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2,397 bytes added ,  18:21, 9 June 2017
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Line 117: Line 117:  
! Value || Direction || Size || Description || Notes
 
! Value || Direction || Size || Description || Notes
 
|-
 
|-
| 0xC0080014 || Inout || 8 || NVHOST_IOCTL_CTRL_SYNCPT_READ ||
+
| 0xC0080014 || Inout || 8 || [[#NVHOST_IOCTL_CTRL_SYNCPT_READ]] ||
 
|-
 
|-
| 0x40040015 || In || 4 || NVHOST_IOCTL_CTRL_SYNCPT_INCR ||
+
| 0x40040015 || In || 4 || [[#NVHOST_IOCTL_CTRL_SYNCPT_INCR]] ||
 
|-
 
|-
| 0xC00C0016 || Inout || 12 || NVHOST_IOCTL_CTRL_SYNCPT_WAIT ||
+
| 0xC00C0016 || Inout || 12 || [[#NVHOST_IOCTL_CTRL_SYNCPT_WAIT]] ||
 
|-
 
|-
 
| 0x40080017 || In || 8 || NVHOST_IOCTL_CTRL_MODULE_MUTEX ||
 
| 0x40080017 || In || 8 || NVHOST_IOCTL_CTRL_MODULE_MUTEX ||
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| 0xC0180018 || Inout || 24 || NVHOST32_IOCTL_CTRL_MODULE_REGRDWR ||
 
| 0xC0180018 || Inout || 24 || NVHOST32_IOCTL_CTRL_MODULE_REGRDWR ||
 
|-
 
|-
| 0xC0100019 || Inout || 16 || NVHOST_IOCTL_CTRL_SYNCPT_WAITEX ||
+
| 0xC0100019 || Inout || 16 || [[#NVHOST_IOCTL_CTRL_SYNCPT_WAITEX]] ||
 
|-
 
|-
| 0xC008001A || Inout || 8 || NVHOST_IOCTL_CTRL_SYNCPT_READ_MAX ||
+
| 0xC008001A || Inout || 8 || [[#NVHOST_IOCTL_CTRL_SYNCPT_READ_MAX]] ||
 
|-
 
|-
| 0xC004001C || Inout || 4 || ||
+
| 0xC004001C || Inout || 4 || [[#NVHOST_IOCTL_CTRL_EVENT_SIGNAL]] ||
 
|-
 
|-
| 0xC010001D || Inout || 16 || || NvRmSyncWaitEvent (wait on event?)
+
| 0xC010001D || Inout || 16 || [[#NVHOST_IOCTL_CTRL_EVENT_WAIT]] ||
 
|-
 
|-
| 0xC010001E || Inout || 16 || || NvRmSyncWaitEvent (wait on event?)
+
| 0xC010001E || Inout || 16 || [[#NVHOST_IOCTL_CTRL_EVENT_WAIT_ASYNC]] ||
 
|-
 
|-
| 0xC004001F || Inout || 4 || || NvRmSyncWaitEvent (signal event?)
+
| 0xC004001F || Inout || 4 || [[#NVHOST_IOCTL_CTRL_EVENT_REGISTER]] ||
 
|-
 
|-
| 0xC0040020 || Inout || 4 || || NvRmSyncWaitEvent (signal event?)
+
| 0xC0040020 || Inout || 4 || [[#NVHOST_IOCTL_CTRL_EVENT_UNREGISTER]] ||
 
|-
 
|-
| 0x40080021 || In || 8 || cancel_wait_event || Cancels all events
+
| 0x40080021 || In || 8 || [[#NVHOST_IOCTL_CTRL_EVENT_KILL]] ||
 
