<refactor>[pciDevice]: Flyway migrations for GPU scope, BM2 phantom host, MdevDeviceVO subtable

conf/db/upgrade/V6.0.0.1__gpu_add_scope.sql

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+-- V6.0.0.1: Add scope and chassisUuid to GpuDeviceVO for unified GPU management
+
+DELIMITER $$
+DROP PROCEDURE IF EXISTS add_gpu_scope_columns$$
+CREATE PROCEDURE add_gpu_scope_columns()
+BEGIN
+    IF NOT EXISTS (SELECT 1 FROM information_schema.COLUMNS
+                   WHERE TABLE_SCHEMA = DATABASE()
+                   AND TABLE_NAME = 'GpuDeviceVO'
+                   AND COLUMN_NAME = 'scope') THEN
+        ALTER TABLE `GpuDeviceVO` ADD COLUMN `scope` VARCHAR(32) DEFAULT 'VM' NOT NULL;
+    END IF;
+
+    IF NOT EXISTS (SELECT 1 FROM information_schema.COLUMNS
+                   WHERE TABLE_SCHEMA = DATABASE()
+                   AND TABLE_NAME = 'GpuDeviceVO'
+                   AND COLUMN_NAME = 'chassisUuid') THEN
+        ALTER TABLE `GpuDeviceVO` ADD COLUMN `chassisUuid` VARCHAR(32) DEFAULT NULL;
+    END IF;
+
+    -- Mark HAMI-virtualized GPUs as CONTAINER scope
+    UPDATE `GpuDeviceVO` g
+        JOIN `PciDeviceVO` p ON g.`uuid` = p.`uuid`
+    SET g.`scope` = 'CONTAINER'
+    WHERE p.`virtStatus` = 'HAMI_VIRTUALIZED';
+
+    -- Index for scope-based queries
+    IF NOT EXISTS (SELECT 1 FROM information_schema.STATISTICS
+                   WHERE TABLE_SCHEMA = DATABASE()
+                   AND TABLE_NAME = 'GpuDeviceVO'
+                   AND INDEX_NAME = 'idxGpuDeviceVOScope') THEN
+        CREATE INDEX `idxGpuDeviceVOScope` ON `GpuDeviceVO` (`scope`);
+    END IF;
+END$$
+DELIMITER ;
+
+CALL add_gpu_scope_columns();
+DROP PROCEDURE IF EXISTS add_gpu_scope_columns;

