virt: add initial KVM validation coverage

Runner/suites/Virtualization/KVM/KVM_Driver/KVM_Driver.yaml

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+metadata:
+  name: KVM_Driver
+  format: "Lava-Test Test Definition 1.0"
+  description: "Validate /dev/kvm device node and KVM ioctl API"
+  maintainer:
+    - Srikanth kumar
+  os:
+    - linux
+  scope:
+    - functional
+
+run:
+  steps:
+    - REPO_PATH=$PWD
+    - cd Runner/suites/Virtualization/KVM/KVM_Driver
+    - ./run.sh || true
+    - $REPO_PATH/Runner/utils/send-to-lava.sh KVM_Driver.res

Runner/suites/Virtualization/KVM/KVM_Driver/README.md

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+# KVM_Driver
+
+## Overview
+
+`KVM_Driver` validates the mandatory KVM host configuration, `/dev/kvm`
+runtime device node, and KVM userspace ioctl API.
+
+This test now covers the baseline KVM boot/config validation that was previously
+covered separately by `KVM_Boot_Up`, and then performs a stronger functional
+driver check by opening `/dev/kvm`, validating the KVM API version, and
+attempting a safe `KVM_CREATE_VM` ioctl through the shared `lib_kvm.sh` helper.
+
+This test does not launch QEMU and does not boot a guest VM.
+
+## Test location
+
+```text
+Runner/suites/Virtualization/KVM/KVM_Driver/
+```
+
+## Files
+
+```text
+run.sh
+KVM_Driver.yaml
+README.md
+```
+
+## Dependencies
+
+The test uses common helpers from:
+
+```text
+Runner/utils/functestlib.sh
+Runner/utils/lib_kvm.sh
+```
+
+Required target utilities:
+
+```text
+cat grep awk sed tr mkdir uname
+```
+
+Additional helper dependency:
+
+```text
+python3
+```
+
+`python3` is used by `kvm_check_api_version()` to issue the `/dev/kvm` ioctl
+checks without requiring a prebuilt C helper binary. If `python3` is not
+present, the test reports `SKIP`.
+
+## Validation coverage
+
+The test validates:
+
+1. Mandatory kernel config support:
+   - `CONFIG_VIRTUALIZATION`
+   - `CONFIG_KVM`
+
+2. Optional KVM-related configs are logged when visible:
+   - `CONFIG_HAVE_KVM`
+   - `CONFIG_HAVE_KVM_IRQCHIP`
+   - `CONFIG_HAVE_KVM_IRQFD`
+   - `CONFIG_KVM_ARM_PMU`
+   - `CONFIG_KVM_GENERIC_DIRTYLOG_READ_PROTECT`
+
+3. Runtime device node:
+   - `/dev/kvm` exists
+   - `/dev/kvm` is a character device
+   - `/dev/kvm` is readable and writable
+
+4. KVM API ioctl path:
+   - `open("/dev/kvm")`
+   - `KVM_GET_API_VERSION`
+   - API version must be `12`
+   - `KVM_CREATE_VM`
+
+5. Kernel log scan:
+   - checks for fatal KVM/EL2/HYP/GIC related runtime errors
+
+## Result policy
+
+### PASS
+
+The test reports `PASS` when:
+
+- mandatory KVM configs are enabled,
+- `/dev/kvm` is present and accessible,
+- KVM ioctl API validation passes,
+- no fatal KVM/EL2 errors are detected in kernel logs.
+
+### SKIP
+
+The test reports `SKIP` when:
+
+- `python3` is not available for the ioctl helper,
+- required userspace utilities are missing,
+- the testcase path or setup environment cannot be resolved before test
+  execution starts.
+
+### FAIL
+
+The test reports `FAIL` when:
+
+- `CONFIG_VIRTUALIZATION` is not enabled,
+- `CONFIG_KVM` is not enabled,
+- `/dev/kvm` is not present,
+- `/dev/kvm` exists but is not usable,
+- KVM ioctl API validation fails,
+- fatal KVM/EL2/HYP related errors are detected in kernel logs.
+
+## Manual execution
+
+From the repository root on target:
+
+```sh
+cd Runner/suites/Virtualization/KVM/KVM_Driver
+./run.sh
+cat KVM_Driver.res
+```
+
+Expected result file:
+
+```text
+KVM_Driver PASS
+```
+
+or:
+
+```text
+KVM_Driver SKIP
+```
+
+or:
+
+```text
+KVM_Driver FAIL
+```
+
+## LAVA execution
+
+The YAML file runs:
+
+```sh
+cd Runner/suites/Virtualization/KVM/KVM_Driver
+./run.sh || true
+$REPO_PATH/Runner/utils/send-to-lava.sh KVM_Driver.res
+```
+
+## Logs
+
+The test creates logs under:
+
+```text
+results/KVM_Driver/
+```
+
+KVM/EL2 dmesg logs are captured under:
+
+```text
+results/KVM_Driver/dmesg/
+```
+
+## Notes
+
+`KVM_Driver` intentionally includes the baseline KVM boot/config checks so a
+separate `KVM_Boot_Up` test is not required.
+
+This test does not launch QEMU or boot a guest VM. That coverage belongs to:
+
+```text
+KVM_Infra
+QEMU_VM_Validation
+```
+
+This test also does not validate EL2-DTB remoteproc/IOMMU evidence. That is
+covered by:
+
+```text
+KVM_EL2_DTB
+```

