diff options
| author | nonaka <nonaka@NetBSD.org> | 2019-02-15 08:54:01 +0000 |
|---|---|---|
| committer | nonaka <nonaka@NetBSD.org> | 2019-02-15 08:54:01 +0000 |
| commit | afdb7e40e269f2837fdd19c847e29c394199cd11 (patch) | |
| tree | 6d8a68607667098c5299591fa91e81eefb53fb49 /sys/dev/hyperv/hypervvar.h | |
| parent | c8caf74aa9cfde718d636a3806ea428be4fb1391 (diff) | |
Added Microsoft Hyper-V support. It ported from OpenBSD and FreeBSD.
graphical console is not work on Gen.2 VM yet. To use the serial console,
enter "consdev com,0x3f8,115200" on efiboot.
Diffstat (limited to 'sys/dev/hyperv/hypervvar.h')
| -rw-r--r-- | sys/dev/hyperv/hypervvar.h | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/sys/dev/hyperv/hypervvar.h b/sys/dev/hyperv/hypervvar.h new file mode 100644 index 00000000000..b5657dda91e --- /dev/null +++ b/sys/dev/hyperv/hypervvar.h @@ -0,0 +1,115 @@ +/* $NetBSD: hypervvar.h,v 1.1 2019/02/15 08:54:01 nonaka Exp $ */ + +/*- + * SPDX-License-Identifier: BSD-2-Clause-FreeBSD + * + * Copyright (c) 2009-2012,2016-2017 Microsoft Corp. + * Copyright (c) 2012 NetApp Inc. + * Copyright (c) 2012 Citrix Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice unmodified, this list of conditions, and the following + * disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * $FreeBSD: head/sys/dev/hyperv/include/hyperv.h 326255 2017-11-27 14:52:40Z pfg $ + */ + +#ifndef _HYPERVVAR_H_ +#define _HYPERVVAR_H_ + +#if defined(_KERNEL) + +#include <sys/bus.h> +#include <sys/timex.h> + +#define HYPERV_TIMER_NS_FACTOR 100ULL +#define HYPERV_TIMER_FREQ (NANOSECOND / HYPERV_TIMER_NS_FACTOR) + +#endif /* _KERNEL */ + +/* + * Hyper-V Reference TSC + */ +struct hyperv_reftsc { + volatile uint32_t tsc_seq; + volatile uint32_t tsc_rsvd1; + volatile uint64_t tsc_scale; + volatile int64_t tsc_ofs; +} __packed __aligned(PAGE_SIZE); +#ifdef __CTASSERT +__CTASSERT(sizeof(struct hyperv_reftsc) == PAGE_SIZE); +#endif + +#if defined(_KERNEL) + +int hyperv_hypercall_enabled(void); +int hyperv_synic_supported(void); +void hyperv_send_eom(void); +void hyperv_intr(void); + +struct vmbus_softc; +void vmbus_init_interrupts_md(struct vmbus_softc *); +void vmbus_deinit_interrupts_md(struct vmbus_softc *); +void vmbus_init_synic_md(struct vmbus_softc *, cpuid_t); +void vmbus_deinit_synic_md(struct vmbus_softc *, cpuid_t); + +#define HYPERV_GUID_STRLEN 40 +struct hyperv_guid; +int hyperv_guid2str(const struct hyperv_guid *, char *, size_t); + +/* + * hyperv_tc64 could be NULL, if there were no suitable Hyper-V + * specific timecounter. + */ +typedef uint64_t (*hyperv_tc64_t)(void); +extern hyperv_tc64_t hyperv_tc64; + +uint64_t hyperv_hypercall(uint64_t, paddr_t, paddr_t); +uint64_t hyperv_hypercall_post_message(paddr_t); +uint64_t hyperv_hypercall_signal_event(paddr_t); + +typedef void (*hyperv_proc_t)(void *, struct cpu_info *); +void hyperv_set_event_proc(hyperv_proc_t, void *); +void hyperv_set_message_proc(hyperv_proc_t, void *); + +/* + * Hyper-V bus_dma utilities. + */ +struct hyperv_dma { + bus_dmamap_t map; + bus_dma_segment_t *segs; + void *addr; + int nsegs; +}; + +static __inline bus_addr_t +hyperv_dma_get_paddr(struct hyperv_dma *dma) +{ + return dma->map->dm_segs[0].ds_addr; +} + +void *hyperv_dma_alloc(bus_dma_tag_t, struct hyperv_dma *, bus_size_t, + bus_size_t, bus_size_t, int); +void hyperv_dma_free(bus_dma_tag_t, struct hyperv_dma *); + +#endif /* _KERNEL */ + +#endif /* _HYPERVVAR_H_ */ |
