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| author | Arthur Hanson Rasmusson <arthur@vgpu.io> | 2026-09-21 13:06:51 -0400 |
|---|---|---|
| committer | Arthur Hanson Rasmusson <arthur@vgpu.io> | 2026-09-21 13:06:51 -0400 |
| commit | c3a295efd1b1132bbaa5d422cd05b3fa8e89a8bf (patch) | |
| tree | f74bd7724153cd9d870688df3ff75274cd5000da /kernel/tests/gsp_vgpu_comprehensive_test.c | |
| parent | 5d4d26f8e773f2871c1b5c9266b82495d390970e (diff) | |
| download | open-iov-c3a295efd1b1132bbaa5d422cd05b3fa8e89a8bf.tar.gz open-iov-c3a295efd1b1132bbaa5d422cd05b3fa8e89a8bf.zip | |
kernel: Fix GSP emulation shadow binding, eventfd wiring, RPC livelocks + docs suite + repo reorg
CRITICAL FIXES (guest driver bring-up):
- gsp_emulation.c: emulation engine bound to the WRONG BAR0 - it polled the
host physical BAR0 (bars[0].vaddr ioremap) for the doorbell and read RPCs
from a local dma_alloc_wc buffer, while the guest writes land in the
vzalloc'd bar0_shadow. The RPC path could never work; PBA writes even
corrupted the host GPU's physical BAR0+0x3000. gsp_emu_init now binds
exclusively to bar0_shadow (doorbell/mailbox/PBA aliases;
shared_mem_dma==0 marks the alias so cleanup never dma_free's it).
- main.c SET_IRQS: DATA_EVENTFD eventfds were DISCARDED ('TODO' + kfree) -
the guest never received MSI-X completions. Full wiring now:
eventfd_ctx_fdget per vector, fd -1 clears, dev_close releases refs.
gsp_emu_inject_completion_interrupt looks up vgpu->irqs[0].trigger LIVE
(init-time copy was permanently NULL since QEMU wires after gsp_emu_init).
- gsp_rpc_client.c: BAR_TRAP/MIGRATE in emulation mode called
gsp_rpc_submit_raw which rings the SAME doorbell the thread polls -
self-triggered RPC livelock + multi-second stalls. Now fail fast with
-ENOTSUPP + pr_warn_ratelimited (guest BAR access is direct MMIO).
MORE FIXES:
- main.c: nv_vgpu_config_write returned SIZE_MAX (while(count--) wrap) and
was dead code while the VFIO write handler did unfiltered byte copies
(guest could rewrite vendor ID/BARs). Return fixed; VFIO write handler
now routes through the per-register filter.
- kernel/Makefile: M=$(PWD) used the env var which is stale when invoked
via the top-level make (pointed at repo root -> kbuild silently built
NOTHING; explains every 'stale .ko' incident). Now M=$(CURDIR).
- Warnings sweep: header prototypes for mdev/type functions, format casts
in gsp_comm.c DRY-RUN logs, unused variable.
ROBUSTNESS (harness/tooling):
- vgpu_vm.py: run had no timeout (start could block forever);
guest_shell recv could block forever on a wedged guest. Both now bounded;
guest_shell pre-flights guest-ping and reports wedge diagnostics.
- stack_manager.sh: qemu/qemu-debug now launch via the vgpu_vm.py harness
(workflow rule: never raw QEMU).
REPO REORGANIZATION:
- driver/ (legacy guest-side gsp-vgpu.ko) moved to legacy-driver-guest/
(reference only, not built; README explains). 3 legacy un-buildable test
files moved to legacy-driver-guest/kernel-tests/. Top-level Makefile
cleaned of the dead DRIVER_DIR reference.
