diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/apm_bios.h | 220 | ||||
| -rw-r--r-- | include/linux/compiler-gcc.h | 87 | ||||
| -rw-r--r-- | include/linux/compiler-gcc4.h | 61 | ||||
| -rw-r--r-- | include/linux/compiler.h | 303 | ||||
| -rw-r--r-- | include/linux/edd.h | 194 | ||||
| -rw-r--r-- | include/linux/ioctl.h | 6 | ||||
| -rw-r--r-- | include/linux/ioport.h | 192 | ||||
| -rw-r--r-- | include/linux/screen_info.h | 84 |
8 files changed, 1147 insertions, 0 deletions
diff --git a/include/linux/apm_bios.h b/include/linux/apm_bios.h new file mode 100644 index 0000000..01a6244 --- /dev/null +++ b/include/linux/apm_bios.h @@ -0,0 +1,220 @@ +#ifndef _LINUX_APM_H +#define _LINUX_APM_H + +/* + * Include file for the interface to an APM BIOS + * Copyright 1994-2001 Stephen Rothwell (sfr@canb.auug.org.au) + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2, or (at your option) any + * later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#include <linux/types.h> + +typedef unsigned short apm_event_t; +typedef unsigned short apm_eventinfo_t; + +struct apm_bios_info { + __u16 version; + __u16 cseg; + __u32 offset; + __u16 cseg_16; + __u16 dseg; + __u16 flags; + __u16 cseg_len; + __u16 cseg_16_len; + __u16 dseg_len; +}; + +#ifdef __KERNEL__ + +#define APM_CS (GDT_ENTRY_APMBIOS_BASE * 8) +#define APM_CS_16 (APM_CS + 8) +#define APM_DS (APM_CS_16 + 8) + +/* Results of APM Installation Check */ +#define APM_16_BIT_SUPPORT 0x0001 +#define APM_32_BIT_SUPPORT 0x0002 +#define APM_IDLE_SLOWS_CLOCK 0x0004 +#define APM_BIOS_DISABLED 0x0008 +#define APM_BIOS_DISENGAGED 0x0010 + +/* + * Data for APM that is persistent across module unload/load + */ +struct apm_info { + struct apm_bios_info bios; + unsigned short connection_version; + int get_power_status_broken; + int get_power_status_swabinminutes; + int allow_ints; + int forbid_idle; + int realmode_power_off; + int disabled; +}; + +/* + * The APM function codes + */ +#define APM_FUNC_INST_CHECK 0x5300 +#define APM_FUNC_REAL_CONN 0x5301 +#define APM_FUNC_16BIT_CONN 0x5302 +#define APM_FUNC_32BIT_CONN 0x5303 +#define APM_FUNC_DISCONN 0x5304 +#define APM_FUNC_IDLE 0x5305 +#define APM_FUNC_BUSY 0x5306 +#define APM_FUNC_SET_STATE 0x5307 +#define APM_FUNC_ENABLE_PM 0x5308 +#define APM_FUNC_RESTORE_BIOS 0x5309 +#define APM_FUNC_GET_STATUS 0x530a +#define APM_FUNC_GET_EVENT 0x530b +#define APM_FUNC_GET_STATE 0x530c +#define APM_FUNC_ENABLE_DEV_PM 0x530d +#define APM_FUNC_VERSION 0x530e +#define APM_FUNC_ENGAGE_PM 0x530f +#define APM_FUNC_GET_CAP 0x5310 +#define APM_FUNC_RESUME_TIMER 0x5311 +#define APM_FUNC_RESUME_ON_RING 0x5312 +#define APM_FUNC_TIMER 0x5313 + +/* + * Function code for APM_FUNC_RESUME_TIMER + */ +#define APM_FUNC_DISABLE_TIMER 0 +#define APM_FUNC_GET_TIMER 1 +#define APM_FUNC_SET_TIMER 2 + +/* + * Function code for APM_FUNC_RESUME_ON_RING + */ +#define APM_FUNC_DISABLE_RING 0 +#define APM_FUNC_ENABLE_RING 1 +#define APM_FUNC_GET_RING 2 + +/* + * Function code for APM_FUNC_TIMER_STATUS + */ +#define APM_FUNC_TIMER_DISABLE 0 +#define APM_FUNC_TIMER_ENABLE 1 +#define APM_FUNC_TIMER_GET 2 + +/* + * in arch/i386/kernel/setup.c + */ +extern struct apm_info apm_info; + +#endif /* __KERNEL__ */ + +/* + * Power states + */ +#define APM_STATE_READY 0x0000 +#define APM_STATE_STANDBY 0x0001 +#define APM_STATE_SUSPEND 0x0002 +#define APM_STATE_OFF 0x0003 +#define APM_STATE_BUSY 0x0004 +#define APM_STATE_REJECT 0x0005 +#define APM_STATE_OEM_SYS 0x0020 +#define APM_STATE_OEM_DEV 0x0040 + +#define APM_STATE_DISABLE 0x0000 +#define APM_STATE_ENABLE 0x0001 + +#define APM_STATE_DISENGAGE 0x0000 +#define APM_STATE_ENGAGE 0x0001 + +/* + * Events (results of Get PM Event) + */ +#define APM_SYS_STANDBY 0x0001 +#define APM_SYS_SUSPEND 0x0002 +#define APM_NORMAL_RESUME 0x0003 +#define APM_CRITICAL_RESUME 0x0004 +#define APM_LOW_BATTERY 0x0005 +#define APM_POWER_STATUS_CHANGE 0x0006 +#define APM_UPDATE_TIME 0x0007 +#define APM_CRITICAL_SUSPEND 0x0008 +#define APM_USER_STANDBY 0x0009 +#define APM_USER_SUSPEND 0x000a +#define APM_STANDBY_RESUME 0x000b +#define APM_CAPABILITY_CHANGE 0x000c + +/* + * Error codes + */ +#define APM_SUCCESS 0x00 +#define APM_DISABLED 0x01 +#define APM_CONNECTED 0x02 +#define APM_NOT_CONNECTED 0x03 +#define APM_16_CONNECTED 0x05 +#define APM_16_UNSUPPORTED 0x06 +#define APM_32_CONNECTED 0x07 +#define APM_32_UNSUPPORTED 0x08 +#define APM_BAD_DEVICE 0x09 +#define APM_BAD_PARAM 0x0a +#define APM_NOT_ENGAGED 0x0b +#define APM_BAD_FUNCTION 0x0c +#define APM_RESUME_DISABLED 0x0d +#define APM_NO_ERROR 0x53 +#define APM_BAD_STATE 