|}
 
|}
 +
 +
=== NVHOST_IOCTL_CTRL_SYNCPT_READ ===
 +
Identical to Linux driver.
 +
 +
  struct {
 +
    u32 __id;      // in
 +
    u32 __value;  // out
 +
  };
 +
 +
=== NVHOST_IOCTL_CTRL_SYNCPT_INCR ===
 +
Identical to Linux driver.
 +
 +
  struct {
 +
    u32 __id;      // in
 +
  };
 +
 +
=== NVHOST_IOCTL_CTRL_SYNCPT_WAIT ===
 +
Identical to Linux driver.
 +
 +
  struct {
 +
    u32 __id;          // in
 +
    u32 __thresh;      // in
 +
    s32 __timeout;    // in
 +
  };
 +
 +
=== NVHOST_IOCTL_CTRL_SYNCPT_WAITEX ===
 +
Identical to Linux driver.
 +
 +
  struct {
 +
    u32 __id;          // in
 +
    u32 __thresh;      // in
 +
    s32 __timeout;    // in
 +
    u32 __value;      // out
 +
  };
 +
 +
=== NVHOST_IOCTL_CTRL_SYNCPT_READ_MAX ===
 +
Identical to Linux driver.
 +
 +
  struct {
 +
    u32 __id;      // in
 +
    u32 __value;  // out
 +
  };
 +
 +
=== NVHOST_IOCTL_CTRL_EVENT_SIGNAL ===
 +
Signals an event. Exclusive to the Switch.
 +
 +
  struct {
 +
    u32 __event_id;      // in (ranges from 0x01 to 0x3F)
 +
  };
 +
 +
=== NVHOST_IOCTL_CTRL_EVENT_WAIT ===
 +
Waits on an event. Exclusive to the Switch.
 +
 +
  struct {
 +
    u32 __unk0;        // in
 +
    u32 __unk1;        // in
 +
    s32 __timeout;      // in
 +
    u32 __event;        // inout (in=event_id; out=result)
 +
  };
 +
 +
=== NVHOST_IOCTL_CTRL_EVENT_WAIT_ASYNC ===
 +
Waits on an event (async version). Exclusive to the Switch.
 +
 +
  struct {
 +
    u32 __unk0;        // in
 +
    u32 __unk1;        // in
 +
    s32 __timeout;      // in
 +
    u32 __event;        // inout (in=event_id; out=result)
 +
  };
 +
 +
=== NVHOST_IOCTL_CTRL_EVENT_REGISTER ===
 +
Registers an event. Exclusive to the Switch.
 +
 +
  struct {
 +
    u32 __event_id;      // in (ranges from 0x01 to 0x3F)
 +
  };
 +
 +
=== NVHOST_IOCTL_CTRL_EVENT_UNREGISTER ===
 +
Unregisters an event. Exclusive to the Switch.
 +
 +
  struct {
 +
    u32 __event_id;      // in (ranges from 0x01 to 0x3F)
 +
  };
 +
 +
=== NVHOST_IOCTL_CTRL_EVENT_KILL ===
 +
Kills events. Exclusive to the Switch.
 +
 +
  struct {
 +
    u64 __events;      // in (64-bit flag where each bit represents one event)
 +
  };
    
== /dev/nvhost-as-gpu ==
 
== /dev/nvhost-as-gpu ==
Line 150: Line 240:  
                                                                                                                                
 
                                                                                                                                
 
{| class="wikitable" border="1"
 
{| class="wikitable" border="1"
! Device || Direction || Size || Value || Description || Notes
+
! Value || Direction || Size || Description || Notes
 
|-
 
|-
| /dev/nvhost-as-gpu || In || 4 || 0x40044101 || [[#NVGPU_AS_IOCTL_BIND_CHANNEL]] ||
+
| 0x40044101 || In || 4 || [[#NVGPU_AS_IOCTL_BIND_CHANNEL]] ||
 
|-
 
|-
| /dev/nvhost-as-gpu || Inout || 24 || 0xC0184102 || [[#NVGPU_AS_IOCTL_ALLOC_SPACE]] ||
+
| 0xC0184102 || Inout || 24 || [[#NVGPU_AS_IOCTL_ALLOC_SPACE]] ||
 
|-
 
|-
| /dev/nvhost-as-gpu || Inout || 16 || 0xC0104103 || [[#NVGPU_AS_IOCTL_FREE_SPACE]] ||
+
| 0xC0104103 || Inout || 16 || [[#NVGPU_AS_IOCTL_FREE_SPACE]] ||
 
|-
 
|-
| /dev/nvhost-as-gpu || Inout || 24 || 0xC0184104 || [[#NVGPU_AS_IOCTL_MAP_BUFFER]] ||
+
| 0xC0184104 || Inout || 24 || [[#NVGPU_AS_IOCTL_MAP_BUFFER]] ||
 
|-
 
|-
| /dev/nvhost-as-gpu || Inout || 8 || 0xC0084105 || [[#NVGPU_AS_IOCTL_UNMAP_BUFFER]] ||
+
| 0xC0084105 || Inout || 8 || [[#NVGPU_AS_IOCTL_UNMAP_BUFFER]] ||
 
