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| author |   Maor Gottlieb <maorg@nvidia.com> | 2021-08-24 17:25:31 +0300 |
|---|---|---|
| committer |   Jason Gunthorpe <jgg@nvidia.com> | 2021-08-24 19:52:40 -0300 |
| commit | 79fbd3e1241cea83dded06db2b8bcd5893d877d7 (patch) | |
| tree | 3d0d8a7ef4a7efa7c74213e2c7f64d6549ffdb98 /include/rdma/ib_umem.h | |
| parent | lib/scatterlist: Fix wrong update of orig_nents (diff) | |
| download | linux-dev-79fbd3e1241cea83dded06db2b8bcd5893d877d7.tar.xz linux-dev-79fbd3e1241cea83dded06db2b8bcd5893d877d7.zip | |
RDMA: Use the sg_table directly and remove the opencoded version from umem
This allows using the normal sg_table APIs and makes all the code
cleaner. Remove sgt, nents and nmapd from ib_umem.
Link: https://lore.kernel.org/r/20210824142531.3877007-4-maorg@nvidia.com
Signed-off-by: Maor Gottlieb <maorg@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'include/rdma/ib_umem.h')
| -rw-r--r-- | include/rdma/ib_umem.h | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/include/rdma/ib_umem.h b/include/rdma/ib_umem.h index 33cb23b2ee3c..5ae9dff74dac 100644 --- a/include/rdma/ib_umem.h +++ b/include/rdma/ib_umem.h @@ -26,10 +26,7 @@ struct ib_umem { u32 is_odp : 1; u32 is_dmabuf : 1; struct work_struct work; - struct sg_append_table sgt_append; - struct sg_table sg_head; - int nmap; - unsigned int sg_nents; + struct sg_append_table sgt_append; }; struct ib_umem_dmabuf { @@ -57,7 +54,7 @@ static inline int ib_umem_offset(struct ib_umem *umem) static inline unsigned long ib_umem_dma_offset(struct ib_umem *umem, unsigned long pgsz) { - return (sg_dma_address(umem->sg_head.sgl) + ib_umem_offset(umem)) & + return (sg_dma_address(umem->sgt_append.sgt.sgl) + ib_umem_offset(umem)) & (pgsz - 1); } @@ -78,7 +75,8 @@ static inline void __rdma_umem_block_iter_start(struct ib_block_iter *biter, struct ib_umem *umem, unsigned long pgsz) { - __rdma_block_iter_start(biter, umem->sg_head.sgl, umem->nmap, pgsz); + __rdma_block_iter_start(biter, umem->sgt_append.sgt.sgl, + umem->sgt_append.sgt.nents, pgsz); } /** @@ -129,7 +127,7 @@ static inline unsigned long ib_umem_find_best_pgoff(struct ib_umem *umem, unsigned long pgsz_bitmap, u64 pgoff_bitmask) { - struct scatterlist *sg = umem->sg_head.sgl; + struct scatterlist *sg = umem->sgt_append.sgt.sgl; dma_addr_t dma_addr; dma_addr = sg_dma_address(sg) + (umem->address & ~PAGE_MASK); |