[SCSI] qla2xxx: Add QoS support.
Set the number of request queues to the module paramater
ql2xmaxqueues. Each vport gets a request queue. The QoS value
set to the request queues determines priority control for queued
IOs. If QoS value is not specified, the vports use the default
queue 0.
Signed-off-by: Anirban Chakraborty <anirban.chakraborty@qlogic.com>
Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
index 645cfd9..57d659c 100644
--- a/drivers/scsi/qla2xxx/qla_def.h
+++ b/drivers/scsi/qla2xxx/qla_def.h
@@ -93,6 +93,7 @@
#define LSD(x) ((uint32_t)((uint64_t)(x)))
#define MSD(x) ((uint32_t)((((uint64_t)(x)) >> 16) >> 16))
+#define MAKE_HANDLE(x, y) ((uint32_t)((((uint32_t)(x)) << 16) | (uint32_t)(y)))
/*
* I/O register
@@ -179,6 +180,7 @@
#define REQUEST_ENTRY_CNT_24XX 2048 /* Number of request entries. */
#define RESPONSE_ENTRY_CNT_2100 64 /* Number of response entries.*/
#define RESPONSE_ENTRY_CNT_2300 512 /* Number of response entries.*/
+#define RESPONSE_ENTRY_CNT_MQ 128 /* Number of response entries.*/
struct req_que;
@@ -2008,7 +2010,8 @@
#define VP_RET_CODE_NOT_FOUND 6
struct qla_hw_data;
-
+struct req_que;
+struct rsp_que;
/*
* ISP operations
*/
@@ -2030,10 +2033,9 @@
void (*enable_intrs) (struct qla_hw_data *);
void (*disable_intrs) (struct qla_hw_data *);
- int (*abort_command) (struct scsi_qla_host *, srb_t *,
- struct req_que *);
- int (*target_reset) (struct fc_port *, unsigned int);
- int (*lun_reset) (struct fc_port *, unsigned int);
+ int (*abort_command) (srb_t *);
+ int (*target_reset) (struct fc_port *, unsigned int, int);
+ int (*lun_reset) (struct fc_port *, unsigned int, int);
int (*fabric_login) (struct scsi_qla_host *, uint16_t, uint8_t,
uint8_t, uint8_t, uint16_t *, uint8_t);
int (*fabric_logout) (struct scsi_qla_host *, uint16_t, uint8_t,
@@ -2079,7 +2081,6 @@
#define QLA_PCI_MSIX_CONTROL 0xa2
struct scsi_qla_host;
-struct rsp_que;
struct qla_msix_entry {
int have_irq;
@@ -2140,7 +2141,6 @@
#define MBC_INITIALIZE_MULTIQ 0x1f
#define QLA_QUE_PAGE 0X1000
#define QLA_MQ_SIZE 32
-#define QLA_MAX_HOST_QUES 16
#define QLA_MAX_QUEUES 256
#define ISP_QUE_REG(ha, id) \
((ha->mqenable) ? \
@@ -2170,6 +2170,7 @@
struct qla_hw_data *hw;
struct qla_msix_entry *msix;
struct req_que *req;
+ srb_t *status_srb; /* status continuation entry */
};
/* Request queue data structure */
@@ -2246,7 +2247,8 @@
struct rsp_que **rsp_q_map;
unsigned long req_qid_map[(QLA_MAX_QUEUES / 8) / sizeof(unsigned long)];
unsigned long rsp_qid_map[(QLA_MAX_QUEUES / 8) / sizeof(unsigned long)];
- uint16_t max_queues;
+ uint8_t max_req_queues;
+ uint8_t max_rsp_queues;
struct qla_npiv_entry *npiv_info;
uint16_t nvram_npiv_size;
@@ -2532,6 +2534,7 @@
uint16_t num_vsans; /* number of vsan created */
uint16_t max_npiv_vports; /* 63 or 125 per topoloty */
int cur_vport_count;
+ uint16_t flex_port_count;
struct qla_chip_state_84xx *cs84xx;
struct qla_statistics qla_stats;
@@ -2591,8 +2594,6 @@
#define SWITCH_FOUND BIT_0
#define DFLG_NO_CABLE BIT_1
- srb_t *status_srb; /* Status continuation entry. */
-
/* ISP configuration data. */
uint16_t loop_id; /* Host adapter loop id */
@@ -2648,7 +2649,7 @@
#define VP_ERR_FAB_LOGOUT 4
#define VP_ERR_ADAP_NORESOURCES 5
struct qla_hw_data *hw;
- int req_ques[QLA_MAX_HOST_QUES];
+ struct req_que *req;
} scsi_qla_host_t;
/*