105e4d316SH. Peter Anvin #ifndef _ASM_X86_UV_BIOS_H 205e4d316SH. Peter Anvin #define _ASM_X86_UV_BIOS_H 3bb898558SAl Viro 4bb898558SAl Viro /* 5bb898558SAl Viro * UV BIOS layer definitions. 6bb898558SAl Viro * 7bb898558SAl Viro * This program is free software; you can redistribute it and/or modify 8bb898558SAl Viro * it under the terms of the GNU General Public License as published by 9bb898558SAl Viro * the Free Software Foundation; either version 2 of the License, or 10bb898558SAl Viro * (at your option) any later version. 11bb898558SAl Viro * 12bb898558SAl Viro * This program is distributed in the hope that it will be useful, 13bb898558SAl Viro * but WITHOUT ANY WARRANTY; without even the implied warranty of 14bb898558SAl Viro * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15bb898558SAl Viro * GNU General Public License for more details. 16bb898558SAl Viro * 17bb898558SAl Viro * You should have received a copy of the GNU General Public License 18bb898558SAl Viro * along with this program; if not, write to the Free Software 19bb898558SAl Viro * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 20bb898558SAl Viro * 21b76365a1SRuss Anderson * Copyright (c) 2008-2009 Silicon Graphics, Inc. All Rights Reserved. 22b76365a1SRuss Anderson * Copyright (c) Russ Anderson <rja@sgi.com> 23bb898558SAl Viro */ 24bb898558SAl Viro 25bb898558SAl Viro #include <linux/rtc.h> 26bb898558SAl Viro 27bb898558SAl Viro /* 28bb898558SAl Viro * Values for the BIOS calls. It is passed as the first * argument in the 29bb898558SAl Viro * BIOS call. Passing any other value in the first argument will result 30bb898558SAl Viro * in a BIOS_STATUS_UNIMPLEMENTED return status. 31bb898558SAl Viro */ 32bb898558SAl Viro enum uv_bios_cmd { 33bb898558SAl Viro UV_BIOS_COMMON, 34bb898558SAl Viro UV_BIOS_GET_SN_INFO, 3564ccf2f9SRuss Anderson UV_BIOS_FREQ_BASE, 3664ccf2f9SRuss Anderson UV_BIOS_WATCHLIST_ALLOC, 37e8929c8aSRuss Anderson UV_BIOS_WATCHLIST_FREE, 3823c35700SRuss Anderson UV_BIOS_MEMPROTECT, 39841582eaSMike Travis UV_BIOS_GET_PARTITION_ADDR, 40841582eaSMike Travis UV_BIOS_SET_LEGACY_VGA_TARGET 41bb898558SAl Viro }; 42bb898558SAl Viro 43bb898558SAl Viro /* 44bb898558SAl Viro * Status values returned from a BIOS call. 45bb898558SAl Viro */ 46bb898558SAl Viro enum { 4723c35700SRuss Anderson BIOS_STATUS_MORE_PASSES = 1, 48bb898558SAl Viro BIOS_STATUS_SUCCESS = 0, 49bb898558SAl Viro BIOS_STATUS_UNIMPLEMENTED = -ENOSYS, 50bb898558SAl Viro BIOS_STATUS_EINVAL = -EINVAL, 51f331e766SHedi Berriche BIOS_STATUS_UNAVAIL = -EBUSY, 52f331e766SHedi Berriche BIOS_STATUS_ABORT = -EINTR, 53bb898558SAl Viro }; 54bb898558SAl Viro 55ef93bf80SMike Travis /* Address map parameters */ 56ef93bf80SMike Travis struct uv_gam_parameters { 57ef93bf80SMike Travis u64 mmr_base; 58ef93bf80SMike Travis u64 gru_base; 59ef93bf80SMike Travis u8 mmr_shift; /* Convert PNode to MMR space offset */ 60ef93bf80SMike Travis u8 gru_shift; /* Convert PNode to GRU space offset */ 61ef93bf80SMike Travis u8 gpa_shift; /* Size of offset field in GRU phys addr */ 62ef93bf80SMike Travis u8 unused1; 