habanalabs: add a value field to hl_fw_send_pci_access_msg()

For gaudi2 we need to send a value to F/W as part of the
PCI_ACCESS packet.
As a preparation, modify hl_fw_send_pci_access_msg() to have a 'value'
field.
Signed-off-by: Tomer Tayar <ttayar@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>

drivers/misc/habanalabs/common/device.c

@@ -1259,8 +1259,7 @@ static void handle_reset_trigger(struct hl_device *hdev, u32 flags)
 		 * of heartbeat, the device CPU is marked as disable
 		 * so this message won't be sent
 		 */
-		if (hl_fw_send_pci_access_msg(hdev,
-				CPUCP_PACKET_DISABLE_PCI_ACCESS))
+		if (hl_fw_send_pci_access_msg(hdev, CPUCP_PACKET_DISABLE_PCI_ACCESS, 0x0))
 			dev_warn(hdev->dev,
 				"Failed to disable PCI access by F/W\n");
 	}
@@ -2054,7 +2053,7 @@ void hl_device_fini(struct hl_device *hdev)
 	 * message won't be send. Also, in case of heartbeat, the device CPU is
 	 * marked as disable so this message won't be sent
 	 */
-	hl_fw_send_pci_access_msg(hdev,	CPUCP_PACKET_DISABLE_PCI_ACCESS);
+	hl_fw_send_pci_access_msg(hdev,	CPUCP_PACKET_DISABLE_PCI_ACCESS, 0x0);
 
 	/* Mark device as disabled */
 	hdev->disabled = true;

drivers/misc/habanalabs/common/firmware_if.c

@@ -242,14 +242,14 @@ int hl_fw_load_fw_to_device(struct hl_device *hdev, const char *fw_name,
 	return rc;
 }
 
-int hl_fw_send_pci_access_msg(struct hl_device *hdev, u32 opcode)
+int hl_fw_send_pci_access_msg(struct hl_device *hdev, u32 opcode, u64 value)
 {
 	struct cpucp_packet pkt = {};
 
 	pkt.ctl = cpu_to_le32(opcode << CPUCP_PKT_CTL_OPCODE_SHIFT);
+	pkt.value = cpu_to_le64(value);
 
-	return hdev->asic_funcs->send_cpu_message(hdev, (u32 *) &pkt,
-						sizeof(pkt), 0, NULL);
+	return hdev->asic_funcs->send_cpu_message(hdev, (u32 *) &pkt, sizeof(pkt), 0, NULL);
 }
 
 int hl_fw_send_cpu_message(struct hl_device *hdev, u32 hw_queue_id, u32 *msg,

drivers/misc/habanalabs/common/habanalabs.h

@@ -3631,7 +3631,7 @@ bool hl_is_dram_va(struct hl_device *hdev, u64 virt_addr);
 
 int hl_fw_load_fw_to_device(struct hl_device *hdev, const char *fw_name,
 				void __iomem *dst, u32 src_offset, u32 size);
-int hl_fw_send_pci_access_msg(struct hl_device *hdev, u32 opcode);
+int hl_fw_send_pci_access_msg(struct hl_device *hdev, u32 opcode, u64 value);
 int hl_fw_send_cpu_message(struct hl_device *hdev, u32 hw_queue_id, u32 *msg,
 				u16 len, u32 timeout, u64 *result);
 int hl_fw_unmask_irq(struct hl_device *hdev, u16 event_type);

drivers/misc/habanalabs/gaudi/gaudi.c

@@ -1632,7 +1632,7 @@ static int gaudi_late_init(struct hl_device *hdev)
 		gaudi->hw_cap_initialized &= ~(HW_CAP_NIC0 | HW_CAP_NIC1);
 	}
 
