@@ -5,6 +5,7 @@ vmwgfx-y := vmwgfx_execbuf.o vmwgfx_gmr.o vmwgfx_kms.o vmwgfx_drv.o \
vmwgfx_fb.o vmwgfx_ioctl.o vmwgfx_resource.o vmwgfx_buffer.o \
vmwgfx_fifo.o vmwgfx_irq.o vmwgfx_ldu.o vmwgfx_ttm_glue.o \
vmwgfx_overlay.o vmwgfx_marker.o vmwgfx_gmrid_manager.o \
- vmwgfx_fence.o vmwgfx_dmabuf.o vmwgfx_scrn.o
+ vmwgfx_fence.o vmwgfx_dmabuf.o vmwgfx_scrn.o vmwgfx_context.o \
+ vmwgfx_surface.o
obj-$(CONFIG_DRM_VMWGFX) := vmwgfx.o
new file mode 100644
@@ -0,0 +1,274 @@
+/**************************************************************************
+ *
+ * Copyright © 2009-2012 VMware, Inc., Palo Alto, CA., USA
+ * 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.
+ *
+ **************************************************************************/
+
+#include "vmwgfx_drv.h"
+#include "vmwgfx_resource_priv.h"
+#include "ttm/ttm_placement.h"
+
+struct vmw_user_context {
+ struct ttm_base_object base;
+ struct vmw_resource res;
+};
+
+static void vmw_user_context_free(struct vmw_resource *res);
+static struct vmw_resource *
+vmw_user_context_base_to_res(struct ttm_base_object *base);
+
+static uint64_t vmw_user_context_size;
+
+static const struct vmw_user_resource_conv user_context_conv = {
+ .object_type = VMW_RES_CONTEXT,
+ .base_obj_to_res = vmw_user_context_base_to_res,
+ .res_free = vmw_user_context_free
+};
+
+const struct vmw_user_resource_conv *user_context_converter =
+ &user_context_conv;
+
+
+static const struct vmw_res_func vmw_legacy_context_func = {
+ .res_type = vmw_res_context,
+ .needs_backup = false,
+ .may_evict = false,
+ .type_name = "legacy contexts",
+ .backup_placement = NULL,
+ .create = NULL,
+ .destroy = NULL,
+ .bind = NULL,
+ .unbind = NULL
+};
+
+/**
+ * Context management:
+ */
+
+static void vmw_hw_context_destroy(struct vmw_resource *res)
+{
+
+ struct vmw_private *dev_priv = res->dev_priv;
+ struct {
+ SVGA3dCmdHeader header;
+ SVGA3dCmdDestroyContext body;
+ } *cmd;
+
+
+ vmw_execbuf_release_pinned_bo(dev_priv);
+ cmd = vmw_fifo_reserve(dev_priv, sizeof(*cmd));
+ if (unlikely(cmd == NULL)) {
+ DRM_ERROR("Failed reserving FIFO space for surface "
+ "destruction.\n");
+ return;
+ }
+
+ cmd->header.id = cpu_to_le32(SVGA_3D_CMD_CONTEXT_DESTROY);
+ cmd->header.size = cpu_to_le32(sizeof(cmd->body));
+ cmd->body.cid = cpu_to_le32(res->id);
+
+ vmw_fifo_commit(dev_priv, sizeof(*cmd));
+ vmw_3d_resource_dec(dev_priv, false);
+}
+
+static int vmw_context_init(struct vmw_private *dev_priv,
+ struct vmw_resource *res,
+ void (*res_free) (struct vmw_resource *res))
+{
+ int ret;
+
+ struct {
+ SVGA3dCmdHeader header;
+ SVGA3dCmdDefineContext body;
+ } *cmd;
+
+ ret = vmw_resource_init(dev_priv, res, false,
+ res_free, &vmw_legacy_context_func);
+
+ if (unlikely(ret != 0)) {
+ DRM_ERROR("Failed to allocate a resource id.\n");
+ goto out_early;
+ }
+
