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 57#define DCDBAS_DEV_ATTR_RW(_name) \ 58 DEVICE_ATTR(_name,0600,_name##_show,_name##_store); 59 60#define DCDBAS_DEV_ATTR_RO(_name) \ 61 DEVICE_ATTR(_name,0400,_name##_show,NULL); 62 63#define DCDBAS_DEV_ATTR_WO(_name) \ 64 DEVICE_ATTR(_name,0200,NULL,_name##_store); 65 66#define DCDBAS_BIN_ATTR_RW(_name) \ 67struct bin_attribute bin_attr_##_name = { \ 68 .attr = { .name = __stringify(_name), \ 69 .mode = 0600 }, \ 70 .read = _name##_read, \ 71 .write = _name##_write, \ 72} 73 74struct smi_cmd { 75 __u32 magic; 76 __u32 ebx; 77 __u32 ecx; 78 __u16 command_address; 79 __u8 command_code; 80 __u8 reserved; 81 __u8 command_buffer[1]; 82} __attribute__ ((packed)); 83 84struct apm_cmd { 85 __u8 command; 86 __s8 status; 87 __u16 reserved; 88 union { 89 struct { 90 __u8 parm[MAX_SYSMGMT_SHORTCMD_PARMBUF_LEN]; 91 } __attribute__ ((packed)) shortreq; 92 93 struct { 94 __u16 num_sg_entries; 95 struct { 96 __u32 size; 97 __u64 addr; 98 } __attribute__ ((packed)) 99 sglist[MAX_SYSMGMT_LONGCMD_SGENTRY_NUM]; 100 } __attribute__ ((packed)) longreq; 101 } __attribute__ ((packed)) parameters; 102} __attribute__ ((packed)); 103 104int dcdbas_smi_request(struct smi_cmd *smi_cmd); 105 106#endif /* _DCDBAS_H_ */ 107