X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fchar%2Fdrm%2Fdrm_proc.c;fp=drivers%2Fchar%2Fdrm%2Fdrm_proc.c;h=362a270af0f10c53387069b2b7124ce788f23e96;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=6e06e8c6a51676222027317d3cee98ac168e9a73;hpb=cee37fe97739d85991964371c1f3a745c00dd236;p=linux-2.6.git diff --git a/drivers/char/drm/drm_proc.c b/drivers/char/drm/drm_proc.c index 6e06e8c6a..362a270af 100644 --- a/drivers/char/drm/drm_proc.c +++ b/drivers/char/drm/drm_proc.c @@ -1,5 +1,5 @@ /** - * \file drm_proc.h + * \file drm_proc.c * /proc support for DRM * * \author Rickard E. (Rik) Faith @@ -39,38 +39,39 @@ #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_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); #if DRM_DEBUG_CODE -static int drm_vma_info(char *buf, char **start, off_t offset, - int request, int *eof, void *data); +static int drm_vma_info(char *buf, char **start, off_t offset, + int request, int *eof, void *data); #endif /** * Proc file list. */ -struct drm_proc_list { +static struct drm_proc_list { const char *name; /**< file name */ - int (*f)(char *, char **, off_t, int, int *, void *); /**< proc callback*/ + int (*f) (char *, char **, off_t, int, int *, void *); /**< proc callback*/ } drm_proc_list[] = { - { "name", drm_name_info }, - { "mem", drm_mem_info }, - { "vm", drm_vm_info }, - { "clients", drm_clients_info }, - { "queues", drm_queues_info }, - { "bufs", drm_bufs_info }, + {"name", drm_name_info}, + {"mem", drm_mem_info}, + {"vm", drm_vm_info}, + {"clients", drm_clients_info}, + {"queues", drm_queues_info}, + {"bufs", drm_bufs_info}, #if DRM_DEBUG_CODE - { "vma", drm_vma_info }, + {"vma", drm_vma_info}, #endif }; + #define DRM_PROC_ENTRIES (sizeof(drm_proc_list)/sizeof(drm_proc_list[0])) /** @@ -81,21 +82,20 @@ struct drm_proc_list { * \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. - * + * * 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_init(drm_device_t *dev, int minor, - struct proc_dir_entry *root, - struct proc_dir_entry **dev_root) +int drm_proc_init(drm_device_t * dev, int minor, + struct proc_dir_entry *root, struct proc_dir_entry **dev_root) { struct proc_dir_entry *ent; - int i, j; - char name[64]; + int i, j; + char name[64]; sprintf(name, "%d", minor); - *dev_root = create_proc_entry(name, S_IFDIR, root); + *dev_root = proc_mkdir(name, root); if (!*dev_root) { DRM_ERROR("Cannot create /proc/dri/%s\n", name); return -1; @@ -103,7 +103,7 @@ int drm_proc_init(drm_device_t *dev, int minor, for (i = 0; i < DRM_PROC_ENTRIES; i++) { ent = create_proc_entry(drm_proc_list[i].name, - S_IFREG|S_IRUGO, *dev_root); + S_IFREG | S_IRUGO, *dev_root); if (!ent) { DRM_ERROR("Cannot create /proc/dri/%s/%s\n", name, drm_proc_list[i].name); @@ -114,13 +114,12 @@ int drm_proc_init(drm_device_t *dev, int minor, return -1; } ent->read_proc = drm_proc_list[i].f; - ent->data = dev; + ent->data = dev; } return 0; } - /** * Cleanup the proc filesystem resources. * @@ -132,12 +131,13 @@ int drm_proc_init(drm_device_t *dev, int minor, * Remove all proc entries created by proc_init(). */ int drm_proc_cleanup(int minor, struct proc_dir_entry *root, - struct proc_dir_entry *dev_root) + struct proc_dir_entry *dev_root) { - int i; + int i; char name[64]; - if (!root || !dev_root) return 0; + if (!root || !dev_root) + return 0; for (i = 0; i < DRM_PROC_ENTRIES; i++) remove_proc_entry(drm_proc_list[i].name, dev_root); @@ -149,7 +149,7 @@ int drm_proc_cleanup(int minor, struct proc_dir_entry *root, /** * Called when "/proc/dri/.../name" is read. - * + * * \param buf output buffer. * \param start start of output data. * \param offset requested start offset. @@ -157,14 +157,14 @@ int drm_proc_cleanup(int minor, struct proc_dir_entry *root, * \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) + int *eof, void *data) { - drm_device_t *dev = (drm_device_t *)data; - int len = 0; + drm_device_t *dev = (drm_device_t *) data; + int len = 0; if (offset > DRM_PROC_LIMIT) { *eof = 1; @@ -172,23 +172,26 @@ static int drm_name_info(char *buf, char **start, off_t offset, int request, } *start = &buf[offset]; - *eof = 0; + *eof = 0; if (dev->unique) { DRM_PROC_PRINT("%s %s %s\n", - dev->driver->pci_driver.name, pci_name(dev->pdev), dev->unique); + dev->driver->pci_driver.name, + pci_name(dev->pdev), dev->unique); } else { - DRM_PROC_PRINT("%s %s\n", dev->driver->pci_driver.name, pci_name(dev->pdev)); + DRM_PROC_PRINT("%s %s\n", dev->driver->pci_driver.name, + pci_name(dev->pdev)); } - if (len > request + offset) return request; + 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. @@ -196,24 +199,24 @@ static int drm_name_info(char *buf, char **start, off_t offset, int request, * \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) + int *eof, void *data) { - drm_device_t *dev = (drm_device_t *)data; - int len = 0; - drm_map_t *map; + drm_device_t *dev = (drm_device_t *) data; + int len = 0; + drm_map_t *map; drm_map_list_t *r_list; struct list_head *list; - /* Hardcoded from _DRM_FRAME_BUFFER, - _DRM_REGISTERS, _DRM_SHM, _DRM_AGP, and - _DRM_SCATTER_GATHER. */ - const char *types[] = { "FB", "REG", "SHM", "AGP", "SG" }; - const char *type; - int i; + /* 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; @@ -221,55 +224,57 @@ static int drm__vm_info(char *buf, char **start, off_t offset, int request, } *start = &buf[offset]; - *eof = 0; + *eof = 0; DRM_PROC_PRINT("slot offset size type flags " "address mtrr\n\n"); i = 0; - if (dev->maplist != NULL) list_for_each(list, &dev->maplist->head) { + if (dev->maplist != NULL) + list_for_each(list, &dev->maplist->head) { r_list = list_entry(list, drm_map_list_t, head); map = r_list->map; - if(!map) continue; - if (map->type < 0 || map->type > 4) type = "??"; - else type = types[map->type]; - DRM_PROC_PRINT("%4d 0x%08lx 0x%08lx %4.4s 0x%02x 0x%08lx ", + if (!map) + continue; + if (map->type < 0 || map->type > 5) + type = "??"; + else + type = types[map->type]; + DRM_PROC_PRINT("%4d 0x%08lx 0x%08lx %4.4s 0x%02x 0x%08x ", i, map->offset, - map->size, - type, - map->flags, - (unsigned long)map->handle); + map->size, type, map->flags, r_list->user_token); if (map->mtrr < 0) { DRM_PROC_PRINT("none\n"); } else { DRM_PROC_PRINT("%4d\n", map->mtrr); } i++; - } + } - if (len > request + offset) return request; + if (len > request + offset) + return request; *eof = 1; return len - offset; } /** - * Simply calls _vm_info() while holding the drm_device::struct_sem lock. + * 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) + int *eof, void *data) { - drm_device_t *dev = (drm_device_t *)data; - int ret; + drm_device_t *dev = (drm_device_t *) data; + int ret; - down(&dev->struct_sem); + mutex_lock(&dev->struct_mutex); ret = drm__vm_info(buf, start, offset, request, eof, data); - up(&dev->struct_sem); + 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. @@ -279,12 +284,12 @@ static int drm_vm_info(char *buf, char **start, off_t offset, int request, * \return number of written bytes. */ static int drm__queues_info(char *buf, char **start, off_t offset, - int request, int *eof, void *data) + int request, int *eof, void *data) { - drm_device_t *dev = (drm_device_t *)data; - int len = 0; - int i; - drm_queue_t *q; + drm_device_t *dev = (drm_device_t *) data; + int len = 0; + int i; + drm_queue_t *q; if (offset > DRM_PROC_LIMIT) { *eof = 1; @@ -292,7 +297,7 @@ static int drm__queues_info(char *buf, char **start, off_t offset, } *start = &buf[offset]; - *eof = 0; + *eof = 0; DRM_PROC_PRINT(" ctx/flags use fin" " blk/rw/rwf wait flushed queued" @@ -310,36 +315,39 @@ static int drm__queues_info(char *buf, char **start, off_t offset, 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':'-', + 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; + if (len > request + offset) + return request; *eof = 1; return len - offset; } /** - * Simply calls _queues_info() while holding the drm_device::struct_sem lock. + * 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) + int *eof, void *data) { - drm_device_t *dev = (drm_device_t *)data; - int ret; + drm_device_t *dev = (drm_device_t *) data; + int ret; - down(&dev->struct_sem); + mutex_lock(&dev->struct_mutex); ret = drm__queues_info(buf, start, offset, request, eof, data); - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); return ret; } /** * Called when "/proc/dri/.../bufs" is read. - * + * * \param buf output buffer. * \param start start of output data. * \param offset requested start offset. @@ -349,12 +357,12 @@ static int drm_queues_info(char *buf, char **start, off_t offset, int request, * \return number of written bytes. */ static int drm__bufs_info(char *buf, char **start, off_t offset, int request, - int *eof, void *data) + int *eof, void *data) { - drm_device_t *dev = (drm_device_t *)data; - int len = 0; + drm_device_t *dev = (drm_device_t *) data; + int len = 0; drm_device_dma_t *dma = dev->dma; - int i; + int i; if (!dma || offset > DRM_PROC_LIMIT) { *eof = 1; @@ -362,7 +370,7 @@ static int drm__bufs_info(char *buf, char **start, off_t offset, int request, } *start = &buf[offset]; - *eof = 0; + *eof = 0; DRM_PROC_PRINT(" o size count free segs pages kB\n\n"); for (i = 0; i <= DRM_MAX_ORDER; i++) { @@ -375,41 +383,43 @@ static int drm__bufs_info(char *buf, char **start, off_t offset, int request, .freelist.count), dma->bufs[i].seg_count, dma->bufs[i].seg_count - *(1 << dma->bufs[i].page_order), + * (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"); + if (i && !