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path: root/drivers/scsi/lpfc/lpfc.h
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Diffstat (limited to 'drivers/scsi/lpfc/lpfc.h')
-rw-r--r--drivers/scsi/lpfc/lpfc.h14
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h
index 3062b39fbdb9..38ffa8d6e629 100644
--- a/drivers/scsi/lpfc/lpfc.h
+++ b/drivers/scsi/lpfc/lpfc.h
@@ -29,9 +29,10 @@ struct lpfc_sli2_slim;
#define LPFC_LC_HBA_Q_DEPTH 1024 /* max cmds per low cost hba */
#define LPFC_LP101_HBA_Q_DEPTH 128 /* max cmds per low cost hba */
-#define LPFC_CMD_PER_LUN 30 /* max outstanding cmds per lun */
+#define LPFC_CMD_PER_LUN 3 /* max outstanding cmds per lun */
#define LPFC_SG_SEG_CNT 64 /* sg element count per scsi cmnd */
#define LPFC_IOCB_LIST_CNT 2250 /* list of IOCBs for fast-path usage. */
+#define LPFC_Q_RAMP_UP_INTERVAL 120 /* lun q_depth ramp up interval */
/* Define macros for 64 bit support */
#define putPaddrLow(addr) ((uint32_t) (0xffffffff & (u64)(addr)))
@@ -45,6 +46,11 @@ struct lpfc_sli2_slim;
#define MAX_HBAEVT 32
+enum lpfc_polling_flags {
+ ENABLE_FCP_RING_POLLING = 0x1,
+ DISABLE_FCP_RING_INT = 0x2
+};
+
/* Provide DMA memory definitions the driver uses per port instance. */
struct lpfc_dmabuf {
struct list_head list;
@@ -167,6 +173,7 @@ struct lpfc_hba {
dma_addr_t slim2p_mapping;
uint16_t pci_cfg_value;
+ struct semaphore hba_can_block;
uint32_t hba_state;
#define LPFC_INIT_START 1 /* Initial state after board reset */
@@ -286,6 +293,8 @@ struct lpfc_hba {
uint32_t cfg_fcp_bind_method;
uint32_t cfg_discovery_threads;
uint32_t cfg_max_luns;
+ uint32_t cfg_poll;
+ uint32_t cfg_poll_tmo;
uint32_t cfg_sg_seg_cnt;
uint32_t cfg_sg_dma_buf_size;
@@ -337,7 +346,9 @@ struct lpfc_hba {
#define VPD_PORT 0x8 /* valid vpd port data */
#define VPD_MASK 0xf /* mask for any vpd data */
+ struct timer_list fcp_poll_timer;
struct timer_list els_tmofunc;
+
/*
* stat counters
*/
@@ -348,6 +359,7 @@ struct lpfc_hba {
struct lpfc_sysfs_mbox sysfs_mbox;
/* fastpath list. */
+ spinlock_t scsi_buf_list_lock;
struct list_head lpfc_scsi_buf_list;
uint32_t total_scsi_bufs;
struct list_head lpfc_iocb_list;