+ if (unlikely(res->id >= SVGA3D_MAX_CONTEXT_IDS)) {
+ DRM_ERROR("Out of hw context ids.\n");
+ vmw_resource_unreference(&res);
+ return -ENOMEM;
+ }
+
+ cmd = vmw_fifo_reserve(dev_priv, sizeof(*cmd));
+ if (unlikely(cmd == NULL)) {
+ DRM_ERROR("Fifo reserve failed.\n");
+ vmw_resource_unreference(&res);
+ return -ENOMEM;
+ }
+
+ cmd->header.id = cpu_to_le32(SVGA_3D_CMD_CONTEXT_DEFINE);
+ cmd->header.size = cpu_to_le32(sizeof(cmd->body));
+ cmd->body.cid = cpu_to_le32(res->id);
+
+ vmw_fifo_commit(dev_priv, sizeof(*cmd));
+ (void) vmw_3d_resource_inc(dev_priv, false);
+ vmw_resource_activate(res, vmw_hw_context_destroy);
+ return 0;
+
+out_early:
+ if (res_free == NULL)
+ kfree(res);
+ else
+ res_free(res);
+ return ret;
+}
+
+struct vmw_resource *vmw_context_alloc(struct vmw_private *dev_priv)
+{
+ struct vmw_resource *res = kmalloc(sizeof(*res), GFP_KERNEL);
+ int ret;
+
+ if (unlikely(res == NULL))
+ return NULL;
+
+ ret = vmw_context_init(dev_priv, res, NULL);
+
+ return (ret == 0) ? res : NULL;
+}
+
+/**
+ * User-space context management:
+ */
+
+static struct vmw_resource *
+vmw_user_context_base_to_res(struct ttm_base_object *base)
+{
+ return &(container_of(base, struct vmw_user_context, base)->res);
+}
+
+static void vmw_user_context_free(struct vmw_resource *res)
+{
+ struct vmw_user_context *ctx =
+ container_of(res, struct vmw_user_context, res);
+ struct vmw_private *dev_priv = res->dev_priv;
+
+ ttm_base_object_kfree(ctx, base);
+ ttm_mem_global_free(vmw_mem_glob(dev_priv),
+ vmw_user_context_size);
+}
+
+/**
+ * This function is called when user space has no more references on the
+ * base object. It releases the base-object's reference on the resource object.
+ */
+
+static void vmw_user_context_base_release(struct ttm_base_object **p_base)
+{
+ struct ttm_base_object *base = *p_base;
+ struct vmw_user_context *ctx =
+ container_of(base, struct vmw_user_context, base);
+ struct vmw_resource *res = &ctx->res;
+
+ *p_base = NULL;
+ vmw_resource_unreference(&res);
+}
+
+int vmw_context_destroy_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
+{
+ struct drm_vmw_context_arg *arg = (struct drm_vmw_context_arg *)data;
+ struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile;
+
+ return ttm_ref_object_base_unref(tfile, arg->cid, TTM_REF_USAGE);
+}
+
+int vmw_context_define_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
+{
+ struct vmw_private *dev_priv = vmw_priv(dev);
+ struct vmw_user_context *ctx;
+ struct vmw_resource *res;
+ struct vmw_resource *tmp;
+ struct drm_vmw_context_arg *arg = (struct drm_vmw_context_arg *)data;
+ struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile;
+ struct vmw_master *vmaster = vmw_master(file_priv->master);
+ int ret;
+
+
+ /*
+ * Approximate idr memory usage with 128 bytes. It will be limited
+ * by maximum number_of contexts anyway.
