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refine hypercall

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-- use an array to fast locate the hypercall handler
   to replace switch case.
-- uniform hypercall handler as below:
   int32_t (*handler)(sos_vm, target_vm, param1, param2)

Tracked-On: #4958
Signed-off-by: Mingqiang Chi <mingqiang.chi@intel.com>
Reviewed-by: Jason Chen CJ <jason.cj.chen@intel.com>
Reviewed-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
Mingqiang Chi 2020-08-13 17:34:06 +08:00 committed by wenlingz
parent 7935354864
commit 53b11d1048
8 changed files with 510 additions and 516 deletions
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5
hypervisor/arch/x86/guest/vm.c
View File

@ -93,10 +93,7 @@ bool is_postlaunched_vm(const struct acrn_vm *vm)
return (get_vm_config(vm->vm_id)->load_order == POST_LAUNCHED_VM);
}
bool is_valid_postlaunched_vmid(uint16_t vm_id)
{
return ((vm_id < CONFIG_MAX_VM_NUM) && is_postlaunched_vm(get_vm_from_vmid(vm_id)));
}
/**
* @pre vm != NULL
* @pre vm->vmid < CONFIG_MAX_VM_NUM

310
hypervisor/arch/x86/guest/vmcall.c
View File

@ -14,195 +14,152 @@
#include <trace.h>
#include <logmsg.h>
static int32_t dispatch_sos_hypercall(const struct acrn_vcpu *vcpu)
struct hc_dispatch {
/* handler(struct acrn_vm *sos_vm, struct acrn_vm *target_vm, uint64_t param1, uint64_t param2) */
int32_t (*handler)(struct acrn_vm *, struct acrn_vm *, uint64_t, uint64_t);
};
/* VM Dispatch table for Exit condition handling */
static const struct hc_dispatch hc_dispatch_table[] = {
[HC_IDX(HC_GET_API_VERSION)] = {
.handler = hcall_get_api_version},
[HC_IDX(HC_SOS_OFFLINE_CPU)] = {
.handler = hcall_sos_offline_cpu},
[HC_IDX(HC_SET_CALLBACK_VECTOR)] = {
.handler = hcall_set_callback_vector},
[HC_IDX(HC_GET_PLATFORM_INFO)] = {
.handler = hcall_get_platform_info},
[HC_IDX(HC_CREATE_VM)] = {
.handler = hcall_create_vm},
[HC_IDX(HC_DESTROY_VM)] = {
.handler = hcall_destroy_vm},
[HC_IDX(HC_START_VM)] = {
.handler = hcall_start_vm},
[HC_IDX(HC_RESET_VM)] = {
.handler = hcall_reset_vm},
[HC_IDX(HC_PAUSE_VM)] = {
.handler = hcall_pause_vm},
[HC_IDX(HC_SET_VCPU_REGS)] = {
.handler = hcall_set_vcpu_regs},
[HC_IDX(HC_CREATE_VCPU)] = {
.handler = hcall_create_vcpu},
[HC_IDX(HC_SET_IRQLINE)] = {
.handler = hcall_set_irqline},
[HC_IDX(HC_INJECT_MSI)] = {
.handler = hcall_inject_msi},
[HC_IDX(HC_SET_IOREQ_BUFFER)] = {
.handler = hcall_set_ioreq_buffer},
[HC_IDX(HC_NOTIFY_REQUEST_FINISH)] = {
.handler = hcall_notify_ioreq_finish},
[HC_IDX(HC_VM_SET_MEMORY_REGIONS)] = {
.handler = hcall_set_vm_memory_regions},
[HC_IDX(HC_VM_WRITE_PROTECT_PAGE)] = {
.handler = hcall_write_protect_page},
[HC_IDX(HC_VM_GPA2HPA)] = {
.handler = hcall_gpa_to_hpa},
[HC_IDX(HC_ASSIGN_PCIDEV)] = {
.handler = hcall_assign_pcidev},
[HC_IDX(HC_DEASSIGN_PCIDEV)] = {
.handler = hcall_deassign_pcidev},
[HC_IDX(HC_ASSIGN_MMIODEV)] = {
.handler = hcall_assign_mmiodev},
[HC_IDX(HC_DEASSIGN_MMIODEV)] = {
.handler = hcall_deassign_mmiodev},
[HC_IDX(HC_SET_PTDEV_INTR_INFO)] = {
.handler = hcall_set_ptdev_intr_info},
[HC_IDX(HC_RESET_PTDEV_INTR_INFO)] = {
.handler = hcall_reset_ptdev_intr_info},
[HC_IDX(HC_PM_GET_CPU_STATE)] = {
.handler = hcall_get_cpu_pm_state},
[HC_IDX(HC_VM_INTR_MONITOR)] = {
.handler = hcall_vm_intr_monitor},
[HC_IDX(HC_SETUP_SBUF)] = {
.handler = hcall_setup_sbuf},
[HC_IDX(HC_SETUP_HV_NPK_LOG)] = {
.handler = hcall_setup_hv_npk_log},
[HC_IDX(HC_PROFILING_OPS)] = {
.handler = hcall_profiling_ops},
[HC_IDX(HC_GET_HW_INFO)] = {
.handler = hcall_get_hw_info}
};
struct acrn_vm *parse_target_vm(struct acrn_vm *sos_vm, uint64_t hcall_id, uint64_t param1, __unused uint64_t param2)
{
struct acrn_vm *sos_vm = vcpu->vm;
/* hypercall ID from guest*/
uint64_t hypcall_id = vcpu_get_gpreg(vcpu, CPU_REG_R8);
/* hypercall param1 from guest*/
uint64_t param1 = vcpu_get_gpreg(vcpu, CPU_REG_RDI);
/* hypercall param2 from guest*/
uint64_t param2 = vcpu_get_gpreg(vcpu, CPU_REG_RSI);
/* hypercall param1 is a relative vm id from SOS view */
uint16_t relative_vm_id = (uint16_t)param1;
uint16_t vm_id = rel_vmid_2_vmid(sos_vm->vm_id, relative_vm_id);
int32_t ret = -1;
switch (hypcall_id) {
case HC_SOS_OFFLINE_CPU:
ret = hcall_sos_offline_cpu(sos_vm, param1);
break;
case HC_GET_API_VERSION:
ret = hcall_get_api_version(sos_vm, param1);
break;
case HC_GET_PLATFORM_INFO:
ret = hcall_get_platform_info(sos_vm, param1);
break;
case HC_SET_CALLBACK_VECTOR:
ret = hcall_set_callback_vector(sos_vm, param1);
break;
struct acrn_vm *target_vm = NULL;
uint16_t vm_id = ACRN_INVALID_VMID;
struct acrn_create_vm cv;
struct set_regions regions;
uint16_t relative_vm_id;
switch (hcall_id) {
case HC_CREATE_VM:
ret = hcall_create_vm(sos_vm, param1);
break;
case HC_DESTROY_VM:
/* param1: relative vmid to sos, vm_id: absolute vmid */
if (is_valid_postlaunched_vmid(vm_id)) {
ret = hcall_destroy_vm(vm_id);
}
break;
case HC_START_VM:
/* param1: relative vmid to sos, vm_id: absolute vmid */
if (is_valid_postlaunched_vmid(vm_id)) {
ret = hcall_start_vm(vm_id);
}
break;
case HC_RESET_VM:
/* param1: relative vmid to sos, vm_id: absolute vmid */
if (is_valid_postlaunched_vmid(vm_id)) {
ret = hcall_reset_vm(vm_id);
}
break;
case HC_PAUSE_VM:
/* param1: relative vmid to sos, vm_id: absolute vmid */
if (is_valid_postlaunched_vmid(vm_id)) {
ret = hcall_pause_vm(vm_id);
}
break;
case HC_CREATE_VCPU:
ret = 0;
break;
case HC_SET_VCPU_REGS:
/* param1: relative vmid to sos, vm_id: absolute vmid */
if (is_valid_postlaunched_vmid(vm_id)) {
ret = hcall_set_vcpu_regs(sos_vm, vm_id, param2);
}
break;
case HC_SET_IRQLINE:
/* param1: relative vmid to sos, vm_id: absolute vmid */
if (is_valid_postlaunched_vmid(vm_id)) {
ret = hcall_set_irqline(sos_vm, vm_id,
(struct acrn_irqline_ops *)&param2);
}
break;
case HC_INJECT_MSI:
/* param1: relative vmid to sos, vm_id: absolute vmid */
if (is_valid_postlaunched_vmid(vm_id)) {
ret = hcall_inject_msi(sos_vm, vm_id, param2);
}
break;
case HC_SET_IOREQ_BUFFER:
/* param1: relative vmid to sos, vm_id: absolute vmid */
if (is_valid_postlaunched_vmid(vm_id)) {
ret = hcall_set_ioreq_buffer(sos_vm, vm_id, param2);
}
break;
case HC_NOTIFY_REQUEST_FINISH:
/* param1: relative vmid to sos, vm_id: absolute vmid
* param2: vcpu_id */
if (is_valid_postlaunched_vmid(vm_id)) {
ret = hcall_notify_ioreq_finish(vm_id,
(uint16_t)param2);
}
break;
case HC_VM_SET_MEMORY_REGIONS:
ret = hcall_set_vm_memory_regions(sos_vm, param1);
break;
case HC_VM_WRITE_PROTECT_PAGE:
/* param1: relative vmid to sos, vm_id: absolute vmid */
if (is_valid_postlaunched_vmid(vm_id)) {
ret = hcall_write_protect_page(sos_vm, vm_id, param2);
}
break;
/*
* Don't do MSI remapping and make the pmsi_data equal to vmsi_data
* This is a temporary solution before this hypercall is removed from SOS
*/
case HC_VM_PCI_MSIX_REMAP:
ret = 0;
break;
case HC_VM_GPA2HPA:
/* param1: relative vmid to sos, vm_id: absolute vmid */
if ((vm_id < CONFIG_MAX_VM_NUM) && !is_prelaunched_vm(get_vm_from_vmid(vm_id))) {
ret = hcall_gpa_to_hpa(sos_vm, vm_id, param2);
}
break;
case HC_ASSIGN_PCIDEV:
/* param1: relative vmid to sos, vm_id: absolute vmid */
if (is_valid_postlaunched_vmid(vm_id)) {
ret = hcall_assign_pcidev(sos_vm, vm_id, param2);
}
break;
case HC_DEASSIGN_PCIDEV:
/* param1: relative vmid to sos, vm_id: absolute vmid */
if (is_valid_postlaunched_vmid(vm_id)) {
ret = hcall_deassign_pcidev(sos_vm, vm_id, param2);
}
break;
case HC_ASSIGN_MMIODEV:
/* param1: relative vmid to sos, vm_id: absolute vmid */
if (is_valid_postlaunched_vmid(vm_id)) {
ret = hcall_assign_mmiodev(sos_vm, vm_id, param2);
}
break;
case HC_DEASSIGN_MMIODEV:
/* param1: relative vmid to sos, vm_id: absolute vmid */
if (is_valid_postlaunched_vmid(vm_id)) {
ret = hcall_deassign_mmiodev(sos_vm, vm_id, param2);
}
break;
case HC_SET_PTDEV_INTR_INFO:
/* param1: relative vmid to sos, vm_id: absolute vmid */
if (is_valid_postlaunched_vmid(vm_id)) {
ret = hcall_set_ptdev_intr_info(sos_vm, vm_id, param2);
}
break;
case HC_RESET_PTDEV_INTR_INFO:
/* param1: relative vmid to sos, vm_id: absolute vmid */
if (is_valid_postlaunched_vmid(vm_id)) {
ret = hcall_reset_ptdev_intr_info(sos_vm, vm_id, param2);
if (copy_from_gpa(sos_vm, &cv, param1, sizeof(cv)) == 0) {
vm_id = get_vmid_by_uuid(&cv.uuid[0]);
}
break;
case HC_PM_GET_CPU_STATE:
ret = hcall_get_cpu_pm_state(sos_vm, param1, param2);
vm_id = rel_vmid_2_vmid(sos_vm->vm_id, (uint16_t)((param1 & PMCMD_VMID_MASK) >> PMCMD_VMID_SHIFT));
break;
case HC_VM_INTR_MONITOR:
/* param1: relative vmid to sos, vm_id: absolute vmid */
if (is_valid_postlaunched_vmid(vm_id)) {
ret = hcall_vm_intr_monitor(sos_vm, vm_id, param2);
case HC_VM_SET_MEMORY_REGIONS:
if (copy_from_gpa(sos_vm, &regions, param1, sizeof(regions)) == 0) {
/* the vmid in regions is a relative vm id, need to convert to absolute vm id */
vm_id = rel_vmid_2_vmid(sos_vm->vm_id, regions.vmid);
}
break;
case HC_GET_API_VERSION:
case HC_SOS_OFFLINE_CPU:
case HC_SET_CALLBACK_VECTOR:
case HC_GET_PLATFORM_INFO:
case HC_SETUP_SBUF:
case HC_SETUP_HV_NPK_LOG:
case HC_PROFILING_OPS:
case HC_GET_HW_INFO:
target_vm = sos_vm;
break;
default:
ret = hcall_debug(sos_vm, param1, param2, hypcall_id);
relative_vm_id = (uint16_t)param1;
vm_id = rel_vmid_2_vmid(sos_vm->vm_id, relative_vm_id);
break;
}
if ((target_vm == NULL) && (vm_id < CONFIG_MAX_VM_NUM)) {
target_vm = get_vm_from_vmid(vm_id);
if (hcall_id == HC_CREATE_VM) {
target_vm->vm_id = vm_id;
}
}
return target_vm;
}
static int32_t dispatch_sos_hypercall(const struct acrn_vcpu *vcpu)
{
int32_t ret = -EINVAL;
struct hc_dispatch *dispatch = NULL;
struct acrn_vm *sos_vm = vcpu->vm;
/* hypercall ID from guest*/
uint64_t hcall_id = vcpu_get_gpreg(vcpu, CPU_REG_R8);
/* hypercall param1 from guest*/
uint64_t param1 = vcpu_get_gpreg(vcpu, CPU_REG_RDI);
/* hypercall param2 from guest*/
uint64_t param2 = vcpu_get_gpreg(vcpu, CPU_REG_RSI);
struct acrn_vm *target_vm = parse_target_vm(sos_vm, hcall_id, param1, param2);
if (((target_vm == sos_vm)
|| (((target_vm != NULL) && (target_vm != sos_vm) && is_postlaunched_vm(target_vm))))
&& (HC_IDX(hcall_id) < ARRAY_SIZE(hc_dispatch_table))) {
/* Calculate dispatch table entry */
dispatch = (struct hc_dispatch *)(hc_dispatch_table + HC_IDX(hcall_id));
if (dispatch->handler != NULL) {
get_vm_lock(target_vm);
ret = dispatch->handler(sos_vm, target_vm, param1, param2);
put_vm_lock(target_vm);
}
}
return ret;
}
@ -219,7 +176,6 @@ int32_t vmcall_vmexit_handler(struct acrn_vcpu *vcpu)
uint64_t hypcall_id = vcpu_get_gpreg(vcpu, CPU_REG_R8);
if (!is_hypercall_from_ring0()) {
pr_err("hypercall 0x%lx is only allowed from RING-0!\n", hypcall_id);
vcpu_inject_gp(vcpu, 0U);
ret = -EACCES;
} else if (hypcall_id == HC_WORLD_SWITCH) {
@ -235,7 +191,6 @@ int32_t vmcall_vmexit_handler(struct acrn_vcpu *vcpu)
/* Dispatch the hypercall handler */
ret = dispatch_sos_hypercall(vcpu);
} else {
pr_err("hypercall 0x%lx is only allowed from SOS_VM!\n", hypcall_id);
vcpu_inject_ud(vcpu);
ret = -ENODEV;
}
@ -243,6 +198,9 @@ int32_t vmcall_vmexit_handler(struct acrn_vcpu *vcpu)
if ((ret != -EACCES) && (ret != -ENODEV)) {
vcpu_set_gpreg(vcpu, CPU_REG_RAX, (uint64_t)ret);
}
if (ret < 0) {
pr_err("ret=%d hypercall=0x%lx failed in %s\n", ret, hypcall_id, __func__);
}
TRACE_2L(TRACE_VMEXIT_VMCALL, vm->vm_id, hypcall_id);
return 0;

