struct cpucp_packet *pkt;
dma_addr_t pkt_dma_addr;
struct hl_bd *sent_bd;
- u32 tmp, expected_ack_val, pi;
+ u32 tmp, expected_ack_val, pi, opcode;
int rc;
pkt = hl_cpu_accessible_dma_pool_alloc(hdev, len, &pkt_dma_addr);
rc = (tmp & CPUCP_PKT_CTL_RC_MASK) >> CPUCP_PKT_CTL_RC_SHIFT;
if (rc) {
- dev_dbg(hdev->dev, "F/W ERROR %d for CPU packet %d\n",
- rc, (tmp & CPUCP_PKT_CTL_OPCODE_MASK) >> CPUCP_PKT_CTL_OPCODE_SHIFT);
+ opcode = (tmp & CPUCP_PKT_CTL_OPCODE_MASK) >> CPUCP_PKT_CTL_OPCODE_SHIFT;
+
+ if (!prop->supports_advanced_cpucp_rc) {
+ dev_dbg(hdev->dev, "F/W ERROR %d for CPU packet %d\n", rc, opcode);
+ goto scrub_descriptor;
+ }
+
+ switch (rc) {
+ case cpucp_packet_invalid:
+ dev_err(hdev->dev,
+ "CPU packet %d is not supported by F/W\n", opcode);
+ break;
+ case cpucp_packet_fault:
+ dev_err(hdev->dev,
+ "F/W failed processing CPU packet %d\n", opcode);
+ break;
+ case cpucp_packet_invalid_pkt:
+ dev_dbg(hdev->dev,
+ "CPU packet %d is not supported by F/W\n", opcode);
+ break;
+ case cpucp_packet_invalid_params:
+ dev_err(hdev->dev,
+ "F/W reports invalid parameters for CPU packet %d\n", opcode);
+ break;
+
+ default:
+ dev_err(hdev->dev,
+ "Unknown F/W ERROR %d for CPU packet %d\n", rc, opcode);
+ }
/* propagate the return code from the f/w to the callers who want to check it */
if (result)
*result = le64_to_cpu(pkt->result);
}
+scrub_descriptor:
/* Scrub previous buffer descriptor 'ctl' field which contains the
* previous PI value written during packet submission.
* We must do this or else F/W can read an old value upon queue wraparound.
* @set_max_power_on_device_init: true if need to set max power in F/W on device init.
* @supports_user_set_page_size: true if user can set the allocation page size.
* @dma_mask: the dma mask to be set for this device
+ * @supports_advanced_cpucp_rc: true if new cpucp opcodes are supported.
*/
struct asic_fixed_properties {
struct hw_queue_properties *hw_queues_props;
u8 set_max_power_on_device_init;
u8 supports_user_set_page_size;
u8 dma_mask;
+ u8 supports_advanced_cpucp_rc;
};
/**
CPUCP_LED2_INDEX
};
+/*
+ * enum cpucp_packet_rc - Error return code
+ * @cpucp_packet_success -> in case of success.
+ * @cpucp_packet_invalid -> this is to support Goya and Gaudi platform.
+ * @cpucp_packet_fault -> in case of processing error like failing to
+ * get device binding or semaphore etc.
+ * @cpucp_packet_invalid_pkt -> when cpucp packet is un-supported. This is
+ * supported Greco onwards.
+ * @cpucp_packet_invalid_params -> when checking parameter like length of buffer
+ * or attribute value etc. Supported Greco onwards.
+ * @cpucp_packet_rc_max -> It indicates size of enum so should be at last.
+ */
enum cpucp_packet_rc {
cpucp_packet_success,
cpucp_packet_invalid,
- cpucp_packet_fault
+ cpucp_packet_fault,
+ cpucp_packet_invalid_pkt,
+ cpucp_packet_invalid_params,
+ cpucp_packet_rc_max
};
/*