diff options
Diffstat (limited to 'drivers/gpu/drm/drm_ioc32.c')
| -rw-r--r-- | drivers/gpu/drm/drm_ioc32.c | 613 |
1 files changed, 2 insertions, 611 deletions
diff --git a/drivers/gpu/drm/drm_ioc32.c b/drivers/gpu/drm/drm_ioc32.c index 025dc558c9..129e2b91db 100644 --- a/drivers/gpu/drm/drm_ioc32.c +++ b/drivers/gpu/drm/drm_ioc32.c @@ -31,12 +31,12 @@ #include <linux/ratelimit.h> #include <linux/export.h> +#include <drm/drm_device.h> #include <drm/drm_file.h> #include <drm/drm_print.h> #include "drm_crtc_internal.h" #include "drm_internal.h" -#include "drm_legacy.h" #define DRM_IOCTL_VERSION32 DRM_IOWR(0x00, drm_version32_t) #define DRM_IOCTL_GET_UNIQUE32 DRM_IOWR(0x01, drm_unique32_t) @@ -163,92 +163,6 @@ static int compat_drm_setunique(struct file *file, unsigned int cmd, return -EINVAL; } -#if IS_ENABLED(CONFIG_DRM_LEGACY) -typedef struct drm_map32 { - u32 offset; /* Requested physical address (0 for SAREA) */ - u32 size; /* Requested physical size (bytes) */ - enum drm_map_type type; /* Type of memory to map */ - enum drm_map_flags flags; /* Flags */ - u32 handle; /* User-space: "Handle" to pass to mmap() */ - int mtrr; /* MTRR slot used */ -} drm_map32_t; - -static int compat_drm_getmap(struct file *file, unsigned int cmd, - unsigned long arg) -{ - drm_map32_t __user *argp = (void __user *)arg; - drm_map32_t m32; - struct drm_map map; - int err; - - if (copy_from_user(&m32, argp, sizeof(m32))) - return -EFAULT; - - map.offset = m32.offset; - err = drm_ioctl_kernel(file, drm_legacy_getmap_ioctl, &map, 0); - if (err) - return err; - - m32.offset = map.offset; - m32.size = map.size; - m32.type = map.type; - m32.flags = map.flags; - m32.handle = ptr_to_compat((void __user *)map.handle); - m32.mtrr = map.mtrr; - if (copy_to_user(argp, &m32, sizeof(m32))) - return -EFAULT; - return 0; - -} - -static int compat_drm_addmap(struct file *file, unsigned int cmd, - unsigned long arg) -{ - drm_map32_t __user *argp = (void __user *)arg; - drm_map32_t m32; - struct drm_map map; - int err; - - if (copy_from_user(&m32, argp, sizeof(m32))) - return -EFAULT; - - map.offset = m32.offset; - map.size = m32.size; - map.type = m32.type; - map.flags = m32.flags; - - err = drm_ioctl_kernel(file, drm_legacy_addmap_ioctl, &map, - DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY); - if (err) - return err; - - m32.offset = map.offset; - m32.mtrr = map.mtrr; - m32.handle = ptr_to_compat((void __user *)map.handle); - if (map.handle != compat_ptr(m32.handle)) - pr_err_ratelimited("compat_drm_addmap truncated handle %p for type %d offset %x\n", - map.handle, m32.type, m32.offset); - - if (copy_to_user(argp, &m32, sizeof(m32))) - return -EFAULT; - - return 0; -} - -static int compat_drm_rmmap(struct file *file, unsigned int cmd, - unsigned long arg) -{ - drm_map32_t __user *argp = (void __user *)arg; - struct drm_map map; - u32 handle; - - if (get_user(handle, &argp->handle)) - return -EFAULT; - map.handle = compat_ptr(handle); - return drm_ioctl_kernel(file, drm_legacy_rmmap_ioctl, &map, DRM_AUTH); -} -#endif - typedef struct drm_client32 { int idx; /* Which client desired? */ int auth; /* Is client authenticated? */ @@ -308,501 +222,6 @@ static int