From cde9070d9970eef1f7ec2360586c802a16230ad8 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 07:43:50 +0000
Subject: [PATCH] rtl88x2CE_WiFi_linux driver
---
kernel/tools/testing/selftests/kvm/dirty_log_test.c | 601 ++++++++++++++++++++++++++++++++++++++++++------------
1 files changed, 466 insertions(+), 135 deletions(-)
diff --git a/kernel/tools/testing/selftests/kvm/dirty_log_test.c b/kernel/tools/testing/selftests/kvm/dirty_log_test.c
index a9c4b5e..54da9cc 100644
--- a/kernel/tools/testing/selftests/kvm/dirty_log_test.c
+++ b/kernel/tools/testing/selftests/kvm/dirty_log_test.c
@@ -5,6 +5,8 @@
* Copyright (C) 2018, Red Hat, Inc.
*/
+#define _GNU_SOURCE /* for program_invocation_name */
+
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
@@ -15,76 +17,188 @@
#include "test_util.h"
#include "kvm_util.h"
+#include "processor.h"
-#define DEBUG printf
+#define VCPU_ID 1
-#define VCPU_ID 1
/* The memory slot index to track dirty pages */
-#define TEST_MEM_SLOT_INDEX 1
-/*
- * GPA offset of the testing memory slot. Must be bigger than the
- * default vm mem slot, which is DEFAULT_GUEST_PHY_PAGES.
- */
-#define TEST_MEM_OFFSET (1ULL << 30) /* 1G */
-/* Size of the testing memory slot */
-#define TEST_MEM_PAGES (1ULL << 18) /* 1G for 4K pages */
+#define TEST_MEM_SLOT_INDEX 1
+
+/* Default guest test virtual memory offset */
+#define DEFAULT_GUEST_TEST_MEM 0xc0000000
+
/* How many pages to dirty for each guest loop */
-#define TEST_PAGES_PER_LOOP 1024
+#define TEST_PAGES_PER_LOOP 1024
+
/* How many host loops to run (one KVM_GET_DIRTY_LOG for each loop) */
-#define TEST_HOST_LOOP_N 32UL
+#define TEST_HOST_LOOP_N 32UL
+
/* Interval for each host loop (ms) */
-#define TEST_HOST_LOOP_INTERVAL 10UL
+#define TEST_HOST_LOOP_INTERVAL 10UL
+
+/* Dirty bitmaps are always little endian, so we need to swap on big endian */
+#if defined(__s390x__)
+# define BITOP_LE_SWIZZLE ((BITS_PER_LONG-1) & ~0x7)
+# define test_bit_le(nr, addr) \
+ test_bit((nr) ^ BITOP_LE_SWIZZLE, addr)
+# define set_bit_le(nr, addr) \
+ set_bit((nr) ^ BITOP_LE_SWIZZLE, addr)
+# define clear_bit_le(nr, addr) \
+ clear_bit((nr) ^ BITOP_LE_SWIZZLE, addr)
+# define test_and_set_bit_le(nr, addr) \
+ test_and_set_bit((nr) ^ BITOP_LE_SWIZZLE, addr)
+# define test_and_clear_bit_le(nr, addr) \
+ test_and_clear_bit((nr) ^ BITOP_LE_SWIZZLE, addr)
+#else
+# define test_bit_le test_bit
+# define set_bit_le set_bit
+# define clear_bit_le clear_bit
+# define test_and_set_bit_le test_and_set_bit
+# define test_and_clear_bit_le test_and_clear_bit
+#endif
/*
- * Guest variables. We use these variables to share data between host
- * and guest. There are two copies of the variables, one in host memory
- * (which is unused) and one in guest memory. When the host wants to
- * access these variables, it needs to call addr_gva2hva() to access the
- * guest copy.
+ * Guest/Host shared variables. Ensure addr_gva2hva() and/or
+ * sync_global_to/from_guest() are used when accessing from
+ * the host. READ/WRITE_ONCE() should also be used with anything
+ * that may change.
