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gpu: nvgpu: expose local-to-logical/physical GPC mappings

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Expose the local-to-logical/physical GPC mappings for
devtools needs.

Bug 3944943

Change-Id: I2aa69ccef19627d41f3e2b8dcc9235401ae1f782
Signed-off-by: Martin Radev <mradev@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2900289
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Martin Radev
2023-05-08 19:25:57 +03:00
committed by mobile promotions
parent 7522c3ee31
commit d70c9a708b
2 changed files with 109 additions and 3 deletions
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36
include/uapi/linux/nvgpu-ctrl.h
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@@ -502,6 +502,32 @@ struct nvgpu_gpu_get_tpc_masks_args {
__u64 mask_buf_addr;
};
struct nvgpu_gpu_get_gpc_physical_map_args {
/* [in] GPC logical-map-buffer size. It must be
* sizeof(__u32) * fls(gpc_mask)
*/
__u32 map_buf_size;
__u32 reserved;
/* [out] pointer to array of u32 entries.
* For each entry, index=local gpc index and value=physical gpc index.
*/
__u64 physical_gpc_buf_addr;
};
struct nvgpu_gpu_get_gpc_logical_map_args {
/* [in] GPC logical-map-buffer size. It must be
* sizeof(__u32) * fls(gpc_mask)
*/
__u32 map_buf_size;
__u32 reserved;
/* [out] pointer to array of u32 entries.
* For each entry, index=local gpc index and value=logical gpc index.
*/
__u64 logical_gpc_buf_addr;
};
struct nvgpu_gpu_open_channel_args {
union {
__s32 channel_fd; /* deprecated: use out.channel_fd instead */
@@ -1242,11 +1268,15 @@ struct nvgpu_gpu_register_buffer_args {
_IOWR(NVGPU_GPU_IOCTL_MAGIC, 40, \
struct nvgpu_gpu_set_deterministic_opts_args)
#define NVGPU_GPU_IOCTL_REGISTER_BUFFER \
_IOWR(NVGPU_GPU_IOCTL_MAGIC, 41, struct nvgpu_gpu_register_buffer_args)
_IOWR(NVGPU_GPU_IOCTL_MAGIC, 41, struct nvgpu_gpu_register_buffer_args)
#define NVGPU_GPU_IOCTL_GET_BUFFER_INFO \
_IOWR(NVGPU_GPU_IOCTL_MAGIC, 42, struct nvgpu_gpu_get_buffer_info_args)
_IOWR(NVGPU_GPU_IOCTL_MAGIC, 42, struct nvgpu_gpu_get_buffer_info_args)
#define NVGPU_GPU_IOCTL_GET_GPC_LOCAL_TO_PHYSICAL_MAP\
_IOWR(NVGPU_GPU_IOCTL_MAGIC, 43, struct nvgpu_gpu_get_gpc_physical_map_args)
#define NVGPU_GPU_IOCTL_GET_GPC_LOCAL_TO_LOGICAL_MAP\
_IOWR(NVGPU_GPU_IOCTL_MAGIC, 44, struct nvgpu_gpu_get_gpc_logical_map_args)
#define NVGPU_GPU_IOCTL_LAST \
_IOC_NR(NVGPU_GPU_IOCTL_GET_BUFFER_INFO)
_IOC_NR(NVGPU_GPU_IOCTL_GET_GPC_LOCAL_TO_LOGICAL_MAP)
#define NVGPU_GPU_IOCTL_MAX_ARG_SIZE \
sizeof(struct nvgpu_gpu_get_cpu_time_correlation_info_args)