diff options
Diffstat (limited to 'drivers/scsi/be2iscsi/be.h')
| -rw-r--r-- | drivers/scsi/be2iscsi/be.h | 66 |
1 files changed, 50 insertions, 16 deletions
diff --git a/drivers/scsi/be2iscsi/be.h b/drivers/scsi/be2iscsi/be.h index a93a5040f08..860f527d8f2 100644 --- a/drivers/scsi/be2iscsi/be.h +++ b/drivers/scsi/be2iscsi/be.h @@ -1,5 +1,5 @@ /** - * Copyright (C) 2005 - 2009 ServerEngines + * Copyright (C) 2005 - 2013 Emulex * All rights reserved. * * This program is free software; you can redistribute it and/or @@ -8,11 +8,11 @@ * Public License is included in this distribution in the file called COPYING. * * Contact Information: - * linux-drivers@serverengines.com + * linux-drivers@emulex.com * - * ServerEngines - * 209 N. Fair Oaks Ave - * Sunnyvale, CA 94085 + * Emulex + * 3333 Susan Street + * Costa Mesa, CA 92626 */ #ifndef BEISCSI_H @@ -24,7 +24,11 @@ #define FW_VER_LEN 32 #define MCC_Q_LEN 128 #define MCC_CQ_LEN 256 - +#define MAX_MCC_CMD 16 +/* BladeEngine Generation numbers */ +#define BE_GEN2 2 +#define BE_GEN3 3 +#define BE_GEN4 4 struct be_dma_mem { void *va; dma_addr_t dma; @@ -57,6 +61,11 @@ static inline void *queue_head_node(struct be_queue_info *q) return q->dma_mem.va + q->head * q->entry_size; } +static inline void *queue_get_wrb(struct be_queue_info *q, unsigned int wrb_num) +{ + return q->dma_mem.va + wrb_num * q->entry_size; +} + static inline void *queue_tail_node(struct be_queue_info *q) { return q->dma_mem.va + q->tail * q->entry_size; @@ -74,10 +83,24 @@ static inline void queue_tail_inc(struct be_queue_info *q) /*ISCSI */ +struct be_aic_obj { /* Adaptive interrupt coalescing (AIC) info */ + bool enable; + u32 min_eqd; /* in usecs */ + u32 max_eqd; /* in usecs */ + u32 prev_eqd; /* in usecs */ + u32 et_eqd; /* configured val when aic is off */ + ulong jiffs; + u64 eq_prev; /* Used to calculate eqe */ +}; + struct be_eq_obj { + bool todo_mcc_cq; + bool todo_cq; + u32 cq_count; struct be_queue_info q; struct beiscsi_hba *phba; struct be_queue_info *cq; + struct work_struct work_cqs; /* Work Item */ struct blk_iopoll iopoll; }; @@ -86,6 +109,14 @@ struct be_mcc_obj { struct be_queue_info cq; }; +struct beiscsi_mcc_tag_state { +#define MCC_TAG_STATE_COMPLETED 0x00 +#define MCC_TAG_STATE_RUNNING 0x01 +#define MCC_TAG_STATE_TIMEOUT 0x02 + uint8_t tag_state; + struct be_dma_mem tag_mem_state; +}; + struct be_ctrl_info { u8 __iomem *csr; u8 __iomem *db; /* Door Bell */ @@ -104,27 +135,30 @@ struct be_ctrl_info { spinlock_t mcc_lock; /* For serializing mcc cmds to BE card */ spinlock_t mcc_cq_lock; - /* MCC Async callback */ - void (*async_cb) (void *adapter, bool link_up); - void *adapter_ctxt; + wait_queue_head_t mcc_wait[MAX_MCC_CMD + 1]; + unsigned int mcc_tag[MAX_MCC_CMD]; + unsigned int mcc_numtag[MAX_MCC_CMD + 1]; + unsigned short mcc_alloc_index; + unsigned short mcc_free_index; + unsigned int mcc_tag_available; + + struct beiscsi_mcc_tag_state ptag_state[MAX_MCC_CMD + 1]; }; #include "be_cmds.h" #define PAGE_SHIFT_4K 12 #define PAGE_SIZE_4K (1 << PAGE_SHIFT_4K) +#define mcc_timeout 120000 /* 12s timeout */ +#define BEISCSI_LOGOUT_SYNC_DELAY 250 /* Returns number of pages spanned by the data starting at the given addr */ -#define PAGES_4K_SPANNED(_address, size) \ - ((u32)((((size_t)(_address) & (PAGE_SIZE_4K - 1)) + \ +#define PAGES_4K_SPANNED(_address, size) \ + ((u32)((((size_t)(_address) & (PAGE_SIZE_4K - 1)) + \ (size) + (PAGE_SIZE_4K - 1)) >> PAGE_SHIFT_4K)) -/* Byte offset into the page corresponding to given address */ -#define OFFSET_IN_PAGE(addr) \ - ((size_t)(addr) & (PAGE_SIZE_4K-1)) - /* Returns bit offset within a DWORD of a bitfield */ -#define AMAP_BIT_OFFSET(_struct, field) \ +#define AMAP_BIT_OFFSET(_struct, field) \ (((size_t)&(((_struct *)0)->field))%32) /* Returns the bit mask of the field that is NOT shifted into location. */ |