[Nouveau] [libdrm v3 01/14] nouveau: import and install a selection of nvif headers from the kernel

Samuel Pitoiset samuel.pitoiset at gmail.com
Fri Dec 18 07:38:10 PST 2015


Hi Ben,

I don't feel comfortable enough with the libdrm nouveau code to give you 
my Rb for this series, but as this seems work as expected, this series is:

Tested-by: Samuel Pitoiset <samuel.pitoiset at gmail.com>

Thanks for your work!

On 12/17/2015 12:20 AM, Ben Skeggs wrote:
> From: Ben Skeggs <bskeggs at redhat.com>
>
> This commit also modifies the install path of the main libdrm_nouveau
> header to be under a nouveau/ subdirectory.
>
> Signed-off-by: Ben Skeggs <bskeggs at redhat.com>
> ---
>   include/drm/nouveau_drm.h    |   1 +
>   nouveau/Makefile.am          |  11 +++-
>   nouveau/libdrm_nouveau.pc.in |   2 +-
>   nouveau/nvif/cl0080.h        |  45 ++++++++++++++
>   nouveau/nvif/cl9097.h        |  44 ++++++++++++++
>   nouveau/nvif/class.h         | 141 +++++++++++++++++++++++++++++++++++++++++++
>   nouveau/nvif/if0002.h        |  38 ++++++++++++
>   nouveau/nvif/if0003.h        |  33 ++++++++++
>   nouveau/nvif/ioctl.h         | 132 ++++++++++++++++++++++++++++++++++++++++
>   nouveau/nvif/unpack.h        |  28 +++++++++
>   10 files changed, 473 insertions(+), 2 deletions(-)
>   create mode 100644 nouveau/nvif/cl0080.h
>   create mode 100644 nouveau/nvif/cl9097.h
>   create mode 100644 nouveau/nvif/class.h
>   create mode 100644 nouveau/nvif/if0002.h
>   create mode 100644 nouveau/nvif/if0003.h
>   create mode 100644 nouveau/nvif/ioctl.h
>   create mode 100644 nouveau/nvif/unpack.h
>
> diff --git a/include/drm/nouveau_drm.h b/include/drm/nouveau_drm.h
> index 87aefc5..e418f9f 100644
> --- a/include/drm/nouveau_drm.h
> +++ b/include/drm/nouveau_drm.h
> @@ -200,6 +200,7 @@ struct drm_nouveau_sarea {
>   #define DRM_NOUVEAU_GROBJ_ALLOC        0x04
>   #define DRM_NOUVEAU_NOTIFIEROBJ_ALLOC  0x05
>   #define DRM_NOUVEAU_GPUOBJ_FREE        0x06
> +#define DRM_NOUVEAU_NVIF               0x07
>   #define DRM_NOUVEAU_GEM_NEW            0x40
>   #define DRM_NOUVEAU_GEM_PUSHBUF        0x41
>   #define DRM_NOUVEAU_GEM_CPU_PREP       0x42
> diff --git a/nouveau/Makefile.am b/nouveau/Makefile.am
> index 25ea6dc..76cdeca 100644
> --- a/nouveau/Makefile.am
> +++ b/nouveau/Makefile.am
> @@ -14,9 +14,18 @@ libdrm_nouveau_la_LIBADD = ../libdrm.la @PTHREADSTUBS_LIBS@
>
>   libdrm_nouveau_la_SOURCES = $(LIBDRM_NOUVEAU_FILES)
>
> -libdrm_nouveauincludedir = ${includedir}/libdrm
> +libdrm_nouveauincludedir = ${includedir}/libdrm/nouveau
>   libdrm_nouveauinclude_HEADERS = $(LIBDRM_NOUVEAU_H_FILES)
>
> +libdrm_nouveaunvifincludedir = ${includedir}/libdrm/nouveau/nvif
> +libdrm_nouveaunvifinclude_HEADERS = nvif/class.h \
> +				    nvif/cl0080.h \
> +				    nvif/cl9097.h \
> +				    nvif/if0002.h \
> +				    nvif/if0003.h \
> +				    nvif/ioctl.h \
> +				    nvif/unpack.h
> +
>   pkgconfigdir = @pkgconfigdir@
>   pkgconfig_DATA = libdrm_nouveau.pc
>
> diff --git a/nouveau/libdrm_nouveau.pc.in b/nouveau/libdrm_nouveau.pc.in
> index 9abfd81..7d0622e 100644
> --- a/nouveau/libdrm_nouveau.pc.in
> +++ b/nouveau/libdrm_nouveau.pc.in
> @@ -7,5 +7,5 @@ Name: libdrm_nouveau
>   Description: Userspace interface to nouveau kernel DRM services
>   Version: @PACKAGE_VERSION@
>   Libs: -L${libdir} -ldrm_nouveau
> -Cflags: -I${includedir} -I${includedir}/libdrm
> +Cflags: -I${includedir} -I${includedir}/libdrm -I${includedir}/libdrm/nouveau
>   Requires.private: libdrm
> diff --git a/nouveau/nvif/cl0080.h b/nouveau/nvif/cl0080.h
