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Diffstat (limited to 'arch/powerpc/include/asm/iseries/lpar_map.h')
-rw-r--r-- | arch/powerpc/include/asm/iseries/lpar_map.h | 85 |
1 files changed, 0 insertions, 85 deletions
diff --git a/arch/powerpc/include/asm/iseries/lpar_map.h b/arch/powerpc/include/asm/iseries/lpar_map.h deleted file mode 100644 index 5e9f3e128ee2..000000000000 --- a/arch/powerpc/include/asm/iseries/lpar_map.h +++ /dev/null | |||
@@ -1,85 +0,0 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2001 Mike Corrigan IBM Corporation | ||
3 | * | ||
4 | * This program is free software; you can redistribute it and/or modify | ||
5 | * it under the terms of the GNU General Public License as published by | ||
6 | * the Free Software Foundation; either version 2 of the License, or | ||
7 | * (at your option) any later version. | ||
8 | * | ||
9 | * This program is distributed in the hope that it will be useful, | ||
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
12 | * GNU General Public License for more details. | ||
13 | * | ||
14 | * You should have received a copy of the GNU General Public License | ||
15 | * along with this program; if not, write to the Free Software | ||
16 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
17 | */ | ||
18 | #ifndef _ASM_POWERPC_ISERIES_LPAR_MAP_H | ||
19 | #define _ASM_POWERPC_ISERIES_LPAR_MAP_H | ||
20 | |||
21 | #ifndef __ASSEMBLY__ | ||
22 | |||
23 | #include <asm/types.h> | ||
24 | |||
25 | #endif | ||
26 | |||
27 | /* | ||
28 | * The iSeries hypervisor will set up mapping for one or more | ||
29 | * ESID/VSID pairs (in SLB/segment registers) and will set up | ||
30 | * mappings of one or more ranges of pages to VAs. | ||
31 | * We will have the hypervisor set up the ESID->VSID mapping | ||
32 | * for the four kernel segments (C-F). With shared processors, | ||
33 | * the hypervisor will clear all segment registers and reload | ||
34 | * these four whenever the processor is switched from one | ||
35 | * partition to another. | ||
36 | */ | ||
37 | |||
38 | /* The Vsid and Esid identified below will be used by the hypervisor | ||
39 | * to set up a memory mapping for part of the load area before giving | ||
40 | * control to the Linux kernel. The load area is 64 MB, but this must | ||
41 | * not attempt to map the whole load area. The Hashed Page Table may | ||
42 | * need to be located within the load area (if the total partition size | ||
43 | * is 64 MB), but cannot be mapped. Typically, this should specify | ||
44 | * to map half (32 MB) of the load area. | ||
45 | * | ||
46 | * The hypervisor will set up page table entries for the number of | ||
47 | * pages specified. | ||
48 | * | ||
49 | * In 32-bit mode, the hypervisor will load all four of the | ||
50 | * segment registers (identified by the low-order four bits of the | ||
51 | * Esid field. In 64-bit mode, the hypervisor will load one SLB | ||
52 | * entry to map the Esid to the Vsid. | ||
53 | */ | ||
54 | |||
55 | #define HvEsidsToMap 2 | ||
56 | #define HvRangesToMap 1 | ||
57 | |||
58 | /* Hypervisor initially maps 32MB of the load area */ | ||
59 | #define HvPagesToMap 8192 | ||
60 | |||
61 | #ifndef __ASSEMBLY__ | ||
62 | struct LparMap { | ||
63 | u64 xNumberEsids; // Number of ESID/VSID pairs | ||
64 | u64 xNumberRanges; // Number of VA ranges to map | ||
65 | u64 xSegmentTableOffs; // Page number within load area of seg table | ||
66 | u64 xRsvd[5]; | ||
67 | struct { | ||
68 | u64 xKernelEsid; // Esid used to map kernel load | ||
69 | u64 xKernelVsid; // Vsid used to map kernel load | ||
70 | } xEsids[HvEsidsToMap]; | ||
71 | struct { | ||
72 | u64 xPages; // Number of pages to be mapped | ||
73 | u64 xOffset; // Offset from start of load area | ||
74 | u64 xVPN; // Virtual Page Number | ||
75 | } xRanges[HvRangesToMap]; | ||
76 | }; | ||
77 | |||
78 | extern const struct LparMap xLparMap; | ||
79 | |||
80 | #endif /* __ASSEMBLY__ */ | ||
81 | |||
82 | /* the fixed address where the LparMap exists */ | ||
83 | #define LPARMAP_PHYS 0x7000 | ||
84 | |||
85 | #endif /* _ASM_POWERPC_ISERIES_LPAR_MAP_H */ | ||