-	rc = hl_fw_send_pci_access_msg(hdev, CPUCP_PACKET_ENABLE_PCI_ACCESS);
+	rc = hl_fw_send_pci_access_msg(hdev, CPUCP_PACKET_ENABLE_PCI_ACCESS, 0x0);
 	if (rc) {
 		dev_err(hdev->dev, "Failed to enable PCI access from CPU\n");
 		return rc;
@@ -1677,7 +1677,7 @@ static int gaudi_late_init(struct hl_device *hdev)
 	return 0;
 
 disable_pci_access:
-	hl_fw_send_pci_access_msg(hdev, CPUCP_PACKET_DISABLE_PCI_ACCESS);
+	hl_fw_send_pci_access_msg(hdev, CPUCP_PACKET_DISABLE_PCI_ACCESS, 0x0);
 
 	return rc;
 }
@@ -4236,7 +4236,7 @@ static int gaudi_suspend(struct hl_device *hdev)
 {
 	int rc;
 
-	rc = hl_fw_send_pci_access_msg(hdev, CPUCP_PACKET_DISABLE_PCI_ACCESS);
+	rc = hl_fw_send_pci_access_msg(hdev, CPUCP_PACKET_DISABLE_PCI_ACCESS, 0x0);
 	if (rc)
 		dev_err(hdev->dev, "Failed to disable PCI access from CPU\n");
 

drivers/misc/habanalabs/gaudi2/gaudi2.c

@@ -2675,7 +2675,7 @@ static int gaudi2_late_init(struct hl_device *hdev)
 {
 	int rc;
 
-	rc = hl_fw_send_pci_access_msg(hdev, CPUCP_PACKET_ENABLE_PCI_ACCESS);
+	rc = hl_fw_send_pci_access_msg(hdev, CPUCP_PACKET_ENABLE_PCI_ACCESS, 0x0);
 	if (rc) {
 		dev_err(hdev->dev, "Failed to enable PCI access from CPU\n");
 		return rc;
@@ -2694,7 +2694,7 @@ static int gaudi2_late_init(struct hl_device *hdev)
 	return 0;
 
 disable_pci_access:
-	hl_fw_send_pci_access_msg(hdev, CPUCP_PACKET_DISABLE_PCI_ACCESS);
+	hl_fw_send_pci_access_msg(hdev, CPUCP_PACKET_DISABLE_PCI_ACCESS, 0x0);
 
 	return rc;
 }
@@ -5323,7 +5323,7 @@ static int gaudi2_suspend(struct hl_device *hdev)
 {
 	int rc;
 
-	rc = hl_fw_send_pci_access_msg(hdev, CPUCP_PACKET_DISABLE_PCI_ACCESS);
+	rc = hl_fw_send_pci_access_msg(hdev, CPUCP_PACKET_DISABLE_PCI_ACCESS, 0x0);
 	if (rc)
 		dev_err(hdev->dev, "Failed to disable PCI access from CPU\n");
 

drivers/misc/habanalabs/goya/goya.c

@@ -888,7 +888,7 @@ int goya_late_init(struct hl_device *hdev)
 	 */
 	WREG32(mmMMU_LOG2_DDR_SIZE, ilog2(prop->dram_size));
 
-	rc = hl_fw_send_pci_access_msg(hdev, CPUCP_PACKET_ENABLE_PCI_ACCESS);
+	rc = hl_fw_send_pci_access_msg(hdev, CPUCP_PACKET_ENABLE_PCI_ACCESS, 0x0);
 	if (rc) {
 		dev_err(hdev->dev,
 			"Failed to enable PCI access from CPU %d\n", rc);
@@ -2878,7 +2878,7 @@ int goya_suspend(struct hl_device *hdev)
 {
 	int rc;
 
-	rc = hl_fw_send_pci_access_msg(hdev, CPUCP_PACKET_DISABLE_PCI_ACCESS);
+	rc = hl_fw_send_pci_access_msg(hdev, CPUCP_PACKET_DISABLE_PCI_ACCESS, 0x0);
 	if (rc)
 		dev_err(hdev->dev, "Failed to disable PCI access from CPU\n");