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-rw-r--r--tools/testing/selftests/kvm/lib/aarch64/processor.c71
-rw-r--r--tools/testing/selftests/kvm/lib/aarch64/vgic.c4
-rw-r--r--tools/testing/selftests/kvm/lib/elf.c2
-rw-r--r--tools/testing/selftests/kvm/lib/guest_modes.c50
-rw-r--r--tools/testing/selftests/kvm/lib/kvm_util.c244
-rw-r--r--tools/testing/selftests/kvm/lib/memstress.c5
-rw-r--r--tools/testing/selftests/kvm/lib/riscv/processor.c51
-rw-r--r--tools/testing/selftests/kvm/lib/riscv/ucall.c26
-rw-r--r--tools/testing/selftests/kvm/lib/s390x/processor.c2
-rw-r--r--tools/testing/selftests/kvm/lib/test_util.c25
-rw-r--r--tools/testing/selftests/kvm/lib/userfaultfd_util.c2
-rw-r--r--tools/testing/selftests/kvm/lib/x86_64/processor.c21
-rw-r--r--tools/testing/selftests/kvm/lib/x86_64/vmx.c6
13 files changed, 325 insertions, 184 deletions
diff --git a/tools/testing/selftests/kvm/lib/aarch64/processor.c b/tools/testing/selftests/kvm/lib/aarch64/processor.c
index 6fe12e985b..43b9a72833 100644
--- a/tools/testing/selftests/kvm/lib/aarch64/processor.c
+++ b/tools/testing/selftests/kvm/lib/aarch64/processor.c
@@ -12,6 +12,7 @@
#include "kvm_util.h"
#include "processor.h"
#include <linux/bitfield.h>
+#include <linux/sizes.h>
#define DEFAULT_ARM64_GUEST_STACK_VADDR_MIN 0xac0000
@@ -58,13 +59,25 @@ static uint64_t pte_index(struct kvm_vm *vm, vm_vaddr_t gva)
return (gva >> vm->page_shift) & mask;
}
+static inline bool use_lpa2_pte_format(struct kvm_vm *vm)
+{
+ return (vm->page_size == SZ_4K || vm->page_size == SZ_16K) &&
+ (vm->pa_bits > 48 || vm->va_bits > 48);
+}
+
static uint64_t addr_pte(struct kvm_vm *vm, uint64_t pa, uint64_t attrs)
{
uint64_t pte;
- pte = pa & GENMASK(47, vm->page_shift);
- if (vm->page_shift == 16)
- pte |= FIELD_GET(GENMASK(51, 48), pa) << 12;
+ if (use_lpa2_pte_format(vm)) {
+ pte = pa & GENMASK(49, vm->page_shift);
+ pte |= FIELD_GET(GENMASK(51, 50), pa) << 8;
+ attrs &= ~GENMASK(9, 8);
+ } else {
+ pte = pa & GENMASK(47, vm->page_shift);
+ if (vm->page_shift == 16)
+ pte |= FIELD_GET(GENMASK(51, 48), pa) << 12;
+ }
pte |= attrs;
return pte;
@@ -74,9 +87,14 @@ static uint64_t pte_addr(struct kvm_vm *vm, uint64_t pte)
{
uint64_t pa;
- pa = pte & GENMASK(47, vm->page_shift);
- if (vm->page_shift == 16)
- pa |= FIELD_GET(GENMASK(15, 12), pte) << 48;
+ if (use_lpa2_pte_format(vm)) {
+ pa = pte & GENMASK(49, vm->page_shift);
+ pa |= FIELD_GET(GENMASK(9, 8), pte) << 50;
+ } else {
+ pa = pte & GENMASK(47, vm->page_shift);
+ if (vm->page_shift == 16)
+ pa |= FIELD_GET(GENMASK(15, 12), pte) << 48;
+ }
return pa;
}
@@ -266,9 +284,6 @@ void aarch64_vcpu_setup(struct kvm_vcpu *vcpu, struct kvm_vcpu_init *init)
/* Configure base granule size */
switch (vm->mode) {
- case VM_MODE_P52V48_4K:
- TEST_FAIL("AArch64 does not support 4K sized pages "
- "with 52-bit physical address ranges");
case VM_MODE_PXXV48_4K:
TEST_FAIL("AArch64 does not support 4K sized pages "
"with ANY-bit physical address ranges");
@@ -278,12 +293,14 @@ void aarch64_vcpu_setup(struct kvm_vcpu *vcpu, struct kvm_vcpu_init *init)
case VM_MODE_P36V48_64K:
tcr_el1 |= 1ul << 14; /* TG0 = 64KB */
break;
+ case VM_MODE_P52V48_16K:
case VM_MODE_P48V48_16K:
case VM_MODE_P40V48_16K:
case VM_MODE_P36V48_16K:
case VM_MODE_P36V47_16K:
tcr_el1 |= 2ul << 14; /* TG0 = 16KB */
break;
+ case VM_MODE_P52V48_4K:
case VM_MODE_P48V48_4K:
case VM_MODE_P40V48_4K:
case VM_MODE_P36V48_4K:
@@ -297,6 +314,8 @@ void aarch64_vcpu_setup(struct kvm_vcpu *vcpu, struct kvm_vcpu_init *init)
/* Configure output size */
switch (vm->mode) {
+ case VM_MODE_P52V48_4K:
+ case VM_MODE_P52V48_16K:
case VM_MODE_P52V48_64K:
tcr_el1 |= 6ul << 32; /* IPS = 52 bits */
ttbr0_el1 |= FIELD_GET(GENMASK(51, 48), vm->pgd) << 2;
@@ -325,6 +344,8 @@ void aarch64_vcpu_setup(struct kvm_vcpu *vcpu, struct kvm_vcpu_init *init)
/* TCR_EL1 |= IRGN0:WBWA | ORGN0:WBWA | SH0:Inner-Shareable */;
tcr_el1 |= (1 << 8) | (1 << 10) | (3 << 12);
tcr_el1 |= (64 - vm->va_bits) /* T0SZ */;
+ if (use_lpa2_pte_format(vm))
+ tcr_el1 |= (1ul << 59) /* DS */;
vcpu_set_reg(vcpu, KVM_ARM64_SYS_REG(SYS_SCTLR_EL1), sctlr_el1);
vcpu_set_reg(vcpu, KVM_ARM64_SYS_REG(SYS_TCR_EL1), tcr_el1);
@@ -377,7 +398,7 @@ void vcpu_args_set(struct kvm_vcpu *vcpu, unsigned int num, ...)
