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https://github.com/projectacrn/acrn-hypervisor.git
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f13d5c25b6
We could add MMIO device pass through by two ways: a) If the MMIO device only has MMIO regions and no ACPI Table touched, using "--mmiodev_pt MMIO_regions", b) If the MMIO device touches ACPI Table, using "--acpidev_pt HID" Now only support TPM2 MSFT0101 MMIO device pass through through launch script using "--acpidev_pt MSFT0101". When we want to pass through the TPM2 deivce, we would not allow to emulate the vTPM2 at the same time. This is becuase the ACRN-DM emulate the TPM2 as MSFT0101 too. Otherwise, the VM can't boot. Besides, we could only support one TPM2 device PT and one MMIO device PT. For TPM2 device PT, the MMIO resources are hard-coded. For the MMIO device PT, we could pass through the MMIO resources on the cmdline. ToDo: 1. We may use HID to discover the MMIO regions and ACPI Table instaed of hard-coded. 2. To identify a MMIO device only by MMIO regions. 3. To allocate virtual MMIO regions in a reserved guest MMIO regions. Tracked-On: #5053 Signed-off-by: Li Fei1 <fei1.li@intel.com>
72 lines
2.4 KiB
C
72 lines
2.4 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 _DM_H_
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#define _DM_H_
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#include <stdbool.h>
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#include "types.h"
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#include "vmm.h"
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#include "dm_string.h"
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#define MAX_VMNAME_LEN 128U
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struct vmctx;
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extern char *guest_uuid_str;
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extern uint8_t trusty_enabled;
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extern char *vsbl_file_name;
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extern char *ovmf_file_name;
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extern char *kernel_file_name;
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extern char *elf_file_name;
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extern char *vmname;
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extern bool stdio_in_use;
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extern char *mac_seed;
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extern bool lapic_pt;
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extern bool is_rtvm;
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extern bool pt_tpm2;
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extern bool is_winvm;
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int vmexit_task_switch(struct vmctx *ctx, struct vhm_request *vhm_req,
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int *vcpu);
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/**
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* @brief Convert guest physical address to host virtual address
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*
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* @param ctx Pointer to to struct vmctx representing VM context.
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* @param gaddr Guest physical address base.
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* @param len Guest physical address length.
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*
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* @return NULL on convert failed and host virtual address on successful.
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*/
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void *paddr_guest2host(struct vmctx *ctx, uintptr_t gaddr, size_t len);
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int virtio_uses_msix(void);
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size_t high_bios_size(void);
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void init_debugexit(void);
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void deinit_debugexit(void);
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#endif
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