diff options
Diffstat (limited to 'drivers/scsi/qla2xxx')
-rw-r--r-- | drivers/scsi/qla2xxx/qla_attr.c | 83 | ||||
-rw-r--r-- | drivers/scsi/qla2xxx/qla_def.h | 8 | ||||
-rw-r--r-- | drivers/scsi/qla2xxx/qla_gbl.h | 3 | ||||
-rw-r--r-- | drivers/scsi/qla2xxx/qla_init.c | 53 | ||||
-rw-r--r-- | drivers/scsi/qla2xxx/qla_iocb.c | 10 | ||||
-rw-r--r-- | drivers/scsi/qla2xxx/qla_isr.c | 7 | ||||
-rw-r--r-- | drivers/scsi/qla2xxx/qla_os.c | 23 |
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(®->req_q_in, ha->req_ring_index); RD_REG_DWORD_RELAXED(®->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; |