+ */
+
+ if (unlikely(vmw_user_context_size == 0))
+ vmw_user_context_size = ttm_round_pot(sizeof(*ctx)) + 128;
+
+ ret = ttm_read_lock(&vmaster->lock, true);
+ if (unlikely(ret != 0))
+ return ret;
+
+ ret = ttm_mem_global_alloc(vmw_mem_glob(dev_priv),
+ vmw_user_context_size,
+ false, true);
+ if (unlikely(ret != 0)) {
+ if (ret != -ERESTARTSYS)
+ DRM_ERROR("Out of graphics memory for context"
+ " creation.\n");
+ goto out_unlock;
+ }
+
+ ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
+ if (unlikely(ctx == NULL)) {
+ ttm_mem_global_free(vmw_mem_glob(dev_priv),
+ vmw_user_context_size);
+ ret = -ENOMEM;
+ goto out_unlock;
+ }
+
+ res = &ctx->res;
+ ctx->base.shareable = false;
+ ctx->base.tfile = NULL;
+
+ /*
+ * From here on, the destructor takes over resource freeing.
+ */
+
+ ret = vmw_context_init(dev_priv, res, vmw_user_context_free);
+ if (unlikely(ret != 0))
+ goto out_unlock;
+
+ tmp = vmw_resource_reference(&ctx->res);
+ ret = ttm_base_object_init(tfile, &ctx->base, false, VMW_RES_CONTEXT,
+ &vmw_user_context_base_release, NULL);
+
+ if (unlikely(ret != 0)) {
+ vmw_resource_unreference(&tmp);
+ goto out_err;
+ }
+
+ arg->cid = ctx->base.hash.key;
+out_err:
+ vmw_resource_unreference(&res);
+out_unlock:
+ ttm_read_unlock(&vmaster->lock);
+ return ret;
+
+}
@@ -30,49 +30,7 @@
#include <drm/ttm/ttm_object.h>
#include <drm/ttm/ttm_placement.h>
#include <drm/drmP.h>
-
-/**
- * struct vmw_user_resource_conv - Identify a derived user-exported resource
- * type and provide a function to convert its ttm_base_object pointer to
- * a struct vmw_resource
- */
-struct vmw_user_resource_conv {
- enum ttm_object_type object_type;
- struct vmw_resource *(*base_obj_to_res)(struct ttm_base_object *base);
- void (*res_free) (struct vmw_resource *res);
-};
-
-/**
- * struct vmw_res_func - members and functions common for a resource type
- *
- * @res_type: Enum that identifies the lru list to use for eviction.
- * @needs_backup: Whether the resource is guest-backed and needs
- * persistent buffer storage.
- * @type_name: String that identifies the resource type.
- * @backup_placement: TTM placement for backup buffers.
- * @may_evict Whether the resource may be evicted.
- * @create: Create a hardware resource.
- * @destroy: Destroy a hardware resource.
- * @bind: Bind a hardware resource to persistent buffer storage.
- * @unbind: Unbind a hardware resource from persistent
- * buffer storage.
- */
-
-struct vmw_res_func {
- enum vmw_res_type res_type;
- bool needs_backup;
- const char *type_name;
- struct ttm_placement *backup_placement;
- bool may_evict;
-
- int (*create) (struct vmw_resource *res);
- int (*destroy) (struct vmw_resource *res);
- int (*bind) (struct vmw_resource *res,
- struct ttm_validate_buffer *val_buf);
- int (*unbind) (struct vmw_resource *res,
- bool readback,
- struct ttm_validate_buffer *val_buf);
-};
+#include "vmwgfx_resource_priv.h"
struct vmw_user_dma_buffer {
struct ttm_base_object base;
@@ -109,104 +67,6 @@ static const struct vmw_res_func vmw_stream_func = {
.unbind = NULL
};
-struct vmw_user_context {
- struct ttm_base_object base;
- struct vmw_resource res;
-};
-
-static void vmw_user_context_free(struct vmw_resource *res);
-static struct vmw_resource *
-vmw_user_context_base_to_res(struct ttm_base_object *base);
-
-static uint64_t vmw_user_context_size;
-
-static const struct vmw_user_resource_conv user_context_conv = {
- .object_type = VMW_RES_CONTEXT,
- .base_obj_to_res = vmw_user_context_base_to_res,
- .res_free = vmw_user_context_free
-};
-
-const struct vmw_user_resource_conv *user_context_converter =
- &user_context_conv;
-
-
-static const struct vmw_res_func vmw_legacy_context_func = {
- .res_type = vmw_res_context,
- .needs_backup = false,
- .may_evict = false,
- .type_name = "legacy contexts",
- .backup_placement = NULL,
- .create = NULL,
- .destroy = NULL,
- .bind = NULL,
- .unbind = NULL
-};
-
-
-/**
- * struct vmw_user_surface - User-space visible surface resource
- *
- * @base: The TTM base object handling user-space visibility.
