public-mirrors/linux
1
0
Fork 0
mirror of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2025-08-05 16:54:27 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

drm/vmwgfx: Add new ioctl for GB surface create and reference

Browse source 
New ioctls DRM_VMW_GB_SURFACE_CREATE_EXT and DRM_VMW_GB_SURFACE_REF_EXT
are added which support 64-bit wide svga device surface flags, quality
level and multisample pattern.

Signed-off-by: Deepak Rawat <drawat@vmware.com>
Reviewed-by: Sinclair Yeh <syeh@vmware.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Charmaine Lee <charmainel@vmware.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
This commit is contained in:
Deepak Rawat 2018-06-20 14:48:35 -07:00 • committed by Thomas Hellstrom
parent 397a11175f
commit 14b1c33e84
6 changed files with 437 additions and 175 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

12
drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
View file

@ -137,6 +137,12 @@
#define DRM_IOCTL_VMW_CREATE_EXTENDED_CONTEXT \ #define DRM_IOCTL_VMW_CREATE_EXTENDED_CONTEXT \
DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_CREATE_EXTENDED_CONTEXT, \ DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_CREATE_EXTENDED_CONTEXT, \
struct drm_vmw_context_arg) struct drm_vmw_context_arg)
#define DRM_IOCTL_VMW_GB_SURFACE_CREATE_EXT \
DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_GB_SURFACE_CREATE_EXT, \
union drm_vmw_gb_surface_create_ext_arg)
#define DRM_IOCTL_VMW_GB_SURFACE_REF_EXT \
DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_GB_SURFACE_REF_EXT, \
union drm_vmw_gb_surface_reference_ext_arg)
/** /**
* The core DRM version of this macro doesn't account for * The core DRM version of this macro doesn't account for
@ -224,6 +230,12 @@ static const struct drm_ioctl_desc vmw_ioctls[] = {
VMW_IOCTL_DEF(VMW_CREATE_EXTENDED_CONTEXT, VMW_IOCTL_DEF(VMW_CREATE_EXTENDED_CONTEXT,
vmw_extended_context_define_ioctl, vmw_extended_context_define_ioctl,
DRM_AUTH | DRM_RENDER_ALLOW), DRM_AUTH | DRM_RENDER_ALLOW),
VMW_IOCTL_DEF(VMW_GB_SURFACE_CREATE_EXT,
vmw_gb_surface_define_ext_ioctl,
DRM_AUTH | DRM_RENDER_ALLOW),
VMW_IOCTL_DEF(VMW_GB_SURFACE_REF_EXT,
vmw_gb_surface_reference_ext_ioctl,
DRM_AUTH | DRM_RENDER_ALLOW),
}; };
static const struct pci_device_id vmw_pci_id_list[] = { static const struct pci_device_id vmw_pci_id_list[] = {

8
drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
View file

@ -1087,7 +1087,15 @@ int vmw_surface_gb_priv_define(struct drm_device *dev,
uint32_t multisample_count, uint32_t multisample_count,
uint32_t array_size, uint32_t array_size,
struct drm_vmw_size size, struct drm_vmw_size size,
SVGA3dMSPattern multisample_pattern,
SVGA3dMSQualityLevel quality_level,
struct vmw_surface **srf_out); struct vmw_surface **srf_out);
extern int vmw_gb_surface_define_ext_ioctl(struct drm_device *dev,
void *data,
struct drm_file *file_priv);
extern int vmw_gb_surface_reference_ext_ioctl(struct drm_device *dev,
void *data,
struct drm_file *file_priv);
/* /*
* Shader management - vmwgfx_shader.c * Shader management - vmwgfx_shader.c

2
drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
View file

@ -1246,6 +1246,8 @@ static int vmw_create_bo_proxy(struct drm_device *dev,
0, 0,
0, 0,
content_base_size, content_base_size,
SVGA3D_MS_PATTERN_NONE,
SVGA3D_MS_QUALITY_NONE,
srf_out); srf_out);
if (ret) { if (ret) {
DRM_ERROR("Failed to allocate proxy content buffer\n"); DRM_ERROR("Failed to allocate proxy content buffer\n");

