acrn-hypervisor/hypervisor/debug/hypercall.c

145 lines
3.6 KiB
C

/*
* Copyright (C) 2018 Intel Corporation. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <types.h>
#include <errno.h>
#include <profiling.h>
#include <sbuf.h>
#include <hypercall.h>
#include <npk_log.h>
#include <vm.h>
#include <logmsg.h>
#ifdef PROFILING_ON
/**
* @brief Execute profiling operation
*
* @param vm Pointer to VM data structure
* @param param1 profiling command to be executed
* @param param2 guest physical address. This gpa points to
* data structure required by each command
*
* @pre Pointer vm shall point to SOS_VM
* @return 0 on success, non-zero on error.
*/
int32_t hcall_profiling_ops(struct acrn_vm *vm, __unused struct acrn_vm *target_vm, uint64_t param1, uint64_t param2)
{
int32_t ret;
uint64_t cmd = param1;
switch (cmd) {
case PROFILING_MSR_OPS:
ret = profiling_msr_ops_all_cpus(vm, param2);
break;
case PROFILING_GET_VMINFO:
ret = profiling_vm_list_info(vm, param2);
break;
case PROFILING_GET_VERSION:
ret = profiling_get_version_info(vm, param2);
break;
case PROFILING_GET_CONTROL_SWITCH:
ret = profiling_get_control(vm, param2);
break;
case PROFILING_SET_CONTROL_SWITCH:
ret = profiling_set_control(vm, param2);
break;
case PROFILING_CONFIG_PMI:
ret = profiling_configure_pmi(vm, param2);
break;
case PROFILING_CONFIG_VMSWITCH:
ret = profiling_configure_vmsw(vm, param2);
break;
case PROFILING_GET_PCPUID:
ret = profiling_get_pcpu_id(vm, param2);
break;
case PROFILING_GET_STATUS:
ret = profiling_get_status_info(vm, param2);
break;
default:
pr_err("%s: invalid profiling command %lu\n", __func__, cmd);
ret = -1;
break;
}
return ret;
}
#endif /* PROFILING_ON */
/**
* @brief Setup a share buffer for a VM.
*
* @param vm Pointer to VM data structure
* @param param1 guest physical address. This gpa points to
* struct sbuf_setup_param
*
* @pre Pointer vm shall point to SOS_VM
* @return 0 on success, non-zero on error.
*/
int32_t hcall_setup_sbuf(struct acrn_vm *vm, __unused struct acrn_vm *target_vm,
uint64_t param1, __unused uint64_t param2)
{
struct sbuf_setup_param ssp;
uint64_t *hva;
if (copy_from_gpa(vm, &ssp, param1, sizeof(ssp)) != 0) {
return -1;
}
if (ssp.gpa != 0U) {
hva = (uint64_t *)gpa2hva(vm, ssp.gpa);
} else {
hva = (uint64_t *)NULL;
}
return sbuf_share_setup(ssp.pcpu_id, ssp.sbuf_id, hva);
}
/**
* @brief Setup the hypervisor NPK log.
*
* @param vm Pointer to VM data structure
* @param param1 guest physical address. This gpa points to
* struct hv_npk_log_param
*
* @pre Pointer vm shall point to SOS_VM
* @return 0 on success, non-zero on error.
*/
int32_t hcall_setup_hv_npk_log(struct acrn_vm *vm, __unused struct acrn_vm *target_vm,
uint64_t param1, __unused uint64_t param2)
{
struct hv_npk_log_param npk_param;
if (copy_from_gpa(vm, &npk_param, param1, sizeof(npk_param)) != 0) {
return -1;
}
npk_log_setup(&npk_param);
return copy_to_gpa(vm, &npk_param, param1, sizeof(npk_param));
}
/**
* @brief Get hardware related info
*
* @param vm Pointer to vm data structure
* @param param Guest physical address pointing to struct acrn_hw_info
*
* @pre vm shall point to SOS_VM
* @pre param1 shall be a valid physical address
*
* @retval 0 on success
* @retval -1 in case of error
*/
int32_t hcall_get_hw_info(struct acrn_vm *vm, __unused struct acrn_vm *target_vm,
uint64_t param1, __unused uint64_t param2)
{
struct acrn_hw_info hw_info;
(void)memset((void *)&hw_info, 0U, sizeof(hw_info));
hw_info.cpu_num = get_pcpu_nums();
return copy_to_gpa(vm, &hw_info, param1, sizeof(hw_info));
}