drm/vmwgfx: Add new ioctl for GB surface create and reference
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
committed by
Thomas Hellstrom
Thomas Hellstrom
parent
397a11175f
commit
14b1c33e84
@@ -33,6 +33,10 @@
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#include "vmwgfx_binding.h"
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#include "device_include/svga3d_surfacedefs.h"
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#define SVGA3D_FLAGS_64(upper32, lower32) (((uint64_t)upper32 << 32) | lower32)
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#define SVGA3D_FLAGS_UPPER_32(svga3d_flags) (svga3d_flags >> 32)
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#define SVGA3D_FLAGS_LOWER_32(svga3d_flags) \
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(svga3d_flags & ((uint64_t)U32_MAX))
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/**
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* struct vmw_user_surface - User-space visible surface resource
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@@ -81,7 +85,16 @@ static int vmw_gb_surface_unbind(struct vmw_resource *res,
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bool readback,
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struct ttm_validate_buffer *val_buf);
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static int vmw_gb_surface_destroy(struct vmw_resource *res);
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static int
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vmw_gb_surface_define_internal(struct drm_device *dev,
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struct drm_vmw_gb_surface_create_ext_req *req,
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struct drm_vmw_gb_surface_create_rep *rep,
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struct drm_file *file_priv);
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static int
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vmw_gb_surface_reference_internal(struct drm_device *dev,
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struct drm_vmw_surface_arg *req,
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struct drm_vmw_gb_surface_ref_ext_rep *rep,
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struct drm_file *file_priv);
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static const struct vmw_user_resource_conv user_surface_conv = {
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.object_type = VMW_RES_SURFACE,
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@@ -1289,193 +1302,55 @@ static int vmw_gb_surface_destroy(struct vmw_resource *res)
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/**
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* vmw_gb_surface_define_ioctl - Ioctl function implementing
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* the user surface define functionality.
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* the user surface define functionality.
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*
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* @dev: Pointer to a struct drm_device.
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* @data: Pointer to data copied from / to user-space.
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* @file_priv: Pointer to a drm file private structure.
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* @dev: Pointer to a struct drm_device.
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* @data: Pointer to data copied from / to user-space.
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* @file_priv: Pointer to a drm file private structure.
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*/
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int vmw_gb_surface_define_ioctl(struct drm_device *dev, void *data,
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struct drm_file *file_priv)
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{
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struct vmw_private *dev_priv = vmw_priv(dev);
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struct vmw_user_surface *user_srf;
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struct vmw_surface *srf;
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struct vmw_resource *res;
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struct vmw_resource *tmp;
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union drm_vmw_gb_surface_create_arg *arg =
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(union drm_vmw_gb_surface_create_arg *)data;
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struct drm_vmw_gb_surface_create_req *req = &arg->req;
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struct drm_vmw_gb_surface_create_rep *rep = &arg->rep;
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struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile;
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int ret;
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uint32_t size;
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uint32_t backup_handle = 0;
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struct drm_vmw_gb_surface_create_ext_req req_ext;
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if (req->multisample_count != 0)
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return -EINVAL;
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req_ext.base = arg->req;
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req_ext.version = drm_vmw_gb_surface_v1;
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req_ext.svga3d_flags_upper_32_bits = 0;
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req_ext.multisample_pattern = SVGA3D_MS_PATTERN_NONE;
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req_ext.quality_level = SVGA3D_MS_QUALITY_NONE;
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req_ext.must_be_zero = 0;
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if (req->mip_levels > DRM_VMW_MAX_MIP_LEVELS)
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return -EINVAL;
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if (unlikely(vmw_user_surface_size == 0))
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vmw_user_surface_size = ttm_round_pot(sizeof(*user_srf)) +
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128;
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size = vmw_user_surface_size + 128;
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/* Define a surface based on the parameters. */
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ret = vmw_surface_gb_priv_define(dev,
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size,
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(SVGA3dSurfaceAllFlags)req->svga3d_flags,
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req->format,