2
drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c
View file

@ -1188,6 +1188,8 @@ vmw_stdu_primary_plane_prepare_fb(struct drm_plane *plane,
content_srf.multisample_count, content_srf.multisample_count,
0, 0,
display_base_size, display_base_size,
content_srf.multisample_pattern,
content_srf.quality_level,
&vps->surf); &vps->surf);
if (ret != 0) { if (ret != 0) {
DRM_ERROR("Couldn't allocate STDU surface.\n"); DRM_ERROR("Couldn't allocate STDU surface.\n");

452
drivers/gpu/drm/vmwgfx/vmwgfx_surface.c
View file

@ -33,6 +33,10 @@
#include "vmwgfx_binding.h" #include "vmwgfx_binding.h"
#include "device_include/svga3d_surfacedefs.h" #include "device_include/svga3d_surfacedefs.h"
#define SVGA3D_FLAGS_64(upper32, lower32) (((uint64_t)upper32 << 32) | lower32)
#define SVGA3D_FLAGS_UPPER_32(svga3d_flags) (svga3d_flags >> 32)
#define SVGA3D_FLAGS_LOWER_32(svga3d_flags) \
(svga3d_flags & ((uint64_t)U32_MAX))
/** /**
* struct vmw_user_surface - User-space visible surface resource * struct vmw_user_surface - User-space visible surface resource
@ -81,7 +85,16 @@ static int vmw_gb_surface_unbind(struct vmw_resource *res,
bool readback, bool readback,
struct ttm_validate_buffer *val_buf); struct ttm_validate_buffer *val_buf);
static int vmw_gb_surface_destroy(struct vmw_resource *res); static int vmw_gb_surface_destroy(struct vmw_resource *res);
static int
vmw_gb_surface_define_internal(struct drm_device *dev,
struct drm_vmw_gb_surface_create_ext_req *req,
struct drm_vmw_gb_surface_create_rep *rep,
struct drm_file *file_priv);
static int
vmw_gb_surface_reference_internal(struct drm_device *dev,
struct drm_vmw_surface_arg *req,
struct drm_vmw_gb_surface_ref_ext_rep *rep,
struct drm_file *file_priv);
static const struct vmw_user_resource_conv user_surface_conv = { static const struct vmw_user_resource_conv user_surface_conv = {
.object_type = VMW_RES_SURFACE, .object_type = VMW_RES_SURFACE,
@ -1298,117 +1311,19 @@ static int vmw_gb_surface_destroy(struct vmw_resource *res)
int vmw_gb_surface_define_ioctl(struct drm_device *dev, void *data, int vmw_gb_surface_define_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv) struct drm_file *file_priv)
{ {
struct vmw_private *dev_priv = vmw_priv(dev);
struct vmw_user_surface *user_srf;
struct vmw_surface *srf;
struct vmw_resource *res;
struct vmw_resource *tmp;
union drm_vmw_gb_surface_create_arg *arg = union drm_vmw_gb_surface_create_arg *arg =
(union drm_vmw_gb_surface_create_arg *)data; (union drm_vmw_gb_surface_create_arg *)data;
struct drm_vmw_gb_surface_create_req *req = &arg->req;
struct drm_vmw_gb_surface_create_rep *rep = &arg->rep; struct drm_vmw_gb_surface_create_rep *rep = &arg->rep;
struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile; struct drm_vmw_gb_surface_create_ext_req req_ext;
int ret;
uint32_t size;
uint32_t backup_handle = 0;
if (req->multisample_count != 0) req_ext.base = arg->req;
return -EINVAL; req_ext.version = drm_vmw_gb_surface_v1;