63ef93bf80SMike Travis }; 64ef93bf80SMike Travis 65ef93bf80SMike Travis /* UV_TABLE_GAM_RANGE_ENTRY values */ 66ef93bf80SMike Travis #define UV_GAM_RANGE_TYPE_UNUSED 0 /* End of table */ 67ef93bf80SMike Travis #define UV_GAM_RANGE_TYPE_RAM 1 /* Normal RAM */ 68ef93bf80SMike Travis #define UV_GAM_RANGE_TYPE_NVRAM 2 /* Non-volatile memory */ 69ef93bf80SMike Travis #define UV_GAM_RANGE_TYPE_NV_WINDOW 3 /* NVMDIMM block window */ 70ef93bf80SMike Travis #define UV_GAM_RANGE_TYPE_NV_MAILBOX 4 /* NVMDIMM mailbox */ 71ef93bf80SMike Travis #define UV_GAM_RANGE_TYPE_HOLE 5 /* Unused address range */ 72ef93bf80SMike Travis #define UV_GAM_RANGE_TYPE_MAX 6 73ef93bf80SMike Travis 74ef93bf80SMike Travis /* The structure stores PA bits 56:26, for 64MB granularity */ 75ef93bf80SMike Travis #define UV_GAM_RANGE_SHFT 26 /* 64MB */ 76ef93bf80SMike Travis 77ef93bf80SMike Travis struct uv_gam_range_entry { 78ef93bf80SMike Travis char type; /* Entry type: GAM_RANGE_TYPE_UNUSED, etc. */ 79ef93bf80SMike Travis char unused1; 80ef93bf80SMike Travis u16 nasid; /* HNasid */ 81ef93bf80SMike Travis u16 sockid; /* Socket ID, high bits of APIC ID */ 82ef93bf80SMike Travis u16 pnode; /* Index to MMR and GRU spaces */ 8322ac2bcaSMike Travis u32 unused2; 84ef93bf80SMike Travis u32 limit; /* PA bits 56:26 (UV_GAM_RANGE_SHFT) */ 85ef93bf80SMike Travis }; 86ef93bf80SMike Travis 87ef93bf80SMike Travis #define UV_SYSTAB_SIG "UVST" 88ef93bf80SMike Travis #define UV_SYSTAB_VERSION_1 1 /* UV1/2/3 BIOS version */ 89ef93bf80SMike Travis #define UV_SYSTAB_VERSION_UV4 0x400 /* UV4 BIOS base version */ 90ef93bf80SMike Travis #define UV_SYSTAB_VERSION_UV4_1 0x401 /* + gpa_shift */ 91ef93bf80SMike Travis #define UV_SYSTAB_VERSION_UV4_2 0x402 /* + TYPE_NVRAM/WINDOW/MBOX */ 9222ac2bcaSMike Travis #define UV_SYSTAB_VERSION_UV4_3 0x403 /* - GAM Range PXM Value */ 9322ac2bcaSMike Travis #define UV_SYSTAB_VERSION_UV4_LATEST UV_SYSTAB_VERSION_UV4_3 94ef93bf80SMike Travis 95ef93bf80SMike Travis #define UV_SYSTAB_TYPE_UNUSED 0 /* End of table (offset == 0) */ 96ef93bf80SMike Travis #define UV_SYSTAB_TYPE_GAM_PARAMS 1 /* GAM PARAM conversions */ 97ef93bf80SMike Travis #define UV_SYSTAB_TYPE_GAM_RNG_TBL 2 /* GAM entry table */ 98ef93bf80SMike Travis #define UV_SYSTAB_TYPE_MAX 3 99ef93bf80SMike Travis 100bb898558SAl Viro /* 101bb898558SAl Viro * The UV system table describes specific firmware 102bb898558SAl Viro * capabilities available to the Linux kernel at runtime. 103bb898558SAl Viro */ 104bb898558SAl Viro struct uv_systab { 105ef93bf80SMike Travis char signature[4]; /* must be UV_SYSTAB_SIG */ 106bb898558SAl Viro u32 revision; /* distinguish different firmware revs */ 107bb898558SAl Viro u64 function; /* BIOS runtime callback function ptr */ 108ef93bf80SMike Travis u32 size; /* systab size (starting with _VERSION_UV4) */ 109ef93bf80SMike Travis struct { 110ef93bf80SMike Travis u32 type:8; /* type of entry */ 111ef93bf80SMike Travis u32 offset:24; /* byte offset from struct start to entry */ 112ef93bf80SMike Travis } entry[1]; /* additional entries follow */ 113bb898558SAl Viro }; 114ef93bf80SMike