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net/mlx4_core: Introduce ACCESS_REG CMD and eth_prot_ctrl dev cap

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Adding ACCESS REG mlx4 command and use it to implement Query method for
PTYS (Port Type and Speed Register).
Query and store eth_prot_ctrl dev cap.

Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Saeed Mahameed
2014-10-27 11:37:37 +02:00
committed by David S. Miller
parent 7202da8b7f
commit adbc7ac5c1
4 changed files with 166 additions and 3 deletions
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2
include/linux/mlx4/cmd.h
View File

@@ -67,6 +67,8 @@ enum {
MLX4_CMD_MAP_ICM_AUX = 0xffc,
MLX4_CMD_UNMAP_ICM_AUX = 0xffb,
MLX4_CMD_SET_ICM_SIZE = 0xffd,
MLX4_CMD_ACCESS_REG = 0x3b,
/*master notify fw on finish for slave's flr*/
MLX4_CMD_INFORM_FLR_DONE = 0x5b,
MLX4_CMD_GET_OP_REQ = 0x59,

40
include/linux/mlx4/device.h
View File

@@ -186,7 +186,8 @@ enum {
MLX4_DEV_CAP_FLAG2_VXLAN_OFFLOADS = 1LL << 10,
MLX4_DEV_CAP_FLAG2_MAD_DEMUX = 1LL << 11,
MLX4_DEV_CAP_FLAG2_CQE_STRIDE = 1LL << 12,
MLX4_DEV_CAP_FLAG2_EQE_STRIDE = 1LL << 13
MLX4_DEV_CAP_FLAG2_EQE_STRIDE = 1LL << 13,
MLX4_DEV_CAP_FLAG2_ETH_PROT_CTRL = 1LL << 14
};
enum {
@@ -1319,4 +1320,41 @@ static inline bool mlx4_low_memory_profile(void)
return is_kdump_kernel();
}
/* ACCESS REG commands */
enum mlx4_access_reg_method {
MLX4_ACCESS_REG_QUERY = 0x1,
MLX4_ACCESS_REG_WRITE = 0x2,
};
/* ACCESS PTYS Reg command */
enum mlx4_ptys_proto {
MLX4_PTYS_IB = 1<<0,
MLX4_PTYS_EN = 1<<2,
};
struct mlx4_ptys_reg {
u8 resrvd1;
u8 local_port;
u8 resrvd2;
u8 proto_mask;
__be32 resrvd3[2];
__be32 eth_proto_cap;
__be16 ib_width_cap;
__be16 ib_speed_cap;
__be32 resrvd4;
__be32 eth_proto_admin;
__be16 ib_width_admin;
__be16 ib_speed_admin;
__be32 resrvd5;
__be32 eth_proto_oper;
__be16 ib_width_oper;
__be16 ib_speed_oper;
__be32 resrvd6;
__be32 eth_proto_lp_adv;
} __packed;
int mlx4_ACCESS_PTYS_REG(struct mlx4_dev *dev,
enum mlx4_access_reg_method method,
struct mlx4_ptys_reg *ptys_reg);
#endif /* MLX4_DEVICE_H */