From 91c9c847299a1f27c92f8663902fcee72a65f9e4 Mon Sep 17 00:00:00 2001 From: Eric Anholt Date: Tue, 16 Aug 2005 17:20:18 +0000 Subject: Remove the long-stale BSD non-core bits. Prodded by: CVS breakage resulting in complaints about this directory. --- bsd/drmP.h | 625 ------------------------------------------------------------- 1 file changed, 625 deletions(-) delete mode 100644 bsd/drmP.h (limited to 'bsd/drmP.h') diff --git a/bsd/drmP.h b/bsd/drmP.h deleted file mode 100644 index 50612ad0..00000000 --- a/bsd/drmP.h +++ /dev/null @@ -1,625 +0,0 @@ -/* drmP.h -- Private header for Direct Rendering Manager -*- linux-c -*- - * Created: Mon Jan 4 10:05:05 1999 by faith@precisioninsight.com - * - * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. - * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. - * 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. - * - * Authors: - * Rickard E. (Rik) Faith - * Gareth Hughes - * - */ - -#ifndef _DRM_P_H_ -#define _DRM_P_H_ - -#if defined(_KERNEL) || defined(__KERNEL__) - -/* DRM template customization defaults - */ -#ifndef __HAVE_AGP -#define __HAVE_AGP 0 -#endif -#ifndef __HAVE_MTRR -#define __HAVE_MTRR 0 -#endif -#ifndef __HAVE_CTX_BITMAP -#define __HAVE_CTX_BITMAP 0 -#endif -#ifndef __HAVE_DMA -#define __HAVE_DMA 0 -#endif -#ifndef __HAVE_IRQ -#define __HAVE_IRQ 0 -#endif - -#define DRM_DEBUG_CODE 0 /* Include debugging code (if > 1, then - also include looping detection. */ - -typedef struct drm_device drm_device_t; -typedef struct drm_file drm_file_t; - -/* There's undoubtably more of this file to go into these OS dependent ones. */ - -#ifdef __FreeBSD__ -#include "drm_os_freebsd.h" -#elif defined __NetBSD__ -#include "drm_os_netbsd.h" -#endif - -#include "drm.h" - -/* Begin the DRM... */ - -#define DRM_HASH_SIZE 16 /* Size of key hash table */ -#define DRM_KERNEL_CONTEXT 0 /* Change drm_resctx if changed */ -#define DRM_RESERVED_CONTEXTS 1 /* Change drm_resctx if changed */ - -#define DRM_FLAG_DEBUG 0x01 - -#define DRM_MEM_DMA 0 -#define DRM_MEM_SAREA 1 -#define DRM_MEM_DRIVER 2 -#define DRM_MEM_MAGIC 3 -#define DRM_MEM_IOCTLS 4 -#define DRM_MEM_MAPS 5 -#define DRM_MEM_BUFS 6 -#define DRM_MEM_SEGS 7 -#define DRM_MEM_PAGES 8 -#define DRM_MEM_FILES 9 -#define DRM_MEM_QUEUES 10 -#define DRM_MEM_CMDS 11 -#define DRM_MEM_MAPPINGS 12 -#define DRM_MEM_BUFLISTS 13 -#define DRM_MEM_AGPLISTS 14 -#define DRM_MEM_TOTALAGP 15 -#define DRM_MEM_BOUNDAGP 16 -#define DRM_MEM_CTXBITMAP 17 -#define DRM_MEM_STUB 18 -#define DRM_MEM_SGLISTS 19 - -#define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8) - - /* Internal types and structures */ -#define DRM_ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0])) -#define DRM_MIN(a,b) ((a)<(b)?(a):(b)) -#define DRM_MAX(a,b) ((a)>(b)?