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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2016-01-06 17:31:06 -0800 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2016-01-06 17:31:06 -0800 |
| commit | efbc57c0e6a92083fce03927736f5d389182935b (patch) | |
| tree | 2e900ae80abfd296a6f0c0c3a7e6c1ae95ae2705 /include/linux/mlx4/device.h | |
| parent | 4b1af853646ca893fa686701d1605998fffcc82c (diff) | |
| parent | 57c80e8e5d1cddae0651e5314394e6069ebbbe3c (diff) | |
Merge branch 'goodix' into next
Merge several improvements to Goodix touchscreen driver:
- power management support
- configuration upload
- axis swapping and inversion
Diffstat (limited to 'include/linux/mlx4/device.h')
| -rw-r--r-- | include/linux/mlx4/device.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h index 7501626ab529..d3133be12d92 100644 --- a/include/linux/mlx4/device.h +++ b/include/linux/mlx4/device.h @@ -427,6 +427,17 @@ enum { }; enum { + /* + * Max wqe size for rdma read is 512 bytes, so this + * limits our max_sge_rd as the wqe needs to fit: + * - ctrl segment (16 bytes) + * - rdma segment (16 bytes) + * - scatter elements (16 bytes each) + */ + MLX4_MAX_SGE_RD = (512 - 16 - 16) / 16 +}; + +enum { MLX4_DEV_PMC_SUBTYPE_GUID_INFO = 0x14, MLX4_DEV_PMC_SUBTYPE_PORT_INFO = 0x15, MLX4_DEV_PMC_SUBTYPE_PKEY_TABLE = 0x16, |