DOCUMENTATION SUITE (new):
- docs/GSP_EMULATION_ARCHITECTURE.md - emulator deep-dive: shadow BAR0
model, doorbell protocol, dispatch table, MSI-X path, lifecycle, memory-
model caveats
- docs/DEBUGGING.md - QEMU GDB stub workflow, serial console, QMP NMI,
failure taxonomy, full bring-up validation checklist, EPT-livelock case
study, version-matrix discipline
- docs/ONBOARDING.md - repo tour, coding standards (incl. virt_to_phys /
dma_addr_t / get-put rules), first build & test
- docs/VERSION_UPGRADE.md - end-to-end new-driver-version procedure
(firmware fetch, Ghidra analysis, configs, signatures, validation)
- docs/PERFORMANCE.md - bare-metal A/B methodology + targets
- README.md doc index; STATE.md refreshed; DEVELOPMENT_WORKFLOW.md corrected
(load order: open-iov-vfio BEFORE nvidia; stock-driver blacklist note)
Diffstat (limited to 'kernel/tests/gsp_vgpu_comprehensive_test.c')
| -rw-r--r-- | kernel/tests/gsp_vgpu_comprehensive_test.c | 432 |
1 files changed, 0 insertions, 432 deletions
diff --git a/kernel/tests/gsp_vgpu_comprehensive_test.c b/kernel/tests/gsp_vgpu_comprehensive_test.c deleted file mode 100644 index 7918beb..0000000 --- a/kernel/tests/gsp_vgpu_comprehensive_test.c +++ /dev/null @@ -1,432 +0,0 @@ -/* - * GSP vGPU-IO Driver - Comprehensive Test Suite - * Tests all driver components: RPC, VF, BAR, WPR, Migration - * Compiles against kernel headers only (no driver dependency) - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/slab.h> -#include <linux/string.h> -#include <linux/errno.h> -#include <linux/ktime.h> -#include <linux/atomic.h> -#include <linux/list.h> -#include <linux/idr.h> -#include <linux/mutex.h> -#include <linux/kref.h> -#include <linux/completion.h> -#include <linux/wait.h> -#include <linux/spinlock.h> -#include <linux/debugfs.h> -#include <linux/vmalloc.h> - -#include <gsp_core.h> - -static int test_count = 0; -static int pass_count = 0; -static int fail_count = 0; - -#define TEST_ASSERT(cond, msg) \ - do { \ - test_count++; \ - if (cond) { \ - pass_count++; \ - pr_info("PASS: %s\n", msg); \ - } else { \ - fail_count++; \ - pr_err("FAIL: %s\n", msg); \ - } \ - } while (0) - -#define TEST_ASSERT_EQ(a, b, msg) \ - TEST_ASSERT((a) == (b), msg " (expected " #b ", got " #a ")") - -#define TEST_ASSERT_NE(a, b, msg) \ - TEST_ASSERT((a) != (b), msg " (expected not " #b ", got " #a ")") - -/* ============================================================ - * Test: Kernel API Availability - * ============================================================ */ - -static int test_kernel_apis(void) -{ - pr_info("=== Testing Kernel API Availability ===\n"); - - /* Test kref */ - struct kref *ref = kmalloc(sizeof(*ref), GFP_KERNEL); - TEST_ASSERT(ref != NULL, "kref allocation"); - kref_init(ref); - TEST_ASSERT(kref_read(ref) == 1, "kref_init sets refcount to 1"); - - kref_get(ref); - TEST_ASSERT(kref_read(ref) == 2, "kref_get increments refcount"); - - kref_put(ref, (void (*)(struct kref *))kfree); - TEST_ASSERT(kref_read(ref) == 1, "kref_put decrements refcount"); - - kref_put(ref, (void (*)(struct kref *))kfree); - TEST_ASSERT(kref_read(ref) == 0, "kref_put reaches zero"); - - /* Test completion */ - struct completion comp; - init_completion(&comp); - TEST_ASSERT(!completion_done(&comp), "completion initially not done"); - complete(&comp); - TEST_ASSERT(completion_done(&comp), "completion marked done"); - - init_completion(&comp); - TEST_ASSERT(wait_for_completion_timeout(&comp, msecs_to_jiffies(100)) > 0, - "wait_for_completion_timeout works"); - - /* Test atomic64 */ - atomic64_t a64 = ATOMIC64_INIT(0); - atomic64_inc(&a64); - TEST_ASSERT_EQ(atomic64_read(&a64), 1, "atomic64_inc"); - atomic64_add(5, &a64); - TEST_ASSERT_EQ(atomic64_read(&a64), 6, "atomic64_add"); - atomic64_sub(3, &a64); - TEST_ASSERT_EQ(atomic64_read(&a64), 3, "atomic64_sub"); - - /* Test mutex */ - struct mutex mtx; - mutex_init(&mtx); - mutex_lock(&mtx); - TEST_ASSERT(mutex_is_locked(&mtx), "mutex_is_locked after lock"); - mutex_unlock(&mtx); - TEST_ASSERT(!mutex_is_locked(&mtx), "mutex_is_locked after unlock"); - - /* Test spinlock */ - spinlock_t sl = __SPIN_LOCK_UNLOCKED(sl); - unsigned long flags; - spin_lock_irqsave(&sl, flags); - TEST_ASSERT(spin_is_locked(&sl), "spin_is_locked after lock"); - spin_unlock_irqrestore(&sl, flags); - TEST_ASSERT(!spin_is_locked(&sl), "spin_is_locked after unlock"); - - /* Test idr */ - struct idr idr; - idr_init(&idr); - int id = idr_alloc(&idr, (void *)0xdeadbeef, 1, 100, GFP_KERNEL); - TEST_ASSERT(id >= 1 && id < 100, "idr_alloc returns valid id"); - void *ptr = idr_find(&idr, id); - TEST_ASSERT(ptr == (void *)0xdeadbeef, "idr_find returns correct pointer"); - idr_remove(&idr, id); - TEST_ASSERT(idr_find(&idr, id) == NULL, "idr_remove works"); - idr_destroy(&idr); - - /* Test list */ - struct list_head head; - INIT_LIST_HEAD(&head); - TEST_ASSERT(list_empty(&head), "list_empty on new list"); - - struct list_head item; - INIT_LIST_HEAD(&item); - list_add(&item, &head); - TEST_ASSERT(!list_empty(&head), "list not empty after add"); - list_del(&item); - TEST_ASSERT(list_empty(&head), "list empty after del"); - - /* Test ktime */ - ktime_t start = ktime_get(); - ktime_t end = ktime_get(); - s64 diff = ktime_to_ns(ktime_sub(end, start)); - TEST_ASSERT(diff >= 0, "ktime_get and ktime_to_ns work"); - - return 0; -} - -/* ============================================================ - * Test: Structure Sizes (from driver header) - * ============================================================ */ - -static int test_structure_sizes(void) -{ - pr_info("=== Testing Structure Sizes ===\n"); - - /* These sizes must match driver/include/gsp_core.h */ - TEST_ASSERT_EQ(sizeof(struct gsp_rpc_header), 64, "gsp_rpc_header size"); - TEST_ASSERT_EQ(sizeof(struct gsp_rpc_message), 256, "gsp_rpc_message size"); - TEST_ASSERT_EQ(sizeof(struct gsp_rpc_response), 32, "gsp_rpc_response size"); - TEST_ASSERT_EQ(sizeof(struct gsp_alloc_payload), 40, "gsp_alloc_payload size"); - TEST_ASSERT_EQ(sizeof(struct gsp_alloc_response), 24, "gsp_alloc_response size"); - TEST_ASSERT_EQ(sizeof(struct gsp_pin_payload), 40, "gsp_pin_payload size"); - TEST_ASSERT_EQ(sizeof(struct gsp_pin_response), 8, "gsp_pin_response size"); - TEST_ASSERT_EQ(sizeof(struct gsp_bar_trap_payload), 40, "gsp_bar_trap_payload size"); - TEST_ASSERT_EQ(sizeof(struct