Travis extern struct uv_systab *uv_systab; 115ef93bf80SMike Travis /* (... end of definitions from UV BIOS ...) */ 116bb898558SAl Viro 117bb898558SAl Viro enum { 118bb898558SAl Viro BIOS_FREQ_BASE_PLATFORM = 0, 119bb898558SAl Viro BIOS_FREQ_BASE_INTERVAL_TIMER = 1, 120bb898558SAl Viro BIOS_FREQ_BASE_REALTIME_CLOCK = 2 121bb898558SAl Viro }; 122bb898558SAl Viro 123bb898558SAl Viro union partition_info_u { 124bb898558SAl Viro u64 val; 125bb898558SAl Viro struct { 126bb898558SAl Viro u64 hub_version : 8, 127bb898558SAl Viro partition_id : 16, 128bb898558SAl Viro coherence_id : 16, 129bb898558SAl Viro region_size : 24; 130bb898558SAl Viro }; 131bb898558SAl Viro }; 132bb898558SAl Viro 133e8929c8aSRuss Anderson enum uv_memprotect { 134e8929c8aSRuss Anderson UV_MEMPROT_RESTRICT_ACCESS, 135e8929c8aSRuss Anderson UV_MEMPROT_ALLOW_AMO, 136e8929c8aSRuss Anderson UV_MEMPROT_ALLOW_RW 137e8929c8aSRuss Anderson }; 138e8929c8aSRuss Anderson 139bb898558SAl Viro /* 140bb898558SAl Viro * bios calls have 6 parameters 141bb898558SAl Viro */ 142bb898558SAl Viro extern s64 uv_bios_call(enum uv_bios_cmd, u64, u64, u64, u64, u64); 143bb898558SAl Viro extern s64 uv_bios_call_irqsave(enum uv_bios_cmd, u64, u64, u64, u64, u64); 144bb898558SAl Viro extern s64 uv_bios_call_reentrant(enum uv_bios_cmd, u64, u64, u64, u64, u64); 145bb898558SAl Viro 146b76365a1SRuss Anderson extern s64 uv_bios_get_sn_info(int, int *, long *, long *, long *, long *); 147bb898558SAl Viro extern s64 uv_bios_freq_base(u64, u64 *); 148c2c9f115SRobin Holt extern int uv_bios_mq_watchlist_alloc(unsigned long, unsigned int, 14964ccf2f9SRuss Anderson unsigned long *); 15064ccf2f9SRuss Anderson extern int uv_bios_mq_watchlist_free(int, int); 151e8929c8aSRuss Anderson extern s64 uv_bios_change_memprotect(u64, u64, enum uv_memprotect); 15223c35700SRuss Anderson extern s64 uv_bios_reserved_page_pa(u64, u64 *, u64 *, u64 *); 153841582eaSMike Travis extern int uv_bios_set_legacy_vga_target(bool decode, int domain, int bus); 154bb898558SAl Viro 155ef93bf80SMike Travis #ifdef CONFIG_EFI 156bb898558SAl Viro extern void uv_bios_init(void); 157ef93bf80SMike Travis #else 158ef93bf80SMike Travis void uv_bios_init(void) { } 159ef93bf80SMike Travis #endif 160bb898558SAl Viro 16164ccf2f9SRuss Anderson extern unsigned long sn_rtc_cycles_per_second; 162bb898558SAl Viro extern int uv_type; 163bb898558SAl Viro extern long sn_partition_id; 1645292ae11SIngo Molnar extern long sn_coherency_id; 1655292ae11SIngo Molnar extern long sn_region_size; 166b76365a1SRuss Anderson extern long system_serial_number; 167ef93bf80SMike Travis #define uv_partition_coherence_id() (sn_coherency_id) 168bb898558SAl Viro 169bb898558SAl Viro extern struct kobject *sgi_uv_kobj; /* /sys/firmware/sgi_uv */ 170bb898558SAl Viro 171f331e766SHedi Berriche /* 172f331e766SHedi Berriche * EFI runtime lock; cf. firmware/efi/runtime-wrappers.c for details 173f331e766SHedi Berriche */ 174f331e766SHedi Berriche extern struct semaphore __efi_uv_runtime_lock; 175f331e766SHedi Berriche 17605e4d316SH. Peter Anvin #endif /* _ASM_X86_UV_BIOS_H */ 177