Commit e1222c27 authored by Ohad Sharabi's avatar Ohad Sharabi Committed by Oded Gabbay
Browse files

habanalabs: report EQ fault during heartbeat 



In case we have EQ fault we would like to know about it.
For this, a status bitmask was added in which EQ_FAULT bit is
set by FW in case of EQ fault.

Signed-off-by: default avatarOhad Sharabi <osharabi@habana.ai>
Reviewed-by: default avatarOded Gabbay <ogabbay@kernel.org>
Signed-off-by: default avatarOded Gabbay <ogabbay@kernel.org>
parent 12d133de

drivers/misc/habanalabs/common/firmware_if.c

+7 −1
Original line number Diff line number Diff line
@@ -362,7 +362,7 @@ void hl_fw_cpu_accessible_dma_pool_free(struct hl_device *hdev, size_t size, 


int hl_fw_send_heartbeat(struct hl_device *hdev)

{

	struct cpucp_packet hb_pkt = {};

	struct cpucp_packet hb_pkt = {0};

	u64 result;

	int rc;
@@ -374,7 +374,13 @@ int hl_fw_send_heartbeat(struct hl_device *hdev) 
						sizeof(hb_pkt), 0, &result);



	if ((rc) || (result != CPUCP_PACKET_FENCE_VAL))

		return -EIO;



	if (le32_to_cpu(hb_pkt.status_mask) &

					CPUCP_PKT_HB_STATUS_EQ_FAULT_MASK) {

		dev_warn(hdev->dev, "FW reported EQ fault during heartbeat\n");

		rc = -EIO;

	}



	return rc;

}

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

+20 −0
Original line number Diff line number Diff line
@@ -404,6 +404,20 @@ enum cpucp_packet_id { 
#define CPUCP_PKT_RES_PLL_OUT3_SHIFT	48

#define CPUCP_PKT_RES_PLL_OUT3_MASK	0xFFFF000000000000ull



#define CPUCP_PKT_VAL_PFC_IN1_SHIFT	0

#define CPUCP_PKT_VAL_PFC_IN1_MASK	0x0000000000000001ull

#define CPUCP_PKT_VAL_PFC_IN2_SHIFT	1

#define CPUCP_PKT_VAL_PFC_IN2_MASK	0x000000000000001Eull



#define CPUCP_PKT_VAL_LPBK_IN1_SHIFT	0

#define CPUCP_PKT_VAL_LPBK_IN1_MASK	0x0000000000000001ull

#define CPUCP_PKT_VAL_LPBK_IN2_SHIFT	1

#define CPUCP_PKT_VAL_LPBK_IN2_MASK	0x000000000000001Eull



/* heartbeat status bits */

#define CPUCP_PKT_HB_STATUS_EQ_FAULT_SHIFT		0

#define CPUCP_PKT_HB_STATUS_EQ_FAULT_MASK		0x00000001



struct cpucp_packet {

	union {

		__le64 value;	/* For SET packets */
@@ -445,6 +459,12 @@ struct cpucp_packet { 


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

		__le32 data_max_size;



		/*

		 * For any general status bitmask. Shall be used whenever the

		 * result cannot be used to hold general purpose data.

		 */

		__le32 status_mask;

	};



	__le32 reserved;