> new file mode 100644
> index 0000000..331620a
> --- /dev/null
> +++ b/nouveau/nvif/cl0080.h
> @@ -0,0 +1,45 @@
> +#ifndef __NVIF_CL0080_H__
> +#define __NVIF_CL0080_H__
> +
> +struct nv_device_v0 {
> +	__u8  version;
> +	__u8  pad01[7];
> +	__u64 device;	/* device identifier, ~0 for client default */
> +};
> +
> +#define NV_DEVICE_V0_INFO                                                  0x00
> +#define NV_DEVICE_V0_TIME                                                  0x01
> +
> +struct nv_device_info_v0 {
> +	__u8  version;
> +#define NV_DEVICE_INFO_V0_IGP                                              0x00
> +#define NV_DEVICE_INFO_V0_PCI                                              0x01
> +#define NV_DEVICE_INFO_V0_AGP                                              0x02
> +#define NV_DEVICE_INFO_V0_PCIE                                             0x03
> +#define NV_DEVICE_INFO_V0_SOC                                              0x04
> +	__u8  platform;
> +	__u16 chipset;	/* from NV_PMC_BOOT_0 */
> +	__u8  revision;	/* from NV_PMC_BOOT_0 */
> +#define NV_DEVICE_INFO_V0_TNT                                              0x01
> +#define NV_DEVICE_INFO_V0_CELSIUS                                          0x02
> +#define NV_DEVICE_INFO_V0_KELVIN                                           0x03
> +#define NV_DEVICE_INFO_V0_RANKINE                                          0x04
> +#define NV_DEVICE_INFO_V0_CURIE                                            0x05
> +#define NV_DEVICE_INFO_V0_TESLA                                            0x06
> +#define NV_DEVICE_INFO_V0_FERMI                                            0x07
> +#define NV_DEVICE_INFO_V0_KEPLER                                           0x08
> +#define NV_DEVICE_INFO_V0_MAXWELL                                          0x09
> +	__u8  family;
> +	__u8  pad06[2];
> +	__u64 ram_size;
> +	__u64 ram_user;
> +	char  chip[16];
> +	char  name[64];
> +};
> +
> +struct nv_device_time_v0 {
> +	__u8  version;
> +	__u8  pad01[7];
> +	__u64 time;
> +};
> +#endif
> diff --git a/nouveau/nvif/cl9097.h b/nouveau/nvif/cl9097.h
> new file mode 100644
> index 0000000..4057676
> --- /dev/null
> +++ b/nouveau/nvif/cl9097.h
> @@ -0,0 +1,44 @@
> +#ifndef __NVIF_CL9097_H__
> +#define __NVIF_CL9097_H__
> +
> +#define FERMI_A_ZBC_COLOR                                                  0x00
> +#define FERMI_A_ZBC_DEPTH                                                  0x01
> +
> +struct fermi_a_zbc_color_v0 {
> +	__u8  version;
> +#define FERMI_A_ZBC_COLOR_V0_FMT_ZERO                                      0x01
> +#define FERMI_A_ZBC_COLOR_V0_FMT_UNORM_ONE                                 0x02
> +#define FERMI_A_ZBC_COLOR_V0_FMT_RF32_GF32_BF32_AF32                       0x04
> +#define FERMI_A_ZBC_COLOR_V0_FMT_R16_G16_B16_A16                           0x08
> +#define FERMI_A_ZBC_COLOR_V0_FMT_RN16_GN16_BN16_AN16                       0x0c
> +#define FERMI_A_ZBC_COLOR_V0_FMT_RS16_GS16_BS16_AS16                       0x10
> +#define FERMI_A_ZBC_COLOR_V0_FMT_RU16_GU16_BU16_AU16                       0x14
> +#define FERMI_A_ZBC_COLOR_V0_FMT_RF16_GF16_BF16_AF16                       0x16
> +#define FERMI_A_ZBC_COLOR_V0_FMT_A8R8G8B8                                  0x18
> +#define FERMI_A_ZBC_COLOR_V0_FMT_A8RL8GL8BL8                               0x1c
> +#define FERMI_A_ZBC_COLOR_V0_FMT_A2B10G10R10                               0x20
> +#define FERMI_A_ZBC_COLOR_V0_FMT_AU2BU10GU10RU10                           0x24
> +#define FERMI_A_ZBC_COLOR_V0_FMT_A8B8G8R8                                  0x28