int i;
TEST_ASSERT(num >= 1 && num <= 8, "Unsupported number of args,\n"
- " num: %u\n", num);
+ " num: %u", num);
va_start(ap, num);
@@ -492,12 +513,24 @@ uint32_t guest_get_vcpuid(void)
return read_sysreg(tpidr_el1);
}
-void aarch64_get_supported_page_sizes(uint32_t ipa,
- bool *ps4k, bool *ps16k, bool *ps64k)
+static uint32_t max_ipa_for_page_size(uint32_t vm_ipa, uint32_t gran,
+ uint32_t not_sup_val, uint32_t ipa52_min_val)
+{
+ if (gran == not_sup_val)
+ return 0;
+ else if (gran >= ipa52_min_val && vm_ipa >= 52)
+ return 52;
+ else
+ return min(vm_ipa, 48U);
+}
+
+void aarch64_get_supported_page_sizes(uint32_t ipa, uint32_t *ipa4k,
+ uint32_t *ipa16k, uint32_t *ipa64k)
{
struct kvm_vcpu_init preferred_init;
int kvm_fd, vm_fd, vcpu_fd, err;
uint64_t val;
+ uint32_t gran;
struct kvm_one_reg reg = {
.id = KVM_ARM64_SYS_REG(SYS_ID_AA64MMFR0_EL1),
.addr = (uint64_t)&val,
@@ -518,9 +551,17 @@ void aarch64_get_supported_page_sizes(uint32_t ipa,
err = ioctl(vcpu_fd, KVM_GET_ONE_REG, &reg);
TEST_ASSERT(err == 0, KVM_IOCTL_ERROR(KVM_GET_ONE_REG, vcpu_fd));
- *ps4k = FIELD_GET(ARM64_FEATURE_MASK(ID_AA64MMFR0_EL1_TGRAN4), val) != 0xf;
- *ps64k = FIELD_GET(ARM64_FEATURE_MASK(ID_AA64MMFR0_EL1_TGRAN64), val) == 0;
- *ps16k = FIELD_GET(ARM64_FEATURE_MASK(ID_AA64MMFR0_EL1_TGRAN16), val) != 0;
+ gran = FIELD_GET(ARM64_FEATURE_MASK(ID_AA64MMFR0_EL1_TGRAN4), val);
+ *ipa4k = max_ipa_for_page_size(ipa, gran, ID_AA64MMFR0_EL1_TGRAN4_NI,
+ ID_AA64MMFR0_EL1_TGRAN4_52_BIT);
+
+ gran = FIELD_GET(ARM64_FEATURE_MASK(ID_AA64MMFR0_EL1_TGRAN64), val);
+ *ipa64k = max_ipa_for_page_size(ipa, gran, ID_AA64MMFR0_EL1_TGRAN64_NI,
+ ID_AA64MMFR0_EL1_TGRAN64_IMP);
+
+ gran = FIELD_GET(ARM64_FEATURE_MASK(ID_AA64MMFR0_EL1_TGRAN16), val);
+ *ipa16k = max_ipa_for_page_size(ipa, gran, ID_AA64MMFR0_EL1_TGRAN16_NI,
+ ID_AA64MMFR0_EL1_TGRAN16_52_BIT);
close(vcpu_fd);
close(vm_fd);
diff --git a/tools/testing/selftests/kvm/lib/aarch64/vgic.c b/tools/testing/selftests/kvm/lib/aarch64/vgic.c
index b5f28d21a9..184378d593 100644
--- a/tools/testing/selftests/kvm/lib/aarch64/vgic.c
+++ b/tools/testing/selftests/kvm/lib/aarch64/vgic.c
@@ -38,7 +38,7 @@ int vgic_v3_setup(struct kvm_vm *vm, unsigned int nr_vcpus, uint32_t nr_irqs,
struct list_head *iter;
unsigned int nr_gic_pages, nr_vcpus_created = 0;
- TEST_ASSERT(nr_vcpus, "Number of vCPUs cannot be empty\n");
+ TEST_ASSERT(nr_vcpus, "Number of vCPUs cannot be empty");
/*
* Make sure that the caller is infact calling this
@@ -47,7 +47,7 @@ int vgic_v3_setup(struct kvm_vm *vm, unsigned int nr_vcpus, uint32_t nr_irqs,
list_for_each(iter, &vm->vcpus)
nr_vcpus_created++;
TEST_ASSERT(nr_vcpus == nr_vcpus_created,
- "Number of vCPUs requested (%u) doesn't match with the ones created for the VM (%u)\n",
+ "Number of vCPUs requested (%u) doesn't match with the ones created for the VM (%u)",
nr_vcpus, nr_vcpus_created);
/* Distributor setup */
diff --git a/tools/testing/selftests/kvm/lib/elf.c b/tools/testing/selftests/kvm/lib/elf.c
index 266f3876e1..f34d926d97 100644
--- a/tools/testing/selftests/kvm/lib/elf.c
+++ b/tools/testing/selftests/kvm/lib/elf.c
@@ -184,7 +184,7 @@ void kvm_vm_elf_load(struct kvm_vm *vm, const char *filename)
"Seek to program segment offset failed,\n"
" program header idx: %u errno: %i\n"
" offset_rv: 0x%jx\n"
- " expected: 0x%jx\n",
+ " expected: 0x%jx",
n1, errno, (intmax_t) offset_rv,
(intmax_t) phdr.p_offset);
test_read(fd, addr_gva2hva(vm, phdr.p_vaddr),
diff --git a/tools/testing/selftests/kvm/lib/guest_modes.c b/tools/testing/selftests/kvm/lib/guest_modes.c
index 1df3ce4b16..b04901e551 100644
--- a/tools/testing/selftests/kvm/lib/guest_modes.c
+++ b/tools/testing/selftests/kvm/lib/guest_modes.c
@@ -14,37 +14,33 @@ struct guest_mode guest_modes[NUM_VM_MODES];
void guest_modes_append_default(void)
{
#ifndef __aarch64__
- guest_mode_append(VM_MODE_DEFAULT, true, true);
+ guest_mode_append(VM_MODE_DEFAULT, true);
#else
{
unsigned int limit = kvm_check_cap(KVM_CAP_ARM_VM_IPA_SIZE);
- bool ps4k, ps16k, ps64k;
+ uint32_t ipa4k, ipa16k, ipa64k;
int i;
- aarch64_get_supported_page_sizes(limit, &ps4k, &ps16k, &ps64k);
+ aarch64_get_supported_page_sizes(limit, &ipa4k, &ipa16k, &ipa64k);
- vm_mode_default = NUM_VM_MODES;
+ guest_mode_append(VM_MODE_P52V48_4K, ipa4k >= 52);
+ guest_mode_append(VM_MODE_P52V48_16K, ipa16k >= 52);
+ guest_mode_append(VM_MODE_P52V48_64K, ipa64k >= 52);
- if (limit >= 52)
- guest_mode_append(VM_MODE_P52V48_64K, ps64k, ps64k);
- if (limit >= 48) {
- guest_mode_append(VM_MODE_P48V48_4K, ps4k, ps4k);
- guest_mode_append(VM_MODE_P48V48_16K, ps16k, ps16k);
- guest_mode_append(VM_MODE_P48V48_64K, ps64k, ps64k);