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req->drm_surface_flags & drm_vmw_surface_flag_scanout,
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req->mip_levels,
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req->multisample_count,
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req->array_size,
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req->base_size,
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&srf);
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if (unlikely(ret != 0))
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return ret;
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user_srf = container_of(srf, struct vmw_user_surface, srf);
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if (drm_is_primary_client(file_priv))
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user_srf->master = drm_master_get(file_priv->master);
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ret = ttm_read_lock(&dev_priv->reservation_sem, true);
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if (unlikely(ret != 0))
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return ret;
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res = &user_srf->srf.res;
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if (req->buffer_handle != SVGA3D_INVALID_ID) {
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ret = vmw_user_bo_lookup(tfile, req->buffer_handle,
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&res->backup,
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&user_srf->backup_base);
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if (ret == 0) {
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if (res->backup->base.num_pages * PAGE_SIZE <
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res->backup_size) {
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DRM_ERROR("Surface backup buffer is too small.\n");
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vmw_bo_unreference(&res->backup);
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ret = -EINVAL;
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goto out_unlock;
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} else {
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backup_handle = req->buffer_handle;
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}
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}
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} else if (req->drm_surface_flags & drm_vmw_surface_flag_create_buffer)
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ret = vmw_user_bo_alloc(dev_priv, tfile,
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res->backup_size,
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req->drm_surface_flags &
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drm_vmw_surface_flag_shareable,
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&backup_handle,
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&res->backup,
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&user_srf->backup_base);
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if (unlikely(ret != 0)) {
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vmw_resource_unreference(&res);
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goto out_unlock;
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}
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tmp = vmw_resource_reference(res);
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ret = ttm_prime_object_init(tfile, res->backup_size, &user_srf->prime,
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req->drm_surface_flags &
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drm_vmw_surface_flag_shareable,
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VMW_RES_SURFACE,
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&vmw_user_surface_base_release, NULL);
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if (unlikely(ret != 0)) {
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vmw_resource_unreference(&tmp);
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vmw_resource_unreference(&res);
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goto out_unlock;
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}
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rep->handle = user_srf->prime.base.hash.key;
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rep->backup_size = res->backup_size;
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if (res->backup) {
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rep->buffer_map_handle =
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drm_vma_node_offset_addr(&res->backup->base.vma_node);
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rep->buffer_size = res->backup->base.num_pages * PAGE_SIZE;
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rep->buffer_handle = backup_handle;
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} else {
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rep->buffer_map_handle = 0;
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rep->buffer_size = 0;
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rep->buffer_handle = SVGA3D_INVALID_ID;
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}
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vmw_resource_unreference(&res);
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out_unlock:
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ttm_read_unlock(&dev_priv->reservation_sem);
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return ret;
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return vmw_gb_surface_define_internal(dev, &req_ext, rep, file_priv);
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}
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/**
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* vmw_gb_surface_reference_ioctl - Ioctl function implementing
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* the user surface reference functionality.
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* the user surface reference functionality.
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*
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* @dev: Pointer to a struct drm_device.
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* @data: Pointer to data copied from / to user-space.
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* @file_priv: Pointer to a drm file private structure.
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* @dev: Pointer to a struct drm_device.
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* @data: Pointer to data copied from / to user-space.
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* @file_priv: Pointer to a drm file private structure.
