diff options
| author | Nilesh Javali <nilesh.javali@qlogic.com> | 2013-12-16 15:49:40 +0400 |
|---|---|---|
| committer | James Bottomley <JBottomley@Parallels.com> | 2014-03-15 21:19:13 +0400 |
| commit | de2efea62bc50d1277cd8ad91e00aac4bb793146 (patch) | |
| tree | 38d92127a863ac7d3c1d5e3b7e6212f8cc54fdeb /drivers/scsi | |
| parent | bb5649f3eb43f47d07fdfbfbc1ce5b0dd2aef546 (diff) | |
| download | linux-de2efea62bc50d1277cd8ad91e00aac4bb793146.tar.xz | |
[SCSI] qla4xxx: Clear DDB index map upon connection close failure
Issue:
qla4xxx Unable to clear DDB indices when logout fails due to
failure of connection close mbox command.
Root cause:
If login to session fail, iscsiadm make call to destroy_session.
qla4xxx driver does not free ddb index map before free_ddb()
Fix:
Clear DDB Index map before free_ddb in "destroy_session"
in case of connection close mailbox command failure with 4005h.
Signed-off-by: Nilesh Javali <nilesh.javali@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>
Diffstat (limited to 'drivers/scsi')
| -rw-r--r-- | drivers/scsi/qla4xxx/ql4_def.h | 2 | ||||
| -rw-r--r-- | drivers/scsi/qla4xxx/ql4_fw.h | 1 | ||||
| -rw-r--r-- | drivers/scsi/qla4xxx/ql4_mbx.c | 4 | ||||
| -rw-r--r-- | drivers/scsi/qla4xxx/ql4_os.c | 4 |
4 files changed, 10 insertions, 1 deletions
diff --git a/drivers/scsi/qla4xxx/ql4_def.h b/drivers/scsi/qla4xxx/ql4_def.h index 4e1113370faf..33eae2e12dba 100644 --- a/drivers/scsi/qla4xxx/ql4_def.h +++ b/drivers/scsi/qla4xxx/ql4_def.h @@ -297,6 +297,8 @@ struct ddb_entry { /* Driver Re-login */ unsigned long flags; /* DDB Flags */ +#define DDB_CONN_CLOSE_FAILURE 0 /* 0x00000001 */ + uint16_t default_relogin_timeout; /* Max time to wait for * relogin to complete */ atomic_t retry_relogin_timer; /* Min Time between relogins diff --git a/drivers/scsi/qla4xxx/ql4_fw.h b/drivers/scsi/qla4xxx/ql4_fw.h index e3242df75b98..a94593ab0067 100644 --- a/drivers/scsi/qla4xxx/ql4_fw.h +++ b/drivers/scsi/qla4xxx/ql4_fw.h @@ -390,6 +390,7 @@ struct qla_flt_region { #define MBOX_CMD_CLEAR_DATABASE_ENTRY 0x0031 #define MBOX_CMD_CONN_OPEN 0x0074 #define MBOX_CMD_CONN_CLOSE_SESS_LOGOUT 0x0056 +#define DDB_NOT_LOGGED_IN 0x09 #define LOGOUT_OPTION_CLOSE_SESSION 0x0002 #define LOGOUT_OPTION_RELOGIN 0x0004 #define LOGOUT_OPTION_FREE_DDB 0x0008 diff --git a/drivers/scsi/qla4xxx/ql4_mbx.c b/drivers/scsi/qla4xxx/ql4_mbx.c index 9ae8ca3b69f9..f0dc6b321c8d 100644 --- a/drivers/scsi/qla4xxx/ql4_mbx.c +++ b/drivers/scsi/qla4xxx/ql4_mbx.c @@ -1002,6 +1002,10 @@ int qla4xxx_session_logout_ddb(struct scsi_qla_host *ha, "%s: MBOX_CMD_CONN_CLOSE_SESS_LOGOUT " "failed sts %04X %04X", __func__, mbox_sts[0], mbox_sts[1])); + if ((mbox_sts[0] == MBOX_STS_COMMAND_ERROR) && + (mbox_sts[1] == DDB_NOT_LOGGED_IN)) { + set_bit(DDB_CONN_CLOSE_FAILURE, &ddb_entry->flags); + } } return status; diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c index a78edc3b3d3b..3fec116e2724 100644 --- a/drivers/scsi/qla4xxx/ql4_os.c +++ b/drivers/scsi/qla4xxx/ql4_os.c @@ -3074,6 +3074,7 @@ qla4xxx_session_create(struct iscsi_endpoint *ep, ddb_entry->sess = cls_sess; ddb_entry->unblock_sess = qla4xxx_unblock_ddb; ddb_entry->ddb_change = qla4xxx_ddb_change; + clear_bit(DDB_CONN_CLOSE_FAILURE, &ddb_entry->flags); cls_sess->recovery_tmo = ql4xsess_recovery_tmo; ha->fw_ddb_index_map[ddb_entry->fw_ddb_index] = ddb_entry; ha->tot_ddbs++; @@ -3123,7 +3124,8 @@ static void qla4xxx_session_destroy(struct iscsi_cls_session *cls_sess) destroy_session: qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index); - + if (test_and_clear_bit(DDB_CONN_CLOSE_FAILURE, &ddb_entry->flags)) + clear_bit(ddb_entry->fw_ddb_index, ha->ddb_idx_map); spin_lock_irqsave(&ha->hardware_lock, flags); qla4xxx_free_ddb(ha, ddb_entry); spin_unlock_irqrestore(&ha->hardware_lock, flags); |