> +#define FERMI_A_ZBC_COLOR_V0_FMT_A8BL8GL8RL8                               0x2c
> +#define FERMI_A_ZBC_COLOR_V0_FMT_AN8BN8GN8RN8                              0x30
> +#define FERMI_A_ZBC_COLOR_V0_FMT_AS8BS8GS8RS8                              0x34
> +#define FERMI_A_ZBC_COLOR_V0_FMT_AU8BU8GU8RU8                              0x38
> +#define FERMI_A_ZBC_COLOR_V0_FMT_A2R10G10B10                               0x3c
> +#define FERMI_A_ZBC_COLOR_V0_FMT_BF10GF11RF11                              0x40
> +	__u8  format;
> +	__u8  index;
> +	__u8  pad03[5];
> +	__u32 ds[4];
> +	__u32 l2[4];
> +};
> +
> +struct fermi_a_zbc_depth_v0 {
> +	__u8  version;
> +#define FERMI_A_ZBC_DEPTH_V0_FMT_FP32                                      0x01
> +	__u8  format;
> +	__u8  index;
> +	__u8  pad03[5];
> +	__u32 ds;
> +	__u32 l2;
> +};
> +#endif
> diff --git a/nouveau/nvif/class.h b/nouveau/nvif/class.h
> new file mode 100644
> index 0000000..4179cd6
> --- /dev/null
> +++ b/nouveau/nvif/class.h
> @@ -0,0 +1,141 @@
> +#ifndef __NVIF_CLASS_H__
> +#define __NVIF_CLASS_H__
> +
> +/* these class numbers are made up by us, and not nvidia-assigned */
> +#define NVIF_CLASS_CONTROL                                    /* if0001.h */ -1
> +#define NVIF_CLASS_PERFMON                                    /* if0002.h */ -2
> +#define NVIF_CLASS_PERFDOM                                    /* if0003.h */ -3
> +#define NVIF_CLASS_SW_NV04                                    /* if0004.h */ -4
> +#define NVIF_CLASS_SW_NV10                                    /* if0005.h */ -5
> +#define NVIF_CLASS_SW_NV50                                    /* if0005.h */ -6
> +#define NVIF_CLASS_SW_GF100                                   /* if0005.h */ -7
> +
> +/* the below match nvidia-assigned (either in hw, or sw) class numbers */
> +#define NV_DEVICE                                     /* cl0080.h */ 0x00000080
> +
> +#define NV_DMA_FROM_MEMORY                            /* cl0002.h */ 0x00000002
> +#define NV_DMA_TO_MEMORY                              /* cl0002.h */ 0x00000003
> +#define NV_DMA_IN_MEMORY                              /* cl0002.h */ 0x0000003d
> +
> +#define FERMI_TWOD_A                                                 0x0000902d
> +
> +#define FERMI_MEMORY_TO_MEMORY_FORMAT_A                              0x00009039
> +
> +#define KEPLER_INLINE_TO_MEMORY_A                                    0x0000a040
> +#define KEPLER_INLINE_TO_MEMORY_B                                    0x0000a140
> +
> +#define NV04_DISP                                     /* cl0046.h */ 0x00000046
> +
> +#define NV03_CHANNEL_DMA                              /* cl506b.h */ 0x0000006b
> +#define NV10_CHANNEL_DMA                              /* cl506b.h */ 0x0000006e
> +#define NV17_CHANNEL_DMA                              /* cl506b.h */ 0x0000176e
> +#define NV40_CHANNEL_DMA                              /* cl506b.h */ 0x0000406e
> +#define NV50_CHANNEL_DMA                              /* cl506e.h */ 0x0000506e
> +#define G82_CHANNEL_DMA                               /* cl826e.h */ 0x0000826e
> +
> +#define NV50_CHANNEL_GPFIFO                           /* cl506f.h */ 0x0000506f
> +#define G82_CHANNEL_GPFIFO                            /* cl826f.h */ 0x0000826f
> +#define FERMI_CHANNEL_GPFIFO                          /* cl906f.h */ 0x0000906f
> +#define KEPLER_CHANNEL_GPFIFO_A                       /* cla06f.h */ 0x0000a06f
> +#define MAXWELL_CHANNEL_GPFIFO_A                      /* cla06f.h */ 0x0000b06f
> +
> +#define NV50_DISP                                     /* cl5070.h */ 0x00005070
