diff options
Diffstat (limited to 'libdrm/xf86drm.c')
| -rw-r--r-- | libdrm/xf86drm.c | 715 |
1 files changed, 77 insertions, 638 deletions
diff --git a/libdrm/xf86drm.c b/libdrm/xf86drm.c index 7b678138..64765339 100644 --- a/libdrm/xf86drm.c +++ b/libdrm/xf86drm.c @@ -113,7 +113,7 @@ static int drmDebugPrint(const char *format, va_list ap) static int (*drm_debug_print)(const char *format, va_list ap) = drmDebugPrint; -static void +void drmMsg(const char *format, ...) { va_list ap; @@ -174,6 +174,19 @@ static char *drmStrdup(const char *s) return retval; } +/** + * Call ioctl, restarting if it is interupted + */ +static int +drmIoctl(int fd, int request, void *arg) +{ + int ret; + + do { + ret = ioctl(fd, request, arg); + } while (ret == -1 && (errno == EINTR || errno == EAGAIN)); + return ret; +} static unsigned long drmGetKeyFromFd(int fd) { @@ -675,7 +688,7 @@ drmVersionPtr drmGetVersion(int fd) version->desc_len = 0; version->desc = NULL; - if (ioctl(fd, DRM_IOCTL_VERSION, version)) { + if (drmIoctl(fd, DRM_IOCTL_VERSION, version)) { drmFreeKernelVersion(version); return NULL; } @@ -687,7 +700,7 @@ drmVersionPtr drmGetVersion(int fd) if (version->desc_len) version->desc = drmMalloc(version->desc_len + 1); - if (ioctl(fd, DRM_IOCTL_VERSION, version)) { + if (drmIoctl(fd, DRM_IOCTL_VERSION, version)) { drmMsg("DRM_IOCTL_VERSION: %s\n", strerror(errno)); drmFreeKernelVersion(version); return NULL; @@ -773,10 +786,10 @@ char *drmGetBusid(int fd) u.unique_len = 0; u.unique = NULL; - if (ioctl(fd, DRM_IOCTL_GET_UNIQUE, &u)) + if (drmIoctl(fd, DRM_IOCTL_GET_UNIQUE, &u)) return NULL; u.unique = drmMalloc(u.unique_len + 1); - if (ioctl(fd, DRM_IOCTL_GET_UNIQUE, &u)) + if (drmIoctl(fd, DRM_IOCTL_GET_UNIQUE, &u)) return NULL; u.unique[u.unique_len] = '\0'; @@ -803,7 +816,7 @@ int drmSetBusid(int fd, const char *busid) u.unique = (char *)busid; u.unique_len = strlen(busid); - if (ioctl(fd, DRM_IOCTL_SET_UNIQUE, &u)) { + if (drmIoctl(fd, DRM_IOCTL_SET_UNIQUE, &u)) { return -errno; } return 0; @@ -814,7 +827,7 @@ int drmGetMagic(int fd, drm_magic_t * magic) drm_auth_t auth; *magic = 0; - if (ioctl(fd, DRM_IOCTL_GET_MAGIC, &auth)) + if (drmIoctl(fd, DRM_IOCTL_GET_MAGIC, &auth)) return -errno; *magic = auth.magic; return 0; @@ -825,7 +838,7 @@ int drmAuthMagic(int fd, drm_magic_t magic) drm_auth_t auth; auth.magic = magic; - if (ioctl(fd, DRM_IOCTL_AUTH_MAGIC, &auth)) + if (drmIoctl(fd, DRM_IOCTL_AUTH_MAGIC, &auth)) return -errno; return 0; } @@ -890,7 +903,7 @@ int drmAddMap(int fd, drm_handle_t offset, drmSize size, drmMapType type, map.handle = 0; map.type = type; map.flags = flags; - if (ioctl(fd, DRM_IOCTL_ADD_MAP, &map)) + if (drmIoctl(fd, DRM_IOCTL_ADD_MAP, &map)) return -errno; if (handle) *handle = (drm_handle_t)map.handle; @@ -903,7 +916,7 @@ int drmRmMap(int fd, drm_handle_t handle) map.handle = (void *)handle; - if(ioctl(fd, DRM_IOCTL_RM_MAP, &map)) + if(drmIoctl(fd, DRM_IOCTL_RM_MAP, &map)) return -errno; return 0; } @@ -936,7 +949,7 @@ int drmAddBufs(int fd, int count, int size, drmBufDescFlags flags, request.flags = flags; request.agp_start = agp_offset; - if (ioctl(fd, DRM_IOCTL_ADD_BUFS, &request)) + if (drmIoctl(fd, DRM_IOCTL_ADD_BUFS, &request)) return -errno; return request.count; } @@ -949,7 +962,7 @@ int drmMarkBufs(int fd, double low, double high) info.count = 0; info.list = NULL; - if (ioctl(fd, DRM_IOCTL_INFO_BUFS, &info)) + if (drmIoctl(fd, DRM_IOCTL_INFO_BUFS, &info)) return -EINVAL; if (!info.count) @@ -958,7 +971,7 @@ int drmMarkBufs(int fd, double low, double high) if (!