(i % 32)) + DRM_PROC_PRINT("\n"); DRM_PROC_PRINT(" %d", dma->buflist[i]->list); } DRM_PROC_PRINT("\n"); - if (len > request + offset) return request; + if (len > request + offset) + return request; *eof = 1; return len - offset; } /** - * Simply calls _bufs_info() while holding the drm_device::struct_sem lock. + * 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) + int *eof, void *data) { - drm_device_t *dev = (drm_device_t *)data; - int ret; + drm_device_t *dev = (drm_device_t *) data; + int ret; - down(&dev->struct_sem); + mutex_lock(&dev->struct_mutex); ret = drm__bufs_info(buf, start, offset, request, eof, data); - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); return ret; } /** * Called when "/proc/dri/.../clients" is read. - * + * * \param buf output buffer. * \param start start of output data. * \param offset requested start offset. @@ -419,11 +429,11 @@ static int drm_bufs_info(char *buf, char **start, off_t offset, int request, * \return number of written bytes. */ static int drm__clients_info(char *buf, char **start, off_t offset, - int request, int *eof, void *data) + int request, int *eof, void *data) { - drm_device_t *dev = (drm_device_t *)data; - int len = 0; - drm_file_t *priv; + drm_device_t *dev = (drm_device_t *) data; + int len = 0; + drm_file_t *priv; if (offset > DRM_PROC_LIMIT) { *eof = 1; @@ -431,7 +441,7 @@ static int drm__clients_info(char *buf, char **start, off_t offset, } *start = &buf[offset]; - *eof = 0; + *eof = 0; DRM_PROC_PRINT("a dev pid uid magic ioctls\n\n"); for (priv = dev->file_first; priv; priv = priv->next) { @@ -439,42 +449,41 @@ static int drm__clients_info(char *buf, char **start, off_t offset, priv->authenticated ? 'y' : 'n', priv->minor, priv->pid, - priv->uid, - priv->magic, - priv->ioctl_count); + priv->uid, priv->magic, priv->ioctl_count); } - if (len > request + offset) return request; + if (len > request + offset) + return request; *eof = 1; return len - offset; } /** - * Simply calls _clients_info() while holding the drm_device::struct_sem lock. + * 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) + int request, int *eof, void *data) { - drm_device_t *dev = (drm_device_t *)data; - int ret; + drm_device_t *dev = (drm_device_t *) data; + int ret; - down(&dev->struct_sem); + mutex_lock(&dev->struct_mutex); ret = drm__clients_info(buf, start, offset, request, eof, data); - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); return ret; } #if DRM_DEBUG_CODE static int drm__vma_info(char *buf, char **start, off_t offset, int request, - int *eof, void *data) + int *eof, void *data) { - drm_device_t *dev = (drm_device_t *)data; - int len = 0; - drm_vma_entry_t *pt; + drm_device_t *dev = (drm_device_t *) data; + int len = 0; + drm_vma_entry_t *pt; struct vm_area_struct *vma; #if defined(__i386__) - unsigned int pgprot; + unsigned int pgprot; #endif if (offset > DRM_PROC_LIMIT) { @@ -483,57 +492,57 @@ static int drm__vma_info(char *buf, char **start, off_t offset, int request, } *start = &buf[offset]; - *eof = 0; + *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)); for (pt = dev->vmalist; pt; pt = pt->next) { - if (!(vma = pt->vma)) continue; + if (!(vma = pt->vma)) + continue; DRM_PROC_PRINT("\n%5d 0x%08lx-0x%08lx %c%c%c%c%c%c 0x%08lx", 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_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_flags & VM_LOCKED ? 'l' : '-', + vma->vm_flags & VM_IO ? 'i' : '-', VM_OFFSET(vma)); #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_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' ); + 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; + 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) + int *eof, void *data) { - drm_device_t *dev = (drm_device_t *)data; - int ret; + drm_device_t *dev = (drm_device_t *) data; + int ret; - down(&dev->struct_sem); + mutex_lock(&dev->struct_mutex); ret = drm__vma_info(buf, start, offset, request, eof, data); - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); return ret; } #endif - -