(a):(b)) - -#define DRM_IF_VERSION(maj, min) (maj << 16 | min) - -#define DRM_GET_PRIV_SAREA(_dev, _ctx, _map) do { \ - (_map) = (_dev)->context_sareas[_ctx]; \ -} while(0) - - -typedef struct drm_pci_id_list -{ - int vendor; - int device; - long driver_private; - char *name; -} drm_pci_id_list_t; - -typedef struct drm_ioctl_desc { - int (*func)(DRM_IOCTL_ARGS); - int auth_needed; - int root_only; -} drm_ioctl_desc_t; - -typedef struct drm_magic_entry { - drm_magic_t magic; - struct drm_file *priv; - struct drm_magic_entry *next; -} drm_magic_entry_t; - -typedef struct drm_magic_head { - struct drm_magic_entry *head; - struct drm_magic_entry *tail; -} drm_magic_head_t; - -typedef struct drm_buf { - int idx; /* Index into master buflist */ - int total; /* Buffer size */ - int order; /* log-base-2(total) */ - int used; /* Amount of buffer in use (for DMA) */ - unsigned long offset; /* Byte offset (used internally) */ - void *address; /* Address of buffer */ - unsigned long bus_address; /* Bus address of buffer */ - struct drm_buf *next; /* Kernel-only: used for free list */ - __volatile__ int pending; /* On hardware DMA queue */ - DRMFILE filp; /* Unique identifier of holding process */ - int context; /* Kernel queue for this buffer */ - enum { - DRM_LIST_NONE = 0, - DRM_LIST_FREE = 1, - DRM_LIST_WAIT = 2, - DRM_LIST_PEND = 3, - DRM_LIST_PRIO = 4, - DRM_LIST_RECLAIM = 5 - } list; /* Which list we're on */ - - int dev_priv_size; /* Size of buffer private stoarge */ - void *dev_private; /* Per-buffer private storage */ -} drm_buf_t; - -typedef struct drm_freelist { - int initialized; /* Freelist in use */ - atomic_t count; /* Number of free buffers */ - drm_buf_t *next; /* End pointer */ - - int low_mark; /* Low water mark */ - int high_mark; /* High water mark */ -} drm_freelist_t; - -typedef struct drm_buf_entry { - int buf_size; - int buf_count; - drm_buf_t *buflist; - int seg_count; - int page_order; - vm_offset_t *seglist; - dma_addr_t *seglist_bus; - - drm_freelist_t freelist; -} drm_buf_entry_t; - -typedef TAILQ_HEAD(drm_file_list, drm_file) drm_file_list_t; -struct drm_file { - TAILQ_ENTRY(drm_file) link; - int authenticated; - int minor; - pid_t pid; - uid_t uid; - int refs; - drm_magic_t magic; - unsigned long ioctl_count; - struct drm_device *devXX; -#ifdef DRIVER_FILE_FIELDS - DRIVER_FILE_FIELDS; -#endif -}; - -typedef struct drm_lock_data { - drm_hw_lock_t *hw_lock; /* Hardware lock */ - DRMFILE filp; /* Unique identifier of holding process (NULL is kernel)*/ - int lock_queue; /* Queue of blocked processes */ - unsigned long lock_time; /* Time of last lock in jiffies */ -} drm_lock_data_t; - -/* This structure, in the drm_device_t, is always initialized while the device - * is open. dev->dma_lock protects the incrementing of dev->buf_use, which - * when set marks that no further bufs may be allocated until device teardown - * occurs (when the last open of the device has closed). The high/low - * watermarks of bufs are only touched by the X Server, and thus not - * concurrently accessed, so no locking is needed. - */ -typedef struct drm_device_dma { - drm_buf_entry_t bufs[DRM_MAX_ORDER+1]; - int buf_count; - drm_buf_t **buflist; /* Vector of pointers info bufs */ - int seg_count; - int page_count; - unsigned long *pagelist; - unsigned long byte_count; - enum { - _DRM_DMA_USE_AGP = 0x01, - _DRM_DMA_USE_SG = 0x02, - _DRM_DMA_USE_FB = 0x04 - } flags; - - /* DMA support */ - drm_buf_t *this_buffer; /* Buffer