drm/vmwgfx: Break out surface and context management to separate files
Add a resource-private header for common resource definitions Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Reviewed-by: Brian Paul <brianp@vmware.com> Reviewed-by: Dmitry Torokhov <dtor@vmware.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Thomas Hellstrom
Dave Airlie
parent
c0951b797e
commit
543831cfc9
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@ -5,6 +5,7 @@ vmwgfx-y := vmwgfx_execbuf.o vmwgfx_gmr.o vmwgfx_kms.o vmwgfx_drv.o \
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vmwgfx_fb.o vmwgfx_ioctl.o vmwgfx_resource.o vmwgfx_buffer.o \
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vmwgfx_fifo.o vmwgfx_irq.o vmwgfx_ldu.o vmwgfx_ttm_glue.o \
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vmwgfx_overlay.o vmwgfx_marker.o vmwgfx_gmrid_manager.o \
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vmwgfx_fence.o vmwgfx_dmabuf.o vmwgfx_scrn.o
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vmwgfx_fence.o vmwgfx_dmabuf.o vmwgfx_scrn.o vmwgfx_context.o \
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vmwgfx_surface.o
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obj-$(CONFIG_DRM_VMWGFX) := vmwgfx.o
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@ -0,0 +1,274 @@
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/**************************************************************************
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*
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* Copyright © 2009-2012 VMware, Inc., Palo Alto, CA., USA
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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* USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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#include "vmwgfx_drv.h"
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#include "vmwgfx_resource_priv.h"
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#include "ttm/ttm_placement.h"
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struct vmw_user_context {
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struct ttm_base_object base;
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struct vmw_resource res;
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};
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static void vmw_user_context_free(struct vmw_resource *res);
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static struct vmw_resource *
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vmw_user_context_base_to_res(struct ttm_base_object *base);
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static uint64_t vmw_user_context_size;
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static const struct vmw_user_resource_conv user_context_conv = {
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.object_type = VMW_RES_CONTEXT,
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.base_obj_to_res = vmw_user_context_base_to_res,
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.res_free = vmw_user_context_free
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};
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const struct vmw_user_resource_conv *user_context_converter =
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&user_context_conv;
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static const struct vmw_res_func vmw_legacy_context_func = {
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.res_type = vmw_res_context,
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.needs_backup = false,
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.may_evict = false,
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.type_name = "legacy contexts",
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.backup_placement = NULL,
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.create = NULL,
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.destroy = NULL,
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.bind = NULL,
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.unbind = NULL
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};
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/**
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* Context management:
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*/
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static void vmw_hw_context_destroy(struct vmw_resource *res)
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{
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struct vmw_private *dev_priv = res->dev_priv;
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struct {
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SVGA3dCmdHeader header;
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SVGA3dCmdDestroyContext body;
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} *cmd;
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vmw_execbuf_release_pinned_bo(dev_priv);
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cmd = vmw_fifo_reserve(dev_priv, sizeof(*cmd));
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if (unlikely(cmd == NULL)) {
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DRM_ERROR("Failed reserving FIFO space for surface "
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"destruction.\n");
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return;
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}
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cmd->header.id = cpu_to_le32(SVGA_3D_CMD_CONTEXT_DESTROY);
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cmd->header.size = cpu_to_le32(sizeof(cmd->body));
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cmd->body.cid = cpu_to_le32(res->id);
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vmw_fifo_commit(dev_priv, sizeof(*cmd));
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vmw_3d_resource_dec(dev_priv, false);
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}
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static int vmw_context_init(struct vmw_private *dev_priv,
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struct vmw_resource *res,
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void (*res_free) (struct vmw_resource *res))
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{
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int ret;
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struct {
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SVGA3dCmdHeader header;
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SVGA3dCmdDefineContext body;
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} *cmd;
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ret = vmw_resource_init(dev_priv, res, false,
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res_free, &vmw_legacy_context_func);
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if (unlikely(ret != 0)) {
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DRM_ERROR("Failed to allocate a resource id.\n");
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goto out_early;
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}
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if (unlikely(res->id >= SVGA3D_MAX_CONTEXT_IDS)) {
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DRM_ERROR("Out of hw context ids.\n");
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vmw_resource_unreference(&res);
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return -ENOMEM;
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}
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cmd = vmw_fifo_reserve(dev_priv, sizeof(*cmd));
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if (unlikely(cmd == NULL)) {
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DRM_ERROR("Fifo reserve failed.\n");
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vmw_resource_unreference(&res);
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return -ENOMEM;
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}
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cmd->header.id = cpu_to_le32(SVGA_3D_CMD_CONTEXT_DEFINE);
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cmd->header.size = cpu_to_le32(sizeof(cmd->body));
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cmd->body.cid = cpu_to_le32(res->id);
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vmw_fifo_commit(dev_priv, sizeof(*cmd));
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(void) vmw_3d_resource_inc(dev_priv, false);
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vmw_resource_activate(res, vmw_hw_context_destroy);
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return 0;
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out_early:
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if (res_free == NULL)
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kfree(res);
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else
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res_free(res);
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return ret;
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}
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struct vmw_resource *vmw_context_alloc(struct vmw_private *dev_priv)
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{
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struct vmw_resource *res = kmalloc(sizeof(*res), GFP_KERNEL);
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int ret;
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if (unlikely(res == NULL))
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return NULL;
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ret = vmw_context_init(dev_priv, res, NULL);
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return (ret == 0) ? res : NULL;
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}
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/**
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* User-space context management:
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*/
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static struct vmw_resource *
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vmw_user_context_base_to_res(struct ttm_base_object *base)
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{
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return &(container_of(base, struct vmw_user_context, base)->res);
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}
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static void vmw_user_context_free(struct vmw_resource *res)
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{
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struct vmw_user_context *ctx =
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container_of(res, struct vmw_user_context, res);
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struct vmw_private *dev_priv = res->dev_priv;
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ttm_base_object_kfree(ctx, base);
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ttm_mem_global_free(vmw_mem_glob(dev_priv),
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vmw_user_context_size);
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}
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/**
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* This function is called when user space has no more references on the
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* base object. It releases the base-object's reference on the resource object.
