| #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, |
| UV_BIOS_WATCHLIST_ALLOC, |
| UV_BIOS_WATCHLIST_FREE, |
| UV_BIOS_MEMPROTECT, |
| UV_BIOS_GET_PARTITION_ADDR, |
| UV_BIOS_SET_LEGACY_VGA_TARGET |
| }; |
| |
| /* |
| * Status values returned from a BIOS call. |
| */ |
| enum { |
| BIOS_STATUS_MORE_PASSES = 1, |
| 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; |
| }; |
| }; |
| |
| enum uv_memprotect { |
| UV_MEMPROT_RESTRICT_ACCESS, |
| UV_MEMPROT_ALLOW_AMO, |
| UV_MEMPROT_ALLOW_RW |
| }; |
| |
| /* |
| * 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 int uv_bios_mq_watchlist_alloc(unsigned long, unsigned int, |
| unsigned long *); |
| extern int uv_bios_mq_watchlist_free(int, int); |
| extern s64 uv_bios_change_memprotect(u64, u64, enum uv_memprotect); |
| extern s64 uv_bios_reserved_page_pa(u64, u64 *, u64 *, u64 *); |
| extern int uv_bios_set_legacy_vga_target(bool decode, int domain, int bus); |
| |
| extern void uv_bios_init(void); |
| |
| extern unsigned long sn_rtc_cycles_per_second; |
| extern int uv_type; |
| extern long sn_partition_id; |
| extern long sn_coherency_id; |
| extern long sn_region_size; |
| #define partition_coherence_id() (sn_coherency_id) |
| |
| extern struct kobject *sgi_uv_kobj; /* /sys/firmware/sgi_uv */ |
| |
| #endif /* _ASM_X86_UV_BIOS_H */ |