- }
- if (limit >= 40) {
- guest_mode_append(VM_MODE_P40V48_4K, ps4k, ps4k);
- guest_mode_append(VM_MODE_P40V48_16K, ps16k, ps16k);
- guest_mode_append(VM_MODE_P40V48_64K, ps64k, ps64k);
- if (ps4k)
- vm_mode_default = VM_MODE_P40V48_4K;
- }
- if (limit >= 36) {
- guest_mode_append(VM_MODE_P36V48_4K, ps4k, ps4k);
- guest_mode_append(VM_MODE_P36V48_16K, ps16k, ps16k);
- guest_mode_append(VM_MODE_P36V48_64K, ps64k, ps64k);
- guest_mode_append(VM_MODE_P36V47_16K, ps16k, ps16k);
- }
+ guest_mode_append(VM_MODE_P48V48_4K, ipa4k >= 48);
+ guest_mode_append(VM_MODE_P48V48_16K, ipa16k >= 48);
+ guest_mode_append(VM_MODE_P48V48_64K, ipa64k >= 48);
+
+ guest_mode_append(VM_MODE_P40V48_4K, ipa4k >= 40);
+ guest_mode_append(VM_MODE_P40V48_16K, ipa16k >= 40);
+ guest_mode_append(VM_MODE_P40V48_64K, ipa64k >= 40);
+
+ guest_mode_append(VM_MODE_P36V48_4K, ipa4k >= 36);
+ guest_mode_append(VM_MODE_P36V48_16K, ipa16k >= 36);
+ guest_mode_append(VM_MODE_P36V48_64K, ipa64k >= 36);
+ guest_mode_append(VM_MODE_P36V47_16K, ipa16k >= 36);
+
+ vm_mode_default = ipa4k >= 40 ? VM_MODE_P40V48_4K : NUM_VM_MODES;
/*
* Pick the first supported IPA size if the default
@@ -72,7 +68,7 @@ void guest_modes_append_default(void)
close(kvm_fd);
/* Starting with z13 we have 47bits of physical address */
if (info.ibc >= 0x30)
- guest_mode_append(VM_MODE_P47V64_4K, true, true);
+ guest_mode_append(VM_MODE_P47V64_4K, true);
}
#endif
#ifdef __riscv
@@ -80,9 +76,9 @@ void guest_modes_append_default(void)
unsigned int sz = kvm_check_cap(KVM_CAP_VM_GPA_BITS);
if (sz >= 52)
- guest_mode_append(VM_MODE_P52V48_4K, true, true);
+ guest_mode_append(VM_MODE_P52V48_4K, true);
if (sz >= 48)
- guest_mode_append(VM_MODE_P48V48_4K, true, true);
+ guest_mode_append(VM_MODE_P48V48_4K, true);
}
#endif
}
diff --git a/tools/testing/selftests/kvm/lib/kvm_util.c b/tools/testing/selftests/kvm/lib/kvm_util.c
index 7a8af1821f..1b197426f2 100644
--- a/tools/testing/selftests/kvm/lib/kvm_util.c
+++ b/tools/testing/selftests/kvm/lib/kvm_util.c
@@ -27,7 +27,8 @@ int open_path_or_exit(const char *path, int flags)
int fd;
fd = open(path, flags);
- __TEST_REQUIRE(fd >= 0, "%s not available (errno: %d)", path, errno);
+ __TEST_REQUIRE(fd >= 0 || errno != ENOENT, "Cannot open %s: %s", path, strerror(errno));
+ TEST_ASSERT(fd >= 0, "Failed to open '%s'", path);
return fd;
}
@@ -148,6 +149,7 @@ const char *vm_guest_mode_string(uint32_t i)
{
static const char * const strings[] = {
[VM_MODE_P52V48_4K] = "PA-bits:52, VA-bits:48, 4K pages",
+ [VM_MODE_P52V48_16K] = "PA-bits:52, VA-bits:48, 16K pages",
[VM_MODE_P52V48_64K] = "PA-bits:52, VA-bits:48, 64K pages",
[VM_MODE_P48V48_4K] = "PA-bits:48, VA-bits:48, 4K pages",
[VM_MODE_P48V48_16K] = "PA-bits:48, VA-bits:48, 16K pages",
@@ -173,6 +175,7 @@ const char *vm_guest_mode_string(uint32_t i)
const struct vm_guest_mode_params vm_guest_mode_params[] = {
[VM_MODE_P52V48_4K] = { 52, 48, 0x1000, 12 },
+ [VM_MODE_P52V48_16K] = { 52, 48, 0x4000, 14 },
[VM_MODE_P52V48_64K] = { 52, 48, 0x10000, 16 },
[VM_MODE_P48V48_4K] = { 48, 48, 0x1000, 12 },
[VM_MODE_P48V48_16K] = { 48, 48, 0x4000, 14 },
@@ -209,7 +212,7 @@ __weak void vm_vaddr_populate_bitmap(struct kvm_vm *vm)
(1ULL << (vm->va_bits - 1)) >> vm->page_shift);
}
-struct kvm_vm *____vm_create(enum vm_guest_mode mode)
+struct kvm_vm *____vm_create(struct vm_shape shape)
{
struct kvm_vm *vm;
@@ -221,13 +224,13 @@ struct kvm_vm *____vm_create(enum vm_guest_mode mode)
vm->regions.hva_tree = RB_ROOT;
hash_init(vm->regions.slot_hash);
- vm->mode = mode;
- vm->type = 0;
+ vm->mode = shape.mode;
+ vm->type = shape.type;
- vm->pa_bits = vm_guest_mode_params[mode].pa_bits;
- vm->va_bits = vm_guest_mode_params[mode].va_bits;
- vm->page_size = vm_guest_mode_params[mode].page_size;
- vm->page_shift = vm_guest_mode_params[mode].page_shift;
+ vm->pa_bits = vm_guest_mode_params[vm->mode].pa_bits;
+ vm->va_bits = vm_guest_mode_params[vm->mode].va_bits;
+ vm->page_size = vm_guest_mode_params[vm->mode].page_size;
+ vm->page_shift = vm_guest_mode_params[vm->mode].page_shift;
/* Setup mode specific traits. */
switch (vm->mode) {
@@ -251,6 +254,7 @@ struct kvm_vm *____vm_create(enum vm_guest_mode mode)
case VM_MODE_P36V48_64K:
vm->pgtable_levels = 3;
break;
+ case VM_MODE_P52V48_16K:
case VM_MODE_P48V48_16K:
case VM_MODE_P40V48_16K:
case VM_MODE_P36V48_16K:
@@ -265,7 +269,7 @@ struct kvm_vm *____vm_create(enum vm_guest_mode mode)
/*
* Ignore KVM support for 5-level paging (vm->va_bits == 57),
* it doesn't take effect unless a CR4.LA57 is set, which it
- * isn't for this VM_MODE.
+ * isn't for this mode (48-bit virtual address space).