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*/
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static void vmw_user_context_base_release(struct ttm_base_object **p_base)
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{
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struct ttm_base_object *base = *p_base;
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struct vmw_user_context *ctx =
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container_of(base, struct vmw_user_context, base);
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struct vmw_resource *res = &ctx->res;
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*p_base = NULL;
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vmw_resource_unreference(&res);
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}
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int vmw_context_destroy_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 drm_vmw_context_arg *arg = (struct drm_vmw_context_arg *)data;
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struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile;
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return ttm_ref_object_base_unref(tfile, arg->cid, TTM_REF_USAGE);
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}
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int vmw_context_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_context *ctx;
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struct vmw_resource *res;
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struct vmw_resource *tmp;
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struct drm_vmw_context_arg *arg = (struct drm_vmw_context_arg *)data;
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struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile;
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struct vmw_master *vmaster = vmw_master(file_priv->master);
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int ret;
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/*
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* Approximate idr memory usage with 128 bytes. It will be limited
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* by maximum number_of contexts anyway.
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*/
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if (unlikely(vmw_user_context_size == 0))
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vmw_user_context_size = ttm_round_pot(sizeof(*ctx)) + 128;
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ret = ttm_read_lock(&vmaster->lock, true);
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if (unlikely(ret != 0))
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return ret;
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ret = ttm_mem_global_alloc(vmw_mem_glob(dev_priv),
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vmw_user_context_size,
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false, true);
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if (unlikely(ret != 0)) {
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if (ret != -ERESTARTSYS)
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DRM_ERROR("Out of graphics memory for context"
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" creation.\n");
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goto out_unlock;
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}
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ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
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if (unlikely(ctx == NULL)) {
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ttm_mem_global_free(vmw_mem_glob(dev_priv),
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vmw_user_context_size);
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ret = -ENOMEM;
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goto out_unlock;
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}
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res = &ctx->res;
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ctx->base.shareable = false;
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ctx->base.tfile = NULL;
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/*
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* From here on, the destructor takes over resource freeing.
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*/
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ret = vmw_context_init(dev_priv, res, vmw_user_context_free);
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if (unlikely(ret != 0))
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goto out_unlock;
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tmp = vmw_resource_reference(&ctx->res);
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ret = ttm_base_object_init(tfile, &ctx->base, false, VMW_RES_CONTEXT,
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&vmw_user_context_base_release, NULL);
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if (unlikely(ret != 0)) {
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vmw_resource_unreference(&tmp);
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goto out_err;
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}
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arg->cid = ctx->base.hash.key;
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out_err:
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vmw_resource_unreference(&res);
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out_unlock:
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ttm_read_unlock(&vmaster->lock);
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return ret;
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}
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File diff suppressed because it is too large
Load Diff
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@ -0,0 +1,84 @@
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/**************************************************************************
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*
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* Copyright © 2012 VMware, Inc., Palo Alto, CA., USA
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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* USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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#ifndef _VMWGFX_RESOURCE_PRIV_H_
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#define _VMWGFX_RESOURCE_PRIV_H_
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#include "vmwgfx_drv.h"
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/**
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* struct vmw_user_resource_conv - Identify a derived user-exported resource
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* type and provide a function to convert its ttm_base_object pointer to
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* a struct vmw_resource
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*/
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struct vmw_user_resource_conv {
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enum ttm_object_type object_type;
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struct vmw_resource *(*base_obj_to_res)(struct ttm_base_object *base);
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void (*res_free) (struct vmw_resource *res);
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};
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/**
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* struct vmw_res_func - members and functions common for a resource type
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*
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* @res_type: Enum that identifies the lru list to use for eviction.
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* @needs_backup: Whether the resource is guest-backed and needs
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* persistent buffer storage.
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* @type_name: String that identifies the resource type.
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* @backup_placement: TTM placement for backup buffers.
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* @may_evict Whether the resource may be evicted.
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* @create: Create a hardware resource.
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* @destroy: Destroy a hardware resource.
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* @bind: Bind a hardware resource to persistent buffer storage.
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* @unbind: Unbind a hardware resource from persistent
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* buffer storage.
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*/
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struct vmw_res_func {
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enum vmw_res_type res_type;
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bool needs_backup;
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const char *type_name;
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struct ttm_placement *backup_placement;
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bool may_evict;
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int (*create) (struct vmw_resource *res);
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int (*destroy) (struct vmw_resource *res);
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int (*bind) (struct vmw_resource *res,
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struct ttm_validate_buffer *val_buf);
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int (*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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};
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int vmw_resource_alloc_id(struct vmw_resource *res);
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void vmw_resource_release_id(struct vmw_resource *res);
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int vmw_resource_init(struct vmw_private *dev_priv, struct vmw_resource *res,
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bool delay_id,
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void (*res_free) (struct vmw_resource *res),
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const struct vmw_res_func *func);
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void vmw_resource_activate(struct vmw_resource *res,
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void (*hw_destroy) (struct vmw_resource *));
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#endif
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@ -0,0 +1,968 @@
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/**************************************************************************
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*
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* Copyright © 2009-2012 VMware, Inc., Palo Alto, CA., USA
|
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* All Rights Reserved.
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining a
|
||||
* copy of this software and associated documentation files (the
|
||||
* "Software"), to deal in the Software without restriction, including
|
||||
* without limitation the rights to use, copy, modify, merge, publish,
|
||||
* distribute, sub license, and/or sell copies of the Software, and to
|
||||
* permit persons to whom the Software is furnished to do so, subject to
|
||||
* the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice (including the
|
||||
* next paragraph) shall be included in all copies or substantial portions
|
||||
* of the Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
|
||||
* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
|
||||
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
|
||||
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
|
||||
* USE OR OTHER DEALINGS IN THE SOFTWARE.
|
||||
*
|
||||
**************************************************************************/
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||||
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#include "vmwgfx_drv.h"
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#include "vmwgfx_resource_priv.h"
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#include <ttm/ttm_placement.h>
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/**
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* struct vmw_user_surface - User-space visible surface resource
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*
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* @base: The TTM base object handling user-space visibility.
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* @srf: The surface metadata.
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* @size: TTM accounting size for the surface.
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*/
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struct vmw_user_surface {
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struct ttm_base_object base;
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struct vmw_surface srf;
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uint32_t size;
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uint32_t backup_handle;
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};
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/**
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* struct vmw_surface_offset - Backing store mip level offset info
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*
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* @face: Surface face.
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* @mip: Mip level.
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* @bo_offset: Offset into backing store of this mip level.