gsp_bar_trap_response), 8, "gsp_bar_trap_response size"); - TEST_ASSERT_EQ(sizeof(struct gsp_migrate_payload), 56, "gsp_migrate_payload size"); - TEST_ASSERT_EQ(sizeof(struct gsp_subcmd_desc), 8, "gsp_subcmd_desc size"); - TEST_ASSERT_EQ(sizeof(struct gsp_vf_config), 56, "gsp_vf_config size"); - - return 0; -} - -/* ============================================================ - * Test: Enum Values (from driver header) - * ============================================================ */ - -static int test_enum_values(void) -{ - pr_info("=== Testing Enum Values ===\n"); - - TEST_ASSERT_EQ(GSP_RPC_ALLOC, 0x01, "RPC_ALLOC"); - TEST_ASSERT_EQ(GSP_RPC_FREE, 0x02, "RPC_FREE"); - TEST_ASSERT_EQ(GSP_RPC_MAP, 0x03, "RPC_MAP"); - TEST_ASSERT_EQ(GSP_RPC_UNMAP, 0x04, "RPC_UNMAP"); - TEST_ASSERT_EQ(GSP_RPC_PIN, 0x05, "RPC_PIN"); - TEST_ASSERT_EQ(GSP_RPC_UNPIN, 0x06, "RPC_UNPIN"); - TEST_ASSERT_EQ(GSP_RPC_SCHEDULE, 0x07, "RPC_SCHEDULE"); - TEST_ASSERT_EQ(GSP_RPC_YIELD, 0x08, "RPC_YIELD"); - TEST_ASSERT_EQ(GSP_RPC_NOTIFY, 0x09, "RPC_NOTIFY"); - TEST_ASSERT_EQ(GSP_RPC_BAR_TRAP, 0x0A, "RPC_BAR_TRAP"); - TEST_ASSERT_EQ(GSP_RPC_MIGRATE, 0x0B, "RPC_MIGRATE"); - TEST_ASSERT_EQ(GSP_RPC_DEBUG, 0x0C, "RPC_DEBUG"); - - TEST_ASSERT_EQ(GSP_MEM_VRAM, 0, "MEM_VRAM"); - TEST_ASSERT_EQ(GSP_MEM_SYSMEM, 1, "MEM_SYSMEM"); - TEST_ASSERT_EQ(GSP_MEM_UNCACHED, 2, "MEM_UNCACHED"); - - TEST_ASSERT_EQ(GSP_PIN_READ, (1 << 0), "PIN_READ"); - TEST_ASSERT_EQ(GSP_PIN_WRITE, (1 << 1), "PIN_WRITE"); - TEST_ASSERT_EQ(GSP_PIN_LONGTERM, (1 << 2), "PIN_LONGTERM"); - - TEST_ASSERT_EQ(GSP_MIG_QUERY, 0, "MIG_QUERY"); - TEST_ASSERT_EQ(GSP_MIG_PREPARE, 1, "MIG_PREPARE"); - TEST_ASSERT_EQ(GSP_MIG_TRANSFER, 2, "MIG_TRANSFER"); - TEST_ASSERT_EQ(GSP_MIG_COMMIT, 3, "MIG_COMMIT"); - TEST_ASSERT_EQ(GSP_MIG_CLEANUP, 4, "MIG_CLEANUP"); - - TEST_ASSERT_EQ(GSP_MIG_LIVE, (1 << 0), "MIG_LIVE"); - TEST_ASSERT_EQ(GSP_MIG_POSTCOPY, (1 << 1), "MIG_POSTCOPY"); - TEST_ASSERT_EQ(GSP_MIG_AUTO_COMMIT, (1 << 2), "MIG_AUTO_COMMIT"); - TEST_ASSERT_EQ(GSP_MIG_VERIFY, (1 << 3), "MIG_VERIFY"); - - TEST_ASSERT_EQ(GSP_VF_CREATING, 0, "VF_CREATING"); - TEST_ASSERT_EQ(GSP_VF_ACTIVE, 1, "VF_ACTIVE"); - TEST_ASSERT_EQ(GSP_VF_MIGRATING, 2, "VF_MIGRATING"); - TEST_ASSERT_EQ(GSP_VF_SUSPENDED, 3, "VF_SUSPENDED"); - TEST_ASSERT_EQ(GSP_VF_DESTROYING, 4, "VF_DESTROYING"); - - return 0; -} - -/* ============================================================ - * Test: Error Code Mapping - * ============================================================ */ - -static int test_error_codes(void) -{ - pr_info("=== Testing Error Codes ===\n"); - - TEST_ASSERT_EQ(GSP_OK, 0, "GSP_OK"); - TEST_ASSERT_EQ(GSP_EPERM, 0xFFFFFFFF, "GSP_EPERM"); - TEST_ASSERT_EQ(GSP_ENOENT, 0xFFFFFFFE, "GSP_ENOENT"); - TEST_ASSERT_EQ(GSP_EINVAL, 0xFFFFFFFD, "GSP_EINVAL"); - TEST_ASSERT_EQ(GSP_ENODEV, 0xFFFFFFFA, "GSP_ENODEV"); - TEST_ASSERT_EQ(GSP_ENOMEM, 0xFFFFFFF4, "GSP_ENOMEM"); - TEST_ASSERT_EQ(GSP_EBUSY, 0xFFFFFFEE, "GSP_EBUSY"); - TEST_ASSERT_EQ(GSP_ENOSPC, 0xFFFFFFE4, "GSP_ENOSPC"); - TEST_ASSERT_EQ(GSP_ETIMEDOUT, 0x0000001E, "GSP_ETIMEDOUT"); - TEST_ASSERT_EQ(GSP_EOVERFLOW, 0x00000025, "GSP_EOVERFLOW"); - TEST_ASSERT_EQ(GSP_EDEV, 