*/
TEST_ASSERT(vm->va_bits == 48 || vm->va_bits == 57,
"Linear address width (%d bits) not supported",
@@ -285,10 +289,11 @@ struct kvm_vm *____vm_create(enum vm_guest_mode mode)
vm->pgtable_levels = 5;
break;
default:
- TEST_FAIL("Unknown guest mode, mode: 0x%x", mode);
+ TEST_FAIL("Unknown guest mode: 0x%x", vm->mode);
}
#ifdef __aarch64__
+ TEST_ASSERT(!vm->type, "ARM doesn't support test-provided types");
if (vm->pa_bits != 40)
vm->type = KVM_VM_TYPE_ARM_IPA_SIZE(vm->pa_bits);
#endif
@@ -316,7 +321,7 @@ static uint64_t vm_nr_pages_required(enum vm_guest_mode mode,
uint64_t nr_pages;
TEST_ASSERT(nr_runnable_vcpus,
- "Use vm_create_barebones() for VMs that _never_ have vCPUs\n");
+ "Use vm_create_barebones() for VMs that _never_ have vCPUs");
TEST_ASSERT(nr_runnable_vcpus <= kvm_check_cap(KVM_CAP_MAX_VCPUS),
"nr_vcpus = %d too large for host, max-vcpus = %d",
@@ -347,19 +352,19 @@ static uint64_t vm_nr_pages_required(enum vm_guest_mode mode,
return vm_adjust_num_guest_pages(mode, nr_pages);
}
-struct kvm_vm *__vm_create(enum vm_guest_mode mode, uint32_t nr_runnable_vcpus,
+struct kvm_vm *__vm_create(struct vm_shape shape, uint32_t nr_runnable_vcpus,
uint64_t nr_extra_pages)
{
- uint64_t nr_pages = vm_nr_pages_required(mode, nr_runnable_vcpus,
+ uint64_t nr_pages = vm_nr_pages_required(shape.mode, nr_runnable_vcpus,
nr_extra_pages);
struct userspace_mem_region *slot0;
struct kvm_vm *vm;
int i;
- pr_debug("%s: mode='%s' pages='%ld'\n", __func__,
- vm_guest_mode_string(mode), nr_pages);
+ pr_debug("%s: mode='%s' type='%d', pages='%ld'\n", __func__,
+ vm_guest_mode_string(shape.mode), shape.type, nr_pages);
- vm = ____vm_create(mode);
+ vm = ____vm_create(shape);
vm_userspace_mem_region_add(vm, VM_MEM_SRC_ANONYMOUS, 0, 0, nr_pages, 0);
for (i = 0; i < NR_MEM_REGIONS; i++)
@@ -400,7 +405,7 @@ struct kvm_vm *__vm_create(enum vm_guest_mode mode, uint32_t nr_runnable_vcpus,
* extra_mem_pages is only used to calculate the maximum page table size,
* no real memory allocation for non-slot0 memory in this function.
*/
-struct kvm_vm *__vm_create_with_vcpus(enum vm_guest_mode mode, uint32_t nr_vcpus,
+struct kvm_vm *__vm_create_with_vcpus(struct vm_shape shape, uint32_t nr_vcpus,
uint64_t extra_mem_pages,
void *guest_code, struct kvm_vcpu *vcpus[])
{
@@ -409,7 +414,7 @@ struct kvm_vm *__vm_create_with_vcpus(enum vm_guest_mode mode, uint32_t nr_vcpus
TEST_ASSERT(!nr_vcpus || vcpus, "Must provide vCPU array");
- vm = __vm_create(mode, nr_vcpus, extra_mem_pages);
+ vm = __vm_create(shape, nr_vcpus, extra_mem_pages);
for (i = 0; i < nr_vcpus; ++i)
vcpus[i] = vm_vcpu_add(vm, i, guest_code);
@@ -417,15 +422,15 @@ struct kvm_vm *__vm_create_with_vcpus(enum vm_guest_mode mode, uint32_t nr_vcpus
return vm;
}
-struct kvm_vm *__vm_create_with_one_vcpu(struct kvm_vcpu **vcpu,
- uint64_t extra_mem_pages,
- void *guest_code)
+struct kvm_vm *__vm_create_shape_with_one_vcpu(struct vm_shape shape,
+ struct kvm_vcpu **vcpu,
+ uint64_t extra_mem_pages,
+ void *guest_code)
{
struct kvm_vcpu *vcpus[1];
struct kvm_vm *vm;
- vm = __vm_create_with_vcpus(VM_MODE_DEFAULT, 1, extra_mem_pages,
- guest_code, vcpus);
+ vm = __vm_create_with_vcpus(shape, 1, extra_mem_pages, guest_code, vcpus);
*vcpu = vcpus[0];
return vm;
@@ -453,8 +458,9 @@ void kvm_vm_restart(struct kvm_vm *vmp)
vm_create_irqchip(vmp);
hash_for_each(vmp->regions.slot_hash, ctr, region, slot_node) {
- int ret = ioctl(vmp->fd, KVM_SET_USER_MEMORY_REGION, &region->region);
- TEST_ASSERT(ret == 0, "KVM_SET_USER_MEMORY_REGION IOCTL failed,\n"
+ int ret = ioctl(vmp->fd, KVM_SET_USER_MEMORY_REGION2, &region->region);
+
+ TEST_ASSERT(ret == 0, "KVM_SET_USER_MEMORY_REGION2 IOCTL failed,\n"
" rc: %i errno: %i\n"
" slot: %u flags: 0x%x\n"
" guest_phys_addr: 0x%llx size: 0x%llx",
@@ -486,7 +492,7 @@ void kvm_pin_this_task_to_pcpu(uint32_t pcpu)
CPU_ZERO(&mask);
CPU_SET(pcpu, &mask);
r = sched_setaffinity(0, sizeof(mask), &mask);
- TEST_ASSERT(!r, "sched_setaffinity() failed for pCPU '%u'.\n", pcpu);
+ TEST_ASSERT(!r, "sched_setaffinity() failed for pCPU '%u'.", pcpu);
}
static uint32_t parse_pcpu(const char *cpu_str, const cpu_set_t *allowed_mask)
@@ -494,7 +500,7 @@ static uint32_t parse_pcpu(const char *cpu_str, const cpu_set_t *allowed_mask)
uint32_t pcpu = atoi_non_negative("CPU number", cpu_str);
TEST_ASSERT(CPU_ISSET(pcpu, allowed_mask),
- "Not allowed to run on pCPU '%d', check cgroups?\n", pcpu);
+ "Not allowed to run on pCPU '%d', check cgroups?", pcpu);
return pcpu;
}
@@ -524,7 +530,7 @@ void kvm_parse_vcpu_pinning(const char *pcpus_string, uint32_t vcpu_to_pcpu[],
int i, r;
cpu_list = strdup(pcpus_string);
- TEST_ASSERT(cpu_list, "strdup() allocation failed.\n");
+ TEST_ASSERT(cpu_list, "strdup() allocation failed.");
r = sched_getaffinity(0, sizeof(allowed_mask), &allowed_mask);
TEST_ASSERT(!r, "sched_getaffinity() failed");
@@ -533,7 +539,7 @@ void kvm_parse_vcpu_pinning(const char *pcpus_string, uint32_t vcpu_to_pcpu[],
/* 1. Get all pcpus for vcpus. */
for (i = 0; i < nr_vcpus; i++) {
- TEST_ASSERT(cpu, "pCPU not provided for vCPU '%d'\n", i);
+ TEST_ASSERT(cpu, "pCPU not provided for vCPU '%d'", i);
vcpu_to_pcpu[i] = parse_pcpu(cpu, &allowed_mask);
cpu = strtok(NULL, delim);
}
@@ -590,35 +596,6 @@ userspace_mem_region_find(struct kvm_vm *vm, uint64_t start, uint64_t end)
return NULL;
}
-/*
- * KVM Userspace Memory Region Find
- *
- * Input Args:
- * vm - Virtual Machine
- * start - Starting VM physical address
- * end - Ending VM physical address, inclusive.
