diff options
| -rw-r--r-- | drivers/gpu/drm/Makefile | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/drm_debugfs.c | 235 | ||||
| -rw-r--r-- | drivers/gpu/drm/drm_drv.c | 12 | ||||
| -rw-r--r-- | drivers/gpu/drm/drm_info.c | 328 | ||||
| -rw-r--r-- | drivers/gpu/drm/drm_proc.c | 720 | ||||
| -rw-r--r-- | drivers/gpu/drm/drm_stub.c | 15 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/Makefile | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.c | 6 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.h | 6 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem_debugfs.c | 230 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem_proc.c | 334 | ||||
| -rw-r--r-- | include/drm/drmP.h | 77 |
12 files changed, 1014 insertions, 954 deletions
diff --git a/drivers/gpu/drm/Makefile b/drivers/gpu/drm/Makefile index 30022c4a5c12..4ec5061fa584 100644 --- a/drivers/gpu/drm/Makefile +++ b/drivers/gpu/drm/Makefile @@ -10,7 +10,8 @@ drm-y := drm_auth.o drm_bufs.o drm_cache.o \ drm_lock.o drm_memory.o drm_proc.o drm_stub.o drm_vm.o \ drm_agpsupport.o drm_scatter.o ati_pcigart.o drm_pci.o \ drm_sysfs.o drm_hashtab.o drm_sman.o drm_mm.o \ - drm_crtc.o drm_crtc_helper.o drm_modes.o drm_edid.o + drm_crtc.o drm_crtc_helper.o drm_modes.o drm_edid.o \ + drm_info.o drm_debugfs.o drm-$(CONFIG_COMPAT) += drm_ioc32.o diff --git a/drivers/gpu/drm/drm_debugfs.c b/drivers/gpu/drm/drm_debugfs.c new file mode 100644 index 000000000000..c77c6c6d9d2c --- /dev/null +++ b/drivers/gpu/drm/drm_debugfs.c @@ -0,0 +1,235 @@ +/** + * \file drm_debugfs.c + * debugfs support for DRM + * + * \author Ben Gamari <bgamari@gmail.com> + */ + +/* + * Created: Sun Dec 21 13:08:50 2008 by bgamari@gmail.com + * + * Copyright 2008 Ben Gamari <bgamari@gmail.com> + * + * 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 (including the next + * paragraph) 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 + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS 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. + */ + +#include <linux/debugfs.h> +#include <linux/seq_file.h> +#include "drmP.h" + +#if defined(CONFIG_DEBUG_FS) + +/*************************************************** + * Initialization, etc. + **************************************************/ + +static struct drm_info_list drm_debugfs_list[] = { + {"name", drm_name_info, 0}, + {"vm", drm_vm_info, 0}, + {"clients", drm_clients_info, 0}, + {"queues", drm_queues_info, 0}, + {"bufs", drm_bufs_info, 0}, + {"gem_names", drm_gem_name_info, DRIVER_GEM}, + {"gem_objects", drm_gem_object_info, DRIVER_GEM}, +#if DRM_DEBUG_CODE + {"vma", drm_vma_info, 0}, +#endif +}; +#define DRM_DEBUGFS_ENTRIES ARRAY_SIZE(drm_debugfs_list) + + +static int drm_debugfs_open(struct inode *inode, struct file *file) +{ + struct drm_info_node *node = inode->i_private; + + return single_open(file, node->info_ent->show, node); +} + + +static const struct file_operations drm_debugfs_fops = { + .owner = THIS_MODULE, + .open = drm_debugfs_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + + +/** + * Initialize a given set of debugfs files for a device + * + * \param files The array of files to create + * \param count The number of files given + * \param root DRI debugfs dir entry. + * \param minor device minor number + * \return Zero on success, non-zero on failure + * + * Create a given set of debugfs files represented by an array of + * gdm_debugfs_lists in the given root directory. + */ +int drm_debugfs_create_files(struct drm_info_list *files, int count, + struct dentry *root, struct drm_minor *minor) +{ + struct drm_device *dev = minor->dev; + struct dentry *ent; + struct drm_info_node *tmp; + char name[64]; + int i, ret; + + for (i = 0; i < count; i++) { + u32 features = files[i].driver_features; + + if (features != 0 && + (dev->driver->driver_features & features) != features) + continue; + + tmp = drm_alloc(sizeof(struct drm_info_node), + _DRM_DRIVER); + ent = debugfs_create_file(files[i].name, S_IFREG | S_IRUGO, + root, tmp, &drm_debugfs_fops); + if (!ent) { + DRM_ERROR("Cannot create /debugfs/dri/%s/%s\n", + name, files[i].name); + drm_free(tmp, sizeof(struct drm_info_node), + _DRM_DRIVER); + ret = -1; + goto fail; + } + + tmp->minor = minor; + tmp->dent = ent; + tmp->info_ent = &files[i]; + list_add(&(tmp->list), &(minor->debugfs_nodes.list)); + } + return 0; + +fail: + drm_debugfs_remove_files(files, count, minor); + return ret; +} +EXPORT_SYMBOL(drm_debugfs_create_files); + +/** + * Initialize the DRI debugfs filesystem for a device + * + * \param dev DRM device + * \param minor device minor number + * \param root DRI debugfs dir entry. + * + * Create the DRI debugfs root entry "/debugfs/dri", the device debugfs root entry + * "/debugfs/dri/%minor%/", and each entry in debugfs_list as + * "/debugfs/dri/%minor%/%name%". + */ +int drm_debugfs_init(struct drm_minor *minor, int minor_id, + struct dentry *root) +{ + struct drm_device *dev = minor->dev; + char name[64]; + int ret; + + INIT_LIST_HEAD(&minor->debugfs_nodes.list); + sprintf(name, "%d", minor_id); + minor->debugfs_root = debugfs_create_dir(name, root); + if (!minor->debugfs_root) { + DRM_ERROR("Cannot create /debugfs/dri/%s\n", name); + return -1; + } + + ret = drm_debugfs_create_files(drm_debugfs_list, DRM_DEBUGFS_ENTRIES, + minor->debugfs_root, minor); + if (ret) { + debugfs_remove(minor->debugfs_root); + minor->debugfs_root = NULL; + DRM_ERROR("Failed to create core drm debugfs files\n"); + return ret; + } + + if (dev->driver->debugfs_init) { + ret = dev->driver->debugfs_init(minor); + if (ret) { + DRM_ERROR("DRM: Driver failed to initialize " + "/debugfs/dri.\n"); + return ret; + } + } + return 0; +} + + +/** + * Remove a list of debugfs files + * + * \param files The list of files + * \param count The number of files + * \param minor The minor of which we should remove the files + * \return always zero. + * + * Remove all debugfs entries created by debugfs_init(). + */ +int drm_debugfs_remove_files(struct drm_info_list *files, int count, + struct drm_minor *minor) +{ + struct list_head *pos, *q; + struct drm_info_node *tmp; + int i; + + for (i = 0; i < count; i++) { + list_for_each_safe(pos, q, &minor->debugfs_nodes.list) { + tmp = list_entry(pos, struct drm_info_node, list); + if (tmp->info_ent == &files[i]) { + debugfs_remove(tmp->dent); + list_del(pos); + drm_free(tmp, sizeof(struct drm_info_node), + _DRM_DRIVER); + } + } + } + return 0; +} +EXPORT_SYMBOL(drm_debugfs_remove_files); + +/** + * Cleanup the debugfs filesystem resources. + * + * \param minor device minor number. + * \return always zero. + * + * Remove all debugfs entries created by debugfs_init(). + */ +int drm_debugfs_cleanup(struct drm_minor *minor) +{ + struct drm_device *dev = minor->dev; + + if (!minor->debugfs_root) + return 0; + + if (dev->driver->debugfs_cleanup) + dev->driver->debugfs_cleanup(minor); + + drm_debugfs_remove_files(drm_debugfs_list, DRM_DEBUGFS_ENTRIES, minor); + + debugfs_remove(minor->debugfs_root); + minor->debugfs_root = NULL; + + return 0; +} + +#endif /* CONFIG_DEBUG_FS */ + diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c index 1441655388ab..c26ee0822a05 100644 --- a/drivers/gpu/drm/drm_drv.c +++ b/drivers/gpu/drm/drm_drv.c @@ -46,9 +46,11 @@ * OTHER DEALINGS IN THE SOFTWARE. */ +#include <linux/debugfs.h> #include "drmP.h" #include "drm_core.h" + static int drm_version(struct drm_device *dev, void *data, struct drm_file *file_priv); @@ -178,7 +180,7 @@ int drm_lastclose(struct drm_device * dev) /* Clear AGP information */ if (drm_core_has_AGP(dev) && dev->agp && - !drm_core_check_feature(dev, DRIVER_MODESET)) { + !drm_core_check_feature(dev, DRIVER_MODESET)) { struct drm_agp_mem *entry, *tempe; /* Remove AGP resources, but leave dev->agp @@ -335,6 +337,13 @@ static int __init drm_core_init(void) goto err_p3; } + drm_debugfs_root = debugfs_create_dir("dri", NULL); + if (!drm_debugfs_root) { + DRM_ERROR("Cannot create /debugfs/dri\n"); + ret = -1; + goto err_p3; + } + drm_mem_init(); DRM_INFO("Initialized %s %d.