req_ext.svga3d_flags_upper_32_bits = 0;
req_ext.multisample_pattern = SVGA3D_MS_PATTERN_NONE;
req_ext.quality_level = SVGA3D_MS_QUALITY_NONE;
req_ext.must_be_zero = 0;
if (req->mip_levels > DRM_VMW_MAX_MIP_LEVELS) return vmw_gb_surface_define_internal(dev, &req_ext, rep, file_priv);
return -EINVAL;
if (unlikely(vmw_user_surface_size == 0))
vmw_user_surface_size = ttm_round_pot(sizeof(*user_srf)) +
128;
size = vmw_user_surface_size + 128;
/* Define a surface based on the parameters. */
ret = vmw_surface_gb_priv_define(dev,
size,
(SVGA3dSurfaceAllFlags)req->svga3d_flags,
req->format,
req->drm_surface_flags & drm_vmw_surface_flag_scanout,
req->mip_levels,
req->multisample_count,
req->array_size,
req->base_size,
&srf);
if (unlikely(ret != 0))
return ret;
user_srf = container_of(srf, struct vmw_user_surface, srf);
if (drm_is_primary_client(file_priv))
user_srf->master = drm_master_get(file_priv->master);
ret = ttm_read_lock(&dev_priv->reservation_sem, true);
if (unlikely(ret != 0))
return ret;
res = &user_srf->srf.res;
if (req->buffer_handle != SVGA3D_INVALID_ID) {
ret = vmw_user_bo_lookup(tfile, req->buffer_handle,
&res->backup,
&user_srf->backup_base);
if (ret == 0) {
if (res->backup->base.num_pages * PAGE_SIZE <
res->backup_size) {
DRM_ERROR("Surface backup buffer is too small.\n");
vmw_bo_unreference(&res->backup);
ret = -EINVAL;
goto out_unlock;
} else {
backup_handle = req->buffer_handle;
}
}
} else if (req->drm_surface_flags & drm_vmw_surface_flag_create_buffer)
ret = vmw_user_bo_alloc(dev_priv, tfile,
res->backup_size,
req->drm_surface_flags &
drm_vmw_surface_flag_shareable,
&backup_handle,
&res->backup,
&user_srf->backup_base);
if (unlikely(ret != 0)) {
vmw_resource_unreference(&res);
goto out_unlock;
}
tmp = vmw_resource_reference(res);
ret = ttm_prime_object_init(tfile, res->backup_size, &user_srf->prime,
req->drm_surface_flags &
drm_vmw_surface_flag_shareable,
VMW_RES_SURFACE,
&vmw_user_surface_base_release, NULL);
if (unlikely(ret != 0)) {
vmw_resource_unreference(&tmp);
vmw_resource_unreference(&res);
goto out_unlock;
}
rep->handle = user_srf->prime.base.hash.key;
rep->backup_size = res->backup_size;
if (res->backup) {
rep->buffer_map_handle =
drm_vma_node_offset_addr(&res->backup->base.vma_node);
rep->buffer_size = res->backup->base.num_pages * PAGE_SIZE;
rep->buffer_handle = backup_handle;
} else {
rep->buffer_map_handle = 0;
rep->buffer_size = 0;
rep->buffer_handle = SVGA3D_INVALID_ID;
}
vmw_resource_unreference(&res);
out_unlock:
ttm_read_unlock(&dev_priv->reservation_sem);
return ret;
} }
/** /**
@ -1422,60 +1337,20 @@ out_unlock:
int vmw_gb_surface_reference_ioctl(struct drm_device *dev, void *data, int vmw_gb_surface_reference_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv) struct drm_file *file_priv)
{ {
struct vmw_private *dev_priv = vmw_priv(dev);
union drm_vmw_gb_surface_reference_arg *arg = union drm_vmw_gb_surface_reference_arg *arg =