(info.list = drmMalloc(info.count * sizeof(*info.list)))) return -ENOMEM; - if (ioctl(fd, DRM_IOCTL_INFO_BUFS, &info)) { + if (drmIoctl(fd, DRM_IOCTL_INFO_BUFS, &info)) { int retval = -errno; drmFree(info.list); return retval; @@ -967,7 +980,7 @@ int drmMarkBufs(int fd, double low, double high) for (i = 0; i < info.count; i++) { info.list[i].low_mark = low * info.list[i].count; info.list[i].high_mark = high * info.list[i].count; - if (ioctl(fd, DRM_IOCTL_MARK_BUFS, &info.list[i])) { + if (drmIoctl(fd, DRM_IOCTL_MARK_BUFS, &info.list[i])) { int retval = -errno; drmFree(info.list); return retval; @@ -999,7 +1012,7 @@ int drmFreeBufs(int fd, int count, int *list) request.count = count; request.list = list; - if (ioctl(fd, DRM_IOCTL_FREE_BUFS, &request)) + if (drmIoctl(fd, DRM_IOCTL_FREE_BUFS, &request)) return -errno; return 0; } @@ -1088,14 +1101,14 @@ drmBufInfoPtr drmGetBufInfo(int fd) info.count = 0; info.list = NULL; - if (ioctl(fd, DRM_IOCTL_INFO_BUFS, &info)) + if (drmIoctl(fd, DRM_IOCTL_INFO_BUFS, &info)) return NULL; if (info.count) { if (!(info.list = drmMalloc(info.count * sizeof(*info.list)))) return NULL; - if (ioctl(fd, DRM_IOCTL_INFO_BUFS, &info)) { + if (drmIoctl(fd, DRM_IOCTL_INFO_BUFS, &info)) { drmFree(info.list); return NULL; } @@ -1139,7 +1152,7 @@ drmBufMapPtr drmMapBufs(int fd) bufs.count = 0; bufs.list = NULL; bufs.virtual = NULL; - if (ioctl(fd, DRM_IOCTL_MAP_BUFS, &bufs)) + if (drmIoctl(fd, DRM_IOCTL_MAP_BUFS, &bufs)) return NULL; if (!bufs.count) @@ -1148,7 +1161,7 @@ drmBufMapPtr drmMapBufs(int fd) if (!(bufs.list = drmMalloc(bufs.count * sizeof(*bufs.list)))) return NULL; - if (ioctl(fd, DRM_IOCTL_MAP_BUFS, &bufs)) { + if (drmIoctl(fd, DRM_IOCTL_MAP_BUFS, &bufs)) { drmFree(bufs.list); return NULL; } @@ -1263,7 +1276,7 @@ int drmGetLock(int fd, drm_context_t context, drmLockFlags flags) if (flags & DRM_HALT_ALL_QUEUES) lock.flags |= _DRM_HALT_ALL_QUEUES; if (flags & DRM_HALT_CUR_QUEUES) lock.flags |= _DRM_HALT_CUR_QUEUES; - while (ioctl(fd, DRM_IOCTL_LOCK, &lock)) + while (drmIoctl(fd, DRM_IOCTL_LOCK, &lock)) ; return 0; } @@ -1286,7 +1299,7 @@ int drmUnlock(int fd, drm_context_t context) lock.context = context; lock.flags = 0; - return ioctl(fd, DRM_IOCTL_UNLOCK, &lock); + return drmIoctl(fd, DRM_IOCTL_UNLOCK, &lock); } drm_context_t *drmGetReservedContextList(int fd, int *count) @@ -1298,7 +1311,7 @@ drm_context_t *drmGetReservedContextList(int fd, int *count) res.count = 0; res.contexts = NULL; - if (ioctl(fd, DRM_IOCTL_RES_CTX, &res)) + if (drmIoctl(fd, DRM_IOCTL_RES_CTX, &res)) return NULL; if (!res.count) @@ -1312,7 +1325,7 @@ drm_context_t *drmGetReservedContextList(int fd, int *count) } res.contexts = list; - if (ioctl(fd, DRM_IOCTL_RES_CTX, &res)) + if (drmIoctl(fd, DRM_IOCTL_RES_CTX, &res)) return NULL; for (i = 0; i < res.count; i++) @@ -1351,7 +1364,7 @@ int drmCreateContext(int fd, drm_context_t *handle) drm_ctx_t ctx; ctx.flags = 0; /* Modified with functions below */ - if (ioctl(fd, DRM_IOCTL_ADD_CTX, &ctx)) + if (drmIoctl(fd, DRM_IOCTL_ADD_CTX, &ctx)) return -errno; *handle = ctx.handle; return 0; @@ -1362,7 +1375,7 @@ int drmSwitchToContext(int fd, drm_context_t context) drm_ctx_t ctx; ctx.handle = context; - if (ioctl(fd, DRM_IOCTL_SWITCH_CTX, &ctx)) + if (drmIoctl(fd, DRM_IOCTL_SWITCH_CTX, &ctx)) return -errno; return 0; } @@ -1383,7 +1396,7 @@ int drmSetContextFlags(int fd, drm_context_t context, drm_context_tFlags flags) ctx.flags |= _DRM_CONTEXT_PRESERVED; if (flags & DRM_CONTEXT_2DONLY) ctx.flags |= _DRM_CONTEXT_2DONLY; - if (ioctl(fd, DRM_IOCTL_MOD_CTX, &ctx)) + if (drmIoctl(fd, DRM_IOCTL_MOD_CTX, &ctx)) return -errno; return 0; } @@ -1394,7 +1407,7 @@ int drmGetContextFlags(int fd, drm_context_t context, drm_ctx_t ctx; ctx.handle = context; - if (ioctl(fd, DRM_IOCTL_GET_CTX, &ctx)) + if (drmIoctl(fd, DRM_IOCTL_GET_CTX, &ctx)) return -errno; *flags = 0; if (ctx.flags & _DRM_CONTEXT_PRESERVED) @@ -1425,7 +1438,7 @@ int drmDestroyContext(int fd, drm_context_t handle) { drm_ctx_t ctx; ctx.handle = handle; - if (ioctl(fd, DRM_IOCTL_RM_CTX, &ctx)) + if (drmIoctl(fd, DRM_IOCTL_RM_CTX, &ctx)) return -errno; return 0; } @@ -1433,7 +1446,7 @@ int drmDestroyContext(int fd, drm_context_t handle) int drmCreateDrawable(int fd, drm_drawable_t *handle) { drm_draw_t draw; - if (ioctl(fd, DRM_IOCTL_ADD_DRAW, &draw)) + if (drmIoctl(fd, DRM_IOCTL_ADD_DRAW, &draw)) return -errno; *handle = draw.handle; return 0; @@ -1443,7 +1456,7 @@ int drmDestroyDrawable(int fd, drm_drawable_t handle) { drm_draw_t draw; draw.handle = handle; - if (ioctl(fd, DRM_IOCTL_RM_DRAW, &draw)) + if (drmIoctl(fd, DRM_IOCTL_RM_DRAW, &draw)) return -errno; return 0; } @@ -1459,7 +1472,7 @@ int drmUpdateDrawableInfo(int fd, drm_drawable_t handle, update.num = num; update.data = (unsigned long long)(unsigned long)data; - if (ioctl(fd, DRM_IOCTL_UPDATE_DRAW, &update)) + if (drmIoctl(fd, DRM_IOCTL_UPDATE_DRAW, &update)) return -errno; return 0; @@ -1479,7 +1492,7 @@ int drmUpdateDrawableInfo(int fd, drm_drawable_t handle, */ int drmAgpAcquire(int fd) { - if (ioctl(fd, DRM_IOCTL_AGP_ACQUIRE, NULL)) + if (drmIoctl(fd, DRM_IOCTL_AGP_ACQUIRE, NULL)) return -errno; return 0; } @@ -1497,7 +1510,7 @@ int drmAgpAcquire(int fd) */ int drmAgpRelease(int fd) { - if (ioctl(fd, DRM_IOCTL_AGP_RELEASE, NULL)) + if (drmIoctl(fd, DRM_IOCTL_AGP_RELEASE, NULL)) return -errno; return 0; } @@ -1520,7 +1533,7 @@ int drmAgpEnable(int fd, unsigned long mode) drm_agp_mode_t m; m.mode = mode; - if (ioctl(fd, DRM_IOCTL_AGP_ENABLE, &m)) + if (drmIoctl(fd, DRM_IOCTL_AGP_ENABLE, &m)) return -errno; return 0; } @@ -1551,7 +1564,7 @@ int drmAgpAlloc(int fd, unsigned long size, unsigned long type, b.size = size; b.handle = 0; b.type = type; - if (ioctl(fd, DRM_IOCTL_AGP_ALLOC, &b)) + if (drmIoctl(fd, DRM_IOCTL_AGP_ALLOC, &b)) return -errno; if (address != 0UL) *address = b.physical; @@ -1578,7 +1591,7 @@ int drmAgpFree(int fd, drm_handle_t handle) b.size = 0; b.handle = handle; - if (ioctl(fd, DRM_IOCTL_AGP_FREE, &b)) + if (drmIoctl(fd, DRM_IOCTL_AGP_FREE, &b)) return -errno; return 0; } @@ -1603,7 +1616,7 @@ int drmAgpBind(int fd, drm_handle_t handle, unsigned long offset) b.handle = handle; b.offset = offset; - if (ioctl(fd, DRM_IOCTL_AGP_BIND, &b)) + if (drmIoctl(fd, DRM_IOCTL_AGP_BIND, &b)) return -errno; return 0; } @@ -1627,7 +1640,7 @@ int drmAgpUnbind(int fd, drm_handle_t handle) b.handle = handle; b.offset = 0; - if (ioctl(fd, DRM_IOCTL_AGP_UNBIND, &b)) + if (drmIoctl(fd, DRM_IOCTL_AGP_UNBIND, &b)) return -errno; return 0; } @@ -1648,7 +1661,7 @@ int drmAgpVersionMajor(int fd) { drm_agp_info_t i; - if (ioctl(fd, DRM_IOCTL_AGP_INFO, &i)) + if (drmIoctl(fd, DRM_IOCTL_AGP_INFO, &i)) return -errno; return i.agp_version_major; } @@ -1669,7 +1682,7 @@ int drmAgpVersionMinor(int fd) { drm_agp_info_t i; - if (ioctl(fd, DRM_IOCTL_AGP_INFO, &i)) + if (drmIoctl(fd, DRM_IOCTL_AGP_INFO, &i)) return -errno; return i.agp_version_minor; } @@ -1690,7 +1703,7 @@ unsigned long drmAgpGetMode(int fd) { drm_agp_info_t i; - if (ioctl(fd, DRM_IOCTL_AGP_INFO, &i)) + if (drmIoctl(fd, DRM_IOCTL_AGP_INFO, &i)) return 0; return i.mode; } @@ -1711,7 +1724,7 @@ unsigned long