0x0000001F, "GSP_EDEV"); - - return 0; -} - -/* ============================================================ - * Test: Firmware Constants - * ============================================================ */ - -static int test_firmware_constants(void) -{ - pr_info("=== Testing Firmware Constants ===\n"); - - TEST_ASSERT_EQ(GSP_FW_BASE_ADDR, 0x04000000ULL, "FW_BASE_ADDR"); - TEST_ASSERT_EQ(GSP_FW_SIZE, 0x02000000ULL, "FW_SIZE"); - TEST_ASSERT_EQ(GSP_ENTRY_POINT, 0x04009000ULL, "ENTRY_POINT"); - TEST_ASSERT_EQ(GSP_PRIMARY_DISPATCHER, 0x057A1AC0ULL, "PRIMARY_DISPATCHER"); - TEST_ASSERT_EQ(GSP_SECONDARY_DISPATCHER, 0x04ED39DCULL, "SECONDARY_DISPATCHER"); - TEST_ASSERT_EQ(GSP_RPC_JUMP_TABLE, 0x059BFEB0ULL, "RPC_JUMP_TABLE"); - TEST_ASSERT_EQ(GSP_BAR0_DOORBELL, 0x1000, "BAR0_DOORBELL"); - TEST_ASSERT_EQ(GSP_BAR0_MSIX, 0x2000, "BAR0_MSIX"); - TEST_ASSERT_EQ(GSP_MSG_RING_SIZE, 256, "MSG_RING_SIZE"); - TEST_ASSERT_EQ(GSP_MSG_MAX_SIZE, 256, "MSG_MAX_SIZE"); - TEST_ASSERT_EQ(GSP_MAX_PENDING, 64, "MAX_PENDING"); - - return 0; -} - -/* ============================================================ - * Test: Migration State Enum (internal) - * ============================================================ */ - -static int test_migration_states(void) -{ - pr_info("=== Testing Migration States ===\n"); - - TEST_ASSERT_EQ(GSP_MIG_S_IDLE, 0, "MIG_S_IDLE"); - TEST_ASSERT_EQ(GSP_MIG_S_QUERY, 1, "MIG_S_QUERY"); - TEST_ASSERT_EQ(GSP_MIG_S_PREPARE, 2, "MIG_S_PREPARE"); - TEST_ASSERT_EQ(GSP_MIG_S_TRANSFER, 3, "MIG_S_TRANSFER"); - TEST_ASSERT_EQ(GSP_MIG_S_COMMIT, 4, "MIG_S_COMMIT"); - TEST_ASSERT_EQ(GSP_MIG_S_CLEANUP, 5, "MIG_S_CLEANUP"); - TEST_ASSERT_EQ(GSP_MIG_S_FAILED, 6, "MIG_S_FAILED"); - TEST_ASSERT_EQ(GSP_MIG_S_COMPLETED, 7, "MIG_S_COMPLETED"); - - return 0; -} - -/* ============================================================ - * Test: WPR Flags and Events - * ============================================================ */ - -static int test_wpr_flags(void) -{ - pr_info("=== Testing WPR Flags ===\n"); - - TEST_ASSERT_EQ(GSP_WPR_WRITE, (1 << 0), "WPR_WRITE"); - TEST_ASSERT_EQ(GSP_WPR_READ, (1 << 1), "WPR_READ"); - TEST_ASSERT_EQ(GSP_WPR_EXECUTE, (1 << 2), "WPR_EXECUTE"); - - TEST_ASSERT_EQ(GSP_WPR_WRITE_COMPLETE, 0, "WPR_WRITE_COMPLETE"); - TEST_ASSERT_EQ(GSP_WPR_READ_COMPLETE, 1, "WPR_READ_COMPLETE"); - TEST_ASSERT_EQ(GSP_WPR_WRITE_TIMEOUT, 2, "WPR_WRITE_TIMEOUT"); - TEST_ASSERT_EQ(GSP_WPR_READ_TIMEOUT, 3, "WPR_READ_TIMEOUT"); - - return 0; -} - -/* ============================================================ - * Test: Message Flags - * ============================================================ */ - -static int test_message_flags(void) -{ - pr_info("=== Testing Message Flags ===\n"); - - TEST_ASSERT_EQ(GSP_MSG_SYNC, (1 << 0), "MSG_SYNC"); - TEST_ASSERT_EQ(GSP_MSG_ASYNC, (1 << 1), "MSG_ASYNC"); - TEST_ASSERT_EQ(GSP_MSG_NOREPLY, (1 << 2), "MSG_NOREPLY"); - - return 0; -} - -/* ============================================================ - * Test: BAR Trap Types - * ============================================================ */ - -static int test_bar_trap_types(void) -{ - pr_info("=== Testing BAR Trap Types ===\n"); - - TEST_ASSERT_EQ(GSP_BAR_READ, 