*/
-uint64_t guest_random_array[TEST_PAGES_PER_LOOP];
-uint64_t guest_iteration;
-uint64_t guest_page_size;
+static uint64_t host_page_size;
+static uint64_t guest_page_size;
+static uint64_t guest_num_pages;
+static uint64_t random_array[TEST_PAGES_PER_LOOP];
+static uint64_t iteration;
/*
- * Writes to the first byte of a random page within the testing memory
- * region continuously.
+ * Guest physical memory offset of the testing memory slot.
+ * This will be set to the topmost valid physical address minus
+ * the test memory size.
*/
-void guest_code(void)
+static uint64_t guest_test_phys_mem;
+
+/*
+ * Guest virtual memory offset of the testing memory slot.
+ * Must not conflict with identity mapped test code.
+ */
+static uint64_t guest_test_virt_mem = DEFAULT_GUEST_TEST_MEM;
+
+/*
+ * Continuously write to the first 8 bytes of a random pages within
+ * the testing memory region.
+ */
+static void guest_code(void)
{
- int i = 0;
- uint64_t volatile *array = guest_random_array;
- uint64_t volatile *guest_addr;
+ uint64_t addr;
+ int i;
+
+ /*
+ * On s390x, all pages of a 1M segment are initially marked as dirty
+ * when a page of the segment is written to for the very first time.
+ * To compensate this specialty in this test, we need to touch all
+ * pages during the first iteration.
+ */
+ for (i = 0; i < guest_num_pages; i++) {
+ addr = guest_test_virt_mem + i * guest_page_size;
+ *(uint64_t *)addr = READ_ONCE(iteration);
+ }
while (true) {
for (i = 0; i < TEST_PAGES_PER_LOOP; i++) {
- /*
- * Write to the first 8 bytes of a random page
- * on the testing memory region.
- */
- guest_addr = (uint64_t *)
- (TEST_MEM_OFFSET +
- (array[i] % TEST_MEM_PAGES) * guest_page_size);
- *guest_addr = guest_iteration;
+ addr = guest_test_virt_mem;
+ addr += (READ_ONCE(random_array[i]) % guest_num_pages)
+ * guest_page_size;
+ addr &= ~(host_page_size - 1);
+ *(uint64_t *)addr = READ_ONCE(iteration);
}
+
/* Tell the host that we need more random numbers */
GUEST_SYNC(1);
}
}
-/*
- * Host variables. These variables should only be used by the host
- * rather than the guest.
- */
-bool host_quit;
+/* Host variables */
+static bool host_quit;
/* Points to the test VM memory region on which we track dirty logs */
-void *host_test_mem;
+static void *host_test_mem;
+static uint64_t host_num_pages;
/* For statistics only */
-uint64_t host_dirty_count;
-uint64_t host_clear_count;
-uint64_t host_track_next_count;
+static uint64_t host_dirty_count;
+static uint64_t host_clear_count;
+static uint64_t host_track_next_count;
+
+enum log_mode_t {
+ /* Only use KVM_GET_DIRTY_LOG for logging */
+ LOG_MODE_DIRTY_LOG = 0,
+
+ /* Use both KVM_[GET|CLEAR]_DIRTY_LOG for logging */
+ LOG_MODE_CLEAR_LOG = 1,
+
+ LOG_MODE_NUM,
+
+ /* Run all supported modes */
+ LOG_MODE_ALL = LOG_MODE_NUM,
+};
+
+/* Mode of logging to test. Default is to run all supported modes */
+static enum log_mode_t host_log_mode_option = LOG_MODE_ALL;
+/* Logging mode for current run */
+static enum log_mode_t host_log_mode;
+
+static bool clear_log_supported(void)
+{
+ return kvm_check_cap(KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2);
+}
+
+static void clear_log_create_vm_done(struct kvm_vm *vm)
+{
+ struct kvm_enable_cap cap = {};
+ u64 manual_caps;
+