- *
- * Output Args: None
- *
- * Return:
- * Pointer to overlapping region, NULL if no such region.
- *
- * Public interface to userspace_mem_region_find. Allows tests to look up
- * the memslot datastructure for a given range of guest physical memory.
- */
-struct kvm_userspace_memory_region *
-kvm_userspace_memory_region_find(struct kvm_vm *vm, uint64_t start,
- uint64_t end)
-{
- struct userspace_mem_region *region;
-
- region = userspace_mem_region_find(vm, start, end);
- if (!region)
- return NULL;
-
- return &region->region;
-}
-
__weak void vcpu_arch_free(struct kvm_vcpu *vcpu)
{
@@ -686,7 +663,7 @@ static void __vm_mem_region_delete(struct kvm_vm *vm,
}
region->region.memory_size = 0;
- vm_ioctl(vm, KVM_SET_USER_MEMORY_REGION, &region->region);
+ vm_ioctl(vm, KVM_SET_USER_MEMORY_REGION2, &region->region);
sparsebit_free(&region->unused_phy_pages);
ret = munmap(region->mmap_start, region->mmap_size);
@@ -697,6 +674,8 @@ static void __vm_mem_region_delete(struct kvm_vm *vm,
TEST_ASSERT(!ret, __KVM_SYSCALL_ERROR("munmap()", ret));
close(region->fd);
}
+ if (region->region.guest_memfd >= 0)
+ close(region->region.guest_memfd);
free(region);
}
@@ -898,36 +877,44 @@ void vm_set_user_memory_region(struct kvm_vm *vm, uint32_t slot, uint32_t flags,
errno, strerror(errno));
}
-/*
- * VM Userspace Memory Region Add
- *
- * Input Args:
- * vm - Virtual Machine
- * src_type - Storage source for this region.
- * NULL to use anonymous memory.
- * guest_paddr - Starting guest physical address
- * slot - KVM region slot
- * npages - Number of physical pages
- * flags - KVM memory region flags (e.g. KVM_MEM_LOG_DIRTY_PAGES)
- *
- * Output Args: None
- *
- * Return: None
- *
- * Allocates a memory area of the number of pages specified by npages
- * and maps it to the VM specified by vm, at a starting physical address
- * given by guest_paddr. The region is created with a KVM region slot
- * given by slot, which must be unique and < KVM_MEM_SLOTS_NUM. The
- * region is created with the flags given by flags.
- */
-void vm_userspace_mem_region_add(struct kvm_vm *vm,
- enum vm_mem_backing_src_type src_type,
- uint64_t guest_paddr, uint32_t slot, uint64_t npages,
- uint32_t flags)
+int __vm_set_user_memory_region2(struct kvm_vm *vm, uint32_t slot, uint32_t flags,
+ uint64_t gpa, uint64_t size, void *hva,
+ uint32_t guest_memfd, uint64_t guest_memfd_offset)
+{
+ struct kvm_userspace_memory_region2 region = {
+ .slot = slot,
+ .flags = flags,
+ .guest_phys_addr = gpa,
+ .memory_size = size,
+ .userspace_addr = (uintptr_t)hva,
+ .guest_memfd = guest_memfd,
+ .guest_memfd_offset = guest_memfd_offset,
+ };
+
+ return ioctl(vm->fd, KVM_SET_USER_MEMORY_REGION2, &region);
+}
+
+void vm_set_user_memory_region2(struct kvm_vm *vm, uint32_t slot, uint32_t flags,
+ uint64_t gpa, uint64_t size, void *hva,
+ uint32_t guest_memfd, uint64_t guest_memfd_offset)
+{
+ int ret = __vm_set_user_memory_region2(vm, slot, flags, gpa, size, hva,
+ guest_memfd, guest_memfd_offset);
+
+ TEST_ASSERT(!ret, "KVM_SET_USER_MEMORY_REGION2 failed, errno = %d (%s)",
+ errno, strerror(errno));
+}
+
+
+/* FIXME: This thing needs to be ripped apart and rewritten. */
+void vm_mem_add(struct kvm_vm *vm, enum vm_mem_backing_src_type src_type,
+ uint64_t guest_paddr, uint32_t slot, uint64_t npages,
+ uint32_t flags, int guest_memfd, uint64_t guest_memfd_offset)
{
int ret;
struct userspace_mem_region *region;
size_t backing_src_pagesz = get_backing_src_pagesz(src_type);
+ size_t mem_size = npages * vm->page_size;
size_t alignment;
TEST_ASSERT(vm_adjust_num_guest_pages(vm->mode, npages) == npages,
@@ -980,7 +967,7 @@ void vm_userspace_mem_region_add(struct kvm_vm *vm,
/* Allocate and initialize new mem region structure. */
region = calloc(1, sizeof(*region));
TEST_ASSERT(region != NULL, "Insufficient Memory");
- region->mmap_size = npages * vm->page_size;
+ region->mmap_size = mem_size;
#ifdef __s390x__
/* On s390x, the host address must be aligned to 1M (due to PGSTEs) */
@@ -1027,14 +1014,38 @@ void vm_userspace_mem_region_add(struct kvm_vm *vm,
/* As needed perform madvise */
if ((src_type == VM_MEM_SRC_ANONYMOUS ||
src_type == VM_MEM_SRC_ANONYMOUS_THP) && thp_configured()) {
- ret = madvise(region->host_mem, npages * vm->page_size,
+ ret = madvise(region->host_mem, mem_size,
src_type == VM_MEM_SRC_ANONYMOUS ? MADV_NOHUGEPAGE : MADV_HUGEPAGE);
TEST_ASSERT(ret == 0, "madvise failed, addr: %p length: 0x%lx src_type: %s",
- region->host_mem, npages * vm->page_size,
+ region->host_mem, mem_size,
vm_mem_backing_src_alias(src_type)->name);
}
region->backing_src_type = src_type;
+
+ if (flags & KVM_MEM_GUEST_MEMFD) {
+ if (guest_memfd < 0) {
+ uint32_t guest_memfd_flags = 0;
+ TEST_ASSERT(!guest_memfd_offset,
+ "Offset must be zero when creating new guest_memfd");
+ guest_memfd = vm_create_guest_memfd(vm, mem_size, guest_memfd_flags);
+ } else {
+ /*
+ * Install a unique fd for each memslot so that the fd
+ * can be closed when the region is deleted without
+ * needing to track if the fd is owned by the framework
+ * or by the caller.
