Commit 798e2df5 authored by Jiri Pirko's avatar Jiri Pirko Committed by David S. Miller
Browse files

mlxsw: reg: Extend MDDQ by device_info 



Extend existing MDDQ register by possibility to query information about
devices residing on a line card.

Signed-off-by: default avatarJiri Pirko <jiri@nvidia.com>
Signed-off-by: default avatarIdo Schimmel <idosch@nvidia.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 28b2d1f1

drivers/net/ethernet/mellanox/mlxsw/reg.h

+61 −1
Original line number Diff line number Diff line
@@ -11643,7 +11643,11 @@ MLXSW_ITEM32(reg, mddq, sie, 0x00, 31, 1); 


enum mlxsw_reg_mddq_query_type {

	MLXSW_REG_MDDQ_QUERY_TYPE_SLOT_INFO = 1,

	MLXSW_REG_MDDQ_QUERY_TYPE_SLOT_NAME = 3,

	MLXSW_REG_MDDQ_QUERY_TYPE_DEVICE_INFO, /* If there are no devices

						* on the slot, data_valid

						* will be '0'.

						*/

	MLXSW_REG_MDDQ_QUERY_TYPE_SLOT_NAME,

};



/* reg_mddq_query_type
@@ -11657,6 +11661,28 @@ MLXSW_ITEM32(reg, mddq, query_type, 0x00, 16, 8); 
 */

MLXSW_ITEM32(reg, mddq, slot_index, 0x00, 0, 4);



/* reg_mddq_response_msg_seq

 * Response message sequential number. For a specific request, the response

 * message sequential number is the following one. In addition, the last

 * message should be 0.

 * Access: RO

 */

MLXSW_ITEM32(reg, mddq, response_msg_seq, 0x04, 16, 8);



/* reg_mddq_request_msg_seq

 * Request message sequential number.

 * The first message number should be 0.

 * Access: Index

 */

MLXSW_ITEM32(reg, mddq, request_msg_seq, 0x04, 0, 8);



/* reg_mddq_data_valid

 * If set, the data in the data field is valid and contain the information

 * for the queried index.

 * Access: RO

 */

MLXSW_ITEM32(reg, mddq, data_valid, 0x08, 31, 1);



/* reg_mddq_slot_info_provisioned

 * If set, the INI file is applied and the card is provisioned.

 * Access: RO
@@ -11743,6 +11769,40 @@ mlxsw_reg_mddq_slot_info_unpack(const char *payload, u8 *p_slot_index, 
	*p_card_type = mlxsw_reg_mddq_slot_info_card_type_get(payload);

}



/* reg_mddq_device_info_flash_owner

 * If set, the device is the flash owner. Otherwise, a shared flash

 * is used by this device (another device is the flash owner).

 * Access: RO

 */

MLXSW_ITEM32(reg, mddq, device_info_flash_owner, 0x10, 30, 1);



/* reg_mddq_device_info_device_index

 * Device index. The first device should number 0.

 * Access: RO

 */

MLXSW_ITEM32(reg, mddq, device_info_device_index, 0x10, 0, 8);



static inline void

mlxsw_reg_mddq_device_info_pack(char *payload, u8 slot_index,

				u8 request_msg_seq)

{

	__mlxsw_reg_mddq_pack(payload, slot_index,

			      MLXSW_REG_MDDQ_QUERY_TYPE_DEVICE_INFO);

	mlxsw_reg_mddq_request_msg_seq_set(payload, request_msg_seq);

}



static inline void

mlxsw_reg_mddq_device_info_unpack(const char *payload, u8 *p_response_msg_seq,

				  bool *p_data_valid, bool *p_flash_owner,

				  u8 *p_device_index)

{

	*p_response_msg_seq = mlxsw_reg_mddq_response_msg_seq_get(payload);

	*p_data_valid = mlxsw_reg_mddq_data_valid_get(payload);

	if (p_flash_owner)

		*p_flash_owner = mlxsw_reg_mddq_device_info_flash_owner_get(payload);

	*p_device_index = mlxsw_reg_mddq_device_info_device_index_get(payload);

}



#define MLXSW_REG_MDDQ_SLOT_ASCII_NAME_LEN 20



/* reg_mddq_slot_ascii_name