0, "BAR_READ"); - TEST_ASSERT_EQ(GSP_BAR_WRITE, 1, "BAR_WRITE"); - TEST_ASSERT_EQ(GSP_BAR_ATOMIC, 2, "BAR_ATOMIC"); - - return 0; -} - -/* ============================================================ - * Test: Memory Allocation Patterns - * ============================================================ */ - -static int test_memory_patterns(void) -{ - pr_info("=== Testing Memory Allocation Patterns ===\n"); - - /* Test vzalloc/vfree */ - void *ptr = vzalloc(4096); - TEST_ASSERT(ptr != NULL, "vzalloc allocates memory"); - vfree(ptr); - - /* Test kmalloc/kfree */ - ptr = kmalloc(1024, GFP_KERNEL); - TEST_ASSERT(ptr != NULL, "kmalloc allocates memory"); - kfree(ptr); - - /* Test kcalloc */ - ptr = kcalloc(10, 64, GFP_KERNEL); - TEST_ASSERT(ptr != NULL, "kcalloc allocates zeroed memory"); - kfree(ptr); - - return 0; -} - -/* ============================================================ - * Test: String Operations - * ============================================================ */ - -static int test_string_ops(void) -{ - pr_info("=== Testing String Operations ===\n"); - - char buf[64]; - int len = snprintf(buf, sizeof(buf), "test_%d", 42); - TEST_ASSERT(len > 0 && len < sizeof(buf), "snprintf works"); - TEST_ASSERT(strcmp(buf, "test_42") == 0, "snprintf formats correctly"); - - char *dup = kstrdup("test_string", GFP_KERNEL); - TEST_ASSERT(dup != NULL, "kstrdup works"); - TEST_ASSERT(strcmp(dup, "test_string") == 0, "kstrdup copies correctly"); - kfree(dup); - - return 0; -} - -/* ============================================================ - * Test Suite Runner - * ============================================================ */ - -static int run_all_tests(void) -{ - pr_info("\n============================================================\n"); - pr_info("GSP vGPU-IO Comprehensive Test Suite Starting\n"); - pr_info("============================================================\n\n"); - - test_kernel_apis(); - test_structure_sizes(); - test_enum_values(); - test_error_codes(); - test_firmware_constants(); - test_migration_states(); - test_wpr_flags(); - test_message_flags(); - test_bar_trap_types(); - test_memory_patterns(); - test_string_ops(); - - pr_info("\n============================================================\n"); - pr_info("TEST RESULTS: %d total, %d passed, %d failed\n", - test_count, pass_count, fail_count); - pr_info("============================================================\n"); - - if (fail_count == 0) { - pr_info("TEST SUITE PASSED\n"); - return 0; - } else { - pr_err("TEST SUITE FAILED\n"); - return -1; - } -} - -/* ============================================================ - * Module Init/Exit - * ============================================================ */ - -static int __init gsp_test_init(void) -{ - return run_all_tests(); -} - -static void __exit gsp_test_exit(void) -{ - pr_info("GSP vGPU-IO test module unloaded\n"); -} - -module_init(gsp_test_init); -module_exit(gsp_test_exit); - -MODULE_LICENSE("GPL v2"); -MODULE_AUTHOR("NVIDIA vGPU-IO Team"); -MODULE_DESCRIPTION("GSP vGPU-IO Comprehensive Test Suite"); -MODULE_VERSION("1.0.0");
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