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net/mlx5: Generalize name of UMR alignment definition

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Per the device spec, MLX5_UMR_MTT_ALIGNMENT is good not only for UMR MTT
entries, but for all other entries as well, like KLMs and KSMs.

Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Gal Pressman <gal@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
This commit is contained in:
Tariq Toukan 2022-10-31 14:44:57 +02:00 committed by Saeed Mahameed
parent 683d78a0d4
commit 02648b4b09
6 changed files with 16 additions and 17 deletions
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3
drivers/infiniband/hw/mlx5/odp.c
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@ -230,8 +230,7 @@ static bool mlx5_ib_invalidate_range(struct mmu_interval_notifier *mni,
struct ib_umem_odp *umem_odp =
container_of(mni, struct ib_umem_odp, notifier);
struct mlx5_ib_mr *mr;
const u64 umr_block_mask = (MLX5_UMR_MTT_ALIGNMENT /
sizeof(struct mlx5_mtt)) - 1;
const u64 umr_block_mask = MLX5_UMR_MTT_NUM_ENTRIES_ALIGNMENT - 1;
u64 idx = 0, blk_start_idx = 0;
u64 invalidations = 0;
unsigned long start;

14
drivers/infiniband/hw/mlx5/umr.c
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@ -418,7 +418,7 @@ int mlx5r_umr_rereg_pd_access(struct mlx5_ib_mr *mr, struct ib_pd *pd,
}
#define MLX5_MAX_UMR_CHUNK \
((1 << (MLX5_MAX_UMR_SHIFT + 4)) - MLX5_UMR_MTT_ALIGNMENT)
((1 << (MLX5_MAX_UMR_SHIFT + 4)) - MLX5_UMR_FLEX_ALIGNMENT)
#define MLX5_SPARE_UMR_CHUNK 0x10000
/*
@ -428,11 +428,11 @@ int mlx5r_umr_rereg_pd_access(struct mlx5_ib_mr *mr, struct ib_pd *pd,
*/
static void *mlx5r_umr_alloc_xlt(size_t *nents, size_t ent_size, gfp_t gfp_mask)
{
const size_t xlt_chunk_align = MLX5_UMR_MTT_ALIGNMENT / ent_size;
const size_t xlt_chunk_align = MLX5_UMR_FLEX_ALIGNMENT / ent_size;
size_t size;
void *res = NULL;
static_assert(PAGE_SIZE % MLX5_UMR_MTT_ALIGNMENT == 0);
static_assert(PAGE_SIZE % MLX5_UMR_FLEX_ALIGNMENT == 0);
/*
* MLX5_IB_UPD_XLT_ATOMIC doesn't signal an atomic context just that the
@ -666,7 +666,7 @@ int mlx5r_umr_update_mr_pas(struct mlx5_ib_mr *mr, unsigned int flags)
}
final_size = (void *)cur_mtt - (void *)mtt;
sg.length = ALIGN(final_size, MLX5_UMR_MTT_ALIGNMENT);
sg.length = ALIGN(final_size, MLX5_UMR_FLEX_ALIGNMENT);
memset(cur_mtt, 0, sg.length - final_size);
mlx5r_umr_final_update_xlt(dev, &wqe, mr, &sg, flags);
@ -690,7 +690,7 @@ int mlx5r_umr_update_xlt(struct mlx5_ib_mr *mr, u64 idx, int npages,
int desc_size = (flags & MLX5_IB_UPD_XLT_INDIRECT)
? sizeof(struct mlx5_klm)
: sizeof(struct mlx5_mtt);
const int page_align = MLX5_UMR_MTT_ALIGNMENT / desc_size;
const int page_align = MLX5_UMR_FLEX_ALIGNMENT / desc_size;
struct mlx5_ib_dev *dev = mr_to_mdev(mr);
struct device *ddev = &dev->mdev->pdev->dev;
const int page_mask = page_align - 1;
@ -711,7 +711,7 @@ int mlx5r_umr_update_xlt(struct mlx5_ib_mr *mr, u64 idx, int npages,
if (WARN_ON(!mr->umem->is_odp))
return -EINVAL;
/* UMR copies MTTs in units of MLX5_UMR_MTT_ALIGNMENT bytes,
/* UMR copies MTTs in units of MLX5_UMR_FLEX_ALIGNMENT bytes,
* so we need to align the offset and length accordingly
*/
if (idx & page_mask) {
@ -748,7 +748,7 @@ int mlx5r_umr_update_xlt(struct mlx5_ib_mr *mr, u64 idx, int npages,
mlx5_odp_populate_xlt(xlt, idx, npages, mr, flags);
dma_sync_single_for_device(ddev, sg.addr, sg.length,
DMA_TO_DEVICE);
sg.length = ALIGN(size_to_map, MLX5_UMR_MTT_ALIGNMENT);
sg.length = ALIGN(size_to_map, MLX5_UMR_FLEX_ALIGNMENT);
if (pages_mapped + pages_iter >= pages_to_map)
mlx5r_umr_final_update_xlt(dev, &wqe, mr, &sg, flags);