- * @srf: The surface metadata.
- * @size: TTM accounting size for the surface.
- */
-struct vmw_user_surface {
- struct ttm_base_object base;
- struct vmw_surface srf;
- uint32_t size;
- uint32_t backup_handle;
-};
-
-/**
- * struct vmw_surface_offset - Backing store mip level offset info
- *
- * @face: Surface face.
- * @mip: Mip level.
- * @bo_offset: Offset into backing store of this mip level.
- *
- */
-struct vmw_surface_offset {
- uint32_t face;
- uint32_t mip;
- uint32_t bo_offset;
-};
-
-static void vmw_user_surface_free(struct vmw_resource *res);
-static struct vmw_resource *
-vmw_user_surface_base_to_res(struct ttm_base_object *base);
-static int vmw_legacy_srf_bind(struct vmw_resource *res,
- struct ttm_validate_buffer *val_buf);
-static int vmw_legacy_srf_unbind(struct vmw_resource *res,
- bool readback,
- struct ttm_validate_buffer *val_buf);
-static int vmw_legacy_srf_create(struct vmw_resource *res);
-static int vmw_legacy_srf_destroy(struct vmw_resource *res);
-
-static const struct vmw_user_resource_conv user_surface_conv = {
- .object_type = VMW_RES_SURFACE,
- .base_obj_to_res = vmw_user_surface_base_to_res,
- .res_free = vmw_user_surface_free
-};
-
-const struct vmw_user_resource_conv *user_surface_converter =
- &user_surface_conv;
-
-
-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
-};
-
-
static inline struct vmw_dma_buffer *
vmw_dma_buffer(struct ttm_buffer_object *bo)
{
@@ -234,7 +94,7 @@ struct vmw_resource *vmw_resource_reference(struct vmw_resource *res)
*
* Release the resource id to the resource id manager and set it to -1
*/
-static void vmw_resource_release_id(struct vmw_resource *res)
+void vmw_resource_release_id(struct vmw_resource *res)
{
struct vmw_private *dev_priv = res->dev_priv;
struct idr *idr = &dev_priv->res_idr[res->func->res_type];
@@ -309,7 +169,7 @@ void vmw_resource_unreference(struct vmw_resource **p_res)
* Allocate the lowest free resource from the resource manager, and set
* @res->id to that id. Returns 0 on success and -ENOMEM on failure.
*/
-static int vmw_resource_alloc_id(struct vmw_resource *res)
+int vmw_resource_alloc_id(struct vmw_resource *res)
{
struct vmw_private *dev_priv = res->dev_priv;
int ret;
@@ -341,11 +201,10 @@ static int vmw_resource_alloc_id(struct vmw_resource *res)
* @res_free: Resource destructor.
* @func: Resource function table.
*/
-static int vmw_resource_init(struct vmw_private *dev_priv,
- struct vmw_resource *res,
- bool delay_id,
- void (*res_free) (struct vmw_resource *res),
- const struct vmw_res_func *func)
+int vmw_resource_init(struct vmw_private *dev_priv, struct vmw_resource *res,
+ bool delay_id,
+ void (*res_free) (struct vmw_resource *res),
+ const struct vmw_res_func *func)
{
kref_init(&res->kref);
res->hw_destroy = NULL;
@@ -378,8 +237,8 @@ static int vmw_resource_init(struct vmw_private *dev_priv,
* Activate basically means that the function vmw_resource_lookup will
* find it.