+ */
+ guest_memfd = dup(guest_memfd);
+ TEST_ASSERT(guest_memfd >= 0, __KVM_SYSCALL_ERROR("dup()", guest_memfd));
+ }
+
+ region->region.guest_memfd = guest_memfd;
+ region->region.guest_memfd_offset = guest_memfd_offset;
+ } else {
+ region->region.guest_memfd = -1;
+ }
+
region->unused_phy_pages = sparsebit_alloc();
sparsebit_set_num(region->unused_phy_pages,
guest_paddr >> vm->page_shift, npages);
@@ -1043,13 +1054,14 @@ void vm_userspace_mem_region_add(struct kvm_vm *vm,
region->region.guest_phys_addr = guest_paddr;
region->region.memory_size = npages * vm->page_size;
region->region.userspace_addr = (uintptr_t) region->host_mem;
- ret = __vm_ioctl(vm, KVM_SET_USER_MEMORY_REGION, &region->region);
- TEST_ASSERT(ret == 0, "KVM_SET_USER_MEMORY_REGION IOCTL failed,\n"
+ ret = __vm_ioctl(vm, KVM_SET_USER_MEMORY_REGION2, &region->region);
+ TEST_ASSERT(ret == 0, "KVM_SET_USER_MEMORY_REGION2 IOCTL failed,\n"
" rc: %i errno: %i\n"
" slot: %u flags: 0x%x\n"
- " guest_phys_addr: 0x%lx size: 0x%lx",
+ " guest_phys_addr: 0x%lx size: 0x%lx guest_memfd: %d",
ret, errno, slot, flags,
- guest_paddr, (uint64_t) region->region.memory_size);
+ guest_paddr, (uint64_t) region->region.memory_size,
+ region->region.guest_memfd);
/* Add to quick lookup data structures */
vm_userspace_mem_region_gpa_insert(&vm->regions.gpa_tree, region);
@@ -1070,6 +1082,14 @@ void vm_userspace_mem_region_add(struct kvm_vm *vm,
}
}
+void vm_userspace_mem_region_add(struct kvm_vm *vm,
+ enum vm_mem_backing_src_type src_type,
+ uint64_t guest_paddr, uint32_t slot,
+ uint64_t npages, uint32_t flags)
+{
+ vm_mem_add(vm, src_type, guest_paddr, slot, npages, flags, -1, 0);
+}
+
/*
* Memslot to region
*
@@ -1126,9 +1146,9 @@ void vm_mem_region_set_flags(struct kvm_vm *vm, uint32_t slot, uint32_t flags)
region->region.flags = flags;
- ret = __vm_ioctl(vm, KVM_SET_USER_MEMORY_REGION, &region->region);
+ ret = __vm_ioctl(vm, KVM_SET_USER_MEMORY_REGION2, &region->region);
- TEST_ASSERT(ret == 0, "KVM_SET_USER_MEMORY_REGION IOCTL failed,\n"
+ TEST_ASSERT(ret == 0, "KVM_SET_USER_MEMORY_REGION2 IOCTL failed,\n"
" rc: %i errno: %i slot: %u flags: 0x%x",
ret, errno, slot, flags);
}
@@ -1156,9 +1176,9 @@ void vm_mem_region_move(struct kvm_vm *vm, uint32_t slot, uint64_t new_gpa)
region->region.guest_phys_addr = new_gpa;
- ret = __vm_ioctl(vm, KVM_SET_USER_MEMORY_REGION, &region->region);
+ ret = __vm_ioctl(vm, KVM_SET_USER_MEMORY_REGION2, &region->region);
- TEST_ASSERT(!ret, "KVM_SET_USER_MEMORY_REGION failed\n"
+ TEST_ASSERT(!ret, "KVM_SET_USER_MEMORY_REGION2 failed\n"
"ret: %i errno: %i slot: %u new_gpa: 0x%lx",
ret, errno, slot, new_gpa);
}
@@ -1181,6 +1201,34 @@ void vm_mem_region_delete(struct kvm_vm *vm, uint32_t slot)
__vm_mem_region_delete(vm, memslot2region(vm, slot), true);
}
+void vm_guest_mem_fallocate(struct kvm_vm *vm, uint64_t base, uint64_t size,
+ bool punch_hole)
+{
+ const int mode = FALLOC_FL_KEEP_SIZE | (punch_hole ? FALLOC_FL_PUNCH_HOLE : 0);
+ struct userspace_mem_region *region;
+ uint64_t end = base + size;
+ uint64_t gpa, len;
+ off_t fd_offset;
+ int ret;
+
+ for (gpa = base; gpa < end; gpa += len) {
+ uint64_t offset;
+
+ region = userspace_mem_region_find(vm, gpa, gpa);
+ TEST_ASSERT(region && region->region.flags & KVM_MEM_GUEST_MEMFD,
+ "Private memory region not found for GPA 0x%lx", gpa);
+
+ offset = gpa - region->region.guest_phys_addr;
+ fd_offset = region->region.guest_memfd_offset + offset;
+ len = min_t(uint64_t, end - gpa, region->region.memory_size - offset);
+
+ ret = fallocate(region->region.guest_memfd, mode, fd_offset, len);
+ TEST_ASSERT(!ret, "fallocate() failed to %s at %lx (len = %lu), fd = %d, mode = %x, offset = %lx",
+ punch_hole ? "punch hole" : "allocate", gpa, len,
+ region->region.guest_memfd, mode, fd_offset);
+ }
+}
+
/* Returns the size of a vCPU's kvm_run structure. */
static int vcpu_mmap_sz(void)
{
@@ -1218,7 +1266,7 @@ struct kvm_vcpu *__vm_vcpu_add(struct kvm_vm *vm, uint32_t vcpu_id)
struct kvm_vcpu *vcpu;
/* Confirm a vcpu with the specified id doesn't already exist. */
- TEST_ASSERT(!vcpu_exists(vm, vcpu_id), "vCPU%d already exists\n", vcpu_id);
+ TEST_ASSERT(!vcpu_exists(vm, vcpu_id), "vCPU%d already exists", vcpu_id);
/* Allocate and initialize new vcpu structure. */
vcpu = calloc(1, sizeof(*vcpu));
@@ -1227,7 +1275,7 @@ struct kvm_vcpu *__vm_vcpu_add(struct kvm_vm *vm, uint32_t vcpu_id)
vcpu->vm = vm;
vcpu->id = vcpu_id;
vcpu->fd = __vm_ioctl(vm, KVM_CREATE_VCPU, (void *)(unsigned long)vcpu_id);
- TEST_ASSERT(vcpu->fd >= 0, KVM_IOCTL_ERROR(KVM_CREATE_VCPU, vcpu->fd));
+ TEST_ASSERT_VM_VCPU_IOCTL(vcpu->fd >= 0, KVM_CREATE_VCPU, vcpu->fd, vm);
TEST_ASSERT(vcpu_mmap_sz() >= sizeof(*vcpu->run), "vcpu mmap size "
"smaller than expected, vcpu_mmap_sz: %i expected_min: %zi",
diff --git a/tools/testing/selftests/kvm/lib/memstress.c b/tools/testing/selftests/kvm/lib/memstress.c
index df457452d1..cf2c739713 100644
--- a/tools/testing/selftests/kvm/lib/memstress.c
+++ b/tools/testing/selftests/kvm/lib/memstress.c
@@ -168,7 +168,8 @@ struct kvm_vm *memstress_create_vm(enum vm_guest_mode mode, int nr_vcpus,
* The memory is also added to memslot 0, but that's a benign side
* effect as KVM allows aliasing HVAs in meslots.
