diff options
| author | Tal Cohen <talcohen@habana.ai> | 2022-05-12 10:59:41 +0200 |
|---|---|---|
| committer | Oded Gabbay <ogabbay@kernel.org> | 2022-07-12 08:09:22 +0200 |
| commit | 647469148360dc873405acc6fcf63772e9e401f4 (patch) | |
| tree | a585f1040f3d25208ec65bf522981d60b20c46ea /drivers/misc | |
| parent | habanalabs/gaudi: collect undefined opcode error info (diff) | |
| download | linux-647469148360dc873405acc6fcf63772e9e401f4.tar.xz linux-647469148360dc873405acc6fcf63772e9e401f4.zip | |
habanalabs: expose undefined opcode status via info ioctl
The info ioctl retrieves information on the last undefined opcode
occurred.
Signed-off-by: Tal Cohen <talcohen@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
Diffstat (limited to 'drivers/misc')
| -rw-r--r-- | drivers/misc/habanalabs/common/habanalabs_ioctl.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/misc/habanalabs/common/habanalabs_ioctl.c b/drivers/misc/habanalabs/common/habanalabs_ioctl.c index c7864d6bb0a1..fe7ed46cd1c5 100644 --- a/drivers/misc/habanalabs/common/habanalabs_ioctl.c +++ b/drivers/misc/habanalabs/common/habanalabs_ioctl.c @@ -610,6 +610,28 @@ static int razwi_info(struct hl_fpriv *hpriv, struct hl_info_args *args) return copy_to_user(out, &info, min_t(size_t, max_size, sizeof(info))) ? -EFAULT : 0; } +static int undefined_opcode_info(struct hl_fpriv *hpriv, struct hl_info_args *args) +{ + struct hl_device *hdev = hpriv->hdev; + u32 max_size = args->return_size; + struct hl_info_undefined_opcode_event info = {0}; + void __user *out = (void __user *) (uintptr_t) args->return_pointer; + + if ((!max_size) || (!out)) + return -EINVAL; + + info.timestamp = ktime_to_ns(hdev->last_error.undef_opcode.timestamp); + info.engine_id = hdev->last_error.undef_opcode.engine_id; + info.cq_addr = hdev->last_error.undef_opcode.cq_addr; + info.cq_size = hdev->last_error.undef_opcode.cq_size; + info.stream_id = hdev->last_error.undef_opcode.stream_id; + info.cb_addr_streams_len = hdev->last_error.undef_opcode.cb_addr_streams_len; + memcpy(info.cb_addr_streams, hdev->last_error.undef_opcode.cb_addr_streams, + sizeof(info.cb_addr_streams)); + + return copy_to_user(out, &info, min_t(size_t, max_size, sizeof(info))) ? -EFAULT : 0; +} + static int dev_mem_alloc_page_sizes_info(struct hl_fpriv *hpriv, struct hl_info_args *args) { void __user *out = (void __user *) (uintptr_t) args->return_pointer; @@ -718,6 +740,9 @@ static int _hl_info_ioctl(struct hl_fpriv *hpriv, void *data, case HL_INFO_RAZWI_EVENT: return razwi_info(hpriv, args); + case HL_INFO_UNDEFINED_OPCODE_EVENT: + return undefined_opcode_info(hpriv, args); + case HL_INFO_DEV_MEM_ALLOC_PAGE_SIZES: return dev_mem_alloc_page_sizes_info(hpriv, args); |