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*
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*/
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struct vmw_surface_offset {
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uint32_t face;
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uint32_t mip;
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uint32_t bo_offset;
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};
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static void vmw_user_surface_free(struct vmw_resource *res);
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static struct vmw_resource *
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vmw_user_surface_base_to_res(struct ttm_base_object *base);
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static int vmw_legacy_srf_bind(struct vmw_resource *res,
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struct ttm_validate_buffer *val_buf);
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static int vmw_legacy_srf_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_legacy_srf_create(struct vmw_resource *res);
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static int vmw_legacy_srf_destroy(struct vmw_resource *res);
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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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.base_obj_to_res = vmw_user_surface_base_to_res,
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.res_free = vmw_user_surface_free
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};
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const struct vmw_user_resource_conv *user_surface_converter =
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&user_surface_conv;
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|
||||
|
||||
static uint64_t vmw_user_surface_size;
|
||||
|
||||
static const struct vmw_res_func vmw_legacy_surface_func = {
|
||||
.res_type = vmw_res_surface,
|
||||
.needs_backup = false,
|
||||
.may_evict = true,
|
||||
.type_name = "legacy surfaces",
|
||||
.backup_placement = &vmw_srf_placement,
|
||||
.create = &vmw_legacy_srf_create,
|
||||
.destroy = &vmw_legacy_srf_destroy,
|
||||
.bind = &vmw_legacy_srf_bind,
|
||||
.unbind = &vmw_legacy_srf_unbind
|
||||
};
|
||||
|
||||
/**
|
||||
* struct vmw_bpp - Bits per pixel info for surface storage size computation.
|
||||
*
|
||||
* @bpp: Bits per pixel.
|
||||
* @s_bpp: Stride bits per pixel. See definition below.
|
||||
*
|
||||
*/
|
||||
struct vmw_bpp {
|
||||
uint8_t bpp;
|
||||
uint8_t s_bpp;
|
||||
};
|
||||
|
||||
/*
|
||||
* Size table for the supported SVGA3D surface formats. It consists of
|
||||
* two values. The bpp value and the s_bpp value which is short for
|
||||
* "stride bits per pixel" The values are given in such a way that the
|
||||
* minimum stride for the image is calculated using
|
||||
*
|
||||
* min_stride = w*s_bpp
|
||||
*
|
||||
* and the total memory requirement for the image is
|
||||
*
|
||||
* h*min_stride*bpp/s_bpp
|
||||
*
|
||||
*/
|
||||
static const struct vmw_bpp vmw_sf_bpp[] = {
|
||||
[SVGA3D_FORMAT_INVALID] = {0, 0},
|
||||
[SVGA3D_X8R8G8B8] = {32, 32},
|
||||
[SVGA3D_A8R8G8B8] = {32, 32},
|
||||
[SVGA3D_R5G6B5] = {16, 16},
|
||||
[SVGA3D_X1R5G5B5] = {16, 16},
|
||||
[SVGA3D_A1R5G5B5] = {16, 16},
|
||||
[SVGA3D_A4R4G4B4] = {16, 16},
|
||||
[SVGA3D_Z_D32] = {32, 32},
|
||||
[SVGA3D_Z_D16] = {16, 16},
|
||||
[SVGA3D_Z_D24S8] = {32, 32},
|
||||
[SVGA3D_Z_D15S1] = {16, 16},
|
||||
[SVGA3D_LUMINANCE8] = {8, 8},
|
||||
[SVGA3D_LUMINANCE4_ALPHA4] = {8, 8},
|
||||
[SVGA3D_LUMINANCE16] = {16, 16},
|
||||
[SVGA3D_LUMINANCE8_ALPHA8] = {16, 16},
|
||||
[SVGA3D_DXT1] = {4, 16},
|
||||
[SVGA3D_DXT2] = {8, 32},
|
||||
[SVGA3D_DXT3] = {8, 32},
|
||||
[SVGA3D_DXT4] = {8, 32},
|
||||
[SVGA3D_DXT5] = {8, 32},
|
||||
[SVGA3D_BUMPU8V8] = {16, 16},
|
||||
[SVGA3D_BUMPL6V5U5] = {16, 16},
|
||||
[SVGA3D_BUMPX8L8V8U8] = {32, 32},
|
||||
[SVGA3D_ARGB_S10E5] = {16, 16},
|
||||
[SVGA3D_ARGB_S23E8] = {32, 32},
|
||||
[SVGA3D_A2R10G10B10] = {32, 32},
|
||||
[SVGA3D_V8U8] = {16, 16},
|
||||
[SVGA3D_Q8W8V8U8] = {32, 32},
|
||||
[SVGA3D_CxV8U8] = {16, 16},
|
||||
[SVGA3D_X8L8V8U8] = {32, 32},
|
||||
[SVGA3D_A2W10V10U10] = {32, 32},
|
||||
[SVGA3D_ALPHA8] = {8, 8},
|
||||
[SVGA3D_R_S10E5] = {16, 16},
|
||||
[SVGA3D_R_S23E8] = {32, 32},
|
||||
[SVGA3D_RG_S10E5] = {16, 16},
|
||||
[SVGA3D_RG_S23E8] = {32, 32},
|
||||
[SVGA3D_BUFFER] = {8, 8},
|
||||
[SVGA3D_Z_D24X8] = {32, 32},
|
||||
[SVGA3D_V16U16] = {32, 32},
|
||||
[SVGA3D_G16R16] = {32, 32},
|
||||
[SVGA3D_A16B16G16R16] = {64, 64},
|
||||
[SVGA3D_UYVY] = {12, 12},
|
||||
[SVGA3D_YUY2] = {12, 12},
|
||||
[SVGA3D_NV12] = {12, 8},
|
||||
[SVGA3D_AYUV] = {32, 32},
|
||||
[SVGA3D_BC4_UNORM] = {4, 16},
|
||||
[SVGA3D_BC5_UNORM] = {8, 32},
|
||||
[SVGA3D_Z_DF16] = {16, 16},
|
||||
[SVGA3D_Z_DF24] = {24, 24},
|
||||
[SVGA3D_Z_D24S8_INT] = {32, 32}
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* struct vmw_surface_dma - SVGA3D DMA command
|
||||
*/
|
||||
struct vmw_surface_dma {
|
||||
SVGA3dCmdHeader header;
|
||||
SVGA3dCmdSurfaceDMA body;
|
||||
SVGA3dCopyBox cb;
|
||||
SVGA3dCmdSurfaceDMASuffix suffix;
|
||||
};
|
||||
|
||||
/**
|
||||
* struct vmw_surface_define - SVGA3D Surface Define command
|
||||
*/
|
||||
struct vmw_surface_define {
|
||||
SVGA3dCmdHeader header;
|
||||
SVGA3dCmdDefineSurface body;
|
||||
};
|
||||
|
||||
/**
|
||||
* struct vmw_surface_destroy - SVGA3D Surface Destroy command
|
||||
*/
|
||||
struct vmw_surface_destroy {
|
||||
SVGA3dCmdHeader header;
|
||||
SVGA3dCmdDestroySurface body;
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* vmw_surface_dma_size - Compute fifo size for a dma command.