+ manual_caps = kvm_check_cap(KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2);
+ TEST_ASSERT(manual_caps, "MANUAL_CAPS is zero!");
+ manual_caps &= (KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE |
+ KVM_DIRTY_LOG_INITIALLY_SET);
+ cap.cap = KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2;
+ cap.args[0] = manual_caps;
+ vm_enable_cap(vm, &cap);
+}
+
+static void dirty_log_collect_dirty_pages(struct kvm_vm *vm, int slot,
+ void *bitmap, uint32_t num_pages)
+{
+ kvm_vm_get_dirty_log(vm, slot, bitmap);
+}
+
+static void clear_log_collect_dirty_pages(struct kvm_vm *vm, int slot,
+ void *bitmap, uint32_t num_pages)
+{
+ kvm_vm_get_dirty_log(vm, slot, bitmap);
+ kvm_vm_clear_dirty_log(vm, slot, bitmap, 0, num_pages);
+}
+
+struct log_mode {
+ const char *name;
+ /* Return true if this mode is supported, otherwise false */
+ bool (*supported)(void);
+ /* Hook when the vm creation is done (before vcpu creation) */
+ void (*create_vm_done)(struct kvm_vm *vm);
+ /* Hook to collect the dirty pages into the bitmap provided */
+ void (*collect_dirty_pages) (struct kvm_vm *vm, int slot,
+ void *bitmap, uint32_t num_pages);
+} log_modes[LOG_MODE_NUM] = {
+ {
+ .name = "dirty-log",
+ .collect_dirty_pages = dirty_log_collect_dirty_pages,
+ },
+ {
+ .name = "clear-log",
+ .supported = clear_log_supported,
+ .create_vm_done = clear_log_create_vm_done,
+ .collect_dirty_pages = clear_log_collect_dirty_pages,
+ },
+};
/*
* We use this bitmap to track some pages that should have its dirty
@@ -93,73 +207,105 @@
* page bit is cleared in the latest bitmap, then the system must
* report that write in the next get dirty log call.
*/
-unsigned long *host_bmap_track;
+static unsigned long *host_bmap_track;
-void generate_random_array(uint64_t *guest_array, uint64_t size)
+static void log_modes_dump(void)
+{
+ int i;
+
+ printf("all");
+ for (i = 0; i < LOG_MODE_NUM; i++)
+ printf(", %s", log_modes[i].name);
+ printf("\n");
+}
+
+static bool log_mode_supported(void)
+{
+ struct log_mode *mode = &log_modes[host_log_mode];
+
+ if (mode->supported)
+ return mode->supported();
+
+ return true;
+}
+
+static void log_mode_create_vm_done(struct kvm_vm *vm)
+{
+ struct log_mode *mode = &log_modes[host_log_mode];
+
+ if (mode->create_vm_done)
+ mode->create_vm_done(vm);
+}
+
+static void log_mode_collect_dirty_pages(struct kvm_vm *vm, int slot,
+ void *bitmap, uint32_t num_pages)
+{
+ struct log_mode *mode = &log_modes[host_log_mode];
+
+ TEST_ASSERT(mode->collect_dirty_pages != NULL,
+ "collect_dirty_pages() is required for any log mode!");
+ mode->collect_dirty_pages(vm, slot, bitmap, num_pages);
+}
+
+static void generate_random_array(uint64_t *guest_array, uint64_t size)
{
uint64_t i;
- for (i = 0; i < size; i++) {
+ for (i = 0; i < size; i++)
guest_array[i] = random();
- }
}
-void *vcpu_worker(void *data)
+static void *vcpu_worker(void *data)
{
int ret;
- uint64_t loops, *guest_array, pages_count = 0;
struct kvm_vm *vm = data;
+ uint64_t *guest_array;
+ uint64_t pages_count = 0;
struct kvm_run *run;
- struct guest_args args;
run = vcpu_state(vm, VCPU_ID);
- /* Retrieve the guest random array pointer and cache it */
- guest_array = addr_gva2hva(vm, (vm_vaddr_t)guest_random_array);
-
- DEBUG("VCPU starts\n");
-
+ guest_array = addr_gva2hva(vm, (vm_vaddr_t)random_array);