6
drivers/net/ethernet/mellanox/mlx5/core/en.h
View File

@ -103,11 +103,11 @@ struct page_pool;
* size actually used at runtime, but it's not a problem when calculating static
* array sizes.
*/
#define MLX5_UMR_MAX_MTT_SPACE \
#define MLX5_UMR_MAX_FLEX_SPACE \
(ALIGN_DOWN(MLX5_SEND_WQE_MAX_SIZE - sizeof(struct mlx5e_umr_wqe), \
MLX5_UMR_MTT_ALIGNMENT))
MLX5_UMR_FLEX_ALIGNMENT))
#define MLX5_MPWRQ_MAX_PAGES_PER_WQE \
rounddown_pow_of_two(MLX5_UMR_MAX_MTT_SPACE / sizeof(struct mlx5_mtt))
rounddown_pow_of_two(MLX5_UMR_MAX_FLEX_SPACE / sizeof(struct mlx5_mtt))
#define MLX5E_MAX_RQ_NUM_MTTS \
(ALIGN_DOWN(U16_MAX, 4) * 2) /* Fits into u16 and aligned by WQEBB. */

4
drivers/net/ethernet/mellanox/mlx5/core/en/params.c
View File

@ -107,7 +107,7 @@ u8 mlx5e_mpwrq_log_wqe_sz(struct mlx5_core_dev *mdev, u8 page_shift,
/* Keep in sync with MLX5_MPWRQ_MAX_PAGES_PER_WQE. */
max_wqe_size = mlx5e_get_max_sq_aligned_wqebbs(mdev) * MLX5_SEND_WQE_BB;
max_pages_per_wqe = ALIGN_DOWN(max_wqe_size - sizeof(struct mlx5e_umr_wqe),
MLX5_UMR_MTT_ALIGNMENT) / umr_entry_size;
MLX5_UMR_FLEX_ALIGNMENT) / umr_entry_size;
max_log_mpwqe_size = ilog2(max_pages_per_wqe) + page_shift;
WARN_ON_ONCE(max_log_mpwqe_size < MLX5E_ORDER2_MAX_PACKET_MTU);
@ -146,7 +146,7 @@ u16 mlx5e_mpwrq_umr_wqe_sz(struct mlx5_core_dev *mdev, u8 page_shift,
u16 umr_wqe_sz;
umr_wqe_sz = sizeof(struct mlx5e_umr_wqe) +
ALIGN(pages_per_wqe * umr_entry_size, MLX5_UMR_MTT_ALIGNMENT);
ALIGN(pages_per_wqe * umr_entry_size, MLX5_UMR_FLEX_ALIGNMENT);
WARN_ON_ONCE(DIV_ROUND_UP(umr_wqe_sz, MLX5_SEND_WQE_DS) > MLX5_WQE_CTRL_DS_MASK);

2
drivers/net/ethernet/mellanox/mlx5/core/en_main.c
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@ -208,7 +208,7 @@ static u16 mlx5e_mpwrq_umr_octowords(u32 entries, enum mlx5e_mpwrq_umr_mode umr_
u8 umr_entry_size = mlx5e_mpwrq_umr_entry_size(umr_mode);
u32 sz;
sz = ALIGN(entries * umr_entry_size, MLX5_UMR_MTT_ALIGNMENT);
sz = ALIGN(entries * umr_entry_size, MLX5_UMR_FLEX_ALIGNMENT);
return sz / MLX5_OCTWORD;
}

4
include/linux/mlx5/device.h
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@ -291,8 +291,8 @@ enum {
};
#define MLX5_UMR_KLM_ALIGNMENT 4
#define MLX5_UMR_MTT_ALIGNMENT 0x40
#define MLX5_UMR_MTT_NUM_ENTRIES_ALIGNMENT (MLX5_UMR_MTT_ALIGNMENT / sizeof(struct mlx5_mtt))
#define MLX5_UMR_FLEX_ALIGNMENT 0x40
#define MLX5_UMR_MTT_NUM_ENTRIES_ALIGNMENT (MLX5_UMR_FLEX_ALIGNMENT / sizeof(struct mlx5_mtt))
#define MLX5_USER_INDEX_LEN (MLX5_FLD_SZ_BYTES(qpc, user_index) * 8)