|
||||
*
|
||||
* @srf: Pointer to a struct vmw_surface
|
||||
*
|
||||
* Computes the required size for a surface dma command for backup or
|
||||
* restoration of the surface represented by @srf.
|
||||
*/
|
||||
static inline uint32_t vmw_surface_dma_size(const struct vmw_surface *srf)
|
||||
{
|
||||
return srf->num_sizes * sizeof(struct vmw_surface_dma);
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* vmw_surface_define_size - Compute fifo size for a surface define command.
|
||||
*
|
||||
* @srf: Pointer to a struct vmw_surface
|
||||
*
|
||||
* Computes the required size for a surface define command for the definition
|
||||
* of the surface represented by @srf.
|
||||
*/
|
||||
static inline uint32_t vmw_surface_define_size(const struct vmw_surface *srf)
|
||||
{
|
||||
return sizeof(struct vmw_surface_define) + srf->num_sizes *
|
||||
sizeof(SVGA3dSize);
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* vmw_surface_destroy_size - Compute fifo size for a surface destroy command.
|
||||
*
|
||||
* Computes the required size for a surface destroy command for the destruction
|
||||
* of a hw surface.
|
||||
*/
|
||||
static inline uint32_t vmw_surface_destroy_size(void)
|
||||
{
|
||||
return sizeof(struct vmw_surface_destroy);
|
||||
}
|
||||
|
||||
/**
|
||||
* vmw_surface_destroy_encode - Encode a surface_destroy command.
|
||||
*
|
||||
* @id: The surface id
|
||||
* @cmd_space: Pointer to memory area in which the commands should be encoded.
|
||||
*/
|
||||
static void vmw_surface_destroy_encode(uint32_t id,
|
||||
void *cmd_space)
|
||||
{
|
||||
struct vmw_surface_destroy *cmd = (struct vmw_surface_destroy *)
|
||||
cmd_space;
|
||||
|
||||
cmd->header.id = SVGA_3D_CMD_SURFACE_DESTROY;
|
||||
cmd->header.size = sizeof(cmd->body);
|
||||
cmd->body.sid = id;
|
||||
}
|
||||
|
||||
/**
|
||||
* vmw_surface_define_encode - Encode a surface_define command.
|
||||
*
|
||||
* @srf: Pointer to a struct vmw_surface object.
|
||||
* @cmd_space: Pointer to memory area in which the commands should be encoded.
|
||||
*/
|
||||
static void vmw_surface_define_encode(const struct vmw_surface *srf,
|
||||
void *cmd_space)
|
||||
{
|
||||
struct vmw_surface_define *cmd = (struct vmw_surface_define *)
|
||||
cmd_space;
|
||||
struct drm_vmw_size *src_size;
|
||||
SVGA3dSize *cmd_size;
|
||||
uint32_t cmd_len;
|
||||
int i;
|
||||
|
||||
cmd_len = sizeof(cmd->body) + srf->num_sizes * sizeof(SVGA3dSize);
|
||||
|
||||
cmd->header.id = SVGA_3D_CMD_SURFACE_DEFINE;
|
||||
cmd->header.size = cmd_len;
|
||||
cmd->body.sid = srf->res.id;
|
||||
cmd->body.surfaceFlags = srf->flags;
|
||||
cmd->body.format = cpu_to_le32(srf->format);
|
||||
for (i = 0; i < DRM_VMW_MAX_SURFACE_FACES; ++i)
|
||||
cmd->body.face[i].numMipLevels = srf->mip_levels[i];
|
||||
|
||||
cmd += 1;
|
||||
cmd_size = (SVGA3dSize *) cmd;
|
||||
src_size = srf->sizes;
|
||||
|
||||
for (i = 0; i < srf->num_sizes; ++i, cmd_size++, src_size++) {
|
||||
cmd_size->width = src_size->width;
|
||||
cmd_size->height = src_size->height;
|
||||
cmd_size->depth = src_size->depth;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* vmw_surface_dma_encode - Encode a surface_dma command.
|
||||
*
|
||||
* @srf: Pointer to a struct vmw_surface object.
|
||||
* @cmd_space: Pointer to memory area in which the commands should be encoded.
|
||||
* @ptr: Pointer to an SVGAGuestPtr indicating where the surface contents
|
||||
* should be placed or read from.
|
||||
* @to_surface: Boolean whether to DMA to the surface or from the surface.
|
||||
*/
|
||||
static void vmw_surface_dma_encode(struct vmw_surface *srf,
|
||||
void *cmd_space,
|
||||
const SVGAGuestPtr *ptr,
|
||||
bool to_surface)
|
||||
{
|
||||
uint32_t i;
|
||||
uint32_t bpp = vmw_sf_bpp[srf->format].bpp;
|
||||
uint32_t stride_bpp = vmw_sf_bpp[srf->format].s_bpp;
|
||||
struct vmw_surface_dma *cmd = (struct vmw_surface_dma *)cmd_space;
|
||||
|
||||
for (i = 0; i < srf->num_sizes; ++i) {
|
||||
SVGA3dCmdHeader *header = &cmd->header;
|
||||
SVGA3dCmdSurfaceDMA *body = &cmd->body;
|
||||
SVGA3dCopyBox *cb = &cmd->cb;
|
||||
SVGA3dCmdSurfaceDMASuffix *suffix = &cmd->suffix;
|
||||
const struct vmw_surface_offset *cur_offset = &srf->offsets[i];
|
||||
const struct drm_vmw_size *cur_size = &srf->sizes[i];
|
||||
|
||||
header->id = SVGA_3D_CMD_SURFACE_DMA;
|
||||
header->size = sizeof(*body) + sizeof(*cb) + sizeof(*suffix);
|
||||
|
||||
body->guest.ptr = *ptr;
|
||||
body->guest.ptr.offset += cur_offset->bo_offset;
|
||||
body->guest.pitch = (cur_size->width * stride_bpp + 7) >> 3;
|
||||
body->host.sid = srf->res.id;
|
||||
body->host.face = cur_offset->face;
|
||||
body->host.mipmap = cur_offset->mip;
|
||||
body->transfer = ((to_surface) ? SVGA3D_WRITE_HOST_VRAM :
|
||||
SVGA3D_READ_HOST_VRAM);
|
||||
cb->x = 0;
|
||||
cb->y = 0;
|
||||
cb->z = 0;
|
||||
cb->srcx = 0;
|
||||
cb->srcy = 0;
|
||||
cb->srcz = 0;
|
||||
cb->w = cur_size->width;
|
||||
cb->h = cur_size->height;
|
||||
cb->d = cur_size->depth;
|
||||
|
||||
suffix->suffixSize = sizeof(*suffix);
|
||||
suffix->maximumOffset = body->guest.pitch*cur_size->height*
|
||||
cur_size->depth*bpp / stride_bpp;
|
||||
suffix->flags.discard = 0;
|
||||
suffix->flags.unsynchronized = 0;
|
||||
suffix->flags.reserved = 0;
|
||||
++cmd;
|
||||
}
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* vmw_hw_surface_destroy - destroy a Device surface
|
||||
*
|
||||
* @res: Pointer to a struct vmw_resource embedded in a struct
|
||||
* vmw_surface.
