diff options
Diffstat (limited to 'drivers/scsi/cxgbi/libcxgbi.h')
| -rw-r--r-- | drivers/scsi/cxgbi/libcxgbi.h | 161 |
1 files changed, 0 insertions, 161 deletions
diff --git a/drivers/scsi/cxgbi/libcxgbi.h b/drivers/scsi/cxgbi/libcxgbi.h index 9842301f7980..827afa720c8d 100644 --- a/drivers/scsi/cxgbi/libcxgbi.h +++ b/drivers/scsi/cxgbi/libcxgbi.h @@ -84,91 +84,12 @@ static inline unsigned int cxgbi_ulp_extra_len(int submode) return ulp2_extra_len[submode & 3]; } -/* - * struct pagepod_hdr, pagepod - pagepod format - */ - #define CPL_RX_DDP_STATUS_DDP_SHIFT 16 /* ddp'able */ #define CPL_RX_DDP_STATUS_PAD_SHIFT 19 /* pad error */ #define CPL_RX_DDP_STATUS_HCRC_SHIFT 20 /* hcrc error */ #define CPL_RX_DDP_STATUS_DCRC_SHIFT 21 /* dcrc error */ -struct cxgbi_pagepod_hdr { - u32 vld_tid; - u32 pgsz_tag_clr; - u32 max_offset; - u32 page_offset; - u64 rsvd; -}; - -#define PPOD_PAGES_MAX 4 -struct cxgbi_pagepod { - struct cxgbi_pagepod_hdr hdr; - u64 addr[PPOD_PAGES_MAX + 1]; -}; - -struct cxgbi_tag_format { - unsigned char sw_bits; - unsigned char rsvd_bits; - unsigned char rsvd_shift; - unsigned char filler[1]; - u32 rsvd_mask; -}; - -struct cxgbi_gather_list { - unsigned int tag; - unsigned int length; - unsigned int offset; - unsigned int nelem; - struct page **pages; - dma_addr_t phys_addr[0]; -}; - -struct cxgbi_ddp_info { - struct kref refcnt; - struct cxgbi_device *cdev; - struct pci_dev *pdev; - unsigned int max_txsz; - unsigned int max_rxsz; - unsigned int llimit; - unsigned int ulimit; - unsigned int nppods; - unsigned int idx_last; - unsigned char idx_bits; - unsigned char filler[3]; - unsigned int idx_mask; - unsigned int rsvd_tag_mask; - spinlock_t map_lock; - struct cxgbi_gather_list **gl_map; -}; - #define DDP_PGIDX_MAX 4 -#define DDP_THRESHOLD 2048 - -#define PPOD_PAGES_SHIFT 2 /* 4 pages per pod */ - -#define PPOD_SIZE sizeof(struct cxgbi_pagepod) /* 64 */ -#define PPOD_SIZE_SHIFT 6 - -#define ULPMEM_DSGL_MAX_NPPODS 16 /* 1024/PPOD_SIZE */ -#define ULPMEM_IDATA_MAX_NPPODS 4 /* 256/PPOD_SIZE */ -#define PCIE_MEMWIN_MAX_NPPODS 16 /* 1024/PPOD_SIZE */ - -#define PPOD_COLOR_SHIFT 0 -#define PPOD_COLOR(x) ((x) << PPOD_COLOR_SHIFT) - -#define PPOD_IDX_SHIFT 6 -#define PPOD_IDX_MAX_SIZE 24 - -#define PPOD_TID_SHIFT 0 -#define PPOD_TID(x) ((x) << PPOD_TID_SHIFT) - -#define PPOD_TAG_SHIFT 6 -#define PPOD_TAG(x) ((x) << PPOD_TAG_SHIFT) - -#define PPOD_VALID_SHIFT 24 -#define PPOD_VALID(x) ((x) << PPOD_VALID_SHIFT) -#define PPOD_VALID_FLAG PPOD_VALID(1U) /* * sge_opaque_hdr - @@ -548,15 +469,8 @@ struct cxgbi_device { unsigned int tx_max_size; unsigned int rx_max_size; struct cxgbi_ports_map pmap; - struct cxgbi_tag_format tag_format; - struct cxgbi_ddp_info *ddp; void (*dev_ddp_cleanup)(struct cxgbi_device *); - int (*csk_ddp_set)(struct cxgbi_sock *, struct cxgbi_pagepod_hdr *, - unsigned int, unsigned int, - struct cxgbi_gather_list *); - void (*csk_ddp_clear)(struct cxgbi_hba *, - unsigned int, unsigned int, unsigned int); int (*csk_ddp_setup_digest)(struct cxgbi_sock *, unsigned int, int, int, int); int (*csk_ddp_setup_pgidx)(struct cxgbi_sock *, @@ -600,78 +514,6 @@ struct cxgbi_task_data { #define iscsi_task_cxgbi_data(task) \ ((task)->dd_data + sizeof(struct iscsi_tcp_task)) -static inline int cxgbi_is_ddp_tag(struct cxgbi_tag_format *tformat, u32 tag) -{ - return !(tag & (1 << (tformat->rsvd_bits + tformat->rsvd_shift - 1))); -} - -static inline int cxgbi_sw_tag_usable(struct cxgbi_tag_format *tformat, - u32 sw_tag) -{ - sw_tag >>= (32 - tformat->rsvd_bits); - return !sw_tag; -} - -static inline u32 cxgbi_set_non_ddp_tag(struct cxgbi_tag_format *tformat, - u32 sw_tag) -{ - unsigned char shift = tformat->rsvd_bits + tformat->rsvd_shift - 1; - u32 mask = (1 << shift) - 1; - - if (sw_tag && (sw_tag & ~mask)) { - u32 v1 = sw_tag & ((1 << shift) - 1); - u32 v2 = (sw_tag >> (shift - 1)) << shift; - - return v2 | v1 | 1 << shift; - } - - return sw_tag | 1 << shift; -} - -static inline u32 cxgbi_ddp_tag_base(struct cxgbi_tag_format *tformat, - u32 sw_tag) -{ - u32 mask = (1 << tformat->rsvd_shift) - 1; - - if (sw_tag && (sw_tag & ~mask)) { - u32 v1 = sw_tag & mask; - u32 v2 = sw_tag >> tformat->rsvd_shift; - - v2 <<= tformat->rsvd_bits + tformat->rsvd_shift; - - return v2 | v1; - } - - return sw_tag; -} - -static inline u32 cxgbi_tag_rsvd_bits(struct cxgbi_tag_format *tformat, - u32 tag) -{ - if (cxgbi_is_ddp_tag(tformat, tag)) - return (tag >> tformat->rsvd_shift) & tformat->rsvd_mask; - - return 0; -} - -static inline u32 cxgbi_tag_nonrsvd_bits(struct cxgbi_tag_format *tformat, - u32 tag) -{ - unsigned char shift = tformat->rsvd_bits + tformat->rsvd_shift - 1; - u32 v1, v2; - - if (cxgbi_is_ddp_tag(tformat, tag)) { - v1 = tag & ((1 << tformat->rsvd_shift) - 1); - v2 = (tag >> (shift + 1)) << tformat->rsvd_shift; - } else { - u32 mask = (1 << shift) - 1; - tag &= ~(1 << shift); - v1 = tag & mask; - v2 = (tag >> 1) & ~mask; - } - return v1 | v2; -} - static inline void *cxgbi_alloc_big_mem(unsigned int size, gfp_t gfp) { @@ -749,7 +591,4 @@ int cxgbi_ddp_init(struct cxgbi_device *, unsigned int, unsigned int, unsigned int, unsigned int); int cxgbi_ddp_cleanup(struct cxgbi_device *); void cxgbi_ddp_page_size_factor(int *); -void cxgbi_ddp_ppod_clear(struct cxgbi_pagepod *); -void cxgbi_ddp_ppod_set(struct cxgbi_pagepod *, struct cxgbi_pagepod_hdr *, - struct cxgbi_gather_list *, unsigned int); #endif /*__LIBCXGBI_H__*/ |