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author | Giridhar Malavali <giridhar.malavali@qlogic.com> | 2010-07-23 10:28:35 (GMT) |
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committer | James Bottomley <James.Bottomley@suse.de> | 2010-07-28 14:06:15 (GMT) |
commit | 4d78c973ef2d21e90ff55f97489d663a0959a93f (patch) | |
tree | 5d82916649e2578d1baad596a7d20bf951a5ed6f /drivers/scsi | |
parent | 3711333dfbeec1905c2d3521d1ed2ddcdbdbac04 (diff) | |
download | linux-fsl-qoriq-4d78c973ef2d21e90ff55f97489d663a0959a93f.tar.xz |
[SCSI] qla2xxx: Rearranged and cleaned up the code for processing the pending commands.
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Diffstat (limited to 'drivers/scsi')
-rw-r--r-- | drivers/scsi/qla2xxx/qla_def.h | 10 | ||||
-rw-r--r-- | drivers/scsi/qla2xxx/qla_gbl.h | 5 | ||||
-rw-r--r-- | drivers/scsi/qla2xxx/qla_init.c | 9 | ||||
-rw-r--r-- | drivers/scsi/qla2xxx/qla_os.c | 41 |
4 files changed, 25 insertions, 40 deletions
diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h index 7e11ccf..84e9c6b 100644 --- a/drivers/scsi/qla2xxx/qla_def.h +++ b/drivers/scsi/qla2xxx/qla_def.h @@ -2981,9 +2981,15 @@ typedef struct scsi_qla_host { #define QLA_DSDS_PER_IOCB 37 +#define CMD_SP(Cmnd) ((Cmnd)->SCp.ptr) + +enum nexus_wait_type { + WAIT_HOST = 0, + WAIT_TARGET, + WAIT_LUN, +}; + #include "qla_gbl.h" #include "qla_dbg.h" #include "qla_inline.h" - -#define CMD_SP(Cmnd) ((Cmnd)->SCp.ptr) #endif diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h index 8b0a8ca..4688ad2 100644 --- a/drivers/scsi/qla2xxx/qla_gbl.h +++ b/drivers/scsi/qla2xxx/qla_gbl.h @@ -292,7 +292,9 @@ extern int qla24xx_abort_target(struct fc_port *, unsigned int, int); extern int qla24xx_lun_reset(struct fc_port *, unsigned int, int); - +extern int +qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *, unsigned int, + unsigned int, enum nexus_wait_type); extern int qla2x00_system_error(scsi_qla_host_t *); @@ -569,7 +571,6 @@ extern int qla82xx_mbx_intr_enable(scsi_qla_host_t *); extern int qla82xx_mbx_intr_disable(scsi_qla_host_t *); extern void qla82xx_start_iocbs(srb_t *); extern int qla82xx_fcoe_ctx_reset(scsi_qla_host_t *); -extern void qla82xx_wait_for_pending_commands(scsi_qla_host_t *); /* BSG related functions */ extern int qla24xx_bsg_request(struct fc_bsg_job *); diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index f6b1052..9b58a79 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -3833,8 +3833,13 @@ qla2x00_abort_isp_cleanup(scsi_qla_host_t *vha) } /* Make sure for ISP 82XX IO DMA is complete */ - if (IS_QLA82XX(ha)) - qla82xx_wait_for_pending_commands(vha); + if (IS_QLA82XX(ha)) { + if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, + WAIT_HOST) == QLA_SUCCESS) { + DEBUG2(qla_printk(KERN_INFO, ha, + "Done wait for pending commands\n")); + } + } /* Requeue all commands in outstanding command list. */ qla2x00_abort_all_cmds(vha, DID_RESET << 16); diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index fcdbf7a..86d352a 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -903,24 +903,17 @@ qla2xxx_eh_abort(struct scsi_cmnd *cmd) return ret; } -enum nexus_wait_type { - WAIT_HOST = 0, - WAIT_TARGET, - WAIT_LUN, -}; - -static int +int qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t, - unsigned int l, srb_t *sp, enum nexus_wait_type type) + unsigned int l, enum nexus_wait_type type) { int cnt, match, status; unsigned long flags; struct qla_hw_data *ha = vha->hw; struct req_que *req; + srb_t *sp; status = QLA_SUCCESS; - if (!sp) - return status; spin_lock_irqsave(&ha->hardware_lock, flags); req = vha->req; @@ -958,24 +951,6 @@ qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t, return status; } -void qla82xx_wait_for_pending_commands(scsi_qla_host_t *vha) -{ - int cnt; - srb_t *sp; - struct req_que *req = vha->req; - - DEBUG2(qla_printk(KERN_INFO, vha->hw, - "Waiting for pending commands\n")); - for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) { - sp = req->outstanding_cmds[cnt]; - if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, - sp, WAIT_HOST) == QLA_SUCCESS) { - DEBUG2(qla_printk(KERN_INFO, vha->hw, - "Done wait for pending commands\n")); - } - } -} - static char *reset_errors[] = { "HBA not online", "HBA not ready", @@ -1011,7 +986,7 @@ __qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type, goto eh_reset_failed; err = 3; if (qla2x00_eh_wait_for_pending_commands(vha, cmd->device->id, - cmd->device->lun, (srb_t *) CMD_SP(cmd), type) != QLA_SUCCESS) + cmd->device->lun, type) != QLA_SUCCESS) goto eh_reset_failed; qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET SUCCEEDED.\n", @@ -1019,7 +994,7 @@ __qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type, return SUCCESS; - eh_reset_failed: +eh_reset_failed: qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET FAILED: %s.\n" , vha->host_no, cmd->device->id, cmd->device->lun, name, reset_errors[err]); @@ -1069,7 +1044,6 @@ qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd) int ret = FAILED; unsigned int id, lun; unsigned long serial; - srb_t *sp = (srb_t *) CMD_SP(cmd); fc_block_scsi_eh(cmd); @@ -1096,7 +1070,7 @@ qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd) goto eh_bus_reset_done; /* Flush outstanding commands. */ - if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, sp, WAIT_HOST) != + if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) != QLA_SUCCESS) ret = FAILED; @@ -1131,7 +1105,6 @@ qla2xxx_eh_host_reset(struct scsi_cmnd *cmd) int ret = FAILED; unsigned int id, lun; unsigned long serial; - srb_t *sp = (srb_t *) CMD_SP(cmd); scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev); fc_block_scsi_eh(cmd); @@ -1186,7 +1159,7 @@ qla2xxx_eh_host_reset(struct scsi_cmnd *cmd) } /* Waiting for command to be returned to OS.*/ - if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, sp, WAIT_HOST) == + if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) == QLA_SUCCESS) ret = SUCCESS; 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