|
||||
*
|
||||
* Destroys a the device surface associated with a struct vmw_surface if
|
||||
* any, and adjusts accounting and resource count accordingly.
|
||||
*/
|
||||
static void vmw_hw_surface_destroy(struct vmw_resource *res)
|
||||
{
|
||||
|
||||
struct vmw_private *dev_priv = res->dev_priv;
|
||||
struct vmw_surface *srf;
|
||||
void *cmd;
|
||||
|
||||
if (res->id != -1) {
|
||||
|
||||
cmd = vmw_fifo_reserve(dev_priv, vmw_surface_destroy_size());
|
||||
if (unlikely(cmd == NULL)) {
|
||||
DRM_ERROR("Failed reserving FIFO space for surface "
|
||||
"destruction.\n");
|
||||
return;
|
||||
}
|
||||
|
||||
vmw_surface_destroy_encode(res->id, cmd);
|
||||
vmw_fifo_commit(dev_priv, vmw_surface_destroy_size());
|
||||
|
||||
/*
|
||||
* used_memory_size_atomic, or separate lock
|
||||
* to avoid taking dev_priv::cmdbuf_mutex in
|
||||
* the destroy path.
|
||||
*/
|
||||
|
||||
mutex_lock(&dev_priv->cmdbuf_mutex);
|
||||
srf = vmw_res_to_srf(res);
|
||||
dev_priv->used_memory_size -= res->backup_size;
|
||||
mutex_unlock(&dev_priv->cmdbuf_mutex);
|
||||
}
|
||||
vmw_3d_resource_dec(dev_priv, false);
|
||||
}
|
||||
|
||||
/**
|
||||
* vmw_legacy_srf_create - Create a device surface as part of the
|
||||
* resource validation process.
|
||||
*
|
||||
* @res: Pointer to a struct vmw_surface.
|
||||
*
|
||||
* If the surface doesn't have a hw id.
|
||||
*
|
||||
* Returns -EBUSY if there wasn't sufficient device resources to
|
||||
* complete the validation. Retry after freeing up resources.
|
||||
*
|
||||
* May return other errors if the kernel is out of guest resources.
|
||||
*/
|
||||
static int vmw_legacy_srf_create(struct vmw_resource *res)
|
||||
{
|
||||
struct vmw_private *dev_priv = res->dev_priv;
|
||||
struct vmw_surface *srf;
|
||||
uint32_t submit_size;
|
||||
uint8_t *cmd;
|
||||
int ret;
|
||||
|
||||
if (likely(res->id != -1))
|
||||
return 0;
|
||||
|
||||
srf = vmw_res_to_srf(res);
|
||||
if (unlikely(dev_priv->used_memory_size + res->backup_size >=
|
||||
dev_priv->memory_size))
|
||||
return -EBUSY;
|
||||
|
||||
/*
|
||||
* Alloc id for the resource.
|
||||
*/
|
||||
|
||||
ret = vmw_resource_alloc_id(res);
|
||||
if (unlikely(ret != 0)) {
|
||||
DRM_ERROR("Failed to allocate a surface id.\n");
|
||||
goto out_no_id;
|
||||
}
|
||||
|
||||
if (unlikely(res->id >= SVGA3D_MAX_SURFACE_IDS)) {
|
||||
ret = -EBUSY;
|
||||
goto out_no_fifo;
|
||||
}
|
||||
|
||||
/*
|
||||
* Encode surface define- commands.
|
||||
*/
|
||||
|
||||
submit_size = vmw_surface_define_size(srf);
|
||||
cmd = vmw_fifo_reserve(dev_priv, submit_size);
|
||||
if (unlikely(cmd == NULL)) {
|
||||
DRM_ERROR("Failed reserving FIFO space for surface "
|
||||
"creation.\n");
|
||||
ret = -ENOMEM;
|
||||
goto out_no_fifo;
|
||||
}
|
||||
|
||||
vmw_surface_define_encode(srf, cmd);
|
||||
vmw_fifo_commit(dev_priv, submit_size);
|
||||
/*
|
||||
* Surface memory usage accounting.
|
||||
*/
|
||||
|
||||
dev_priv->used_memory_size += res->backup_size;
|
||||
return 0;
|
||||
|
||||
out_no_fifo:
|
||||
vmw_resource_release_id(res);
|
||||
out_no_id:
|
||||
return ret;
|
||||
}
|
||||
|
||||
/**
|
||||
* vmw_legacy_srf_dma - Copy backup data to or from a legacy surface.
|
||||
*
|
||||
* @res: Pointer to a struct vmw_res embedded in a struct
|
||||
* vmw_surface.
|
||||
* @val_buf: Pointer to a struct ttm_validate_buffer containing
|
||||
* information about the backup buffer.
|
||||
* @bind: Boolean wether to DMA to the surface.
|
||||
*
|
||||
* Transfer backup data to or from a legacy surface as part of the
|
||||
* validation process.
|
||||
* May return other errors if the kernel is out of guest resources.
|
||||
* The backup buffer will be fenced or idle upon successful completion,
|
||||
* and if the surface needs persistent backup storage, the backup buffer
|
||||
* will also be returned reserved iff @bind is true.