0x60 +#define APM_NO_EVENTS 0x80 +#define APM_NOT_PRESENT 0x86 + +/* + * APM Device IDs + */ +#define APM_DEVICE_BIOS 0x0000 +#define APM_DEVICE_ALL 0x0001 +#define APM_DEVICE_DISPLAY 0x0100 +#define APM_DEVICE_STORAGE 0x0200 +#define APM_DEVICE_PARALLEL 0x0300 +#define APM_DEVICE_SERIAL 0x0400 +#define APM_DEVICE_NETWORK 0x0500 +#define APM_DEVICE_PCMCIA 0x0600 +#define APM_DEVICE_BATTERY 0x8000 +#define APM_DEVICE_OEM 0xe000 +#define APM_DEVICE_OLD_ALL 0xffff +#define APM_DEVICE_CLASS 0x00ff +#define APM_DEVICE_MASK 0xff00 + +#ifdef __KERNEL__ +/* + * This is the "All Devices" ID communicated to the BIOS + */ +#define APM_DEVICE_BALL ((apm_info.connection_version > 0x0100) ? \ + APM_DEVICE_ALL : APM_DEVICE_OLD_ALL) +#endif + +/* + * Battery status + */ +#define APM_MAX_BATTERIES 2 + +/* + * APM defined capability bit flags + */ +#define APM_CAP_GLOBAL_STANDBY 0x0001 +#define APM_CAP_GLOBAL_SUSPEND 0x0002 +#define APM_CAP_RESUME_STANDBY_TIMER 0x0004 /* Timer resume from standby */ +#define APM_CAP_RESUME_SUSPEND_TIMER 0x0008 /* Timer resume from suspend */ +#define APM_CAP_RESUME_STANDBY_RING 0x0010 /* Resume on Ring fr standby */ +#define APM_CAP_RESUME_SUSPEND_RING 0x0020 /* Resume on Ring fr suspend */ +#define APM_CAP_RESUME_STANDBY_PCMCIA 0x0040 /* Resume on PCMCIA Ring */ +#define APM_CAP_RESUME_SUSPEND_PCMCIA 0x0080 /* Resume on PCMCIA Ring */ + +/* + * ioctl operations + */ +#include <linux/ioctl.h> + +#define APM_IOC_STANDBY _IO('A', 1) +#define APM_IOC_SUSPEND _IO('A', 2) + +#endif /* LINUX_APM_H */ diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h new file mode 100644 index 0000000..73dcf80 --- /dev/null +++ b/include/linux/compiler-gcc.h @@ -0,0 +1,87 @@ +#ifndef __LINUX_COMPILER_H +#error "Please don't include <linux/compiler-gcc.h> directly, include <linux/compiler.h> instead." +#endif + +/* + * Common definitions for all gcc versions go here. + */ + + +/* Optimization barrier */ +/* The "volatile" is due to gcc bugs */ +#define barrier() __asm__ __volatile__("": : :"memory") + +/* + * This macro obfuscates arithmetic on a variable address so that gcc + * shouldn't recognize the original var, and make assumptions about it. + * + * This is needed because the C standard makes it undefined to do + * pointer arithmetic on "objects" outside their boundaries and the + * gcc optimizers assume this is the case. In particular they + * assume such arithmetic does not wrap. + * + * A miscompilation has been observed because of this on PPC. + * To work around it we hide the relationship of the pointer and the object + * using this macro. + * + * Versions of the ppc64 compiler before 4.1 had a bug where use of + * RELOC_HIDE could trash r30. The bug can be worked around by changing + * the inline assembly constraint from =g to =r, in this particular + * case either is valid. + */ +#define RELOC_HIDE(ptr, off) \ + ({ unsigned long __ptr; \ + __asm__ ("" : "=r"(__ptr) : "0"(ptr)); \ + (typeof(ptr)) (__ptr + (off)); }) + +/* &a[0] degrades to a pointer: a different type from an array */ +#define __must_be_array(a) \ + BUILD_BUG_ON_ZERO(__builtin_types_compatible_p(typeof(a), typeof(&a[0]))) + +/* + * Force always-inline if the user requests it so via the .config, + * or if gcc is too old: + */ +#if !defined(CONFIG_ARCH_SUPPORTS_OPTIMIZED_INLINING) || \ + !defined(CONFIG_OPTIMIZE_INLINING) || (__GNUC__ < 4) +# define inline inline __attribute__((always_inline)) +# define __inline__ __inline__ __attribute__((always_inline)) +# define __inline __inline __attribute__((always_inline)) +#endif + +#define __deprecated __attribute__((deprecated)) +#define __packed __attribute__((packed)) +#define __weak __attribute__((weak)) + +/* + * it doesn't make sense on ARM (currently the only user of __naked) to trace + * naked functions because then mcount is called without stack and frame pointer + * being set up and there is no chance to restore the lr register to the value + * before mcount was called. + */ +#define __naked __attribute__((naked)) notrace + +#define __noreturn __attribute__((noreturn)) + +/* + * From the GCC manual: + * + * Many functions have no effects except the return value and their + * return value depends only on the parameters and/or global + * variables. Such a function can be subject to common subexpression + * elimination and loop optimization just as an arithmetic operator + * would be. + * [...] + */ +#define __pure __attribute__((pure)) +#define __aligned(x) __attribute__((aligned(x))) +#define __printf(a,b) __attribute__((format(printf,a,b))) +#define noinline __attribute__((noinline)) +#define __attribute_const__ __attribute__((__const__)) +#define __maybe_unused __attribute__((unused)) +#define __always_unused __attribute__((unused)) + +#define __gcc_header(x) #x +#define _gcc_header(x) __gcc_header(linux/compiler-gcc##x.h) +#define gcc_header(x) _gcc_header(x) +#include gcc_header(__GNUC__) diff --git a/include/linux/compiler-gcc4.h b/include/linux/compiler-gcc4.h new file mode 100644 index 0000000..94dea3f --- /dev/null +++ b/include/linux/compiler-gcc4.h @@ -0,0 +1,61 @@ +#ifndef __LINUX_COMPILER_H +#error "Please don't include <linux/compiler-gcc4.h> directly, include <linux/compiler.h> instead." +#endif + +/* GCC 4.1.