346
hypervisor/common/hypercall.c
View File

@ -45,18 +45,19 @@ bool is_hypercall_from_ring0(void)
* The function offline specific vcpu from SOS.
*
* @param vm Pointer to VM data structure
* @param lapicid lapic id of the vcpu which wants to offline
* @param param1 lapic id of the vcpu which wants to offline
*
* @pre Pointer vm shall point to SOS_VM
* @return 0 on success, non-zero on error.
*/
int32_t hcall_sos_offline_cpu(struct acrn_vm *vm, uint64_t lapicid)
int32_t hcall_sos_offline_cpu(struct acrn_vm *vm, __unused struct acrn_vm *target_vm,
uint64_t param1, __unused uint64_t param2)
{
struct acrn_vcpu *vcpu;
uint16_t i;
int32_t ret = 0;
uint64_t lapicid = param1;
get_vm_lock(vm);
pr_info("sos offline cpu with lapicid %ld", lapicid);
foreach_vcpu(i, vm, vcpu) {
@ -70,7 +71,6 @@ int32_t hcall_sos_offline_cpu(struct acrn_vm *vm, uint64_t lapicid)
offline_vcpu(vcpu);
}
}
put_vm_lock(vm);
return ret;
}
@ -81,20 +81,21 @@ int32_t hcall_sos_offline_cpu(struct acrn_vm *vm, uint64_t lapicid)
* The function only return api version information when VM is SOS_VM.
*
* @param vm Pointer to VM data structure
* @param param guest physical memory address. The api version returned
* @param param1 guest physical memory address. The api version returned
* will be copied to this gpa
*
* @pre Pointer vm shall point to SOS_VM
* @return 0 on success, non-zero on error.
*/
int32_t hcall_get_api_version(struct acrn_vm *vm, uint64_t param)
int32_t hcall_get_api_version(struct acrn_vm *vm, __unused struct acrn_vm *target_vm,
uint64_t param1, __unused uint64_t param2)
{
struct hc_api_version version;
version.major_version = HV_API_MAJOR_VERSION;
version.minor_version = HV_API_MINOR_VERSION;
return copy_to_gpa(vm, &version, param, sizeof(version));
return copy_to_gpa(vm, &version, param1, sizeof(version));
}
/**
@ -104,19 +105,20 @@ int32_t hcall_get_api_version(struct acrn_vm *vm, uint64_t param)
* for the current platform.
*
* @param vm Pointer to VM data structure.
* @param param GPA pointer to struct hc_platform_info.
* @param param1 GPA pointer to struct hc_platform_info.
*
* @pre Pointer vm shall point to SOS_VM
* @return 0 on success, non zero in case of error.
*/
int32_t hcall_get_platform_info(struct acrn_vm *vm, uint64_t param)
int32_t hcall_get_platform_info(struct acrn_vm *vm, __unused struct acrn_vm *target_vm,
uint64_t param1, __unused uint64_t param2)
{
struct hc_platform_info pi = { 0 };
uint32_t entry_size = sizeof(struct acrn_vm_config);
int32_t ret;
/* to get the vm_config_info pointer */
ret = copy_from_gpa(vm, &pi, param, sizeof(pi));
ret = copy_from_gpa(vm, &pi, param1, sizeof(pi));
if (ret == 0) {
pi.cpu_num = get_pcpu_nums();
pi.version = 0x100; /* version 1.0; byte[1:0] = major:minor version */
@ -131,7 +133,7 @@ int32_t hcall_get_platform_info(struct acrn_vm *vm, uint64_t param)
}
if (ret == 0) {
ret = copy_to_gpa(vm, &pi, param, sizeof(pi));
ret = copy_to_gpa(vm, &pi, param1, sizeof(pi));
}
}
@ -146,67 +148,64 @@ int32_t hcall_get_platform_info(struct acrn_vm *vm, uint64_t param)
* support later.
*
* @param vm Pointer to VM data structure
* @param param guest physical memory address. This gpa points to
* @param target_vm Pointer to target VM data structure
* @param param1 guest physical memory address. This gpa points to
* struct acrn_create_vm
*
* @pre Pointer vm shall point to SOS_VM, vm_config != NULL
* @return 0 on success, non-zero on error.
*/
int32_t hcall_create_vm(struct acrn_vm *vm, uint64_t param)
int32_t hcall_create_vm(struct acrn_vm *vm, struct acrn_vm *target_vm, uint64_t param1, __unused uint64_t param2)
{
uint16_t vm_id;
uint16_t vmid = target_vm->vm_id;
int32_t ret = -1;
struct acrn_vm *target_vm = NULL;
struct acrn_vm *tgt_vm = NULL;
struct acrn_create_vm cv;
struct acrn_vm_config* vm_config = NULL;
if (copy_from_gpa(vm, &cv, param, sizeof(cv)) == 0) {
vm_id = get_vmid_by_uuid(&cv.uuid[0]);
if ((vm_id > vm->vm_id) && (vm_id < CONFIG_MAX_VM_NUM)) {
get_vm_lock(get_vm_from_vmid(vm_id));
if (is_poweroff_vm(get_vm_from_vmid(vm_id))) {
if (copy_from_gpa(vm, &cv, param1, sizeof(cv)) == 0) {
if (is_poweroff_vm(get_vm_from_vmid(vmid))) {
vm_config = get_vm_config(vm_id);
vm_config = get_vm_config(vmid);
/* Filter out the bits should not set by DM and then assign it to guest_flags */
vm_config->guest_flags |= (cv.vm_flag & DM_OWNED_GUEST_FLAG_MASK);
/* Filter out the bits should not set by DM and then assign it to guest_flags */
vm_config->guest_flags |= (cv.vm_flag & DM_OWNED_GUEST_FLAG_MASK);
/* post-launched VM is allowed to choose pCPUs from vm_config->cpu_affinity only */
if ((cv.cpu_affinity & ~(vm_config->cpu_affinity)) == 0UL) {
/* By default launch VM with all the configured pCPUs */
uint64_t pcpu_bitmap = vm_config->cpu_affinity;
/* post-launched VM is allowed to choose pCPUs from vm_config->cpu_affinity only */
if ((cv.cpu_affinity & ~(vm_config->cpu_affinity)) == 0UL) {
/* By default launch VM with all the configured pCPUs */
uint64_t pcpu_bitmap = vm_config->cpu_affinity;
if (cv.cpu_affinity != 0UL) {
/* overwrite the statically configured CPU affinity */
pcpu_bitmap = cv.cpu_affinity;
}
/*
* GUEST_FLAG_RT must be set if we have GUEST_FLAG_LAPIC_PASSTHROUGH
* set in guest_flags
*/
if (((vm_config->guest_flags & GUEST_FLAG_LAPIC_PASSTHROUGH) != 0UL)
&& ((vm_config->guest_flags & GUEST_FLAG_RT) == 0UL)) {
pr_err("Wrong guest flags 0x%lx\n", vm_config->guest_flags);
} else {
if (create_vm(vm_id, pcpu_bitmap, vm_config, &target_vm) == 0) {
/* return a relative vm_id from SOS view */
cv.vmid = vmid_2_rel_vmid(vm->vm_id, vm_id);
cv.vcpu_num = target_vm->hw.created_vcpus;
} else {
dev_dbg(DBG_LEVEL_HYCALL, "HCALL: Create VM failed");
cv.vmid = ACRN_INVALID_VMID;
}
ret = copy_to_gpa(vm, &cv, param, sizeof(cv));
}
} else {
pr_err("Post-launched VM%u chooses invalid pCPUs(0x%llx).",
vm_id, cv.cpu_affinity);
if (cv.cpu_affinity != 0UL) {
/* overwrite the statically configured CPU affinity */
pcpu_bitmap = cv.cpu_affinity;
}
/*
* GUEST_FLAG_RT must be set if we have GUEST_FLAG_LAPIC_PASSTHROUGH
* set in guest_flags
*/
if (((vm_config->guest_flags & GUEST_FLAG_LAPIC_PASSTHROUGH) != 0UL)
&& ((vm_config->guest_flags & GUEST_FLAG_RT) == 0UL)) {
pr_err("Wrong guest flags 0x%lx\n", vm_config->guest_flags);
} else {
if (create_vm(vmid, pcpu_bitmap, vm_config, &tgt_vm) == 0) {
/* return a relative vm_id from SOS view */
cv.vmid = vmid_2_rel_vmid(vm->vm_id, vmid);
cv.vcpu_num = tgt_vm->hw.created_vcpus;
} else {
dev_dbg(DBG_LEVEL_HYCALL, "HCALL: Create VM failed");
cv.vmid = ACRN_INVALID_VMID;
}
ret = copy_to_gpa(vm, &cv, param1, sizeof(cv));
}
} else {
pr_err("Post-launched VM%u chooses invalid pCPUs(0x%llx).",
vmid, cv.cpu_affinity);
}
put_vm_lock(get_vm_from_vmid(vm_id));
}
}
return ret;
@ -218,21 +217,19 @@ int32_t hcall_create_vm(struct acrn_vm *vm, uint64_t param)
* Destroy a virtual machine, it will pause target VM then shutdown it.
* The function will return -1 if the target VM does not exist.
*
* @param vmid ID of the VM
* @param target_vm Pointer to target VM data structure
*
* @return 0 on success, non-zero on error.
*/
int32_t hcall_destroy_vm(uint16_t vmid)
int32_t hcall_destroy_vm(__unused struct acrn_vm *vm, struct acrn_vm *target_vm,
__unused uint64_t param1, __unused uint64_t param2)
{
int32_t ret = -1;
struct acrn_vm *target_vm = get_vm_from_vmid(vmid);
get_vm_lock(target_vm);
if (is_paused_vm(target_vm)) {
/* TODO: check target_vm guest_flags */
ret = shutdown_vm(target_vm);
}
put_vm_lock(target_vm);
return ret;
}
@ -243,22 +240,20 @@ int32_t hcall_destroy_vm(uint16_t vmid)
* The function will return -1 if the target VM does not exist or the
* IOReq buffer page for the VM is not ready.
*
* @param vmid ID of the VM
* @param target_vm Pointer to target VM data structure
*
* @return 0 on success, non-zero on error.
*/
int32_t hcall_start_vm(uint16_t vmid)
int32_t hcall_start_vm(__unused struct acrn_vm *vm, struct acrn_vm *target_vm,
__unused uint64_t param1, __unused uint64_t param2)
{
int32_t ret = -1;
struct acrn_vm *target_vm = get_vm_from_vmid(vmid);
get_vm_lock(target_vm);
if ((is_created_vm(target_vm)) && (target_vm->sw.io_shared_page != NULL)) {
/* TODO: check target_vm guest_flags */
start_vm(target_vm);
ret = 0;
}
put_vm_lock(target_vm);
return ret;
}
@ -270,22 +265,20 @@ int32_t hcall_start_vm(uint16_t vmid)
* will return 0 directly for success.
* The function will return -1 if the target VM does not exist.
*
* @param vmid ID of the VM
* @param target_vm Pointer to target VM data structure
*
* @return 0 on success, non-zero on error.
*/
int32_t hcall_pause_vm(uint16_t vmid)
int32_t hcall_pause_vm(__unused struct acrn_vm *vm, struct acrn_vm *target_vm,
__unused uint64_t param1, __unused uint64_t param2)
{
struct acrn_vm *target_vm = get_vm_from_vmid(vmid);
int32_t ret = -1;
get_vm_lock(target_vm);
if (!is_poweroff_vm(target_vm)) {
/* TODO: check target_vm guest_flags */
pause_vm(target_vm);
ret = 0;
}
put_vm_lock(target_vm);
return ret;
}
@ -297,21 +290,19 @@ int32_t hcall_pause_vm(uint16_t vmid)
* each vcpu state and do some initialization for guest.
* The function will return -1 if the target VM does not exist.
*
* @param vmid ID of the VM
* @param target_vm Pointer to target VM data structure
*
* @return 0 on success, non-zero on error.
*/
int32_t hcall_reset_vm(uint16_t vmid)
int32_t hcall_reset_vm(__unused struct acrn_vm *vm, struct acrn_vm *target_vm,
__unused uint64_t param1, __unused uint64_t param2)
{
struct acrn_vm *target_vm = get_vm_from_vmid(vmid);
int32_t ret = -1;
get_vm_lock(target_vm);
if (is_paused_vm(target_vm)) {
/* TODO: check target_vm guest_flags */
ret = reset_vm(target_vm);
}
put_vm_lock(target_vm);
return ret;
}
@ -323,24 +314,22 @@ int32_t hcall_reset_vm(uint16_t vmid)
* The function will return -1 if the targat VM or BSP doesn't exist.
*
* @param vm Pointer to VM data structure
* @param vmid ID of the VM
* @param param guest physical address. This gpa points to
* @param target_vm Pointer to target VM data structure
* @param param2 guest physical address. This gpa points to
* struct acrn_vcpu_regs
*
* @pre Pointer vm shall point to SOS_VM
* @return 0 on success, non-zero on error.
*/
int32_t hcall_set_vcpu_regs(struct acrn_vm *vm, uint16_t vmid, uint64_t param)
int32_t hcall_set_vcpu_regs(struct acrn_vm *vm, struct acrn_vm *target_vm, __unused uint64_t param1, uint64_t param2)
{
struct acrn_vm *target_vm = get_vm_from_vmid(vmid);
struct acrn_set_vcpu_regs vcpu_regs;
struct acrn_vcpu *vcpu;
int32_t ret = -1;
get_vm_lock(target_vm);
/* Only allow setup init ctx while target_vm is inactive */
