157 lines
4.3 KiB
C
157 lines
4.3 KiB
C
/*
|
|
* Copyright (C) 2018 Intel Corporation. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* * Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* * 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.
|
|
* * Neither the name of Intel Corporation nor the names of its
|
|
* contributors may be used to endorse or promote products derived
|
|
* from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "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 COPYRIGHT
|
|
* OWNER OR CONTRIBUTORS 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.
|
|
*/
|
|
|
|
#include <hv_lib.h>
|
|
#include <acrn_common.h>
|
|
#include <hv_arch.h>
|
|
#include <hv_debug.h>
|
|
#include <acrn_hv_defs.h>
|
|
#include <hypercall.h>
|
|
|
|
int vmcall_handler(struct vcpu *vcpu)
|
|
{
|
|
int64_t ret = 0;
|
|
struct vm *vm = vcpu->vm;
|
|
struct run_context *cur_context =
|
|
&vcpu->arch_vcpu.contexts[vcpu->arch_vcpu.cur_context];
|
|
/* hypercall ID from guest*/
|
|
uint64_t hypcall_id = cur_context->guest_cpu_regs.regs.r8;
|
|
/* hypercall param1 from guest*/
|
|
uint64_t param1 = cur_context->guest_cpu_regs.regs.rdi;
|
|
/* hypercall param2 from guest*/
|
|
uint64_t param2 = cur_context->guest_cpu_regs.regs.rsi;
|
|
/* hypercall param3 from guest, reserved*/
|
|
/* uint64_t param3 = cur_context->guest_cpu_regs.regs.rdx; */
|
|
/* hypercall param4 from guest, reserved*/
|
|
/* uint64_t param4 = cur_context->guest_cpu_regs.regs.rcx; */
|
|
|
|
/* Dispatch the hypercall handler */
|
|
switch (hypcall_id) {
|
|
case HC_GET_API_VERSION:
|
|
ret = hcall_get_api_version(vm, param1);
|
|
break;
|
|
|
|
case HC_CREATE_VM:
|
|
ret = hcall_create_vm(vm, param1);
|
|
break;
|
|
|
|
case HC_DESTROY_VM:
|
|
ret = hcall_destroy_vm(param1);
|
|
break;
|
|
|
|
case HC_START_VM:
|
|
ret = hcall_resume_vm(param1);
|
|
break;
|
|
|
|
case HC_PAUSE_VM:
|
|
ret = hcall_pause_vm(param1);
|
|
break;
|
|
|
|
case HC_CREATE_VCPU:
|
|
ret = hcall_create_vcpu(vm, param1, param2);
|
|
break;
|
|
|
|
case HC_ASSERT_IRQLINE:
|
|
ret = hcall_assert_irqline(vm, param1, param2);
|
|
break;
|
|
|
|
case HC_DEASSERT_IRQLINE:
|
|
ret = hcall_deassert_irqline(vm, param1, param2);
|
|
break;
|
|
|
|
case HC_PULSE_IRQLINE:
|
|
ret = hcall_pulse_irqline(vm, param1, param2);
|
|
break;
|
|
|
|
case HC_INJECT_MSI:
|
|
ret = hcall_inject_msi(vm, param1, param2);
|
|
break;
|
|
|
|
case HC_SET_IOREQ_BUFFER:
|
|
ret = hcall_set_ioreq_buffer(vm, param1, param2);
|
|
break;
|
|
|
|
case HC_NOTIFY_REQUEST_FINISH:
|
|
ret = hcall_notify_req_finish(param1, param2);
|
|
break;
|
|
|
|
case HC_VM_SET_MEMMAP:
|
|
ret = hcall_set_vm_memmap(vm, param1, param2);
|
|
break;
|
|
|
|
case HC_VM_PCI_MSIX_REMAP:
|
|
ret = hcall_remap_pci_msix(vm, param1, param2);
|
|
break;
|
|
|
|
case HC_VM_GPA2HPA:
|
|
ret = hcall_gpa_to_hpa(vm, param1, param2);
|
|
break;
|
|
|
|
case HC_ASSIGN_PTDEV:
|
|
ret = hcall_assign_ptdev(vm, param1, param2);
|
|
break;
|
|
|
|
case HC_DEASSIGN_PTDEV:
|
|
ret = hcall_deassign_ptdev(vm, param1, param2);
|
|
break;
|
|
|
|
case HC_SET_PTDEV_INTR_INFO:
|
|
ret = hcall_set_ptdev_intr_info(vm, param1, param2);
|
|
break;
|
|
|
|
case HC_RESET_PTDEV_INTR_INFO:
|
|
ret = hcall_reset_ptdev_intr_info(vm, param1, param2);
|
|
break;
|
|
|
|
case HC_SETUP_SBUF:
|
|
ret = hcall_setup_sbuf(vm, param1);
|
|
break;
|
|
|
|
case HC_WORLD_SWITCH:
|
|
ret = hcall_world_switch(vcpu);
|
|
break;
|
|
|
|
case HC_INITIALIZE_TRUSTY:
|
|
ret = hcall_initialize_trusty(vcpu, param1);
|
|
break;
|
|
|
|
default:
|
|
pr_err("op %d: Invalid hypercall\n", hypcall_id);
|
|
ret = -1;
|
|
break;
|
|
}
|
|
|
|
cur_context->guest_cpu_regs.regs.rax = ret;
|
|
|
|
TRACE_2L(TRC_VMEXIT_VMCALL, vm->attr.id, hypcall_id);
|
|
|
|
return 0;
|
|
}
|