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*/
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int vmw_gb_surface_reference_ioctl(struct drm_device *dev, void *data,
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struct drm_file *file_priv)
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{
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struct vmw_private *dev_priv = vmw_priv(dev);
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union drm_vmw_gb_surface_reference_arg *arg =
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(union drm_vmw_gb_surface_reference_arg *)data;
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struct drm_vmw_surface_arg *req = &arg->req;
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struct drm_vmw_gb_surface_ref_rep *rep = &arg->rep;
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struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile;
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struct vmw_surface *srf;
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struct vmw_user_surface *user_srf;
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struct ttm_base_object *base;
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uint32_t backup_handle;
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int ret = -EINVAL;
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struct drm_vmw_gb_surface_ref_ext_rep rep_ext;
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int ret;
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ret = vmw_gb_surface_reference_internal(dev, req, &rep_ext, file_priv);
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ret = vmw_surface_handle_reference(dev_priv, file_priv, req->sid,
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req->handle_type, &base);
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if (unlikely(ret != 0))
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return ret;
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user_srf = container_of(base, struct vmw_user_surface, prime.base);
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srf = &user_srf->srf;
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if (!srf->res.backup) {
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DRM_ERROR("Shared GB surface is missing a backup buffer.\n");
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goto out_bad_resource;
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}
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mutex_lock(&dev_priv->cmdbuf_mutex); /* Protect res->backup */
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ret = vmw_user_bo_reference(tfile, srf->res.backup, &backup_handle);
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mutex_unlock(&dev_priv->cmdbuf_mutex);
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if (unlikely(ret != 0)) {
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DRM_ERROR("Could not add a reference to a GB surface "
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"backup buffer.\n");
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(void) ttm_ref_object_base_unref(tfile, base->hash.key,
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TTM_REF_USAGE);
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goto out_bad_resource;
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}
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rep->creq.svga3d_flags = (uint32_t)srf->flags;
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rep->creq.format = srf->format;
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rep->creq.mip_levels = srf->mip_levels[0];
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rep->creq.drm_surface_flags = 0;
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rep->creq.multisample_count = srf->multisample_count;
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rep->creq.autogen_filter = srf->autogen_filter;
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rep->creq.array_size = srf->array_size;
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rep->creq.buffer_handle = backup_handle;
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rep->creq.base_size = srf->base_size;
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rep->crep.handle = user_srf->prime.base.hash.key;
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rep->crep.backup_size = srf->res.backup_size;
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rep->crep.buffer_handle = backup_handle;
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rep->crep.buffer_map_handle =
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drm_vma_node_offset_addr(&srf->res.backup->base.vma_node);
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rep->crep.buffer_size = srf->res.backup->base.num_pages * PAGE_SIZE;
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out_bad_resource:
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ttm_base_object_unref(&base);
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rep->creq = rep_ext.creq.base;
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rep->crep = rep_ext.crep;
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return ret;
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}
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@@ -1493,6 +1368,8 @@ out_bad_resource:
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* @multisample_count:
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* @array_size: Surface array size.
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* @size: width, heigh, depth of the surface requested
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* @multisample_pattern: Multisampling pattern when msaa is supported
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* @quality_level: Precision settings
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* @user_srf_out: allocated user_srf. Set to NULL on failure.
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*
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* GB surfaces allocated by this function will not have a user mode handle, and
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@@ -1509,6 +1386,8 @@ int vmw_surface_gb_priv_define(struct drm_device *dev,
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uint32_t multisample_count,
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uint32_t array_size,
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struct drm_vmw_size size,
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SVGA3dMSPattern multisample_pattern,
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SVGA3dMSQualityLevel quality_level,
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struct vmw_surface **srf_out)
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{
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struct vmw_private *dev_priv = vmw_priv(dev);
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@@ -1519,7 +1398,7 @@ int vmw_surface_gb_priv_define(struct drm_device *dev,
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};
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struct vmw_surface *srf;
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int ret;
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u32 num_layers;
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u32 num_layers = 1;
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*srf_out = NULL;
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@@ -1594,15 +1473,13 @@ int vmw_surface_gb_priv_define(struct drm_device *dev,
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srf->autogen_filter = SVGA3D_TEX_FILTER_NONE;
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srf->array_size = array_size;
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srf->multisample_count = multisample_count;
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srf->multisample_pattern = SVGA3D_MS_PATTERN_NONE;
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srf->quality_level = SVGA3D_MS_QUALITY_NONE;
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srf->multisample_pattern = multisample_pattern;
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srf->quality_level = quality_level;
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if (array_size)
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num_layers = array_size;
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else if (svga3d_flags & SVGA3D_SURFACE_CUBEMAP)
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num_layers = SVGA3D_MAX_SURFACE_FACES;
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else
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num_layers = 1;
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srf->res.backup_size =
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svga3dsurface_get_serialized_size(srf->format,
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@@ -1633,3 +1510,262 @@ out_unlock:
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ttm_read_unlock(&dev_priv->reservation_sem);
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return ret;
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}
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/**
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* vmw_gb_surface_define_ext_ioctl - Ioctl function implementing
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* the user surface define functionality.
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*
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* @dev: Pointer to a struct drm_device.