if ((!is_poweroff_vm(target_vm)) && (param != 0U) && (target_vm->state != VM_RUNNING)) {
if (copy_from_gpa(vm, &vcpu_regs, param, sizeof(vcpu_regs)) != 0) {
if ((!is_poweroff_vm(target_vm)) && (param2 != 0U) && (target_vm->state != VM_RUNNING)) {
if (copy_from_gpa(vm, &vcpu_regs, param2, sizeof(vcpu_regs)) != 0) {
} else if (vcpu_regs.vcpu_id >= MAX_VCPUS_PER_VM) {
pr_err("%s: invalid vcpu_id for set_vcpu_regs\n", __func__);
} else {
@ -351,11 +340,16 @@ int32_t hcall_set_vcpu_regs(struct acrn_vm *vm, uint16_t vmid, uint64_t param)
}
}
}
put_vm_lock(target_vm);
return ret;
}
int32_t hcall_create_vcpu(__unused struct acrn_vm *vm, __unused struct acrn_vm *target_vm,
__unused uint64_t param1, __unused uint64_t param2)
{
return 0;
}
/**
* @brief set or clear IRQ line
*
@ -364,18 +358,17 @@ int32_t hcall_set_vcpu_regs(struct acrn_vm *vm, uint16_t vmid, uint64_t param)
* The function will return -1 if the target VM does not exist.
*
* @param vm Pointer to VM data structure
* @param vmid ID of the VM
* @param ops request command for IRQ set or clear
* @param target_vm Pointer to target VM data structure
* @param param2 info for irqline
*
* @pre Pointer vm shall point to SOS_VM
* @return 0 on success, non-zero on error.
*/
int32_t hcall_set_irqline(const struct acrn_vm *vm, uint16_t vmid,
const struct acrn_irqline_ops *ops)
int32_t hcall_set_irqline(struct acrn_vm *vm, struct acrn_vm *target_vm, __unused uint64_t param1, uint64_t param2)
{
uint32_t irq_pic;
struct acrn_vm *target_vm = get_vm_from_vmid(vmid);
int32_t ret = -1;
struct acrn_irqline_ops *ops = (struct acrn_irqline_ops *)&param2;
if (!is_poweroff_vm(target_vm)) {
if (ops->gsi < get_vm_gsicount(vm)) {
@ -455,21 +448,20 @@ static void inject_msi_lapic_pt(struct acrn_vm *vm, const struct acrn_msi_entry
* The function will return -1 if the target VM does not exist.
*
* @param vm Pointer to VM data structure
* @param vmid ID of the VM
* @param param guest physical address. This gpa points to struct acrn_msi_entry
* @param target_vm Pointer to target VM data structure
* @param param2 guest physical address. This gpa points to struct acrn_msi_entry
*
* @pre Pointer vm shall point to SOS_VM
* @return 0 on success, non-zero on error.
*/
int32_t hcall_inject_msi(struct acrn_vm *vm, uint16_t vmid, uint64_t param)
int32_t hcall_inject_msi(struct acrn_vm *vm, struct acrn_vm *target_vm, __unused uint64_t param1, uint64_t param2)
{
int32_t ret = -1;
struct acrn_vm *target_vm = get_vm_from_vmid(vmid);
if (!is_poweroff_vm(target_vm)) {
struct acrn_msi_entry msi;
if (copy_from_gpa(vm, &msi, param, sizeof(msi)) == 0) {
if (copy_from_gpa(vm, &msi, param2, sizeof(msi)) == 0) {
/* For target cpu with lapic pt, send ipi instead of injection via vlapic */
if (is_lapic_pt_configured(target_vm)) {
enum vm_vlapic_mode vlapic_mode = check_vm_vlapic_mode(target_vm);
@ -509,27 +501,25 @@ int32_t hcall_inject_msi(struct acrn_vm *vm, uint16_t vmid, uint64_t param)
* The function will return -1 if the target VM does not exist.
*
* @param vm Pointer to VM data structure
* @param vmid ID of the VM
* @param param guest physical address. This gpa points to
* @param target_vm Pointer to target VM data structure
* @param param2 guest physical address. This gpa points to
* struct acrn_set_ioreq_buffer
*
* @pre Pointer vm shall point to SOS_VM
* @return 0 on success, non-zero on error.
*/
int32_t hcall_set_ioreq_buffer(struct acrn_vm *vm, uint16_t vmid, uint64_t param)
int32_t hcall_set_ioreq_buffer(struct acrn_vm *vm, struct acrn_vm *target_vm, __unused uint64_t param1, uint64_t param2)
{
uint64_t hpa;
struct acrn_vm *target_vm = get_vm_from_vmid(vmid);
uint16_t i;
int32_t ret = -1;
get_vm_lock(target_vm);
if (is_created_vm(target_vm)) {
struct acrn_set_ioreq_buffer iobuf;
if (copy_from_gpa(vm, &iobuf, param, sizeof(iobuf)) == 0) {
if (copy_from_gpa(vm, &iobuf, param2, sizeof(iobuf)) == 0) {
dev_dbg(DBG_LEVEL_HYCALL, "[%d] SET BUFFER=0x%p",
vmid, iobuf.req_buf);
target_vm->vm_id, iobuf.req_buf);
hpa = gpa2hpa(vm, iobuf.req_buf);
if (hpa == INVALID_HPA) {
@ -545,7 +535,6 @@ int32_t hcall_set_ioreq_buffer(struct acrn_vm *vm, uint16_t vmid, uint64_t param
}
}
}
put_vm_lock(target_vm);
return ret;
}
@ -556,21 +545,22 @@ int32_t hcall_set_ioreq_buffer(struct acrn_vm *vm, uint16_t vmid, uint64_t param
* Notify the requestor VCPU for the completion of an ioreq.
* The function will return -1 if the target VM does not exist.
*
* @param vmid ID of the VM
* @param vcpu_id vcpu ID of the requestor
* @param target_vm Pointer to target VM data structure
* @param param2 vcpu ID of the requestor
*
* @return 0 on success, non-zero on error.
*/
int32_t hcall_notify_ioreq_finish(uint16_t vmid, uint16_t vcpu_id)
int32_t hcall_notify_ioreq_finish(__unused struct acrn_vm *vm, struct acrn_vm *target_vm,
__unused uint64_t param1, uint64_t param2)
{
struct acrn_vcpu *vcpu;
struct acrn_vm *target_vm = get_vm_from_vmid(vmid);
int32_t ret = -1;
uint16_t vcpu_id = (uint16_t)param2;
/* make sure we have set req_buf */
if ((!is_poweroff_vm(target_vm)) && (target_vm->sw.io_shared_page != NULL)) {
dev_dbg(DBG_LEVEL_HYCALL, "[%d] NOTIFY_FINISH for vcpu %d",
vmid, vcpu_id);
target_vm->vm_id, vcpu_id);
if (vcpu_id >= target_vm->hw.created_vcpus) {
pr_err("%s, failed to get VCPU %d context from VM %d\n",
@ -685,28 +675,24 @@ static int32_t set_vm_memory_region(struct acrn_vm *vm,
* @brief setup ept memory mapping for multi regions
*
* @param vm Pointer to VM data structure
* @param param guest physical address. This gpa points to
* @param target_vm Pointer to target VM data structure
* @param param1 guest physical address. This gpa points to
* struct set_memmaps
*
* @pre Pointer vm shall point to SOS_VM
* @return 0 on success, non-zero on error.
*/
int32_t hcall_set_vm_memory_regions(struct acrn_vm *vm, uint64_t param)
int32_t hcall_set_vm_memory_regions(struct acrn_vm *vm, struct acrn_vm *target_vm,
uint64_t param1, __unused uint64_t param2)
{
struct set_regions regions;
struct vm_memory_region mr;
struct acrn_vm *target_vm = NULL;
uint32_t idx;
int32_t ret = -1;
if (copy_from_gpa(vm, &regions, param, sizeof(regions)) == 0) {
/* the vmid in regions is a relative vm id, need to convert to absolute vm id */
uint16_t target_vmid = rel_vmid_2_vmid(vm->vm_id, regions.vmid);
if (copy_from_gpa(vm, &regions, param1, sizeof(regions)) == 0) {
if (target_vmid < CONFIG_MAX_VM_NUM) {
target_vm = get_vm_from_vmid(target_vmid);
}
if ((target_vm != NULL) && !is_poweroff_vm(target_vm) && is_postlaunched_vm(target_vm)) {
if (!is_poweroff_vm(target_vm)) {
idx = 0U;
while (idx < regions.mr_num) {
if (copy_from_gpa(vm, &mr, regions.regions_gpa + idx * sizeof(mr), sizeof(mr)) != 0) {
@ -774,17 +760,18 @@ static int32_t write_protect_page(struct acrn_vm *vm,const struct wp_data *wp)
* @brief change guest memory page write permission
*
* @param vm Pointer to VM data structure
* @param vmid ID of the VM
* @param wp_gpa guest physical address. This gpa points to
* @param target_vm Pointer to target VM data structure
* @param param2 guest physical address. This gpa points to
* struct wp_data
*
* @pre Pointer vm shall point to SOS_VM
* @return 0 on success, non-zero on error.
*/
int32_t hcall_write_protect_page(struct acrn_vm *vm, uint16_t vmid, uint64_t wp_gpa)
int32_t hcall_write_protect_page(struct acrn_vm *vm, struct acrn_vm *target_vm,
__unused uint64_t param1, uint64_t param2)
{
struct acrn_vm *target_vm = get_vm_from_vmid(vmid);
int32_t ret = -1;
uint64_t wp_gpa = param2;
if (!is_poweroff_vm(target_vm)) {
struct wp_data wp;
@ -806,27 +793,26 @@ int32_t hcall_write_protect_page(struct acrn_vm *vm, uint16_t vmid, uint64_t wp_
* The function will return -1 if the target VM does not exist.
*
* @param vm Pointer to VM data structure
* @param vmid ID of the VM
* @param param guest physical address. This gpa points to struct vm_gpa2hpa
* @param target_vm Pointer to target VM data structure
* @param param2 guest physical address. This gpa points to struct vm_gpa2hpa
*
* @pre Pointer vm shall point to SOS_VM
* @return 0 on success, non-zero on error.
*/
int32_t hcall_gpa_to_hpa(struct acrn_vm *vm, uint16_t vmid, uint64_t param)
int32_t hcall_gpa_to_hpa(struct acrn_vm *vm, struct acrn_vm *target_vm, __unused uint64_t param1, uint64_t param2)
{
int32_t ret = -1;
struct vm_gpa2hpa v_gpa2hpa;
struct acrn_vm *target_vm = get_vm_from_vmid(vmid);
(void)memset((void *)&v_gpa2hpa, 0U, sizeof(v_gpa2hpa));
if (!is_poweroff_vm(target_vm) &&
(copy_from_gpa(vm, &v_gpa2hpa, param, sizeof(v_gpa2hpa)) == 0)) {
(copy_from_gpa(vm, &v_gpa2hpa, param2, sizeof(v_gpa2hpa)) == 0)) {
v_gpa2hpa.hpa = gpa2hpa(target_vm, v_gpa2hpa.gpa);
if (v_gpa2hpa.hpa == INVALID_HPA) {
pr_err("%s,vm[%hu] gpa 0x%lx,GPA is unmapping.",
__func__, target_vm->vm_id, v_gpa2hpa.gpa);
} else {
ret = copy_to_gpa(vm, &v_gpa2hpa, param, sizeof(v_gpa2hpa));
ret = copy_to_gpa(vm, &v_gpa2hpa, param2, sizeof(v_gpa2hpa));
}
} else {
pr_err("target_vm is invalid or HCALL gpa2hpa: Unable copy param from vm\n");
@ -839,22 +825,21 @@ int32_t hcall_gpa_to_hpa(struct acrn_vm *vm, uint16_t vmid, uint64_t param)
* @brief Assign one PCI dev to a VM.
*
* @param vm Pointer to VM data structure
* @param vmid ID of the VM
* @param param guest physical address. This gpa points to data structure of
* @param target_vm Pointer to target VM data structure
* @param param2 guest physical address. This gpa points to data structure of
* acrn_assign_pcidev including assign PCI device info
*
* @pre Pointer vm shall point to SOS_VM
* @return 0 on success, non-zero on error.
*/
int32_t hcall_assign_pcidev(struct acrn_vm *vm, uint16_t vmid, uint64_t param)
int32_t hcall_assign_pcidev(struct acrn_vm *vm, struct acrn_vm *target_vm, __unused uint64_t param1, uint64_t param2)
{
int32_t ret = -EINVAL;
struct acrn_assign_pcidev pcidev;
struct acrn_vm *target_vm = get_vm_from_vmid(vmid);
/* We should only assign a device to a post-launched VM at creating time for safety, not runtime or other cases*/
if (is_created_vm(target_vm)) {
if (copy_from_gpa(vm, &pcidev, param, sizeof(pcidev)) == 0) {
if (copy_from_gpa(vm, &pcidev, param2, sizeof(pcidev)) == 0) {
ret = vpci_assign_pcidev(target_vm, &pcidev);
}
} else {
@ -868,22 +853,21 @@ int32_t hcall_assign_pcidev(struct acrn_vm *vm, uint16_t vmid, uint64_t param)
* @brief Deassign one PCI dev from a VM.
*
* @param vm Pointer to VM data structure
* @param vmid ID of the VM
* @param param guest physical address. This gpa points to data structure of
* @param target_vm Pointer to target VM data structure
* @param param2 guest physical address. This gpa points to data structure of