%d.%d %s\n", @@ -353,6 +362,7 @@ err_p1: static void __exit drm_core_exit(void) { remove_proc_entry("dri", NULL); + debugfs_remove(drm_debugfs_root); drm_sysfs_destroy(); unregister_chrdev(DRM_MAJOR, "drm"); diff --git a/drivers/gpu/drm/drm_info.c b/drivers/gpu/drm/drm_info.c new file mode 100644 index 000000000000..fc98952b9033 --- /dev/null +++ b/drivers/gpu/drm/drm_info.c @@ -0,0 +1,328 @@ +/** + * \file drm_info.c + * DRM info file implementations + * + * \author Ben Gamari <bgamari@gmail.com> + */ + +/* + * Created: Sun Dec 21 13:09:50 2008 by bgamari@gmail.com + * + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * Copyright 2008 Ben Gamari <bgamari@gmail.com> + * 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 (including the next + * paragraph) 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 + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS 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. + */ + +#include <linux/seq_file.h> +#include "drmP.h" + +/** + * Called when "/proc/dri/.../name" is read. + * + * Prints the device name together with the bus id if available. + */ +int drm_name_info(struct seq_file *m, void *data) +{ + struct drm_info_node *node = (struct drm_info_node *) m->private; + struct drm_minor *minor = node->minor; + struct drm_device *dev = minor->dev; + struct drm_master *master = minor->master; + + if (!master) + return 0; + + if (master->unique) { + seq_printf(m, "%s %s %s\n", + dev->driver->pci_driver.name, + pci_name(dev->pdev), master->unique); + } else { + seq_printf(m, "%s %s\n", dev->driver->pci_driver.name, + pci_name(dev->pdev)); + } + + return 0; +} + +/** + * Called when "/proc/dri/.../vm" is read. + * + * Prints information about all mappings in drm_device::maplist. + */ +int drm_vm_info(struct seq_file *m, void *data) +{ + struct drm_info_node *node = (struct drm_info_node *) m->private; + struct drm_device *dev = node->minor->dev; + struct drm_map *map; + struct drm_map_list *r_list; + + /* Hardcoded from _DRM_FRAME_BUFFER, + _DRM_REGISTERS, _DRM_SHM, _DRM_AGP, and + _DRM_SCATTER_GATHER and _DRM_CONSISTENT */ + const char *types[] = { "FB", "REG", "SHM", "AGP", "SG", "PCI" }; + const char *type; + int i; + + mutex_lock(&dev->struct_mutex); + seq_printf(m, "slot offset size type flags address mtrr\n\n"); + i = 0; + list_for_each_entry(r_list, &dev->maplist, head) { + map = r_list->map; + if (!map) + continue; + if (map->type < 0 || map->type > 5) + type = "??"; + else + type = types[map->type]; + + seq_printf(m, "%4d 0x%08lx 0x%08lx %4.4s 0x%02x 0x%08lx ", + i, + map->offset, + map->size, type, map->flags, + (unsigned long) r_list->user_token); + if (map->mtrr < 0) + seq_printf(m, "none\n"); + else + seq_printf(m, "%4d\n", map->mtrr); + i++; + } + mutex_unlock(&dev->struct_mutex); + return 0; +} + +/** + * Called when "/proc/dri/.../queues" is read. + */ +int drm_queues_info(struct seq_file *m, void *data) +{ + struct drm_info_node *node = (struct drm_info_node *) m->private; + struct drm_device *dev = node->minor->dev; + int i; + struct drm_queue *q; + + mutex_lock(&dev->struct_mutex); + seq_printf(m, " ctx/flags use fin" + " blk/rw/rwf wait flushed queued" + " locks\n\n"); + for (i = 0; i < dev->queue_count; i++) { + q = dev->queuelist[i]; + atomic_inc(&q->use_count); + seq_printf(m, "%5d/0x%03x %5d %5d" + " %5d/%c%c/%c%c%c %5Zd\n", + i, + q->flags, + atomic_read(&q->use_count), + atomic_read(&q->finalization), + atomic_read(&q->block_count), + atomic_read(&q->block_read) ? 'r' : '-', + atomic_read(&q->block_write) ? 'w' : '-', + waitqueue_active(&q->read_queue) ? 'r' : '-', + waitqueue_active(&q->write_queue) ? 'w' : '-', + waitqueue_active(&q->flush_queue) ? 'f' : '-', + DRM_BUFCOUNT(&q->waitlist)); + atomic_dec(&q->use_count); + } + mutex_unlock(&dev->struct_mutex); + return 0; +} + +/** + * Called when "/proc/dri/.../bufs" is read. + */ +int drm_bufs_info(struct seq_file *m, void *data) +{ + struct drm_info_node *node = (struct drm_info_node *) m->private; + struct drm_device *dev = node->minor->dev; + struct drm_device_dma *dma; + int i, seg_pages; + + mutex_lock(&dev->struct_mutex); + dma = dev->dma; + if (!dma) { + mutex_unlock(&dev->struct_mutex); + return 0; + } + + seq_printf(m, " o size count free segs pages kB\n\n"); + for (i = 0; i <= DRM_MAX_ORDER; i++) { + if (dma->bufs[i].buf_count) { + seg_pages = dma->bufs[i].seg_count * (1 << dma->bufs[i].page_order); + seq_printf(m, "%2d %8d %5d %5d %5d %5d %5ld\n", + i, + dma->bufs[i].buf_size, + dma->bufs[i].buf_count, + atomic_read(&dma->bufs[i].freelist.count), + dma->bufs[i].seg_count, + seg_pages, + seg_pages * PAGE_SIZE / 1024); + } + } + seq_printf(m, "\n"); + for (i = 0; i < dma->buf_count; i++) { + if (i && !(i % 32)) + seq_printf(m, "\n"); + seq_printf(m, " %d", dma->buflist[i]->list); + } + seq_printf(m, "\n"); + mutex_unlock(&dev->struct_mutex); + return 0; +} + +/** + * Called when "/proc/dri/.../vblank" is read. + */ +int drm_vblank_info(struct seq_file *m, void *data) +{ + struct drm_info_node *node = (struct drm_info_node *) m->private; + struct drm_device *dev = node->minor->dev; + int crtc; + + mutex_lock(&dev->struct_mutex); + for (crtc = 0; crtc < dev->num_crtcs; crtc++) { + seq_printf(m, "CRTC %d enable: %d\n", + crtc, atomic_read(&dev->vblank_refcount[crtc])); + seq_printf(m, "CRTC %d counter: %d\n", + crtc, drm_vblank_count(dev, crtc)); + seq_printf(m, "CRTC %d last wait: %d\n", + crtc, dev->last_vblank_wait[crtc]); + seq_printf(m, "CRTC %d in modeset: %d\n", + crtc, dev->vblank_inmodeset[crtc]); + } + mutex_unlock(&dev->struct_mutex); + return 0; +} + +/** + * Called when "/proc/dri/.../clients" is read. + * + */ +int drm_clients_info(struct seq_file *m, void *data) +{ + struct drm_info_node *node = (struct drm_info_node *) m->private; + struct drm_device *dev = node->minor->dev; + struct drm_file *priv; + + mutex_lock(&dev->struct_mutex); + seq_printf(m, "a dev pid uid magic ioctls\n\n"); + list_for_each_entry(priv, &dev->filelist, lhead) { + seq_printf(m, "%c %3d %5d %5d %10u %10lu\n", + priv->authenticated ? 'y' : 'n', + priv->minor->index, + priv->pid, + priv->uid, priv->magic, priv->ioctl_count); + } + mutex_unlock(&dev->struct_mutex); + return 0; +} + + +int drm_gem_one_name_info(int id, void *ptr, void *data) +{ + struct drm_gem_object *obj = ptr; + struct seq_file *m = data; + + seq_printf(m, "name %d size %zd\n", obj->name, obj->size); + + seq_printf(m, "%6d %8zd %7d %8d\n", + obj->name, obj->size, + atomic_read(&obj->handlecount.refcount), + atomic_read(&obj->refcount.refcount)); + return 0; +} + +int drm_gem_name_info(struct seq_file *m, void *data) +{ + struct drm_info_node *node = (struct drm_info_node *) m->private; + struct drm_device *dev = node->minor->dev; + + seq_printf(m, " name size handles refcount\n"); + idr_for_each(&dev->object_name_idr, drm_gem_one_name_info, m); + return 0; +} + +int drm_gem_object_info(struct seq_file *m, void* data) +{ + struct drm_info_node *node = (struct drm_info_node *) m->private; + struct drm_device *dev = node->minor->dev; + + seq_printf(m, "%d objects\n", atomic_read(&dev->object_count)); + seq_printf(m, "%d object bytes\n", atomic_read(&dev->object_memory)); + seq_printf(m, "%d pinned\n", atomic_read(&dev->pin_count)); + seq_printf(m, "%d pin bytes\n", atomic_read(&dev->pin_memory)); + seq_printf(m, "%d gtt bytes\n", atomic_read(&dev->gtt_memory)); + seq_printf(m, "%d gtt total\n", dev->gtt_total); + return 0; +} + +#if DRM_DEBUG_CODE + +int drm_vma_info(struct seq_file *m, void *data) +{ + struct drm_info_node *node = (struct drm_info_node *) m->private; + struct drm_device *dev = node->minor->dev; + struct drm_vma_entry *pt; + struct vm_area_struct *vma; +#if defined(__i386__) + unsigned int pgprot; +#endif + + mutex_lock(&dev->struct_mutex); + seq_printf(m, "vma use count: %d, high_memory = %p, 0x%08lx\n", + atomic_read(&dev->vma_count), + high_memory, virt_to_phys(high_memory)); + + list_for_each_entry(pt, &dev->vmalist, head) { + vma = pt->vma; + if (!vma) + continue; + seq_printf(m, + "\n%5d 0x%08lx-0x%08lx %c%c%c%c%c%c 0x%08lx000", + pt->pid, vma->vm_start, vma->vm_end, + vma->vm_flags & VM_READ ? 