compat_drm_getstats(struct file *file, unsigned int cmd, return 0; } -#if IS_ENABLED(CONFIG_DRM_LEGACY) -typedef struct drm_buf_desc32 { - int count; /* Number of buffers of this size */ - int size; /* Size in bytes */ - int low_mark; /* Low water mark */ - int high_mark; /* High water mark */ - int flags; - u32 agp_start; /* Start address in the AGP aperture */ -} drm_buf_desc32_t; - -static int compat_drm_addbufs(struct file *file, unsigned int cmd, - unsigned long arg) -{ - drm_buf_desc32_t __user *argp = (void __user *)arg; - drm_buf_desc32_t desc32; - struct drm_buf_desc desc; - int err; - - if (copy_from_user(&desc32, argp, sizeof(drm_buf_desc32_t))) - return -EFAULT; - - desc = (struct drm_buf_desc){ - desc32.count, desc32.size, desc32.low_mark, desc32.high_mark, - desc32.flags, desc32.agp_start - }; - - err = drm_ioctl_kernel(file, drm_legacy_addbufs, &desc, - DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY); - if (err) - return err; - - desc32 = (drm_buf_desc32_t){ - desc.count, desc.size, desc.low_mark, desc.high_mark, - desc.flags, desc.agp_start - }; - if (copy_to_user(argp, &desc32, sizeof(drm_buf_desc32_t))) - return -EFAULT; - - return 0; -} - -static int compat_drm_markbufs(struct file *file, unsigned int cmd, - unsigned long arg) -{ - drm_buf_desc32_t b32; - drm_buf_desc32_t __user *argp = (void __user *)arg; - struct drm_buf_desc buf; - - if (copy_from_user(&b32, argp, sizeof(b32))) - return -EFAULT; - - buf.size = b32.size; - buf.low_mark = b32.low_mark; - buf.high_mark = b32.high_mark; - - return drm_ioctl_kernel(file, drm_legacy_markbufs, &buf, - DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY); -} - -typedef struct drm_buf_info32 { - int count; /**< Entries in list */ - u32 list; -} drm_buf_info32_t; - -static int copy_one_buf32(void *data, int count, struct drm_buf_entry *from) -{ - drm_buf_info32_t *request = data; - drm_buf_desc32_t __user *to = compat_ptr(request->list); - drm_buf_desc32_t v = {.count = from->buf_count, - .size = from->buf_size, - .low_mark = from->low_mark, - .high_mark = from->high_mark}; - - if (copy_to_user(to + count, &v, offsetof(drm_buf_desc32_t, flags))) - return -EFAULT; - return 0; -} - -static int drm_legacy_infobufs32(struct drm_device *dev, void *data, - struct drm_file *file_priv) -{ - drm_buf_info32_t *request = data; - - return __drm_legacy_infobufs(dev, data, &request->count, copy_one_buf32); -} - -static int compat_drm_infobufs(struct file *file, unsigned int cmd, - unsigned long arg) -{ - drm_buf_info32_t req32; - drm_buf_info32_t __user *argp = (void __user *)arg; - int err; - - if (copy_from_user(&req32, argp, sizeof(req32))) - return -EFAULT; - - if (req32.count < 0) - req32.count = 0; - - err = drm_ioctl_kernel(file, drm_legacy_infobufs32, &req32, DRM_AUTH); - if (err) - return err; - - if (put_user(req32.count, &argp->count)) - return -EFAULT; - - return 0; -} - -typedef struct drm_buf_pub32 { - int idx; /**< Index into the master buffer list */ - int total; /**< Buffer size */ - int used; /**< Amount of buffer in use (for DMA) */ - u32 address; /**< Address of buffer */ -} drm_buf_pub32_t; - -typedef struct drm_buf_map32 { - int count; /**< Length of the