* acrn_assign_pcidev including deassign PCI device info
*
* @pre Pointer vm shall point to SOS_VM
* @return 0 on success, non-zero on error.
*/
int32_t hcall_deassign_pcidev(struct acrn_vm *vm, uint16_t vmid, uint64_t param)
int32_t hcall_deassign_pcidev(struct acrn_vm *vm, struct acrn_vm *target_vm, __unused uint64_t param1, uint64_t param2)
{
int32_t ret = -EINVAL;
struct acrn_assign_pcidev pcidev;
struct acrn_vm *target_vm = get_vm_from_vmid(vmid);
/* We should only de-assign a device from a post-launched VM at creating/shutdown/reset time */
if ((is_paused_vm(target_vm) || is_created_vm(target_vm))) {
if (copy_from_gpa(vm, &pcidev, param, sizeof(pcidev)) == 0) {
if (copy_from_gpa(vm, &pcidev, param2, sizeof(pcidev)) == 0) {
ret = vpci_deassign_pcidev(target_vm, &pcidev);
}
} else {
@ -897,22 +881,21 @@ int32_t hcall_deassign_pcidev(struct acrn_vm *vm, uint16_t vmid, uint64_t param)
* @brief Assign one MMIO dev to a VM.
*
* @param vm Pointer to VM data structure
* @param vmid ID of the VM
* @param param guest physical address. This gpa points to data structure of
* @param target_vm Pointer to target VM data structure
* @param param2 guest physical address. This gpa points to data structure of
* acrn_mmiodev including assign MMIO device info
*
* @pre Pointer vm shall point to SOS_VM
* @return 0 on success, non-zero on error.
*/
int32_t hcall_assign_mmiodev(struct acrn_vm *vm, uint16_t vmid, uint64_t param)
int32_t hcall_assign_mmiodev(struct acrn_vm *vm, struct acrn_vm *target_vm, __unused uint64_t param1, uint64_t param2)
{
int32_t ret = -EINVAL;
struct acrn_mmiodev mmiodev;
struct acrn_vm *target_vm = get_vm_from_vmid(vmid);
/* We should only assign a device to a post-launched VM at creating time for safety, not runtime or other cases*/
if (is_created_vm(target_vm)) {
if (copy_from_gpa(vm, &mmiodev, param, sizeof(mmiodev)) == 0) {
if (copy_from_gpa(vm, &mmiodev, param2, sizeof(mmiodev)) == 0) {
ret = deassign_mmio_dev(vm, &mmiodev);
if (ret == 0) {
ret = assign_mmio_dev(target_vm, &mmiodev);
@ -929,22 +912,21 @@ int32_t hcall_assign_mmiodev(struct acrn_vm *vm, uint16_t vmid, uint64_t param)
* @brief Deassign one MMIO dev from a VM.
*
* @param vm Pointer to VM data structure
* @param vmid ID of the VM
* @param param guest physical address. This gpa points to data structure of
* @param target_vm Pointer to target VM data structure
* @param param2 guest physical address. This gpa points to data structure of
* acrn_mmiodev including deassign MMIO device info
*
* @pre Pointer vm shall point to SOS_VM
* @return 0 on success, non-zero on error.
*/
int32_t hcall_deassign_mmiodev(struct acrn_vm *vm, uint16_t vmid, uint64_t param)
int32_t hcall_deassign_mmiodev(struct acrn_vm *vm, struct acrn_vm *target_vm, __unused uint64_t param1, uint64_t param2)
{
int32_t ret = -EINVAL;
struct acrn_mmiodev mmiodev;
struct acrn_vm *target_vm = get_vm_from_vmid(vmid);
/* We should only de-assign a device from a post-launched VM at creating/shutdown/reset time */
if ((is_paused_vm(target_vm) || is_created_vm(target_vm))) {
if (copy_from_gpa(vm, &mmiodev, param, sizeof(mmiodev)) == 0) {
if (copy_from_gpa(vm, &mmiodev, param2, sizeof(mmiodev)) == 0) {
ret = deassign_mmio_dev(target_vm, &mmiodev);
if (ret == 0) {
ret = assign_mmio_dev(vm, &mmiodev);
@ -961,22 +943,22 @@ int32_t hcall_deassign_mmiodev(struct acrn_vm *vm, uint16_t vmid, uint64_t param
* @brief Set interrupt mapping info of ptdev.
*
* @param vm Pointer to VM data structure
* @param vmid ID of the VM
* @param param guest physical address. This gpa points to data structure of
* @param target_vm Pointer to target VM data structure
* @param param2 guest physical address. This gpa points to data structure of
* hc_ptdev_irq including intr remapping info
*
* @pre Pointer vm shall point to SOS_VM
* @return 0 on success, non-zero on error.
*/
int32_t hcall_set_ptdev_intr_info(struct acrn_vm *vm, uint16_t vmid, uint64_t param)
int32_t hcall_set_ptdev_intr_info(struct acrn_vm *vm, struct acrn_vm *target_vm,
__unused uint64_t param1, uint64_t param2)
{
int32_t ret = -1;
struct acrn_vm *target_vm = get_vm_from_vmid(vmid);
if (!is_poweroff_vm(target_vm)) {
struct hc_ptdev_irq irq;
if (copy_from_gpa(vm, &irq, param, sizeof(irq)) == 0) {
if (copy_from_gpa(vm, &irq, param2, sizeof(irq)) == 0) {
if (irq.type == IRQ_INTX) {
struct pci_vdev *vdev;
union pci_bdf bdf = {.value = irq.virt_bdf};
@ -991,11 +973,11 @@ int32_t hcall_set_ptdev_intr_info(struct acrn_vm *vm, uint16_t vmid, uint64_t pa
* phys_pin to phys_gsi
*/
if ((vdev != NULL) && (vdev->pdev->bdf.value == irq.phys_bdf)) {
if ((((!irq.intx.pic_pin) && (irq.intx.virt_pin < get_vm_gsicount(target_vm))) ||
((irq.intx.pic_pin) && (irq.intx.virt_pin < vpic_pincount()))) &&
is_gsi_valid(irq.intx.phys_pin)) {
if ((((!irq.intx.pic_pin) && (irq.intx.virt_pin < get_vm_gsicount(target_vm)))
|| ((irq.intx.pic_pin) && (irq.intx.virt_pin < vpic_pincount())))
&& is_gsi_valid(irq.intx.phys_pin)) {
ret = ptirq_add_intx_remapping(target_vm, irq.intx.virt_pin,
irq.intx.phys_pin, irq.intx.pic_pin);
irq.intx.phys_pin, irq.intx.pic_pin);
} else {
pr_err("%s: Invalid phys pin or virt pin\n", __func__);
}
@ -1012,23 +994,22 @@ int32_t hcall_set_ptdev_intr_info(struct acrn_vm *vm, uint16_t vmid, uint64_t pa
* @brief Clear interrupt mapping info of ptdev.
*
* @param vm Pointer to VM data structure
* @param vmid ID of the VM
* @param param guest physical address. This gpa points to data structure of
* @param target_vm Pointer to target VM data structure
* @param param2 guest physical address. This gpa points to data structure of
* hc_ptdev_irq including intr remapping info
*
* @pre Pointer vm shall point to SOS_VM
* @return 0 on success, non-zero on error.
*/
int32_t
hcall_reset_ptdev_intr_info(struct acrn_vm *vm, uint16_t vmid, uint64_t param)
int32_t hcall_reset_ptdev_intr_info(struct acrn_vm *vm, struct acrn_vm *target_vm,
__unused uint64_t param1, uint64_t param2)
{
int32_t ret = -1;
struct acrn_vm *target_vm = get_vm_from_vmid(vmid);
if (!is_poweroff_vm(target_vm)) {
struct hc_ptdev_irq irq;
if (copy_from_gpa(vm, &irq, param, sizeof(irq)) == 0) {
if (copy_from_gpa(vm, &irq, param2, sizeof(irq)) == 0) {
if (irq.type == IRQ_INTX) {
struct pci_vdev *vdev;
union pci_bdf bdf = {.value = irq.virt_bdf};
@ -1064,28 +1045,23 @@ hcall_reset_ptdev_intr_info(struct acrn_vm *vm, uint16_t vmid, uint64_t param)
* @brief Get VCPU Power state.
*
* @param vm pointer to VM data structure
* @param cmd cmd to show get which VCPU power state data
* @param param VCPU power state data
* @param target_vm Pointer to target VM data structure
* @param param1 cmd to show get which VCPU power state data
* @param param2 VCPU power state data
*
* @pre Pointer vm shall point to SOS_VM
* @return 0 on success, non-zero on error.
*/
int32_t hcall_get_cpu_pm_state(struct acrn_vm *vm, uint64_t cmd, uint64_t param)
int32_t hcall_get_cpu_pm_state(struct acrn_vm *vm, struct acrn_vm *target_vm, uint64_t param1, uint64_t param2)
{
uint16_t target_vm_id;
struct acrn_vm *target_vm = NULL;
int32_t ret = -1;
uint64_t cmd = param1;
/* the vmid in cmd is a relative vm id, need to convert to absolute vm id */
target_vm_id = rel_vmid_2_vmid(vm->vm_id, (uint16_t)((cmd & PMCMD_VMID_MASK) >> PMCMD_VMID_SHIFT));
if (target_vm_id < CONFIG_MAX_VM_NUM) {
target_vm = get_vm_from_vmid(target_vm_id);
}
if ((target_vm != NULL) && (!is_poweroff_vm(target_vm)) && (is_postlaunched_vm(target_vm))) {
if (!is_poweroff_vm(target_vm)) {
switch (cmd & PMCMD_TYPE_MASK) {
case PMCMD_GET_PX_CNT: {
if (target_vm->pm.px_cnt != 0U) {
ret = copy_to_gpa(vm, &(target_vm->pm.px_cnt), param, sizeof(target_vm->pm.px_cnt));
ret = copy_to_gpa(vm, &(target_vm->pm.px_cnt), param2, sizeof(target_vm->pm.px_cnt));
}
break;
}
@ -1107,12 +1083,12 @@ int32_t hcall_get_cpu_pm_state(struct acrn_vm *vm, uint64_t cmd, uint64_t param)
}
px_data = target_vm->pm.px_data + pn;
ret = copy_to_gpa(vm, px_data, param, sizeof(struct cpu_px_data));
ret = copy_to_gpa(vm, px_data, param2, sizeof(struct cpu_px_data));
break;
}
case PMCMD_GET_CX_CNT: {
if (target_vm->pm.cx_cnt != 0U) {
ret = copy_to_gpa(vm, &(target_vm->pm.cx_cnt), param, sizeof(target_vm->pm.cx_cnt));
ret = copy_to_gpa(vm, &(target_vm->pm.cx_cnt), param2, sizeof(target_vm->pm.cx_cnt));
}
break;
}
@ -1131,7 +1107,7 @@ int32_t hcall_get_cpu_pm_state(struct acrn_vm *vm, uint64_t cmd, uint64_t param)
}
cx_data = target_vm->pm.cx_data + cx_idx;
ret = copy_to_gpa(vm, cx_data, param, sizeof(struct cpu_cx_data));
ret = copy_to_gpa(vm, cx_data, param2, sizeof(struct cpu_cx_data));
break;
}
default:
@ -1147,23 +1123,22 @@ int32_t hcall_get_cpu_pm_state(struct acrn_vm *vm, uint64_t cmd, uint64_t param)
* @brief Get VCPU a VM's interrupt count data.
*
* @param vm pointer to VM data structure
* @param vmid id of the VM
* @param param guest physical address. This gpa points to data structure of
* @param target_vm Pointer to target VM data structure
* @param param2 guest physical address. This gpa points to data structure of
* acrn_intr_monitor
*
* @pre Pointer vm shall point to SOS_VM
* @return 0 on success, non-zero on error.
*/
int32_t hcall_vm_intr_monitor(struct acrn_vm *vm, uint16_t vmid, uint64_t param)
int32_t hcall_vm_intr_monitor(struct acrn_vm *vm, struct acrn_vm *target_vm, __unused uint64_t param1, uint64_t param2)
{
int32_t status = -EINVAL;
struct acrn_intr_monitor *intr_hdr;
uint64_t hpa;
struct acrn_vm *target_vm = get_vm_from_vmid(vmid);
if (!is_poweroff_vm(target_vm)) {
/* the param for this hypercall is page aligned */
hpa = gpa2hpa(vm, param);
hpa = gpa2hpa(vm, param2);
if (hpa != INVALID_HPA) {
intr_hdr = (struct acrn_intr_monitor *)hpa2hva(hpa);
stac();
@ -1202,20 +1177,21 @@ int32_t hcall_vm_intr_monitor(struct acrn_vm *vm, uint16_t vmid, uint64_t param)
* to notify the SOS kernel.
*
* @param vm Pointer to VM data structure
* @param param the expected notifier vector from guest
* @param param1 the expected notifier vector from guest
*
* @pre Pointer vm shall point to SOS_VM
* @return 0 on success, non-zero on error.
*/
int32_t hcall_set_callback_vector(__unused const struct acrn_vm *vm, uint64_t param)
int32_t hcall_set_callback_vector(__unused struct acrn_vm *vm, __unused struct acrn_vm *target_vm,
uint64_t param1, __unused uint64_t param2)
{
int32_t ret;
if ((param > NR_MAX_VECTOR) || (param < VECTOR_DYNAMIC_START)) {
if ((param1 > NR_MAX_VECTOR) || (param1 < VECTOR_DYNAMIC_START)) {
pr_err("%s: Invalid passed vector\n", __func__);
ret = -EINVAL;
} else {
set_vhm_notification_vector((uint32_t)param);
set_vhm_notification_vector((uint32_t)param1);
ret = 0;
}