'r' : '-', + vma->vm_flags & VM_WRITE ? 'w' : '-', + vma->vm_flags & VM_EXEC ? 'x' : '-', + vma->vm_flags & VM_MAYSHARE ? 's' : 'p', + vma->vm_flags & VM_LOCKED ? 'l' : '-', + vma->vm_flags & VM_IO ? 'i' : '-', + vma->vm_pgoff); + +#if defined(__i386__) + pgprot = pgprot_val(vma->vm_page_prot); + seq_printf(m, " %c%c%c%c%c%c%c%c%c", + pgprot & _PAGE_PRESENT ? 'p' : '-', + pgprot & _PAGE_RW ? 'w' : 'r', + pgprot & _PAGE_USER ? 'u' : 's', + pgprot & _PAGE_PWT ? 't' : 'b', + pgprot & _PAGE_PCD ? 'u' : 'c', + pgprot & _PAGE_ACCESSED ? 'a' : '-', + pgprot & _PAGE_DIRTY ? 'd' : '-', + pgprot & _PAGE_PSE ? 'm' : 'k', + pgprot & _PAGE_GLOBAL ? 'g' : 'l'); +#endif + seq_printf(m, "\n"); + } + mutex_unlock(&dev->struct_mutex); + return 0; +} + +#endif + diff --git a/drivers/gpu/drm/drm_proc.c b/drivers/gpu/drm/drm_proc.c index 2e3f907a203a..bae5391165ac 100644 --- a/drivers/gpu/drm/drm_proc.c +++ b/drivers/gpu/drm/drm_proc.c @@ -37,697 +37,195 @@ * OTHER DEALINGS IN THE SOFTWARE. */ +#include <linux/seq_file.h> #include "drmP.h" -static int drm_name_info(char *buf, char **start, off_t offset, - int request, int *eof, void *data); -static int drm_vm_info(char *buf, char **start, off_t offset, - int request, int *eof, void *data); -static int drm_clients_info(char *buf, char **start, off_t offset, - int request, int *eof, void *data); -static int drm_queues_info(char *buf, char **start, off_t offset, - int request, int *eof, void *data); -static int drm_bufs_info(char *buf, char **start, off_t offset, - int request, int *eof, void *data); -static int drm_vblank_info(char *buf, char **start, off_t offset, - int request, int *eof, void *data); -static int drm_gem_name_info(char *buf, char **start, off_t offset, - int request, int *eof, void *data); -static int drm_gem_object_info(char *buf, char **start, off_t offset, - int request, int *eof, void *data); -#if DRM_DEBUG_CODE -static int drm_vma_info(char *buf, char **start, off_t offset, - int request, int *eof, void *data); -#endif +/*************************************************** + * Initialization, etc. + **************************************************/ /** * Proc file list. */ -static struct drm_proc_list { - const char *name; /**< file name */ - int (*f) (char *, char **, off_t, int, int *, void *); /**< proc callback*/ - u32 driver_features; /**< Required driver features for this entry */ -} drm_proc_list[] = { +static struct drm_info_list drm_proc_list[] = { {"name", drm_name_info, 0}, - {"mem", drm_mem_info, 0}, {"vm", drm_vm_info, 0}, {"clients", drm_clients_info, 0}, {"queues", drm_queues_info, 0}, {"bufs", drm_bufs_info, 0}, - {"vblank", drm_vblank_info, 0}, {"gem_names", drm_gem_name_info, DRIVER_GEM}, {"gem_objects", drm_gem_object_info, DRIVER_GEM}, #if DRM_DEBUG_CODE - {"vma", drm_vma_info}, + {"vma", drm_vma_info, 0}, #endif }; - #define DRM_PROC_ENTRIES ARRAY_SIZE(drm_proc_list) +static int drm_proc_open(struct inode *inode, struct file *file) +{ + struct drm_info_node* node = PDE(inode)->data; + + return single_open(file, node->info_ent->show, node); +} + +static const struct file_operations drm_proc_fops = { + .owner = THIS_MODULE, + .open = drm_proc_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + + /** - * Initialize the DRI proc filesystem for a device. + * Initialize a given set of proc files for a device * - * \param dev DRM device. - * \param minor device minor number. + * \param files The array of files to create + * \param count The number of files given * \param root DRI proc dir entry. - * \param dev_root resulting DRI device proc dir entry. - * \return root entry pointer on success, or NULL on failure. + * \param minor device minor number + * \return Zero on success, non-zero on failure * - * Create the DRI proc root entry "/proc/dri", the device proc root entry - * "/proc/dri/%minor%/", and each entry in proc_list as - * "/proc/dri/%minor%/%name%". + * Create a given set of proc files represented by an array of + * gdm_proc_lists in the given root directory. */ -int drm_proc_init(struct drm_minor *minor, int minor_id, - struct proc_dir_entry *root) +int drm_proc_create_files(struct drm_info_list *files, int count, + struct proc_dir_entry *root, struct drm_minor *minor) { struct drm_device *dev = minor->dev; struct proc_dir_entry *ent; - int i, j, ret; + struct drm_info_node *tmp; char name[64]; + int i, ret; - sprintf(name, "%d", minor_id); - minor->dev_root = proc_mkdir(name, root); - if (!minor->dev_root) { - DRM_ERROR("Cannot create /proc/dri/%s\n", name); - return -1; - } - - for (i = 0; i < DRM_PROC_ENTRIES; i++) { - u32 features = drm_proc_list[i].driver_features; + for (i = 0; i < count; i++) { + u32 features = files[i].driver_features; if (features != 0 && (dev->driver->driver_features & features) != features) continue; - ent = create_proc_entry(drm_proc_list[i].name, - S_IFREG | S_IRUGO, minor->dev_root); + tmp = drm_alloc(sizeof(struct drm_info_node), _DRM_DRIVER); + ent = create_proc_entry(files[i].name, S_IFREG | S_IRUGO, root); if (!ent) { DRM_ERROR("Cannot create /proc/dri/%s/%s\n", - name, drm_proc_list[i].name); + name, files[i].name); + drm_free(tmp, sizeof(struct drm_info_node), + _DRM_DRIVER); ret = -1; goto fail; } - ent->read_proc = drm_proc_list[i].f; - ent->data = minor; - } - if (dev->driver->proc_init) { - ret = dev->driver->proc_init(minor); - if (ret) { - DRM_ERROR("DRM: Driver failed to initialize " - "/proc/dri.