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authorMadhuranath Iyengar <madhuranath.iyengar@qlogic.com>2010-05-04 15:01:28 -0700
committerJames Bottomley <James.Bottomley@suse.de>2010-05-16 18:21:56 -0400
commit4916392b56921b4aaaeaca3ef492135f42fbb5f2 (patch)
tree6f3a209b1386b74009c197978e677afa04f0d651 /drivers/scsi/qla2xxx/qla_def.h
parentb7d2280c153b33fc60f1a89406d2329137a8b61c (diff)
[SCSI] qla2xxx: Provide common framework for BSG and IOCB commands.
Currently, BSG and IOCB/Logio commands have a different framework (srb structs). The purpose of this effort is to consolidate them into a generalized framework for these as well as other asynchronous operations in the future. Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_def.h')
-rw-r--r--drivers/scsi/qla2xxx/qla_def.h48
1 files changed, 23 insertions, 25 deletions
diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
index a491338e1bfe..08f5fd5359dd 100644
--- a/drivers/scsi/qla2xxx/qla_def.h
+++ b/drivers/scsi/qla2xxx/qla_def.h
@@ -214,16 +214,16 @@ typedef struct srb {
/*
* SRB extensions.
*/
-#define SRB_LOGIN_CMD 1
-#define SRB_LOGOUT_CMD 2
-#define SRB_ELS_CMD_RPT 3
-#define SRB_ELS_CMD_HST 4
-#define SRB_CT_CMD 5
-#define SRB_ADISC_CMD 6
-
-struct srb_ctx {
- uint16_t type;
- char *name;
+struct srb_iocb {
+ union {
+ struct {
+ uint16_t flags;
+#define SRB_LOGIN_RETRIED BIT_0
+#define SRB_LOGIN_COND_PLOGI BIT_1
+#define SRB_LOGIN_SKIP_PRLI BIT_2
+ uint16_t data[2];
+ } logio;
+ } u;
struct timer_list timer;
@@ -232,23 +232,21 @@ struct srb_ctx {
void (*timeout)(srb_t *);
};
-struct srb_logio {
- struct srb_ctx ctx;
-
-#define SRB_LOGIN_RETRIED BIT_0
-#define SRB_LOGIN_COND_PLOGI BIT_1
-#define SRB_LOGIN_SKIP_PRLI BIT_2
- uint16_t flags;
- uint16_t data[2];
-};
+/* Values for srb_ctx type */
+#define SRB_LOGIN_CMD 1
+#define SRB_LOGOUT_CMD 2
+#define SRB_ELS_CMD_RPT 3
+#define SRB_ELS_CMD_HST 4
+#define SRB_CT_CMD 5
+#define SRB_ADISC_CMD 6
-struct srb_bsg_ctx {
+struct srb_ctx {
uint16_t type;
-};
-
-struct srb_bsg {
- struct srb_bsg_ctx ctx;
- struct fc_bsg_job *bsg_job;
+ char *name;
+ union {
+ struct srb_iocb *iocb_cmd;
+ struct fc_bsg_job *bsg_job;
+ } u;
};
struct msg_echo_lb {