diff options
Diffstat (limited to 'libdrm/xf86drm.c')
| -rw-r--r-- | libdrm/xf86drm.c | 340 |
1 files changed, 300 insertions, 40 deletions
diff --git a/libdrm/xf86drm.c b/libdrm/xf86drm.c index 1763b89a..a99c979d 100644 --- a/libdrm/xf86drm.c +++ b/libdrm/xf86drm.c @@ -2501,7 +2501,9 @@ int drmResetList(drmBOList *list) { return drmAdjustListNodes(list); } -static int drmAddListItem(drmBOList *list, drmBO *item, drm_bo_arg_t *arg) +static drmBONode *drmAddListItem(drmBOList *list, drmBO *item, + unsigned long arg0, + unsigned long arg1) { drmBONode *node; drmMMListHead *l; @@ -2510,7 +2512,7 @@ static int drmAddListItem(drmBOList *list, drmBO *item, drm_bo_arg_t *arg) if (l == &list->free) { node = (drmBONode *) malloc(sizeof(*node)); if (!node) { - return -ENOMEM; + return NULL; } list->numCurrent++; } else { @@ -2518,45 +2520,51 @@ static int drmAddListItem(drmBOList *list, drmBO *item, drm_bo_arg_t *arg) node = DRMLISTENTRY(drmBONode, l, head); } node->buf = item; + node->arg0 = arg0; + node->arg1 = arg1; DRMLISTADD(&node->head, &list->list); list->numOnList++; - return 0; + return node; } -int drmCreateBufList(int numTarget, drmBOList *list) +void *drmBOListIterator(drmBOList *list) { - DRMINITLISTHEAD(&list->list); - DRMINITLISTHEAD(&list->free); - list->numTarget = numTarget; - list->numCurrent = 0; - list->numOnList = 0; - return drmAdjustListNodes(list); -} + void *ret = list->list.next; -/* - * Prepare list for IOCTL submission. - */ + if (ret == &list->list) + return NULL; + return ret; +} -static drm_bo_arg_t *drmPrepareList(drmBOList *list) +void *drmBOListNext(drmBOList *list, void *iterator) { - drmMMListHead *cur, *next; - drmBONode *first, *curNode, *nextNode; + void *ret; - cur = list->list.next; - if (cur == &list->list) + drmMMListHead *l = (drmMMListHead *) iterator; + ret = l->next; + if (ret == &list->list) return NULL; + return ret; +} - first = DRMLISTENTRY(drmBONode, cur, head); - curNode = DRMLISTENTRY(drmBONode, cur, head); +void drmBOListBuf(void *iterator, drmBO **buf) +{ + drmBONode *node; + drmMMListHead *l = (drmMMListHead *) iterator; + node = DRMLISTENTRY(drmBONode, l, head); + + *buf = node->buf; +} - for (next = cur->next; next != &list->list; - cur = next, next = cur->next) { - nextNode = DRMLISTENTRY(drmBONode, next, head); - curNode->bo_arg.req.next = ((unsigned long) &nextNode->bo_arg.req); - curNode = nextNode; - } - curNode->bo_arg.req.next = 0; - return &first->bo_arg; + +int drmCreateBufList(int numTarget, drmBOList *list) +{ + DRMINITLISTHEAD(&list->list); + DRMINITLISTHEAD(&list->free); + list->numTarget = numTarget; + list->numCurrent = 0; + list->numOnList = 0; + return drmAdjustListNodes(list); } int drmBOCreate(int fd, drmTTM *ttm, unsigned long start, unsigned long size, @@ -2567,6 +2575,7 @@ int drmBOCreate(int fd, drmTTM *ttm, unsigned long start, unsigned long size, drm_bo_arg_request_t *req = &arg.req; drm_bo_arg_reply_t *rep = &arg.rep; + arg.handled = 0; req->mask = mask; req->hint = hint; req->size = size; @@ -2595,7 +2604,8 @@ int drmBOCreate(int fd, drmTTM *ttm, unsigned long start, unsigned long size, if (ioctl(fd, DRM_IOCTL_BUFOBJ, &arg)) return -errno; - if (!rep->handled) { + if (!arg.handled) { + fprintf(stderr, "Not handled\n"); return -EFAULT; } if (rep->ret) { @@ -2607,7 +2617,6 @@ int drmBOCreate(int fd, drmTTM *ttm, unsigned long start, unsigned long size, buf->size = rep->size; buf->offset = rep->offset; buf->mapHandle = rep->arg_handle; - buf->mapFlags = rep->map_flags; buf->mapVirtual = NULL; buf->mapCount = 0; buf->virtual = NULL; @@ -2623,13 +2632,14 @@ int drmBODestroy(int fd, drmBO *buf) drm_bo_arg_request_t *req = &arg.req; drm_bo_arg_reply_t *rep = &arg.rep; + arg.handled = 0; req->handle = buf->handle; req->op = drm_bo_destroy; req->next = 0; if (ioctl(fd, DRM_IOCTL_BUFOBJ, &arg)) return -errno; - if (!rep->handled) { + if (!arg.handled) { return -EFAULT; } if (rep->ret) { @@ -2647,13 +2657,14 @@ int drmBOReference(int fd, unsigned handle, drmBO *buf) drm_bo_arg_request_t *req = &arg.req; drm_bo_arg_reply_t *rep = &arg.rep; + arg.handled = 0; req->handle = handle; req->op = drm_bo_reference; req->next = 0; if (ioctl(fd, DRM_IOCTL_BUFOBJ, &arg)) return -errno; - if (!rep->handled) { + if (!arg.handled) { return -EFAULT; } if (rep->ret) { @@ -2666,7 +2677,6 @@ int drmBOReference(int fd, unsigned handle, drmBO *buf) buf->size = rep->size; buf->offset = rep->offset; buf->mapHandle = rep->arg_handle; - buf->mapFlags = rep->map_flags; buf->mapVirtual = NULL; buf->mapCount = 0; buf->virtual = NULL; @@ -2681,13 +2691,14 @@ int drmBOUnReference(int fd, drmBO *buf) drm_bo_arg_request_t *req = &arg.req; drm_bo_arg_reply_t *rep = &arg.rep; + arg.handled = 0; req->handle = buf->handle; req->op = drm_bo_unreference; req->next = 0; if (ioctl(fd, DRM_IOCTL_BUFOBJ, &arg)) return -errno; - if (!rep->handled) { + if (!arg.handled) { return -EFAULT; } if (rep->ret) { @@ -2699,10 +2710,13 @@ int drmBOUnReference(int fd, drmBO *buf) } /* - * + * 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, void **address) +int drmBOMap(int fd, drmBO *buf, unsigned mapFlags, unsigned mapHint, + void **address) { drm_bo_arg_t arg; @@ -2714,6 +2728,7 @@ int drmBOMap(int fd, drmBO *buf, unsigned mapFlags, void **address) * Make sure we have a virtual address of the buffer. */ + fprintf(stderr, "Address is 0x%08x\n", address); if (!buf->mapVirtual) { if (buf->mapCount == 0) { drmAddress virtual; @@ -2728,8 +2743,11 @@ int drmBOMap(int fd, drmBO *buf, unsigned mapFlags, void **address) } } + fprintf(stderr, "Address is 0x%08x\n", address); + arg.handled = 0; req->handle = buf->handle; - req->hint = mapFlags; + req->mask = mapFlags; + req->hint = mapHint; req->op = drm_bo_map; req->next = 0; @@ -2738,23 +2756,26 @@ int drmBOMap(int fd, drmBO *buf, unsigned mapFlags, void **address) * This IOCTL synchronizes the buffer. */ + fprintf(stderr, "Address is 0x%08x\n", address); do { ret = ioctl(fd, DRM_IOCTL_BUFOBJ, &arg); } while (ret != 0 && errno == EAGAIN); - if (ret || !rep->handled || rep->ret) { + fprintf(stderr, "Address is 0x%08x\n", address); + if (ret || !arg.handled || rep->ret) { if (--buf->mapCount == 0) { (void )drmUnmap(buf->mapVirtual, buf->start + buf->size); } } if (ret) return ret; - if (!rep->handled) + if (!arg.handled) return -EFAULT; if (rep->ret) return rep->ret; buf->mapFlags = mapFlags; + fprintf(stderr, "Address is 0x%08x\n", address); *address = buf->virtual; return 0; @@ -2764,6 +2785,7 @@ int drmBOUnmap(int fd, drmBO *buf) { drm_bo_arg_t arg; drm_bo_arg_request_t *req = &arg.req; + drm_bo_arg_reply_t *rep = &arg.rep; if (buf->mapCount == 0) { return -EINVAL; @@ -2773,6 +2795,7 @@ int drmBOUnmap(int fd, drmBO *buf) (void) drmUnmap(buf->mapVirtual, buf->start + buf->size); } + arg.handled = 0; req->handle = buf->handle; req->op = drm_bo_unmap; req->next = 0; @@ -2780,10 +2803,247 @@ int drmBOUnmap(int fd, drmBO *buf) if (ioctl(fd, DRM_IOCTL_BUFOBJ, &arg)) { return -errno; } + if (!arg.handled) + return -EFAULT; + if (rep->ret) + return rep->ret; + + return 0; +} + +int drmBOValidate(int fd, drmBO *buf, unsigned flags, unsigned mask, + unsigned hint) +{ + drm_bo_arg_t arg; + drm_bo_arg_request_t *req = &arg.req; + drm_bo_arg_reply_t *rep = &arg.rep; + int ret = 0; + + arg.handled = 0; + req->handle = buf->handle; + req->mask = flags; + req->hint = hint; + req->arg_handle = mask; /* Encode mask in the arg_handle field :/ */ + req->op = drm_bo_validate; + req->next = 0; + + do{ + ret = ioctl(fd, DRM_IOCTL_BUFOBJ, &arg); + } while (ret && errno == -EAGAIN); + + if (ret) + return ret; + if (!arg.handled) + return -EFAULT; + if (rep->ret) + return rep->ret; + + buf->offset = rep->offset; + buf->flags = rep->flags; + buf->mask = rep->mask; + return 0; +} + + +int drmBOFence(int