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hv: add a hypercall for the hypervisor NPK log

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The hypercall HC_SETUP_HV_NPK_LOG is added to enable/disable/configure
the hypervisor NPK log.

Signed-off-by: Zhi Jin <zhi.jin@intel.com>
Signed-off-by: Zhonghua Sun <zhonghua.sun@intel.com>
Reviewed-by: CHEN Gang <gang.c.chen@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
Zhi Jin
2018-08-01 10:54:23 +08:00
committed by wenlingz
parent f4eef9710d
commit dcae438306
6 changed files with 79 additions and 0 deletions
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28
hypervisor/common/hypercall.c
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@@ -821,6 +821,34 @@ int32_t hcall_setup_sbuf(__unused struct vm *vm, __unused uint64_t param)
}
#endif
#ifdef HV_DEBUG
int32_t hcall_setup_hv_npk_log(struct vm *vm, uint64_t param)
{
struct hv_npk_log_param npk_param;
memset((void *)&npk_param, 0, sizeof(npk_param));
if (copy_from_gpa(vm, &npk_param, param, sizeof(npk_param)) != 0) {
pr_err("%s: Unable copy param from vm\n", __func__);
return -1;
}
npk_log_setup(&npk_param);
if (copy_to_gpa(vm, &npk_param, param, sizeof(npk_param)) != 0) {
pr_err("%s: Unable copy param to vm\n", __func__);
return -1;
}
return 0;
}
#else
int32_t hcall_setup_hv_npk_log(__unused struct vm *vm, __unused uint64_t param)
{
return -ENODEV;
}
#endif
int32_t hcall_get_cpu_pm_state(struct vm *vm, uint64_t cmd, uint64_t param)
{
uint16_t target_vm_id;