diff options
| -rw-r--r-- | libdrm/xf86drm.c | 15 | ||||
| -rw-r--r-- | libdrm/xf86mm.h | 1 | ||||
| -rw-r--r-- | linux-core/drm_bo.c | 37 | ||||
| -rw-r--r-- | linux-core/drm_drv.c | 2 | ||||
| -rw-r--r-- | linux-core/drm_objects.h | 2 | ||||
| -rw-r--r-- | shared-core/drm.h | 7 |
6 files changed, 64 insertions, 0 deletions
diff --git a/libdrm/xf86drm.c b/libdrm/xf86drm.c index 39a849c6..13e99555 100644 --- a/libdrm/xf86drm.c +++ b/libdrm/xf86drm.c @@ -2883,6 +2883,21 @@ int drmMMUnlock(int fd, unsigned memType, int unlockBM) 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) diff --git a/libdrm/xf86mm.h b/libdrm/xf86mm.h index c80288a7..bb573407 100644 --- a/libdrm/xf86mm.h +++ b/libdrm/xf86mm.h @@ -172,6 +172,7 @@ extern int drmMMInit(int fd, unsigned long pOffset, unsigned long pSize, extern int drmMMTakedown(int fd, unsigned memType); extern int drmMMLock(int fd, unsigned memType, int lockBM, int ignoreNoEvict); extern int drmMMUnlock(int fd, unsigned memType, int unlockBM); +extern int drmMMInfo(int fd, unsigned memType, uint64_t *size); extern int drmBOSetStatus(int fd, drmBO *buf, uint64_t flags, uint64_t mask, unsigned int hint, diff --git a/linux-core/drm_bo.c b/linux-core/drm_bo.c index 54b8baf8..ebba2fa7 100644 --- a/linux-core/drm_bo.c +++ b/linux-core/drm_bo.c @@ -2289,6 +2289,7 @@ int drm_bo_init_mm(struct drm_device *dev, unsigned type, man->has_type = 1; man->use_type = 1; man->kern_init_type = kern_init; + man->size = p_size; INIT_LIST_HEAD(&man->lru); INIT_LIST_HEAD(&man->pinned); @@ -2562,6 +2563,42 @@ int drm_mm_unlock_ioctl(struct drm_device *dev, return 0; } +int drm_mm_info_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv) +{ + struct drm_mm_info_arg *arg = data; + struct drm_buffer_manager *bm = &dev->bm; + struct drm_bo_driver *driver = dev->driver->bo_driver; + struct drm_mem_type_manager *man; + int ret = 0; + int mem_type = arg->mem_type; + + if (!driver) { + DRM_ERROR("Buffer objects are not supported by this driver\n"); + return -EINVAL; + } + + if (mem_type >= DRM_BO_MEM_TYPES) { + DRM_ERROR("Illegal memory type %d\n", arg->mem_type); + return -EINVAL; + } + + mutex_lock(&dev->struct_mutex); + if (!bm->initialized) { + DRM_ERROR("DRM memory manager was not initialized\n"); + ret = -EINVAL; + goto out; + } + + + man = &bm->man[arg->mem_type]; + + arg->p_size = man->size; + +out: + mutex_unlock(&dev->struct_mutex); + + return ret; +} /* * buffer object vm functions. */ diff --git a/linux-core/drm_drv.c b/linux-core/drm_drv.c index 4f5b364e..4932ea59 100644 --- a/linux-core/drm_drv.c +++ b/linux-core/drm_drv.c @@ -164,6 +164,8 @@ static struct drm_ioctl_desc drm_ioctls[] = { DRM_IOCTL_DEF(DRM_IOCTL_BO_INFO, drm_bo_info_ioctl, DRM_AUTH), DRM_IOCTL_DEF(DRM_IOCTL_BO_WAIT_IDLE, drm_bo_wait_idle_ioctl, DRM_AUTH), DRM_IOCTL_DEF(DRM_IOCTL_BO_VERSION, drm_bo_version_ioctl, 0), + + DRM_IOCTL_DEF(DRM_IOCTL_MM_INFO, drm_mm_info_ioctl, 0), }; #define DRM_CORE_IOCTL_COUNT ARRAY_SIZE( drm_ioctls ) diff --git a/linux-core/drm_objects.h b/linux-core/drm_objects.h index 71da4b27..cce58178 100644 --- a/linux-core/drm_objects.h +++ b/linux-core/drm_objects.h @@ -525,6 +525,7 @@ struct drm_mem_type_manager { unsigned long io_offset; unsigned long io_size; void *io_addr; + uint64_t size; /* size of managed area for reporting to userspace */ }; struct drm_bo_lock { @@ -651,6 +652,7 @@ extern int drm_mm_init_ioctl(struct drm_device *dev, void *data, struct drm_file extern int drm_mm_takedown_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int drm_mm_lock_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int drm_mm_unlock_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); +extern int drm_mm_info_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int drm_bo_version_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int drm_bo_driver_finish(struct drm_device *dev); extern int drm_bo_driver_init(struct drm_device *dev); diff --git a/shared-core/drm.h b/shared-core/drm.h index 0d7cfd25..cbe83fd1 100644 --- a/shared-core/drm.h +++ b/shared-core/drm.h @@ -950,6 +950,12 @@ struct drm_mm_init_arg { uint64_t p_size; }; +struct drm_mm_info_arg { + unsigned int mem_type; + uint64_t p_size; +}; + + /* * Drm mode setting */ @@ -1209,6 +1215,7 @@ struct drm_mode_hotplug { #define DRM_IOCTL_BO_INFO DRM_IOWR(0xd4, struct drm_bo_reference_info_arg) #define DRM_IOCTL_BO_WAIT_IDLE DRM_IOWR(0xd5, struct drm_bo_map_wait_idle_arg) #define DRM_IOCTL_BO_VERSION DRM_IOR(0xd6, struct drm_bo_version_arg) +#define DRM_IOCTL_MM_INFO DRM_IOWR(0xd7, struct drm_mm_info_arg) #define DRM_IOCTL_MODE_GETRESOURCES DRM_IOWR(0xA0, struct drm_mode_card_res) #define DRM_IOCTL_MODE_GETCRTC DRM_IOWR(0xA1, struct drm_mode_crtc) |