*/
-static void vmw_resource_activate(struct vmw_resource *res,
- void (*hw_destroy) (struct vmw_resource *))
+void vmw_resource_activate(struct vmw_resource *res,
+ void (*hw_destroy) (struct vmw_resource *))
{
struct vmw_private *dev_priv = res->dev_priv;
@@ -409,1090 +268,6 @@ struct vmw_resource *vmw_resource_lookup(struct vmw_private *dev_priv,
}
/**
- * Context management:
- */
-
-static void vmw_hw_context_destroy(struct vmw_resource *res)
-{
-
- struct vmw_private *dev_priv = res->dev_priv;
- struct {
- SVGA3dCmdHeader header;
- SVGA3dCmdDestroyContext body;
- } *cmd;
-
-
- vmw_execbuf_release_pinned_bo(dev_priv);
- cmd = vmw_fifo_reserve(dev_priv, sizeof(*cmd));
- if (unlikely(cmd == NULL)) {
- DRM_ERROR("Failed reserving FIFO space for surface "
- "destruction.\n");
- return;
- }
-
- cmd->header.id = cpu_to_le32(SVGA_3D_CMD_CONTEXT_DESTROY);
- cmd->header.size = cpu_to_le32(sizeof(cmd->body));
- cmd->body.cid = cpu_to_le32(res->id);
-
- vmw_fifo_commit(dev_priv, sizeof(*cmd));
- vmw_3d_resource_dec(dev_priv, false);
-}
-
-static int vmw_context_init(struct vmw_private *dev_priv,
- struct vmw_resource *res,
- void (*res_free) (struct vmw_resource *res))
-{
- int ret;
-
- struct {
- SVGA3dCmdHeader header;
- SVGA3dCmdDefineContext body;
- } *cmd;
-
- ret = vmw_resource_init(dev_priv, res, false,
- res_free, &vmw_legacy_context_func);
-
- if (unlikely(ret != 0)) {
- DRM_ERROR("Failed to allocate a resource id.\n");
- goto out_early;
- }
-
- if (unlikely(res->id >= SVGA3D_MAX_CONTEXT_IDS)) {
- DRM_ERROR("Out of hw context ids.\n");
- vmw_resource_unreference(&res);
- return -ENOMEM;
- }
-
- cmd = vmw_fifo_reserve(dev_priv, sizeof(*cmd));
- if (unlikely(cmd == NULL)) {
- DRM_ERROR("Fifo reserve failed.\n");
- vmw_resource_unreference(&res);
- return -ENOMEM;
- }
-
- cmd->header.id = cpu_to_le32(SVGA_3D_CMD_CONTEXT_DEFINE);
- cmd->header.size = cpu_to_le32(sizeof(cmd->body));
- cmd->body.cid = cpu_to_le32(res->id);
-
- vmw_fifo_commit(dev_priv, sizeof(*cmd));
- (void) vmw_3d_resource_inc(dev_priv, false);
- vmw_resource_activate(res, vmw_hw_context_destroy);
- return 0;
-
-out_early:
- if (res_free == NULL)
- kfree(res);
- else
- res_free(res);
- return ret;
-}
-
-struct vmw_resource *vmw_context_alloc(struct vmw_private *dev_priv)
-{
- struct vmw_resource *res = kmalloc(sizeof(*res), GFP_KERNEL);
- int ret;
-
- if (unlikely(res == NULL))
- return NULL;
-
- ret = vmw_context_init(dev_priv, res, NULL);
-
- return (ret == 0) ? res : NULL;
-}
-
-/**
- * User-space context management:
- */
-
-static struct vmw_resource *
-vmw_user_context_base_to_res(struct ttm_base_object *base)
-{
- return &(container_of(base, struct vmw_user_context, base)->res);
-}
-
-static void vmw_user_context_free(struct vmw_resource *res)
-{
- struct vmw_user_context *ctx =
- container_of(res, struct vmw_user_context, res);
- struct vmw_private *dev_priv = res->dev_priv;
-
- ttm_base_object_kfree(ctx, base);
- ttm_mem_global_free(vmw_mem_glob(dev_priv),
- vmw_user_context_size);
-}
-
-/**
- * This function is called when user space has no more references on the
- * base object. It releases the base-object's reference on the resource object.