> +#define G82_DISP                                      /* cl5070.h */ 0x00008270
> +#define GT200_DISP                                    /* cl5070.h */ 0x00008370
> +#define GT214_DISP                                    /* cl5070.h */ 0x00008570
> +#define GT206_DISP                                    /* cl5070.h */ 0x00008870
> +#define GF110_DISP                                    /* cl5070.h */ 0x00009070
> +#define GK104_DISP                                    /* cl5070.h */ 0x00009170
> +#define GK110_DISP                                    /* cl5070.h */ 0x00009270
> +#define GM107_DISP                                    /* cl5070.h */ 0x00009470
> +#define GM204_DISP                                    /* cl5070.h */ 0x00009570
> +
> +#define NV31_MPEG                                                    0x00003174
> +#define G82_MPEG                                                     0x00008274
> +
> +#define NV74_VP2                                                     0x00007476
> +
> +#define NV50_DISP_CURSOR                              /* cl507a.h */ 0x0000507a
> +#define G82_DISP_CURSOR                               /* cl507a.h */ 0x0000827a
> +#define GT214_DISP_CURSOR                             /* cl507a.h */ 0x0000857a
> +#define GF110_DISP_CURSOR                             /* cl507a.h */ 0x0000907a
> +#define GK104_DISP_CURSOR                             /* cl507a.h */ 0x0000917a
> +
> +#define NV50_DISP_OVERLAY                             /* cl507b.h */ 0x0000507b
> +#define G82_DISP_OVERLAY                              /* cl507b.h */ 0x0000827b
> +#define GT214_DISP_OVERLAY                            /* cl507b.h */ 0x0000857b
> +#define GF110_DISP_OVERLAY                            /* cl507b.h */ 0x0000907b
> +#define GK104_DISP_OVERLAY                            /* cl507b.h */ 0x0000917b
> +
> +#define NV50_DISP_BASE_CHANNEL_DMA                    /* cl507c.h */ 0x0000507c
> +#define G82_DISP_BASE_CHANNEL_DMA                     /* cl507c.h */ 0x0000827c
> +#define GT200_DISP_BASE_CHANNEL_DMA                   /* cl507c.h */ 0x0000837c
> +#define GT214_DISP_BASE_CHANNEL_DMA                   /* cl507c.h */ 0x0000857c
> +#define GF110_DISP_BASE_CHANNEL_DMA                   /* cl507c.h */ 0x0000907c
> +#define GK104_DISP_BASE_CHANNEL_DMA                   /* cl507c.h */ 0x0000917c
> +#define GK110_DISP_BASE_CHANNEL_DMA                   /* cl507c.h */ 0x0000927c
> +
> +#define NV50_DISP_CORE_CHANNEL_DMA                    /* cl507d.h */ 0x0000507d
> +#define G82_DISP_CORE_CHANNEL_DMA                     /* cl507d.h */ 0x0000827d
> +#define GT200_DISP_CORE_CHANNEL_DMA                   /* cl507d.h */ 0x0000837d
> +#define GT214_DISP_CORE_CHANNEL_DMA                   /* cl507d.h */ 0x0000857d
> +#define GT206_DISP_CORE_CHANNEL_DMA                   /* cl507d.h */ 0x0000887d
> +#define GF110_DISP_CORE_CHANNEL_DMA                   /* cl507d.h */ 0x0000907d
> +#define GK104_DISP_CORE_CHANNEL_DMA                   /* cl507d.h */ 0x0000917d
> +#define GK110_DISP_CORE_CHANNEL_DMA                   /* cl507d.h */ 0x0000927d
> +#define GM107_DISP_CORE_CHANNEL_DMA                   /* cl507d.h */ 0x0000947d
> +#define GM204_DISP_CORE_CHANNEL_DMA                   /* cl507d.h */ 0x0000957d
> +
> +#define NV50_DISP_OVERLAY_CHANNEL_DMA                 /* cl507e.h */ 0x0000507e
> +#define G82_DISP_OVERLAY_CHANNEL_DMA                  /* cl507e.h */ 0x0000827e
> +#define GT200_DISP_OVERLAY_CHANNEL_DMA                /* cl507e.h */ 0x0000837e
