diff options
-rw-r--r-- | drivers/misc/habanalabs/common/device.c | 9 | ||||
-rw-r--r-- | drivers/misc/habanalabs/common/firmware_if.c | 5 | ||||
-rw-r--r-- | drivers/misc/habanalabs/common/habanalabs_ioctl.c | 2 |
3 files changed, 16 insertions, 0 deletions
diff --git a/drivers/misc/habanalabs/common/device.c b/drivers/misc/habanalabs/common/device.c index 1ea57d86caa3..69d04eca767f 100644 --- a/drivers/misc/habanalabs/common/device.c +++ b/drivers/misc/habanalabs/common/device.c @@ -1487,6 +1487,15 @@ void hl_device_fini(struct hl_device *hdev) } } + /* Disable PCI access from device F/W so it won't send us additional + * interrupts. We disable MSI/MSI-X at the halt_engines function and we + * can't have the F/W sending us interrupts after that. We need to + * disable the access here because if the device is marked disable, the + * 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); + /* 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 20f77f58edef..c9a12980218a 100644 --- a/drivers/misc/habanalabs/common/firmware_if.c +++ b/drivers/misc/habanalabs/common/firmware_if.c @@ -402,6 +402,10 @@ int hl_fw_cpucp_pci_counters_get(struct hl_device *hdev, } counters->rx_throughput = result; + memset(&pkt, 0, sizeof(pkt)); + pkt.ctl = cpu_to_le32(CPUCP_PACKET_PCIE_THROUGHPUT_GET << + CPUCP_PKT_CTL_OPCODE_SHIFT); + /* Fetch PCI tx counter */ pkt.index = cpu_to_le32(cpucp_pcie_throughput_tx); rc = hdev->asic_funcs->send_cpu_message(hdev, (u32 *) &pkt, sizeof(pkt), @@ -414,6 +418,7 @@ int hl_fw_cpucp_pci_counters_get(struct hl_device *hdev, counters->tx_throughput = result; /* Fetch PCI replay counter */ + memset(&pkt, 0, sizeof(pkt)); pkt.ctl = cpu_to_le32(CPUCP_PACKET_PCIE_REPLAY_CNT_GET << CPUCP_PKT_CTL_OPCODE_SHIFT); diff --git a/drivers/misc/habanalabs/common/habanalabs_ioctl.c b/drivers/misc/habanalabs/common/habanalabs_ioctl.c index 12efbd9d2e3a..d25892d61ec9 100644 --- a/drivers/misc/habanalabs/common/habanalabs_ioctl.c +++ b/drivers/misc/habanalabs/common/habanalabs_ioctl.c @@ -133,6 +133,8 @@ static int hw_idle(struct hl_device *hdev, struct hl_info_args *args) hw_idle.is_idle = hdev->asic_funcs->is_device_idle(hdev, &hw_idle.busy_engines_mask_ext, NULL); + hw_idle.busy_engines_mask = + lower_32_bits(hw_idle.busy_engines_mask_ext); return copy_to_user(out, &hw_idle, min((size_t) max_size, sizeof(hw_idle))) ? -EFAULT : 0; |