diff options
Diffstat (limited to 'drivers/net')
-rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/main.c | 2 | ||||
-rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/mr.c | 183 | ||||
-rw-r--r-- | drivers/net/ethernet/qlogic/qed/qed.h | 1 | ||||
-rw-r--r-- | drivers/net/ethernet/qlogic/qed/qed_main.c | 9 | ||||
-rw-r--r-- | drivers/net/ethernet/qlogic/qed/qed_rdma.c | 1 | ||||
-rw-r--r-- | drivers/net/ethernet/qlogic/qed/qed_rdma.h | 1 | ||||
-rw-r--r-- | drivers/net/ethernet/toshiba/ps3_gelic_net.c | 2 |
7 files changed, 10 insertions, 189 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c index c72c4e1ea383..3d9aa7da95e9 100644 --- a/drivers/net/ethernet/mellanox/mlx4/main.c +++ b/drivers/net/ethernet/mellanox/mlx4/main.c @@ -2345,8 +2345,6 @@ static int mlx4_init_hca(struct mlx4_dev *dev) goto out_free; } - dev->caps.max_fmr_maps = (1 << (32 - ilog2(dev->caps.num_mpts))) - 1; - if (enable_4k_uar || !dev->persist->num_vfs) { init_hca->log_uar_sz = ilog2(dev->caps.num_uars) + PAGE_SHIFT - DEFAULT_UAR_PAGE_SHIFT; diff --git a/drivers/net/ethernet/mellanox/mlx4/mr.c b/drivers/net/ethernet/mellanox/mlx4/mr.c index 1a11bc0e1612..d2986f1f2db0 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mr.c +++ b/drivers/net/ethernet/mellanox/mlx4/mr.c @@ -966,189 +966,6 @@ void mlx4_cleanup_mr_table(struct mlx4_dev *dev) mlx4_bitmap_cleanup(&mr_table->mpt_bitmap); } -static inline int mlx4_check_fmr(struct mlx4_fmr *fmr, u64 *page_list, - int npages, u64 iova) -{ - int i, page_mask; - - if (npages > fmr->max_pages) - return -EINVAL; - - page_mask = (1 << fmr->page_shift) - 1; - - /* We are getting page lists, so va must be page aligned. */ - if (iova & page_mask) - return -EINVAL; - - /* Trust the user not to pass misaligned data in page_list */ - if (0) - for (i = 0; i < npages; ++i) { - if (page_list[i] & ~page_mask) - return -EINVAL; - } - - if (fmr->maps >= fmr->max_maps) - return -EINVAL; - - return 0; -} - -int mlx4_map_phys_fmr(struct mlx4_dev *dev, struct mlx4_fmr *fmr, u64 *page_list, - int npages, u64 iova, u32 *lkey, u32 *rkey) -{ - u32 key; - int i, err; - - err = mlx4_check_fmr(fmr, page_list, npages, iova); - if (err) - return err; - - ++fmr->maps; - - key = key_to_hw_index(fmr->mr.key); - key += dev->caps.num_mpts; - *lkey = *rkey = fmr->mr.key = hw_index_to_key(key); - - *(u8 *) fmr->mpt = MLX4_MPT_STATUS_SW; - - /* Make sure MPT status is visible before writing MTT entries */ - wmb(); - - dma_sync_single_for_cpu(&dev->persist->pdev->dev, fmr->dma_handle, - npages * sizeof(u64), DMA_TO_DEVICE); - - for (i = 0; i < npages; ++i) - fmr->mtts[i] = cpu_to_be64(page_list[i] | MLX4_MTT_FLAG_PRESENT); - - dma_sync_single_for_device(&dev->persist->pdev->dev, fmr->dma_handle, - npages * sizeof(u64), DMA_TO_DEVICE); - - fmr->mpt->key = cpu_to_be32(key); - fmr->mpt->lkey = cpu_to_be32(key); - fmr->mpt->length = cpu_to_be64(npages * (1ull << fmr->page_shift)); - fmr->mpt->start = cpu_to_be64(iova); - - /* Make MTT entries are visible before setting MPT status */ - wmb(); - - *(u8 *) fmr->mpt = MLX4_MPT_STATUS_HW; - - /* Make sure MPT status is visible before consumer can use FMR */ - wmb(); - - return 0; -} -EXPORT_SYMBOL_GPL(mlx4_map_phys_fmr); - -int mlx4_fmr_alloc(struct mlx4_dev *dev, u32 pd, u32 access, int max_pages, - int max_maps, u8 page_shift, struct mlx4_fmr *fmr) -{ - struct mlx4_priv *priv = mlx4_priv(dev); - int err = -ENOMEM; - - if (max_maps > dev->caps.max_fmr_maps) - return -EINVAL; - - if (page_shift < (ffs(dev->caps.page_size_cap) - 1) || page_shift >= 32) - return -EINVAL; - - /* All MTTs must fit in the same page */ - if (max_pages * sizeof(*fmr->mtts) > PAGE_SIZE) - return -EINVAL; - - fmr->page_shift = page_shift; - fmr->max_pages = max_pages; - fmr->max_maps = max_maps; - fmr->maps = 0; - - err = mlx4_mr_alloc(dev, pd, 0, 0, access, max_pages, - page_shift, &fmr->mr); - if (err) - return err; - - fmr->mtts = mlx4_table_find(&priv->mr_table.mtt_table, - fmr->mr.mtt.offset, - &fmr->dma_handle); - - if (!fmr->mtts) { - err = -ENOMEM; - goto err_free; - } - - return 0; - -err_free: - (void) mlx4_mr_free(dev, &fmr->mr); - return err; -} -EXPORT_SYMBOL_GPL(mlx4_fmr_alloc); - -int mlx4_fmr_enable(struct mlx4_dev *dev, struct mlx4_fmr *fmr) -{ - struct mlx4_priv *priv = mlx4_priv(dev); - int err; - - err = mlx4_mr_enable(dev, &fmr->mr); - if (err) - return err; - - fmr->mpt = mlx4_table_find(&priv->mr_table.dmpt_table, - key_to_hw_index(fmr->mr.key), NULL); - if (!fmr->mpt) - return -ENOMEM; - - return 0; -} -EXPORT_SYMBOL_GPL(mlx4_fmr_enable); - -void mlx4_fmr_unmap(struct mlx4_dev *dev, struct mlx4_fmr *fmr, - u32 *lkey, u32 *rkey) -{ - if (!fmr->maps) - return; - - /* To unmap: it is sufficient to take back ownership from HW */ - *(u8 *)fmr->mpt = MLX4_MPT_STATUS_SW; - - /* Make sure MPT status is visible */ - wmb(); - - fmr->maps = 0; -} -EXPORT_SYMBOL_GPL(mlx4_fmr_unmap); - -int mlx4_fmr_free(struct mlx4_dev *dev, struct mlx4_fmr *fmr) -{ - int ret; - - if (fmr->maps) - return -EBUSY; - if (fmr->mr.enabled == MLX4_MPT_EN_HW) { - /* In case of FMR was enabled and unmapped - * make sure to give ownership of MPT back to HW - * so HW2SW_MPT command will success. - */ - *(u8 *)fmr->mpt = MLX4_MPT_STATUS_SW; - /* Make sure MPT status is visible before changing MPT fields */ - wmb(); - fmr->mpt->length = 0; - fmr->mpt->start = 0; - /* Make sure MPT data is visible after changing MPT status */ - wmb(); - *(u8 *)fmr->mpt = MLX4_MPT_STATUS_HW; - /* make sure MPT status is visible */ - wmb(); - } - - ret = mlx4_mr_free(dev, &fmr->mr); - if (ret) - return ret; - fmr->mr.enabled = MLX4_MPT_DISABLED; - - return 0; -} -EXPORT_SYMBOL_GPL(mlx4_fmr_free); - int mlx4_SYNC_TPT(struct mlx4_dev *dev) { return mlx4_cmd(dev, 0, 0, 0, MLX4_CMD_SYNC_TPT, diff --git