sugar/linux
1
0
Fork 0
Code Activity

[SCSI] qla2xxx: Determine the number of outstanding commands based on available resources.

Browse Source 
Base the number of outstanding requests the driver will keep track of on the
available resources instead of being hard-coded.

Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
Chad Dupuis
2013-01-30 03:34:37 -05:00
committed by James Bottomley
parent 6d1f6621fa
commit 8d93f55022
13 changed files with 110 additions and 47 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
drivers/scsi/qla2xxx/qla_def.h
View File

@@ -253,8 +253,8 @@
#define LOOP_DOWN_TIME 255 /* 240 */
#define LOOP_DOWN_RESET (LOOP_DOWN_TIME - 30)
/* Maximum outstanding commands in ISP queues (1-65535) */
#define MAX_OUTSTANDING_COMMANDS 1024
#define DEFAULT_OUTSTANDING_COMMANDS 1024
#define MIN_OUTSTANDING_COMMANDS 128
/* ISP request and response entry counts (37-65535) */
#define REQUEST_ENTRY_CNT_2100 128 /* Number of request entries. */
@@ -2533,8 +2533,9 @@ struct req_que {
uint16_t qos;
uint16_t vp_idx;
struct rsp_que *rsp;
srb_t *outstanding_cmds[MAX_OUTSTANDING_COMMANDS];
srb_t **outstanding_cmds;
uint32_t current_outstanding_cmd;
uint16_t num_outstanding_cmds;
int max_q_depth;
};
@@ -2561,7 +2562,7 @@ struct qlt_hw_data {
void *target_lport_ptr;
struct qla_tgt_func_tmpl *tgt_ops;
struct qla_tgt *qla_tgt;
struct qla_tgt_cmd *cmds[MAX_OUTSTANDING_COMMANDS];
struct qla_tgt_cmd *cmds[DEFAULT_OUTSTANDING_COMMANDS];
uint16_t current_handle;
struct qla_tgt_vp_map *tgt_vp_map;
@@ -2887,6 +2888,7 @@ struct qla_hw_data {
#define RISC_START_ADDRESS_2300 0x800
#define RISC_START_ADDRESS_2400 0x100000
uint16_t fw_xcb_count;
uint16_t fw_iocb_count;
uint16_t fw_options[16]; /* slots: 1,2,3,10,11 */
uint8_t fw_seriallink_options[4];
@@ -3248,8 +3250,6 @@ struct qla_tgt_vp_map {
#define NVRAM_DELAY() udelay(10)
#define INVALID_HANDLE (MAX_OUTSTANDING_COMMANDS+1)
/*
* Flash support definitions
*/