being sent */ - drm_buf_t *next_buffer; /* Selected buffer to send */ -} drm_device_dma_t; - -#if __REALLY_HAVE_AGP -typedef struct drm_agp_mem { - void *handle; - unsigned long bound; /* address */ - int pages; - struct drm_agp_mem *prev; - struct drm_agp_mem *next; -} drm_agp_mem_t; - -typedef struct drm_agp_head { - device_t agpdev; - struct agp_info info; - const char *chipset; - drm_agp_mem_t *memory; - unsigned long mode; - int enabled; - int acquired; - unsigned long base; - int mtrr; - int cant_use_aperture; - unsigned long page_mask; -} drm_agp_head_t; -#endif - -typedef struct drm_sg_mem { - unsigned long handle; - void *virtual; - int pages; - dma_addr_t *busaddr; -} drm_sg_mem_t; - -typedef struct drm_local_map { - unsigned long offset; /* Physical address (0 for SAREA)*/ - unsigned long size; /* Physical size (bytes) */ - drm_map_type_t type; /* Type of memory mapped */ - drm_map_flags_t flags; /* Flags */ - void *handle; /* User-space: "Handle" to pass to mmap */ - /* Kernel-space: kernel-virtual address */ - int mtrr; /* Boolean: MTRR used */ - /* Private data */ - bus_space_tag_t iot; - bus_space_handle_t ioh; -} drm_local_map_t; - -typedef TAILQ_HEAD(drm_map_list, drm_map_list_entry) drm_map_list_t; -typedef struct drm_map_list_entry { - TAILQ_ENTRY(drm_map_list_entry) link; - drm_local_map_t *map; -} drm_map_list_entry_t; - -TAILQ_HEAD(drm_vbl_sig_list, drm_vbl_sig); -typedef struct drm_vbl_sig { - TAILQ_ENTRY(drm_vbl_sig) link; - unsigned int sequence; - int signo; - int pid; -} drm_vbl_sig_t; - -/** - * DRM device functions structure - */ -struct drm_device; - -struct drm_driver_fn { - int (*preinit)(struct drm_device *, unsigned long flags); - int (*postinit)(struct drm_device *, unsigned long flags); - void (*prerelease)(struct drm_device *, void *filp); - void (*pretakedown)(struct drm_device *); - int (*postcleanup)(struct drm_device *); - int (*presetup)(struct drm_device *); - int (*postsetup)(struct drm_device *); - void (*open_helper)(struct drm_device *, drm_file_t *); - void (*release)(struct drm_device *, void *filp); - void (*dma_ready)(struct drm_device *); - int (*dma_quiescent)(struct drm_device *); - int (*dma_flush_block_and_flush)(struct drm_device *, int context, drm_lock_flags_t flags); - int (*dma_flush_unblock)(struct drm_device *, int context, drm_lock_flags_t flags); - int (*context_ctor)(struct drm_device *dev, int context); - int (*context_dtor)(struct drm_device *dev, int context); - int (*kernel_context_switch)(struct drm_device *dev, int old, int new); - int (*kernel_context_switch_unlock)(struct drm_device *dev); - int (*dma_schedule)(struct drm_device *dev, int locked); -}; - -struct drm_device { -#ifdef __NetBSD__ - struct device device; /* NetBSD's softc is an extension of struct device */ -#endif - const char *name; /* Simple driver name */ - char *unique; /* Unique identifier: e.g., busid */ - int unique_len; /* Length of unique field */ -#ifdef __FreeBSD__ - device_t device; /* Device instance from newbus */ -#endif - struct cdev *devnode; /* Device number for mknod */ - int if_version; /* Highest interface