Runner/suites/Virtualization/KVM/KVM_Driver/run.sh

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+#!/bin/sh
+# Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries.
+# SPDX-License-Identifier: BSD-3-Clause
+
+TESTNAME="KVM_Driver"
+
+# Robustly find and source init_env
+SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
+INIT_ENV=""
+SEARCH="$SCRIPT_DIR"
+
+while [ "$SEARCH" != "/" ]; do
+    if [ -f "$SEARCH/init_env" ]; then
+        INIT_ENV="$SEARCH/init_env"
+        break
+    fi
+    SEARCH=$(dirname "$SEARCH")
+done
+
+RES_FALLBACK="$SCRIPT_DIR/${TESTNAME}.res"
+
+if [ -z "$INIT_ENV" ]; then
+    echo "[ERROR] Could not find init_env (starting at $SCRIPT_DIR)" >&2
+    echo "$TESTNAME SKIP" >"$RES_FALLBACK" 2>/dev/null || true
+    exit 0
+fi
+
+# Only source if not already loaded (idempotent)
+if [ -z "${__INIT_ENV_LOADED:-}" ]; then
+    # shellcheck disable=SC1090
+    . "$INIT_ENV"
+    __INIT_ENV_LOADED=1
+fi
+
+# Always source functestlib.sh, using $TOOLS exported by init_env
+# shellcheck disable=SC1090,SC1091
+. "$TOOLS/functestlib.sh"
+
+# Source KVM helper library
+# shellcheck disable=SC1090,SC1091
+. "$TOOLS/lib_kvm.sh"
+
+test_path=$(find_test_case_by_name "$TESTNAME")
+if [ -z "$test_path" ] || [ ! -d "$test_path" ]; then
+    log_skip "$TESTNAME SKIP - test path not found"
+    echo "$TESTNAME SKIP" >"$RES_FALLBACK" 2>/dev/null || true
+    exit 0
+fi
+
+if ! cd "$test_path"; then
+    log_skip "$TESTNAME SKIP - cannot cd into $test_path"
+    echo "$TESTNAME SKIP" >"$RES_FALLBACK" 2>/dev/null || true
+    exit 0
+fi
+
+# shellcheck disable=SC2034
+res_file="./$TESTNAME.res"
+RESULT_DIR="./results/$TESTNAME"
+DMESG_DIR="$RESULT_DIR/dmesg"
+
+mkdir -p "$DMESG_DIR" 2>/dev/null || true
+
+log_info "-----------------------------------------------------------------------------------------"
+log_info "-------------------Starting $TESTNAME Testcase----------------------------"
+log_info "=== Test Initialization ==="
+
+deps_list="cat grep awk sed tr mkdir uname"
+log_info "Checking dependencies: $deps_list"
+if ! check_dependencies "$deps_list"; then
+    log_skip "$TESTNAME SKIP - missing one or more dependencies: $deps_list"
+    echo "$TESTNAME SKIP" >"$res_file"
+    exit 0
+fi
+
+if command -v detect_platform >/dev/null 2>&1; then
+    detect_platform >/dev/null 2>&1 || true
+    log_info "Platform Details: machine='${PLATFORM_MACHINE:-unknown}' target='${PLATFORM_TARGET:-unknown}' kernel='${PLATFORM_KERNEL:-}' arch='${PLATFORM_ARCH:-}'"
+else
