diff options
author | Keith Whitwell <keithw@vmware.com> | 2009-12-21 19:18:41 +0000 |
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committer | Keith Whitwell <keithw@vmware.com> | 2009-12-21 19:18:41 +0000 |
commit | a5585cb533af3d4e5d5324d5f526447b98597402 (patch) | |
tree | 6706dbb8b4f994b919e247647c3e8853d067b45c /src/gallium/winsys/drm/vmware/core/vmw_screen_ioctl.c | |
parent | d288a30610767f87e3e7c069730d4bc255246568 (diff) | |
parent | 574715d8368f99c0a5720a9676385d58d6cfdf30 (diff) |
Merge commit 'origin/master' into i965g-restart
Conflicts:
SConstruct
configs/default
configs/linux-dri
Diffstat (limited to 'src/gallium/winsys/drm/vmware/core/vmw_screen_ioctl.c')
-rw-r--r-- | src/gallium/winsys/drm/vmware/core/vmw_screen_ioctl.c | 504 |
1 files changed, 504 insertions, 0 deletions
diff --git a/src/gallium/winsys/drm/vmware/core/vmw_screen_ioctl.c b/src/gallium/winsys/drm/vmware/core/vmw_screen_ioctl.c new file mode 100644 index 0000000000..51e455f925 --- /dev/null +++ b/src/gallium/winsys/drm/vmware/core/vmw_screen_ioctl.c @@ -0,0 +1,504 @@ +/********************************************************** + * 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 + * + * Wrappers for DRM ioctl functionlaity used by the rest of the vmw + * drm winsys. + * + * Based on svgaicd_escape.c + */ + + +#include "svga_cmd.h" +#include "util/u_memory.h" +#include "util/u_math.h" +#include "svgadump/svga_dump.h" +#include "vmw_screen.h" +#include "vmw_context.h" +#include "xf86drm.h" +#include "vmwgfx_drm.h" + +#include <sys/mman.h> +#include <errno.h> +#include <unistd.h> + +struct vmw_region +{ + SVGAGuestPtr ptr; + uint32_t handle; + uint64_t map_handle; + void *data; + uint32_t map_count; + int drm_fd; + uint32_t size; +}; + +static void +vmw_check_last_cmd(struct vmw_winsys_screen *vws) +{ + static uint32_t buffer[16384]; + struct drm_vmw_fifo_debug_arg arg; + int ret; + + return; + memset(&arg, 0, sizeof(arg)); + arg.debug_buffer = (unsigned long)buffer; + arg.debug_buffer_size = 65536; + + ret = drmCommandWriteRead(vws->ioctl.drm_fd, DRM_VMW_FIFO_DEBUG, + &arg, sizeof(arg)); + + if (ret) { + debug_printf("%s Ioctl error: \"%s\".\n", __FUNCTION__, strerror(-ret)); + return; + } + + if (arg.did_not_fit) { + debug_printf("%s Command did not fit completely.\n", __FUNCTION__); + } + + svga_dump_commands(buffer, arg.used_size); +} + +static void +vmw_ioctl_fifo_unmap(struct vmw_winsys_screen *vws, void *mapping) +{ + VMW_FUNC; + (void)munmap(mapping, getpagesize()); +} + + +static void * +vmw_ioctl_fifo_map(struct vmw_winsys_screen *vws, + uint32_t fifo_offset ) +{ + void *map; + + VMW_FUNC; + + map = mmap(NULL, getpagesize(), PROT_READ, MAP_SHARED, + vws->ioctl.drm_fd, fifo_offset); + + if (map == MAP_FAILED) { + debug_printf("Map failed %s\n", strerror(errno)); + return NULL; + } + + vmw_printf("Fifo (min) is 0x%08x\n", ((uint32_t *) map)[SVGA_FIFO_MIN]); + + return map; +} + +uint32 +vmw_ioctl_context_create(struct vmw_winsys_screen *vws) +{ + struct drm_vmw_context_arg c_arg; + int ret; + + VMW_FUNC; + + ret = drmCommandRead(vws->ioctl.drm_fd, DRM_VMW_CREATE_CONTEXT, + &c_arg, sizeof(c_arg)); + + if (ret) + return -1; + + vmw_check_last_cmd(vws); + vmw_printf("Context id is %d\n", c_arg.cid); + + return c_arg.cid; +} + +void +vmw_ioctl_context_destroy(struct vmw_winsys_screen *vws, uint32 cid) +{ + struct drm_vmw_context_arg c_arg; + + VMW_FUNC; + + memset(&c_arg, 0, sizeof(c_arg)); + c_arg.cid = cid; + + (void)drmCommandWrite(vws->ioctl.drm_fd, DRM_VMW_UNREF_CONTEXT, + &c_arg, sizeof(c_arg)); + + vmw_check_last_cmd(vws); +} + +uint32 +vmw_ioctl_surface_create(struct vmw_winsys_screen *vws, + SVGA3dSurfaceFlags flags, + SVGA3dSurfaceFormat format, + SVGA3dSize size, + uint32_t