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-rw-r--r--drivers/scsi/qla2xxx/qla_attr.c83
-rw-r--r--drivers/scsi/qla2xxx/qla_def.h8
-rw-r--r--drivers/scsi/qla2xxx/qla_gbl.h3
-rw-r--r--drivers/scsi/qla2xxx/qla_init.c53
-rw-r--r--drivers/scsi/qla2xxx/qla_iocb.c10
-rw-r--r--drivers/scsi/qla2xxx/qla_isr.c7
-rw-r--r--drivers/scsi/qla2xxx/qla_os.c23
7 files changed, 146 insertions, 41 deletions
diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index fc25cd83466..47c9ecfc1d8 100644
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -319,6 +319,83 @@ qla2x00_state_show(struct class_device *cdev, char *buf)
return len;
}
+static ssize_t
+qla2x00_zio_show(struct class_device *cdev, char *buf)
+{
+ scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
+ int len = 0;
+
+ switch (ha->zio_mode) {
+ case QLA_ZIO_MODE_5:
+ len += snprintf(buf + len, PAGE_SIZE-len, "Mode 5\n");
+ break;
+ case QLA_ZIO_MODE_6:
+ len += snprintf(buf + len, PAGE_SIZE-len, "Mode 6\n");
+ break;
+ case QLA_ZIO_DISABLED:
+ len += snprintf(buf + len, PAGE_SIZE-len, "Disabled\n");
+ break;
+ }
+ return len;
+}
+
+static ssize_t
+qla2x00_zio_store(struct class_device *cdev, const char *buf, size_t count)
+{
+ scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
+ int val = 0;
+ uint16_t zio_mode;
+
+ if (sscanf(buf, "%d", &val) != 1)
+ return -EINVAL;
+
+ switch (val) {
+ case 1:
+ zio_mode = QLA_ZIO_MODE_5;
+ break;
+ case 2:
+ zio_mode = QLA_ZIO_MODE_6;
+ break;
+ default:
+ zio_mode = QLA_ZIO_DISABLED;
+ break;
+ }
+
+ /* Update per-hba values and queue a reset. */
+ if (zio_mode != QLA_ZIO_DISABLED || ha->zio_mode != QLA_ZIO_DISABLED) {
+ ha->zio_mode = zio_mode;
+ set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
+ }
+ return strlen(buf);
+}
+
+static ssize_t
+qla2x00_zio_timer_show(struct class_device *cdev, char *buf)
+{
+ scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
+
+ return snprintf(buf, PAGE_SIZE, "%d us\n", ha->zio_timer * 100);
+}
+
+static ssize_t
+qla2x00_zio_timer_store(struct class_device *cdev, const char *buf,
+ size_t count)
+{
+ scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
+ int val = 0;
+ uint16_t zio_timer;
+
+ if (sscanf(buf, "%d", &val) != 1)
+ return -EINVAL;
+ if (val > 25500 || val < 100)
+ return -ERANGE;
+
+ zio_timer = (uint16_t)(val / 100);
+ ha->zio_timer = zio_timer;
+
+ return strlen(buf);
+}
+
static CLASS_DEVICE_ATTR(driver_version, S_IRUGO, qla2x00_drvr_version_show,
NULL);
static CLASS_DEVICE_ATTR(fw_version, S_IRUGO, qla2x00_fw_version_show, NULL);
@@ -329,6 +406,10 @@ static CLASS_DEVICE_ATTR(model_name, S_IRUGO, qla2x00_model_name_show, NULL);
static CLASS_DEVICE_ATTR(model_desc, S_IRUGO, qla2x00_model_desc_show, NULL);
static CLASS_DEVICE_ATTR(pci_info, S_IRUGO, qla2x00_pci_info_show, NULL);
static CLASS_DEVICE_ATTR(state, S_IRUGO, qla2x00_state_show, NULL);
+static CLASS_DEVICE_ATTR(zio, S_IRUGO | S_IWUSR, qla2x00_zio_show,
+ qla2x00_zio_store);
+static CLASS_DEVICE_ATTR(zio_timer, S_IRUGO | S_IWUSR, qla2x00_zio_timer_show,
+ qla2x00_zio_timer_store);
struct class_device_attribute *qla2x00_host_attrs[] = {
&class_device_attr_driver_version,
@@ -340,6 +421,8 @@ struct class_device_attribute *qla2x00_host_attrs[] = {
&class_device_attr_model_desc,
&class_device_attr_pci_info,
&class_device_attr_state,
+ &class_device_attr_zio,
+ &class_device_attr_zio_timer,
NULL,
};
diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
index b455c31405e..522bb2d3f08 100644
--- a/drivers/scsi/qla2xxx/qla_def.h
+++ b/drivers/scsi/qla2xxx/qla_def.h
@@ -823,6 +823,11 @@ typedef struct {
#define PD_STATE_WAIT_PORT_LOGOUT_ACK 11
+#define QLA_ZIO_MODE_5 (BIT_2 | BIT_0)
+#define QLA_ZIO_MODE_6 (BIT_2 | BIT_1)
+#define QLA_ZIO_DISABLED 0
+#define QLA_ZIO_DEFAULT_TIMER 2
+
/*
* ISP Initialization Control Block.
