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→/dev/nvhost-ctrl-gpu
| 0xC0B04705 || Inout || 176 || [[#NVGPU_GPU_IOCTL_GET_CHARACTERISTICS]]
| 0xC0B04705 || Inout || 176 || [[#NVGPU_GPU_IOCTL_GET_CHARACTERISTICS]]
|-
|-
| 0xC0184706 || Inout || 24 || NVGPU_GPU_IOCTL_GET_TPC_MASKS
| 0xC0184706 || Inout || 24 || [[#NVGPU_GPU_IOCTL_GET_TPC_MASKS]]
|-
|-
| 0x40084707 || In || 8 || [[#NVGPU_GPU_IOCTL_FLUSH_L2]]
| 0x40084707 || In || 8 || [[#NVGPU_GPU_IOCTL_FLUSH_L2]]
|-
|-
| 0x4008470D || In || 8 || NVGPU_GPU_IOCTL_INVAL_ICACHE
| 0x4008470D || In || 8 || [[#NVGPU_GPU_IOCTL_INVAL_ICACHE]]
|-
|-
| 0x4008470E || In || 8 || NVGPU_GPU_IOCTL_SET_MMUDEBUG_MODE
| 0x4008470E || In || 8 || [[#NVGPU_GPU_IOCTL_SET_MMU_DEBUG_MODE]]
|-
|-
| 0x4010470F || In || 16 || NVGPU_GPU_IOCTL_SET_SM_DEBUG_MODE
| 0x4010470F || In || 16 || [[#NVGPU_GPU_IOCTL_SET_SM_DEBUG_MODE]]
|-
|-
| 0xC0304710</br>([1.0.0-6.1.0] 0xC0084710) || Inout || 48</br>([1.0.0-6.1.0] 8) || NVGPU_GPU_IOCTL_WAIT_FOR_PAUSE
| 0xC0304710</br>([1.0.0-6.1.0] 0xC0084710) || Inout || 48</br>([1.0.0-6.1.0] 8) || NVGPU_GPU_IOCTL_WAIT_FOR_PAUSE
__in u64 gpu_characteristics_buf_addr; // ignored, but must not be NULL
__in u64 gpu_characteristics_buf_addr; // ignored, but must not be NULL
__out struct gpu_characteristics gc;
__out struct gpu_characteristics gc;
};
=== NVGPU_GPU_IOCTL_GET_TPC_MASKS ===
Returns the TPC mask value for each GPC. Modified to return inline data instead of using a pointer.
struct {
__in u32 mask_buf_size; // ignored, but must not be NULL
__in u32 reserved[3];
__out u64 mask_buf; // receives one 32-bit TPC mask per GPC (GPC 0 and GPC 1)
};
};
struct {
struct {
__in u32 flush; // l2_flush | l2_invalidate << 1 | fb_flush << 2
__in u32 flush; // l2_flush | l2_invalidate << 1 | fb_flush << 2
u32 reserved;
__in u32 reserved;
};
=== NVGPU_GPU_IOCTL_INVAL_ICACHE ===
Invalidates the GPU instruction cache. Identical to Linux driver.
struct {
__in s32 channel_fd;
__in u32 reserved;
};
=== NVGPU_GPU_IOCTL_SET_MMU_DEBUG_MODE ===
Sets the GPU MMU debug mode. Identical to Linux driver.
struct {
__in u32 state;
__in u32 reserved;
};
=== NVGPU_GPU_IOCTL_SET_SM_DEBUG_MODE ===
Sets the GPU SM debug mode. Identical to Linux driver.
struct {
__in s32 channel_fd;
__in u32 enable;
__in u64 sms;
};
};