+    log_info "Platform Details: kernel='$(uname -r 2>/dev/null || echo unknown)' arch='$(uname -m 2>/dev/null || echo unknown)'"
+fi
+
+log_info "=== KVM Kernel Config Validation ==="
+
+mandatory_cfg_missing=0
+
+for cfg in CONFIG_VIRTUALIZATION CONFIG_KVM; do
+    if ! check_kernel_config "$cfg"; then
+        mandatory_cfg_missing=1
+    fi
+done
+
+if [ "$mandatory_cfg_missing" -ne 0 ]; then
+    log_fail "$TESTNAME FAIL - mandatory KVM kernel config is missing"
+    echo "$TESTNAME FAIL" >"$res_file"
+    exit 0
+fi
+
+# Optional configs: log only, do not gate test result.
+for cfg in \
+    CONFIG_HAVE_KVM \
+    CONFIG_HAVE_KVM_IRQCHIP \
+    CONFIG_HAVE_KVM_IRQFD \
+    CONFIG_KVM_ARM_PMU \
+    CONFIG_KVM_GENERIC_DIRTYLOG_READ_PROTECT
+do
+    kvm_log_optional_kernel_config "$cfg" || true
+done
+
+log_info "=== KVM Device Node Validation ==="
+kvm_check_device_node
+dev_rc=$?
+
+if [ "$dev_rc" -eq 2 ]; then
+    log_fail "$TESTNAME FAIL - /dev/kvm is not available"
+    echo "$TESTNAME FAIL" >"$res_file"
+    exit 0
+fi
+
+if [ "$dev_rc" -ne 0 ]; then
+    log_fail "$TESTNAME FAIL - /dev/kvm node validation failed"
+    echo "$TESTNAME FAIL" >"$res_file"
+    exit 0
+fi
+
+log_info "=== KVM ioctl API Validation ==="
+kvm_check_api_version
+api_rc=$?
+
+if [ "$api_rc" -eq 2 ]; then
+    log_skip "$TESTNAME SKIP - KVM API helper dependency is not available"
+    echo "$TESTNAME SKIP" >"$res_file"
+    exit 0
+fi
+
+if [ "$api_rc" -ne 0 ]; then
+    log_fail "$TESTNAME FAIL - KVM ioctl API validation failed"
+    echo "$TESTNAME FAIL" >"$res_file"
+    exit 0
+fi
+
+log_info "=== KVM Driver Dmesg Validation ==="
+if ! kvm_check_boot_dmesg_errors "$DMESG_DIR"; then
+    log_fail "$TESTNAME FAIL - fatal KVM/EL2 dmesg errors detected"
+    echo "$TESTNAME FAIL" >"$res_file"
+    exit 0
+fi
+
+log_pass "$TESTNAME PASS - KVM kernel config, /dev/kvm, and ioctl API are valid"
+echo "$TESTNAME PASS" >"$res_file"
+
+log_info "-------------------Completed $TESTNAME Testcase----------------------------"
+exit 0

Runner/suites/Virtualization/KVM/KVM_EL2_DTB/KVM_EL2_DTB.yaml

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+metadata:
+  name: KVM_EL2_DTB
+  format: "Lava-Test Test Definition 1.0"
+  description: "Validate dynamic EL2-DTB remoteproc/IOMMU runtime evidence for KVM boot"
+  maintainer:
+    - Srikanth kumar
+  os:
+    - linux
+  scope:
+    - functional
+
+run:
+  steps:
+    - REPO_PATH=$PWD
+    - cd Runner/suites/Virtualization/KVM/KVM_EL2_DTB
+    - ./run.sh || true
+    - $REPO_PATH/Runner/utils/send-to-lava.sh KVM_EL2_DTB.res