 3cab7fd964
			
		
	
	
	3cab7fd964
	
	
	
		
			
			The dcdbas code allows calls to be made into the firmware on Dell systems. Exporting this to other drivers allows them to implement Dell-specific functionality in a safe way. Signed-off-by: Matthew Garrett <mjg@redhat.com> Cc: Matt Domsch <Matt_Domsch@dell.com> Cc: Greg KH <greg@kroah.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
		
			
				
	
	
		
			107 lines
		
	
	
	
		
			2.8 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			107 lines
		
	
	
	
		
			2.8 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  *  dcdbas.h: Definitions for Dell Systems Management Base driver
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|  *
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|  *  Copyright (C) 1995-2005 Dell Inc.
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|  *
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|  *  This program is free software; you can redistribute it and/or modify
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|  *  it under the terms of the GNU General Public License v2.0 as published by
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|  *  the Free Software Foundation.
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|  *
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|  *  This program is distributed in the hope that it will be useful,
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|  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
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|  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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|  *  GNU General Public License for more details.
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|  */
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| 
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| #ifndef _DCDBAS_H_
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| #define _DCDBAS_H_
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| 
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| #include <linux/device.h>
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| #include <linux/sysfs.h>
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| #include <linux/types.h>
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| 
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| #define MAX_SMI_DATA_BUF_SIZE			(256 * 1024)
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| 
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| #define HC_ACTION_NONE				(0)
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| #define HC_ACTION_HOST_CONTROL_POWEROFF		BIT(1)
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| #define HC_ACTION_HOST_CONTROL_POWERCYCLE	BIT(2)
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| 
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| #define HC_SMITYPE_NONE				(0)
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| #define HC_SMITYPE_TYPE1			(1)
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| #define HC_SMITYPE_TYPE2			(2)
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| #define HC_SMITYPE_TYPE3			(3)
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| 
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| #define ESM_APM_CMD				(0x0A0)
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| #define ESM_APM_POWER_CYCLE			(0x10)
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| #define ESM_STATUS_CMD_UNSUCCESSFUL		(-1)
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| 
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| #define CMOS_BASE_PORT				(0x070)
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| #define CMOS_PAGE1_INDEX_PORT			(0)
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| #define CMOS_PAGE1_DATA_PORT			(1)
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| #define CMOS_PAGE2_INDEX_PORT_PIIX4		(2)
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| #define CMOS_PAGE2_DATA_PORT_PIIX4		(3)
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| #define PE1400_APM_CONTROL_PORT			(0x0B0)
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| #define PCAT_APM_CONTROL_PORT			(0x0B2)
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| #define PCAT_APM_STATUS_PORT			(0x0B3)
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| #define PE1300_CMOS_CMD_STRUCT_PTR		(0x38)
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| #define PE1400_CMOS_CMD_STRUCT_PTR		(0x70)
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| 
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| #define MAX_SYSMGMT_SHORTCMD_PARMBUF_LEN	(14)
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| #define MAX_SYSMGMT_LONGCMD_SGENTRY_NUM		(16)
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| 
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| #define TIMEOUT_USEC_SHORT_SEMA_BLOCKING	(10000)
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| #define EXPIRED_TIMER				(0)
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| 
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| #define SMI_CMD_MAGIC				(0x534D4931)
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| 
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| #define DCDBAS_DEV_ATTR_RW(_name) \
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| 	DEVICE_ATTR(_name,0600,_name##_show,_name##_store);
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| 
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| #define DCDBAS_DEV_ATTR_RO(_name) \
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| 	DEVICE_ATTR(_name,0400,_name##_show,NULL);
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| 
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| #define DCDBAS_DEV_ATTR_WO(_name) \
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| 	DEVICE_ATTR(_name,0200,NULL,_name##_store);
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| 
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| #define DCDBAS_BIN_ATTR_RW(_name) \
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| struct bin_attribute bin_attr_##_name = { \
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| 	.attr =  { .name = __stringify(_name), \
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| 		   .mode = 0600 }, \
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| 	.read =  _name##_read, \
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| 	.write = _name##_write, \
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| }
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| 
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| struct smi_cmd {
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| 	__u32 magic;
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| 	__u32 ebx;
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| 	__u32 ecx;
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| 	__u16 command_address;
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| 	__u8 command_code;
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| 	__u8 reserved;
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| 	__u8 command_buffer[1];
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| } __attribute__ ((packed));
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| 
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| struct apm_cmd {
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| 	__u8 command;
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| 	__s8 status;
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| 	__u16 reserved;
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| 	union {
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| 		struct {
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| 			__u8 parm[MAX_SYSMGMT_SHORTCMD_PARMBUF_LEN];
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| 		} __attribute__ ((packed)) shortreq;
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| 
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| 		struct {
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| 			__u16 num_sg_entries;
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| 			struct {
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| 				__u32 size;
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| 				__u64 addr;
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| 			} __attribute__ ((packed))
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| 			    sglist[MAX_SYSMGMT_LONGCMD_SGENTRY_NUM];
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| 		} __attribute__ ((packed)) longreq;
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| 	} __attribute__ ((packed)) parameters;
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| } __attribute__ ((packed));
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| 
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| int dcdbas_smi_request(struct smi_cmd *smi_cmd);
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| 
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| #endif /* _DCDBAS_H_ */
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| 
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