From: Deepak Rawat <drawat@xxxxxxxxxx>
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@xxxxxxxxxx>
Reviewed-by: Sinclair Yeh <syeh@xxxxxxxxxx>
Reviewed-by: Brian Paul <brianp@xxxxxxxxxx>
Reviewed-by: Thomas Hellstrom <thellstrom@xxxxxxxxxx>
Reviewed-by: Charmaine Lee <charmainel@xxxxxxxxxx>
Signed-off-by: Thomas Hellstrom <thellstrom@xxxxxxxxxx>
---
drivers/gpu/drm/vmwgfx/vmwgfx_drv.c | 12 +
drivers/gpu/drm/vmwgfx/vmwgfx_drv.h | 8 +
drivers/gpu/drm/vmwgfx/vmwgfx_kms.c | 20 +-
drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c | 2 +
drivers/gpu/drm/vmwgfx/vmwgfx_surface.c | 468 +++++++++++++++---------
include/uapi/drm/vmwgfx_drm.h | 102 ++++++
6 files changed, 437 insertions(+), 175 deletions(-)
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
index 6cf81e19182f..59229111f303 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
@@ -137,6 +137,12 @@
#define DRM_IOCTL_VMW_CREATE_EXTENDED_CONTEXT \
DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_CREATE_EXTENDED_CONTEXT, \
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
@@ -224,6 +230,12 @@ static const struct drm_ioctl_desc vmw_ioctls[] = {
VMW_IOCTL_DEF(VMW_CREATE_EXTENDED_CONTEXT,
vmw_extended_context_define_ioctl,
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[] = {
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
index 7e5c93083036..59af14714797 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
@@ -1087,7 +1087,15 @@ int vmw_surface_gb_priv_define(struct drm_device *dev,
uint32_t multisample_count,
uint32_t array_size,
struct drm_vmw_size size,
+ SVGA3dMSPattern multisample_pattern,
+ SVGA3dMSQualityLevel quality_level,
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
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
index 0fb363458ab5..3201b0a51d10 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
@@ -1238,15 +1238,17 @@ static int vmw_create_bo_proxy(struct drm_device *dev,
content_base_size.depth = 1;
ret = vmw_surface_gb_priv_define(dev,
- 0, /* kernel visible only */
- 0, /* flags */
- format,
- true, /* can be a scanout buffer */
- 1, /* num of mip levels */
- 0,
- 0,
- content_base_size,
- srf_out);
+ 0, /* kernel visible only */
+ 0, /* flags */
+ format,
+ true, /* can be a scanout buffer */
+ 1, /* num of mip levels */
+ 0,
+ 0,
+ content_base_size,
+ SVGA3D_MS_PATTERN_NONE,
+ SVGA3D_MS_QUALITY_NONE,
+ srf_out);
if (ret) {
DRM_ERROR("Failed to allocate proxy content buffer\n");
return ret;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c b/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c
index 6630abf3a95c..f9872c9e60c4 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c
@@ -1188,6 +1188,8 @@ vmw_stdu_primary_plane_prepare_fb(struct drm_plane *plane,
content_srf.multisample_count,
0,
display_base_size,
+ content_srf.multisample_pattern,
+ content_srf.quality_level,
&vps->surf);
if (ret != 0) {
DRM_ERROR("Couldn't allocate STDU surface.\n");
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c b/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c
index a5f93f62c7fa..1d4c010a0e48 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c
@@ -33,6 +33,10 @@
#include "vmwgfx_binding.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
@@ -81,7 +85,16 @@ static int vmw_gb_surface_unbind(struct vmw_resource *res,
bool readback,
struct ttm_validate_buffer *val_buf);
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 = {
.object_type = VMW_RES_SURFACE,
@@ -1289,193 +1302,55 @@ static int vmw_gb_surface_destroy(struct vmw_resource *res)
/**
* vmw_gb_surface_define_ioctl - Ioctl function implementing
- * the user surface define functionality.
+ * 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.
+ * @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_ioctl(struct drm_device *dev, void *data,
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 *)data;
- struct drm_vmw_gb_surface_create_req *req = &arg->req;
struct drm_vmw_gb_surface_create_rep *rep = &arg->rep;
- struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile;
- int ret;
- uint32_t size;
- uint32_t backup_handle = 0;
-
- if (req->multisample_count != 0)
- return -EINVAL;
-
- if (req->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,
- (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;
- }
+ struct drm_vmw_gb_surface_create_ext_req req_ext;
- vmw_resource_unreference(&res);
+ req_ext.base = arg->req;
+ 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;
-out_unlock:
- ttm_read_unlock(&dev_priv->reservation_sem);
- return ret;
+ return vmw_gb_surface_define_internal(dev, &req_ext, rep, file_priv);
}
/**
* vmw_gb_surface_reference_ioctl - Ioctl function implementing
- * the user surface reference functionality.
+ * 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.
+ * @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_ioctl(struct drm_device *dev, void *data,
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 *)data;
struct drm_vmw_surface_arg *req = &arg->req;
struct drm_vmw_gb_surface_ref_rep *rep = &arg->rep;
- 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;
+ struct drm_vmw_gb_surface_ref_ext_rep rep_ext;
+ int ret;
+
+ ret = vmw_gb_surface_reference_internal(dev, req, &rep_ext, file_priv);
- 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.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);
+ rep->creq = rep_ext.creq.base;
+ rep->crep = rep_ext.crep;
return ret;
}
@@ -1493,6 +1368,8 @@ int vmw_gb_surface_reference_ioctl(struct drm_device *dev, void *data,
* @multisample_count:
* @array_size: Surface array size.
* @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.
*
* 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 array_size,
struct drm_vmw_size size,
+ SVGA3dMSPattern multisample_pattern,
+ SVGA3dMSQualityLevel quality_level,
struct vmw_surface **srf_out)
{
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;
int ret;
- u32 num_layers;
+ u32 num_layers = 1;
*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->array_size = array_size;
srf->multisample_count = multisample_count;
- srf->multisample_pattern = SVGA3D_MS_PATTERN_NONE;
- srf->quality_level = SVGA3D_MS_QUALITY_NONE;
+ srf->multisample_pattern = multisample_pattern;
+ srf->quality_level = quality_level;
if (array_size)
num_layers = array_size;
else if (svga3d_flags & SVGA3D_SURFACE_CUBEMAP)
num_layers = SVGA3D_MAX_SURFACE_FACES;
- else
- num_layers = 1;
srf->res.backup_size =
svga3dsurface_get_serialized_size(srf->format,
@@ -1633,3 +1510,262 @@ int vmw_surface_gb_priv_define(struct drm_device *dev,
ttm_read_unlock(&dev_priv->reservation_sem);
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;
+}
diff --git a/include/uapi/drm/vmwgfx_drm.h b/include/uapi/drm/vmwgfx_drm.h
index 84e81b38ca18..68ff37d4c035 100644
--- a/include/uapi/drm/vmwgfx_drm.h
+++ b/include/uapi/drm/vmwgfx_drm.h
@@ -69,6 +69,8 @@ extern "C" {
#define DRM_VMW_GB_SURFACE_REF 24
#define DRM_VMW_SYNCCPU 25
#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
+/*************************************************************************/
+/**
+ * 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)
}
#endif
--
2.18.0.rc1
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