conf/db/upgrade/V6.0.0.2__bm2_gpu_migrate.sql

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+-- V6.0.0.2: Migrate BareMetal2 GPU devices to unified GpuDeviceVO via phantom hosts
+-- Conditional: only runs if BareMetal2 tables exist (skipped in non-BM2 deployments)
+
+DELIMITER $$
+DROP PROCEDURE IF EXISTS bm2_gpu_migrate$$
+CREATE PROCEDURE bm2_gpu_migrate()
+BEGIN
+    IF (SELECT COUNT(*) FROM information_schema.TABLES
+        WHERE TABLE_SCHEMA = DATABASE() AND TABLE_NAME = 'BareMetal2ChassisGpuDeviceVO') > 0 THEN
+
+-- Step 1: Create phantom hosts for each BM2 chassis that has GPU devices
+INSERT INTO `HostEO` (
+    `uuid`, `name`, `description`,
+    `zoneUuid`, `clusterUuid`,
+    `managementIp`, `hypervisorType`, `state`, `status`,
+    `createDate`, `lastOpDate`
+)
+SELECT
+    CONCAT('ph-', SUBSTRING(c.`uuid`, 1, 29)),
+    CONCAT('[BM2] ', c.`name`),
+    CONCAT('Phantom host for BareMetal2 chassis ', c.`uuid`),
+    c.`zoneUuid`,
+    c.`clusterUuid`,
+    '',
+    'BareMetal2',
+    'Enabled',
+    'Connected',
+    c.`createDate`,
+    NOW()
+FROM `BareMetal2ChassisVO` c
+WHERE c.`uuid` IN (
+    SELECT DISTINCT bm.`chassisUuid`
+    FROM `BareMetal2ChassisPciDeviceVO` bm
+    WHERE bm.`uuid` IN (SELECT `uuid` FROM `BareMetal2ChassisGpuDeviceVO`)
+)
+AND NOT EXISTS (
+    SELECT 1 FROM `HostEO` h WHERE h.`uuid` = CONCAT('ph-', SUBSTRING(c.`uuid`, 1, 29))
+);
+
+-- Step 2: Migrate PCI base data to PciDeviceVO
+INSERT INTO `PciDeviceVO` (
+    `uuid`, `name`, `description`,
+    `hostUuid`,
+    `type`, `state`, `status`, `virtStatus`,
+    `vendorId`, `deviceId`, `subvendorId`, `subdeviceId`,
+    `pciDeviceAddress`, `iommuGroup`,
+    `vendor`, `device`,
+    `createDate`, `lastOpDate`
+)
+SELECT
+    bm.`uuid`, bm.`name`, bm.`description`,
+    CONCAT('ph-', SUBSTRING(bm.`chassisUuid`, 1, 29)),
+    bm.`type`, 'Enabled', 'Active', 'UNVIRTUALIZABLE',
+    bm.`vendorId`, bm.`deviceId`, bm.`subvendorId`, bm.`subdeviceId`,
+    bm.`pciDeviceAddress`, bm.`iommuGroup`,
+    bm.`vendor`, bm.`device`,
+    bm.`createDate`, bm.`lastOpDate`
+FROM `BareMetal2ChassisPciDeviceVO` bm
+WHERE bm.`uuid` IN (SELECT `uuid` FROM `BareMetal2ChassisGpuDeviceVO`)
+AND NOT EXISTS (
+    SELECT 1 FROM `PciDeviceVO` p WHERE p.`uuid` = bm.`uuid`
+);
+
+-- Step 3: Migrate GPU extension data to GpuDeviceVO
+INSERT INTO `GpuDeviceVO` (
+    `uuid`, `serialNumber`, `memory`, `power`, `isDriverLoaded`,
+    `scope`, `chassisUuid`
+)
+SELECT
+    bg.`uuid`, bg.`serialNumber`, bg.`memory`, bg.`power`, bg.`isDriverLoaded`,
+    'BARE_METAL', bm.`chassisUuid`
+FROM `BareMetal2ChassisGpuDeviceVO` bg
+JOIN `BareMetal2ChassisPciDeviceVO` bm ON bg.`uuid` = bm.`uuid`
+WHERE NOT EXISTS (
+    SELECT 1 FROM `GpuDeviceVO` g WHERE g.`uuid` = bg.`uuid`
+);
+
+-- Step 4: Mark old table as migrated (preserve for 1 version)
+ALTER TABLE `BareMetal2ChassisPciDeviceVO` ADD COLUMN IF NOT EXISTS `_migrated` TINYINT(1) DEFAULT 0;
+UPDATE `BareMetal2ChassisPciDeviceVO` SET `_migrated` = 1
+    WHERE `uuid` IN (SELECT `uuid` FROM `BareMetal2ChassisGpuDeviceVO`);
+
+    END IF;
+END$$
+DELIMITER ;
+
+CALL bm2_gpu_migrate();
+DROP PROCEDURE IF EXISTS bm2_gpu_migrate;

