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authorSagi Grimberg <sagig@mellanox.com>2014-02-23 16:19:06 +0400
committerRoland Dreier <roland@purestorage.com>2014-03-07 23:26:49 +0400
commit3121e3c441b5eccdd15e6c320ec32215b334b9ec (patch)
treecaee56913d52fd2019ff11fcb7ce3af2d765eb36 /include/linux/mlx5
parent1b01d33560e78417334c2dc673bbfac6c644424c (diff)
downloadlinux-3121e3c441b5eccdd15e6c320ec32215b334b9ec.tar.xz
mlx5: Implement create_mr and destroy_mr
Support create_mr and destroy_mr verbs. Creating ib_mr may be done for either ib_mr that will register regular page lists like alloc_fast_reg_mr routine, or indirect ib_mrs that can register other (pre-registered) ib_mrs in an indirect manner. In addition user may request signature enable, that will mean that the created ib_mr may be attached with signature attributes (BSF, PSVs). Currently we only allow direct/indirect registration modes. Signed-off-by: Sagi Grimberg <sagig@mellanox.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
Diffstat (limited to 'include/linux/mlx5')
-rw-r--r--include/linux/mlx5/device.h25
-rw-r--r--include/linux/mlx5/driver.h19
2 files changed, 44 insertions, 0 deletions
diff --git a/include/linux/mlx5/device.h b/include/linux/mlx5/device.h
index 817a6fae6d2c..f714fc427765 100644
--- a/include/linux/mlx5/device.h
+++ b/include/linux/mlx5/device.h
@@ -48,6 +48,8 @@ enum {
MLX5_MAX_COMMANDS = 32,
MLX5_CMD_DATA_BLOCK_SIZE = 512,
MLX5_PCI_CMD_XPORT = 7,
+ MLX5_MKEY_BSF_OCTO_SIZE = 4,
+ MLX5_MAX_PSVS = 4,
};
enum {
@@ -936,4 +938,27 @@ enum {
MLX_EXT_PORT_CAP_FLAG_EXTENDED_PORT_INFO = 1 << 0
};
+struct mlx5_allocate_psv_in {
+ struct mlx5_inbox_hdr hdr;
+ __be32 npsv_pd;
+ __be32 rsvd_psv0;
+};
+
+struct mlx5_allocate_psv_out {
+ struct mlx5_outbox_hdr hdr;
+ u8 rsvd[8];
+ __be32 psv_idx[4];
+};
+
+struct mlx5_destroy_psv_in {
+ struct mlx5_inbox_hdr hdr;
+ __be32 psv_number;
+ u8 rsvd[4];
+};
+
+struct mlx5_destroy_psv_out {
+ struct mlx5_outbox_hdr hdr;
+ u8 rsvd[8];
+};
+
#endif /* MLX5_DEVICE_H */
diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h
index 130bc8d77fa5..e1cb657ccade 100644
--- a/include/linux/mlx5/driver.h
+++ b/include/linux/mlx5/driver.h
@@ -401,6 +401,22 @@ struct mlx5_eq {
struct mlx5_rsc_debug *dbg;
};
+struct mlx5_core_psv {
+ u32 psv_idx;
+ struct psv_layout {
+ u32 pd;
+ u16 syndrome;
+ u16 reserved;
+ u16 bg;
+ u16 app_tag;
+ u32 ref_tag;
+ } psv;
+};
+
+struct mlx5_core_sig_ctx {
+ struct mlx5_core_psv psv_memory;
+ struct mlx5_core_psv psv_wire;
+};
struct mlx5_core_mr {
u64 iova;
@@ -746,6 +762,9 @@ void mlx5_db_free(struct mlx5_core_dev *dev, struct mlx5_db *db);
const char *mlx5_command_str(int command);
int mlx5_cmdif_debugfs_init(struct mlx5_core_dev *dev);
void mlx5_cmdif_debugfs_cleanup(struct mlx5_core_dev *dev);
+int mlx5_core_create_psv(struct mlx5_core_dev *dev, u32 pdn,
+ int npsvs, u32 *sig_index);
+int mlx5_core_destroy_psv(struct mlx5_core_dev *dev, int psv_num);
static inline u32 mlx5_mkey_to_idx(u32 mkey)
{