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path: root/drivers/scsi/lpfc/lpfc_sli.h
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Diffstat (limited to 'drivers/scsi/lpfc/lpfc_sli.h')
-rw-r--r--drivers/scsi/lpfc/lpfc_sli.h124
1 files changed, 92 insertions, 32 deletions
diff --git a/drivers/scsi/lpfc/lpfc_sli.h b/drivers/scsi/lpfc/lpfc_sli.h
index 883938652a6..edb48832c39 100644
--- a/drivers/scsi/lpfc/lpfc_sli.h
+++ b/drivers/scsi/lpfc/lpfc_sli.h
@@ -1,7 +1,7 @@
/*******************************************************************
* This file is part of the Emulex Linux Device Driver for *
* Fibre Channel Host Bus Adapters. *
- * Copyright (C) 2004-2007 Emulex. All rights reserved. *
+ * Copyright (C) 2004-2014 Emulex. All rights reserved. *
* EMULEX and SLI are trademarks of Emulex. *
* www.emulex.com *
* *
@@ -29,27 +29,59 @@ typedef enum _lpfc_ctx_cmd {
LPFC_CTX_HOST
} lpfc_ctx_cmd;
+struct lpfc_cq_event {
+ struct list_head list;
+ union {
+ struct lpfc_mcqe mcqe_cmpl;
+ struct lpfc_acqe_link acqe_link;
+ struct lpfc_acqe_fip acqe_fip;
+ struct lpfc_acqe_dcbx acqe_dcbx;
+ struct lpfc_acqe_grp5 acqe_grp5;
+ struct lpfc_acqe_fc_la acqe_fc;
+ struct lpfc_acqe_sli acqe_sli;
+ struct lpfc_rcqe rcqe_cmpl;
+ struct sli4_wcqe_xri_aborted wcqe_axri;
+ struct lpfc_wcqe_complete wcqe_cmpl;
+ } cqe;
+};
+
/* This structure is used to handle IOCB requests / responses */
struct lpfc_iocbq {
/* lpfc_iocbqs are used in double linked lists */
struct list_head list;
struct list_head clist;
+ struct list_head dlist;
uint16_t iotag; /* pre-assigned IO tag */
- uint16_t rsvd1;
+ uint16_t sli4_lxritag; /* logical pre-assigned XRI. */
+ uint16_t sli4_xritag; /* pre-assigned XRI, (OXID) tag. */
+ struct lpfc_cq_event cq_event;
IOCB_t iocb; /* IOCB cmd */
uint8_t retry; /* retry counter for IOCB cmd - if needed */
- uint8_t iocb_flag;
+ uint32_t iocb_flag;
#define LPFC_IO_LIBDFC 1 /* libdfc iocb */
-#define LPFC_IO_WAKE 2 /* High Priority Queue signal flag */
+#define LPFC_IO_WAKE 2 /* Synchronous I/O completed */
+#define LPFC_IO_WAKE_TMO LPFC_IO_WAKE /* Synchronous I/O timed out */
#define LPFC_IO_FCP 4 /* FCP command -- iocbq in scsi_buf */
#define LPFC_DRIVER_ABORTED 8 /* driver aborted this request */
#define LPFC_IO_FABRIC 0x10 /* Iocb send using fabric scheduler */
#define LPFC_DELAY_MEM_FREE 0x20 /* Defer free'ing of FC data */
+#define LPFC_EXCHANGE_BUSY 0x40 /* SLI4 hba reported XB in response */
+#define LPFC_USE_FCPWQIDX 0x80 /* Submit to specified FCPWQ index */
+#define DSS_SECURITY_OP 0x100 /* security IO */
+#define LPFC_IO_ON_TXCMPLQ 0x200 /* The IO is still on the TXCMPLQ */
+#define LPFC_IO_DIF_PASS 0x400 /* T10 DIF IO pass-thru prot */
+#define LPFC_IO_DIF_STRIP 0x800 /* T10 DIF IO strip prot */
+#define LPFC_IO_DIF_INSERT 0x1000 /* T10 DIF IO insert prot */
+#define LPFC_IO_CMD_OUTSTANDING 0x2000 /* timeout handler abort window */
+
+#define LPFC_FIP_ELS_ID_MASK 0xc000 /* ELS_ID range 0-3, non-shifted mask */
+#define LPFC_FIP_ELS_ID_SHIFT 14
+
+#define LPFC_IO_OAS 0x10000 /* OAS FCP IO */
- uint8_t abort_count;
- uint8_t rsvd2;
uint32_t drvrTimeout; /* driver timeout in seconds */
+ uint32_t fcp_wqidx; /* index to FCP work queue */