92
hypervisor/debug/hypercall.c
View File

@ -18,44 +18,45 @@
* @brief Execute profiling operation
*
* @param vm Pointer to VM data structure
* @param cmd profiling command to be executed
* @param cmd profiling command to be executed
* @param param guest physical address. This gpa points to
* @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.
*/
static int32_t hcall_profiling_ops(struct acrn_vm *vm, uint64_t cmd, uint64_t param)
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, param);
ret = profiling_msr_ops_all_cpus(vm, param2);
break;
case PROFILING_GET_VMINFO:
ret = profiling_vm_list_info(vm, param);
ret = profiling_vm_list_info(vm, param2);
break;
case PROFILING_GET_VERSION:
ret = profiling_get_version_info(vm, param);
ret = profiling_get_version_info(vm, param2);
break;
case PROFILING_GET_CONTROL_SWITCH:
ret = profiling_get_control(vm, param);
ret = profiling_get_control(vm, param2);
break;
case PROFILING_SET_CONTROL_SWITCH:
ret = profiling_set_control(vm, param);
ret = profiling_set_control(vm, param2);
break;
case PROFILING_CONFIG_PMI:
ret = profiling_configure_pmi(vm, param);
ret = profiling_configure_pmi(vm, param2);
break;
case PROFILING_CONFIG_VMSWITCH:
ret = profiling_configure_vmsw(vm, param);
ret = profiling_configure_vmsw(vm, param2);
break;
case PROFILING_GET_PCPUID:
ret = profiling_get_pcpu_id(vm, param);
ret = profiling_get_pcpu_id(vm, param2);
break;
case PROFILING_GET_STATUS:
ret = profiling_get_status_info(vm, param);
ret = profiling_get_status_info(vm, param2);
break;
default:
pr_err("%s: invalid profiling command %lu\n", __func__, cmd);
@ -70,18 +71,19 @@ static int32_t hcall_profiling_ops(struct acrn_vm *vm, uint64_t cmd, uint64_t pa
* @brief Setup a share buffer for a VM.
*
* @param vm Pointer to VM data structure
* @param param guest physical address. This gpa points to
* @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.
*/
static int32_t hcall_setup_sbuf(struct acrn_vm *vm, uint64_t param)
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, param, sizeof(ssp)) != 0) {
if (copy_from_gpa(vm, &ssp, param1, sizeof(ssp)) != 0) {
return -1;
}
@ -98,23 +100,24 @@ static int32_t hcall_setup_sbuf(struct acrn_vm *vm, uint64_t param)
* @brief Setup the hypervisor NPK log.
*
* @param vm Pointer to VM data structure
* @param param guest physical address. This gpa points to
* @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.
*/
static int32_t hcall_setup_hv_npk_log(struct acrn_vm *vm, uint64_t param)
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, param, sizeof(npk_param)) != 0) {
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, param, sizeof(npk_param));
return copy_to_gpa(vm, &npk_param, param1, sizeof(npk_param));
}
/**
@ -124,59 +127,18 @@ static int32_t hcall_setup_hv_npk_log(struct acrn_vm *vm, uint64_t param)
* @param param Guest physical address pointing to struct acrn_hw_info
*
* @pre vm shall point to SOS_VM
* @pre param shall be a valid physical address
* @pre param1 shall be a valid physical address
*
* @retval 0 on success
* @retval -1 in case of error
*/
static int32_t hcall_get_hw_info(struct acrn_vm *vm, uint64_t param)
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, param, sizeof(hw_info));
}
/**
* @brief Setup hypervisor debug infrastructure, such as share buffer, NPK log and profiling.
*
* @param vm Pointer to VM data structure
* @param param1 hypercall param1 from guest
* @param param2 hypercall param2 from guest
* @param hypcall_id hypercall ID from guest
*
* @pre Pointer vm shall point to SOS_VM
* @return 0 on success, non-zero on error.
*/
int32_t hcall_debug(struct acrn_vm *vm, uint64_t param1, uint64_t param2, uint64_t hypcall_id)
{
int32_t ret;
/* Dispatch the debug hypercall handler */
switch (hypcall_id) {
case HC_SETUP_SBUF:
ret = hcall_setup_sbuf(vm, param1);
break;
case HC_SETUP_HV_NPK_LOG:
ret = hcall_setup_hv_npk_log(vm, param1);
break;
case HC_PROFILING_OPS:
ret = hcall_profiling_ops(vm, param1, param2);
break;
case HC_GET_HW_INFO:
ret = hcall_get_hw_info(vm, param1);
break;
default:
pr_err("op %d: Invalid hypercall\n", hypcall_id);
ret = -EPERM;
break;
}
return ret;
return copy_to_gpa(vm, &hw_info, param1, sizeof(hw_info));
}

1
hypervisor/include/arch/x86/guest/vm.h
View File

@ -225,7 +225,6 @@ bool is_created_vm(const struct acrn_vm *vm);
bool is_paused_vm(const struct acrn_vm *vm);
bool is_sos_vm(const struct acrn_vm *vm);
bool is_postlaunched_vm(const struct acrn_vm *vm);
bool is_valid_postlaunched_vmid(uint16_t vm_id);
bool is_prelaunched_vm(const struct acrn_vm *vm);
uint16_t get_vmid_by_uuid(const uint8_t *uuid);
struct acrn_vm *get_vm_from_vmid(uint16_t vm_id);