drmAgpBase(int fd) { drm_agp_info_t i; - if (ioctl(fd, DRM_IOCTL_AGP_INFO, &i)) + if (drmIoctl(fd, DRM_IOCTL_AGP_INFO, &i)) return 0; return i.aperture_base; } @@ -1732,7 +1745,7 @@ unsigned long drmAgpSize(int fd) { drm_agp_info_t i; - if (ioctl(fd, DRM_IOCTL_AGP_INFO, &i)) + if (drmIoctl(fd, DRM_IOCTL_AGP_INFO, &i)) return 0; return i.aperture_size; } @@ -1753,7 +1766,7 @@ unsigned long drmAgpMemoryUsed(int fd) { drm_agp_info_t i; - if (ioctl(fd, DRM_IOCTL_AGP_INFO, &i)) + if (drmIoctl(fd, DRM_IOCTL_AGP_INFO, &i)) return 0; return i.memory_used; } @@ -1774,7 +1787,7 @@ unsigned long drmAgpMemoryAvail(int fd) { drm_agp_info_t i; - if (ioctl(fd, DRM_IOCTL_AGP_INFO, &i)) + if (drmIoctl(fd, DRM_IOCTL_AGP_INFO, &i)) return 0; return i.memory_allowed; } @@ -1795,7 +1808,7 @@ unsigned int drmAgpVendorId(int fd) { drm_agp_info_t i; - if (ioctl(fd, DRM_IOCTL_AGP_INFO, &i)) + if (drmIoctl(fd, DRM_IOCTL_AGP_INFO, &i)) return 0; return i.id_vendor; } @@ -1816,7 +1829,7 @@ unsigned int drmAgpDeviceId(int fd) { drm_agp_info_t i; - if (ioctl(fd, DRM_IOCTL_AGP_INFO, &i)) + if (drmIoctl(fd, DRM_IOCTL_AGP_INFO, &i)) return 0; return i.id_device; } @@ -1828,7 +1841,7 @@ int drmScatterGatherAlloc(int fd, unsigned long size, drm_handle_t *handle) *handle = 0; sg.size = size; sg.handle = 0; - if (ioctl(fd, DRM_IOCTL_SG_ALLOC, &sg)) + if (drmIoctl(fd, DRM_IOCTL_SG_ALLOC, &sg)) return -errno; *handle = sg.handle; return 0; @@ -1840,7 +1853,7 @@ int drmScatterGatherFree(int fd, drm_handle_t handle) sg.size = 0; sg.handle = handle; - if (ioctl(fd, DRM_IOCTL_SG_FREE, &sg)) + if (drmIoctl(fd, DRM_IOCTL_SG_FREE, &sg)) return -errno; return 0; } @@ -1861,7 +1874,7 @@ int drmWaitVBlank(int fd, drmVBlankPtr vbl) int ret; do { - ret = ioctl(fd, DRM_IOCTL_WAIT_VBLANK, vbl); + ret = drmIoctl(fd, DRM_IOCTL_WAIT_VBLANK, vbl); vbl->request.type &= ~DRM_VBLANK_RELATIVE; } while (ret && errno == EINTR); @@ -1911,7 +1924,7 @@ int drmCtlInstHandler(int fd, int irq) ctl.func = DRM_INST_HANDLER; ctl.irq = irq; - if (ioctl(fd, DRM_IOCTL_CONTROL, &ctl)) + if (drmIoctl(fd, DRM_IOCTL_CONTROL, &ctl)) return -errno; return 0; } @@ -1934,7 +1947,7 @@ int drmCtlUninstHandler(int fd) ctl.func = DRM_UNINST_HANDLER; ctl.irq = 0; - if (ioctl(fd, DRM_IOCTL_CONTROL, &ctl)) + if (drmIoctl(fd, DRM_IOCTL_CONTROL, &ctl)) return -errno; return 0; } @@ -1951,7 +1964,7 @@ int drmFinish(int fd, int context, drmLockFlags flags) if (flags & DRM_LOCK_FLUSH_ALL) lock.flags |= _DRM_LOCK_FLUSH_ALL; if (flags & DRM_HALT_ALL_QUEUES) lock.flags |= _DRM_HALT_ALL_QUEUES; if (flags & DRM_HALT_CUR_QUEUES) lock.flags |= _DRM_HALT_CUR_QUEUES; - if (ioctl(fd, DRM_IOCTL_FINISH, &lock)) + if (drmIoctl(fd, DRM_IOCTL_FINISH, &lock)) return -errno; return 0; } @@ -1977,7 +1990,7 @@ int drmGetInterruptFromBusID(int fd, int busnum, int devnum, int funcnum) p.busnum = busnum; p.devnum = devnum; p.funcnum = funcnum; - if (ioctl(fd, DRM_IOCTL_IRQ_BUSID, &p)) + if (drmIoctl(fd, DRM_IOCTL_IRQ_BUSID, &p)) return -errno; return p.irq; } @@ -2019,7 +2032,7 @@ int drmAddContextPrivateMapping(int fd, drm_context_t ctx_id, map.ctx_id = ctx_id; map.handle = (void *)handle; - if (ioctl(fd, DRM_IOCTL_SET_SAREA_CTX, &map)) + if (drmIoctl(fd, DRM_IOCTL_SET_SAREA_CTX, &map)) return -errno; return 0; } @@ -2031,7 +2044,7 @@ int drmGetContextPrivateMapping(int fd, drm_context_t ctx_id, map.ctx_id = ctx_id; - if (ioctl(fd, DRM_IOCTL_GET_SAREA_CTX, &map)) + if (drmIoctl(fd, DRM_IOCTL_GET_SAREA_CTX, &map)) return -errno; if (handle) *handle = (drm_handle_t)map.handle; @@ -2046,7 +2059,7 @@ int drmGetMap(int fd, int