(union drm_vmw_gb_surface_reference_arg *)data; (union drm_vmw_gb_surface_reference_arg *)data;
struct drm_vmw_surface_arg *req = &arg->req; struct drm_vmw_surface_arg *req = &arg->req;
struct drm_vmw_gb_surface_ref_rep *rep = &arg->rep; struct drm_vmw_gb_surface_ref_rep *rep = &arg->rep;
struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile; struct drm_vmw_gb_surface_ref_ext_rep rep_ext;
struct vmw_surface *srf; int ret;
struct vmw_user_surface *user_srf;
struct ttm_base_object *base; ret = vmw_gb_surface_reference_internal(dev, req, &rep_ext, file_priv);
uint32_t backup_handle;
int ret = -EINVAL;
ret = vmw_surface_handle_reference(dev_priv, file_priv, req->sid,
req->handle_type, &base);
if (unlikely(ret != 0)) if (unlikely(ret != 0))
return ret; return ret;
user_srf = container_of(base, struct vmw_user_surface, prime.base); rep->creq = rep_ext.creq.base;
srf = &user_srf->srf; rep->crep = rep_ext.crep;
if (!srf->res.backup) {
DRM_ERROR("Shared GB surface is missing a backup buffer.\n");
goto out_bad_resource;
}
mutex_lock(&dev_priv->cmdbuf_mutex); /* Protect res->backup */
ret = vmw_user_bo_reference(tfile, srf->res.backup, &backup_handle);
mutex_unlock(&dev_priv->cmdbuf_mutex);
if (unlikely(ret != 0)) {
DRM_ERROR("Could not add a reference to a GB surface "
"backup buffer.\n");
(void) ttm_ref_object_base_unref(tfile, base->hash.key,
TTM_REF_USAGE);
goto out_bad_resource;
}
rep->creq.svga3d_flags = (uint32_t)srf->flags;
rep->creq.format = srf->format;
rep->creq.mip_levels = srf->mip_levels[0];
rep->creq.drm_surface_flags = 0;
rep->creq.multisample_count = srf->multisample_count;
rep->creq.autogen_filter = srf->autogen_filter;
rep->creq.array_size = srf->array_size;
rep->creq.buffer_handle = backup_handle;
rep->creq.base_size = srf->base_size;
rep->crep.handle = user_srf->prime.base.hash.key;
rep->crep.backup_size = srf->res.backup_size;
rep->crep.buffer_handle = backup_handle;
rep->crep.buffer_map_handle =
drm_vma_node_offset_addr(&srf->res.backup->base.vma_node);
rep->crep.buffer_size = srf->res.backup->base.num_pages * PAGE_SIZE;
out_bad_resource:
ttm_base_object_unref(&base);
return ret; return ret;
} }
@ -1493,6 +1368,8 @@ out_bad_resource:
* @multisample_count: * @multisample_count:
* @array_size: Surface array size. * @array_size: Surface array size.
* @size: width, heigh, depth of the surface requested * @size: width, heigh, depth of the surface requested
* @multisample_pattern: Multisampling pattern when msaa is supported
* @quality_level: Precision settings
* @user_srf_out: allocated user_srf. Set to NULL on failure. * @user_srf_out: allocated user_srf. Set to NULL on failure.
* *
* GB surfaces allocated by this function will not have a user mode handle, and * GB surfaces allocated by this function will not have a user mode handle, and
@ -1509,6 +1386,8 @@ int vmw_surface_gb_priv_define(struct drm_device *dev,
uint32_t multisample_count, uint32_t multisample_count,
uint32_t array_size, uint32_t array_size,