249
hypervisor/include/common/hypercall.h
View File

@ -28,12 +28,14 @@ bool is_hypercall_from_ring0(void);
* The function offline specific vcpu from SOS.
*
* @param vm Pointer to VM data structure
* @param lapicid lapic id of the vcpu which wants to offline
* @param target_vm not used
* @param param1 lapic id of the vcpu which wants to offline
* @param param2 not used
*
* @pre Pointer vm shall point to SOS_VM
* @return 0 on success, non-zero on error.
*/
int32_t hcall_sos_offline_cpu(struct acrn_vm *vm, uint64_t lapicid);
int32_t hcall_sos_offline_cpu(struct acrn_vm *vm, struct acrn_vm *target_vm, uint64_t param1, uint64_t param2);
/**
* @brief Get hypervisor api version
@ -41,14 +43,15 @@ int32_t hcall_sos_offline_cpu(struct acrn_vm *vm, uint64_t lapicid);
* The function only return api version information when VM is SOS_VM.
*
* @param vm Pointer to VM data structure
* @param param guest physical memory address. The api version returned
* @param target_vm not used
* @param param1 guest physical memory address. The api version returned
* will be copied to this gpa
* @param param2 not used
*
* @pre Pointer vm shall point to SOS_VM
* @return 0 on success, non-zero on error.
*/
int32_t hcall_get_api_version(struct acrn_vm *vm, uint64_t param);
int32_t hcall_get_api_version(struct acrn_vm *vm, struct acrn_vm *target_vm, uint64_t param1, uint64_t param2);
/**
* @brief Get basic platform information.
@ -57,12 +60,14 @@ int32_t hcall_get_api_version(struct acrn_vm *vm, uint64_t param);
* for the current platform.
*
* @param vm Pointer to VM data structure.
* @param param GPA pointer to struct hc_platform_info.
* @param target_vm not used
* @param param1 GPA pointer to struct hc_platform_info.
* @param param2 not used
*
* @pre Pointer vm shall point to SOS_VM
* @return 0 on success, -1 in case of error.
*/
int32_t hcall_get_platform_info(struct acrn_vm *vm, uint64_t param);
int32_t hcall_get_platform_info(struct acrn_vm *vm, struct acrn_vm *target_vm, uint64_t param1, uint64_t param2);
/**
* @brief create virtual machine
@ -72,13 +77,15 @@ int32_t hcall_get_platform_info(struct acrn_vm *vm, uint64_t param);
* support later.
*
* @param vm Pointer to VM data structure
* @param param guest physical memory address. This gpa points to
* @param target_vm Pointer to target VM data structure
* @param param1 guest physical memory address. This gpa points to
* struct acrn_create_vm
* @param param2 not used
*
* @pre Pointer vm shall point to SOS_VM
* @return 0 on success, non-zero on error.
*/
int32_t hcall_create_vm(struct acrn_vm *vm, uint64_t param);
int32_t hcall_create_vm(struct acrn_vm *vm, struct acrn_vm *target_vm, uint64_t param1, uint64_t param2);
/**
* @brief destroy virtual machine
@ -86,11 +93,14 @@ int32_t hcall_create_vm(struct acrn_vm *vm, uint64_t param);
* Destroy a virtual machine, it will pause target VM then shutdown it.
* The function will return -1 if the target VM does not exist.
*
* @param vmid ID of the VM
* @param vm not used
* @param target_vm Pointer to target VM data structure
* @param param1 not used
* @param param2 not used
*
* @return 0 on success, non-zero on error.
*/
int32_t hcall_destroy_vm(uint16_t vmid);
int32_t hcall_destroy_vm(struct acrn_vm *vm, struct acrn_vm *target_vm, uint64_t param1, uint64_t param2);
/**
* @brief reset virtual machine
@ -100,11 +110,14 @@ int32_t hcall_destroy_vm(uint16_t vmid);
* each vcpu state and do some initialization for guest.
* The function will return -1 if the target VM does not exist.
*
* @param vmid ID of the VM
* @param vm not used
* @param target_vm Pointer to target VM data structure
* @param param1 not used
* @param param2 not used
*
* @return 0 on success, non-zero on error.
*/
int32_t hcall_reset_vm(uint16_t vmid);
int32_t hcall_reset_vm(struct acrn_vm *vm, struct acrn_vm *target_vm, uint64_t param1, uint64_t param2);
/**
* @brief start virtual machine
@ -113,11 +126,14 @@ int32_t hcall_reset_vm(uint16_t vmid);
* The function will return -1 if the target VM does not exist or the
* IOReq buffer page for the VM is not ready.
*
* @param vmid ID of the VM
* @param vm not used
* @param target_vm Pointer to target VM data structure
* @param param1 not used
* @param param2 not used
*
* @return 0 on success, non-zero on error.
*/
int32_t hcall_start_vm(uint16_t vmid);
int32_t hcall_start_vm(struct acrn_vm *vm, struct acrn_vm *target_vm, uint64_t param1, uint64_t param2);
/**
* @brief pause virtual machine
@ -126,11 +142,14 @@ int32_t hcall_start_vm(uint16_t vmid);
* will return 0 directly for success.
* The function will return -1 if the target VM does not exist.
*
* @param vmid ID of the VM
* @param vm not used
* @param target_vm Pointer to target VM data structure
* @param param1 not used
* @param param2 not used
*
* @return 0 on success, non-zero on error.
*/
int32_t hcall_pause_vm(uint16_t vmid);
int32_t hcall_pause_vm(struct acrn_vm *vm, struct acrn_vm *target_vm, uint64_t param1, uint64_t param2);
/**
* @brief set vcpu regs
@ -140,13 +159,14 @@ int32_t hcall_pause_vm(uint16_t vmid);
* The function will return -1 if the targat VM or BSP doesn't exist.
*
* @param vm Pointer to VM data structure
* @param vmid ID of the VM
* @param param guest physical address. This gpa points to
* @param target_vm Pointer to target VM data structure
* @param param1 not used
* @param param2 guest physical address. This gpa points to
* struct acrn_vcpu_regs
*
* @return 0 on success, non-zero on error.
*/
int32_t hcall_set_vcpu_regs(struct acrn_vm *vm, uint16_t vmid, uint64_t param);
int32_t hcall_set_vcpu_regs(struct acrn_vm *vm, struct acrn_vm *target_vm, uint64_t param1, uint64_t param2);
/**
* @brief set or clear IRQ line
@ -156,14 +176,15 @@ int32_t hcall_set_vcpu_regs(struct acrn_vm *vm, uint16_t vmid, uint64_t param);
* The function will return -1 if the target VM does not exist.
*
* @param vm Pointer to VM data structure
* @param vmid ID of the VM
* @param ops request command for IRQ set or clear
* @param target_vm Pointer to target VM data structure
* @param param1 not used
* @param param2 info for irqline
*
* @pre Pointer vm shall point to SOS_VM
* @return 0 on success, non-zero on error.
*/
int32_t hcall_set_irqline(const struct acrn_vm *vm, uint16_t vmid,
const struct acrn_irqline_ops *ops);
int32_t hcall_set_irqline(struct acrn_vm *vm, struct acrn_vm *target_vm, uint64_t param1, uint64_t param2);
/**
* @brief inject MSI interrupt
*
@ -171,13 +192,14 @@ int32_t hcall_set_irqline(const struct acrn_vm *vm, uint16_t vmid,
* The function will return -1 if the target VM does not exist.
*
* @param vm Pointer to VM data structure
* @param vmid ID of the VM
* @param param guest physical address. This gpa points to struct acrn_msi_entry
* @param target_vm Pointer to target VM data structure
* @param param1 not used
* @param param2 guest physical address. This gpa points to struct acrn_msi_entry
*
* @pre Pointer vm shall point to SOS_VM
* @return 0 on success, non-zero on error.
*/
int32_t hcall_inject_msi(struct acrn_vm *vm, uint16_t vmid, uint64_t param);
int32_t hcall_inject_msi(struct acrn_vm *vm, struct acrn_vm *target_vm, uint64_t param1, uint64_t param2);
/**
* @brief set ioreq shared buffer
@ -186,14 +208,15 @@ int32_t hcall_inject_msi(struct acrn_vm *vm, uint16_t vmid, uint64_t param);
* The function will return -1 if the target VM does not exist.
*
* @param vm Pointer to VM data structure
* @param vmid ID of the VM
* @param param guest physical address. This gpa points to
* @param target_vm Pointer to target VM data structure
* @param param1 not used
* @param param2 guest physical address. This gpa points to
* struct acrn_set_ioreq_buffer
*
* @pre Pointer vm shall point to SOS_VM
* @return 0 on success, non-zero on error.
*/
int32_t hcall_set_ioreq_buffer(struct acrn_vm *vm, uint16_t vmid, uint64_t param);
int32_t hcall_set_ioreq_buffer(struct acrn_vm *vm, struct acrn_vm *target_vm, uint64_t param1, uint64_t param2);
/**
* @brief notify request done
@ -201,37 +224,42 @@ int32_t hcall_set_ioreq_buffer(struct acrn_vm *vm, uint16_t vmid, uint64_t param
* Notify the requestor VCPU for the completion of an ioreq.
* The function will return -1 if the target VM does not exist.
*
* @param vmid ID of the VM
* @param vcpu_id vcpu ID of the requestor
* @param vm not used
* @param target_vm Pointer to target VM data structure
* @param param1 not used
* @param param2 vcpu ID of the requestor
*
* @return 0 on success, non-zero on error.
*/
int32_t hcall_notify_ioreq_finish(uint16_t vmid, uint16_t vcpu_id);
int32_t hcall_notify_ioreq_finish(struct acrn_vm *vm, struct acrn_vm *target_vm, uint64_t param1, uint64_t param2);
/**
* @brief setup ept memory mapping for multi regions
*
* @param vm Pointer to VM data structure
* @param param guest physical address. This gpa points to
* @param target_vm Pointer to target VM data structure
* @param param1 guest physical address. This gpa points to
* struct set_memmaps
* @param param2 not used
*
* @pre Pointer vm shall point to SOS_VM
* @return 0 on success, non-zero on error.
*/
int32_t hcall_set_vm_memory_regions(struct acrn_vm *vm, uint64_t param);
int32_t hcall_set_vm_memory_regions(struct acrn_vm *vm, struct acrn_vm *target_vm, uint64_t param1, uint64_t param2);
/**
* @brief change guest memory page write permission
*
* @param vm Pointer to VM data structure