struct lpfc_vport *vport;/* virtual port pointer */
void *context1; /* caller context information */
void *context2; /* caller context information */
@@ -59,13 +91,15 @@ struct lpfc_iocbq {
struct lpfc_iocbq *rsp_iocb;
struct lpfcMboxq *mbox;
struct lpfc_nodelist *ndlp;
+ struct lpfc_node_rrq *rrq;
} context_un;
void (*fabric_iocb_cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
struct lpfc_iocbq *);
+ void (*wait_iocb_cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
+ struct lpfc_iocbq *);
void (*iocb_cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
struct lpfc_iocbq *);
-
};
#define SLI_IOCB_RET_IOCB 1 /* Return IOCB if cmd ring full */
@@ -81,23 +115,32 @@ struct lpfc_iocbq {
typedef struct lpfcMboxq {
/* MBOXQs are used in single linked lists */
struct list_head list; /* ptr to next mailbox command */
- MAILBOX_t mb; /* Mailbox cmd */
- struct lpfc_vport *vport;/* virutal port pointer */
+ union {
+ MAILBOX_t mb; /* Mailbox cmd */
+ struct lpfc_mqe mqe;
+ } u;
+ struct lpfc_vport *vport;/* virtual port pointer */
void *context1; /* caller context information */
void *context2; /* caller context information */
void (*mbox_cmpl) (struct lpfc_hba *, struct lpfcMboxq *);
uint8_t mbox_flag;
-
+ uint16_t in_ext_byte_len;
+ uint16_t out_ext_byte_len;
+ uint8_t mbox_offset_word;
+ struct lpfc_mcqe mcqe;
+ struct lpfc_mbx_nembed_sge_virt *sge_array;
} LPFC_MBOXQ_t;
#define MBX_POLL 1 /* poll mailbox till command done, then
return */
#define MBX_NOWAIT 2 /* issue command then return immediately */
-#define LPFC_MAX_RING_MASK 4 /* max num of rctl/type masks allowed per
+#define LPFC_MAX_RING_MASK 5 /* max num of rctl/type masks allowed per
ring */
-#define LPFC_MAX_RING 4 /* max num of SLI rings used by driver */
+#define LPFC_SLI3_MAX_RING 4 /* Max num of SLI3 rings used by driver.
+ For SLI4, an additional ring for each
+ FCP WQ will be allocated. */
struct lpfc_sli_ring;
@@ -124,6 +167,24 @@ struct lpfc_sli_ring_stat {
uint64_t iocb_rsp_full; /* IOCB rsp ring full */
};
+struct lpfc_sli3_ring {
+ uint32_t local_getidx; /* last available cmd index (from cmdGetInx) */
+ uint32_t next_cmdidx; /* next_cmd index */
+ uint32_t rspidx; /* current index in response ring */
+ uint32_t cmdidx; /* current index in command ring */
+ uint16_t numCiocb; /* number of command iocb's per ring */
+ uint16_t numRiocb; /* number of rsp iocb's per ring */
+ uint16_t sizeCiocb; /* Size of command iocb's in this ring */
+ uint16_t sizeRiocb; /* Size of response iocb's in this ring */
+ uint32_t *cmdringaddr; /* virtual address for cmd rings */
+ uint32_t *rspringaddr; /* virtual address for rsp rings */
+};
+
+struct lpfc_sli4_ring {
+ struct lpfc_queue *wqp; /* Pointer to associated WQ */
+};
+
+
/* Structure used to hold SLI ring information */
struct lpfc_sli_ring {
uint16_t flag; /* ring flags */
@@ -132,16 +193,10 @@ struct lpfc_sli_ring {
#define LPFC_STOP_IOCB_EVENT 0x020 /* Stop processing IOCB cmds event */
uint16_t abtsiotag; /* tracks next iotag to use for ABTS */
- uint32_t local_getidx; /* last available cmd index (from cmdGetInx) */
- uint32_t next_cmdidx; /* next_cmd index */
- uint32_t rspidx; /* current index in response ring */
- uint32_t cmdidx; /* current index in command ring */