* Little endian except where noted.
@@ -2470,6 +2475,9 @@ typedef struct scsi_qla_host {
/* Needed for BEACON */
uint16_t beacon_blink_led;
uint16_t beacon_green_on;
+
+ uint16_t zio_mode;
+ uint16_t zio_timer;
} scsi_qla_host_t;
diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h
index e451941ad81..c26b74da405 100644
--- a/drivers/scsi/qla2xxx/qla_gbl.h
+++ b/drivers/scsi/qla2xxx/qla_gbl.h
@@ -76,8 +76,6 @@ extern char qla2x00_version_str[];
extern int ql2xlogintimeout;
extern int qlport_down_retry;
extern int ql2xplogiabsentdevice;
-extern int ql2xenablezio;
-extern int ql2xintrdelaytimer;
extern int ql2xloginretrycount;
extern int ql2xfdmienable;
@@ -223,6 +221,7 @@ extern irqreturn_t qla2100_intr_handler(int, void *, struct pt_regs *);
extern irqreturn_t qla2300_intr_handler(int, void *, struct pt_regs *);
extern irqreturn_t qla24xx_intr_handler(int, void *, struct pt_regs *);
extern void qla2x00_process_response_queue(struct scsi_qla_host *);
+extern void qla24xx_process_response_queue(struct scsi_qla_host *);
/*
* Global Function Prototypes in qla_sup.c source file.
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index 6fc8bbae939..9e36fbd9245 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -1372,7 +1372,6 @@ qla2x00_nvram_config(scsi_qla_host_t *ha)
nvram_t *nv = (nvram_t *)ha->request_ring;
uint8_t *ptr = (uint8_t *)ha->request_ring;
struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
- uint8_t timer_mode;
rval = QLA_SUCCESS;
@@ -1650,22 +1649,26 @@ qla2x00_nvram_config(scsi_qla_host_t *ha)
ha->flags.process_response_queue = 1;
} else {
- /* Enable ZIO -- Support mode 5 only. */
- timer_mode = icb->add_firmware_options[0] &
- (BIT_3 | BIT_2 | BIT_1 | BIT_0);
+ /* Enable ZIO. */
+ if (!ha->flags.init_done) {
+ ha->zio_mode = icb->add_firmware_options[0] &
+ (BIT_3 | BIT_2 | BIT_1 | BIT_0);
+ ha->zio_timer = icb->interrupt_delay_timer ?
+ icb->interrupt_delay_timer: 2;
+ }
icb->add_firmware_options[0] &=
~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
- if (ql2xenablezio)
- timer_mode = BIT_2 | BIT_0;
- if (timer_mode == (BIT_2 | BIT_0)) {
- DEBUG2(printk("scsi(%ld): ZIO enabled; timer delay "
- "(%d).\n", ha->host_no, ql2xintrdelaytimer));
+ ha->flags.process_response_queue = 0;
+ if (ha->zio_mode != QLA_ZIO_DISABLED) {
+ DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer "
+ "delay (%d us).\n", ha->host_no, ha->zio_mode,
+ ha->zio_timer * 100));
qla_printk(KERN_INFO, ha,
- "ZIO enabled; timer delay (%d).\n",
- ql2xintrdelaytimer);
+ "ZIO mode %d enabled; timer delay (%d us).\n",
+ ha->zio_mode, ha->zio_timer * 100);
- icb->add_firmware_options[0] |= timer_mode;
- icb->interrupt_delay_timer = ql2xintrdelaytimer;
+ icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
+ icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
ha->flags.process_response_queue = 1;
}
}
@@ -3442,6 +3445,30 @@ qla24xx_nvram_config(scsi_qla_host_t *ha)
if (ql2xloginretrycount)
ha->login_retry_count = ql2xloginretrycount;
+ /* Enable ZIO. */
+ if (!ha->flags.init_done) {
+ ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
+ (BIT_3 | BIT_2 | BIT_1 | BIT_0);
+ ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
+ le16_to_cpu(icb->interrupt_delay_timer): 2;
+ }
+ icb->firmware_options_2 &= __constant_cpu_to_le32(
+ ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
+ ha->flags.process_response_queue = 0;
+ if (ha->zio_mode != QLA_ZIO_DISABLED) {
+ DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
+ "(%d us).\n", ha->host_no, ha->zio_mode,
+ ha->zio_timer * 100));
+ qla_printk(KERN_INFO, ha,
+ "ZIO mode %d enabled; timer delay (%d us).\n",
+ ha->zio_mode, ha->zio_timer * 100);
+
+ icb->firmware_options_2 |= cpu_to_le32(
+ (uint32_t)ha->zio_mode);
+ icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
+ ha->flags.process_response_queue = 1;
+ }
+
if (rval) {
DEBUG2_3(printk(KERN_WARNING