* @param vmid ID of the VM
* @param wp_gpa guest physical address. This gpa points to
* @param target_vm Pointer to target VM data structure
* @param param1 not used
* @param param2 guest physical address. This gpa points to
* struct wp_data
*
* @pre Pointer vm shall point to SOS_VM
* @return 0 on success, non-zero on error.
*/
int32_t hcall_write_protect_page(struct acrn_vm *vm, uint16_t vmid, uint64_t wp_gpa);
int32_t hcall_write_protect_page(struct acrn_vm *vm, struct acrn_vm *target_vm, uint64_t param1, uint64_t param2);
/**
* @brief translate guest physical address to host physical address
@ -240,131 +268,125 @@ int32_t hcall_write_protect_page(struct acrn_vm *vm, uint16_t vmid, uint64_t wp_
* The function will return -1 if the target VM does not exist.
*
* @param vm Pointer to VM data structure
* @param vmid ID of the VM
* @param param guest physical address. This gpa points to struct vm_gpa2hpa
* @param target_vm Pointer to target VM data structure
* @param param1 not used
* @param param2 guest physical address. This gpa points to struct vm_gpa2hpa
*
* @pre Pointer vm shall point to SOS_VM
* @return 0 on success, non-zero on error.
*/
int32_t hcall_gpa_to_hpa(struct acrn_vm *vm, uint16_t vmid, uint64_t param);
int32_t hcall_gpa_to_hpa(struct acrn_vm *vm, struct acrn_vm *target_vm, uint64_t param1, uint64_t param2);
/**
* @brief Assign one PCI dev to VM.
*
* @param vm Pointer to VM data structure
* @param vmid ID of the VM
* @param param guest physical address. This gpa points to data structure of
* @param target_vm Pointer to target VM data structure
* @param param1 not used
* @param param2 guest physical address. This gpa points to data structure of
* acrn_assign_pcidev including assign PCI device info
*
* @pre Pointer vm shall point to SOS_VM
* @return 0 on success, non-zero on error.
*/
int32_t hcall_assign_pcidev(struct acrn_vm *vm, uint16_t vmid, uint64_t param);
int32_t hcall_assign_pcidev(struct acrn_vm *vm, struct acrn_vm *target_vm, uint64_t param1, uint64_t param2);
/**
* @brief Deassign one PCI dev to VM.
*
* @param vm Pointer to VM data structure
* @param vmid ID of the VM
* @param param guest physical address. This gpa points to data structure of
* @param target_vm Pointer to target VM data structure
* @param param1 not used
* @param param2 guest physical address. This gpa points to data structure of
* acrn_assign_pcidev including deassign PCI device info
*
* @pre Pointer vm shall point to SOS_VM
* @return 0 on success, non-zero on error.
*/
int32_t hcall_deassign_pcidev(struct acrn_vm *vm, uint16_t vmid, uint64_t param);
int32_t hcall_deassign_pcidev(struct acrn_vm *vm, struct acrn_vm *target_vm, uint64_t param1, uint64_t param2);
/**
* @brief Assign one MMIO dev to VM.
*
* @param vm Pointer to VM data structure
* @param vmid ID of the VM
* @param param guest physical address. This gpa points to data structure of
* @param target_vm Pointer to target VM data structure
* @param param1 not used
* @param param2 guest physical address. This gpa points to data structure of
* acrn_mmiodev including assign MMIO device info
*
* @pre Pointer vm shall point to SOS_VM
* @return 0 on success, non-zero on error.
*/
int32_t hcall_assign_mmiodev(struct acrn_vm *vm, uint16_t vmid, uint64_t param);
int32_t hcall_assign_mmiodev(struct acrn_vm *vm, struct acrn_vm *target_vm, uint64_t param1, uint64_t param2);
/**
* @brief Deassign one MMIO dev to VM.
*
* @param vm Pointer to VM data structure
* @param vmid ID of the VM
* @param param guest physical address. This gpa points to data structure of
* @param target_vm Pointer to target VM data structure
* @param param1 not used
* @param param2 guest physical address. This gpa points to data structure of
* acrn_mmiodev including deassign MMIO device info
*
* @pre Pointer vm shall point to SOS_VM
* @return 0 on success, non-zero on error.
*/
int32_t hcall_deassign_mmiodev(struct acrn_vm *vm, uint16_t vmid, uint64_t param);
int32_t hcall_deassign_mmiodev(struct acrn_vm *vm, struct acrn_vm *target_vm, uint64_t param1, uint64_t param2);
/**
* @brief Set interrupt mapping info of ptdev.
*
* @param vm Pointer to VM data structure
* @param vmid ID of the VM
* @param param guest physical address. This gpa points to data structure of
* @param target_vm Pointer to target VM data structure
* @param param1 not used
* @param param2 guest physical address. This gpa points to data structure of
* hc_ptdev_irq including intr remapping info
*
* @pre Pointer vm shall point to SOS_VM
* @return 0 on success, non-zero on error.
*/
int32_t hcall_set_ptdev_intr_info(struct acrn_vm *vm, uint16_t vmid, uint64_t param);
int32_t hcall_set_ptdev_intr_info(struct acrn_vm *vm, struct acrn_vm *target_vm, uint64_t param1, uint64_t param2);
/**
* @brief Clear interrupt mapping info of ptdev.
*
* @param vm Pointer to VM data structure
* @param vmid ID of the VM
* @param param guest physical address. This gpa points to data structure of
* @param target_vm Pointer to target VM data structure
* @param param1 not used
* @param param2 guest physical address. This gpa points to data structure of
* hc_ptdev_irq including intr remapping info
*
* @pre Pointer vm shall point to SOS_VM
* @return 0 on success, non-zero on error.
*/
int32_t hcall_reset_ptdev_intr_info(struct acrn_vm *vm, uint16_t vmid,
uint64_t param);
/**
* @brief Setup hypervisor debug infrastructure, such as share buffer, NPK log and profiling.
*
* @param vm Pointer to VM data structure
* @param param1 hypercall param1 from guest
* @param param2 hypercall param2 from guest
* @param hypcall_id hypercall ID from guest
*
* @pre Pointer vm shall point to SOS_VM
* @return 0 on success, non-zero on error.
*/
int32_t hcall_debug(struct acrn_vm *vm, uint64_t param1, uint64_t param2, uint64_t hypcall_id);
int32_t hcall_reset_ptdev_intr_info(struct acrn_vm *vm, struct acrn_vm *target_vm, uint64_t param1, uint64_t param2);
/**
* @brief Get VCPU Power state.
*
* @param vm pointer to VM data structure
* @param cmd cmd to show get which VCPU power state data
* @param param VCPU power state data
* @param target_vm Pointer to target VM data structure
* @param param1 cmd to show get which VCPU power state data
* @param param2 VCPU power state data
*
* @pre Pointer vm shall point to SOS_VM
* @return 0 on success, non-zero on error.
*/
int32_t hcall_get_cpu_pm_state(struct acrn_vm *vm, uint64_t cmd, uint64_t param);
int32_t hcall_get_cpu_pm_state(struct acrn_vm *vm, struct acrn_vm *target_vm, uint64_t param1, uint64_t param2);
/**
* @brief Get VCPU a VM's interrupt count data.
*
* @param vm pointer to VM data structure
* @param vmid id of the VM
* @param param guest physical address. This gpa points to data structure of
* @param target_vm Pointer to target VM data structure
* @param param1 not used
* @param param2 guest physical address. This gpa points to data structure of
* acrn_intr_monitor
*
* @pre Pointer vm shall point to SOS_VM
* @return 0 on success, non-zero on error.
*/
int32_t hcall_vm_intr_monitor(struct acrn_vm *vm, uint16_t vmid, uint64_t param);
int32_t hcall_vm_intr_monitor(struct acrn_vm *vm, struct acrn_vm *target_vm, uint64_t param1, uint64_t param2);
/**
* @defgroup trusty_hypercall Trusty Hypercalls
@ -429,14 +451,75 @@ int32_t hcall_save_restore_sworld_ctx(struct acrn_vcpu *vcpu);
* not called, the hypervisor will use the default notifier vector(0xF7)
* to notify the SOS kernel.
*
* @param vm Pointer to VM data structure
* @param param the expected notifier vector from guest
* @param vm not used
* @param target_vm not used
* @param param1 the expected notifier vector from guest
* @param param2 not used
*
* @pre Pointer vm shall point to SOS_VM
* @return 0 on success, non-zero on error.
*/
int32_t hcall_set_callback_vector(__unused const struct acrn_vm *vm, uint64_t param);
int32_t hcall_set_callback_vector(struct acrn_vm *vm, struct acrn_vm *target_vm, uint64_t param1, uint64_t param2);
/**
* @brief Setup a share buffer for a VM.
*
* @param vm Pointer to VM data structure
* @param target_vm not used
* @param param1 guest physical address. This gpa points to
* struct sbuf_setup_param
* @param param2 not used
*
* @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, struct acrn_vm *target_vm, uint64_t param1, uint64_t param2);
/**
* @brief Setup the hypervisor NPK log.
*
* @param vm Pointer to VM data structure
* @param target_vm not used
* @param param1 guest physical address. This gpa points to
* struct hv_npk_log_param
* @param param2 not used
*
* @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, struct acrn_vm *target_vm, uint64_t param1, uint64_t param2);
/**
* @brief Get hardware related info
*
* @param vm Pointer to vm data structure
* @param target_vm not used
* @param param1 Guest physical address pointing to struct acrn_hw_info
* @param param2 not used
*
* @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, struct acrn_vm *target_vm, uint64_t param1, uint64_t param2);
/**
* @brief Execute profiling operation
*
* @param vm Pointer to VM data structure
* @param target_vm not used
* @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, struct acrn_vm *target_vm, uint64_t param1, uint64_t param2);
int32_t hcall_create_vcpu(struct acrn_vm *vm, struct acrn_vm *target_vm, uint64_t param1, uint64_t param2);
/**
* @}
*/

