1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21 /*
22 * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
23 * Use is subject to license terms.
24 */
25
26 /*
27 * Copyright (c) 2015, Joyent, Inc. All rights reserved.
28 */
29
30 #ifndef _SYS_MEM_H
31 #define _SYS_MEM_H
32
33 #ifdef __cplusplus
34 extern "C" {
35 #endif
36
37 #include <sys/types.h>
38 #include <sys/uio.h>
39
40 /*
41 * Memory Device Minor Numbers
42 */
43 #define M_MEM 0 /* /dev/mem - physical main memory */
44 #define M_KMEM 1 /* /dev/kmem - virtual kernel memory */
45 #define M_NULL 2 /* /dev/null - EOF & Rathole */
46 #define M_ALLKMEM 3 /* /dev/allkmem - virtual kernel memory & I/O */
47 #define M_ZERO 12 /* /dev/zero - source of private memory */
48
49 /*
50 * Private ioctl for libkvm: translate virtual address to physical address.
51 */
52 #define MEM_VTOP (('M' << 8) | 0x01)
53
54 typedef struct mem_vtop {
55 struct as *m_as;
56 void *m_va;
57 pfn_t m_pfn;
58 } mem_vtop_t;
59
60 #if defined(_SYSCALL32)
61 typedef struct mem_vtop32 {
62 uint32_t m_as;
63 uint32_t m_va;
64 uint32_t m_pfn;
65 } mem_vtop32_t;
66 #endif
67
68 /*
69 * Private ioctls for fmd(1M). These interfaces are Sun Private. Applications
70 * and drivers should not make use of these interfaces: they can change without
71 * notice and programs that consume them will fail to run on future releases.
72 */
73 #define MEM_NAME (('M' << 8) | 0x04)
74 #define MEM_INFO (('M' << 8) | 0x05)
75
76 #define MEM_PAGE_RETIRE (('M' << 8) | 0x02)
77 #define MEM_PAGE_ISRETIRED (('M' << 8) | 0x03)
78 #define MEM_PAGE_UNRETIRE (('M' << 8) | 0x06)
79 #define MEM_PAGE_GETERRORS (('M' << 8) | 0x07)
80 #define MEM_PAGE_RETIRE_MCE (('M' << 8) | 0x08)
81 #define MEM_PAGE_RETIRE_UE (('M' << 8) | 0x09)
82 #define MEM_PAGE_RETIRE_TEST (('M' << 8) | 0x0A)
83
84 #define MEM_SID (('M' << 8) | 0x0B)
85
86 /*
87 * Bits returned from MEM_PAGE_GETERRORS ioctl for use by fmd(1M).
88 */
89 #define MEM_PAGE_ERR_NONE 0x0
90 #define MEM_PAGE_ERR_MULTI_CE 0x1
91 #define MEM_PAGE_ERR_UE 0x2
92 #define MEM_PAGE_ERR_FMA_REQ 0x8
93
94 #define MEM_FMRI_MAX_BUFSIZE 8192 /* maximum allowed packed FMRI size */
95
96 typedef struct mem_name {
97 uint64_t m_addr; /* memory address */
98 uint64_t m_synd; /* architecture-specific syndrome */
99 uint64_t m_type[2]; /* architecture-specific type */
100 caddr_t m_name; /* memory name buffer */
101 size_t m_namelen; /* memory name buffer length */
102 caddr_t m_sid; /* memory serial id buffer */
103 size_t m_sidlen; /* memory serial id buffer length */
104 } mem_name_t;
105
106 #if defined(_SYSCALL32)
107 typedef struct mem_name32 {
108 uint64_t m_addr;
109 uint64_t m_synd;
110 uint64_t m_type[2];
111 caddr32_t m_name;
112 size32_t m_namelen;
113 caddr32_t m_sid;
114 size32_t m_sidlen;
115 } mem_name32_t;
116 #endif /* _SYSCALL32 */
117
118 typedef struct mem_info {
119 uint64_t m_addr; /* memory address */
120 uint64_t m_synd; /* architecture-specific syndrome */
121 uint64_t m_mem_size; /* total memory size */
122 uint64_t m_seg_size; /* segment size */
123 uint64_t m_bank_size; /* bank size */
124 int m_segments; /* # of segments */
125 int m_banks; /* # of banks in segment */
126 int m_mcid; /* associated memory controller id */
127 } mem_info_t;
128
129 #ifdef _KERNEL
130
131 extern pfn_t impl_obmem_pfnum(pfn_t);
132
133 extern int plat_mem_do_mmio(struct uio *, enum uio_rw);
134
135 typedef struct mm_logentry {
136 uintptr_t mle_vaddr; /* vaddr being written to */
137 size_t mle_len; /* length of write */
138 timespec_t mle_hrestime; /* hrestime at time of write */
139 hrtime_t mle_hrtime; /* hrtime at time of write */
140 pid_t mle_pid; /* pid of writing process */
141 char mle_psargs[80]; /* psargs of writing process */
142 } mm_logentry_t;
143
144 #endif /* _KERNEL */
145
146 #ifdef __cplusplus
147 }
148 #endif
149
150 #endif /* _SYS_MEM_H */