*/
- vm = __vm_create_with_vcpus(mode, nr_vcpus, slot0_pages + guest_num_pages,
+ vm = __vm_create_with_vcpus(VM_SHAPE(mode), nr_vcpus,
+ slot0_pages + guest_num_pages,
memstress_guest_code, vcpus);
args->vm = vm;
@@ -191,7 +192,7 @@ struct kvm_vm *memstress_create_vm(enum vm_guest_mode mode, int nr_vcpus,
TEST_ASSERT(guest_num_pages < region_end_gfn,
"Requested more guest memory than address space allows.\n"
" guest pages: %" PRIx64 " max gfn: %" PRIx64
- " nr_vcpus: %d wss: %" PRIx64 "]\n",
+ " nr_vcpus: %d wss: %" PRIx64 "]",
guest_num_pages, region_end_gfn - 1, nr_vcpus, vcpu_memory_bytes);
args->gpa = (region_end_gfn - guest_num_pages - 1) * args->guest_page_size;
diff --git a/tools/testing/selftests/kvm/lib/riscv/processor.c b/tools/testing/selftests/kvm/lib/riscv/processor.c
index d146ca71e0..2bb33a8ac0 100644
--- a/tools/testing/selftests/kvm/lib/riscv/processor.c
+++ b/tools/testing/selftests/kvm/lib/riscv/processor.c
@@ -201,7 +201,7 @@ void riscv_vcpu_mmu_setup(struct kvm_vcpu *vcpu)
satp = (vm->pgd >> PGTBL_PAGE_SIZE_SHIFT) & SATP_PPN;
satp |= SATP_MODE_48;
- vcpu_set_reg(vcpu, RISCV_CSR_REG(satp), satp);
+ vcpu_set_reg(vcpu, RISCV_GENERAL_CSR_REG(satp), satp);
}
void vcpu_arch_dump(FILE *stream, struct kvm_vcpu *vcpu, uint8_t indent)
@@ -315,7 +315,7 @@ struct kvm_vcpu *vm_arch_vcpu_add(struct kvm_vm *vm, uint32_t vcpu_id,
vcpu_set_reg(vcpu, RISCV_CORE_REG(regs.pc), (unsigned long)guest_code);
/* Setup default exception vector of guest */
- vcpu_set_reg(vcpu, RISCV_CSR_REG(stvec), (unsigned long)guest_unexp_trap);
+ vcpu_set_reg(vcpu, RISCV_GENERAL_CSR_REG(stvec), (unsigned long)guest_unexp_trap);
return vcpu;
}
@@ -327,7 +327,7 @@ void vcpu_args_set(struct kvm_vcpu *vcpu, unsigned int num, ...)
int i;
TEST_ASSERT(num >= 1 && num <= 8, "Unsupported number of args,\n"
- " num: %u\n", num);
+ " num: %u", num);
va_start(ap, num);
@@ -367,3 +367,48 @@ void vcpu_args_set(struct kvm_vcpu *vcpu, unsigned int num, ...)
void assert_on_unhandled_exception(struct kvm_vcpu *vcpu)
{
}
+
+struct sbiret sbi_ecall(int ext, int fid, unsigned long arg0,
+ unsigned long arg1, unsigned long arg2,
+ unsigned long arg3, unsigned long arg4,
+ unsigned long arg5)
+{
+ register uintptr_t a0 asm ("a0") = (uintptr_t)(arg0);
+ register uintptr_t a1 asm ("a1") = (uintptr_t)(arg1);
+ register uintptr_t a2 asm ("a2") = (uintptr_t)(arg2);
+ register uintptr_t a3 asm ("a3") = (uintptr_t)(arg3);
+ register uintptr_t a4 asm ("a4") = (uintptr_t)(arg4);
+ register uintptr_t a5 asm ("a5") = (uintptr_t)(arg5);
+ register uintptr_t a6 asm ("a6") = (uintptr_t)(fid);
+ register uintptr_t a7 asm ("a7") = (uintptr_t)(ext);
+ struct sbiret ret;
+
+ asm volatile (
+ "ecall"
+ : "+r" (a0), "+r" (a1)
+ : "r" (a2), "r" (a3), "r" (a4), "r" (a5), "r" (a6), "r" (a7)
+ : "memory");
+ ret.error = a0;
+ ret.value = a1;
+
+ return ret;
+}
+
+bool guest_sbi_probe_extension(int extid, long *out_val)
+{
+ struct sbiret ret;
+
+ ret = sbi_ecall(SBI_EXT_BASE, SBI_EXT_BASE_PROBE_EXT, extid,
+ 0, 0, 0, 0, 0);
+
+ __GUEST_ASSERT(!ret.error || ret.error == SBI_ERR_NOT_SUPPORTED,
+ "ret.error=%ld, ret.value=%ld\n", ret.error, ret.value);
+
+ if (ret.error == SBI_ERR_NOT_SUPPORTED)
+ return false;
+
+ if (out_val)
+ *out_val = ret.value;
+
+ return true;
+}
diff --git a/tools/testing/selftests/kvm/lib/riscv/ucall.c b/tools/testing/selftests/kvm/lib/riscv/ucall.c
index fe6d1004f0..14ee17151a 100644
--- a/tools/testing/selftests/kvm/lib/riscv/ucall.c
+++ b/tools/testing/selftests/kvm/lib/riscv/ucall.c
@@ -10,32 +10,6 @@
#include "kvm_util.h"
#include "processor.h"
-struct sbiret sbi_ecall(int ext, int fid, unsigned long arg0,
- unsigned long arg1, unsigned long arg2,
- unsigned long arg3, unsigned long arg4,
- unsigned long arg5)
-{
- register uintptr_t a0 asm ("a0") = (uintptr_t)(arg0);
- register uintptr_t a1 asm ("a1") = (uintptr_t)(arg1);
- register uintptr_t a2 asm ("a2") = (uintptr_t)(arg2);
- register uintptr_t a3 asm ("a3") = (uintptr_t)(arg3);
- register uintptr_t a4 asm ("a4") = (uintptr_t)(arg4);
- register uintptr_t a5 asm ("a5") = (uintptr_t)(arg5);
- register uintptr_t a6 asm ("a6") = (uintptr_t)(fid);
- register uintptr_t a7 asm ("a7") = (uintptr_t)(ext);
- struct sbiret ret;
-
- asm volatile (
- "ecall"
- : "+r" (a0), "+r" (a1)
- : "r" (a2), "r" (a3), "r" (a4), "r" (a5), "r" (a6), "r" (a7)
- : "memory");
- ret.error = a0;
- ret.value = a1;
-
- return ret;
-}
-
void *ucall_arch_get_ucall(struct kvm_vcpu *vcpu)
{
struct kvm_run *run = vcpu->run;
diff --git a/tools/testing/selftests/kvm/lib/s390x/processor.c b/tools/testing/selftests/kvm/lib/s390x/processor.c
index 15945121da..f6d227892c 100644
--- a/tools/testing/selftests/kvm/lib/s390x/processor.c
+++ b/tools/testing/selftests/kvm/lib/s390x/processor.c
@@ -198,7 +198,7 @@ void vcpu_args_set(struct kvm_vcpu *vcpu, unsigned int num, ...)
