include/linux/mlx4/cmd.h

Source file repositories/reference/linux-study-clean/include/linux/mlx4/cmd.h

File Facts

System
Linux kernel
Corpus path
include/linux/mlx4/cmd.h
Extension
.h
Size
10099 bytes
Lines
335
Domain
Core OS
Bucket
Core Kernel Interface
Inferred role
Core OS: implementation source
Status
source implementation candidate

Why This File Exists

Core operating-system implementation surface: boot, tasks, memory, VFS, syscall-facing interfaces, synchronization, credentials, and isolation.

Dependency Surface

Detected Declarations

Annotated Snippet

struct mlx4_config_dev_params {
	u16	vxlan_udp_dport;
	u8	rx_csum_flags_port_1;
	u8	rx_csum_flags_port_2;
};

enum mlx4_en_congestion_control_algorithm {
	MLX4_CTRL_ALGO_802_1_QAU_REACTION_POINT = 0,
};

enum mlx4_en_congestion_control_opmod {
	MLX4_CONGESTION_CONTROL_GET_PARAMS,
	MLX4_CONGESTION_CONTROL_GET_STATISTICS,
	MLX4_CONGESTION_CONTROL_SET_PARAMS = 4,
};

struct mlx4_dev;

struct mlx4_cmd_mailbox {
	void		       *buf;
	dma_addr_t		dma;
};

int __mlx4_cmd(struct mlx4_dev *dev, u64 in_param, u64 *out_param,
	       int out_is_imm, u32 in_modifier, u8 op_modifier,
	       u16 op, unsigned long timeout, int native);

/* Invoke a command with no output parameter */
static inline int mlx4_cmd(struct mlx4_dev *dev, u64 in_param, u32 in_modifier,
			   u8 op_modifier, u16 op, unsigned long timeout,
			   int native)
{
	return __mlx4_cmd(dev, in_param, NULL, 0, in_modifier,
			  op_modifier, op, timeout, native);
}

/* Invoke a command with an output mailbox */
static inline int mlx4_cmd_box(struct mlx4_dev *dev, u64 in_param, u64 out_param,
			       u32 in_modifier, u8 op_modifier, u16 op,
			       unsigned long timeout, int native)
{
	return __mlx4_cmd(dev, in_param, &out_param, 0, in_modifier,
			  op_modifier, op, timeout, native);
}

/*
 * Invoke a command with an immediate output parameter (and copy the
 * output into the caller's out_param pointer after the command
 * executes).
 */
static inline int mlx4_cmd_imm(struct mlx4_dev *dev, u64 in_param, u64 *out_param,
			       u32 in_modifier, u8 op_modifier, u16 op,
			       unsigned long timeout, int native)
{
	return __mlx4_cmd(dev, in_param, out_param, 1, in_modifier,
			  op_modifier, op, timeout, native);
}

struct mlx4_cmd_mailbox *mlx4_alloc_cmd_mailbox(struct mlx4_dev *dev);
void mlx4_free_cmd_mailbox(struct mlx4_dev *dev, struct mlx4_cmd_mailbox *mailbox);

int mlx4_get_counter_stats(struct mlx4_dev *dev, int counter_index,
			   struct mlx4_counter *counter_stats, int reset);
int mlx4_get_vf_stats(struct mlx4_dev *dev, int port, int vf_idx,
		      struct ifla_vf_stats *vf_stats);
u32 mlx4_comm_get_version(void);
int mlx4_set_vf_mac(struct mlx4_dev *dev, int port, int vf, u8 *mac);
int mlx4_set_vf_vlan(struct mlx4_dev *dev, int port, int vf, u16 vlan,
		     u8 qos, __be16 proto);
int mlx4_set_vf_rate(struct mlx4_dev *dev, int port, int vf, int min_tx_rate,
		     int max_tx_rate);
int mlx4_set_vf_spoofchk(struct mlx4_dev *dev, int port, int vf, bool setting);
int mlx4_get_vf_config(struct mlx4_dev *dev, int port, int vf, struct ifla_vf_info *ivf);
int mlx4_set_vf_link_state(struct mlx4_dev *dev, int port, int vf, int link_state);
int mlx4_config_dev_retrieval(struct mlx4_dev *dev,
			      struct mlx4_config_dev_params *params);
void mlx4_cmd_wake_completions(struct mlx4_dev *dev);
void mlx4_report_internal_err_comm_event(struct mlx4_dev *dev);
/*
 * mlx4_get_slave_default_vlan -
 * return true if VST ( default vlan)
 * if VST, will return vlan & qos (if not NULL)
 */
bool mlx4_get_slave_default_vlan(struct mlx4_dev *dev, int port, int slave,
				 u16 *vlan, u8 *qos);

#define MLX4_COMM_GET_IF_REV(cmd_chan_ver) (u8)((cmd_chan_ver) >> 8)
#define COMM_CHAN_EVENT_INTERNAL_ERR (1 << 17)

#endif /* MLX4_CMD_H */

Annotation

Implementation Notes