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Code Issues Releases Wiki Activity

habanalabs: add a value field to hl_fw_send_pci_access_msg()

Browse source 
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>
This commit is contained in:
Tomer Tayar 2022-07-06 10:20:54 +03:00 committed by Oded Gabbay
parent 20cd88a775
commit af2e650b36
6 changed files with 14 additions and 15 deletions
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5
drivers/misc/habanalabs/common/device.c
View file

@ -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;

6
drivers/misc/habanalabs/common/firmware_if.c
View file

@ -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,

2
drivers/misc/habanalabs/common/habanalabs.h
View file

@ -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);

6
drivers/misc/habanalabs/gaudi/gaudi.c
View file

@ -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");

6
drivers/misc/habanalabs/gaudi2/gaudi2.c
View file

@ -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");

4
drivers/misc/habanalabs/goya/goya.c
View file

@ -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");