1 /*
2 * Copyright (C) 2018-2022 Intel Corporation.
3 *
4 * SPDX-License-Identifier: BSD-3-Clause
5 */
6
7 #include <types.h>
8 #include <errno.h>
9 #include <profiling.h>
10 #include <sbuf.h>
11 #include <hypercall.h>
12 #include <npk_log.h>
13 #include <asm/guest/vm.h>
14 #include <logmsg.h>
15
16 #ifdef PROFILING_ON
17 /**
18 * @brief Execute profiling operation
19 *
20 * @param vcpu Pointer to vCPU that initiates the hypercall
21 * @param param1 profiling command to be executed
22 * @param param2 guest physical address. This gpa points to
23 * data structure required by each command
24 *
25 * @pre is_service_vm(vcpu->vm)
26 * @return 0 on success, non-zero on error.
27 */
hcall_profiling_ops(struct acrn_vcpu * vcpu,__unused struct acrn_vm * target_vm,uint64_t param1,uint64_t param2)28 int32_t hcall_profiling_ops(struct acrn_vcpu *vcpu, __unused struct acrn_vm *target_vm,
29 uint64_t param1, uint64_t param2)
30 {
31 struct acrn_vm *vm = vcpu->vm;
32 int32_t ret;
33 uint64_t cmd = param1;
34
35 switch (cmd) {
36 case PROFILING_MSR_OPS:
37 ret = profiling_msr_ops_all_cpus(vm, param2);
38 break;
39 case PROFILING_GET_VMINFO:
40 ret = profiling_vm_list_info(vm, param2);
41 break;
42 case PROFILING_GET_VERSION:
43 ret = profiling_get_version_info(vm, param2);
44 break;
45 case PROFILING_GET_CONTROL_SWITCH:
46 ret = profiling_get_control(vm, param2);
47 break;
48 case PROFILING_SET_CONTROL_SWITCH:
49 ret = profiling_set_control(vm, param2);
50 break;
51 case PROFILING_CONFIG_PMI:
52 ret = profiling_configure_pmi(vm, param2);
53 break;
54 case PROFILING_CONFIG_VMSWITCH:
55 ret = profiling_configure_vmsw(vm, param2);
56 break;
57 case PROFILING_GET_PCPUID:
58 ret = profiling_get_pcpu_id(vm, param2);
59 break;
60 case PROFILING_GET_STATUS:
61 ret = profiling_get_status_info(vm, param2);
62 break;
63 default:
64 pr_err("%s: invalid profiling command %lu\n", __func__, cmd);
65 ret = -1;
66 break;
67 }
68 return ret;
69 }
70 #endif /* PROFILING_ON */
71
72 /**
73 * @brief Setup the hypervisor NPK log.
74 *
75 * @param vcpu Pointer to vCPU that initiates the hypercall
76 * @param param1 guest physical address. This gpa points to
77 * struct hv_npk_log_param
78 *
79 * @pre is_service_vm(vcpu->vm)
80 * @return 0 on success, non-zero on error.
81 */
hcall_setup_hv_npk_log(struct acrn_vcpu * vcpu,__unused struct acrn_vm * target_vm,uint64_t param1,__unused uint64_t param2)82 int32_t hcall_setup_hv_npk_log(struct acrn_vcpu *vcpu, __unused struct acrn_vm *target_vm,
83 uint64_t param1, __unused uint64_t param2)
84 {
85 struct acrn_vm *vm = vcpu->vm;
86 struct hv_npk_log_param npk_param;
87
88 if (copy_from_gpa(vm, &npk_param, param1, sizeof(npk_param)) != 0) {
89 return -1;
90 }
91
92 npk_log_setup(&npk_param);
93
94 return copy_to_gpa(vm, &npk_param, param1, sizeof(npk_param));
95 }
96
97 /**
98 * @brief Get hardware related info
99 *
100 * @param vcpu Pointer to vCPU that initiates the hypercall
101 * @param param1 Guest physical address pointing to struct acrn_hw_info
102 *
103 * @pre is_service_vm(vcpu->vm)
104 * @pre param1 shall be a valid physical address
105 *
106 * @retval 0 on success
107 * @retval -1 in case of error
108 */
hcall_get_hw_info(struct acrn_vcpu * vcpu,__unused struct acrn_vm * target_vm,uint64_t param1,__unused uint64_t param2)109 int32_t hcall_get_hw_info(struct acrn_vcpu *vcpu, __unused struct acrn_vm *target_vm,
110 uint64_t param1, __unused uint64_t param2)
111 {
112 struct acrn_hw_info hw_info;
113
114 (void)memset((void *)&hw_info, 0U, sizeof(hw_info));
115
116 hw_info.cpu_num = get_pcpu_nums();
117 return copy_to_gpa(vcpu->vm, &hw_info, param1, sizeof(hw_info));
118 }
119