diff options
Diffstat (limited to 'kernel/include/linux/agpgart.h')
| -rw-r--r-- | kernel/include/linux/agpgart.h | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/kernel/include/linux/agpgart.h b/kernel/include/linux/agpgart.h new file mode 100644 index 000000000..c6b61ca97 --- /dev/null +++ b/kernel/include/linux/agpgart.h @@ -0,0 +1,130 @@ +/* + * AGPGART module version 0.99 + * Copyright (C) 1999 Jeff Hartmann + * Copyright (C) 1999 Precision Insight, Inc. + * Copyright (C) 1999 Xi Graphics, Inc. + * + * 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 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 + * JEFF HARTMANN, OR ANY OTHER CONTRIBUTORS 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. + * + */ +#ifndef _AGP_H +#define _AGP_H 1 + +#include <linux/mutex.h> +#include <linux/agp_backend.h> +#include <uapi/linux/agpgart.h> + +#define AGPGART_MINOR 175 + +struct agp_info { + struct agp_version version; /* version of the driver */ + u32 bridge_id; /* bridge vendor/device */ + u32 agp_mode; /* mode info of bridge */ + unsigned long aper_base;/* base of aperture */ + size_t aper_size; /* size of aperture */ + size_t pg_total; /* max pages (swap + system) */ + size_t pg_system; /* max pages (system) */ + size_t pg_used; /* current pages used */ +}; + +struct agp_setup { + u32 agp_mode; /* mode info of bridge */ +}; + +/* + * The "prot" down below needs still a "sleep" flag somehow ... + */ +struct agp_segment { + off_t pg_start; /* starting page to populate */ + size_t pg_count; /* number of pages */ + int prot; /* prot flags for mmap */ +}; + +struct agp_segment_priv { + off_t pg_start; + size_t pg_count; + pgprot_t prot; +}; + +struct agp_region { + pid_t pid; /* pid of process */ + size_t seg_count; /* number of segments */ + struct agp_segment *seg_list; +}; + +struct agp_allocate { + int key; /* tag of allocation */ + size_t pg_count; /* number of pages */ + u32 type; /* 0 == normal, other devspec */ + u32 physical; /* device specific (some devices + * need a phys address of the + * actual page behind the gatt + * table) */ +}; + +struct agp_bind { + int key; /* tag of allocation */ + off_t pg_start; /* starting page to populate */ +}; + +struct agp_unbind { + int key; /* tag of allocation */ + u32 priority; /* priority for paging out */ +}; + +struct agp_client { + struct agp_client *next; + struct agp_client *prev; + pid_t pid; + int num_segments; + struct agp_segment_priv **segments; +}; + +struct agp_controller { + struct agp_controller *next; + struct agp_controller *prev; + pid_t pid; + int num_clients; + struct agp_memory *pool; + struct agp_client *clients; +}; + +#define AGP_FF_ALLOW_CLIENT 0 +#define AGP_FF_ALLOW_CONTROLLER 1 +#define AGP_FF_IS_CLIENT 2 +#define AGP_FF_IS_CONTROLLER 3 +#define AGP_FF_IS_VALID 4 + +struct agp_file_private { + struct agp_file_private *next; + struct agp_file_private *prev; + pid_t my_pid; + unsigned long access_flags; /* long req'd for set_bit --RR */ +}; + +struct agp_front_data { + struct mutex agp_mutex; + struct agp_controller *current_controller; + struct agp_controller *controllers; + struct agp_file_private *file_priv_list; + bool used_by_controller; + bool backend_acquired; +}; + +#endif /* _AGP_H */ |