generate_random_array(guest_array, TEST_PAGES_PER_LOOP);
while (!READ_ONCE(host_quit)) {
- /* Let the guest to dirty these random pages */
+ /* Let the guest dirty the random pages */
ret = _vcpu_run(vm, VCPU_ID);
- guest_args_read(vm, VCPU_ID, &args);
- if (run->exit_reason == KVM_EXIT_IO &&
- args.port == GUEST_PORT_SYNC) {
+ TEST_ASSERT(ret == 0, "vcpu_run failed: %d\n", ret);
+ if (get_ucall(vm, VCPU_ID, NULL) == UCALL_SYNC) {
pages_count += TEST_PAGES_PER_LOOP;
generate_random_array(guest_array, TEST_PAGES_PER_LOOP);
} else {
- TEST_ASSERT(false,
- "Invalid guest sync status: "
- "exit_reason=%s\n",
- exit_reason_str(run->exit_reason));
+ TEST_FAIL("Invalid guest sync status: "
+ "exit_reason=%s\n",
+ exit_reason_str(run->exit_reason));
}
}
- DEBUG("VCPU exits, dirtied %"PRIu64" pages\n", pages_count);
+ pr_info("Dirtied %"PRIu64" pages\n", pages_count);
return NULL;
}
-void vm_dirty_log_verify(unsigned long *bmap, uint64_t iteration)
+static void vm_dirty_log_verify(enum vm_guest_mode mode, unsigned long *bmap)
{
+ uint64_t step = vm_num_host_pages(mode, 1);
uint64_t page;
- uint64_t volatile *value_ptr;
+ uint64_t *value_ptr;
- for (page = 0; page < TEST_MEM_PAGES; page++) {
- value_ptr = host_test_mem + page * getpagesize();
+ for (page = 0; page < host_num_pages; page += step) {
+ value_ptr = host_test_mem + page * host_page_size;
/* If this is a special page that we were tracking... */
- if (test_and_clear_bit(page, host_bmap_track)) {
+ if (test_and_clear_bit_le(page, host_bmap_track)) {
host_track_next_count++;
- TEST_ASSERT(test_bit(page, bmap),
+ TEST_ASSERT(test_bit_le(page, bmap),
"Page %"PRIu64" should have its dirty bit "
"set in this iteration but it is missing",
page);
}
- if (test_bit(page, bmap)) {
+ if (test_and_clear_bit_le(page, bmap)) {
host_dirty_count++;
/*
* If the bit is set, the value written onto
@@ -202,41 +348,257 @@
* should report its dirtyness in the
* next run
*/
- set_bit(page, host_bmap_track);
+ set_bit_le(page, host_bmap_track);
}
}
}
}
-void help(char *name)
+static struct kvm_vm *create_vm(enum vm_guest_mode mode, uint32_t vcpuid,
+ uint64_t extra_mem_pages, void *guest_code)
{
+ struct kvm_vm *vm;
+ uint64_t extra_pg_pages = extra_mem_pages / 512 * 2;
+
+ pr_info("Testing guest mode: %s\n", vm_guest_mode_string(mode));
+
+ vm = vm_create(mode, DEFAULT_GUEST_PHY_PAGES + extra_pg_pages, O_RDWR);
+ kvm_vm_elf_load(vm, program_invocation_name, 0, 0);
+#ifdef __x86_64__
+ vm_create_irqchip(vm);
+#endif
+ log_mode_create_vm_done(vm);
+ vm_vcpu_add_default(vm, vcpuid, guest_code);
+ return vm;
+}
+
+#define DIRTY_MEM_BITS 30 /* 1G */
+#define PAGE_SHIFT_4K 12
+
+static void run_test(enum vm_guest_mode mode, unsigned long iterations,
+ unsigned long interval, uint64_t phys_offset)
+{
+ pthread_t vcpu_thread;
+ struct kvm_vm *vm;
+ unsigned long *bmap;
+
+ if (!log_mode_supported()) {
+ print_skip("Log mode '%s' not supported",
+ log_modes[host_log_mode].name);
+ return;
+ }
+
+ /*
+ * We reserve page table for 2 times of extra dirty mem which
+ * will definitely cover the original (1G+) test range. Here
+ * we do the calculation with 4K page size which is the
+ * smallest so the page number will be enough for all archs
+ * (e.g., 64K page size guest will need even less memory for
+ * page tables).
