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Message-Id: <20220711063003.3182795-2-ogabbay@kernel.org>
Date: Mon, 11 Jul 2022 09:29:53 +0300
From: Oded Gabbay <ogabbay@...nel.org>
To: linux-kernel@...r.kernel.org
Cc: Tomer Tayar <ttayar@...ana.ai>
Subject: [PATCH 02/12] habanalabs: add a value field to hl_fw_send_pci_access_msg()
From: Tomer Tayar <ttayar@...ana.ai>
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@...ana.ai>
Reviewed-by: Oded Gabbay <ogabbay@...nel.org>
Signed-off-by: Oded Gabbay <ogabbay@...nel.org>
---
drivers/misc/habanalabs/common/device.c | 5 ++---
drivers/misc/habanalabs/common/firmware_if.c | 6 +++---
drivers/misc/habanalabs/common/habanalabs.h | 2 +-
drivers/misc/habanalabs/gaudi/gaudi.c | 6 +++---
drivers/misc/habanalabs/gaudi2/gaudi2.c | 6 +++---
drivers/misc/habanalabs/goya/goya.c | 4 ++--
6 files changed, 14 insertions(+), 15 deletions(-)
diff --git a/drivers/misc/habanalabs/common/device.c b/drivers/misc/habanalabs/common/device.c
index 5a76d7689abe..4391eb22ddb8 100644
--- a/drivers/misc/habanalabs/common/device.c
+++ b/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;
diff --git a/drivers/misc/habanalabs/common/firmware_if.c b/drivers/misc/habanalabs/common/firmware_if.c
index fd8dd332a59a..f80a8c9d2cc8 100644
--- a/drivers/misc/habanalabs/common/firmware_if.c
+++ b/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,
diff --git a/drivers/misc/habanalabs/common/habanalabs.h b/drivers/misc/habanalabs/common/habanalabs.h
index 3c51eaca521c..0e45f2be13ed 100644
--- a/drivers/misc/habanalabs/common/habanalabs.h
+++ b/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);
diff --git a/drivers/misc/habanalabs/gaudi/gaudi.c b/drivers/misc/habanalabs/gaudi/gaudi.c
index 1f84dd6f3adb..8c1b1824d1a9 100644
--- a/drivers/misc/habanalabs/gaudi/gaudi.c
+++ b/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");
diff --git a/drivers/misc/habanalabs/gaudi2/gaudi2.c b/drivers/misc/habanalabs/gaudi2/gaudi2.c
index 26f105a84e6b..d9a85ea56f75 100644
--- a/drivers/misc/habanalabs/gaudi2/gaudi2.c
+++ b/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");
diff --git a/drivers/misc/habanalabs/goya/goya.c b/drivers/misc/habanalabs/goya/goya.c
index 0c333b42225a..216570938b91 100644
--- a/drivers/misc/habanalabs/goya/goya.c
+++ b/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");
--
2.25.1
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