Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-28 15:11:31 +00:00
Code Issues Packages Projects Releases Wiki Activity

qla2xxx: Check the QLA8044_CRB_DRV_ACTIVE_INDEX register when we are not the owner of the reset.

Browse Source 
Signed-off-by: Hiral Patel <hiral.patel@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Hiral Patel 2014-04-11 16:54:34 -04:00 committed by Christoph Hellwig
parent 1a5c69bf0c
commit a018d8ffde
3 changed files with 61 additions and 65 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/scsi/qla2xxx/qla_dbg.c
View File

@ -51,6 +51,7 @@
* | Virtual Port | 0xa007 | |
* | ISP82XX Specific | 0xb157 | 0xb002,0xb024 |
* | | | 0xb09e,0xb0ae |
* | | | 0xb0c3,0xb0c6 |
* | | | 0xb0e0-0xb0ef |
* | | | 0xb085,0xb0dc |
* | | | 0xb107,0xb108 |

124
drivers/scsi/qla2xxx/qla_nx2.c
View File

@ -1633,7 +1633,7 @@ static void
qla8044_need_reset_handler(struct scsi_qla_host *vha)
{
uint32_t dev_state = 0, drv_state, drv_active;
unsigned long reset_timeout, dev_init_timeout;
unsigned long reset_timeout;
struct qla_hw_data *ha = vha->hw;
ql_log(ql_log_fatal, vha, 0xb0c2,
@ -1647,84 +1647,78 @@ qla8044_need_reset_handler(struct scsi_qla_host *vha)
qla8044_idc_lock(ha);
}
dev_state = qla8044_rd_direct(vha,
QLA8044_CRB_DEV_STATE_INDEX);
drv_state = qla8044_rd_direct(vha,
QLA8044_CRB_DRV_STATE_INDEX);
drv_active = qla8044_rd_direct(vha,
QLA8044_CRB_DRV_ACTIVE_INDEX);
ql_log(ql_log_info, vha, 0xb0c5,
"%s(%ld): drv_state = 0x%x, drv_active = 0x%x\n",
__func__, vha->host_no, drv_state, drv_active);
"%s(%ld): drv_state = 0x%x, drv_active = 0x%x dev_state = 0x%x\n",
__func__, vha->host_no, drv_state, drv_active, dev_state);
if (!ha->flags.nic_core_reset_owner) {
ql_dbg(ql_dbg_p3p, vha, 0xb0c3,
"%s(%ld): reset acknowledged\n",
__func__, vha->host_no);
qla8044_set_rst_ready(vha);
qla8044_set_rst_ready(vha);
/* Non-reset owners ACK Reset and wait for device INIT state
* as part of Reset Recovery by Reset Owner
*/
dev_init_timeout = jiffies + (ha->fcoe_reset_timeout * HZ);
/* wait for 10 seconds for reset ack from all functions */
reset_timeout = jiffies + (ha->fcoe_reset_timeout * HZ);
do {
if (time_after_eq(jiffies, dev_init_timeout)) {
ql_log(ql_log_info, vha, 0xb0c4,
"%s: Non Reset owner: Reset Ack Timeout!\n",
__func__);
break;
}
do {
if (time_after_eq(jiffies, reset_timeout)) {
ql_log(ql_log_info, vha, 0xb0c4,
"%s: Function %d: Reset Ack Timeout!, drv_state: 0x%08x, drv_active: 0x%08x\n",
__func__, ha->portnum, drv_state, drv_active);
break;
}
qla8044_idc_unlock(ha);
msleep(1000);
qla8044_idc_lock(ha);
qla8044_idc_unlock(ha);
msleep(1000);
qla8044_idc_lock(ha);
dev_state = qla8044_rd_direct(vha,
QLA8044_CRB_DEV_STATE_INDEX);
} while (((drv_state & drv_active) != drv_active) &&
(dev_state == QLA8XXX_DEV_NEED_RESET));
dev_state = qla8044_rd_direct(vha,
QLA8044_CRB_DEV_STATE_INDEX);
drv_state = qla8044_rd_direct(vha,
QLA8044_CRB_DRV_STATE_INDEX);
drv_active = qla8044_rd_direct(vha,
QLA8044_CRB_DRV_ACTIVE_INDEX);
} while (((drv_state & drv_active) != drv_active) &&
(dev_state == QLA8XXX_DEV_NEED_RESET));
/* Remove IDC participation of functions not acknowledging */
if (drv_state != drv_active) {
ql_log(ql_log_info, vha, 0xb0c7,
"%s(%ld): Function %d turning off drv_active of non-acking function 0x%x\n",
__func__, vha->host_no, ha->portnum,
(drv_active ^ drv_state));
drv_active = drv_active & drv_state;
qla8044_wr_direct(vha, QLA8044_CRB_DRV_ACTIVE_INDEX,
drv_active);
} else {
qla8044_set_rst_ready(vha);
/* wait for 10 seconds for reset ack from all functions */
reset_timeout = jiffies + (ha->fcoe_reset_timeout * HZ);
while ((drv_state & drv_active) != drv_active) {
if (time_after_eq(jiffies, reset_timeout)) {
ql_log(ql_log_info, vha, 0xb0c6,
"%s: RESET TIMEOUT!"
"drv_state: 0x%08x, drv_active: 0x%08x\n",
QLA2XXX_DRIVER_NAME, drv_state, drv_active);
break;
}
qla8044_idc_unlock(ha);
msleep(1000);
qla8044_idc_lock(ha);
drv_state = qla8044_rd_direct(vha,
QLA8044_CRB_DRV_STATE_INDEX);
drv_active = qla8044_rd_direct(vha,
QLA8044_CRB_DRV_ACTIVE_INDEX);
}
if (drv_state != drv_active) {
ql_log(ql_log_info, vha, 0xb0c7,
"%s(%ld): Reset_owner turning off drv_active "
"of non-acking function 0x%x\n", __func__,
vha->host_no, (drv_active ^ drv_state));
drv_active = drv_active & drv_state;
qla8044_wr_direct(vha, QLA8044_CRB_DRV_ACTIVE_INDEX,
drv_active);
}
/*
* Clear RESET OWNER, will be set at next reset
* by next RST_OWNER
*/
ha->flags.nic_core_reset_owner = 0;
* Reset owner should execute reset recovery,
* if all functions acknowledged
*/
if ((ha->flags.nic_core_reset_owner) &&
(dev_state == QLA8XXX_DEV_NEED_RESET)) {
ha->flags.nic_core_reset_owner = 0;
qla8044_device_bootstrap(vha);
return;
}
}
/* Start Reset Recovery */
/* Exit if non active function */
if (!(drv_active & (1 << ha->portnum))) {
ha->flags.nic_core_reset_owner = 0;
return;
}
/*
* Execute Reset Recovery if Reset Owner or Function 7
* is the only active function
*/
if (ha->flags.nic_core_reset_owner ||
((drv_state & drv_active) == QLA8044_FUN7_ACTIVE_INDEX)) {
ha->flags.nic_core_reset_owner = 0;
qla8044_device_bootstrap(vha);
}
}

1
drivers/scsi/qla2xxx/qla_nx2.h
View File

@ -133,6 +133,7 @@
#define QLA8044_LINK_SPEED(f) (0x36E0+(((f) >> 2) * 4))
#define QLA8044_MAX_LINK_SPEED(f) (0x36F0+(((f) / 4) * 4))
#define QLA8044_LINK_SPEED_FACTOR 10
#define QLA8044_FUN7_ACTIVE_INDEX 0x80
/* FLASH API Defines */
#define QLA8044_FLASH_MAX_WAIT_USEC 100