[01] miscompiles __weak */ +#ifdef __KERNEL__ +# if __GNUC_MINOR__ == 1 && __GNUC_PATCHLEVEL__ <= 1 +# error Your version of gcc miscompiles the __weak directive +# endif +#endif + +#define __used __attribute__((__used__)) +#define __must_check __attribute__((warn_unused_result)) +#define __compiler_offsetof(a,b) __builtin_offsetof(a,b) +#define __always_inline inline __attribute__((always_inline)) + +/* + * A trick to suppress uninitialized variable warning without generating any + * code + */ +#define uninitialized_var(x) x = x + +#if __GNUC_MINOR__ >= 3 +/* Mark functions as cold. gcc will assume any path leading to a call + to them will be unlikely. This means a lot of manual unlikely()s + are unnecessary now for any paths leading to the usual suspects + like BUG(), printk(), panic() etc. [but let's keep them for now for + older compilers] + + Early snapshots of gcc 4.3 don't support this and we can't detect this + in the preprocessor, but we can live with this because they're unreleased. + Maketime probing would be overkill here. + + gcc also has a __attribute__((__hot__)) to move hot functions into + a special section, but I don't see any sense in this right now in + the kernel context */ +#define __cold __attribute__((__cold__)) + + +#if __GNUC_MINOR__ >= 5 +/* + * Mark a position in code as unreachable. This can be used to + * suppress control flow warnings after asm blocks that transfer + * control elsewhere. + * + * Early snapshots of gcc 4.5 don't support this and we can't detect + * this in the preprocessor, but we can live with this because they're + * unreleased. Really, we need to have autoconf for the kernel. + */ +#define unreachable() __builtin_unreachable() +#endif + +#endif + +#if __GNUC_MINOR__ > 0 +#define __compiletime_object_size(obj) __builtin_object_size(obj, 0) +#endif +#if __GNUC_MINOR__ >= 4 +#define __compiletime_warning(message) __attribute__((warning(message))) +#define __compiletime_error(message) __attribute__((error(message))) +#endif diff --git a/include/linux/compiler.h b/include/linux/compiler.h new file mode 100644 index 0000000..5be3dab --- /dev/null +++ b/include/linux/compiler.h @@ -0,0 +1,303 @@ +#ifndef __LINUX_COMPILER_H +#define __LINUX_COMPILER_H + +#ifndef __ASSEMBLY__ + +#ifdef __CHECKER__ +# define __user __attribute__((noderef, address_space(1))) +# define __kernel /* default address space */ +# define __safe __attribute__((safe)) +# define __force __attribute__((force)) +# define __nocast __attribute__((nocast)) +# define __iomem __attribute__((noderef, address_space(2))) +# define __acquires(x) __attribute__((context(x,0,1))) +# define __releases(x) __attribute__((context(x,1,0))) +# define __acquire(x) __context__(x,1) +# define __release(x) __context__(x,-1) +# define __cond_lock(x,c) ((c) ? ({ __acquire(x); 1; }) : 0) +extern void __chk_user_ptr(const volatile void __user *); +extern void __chk_io_ptr(const volatile void __iomem *); +#else +# define __user +# define __kernel +# define __safe +# define __force +# define __nocast +# define __iomem +# define __chk_user_ptr(x) (void)0 +# define __chk_io_ptr(x) (void)0 +# define __builtin_warning(x, y...) (1) +# define __acquires(x) +# define __releases(x) +# define __acquire(x) (void)0 +# define __release(x) (void)0 +# define __cond_lock(x,c) (c) +#endif + +#ifdef __KERNEL__ + +#ifdef __GNUC__ +#include <linux/compiler-gcc.h> +#endif + +#define notrace __attribute__((no_instrument_function)) + +/* Intel compiler defines __GNUC__. So we will overwrite implementations + * coming from above header files here + */ +#ifdef __INTEL_COMPILER +# include <linux/compiler-intel.h> +#endif + +/* + * Generic compiler-dependent macros required for kernel + * build go below this comment. Actual compiler/compiler version + * specific implementations come from the above header files + */ + +struct ftrace_branch_data { + const char *func; + const char *file; + unsigned line; + union { + struct { + unsigned long correct; + unsigned long incorrect; + }; + struct { + unsigned long miss; + unsigned long hit; + }; + unsigned long miss_hit[2]; + }; +}; + +/* + * Note: DISABLE_BRANCH_PROFILING can be used by special lowlevel code + * to disable branch tracing on a per file basis. + */ +#if defined(CONFIG_TRACE_BRANCH_PROFILING) \ + && !defined(DISABLE_BRANCH_PROFILING) && !defined(__CHECKER__) +void ftrace_likely_update(struct ftrace_branch_data *f, int val, int expect); + +#define likely_notrace(x) __builtin_expect(!!