\n"); - goto fail; - } + ent->proc_fops = &drm_proc_fops; + ent->data = tmp; + tmp->minor = minor; + tmp->info_ent = &files[i]; + list_add(&(tmp->list), &(minor->proc_nodes.list)); } - return 0; - fail: - for (j = 0; j < i; j++) - remove_proc_entry(drm_proc_list[i].name, - minor->dev_root); - remove_proc_entry(name, root); - minor->dev_root = NULL; +fail: + for (i = 0; i < count; i++) + remove_proc_entry(drm_proc_list[i].name, minor->proc_root); return ret; } /** - * Cleanup the proc filesystem resources. + * Initialize the DRI proc filesystem for a device * - * \param minor device minor number. + * \param dev DRM device + * \param minor device minor number * \param root DRI proc dir entry. - * \param dev_root DRI device proc dir entry. - * \return always zero. + * \param dev_root resulting DRI device proc dir entry. + * \return root entry pointer on success, or NULL on failure. * - * Remove all proc entries created by proc_init(). + * Create the DRI proc root entry "/proc/dri", the device proc root entry + * "/proc/dri/%minor%/", and each entry in proc_list as + * "/proc/dri/%minor%/%name%". */ -int drm_proc_cleanup(struct drm_minor *minor, struct proc_dir_entry *root) +int drm_proc_init(struct drm_minor *minor, int minor_id, + struct proc_dir_entry *root) { struct drm_device *dev = minor->dev; - int i; char name[64]; + int ret; - if (!root || !minor->dev_root) - return 0; - - if (dev->driver->proc_cleanup) - dev->driver->proc_cleanup(minor); - - for (i = 0; i < DRM_PROC_ENTRIES; i++) - remove_proc_entry(drm_proc_list[i].name, minor->dev_root); - sprintf(name, "%d", minor->index); - remove_proc_entry(name, root); - - return 0; -} - -/** - * Called when "/proc/dri/.../name" is read. - * - * \param buf output buffer. - * \param start start of output data. - * \param offset requested start offset. - * \param request requested number of bytes. - * \param eof whether there is no more data to return. - * \param data private data. - * \return number of written bytes. - * - * Prints the device name together with the bus id if available. - */ -static int drm_name_info(char *buf, char **start, off_t offset, int request, - int *eof, void *data) -{ - struct drm_minor *minor = (struct drm_minor *) data; - struct drm_master *master = minor->master; - struct drm_device *dev = minor->dev; - int len = 0; - - if (offset > DRM_PROC_LIMIT) { - *eof = 1; - return 0; + INIT_LIST_HEAD(&minor->proc_nodes.list); + sprintf(name, "%d", minor_id); + minor->proc_root = proc_mkdir(name, root); + if (!minor->proc_root) { + DRM_ERROR("Cannot create /proc/dri/%s\n", name); + return -1; } - if (!master) - return 0; - - *start = &buf[offset]; - *eof = 0; - - if (master->unique) { - DRM_PROC_PRINT("%s %s %s\n", - dev->driver->pci_driver.name, - pci_name(dev->pdev), master->unique); - } else { - DRM_PROC_PRINT("%s %s\n", dev->driver->pci_driver.name, - pci_name(dev->pdev)); + ret = drm_proc_create_files(drm_proc_list, DRM_PROC_ENTRIES, + minor->proc_root, minor); + if (ret) { + remove_proc_entry(name, root); + minor->proc_root = NULL; + DRM_ERROR("Failed to create core drm proc files\n"); + return ret; } - if (len > request + offset) - return request; - *eof = 1; - return len - offset; -} - -/** - * Called when "/proc/dri/.../vm" is read. - * - * \param buf output buffer. - * \param start start of output data. - * \param offset requested start offset. - * \param request requested number of bytes. - * \param eof whether there is no more data to return. - * \param data private data. - * \return number of written bytes. - * - * Prints information about all mappings in drm_device::maplist. - */ -static int drm__vm_info(char *buf, char **start, off_t offset, int request, - int *eof, void *data) -{ - struct drm_minor *minor = (struct drm_minor *) data; - struct drm_device *dev = minor->dev; - int len = 0; - struct drm_local_map *map; - struct drm_map_list *r_list; - - /* Hardcoded from _DRM_FRAME_BUFFER, - _DRM_REGISTERS, _DRM_SHM, _DRM_AGP, and - _DRM_SCATTER_GATHER and _DRM_CONSISTENT */ - const char *types[] = { "FB", "REG", "SHM", "AGP", "SG", "PCI" }; - const char *type; - int i; - - if (offset > DRM_PROC_LIMIT) { - *eof = 1; - return 0; - } - - *start = &buf[offset]; - *eof = 0; - - DRM_PROC_PRINT("slot offset size type flags " - "address mtrr\n\n"); - i = 0; - list_for_each_entry(r_list, &dev->maplist, head) { - map = r_list->map; - if (!map) - continue; - if (map->type < 0 || map->type > 5) - type = "??"; - else - type = types[map->type]; - DRM_PROC_PRINT("%4d 0x%08llx 0x%08lx %4.4s 0x%02x 0x%08lx ", - i, - (unsigned long long)map->offset, - map->size, type, map->flags, - (unsigned long) r_list->user_token); - if (map->mtrr < 0) { - DRM_PROC_PRINT("none\n"); - } else { - DRM_PROC_PRINT("%4d\n", map->mtrr); + if (dev->driver->proc_init) { + ret = dev->driver->proc_init(minor); + if (ret) { + DRM_ERROR("DRM: Driver failed to initialize " + "/proc/dri.\n"); + return ret; } - i++; - } - - if (len > request + offset) - return request; - *eof = 1; - return len - offset; -} - -/** - * Simply calls _vm_info() while holding the drm_device::struct_mutex lock. - */ -static int drm_vm_info(char *buf, char **start, off_t offset, int request, - int *eof, void *data) -{ - struct drm_minor *minor = (struct drm_minor *) data; - struct drm_device *dev = minor->dev; - int ret; - - mutex_lock(&dev->struct_mutex); - ret = drm__vm_info(buf, start, offset, request, eof, data); - mutex_unlock(&dev->struct_mutex); - return ret; -} - -/** - * Called when "/proc/dri/.../queues" is read. - * - * \param buf output buffer. - * \param start start of output data. - * \param offset requested start offset. - * \param request requested number of bytes. - * \param eof whether there is no more data to return. - * \param data private data. - * \return number of written bytes. - */ -static int drm__queues_info(char *buf, char **start, off_t offset, - int request, int *eof, void *data) -{ - struct drm_minor *minor = (struct drm_minor *) data; - struct drm_device *dev = minor->dev; - int len = 0; - int i; - struct drm_queue *q; - - if (offset > DRM_PROC_LIMIT) { - *eof = 1; - return 0; } - - *start = &buf[offset]; - *eof = 0; - - DRM_PROC_PRINT(" ctx/flags use fin" - " blk/rw/rwf wait flushed queued" - " locks\n\n"); - for (i = 0; i < dev->queue_count; i++) { - q = dev->queuelist[i]; - atomic_inc(&q->use_count); - DRM_PROC_PRINT_RET(atomic_dec(&q->use_count), - "%5d/0x%03x %5d %5d" - " %5d/%c%c/%c%c%c %5Zd\n", - i, - q->flags, - atomic_read(&q->use_count), - atomic_read(&q->finalization), - atomic_read(&q->block_count), - atomic_read(&q->block_read) ? 'r' : '-', - atomic_read(&q->block_write) ? 'w' : '-', - waitqueue_active(&q->read_queue) ? 'r' : '-', - waitqueue_active(&q-> - write_queue) ? 'w' : '-', - waitqueue_active(&q-> - flush_queue) ? 'f' : '-', - DRM_BUFCOUNT(&q->waitlist)); - atomic_dec(&q->use_count); - } - - if (len > request + offset) - return request; - *eof = 1; - return len - offset; -} - -/** - * Simply calls _queues_info() while holding the drm_device::struct_mutex lock. - */ -static int drm_queues_info(char *buf, char **start, off_t offset, int request, - int *eof, void *data) -{ - struct drm_minor *minor = (struct drm_minor *) data; - struct drm_device *dev = minor->dev; - int ret; - - mutex_lock(&dev->struct_mutex); - ret = drm__queues_info(buf, start, offset, request, eof, data); - mutex_unlock(&dev->struct_mutex); - return ret; + return 0; } -/** - * Called when "/proc/dri/.../bufs" is read. - * - * \param buf output buffer. - * \param start start of output data. - * \param offset requested start offset. - * \param request requested number of bytes. - * \param eof whether there is no more data to return. - * \param data private data. - * \return number of written bytes. - */ -static int drm__bufs_info(char *buf, char **start, off_t offset, int request, - int *eof, void *data) +int drm_proc_remove_files(struct drm_info_list *files, int count, + struct drm_minor *minor) { - struct drm_minor *minor = (struct drm_minor *) data; - struct drm_device *dev = minor->dev; - int len = 0; - struct drm_device_dma *dma = dev->dma; + struct list_head *pos, *q; + struct drm_info_node *tmp; int i; - if (!dma || offset > DRM_PROC_LIMIT) { - *eof = 1; - return 0; - } - - *start = &buf[offset]; - *eof = 0; - - DRM_PROC_PRINT(" o size count free segs pages kB\n\n"); - for (i = 0; i <= DRM_MAX_ORDER; i++) { - if (dma->bufs[i].buf_count) - DRM_PROC_PRINT("%2d %8d %5d %5d %5d %5d %5ld\n", - i, - dma->bufs[i].buf_size, - dma->bufs[i].buf_count, - atomic_read(&dma->bufs[i] - .freelist.count), - dma->bufs[i].seg_count, - dma->bufs[i].seg_count - * (1 << dma->bufs[i].page_order), - (dma->bufs[i].seg_count - * (1 << dma->bufs[i].page_order)) - * PAGE_SIZE / 1024); - } - DRM_PROC_PRINT("\n"); - for (i = 0; i < dma->buf_count; i++) { - if (i && !