struct drm_vmw_size size, struct drm_vmw_size size,
SVGA3dMSPattern multisample_pattern,
SVGA3dMSQualityLevel quality_level,
struct vmw_surface **srf_out) struct vmw_surface **srf_out)
{ {
struct vmw_private *dev_priv = vmw_priv(dev); struct vmw_private *dev_priv = vmw_priv(dev);
@ -1519,7 +1398,7 @@ int vmw_surface_gb_priv_define(struct drm_device *dev,
}; };
struct vmw_surface *srf; struct vmw_surface *srf;
int ret; int ret;
u32 num_layers; u32 num_layers = 1;
*srf_out = NULL; *srf_out = NULL;
@ -1594,15 +1473,13 @@ int vmw_surface_gb_priv_define(struct drm_device *dev,
srf->autogen_filter = SVGA3D_TEX_FILTER_NONE; srf->autogen_filter = SVGA3D_TEX_FILTER_NONE;
srf->array_size = array_size; srf->array_size = array_size;
srf->multisample_count = multisample_count; srf->multisample_count = multisample_count;
srf->multisample_pattern = SVGA3D_MS_PATTERN_NONE; srf->multisample_pattern = multisample_pattern;
srf->quality_level = SVGA3D_MS_QUALITY_NONE; srf->quality_level = quality_level;
if (array_size) if (array_size)
num_layers = array_size; num_layers = array_size;
else if (svga3d_flags & SVGA3D_SURFACE_CUBEMAP) else if (svga3d_flags & SVGA3D_SURFACE_CUBEMAP)
num_layers = SVGA3D_MAX_SURFACE_FACES; num_layers = SVGA3D_MAX_SURFACE_FACES;
else
num_layers = 1;
srf->res.backup_size = srf->res.backup_size =
svga3dsurface_get_serialized_size(srf->format, svga3dsurface_get_serialized_size(srf->format,
@ -1633,3 +1510,262 @@ out_unlock:
ttm_read_unlock(&dev_priv->reservation_sem); ttm_read_unlock(&dev_priv->reservation_sem);
return ret; return ret;
} }
/**
* vmw_gb_surface_define_ext_ioctl - Ioctl function implementing
* the user surface define functionality.
*
* @dev: Pointer to a struct drm_device.
* @data: Pointer to data copied from / to user-space.
* @file_priv: Pointer to a drm file private structure.
*/
int vmw_gb_surface_define_ext_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
union drm_vmw_gb_surface_create_ext_arg *arg =
(union drm_vmw_gb_surface_create_ext_arg *)data;
struct drm_vmw_gb_surface_create_ext_req *req = &arg->req;
struct drm_vmw_gb_surface_create_rep *rep = &arg->rep;
return vmw_gb_surface_define_internal(dev, req, rep, file_priv);
}
/**
* vmw_gb_surface_reference_ext_ioctl - Ioctl function implementing
* the user surface reference functionality.
*
* @dev: Pointer to a struct drm_device.
* @data: Pointer to data copied from / to user-space.
* @file_priv: Pointer to a drm file private structure.
*/
int vmw_gb_surface_reference_ext_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
union drm_vmw_gb_surface_reference_ext_arg *arg =
(union drm_vmw_gb_surface_reference_ext_arg *)data;
struct drm_vmw_surface_arg *req = &arg->req;
struct drm_vmw_gb_surface_ref_ext_rep *rep = &arg->rep;
return vmw_gb_surface_reference_internal(dev, req, rep, file_priv);
}
/**
* vmw_gb_surface_define_internal - Ioctl function implementing
* the user surface define functionality.
*
* @dev: Pointer to a struct drm_device.