idx, drm_handle_t *offset, drmSize *size, drm_map_t map; map.offset = idx; - if (ioctl(fd, DRM_IOCTL_GET_MAP, &map)) + if (drmIoctl(fd, DRM_IOCTL_GET_MAP, &map)) return -errno; *offset = map.offset; *size = map.size; @@ -2063,7 +2076,7 @@ int drmGetClient(int fd, int idx, int *auth, int *pid, int *uid, drm_client_t client; client.idx = idx; - if (ioctl(fd, DRM_IOCTL_GET_CLIENT, &client)) + if (drmIoctl(fd, DRM_IOCTL_GET_CLIENT, &client)) return -errno; *auth = client.auth; *pid = client.pid; @@ -2078,7 +2091,7 @@ int drmGetStats(int fd, drmStatsT *stats) drm_stats_t s; int i; - if (ioctl(fd, DRM_IOCTL_GET_STATS, &s)) + if (drmIoctl(fd, DRM_IOCTL_GET_STATS, &s)) return -errno; stats->count = 0; @@ -2220,7 +2233,7 @@ int drmSetInterfaceVersion(int fd, drmSetVersion *version) sv.drm_dd_major = version->drm_dd_major; sv.drm_dd_minor = version->drm_dd_minor; - if (ioctl(fd, DRM_IOCTL_SET_VERSION, &sv)) { + if (drmIoctl(fd, DRM_IOCTL_SET_VERSION, &sv)) { retcode = -errno; } @@ -2251,7 +2264,7 @@ int drmCommandNone(int fd, unsigned long drmCommandIndex) request = DRM_IO( DRM_COMMAND_BASE + drmCommandIndex); - if (ioctl(fd, request, data)) { + if (drmIoctl(fd, request, data)) { return -errno; } return 0; @@ -2280,7 +2293,7 @@ int drmCommandRead(int fd, unsigned long drmCommandIndex, void *data, request = DRM_IOC( DRM_IOC_READ, DRM_IOCTL_BASE, DRM_COMMAND_BASE + drmCommandIndex, size); - if (ioctl(fd, request, data)) { + if (drmIoctl(fd, request, data)) { return -errno; } return 0; @@ -2309,7 +2322,7 @@ int drmCommandWrite(int fd, unsigned long drmCommandIndex, void *data, request = DRM_IOC( DRM_IOC_WRITE, DRM_IOCTL_BASE, DRM_COMMAND_BASE + drmCommandIndex, size); - if (ioctl(fd, request, data)) { + if (drmIoctl(fd, request, data)) { return -errno; } return 0; @@ -2338,585 +2351,11 @@ int drmCommandWriteRead(int fd, unsigned long drmCommandIndex, void *data, request = DRM_IOC( DRM_IOC_READ|DRM_IOC_WRITE, DRM_IOCTL_BASE, DRM_COMMAND_BASE + drmCommandIndex, size); - if (ioctl(fd, request, data)) { - return -errno; - } - return 0; -} - - -/* - * Valid flags are - * DRM_FENCE_FLAG_EMIT - * DRM_FENCE_FLAG_SHAREABLE - * DRM_FENCE_MASK_DRIVER - */ - -int drmFenceCreate(int fd, unsigned flags, int fence_class, unsigned type, - drmFence *fence) -{ - drm_fence_arg_t arg; - - memset(&arg, 0, sizeof(arg)); - arg.flags = flags; - arg.type = type; - arg.fence_class = fence_class; - - if (ioctl(fd, DRM_IOCTL_FENCE_CREATE, &arg)) - return -errno; - fence->handle = arg.handle; - fence->fence_class = arg.fence_class; - fence->type = arg.type; - fence->flags = arg.flags; - fence->signaled = 0; - return 0; -} - -/* - * Valid flags are - * DRM_FENCE_FLAG_SHAREABLE - * DRM_FENCE_MASK_DRIVER - */ - -int drmFenceBuffers(int fd, unsigned flags, uint32_t fence_class, drmFence *fence) -{ - drm_fence_arg_t arg; - - memset(&arg, 0, sizeof(arg)); - arg.flags = flags; - arg.fence_class = fence_class; - - if (ioctl(fd, DRM_IOCTL_FENCE_BUFFERS, &arg)) - return -errno; - fence->handle = arg.handle; - fence->fence_class = arg.fence_class; - fence->type = arg.type; - fence->flags = arg.flags; - fence->sequence = arg.sequence; - fence->signaled = 0; - return 0; -} - -int drmFenceReference(int fd, unsigned handle, drmFence *fence) -{ - drm_fence_arg_t arg; - - memset(&arg, 0, sizeof(arg)); - arg.handle = handle; - - if (ioctl(fd, DRM_IOCTL_FENCE_REFERENCE, &arg)) - return -errno; - fence->handle = arg.handle; - fence->fence_class = arg.fence_class; - fence->type = arg.type; - fence->flags = arg.flags; - fence->signaled = arg.signaled; - return 