+ */
+ vm = create_vm(mode, VCPU_ID,
+ 2ul << (DIRTY_MEM_BITS - PAGE_SHIFT_4K),
+ guest_code);
+
+ guest_page_size = vm_get_page_size(vm);
+ /*
+ * A little more than 1G of guest page sized pages. Cover the
+ * case where the size is not aligned to 64 pages.
+ */
+ guest_num_pages = (1ul << (DIRTY_MEM_BITS -
+ vm_get_page_shift(vm))) + 3;
+ guest_num_pages = vm_adjust_num_guest_pages(mode, guest_num_pages);
+
+ host_page_size = getpagesize();
+ host_num_pages = vm_num_host_pages(mode, guest_num_pages);
+
+ if (!phys_offset) {
+ guest_test_phys_mem = (vm_get_max_gfn(vm) -
+ guest_num_pages) * guest_page_size;
+ guest_test_phys_mem &= ~(host_page_size - 1);
+ } else {
+ guest_test_phys_mem = phys_offset;
+ }
+
+#ifdef __s390x__
+ /* Align to 1M (segment size) */
+ guest_test_phys_mem &= ~((1 << 20) - 1);
+#endif
+
+ pr_info("guest physical test memory offset: 0x%lx\n", guest_test_phys_mem);
+
+ bmap = bitmap_alloc(host_num_pages);
+ host_bmap_track = bitmap_alloc(host_num_pages);
+
+ /* Add an extra memory slot for testing dirty logging */
+ vm_userspace_mem_region_add(vm, VM_MEM_SRC_ANONYMOUS,
+ guest_test_phys_mem,
+ TEST_MEM_SLOT_INDEX,
+ guest_num_pages,
+ KVM_MEM_LOG_DIRTY_PAGES);
+
+ /* Do mapping for the dirty track memory slot */
+ virt_map(vm, guest_test_virt_mem, guest_test_phys_mem, guest_num_pages, 0);
+
+ /* Cache the HVA pointer of the region */
+ host_test_mem = addr_gpa2hva(vm, (vm_paddr_t)guest_test_phys_mem);
+
+#ifdef __x86_64__
+ vcpu_set_cpuid(vm, VCPU_ID, kvm_get_supported_cpuid());
+#endif
+ ucall_init(vm, NULL);
+
+ /* Export the shared variables to the guest */
+ sync_global_to_guest(vm, host_page_size);
+ sync_global_to_guest(vm, guest_page_size);
+ sync_global_to_guest(vm, guest_test_virt_mem);
+ sync_global_to_guest(vm, guest_num_pages);
+
+ /* Start the iterations */
+ iteration = 1;
+ sync_global_to_guest(vm, iteration);
+ host_quit = false;
+ host_dirty_count = 0;
+ host_clear_count = 0;
+ host_track_next_count = 0;
+
+ pthread_create(&vcpu_thread, NULL, vcpu_worker, vm);
+
+ while (iteration < iterations) {
+ /* Give the vcpu thread some time to dirty some pages */
+ usleep(interval * 1000);
+ log_mode_collect_dirty_pages(vm, TEST_MEM_SLOT_INDEX,
+ bmap, host_num_pages);
+ vm_dirty_log_verify(mode, bmap);
+ iteration++;
+ sync_global_to_guest(vm, iteration);
+ }
+
+ /* Tell the vcpu thread to quit */
+ host_quit = true;
+ pthread_join(vcpu_thread, NULL);
+
+ pr_info("Total bits checked: dirty (%"PRIu64"), clear (%"PRIu64"), "
+ "track_next (%"PRIu64")\n", host_dirty_count, host_clear_count,
+ host_track_next_count);
+
+ free(bmap);
+ free(host_bmap_track);
+ ucall_uninit(vm);
+ kvm_vm_free(vm);
+}
+
+struct guest_mode {
+ bool supported;
+ bool enabled;
+};
+static struct guest_mode guest_modes[NUM_VM_MODES];
+
+#define guest_mode_init(mode, supported, enabled) ({ \