numFaces, uint32_t numMipLevels) +{ + union drm_vmw_surface_create_arg s_arg; + struct drm_vmw_surface_create_req *req = &s_arg.req; + struct drm_vmw_surface_arg *rep = &s_arg.rep; + struct drm_vmw_size sizes[DRM_VMW_MAX_SURFACE_FACES* + DRM_VMW_MAX_MIP_LEVELS]; + struct drm_vmw_size *cur_size; + uint32_t iFace; + uint32_t iMipLevel; + int ret; + + vmw_printf("%s flags %d format %d\n", __FUNCTION__, flags, format); + + memset(&s_arg, 0, sizeof(s_arg)); + req->flags = (uint32_t) flags; + req->format = (uint32_t) format; + req->shareable = 1; + + assert(numFaces * numMipLevels < DRM_VMW_MAX_SURFACE_FACES* + DRM_VMW_MAX_MIP_LEVELS); + cur_size = sizes; + for (iFace = 0; iFace < numFaces; ++iFace) { + SVGA3dSize mipSize = size; + + req->mip_levels[iFace] = numMipLevels; + for (iMipLevel = 0; iMipLevel < numMipLevels; ++iMipLevel) { + cur_size->width = mipSize.width; + cur_size->height = mipSize.height; + cur_size->depth = mipSize.depth; + mipSize.width = MAX2(mipSize.width >> 1, 1); + mipSize.height = MAX2(mipSize.height >> 1, 1); + mipSize.depth = MAX2(mipSize.depth >> 1, 1); + cur_size++; + } + } + for (iFace = numFaces; iFace < SVGA3D_MAX_SURFACE_FACES; ++iFace) { + req->mip_levels[iFace] = 0; + } + + req->size_addr = (unsigned long)&sizes; + + ret = drmCommandWriteRead(vws->ioctl.drm_fd, DRM_VMW_CREATE_SURFACE, + &s_arg, sizeof(s_arg)); + + if (ret) + return -1; + + vmw_printf("Surface id is %d\n", rep->sid); + vmw_check_last_cmd(vws); + + return rep->sid; +} + +void +vmw_ioctl_surface_destroy(struct vmw_winsys_screen *vws, uint32 sid) +{ + struct drm_vmw_surface_arg s_arg; + + VMW_FUNC; + + memset(&s_arg, 0, sizeof(s_arg)); + s_arg.sid = sid; + + (void)drmCommandWrite(vws->ioctl.drm_fd, DRM_VMW_UNREF_SURFACE, + &s_arg, sizeof(s_arg)); + vmw_check_last_cmd(vws); + +} + +void +vmw_ioctl_command(struct vmw_winsys_screen *vws, void *commands, uint32_t size, + uint32_t * pfence) +{ + struct drm_vmw_execbuf_arg arg; + struct drm_vmw_fence_rep rep; + int ret; + +#ifdef DEBUG + { + static boolean firsttime = TRUE; + static boolean debug = FALSE; + static boolean skip = FALSE; + if (firsttime) { + debug = debug_get_bool_option("SVGA_DUMP_CMD", FALSE); + skip = debug_get_bool_option("SVGA_SKIP_CMD", FALSE); + } + if (debug) { + VMW_FUNC; + svga_dump_commands(commands, size); + } + firsttime = FALSE; + if (skip) { + size = 0; + } + } +#endif + + memset(&arg, 0, sizeof(arg)); + memset(&rep, 0, sizeof(rep)); + + rep.error = -EFAULT; + arg.fence_rep = (unsigned long)&rep; + arg.commands = (unsigned long)commands; + arg.command_size = size; + + do { + ret = drmCommandWrite(vws->ioctl.drm_fd, DRM_VMW_EXECBUF, &arg, sizeof(arg)); + } while(ret == -ERESTART); + if (ret) { + debug_printf("%s error %s.\n", __FUNCTION__, strerror(-ret)); + } + if (rep.error) { + + /* + * Kernel has synced and put the last fence sequence in the FIFO + * register. + */ + + if (rep.error == -EFAULT) + rep.fence_seq = vws->ioctl.fifo_map[SVGA_FIFO_FENCE]; + + debug_printf("%s Fence error %s.\n", __FUNCTION__, + strerror(-rep.error)); + } + + vws->ioctl.last_fence = rep.fence_seq; + + if (pfence) + *pfence = rep.fence_seq; + vmw_check_last_cmd(vws); + +} + + +struct vmw_region * +vmw_ioctl_region_create(struct vmw_winsys_screen *vws, uint32_t size) +{ + struct vmw_region *region; + 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; + + vmw_printf("%s: size = %u\n", __FUNCTION__, size); + + region = CALLOC_STRUCT(vmw_region); + if (!region) + goto out_err1; + + memset(&arg, 0, sizeof(arg)); + req->size = size; + do { + ret = drmCommandWriteRead(vws->ioctl.drm_fd, DRM_VMW_ALLOC_DMABUF, &arg, + sizeof(arg)); + } while (ret == -ERESTART); + + if (ret) { + debug_printf("IOCTL failed %d: %s\n", ret, strerror(-ret)); + goto