diff options
Diffstat (limited to 'kernel/drivers/infiniband/ulp/srp/ib_srp.h')
| -rw-r--r-- | kernel/drivers/infiniband/ulp/srp/ib_srp.h | 32 |
1 files changed, 19 insertions, 13 deletions
diff --git a/kernel/drivers/infiniband/ulp/srp/ib_srp.h b/kernel/drivers/infiniband/ulp/srp/ib_srp.h index e690847a4..f6af531f9 100644 --- a/kernel/drivers/infiniband/ulp/srp/ib_srp.h +++ b/kernel/drivers/infiniband/ulp/srp/ib_srp.h @@ -54,7 +54,6 @@ enum { SRP_DLID_REDIRECT = 2, SRP_STALE_CONN = 3, - SRP_MAX_LUN = 512, SRP_DEF_SG_TABLESIZE = 12, SRP_DEFAULT_QUEUE_SIZE = 1 << 6, @@ -96,13 +95,14 @@ struct srp_device { struct list_head dev_list; struct ib_device *dev; struct ib_pd *pd; - struct ib_mr *mr; + struct ib_mr *global_mr; u64 mr_page_mask; int mr_page_size; int mr_max_size; int max_pages_per_mr; bool has_fmr; bool has_fr; + bool use_fmr; bool use_fast_reg; }; @@ -183,10 +183,10 @@ struct srp_target_port { spinlock_t lock; /* read only in the hot path */ + struct ib_mr *global_mr; struct srp_rdma_ch *ch; u32 ch_count; u32 lkey; - u32 rkey; enum srp_target_state state; unsigned int max_iu_len; unsigned int cmd_sg_cnt; @@ -242,7 +242,6 @@ struct srp_iu { struct srp_fr_desc { struct list_head entry; struct ib_mr *mr; - struct ib_fast_reg_page_list *frpl; }; /** @@ -277,26 +276,33 @@ struct srp_fr_pool { * @npages: Number of page addresses in the pages[] array. * @nmdesc: Number of FMR or FR memory descriptors used for mapping. * @ndesc: Number of SRP buffer descriptors that have been filled in. - * @unmapped_sg: First element of the sg-list that is mapped via FMR or FR. - * @unmapped_index: Index of the first element mapped via FMR or FR. - * @unmapped_addr: DMA address of the first element mapped via FMR or FR. */ struct srp_map_state { union { - struct ib_pool_fmr **next_fmr; - struct srp_fr_desc **next_fr; + struct { + struct ib_pool_fmr **next; + struct ib_pool_fmr **end; + } fmr; + struct { + struct srp_fr_desc **next; + struct srp_fr_desc **end; + } fr; + struct { + void **next; + void **end; + } gen; }; struct srp_direct_buf *desc; - u64 *pages; + union { + u64 *pages; + struct scatterlist *sg; + }; dma_addr_t base_dma_addr; u32 dma_len; u32 total_len; unsigned int npages; unsigned int nmdesc; unsigned int ndesc; - struct scatterlist *unmapped_sg; - int unmapped_index; - dma_addr_t unmapped_addr; }; #endif /* IB_SRP_H */ |