+ guest_modes[mode] = (struct guest_mode){ supported, enabled }; \
+})
+
+static void help(char *name)
+{
+ int i;
+
puts("");
- printf("usage: %s [-i iterations] [-I interval] [-h]\n", name);
+ printf("usage: %s [-h] [-i iterations] [-I interval] "
+ "[-p offset] [-m mode]\n", name);
puts("");
printf(" -i: specify iteration counts (default: %"PRIu64")\n",
TEST_HOST_LOOP_N);
printf(" -I: specify interval in ms (default: %"PRIu64" ms)\n",
TEST_HOST_LOOP_INTERVAL);
+ printf(" -p: specify guest physical test memory offset\n"
+ " Warning: a low offset can conflict with the loaded test code.\n");
+ printf(" -M: specify the host logging mode "
+ "(default: run all log modes). Supported modes: \n\t");
+ log_modes_dump();
+ printf(" -m: specify the guest mode ID to test "
+ "(default: test all supported modes)\n"
+ " This option may be used multiple times.\n"
+ " Guest mode IDs:\n");
+ for (i = 0; i < NUM_VM_MODES; ++i) {
+ printf(" %d: %s%s\n", i, vm_guest_mode_string(i),
+ guest_modes[i].supported ? " (supported)" : "");
+ }
puts("");
exit(0);
}
int main(int argc, char *argv[])
{
- pthread_t vcpu_thread;
- struct kvm_vm *vm;
- uint64_t volatile *psize, *iteration;
- unsigned long *bmap, iterations = TEST_HOST_LOOP_N,
- interval = TEST_HOST_LOOP_INTERVAL;
- int opt;
+ unsigned long iterations = TEST_HOST_LOOP_N;
+ unsigned long interval = TEST_HOST_LOOP_INTERVAL;
+ bool mode_selected = false;
+ uint64_t phys_offset = 0;
+ unsigned int mode;
+ int opt, i, j;
- while ((opt = getopt(argc, argv, "hi:I:")) != -1) {
+#ifdef __x86_64__
+ guest_mode_init(VM_MODE_PXXV48_4K, true, true);
+#endif
+#ifdef __aarch64__
+ guest_mode_init(VM_MODE_P40V48_4K, true, true);
+ guest_mode_init(VM_MODE_P40V48_64K, true, true);
+
+ {
+ unsigned int limit = kvm_check_cap(KVM_CAP_ARM_VM_IPA_SIZE);
+
+ if (limit >= 52)
+ guest_mode_init(VM_MODE_P52V48_64K, true, true);
+ if (limit >= 48) {
+ guest_mode_init(VM_MODE_P48V48_4K, true, true);
+ guest_mode_init(VM_MODE_P48V48_64K, true, true);
+ }
+ }
+#endif
+#ifdef __s390x__
+ guest_mode_init(VM_MODE_P40V48_4K, true, true);
+#endif
+
+ while ((opt = getopt(argc, argv, "hi:I:p:m:M:")) != -1) {
switch (opt) {
case 'i':
iterations = strtol(optarg, NULL, 10);
break;
case 'I':
interval = strtol(optarg, NULL, 10);
+ break;
+ case 'p':
+ phys_offset = strtoull(optarg, NULL, 0);
+ break;
+ case 'm':
+ if (!mode_selected) {
+ for (i = 0; i < NUM_VM_MODES; ++i)
+ guest_modes[i].enabled = false;
+ mode_selected = true;
+ }
+ mode = strtoul(optarg, NULL, 10);
+ TEST_ASSERT(mode < NUM_VM_MODES,
+ "Guest mode ID %d too big", mode);
+ guest_modes[mode].enabled = true;
+ break;
+ case 'M':
+ if (!strcmp(optarg, "all")) {
+ host_log_mode_option = LOG_MODE_ALL;
+ break;
+ }
+ for (i = 0; i < LOG_MODE_NUM; i++) {
+ if (!strcmp(optarg, log_modes[i].name)) {
+ pr_info("Setting log mode to: '%s'\n",
+ optarg);
+ host_log_mode_option = i;