(i % 32)) - DRM_PROC_PRINT("\n"); - DRM_PROC_PRINT(" %d", dma->buflist[i]->list); + for (i = 0; i < count; i++) { + list_for_each_safe(pos, q, &minor->proc_nodes.list) { + tmp = list_entry(pos, struct drm_info_node, list); + if (tmp->info_ent == &files[i]) { + remove_proc_entry(files[i].name, + minor->proc_root); + list_del(pos); + drm_free(tmp, sizeof(struct drm_info_node), + _DRM_DRIVER); + } + } } - DRM_PROC_PRINT("\n"); - - if (len > request + offset) - return request; - *eof = 1; - return len - offset; -} - -/** - * Simply calls _bufs_info() while holding the drm_device::struct_mutex lock. - */ -static int drm_bufs_info(char *buf, char **start, off_t offset, int request, - int *eof, void *data) -{ - struct drm_minor *minor = (struct drm_minor *) data; - struct drm_device *dev = minor->dev; - int ret; - - mutex_lock(&dev->struct_mutex); - ret = drm__bufs_info(buf, start, offset, request, eof, data); - mutex_unlock(&dev->struct_mutex); - return ret; + return 0; } /** - * Called when "/proc/dri/.../vblank" is read. + * Cleanup the proc filesystem resources. * - * \param buf output buffer. - * \param start start of output data. - * \param offset requested start offset. - * \param request requested number of bytes. - * \param eof whether there is no more data to return. - * \param data private data. - * \return number of written bytes. - */ -static int drm__vblank_info(char *buf, char **start, off_t offset, int request, - int *eof, void *data) -{ - struct drm_minor *minor = (struct drm_minor *) data; - struct drm_device *dev = minor->dev; - int len = 0; - int crtc; - - if (offset > DRM_PROC_LIMIT) { - *eof = 1; - return 0; - } - - *start = &buf[offset]; - *eof = 0; - - for (crtc = 0; crtc < dev->num_crtcs; crtc++) { - DRM_PROC_PRINT("CRTC %d enable: %d\n", - crtc, atomic_read(&dev->vblank_refcount[crtc])); - DRM_PROC_PRINT("CRTC %d counter: %d\n", - crtc, drm_vblank_count(dev, crtc)); - DRM_PROC_PRINT("CRTC %d last wait: %d\n", - crtc, dev->last_vblank_wait[crtc]); - DRM_PROC_PRINT("CRTC %d in modeset: %d\n", - crtc, dev->vblank_inmodeset[crtc]); - } - - if (len > request + offset) - return request; - *eof = 1; - return len - offset; -} - -/** - * Simply calls _vblank_info() while holding the drm_device::struct_mutex lock. - */ -static int drm_vblank_info(char *buf, char **start, off_t offset, int request, - int *eof, void *data) -{ - struct drm_minor *minor = (struct drm_minor *) data; - struct drm_device *dev = minor->dev; - int ret; - - mutex_lock(&dev->struct_mutex); - ret = drm__vblank_info(buf, start, offset, request, eof, data); - mutex_unlock(&dev->struct_mutex); - return ret; -} - -/** - * Called when "/proc/dri/.../clients" is read. + * \param minor device minor number. + * \param root DRI proc dir entry. + * \param dev_root DRI device proc dir entry. + * \return always zero. * - * \param buf output buffer. - * \param start start of output data. - * \param offset requested start offset. - * \param request requested number of bytes. - * \param eof whether there is no more data to return. - * \param data private data. - * \return number of written bytes. + * Remove all proc entries created by proc_init(). */ -static int drm__clients_info(char *buf, char **start, off_t offset, - int request, int *eof, void *data) +int drm_proc_cleanup(struct drm_minor *minor, struct proc_dir_entry *root) { - struct drm_minor *minor = (struct drm_minor *) data; struct drm_device *dev = minor->dev; - int len = 0; - struct drm_file *priv; + char name[64]; - if (offset > DRM_PROC_LIMIT) { - *eof = 1; + if (!root || !minor->proc_root) return 0; - } - - *start = &buf[offset]; - *eof = 0; - - DRM_PROC_PRINT("a dev pid uid magic ioctls\n\n"); - list_for_each_entry(priv, &dev->filelist, lhead) { - DRM_PROC_PRINT("%c %3d %5d %5d %10u %10lu\n", - priv->authenticated ? 'y' : 'n', - priv->minor->index, - priv->pid, - priv->uid, priv->magic, priv->ioctl_count); - } - if (len > request + offset) - return request; - *eof = 1; - return len - offset; -} - -/** - * Simply calls _clients_info() while holding the drm_device::struct_mutex lock. - */ -static int drm_clients_info(char *buf, char **start, off_t offset, - int request, int *eof, void *data) -{ - struct drm_minor *minor = (struct drm_minor *) data; - struct drm_device *dev = minor->dev; - int ret; - - mutex_lock(&dev->struct_mutex); - ret = drm__clients_info(buf, start, offset, request, eof, data); - mutex_unlock(&dev->struct_mutex); - return ret; -} - -struct drm_gem_name_info_data { - int len; - char *buf; - int eof; -}; + if (dev->driver->proc_cleanup) + dev->driver->proc_cleanup(minor); -static int drm_gem_one_name_info(int id, void *ptr, void *data) -{ - struct drm_gem_object *obj = ptr; - struct drm_gem_name_info_data *nid = data; + drm_proc_remove_files(drm_proc_list, DRM_PROC_ENTRIES, minor); - DRM_INFO("name %d size %zd\n", obj->name, obj->size); - if (nid->eof) - return 0; + sprintf(name, "%d", minor->index); + remove_proc_entry(name, root); - nid->len += sprintf(&nid->buf[nid->len], - "%6d %8zd %7d %8d\n", - obj->name, obj->size, - atomic_read(&obj->handlecount.refcount), - atomic_read(&obj->refcount.refcount)); - if (nid->len > DRM_PROC_LIMIT) { - nid->eof = 1; - return 0; - } return 0; } -static int drm_gem_name_info(char *buf, char **start, off_t offset, - int request, int *eof, void *data) -{ - struct drm_minor *minor = (struct drm_minor *) data; - struct drm_device *dev = minor->dev; - struct drm_gem_name_info_data nid; - - if (offset > DRM_PROC_LIMIT) { - *eof = 1; - return 0; - } - - nid.len = sprintf(buf, " name size handles refcount\n"); - nid.buf = buf; - nid.eof = 0; - idr_for_each(&dev->object_name_idr, drm_gem_one_name_info, &nid); - - *start = &buf[offset]; - *eof = 0; - if (nid.len > request + offset) - return request; - *eof = 1; - return nid.len - offset; -} - -static int drm_gem_object_info(char *buf, char **start, off_t offset, - int request, int *eof, void *data) -{ - struct drm_minor *minor = (struct drm_minor *) data; - struct drm_device *dev = minor->dev; - int len = 0; - - if (offset > DRM_PROC_LIMIT) { - *eof = 1; - return 0; - } - - *start = &buf[offset]; - *eof = 0; - DRM_PROC_PRINT("%d objects\n", atomic_read(&dev->object_count)); - DRM_PROC_PRINT("%d object bytes\n", atomic_read(&dev->object_memory)); - DRM_PROC_PRINT("%d pinned\n", atomic_read(&dev->pin_count)); - DRM_PROC_PRINT("%d pin bytes\n", atomic_read(&dev->pin_memory)); - DRM_PROC_PRINT("%d gtt bytes\n", atomic_read(&dev->gtt_memory)); - DRM_PROC_PRINT("%d gtt total\n", dev->gtt_total); - if (len > request + offset) - return request; - *eof = 1; - return len - offset; -} - -#if DRM_DEBUG_CODE - -static int drm__vma_info(char *buf, char **start, off_t offset, int request, - int *eof, void *data) -{ - struct drm_minor *minor = (struct drm_minor *) data; - struct drm_device *dev = minor->dev; - int len = 0; - struct drm_vma_entry *pt; - struct vm_area_struct *vma; -#if defined(__i386__) - unsigned int pgprot; -#endif - - if (offset > DRM_PROC_LIMIT) { - *eof = 1; - return 0; - } - - *start = &buf[offset]; - *eof = 0; - - DRM_PROC_PRINT("vma use count: %d, high_memory = %p, 0x%08lx\n", - atomic_read(&dev->vma_count), - high_memory, virt_to_phys(high_memory)); - list_for_each_entry(pt, &dev->vmalist, head) { - if (!(vma = pt->vma)) - continue; - DRM_PROC_PRINT("\n%5d 0x%08lx-0x%08lx %c%c%c%c%c%c 0x%08lx000", - pt->pid, - vma->vm_start, - vma->vm_end, - vma->vm_flags & VM_READ ? 