> +#define GT214_DISP_OVERLAY_CHANNEL_DMA                /* cl507e.h */ 0x0000857e
> +#define GF110_DISP_OVERLAY_CONTROL_DMA                /* cl507e.h */ 0x0000907e
> +#define GK104_DISP_OVERLAY_CONTROL_DMA                /* cl507e.h */ 0x0000917e
> +
> +#define FERMI_A                                       /* cl9097.h */ 0x00009097
> +#define FERMI_B                                       /* cl9097.h */ 0x00009197
> +#define FERMI_C                                       /* cl9097.h */ 0x00009297
> +
> +#define KEPLER_A                                      /* cl9097.h */ 0x0000a097
> +#define KEPLER_B                                      /* cl9097.h */ 0x0000a197
> +#define KEPLER_C                                      /* cl9097.h */ 0x0000a297
> +
> +#define MAXWELL_A                                     /* cl9097.h */ 0x0000b097
> +#define MAXWELL_B                                     /* cl9097.h */ 0x0000b197
> +
> +#define NV74_BSP                                                     0x000074b0
> +
> +#define GT212_MSVLD                                                  0x000085b1
> +#define IGT21A_MSVLD                                                 0x000086b1
> +#define G98_MSVLD                                                    0x000088b1
> +#define GF100_MSVLD                                                  0x000090b1
> +#define GK104_MSVLD                                                  0x000095b1
> +
> +#define GT212_MSPDEC                                                 0x000085b2
> +#define G98_MSPDEC                                                   0x000088b2
> +#define GF100_MSPDEC                                                 0x000090b2
> +#define GK104_MSPDEC                                                 0x000095b2
> +
> +#define GT212_MSPPP                                                  0x000085b3
> +#define G98_MSPPP                                                    0x000088b3
> +#define GF100_MSPPP                                                  0x000090b3
> +
> +#define G98_SEC                                                      0x000088b4
> +
> +#define GT212_DMA                                                    0x000085b5
> +#define FERMI_DMA                                                    0x000090b5
> +#define KEPLER_DMA_COPY_A                                            0x0000a0b5
> +#define MAXWELL_DMA_COPY_A                                           0x0000b0b5
> +
> +#define FERMI_DECOMPRESS                                             0x000090b8
> +
> +#define FERMI_COMPUTE_A                                              0x000090c0
> +#define FERMI_COMPUTE_B                                              0x000091c0
> +#define KEPLER_COMPUTE_A                                             0x0000a0c0
> +#define KEPLER_COMPUTE_B                                             0x0000a1c0
> +#define MAXWELL_COMPUTE_A                                            0x0000b0c0
> +#define MAXWELL_COMPUTE_B                                            0x0000b1c0
> +
> +#define NV74_CIPHER                                                  0x000074c1
> +#endif
> diff --git a/nouveau/nvif/if0002.h b/nouveau/nvif/if0002.h
> new file mode 100644
> index 0000000..c04c91d
> --- /dev/null
> +++ b/nouveau/nvif/if0002.h
> @@ -0,0 +1,38 @@
> +#ifndef __NVIF_IF0002_H__
> +#define __NVIF_IF0002_H__
> +
> +#define NVIF_PERFMON_V0_QUERY_DOMAIN                                       0x00
> +#define NVIF_PERFMON_V0_QUERY_SIGNAL                                       0x01
> +#define NVIF_PERFMON_V0_QUERY_SOURCE                                       0x02
