tjh.dev
Linux kernel mirror (for testing)
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kernel
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linux
1/*
2 * dcdbas.h: Definitions for Dell Systems Management Base driver
3 *
4 * Copyright (C) 1995-2005 Dell Inc.
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License v2.0 as published by
8 * the Free Software Foundation.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 */
15
16#ifndef _DCDBAS_H_
17#define _DCDBAS_H_
18
19#include <linux/device.h>
20#include <linux/sysfs.h>
21#include <linux/types.h>
22
23#define MAX_SMI_DATA_BUF_SIZE (256 * 1024)
24
25#define HC_ACTION_NONE (0)
26#define HC_ACTION_HOST_CONTROL_POWEROFF BIT(1)
27#define HC_ACTION_HOST_CONTROL_POWERCYCLE BIT(2)
28
29#define HC_SMITYPE_NONE (0)
30#define HC_SMITYPE_TYPE1 (1)
31#define HC_SMITYPE_TYPE2 (2)
32#define HC_SMITYPE_TYPE3 (3)
33
34#define ESM_APM_CMD (0x0A0)
35#define ESM_APM_POWER_CYCLE (0x10)
36#define ESM_STATUS_CMD_UNSUCCESSFUL (-1)
37
38#define CMOS_BASE_PORT (0x070)
39#define CMOS_PAGE1_INDEX_PORT (0)
40#define CMOS_PAGE1_DATA_PORT (1)
41#define CMOS_PAGE2_INDEX_PORT_PIIX4 (2)
42#define CMOS_PAGE2_DATA_PORT_PIIX4 (3)
43#define PE1400_APM_CONTROL_PORT (0x0B0)
44#define PCAT_APM_CONTROL_PORT (0x0B2)
45#define PCAT_APM_STATUS_PORT (0x0B3)
46#define PE1300_CMOS_CMD_STRUCT_PTR (0x38)
47#define PE1400_CMOS_CMD_STRUCT_PTR (0x70)
48
49#define MAX_SYSMGMT_SHORTCMD_PARMBUF_LEN (14)
50#define MAX_SYSMGMT_LONGCMD_SGENTRY_NUM (16)
51
52#define TIMEOUT_USEC_SHORT_SEMA_BLOCKING (10000)
53#define EXPIRED_TIMER (0)
54
55#define SMI_CMD_MAGIC (0x534D4931)
56#define SMM_EPS_SIG "$SCB"
57
58#define DCDBAS_DEV_ATTR_RW(_name) \
59 DEVICE_ATTR(_name,0600,_name##_show,_name##_store);
60
61#define DCDBAS_DEV_ATTR_RO(_name) \
62 DEVICE_ATTR(_name,0400,_name##_show,NULL);
63
64#define DCDBAS_DEV_ATTR_WO(_name) \
65 DEVICE_ATTR(_name,0200,NULL,_name##_store);
66
67#define DCDBAS_BIN_ATTR_RW(_name) \
68struct bin_attribute bin_attr_##_name = { \
69 .attr = { .name = __stringify(_name), \
70 .mode = 0600 }, \
71 .read = _name##_read, \
72 .write = _name##_write, \
73}
74
75struct smi_cmd {
76 __u32 magic;
77 __u32 ebx;
78 __u32 ecx;
79 __u16 command_address;
80 __u8 command_code;
81 __u8 reserved;
82 __u8 command_buffer[1];
83} __attribute__ ((packed));
84
85struct apm_cmd {
86 __u8 command;
87 __s8 status;
88 __u16 reserved;
89 union {
90 struct {
91 __u8 parm[MAX_SYSMGMT_SHORTCMD_PARMBUF_LEN];
92 } __attribute__ ((packed)) shortreq;
93
94 struct {
95 __u16 num_sg_entries;
96 struct {
97 __u32 size;
98 __u64 addr;
99 } __attribute__ ((packed))
100 sglist[MAX_SYSMGMT_LONGCMD_SGENTRY_NUM];
101 } __attribute__ ((packed)) longreq;
102 } __attribute__ ((packed)) parameters;
103} __attribute__ ((packed));
104
105int dcdbas_smi_request(struct smi_cmd *smi_cmd);
106
107struct smm_eps_table {
108 char smm_comm_buff_anchor[4];
109 u8 length;
110 u8 checksum;
111 u8 version;
112 u64 smm_comm_buff_addr;
113 u64 num_of_4k_pages;
114} __packed;
115
116#endif /* _DCDBAS_H_ */
117