Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / include / linux / agpgart.h

diff --git a/kernel/include/linux/agpgart.h b/kernel/include/linux/agpgart.h
new file mode 100644 (file)
index 0000000..c6b61ca
--- /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 */