1
hypervisor/include/public/acrn_hv_defs.h
View File

@ -20,6 +20,7 @@
*/
#define BASE_HC_ID(x, y) (((x)<<24U)|(y))
#define HC_IDX(id) ((id)&(0xFFUL))
#define HC_ID 0x80UL

22
hypervisor/release/hypercall.c
View File

@ -8,8 +8,26 @@
#include <errno.h>
#include <vm.h>
int32_t hcall_debug(__unused struct acrn_vm *vm, __unused uint64_t param1, __unused uint64_t param2,
__unused uint64_t hypcall_id)
int32_t hcall_setup_sbuf(__unused struct acrn_vm *vm, __unused struct acrn_vm *target_vm,
__unused uint64_t param1, __unused uint64_t param2)
{
return -EPERM;
}
int32_t hcall_setup_hv_npk_log(__unused struct acrn_vm *vm, __unused struct acrn_vm *target_vm,
__unused uint64_t param1, __unused uint64_t param2)
{
return -EPERM;
}
int32_t hcall_get_hw_info(__unused struct acrn_vm *vm, __unused struct acrn_vm *target_vm,
__unused uint64_t param1, __unused uint64_t param2)
{
return -EPERM;
}
int32_t hcall_profiling_ops(__unused struct acrn_vm *vm, __unused struct acrn_vm *target_vm,
__unused uint64_t param1, __unused uint64_t param2)
{
return -EPERM;
}