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/* $OpenBSD: pvvar.h,v 1.7 2016/01/27 09:04:19 reyk Exp $ */
/*
* Copyright (c) 2015 Reyk Floeter <reyk@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef _DEV_PV_PVVAR_H_
#define _DEV_PV_PVVAR_H_
struct pvbus_req {
size_t pvr_keylen;
char *pvr_key;
size_t pvr_valuelen;
char *pvr_value;
};
#define PVBUSIOC_KVREAD _IOWR('V', 1, struct pvbus_req)
#define PVBUSIOC_KVWRITE _IOWR('V', 2, struct pvbus_req)
#define PVBUSIOC_TYPE _IOWR('V', 3, struct pvbus_req)
#ifdef _KERNEL
enum {
PVBUS_KVM,
PVBUS_HYPERV,
PVBUS_VMWARE,
PVBUS_XEN,
PVBUS_BHYVE,
PVBUS_OPENBSD,
PVBUS_MAX
};
enum {
PVBUS_KVREAD,
PVBUS_KVWRITE,
PVBUS_KVLS
};
struct pvbus_hv {
uint32_t hv_base;
uint32_t hv_features;
uint16_t hv_major;
uint16_t hv_minor;
void *hv_arg;
int (*hv_kvop)(void *, int, char *, char *, size_t);
};
struct pvbus_softc {
struct device pvbus_dev;
struct pvbus_hv *pvbus_hv;
};
struct pvbus_attach_args {
const char *pvba_busname;
};
struct pv_attach_args {
const char *pva_busname;
struct pvbus_hv *pva_hv;
};
void pvbus_identify(void);
int pvbus_probe(void);
#endif /* _KERNEL */
#endif /* _DEV_PV_PVBUS_H_ */
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