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path: root/drivers/scsi/qla2xxx/qla_os.c
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Diffstat (limited to 'drivers/scsi/qla2xxx/qla_os.c')
-rw-r--r--drivers/scsi/qla2xxx/qla_os.c149
1 files changed, 36 insertions, 113 deletions
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 3c97aa45772d..0b12498b7672 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -36,27 +36,12 @@ char qla2x00_version_str[40];
/*
* SRB allocation cache
*/
-char srb_cachep_name[16];
-kmem_cache_t *srb_cachep;
-
-/*
- * Stats for all adpaters.
- */
-struct _qla2x00stats qla2x00_stats;
+static kmem_cache_t *srb_cachep;
/*
* Ioctl related information.
*/
-int num_hosts;
-int apiHBAInstance;
-
-/*
- * Module parameter information and variables
- */
-int ql2xmaxqdepth;
-module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR);
-MODULE_PARM_DESC(ql2xmaxqdepth,
- "Maximum queue depth to report for target devices.");
+static int num_hosts;
int ql2xlogintimeout = 20;
module_param(ql2xlogintimeout, int, S_IRUGO|S_IRUSR);
@@ -69,12 +54,6 @@ MODULE_PARM_DESC(qlport_down_retry,
"Maximum number of command retries to a port that returns"
"a PORT-DOWN status.");
-int ql2xretrycount = 20;
-module_param(ql2xretrycount, int, S_IRUGO|S_IWUSR);
-MODULE_PARM_DESC(ql2xretrycount,
- "Maximum number of mid-layer retries allowed for a command. "
- "Default value is 20, ");
-
int ql2xplogiabsentdevice;
module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(ql2xplogiabsentdevice,
@@ -95,25 +74,6 @@ MODULE_PARM_DESC(ql2xintrdelaytimer,
"ZIO: Waiting time for Firmware before it generates an "
"interrupt to the host to notify completion of request.");
-int ConfigRequired;
-module_param(ConfigRequired, int, S_IRUGO|S_IRUSR);
-MODULE_PARM_DESC(ConfigRequired,
- "If 1, then only configured devices passed in through the"
- "ql2xopts parameter will be presented to the OS");
-
-int Bind = BIND_BY_PORT_NAME;
-module_param(Bind, int, S_IRUGO|S_IRUSR);
-MODULE_PARM_DESC(Bind,
- "Target persistent binding method: "
- "0 by Portname (default); 1 by PortID; 2 by Nodename. ");
-
-int ql2xsuspendcount = SUSPEND_COUNT;
-module_param(ql2xsuspendcount, int, S_IRUGO|S_IWUSR);
-MODULE_PARM_DESC(ql2xsuspendcount,
- "Number of 6-second suspend iterations to perform while a "
- "target returns a <NOT READY> status. Default is 10 "
- "iterations.");
-
int ql2xloginretrycount = 0;
module_param(ql2xloginretrycount, int, S_IRUGO|S_IRUSR);
MODULE_PARM_DESC(ql2xloginretrycount,
@@ -330,7 +290,6 @@ qla2x00_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
sp->fcport = fcport;
sp->cmd = cmd;
sp->flags = 0;
- sp->err_id = 0;
CMD_SP(cmd) = (void *)sp;
cmd->scsi_done = done;
@@ -474,7 +433,6 @@ qla2x00_wait_for_loop_ready(scsi_qla_host_t *ha)
while ((!atomic_read(&ha->loop_down_timer) &&
atomic_read(&ha->loop_state) == LOOP_DOWN) ||
- test_bit(CFG_ACTIVE, &ha->cfg_flags) ||
atomic_read(&ha->loop_state) != LOOP_READY) {
msleep(1000);
if (time_after_eq(jiffies, loop_timeout)) {
@@ -519,7 +477,6 @@ qla2xxx_eh_abort(struct scsi_cmnd *cmd)
serial = cmd->serial_number;
/* Check active list for command command. */
- spin_unlock_irq(ha->host->host_lock);