* @req: Request argument from user-space.
* @rep: Response argument to user-space.
* @file_priv: Pointer to a drm file private structure.
*/
static int
vmw_gb_surface_define_internal(struct drm_device *dev,
struct drm_vmw_gb_surface_create_ext_req *req,
struct drm_vmw_gb_surface_create_rep *rep,
struct drm_file *file_priv)
{
struct vmw_private *dev_priv = vmw_priv(dev);
struct vmw_user_surface *user_srf;
struct vmw_surface *srf;
struct vmw_resource *res;
struct vmw_resource *tmp;
struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile;
int ret;
uint32_t size;
uint32_t backup_handle = 0;
SVGA3dSurfaceAllFlags svga3d_flags_64 =
SVGA3D_FLAGS_64(req->svga3d_flags_upper_32_bits,
req->base.svga3d_flags);
if (!dev_priv->has_sm4_1) {
/*
* If SM4_1 is not support then cannot send 64-bit flag to
* device.
*/
if (req->svga3d_flags_upper_32_bits != 0)
return -EINVAL;
if (req->base.multisample_count != 0)
return -EINVAL;
if (req->multisample_pattern != SVGA3D_MS_PATTERN_NONE)
return -EINVAL;
if (req->quality_level != SVGA3D_MS_QUALITY_NONE)
return -EINVAL;
}
if (req->base.mip_levels > DRM_VMW_MAX_MIP_LEVELS)
return -EINVAL;
if (unlikely(vmw_user_surface_size == 0))
vmw_user_surface_size = ttm_round_pot(sizeof(*user_srf)) +
128;
size = vmw_user_surface_size + 128;
/* Define a surface based on the parameters. */
ret = vmw_surface_gb_priv_define(dev,
size,
svga3d_flags_64,
req->base.format,
req->base.drm_surface_flags &
drm_vmw_surface_flag_scanout,
req->base.mip_levels,
req->base.multisample_count,
req->base.array_size,
req->base.base_size,
req->multisample_pattern,
req->quality_level,
&srf);
if (unlikely(ret != 0))
return ret;
user_srf = container_of(srf, struct vmw_user_surface, srf);
if (drm_is_primary_client(file_priv))
user_srf->master = drm_master_get(file_priv->master);
ret = ttm_read_lock(&dev_priv->reservation_sem, true);
if (unlikely(ret != 0))
return ret;
res = &user_srf->srf.res;
if (req->base.buffer_handle != SVGA3D_INVALID_ID) {
ret = vmw_user_bo_lookup(tfile, req->base.buffer_handle,
&res->backup,
&user_srf->backup_base);
if (ret == 0) {
if (res->backup->base.num_pages * PAGE_SIZE <
res->backup_size) {
DRM_ERROR("Surface backup buffer too small.\n");
vmw_bo_unreference(&res->backup);
ret = -EINVAL;
goto out_unlock;
} else {
backup_handle = req->base.buffer_handle;
}
}
} else if (req->base.drm_surface_flags &
drm_vmw_surface_flag_create_buffer)
ret = vmw_user_bo_alloc(dev_priv, tfile,
res->backup_size,
req->base.drm_surface_flags &
drm_vmw_surface_flag_shareable,
&backup_handle,
&res->backup,
&user_srf->backup_base);
if (unlikely(ret != 0)) {
vmw_resource_unreference(&res);
goto out_unlock;
}
tmp = vmw_resource_reference(res);
ret = ttm_prime_object_init(tfile, res->backup_size, &user_srf->prime,
req->base.drm_surface_flags &
drm_vmw_surface_flag_shareable,
VMW_RES_SURFACE,
&vmw_user_surface_base_release, NULL);
if (unlikely(ret != 0)) {
vmw_resource_unreference(&tmp);
vmw_resource_unreference(&res);