(x), 1) +#define unlikely_notrace(x) __builtin_expect(!!(x), 0) + +#define __branch_check__(x, expect) ({ \ + int ______r; \ + static struct ftrace_branch_data \ + __attribute__((__aligned__(4))) \ + __attribute__((section("_ftrace_annotated_branch"))) \ + ______f = { \ + .func = __func__, \ + .file = __FILE__, \ + .line = __LINE__, \ + }; \ + ______r = likely_notrace(x); \ + ftrace_likely_update(&______f, ______r, expect); \ + ______r; \ + }) + +/* + * Using __builtin_constant_p(x) to ignore cases where the return + * value is always the same. This idea is taken from a similar patch + * written by Daniel Walker. + */ +# ifndef likely +# define likely(x) (__builtin_constant_p(x) ? !!(x) : __branch_check__(x, 1)) +# endif +# ifndef unlikely +# define unlikely(x) (__builtin_constant_p(x) ? !!(x) : __branch_check__(x, 0)) +# endif + +#ifdef CONFIG_PROFILE_ALL_BRANCHES +/* + * "Define 'is'", Bill Clinton + * "Define 'if'", Steven Rostedt + */ +#define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) ) +#define __trace_if(cond) \ + if (__builtin_constant_p((cond)) ? !!(cond) : \ + ({ \ + int ______r; \ + static struct ftrace_branch_data \ + __attribute__((__aligned__(4))) \ + __attribute__((section("_ftrace_branch"))) \ + ______f = { \ + .func = __func__, \ + .file = __FILE__, \ + .line = __LINE__, \ + }; \ + ______r = !!(cond); \ + ______f.miss_hit[______r]++; \ + ______r; \ + })) +#endif /* CONFIG_PROFILE_ALL_BRANCHES */ + +#else +# define likely(x) __builtin_expect(!!(x), 1) +# define unlikely(x) __builtin_expect(!!(x), 0) +#endif + +/* Optimization barrier */ +#ifndef barrier +# define barrier() __memory_barrier() +#endif + +/* Unreachable code */ +#ifndef unreachable +# define unreachable() do { } while (1) +#endif + +#ifndef RELOC_HIDE +# define RELOC_HIDE(ptr, off) \ + ({ unsigned long __ptr; \ + __ptr = (unsigned long) (ptr); \ + (typeof(ptr)) (__ptr + (off)); }) +#endif + +#endif /* __KERNEL__ */ + +#endif /* __ASSEMBLY__ */ + +#ifdef __KERNEL__ +/* + * Allow us to mark functions as 'deprecated' and have gcc emit a nice + * warning for each use, in hopes of speeding the functions removal. + * Usage is: + * int __deprecated foo(void) + */ +#ifndef __deprecated +# define __deprecated /* unimplemented */ +#endif + +#ifdef MODULE +#define __deprecated_for_modules __deprecated +#else +#define __deprecated_for_modules +#endif + +#ifndef __must_check +#define __must_check +#endif + +#ifndef CONFIG_ENABLE_MUST_CHECK +#undef __must_check +#define __must_check +#endif +#ifndef CONFIG_ENABLE_WARN_DEPRECATED +#undef __deprecated +#undef __deprecated_for_modules +#define __deprecated +#define __deprecated_for_modules +#endif + +/* + * Allow us to avoid 'defined but not used' warnings on functions and data, + * as well as force them to be emitted to the assembly file. + * + * As of gcc 3.4, static functions that are not marked with attribute((used)) + * may be elided from the assembly file. As of gcc 3.4, static data not so + * marked will not be elided, but this may change in a future gcc version. + * + * NOTE: Because distributions shipped with a backported unit-at-a-time + * compiler in gcc 3.3, we must define __used to be __attribute__((used)) + * for gcc >=3.3 instead of 3.4. + * + * In prior versions of gcc, such functions and data would be emitted, but + * would be warned about except with attribute((unused)). + * + * Mark functions that are referenced only in inline assembly as __used so + * the code is emitted even though it appears to be unreferenced. + */ +#ifndef __used +# define __used /* unimplemented */ +#endif + +#ifndef __maybe_unused +# define __maybe_unused /* unimplemented */ +#endif + +#ifndef __always_unused +# define __always_unused /* unimplemented */ +#endif + +#ifndef noinline +#define noinline +#endif + +/* + * Rather then using noinline to prevent stack consumption, use + * noinline_for_stack instead. For documentaiton reasons. + */ +#define noinline_for_stack noinline + +#ifndef __always_inline +#define __always_inline inline +#endif + +#endif /* __KERNEL__ */ + +/* + * From the GCC manual: + * + * Many functions do not examine any values except their arguments, + * and have no effects except the return value. Basically this is + * just slightly more strict class than the `pure' attribute above, + * since function is not allowed to read global memory. + * + * Note that a function that has pointer arguments and examines the + * data pointed to must _not_ be declared `const'. Likewise, a + * function that calls a non-`const' function usually must not be + * `const'. It does not make sense for a `const' function to return + * `void'. + */ +#ifndef __attribute_const__ +# define __attribute_const__ /* unimplemented */ +#endif + +/* + * Tell gcc if a function is cold. The compiler will assume any path + * directly leading to the call is unlikely. + */ + +#ifndef __cold +#define __cold +#endif + +/* Simple shorthand for a section definition */ +#ifndef __section +# define __section(S) __attribute__ ((__section__(#S))) +#endif + +/* Are two types/vars the same type (ignoring qualifiers)? */ +#ifndef __same_type +# define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b)) +#endif + +/* Compile time object size, -1 for unknown */ +#ifndef __compiletime_object_size +# define __compiletime_object_size(obj) -1 +#endif +#ifndef __compiletime_warning +# define __compiletime_warning(message) +#endif +#ifndef __compiletime_error +# define __compiletime_error(message) +#endif + +/* + * Prevent the compiler from merging or refetching accesses. The compiler + * is also forbidden from reordering successive instances of ACCESS_ONCE(), + * but only when the compiler is aware of some particular ordering. One way + * to make the compiler aware of ordering is to put the two invocations of + * ACCESS_ONCE() in different C statements. + * + * This macro does absolutely -nothing- to prevent the CPU from reordering, + * merging, or refetching absolutely anything at any time. Its main intended + * use is to mediate communication between process-level code and irq/NMI + * handlers, all running on the same CPU. + */ +#define ACCESS_ONCE(x) (*(volatile typeof(x) *)&(x)) + +#endif /* __LINUX_COMPILER_H */ diff --git a/include/linux/edd.h b/include/linux/edd.h new file mode 100644 index 0000000..4cbd0fe --- /dev/null +++ b/include/linux/edd.h @@ -0,0 +1,194 @@ +/* + * linux/include/linux/edd.h + * Copyright (C) 2002, 2003, 2004 Dell Inc. + * by Matt Domsch <Matt_Domsch@dell.com> + * + * structures and definitions for the int 13h, ax={41,48}h + * BIOS Enhanced Disk Drive Services + * This is based on the T13 group document D1572 Revision 0 (August 14 2002) + * available at http://www.t13.org/docs2002/d1572r0.pdf. It is + * very similar to D1484 Revision 3 http://www.t13.org/docs2002/d1484r3.pdf + * + * In a nutshell, arch/{i386,x86_64}/boot/setup.S populates a scratch + * table in the boot_params that contains a list of BIOS-enumerated + * boot devices. + * In arch/{i386,x86_64}/kernel/setup.c, this information is + * transferred into the edd structure, and in drivers/firmware/edd.c, that + * information is used to identify BIOS boot disk. The code in setup.S + * is very sensitive to the size of these structures. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License v2.0 as published by + * the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ +#ifndef _LINUX_EDD_H +#define _LINUX_EDD_H + +#include <linux/types.h> + +#define EDDNR 0x1e9 /* addr of number of edd_info structs at EDDBUF + in boot_params - treat this as 1 byte */ +#define EDDBUF 0xd00 /* addr of edd_info structs in boot_params */ +#define EDDMAXNR 6 /* number of edd_info structs starting at EDDBUF */ +#define EDDEXTSIZE 8 /* change these if you muck with the structures */ +#define EDDPARMSIZE 74 +#define CHECKEXTENSIONSPRESENT 0x41 +#define GETDEVICEPARAMETERS 0x48 +#define LEGACYGETDEVICEPARAMETERS 0x08 +#define EDDMAGIC1 0x55AA +#define EDDMAGIC2 0xAA55 + + +#define READ_SECTORS 0x02 /* int13 AH=0x02 is READ_SECTORS command */ +#define EDD_MBR_SIG_OFFSET 0x1B8 /* offset of signature in the MBR */ +#define EDD_MBR_SIG_BUF 0x290 /* addr in boot params */ +#define EDD_MBR_SIG_MAX 16 /* max number of signatures to store */ +#define EDD_MBR_SIG_NR_BUF 0x1ea /* addr of number of MBR signtaures at EDD_MBR_SIG_BUF + in boot_params - treat this as 1 byte */ + +#ifndef __ASSEMBLY__ + +#define EDD_EXT_FIXED_DISK_ACCESS (1 << 0) +#define EDD_EXT_DEVICE_LOCKING_AND_EJECTING (1 << 1) +#define EDD_EXT_ENHANCED_DISK_DRIVE_SUPPORT (1 << 2) +#define EDD_EXT_64BIT_EXTENSIONS (1 << 3) + +#define EDD_INFO_DMA_BOUNDARY_ERROR_TRANSPARENT (1 << 0) +#define EDD_INFO_GEOMETRY_VALID (1 << 1) +#define EDD_INFO_REMOVABLE (1 << 2) +#define EDD_INFO_WRITE_VERIFY (1 << 3) +#define EDD_INFO_MEDIA_CHANGE_NOTIFICATION (1 << 4) +#define EDD_INFO_LOCKABLE (1 << 5) +#define EDD_INFO_NO_MEDIA_PRESENT (1 << 6) +#define EDD_INFO_USE_INT13_FN50 (1 << 7) + +struct edd_device_params { + __u16 length; + __u16 info_flags; + __u32 num_default_cylinders; + __u32 num_default_heads; + __u32 sectors_per_track; + __u64 number_of_sectors; + __u16 bytes_per_sector; + __u32 dpte_ptr; /* 0xFFFFFFFF for our purposes */ + __u16 key; /* = 0xBEDD */ + __u8 device_path_info_length; /* = 44 */ + __u8 reserved2; + __u16 reserved3; + __u8 host_bus_type[4]; + __u8 interface_type[8]; + union { + struct { + __u16 base_address; + __u16 reserved1; + __u32 reserved2; + } __attribute__ ((packed)) isa; + struct { + __u8 bus; + __u8 slot; + __u8 function; + __u8 channel; + __u32 reserved; + } __attribute__ ((packed)) pci; + /* pcix is same as pci */ + struct { + __u64 reserved; + } __attribute__ ((packed)) ibnd; + struct { + __u64 reserved; + } __attribute__ ((packed)) xprs; + struct { + __u64 reserved; + } __attribute__ ((packed)) htpt; + struct { + __u64 reserved; + } __attribute__ ((packed)) unknown; + } interface_path; + union { + struct { + __u8 device; + __u8 reserved1; + __u16 reserved2; + __u32 reserved3; + __u64 reserved4; + } __attribute__ ((packed)) ata; + struct { + __u8 device; + __u8 lun; + __u8 reserved1; + __u8 reserved2; + __u32 reserved3; + __u64 reserved4; + } __attribute__ ((packed)) atapi; + struct { + __u16 id; + __u64 lun; + __u16 reserved1; + __u32 reserved2; + } __attribute__ ((packed)) scsi; + struct { + __u64 serial_number; + __u64 reserved; + } __attribute__ ((packed)) usb; + struct { + __u64 eui; + __u64 reserved; + } __attribute__ ((packed)) i1394; + struct { + __u64 wwid; + __u64 lun; + } __attribute__ ((packed)) fibre; + struct { + __u64 identity_tag; + __u64 reserved; + } __attribute__ ((packed)) i2o; + struct { + __u32 array_number; + __u32 reserved1; + __u64 reserved2; + } __attribute__ ((packed)) raid; + struct { + __u8 device; + __u8 reserved1; + __u16 reserved2; + __u32 reserved3; + __u64 reserved4; + } __attribute__ ((packed)) sata; + struct { + __u64 reserved1; + __u64 reserved2; + } __attribute__ ((packed)) unknown; + } device_path; + __u8 reserved4; + __u8 checksum; +} __attribute__ ((packed)); + +struct edd_info { + __u8 device; + __u8 version; + __u16 interface_support; + __u16 legacy_max_cylinder; + __u8 legacy_max_head; + __u8 legacy_sectors_per_track; + struct edd_device_params params; +} __attribute__ ((packed)); + +struct edd { + unsigned int mbr_signature[EDD_MBR_SIG_MAX]; + struct edd_info edd_info[EDDMAXNR]; + unsigned char mbr_signature_nr; + unsigned char edd_info_nr; +}; + +#ifdef __KERNEL__ +extern struct edd edd; +#endif /* __KERNEL__ */ +#endif /*!__ASSEMBLY__ */ + +#endif /* _LINUX_EDD_H */ diff --git a/include/linux/ioctl.h b/include/linux/ioctl.h new file mode 100644 index 0000000..7e55c36 --- /dev/null +++ b/include/linux/ioctl.h @@ -0,0 +1,6 @@ +#ifndef _LINUX_IOCTL_H +#define _LINUX_IOCTL_H + +#include <asm/ioctl.h> + +#endif /* _LINUX_IOCTL_H */ diff --git a/include/linux/ioport.h b/include/linux/ioport.h new file mode 100644 index 0000000..7129504 --- /dev/null +++ b/include/linux/ioport.h @@ -0,0 +1,192 @@ +/* + * ioport.h Definitions of routines for detecting, reserving and + * allocating system resources. + * + * Authors: Linus Torvalds + */ + +#ifndef _LINUX_IOPORT_H +#define _LINUX_IOPORT_H + +#ifndef __ASSEMBLY__ +#include <linux/compiler.h> +#include <linux/types.h> +/* + * Resources are tree-like, allowing + * nesting etc.. + */ +struct resource { + resource_size_t start; + resource_size_t end; + const char *name; + unsigned long flags; + struct resource *parent, *sibling, *child; +}; + +struct resource_list { + struct resource_list *next; + struct resource *res; + struct pci_dev *dev; +}; + +/* + * IO resources have these defined flags. + */ +#define IORESOURCE_BITS 0x000000ff /* Bus-specific bits */ + +#define IORESOURCE_TYPE_BITS 0x00000f00 /* Resource type */ +#define IORESOURCE_IO 0x00000100 +#define IORESOURCE_MEM 0x00000200 +#define IORESOURCE_IRQ 0x00000400 +#define IORESOURCE_DMA 0x00000800 + +#define IORESOURCE_PREFETCH 0x00001000 /* No side effects */ +#define IORESOURCE_READONLY 0x00002000 +#define IORESOURCE_CACHEABLE 0x00004000 +#define IORESOURCE_RANGELENGTH 0x00008000 +#define IORESOURCE_SHADOWABLE 0x00010000 + +#define IORESOURCE_SIZEALIGN 0x00020000 /* size indicates alignment */ +#define IORESOURCE_STARTALIGN 0x00040000 /* start field is alignment */ + +#define IORESOURCE_MEM_64 0x00100000 + +#define IORESOURCE_EXCLUSIVE 0x08000000 /* Userland may not map this resource */ +#define IORESOURCE_DISABLED 0x10000000 +#define IORESOURCE_UNSET 0x20000000 +#define IORESOURCE_AUTO 0x40000000 +#define IORESOURCE_BUSY 0x80000000 /* Driver has marked this resource busy */ + +/* PnP IRQ specific bits (IORESOURCE_BITS) */ +#define IORESOURCE_IRQ_HIGHEDGE (1<<0) +#define IORESOURCE_IRQ_LOWEDGE (1<<1) +#define IORESOURCE_IRQ_HIGHLEVEL (1<<2) +#define IORESOURCE_IRQ_LOWLEVEL (1<<3) +#define IORESOURCE_IRQ_SHAREABLE (1<<4) +#define IORESOURCE_IRQ_OPTIONAL (1<<5) + +/* PnP DMA specific bits (IORESOURCE_BITS) */ +#define IORESOURCE_DMA_TYPE_MASK (3<<0) +#define IORESOURCE_DMA_8BIT (0<<0) +#define IORESOURCE_DMA_8AND16BIT (1<<0) +#define IORESOURCE_DMA_16BIT (2<<0) + +#define IORESOURCE_DMA_MASTER (1<<2) +#define IORESOURCE_DMA_BYTE (1<<3) +#define IORESOURCE_DMA_WORD (1<<4) + +#define IORESOURCE_DMA_SPEED_MASK (3<<6) +#define IORESOURCE_DMA_COMPATIBLE (0<<6) +#define IORESOURCE_DMA_TYPEA (1<<6) +#define IORESOURCE_DMA_TYPEB (2<<6) +#define IORESOURCE_DMA_TYPEF (3<<6) + +/* PnP memory I/O specific bits (IORESOURCE_BITS) */ +#define IORESOURCE_MEM_WRITEABLE (1<<0) /* dup: IORESOURCE_READONLY */ +#define IORESOURCE_MEM_CACHEABLE (1<<1) /* dup: IORESOURCE_CACHEABLE */ +#define IORESOURCE_MEM_RANGELENGTH (1<<2) /* dup: IORESOURCE_RANGELENGTH */ +#define IORESOURCE_MEM_TYPE_MASK (3<<3) +#define IORESOURCE_MEM_8BIT (0<<3) +#define IORESOURCE_MEM_16BIT (1<<3) +#define IORESOURCE_MEM_8AND16BIT (2<<3) +#define IORESOURCE_MEM_32BIT (3<<3) +#define IORESOURCE_MEM_SHADOWABLE (1<<5) /* dup: IORESOURCE_SHADOWABLE */ +#define IORESOURCE_MEM_EXPANSIONROM (1<<6) + +/* PnP I/O specific bits (IORESOURCE_BITS) */ +#define IORESOURCE_IO_16BIT_ADDR (1<<0) +#define IORESOURCE_IO_FIXED (1<<1) + +/* PCI ROM control bits (IORESOURCE_BITS) */ +#define IORESOURCE_ROM_ENABLE (1<<0) /* ROM is enabled, same as PCI_ROM_ADDRESS_ENABLE */ +#define IORESOURCE_ROM_SHADOW (1<<1) /* ROM is copy at C000:0 */ +#define IORESOURCE_ROM_COPY (1<<2) /* ROM is alloc'd copy, resource field overlaid */ +#define IORESOURCE_ROM_BIOS_COPY (1<<3) /* ROM is BIOS copy, resource field overlaid */ + +/* PCI control bits. Shares IORESOURCE_BITS with above PCI ROM. */ +#define IORESOURCE_PCI_FIXED (1<<4) /* Do not move resource */ + +/* PC/ISA/whatever - the normal PC address spaces: IO and memory */ +extern struct resource ioport_resource; +extern struct resource iomem_resource; + +extern int request_resource(struct resource *root, struct resource *new); +extern int release_resource(struct resource *new); +extern void reserve_region_with_split(struct resource *root, + resource_size_t start, resource_size_t end, + const char *name); +extern int insert_resource(struct resource *parent, struct resource *new); +extern void insert_resource_expand_to_fit(struct resource *root, struct resource *new); +extern int allocate_resource(struct resource *root, struct resource *new, + resource_size_t size, resource_size_t min, + resource_size_t max, resource_size_t align, + void (*alignf)(void *, struct resource *, + resource_size_t, resource_size_t), + void *alignf_data); +int adjust_resource(struct resource *res, resource_size_t start, + resource_size_t size); +resource_size_t resource_alignment(struct resource *res); +static inline resource_size_t resource_size(const struct resource *res) +{ + return res->end - res->start + 1; +} +static inline unsigned long resource_type(const struct resource *res) +{ + return res->flags & IORESOURCE_TYPE_BITS; +} + +/* Convenience shorthand with allocation */ +#define request_region(start,n,name) __request_region(&ioport_resource, (start), (n), (name), 0) +#define __request_mem_region(start,n,name, excl) __request_region(&iomem_resource, (start), (n), (name), excl) +#define request_mem_region(start,n,name) __request_region(&iomem_resource, (start), (n), (name), 0) +#define request_mem_region_exclusive(start,n,name) \ + __request_region(&iomem_resource, (start), (n), (name), IORESOURCE_EXCLUSIVE) +#define rename_region(region, newname) do { (region)->name = (newname); } while (0) + +extern struct resource * __request_region(struct resource *, + resource_size_t start, + resource_size_t n, + const char *name, int flags); + +/* Compatibility cruft */ +#define release_region(start,n) __release_region(&ioport_resource, (start), (n)) +#define