mlx_reg_access.h File Reference

#include "../../include/public/mlx_icmd.h"

Go to the source code of this file.

Data Structures
struct	operation_tlv
struct	reg_tlv
struct	mail_box_tlv

Macros
#define	MLX_REG_ACCESS_H_
#define	REG_ACCESS_MAX_REG_SIZE   236
#define	REG_ID_NVDA   0x9024
#define	REG_ID_NVDI   0x9025
#define	REG_ID_NVIA   0x9029
#define	REG_ID_MLCR   0x902b
#define	REG_ID_NVQC   0x9030
#define	REG_ID_MFRL   0x9028
#define	REG_ID_PTYS   0x5004
#define	REG_ID_PMTU   0x5003

Enumerations
enum	REG_ACCESS_OPT { REG_ACCESS_READ = 1, REG_ACCESS_WRITE = 2 }

Functions
	FILE_LICENCE (GPL2_OR_LATER)
mlx_status	mlx_reg_access (IN mlx_utils *utils, IN mlx_uint16 reg_id, IN REG_ACCESS_OPT reg_opt, IN OUT mlx_void *reg_data, IN mlx_size reg_size, OUT mlx_uint32 *reg_status)

Macro Definition Documentation

MLX_REG_ACCESS_H_

#define MLX_REG_ACCESS_H_

Definition at line 23 of file mlx_reg_access.h.

REG_ACCESS_MAX_REG_SIZE

#define REG_ACCESS_MAX_REG_SIZE   236

Definition at line 27 of file mlx_reg_access.h.

REG_ID_NVDA

#define REG_ID_NVDA   0x9024

Definition at line 34 of file mlx_reg_access.h.

REG_ID_NVDI

#define REG_ID_NVDI   0x9025

Definition at line 35 of file mlx_reg_access.h.

REG_ID_NVIA

#define REG_ID_NVIA   0x9029

Definition at line 36 of file mlx_reg_access.h.

REG_ID_MLCR

#define REG_ID_MLCR   0x902b

Definition at line 37 of file mlx_reg_access.h.

REG_ID_NVQC

#define REG_ID_NVQC   0x9030

Definition at line 38 of file mlx_reg_access.h.

REG_ID_MFRL

#define REG_ID_MFRL   0x9028

Definition at line 39 of file mlx_reg_access.h.

REG_ID_PTYS

#define REG_ID_PTYS   0x5004

Definition at line 40 of file mlx_reg_access.h.

REG_ID_PMTU

#define REG_ID_PMTU   0x5003

Definition at line 41 of file mlx_reg_access.h.

Enumeration Type Documentation

REG_ACCESS_OPT

enum REG_ACCESS_OPT

Enumerator
REG_ACCESS_READ
REG_ACCESS_WRITE

Definition at line 29 of file mlx_reg_access.h.

             {
  REG_ACCESS_READ = 1,
  REG_ACCESS_WRITE = 2,
} REG_ACCESS_OPT;

Function Documentation

FILE_LICENCE()

FILE_LICENCE

(

GPL2_OR_LATER

)

mlx_reg_access()

mlx_status mlx_reg_access	(	IN mlx_utils *	utils,
		IN mlx_uint16	reg_id,
		IN REG_ACCESS_OPT	reg_opt,
		IN OUT mlx_void *	reg_data,
		IN mlx_size	reg_size,
		OUT mlx_uint32 *	reg_status
	)

Definition at line 47 of file mlx_reg_access.c.

{
        mlx_status status = MLX_SUCCESS;
        struct mail_box_tlv mail_box_tlv;

        if (utils == NULL || reg_data == NULL || reg_status == NULL
                        || reg_size > REG_ACCESS_MAX_REG_SIZE) {
                status = MLX_INVALID_PARAMETER;
                goto bad_param;
        }

        mlx_memory_set(utils, &mail_box_tlv, 0, sizeof(mail_box_tlv));

        init_operation_tlv(&mail_box_tlv, reg_id, reg_opt);

#define REG_ACCESS_TLV_REG 3
#define REG_TLV_HEADER_LEN 4
#define OP_TLV_SIZE 16
        mail_box_tlv.reg_tlv.Type = REG_ACCESS_TLV_REG;
        mail_box_tlv.reg_tlv.len  = ((reg_size + REG_TLV_HEADER_LEN + 3) >> 2); // length is in dwords round up
        mlx_memory_cpy(utils, &mail_box_tlv.reg_tlv.data, reg_data, reg_size);

        reg_size += OP_TLV_SIZE + REG_TLV_HEADER_LEN;

        status = mlx_icmd_send_command(utils, FLASH_REG_ACCESS, &mail_box_tlv, reg_size, reg_size);
        MLX_CHECK_STATUS(utils, status, icmd_err, "failed to send icmd");

        mlx_memory_cpy(utils, reg_data, &mail_box_tlv.reg_tlv.data,
                        reg_size - (OP_TLV_SIZE + REG_TLV_HEADER_LEN));

        *reg_status = mail_box_tlv.operation_tlv.status;
icmd_err:
bad_param:
        return status;
}

References reg_tlv::data, FLASH_REG_ACCESS, init_operation_tlv(), reg_tlv::len, MLX_CHECK_STATUS, mlx_icmd_send_command(), MLX_INVALID_PARAMETER, mlx_memory_cpy(), mlx_memory_set(), MLX_SUCCESS, NULL, OP_TLV_SIZE, mail_box_tlv::operation_tlv, REG_ACCESS_MAX_REG_SIZE, REG_ACCESS_TLV_REG, mail_box_tlv::reg_tlv, REG_TLV_HEADER_LEN, status, operation_tlv::status, and reg_tlv::Type.

Referenced by mlx_blink_leds(), mlx_get_max_mtu(), mlx_get_max_speed(), mlx_set_admin_mtu(), mlx_set_link_speed(), nvconfig_nvdata_access(), nvconfig_nvdata_invalidate(), nvconfig_query_capability(), and nvconfig_set_fw_reset_level().