> +
> +struct nvif_perfmon_query_domain_v0 {
> +	__u8  version;
> +	__u8  id;
> +	__u8  counter_nr;
> +	__u8  iter;
> +	__u16 signal_nr;
> +	__u8  pad05[2];
> +	char  name[64];
> +};
> +
> +struct nvif_perfmon_query_signal_v0 {
> +	__u8  version;
> +	__u8  domain;
> +	__u16 iter;
> +	__u8  signal;
> +	__u8  source_nr;
> +	__u8  pad05[2];
> +	char  name[64];
> +};
> +
> +struct nvif_perfmon_query_source_v0 {
> +	__u8  version;
> +	__u8  domain;
> +	__u8  signal;
> +	__u8  iter;
> +	__u8  pad04[4];
> +	__u32 source;
> +	__u32 mask;
> +	char  name[64];
> +};
> +#endif
> diff --git a/nouveau/nvif/if0003.h b/nouveau/nvif/if0003.h
> new file mode 100644
> index 0000000..0cd03ef
> --- /dev/null
> +++ b/nouveau/nvif/if0003.h
> @@ -0,0 +1,33 @@
> +#ifndef __NVIF_IF0003_H__
> +#define __NVIF_IF0003_H__
> +
> +struct nvif_perfdom_v0 {
> +	__u8  version;
> +	__u8  domain;
> +	__u8  mode;
> +	__u8  pad03[1];
> +	struct {
> +		__u8  signal[4];
> +		__u64 source[4][8];
> +		__u16 logic_op;
> +	} ctr[4];
> +};
> +
> +#define NVIF_PERFDOM_V0_INIT                                               0x00
> +#define NVIF_PERFDOM_V0_SAMPLE                                             0x01
> +#define NVIF_PERFDOM_V0_READ                                               0x02
> +
> +struct nvif_perfdom_init {
> +};
> +
> +struct nvif_perfdom_sample {
> +};
> +
> +struct nvif_perfdom_read_v0 {
> +	__u8  version;
> +	__u8  pad01[7];
> +	__u32 ctr[4];
> +	__u32 clk;
> +	__u8  pad04[4];
> +};
> +#endif
> diff --git a/nouveau/nvif/ioctl.h b/nouveau/nvif/ioctl.h
> new file mode 100644
> index 0000000..c5f5eb8
> --- /dev/null
> +++ b/nouveau/nvif/ioctl.h
> @@ -0,0 +1,132 @@
> +#ifndef __NVIF_IOCTL_H__
> +#define __NVIF_IOCTL_H__
> +
> +#define NVIF_VERSION_LATEST                               0x0000000000000000ULL
> +
> +struct nvif_ioctl_v0 {
> +	__u8  version;
> +#define NVIF_IOCTL_V0_NOP                                                  0x00
> +#define NVIF_IOCTL_V0_SCLASS                                               0x01
> +#define NVIF_IOCTL_V0_NEW                                                  0x02
> +#define NVIF_IOCTL_V0_DEL                                                  0x03
> +#define NVIF_IOCTL_V0_MTHD                                                 0x04
> +#define NVIF_IOCTL_V0_RD                                                   0x05
> +#define NVIF_IOCTL_V0_WR                                                   0x06
> +#define NVIF_IOCTL_V0_MAP                                                  0x07
> +#define NVIF_IOCTL_V0_UNMAP                                                0x08
> +#define NVIF_IOCTL_V0_NTFY_NEW                                             0x09
> +#define NVIF_IOCTL_V0_NTFY_DEL                                             0x0a
> +#define NVIF_IOCTL_V0_NTFY_GET                                             0x0b
> +#define NVIF_IOCTL_V0_NTFY_PUT                                             0x0c
> +	__u8  type;
> +	__u8  pad02[4];
> +#define NVIF_IOCTL_V0_OWNER_NVIF                                           0x00
> +#define NVIF_IOCTL_V0_OWNER_ANY                                            0xff
> +	__u8  owner;
> +#define NVIF_IOCTL_V0_ROUTE_NVIF                                           0x00
> +#define NVIF_IOCTL_V0_ROUTE_HIDDEN                                         0xff
> +	__u8  route;
> +	__u64 token;
> +	__u64 object;
> +	__u8  data[];		/* ioctl data (below) */
> +};
> +
> +struct nvif_ioctl_nop_v0 {
> +	__u64 version;
> +};
> +
> +struct nvif_ioctl_sclass_v0 {
> +	/* nvif_ioctl ... */
