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[SCSI] qla4xxx: Use correct flash ddb offset for ISP40XX 

Use correct flash ddb offset to add and delete flash target
entries for ISP40XX

Signed-off-by: Adheer Chandravanshi <adheer.chandravanshi@qlogic.com>
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
Adheer Chandravanshi 2013-04-05 07:06:06 -04:00 committed by James Bottomley
parent 4eeb587e4b
commit 039acc1e70
2 changed files with 43 additions and 21 deletions
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7
drivers/scsi/qla4xxx/ql4_mbx.c
View File

@ -1421,7 +1421,7 @@ int qla4xxx_flashdb_by_index(struct scsi_qla_host *ha,
struct dev_db_entry *fw_ddb_entry,
dma_addr_t fw_ddb_entry_dma, uint16_t ddb_index)
{
uint32_t dev_db_start_offset = FLASH_OFFSET_DB_INFO;
uint32_t dev_db_start_offset;
uint32_t dev_db_end_offset;
int status = QLA_ERROR;
@ -1429,6 +1429,7 @@ int qla4xxx_flashdb_by_index(struct scsi_qla_host *ha,
if (is_qla40XX(ha)) {
dev_db_start_offset = FLASH_OFFSET_DB_INFO;
dev_db_end_offset = FLASH_OFFSET_DB_END;
} else {
dev_db_start_offset = FLASH_RAW_ACCESS_ADDR +
(ha->hw.flt_region_ddb << 2);
@ -1437,9 +1438,11 @@ int qla4xxx_flashdb_by_index(struct scsi_qla_host *ha,
*/
if (ha->port_num == 1)
dev_db_start_offset += (ha->hw.flt_ddb_size / 2);
dev_db_end_offset = dev_db_start_offset +
(ha->hw.flt_ddb_size / 2);
}
dev_db_end_offset = dev_db_start_offset + (ha->hw.flt_ddb_size / 2);
dev_db_start_offset += (ddb_index * sizeof(*fw_ddb_entry));
if (dev_db_start_offset > dev_db_end_offset) {

57
drivers/scsi/qla4xxx/ql4_os.c
View File

@ -6582,6 +6582,8 @@ static int qla4xxx_sysfs_ddb_delete(struct iscsi_bus_flash_session *fnode_sess)
struct dev_db_entry *fw_ddb_entry = NULL;
dma_addr_t fw_ddb_entry_dma;
uint16_t *ddb_cookie = NULL;
size_t ddb_size;
void *pddb = NULL;
int target_id;
int rc = 0;
@ -6601,18 +6603,12 @@ static int qla4xxx_sysfs_ddb_delete(struct iscsi_bus_flash_session *fnode_sess)
if (fnode_sess->flash_state == DEV_DB_NON_PERSISTENT)
goto sysfs_ddb_del;
ddb_cookie = dma_alloc_coherent(&ha->pdev->dev, sizeof(*ddb_cookie),
&fw_ddb_entry_dma, GFP_KERNEL);
if (!ddb_cookie) {
rc = -ENOMEM;
DEBUG2(ql4_printk(KERN_ERR, ha,
"%s: Unable to allocate dma buffer\n",
__func__));
goto exit_ddb_del;
}
if (is_qla40XX(ha)) {
dev_db_start_offset = FLASH_OFFSET_DB_INFO;
dev_db_end_offset = FLASH_OFFSET_DB_END;
dev_db_start_offset += (fnode_sess->target_id *
sizeof(*fw_ddb_entry));
ddb_size = sizeof(*fw_ddb_entry);
} else {
dev_db_start_offset = FLASH_RAW_ACCESS_ADDR +
(ha->hw.flt_region_ddb << 2);
@ -6621,12 +6617,17 @@ static int qla4xxx_sysfs_ddb_delete(struct iscsi_bus_flash_session *fnode_sess)
*/
if (ha->port_num == 1)
dev_db_start_offset += (ha->hw.flt_ddb_size / 2);
}
dev_db_end_offset = dev_db_start_offset + (ha->hw.flt_ddb_size / 2);
dev_db_start_offset += (fnode_sess->target_id * sizeof(*fw_ddb_entry));
dev_db_start_offset += (void *)&(fw_ddb_entry->cookie) -
(void *)fw_ddb_entry;
dev_db_end_offset = dev_db_start_offset +
(ha->hw.flt_ddb_size / 2);
dev_db_start_offset += (fnode_sess->target_id *
sizeof(*fw_ddb_entry));
dev_db_start_offset += (void *)&(fw_ddb_entry->cookie) -
(void *)fw_ddb_entry;
ddb_size = sizeof(*ddb_cookie);
}
DEBUG2(ql4_printk(KERN_ERR, ha, "%s: start offset=%u, end offset=%u\n",
__func__, dev_db_start_offset, dev_db_end_offset));
@ -6638,10 +6639,28 @@ static int qla4xxx_sysfs_ddb_delete(struct iscsi_bus_flash_session *fnode_sess)
goto exit_ddb_del;
}
pddb = dma_alloc_coherent(&ha->pdev->dev, ddb_size,
&fw_ddb_entry_dma, GFP_KERNEL);
if (!pddb) {
rc = -ENOMEM;
DEBUG2(ql4_printk(KERN_ERR, ha,
"%s: Unable to allocate dma buffer\n",
__func__));
goto exit_ddb_del;
}
if (is_qla40XX(ha)) {
fw_ddb_entry = pddb;
memset(fw_ddb_entry, 0, ddb_size);
ddb_cookie = &fw_ddb_entry->cookie;
} else {
ddb_cookie = pddb;
}
/* invalidate the cookie */
*ddb_cookie = 0xFFEE;
qla4xxx_set_flash(ha, fw_ddb_entry_dma, dev_db_start_offset,
sizeof(*ddb_cookie), FLASH_OPT_RMW_COMMIT);
ddb_size, FLASH_OPT_RMW_COMMIT);
sysfs_ddb_del:
target_id = fnode_sess->target_id;
@ -6650,9 +6669,9 @@ sysfs_ddb_del:
"%s: session and conn entries for flashnode %u of host %lu deleted\n",
__func__, target_id, ha->host_no);
exit_ddb_del:
if (ddb_cookie)
dma_free_coherent(&ha->pdev->dev, sizeof(*ddb_cookie),
ddb_cookie, fw_ddb_entry_dma);
if (pddb)
dma_free_coherent(&ha->pdev->dev, ddb_size, pddb,
fw_ddb_entry_dma);
return rc;
}