buffer list */ - u32 virtual; /**< Mmap'd area in user-virtual */ - u32 list; /**< Buffer information */ -} drm_buf_map32_t; - -static int map_one_buf32(void *data, int idx, unsigned long virtual, - struct drm_buf *buf) -{ - drm_buf_map32_t *request = data; - drm_buf_pub32_t __user *to = compat_ptr(request->list) + idx; - drm_buf_pub32_t v; - - v.idx = buf->idx; - v.total = buf->total; - v.used = 0; - v.address = virtual + buf->offset; - if (copy_to_user(to, &v, sizeof(v))) - return -EFAULT; - return 0; -} - -static int drm_legacy_mapbufs32(struct drm_device *dev, void *data, - struct drm_file *file_priv) -{ - drm_buf_map32_t *request = data; - void __user *v; - int err = __drm_legacy_mapbufs(dev, data, &request->count, - &v, map_one_buf32, - file_priv); - request->virtual = ptr_to_compat(v); - return err; -} - -static int compat_drm_mapbufs(struct file *file, unsigned int cmd, - unsigned long arg) -{ - drm_buf_map32_t __user *argp = (void __user *)arg; - drm_buf_map32_t req32; - int err; - - if (copy_from_user(&req32, argp, sizeof(req32))) - return -EFAULT; - if (req32.count < 0) - return -EINVAL; - - err = drm_ioctl_kernel(file, drm_legacy_mapbufs32, &req32, DRM_AUTH); - if (err) - return err; - - if (put_user(req32.count, &argp->count) - || put_user(req32.virtual, &argp->virtual)) - return -EFAULT; - - return 0; -} - -typedef struct drm_buf_free32 { - int count; - u32 list; -} drm_buf_free32_t; - -static int compat_drm_freebufs(struct file *file, unsigned int cmd, - unsigned long arg) -{ - drm_buf_free32_t req32; - struct drm_buf_free request; - drm_buf_free32_t __user *argp = (void __user *)arg; - - if (copy_from_user(&req32, argp, sizeof(req32))) - return -EFAULT; - - request.count = req32.count; - request.list = compat_ptr(req32.list); - return drm_ioctl_kernel(file, drm_legacy_freebufs, &request, DRM_AUTH); -} - -typedef struct drm_ctx_priv_map32 { - unsigned int ctx_id; /**< Context requesting private mapping */ - u32 handle; /**< Handle of map */ -} drm_ctx_priv_map32_t; - -static int compat_drm_setsareactx(struct file *file, unsigned int cmd, - unsigned long arg) -{ - drm_ctx_priv_map32_t req32; - struct drm_ctx_priv_map request; - drm_ctx_priv_map32_t __user *argp = (void __user *)arg; - - if (copy_from_user(&req32, argp, sizeof(req32))) - return -EFAULT; - - request.ctx_id = req32.ctx_id; - request.handle = compat_ptr(req32.handle); - return drm_ioctl_kernel(file, drm_legacy_setsareactx, &request, - DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY); -} - -static int compat_drm_getsareactx(struct file *file, unsigned int cmd, - unsigned long arg) -{ - struct drm_ctx_priv_map req; - drm_ctx_priv_map32_t req32; - drm_ctx_priv_map32_t __user *argp = (void __user *)arg; - int err; - - if (copy_from_user(&req32, argp, sizeof(req32))) - return -EFAULT; - - req.ctx_id = req32.ctx_id; - err = drm_ioctl_kernel(file, drm_legacy_getsareactx, &req, DRM_AUTH); - if (err) - return err; - - req32.handle = ptr_to_compat((void __user *)req.handle); - if (copy_to_user(argp, &req32, sizeof(req32))) - return -EFAULT; - - return 0; -} - -typedef struct drm_ctx_res32 { - int count; - u32 contexts; -} drm_ctx_res32_t; - -static int