xref: /linux/drivers/char/ipmi/kcs_bmc.h (revision 762f99f4f3cb41a775b5157dd761217beba65873)
13b6d082fSHaiyue Wang /* SPDX-License-Identifier: GPL-2.0 */
23b6d082fSHaiyue Wang /*
33b6d082fSHaiyue Wang  * Copyright (c) 2015-2018, Intel Corporation.
43b6d082fSHaiyue Wang  */
520d60f61SHaiyue Wang 
620d60f61SHaiyue Wang #ifndef __KCS_BMC_H__
720d60f61SHaiyue Wang #define __KCS_BMC_H__
820d60f61SHaiyue Wang 
9d4e7ac68SAndrew Jeffery #include <linux/list.h>
10faae6e39SAndrew Jeffery 
11*28651e6cSAndrew Jeffery #define KCS_BMC_EVENT_TYPE_OBE	BIT(0)
12*28651e6cSAndrew Jeffery #define KCS_BMC_EVENT_TYPE_IBF	BIT(1)
13*28651e6cSAndrew Jeffery 
14faae6e39SAndrew Jeffery #define KCS_BMC_STR_OBF		BIT(0)
15faae6e39SAndrew Jeffery #define KCS_BMC_STR_IBF		BIT(1)
16faae6e39SAndrew Jeffery #define KCS_BMC_STR_CMD_DAT	BIT(3)
17faae6e39SAndrew Jeffery 
1820d60f61SHaiyue Wang /* IPMI 2.0 - 9.5, KCS Interface Registers
1920d60f61SHaiyue Wang  * @idr: Input Data Register
2020d60f61SHaiyue Wang  * @odr: Output Data Register
2120d60f61SHaiyue Wang  * @str: Status Register
2220d60f61SHaiyue Wang  */
2320d60f61SHaiyue Wang struct kcs_ioreg {
2420d60f61SHaiyue Wang 	u32 idr;
2520d60f61SHaiyue Wang 	u32 odr;
2620d60f61SHaiyue Wang 	u32 str;
2720d60f61SHaiyue Wang };
2820d60f61SHaiyue Wang 
29faae6e39SAndrew Jeffery struct kcs_bmc_device_ops;
30d4e7ac68SAndrew Jeffery struct kcs_bmc_client;
31faae6e39SAndrew Jeffery 
32d4e7ac68SAndrew Jeffery struct kcs_bmc_device {
33d4e7ac68SAndrew Jeffery 	struct list_head entry;
34d4e7ac68SAndrew Jeffery 
35d7096970SAndrew Jeffery 	struct device *dev;
3620d60f61SHaiyue Wang 	u32 channel;
3720d60f61SHaiyue Wang 
3820d60f61SHaiyue Wang 	struct kcs_ioreg ioreg;
3920d60f61SHaiyue Wang 
40d4e7ac68SAndrew Jeffery 	const struct kcs_bmc_device_ops *ops;
4120d60f61SHaiyue Wang 
42d4e7ac68SAndrew Jeffery 	spinlock_t lock;
43d4e7ac68SAndrew Jeffery 	struct kcs_bmc_client *client;
4420d60f61SHaiyue Wang };
45d4e7ac68SAndrew Jeffery 
463b6d082fSHaiyue Wang #endif /* __KCS_BMC_H__ */
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