diff options
| author | Hen Alon <halon@habana.ai> | 2023-08-09 17:29:41 +0300 |
|---|---|---|
| committer | Oded Gabbay <ogabbay@kernel.org> | 2023-10-09 12:37:21 +0300 |
| commit | 0648c4d0806fe167fe699299573100507ae99502 (patch) | |
| tree | 0919aefec63dc5b16dfd13f02728295d66820342 | |
| parent | e0f452802bdaaf45dcb24080053f2b3a9c7c464a (diff) | |
accel/habanalabs: add tsc clock sampling to clock sync info
Add tsc clock to clock sync info, to enable using this clock for
sampling and sync it with device time.
Signed-off-by: Hen Alon <halon@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
| -rw-r--r-- | drivers/accel/habanalabs/common/habanalabs_ioctl.c | 3 | ||||
| -rw-r--r-- | include/uapi/drm/habanalabs_accel.h | 1 |
2 files changed, 4 insertions, 0 deletions
diff --git a/drivers/accel/habanalabs/common/habanalabs_ioctl.c b/drivers/accel/habanalabs/common/habanalabs_ioctl.c index 8c3f1e2de2fe..8ef36effb95b 100644 --- a/drivers/accel/habanalabs/common/habanalabs_ioctl.c +++ b/drivers/accel/habanalabs/common/habanalabs_ioctl.c @@ -17,6 +17,8 @@ #include <linux/uaccess.h> #include <linux/vmalloc.h> +#include <asm/msr.h> + static u32 hl_debug_struct_size[HL_DEBUG_OP_TIMESTAMP + 1] = { [HL_DEBUG_OP_ETR] = sizeof(struct hl_debug_params_etr), [HL_DEBUG_OP_ETF] = sizeof(struct hl_debug_params_etf), @@ -320,6 +322,7 @@ static int time_sync_info(struct hl_device *hdev, struct hl_info_args *args) time_sync.device_time = hdev->asic_funcs->get_device_time(hdev); time_sync.host_time = ktime_get_raw_ns(); + time_sync.tsc_time = rdtsc(); return copy_to_user(out, &time_sync, min((size_t) max_size, sizeof(time_sync))) ? -EFAULT : 0; diff --git a/include/uapi/drm/habanalabs_accel.h b/include/uapi/drm/habanalabs_accel.h index e7893b082bf8..dfe47db24ae6 100644 --- a/include/uapi/drm/habanalabs_accel.h +++ b/include/uapi/drm/habanalabs_accel.h @@ -991,6 +991,7 @@ struct hl_info_reset_count { struct hl_info_time_sync { __u64 device_time; __u64 host_time; + __u64 tsc_time; }; /** |