing its port
|
|
* down timer every second until it reaches zero. Once it reaches zero
|
|
* the port it marked DEAD.
|
|
*/
|
|
t = 0;
|
|
list_for_each_entry(fcport, &ha->fcports, list) {
|
|
if (fcport->port_type != FCT_TARGET)
|
|
continue;
|
|
|
|
if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
|
|
|
|
if (atomic_read(&fcport->port_down_timer) == 0)
|
|
continue;
|
|
|
|
if (atomic_dec_and_test(&fcport->port_down_timer) != 0)
|
|
atomic_set(&fcport->state, FCS_DEVICE_DEAD);
|
|
|
|
DEBUG(printk("scsi(%ld): fcport-%d - port retry count: "
|
|
"%d remaining\n",
|
|
ha->host_no,
|
|
t, atomic_read(&fcport->port_down_timer)));
|
|
}
|
|
t++;
|
|
} /* End of for fcport */
|
|
|
|
|
|
/* Loop down handler. */
|
|
if (atomic_read(&ha->loop_down_timer) > 0 &&
|
|
!(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags)) && ha->flags.online) {
|
|
|
|
if (atomic_read(&ha->loop_down_timer) ==
|
|
ha->loop_down_abort_time) {
|
|
|
|
DEBUG(printk("scsi(%ld): Loop Down - aborting the "
|
|
"queues before time expire\n",
|
|
ha->host_no));
|
|
|
|
if (!IS_QLA2100(ha) && ha->link_down_timeout)
|
|
atomic_set(&ha->loop_state, LOOP_DEAD);
|
|
|
|
/* Schedule an ISP abort to return any tape commands. */
|
|
spin_lock_irqsave(&ha->hardware_lock, cpu_flags);
|
|
for (index = 1; index < MAX_OUTSTANDING_COMMANDS;
|
|
index++) {
|
|
fc_port_t *sfcp;
|
|
|
|
sp = ha->outstanding_cmds[index];
|
|
if (!sp)
|
|
continue;
|
|
sfcp = sp->fcport;
|
|
if (!(sfcp->flags & FCF_TAPE_PRESENT))
|
|
continue;
|
|
|
|
set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
|
|
break;
|
|
}
|
|
spin_unlock_irqrestore(&ha->hardware_lock, cpu_flags);
|
|
|
|
set_bit(ABORT_QUEUES_NEEDED, &ha->dpc_flags);
|
|
start_dpc++;
|
|
}
|
|
|
|
/* if the loop has been down for 4 minutes, reinit adapter */
|
|
if (atomic_dec_and_test(&ha->loop_down_timer) != 0) {
|
|
DEBUG(printk("scsi(%ld): Loop down exceed 4 mins - "
|
|
"restarting queues.\n",
|
|
ha->host_no));
|
|
|
|
set_bit(RESTART_QUEUES_NEEDED, &ha->dpc_flags);
|
|
start_dpc++;
|
|
|
|
if (!(ha->device_flags & DFLG_NO_CABLE)) {
|
|
DEBUG(printk("scsi(%ld): Loop down - "
|
|
"aborting ISP.\n",
|
|
ha->host_no));
|
|
qla_printk(KERN_WARNING, ha,
|
|
"Loop down - aborting ISP.\n");
|
|
|
|
set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
|
|
}
|
|
}
|
|
DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n",
|
|
ha->host_no,
|
|
atomic_read(&ha->loop_down_timer)));
|
|
}
|
|
|
|
/* Schedule the DPC routine if needed */
|
|
if ((test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags) ||
|
|
test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) ||
|
|
start_dpc ||
|
|
test_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags) ||
|
|
test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) ||
|
|
test_bit(RELOGIN_NEEDED, &ha->dpc_flags)) &&
|
|
ha->dpc_wait && !ha->dpc_active) {
|
|
|
|
up(ha->dpc_wait);
|
|
}
|
|
|
|
qla2x00_restart_timer(ha, WATCH_INTERVAL);
|
|
}
|
|
|
|
/* XXX(hch): crude hack to emulate a down_timeout() */
|
|
int
|
|