0; -} - -int drmFenceUnreference(int fd, const drmFence *fence) -{ - drm_fence_arg_t arg; - - memset(&arg, 0, sizeof(arg)); - arg.handle = fence->handle; - - if (ioctl(fd, DRM_IOCTL_FENCE_UNREFERENCE, &arg)) - return -errno; - return 0; -} - -int drmFenceFlush(int fd, drmFence *fence, unsigned flush_type) -{ - drm_fence_arg_t arg; - - memset(&arg, 0, sizeof(arg)); - arg.handle = fence->handle; - arg.type = flush_type; - - if (ioctl(fd, DRM_IOCTL_FENCE_FLUSH, &arg)) - return -errno; - fence->fence_class = arg.fence_class; - fence->type = arg.type; - fence->signaled = arg.signaled; - return arg.error; -} - -int drmFenceUpdate(int fd, drmFence *fence) -{ - drm_fence_arg_t arg; - - memset(&arg, 0, sizeof(arg)); - arg.handle = fence->handle; - - if (ioctl(fd, DRM_IOCTL_FENCE_SIGNALED, &arg)) - return -errno; - fence->fence_class = arg.fence_class; - fence->type = arg.type; - fence->signaled = arg.signaled; - return 0; -} - -int drmFenceSignaled(int fd, drmFence *fence, unsigned fenceType, - int *signaled) -{ - if ((fence->flags & DRM_FENCE_FLAG_SHAREABLE) || - ((fenceType & fence->signaled) != fenceType)) { - int ret = drmFenceFlush(fd, fence, fenceType); - if (ret) - return ret; - } - - *signaled = ((fenceType & fence->signaled) == fenceType); - - return 0; -} - -/* - * Valid flags are - * DRM_FENCE_FLAG_SHAREABLE - * DRM_FENCE_MASK_DRIVER - */ - - -int drmFenceEmit(int fd, unsigned flags, drmFence *fence, unsigned emit_type) -{ - drm_fence_arg_t arg; - - memset(&arg, 0, sizeof(arg)); - arg.fence_class = fence->fence_class; - arg.flags = flags; - arg.handle = fence->handle; - arg.type = emit_type; - - if (ioctl(fd, DRM_IOCTL_FENCE_EMIT, &arg)) - return -errno; - fence->fence_class = arg.fence_class; - fence->type = arg.type; - fence->signaled = arg.signaled; - fence->sequence = arg.sequence; - return 0; -} - -/* - * Valid flags are - * DRM_FENCE_FLAG_WAIT_LAZY - * DRM_FENCE_FLAG_WAIT_IGNORE_SIGNALS - */ - -#define DRM_IOCTL_TIMEOUT_USEC 3000000UL - -static unsigned long -drmTimeDiff(struct timeval *now, struct timeval *then) -{ - uint64_t val; - - val = now->tv_sec - then->tv_sec; - val *= 1000000LL; - val += now->tv_usec; - val -= then->tv_usec; - - return (unsigned long) val; -} - -static int -drmIoctlTimeout(int fd, unsigned long request, void *argp) -{ - int haveThen = 0; - struct timeval then, now; - int ret; - - do { - ret = ioctl(fd, request, argp); - if (ret != 0 && errno == EAGAIN) { - if (!haveThen) { - gettimeofday(&then, NULL); - haveThen = 1; - } - gettimeofday(&now, NULL); - } - } while (ret != 0 && errno == EAGAIN && - drmTimeDiff(&now, &then) < DRM_IOCTL_TIMEOUT_USEC); - - if (ret != 0) - return ((errno == EAGAIN) ? -EBUSY : -errno); - - return 0; -} - - - - -int drmFenceWait(int fd, unsigned flags, drmFence *fence, unsigned flush_type) -{ - drm_fence_arg_t arg; - int ret; - - if (flush_type == 0) { - flush_type = fence->type; - } - - if (!(fence->flags & DRM_FENCE_FLAG_SHAREABLE)) { - if ((flush_type & fence->signaled) == flush_type) { - return 0; - } - } - - memset(&arg, 0, sizeof(arg)); - arg.handle = fence->handle; - arg.type = flush_type; - arg.flags = flags; - - - ret = drmIoctlTimeout(fd, DRM_IOCTL_FENCE_WAIT, &arg); - if (ret) - return ret; - - fence->fence_class = arg.fence_class; - fence->type = arg.type; - fence->signaled = arg.signaled; - return arg.error; -} - -static void drmBOCopyReply(const struct drm_bo_info_rep *rep, drmBO *buf) -{ - buf->handle = rep->handle; - buf->flags = rep->flags; - buf->size = rep->size; - buf->offset = rep->offset; - buf->mapHandle = rep->arg_handle; - buf->proposedFlags = rep->proposed_flags; - buf->start = rep->buffer_start; - buf->fenceFlags = rep->fence_flags; - buf->replyFlags = rep->rep_flags; - buf->pageAlignment = rep->page_alignment; - buf->tileInfo = rep->tile_info; - buf->hwTileStride = rep->hw_tile_stride; - buf->desiredTileStride = rep->desired_tile_stride; -} - - - -int drmBOCreate(int fd, unsigned long size, - unsigned pageAlignment, void *user_buffer, - uint64_t flags, - unsigned hint, drmBO *buf) -{ - struct drm_bo_create_arg arg; - struct drm_bo_create_req *req = &arg.d.req; - struct drm_bo_info_rep *rep = &arg.d.rep; - int ret; - - memset(buf, 0, sizeof(*buf)); - memset(&arg, 0, sizeof(arg)); - req->flags = flags; - req->hint = hint; - req->size = size; - req->page_alignment = pageAlignment; - req->buffer_start = (unsigned long) user_buffer; - - buf->virtual = NULL; - - ret = drmIoctlTimeout(fd, DRM_IOCTL_BO_CREATE, &arg); - if (ret) - return ret; - - drmBOCopyReply(rep, buf); - buf->virtual = user_buffer; - buf->mapCount = 0; - - return 0; -} - -int drmBOReference(int fd, unsigned handle, drmBO *buf) -{ - struct drm_bo_reference_info_arg arg; - struct drm_bo_handle_arg *req = &arg.d.req; - struct drm_bo_info_rep *rep = &arg.d.rep; - - memset(&arg, 0, sizeof(arg)); - req->handle = handle; - - if (ioctl(fd, DRM_IOCTL_BO_REFERENCE, &arg)) + if (drmIoctl(fd, request, data)) return -errno; - - drmBOCopyReply(rep, buf); - buf->mapVirtual = NULL; - buf->mapCount = 0; - buf->virtual = NULL; - return 0; } -int drmBOUnreference(int fd, drmBO *buf) -{ - struct drm_bo_handle_arg arg; - - if (buf->mapVirtual && buf->mapHandle) { - (void) munmap(buf->mapVirtual, buf->start + buf->size); - buf->mapVirtual = NULL; - buf->virtual = NULL; - } - - memset(&arg, 0, sizeof(arg)); - arg.handle = buf->handle; - - if (ioctl(fd, DRM_IOCTL_BO_UNREFERENCE, &arg)) - return -errno; - - buf->handle = 0; - return 0; -} - - -/* - * Flags can be DRM_BO_FLAG_READ, DRM_BO_FLAG_WRITE or'ed together - * Hint currently be DRM_BO_HINT_DONT_BLOCK, which makes the - * call return an -EBUSY if it can' immediately honor the mapping request. - */ - -int drmBOMap(int fd, drmBO *buf, unsigned mapFlags, unsigned mapHint, - void **address) -{ - struct drm_bo_map_wait_idle_arg arg; - struct drm_bo_info_req *req = &arg.d.req; - struct drm_bo_info_rep *rep = &arg.d.rep; - int ret = 0; - - /* - * Make sure we have a virtual address of the buffer. - */ - - if (!buf->virtual) { - drmAddress virtual; - virtual = mmap(0, buf->size + buf->start, - PROT_READ | PROT_WRITE, MAP_SHARED, - fd, buf->mapHandle); - if (virtual == MAP_FAILED) { - ret = -errno; - } - if (ret) - return ret; - buf->mapVirtual = virtual; - buf->virtual = ((char *) virtual) + buf->start; - } - - memset(&arg, 0, sizeof(arg)); - req->handle = buf->handle; - req->mask = mapFlags; - req->hint = mapHint; - - /* - * May hang if the buffer object is busy. - * This IOCTL synchronizes the buffer. - */ - - ret = drmIoctlTimeout(fd, DRM_IOCTL_BO_MAP, &arg); - if (ret) - return ret; - - drmBOCopyReply(rep, buf); - buf->mapFlags = mapFlags; - ++buf->mapCount; - *address = buf->virtual; - - return 0; -} - - -int drmBOUnmap(int fd, drmBO *buf) -{ - struct drm_bo_handle_arg arg; - - memset(&arg, 0, sizeof(arg)); - arg.handle = buf->handle; - - if (ioctl(fd, DRM_IOCTL_BO_UNMAP, &arg)) { - return -errno; - } - buf->mapCount--; - return 0; -} - -int drmBOSetStatus(int fd, drmBO *buf, - uint64_t flags, uint64_t mask, - unsigned int hint, - unsigned int desired_tile_stride, - unsigned int tile_info) -{ - - struct drm_bo_map_wait_idle_arg