+ break;
+ }
+ }
+ if (i == LOG_MODE_NUM) {
+ printf("Log mode '%s' invalid. Please choose "
+ "from: ", optarg);
+ log_modes_dump();
+ exit(1);
+ }
break;
case 'h':
default:
@@ -245,64 +607,33 @@
}
}
- TEST_ASSERT(iterations > 2, "Iteration must be bigger than zero\n");
- TEST_ASSERT(interval > 0, "Interval must be bigger than zero");
+ TEST_ASSERT(iterations > 2, "Iterations must be greater than two");
+ TEST_ASSERT(interval > 0, "Interval must be greater than zero");
- DEBUG("Test iterations: %"PRIu64", interval: %"PRIu64" (ms)\n",
- iterations, interval);
+ pr_info("Test iterations: %"PRIu64", interval: %"PRIu64" (ms)\n",
+ iterations, interval);
srandom(time(0));
- bmap = bitmap_alloc(TEST_MEM_PAGES);
- host_bmap_track = bitmap_alloc(TEST_MEM_PAGES);
-
- vm = vm_create_default(VCPU_ID, TEST_MEM_PAGES, guest_code);
-
- /* Add an extra memory slot for testing dirty logging */
- vm_userspace_mem_region_add(vm, VM_MEM_SRC_ANONYMOUS,
- TEST_MEM_OFFSET,
- TEST_MEM_SLOT_INDEX,
- TEST_MEM_PAGES,
- KVM_MEM_LOG_DIRTY_PAGES);
- /* Cache the HVA pointer of the region */
- host_test_mem = addr_gpa2hva(vm, (vm_paddr_t)TEST_MEM_OFFSET);
-
- /* Do 1:1 mapping for the dirty track memory slot */
- virt_map(vm, TEST_MEM_OFFSET, TEST_MEM_OFFSET,
- TEST_MEM_PAGES * getpagesize(), 0);
-
- vcpu_set_cpuid(vm, VCPU_ID, kvm_get_supported_cpuid());
-
- /* Tell the guest about the page size on the system */
- psize = addr_gva2hva(vm, (vm_vaddr_t)&guest_page_size);
- *psize = getpagesize();
-
- /* Start the iterations */
- iteration = addr_gva2hva(vm, (vm_vaddr_t)&guest_iteration);
- *iteration = 1;
-
- /* Start dirtying pages */
- pthread_create(&vcpu_thread, NULL, vcpu_worker, vm);
-
- while (*iteration < iterations) {
- /* Give the vcpu thread some time to dirty some pages */
- usleep(interval * 1000);
- kvm_vm_get_dirty_log(vm, TEST_MEM_SLOT_INDEX, bmap);
- vm_dirty_log_verify(bmap, *iteration);
- (*iteration)++;
+ for (i = 0; i < NUM_VM_MODES; ++i) {
+ if (!guest_modes[i].enabled)
+ continue;
+ TEST_ASSERT(guest_modes[i].supported,
+ "Guest mode ID %d (%s) not supported.",
+ i, vm_guest_mode_string(i));
+ if (host_log_mode_option == LOG_MODE_ALL) {
+ /* Run each log mode */
+ for (j = 0; j < LOG_MODE_NUM; j++) {
+ pr_info("Testing Log Mode '%s'\n",
+ log_modes[j].name);
+ host_log_mode = j;
+ run_test(i, iterations, interval, phys_offset);
+ }
+ } else {
+ host_log_mode = host_log_mode_option;
+ run_test(i, iterations, interval, phys_offset);
+ }
}
-
- /* Tell the vcpu thread to quit */
- host_quit = true;
- pthread_join(vcpu_thread, NULL);
-
- DEBUG("Total bits checked: dirty (%"PRIu64"), clear (%"PRIu64"), "
- "track_next (%"PRIu64")\n", host_dirty_count, host_clear_count,
- host_track_next_count);
-
- free(bmap);
- free(host_bmap_track);
- kvm_vm_free(vm);
return 0;
}
--
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