diff options
author | José Fonseca <jfonseca@vmware.com> | 2010-01-08 15:42:57 +0000 |
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committer | José Fonseca <jfonseca@vmware.com> | 2010-01-08 15:42:57 +0000 |
commit | 080c40ab32b2abd6d8381b4a0cc143d36a1652b2 (patch) | |
tree | e173767ebc5a82d81b9fc086449d915e29348976 /src/gallium/winsys/drm/vmware/xorg/vmw_ioctl.c | |
parent | 9cdf6f025b2ed55cfb13dd09f870f01d0c7947d3 (diff) | |
parent | a1de400e8de06a80ab140bb0fa950e990607572d (diff) |
Merge remote branch 'origin/master' into lp-binning
Conflicts:
src/gallium/auxiliary/util/u_surface.c
src/gallium/drivers/llvmpipe/Makefile
src/gallium/drivers/llvmpipe/SConscript
src/gallium/drivers/llvmpipe/lp_bld_arit.c
src/gallium/drivers/llvmpipe/lp_bld_flow.c
src/gallium/drivers/llvmpipe/lp_bld_interp.c
src/gallium/drivers/llvmpipe/lp_clear.c
src/gallium/drivers/llvmpipe/lp_context.c
src/gallium/drivers/llvmpipe/lp_context.h
src/gallium/drivers/llvmpipe/lp_draw_arrays.c
src/gallium/drivers/llvmpipe/lp_jit.c
src/gallium/drivers/llvmpipe/lp_jit.h
src/gallium/drivers/llvmpipe/lp_prim_vbuf.c
src/gallium/drivers/llvmpipe/lp_setup.c
src/gallium/drivers/llvmpipe/lp_setup_point.c
src/gallium/drivers/llvmpipe/lp_state.h
src/gallium/drivers/llvmpipe/lp_state_blend.c
src/gallium/drivers/llvmpipe/lp_state_derived.c
src/gallium/drivers/llvmpipe/lp_state_fs.c
src/gallium/drivers/llvmpipe/lp_state_sampler.c
src/gallium/drivers/llvmpipe/lp_state_surface.c
src/gallium/drivers/llvmpipe/lp_tex_cache.c
src/gallium/drivers/llvmpipe/lp_tex_cache.h
src/gallium/drivers/llvmpipe/lp_tex_sample.h
src/gallium/drivers/llvmpipe/lp_tile_cache.c
Diffstat (limited to 'src/gallium/winsys/drm/vmware/xorg/vmw_ioctl.c')
-rw-r--r-- | src/gallium/winsys/drm/vmware/xorg/vmw_ioctl.c | 242 |
1 files changed, 242 insertions, 0 deletions
diff --git a/src/gallium/winsys/drm/vmware/xorg/vmw_ioctl.c b/src/gallium/winsys/drm/vmware/xorg/vmw_ioctl.c new file mode 100644 index 0000000000..ab2b5fadc4 --- /dev/null +++ b/src/gallium/winsys/drm/vmware/xorg/vmw_ioctl.c @@ -0,0 +1,242 @@ +/********************************************************** + * Copyright 2009 VMware, Inc. 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, sublicense, 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 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 + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * 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. + * + **********************************************************/ + +/** + * @file + * Contains the functions for creating dma buffers by calling + * the kernel via driver specific ioctls. + * + * @author Jakob Bornecrantz <jakob@vmware.com> + */ + +#ifndef HAVE_STDINT_H +#define HAVE_STDINT_H 1 +#endif +#define _FILE_OFFSET_BITS 64 + +#include <errno.h> +#include <stdlib.h> +#include <string.h> + +#include <sys/mman.h> +#include "xf86drm.h" +#include "../core/vmwgfx_drm.h" + +#include "vmw_driver.h" +#include "util/u_debug.h" + +struct vmw_dma_buffer +{ + void *data; + unsigned handle; + uint64_t map_handle; + unsigned map_count; + uint32_t size; +}; + +static int +vmw_ioctl_get_param(struct vmw_driver *vmw, uint32_t param, uint64_t *out) +{ + struct drm_vmw_getparam_arg gp_arg; + int ret; + + memset(&gp_arg, 0, sizeof(gp_arg)); + gp_arg.param = param; + ret = drmCommandWriteRead(vmw->fd, DRM_VMW_GET_PARAM, + &gp_arg, sizeof(gp_arg)); + + if (ret == 0) { + *out = gp_arg.value; + } + + return ret; +} + +int +vmw_ioctl_supports_streams(struct vmw_driver *vmw) +{ + uint64_t value; + int ret; + + ret = vmw_ioctl_get_param(vmw, DRM_VMW_PARAM_NUM_STREAMS, &value); + if (ret) + return ret; + + return value ? 