uint8_t rsvd;
uint8_t ringno; /* ring number */
- uint16_t numCiocb; /* number of command iocb's per ring */
- uint16_t numRiocb; /* number of rsp iocb's per ring */
- uint16_t sizeCiocb; /* Size of command iocb's in this ring */
- uint16_t sizeRiocb; /* Size of response iocb's in this ring */
+
+ spinlock_t ring_lock; /* lock for issuing commands */
uint32_t fast_iotag; /* max fastlookup based iotag */
uint32_t iotag_ctr; /* keeps track of the next iotag to use */
@@ -152,8 +207,6 @@ struct lpfc_sli_ring {
struct list_head txcmplq;
uint16_t txcmplq_cnt; /* current length of queue */
uint16_t txcmplq_max; /* max length */
- uint32_t *cmdringaddr; /* virtual address for cmd rings */
- uint32_t *rspringaddr; /* virtual address for rsp rings */
uint32_t missbufcnt; /* keep track of buffers to post */
struct list_head postbufq;
uint16_t postbufq_cnt; /* current length of queue */
@@ -173,6 +226,10 @@ struct lpfc_sli_ring {
/* cmd ring available */
void (*lpfc_sli_cmd_available) (struct lpfc_hba *,
struct lpfc_sli_ring *);
+ union {
+ struct lpfc_sli3_ring sli3;
+ struct lpfc_sli4_ring sli4;
+ } sli;
};
/* Structure used for configuring rings to a specific profile or rctl / type */
@@ -205,6 +262,8 @@ struct lpfc_sli_stat {
uint64_t mbox_stat_err; /* Mbox cmds completed status error */
uint64_t mbox_cmd; /* Mailbox commands issued */
uint64_t sli_intr; /* Count of Host Attention interrupts */
+ uint64_t sli_prev_intr; /* Previous cnt of Host Attention interrupts */
+ uint64_t sli_ips; /* Host Attention interrupts per sec */
uint32_t err_attn_event; /* Error Attn event counters */
uint32_t link_event; /* Link event counters */
uint32_t mbox_event; /* Mailbox event counters */
@@ -230,12 +289,13 @@ struct lpfc_sli {
/* Additional sli_flags */
#define LPFC_SLI_MBOX_ACTIVE 0x100 /* HBA mailbox is currently active */
-#define LPFC_SLI2_ACTIVE 0x200 /* SLI2 overlay in firmware is active */
+#define LPFC_SLI_ACTIVE 0x200 /* SLI in firmware is active */
#define LPFC_PROCESS_LA 0x400 /* Able to process link attention */
#define LPFC_BLOCK_MGMT_IO 0x800 /* Don't allow mgmt mbx or iocb cmds */
#define LPFC_MENLO_MAINT 0x1000 /* need for menl fw download */
+#define LPFC_SLI_ASYNC_MBX_BLK 0x2000 /* Async mailbox is blocked */
- struct lpfc_sli_ring ring[LPFC_MAX_RING];
+ struct lpfc_sli_ring *ring;
int fcp_ring; /* ring used for FCP initiator commands */
int next_ring;
@@ -259,11 +319,11 @@ struct lpfc_sli {
struct lpfc_lnk_stat lnk_stat_offsets;
};
-#define LPFC_MBOX_TMO 30 /* Sec tmo for outstanding mbox
- command */
-#define LPFC_MBOX_TMO_FLASH_CMD 300 /* Sec tmo for outstanding FLASH write
- * or erase cmds. This is especially
- * long because of the potential of
- * multiple flash erases that can be
- * spawned.
- */
+/* Timeout for normal outstanding mbox command (Seconds) */
+#define LPFC_MBOX_TMO 30
+/* Timeout for non-flash-based outstanding sli_config mbox command (Seconds) */
+#define LPFC_MBOX_SLI4_CONFIG_TMO 60
+/* Timeout for flash-based outstanding sli_config mbox command (Seconds) */
+#define LPFC_MBOX_SLI4_CONFIG_EXTENDED_TMO 300
+/* Timeout for other flash-based outstanding mbox command (Seconds) */
+#define LPFC_MBOX_TMO_FLASH_CMD 300