version set */ - - int flags; /* Flags to open(2) */ - - /* Locks */ -#if defined(__FreeBSD__) && __FreeBSD_version > 500000 -#if __HAVE_DMA - struct mtx dma_lock; /* protects dev->dma */ -#endif -#if __HAVE_IRQ - struct mtx irq_lock; /* protects irq condition checks */ -#endif - struct mtx dev_lock; /* protects everything else */ -#endif - /* Usage Counters */ - int open_count; /* Outstanding files open */ - int buf_use; /* Buffers in use -- cannot alloc */ - - /* Performance counters */ - unsigned long counters; - drm_stat_type_t types[15]; - atomic_t counts[15]; - - /* Authentication */ - drm_file_list_t files; - drm_magic_head_t magiclist[DRM_HASH_SIZE]; - - /* Linked list of mappable regions. Protected by dev_lock */ - drm_map_list_t *maplist; - - drm_local_map_t **context_sareas; - int max_context; - - drm_lock_data_t lock; /* Information on hardware lock */ - - /* DMA queues (contexts) */ - drm_device_dma_t *dma; /* Optional pointer for DMA support */ - - /* Context support */ - int irq; /* Interrupt used by board */ - int irq_enabled; /* True if the irq handler is enabled */ -#ifdef __FreeBSD__ - int irqrid; /* Interrupt used by board */ - struct resource *irqr; /* Resource for interrupt used by board */ -#elif defined(__NetBSD__) - struct pci_attach_args pa; - pci_intr_handle_t ih; -#endif - void *irqh; /* Handle from bus_setup_intr */ - - int pci_domain; - int pci_bus; - int pci_slot; - int pci_func; - - atomic_t context_flag; /* Context swapping flag */ - int last_context; /* Last current context */ -#if __FreeBSD_version >= 400005 - struct task task; -#endif -#if __HAVE_VBL_IRQ - int vbl_queue; /* vbl wait channel */ - atomic_t vbl_received; -#endif - -#ifdef __FreeBSD__ - struct sigio *buf_sigio; /* Processes waiting for SIGIO */ -#elif defined(__NetBSD__) - pid_t buf_pgid; -#endif - - /* Sysctl support */ - struct drm_sysctl_info *sysctl; - -#if __REALLY_HAVE_AGP - drm_agp_head_t *agp; -#endif - drm_sg_mem_t *sg; /* Scatter gather memory */ - atomic_t *ctx_bitmap; - void *dev_private; - struct drm_driver_fn fn_tbl; - drm_local_map_t *agp_buffer_map; - int dev_priv_size; -}; - -extern void DRM(driver_register_fns)(struct drm_device *dev); - -extern int DRM(flags); - - /* Memory management support (drm_memory.h) */ -extern void DRM(mem_init)(void); -extern void DRM(mem_uninit)(void); -extern void *DRM(alloc)(size_t size, int area); -extern void *DRM(calloc)(size_t nmemb, size_t size, int area); -extern void *DRM(realloc)(void *oldpt, size_t oldsize, size_t size, - int area); -extern void DRM(free)(void *pt, size_t size, int area); -extern void *DRM(ioremap)(drm_device_t *dev, drm_local_map_t *map); -extern void DRM(ioremapfree)(drm_local_map_t *map); -extern int DRM(mtrr_add)(unsigned long offset, size_t size, int flags); -extern int DRM(mtrr_del)(unsigned long offset, size_t size, int flags); - -#if __REALLY_HAVE_AGP -extern agp_memory *DRM(alloc_agp)(int pages, u32 type); -extern int DRM(free_agp)(agp_memory *handle, int pages); -extern int DRM(bind_agp)(agp_memory *handle, unsigned int start); -extern int DRM(unbind_agp)(agp_memory *handle); -#endif - -extern int DRM(context_switch)(drm_device_t *dev, int old, int new); -extern int DRM(context_switch_complete)(drm_device_t *dev, int new); - -#if __HAVE_CTX_BITMAP -extern int DRM(ctxbitmap_init)( drm_device_t *dev ); -extern void DRM(ctxbitmap_cleanup)( drm_device_t *dev ); -extern void DRM(ctxbitmap_free)( drm_device_t *dev, int ctx_handle ); -extern int DRM(ctxbitmap_next)( drm_device_t *dev ); -#endif - - /* Locking IOCTL support (drm_lock.h) */ -extern int DRM(lock_take)(__volatile__ unsigned int *lock, - unsigned int context); -extern int DRM(lock_transfer)(drm_device_t *dev, - __volatile__ unsigned int *lock, - unsigned int context); -extern int DRM(lock_free)(drm_device_t *dev, - __volatile__ unsigned int *lock, - unsigned int context); - - /* Buffer management support (drm_bufs.h) */ -extern int DRM(order)( unsigned long size ); - -#if __HAVE_DMA - /* DMA support (drm_dma.h) */ -extern int DRM(dma_setup)(drm_device_t *dev); -extern void DRM(dma_takedown)(drm_device_t *dev); -extern void DRM(free_buffer)(drm_device_t *dev, drm_buf_t *buf); -extern void DRM(reclaim_buffers)(drm_device_t *dev, DRMFILE filp); -#endif - -#if __HAVE_IRQ - /* IRQ support (drm_irq.h) */ -extern int DRM(irq_install)(drm_device_t *dev); -extern int DRM(irq_uninstall)( drm_device_t *dev ); -extern irqreturn_t DRM(irq_handler)( DRM_IRQ_ARGS ); -extern void DRM(driver_irq_preinstall)( drm_device_t *dev ); -extern void DRM(driver_irq_postinstall)( drm_device_t *dev ); -extern void DRM(driver_irq_uninstall)( drm_device_t *dev ); -#if __HAVE_IRQ_BH -extern void DRM(irq_immediate_bh)( DRM_TASKQUEUE_ARGS ); -#endif -#endif - -#if __HAVE_VBL_IRQ -extern int DRM(vblank_wait)(drm_device_t *dev, unsigned int *vbl_seq); -extern void DRM(vbl_send_signals)( drm_device_t *dev ); -#endif - -#if __REALLY_HAVE_AGP - /* AGP/GART support (drm_agpsupport.h) */ -extern drm_agp_head_t *DRM(agp_init)(void); -extern void DRM(agp_uninit)(void); -extern void DRM(agp_do_release)(void); -extern agp_memory *DRM(agp_allocate_memory)(size_t pages, u32 type); -extern int DRM(agp_free_memory)(agp_memory *handle); -extern int DRM(agp_bind_memory)(agp_memory *handle, off_t start); -extern int DRM(agp_unbind_memory)(agp_memory *handle); -#endif - -#if __HAVE_SG - /* Scatter Gather Support (drm_scatter.h) */ -extern void DRM(sg_cleanup)(drm_sg_mem_t *entry); -#endif - -#if __REALLY_HAVE_SG - /* ATI PCIGART support (ati_pcigart.h) */ -extern int DRM(ati_pcigart_init)(drm_device_t *dev, - unsigned long *addr, - dma_addr_t *bus_addr); -extern int DRM(ati_pcigart_cleanup)(drm_device_t *dev, - unsigned long addr, - dma_addr_t bus_addr); -#endif - -/* Locking IOCTL support (drm_drv.h) */ -extern int DRM(lock)(DRM_IOCTL_ARGS); -extern int DRM(unlock)(DRM_IOCTL_ARGS); -extern int DRM(version)( DRM_IOCTL_ARGS ); -extern int DRM(setversion)( DRM_IOCTL_ARGS ); - -/* Misc. IOCTL support (drm_ioctl.h) */ -extern int DRM(irq_by_busid)(DRM_IOCTL_ARGS); -extern int DRM(getunique)(DRM_IOCTL_ARGS); -extern int DRM(setunique)(DRM_IOCTL_ARGS); -extern int DRM(getmap)(DRM_IOCTL_ARGS); -extern int DRM(getclient)(DRM_IOCTL_ARGS); -extern