out_err1; + } + + region->ptr.gmrId = rep->cur_gmr_id; + region->ptr.offset = rep->cur_gmr_offset; + region->data = NULL; + region->handle = rep->handle; + region->map_handle = rep->map_handle; + region->map_count = 0; + region->size = size; + region->drm_fd = vws->ioctl.drm_fd; + + vmw_printf(" gmrId = %u, offset = %u\n", + region->ptr.gmrId, region->ptr.offset); + + return region; + + out_err1: + FREE(region); + return NULL; +} + +void +vmw_ioctl_region_destroy(struct vmw_region *region) +{ + struct drm_vmw_unref_dmabuf_arg arg; + + vmw_printf("%s: gmrId = %u, offset = %u\n", __FUNCTION__, + region->ptr.gmrId, region->ptr.offset); + + if (region->data) { + munmap(region->data, region->size); + region->data = NULL; + } + + memset(&arg, 0, sizeof(arg)); + arg.handle = region->handle; + drmCommandWrite(region->drm_fd, DRM_VMW_UNREF_DMABUF, &arg, sizeof(arg)); + + FREE(region); +} + +SVGAGuestPtr +vmw_ioctl_region_ptr(struct vmw_region *region) +{ + return region->ptr; +} + +void * +vmw_ioctl_region_map(struct vmw_region *region) +{ + void *map; + + vmw_printf("%s: gmrId = %u, offset = %u\n", __FUNCTION__, + region->ptr.gmrId, region->ptr.offset); + + if (region->data == NULL) { + map = mmap(NULL, region->size, PROT_READ | PROT_WRITE, MAP_SHARED, + region->drm_fd, region->map_handle); + if (map == MAP_FAILED) { + debug_printf("%s: Map failed.\n", __FUNCTION__); + return NULL; + } + + region->data = map; + } + + ++region->map_count; + + return region->data; +} + +void +vmw_ioctl_region_unmap(struct vmw_region *region) +{ + vmw_printf("%s: gmrId = %u, offset = %u\n", __FUNCTION__, + region->ptr.gmrId, region->ptr.offset); + --region->map_count; +} + + +int +vmw_ioctl_fence_signalled(struct vmw_winsys_screen *vws, + uint32_t fence) +{ + uint32_t expected; + uint32_t current; + + assert(fence); + if(!fence) + return 0; + + expected = fence; + current = vws->ioctl.fifo_map[SVGA_FIFO_FENCE]; + + if ((int32)(current - expected) >= 0) + return 0; /* fence passed */ + else + return -1; +} + + +static void +vmw_ioctl_sync(struct vmw_winsys_screen *vws, + uint32_t fence) +{ + uint32_t cur_fence; + struct drm_vmw_fence_wait_arg arg; + int ret; + + vmw_printf("%s: fence = %lu\n", __FUNCTION__, + (unsigned long)fence); + + cur_fence = vws->ioctl.fifo_map[SVGA_FIFO_FENCE]; + vmw_printf("%s: Fence id read is 0x%08x\n", __FUNCTION__, + (unsigned int)cur_fence); + + if ((cur_fence - fence) < (1 << 24)) + return; + + memset(&arg, 0, sizeof(arg)); + arg.sequence = fence; + + do { + ret = drmCommandWriteRead(vws->ioctl.drm_fd, DRM_VMW_FENCE_WAIT, &arg, + sizeof(arg)); + } while (ret == -ERESTART); +} + + +int +vmw_ioctl_fence_finish(struct vmw_winsys_screen *vws, + uint32_t fence) +{ + assert(fence); + + if(fence) { + if(vmw_ioctl_fence_signalled(vws, fence) != 0) { + vmw_ioctl_sync(vws, fence); + } + } + + return 0; +} + + +boolean +vmw_ioctl_init(struct vmw_winsys_screen *vws) +{ + struct drm_vmw_getparam_arg gp_arg; + int ret; + + VMW_FUNC; + + memset(&gp_arg, 0, sizeof(gp_arg)); + gp_arg.param = DRM_VMW_PARAM_FIFO_OFFSET; + ret = drmCommandWriteRead(vws->ioctl.drm_fd, DRM_VMW_GET_PARAM, + &gp_arg, sizeof(gp_arg)); + + if (ret) { + debug_printf("GET_PARAM on %d returned %d: %s\n", + vws->ioctl.drm_fd, ret, strerror(-ret)); + goto out_err1; + } + + vmw_printf("Offset to map is 0x%08llx\n", + (unsigned long long)gp_arg.value); + + vws->ioctl.fifo_map = vmw_ioctl_fifo_map(vws, gp_arg.value); + if (vws->ioctl.fifo_map == NULL) + goto out_err1; + + vmw_printf("%s OK\n", __FUNCTION__); + return TRUE; + + out_err1: + debug_printf("%s Failed\n", __FUNCTION__); + return FALSE; +} + + + +void +vmw_ioctl_cleanup(struct vmw_winsys_screen *vws) +{ + VMW_FUNC; + + vmw_ioctl_fifo_unmap(vws, (void *)vws->ioctl.fifo_map); +} |