0 : -ENOSYS; +} + +int +vmw_ioctl_num_streams(struct vmw_driver *vmw, + uint32_t *ntot, uint32_t *nfree) +{ + uint64_t v1, v2; + int ret; + + ret = vmw_ioctl_get_param(vmw, DRM_VMW_PARAM_NUM_STREAMS, &v1); + if (ret) + return ret; + + ret = vmw_ioctl_get_param(vmw, DRM_VMW_PARAM_NUM_FREE_STREAMS, &v2); + if (ret) + return ret; + + *ntot = (uint32_t)v1; + *nfree = (uint32_t)v2; + + return 0; +} + +int +vmw_ioctl_claim_stream(struct vmw_driver *vmw, uint32_t *out) +{ + struct drm_vmw_stream_arg s_arg; + int ret; + + ret = drmCommandRead(vmw->fd, DRM_VMW_CLAIM_STREAM, + &s_arg, sizeof(s_arg)); + + if (ret) + return -1; + + *out = s_arg.stream_id; + return 0; +} + +int +vmw_ioctl_unref_stream(struct vmw_driver *vmw, uint32_t stream_id) +{ + struct drm_vmw_stream_arg s_arg; + int ret; + + memset(&s_arg, 0, sizeof(s_arg)); + s_arg.stream_id = stream_id; + + ret = drmCommandRead(vmw->fd, DRM_VMW_CLAIM_STREAM, + &s_arg, sizeof(s_arg)); + + return 0; +} + +int +vmw_ioctl_cursor_bypass(struct vmw_driver *vmw, int xhot, int yhot) +{ + struct drm_vmw_cursor_bypass_arg arg; + int ret; + + memset(&arg, 0, sizeof(arg)); + arg.flags = DRM_VMW_CURSOR_BYPASS_ALL; + arg.xhot = xhot; + arg.yhot = yhot; + + ret = drmCommandWrite(vmw->fd, DRM_VMW_CURSOR_BYPASS, + &arg, sizeof(arg)); + + return ret; +} + +struct vmw_dma_buffer * +vmw_ioctl_buffer_create(struct vmw_driver *vmw, uint32_t size, unsigned *handle) +{ + struct vmw_dma_buffer *buf; + union drm_vmw_alloc_dmabuf_arg arg; + struct drm_vmw_alloc_dmabuf_req *req = &arg.req; + struct drm_vmw_dmabuf_rep *rep = &arg.rep; + int ret; + + buf = xcalloc(1, sizeof(*buf)); + if (!buf) + goto err; + + memset(&arg, 0, sizeof(arg)); + req->size = size; + do { + ret = drmCommandWriteRead(vmw->fd, DRM_VMW_ALLOC_DMABUF, &arg, sizeof(arg)); + } while (ret == -ERESTART); + + if (ret) { + debug_printf("IOCTL failed %d: %s\n", ret, strerror(-ret)); + goto err_free; + } + + + buf->data = NULL; + buf->handle = rep->handle; + buf->map_handle = rep->map_handle; + buf->map_count = 0; + buf->size = size; + + *handle = rep->handle; + + return buf; + +err_free: + xfree(buf); +err: + return NULL; +} + +void +vmw_ioctl_buffer_destroy(struct vmw_driver *vmw, struct vmw_dma_buffer *buf) +{ + struct drm_vmw_unref_dmabuf_arg arg; + + if (buf->data) { + munmap(buf->data, buf->size); + buf->data = NULL; + } + + memset(&arg, 0, sizeof(arg)); + arg.handle = buf->handle; + drmCommandWrite(vmw->fd, DRM_VMW_UNREF_DMABUF, &arg, sizeof(arg)); + + xfree(buf); +} + +void * +vmw_ioctl_buffer_map(struct vmw_driver *vmw, struct vmw_dma_buffer *buf) +{ + void *map; + + if (buf->data == NULL) { + map = mmap(NULL, buf->size, PROT_READ | PROT_WRITE, MAP_SHARED, + vmw->fd, buf->map_handle); + if (map == MAP_FAILED) { + debug_printf("%s: Map failed.\n", __FUNCTION__); + return NULL; + } + + buf->data = map; + } + + ++buf->map_count; + + return buf->data; +} + +void +vmw_ioctl_buffer_unmap(struct vmw_driver *vmw, struct vmw_dma_buffer *buf) +{ + --buf->map_count; +} |