Commit b3a9c0bd authored by Oded Gabbay's avatar Oded Gabbay
Browse files

habanalabs/gaudi: add NIC firmware-related definitions 



Add new structures and messages that the driver use to interact with the
firmware to receive information and events (errors) about GAUDI's NIC.

Signed-off-by: default avatarOmer Shpigelman <oshpigelman@habana.ai>
Reviewed-by: default avatarOded Gabbay <ogabbay@kernel.org>
Signed-off-by: default avatarOded Gabbay <ogabbay@kernel.org>
parent 16ac3650

drivers/misc/habanalabs/include/common/cpucp_if.h

+30 −4
Original line number Diff line number Diff line
@@ -9,6 +9,7 @@ 
#define CPUCP_IF_H



#include <linux/types.h>

#include <linux/if_ether.h>



/*

 * EVENT QUEUE
@@ -199,6 +200,11 @@ enum pq_init_status { 
 *       CpuCP to write to the structure, to prevent data corruption in case of

 *       mismatched driver/FW versions.

 *

 * CPUCP_PACKET_NIC_INFO_GET -

 *       Fetch information from the device regarding the NIC. the host's driver

 *       passes the max size it allows the CpuCP to write to the structure, to

 *       prevent data corruption in case of mismatched driver/FW versions.

 *

 * CPUCP_PACKET_TEMPERATURE_SET -

 *       Set the value of the offset property of a specified thermal sensor.

 *       The packet's arguments specify the desired sensor and the field to
@@ -244,7 +250,7 @@ enum cpucp_packet_id { 
	CPUCP_PACKET_MAX_POWER_GET,		/* sysfs */

	CPUCP_PACKET_MAX_POWER_SET,		/* sysfs */

	CPUCP_PACKET_EEPROM_DATA_GET,		/* sysfs */

	CPUCP_RESERVED,

	CPUCP_PACKET_NIC_INFO_GET,		/* internal */

	CPUCP_PACKET_TEMPERATURE_SET,		/* sysfs */

	CPUCP_PACKET_VOLTAGE_SET,		/* sysfs */

	CPUCP_PACKET_CURRENT_SET,		/* sysfs */
@@ -300,7 +306,7 @@ struct cpucp_packet { 
		/* For led set */

		__le32 led_index;



		/* For get CpuCP info/EEPROM data */

		/* For get CpuCP info/EEPROM data/NIC info */

		__le32 data_max_size;

	};
@@ -392,6 +398,12 @@ struct eq_generic_event { 
#define CARD_NAME_MAX_LEN		16

#define VERSION_MAX_LEN			128

#define CPUCP_MAX_SENSORS		128

#define CPUCP_MAX_NICS			128

#define CPUCP_LANES_PER_NIC		4

#define CPUCP_NIC_QSFP_EEPROM_MAX_LEN	1024

#define CPUCP_MAX_NIC_LANES		(CPUCP_MAX_NICS * CPUCP_LANES_PER_NIC)

#define CPUCP_NIC_MASK_ARR_LEN		((CPUCP_MAX_NICS + 63) / 64)

#define CPUCP_NIC_POLARITY_ARR_LEN	((CPUCP_MAX_NIC_LANES + 63) / 64)



struct cpucp_sensor {

	__le32 type;
@@ -440,4 +452,18 @@ struct cpucp_info { 
	char card_name[CARD_NAME_MAX_LEN];

};



struct cpucp_mac_addr {

	__u8 mac_addr[ETH_ALEN];

};



struct cpucp_nic_info {

	struct cpucp_mac_addr mac_addrs[CPUCP_MAX_NICS];

	__le64 link_mask[CPUCP_NIC_MASK_ARR_LEN];

	__le64 pol_tx_mask[CPUCP_NIC_POLARITY_ARR_LEN];

	__le64 pol_rx_mask[CPUCP_NIC_POLARITY_ARR_LEN];

	__le64 link_ext_mask[CPUCP_NIC_MASK_ARR_LEN];

	__u8 qsfp_eeprom[CPUCP_NIC_QSFP_EEPROM_MAX_LEN];

	__le64 auto_neg_mask[CPUCP_NIC_MASK_ARR_LEN];

};



#endif /* CPUCP_IF_H */

drivers/misc/habanalabs/include/gaudi/gaudi_fw_if.h

+24 −0
Original line number Diff line number Diff line
@@ -8,6 +8,8 @@ 
#ifndef GAUDI_FW_IF_H

#define GAUDI_FW_IF_H



#include <linux/types.h>



#define GAUDI_EVENT_QUEUE_MSI_IDX	8

#define GAUDI_NIC_PORT1_MSI_IDX		10

#define GAUDI_NIC_PORT3_MSI_IDX		12
@@ -31,6 +33,28 @@ enum gaudi_pll_index { 
	IF_PLL

};



enum gaudi_nic_axi_error {

	RXB,

	RXE,

	TXS,

	TXE,

	QPC_RESP,

	NON_AXI_ERR,

};



/*

 * struct eq_nic_sei_event - describes an AXI error cause.

 * @axi_error_cause: one of the events defined in enum gaudi_nic_axi_error.

 * @id: can be either 0 or 1, to further describe unit with interrupt cause

 *      (i.e. TXE0 or TXE1).

 * @pad[6]: padding structure to 64bit.

 */

struct eq_nic_sei_event {

	__u8 axi_error_cause;

	__u8 id;

	__u8 pad[6];

};



#define GAUDI_PLL_FREQ_LOW		200000000 /* 200 MHz */



#endif /* GAUDI_FW_IF_H */