int i;
TEST_ASSERT(num >= 1 && num <= 5, "Unsupported number of args,\n"
- " num: %u\n",
+ " num: %u",
num);
va_start(ap, num);
diff --git a/tools/testing/selftests/kvm/lib/test_util.c b/tools/testing/selftests/kvm/lib/test_util.c
index 5d7f28b02d..5a8f8becb1 100644
--- a/tools/testing/selftests/kvm/lib/test_util.c
+++ b/tools/testing/selftests/kvm/lib/test_util.c
@@ -392,3 +392,28 @@ char *strdup_printf(const char *fmt, ...)
return str;
}
+
+#define CLOCKSOURCE_PATH "/sys/devices/system/clocksource/clocksource0/current_clocksource"
+
+char *sys_get_cur_clocksource(void)
+{
+ char *clk_name;
+ struct stat st;
+ FILE *fp;
+
+ fp = fopen(CLOCKSOURCE_PATH, "r");
+ TEST_ASSERT(fp, "failed to open clocksource file, errno: %d", errno);
+
+ TEST_ASSERT(!fstat(fileno(fp), &st), "failed to stat clocksource file, errno: %d",
+ errno);
+
+ clk_name = malloc(st.st_size);
+ TEST_ASSERT(clk_name, "failed to allocate buffer to read file");
+
+ TEST_ASSERT(fgets(clk_name, st.st_size, fp), "failed to read clocksource file: %d",
+ ferror(fp));
+
+ fclose(fp);
+
+ return clk_name;
+}
diff --git a/tools/testing/selftests/kvm/lib/userfaultfd_util.c b/tools/testing/selftests/kvm/lib/userfaultfd_util.c
index 271f638915..f4eef6eb2d 100644
--- a/tools/testing/selftests/kvm/lib/userfaultfd_util.c
+++ b/tools/testing/selftests/kvm/lib/userfaultfd_util.c
@@ -69,7 +69,7 @@ static void *uffd_handler_thread_fn(void *arg)
if (pollfd[1].revents & POLLIN) {
r = read(pollfd[1].fd, &tmp_chr, 1);
TEST_ASSERT(r == 1,
- "Error reading pipefd in UFFD thread\n");
+ "Error reading pipefd in UFFD thread");
break;
}
diff --git a/tools/testing/selftests/kvm/lib/x86_64/processor.c b/tools/testing/selftests/kvm/lib/x86_64/processor.c
index d828837407..f639b3e062 100644
--- a/tools/testing/selftests/kvm/lib/x86_64/processor.c
+++ b/tools/testing/selftests/kvm/lib/x86_64/processor.c
@@ -170,10 +170,10 @@ static uint64_t *virt_create_upper_pte(struct kvm_vm *vm,
* this level.
*/
TEST_ASSERT(current_level != target_level,
- "Cannot create hugepage at level: %u, vaddr: 0x%lx\n",
+ "Cannot create hugepage at level: %u, vaddr: 0x%lx",
current_level, vaddr);
TEST_ASSERT(!(*pte & PTE_LARGE_MASK),
- "Cannot create page table at level: %u, vaddr: 0x%lx\n",
+ "Cannot create page table at level: %u, vaddr: 0x%lx",
current_level, vaddr);
}
return pte;
@@ -220,7 +220,7 @@ void __virt_pg_map(struct kvm_vm *vm, uint64_t vaddr, uint64_t paddr, int level)
/* Fill in page table entry. */
pte = virt_get_pte(vm, pde, vaddr, PG_LEVEL_4K);
TEST_ASSERT(!(*pte & PTE_PRESENT_MASK),
- "PTE already present for 4k page at vaddr: 0x%lx\n", vaddr);
+ "PTE already present for 4k page at vaddr: 0x%lx", vaddr);
*pte = PTE_PRESENT_MASK | PTE_WRITABLE_MASK | (paddr & PHYSICAL_PAGE_MASK);
}
@@ -253,7 +253,7 @@ static bool vm_is_target_pte(uint64_t *pte, int *level, int current_level)
if (*pte & PTE_LARGE_MASK) {
TEST_ASSERT(*level == PG_LEVEL_NONE ||
*level == current_level,
- "Unexpected hugepage at level %d\n", current_level);
+ "Unexpected hugepage at level %d", current_level);
*level = current_level;
}
@@ -825,7 +825,7 @@ void vcpu_args_set(struct kvm_vcpu *vcpu, unsigned int num, ...)
struct kvm_regs regs;
TEST_ASSERT(num >= 1 && num <= 6, "Unsupported number of args,\n"
- " num: %u\n",
+ " num: %u",
num);
va_start(ap, num);
@@ -1299,3 +1299,14 @@ void kvm_selftest_arch_init(void)
host_cpu_is_intel = this_cpu_is_intel();
host_cpu_is_amd = this_cpu_is_amd();
}
+
+bool sys_clocksource_is_based_on_tsc(void)
+{
+ char *clk_name = sys_get_cur_clocksource();
+ bool ret = !strcmp(clk_name, "tsc\n") ||
+ !strcmp(clk_name, "hyperv_clocksource_tsc_page\n");
+
+ free(clk_name);
+
+ return ret;
+}
diff --git a/tools/testing/selftests/kvm/lib/x86_64/vmx.c b/tools/testing/selftests/kvm/lib/x86_64/vmx.c
index 59d97531c9..089b8925b6 100644
--- a/tools/testing/selftests/kvm/lib/x86_64/vmx.c
+++ b/tools/testing/selftests/kvm/lib/x86_64/vmx.c
@@ -54,7 +54,7 @@ int vcpu_enable_evmcs(struct kvm_vcpu *vcpu)
/* KVM should return supported EVMCS version range */
TEST_ASSERT(((evmcs_ver >> 8) >= (evmcs_ver & 0xff)) &&
(evmcs_ver & 0xff) > 0,
- "Incorrect EVMCS version range: %x:%x\n",
+ "Incorrect EVMCS version range: %x:%x",
evmcs_ver & 0xff, evmcs_ver >> 8);
return evmcs_ver;
@@ -387,10 +387,10 @@ static void nested_create_pte(struct kvm_vm *vm,
* this level.
*/
TEST_ASSERT(current_level != target_level,
- "Cannot create hugepage at level: %u, nested_paddr: 0x%lx\n",
+ "Cannot create hugepage at level: %u, nested_paddr: 0x%lx",
current_level, nested_paddr);
TEST_ASSERT(!pte->page_size,
- "Cannot create page table at level: %u, nested_paddr: 0x%lx\n",
+ "Cannot create page table at level: %u, nested_paddr: 0x%lx",
current_level, nested_paddr);
}
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-16 16:01:59 +0000