qla2x00_down_timeout(struct semaphore *sema, unsigned long timeout)
|
|
{
|
|
const unsigned int step = 100; /* msecs */
|
|
unsigned int iterations = jiffies_to_msecs(timeout)/100;
|
|
|
|
do {
|
|
if (!down_trylock(sema))
|
|
return 0;
|
|
if (msleep_interruptible(step))
|
|
break;
|
|
} while (--iterations >= 0);
|
|
|
|
return -ETIMEDOUT;
|
|
}
|
|
|
|
static struct qla_board_info qla_board_tbl[] = {
|
|
{
|
|
.drv_name = "qla2400",
|
|
.isp_name = "ISP2422",
|
|
.fw_fname = "ql2400_fw.bin",
|
|
.sht = &qla24xx_driver_template,
|
|
},
|
|
{
|
|
.drv_name = "qla2400",
|
|
.isp_name = "ISP2432",
|
|
.fw_fname = "ql2400_fw.bin",
|
|
.sht = &qla24xx_driver_template,
|
|
},
|
|
};
|
|
|
|
static struct pci_device_id qla2xxx_pci_tbl[] = {
|
|
{
|
|
.vendor = PCI_VENDOR_ID_QLOGIC,
|
|
.device = PCI_DEVICE_ID_QLOGIC_ISP2422,
|
|
.subvendor = PCI_ANY_ID,
|
|
.subdevice = PCI_ANY_ID,
|
|
.driver_data = (unsigned long)&qla_board_tbl[0],
|
|
},
|
|
{
|
|
.vendor = PCI_VENDOR_ID_QLOGIC,
|
|
.device = PCI_DEVICE_ID_QLOGIC_ISP2432,
|
|
.subvendor = PCI_ANY_ID,
|
|
.subdevice = PCI_ANY_ID,
|
|
.driver_data = (unsigned long)&qla_board_tbl[1],
|
|
},
|
|
{0, 0},
|
|
};
|
|
MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
|
|
|
|
static int __devinit
|
|
qla2xxx_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
|
|
{
|
|
return qla2x00_probe_one(pdev,
|
|
(struct qla_board_info *)id->driver_data);
|
|
}
|
|
|
|
static void __devexit
|
|
qla2xxx_remove_one(struct pci_dev *pdev)
|
|
{
|
|
qla2x00_remove_one(pdev);
|
|
}
|
|
|
|
static struct pci_driver qla2xxx_pci_driver = {
|
|
.name = "qla2xxx",
|
|
.id_table = qla2xxx_pci_tbl,
|
|
.probe = qla2xxx_probe_one,
|
|
.remove = __devexit_p(qla2xxx_remove_one),
|
|
};
|
|
|
|
/**
|
|
* qla2x00_module_init - Module initialization.
|
|
**/
|
|
static int __init
|
|
qla2x00_module_init(void)
|
|
{
|
|
int ret = 0;
|
|
|
|
/* Allocate cache for SRBs. */
|
|
srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
|
|
SLAB_HWCACHE_ALIGN, NULL, NULL);
|
|
if (srb_cachep == NULL) {
|
|
printk(KERN_ERR
|
|
"qla2xxx: Unable to allocate SRB cache...Failing load!\n");
|
|
return -ENOMEM;
|
|
}
|
|
|
|
/* Derive version string. */
|
|
strcpy(qla2x00_version_str, QLA2XXX_VERSION);
|
|
#if DEBUG_QLA2100
|
|
strcat(qla2x00_version_str, "-debug");
|
|
#endif
|
|
qla2xxx_transport_template =
|
|
fc_attach_transport(&qla2xxx_transport_functions);
|
|
if (!qla2xxx_transport_template)
|
|
return -ENODEV;
|
|
|
|
printk(KERN_INFO "QLogic Fibre Channel HBA Driver\n");
|
|
ret = pci_module_init(&qla2xxx_pci_driver);
|
|
if (ret) {
|
|
kmem_cache_destroy(srb_cachep);
|
|
fc_release_transport(qla2xxx_transport_template);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* qla2x00_module_exit - Module cleanup.
|
|
**/
|
|
static void __exit
|
|
qla2x00_module_exit(void)
|
|
{
|
|
pci_unregister_driver(&qla2xxx_pci_driver);
|
|
kmem_cache_destroy(srb_cachep);
|
|
fc_release_transport(qla2xxx_transport_template);
|
|
}
|
|
|
|
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);
|