diff options
| author |   Max Gurtovoy <maxg@mellanox.com> | 2019-09-25 00:05:48 +0300 |
|---|---|---|
| committer |   Jason Gunthorpe <jgg@mellanox.com> | 2019-10-01 11:27:13 -0300 |
| commit | 6eeff06db999bf9b17aaa52fddda4fd449726a64 (patch) | |
| tree | aa9fe88eae74e235e94d188c2f3292769a9a14bc /drivers/infiniband/ulp | |
| parent | IB/iser: bound protection_sg size by data_sg size (diff) | |
| download | linux-dev-6eeff06db999bf9b17aaa52fddda4fd449726a64.tar.xz linux-dev-6eeff06db999bf9b17aaa52fddda4fd449726a64.zip | |
IB/iser: remove redundant macro definitions
Use the general linux definition for 4K and retrieve the rest from it.
Link: https://lore.kernel.org/r/1569359148-12312-1-git-send-email-maxg@mellanox.com
Signed-off-by: Max Gurtovoy <maxg@mellanox.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'drivers/infiniband/ulp')
| -rw-r--r-- | drivers/infiniband/ulp/iser/iscsi_iser.c | 2 | ||||
| -rw-r--r-- | drivers/infiniband/ulp/iser/iscsi_iser.h | 8 | ||||
| -rw-r--r-- | drivers/infiniband/ulp/iser/iser_memory.c | 4 | ||||
| -rw-r--r-- | drivers/infiniband/ulp/iser/iser_verbs.c | 4 |
4 files changed, 7 insertions, 11 deletions
diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.c b/drivers/infiniband/ulp/iser/iscsi_iser.c index c4c015c60446..55f45edeb5f9 100644 --- a/drivers/infiniband/ulp/iser/iscsi_iser.c +++ b/drivers/infiniband/ulp/iser/iscsi_iser.c @@ -653,7 +653,7 @@ iscsi_iser_session_create(struct iscsi_endpoint *ep, } if (!(ib_dev->attrs.device_cap_flags & IB_DEVICE_SG_GAPS_REG)) - shost->virt_boundary_mask = ~MASK_4K; + shost->virt_boundary_mask = SZ_4K - 1; if (iscsi_host_add(shost, ib_dev->dev.parent)) { mutex_unlock(&iser_conn->state_mutex); diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.h b/drivers/infiniband/ulp/iser/iscsi_iser.h index 52ce63592dcf..2500c0df2670 100644 --- a/drivers/infiniband/ulp/iser/iscsi_iser.h +++ b/drivers/infiniband/ulp/iser/iscsi_iser.h @@ -96,16 +96,12 @@ #define iser_err(fmt, arg...) \ pr_err(PFX "%s: " fmt, __func__ , ## arg) -#define SHIFT_4K 12 -#define SIZE_4K (1ULL << SHIFT_4K) -#define MASK_4K (~(SIZE_4K-1)) - /* Default support is 512KB I/O size */ #define ISER_DEF_MAX_SECTORS 1024 #define ISCSI_ISER_DEF_SG_TABLESIZE \ - ((ISER_DEF_MAX_SECTORS * SECTOR_SIZE) >> SHIFT_4K) + ((ISER_DEF_MAX_SECTORS * SECTOR_SIZE) >> ilog2(SZ_4K)) /* Maximum support is 16MB I/O size */ -#define ISCSI_ISER_MAX_SG_TABLESIZE ((32768 * SECTOR_SIZE) >> SHIFT_4K) +#define ISCSI_ISER_MAX_SG_TABLESIZE ((32768 * SECTOR_SIZE) >> ilog2(SZ_4K)) #define ISER_DEF_XMIT_CMDS_DEFAULT 512 #if ISCSI_DEF_XMIT_CMDS_MAX > ISER_DEF_XMIT_CMDS_DEFAULT diff --git a/drivers/infiniband/ulp/iser/iser_memory.c b/drivers/infiniband/ulp/iser/iser_memory.c index 3a26e5be1717..0f74dc6d12fa 100644 --- a/drivers/infiniband/ulp/iser/iser_memory.c +++ b/drivers/infiniband/ulp/iser/iser_memory.c @@ -237,7 +237,7 @@ int iser_fast_reg_fmr(struct iscsi_iser_task *iser_task, int ret, plen; page_vec->npages = 0; - page_vec->fake_mr.page_size = SIZE_4K; + page_vec->fake_mr.page_size = SZ_4K; plen = ib_sg_to_pages(&page_vec->fake_mr, mem->sg, mem->dma_nents, NULL, iser_set_page); if (unlikely(plen < mem->dma_nents)) { @@ -451,7 +451,7 @@ static int iser_fast_reg_mr(struct iscsi_iser_task *iser_task, ib_update_fast_reg_key(mr, ib_inc_rkey(mr->rkey)); - n = ib_map_mr_sg(mr, mem->sg, mem->dma_nents, NULL, SIZE_4K); + n = ib_map_mr_sg(mr, mem->sg, mem->dma_nents, NULL, SZ_4K); if (unlikely(n != mem->dma_nents)) { iser_err("failed to map sg (%d/%d)\n", n, mem->dma_nents); diff --git a/drivers/infiniband/ulp/iser/iser_verbs.c b/drivers/infiniband/ulp/iser/iser_verbs.c index 94b50112cdb2..17f8e914b531 100644 --- a/drivers/infiniband/ulp/iser/iser_verbs.c +++ b/drivers/infiniband/ulp/iser/iser_verbs.c @@ -180,7 +180,7 @@ int iser_alloc_fmr_pool(struct ib_conn *ib_conn, page_vec->pages = (u64 *)(page_vec + 1); - params.page_shift = SHIFT_4K; + params.page_shift = ilog2(SZ_4K); params.max_pages_per_fmr = size; /* make the pool size twice the max number of SCSI commands * * the ML is expected to queue, watermark for unmap at 50% */ @@ -670,7 +670,7 @@ iser_calc_scsi_params(struct iser_conn *iser_conn, else max_num_sg = attr->max_fast_reg_page_list_len; - sg_tablesize = DIV_ROUND_UP(max_sectors * 512, SIZE_4K); + sg_tablesize = DIV_ROUND_UP(max_sectors * SECTOR_SIZE, SZ_4K); if (attr->device_cap_flags & IB_DEVICE_MEM_MGT_EXTENSIONS) sup_sg_tablesize = min_t( |