'r' : '-', - vma->vm_flags & VM_WRITE ? 'w' : '-', - vma->vm_flags & VM_EXEC ? 'x' : '-', - vma->vm_flags & VM_MAYSHARE ? 's' : 'p', - vma->vm_flags & VM_LOCKED ? 'l' : '-', - vma->vm_flags & VM_IO ? 'i' : '-', - vma->vm_pgoff); - -#if defined(__i386__) - pgprot = pgprot_val(vma->vm_page_prot); - DRM_PROC_PRINT(" %c%c%c%c%c%c%c%c%c", - pgprot & _PAGE_PRESENT ? 'p' : '-', - pgprot & _PAGE_RW ? 'w' : 'r', - pgprot & _PAGE_USER ? 'u' : 's', - pgprot & _PAGE_PWT ? 't' : 'b', - pgprot & _PAGE_PCD ? 'u' : 'c', - pgprot & _PAGE_ACCESSED ? 'a' : '-', - pgprot & _PAGE_DIRTY ? 'd' : '-', - pgprot & _PAGE_PSE ? 'm' : 'k', - pgprot & _PAGE_GLOBAL ? 'g' : 'l'); -#endif - DRM_PROC_PRINT("\n"); - } - - if (len > request + offset) - return request; - *eof = 1; - return len - offset; -} - -static int drm_vma_info(char *buf, char **start, off_t offset, int request, - int *eof, void *data) -{ - struct drm_minor *minor = (struct drm_minor *) data; - struct drm_device *dev = minor->dev; - int ret; - - mutex_lock(&dev->struct_mutex); - ret = drm__vma_info(buf, start, offset, request, eof, data); - mutex_unlock(&dev->struct_mutex); - return ret; -} -#endif diff --git a/drivers/gpu/drm/drm_stub.c b/drivers/gpu/drm/drm_stub.c index 45a536b9d7f5..d009661781bc 100644 --- a/drivers/gpu/drm/drm_stub.c +++ b/drivers/gpu/drm/drm_stub.c @@ -50,6 +50,7 @@ struct idr drm_minors_idr; struct class *drm_class; struct proc_dir_entry *drm_proc_root; +struct dentry *drm_debugfs_root; static int drm_minor_get_id(struct drm_device *dev, int type) { @@ -313,7 +314,15 @@ static int drm_get_minor(struct drm_device *dev, struct drm_minor **minor, int t goto err_mem; } } else - new_minor->dev_root = NULL; + new_minor->proc_root = NULL; + +#if defined(CONFIG_DEBUG_FS) + ret = drm_debugfs_init(new_minor, minor_id, drm_debugfs_root); + if (ret) { + DRM_ERROR("DRM: Failed to initialize /debugfs/dri.\n"); + goto err_g2; + } +#endif ret = drm_sysfs_device_add(new_minor); if (ret) { @@ -430,6 +439,10 @@ int drm_put_minor(struct drm_minor **minor_p) if (minor->type == DRM_MINOR_LEGACY) drm_proc_cleanup(minor, drm_proc_root); +#if defined(CONFIG_DEBUG_FS) + drm_debugfs_cleanup(minor); +#endif + drm_sysfs_device_remove(minor); idr_remove(&drm_minors_idr, minor->index); diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile index 793cba39d832..51c5a050aa73 100644 --- a/drivers/gpu/drm/i915/Makefile +++ b/drivers/gpu/drm/i915/Makefile @@ -7,7 +7,7 @@ i915-y := i915_drv.o i915_dma.o i915_irq.o i915_mem.o \ i915_suspend.o \ i915_gem.o \ i915_gem_debug.o \ - i915_gem_proc.o \ + i915_gem_debugfs.o \ i915_gem_tiling.o \ intel_display.o \ intel_crt.o \ diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index d10ec9e5033c..2c0167693450 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -182,8 +182,10 @@ static struct drm_driver driver = { .get_reg_ofs = drm_core_get_reg_ofs, .master_create = i915_master_create, .master_destroy = i915_master_destroy, - .proc_init = i915_gem_proc_init, - .proc_cleanup = i915_gem_proc_cleanup, +#if defined(CONFIG_DEBUG_FS) + .debugfs_init = i915_gem_debugfs_init, + .debugfs_cleanup = i915_gem_debugfs_cleanup, +#endif .gem_init_object = i915_gem_init_object, .gem_free_object = i915_gem_free_object, .gem_vm_ops = &i915_gem_vm_ops, diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index d6cc9861e0a1..1bc45a78ffcd 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -604,8 +604,6 @@ int i915_gem_get_tiling(struct drm_device *dev, void *data, int i915_gem_get_aperture_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); void i915_gem_load(struct drm_device *dev); -int i915_gem_proc_init(struct drm_minor *minor); -void i915_gem_proc_cleanup(struct drm_minor *minor); int i915_gem_init_object(struct drm_gem_object *obj); void i915_gem_free_object(struct drm_gem_object *obj); int i915_gem_object_pin(struct drm_gem_object *obj, uint32_t alignment); @@ -649,6 +647,10 @@ void i915_gem_dump_object(struct drm_gem_object *obj, int len, const char *where, uint32_t mark); void i915_dump_lru(struct drm_device *dev, const char *where); +/* i915_debugfs.c */ +int i915_gem_debugfs_init(struct drm_minor *minor); +void i915_gem_debugfs_cleanup(struct drm_minor *minor); + /* i915_suspend.c */ extern int i915_save_state(struct drm_device *dev); extern int i915_restore_state(struct drm_device *dev); diff --git a/drivers/gpu/drm/i915/i915_gem_debugfs.c b/drivers/gpu/drm/i915/i915_gem_debugfs.c new file mode 100644 index 000000000000..dd2b0edb9963 --- /dev/null +++ b/drivers/gpu/drm/i915/i915_gem_debugfs.c @@ -0,0 +1,230 @@ +/* + * Copyright © 2008 Intel Corporation + * + * 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 (including the next + * paragraph) 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. + * + * Authors: + * Eric Anholt <eric@anholt.net> + * Keith Packard <keithp@keithp.com> + * + */ + +#include <linux/seq_file.h> +#include "drmP.h" +#include "drm.h" +#include "i915_drm.h" +#include "i915_drv.h" + +#define DRM_I915_RING_DEBUG 1 + + +#if defined(CONFIG_DEBUG_FS) + +static int i915_gem_active_info(struct seq_file *m, void *data) +{ + struct drm_info_node *node = (struct drm_info_node *) m->private; + struct drm_device *dev = node->minor->dev; + drm_i915_private_t *dev_priv = dev->dev_private; + struct drm_i915_gem_object *obj_priv; + + seq_printf(m, "Active:\n"); + list_for_each_entry(obj_priv, &dev_priv->mm.active_list, + list) + { + struct drm_gem_object *obj = obj_priv->obj; + if (obj->name) { + seq_printf(m, " %p(%d): %08x %08x %d\n", + obj, obj->name, + obj->read_domains, obj->write_domain, + obj_priv->last_rendering_seqno); + } else { + seq_printf(m, " %p: %08x %08x %d\n", + obj, + obj->read_domains, obj->write_domain, + obj_priv->last_rendering_seqno); + } + } + return 0; +} + +static int i915_gem_flushing_info(struct seq_file *m, void *data) +{ + struct drm_info_node *node = (struct drm_info_node *) m->private; + struct drm_device *dev = node->minor->dev; + drm_i915_private_t *dev_priv = dev->dev_private; + struct drm_i915_gem_object *obj_priv; + + seq_printf(m, "Flushing:\n"); + list_for_each_entry(obj_priv, &dev_priv->mm.flushing_list, + list) + { + struct drm_gem_object *obj = obj_priv->obj; + if (obj->name) { + seq_printf(m, " %p(%d): %08x %08x %d\n", + obj, obj->name, + obj->read_domains, obj->write_domain, + obj_priv->last_rendering_seqno); + } else { + seq_printf(m, " %p: %08x %08x %d\n", obj, + obj->read_domains, obj->write_domain, + obj_priv->last_rendering_seqno); + } + } + return 0; +} + +static int i915_gem_inactive_info(struct seq_file *m, void *data) +{ + struct drm_info_node *node = (struct drm_info_node *) m->private; + struct drm_device *dev = node->minor->dev; + drm_i915_private_t *dev_priv = dev->dev_private; + struct drm_i915_gem_object *obj_priv; + + seq_printf(m, "Inactive:\n"); + list_for_each_entry(obj_priv, &dev_priv->mm.inactive_list, + list) + { + struct drm_gem_object *obj = obj_priv->obj; + if (obj->name) { + seq_printf(m, " %p(%d): %08x %08x %d\n", + obj, obj->name, + obj->read_domains, obj->write_domain, + obj_priv->last_rendering_seqno); + } else { + seq_printf(m, " %p: %08x %08x %d\n", obj, + obj->read_domains, obj->write_domain, + obj_priv->last_rendering_seqno); + } + } + return 0; +} + +static int i915_gem_request_info(struct seq_file *m, void *data) +{ + struct drm_info_node *node = (struct drm_info_node *) m->private; + struct drm_device *dev = node->minor->dev; + drm_i915_private_t *dev_priv = dev->dev_private; + struct drm_i915_gem_request *gem_request; + + seq_printf(m, "Request:\n"); + list_for_each_entry(gem_request, &dev_priv->mm.request_list, list) { + seq_printf(m, " %d @ %d\n", + gem_request->seqno, + (int) (jiffies - gem_request->emitted_jiffies)); + } + return 0; +} + +static int i915_gem_seqno_info(struct seq_file *m, void *data) +{ + struct drm_info_node *node = (struct drm_info_node *) m->private; + struct drm_device *dev = node->minor->dev; + drm_i915_private_t *dev_priv = dev->dev_private; + + if (dev_priv->hw_status_page != NULL) { + seq_printf(m, "Current sequence: %d\n", + i915_get_gem_seqno(dev)); + } else { + seq_printf(m, "Current sequence: hws uninitialized\n"); + } + seq_printf(m, "Waiter sequence: %d\n", + dev_priv->mm.waiting_gem_seqno); + seq_printf(m, "IRQ sequence: %d\n", dev_priv->mm.irq_gem_seqno); + return 0; +} + + +static int i915_interrupt_info(struct seq_file *m, void *data) +{ + struct drm_info_node *node = (struct drm_info_node *) m->private; + struct drm_device *dev = node->minor->dev; + drm_i915_private_t *dev_priv = dev->dev_private; + + seq_printf(m, "Interrupt enable: %08x\n", + I915_READ(IER)); + seq_printf(m, "Interrupt identity: %08x\n", + I915_READ(IIR)); + seq_printf(m, "Interrupt mask: %08x\n", + I915_READ(IMR)); + seq_printf(m, "Pipe A stat: %08x\n", + I915_READ(PIPEASTAT)); + seq_printf(m, "Pipe B stat: %08x\n", + I915_READ(PIPEBSTAT)); + seq_printf(m, "Interrupts received: %d\n", + atomic_read(&dev_priv->irq_received)); + if (dev_priv->hw_status_page != NULL) { + seq_printf(m, "Current sequence: %d\n", + i915_get_gem_seqno(dev)); + } else { + seq_printf(m, "Current sequence: hws uninitialized\n"); + } + seq_printf(m, "Waiter sequence: %d\n", + dev_priv->mm.waiting_gem_seqno); + seq_printf(m, "IRQ sequence: %d\n", + dev_priv->mm.irq_gem_seqno); + return 0; +} + +static int i915_hws_info(struct seq_file *m, void *data) +{ + struct drm_info_node *node = (struct drm_info_node *) m->private; + struct drm_device *dev = node->minor->dev; + drm_i915_private_t *dev_priv = dev->dev_private; + int i; + volatile u32 *hws; + + hws = (volatile u32 *)dev_priv->hw_status_page; + if (hws == NULL) + return 0; + + for (i = 0; i < 4096 / sizeof(u32) / 4; i += 4) { + seq_printf(m, "0x%08x: 0x%08x 0x%08x 0x%08x 0x%08x\n", + i * 4, + hws[i], hws[i + 1], hws[i + 2], hws[i + 3]); + } + return 0; +} + +static struct drm_info_list i915_gem_debugfs_list[] = { + {"i915_gem_active", i915_gem_active_info, 0}, + {"i915_gem_flushing", i915_gem_flushing_info, 0}, + {"i915_gem_inactive", i915_gem_inactive_info, 0}, + {"i915_gem_request", i915_gem_request_info, 0}, + {"i915_gem_seqno", i915_gem_seqno_info, 0}, + {"i915_gem_interrupt", i915_interrupt_info, 0}, + {"i915_gem_hws", i915_hws_info, 0}, +}; +#define I915_GEM_DEBUGFS_ENTRIES ARRAY_SIZE(i915_gem_debugfs_list) + +int i915_gem_debugfs_init(struct drm_minor *minor) +{ + return drm_debugfs_create_files(i915_gem_debugfs_list, + I915_GEM_DEBUGFS_ENTRIES, + minor->debugfs_root, minor); +} + +void i915_gem_debugfs_cleanup(struct drm_minor *minor) +{ + drm_debugfs_remove_files(i915_gem_debugfs_list, + I915_GEM_DEBUGFS_ENTRIES, minor); +} + +#endif /* CONFIG_DEBUG_FS */ + diff --git a/drivers/gpu/drm/i915/i915_gem_proc.c b/drivers/gpu/drm/i915/i915_gem_proc.c deleted file mode 100644 index 4d1b9de0cd8b..000000000000 --- a/drivers/gpu/drm/i915/i915_gem_proc.c +++ /dev/null @@ -1,334 +0,0 @@ -/* - * Copyright © 2008 Intel Corporation - * - * 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 (including the next - * paragraph) 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. - * - * Authors: - * Eric Anholt <eric@anholt.net> - * Keith Packard <keithp@keithp.com> - * - */ - -#include "drmP.h" -#include "drm.h" -#include "i915_drm.h" -#include "i915_drv.h" - -static int i915_gem_active_info(char *buf, char **start, off_t offset, - int request, int *eof, void *data) -{ - struct drm_minor *minor = (struct drm_minor *) data; - struct drm_device *dev = minor->dev; - drm_i915_private_t *dev_priv = dev->dev_private; - struct drm_i915_gem_object *obj_priv; - int len = 0; - - if (offset > DRM_PROC_LIMIT) { - *eof = 1; - return 0; - } - - *start = &buf[offset]; - *eof = 0; - DRM_PROC_PRINT("Active:\n"); - list_for_each_entry(obj_priv, &dev_priv->mm.active_list, - list) - { - struct drm_gem_object *obj = obj_priv->obj; - if (obj->name) { - DRM_PROC_PRINT(" %p(%d): %08x %08x %d\n", - obj, obj->name, - obj->read_domains, obj->write_domain, - obj_priv->last_rendering_seqno); - } else { - DRM_PROC_PRINT(" %p: %08x %08x %d\n", - obj, - obj->read_domains, obj->write_domain, - obj_priv->last_rendering_seqno); - } - } - if (len > request + offset) - return request; - *eof = 1; - return len - offset; -} - -static int i915_gem_flushing_info(char *buf, char **start, off_t offset, - int request, int *eof, void *data) -{ - struct drm_minor *minor = (struct drm_minor *) data; - struct drm_device *dev = minor->dev; - drm_i915_private_t *dev_priv = dev->dev_private; - struct drm_i915_gem_object *obj_priv; - int len = 0; - - if (offset > DRM_PROC_LIMIT) { - *eof = 1; - return 0; - } - - *start = &buf[offset]; - *eof = 0; - DRM_PROC_PRINT("Flushing:\n"); - list_for_each_entry(obj_priv, &dev_priv->mm.flushing_list, - list) - { - struct drm_gem_object *obj = obj_priv->obj; - if (obj->name) { - DRM_PROC_PRINT(" %p(%d): %08x %08x %d\n", - obj, obj->name, - obj->read_domains, obj->write_domain, - obj_priv->last_rendering_seqno); - } else { - DRM_PROC_PRINT(" %p: %08x %08x %d\n", obj, - obj->read_domains, obj->write_domain, - obj_priv->last_rendering_seqno); - } - } - if (len > request + offset) - return request; - *eof = 1; - return len - offset; -} - -static int i915_gem_inactive_info(char *buf, char **start, off_t offset, - int request, int *eof, void *data) -{ - struct drm_minor *minor = (struct drm_minor *) data; - struct drm_device *dev = minor->dev; - drm_i915_private_t *dev_priv = dev->dev_private; - struct drm_i915_gem_object *obj_priv; - int len = 0; - - if (offset > DRM_PROC_LIMIT) { - *eof = 1; - return 0; - } - - *start = &buf[offset]; - *eof = 0; - DRM_PROC_PRINT("Inactive:\n"); - list_for_each_entry(obj_priv, &dev_priv->mm.inactive_list, - list) - { - struct drm_gem_object *obj = obj_priv->obj; - if (obj->name) { - DRM_PROC_PRINT(" %p(%d): %08x %08x %d\n", - obj, obj->name, - obj->read_domains, obj->write_domain, - obj_priv->last_rendering_seqno); - } else { - DRM_PROC_PRINT(" %p: %08x %08x %d\n", obj, - obj->read_domains, obj->write_domain, - obj_priv->last_rendering_seqno); - } - } - if (len > request + offset) - return request; - *eof = 1; - return len - offset; -} - -static int i915_gem_request_info(char *buf, char **start, off_t offset, - int request, int *eof, void *data) -{ - struct drm_minor *minor = (struct drm_minor *) data; - struct drm_device *dev = minor->dev; - drm_i915_private_t *dev_priv = dev->dev_private; - struct drm_i915_gem_request *gem_request; - int len = 0; - - if (offset > DRM_PROC_LIMIT) { - *eof = 1; - return 0; - } - - *start = &buf[offset]; - *eof = 0; - DRM_PROC_PRINT("Request:\n"); - list_for_each_entry(gem_request, &dev_priv->mm.request_list, - list) - { - DRM_PROC_PRINT(" %d @ %d\n", - gem_request->seqno, - (int) (jiffies - gem_request->emitted_jiffies)); - } - if (len > request + offset) - return request; - *eof = 1; - return len - offset; -} - -static int i915_gem_seqno_info(char *buf, char **start, off_t offset, - int request, int *eof, void *data) -{ - struct drm_minor *minor = (struct drm_minor *) data; - struct drm_device *dev = minor->dev; - drm_i915_private_t *dev_priv = dev->dev_private; - int len = 0; - - if (offset > DRM_PROC_LIMIT) { - *eof = 