diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-10-23 10:22:01 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-10-23 10:22:01 -0700 |
commit | 5b34653963de7a6d0d8c783527457d68fddc60fb (patch) | |
tree | 1a234741e1823a54cd0514616f783b4cf503a528 /arch/x86/include/asm/uv/bios.h | |
parent | 765426e8ee4c0ab2bc9d44951f4865b8494cdbd0 (diff) | |
parent | 5e1b00758b5a8bee9d42515bffdaf305a32f1b04 (diff) |
Merge branch 'x86/um-header' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86/um-header' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (26 commits)
x86: canonicalize remaining header guards
x86: drop double underscores from header guards
x86: Fix ASM_X86__ header guards
x86, um: get rid of uml-config.h
x86, um: get rid of arch/um/Kconfig.arch
x86, um: get rid of arch/um/os symlink
x86, um: get rid of excessive includes of uml-config.h
x86, um: get rid of header symlinks
x86, um: merge Kconfig.i386 and Kconfig.x86_64
x86, um: get rid of sysdep symlink
x86, um: trim the junk from uml ptrace-*.h
x86, um: take vm-flags.h to sysdep
x86, um: get rid of uml asm/arch
x86, um: get rid of uml highmem.h
x86, um: get rid of uml unistd.h
x86, um: get rid of system.h -> system.h include
x86, um: uml atomic.h is not needed anymore
x86, um: untangle uml ldt.h
x86, um: get rid of more uml asm/arch uses
x86, um: remove dead header (uml module-generic.h; never used these days)
...
Diffstat (limited to 'arch/x86/include/asm/uv/bios.h')
-rw-r--r-- | arch/x86/include/asm/uv/bios.h | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/arch/x86/include/asm/uv/bios.h b/arch/x86/include/asm/uv/bios.h new file mode 100644 index 00000000000..d931d3b7e6f --- /dev/null +++ b/arch/x86/include/asm/uv/bios.h @@ -0,0 +1,94 @@ +#ifndef _ASM_X86_UV_BIOS_H +#define _ASM_X86_UV_BIOS_H + +/* + * UV BIOS layer definitions. + * + * 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 of the License, 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * Copyright (c) 2008 Silicon Graphics, Inc. All Rights Reserved. + * Copyright (c) Russ Anderson + */ + +#include <linux/rtc.h> + +/* + * Values for the BIOS calls. It is passed as the first * argument in the + * BIOS call. Passing any other value in the first argument will result + * in a BIOS_STATUS_UNIMPLEMENTED return status. + */ +enum uv_bios_cmd { + UV_BIOS_COMMON, + UV_BIOS_GET_SN_INFO, + UV_BIOS_FREQ_BASE +}; + +/* + * Status values returned from a BIOS call. + */ +enum { + BIOS_STATUS_SUCCESS = 0, + BIOS_STATUS_UNIMPLEMENTED = -ENOSYS, + BIOS_STATUS_EINVAL = -EINVAL, + BIOS_STATUS_UNAVAIL = -EBUSY +}; + +/* + * The UV system table describes specific firmware + * capabilities available to the Linux kernel at runtime. + */ +struct uv_systab { + char signature[4]; /* must be "UVST" */ + u32 revision; /* distinguish different firmware revs */ + u64 function; /* BIOS runtime callback function ptr */ +}; + +enum { + BIOS_FREQ_BASE_PLATFORM = 0, + BIOS_FREQ_BASE_INTERVAL_TIMER = 1, + BIOS_FREQ_BASE_REALTIME_CLOCK = 2 +}; + +union partition_info_u { + u64 val; + struct { + u64 hub_version : 8, + partition_id : 16, + coherence_id : 16, + region_size : 24; + }; +}; + +/* + * bios calls have 6 parameters + */ +extern s64 uv_bios_call(enum uv_bios_cmd, u64, u64, u64, u64, u64); +extern s64 uv_bios_call_irqsave(enum uv_bios_cmd, u64, u64, u64, u64, u64); +extern s64 uv_bios_call_reentrant(enum uv_bios_cmd, u64, u64, u64, u64, u64); + +extern s64 uv_bios_get_sn_info(int, int *, long *, long *, long *); +extern s64 uv_bios_freq_base(u64, u64 *); + +extern void uv_bios_init(void); + +extern int uv_type; +extern long sn_partition_id; +extern long uv_coherency_id; +extern long uv_region_size; +#define partition_coherence_id() (uv_coherency_id) + +extern struct kobject *sgi_uv_kobj; /* /sys/firmware/sgi_uv */ + +#endif /* _ASM_X86_UV_BIOS_H */ |