goto out_unlock;
}
rep->handle = user_srf->prime.base.hash.key;
rep->backup_size = res->backup_size;
if (res->backup) {
rep->buffer_map_handle =
drm_vma_node_offset_addr(&res->backup->base.vma_node);
rep->buffer_size = res->backup->base.num_pages * PAGE_SIZE;
rep->buffer_handle = backup_handle;
} else {
rep->buffer_map_handle = 0;
rep->buffer_size = 0;
rep->buffer_handle = SVGA3D_INVALID_ID;
}
vmw_resource_unreference(&res);
out_unlock:
ttm_read_unlock(&dev_priv->reservation_sem);
return ret;
}
/**
* vmw_gb_surface_reference_internal - Ioctl function implementing
* the user surface reference functionality.
*
* @dev: Pointer to a struct drm_device.
* @req: Pointer to user-space request surface arg.
* @rep: Pointer to response to user-space.
* @file_priv: Pointer to a drm file private structure.
*/
static int
vmw_gb_surface_reference_internal(struct drm_device *dev,
struct drm_vmw_surface_arg *req,
struct drm_vmw_gb_surface_ref_ext_rep *rep,
struct drm_file *file_priv)
{
struct vmw_private *dev_priv = vmw_priv(dev);
struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile;
struct vmw_surface *srf;
struct vmw_user_surface *user_srf;
struct ttm_base_object *base;
uint32_t backup_handle;
int ret = -EINVAL;
ret = vmw_surface_handle_reference(dev_priv, file_priv, req->sid,
req->handle_type, &base);
if (unlikely(ret != 0))
return ret;
user_srf = container_of(base, struct vmw_user_surface, prime.base);
srf = &user_srf->srf;
if (!srf->res.backup) {
DRM_ERROR("Shared GB surface is missing a backup buffer.\n");
goto out_bad_resource;
}
mutex_lock(&dev_priv->cmdbuf_mutex); /* Protect res->backup */
ret = vmw_user_bo_reference(tfile, srf->res.backup, &backup_handle);
mutex_unlock(&dev_priv->cmdbuf_mutex);
if (unlikely(ret != 0)) {
DRM_ERROR("Could not add a reference to a GB surface "
"backup buffer.\n");
(void) ttm_ref_object_base_unref(tfile, base->hash.key,
TTM_REF_USAGE);
goto out_bad_resource;
}
rep->creq.base.svga3d_flags = SVGA3D_FLAGS_LOWER_32(srf->flags);
rep->creq.base.format = srf->format;
rep->creq.base.mip_levels = srf->mip_levels[0];
rep->creq.base.drm_surface_flags = 0;
rep->creq.base.multisample_count = srf->multisample_count;
rep->creq.base.autogen_filter = srf->autogen_filter;
rep->creq.base.array_size = srf->array_size;
rep->creq.base.buffer_handle = backup_handle;
rep->creq.base.base_size = srf->base_size;
rep->crep.handle = user_srf->prime.base.hash.key;
rep->crep.backup_size = srf->res.backup_size;
rep->crep.buffer_handle = backup_handle;
rep->crep.buffer_map_handle =
drm_vma_node_offset_addr(&srf->res.backup->base.vma_node);
rep->crep.buffer_size = srf->res.backup->base.num_pages * PAGE_SIZE;
rep->creq.version = drm_vmw_gb_surface_v1;
rep->creq.svga3d_flags_upper_32_bits =
SVGA3D_FLAGS_UPPER_32(srf->flags);
rep->creq.multisample_pattern = srf->multisample_pattern;
rep->creq.quality_level = srf->quality_level;
rep->creq.must_be_zero = 0;
out_bad_resource:
ttm_base_object_unref(&base);
return ret;
}