|
||||
*/
|
||||
static int vmw_legacy_srf_dma(struct vmw_resource *res,
|
||||
struct ttm_validate_buffer *val_buf,
|
||||
bool bind)
|
||||
{
|
||||
SVGAGuestPtr ptr;
|
||||
struct vmw_fence_obj *fence;
|
||||
uint32_t submit_size;
|
||||
struct vmw_surface *srf = vmw_res_to_srf(res);
|
||||
uint8_t *cmd;
|
||||
struct vmw_private *dev_priv = res->dev_priv;
|
||||
|
||||
BUG_ON(val_buf->bo == NULL);
|
||||
|
||||
submit_size = vmw_surface_dma_size(srf);
|
||||
cmd = vmw_fifo_reserve(dev_priv, submit_size);
|
||||
if (unlikely(cmd == NULL)) {
|
||||
DRM_ERROR("Failed reserving FIFO space for surface "
|
||||
"DMA.\n");
|
||||
return -ENOMEM;
|
||||
}
|
||||
vmw_bo_get_guest_ptr(val_buf->bo, &ptr);
|
||||
vmw_surface_dma_encode(srf, cmd, &ptr, bind);
|
||||
|
||||
vmw_fifo_commit(dev_priv, submit_size);
|
||||
|
||||
/*
|
||||
* Create a fence object and fence the backup buffer.
|
||||
*/
|
||||
|
||||
(void) vmw_execbuf_fence_commands(NULL, dev_priv,
|
||||
&fence, NULL);
|
||||
|
||||
vmw_fence_single_bo(val_buf->bo, fence);
|
||||
|
||||
if (likely(fence != NULL))
|
||||
vmw_fence_obj_unreference(&fence);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/**
|
||||
* vmw_legacy_srf_bind - Perform a legacy surface bind as part of the
|
||||
* surface validation process.
|
||||
*
|
||||
* @res: Pointer to a struct vmw_res embedded in a struct
|
||||
* vmw_surface.
|
||||
* @val_buf: Pointer to a struct ttm_validate_buffer containing
|
||||
* information about the backup buffer.
|
||||
*
|
||||
* This function will copy backup data to the surface if the
|
||||
* backup buffer is dirty.
|
||||
*/
|
||||
static int vmw_legacy_srf_bind(struct vmw_resource *res,
|
||||
struct ttm_validate_buffer *val_buf)
|
||||
{
|
||||
if (!res->backup_dirty)
|
||||
return 0;
|
||||
|
||||
return vmw_legacy_srf_dma(res, val_buf, true);
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* vmw_legacy_srf_unbind - Perform a legacy surface unbind as part of the
|
||||
* surface eviction process.
|
||||
*
|
||||
* @res: Pointer to a struct vmw_res embedded in a struct
|
||||
* vmw_surface.
|
||||
* @val_buf: Pointer to a struct ttm_validate_buffer containing
|
||||
* information about the backup buffer.
|
||||
*
|
||||
* This function will copy backup data from the surface.
|
||||
*/
|
||||
static int vmw_legacy_srf_unbind(struct vmw_resource *res,
|
||||
bool readback,
|
||||
struct ttm_validate_buffer *val_buf)
|
||||
{
|
||||
if (unlikely(readback))
|
||||
return vmw_legacy_srf_dma(res, val_buf, false);
|
||||
return 0;
|
||||
}
|
||||
|
||||
/**
|
||||
* vmw_legacy_srf_destroy - Destroy a device surface as part of a
|
||||
* resource eviction process.
|
||||
*
|
||||
* @res: Pointer to a struct vmw_res embedded in a struct
|
||||
* vmw_surface.
|
||||
*/
|
||||
static int vmw_legacy_srf_destroy(struct vmw_resource *res)
|
||||
{
|
||||
struct vmw_private *dev_priv = res->dev_priv;
|
||||
uint32_t submit_size;
|
||||
uint8_t *cmd;
|
||||
|
||||
BUG_ON(res->id == -1);
|
||||
|
||||
/*
|
||||
* Encode the dma- and surface destroy commands.
|
||||
*/
|
||||
|
||||
submit_size = vmw_surface_destroy_size();
|
||||
cmd = vmw_fifo_reserve(dev_priv, submit_size);
|
||||
if (unlikely(cmd == NULL)) {
|
||||
DRM_ERROR("Failed reserving FIFO space for surface "
|
||||
"eviction.\n");
|
||||
return -ENOMEM;
|
||||
}
|
||||
|
||||
vmw_surface_destroy_encode(res->id, cmd);
|
||||
vmw_fifo_commit(dev_priv, submit_size);
|
||||
|
||||
/*
|
||||
* Surface memory usage accounting.
|
||||
*/
|
||||
|
||||
dev_priv->used_memory_size -= res->backup_size;
|
||||
|
||||
/*
|
||||
* Release the surface ID.
|
||||
*/
|
||||
|
||||
vmw_resource_release_id(res);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* vmw_surface_init - initialize a struct vmw_surface
|
||||
*
|
||||
* @dev_priv: Pointer to a device private struct.
|
||||
* @srf: Pointer to the struct vmw_surface to initialize.
|
||||
* @res_free: Pointer to a resource destructor used to free
|
||||
* the object.
|
||||
*/
|
||||
static int vmw_surface_init(struct vmw_private *dev_priv,
|
||||
struct vmw_surface *srf,
|
||||
void (*res_free) (struct vmw_resource *res))
|
||||
{
|
||||
int ret;
|
||||
struct vmw_resource *res = &srf->res;
|
||||
|
||||
BUG_ON(res_free == NULL);
|
||||
(void) vmw_3d_resource_inc(dev_priv, false);
|
||||
ret = vmw_resource_init(dev_priv, res, true, res_free,
|
||||
&vmw_legacy_surface_func);
|
||||
|
||||
if (unlikely(ret != 0)) {
|
||||
vmw_3d_resource_dec(dev_priv, false);
|
||||
res_free(res);
|
||||
return ret;
|
||||
}
|
||||
|
||||
/*
|
||||
* The surface won't be visible to hardware until a
|
||||
* surface validate.
|
||||
*/
|
||||
|
||||
vmw_resource_activate(res, vmw_hw_surface_destroy);
|
||||
return ret;
|
||||
}
|
||||
|
||||
/**
|
||||
* vmw_user_surface_base_to_res - TTM base object to resource converter for
|
||||
* user visible surfaces
|
||||
*
|
||||
* @base: Pointer to a TTM base object
|
||||
*
|
||||
* Returns the struct vmw_resource embedded in a struct vmw_surface
|
||||
* for the user-visible object identified by the TTM base object @base.