spin_lock_irqsave(&ha->hardware_lock, flags);
for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) {
sp = ha->outstanding_cmds[i];
@@ -558,7 +515,6 @@ qla2xxx_eh_abort(struct scsi_cmnd *cmd)
"%x.\n", ha->host_no, id, lun, serial, ret);
}
}
- spin_lock_irq(ha->host->host_lock);
qla_printk(KERN_INFO, ha,
"scsi(%ld:%d:%d): Abort command issued -- %lx %x.\n", ha->host_no,
@@ -658,12 +614,8 @@ qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
qla_printk(KERN_INFO, ha,
"scsi(%ld:%d:%d): DEVICE RESET ISSUED.\n", ha->host_no, id, lun);
- spin_unlock_irq(ha->host->host_lock);
-
- if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) {
- spin_lock_irq(ha->host->host_lock);
+ 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)
@@ -714,8 +666,6 @@ qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
"scsi(%ld:%d:%d): DEVICE RESET SUCCEEDED.\n", ha->host_no, id, lun);
eh_dev_reset_done:
- spin_lock_irq(ha->host->host_lock);
-
return ret;
}
@@ -805,8 +755,6 @@ qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
qla_printk(KERN_INFO, ha,
"scsi(%ld:%d:%d): LOOP RESET ISSUED.\n", ha->host_no, id, lun);
- spin_unlock_irq(ha->host->host_lock);
-
if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) {
DEBUG2(printk("%s failed:board disabled\n",__func__));
goto eh_bus_reset_done;
@@ -828,8 +776,6 @@ eh_bus_reset_done:
qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
(ret == FAILED) ? "failed" : "succeded");
- spin_lock_irq(ha->host->host_lock);
-
return ret;
}
@@ -871,8 +817,6 @@ qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
qla_printk(KERN_INFO, ha,
"scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", ha->host_no, id, lun);
- spin_unlock_irq(ha->host->host_lock);
-
if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS)
goto eh_host_reset_lock;
@@ -901,8 +845,6 @@ qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
ret = SUCCESS;
eh_host_reset_lock:
- spin_lock_irq(ha->host->host_lock);
-
qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__,
(ret == FAILED) ? "failed" : "succeded");
@@ -1150,7 +1092,7 @@ iospace_error_exit:
*/
int qla2x00_probe_one(struct pci_dev *pdev, struct qla_board_info *brd_info)
{
- int ret;
+ int ret = -ENODEV;
device_reg_t __iomem *reg;
struct Scsi_Host *host;
scsi_qla_host_t *ha;
@@ -1161,7 +1103,7 @@ int qla2x00_probe_one(struct pci_dev *pdev, struct qla_board_info *brd_info)
fc_port_t *fcport;
if (pci_enable_device(pdev))
- return -1;
+ goto probe_out;
host = scsi_host_alloc(&qla2x00_driver_template,
sizeof(scsi_qla_host_t));
@@ -1183,9 +1125,8 @@ int qla2x00_probe_one(struct pci_dev *pdev, struct qla_board_info *brd_info)
/* Configure PCI I/O space */
ret = qla2x00_iospace_config(ha);
- if (ret != 0) {
- goto probe_alloc_failed;
- }
+ if (ret)
+ goto probe_failed;
/* Sanitize the information from PCI BIOS. */
host->irq = pdev->irq;
@@ -1196,34 +1137,24 @@ int qla2x00_probe_one(struct pci_dev *pdev, struct qla_board_info *brd_info)
spin_lock_init(&ha->hardware_lock);
- /* 4.23 Initialize /proc/scsi/qla2x00 counters */
- ha->actthreads = 0;
- ha->qthreads = 0;
- ha->total_isr_cnt = 0;
- ha->total_isp_aborts = 0;
- ha->total_lip_cnt = 0;
- ha->total_dev_errs = 0;
- ha->total_ios = 0;
- ha->total_bytes = 0;