- */
-
-static void vmw_user_context_base_release(struct ttm_base_object **p_base)
-{
- struct ttm_base_object *base = *p_base;
- struct vmw_user_context *ctx =
- container_of(base, struct vmw_user_context, base);
- struct vmw_resource *res = &ctx->res;
-
- *p_base = NULL;
- vmw_resource_unreference(&res);
-}
-
-int vmw_context_destroy_ioctl(struct drm_device *dev, void *data,
- struct drm_file *file_priv)
-{
- struct drm_vmw_context_arg *arg = (struct drm_vmw_context_arg *)data;
- struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile;
-
- return ttm_ref_object_base_unref(tfile, arg->cid, TTM_REF_USAGE);
-}
-
-int vmw_context_define_ioctl(struct drm_device *dev, void *data,
- struct drm_file *file_priv)
-{
- struct vmw_private *dev_priv = vmw_priv(dev);
- struct vmw_user_context *ctx;
- struct vmw_resource *res;
- struct vmw_resource *tmp;
- struct drm_vmw_context_arg *arg = (struct drm_vmw_context_arg *)data;
- struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile;
- struct vmw_master *vmaster = vmw_master(file_priv->master);
- int ret;
-
-
- /*
- * Approximate idr memory usage with 128 bytes. It will be limited
- * by maximum number_of contexts anyway.
- */
-
- if (unlikely(vmw_user_context_size == 0))
- vmw_user_context_size = ttm_round_pot(sizeof(*ctx)) + 128;
-
- ret = ttm_read_lock(&vmaster->lock, true);
- if (unlikely(ret != 0))
- return ret;
-
- ret = ttm_mem_global_alloc(vmw_mem_glob(dev_priv),
- vmw_user_context_size,
- false, true);
- if (unlikely(ret != 0)) {
- if (ret != -ERESTARTSYS)
- DRM_ERROR("Out of graphics memory for context"
- " creation.\n");
- goto out_unlock;
- }
-
- ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
- if (unlikely(ctx == NULL)) {
- ttm_mem_global_free(vmw_mem_glob(dev_priv),
- vmw_user_context_size);
- ret = -ENOMEM;
- goto out_unlock;
- }
-
- res = &ctx->res;
- ctx->base.shareable = false;
- ctx->base.tfile = NULL;
-
- /*
- * From here on, the destructor takes over resource freeing.
- */
-
- ret = vmw_context_init(dev_priv, res, vmw_user_context_free);
- if (unlikely(ret != 0))
- goto out_unlock;
-
- tmp = vmw_resource_reference(&ctx->res);
- ret = ttm_base_object_init(tfile, &ctx->base, false, VMW_RES_CONTEXT,
- &vmw_user_context_base_release, NULL);
-
- if (unlikely(ret != 0)) {
- vmw_resource_unreference(&tmp);
- goto out_err;
- }
-
- arg->cid = ctx->base.hash.key;
-out_err:
- vmw_resource_unreference(&res);
-out_unlock:
- ttm_read_unlock(&vmaster->lock);
- return ret;
-
-}
-
-/**
- * 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) {
-
- /* allocate image area and clear it */
- srf->snooper.image = kzalloc(64 * 64 * 4, GFP_KERNEL);
- if (!srf->snooper.image) {
- 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:
- kfree(user_srf);
-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;
-}
-
-/**
* vmw_user_resource_lookup_handle - lookup a struct resource from a
* TTM user-space handle and perform basic type checks
*
new file mode 100644
@@ -0,0 +1,84 @@
+/**************************************************************************
+ *
+ * Copyright © 2012 VMware, Inc., Palo Alto, CA., USA
+ * 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.
+ *
+ **************************************************************************/
+
+#ifndef _VMWGFX_RESOURCE_PRIV_H_
+#define _VMWGFX_RESOURCE_PRIV_H_
+
+#include "vmwgfx_drv.h"
+
+/**
+ * struct vmw_user_resource_conv - Identify a derived user-exported resource
+ * type and provide a function to convert its ttm_base_object pointer to
+ * a struct vmw_resource
+ */
+struct vmw_user_resource_conv {
+ enum ttm_object_type object_type;
+ struct vmw_resource *(*base_obj_to_res)(struct ttm_base_object *base);
+ void (*res_free) (struct vmw_resource *res);
+};
+
+/**
+ * struct vmw_res_func - members and functions common for a resource type
+ *
+ * @res_type: Enum that identifies the lru list to use for eviction.