|
||||
*/
|
||||
static struct vmw_resource *
|
||||
vmw_user_surface_base_to_res(struct ttm_base_object *base)
|
||||
{
|
||||
return &(container_of(base, struct vmw_user_surface, base)->srf.res);
|
||||
}
|
||||
|
||||
/**
|
||||
* vmw_user_surface_free - User visible surface resource destructor
|
||||
*
|
||||
* @res: A struct vmw_resource embedded in a struct vmw_surface.
|
||||
*/
|
||||
static void vmw_user_surface_free(struct vmw_resource *res)
|
||||
{
|
||||
struct vmw_surface *srf = vmw_res_to_srf(res);
|
||||
struct vmw_user_surface *user_srf =
|
||||
container_of(srf, struct vmw_user_surface, srf);
|
||||
struct vmw_private *dev_priv = srf->res.dev_priv;
|
||||
uint32_t size = user_srf->size;
|
||||
|
||||
kfree(srf->offsets);
|
||||
kfree(srf->sizes);
|
||||
kfree(srf->snooper.image);
|
||||
ttm_base_object_kfree(user_srf, base);
|
||||
ttm_mem_global_free(vmw_mem_glob(dev_priv), size);
|
||||
}
|
||||
|
||||
/**
|
||||
* vmw_user_surface_free - User visible surface TTM base object destructor
|
||||
*
|
||||
* @p_base: Pointer to a pointer to a TTM base object
|
||||
* embedded in a struct vmw_user_surface.
|
||||
*
|
||||
* Drops the base object's reference on its resource, and the
|
||||
* pointer pointed to by *p_base is set to NULL.
|
||||
*/
|
||||
static void vmw_user_surface_base_release(struct ttm_base_object **p_base)
|
||||
{
|
||||
struct ttm_base_object *base = *p_base;
|
||||
struct vmw_user_surface *user_srf =
|
||||
container_of(base, struct vmw_user_surface, base);
|
||||
struct vmw_resource *res = &user_srf->srf.res;
|
||||
|
||||
*p_base = NULL;
|
||||
vmw_resource_unreference(&res);
|
||||
}
|
||||
|
||||
/**
|
||||
* vmw_user_surface_destroy_ioctl - Ioctl function implementing
|
||||
* the user surface destroy 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_surface_destroy_ioctl(struct drm_device *dev, void *data,
|
||||
struct drm_file *file_priv)
|
||||
{
|
||||
struct drm_vmw_surface_arg *arg = (struct drm_vmw_surface_arg *)data;
|
||||
struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile;
|
||||
|
||||
return ttm_ref_object_base_unref(tfile, arg->sid, TTM_REF_USAGE);
|
||||
}
|
||||
|
||||
/**
|
||||
* vmw_user_surface_define_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_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_surface_create_arg *arg =
|
||||
(union drm_vmw_surface_create_arg *)data;
|
||||
struct drm_vmw_surface_create_req *req = &arg->req;
|
||||
struct drm_vmw_surface_arg *rep = &arg->rep;
|
||||
struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile;
|
||||
struct drm_vmw_size __user *user_sizes;
|
||||
int ret;
|
||||
int i, j;
|
||||
uint32_t cur_bo_offset;
|
||||
struct drm_vmw_size *cur_size;
|
||||
struct vmw_surface_offset *cur_offset;
|
||||
uint32_t stride_bpp;
|
||||
uint32_t bpp;
|
||||
uint32_t num_sizes;
|
||||
uint32_t size;
|
||||
struct vmw_master *vmaster = vmw_master(file_priv->master);
|
||||
|
||||
if (unlikely(vmw_user_surface_size == 0))
|
||||
vmw_user_surface_size = ttm_round_pot(sizeof(*user_srf)) +
|
||||
128;
|
||||
|
||||
num_sizes = 0;
|
||||
for (i = 0; i < DRM_VMW_MAX_SURFACE_FACES; ++i)
|
||||
num_sizes += req->mip_levels[i];
|
||||
|
||||
if (num_sizes > DRM_VMW_MAX_SURFACE_FACES *
|
||||
DRM_VMW_MAX_MIP_LEVELS)
|
||||
return -EINVAL;
|
||||
|
||||
size = vmw_user_surface_size + 128 +
|
||||
ttm_round_pot(num_sizes * sizeof(struct drm_vmw_size)) +
|
||||
ttm_round_pot(num_sizes * sizeof(struct vmw_surface_offset));
|
||||
|
||||
|
||||
ret = ttm_read_lock(&vmaster->lock, true);
|
||||
if (unlikely(ret != 0))
|
||||
return ret;
|
||||
|
||||
ret = ttm_mem_global_alloc(vmw_mem_glob(dev_priv),
|
||||
size, false, true);
|
||||
if (unlikely(ret != 0)) {
|
||||
if (ret != -ERESTARTSYS)
|
||||
DRM_ERROR("Out of graphics memory for surface"
|
||||
" creation.\n");
|
||||
goto out_unlock;
|
||||
}
|
||||
|
||||
user_srf = kzalloc(sizeof(*user_srf), GFP_KERNEL);
|
||||
if (unlikely(user_srf == NULL)) {
|
||||
ret = -ENOMEM;
|
||||
goto out_no_user_srf;
|
||||
}
|
||||
|
||||
srf = &user_srf->srf;
|
||||
res = &srf->res;
|
||||
|
||||
srf->flags = req->flags;
|
||||
srf->format = req->format;
|
||||
srf->scanout = req->scanout;
|
||||
|
||||
memcpy(srf->mip_levels, req->mip_levels, sizeof(srf->mip_levels));
|
||||
srf->num_sizes = num_sizes;
|
||||
user_srf->size = size;
|
||||
|
||||
srf->sizes = kmalloc(srf->num_sizes * sizeof(*srf->sizes), GFP_KERNEL);
|
||||
if (unlikely(srf->sizes == NULL)) {
|
||||
ret = -ENOMEM;
|
||||
goto out_no_sizes;
|
||||
}
|
||||
srf->offsets = kmalloc(srf->num_sizes * sizeof(*srf->offsets),
|
||||
GFP_KERNEL);
|
||||
if (unlikely(srf->sizes == NULL)) {
|
||||
ret = -ENOMEM;