1; - return 0; - } - - *start = &buf[offset]; - *eof = 0; - if (dev_priv->hw_status_page != NULL) { - DRM_PROC_PRINT("Current sequence: %d\n", - i915_get_gem_seqno(dev)); - } else { - DRM_PROC_PRINT("Current sequence: hws uninitialized\n"); - } - DRM_PROC_PRINT("Waiter sequence: %d\n", - dev_priv->mm.waiting_gem_seqno); - DRM_PROC_PRINT("IRQ sequence: %d\n", dev_priv->mm.irq_gem_seqno); - if (len > request + offset) - return request; - *eof = 1; - return len - offset; -} - - -static int i915_interrupt_info(char *buf, char **start, off_t offset, - int request, int *eof, void *data) -{ - struct drm_minor *minor = (struct drm_minor *) data; - struct drm_device *dev = minor->dev; - drm_i915_private_t *dev_priv = dev->dev_private; - int len = 0; - - if (offset > DRM_PROC_LIMIT) { - *eof = 1; - return 0; - } - - *start = &buf[offset]; - *eof = 0; - DRM_PROC_PRINT("Interrupt enable: %08x\n", - I915_READ(IER)); - DRM_PROC_PRINT("Interrupt identity: %08x\n", - I915_READ(IIR)); - DRM_PROC_PRINT("Interrupt mask: %08x\n", - I915_READ(IMR)); - DRM_PROC_PRINT("Pipe A stat: %08x\n", - I915_READ(PIPEASTAT)); - DRM_PROC_PRINT("Pipe B stat: %08x\n", - I915_READ(PIPEBSTAT)); - DRM_PROC_PRINT("Interrupts received: %d\n", - atomic_read(&dev_priv->irq_received)); - if (dev_priv->hw_status_page != NULL) { - DRM_PROC_PRINT("Current sequence: %d\n", - i915_get_gem_seqno(dev)); - } else { - DRM_PROC_PRINT("Current sequence: hws uninitialized\n"); - } - DRM_PROC_PRINT("Waiter sequence: %d\n", - dev_priv->mm.waiting_gem_seqno); - DRM_PROC_PRINT("IRQ sequence: %d\n", - dev_priv->mm.irq_gem_seqno); - if (len > request + offset) - return request; - *eof = 1; - return len - offset; -} - -static int i915_hws_info(char *buf, char **start, off_t offset, - int request, int *eof, void *data) -{ - struct drm_minor *minor = (struct drm_minor *) data; - struct drm_device *dev = minor->dev; - drm_i915_private_t *dev_priv = dev->dev_private; - int len = 0, i; - volatile u32 *hws; - - if (offset > DRM_PROC_LIMIT) { - *eof = 1; - return 0; - } - - hws = (volatile u32 *)dev_priv->hw_status_page; - if (hws == NULL) { - *eof = 1; - return 0; - } - - *start = &buf[offset]; - *eof = 0; - for (i = 0; i < 4096 / sizeof(u32) / 4; i += 4) { - DRM_PROC_PRINT("0x%08x: 0x%08x 0x%08x 0x%08x 0x%08x\n", - i * 4, - hws[i], hws[i + 1], hws[i + 2], hws[i + 3]); - } - if (len > request + offset) - return request; - *eof = 1; - return len - offset; -} - -static struct drm_proc_list { - /** file name */ - const char *name; - /** proc callback*/ - int (*f) (char *, char **, off_t, int, int *, void *); -} i915_gem_proc_list[] = { - {"i915_gem_active", i915_gem_active_info}, - {"i915_gem_flushing", i915_gem_flushing_info}, - {"i915_gem_inactive", i915_gem_inactive_info}, - {"i915_gem_request", i915_gem_request_info}, - {"i915_gem_seqno", i915_gem_seqno_info}, - {"i915_gem_interrupt", i915_interrupt_info}, - {"i915_gem_hws", i915_hws_info}, -}; - -#define I915_GEM_PROC_ENTRIES ARRAY_SIZE(i915_gem_proc_list) - -int i915_gem_proc_init(struct drm_minor *minor) -{ - struct proc_dir_entry *ent; - int i, j; - - for (i = 0; i < I915_GEM_PROC_ENTRIES; i++) { - ent = create_proc_entry(i915_gem_proc_list[i].name, - S_IFREG | S_IRUGO, minor->dev_root); - if (!ent) { - DRM_ERROR("Cannot create /proc/dri/.../%s\n", - i915_gem_proc_list[i].name); - for (j = 0; j < i; j++) - remove_proc_entry(i915_gem_proc_list[i].name, - minor->dev_root); - return -1; - } - ent->read_proc = i915_gem_proc_list[i].f; - ent->data = minor; - } - return 0; -} - -void i915_gem_proc_cleanup(struct drm_minor *minor) -{ - int i; - - if (!minor->dev_root) - return; - - for (i = 0; i < I915_GEM_PROC_ENTRIES; i++) - remove_proc_entry(i915_gem_proc_list[i].name, minor->dev_root); -} diff --git a/include/drm/drmP.h b/include/drm/drmP.h index 458e38e1d538..ccbcd13b6ed3 100644 --- a/include/drm/drmP.h +++ b/include/drm/drmP.h @@ -770,6 +770,8 @@ struct drm_driver { int (*proc_init)(struct drm_minor *minor); void (*proc_cleanup)(struct drm_minor *minor); + int (*debugfs_init)(struct drm_minor *minor); + void (*debugfs_cleanup)(struct drm_minor *minor); /** * Driver-specific constructor for drm_gem_objects, to set up @@ -805,6 +807,48 @@ struct drm_driver { #define DRM_MINOR_CONTROL 2 #define DRM_MINOR_RENDER 3 + +/** + * debugfs node list. This structure represents a debugfs file to + * be created by the drm core + */ +struct drm_debugfs_list { + const char *name; /** file name */ + int (*show)(struct seq_file*, void*); /** show callback */ + u32 driver_features; /**< Required driver features for this entry */ +}; + +/** + * debugfs node structure. This structure represents a debugfs file. + */ +struct drm_debugfs_node { + struct list_head list; + struct drm_minor *minor; + struct drm_debugfs_list *debugfs_ent; + struct dentry *dent; +}; + +/** + * Info file list entry. This structure represents a debugfs or proc file to + * be created by the drm core + */ +struct drm_info_list { + const char *name; /** file name */ + int (*show)(struct seq_file*, void*); /** show callback */ + u32 driver_features; /**< Required driver features for this entry */ + void *data; +}; + +/** + * debugfs node structure. This structure represents a debugfs file. + */ +struct drm_info_node { + struct list_head list; + struct drm_minor *minor; + struct drm_info_list *info_ent; + struct dentry *dent; +}; + /** * DRM minor structure. This structure represents a drm minor number. */ @@ -814,7 +858,12 @@ struct drm_minor { dev_t device; /**< Device number for mknod */ struct device kdev; /**< Linux device */ struct drm_device *dev; - struct proc_dir_entry *dev_root; /**< proc directory entry */ + + struct proc_dir_entry *proc_root; /**< proc directory entry */ + struct drm_info_node proc_nodes; + struct dentry *debugfs_root; + struct drm_info_node debugfs_nodes; + struct drm_master *master; /* currently active master for this node */ struct list_head master_list; struct drm_mode_group mode_group; @@ -1270,6 +1319,7 @@ extern unsigned int drm_debug; extern struct class *drm_class; extern struct proc_dir_entry *drm_proc_root; +extern struct dentry *drm_debugfs_root; extern struct idr drm_minors_idr; @@ -1280,6 +1330,31 @@ extern int drm_proc_init(struct drm_minor *minor, int minor_id, struct proc_dir_entry *root); extern int drm_proc_cleanup(struct drm_minor *minor, struct proc_dir_entry *root); + /* Debugfs support */ +#if defined(CONFIG_DEBUG_FS) +extern int drm_debugfs_init(struct drm_minor *minor, int minor_id, + struct dentry *root); +extern int drm_debugfs_create_files(struct drm_info_list *files, int count, + struct dentry *root, struct drm_minor *minor); +extern int drm_debugfs_remove_files(struct drm_info_list *files, int count, + struct drm_minor *minor); +extern int drm_debugfs_cleanup(struct drm_minor *minor); +#endif + + /* Info file support */ +extern int drm_name_info(struct seq_file *m, void *data); +extern int drm_vm_info(struct seq_file *m, void *data); +extern int drm_queues_info(struct seq_file *m, void *data); +extern int drm_bufs_info(struct seq_file *m, void *data); +extern int drm_vblank_info(struct seq_file *m, void *data); +extern int drm_clients_info(struct seq_file *m, void* data); +extern int drm_gem_name_info(struct seq_file *m, void *data); +extern int drm_gem_object_info(struct seq_file *m, void* data); + +#if DRM_DEBUG_CODE +extern int drm_vma_info(struct seq_file *m, void *data); +#endif + /* Scatter Gather Support (drm_scatter.h) */ extern void drm_sg_cleanup(struct drm_sg_mem * entry); extern int drm_sg_alloc_ioctl(struct drm_device *dev, void *data, |