+ * @needs_backup: Whether the resource is guest-backed and needs
+ * persistent buffer storage.
+ * @type_name: String that identifies the resource type.
+ * @backup_placement: TTM placement for backup buffers.
+ * @may_evict Whether the resource may be evicted.
+ * @create: Create a hardware resource.
+ * @destroy: Destroy a hardware resource.
+ * @bind: Bind a hardware resource to persistent buffer storage.
+ * @unbind: Unbind a hardware resource from persistent
+ * buffer storage.
+ */
+
+struct vmw_res_func {
+ enum vmw_res_type res_type;
+ bool needs_backup;
+ const char *type_name;
+ struct ttm_placement *backup_placement;
+ bool may_evict;
+
+ int (*create) (struct vmw_resource *res);
+ int (*destroy) (struct vmw_resource *res);
+ int (*bind) (struct vmw_resource *res,
+ struct ttm_validate_buffer *val_buf);
+ int (*unbind) (struct vmw_resource *res,
+ bool readback,
+ struct ttm_validate_buffer *val_buf);
+};
+
+int vmw_resource_alloc_id(struct vmw_resource *res);
+void vmw_resource_release_id(struct vmw_resource *res);
+int vmw_resource_init(struct vmw_private *dev_priv, struct vmw_resource *res,
+ bool delay_id,
+ void (*res_free) (struct vmw_resource *res),
+ const struct vmw_res_func *func);
+void vmw_resource_activate(struct vmw_resource *res,
+ void (*hw_destroy) (struct vmw_resource *));
+#endif
new file mode 100644
@@ -0,0 +1,968 @@
+/**************************************************************************
+ *
+ * Copyright © 2009-2012 VMware, Inc., Palo Alto, CA., USA
+ * 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.
+ *
+ **************************************************************************/
+
+#include "vmwgfx_drv.h"
+#include "vmwgfx_resource_priv.h"
+#include <ttm/ttm_placement.h>
+
+/**
+ * struct vmw_user_surface - User-space visible surface resource
+ *
+ * @base: The TTM base object handling user-space visibility.
+ * @srf: The surface metadata.
+ * @size: TTM accounting size for the surface.
+ */
+struct vmw_user_surface {
+ struct ttm_base_object base;
+ struct vmw_surface srf;
+ uint32_t size;
+ uint32_t backup_handle;
+};
+
+/**
+ * struct vmw_surface_offset - Backing store mip level offset info
+ *
+ * @face: Surface face.
+ * @mip: Mip level.
+ * @bo_offset: Offset into backing store of this mip level.
+ *
+ */
+struct vmw_surface_offset {
+ uint32_t face;
+ uint32_t mip;
+ uint32_t bo_offset;
+};
+
+static void vmw_user_surface_free(struct vmw_resource *res);
+static struct vmw_resource *
+vmw_user_surface_base_to_res(struct ttm_base_object *base);
+static int vmw_legacy_srf_bind(struct vmw_resource *res,
+ struct ttm_validate_buffer *val_buf);
+static int vmw_legacy_srf_unbind(struct vmw_resource *res,
+ bool readback,
+ struct ttm_validate_buffer *val_buf);
+static int vmw_legacy_srf_create(struct vmw_resource *res);
+static int vmw_legacy_srf_destroy(struct vmw_resource *res);
+
+static const struct vmw_user_resource_conv user_surface_conv = {
+ .object_type = VMW_RES_SURFACE,
+ .base_obj_to_res = vmw_user_surface_base_to_res,
+ .res_free = vmw_user_surface_free
+};
+
+const struct vmw_user_resource_conv *user_surface_converter =
+ &user_surface_conv;
+
+
+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;
+}