check_mem_region(start,n) __check_region(&iomem_resource, (start), (n)) +#define release_mem_region(start,n) __release_region(&iomem_resource, (start), (n)) + +extern int __check_region(struct resource *, resource_size_t, resource_size_t); +extern void __release_region(struct resource *, resource_size_t, + resource_size_t); + +static inline int __deprecated check_region(resource_size_t s, + resource_size_t n) +{ + return __check_region(&ioport_resource, s, n); +} + +/* Wrappers for managed devices */ +struct device; +#define devm_request_region(dev,start,n,name) \ + __devm_request_region(dev, &ioport_resource, (start), (n), (name)) +#define devm_request_mem_region(dev,start,n,name) \ + __devm_request_region(dev, &iomem_resource, (start), (n), (name)) + +extern struct resource * __devm_request_region(struct device *dev, + struct resource *parent, resource_size_t start, + resource_size_t n, const char *name); + +#define devm_release_region(dev, start, n) \ + __devm_release_region(dev, &ioport_resource, (start), (n)) +#define devm_release_mem_region(dev, start, n) \ + __devm_release_region(dev, &iomem_resource, (start), (n)) + +extern void __devm_release_region(struct device *dev, struct resource *parent, + resource_size_t start, resource_size_t n); +extern int iomem_map_sanity_check(resource_size_t addr, unsigned long size); +extern int iomem_is_exclusive(u64 addr); + +extern int +walk_system_ram_range(unsigned long start_pfn, unsigned long nr_pages, + void *arg, int (*func)(unsigned long, unsigned long, void *)); + +#endif /* __ASSEMBLY__ */ +#endif /* _LINUX_IOPORT_H */ diff --git a/include/linux/screen_info.h b/include/linux/screen_info.h new file mode 100644 index 0000000..899fbb4 --- /dev/null +++ b/include/linux/screen_info.h @@ -0,0 +1,84 @@ +#ifndef _SCREEN_INFO_H +#define _SCREEN_INFO_H + +#include <linux/types.h> + +/* + * These are set up by the setup-routine at boot-time: + */ + +struct screen_info { + __u8 orig_x; /* 0x00 */ + __u8 orig_y; /* 0x01 */ + __u16 ext_mem_k; /* 0x02 */ + __u16 orig_video_page; /* 0x04 */ + __u8 orig_video_mode; /* 0x06 */ + __u8 orig_video_cols; /* 0x07 */ + __u8 flags; /* 0x08 */ + __u8 unused2; /* 0x09 */ + __u16 orig_video_ega_bx;/* 0x0a */ + __u16 unused3; /* 0x0c */ + __u8 orig_video_lines; /* 0x0e */ + __u8 orig_video_isVGA; /* 0x0f */ + __u16 orig_video_points;/* 0x10 */ + + /* VESA graphic mode -- linear frame buffer */ + __u16 lfb_width; /* 0x12 */ + __u16 lfb_height; /* 0x14 */ + __u16 lfb_depth; /* 0x16 */ + __u32 lfb_base; /* 0x18 */ + __u32 lfb_size; /* 0x1c */ + __u16 cl_magic, cl_offset; /* 0x20 */ + __u16 lfb_linelength; /* 0x24 */ + __u8 red_size; /* 0x26 */ + __u8 red_pos; /* 0x27 */ + __u8 green_size; /* 0x28 */ + __u8 green_pos; /* 0x29 */ + __u8 blue_size; /* 0x2a */ + __u8 blue_pos; /* 0x2b */ + __u8 rsvd_size; /* 0x2c */ + __u8 rsvd_pos; /* 0x2d */ + __u16 vesapm_seg; /* 0x2e */ + __u16 vesapm_off; /* 0x30 */ + __u16 pages; /* 0x32 */ + __u16 vesa_attributes; /* 0x34 */ + __u32 capabilities; /* 0x36 */ + __u8 _reserved[6]; /* 0x3a */ +} __attribute__((packed)); + +#define VIDEO_TYPE_MDA 0x10 /* Monochrome Text Display */ +#define VIDEO_TYPE_CGA 0x11 /* CGA Display */ +#define VIDEO_TYPE_EGAM 0x20 /* EGA/VGA in Monochrome Mode */ +#define VIDEO_TYPE_EGAC 0x21 /* EGA in Color Mode */ +#define VIDEO_TYPE_VGAC 0x22 /* VGA+ in Color Mode */ +#define VIDEO_TYPE_VLFB 0x23 /* VESA VGA in graphic mode */ + +#define VIDEO_TYPE_PICA_S3 0x30 /* ACER PICA-61 local S3 video */ +#define VIDEO_TYPE_MIPS_G364 0x31 /* MIPS Magnum 4000 G364 video */ +#define VIDEO_TYPE_SGI 0x33 /* Various SGI graphics hardware */ + +#define VIDEO_TYPE_TGAC 0x40 /* DEC TGA */ + +#define VIDEO_TYPE_SUN 0x50 /* Sun frame buffer. */ +#define VIDEO_TYPE_SUNPCI 0x51 /* Sun PCI based frame buffer. */ + +#define VIDEO_TYPE_PMAC 0x60 /* PowerMacintosh frame buffer. */ + +#define VIDEO_TYPE_EFI 0x70 /* EFI graphic mode */ + +#define VIDEO_FLAGS_NOCURSOR (1 << 0) /* The video mode has no cursor set */ + +#ifdef __KERNEL__ +extern struct screen_info screen_info; + +#define ORIG_X (screen_info.orig_x) +#define ORIG_Y (screen_info.orig_y) +#define ORIG_VIDEO_MODE (screen_info.orig_video_mode) +#define ORIG_VIDEO_COLS (screen_info.orig_video_cols) +#define ORIG_VIDEO_EGA_BX (screen_info.orig_video_ega_bx) +#define ORIG_VIDEO_LINES (screen_info.orig_video_lines) +#define ORIG_VIDEO_ISVGA (screen_info.orig_video_isVGA) +#define ORIG_VIDEO_POINTS (screen_info.orig_video_points) +#endif /* __KERNEL__ */ + +#endif /* _SCREEN_INFO_H */ |