arg; - struct drm_bo_info_req *req = &arg.d.req; - struct drm_bo_info_rep *rep = &arg.d.rep; - int ret = 0; - - memset(&arg, 0, sizeof(arg)); - req->mask = mask; - req->flags = flags; - req->handle = buf->handle; - req->hint = hint; - req->desired_tile_stride = desired_tile_stride; - req->tile_info = tile_info; - - ret = drmIoctlTimeout(fd, DRM_IOCTL_BO_SETSTATUS, &arg); - if (ret) - return ret; - - drmBOCopyReply(rep, buf); - return 0; -} - - -int drmBOInfo(int fd, drmBO *buf) -{ - struct drm_bo_reference_info_arg arg; - struct drm_bo_handle_arg *req = &arg.d.req; - struct drm_bo_info_rep *rep = &arg.d.rep; - int ret = 0; - - memset(&arg, 0, sizeof(arg)); - req->handle = buf->handle; - - ret = ioctl(fd, DRM_IOCTL_BO_INFO, &arg); - if (ret) - return -errno; - - drmBOCopyReply(rep, buf); - return 0; -} - -int drmBOWaitIdle(int fd, drmBO *buf, unsigned hint) -{ - struct drm_bo_map_wait_idle_arg arg; - struct drm_bo_info_req *req = &arg.d.req; - struct drm_bo_info_rep *rep = &arg.d.rep; - int ret = 0; - - if ((buf->flags & DRM_BO_FLAG_SHAREABLE) || - (buf->replyFlags & DRM_BO_REP_BUSY)) { - memset(&arg, 0, sizeof(arg)); - req->handle = buf->handle; - req->hint = hint; - - ret = drmIoctlTimeout(fd, DRM_IOCTL_BO_WAIT_IDLE, &arg); - if (ret) - return ret; - - drmBOCopyReply(rep, buf); - } - return 0; -} - -int drmBOBusy(int fd, drmBO *buf, int *busy) -{ - int ret = drmBOInfo(fd, buf); - - if (ret) - return ret; - - *busy = (buf->replyFlags & DRM_BO_REP_BUSY); - return 0; -} - -int drmMMInit(int fd, unsigned long pOffset, unsigned long pSize, - unsigned memType) -{ - struct drm_mm_init_arg arg; - - memset(&arg, 0, sizeof(arg)); - - arg.magic = DRM_BO_INIT_MAGIC; - arg.major = DRM_BO_INIT_MAJOR; - arg.minor = DRM_BO_INIT_MINOR; - arg.p_offset = pOffset; - arg.p_size = pSize; - arg.mem_type = memType; - - if (ioctl(fd, DRM_IOCTL_MM_INIT, &arg)) - return -errno; - return 0; -} - -int drmMMTakedown(int fd, unsigned memType) -{ - struct drm_mm_type_arg arg; - - memset(&arg, 0, sizeof(arg)); - arg.mem_type = memType; - - if (ioctl(fd, DRM_IOCTL_MM_TAKEDOWN, &arg)) - return -errno; - return 0; -} - -/* - * If this function returns an error, and lockBM was set to 1, - * the buffer manager is NOT locked. - */ - -int drmMMLock(int fd, unsigned memType, int lockBM, int ignoreNoEvict) -{ - struct drm_mm_type_arg arg; - - memset(&arg, 0, sizeof(arg)); - arg.mem_type = memType; - arg.lock_flags |= (lockBM) ? DRM_BO_LOCK_UNLOCK_BM : 0; - arg.lock_flags |= (ignoreNoEvict) ? DRM_BO_LOCK_IGNORE_NO_EVICT : 0; - - return drmIoctlTimeout(fd, DRM_IOCTL_MM_LOCK, &arg); -} - -int drmMMUnlock(int fd, unsigned memType, int unlockBM) -{ - struct drm_mm_type_arg arg; - - memset(&arg, 0, sizeof(arg)); - - arg.mem_type = memType; - arg.lock_flags |= (unlockBM) ? DRM_BO_LOCK_UNLOCK_BM : 0; - - return drmIoctlTimeout(fd, DRM_IOCTL_MM_UNLOCK, &arg); -} - -int drmMMInfo(int fd, unsigned memType, uint64_t *size) -{ - struct drm_mm_info_arg arg; - - memset(&arg, 0, sizeof(arg)); - - arg.mem_type = memType; - - if (ioctl(fd, DRM_IOCTL_MM_INFO, &arg)) - return -errno; - - *size = arg.p_size; - return 0; -} - -int drmBOVersion(int fd, unsigned int *major, - unsigned int *minor, - unsigned int *patchlevel) -{ - struct drm_bo_version_arg arg; - int ret; - - memset(&arg, 0, sizeof(arg)); - ret = ioctl(fd, DRM_IOCTL_BO_VERSION, &arg); - if (ret) - return -errno; - - if (major) - *major = arg.major; - if (minor) - *minor = arg.minor; - if (patchlevel) - *patchlevel = arg.patchlevel; - - return 0; -} - - - #define DRM_MAX_FDS 16 static struct { char *BusID; |