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* @data: Pointer to data copied from / to user-space.
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* @file_priv: Pointer to a drm file private structure.
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*/
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int vmw_gb_surface_define_ext_ioctl(struct drm_device *dev, void *data,
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struct drm_file *file_priv)
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{
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union drm_vmw_gb_surface_create_ext_arg *arg =
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(union drm_vmw_gb_surface_create_ext_arg *)data;
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struct drm_vmw_gb_surface_create_ext_req *req = &arg->req;
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struct drm_vmw_gb_surface_create_rep *rep = &arg->rep;
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return vmw_gb_surface_define_internal(dev, req, rep, file_priv);
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}
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/**
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* vmw_gb_surface_reference_ext_ioctl - Ioctl function implementing
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* the user surface reference functionality.
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*
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* @dev: Pointer to a struct drm_device.
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* @data: Pointer to data copied from / to user-space.
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* @file_priv: Pointer to a drm file private structure.
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*/
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int vmw_gb_surface_reference_ext_ioctl(struct drm_device *dev, void *data,
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struct drm_file *file_priv)
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{
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union drm_vmw_gb_surface_reference_ext_arg *arg =
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(union drm_vmw_gb_surface_reference_ext_arg *)data;
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struct drm_vmw_surface_arg *req = &arg->req;
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struct drm_vmw_gb_surface_ref_ext_rep *rep = &arg->rep;
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return vmw_gb_surface_reference_internal(dev, req, rep, file_priv);
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}
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/**
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* vmw_gb_surface_define_internal - Ioctl function implementing
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* the user surface define functionality.
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*
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* @dev: Pointer to a struct drm_device.
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* @req: Request argument from user-space.
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* @rep: Response argument to user-space.
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* @file_priv: Pointer to a drm file private structure.
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*/
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static int
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vmw_gb_surface_define_internal(struct drm_device *dev,
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struct drm_vmw_gb_surface_create_ext_req *req,
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struct drm_vmw_gb_surface_create_rep *rep,
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struct drm_file *file_priv)
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{
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struct vmw_private *dev_priv = vmw_priv(dev);
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struct vmw_user_surface *user_srf;
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struct vmw_surface *srf;
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struct vmw_resource *res;
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struct vmw_resource *tmp;
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struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile;
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int ret;
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uint32_t size;
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uint32_t backup_handle = 0;
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SVGA3dSurfaceAllFlags svga3d_flags_64 =
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SVGA3D_FLAGS_64(req->svga3d_flags_upper_32_bits,
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req->base.svga3d_flags);
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if (!dev_priv->has_sm4_1) {
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/*
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* If SM4_1 is not support then cannot send 64-bit flag to
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* device.
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*/
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if (req->svga3d_flags_upper_32_bits != 0)
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return -EINVAL;
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if (req->base.multisample_count != 0)
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return -EINVAL;
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if (req->multisample_pattern != SVGA3D_MS_PATTERN_NONE)
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return -EINVAL;
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if (req->quality_level != SVGA3D_MS_QUALITY_NONE)
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return -EINVAL;
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}
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if (req->base.mip_levels > DRM_VMW_MAX_MIP_LEVELS)
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return -EINVAL;
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if (unlikely(vmw_user_surface_size == 0))
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vmw_user_surface_size = ttm_round_pot(sizeof(*user_srf)) +
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128;
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size = vmw_user_surface_size + 128;
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/* Define a surface based on the parameters. */
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ret = vmw_surface_gb_priv_define(dev,
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size,
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svga3d_flags_64,
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req->base.format,
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req->base.drm_surface_flags &
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drm_vmw_surface_flag_scanout,
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req->base.mip_levels,
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req->base.multisample_count,
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req->base.array_size,
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req->base.base_size,
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req->multisample_pattern,
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req->quality_level,
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&srf);
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if (unlikely(ret != 0))
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return ret;
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user_srf = container_of(srf, struct vmw_user_surface, srf);
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if (drm_is_primary_client(file_priv))
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user_srf->master = drm_master_get(file_priv->master);
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ret = ttm_read_lock(&dev_priv->reservation_sem, true);
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if (unlikely(ret != 0))
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return ret;
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|
||||
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;
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user