|-
 
|-
| /dev/nvhost-as-gpu || Inout || 40 || 0xC0284106 || NVGPU_AS_IOCTL_MAP_BUFFER_EX ||
+
| 0xC0284106 || Inout || 40 || NVGPU_AS_IOCTL_MAP_BUFFER_EX ||
 
|-
 
|-
| /dev/nvhost-as-gpu || In || 16 || 0x40104107 || [[#NVGPU_AS_IOCTL_INITIALIZE]] ||
+
| 0x40104107 || In || 16 || [[#NVGPU_AS_IOCTL_INITIALIZE]] ||
 
|-
 
|-
| /dev/nvhost-as-gpu || Inout || 64 || 0xC0404108 || [[#NVGPU_AS_IOCTL_GET_VA_REGIONS]] ||
+
| 0xC0404108 || Inout || 64 || [[#NVGPU_AS_IOCTL_GET_VA_REGIONS]] ||
 
|-
 
|-
| /dev/nvhost-as-gpu || In || 40 || 0x40284109 || [[#NVGPU_AS_IOCTL_INITIALIZE_EX]] ||
+
| 0x40284109 || In || 40 || [[#NVGPU_AS_IOCTL_INITIALIZE_EX]] ||
 
|-
 
|-
| /dev/nvhost-as-gpu || Inout || 20 || 0xC0144114 || ||
+
| 0xC0144114 || Inout || 20 || ||
 
|}
 
|}
   Line 221: Line 311:     
=== NVGPU_AS_IOCTL_INITIALIZE ===
 
=== NVGPU_AS_IOCTL_INITIALIZE ===
Nintendo custom.
+
Nintendo's custom implementation of NVGPU_GPU_IOCTL_ALLOC_AS (unavailable).
    
   struct {
 
   struct {
     u32 __size;       // in (must be aligned to 0x10000; 0=default)
+
     u32 __big_page_size;   // in (depends on GPU's available_big_page_sizes; 0=default)
     u32 __zeroes[3]; // in
+
    s32 __as_fd;          // in (ignored; passes 0)
 +
     u32 __flags;           // in (ignored; passes 0)
 +
    u32 __reserved;        // in (ignored; passes 0)
 
   };
 
   };
   Line 372: Line 464:  
| 0xC0184706 || Inout || 24 || NVGPU_GPU_IOCTL_GET_TPC_MASKS ||
 
| 0xC0184706 || Inout || 24 || NVGPU_GPU_IOCTL_GET_TPC_MASKS ||
 
|-
 
|-
| 0x40084707 || In || 8 || NVGPU_GPU_IOCTL_OPEN_CHANNEL ||
+
| 0x40084707 || In || 8 || [[#NVGPU_GPU_IOCTL_FLUSH_L2]] ||
 
|-
 
|-
 
| 0x4008470E || In || 8 || ||
 
| 0x4008470E || In || 8 || ||
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| 0xC0044713 || Inout || 4 || ||
 
| 0xC0044713 || Inout || 4 || ||
 
|-
 
|-
| 0x80084714 || Out || 8 || ||
+
| 0x80084714 || Out || 8 || [[#NVGPU_GPU_IOCTL_GET_L2_STATE]] ||
 
|-
 
|-
 
| 0x80044715 || Out || 4 || ||
 
| 0x80044715 || Out || 4 || ||
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     u64 __gpu_characteristics_buf_addr;  // in (ignored, but must not be NULL)
 
     u64 __gpu_characteristics_buf_addr;  // in (ignored, but must not be NULL)
 
     struct __gpu_characteristics gc;      // out
 
     struct __gpu_characteristics gc;      // out
 +
  };
 +
 +
=== NVGPU_GPU_IOCTL_FLUSH_L2 ===
 +
Flushes the GPU L2 cache.
 +
 +
  struct {
 +
    u32 __flush;          // in (l2_flush | l2_invalidate << 1 | fb_flush << 2)
 +
    u32 __reserved;      // in
 +
  };
 +
 +
=== NVGPU_GPU_IOCTL_GET_L2_STATE ===
 +
Returns the GPU L2 cache state.
 +
 +
  struct {
 +
    u32 __mask;        // out (always 0x07)
 +
    u32 __flush;      // out (active flush bit field)
 
   };
 
   };
  

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