|
||||
goto out_no_offsets;
|
||||
}
|
||||
|
||||
user_sizes = (struct drm_vmw_size __user *)(unsigned long)
|
||||
req->size_addr;
|
||||
|
||||
ret = copy_from_user(srf->sizes, user_sizes,
|
||||
srf->num_sizes * sizeof(*srf->sizes));
|
||||
if (unlikely(ret != 0)) {
|
||||
ret = -EFAULT;
|
||||
goto out_no_copy;
|
||||
}
|
||||
|
||||
srf->base_size = *srf->sizes;
|
||||
srf->autogen_filter = SVGA3D_TEX_FILTER_NONE;
|
||||
srf->multisample_count = 1;
|
||||
|
||||
cur_bo_offset = 0;
|
||||
cur_offset = srf->offsets;
|
||||
cur_size = srf->sizes;
|
||||
|
||||
bpp = vmw_sf_bpp[srf->format].bpp;
|
||||
stride_bpp = vmw_sf_bpp[srf->format].s_bpp;
|
||||
|
||||
for (i = 0; i < DRM_VMW_MAX_SURFACE_FACES; ++i) {
|
||||
for (j = 0; j < srf->mip_levels[i]; ++j) {
|
||||
uint32_t stride =
|
||||
(cur_size->width * stride_bpp + 7) >> 3;
|
||||
|
||||
cur_offset->face = i;
|
||||
cur_offset->mip = j;
|
||||
cur_offset->bo_offset = cur_bo_offset;
|
||||
cur_bo_offset += stride * cur_size->height *
|
||||
cur_size->depth * bpp / stride_bpp;
|
||||
++cur_offset;
|
||||
++cur_size;
|
||||
}
|
||||
}
|
||||
res->backup_size = cur_bo_offset;
|
||||
|
||||
if (srf->scanout &&
|
||||
srf->num_sizes == 1 &&
|
||||
srf->sizes[0].width == 64 &&
|
||||
srf->sizes[0].height == 64 &&
|
||||
srf->format == SVGA3D_A8R8G8B8) {
|
||||
|
||||
srf->snooper.image = kmalloc(64 * 64 * 4, GFP_KERNEL);
|
||||
/* clear the image */
|
||||
if (srf->snooper.image) {
|
||||
memset(srf->snooper.image, 0x00, 64 * 64 * 4);
|
||||
} else {
|
||||
DRM_ERROR("Failed to allocate cursor_image\n");
|
||||
ret = -ENOMEM;
|
||||
goto out_no_copy;
|
||||
}
|
||||
} else {
|
||||
srf->snooper.image = NULL;
|
||||
}
|
||||
srf->snooper.crtc = NULL;
|
||||
|
||||
user_srf->base.shareable = false;
|
||||
user_srf->base.tfile = NULL;
|
||||
|
||||
/**
|
||||
* From this point, the generic resource management functions
|
||||
* destroy the object on failure.
|
||||
*/
|
||||
|
||||
ret = vmw_surface_init(dev_priv, srf, vmw_user_surface_free);
|
||||
if (unlikely(ret != 0))
|
||||
goto out_unlock;
|
||||
|
||||
tmp = vmw_resource_reference(&srf->res);
|
||||
ret = ttm_base_object_init(tfile, &user_srf->base,
|
||||
req->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->sid = user_srf->base.hash.key;
|
||||
vmw_resource_unreference(&res);
|
||||
|
||||
ttm_read_unlock(&vmaster->lock);
|
||||
return 0;
|
||||
out_no_copy:
|
||||
kfree(srf->offsets);
|
||||
out_no_offsets:
|
||||
kfree(srf->sizes);
|
||||
out_no_sizes:
|
||||
ttm_base_object_kfree(user_srf, base);
|
||||
out_no_user_srf:
|
||||
ttm_mem_global_free(vmw_mem_glob(dev_priv), size);
|
||||
out_unlock:
|
||||
ttm_read_unlock(&vmaster->lock);
|
||||
return ret;
|
||||
}
|
||||
|
||||
/**
|
||||
* vmw_user_surface_define_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_surface_reference_ioctl(struct drm_device *dev, void *data,
|
||||
struct drm_file *file_priv)
|
||||
{
|
||||
union drm_vmw_surface_reference_arg *arg =
|
||||
(union drm_vmw_surface_reference_arg *)data;
|
||||
struct drm_vmw_surface_arg *req = &arg->req;
|
||||
struct drm_vmw_surface_create_req *rep = &arg->rep;
|
||||
struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile;
|
||||
struct vmw_surface *srf;
|
||||
struct vmw_user_surface *user_srf;
|
||||
struct drm_vmw_size __user *user_sizes;
|
||||
struct ttm_base_object *base;
|
||||
int ret = -EINVAL;
|
||||
|
||||
base = ttm_base_object_lookup(tfile, req->sid);
|
||||
if (unlikely(base == NULL)) {
|
||||
DRM_ERROR("Could not find surface to reference.\n");
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
if (unlikely(base->object_type != VMW_RES_SURFACE))
|
||||
goto out_bad_resource;
|
||||
|
||||
user_srf = container_of(base, struct vmw_user_surface, base);
|
||||
srf = &user_srf->srf;
|
||||
|
||||
ret = ttm_ref_object_add(tfile, &user_srf->base, TTM_REF_USAGE, NULL);
|
||||
if (unlikely(ret != 0)) {
|
||||
DRM_ERROR("Could not add a reference to a surface.\n");
|
||||
goto out_no_reference;
|
||||
}
|
||||
|
||||
rep->flags = srf->flags;
|
||||
rep->format = srf->format;
|
||||
memcpy(rep->mip_levels, srf->mip_levels, sizeof(srf->mip_levels));
|
||||
user_sizes = (struct drm_vmw_size __user *)(unsigned long)
|
||||
rep->size_addr;
|
||||
|
||||
if (user_sizes)
|
||||
ret = copy_to_user(user_sizes, srf->sizes,
|
||||
srf->num_sizes * sizeof(*srf->sizes));
|
||||
if (unlikely(ret != 0)) {
|
||||
DRM_ERROR("copy_to_user failed %p %u\n",
|
||||
user_sizes, srf->num_sizes);
|
||||
ret = -EFAULT;
|
||||
}
|
||||
out_bad_resource:
|
||||
out_no_reference:
|
||||
ttm_base_object_unref(&base);
|
||||
|
||||
return ret;
|
||||
}
|
||||
Reference in New Issue