diff options
Diffstat (limited to 'drivers/infiniband/ulp/srp/ib_srp.h')
| -rw-r--r-- | drivers/infiniband/ulp/srp/ib_srp.h | 28 |
1 files changed, 24 insertions, 4 deletions
diff --git a/drivers/infiniband/ulp/srp/ib_srp.h b/drivers/infiniband/ulp/srp/ib_srp.h index db39dbf76216..b43b5e7acbde 100644 --- a/drivers/infiniband/ulp/srp/ib_srp.h +++ b/drivers/infiniband/ulp/srp/ib_srp.h @@ -71,7 +71,10 @@ enum { SRP_FMR_SIZE = 256, SRP_FMR_POOL_SIZE = 1024, - SRP_FMR_DIRTY_SIZE = SRP_FMR_POOL_SIZE / 4 + SRP_FMR_DIRTY_SIZE = SRP_FMR_POOL_SIZE / 4, + + SRP_MAP_ALLOW_FMR = 0, + SRP_MAP_NO_FMR = 1, }; enum srp_target_state { @@ -93,9 +96,9 @@ struct srp_device { struct ib_pd *pd; struct ib_mr *mr; struct ib_fmr_pool *fmr_pool; - int fmr_page_shift; - int fmr_page_size; u64 fmr_page_mask; + int fmr_page_size; + int fmr_max_size; }; struct srp_host { @@ -112,7 +115,9 @@ struct srp_request { struct list_head list; struct scsi_cmnd *scmnd; struct srp_iu *cmd; - struct ib_pool_fmr *fmr; + struct ib_pool_fmr **fmr_list; + u64 *map_page; + short nfmr; short index; }; @@ -181,4 +186,19 @@ struct srp_iu { enum dma_data_direction direction; }; +struct srp_map_state { + struct ib_pool_fmr **next_fmr; + struct srp_direct_buf *desc; + u64 *pages; + dma_addr_t base_dma_addr; + u32 fmr_len; + u32 total_len; + unsigned int npages; + unsigned int nfmr; + unsigned int ndesc; + struct scatterlist *unmapped_sg; + int unmapped_index; + dma_addr_t unmapped_addr; +}; + #endif /* IB_SRP_H */ |