UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

mlxsw: reg: Add Management Temperature Bulk Register 

Add MTBR (Management Temperature Bulk Register), which is used for port
temperature reading in a bulk mode.

Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vadim Pasternak 2019-02-13 11:28:45 +00:00 committed by David S. Miller
parent d517ee7ca8
commit 5f28ef71a5
1 changed files with 75 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

75
drivers/net/ethernet/mellanox/mlxsw/reg.h
View File

@ -8001,6 +8001,80 @@ static inline void mlxsw_reg_mtmp_unpack(char *payload, unsigned int *p_temp,
mlxsw_reg_mtmp_sensor_name_memcpy_from(payload, sensor_name);
}
/* MTBR - Management Temperature Bulk Register
* -------------------------------------------
* This register is used for bulk temperature reading.
*/
#define MLXSW_REG_MTBR_ID 0x900F
#define MLXSW_REG_MTBR_BASE_LEN 0x10 /* base length, without records */
#define MLXSW_REG_MTBR_REC_LEN 0x04 /* record length */
#define MLXSW_REG_MTBR_REC_MAX_COUNT 47 /* firmware limitation */
#define MLXSW_REG_MTBR_LEN (MLXSW_REG_MTBR_BASE_LEN + \
MLXSW_REG_MTBR_REC_LEN * \
MLXSW_REG_MTBR_REC_MAX_COUNT)
MLXSW_REG_DEFINE(mtbr, MLXSW_REG_MTBR_ID, MLXSW_REG_MTBR_LEN);
/* reg_mtbr_base_sensor_index
* Base sensors index to access (0 - ASIC sensor, 1-63 - ambient sensors,
* 64-127 are mapped to the SFP+/QSFP modules sequentially).
* Access: Index
*/
MLXSW_ITEM32(reg, mtbr, base_sensor_index, 0x00, 0, 7);
/* reg_mtbr_num_rec
* Request: Number of records to read
* Response: Number of records read
* See above description for more details.
* Range 1..255
* Access: RW
*/
MLXSW_ITEM32(reg, mtbr, num_rec, 0x04, 0, 8);
/* reg_mtbr_rec_max_temp
* The highest measured temperature from the sensor.
* When the bit mte is cleared, the field max_temperature is reserved.
* Access: RO
*/
MLXSW_ITEM32_INDEXED(reg, mtbr, rec_max_temp, MLXSW_REG_MTBR_BASE_LEN, 16,
16, MLXSW_REG_MTBR_REC_LEN, 0x00, false);
/* reg_mtbr_rec_temp
* Temperature reading from the sensor. Reading is in 0..125 Celsius
* degrees units.
* Access: RO
*/
MLXSW_ITEM32_INDEXED(reg, mtbr, rec_temp, MLXSW_REG_MTBR_BASE_LEN, 0, 16,
MLXSW_REG_MTBR_REC_LEN, 0x00, false);
static inline void mlxsw_reg_mtbr_pack(char *payload, u8 base_sensor_index,
u8 num_rec)
{
MLXSW_REG_ZERO(mtbr, payload);
mlxsw_reg_mtbr_base_sensor_index_set(payload, base_sensor_index);
mlxsw_reg_mtbr_num_rec_set(payload, num_rec);
}
/* Error codes from temperatute reading */
enum mlxsw_reg_mtbr_temp_status {
MLXSW_REG_MTBR_NO_CONN = 0x8000,
MLXSW_REG_MTBR_NO_TEMP_SENS = 0x8001,
MLXSW_REG_MTBR_INDEX_NA = 0x8002,
MLXSW_REG_MTBR_BAD_SENS_INFO = 0x8003,
};
/* Base index for reading modules temperature */
#define MLXSW_REG_MTBR_BASE_MODULE_INDEX 64
static inline void mlxsw_reg_mtbr_temp_unpack(char *payload, int rec_ind,
u16 *p_temp, u16 *p_max_temp)
{
if (p_temp)
*p_temp = mlxsw_reg_mtbr_rec_temp_get(payload, rec_ind);
if (p_max_temp)
*p_max_temp = mlxsw_reg_mtbr_rec_max_temp_get(payload, rec_ind);
}
/* MCIA - Management Cable Info Access
* -----------------------------------
* MCIA register is used to access the SFP+ and QSFP connector's EPROM.
@ -9779,6 +9853,7 @@ static const struct mlxsw_reg_info *mlxsw_reg_infos[] = {
MLXSW_REG(mfsl),
MLXSW_REG(mtcap),
MLXSW_REG(mtmp),
MLXSW_REG(mtbr),
MLXSW_REG(mcia),
MLXSW_REG(mpat),
MLXSW_REG(mpar),