> +	__u8  version;
> +	__u8  count;
> +	__u8  pad02[6];
> +	struct nvif_ioctl_sclass_oclass_v0 {
> +		__s32 oclass;
> +		__s16 minver;
> +		__s16 maxver;
> +	} oclass[];
> +};
> +
> +struct nvif_ioctl_new_v0 {
> +	/* nvif_ioctl ... */
> +	__u8  version;
> +	__u8  pad01[6];
> +	__u8  route;
> +	__u64 token;
> +	__u64 object;
> +	__u32 handle;
> +	__s32 oclass;
> +	__u8  data[];		/* class data (class.h) */
> +};
> +
> +struct nvif_ioctl_del {
> +};
> +
> +struct nvif_ioctl_rd_v0 {
> +	/* nvif_ioctl ... */
> +	__u8  version;
> +	__u8  size;
> +	__u8  pad02[2];
> +	__u32 data;
> +	__u64 addr;
> +};
> +
> +struct nvif_ioctl_wr_v0 {
> +	/* nvif_ioctl ... */
> +	__u8  version;
> +	__u8  size;
> +	__u8  pad02[2];
> +	__u32 data;
> +	__u64 addr;
> +};
> +
> +struct nvif_ioctl_map_v0 {
> +	/* nvif_ioctl ... */
> +	__u8  version;
> +	__u8  pad01[3];
> +	__u32 length;
> +	__u64 handle;
> +};
> +
> +struct nvif_ioctl_unmap {
> +};
> +
> +struct nvif_ioctl_ntfy_new_v0 {
> +	/* nvif_ioctl ... */
> +	__u8  version;
> +	__u8  event;
> +	__u8  index;
> +	__u8  pad03[5];
> +	__u8  data[];		/* event request data (event.h) */
> +};
> +
> +struct nvif_ioctl_ntfy_del_v0 {
> +	/* nvif_ioctl ... */
> +	__u8  version;
> +	__u8  index;
> +	__u8  pad02[6];
> +};
> +
> +struct nvif_ioctl_ntfy_get_v0 {
> +	/* nvif_ioctl ... */
> +	__u8  version;
> +	__u8  index;
> +	__u8  pad02[6];
> +};
> +
> +struct nvif_ioctl_ntfy_put_v0 {
> +	/* nvif_ioctl ... */
> +	__u8  version;
> +	__u8  index;
> +	__u8  pad02[6];
> +};
> +
> +struct nvif_ioctl_mthd_v0 {
> +	/* nvif_ioctl ... */
> +	__u8  version;
> +	__u8  method;
> +	__u8  pad02[6];
> +	__u8  data[];		/* method data (class.h) */
> +};
> +
> +#endif
> diff --git a/nouveau/nvif/unpack.h b/nouveau/nvif/unpack.h
> new file mode 100644
> index 0000000..751bcf4
> --- /dev/null
> +++ b/nouveau/nvif/unpack.h
> @@ -0,0 +1,28 @@
> +#ifndef __NVIF_UNPACK_H__
> +#define __NVIF_UNPACK_H__
> +
> +#define nvif_unvers(r,d,s,m) ({                                                \
> +	void **_data = (d); __u32 *_size = (s); int _ret = (r);                \
> +	if (_ret == -ENOSYS && *_size == sizeof(m)) {                          \
> +		*_data = NULL;                                                 \
> +		*_size = _ret = 0;                                             \
> +	}                                                                      \
> +	_ret;                                                                  \
> +})
> +
> +#define nvif_unpack(r,d,s,m,vl,vh,x) ({                                        \
> +	void **_data = (d); __u32 *_size = (s);                                \
> +	int _ret = (r), _vl = (vl), _vh = (vh);                                \
> +	if (_ret == -ENOSYS && *_size >= sizeof(m) &&                          \
> +	    (m).version >= _vl && (m).version <= _vh) {                        \
> +		*_data = (__u8 *)*_data + sizeof(m);                           \
> +		*_size = *_size - sizeof(m);                                   \
> +		if (_ret = 0, !(x)) {                                          \
> +			_ret = *_size ? -E2BIG : 0;                            \
> +			*_data = NULL;                                         \
> +			*_size = 0;                                            \
> +		}                                                              \
> +	}                                                                      \
> +	_ret;                                                                  \
> +})
> +#endif
>


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