"scsi(%ld): NVRAM configuration failed!\n", ha->host_no));
diff --git a/drivers/scsi/qla2xxx/qla_iocb.c b/drivers/scsi/qla2xxx/qla_iocb.c
index 37f82e2cd7f..d7355627f11 100644
--- a/drivers/scsi/qla2xxx/qla_iocb.c
+++ b/drivers/scsi/qla2xxx/qla_iocb.c
@@ -440,6 +440,11 @@ qla2x00_start_scsi(srb_t *sp)
WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), ha->req_ring_index);
RD_REG_WORD_RELAXED(ISP_REQ_Q_IN(ha, reg)); /* PCI Posting. */
+ /* Manage unprocessed RIO/ZIO commands in response queue. */
+ if (ha->flags.process_response_queue &&
+ ha->response_ring_ptr->signature != RESPONSE_PROCESSED)
+ qla2x00_process_response_queue(ha);
+
spin_unlock_irqrestore(&ha->hardware_lock, flags);
return (QLA_SUCCESS);
@@ -877,6 +882,11 @@ qla24xx_start_scsi(srb_t *sp)
WRT_REG_DWORD(&reg->req_q_in, ha->req_ring_index);
RD_REG_DWORD_RELAXED(&reg->req_q_in); /* PCI Posting. */
+ /* Manage unprocessed RIO/ZIO commands in response queue. */
+ if (ha->flags.process_response_queue &&
+ ha->response_ring_ptr->signature != RESPONSE_PROCESSED)
+ qla24xx_process_response_queue(ha);
+
spin_unlock_irqrestore(&ha->hardware_lock, flags);
return QLA_SUCCESS;
diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c
index c255bb0268a..cf6c6ce0b42 100644
--- a/drivers/scsi/qla2xxx/qla_isr.c
+++ b/drivers/scsi/qla2xxx/qla_isr.c
@@ -21,13 +21,11 @@
static void qla2x00_mbx_completion(scsi_qla_host_t *, uint16_t);
static void qla2x00_async_event(scsi_qla_host_t *, uint16_t *);
static void qla2x00_process_completed_request(struct scsi_qla_host *, uint32_t);
-void qla2x00_process_response_queue(struct scsi_qla_host *);
static void qla2x00_status_entry(scsi_qla_host_t *, void *);
static void qla2x00_status_cont_entry(scsi_qla_host_t *, sts_cont_entry_t *);
static void qla2x00_error_entry(scsi_qla_host_t *, sts_entry_t *);
static void qla2x00_ms_entry(scsi_qla_host_t *, ms_iocb_entry_t *);
-void qla24xx_process_response_queue(scsi_qla_host_t *);
static void qla24xx_ms_entry(scsi_qla_host_t *, struct ct_entry_24xx *);
/**
@@ -651,7 +649,10 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint16_t *mb)
"scsi(%ld): [R|Z]IO update completion.\n",
ha->host_no));
- qla2x00_process_response_queue(ha);
+ if (IS_QLA24XX(ha) || IS_QLA25XX(ha))
+ qla24xx_process_response_queue(ha);
+ else
+ qla2x00_process_response_queue(ha);
break;
case MBA_DISCARD_RND_FRAME:
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 7aec93f9d42..77054d7692c 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -61,19 +61,6 @@ MODULE_PARM_DESC(ql2xplogiabsentdevice,
"a Fabric scan. This is needed for several broken switches."
"Default is 0 - no PLOGI. 1 - perfom PLOGI.");
-int ql2xenablezio = 0;
-module_param(ql2xenablezio, int, S_IRUGO|S_IRUSR);
-MODULE_PARM_DESC(ql2xenablezio,
- "Option to enable ZIO:If 1 then enable it otherwise"
- " use the default set in the NVRAM."
- " Default is 0 : disabled");
-
-int ql2xintrdelaytimer = 10;
-module_param(ql2xintrdelaytimer, int, S_IRUGO|S_IRUSR);
-MODULE_PARM_DESC(ql2xintrdelaytimer,
- "ZIO: Waiting time for Firmware before it generates an "
- "interrupt to the host to notify completion of request.");
-
int ql2xloginretrycount = 0;
module_param(ql2xloginretrycount, int, S_IRUGO|S_IRUSR);
MODULE_PARM_DESC(ql2xloginretrycount,
@@ -400,16 +387,6 @@ qla2x00_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
if (rval != QLA_SUCCESS)
goto qc_host_busy_free_sp;
- /* Manage unprocessed RIO/ZIO commands in response queue. */
- if (ha->flags.online && ha->flags.process_response_queue &&
- ha->response_ring_ptr->signature != RESPONSE_PROCESSED) {
- unsigned long flags;
-
- spin_lock_irqsave(&ha->hardware_lock, flags);
- qla2x00_process_response_queue(ha);
- spin_unlock_irqrestore(&ha->hardware_lock, flags);
- }
-
spin_lock_irq(ha->host->host_lock);
return 0;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-30 23:06:18 +0000