mlx4_core: Enable memory windows in {INIT, QUERY}_HCA
Add memory windows-related code to INIT_HCA and QUERY_HCA. Signed-off-by: Haggai Eran <haggaie@mellanox.com> Signed-off-by: Shani Michaeli <shanim@mellanox.com> Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
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@ -1207,6 +1207,7 @@ int mlx4_INIT_HCA(struct mlx4_dev *dev, struct mlx4_init_hca_param *param)
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#define INIT_HCA_FS_IB_NUM_ADDRS_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x26)
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#define INIT_HCA_TPT_OFFSET 0x0f0
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#define INIT_HCA_DMPT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x00)
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#define INIT_HCA_TPT_MW_OFFSET (INIT_HCA_TPT_OFFSET + 0x08)
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#define INIT_HCA_LOG_MPT_SZ_OFFSET (INIT_HCA_TPT_OFFSET + 0x0b)
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#define INIT_HCA_MTT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x10)
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#define INIT_HCA_CMPT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x18)
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@ -1323,6 +1324,7 @@ int mlx4_INIT_HCA(struct mlx4_dev *dev, struct mlx4_init_hca_param *param)
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/* TPT attributes */
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MLX4_PUT(inbox, param->dmpt_base, INIT_HCA_DMPT_BASE_OFFSET);
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MLX4_PUT(inbox, param->mw_enabled, INIT_HCA_TPT_MW_OFFSET);
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MLX4_PUT(inbox, param->log_mpt_sz, INIT_HCA_LOG_MPT_SZ_OFFSET);
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MLX4_PUT(inbox, param->mtt_base, INIT_HCA_MTT_BASE_OFFSET);
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MLX4_PUT(inbox, param->cmpt_base, INIT_HCA_CMPT_BASE_OFFSET);
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@ -1419,6 +1421,7 @@ int mlx4_QUERY_HCA(struct mlx4_dev *dev,
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/* TPT attributes */
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MLX4_GET(param->dmpt_base, outbox, INIT_HCA_DMPT_BASE_OFFSET);
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MLX4_GET(param->mw_enabled, outbox, INIT_HCA_TPT_MW_OFFSET);
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MLX4_GET(param->log_mpt_sz, outbox, INIT_HCA_LOG_MPT_SZ_OFFSET);
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MLX4_GET(param->mtt_base, outbox, INIT_HCA_MTT_BASE_OFFSET);
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MLX4_GET(param->cmpt_base, outbox, INIT_HCA_CMPT_BASE_OFFSET);
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@ -170,6 +170,7 @@ struct mlx4_init_hca_param {
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u8 log_mc_table_sz;
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u8 log_mpt_sz;
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u8 log_uar_sz;
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u8 mw_enabled; /* Enable memory windows */
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u8 uar_page_sz; /* log pg sz in 4k chunks */
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u8 fs_hash_enable_bits;
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u8 steering_mode; /* for QUERY_HCA */
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@ -1447,6 +1447,10 @@ static int mlx4_init_hca(struct mlx4_dev *dev)
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init_hca.log_uar_sz = ilog2(dev->caps.num_uars);
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init_hca.uar_page_sz = PAGE_SHIFT - 12;
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init_hca.mw_enabled = 0;
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if (dev->caps.flags & MLX4_DEV_CAP_FLAG_MEM_WINDOW ||
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dev->caps.bmme_flags & MLX4_BMME_FLAG_TYPE_2_WIN)
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init_hca.mw_enabled = INIT_HCA_TPT_MW_ENABLE;
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err = mlx4_init_icm(dev, &dev_cap, &init_hca, icm_size);
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if (err)
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@ -60,6 +60,8 @@
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#define MLX4_FS_MGM_LOG_ENTRY_SIZE 7
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#define MLX4_FS_NUM_MCG (1 << 17)
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#define INIT_HCA_TPT_MW_ENABLE (1 << 7)
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enum {
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MLX4_FS_L2_HASH = 0,
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MLX4_FS_L2_L3_L4_HASH,
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