compat_drm_resctx(struct file *file, unsigned int cmd, - unsigned long arg) -{ - drm_ctx_res32_t __user *argp = (void __user *)arg; - drm_ctx_res32_t res32; - struct drm_ctx_res res; - int err; - - if (copy_from_user(&res32, argp, sizeof(res32))) - return -EFAULT; - - res.count = res32.count; - res.contexts = compat_ptr(res32.contexts); - err = drm_ioctl_kernel(file, drm_legacy_resctx, &res, DRM_AUTH); - if (err) - return err; - - res32.count = res.count; - if (copy_to_user(argp, &res32, sizeof(res32))) - return -EFAULT; - - return 0; -} - -typedef struct drm_dma32 { - int context; /**< Context handle */ - int send_count; /**< Number of buffers to send */ - u32 send_indices; /**< List of handles to buffers */ - u32 send_sizes; /**< Lengths of data to send */ - enum drm_dma_flags flags; /**< Flags */ - int request_count; /**< Number of buffers requested */ - int request_size; /**< Desired size for buffers */ - u32 request_indices; /**< Buffer information */ - u32 request_sizes; - int granted_count; /**< Number of buffers granted */ -} drm_dma32_t; - -static int compat_drm_dma(struct file *file, unsigned int cmd, - unsigned long arg) -{ - drm_dma32_t d32; - drm_dma32_t __user *argp = (void __user *)arg; - struct drm_dma d; - int err; - - if (copy_from_user(&d32, argp, sizeof(d32))) - return -EFAULT; - - d.context = d32.context; - d.send_count = d32.send_count; - d.send_indices = compat_ptr(d32.send_indices); - d.send_sizes = compat_ptr(d32.send_sizes); - d.flags = d32.flags; - d.request_count = d32.request_count; - d.request_indices = compat_ptr(d32.request_indices); - d.request_sizes = compat_ptr(d32.request_sizes); - err = drm_ioctl_kernel(file, drm_legacy_dma_ioctl, &d, DRM_AUTH); - if (err) - return err; - - if (put_user(d.request_size, &argp->request_size) - || put_user(d.granted_count, &argp->granted_count)) - return -EFAULT; - - return 0; -} -#endif - -#if IS_ENABLED(CONFIG_DRM_LEGACY) -#if IS_ENABLED(CONFIG_AGP) -typedef struct drm_agp_mode32 { - u32 mode; /**< AGP mode */ -} drm_agp_mode32_t; - -static int compat_drm_agp_enable(struct file *file, unsigned int cmd, - unsigned long arg) -{ - drm_agp_mode32_t __user *argp = (void __user *)arg; - struct drm_agp_mode mode; - - if (get_user(mode.mode, &argp->mode)) - return -EFAULT; - - return drm_ioctl_kernel(file, drm_legacy_agp_enable_ioctl, &mode, - DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY); -} - -typedef struct drm_agp_info32 { - int agp_version_major; - int agp_version_minor; - u32 mode; - u32 aperture_base; /* physical address */ - u32 aperture_size; /* bytes */ - u32 memory_allowed; /* bytes */ - u32 memory_used; - - /* PCI information */ - unsigned short id_vendor; - unsigned short id_device; -} drm_agp_info32_t; - -static int compat_drm_agp_info(struct file *file, unsigned int cmd, - unsigned long arg) -{ - drm_agp_info32_t __user *argp = (void __user *)arg; - drm_agp_info32_t i32; - struct drm_agp_info info; - int err; - - err = drm_ioctl_kernel(file, drm_legacy_agp_info_ioctl, &info, DRM_AUTH); - if (err) - return err; - - i32.agp_version_major = info.agp_version_major; - i32.agp_version_minor = info.agp_version_minor; - i32.mode = info.mode; - i32.aperture_base = info.aperture_base; - i32.aperture_size = info.aperture_size; - i32.memory_allowed = info.memory_allowed; - i32.memory_used = info.memory_used; - i32.id_vendor = info.id_vendor; - i32.id_device = info.id_device; - if (copy_to_user(argp, &i32, sizeof(i32))) - return -EFAULT; - - return 0; -} - -typedef struct drm_agp_buffer32 { - u32 size; /**< In bytes -- will round to page boundary */ - u32 handle; /**< Used for binding / unbinding */ - u32 type; /**< Type of memory to allocate */ - u32 physical; /**< Physical used by i810 */ -} drm_agp_buffer32_t; - -static int compat_drm_agp_alloc(struct file *file, unsigned int cmd, - unsigned long arg) -{ - drm_agp_buffer32_t __user *argp = (void __user *)arg; - drm_agp_buffer32_t req32; - struct drm_agp_buffer request; - int err; - - if (copy_from_user(&req32, argp, sizeof(req32))) - return -EFAULT; - - request.size = req32.size; - request.type = req32.type; - err = drm_ioctl_kernel(file, drm_legacy_agp_alloc_ioctl, &request, - DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY); - if (err) - return err; - - req32.handle = request.handle; - req32.physical = request.physical; - if (copy_to_user(argp, &req32, sizeof(req32))) { - drm_ioctl_kernel(file, drm_legacy_agp_free_ioctl, &request, - DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY); - return -EFAULT; - } - - return 0; -} - -static int compat_drm_agp_free(struct file *file, unsigned int cmd, - unsigned long arg) -{ - drm_agp_buffer32_t __user *argp = (void __user *)arg; - struct drm_agp_buffer request; - - if (get_user(request.handle, &argp->handle)) - return -EFAULT; - - return drm_ioctl_kernel(file, drm_legacy_agp_free_ioctl, &request, - DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY); -} - -typedef struct drm_agp_binding32 { - u32 handle; /**< From drm_agp_buffer */ - u32 offset; /**< In bytes -- will round to page boundary */ -} drm_agp_binding32_t; - -static int compat_drm_agp_bind(struct file *file, unsigned int cmd, - unsigned long arg) -{ - drm_agp_binding32_t __user *argp = (void __user *)arg; - drm_agp_binding32_t req32; - struct drm_agp_binding request; - - if (copy_from_user(&req32, argp, sizeof(req32))) - return -EFAULT; - - request.handle = req32.handle; - request.offset = req32.offset; - return drm_ioctl_kernel(file, drm_legacy_agp_bind_ioctl, &request, - DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY); -} - -static int compat_drm_agp_unbind(struct file *file, unsigned int cmd, - unsigned long arg) -{ - drm_agp_binding32_t __user *argp = (void __user *)arg; - struct drm_agp_binding request; - - if (get_user(request.handle, &argp->handle)) - return -EFAULT; - - return drm_ioctl_kernel(file, drm_legacy_agp_unbind_ioctl, &request, - DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY); -} -#endif /* CONFIG_AGP */ - -typedef struct drm_scatter_gather32 { - u32 size; /**< In bytes -- will round to page boundary */ - u32 handle; /**< Used for mapping / unmapping */ -} drm_scatter_gather32_t; - -static int compat_drm_sg_alloc(struct file *file, unsigned int cmd, - unsigned long arg) -{ - drm_scatter_gather32_t __user *argp = (void __user *)arg; - struct drm_scatter_gather request; - int err; - - if (get_user(request.size, &argp->size)) - return -EFAULT; - - err = drm_ioctl_kernel(file, drm_legacy_sg_alloc, &request, - DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY); - if (err) - return err; - - /* XXX not sure about the handle conversion here... */ - if (put_user(request.handle >> PAGE_SHIFT, &argp->handle)) - return -EFAULT; - - return 0; -} - -static int compat_drm_sg_free(struct file *file, unsigned int cmd, - unsigned long arg) -{ - drm_scatter_gather32_t __user *argp = (void __user *)arg; - struct drm_scatter_gather request; - unsigned long x; - - if (get_user(x, &argp->handle)) - return -EFAULT; - request.handle = x << PAGE_SHIFT; - return drm_ioctl_kernel(file, drm_legacy_sg_free, &request, - DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY); -} -#endif #if defined(CONFIG_X86) typedef struct drm_update_draw32 { drm_drawable_t handle; @@ -854,7 +273,7 @@ static int compat_drm_wait_vblank(struct file *file, unsigned int cmd, req.request.type = req32.request.type; req.request.sequence = req32.request.sequence; req.request.signal = req32.request.signal; - err = drm_ioctl_kernel(file, drm_wait_vblank_ioctl, &req, DRM_UNLOCKED); + err = drm_ioctl_kernel(file, drm_wait_vblank_ioctl, &req, 0); req32.reply.type = req.reply.type; req32.reply.sequence = req.reply.sequence; @@ -914,37 +333,9 @@ static struct { #define DRM_IOCTL32_DEF(n, f) [DRM_IOCTL_NR(n##32)] = {.fn = f, .name = #n} DRM_IOCTL32_DEF(DRM_IOCTL_VERSION, compat_drm_version), DRM_IOCTL32_DEF(DRM_IOCTL_GET_UNIQUE, compat_drm_getunique), -#if IS_ENABLED(CONFIG_DRM_LEGACY) - DRM_IOCTL32_DEF(DRM_IOCTL_GET_MAP, compat_drm_getmap), -#endif DRM_IOCTL32_DEF(DRM_IOCTL_GET_CLIENT, compat_drm_getclient), DRM_IOCTL32_DEF(DRM_IOCTL_GET_STATS, compat_drm_getstats), DRM_IOCTL32_DEF(DRM_IOCTL_SET_UNIQUE, compat_drm_setunique), -#if IS_ENABLED(CONFIG_DRM_LEGACY) - DRM_IOCTL32_DEF(DRM_IOCTL_ADD_MAP, compat_drm_addmap), - DRM_IOCTL32_DEF(DRM_IOCTL_ADD_BUFS, compat_drm_addbufs), - DRM_IOCTL32_DEF(DRM_IOCTL_MARK_BUFS, compat_drm_markbufs), - DRM_IOCTL32_DEF(DRM_IOCTL_INFO_BUFS, compat_drm_infobufs), - DRM_IOCTL32_DEF(DRM_IOCTL_MAP_BUFS, compat_drm_mapbufs), - DRM_IOCTL32_DEF(DRM_IOCTL_FREE_BUFS, compat_drm_freebufs), - DRM_IOCTL32_DEF(DRM_IOCTL_RM_MAP, compat_drm_rmmap), - DRM_IOCTL32_DEF(DRM_IOCTL_SET_SAREA_CTX, compat_drm_setsareactx), - DRM_IOCTL32_DEF(DRM_IOCTL_GET_SAREA_CTX, compat_drm_getsareactx), - DRM_IOCTL32_DEF(DRM_IOCTL_RES_CTX, compat_drm_resctx), - DRM_IOCTL32_DEF(DRM_IOCTL_DMA, compat_drm_dma), -#if IS_ENABLED(CONFIG_AGP) - DRM_IOCTL32_DEF(DRM_IOCTL_AGP_ENABLE, compat_drm_agp_enable), - DRM_IOCTL32_DEF(DRM_IOCTL_AGP_INFO, compat_drm_agp_info), - DRM_IOCTL32_DEF(DRM_IOCTL_AGP_ALLOC, compat_drm_agp_alloc), - DRM_IOCTL32_DEF(DRM_IOCTL_AGP_FREE, compat_drm_agp_free), - DRM_IOCTL32_DEF(DRM_IOCTL_AGP_BIND, compat_drm_agp_bind), - DRM_IOCTL32_DEF(DRM_IOCTL_AGP_UNBIND, compat_drm_agp_unbind), -#endif -#endif -#if IS_ENABLED(CONFIG_DRM_LEGACY) - DRM_IOCTL32_DEF(DRM_IOCTL_SG_ALLOC, compat_drm_sg_alloc), - DRM_IOCTL32_DEF(DRM_IOCTL_SG_FREE, compat_drm_sg_free), -#endif #if defined(CONFIG_X86) DRM_IOCTL32_DEF(DRM_IOCTL_UPDATE_DRAW, compat_drm_update_draw), #endif |