-
ha->prev_topology = 0;
ha->ports = MAX_BUSES;
if (IS_QLA2100(ha)) {
- ha->max_targets = MAX_TARGETS_2100;
+ 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;
} else if (IS_QLA2200(ha)) {
- ha->max_targets = MAX_TARGETS_2200;
+ 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;
} else /*if (IS_QLA2300(ha))*/ {
- ha->max_targets = MAX_TARGETS_2200;
+ 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;
@@ -1258,23 +1189,10 @@ int qla2x00_probe_one(struct pci_dev *pdev, struct qla_board_info *brd_info)
qla_printk(KERN_WARNING, ha,
"[ERROR] Failed to allocate memory for adapter\n");
- goto probe_alloc_failed;
+ ret = -ENOMEM;
+ goto probe_failed;
}
- pci_set_drvdata(pdev, ha);
- 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_id = ha->max_targets;
- host->max_lun = ha->max_luns;
- host->transportt = qla2xxx_transport_template;
- if (scsi_add_host(host, &pdev->dev))
- goto probe_alloc_failed;
-
- qla2x00_alloc_sysfs_attr(ha);
-
if (qla2x00_initialize_adapter(ha) &&
!(ha->device_flags & DFLG_NO_CABLE)) {
@@ -1285,11 +1203,10 @@ int qla2x00_probe_one(struct pci_dev *pdev, struct qla_board_info *brd_info)
"Adapter flags %x.\n",
ha->host_no, ha->device_flags));
+ ret = -ENODEV;
goto probe_failed;
}
- qla2x00_init_host_attr(ha);
-
/*
* Startup the kernel thread for this host adapter
*/
@@ -1299,17 +1216,26 @@ int qla2x00_probe_one(struct pci_dev *pdev, struct qla_board_info *brd_info)
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;
+
if (IS_QLA2100(ha) || IS_QLA2200(ha))
ret = request_irq(host->irq, qla2100_intr_handler,
SA_INTERRUPT|SA_SHIRQ, ha->brd_info->drv_name, ha);
else
ret = request_irq(host->irq, qla2300_intr_handler,
SA_INTERRUPT|SA_SHIRQ, ha->brd_info->drv_name, ha);
- if (ret != 0) {
+ if (ret) {
qla_printk(KERN_WARNING, ha,
"Failed to reserve interrupt %d already in use.\n",
host->irq);
@@ -1363,9 +1289,18 @@ int qla2x00_probe_one(struct pci_dev *pdev, struct qla_board_info *brd_info)
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"
@@ -1384,9 +1319,6 @@ int qla2x00_probe_one(struct pci_dev *pdev, struct qla_board_info *brd_info)
probe_failed:
fc_remove_host(ha->host);
- scsi_remove_host(host);
-
-probe_alloc_failed:
qla2x00_free_device(ha);
scsi_host_put(host);
@@ -1394,7 +1326,8 @@ probe_alloc_failed:
probe_disable_device:
pci_disable_device(pdev);
- return -1;
+probe_out:
+ return ret;
}
EXPORT_SYMBOL_GPL(qla2x00_probe_one);
@@ -2338,8 +2271,7 @@ static int __init
qla2x00_module_init(void)
{
/* Allocate cache for SRBs. */
- sprintf(srb_cachep_name, "qla2xxx_srbs");
- srb_cachep = kmem_cache_create(srb_cachep_name, sizeof(srb_t), 0,
+ srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
SLAB_HWCACHE_ALIGN, NULL, NULL);
if (srb_cachep == NULL) {
printk(KERN_ERR
@@ -2367,16 +2299,7 @@ qla2x00_module_init(void)
static void __exit
qla2x00_module_exit(void)
{
- /* Free SRBs cache. */
- if (srb_cachep != NULL) {
- if (kmem_cache_destroy(srb_cachep) != 0) {
- printk(KERN_ERR
- "qla2xxx: Unable to free SRB cache...Memory pools "
- "still active?\n");
- }
- srb_cachep = NULL;
- }
-
+ kmem_cache_destroy(srb_cachep);
fc_release_transport(qla2xxx_transport_template);
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.