int DRM(getstats)(DRM_IOCTL_ARGS); -extern int DRM(noop)(DRM_IOCTL_ARGS); - -/* Context IOCTL support (drm_context.h) */ -extern int DRM(resctx)(DRM_IOCTL_ARGS); -extern int DRM(addctx)(DRM_IOCTL_ARGS); -extern int DRM(modctx)(DRM_IOCTL_ARGS); -extern int DRM(getctx)(DRM_IOCTL_ARGS); -extern int DRM(switchctx)(DRM_IOCTL_ARGS); -extern int DRM(newctx)(DRM_IOCTL_ARGS); -extern int DRM(rmctx)(DRM_IOCTL_ARGS); -extern int DRM(setsareactx)(DRM_IOCTL_ARGS); -extern int DRM(getsareactx)(DRM_IOCTL_ARGS); - -/* Drawable IOCTL support (drm_drawable.h) */ -extern int DRM(adddraw)(DRM_IOCTL_ARGS); -extern int DRM(rmdraw)(DRM_IOCTL_ARGS); - -/* Authentication IOCTL support (drm_auth.h) */ -extern int DRM(getmagic)(DRM_IOCTL_ARGS); -extern int DRM(authmagic)(DRM_IOCTL_ARGS); - -/* Buffer management support (drm_bufs.h) */ -extern int DRM(addmap)(DRM_IOCTL_ARGS); -extern int DRM(rmmap)(DRM_IOCTL_ARGS); -#if __HAVE_DMA -extern int DRM(addbufs)(DRM_IOCTL_ARGS); -extern int DRM(infobufs)(DRM_IOCTL_ARGS); -extern int DRM(markbufs)(DRM_IOCTL_ARGS); -extern int DRM(freebufs)(DRM_IOCTL_ARGS); -extern int DRM(mapbufs)(DRM_IOCTL_ARGS); -#endif - -/* IRQ support (drm_irq.h) */ -#if __HAVE_IRQ || __HAVE_DMA -extern int DRM(control)(DRM_IOCTL_ARGS); -#endif -#if __HAVE_VBL_IRQ -extern int DRM(wait_vblank)(DRM_IOCTL_ARGS); -#endif - -/* AGP/GART support (drm_agpsupport.h) */ -#if __REALLY_HAVE_AGP -extern int DRM(agp_acquire)(DRM_IOCTL_ARGS); -extern int DRM(agp_release)(DRM_IOCTL_ARGS); -extern int DRM(agp_enable)(DRM_IOCTL_ARGS); -extern int DRM(agp_info)(DRM_IOCTL_ARGS); -extern int DRM(agp_alloc)(DRM_IOCTL_ARGS); -extern int DRM(agp_free)(DRM_IOCTL_ARGS); -extern int DRM(agp_unbind)(DRM_IOCTL_ARGS); -extern int DRM(agp_bind)(DRM_IOCTL_ARGS); -#endif - -/* Scatter Gather Support (drm_scatter.h) */ -#if __HAVE_SG -extern int DRM(sg_alloc)(DRM_IOCTL_ARGS); -extern int DRM(sg_free)(DRM_IOCTL_ARGS); -#endif - -/* consistent PCI memory functions (drm_pci.h) */ -extern void *DRM(pci_alloc)(drm_device_t *dev, size_t size, - size_t align, dma_addr_t maxaddr, - dma_addr_t *busaddr); -extern void DRM(pci_free)(drm_device_t *dev, size_t size, - void *vaddr, dma_addr_t busaddr); - -/* Inline replacements for DRM_IOREMAP macros */ -static __inline__ void drm_core_ioremap(struct drm_local_map *map, struct drm_device *dev) -{ - map->handle = DRM(ioremap)( dev, map ); -} -#if 0 -static __inline__ void drm_core_ioremap_nocache(struct drm_map *map, struct drm_device *dev) -{ - map->handle = DRM(ioremap_nocache)(dev, map); -} -#endif -static __inline__ void drm_core_ioremapfree(struct drm_local_map *map, struct drm_device *dev) -{ - if ( map->handle && map->size ) - DRM(ioremapfree)( map ); -} - -static __inline__ struct drm_local_map *drm_core_findmap(struct drm_device *dev, unsigned long offset) -{ - drm_map_list_entry_t *listentry; - TAILQ_FOREACH(listentry, dev->maplist, link) { - if ( listentry->map->offset == offset ) { - return listentry->map; - } - } - return NULL; -} - -static __inline__ void drm_core_dropmap(struct drm_map *map) -{ -} - -#endif /* __KERNEL__ */ -#endif /* _DRM_P_H_ */ -- cgit v1.2.3