a/drivers/net/ethernet/qlogic/qed/qed.h b/drivers/net/ethernet/qlogic/qed/qed.h index 66ed39d6f357..a49743d56b9c 100644 --- a/drivers/net/ethernet/qlogic/qed/qed.h +++ b/drivers/net/ethernet/qlogic/qed/qed.h @@ -1014,6 +1014,7 @@ int qed_device_num_ports(struct qed_dev *cdev); int qed_fill_dev_info(struct qed_dev *cdev, struct qed_dev_info *dev_info); void qed_link_update(struct qed_hwfn *hwfn, struct qed_ptt *ptt); +void qed_bw_update(struct qed_hwfn *hwfn, struct qed_ptt *ptt); u32 qed_unzip_data(struct qed_hwfn *p_hwfn, u32 input_len, u8 *input_buf, u32 max_size, u8 *unzip_buf); diff --git a/drivers/net/ethernet/qlogic/qed/qed_main.c b/drivers/net/ethernet/qlogic/qed/qed_main.c index 83e798d4eebb..11367a248d55 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_main.c +++ b/drivers/net/ethernet/qlogic/qed/qed_main.c @@ -1949,6 +1949,15 @@ void qed_link_update(struct qed_hwfn *hwfn, struct qed_ptt *ptt) op->link_update(cookie, &if_link); } +void qed_bw_update(struct qed_hwfn *hwfn, struct qed_ptt *ptt) +{ + void *cookie = hwfn->cdev->ops_cookie; + struct qed_common_cb_ops *op = hwfn->cdev->protocol_ops.common; + + if (IS_LEAD_HWFN(hwfn) && cookie && op && op->bw_update) + op->bw_update(cookie); +} + static int qed_drain(struct qed_dev *cdev) { struct qed_hwfn *hwfn; diff --git a/drivers/net/ethernet/qlogic/qed/qed_rdma.c b/drivers/net/ethernet/qlogic/qed/qed_rdma.c index 98455f698f53..19c0c8864da1 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_rdma.c +++ b/drivers/net/ethernet/qlogic/qed/qed_rdma.c @@ -526,7 +526,6 @@ static void qed_rdma_init_devinfo(struct qed_hwfn *p_hwfn, dev->max_cqe = QED_RDMA_MAX_CQE_16_BIT; dev->max_mw = 0; - dev->max_fmr = QED_RDMA_MAX_FMR; dev->max_mr_mw_fmr_pbl = (PAGE_SIZE / 8) * (PAGE_SIZE / 8); dev->max_mr_mw_fmr_size = dev->max_mr_mw_fmr_pbl * PAGE_SIZE; dev->max_pkey = QED_RDMA_MAX_P_KEY; diff --git a/drivers/net/ethernet/qlogic/qed/qed_rdma.h b/drivers/net/ethernet/qlogic/qed/qed_rdma.h index 3898cae61e7a..1e69d5bb0a70 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_rdma.h +++ b/drivers/net/ethernet/qlogic/qed/qed_rdma.h @@ -45,7 +45,6 @@ #include "qed_iwarp.h" #include "qed_roce.h" -#define QED_RDMA_MAX_FMR (RDMA_MAX_TIDS) #define QED_RDMA_MAX_P_KEY (1) #define QED_RDMA_MAX_WQE (0x7FFF) #define QED_RDMA_MAX_SRQ_WQE_ELEM (0x7FFF) diff --git a/drivers/net/ethernet/toshiba/ps3_gelic_net.c b/drivers/net/ethernet/toshiba/ps3_gelic_net.c index 310e6839c6e5..d9a5722f561b 100644 --- a/drivers/net/ethernet/toshiba/ps3_gelic_net.c +++ b/drivers/net/ethernet/toshiba/ps3_gelic_net.c @@ -382,8 +382,6 @@ static int gelic_descr_prepare_rx(struct gelic_card *card, descr->skb = dev_alloc_skb(bufsize + GELIC_NET_RXBUF_ALIGN - 1); if (!descr->skb) { descr->buf_addr = 0; /* tell DMAC don't touch memory */ - dev_info(ctodev(card), - "%s:allocate skb failed !!\n", __func__); return -ENOMEM; } descr->buf_size = cpu_to_be32(bufsize); |