366f60834f
vmm.ko - kernel module for VT-x, VT-d and hypervisor control bhyve - user-space sequencer and i/o emulation vmmctl - dump of hypervisor register state libvmm - front-end to vmm.ko chardev interface bhyve was designed and implemented by Neel Natu. Thanks to the following folk from NetApp who helped to make this available: Joe CaraDonna Peter Snyder Jeff Heller Sandeep Mann Steve Miller Brian Pawlowski
85 lines
2.5 KiB
C
85 lines
2.5 KiB
C
/*-
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* Copyright (c) 2011 NetApp, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY NETAPP, INC ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL NETAPP, INC OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _VDEV_H_
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#define _VDEV_H_
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typedef enum {
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BYTE = 1,
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WORD = 2,
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DWORD = 4,
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QWORD = 8,
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} opsize_t;
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typedef enum {
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MMIO_READ = 1,
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MMIO_WRITE = 2,
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} region_attr_t;
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struct io_region {
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uint64_t base;
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uint64_t len;
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region_attr_t attr;
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int vcpu;
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};
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typedef int (*vdev_init_t)(void* dev);
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typedef int (*vdev_reset_t)(void* dev);
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typedef int (*vdev_halt_t)(void* dev);
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typedef int (*vdev_memread_t)(void* dev, uint64_t gpa, opsize_t size, uint64_t *data);
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typedef int (*vdev_memwrite_t)(void* dev, uint64_t gpa, opsize_t size, uint64_t data);
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struct vdev_ops {
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const char *name;
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vdev_init_t init;
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vdev_reset_t reset;
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vdev_halt_t halt;
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vdev_memread_t memread;
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vdev_memwrite_t memwrite;
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};
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void vdev_vm_init(void);
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void vdev_vm_cleanup(void);
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int vdev_register(struct vdev_ops *ops, void *dev);
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void vdev_unregister(void *dev);
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int vdev_register_region(struct vdev_ops *ops, void *dev, struct io_region *io);
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void vdev_unregister_region(void *dev, struct io_region *io);
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int vdev_init(void);
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int vdev_reset(void);
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int vdev_halt(void);
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int vdev_memread(uint64_t gpa, opsize_t size, uint64_t *data);
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int vdev_memwrite(uint64_t gpa, opsize_t size, uint64_t data);
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#endif /* _VDEV_H_ */
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