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IB/mlx4: Add support for memory management extensions and local DMA L_Key

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Add support for the following operations to mlx4 when device firmware
supports them:

 - Send with invalidate and local invalidate send queue work requests;
 - Allocate/free fast register MRs;
 - Allocate/free fast register MR page lists;
 - Fast register MR send queue work requests;
 - Local DMA L_Key.

Signed-off-by: Roland Dreier <rolandd@cisco.com>
This commit is contained in:
Roland Dreier
2008-07-23 08:12:26 -07:00
parent e4044cfc49
commit 95d04f0735
11 changed files with 221 additions and 22 deletions
Download Patch File Download Diff File Expand all files Collapse all files
include/linux/mlx4/device.h
+10
View File
@@ -68,6 +68,14 @@ enum {
MLX4_DEV_CAP_FLAG_UD_MCAST = 1 << 21
};
enum {
MLX4_BMME_FLAG_LOCAL_INV = 1 << 6,
MLX4_BMME_FLAG_REMOTE_INV = 1 << 7,
MLX4_BMME_FLAG_TYPE_2_WIN = 1 << 9,
MLX4_BMME_FLAG_RESERVED_LKEY = 1 << 10,
MLX4_BMME_FLAG_FAST_REG_WR = 1 << 11,
};
enum mlx4_event {
MLX4_EVENT_TYPE_COMP = 0x00,
MLX4_EVENT_TYPE_PATH_MIG = 0x01,
@@ -184,6 +192,8 @@ struct mlx4_caps {
u32 max_msg_sz;
u32 page_size_cap;
u32 flags;
u32 bmme_flags;
u32 reserved_lkey;
u16 stat_rate_support;
u8 port_width_cap[MLX4_MAX_PORTS + 1];
int max_gso_sz;
include/linux/mlx4/qp.h
+12 -4
View File
@@ -233,6 +233,14 @@ struct mlx4_wqe_bind_seg {
__be64 length;
};
enum {
MLX4_WQE_FMR_PERM_LOCAL_READ = 1 << 27,
MLX4_WQE_FMR_PERM_LOCAL_WRITE = 1 << 28,
MLX4_WQE_FMR_PERM_REMOTE_READ = 1 << 29,
MLX4_WQE_FMR_PERM_REMOTE_WRITE = 1 << 30,
MLX4_WQE_FMR_PERM_ATOMIC = 1 << 31
};
struct mlx4_wqe_fmr_seg {
__be32 flags;
__be32 mem_key;
@@ -255,11 +263,11 @@ struct mlx4_wqe_fmr_ext_seg {
};
struct mlx4_wqe_local_inval_seg {
u8 flags;
u8 reserved1[3];
__be32 flags;
u32 reserved1;
__be32 mem_key;
u8 reserved2[3];
u8 guest_id;
u32 reserved2[2];
__be32 guest_id;
__be64 pa;
};