102
include/uapi/drm/vmwgfx_drm.h
View file

@ -69,6 +69,8 @@ extern "C" {
#define DRM_VMW_GB_SURFACE_REF 24 #define DRM_VMW_GB_SURFACE_REF 24
#define DRM_VMW_SYNCCPU 25 #define DRM_VMW_SYNCCPU 25
#define DRM_VMW_CREATE_EXTENDED_CONTEXT 26 #define DRM_VMW_CREATE_EXTENDED_CONTEXT 26
#define DRM_VMW_GB_SURFACE_CREATE_EXT 27
#define DRM_VMW_GB_SURFACE_REF_EXT 28
/*************************************************************************/ /*************************************************************************/
/** /**
@ -1105,6 +1107,106 @@ struct drm_vmw_handle_close_arg {
}; };
#define drm_vmw_unref_dmabuf_arg drm_vmw_handle_close_arg #define drm_vmw_unref_dmabuf_arg drm_vmw_handle_close_arg
/*************************************************************************/
/**
* DRM_VMW_GB_SURFACE_CREATE_EXT - Create a host guest-backed surface.
*
* Allocates a surface handle and queues a create surface command
* for the host on the first use of the surface. The surface ID can
* be used as the surface ID in commands referencing the surface.
*
* This new command extends DRM_VMW_GB_SURFACE_CREATE by adding version
* parameter and 64 bit svga flag.
*/
/**
* enum drm_vmw_surface_version
*
* @drm_vmw_surface_gb_v1: Corresponds to current gb surface format with
* svga3d surface flags split into 2, upper half and lower half.
*/
enum drm_vmw_surface_version {
drm_vmw_gb_surface_v1
};
/**
* struct drm_vmw_gb_surface_create_ext_req
*
* @base: Surface create parameters.
* @version: Version of surface create ioctl.
* @svga3d_flags_upper_32_bits: Upper 32 bits of svga3d flags.
* @multisample_pattern: Multisampling pattern when msaa is supported.
* @quality_level: Precision settings for each sample.
* @must_be_zero: Reserved for future usage.
*
* Input argument to the DRM_VMW_GB_SURFACE_CREATE_EXT Ioctl.
* Part of output argument for the DRM_VMW_GB_SURFACE_REF_EXT Ioctl.
*/
struct drm_vmw_gb_surface_create_ext_req {
struct drm_vmw_gb_surface_create_req base;
enum drm_vmw_surface_version version;
uint32_t svga3d_flags_upper_32_bits;
SVGA3dMSPattern multisample_pattern;
SVGA3dMSQualityLevel quality_level;
uint64_t must_be_zero;
};
/**
* union drm_vmw_gb_surface_create_ext_arg
*
* @req: Input argument as described above.
* @rep: Output argument as described above.
*
* Argument to the DRM_VMW_GB_SURFACE_CREATE_EXT ioctl.
*/
union drm_vmw_gb_surface_create_ext_arg {
struct drm_vmw_gb_surface_create_rep rep;
struct drm_vmw_gb_surface_create_ext_req req;
};
/*************************************************************************/
/**
* DRM_VMW_GB_SURFACE_REF_EXT - Reference a host surface.
*
* Puts a reference on a host surface with a given handle, as previously
* returned by the DRM_VMW_GB_SURFACE_CREATE_EXT ioctl.
* A reference will make sure the surface isn't destroyed while we hold
* it and will allow the calling client to use the surface handle in
* the command stream.
*
* On successful return, the Ioctl returns the surface information given
* to and returned from the DRM_VMW_GB_SURFACE_CREATE_EXT ioctl.
*/
/**
* struct drm_vmw_gb_surface_ref_ext_rep
*
* @creq: The data used as input when the surface was created, as described
* above at "struct drm_vmw_gb_surface_create_ext_req"
* @crep: Additional data output when the surface was created, as described
* above at "struct drm_vmw_gb_surface_create_rep"
*
* Output Argument to the DRM_VMW_GB_SURFACE_REF_EXT ioctl.
*/
struct drm_vmw_gb_surface_ref_ext_rep {
struct drm_vmw_gb_surface_create_ext_req creq;
struct drm_vmw_gb_surface_create_rep crep;
};
/**
* union drm_vmw_gb_surface_reference_ext_arg
*
* @req: Input data as described above at "struct drm_vmw_surface_arg"
* @rep: Output data as described above at
* "struct drm_vmw_gb_surface_ref_ext_rep"
*
* Argument to the DRM_VMW_GB_SURFACE_REF Ioctl.
*/
union drm_vmw_gb_surface_reference_ext_arg {
struct drm_vmw_gb_surface_ref_ext_rep rep;
struct drm_vmw_surface_arg req;
};
#if defined(__cplusplus) #if defined(__cplusplus)
} }
#endif #endif