fd, drmBO *buf, unsigned flags, unsigned fenceHandle) +{ + drm_bo_arg_t arg; + drm_bo_arg_request_t *req = &arg.req; + drm_bo_arg_reply_t *rep = &arg.rep; + int ret = 0; + + arg.handled = 0; + req->handle = buf->handle; + req->mask = flags; + req->arg_handle = fenceHandle; + req->op = drm_bo_validate; + req->next = 0; + ret = ioctl(fd, DRM_IOCTL_BUFOBJ, &arg); + + if (ret) + return ret; + if (!arg.handled) + return -EFAULT; + if (rep->ret) + return rep->ret; return 0; } + + +int drmAddValidateItem(drmBOList *list, drmBO *buf, unsigned flags, + unsigned mask, + int *newItem) +{ + drmBONode *node, *cur; + unsigned oldFlags, newFlags; + drmMMListHead *l; + + *newItem = 0; + cur = NULL; + + mask &= ~DRM_BO_MASK_MEM; + + for (l = list->list.next; l != &list->list; l = l->next) { + node = DRMLISTENTRY(drmBONode, l, head); + if (node->buf == buf) { + cur = node; + break; + } + } + if (!cur) { + cur = drmAddListItem(list, buf, flags, mask); + if (!cur) { + drmMsg("Out of memory creating validate list node.\n"); + return -ENOMEM; + } + *newItem = 1; + cur->arg0 = flags; + cur->arg1 = mask; + } else { + unsigned memFlags = cur->arg0 & DRM_BO_MASK_MEM; + + if (!(memFlags & flags)) { + drmMsg("Incompatible memory location requests " + "on validate list.\n"); + return -EINVAL; + } + if ((cur->arg1 | mask) & (cur->arg0 ^ flags)) { + drmMsg("Incompatible buffer flag requests " + " on validate list.\n"); + return -EINVAL; + } + cur->arg1 |= mask; + cur->arg0 = (memFlags & flags) | ((cur->arg0 | flags) & cur->arg1); + } +} + + +int drmBOValidateList(int fd, drmBOList *list) +{ + + drmBONode *node; + drmMMListHead *l; + drm_bo_arg_t *arg, *first; + drm_bo_arg_request_t *req; + drm_bo_arg_reply_t *rep; + drm_u64_t *prevNext = NULL; + drmBO *buf; + int ret; + + first = NULL; + + for (l = list->list.next; l != &list->list; l = l->next) { + node = DRMLISTENTRY(drmBONode, l, head); + + arg = &node->bo_arg; + req = &arg->req; + + if (!first) + first = arg; + + if (prevNext) + *prevNext = (unsigned long) arg; + + req->next = 0; + prevNext = &req->next; + arg->handled = 0; + req->handle = node->buf->handle; + req->op = drm_bo_validate; + req->mask = node->arg0; + req->hint = 0; + req->arg_handle = node->arg1; + } + + if (!first) + return 0; + + do{ + ret = ioctl(fd, DRM_IOCTL_BUFOBJ, &arg); + } while (ret && errno == -EAGAIN); + + if (ret) + return -errno; + + for (l = list->list.next; l != &list->list; l = l->next) { + node = DRMLISTENTRY(drmBONode, l, head); + + arg = &node->bo_arg; + rep = &arg->rep; + + if (!arg->handled) + return -EFAULT; + if (rep->ret) + return rep->ret; + + buf = node->buf; + buf->offset = rep->offset; + buf->flags = rep->flags; + buf->mask = rep->mask; + } + + return 0; +} + + +int drmBOFenceList(int fd, drmBOList *list, unsigned fenceHandle) +{ + + drmBONode *node; + drmMMListHead *l; + drm_bo_arg_t *arg, *first; + drm_bo_arg_request_t *req; + drm_bo_arg_reply_t *rep; + drm_u64_t *prevNext = NULL; + drmBO *buf; + int ret; + + first = NULL; + + for (l = list->list.next; l != &list->list; l = l->next) { + node = DRMLISTENTRY(drmBONode, l, head); + + arg = &node->bo_arg; + req = &arg->req; + + if (!first) + first = arg; + + if (prevNext) + *prevNext = (unsigned long) arg; + + req->next = 0; + prevNext = &req->next; + arg->handled = 0; + req->handle = node->buf->handle; + req->op = drm_bo_fence; + req->mask = node->arg0; + req->arg_handle = fenceHandle; + } + + if (!first) + return 0; + + ret = ioctl(fd, DRM_IOCTL_BUFOBJ, &arg); + + if (ret) + return -errno; + + for (l = list->list.next; l != &list->list; l = l->next) { + node = DRMLISTENTRY(drmBONode, l, head); + + arg = &node->bo_arg; + rep = &arg->rep; + + if (!arg->handled) + return -EFAULT; + if (rep->ret) + return rep->ret; + } + + return 0; +} int drmMMInit(int fd, unsigned long vramPOffset, unsigned long vramPSize, unsigned long ttPOffset, unsigned long ttPSize) |