conf/db/upgrade/V6.0.0.3__mdev_subtable.sql

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+-- V6.0.0.3: Convert MdevDeviceVO from standalone to PciDeviceVO subtable
+
+DELIMITER $$
+DROP PROCEDURE IF EXISTS migrate_mdev_subtable$$
+CREATE PROCEDURE migrate_mdev_subtable()
+BEGIN
+    -- Only proceed if old MdevDeviceVO exists and is NOT yet a subtable of PciDeviceVO
+    IF EXISTS (SELECT 1 FROM information_schema.TABLES
+               WHERE TABLE_SCHEMA = DATABASE() AND TABLE_NAME = 'MdevDeviceVO')
+       AND NOT EXISTS (SELECT 1 FROM information_schema.TABLE_CONSTRAINTS
+                       WHERE TABLE_SCHEMA = DATABASE()
+                       AND TABLE_NAME = 'MdevDeviceVO'
+                       AND CONSTRAINT_NAME = 'fkMdevDeviceVOPciDeviceVO') THEN
+
+        -- Step 1: Migrate MdevDeviceVO shared fields into PciDeviceVO
+        INSERT INTO `PciDeviceVO` (
+            `uuid`, `name`, `description`,
+            `hostUuid`, `parentUuid`, `vmInstanceUuid`,
+            `type`, `state`, `status`, `virtStatus`, `chooser`,
+            `vendor`,
+            `vendorId`, `deviceId`, `subvendorId`, `subdeviceId`,
+            `pciDeviceAddress`,
+            `createDate`, `lastOpDate`
+        )
+        SELECT
+            m.`uuid`, m.`name`, m.`description`,
+            m.`hostUuid`, m.`parentUuid`, m.`vmInstanceUuid`,
+            m.`type`,
+            m.`state`,
+            m.`status`,
+            'VFIO_MDEV_VIRTUAL',
+            m.`chooser`,
+            m.`vendor`,
+            p.`vendorId`, p.`deviceId`, p.`subvendorId`, p.`subdeviceId`,
+            m.`mdevDeviceAddress`,
+            m.`createDate`, m.`lastOpDate`
+        FROM `MdevDeviceVO` m
+        LEFT JOIN `PciDeviceVO` p ON m.`parentUuid` = p.`uuid`
+        WHERE NOT EXISTS (
+            SELECT 1 FROM `PciDeviceVO` pci WHERE pci.`uuid` = m.`uuid`
+        );
+
+        -- Step 2: Rename old MdevDeviceVO table
+        RENAME TABLE `MdevDeviceVO` TO `MdevDeviceVO_old`;
+
+        -- Step 3: Create new MdevDeviceVO as subtable of PciDeviceVO
+        CREATE TABLE `MdevDeviceVO` (
+            `uuid` VARCHAR(32) NOT NULL UNIQUE,
+            `mdevSpecUuid` VARCHAR(32) DEFAULT NULL,
+            `mttyUuid` VARCHAR(32) DEFAULT NULL,
+            `mdevDeviceAddress` VARCHAR(128) DEFAULT NULL,
+            PRIMARY KEY (`uuid`),
+            CONSTRAINT `fkMdevDeviceVOPciDeviceVO`
+                FOREIGN KEY (`uuid`) REFERENCES `PciDeviceVO`(`uuid`) ON DELETE CASCADE,
+            CONSTRAINT `fkMdevDeviceVOMdevSpecVO`
+                FOREIGN KEY (`mdevSpecUuid`) REFERENCES `MdevDeviceSpecVO`(`uuid`) ON DELETE SET NULL,
+            CONSTRAINT `fkMdevDeviceVOMttyDeviceVO`
+                FOREIGN KEY (`mttyUuid`) REFERENCES `MttyDeviceVO`(`uuid`) ON DELETE CASCADE
+        ) ENGINE=InnoDB;
+
+        -- Step 4: Migrate mdev-specific data to new subtable
+        INSERT IGNORE INTO `MdevDeviceVO` (`uuid`, `mdevSpecUuid`, `mttyUuid`, `mdevDeviceAddress`)
+        SELECT `uuid`, `mdevSpecUuid`, `mttyUuid`, `mdevDeviceAddress`
+        FROM `MdevDeviceVO_old`;
+
+    END IF;
+
+    -- Only run AccountResourceRefVO migration if MdevDeviceVO table exists
+    IF EXISTS (SELECT 1 FROM information_schema.TABLES
+               WHERE TABLE_SCHEMA = DATABASE() AND TABLE_NAME = 'MdevDeviceVO') THEN
+
+        -- Step 5: Migrate AccountResourceRefVO references (safe to re-run)
+        INSERT IGNORE INTO `AccountResourceRefVO` (
+            `uuid`, `accountUuid`, `ownerAccountUuid`, `resourceUuid`,
+            `resourceType`, `concreteResourceType`, `createDate`, `lastOpDate`
+        )
+        SELECT
+            REPLACE(UUID(), '-', ''),
+            ar.`accountUuid`, ar.`ownerAccountUuid`,
+            ar.`resourceUuid`,
+            'PciDeviceVO',
+            'org.zstack.pciDevice.PciDeviceVO',
+            NOW(), NOW()
+        FROM `AccountResourceRefVO` ar
+        WHERE ar.`resourceType` = 'MdevDeviceVO'
+        AND ar.`resourceUuid` IN (SELECT `uuid` FROM `MdevDeviceVO`)
+        AND NOT EXISTS (
+            SELECT 1 FROM `AccountResourceRefVO` a2
+            WHERE a2.`resourceUuid` = ar.`resourceUuid` AND a2.`resourceType` = 'PciDeviceVO'
+        );
+
+        -- Step 6: Remove old MdevDeviceVO AccountResourceRefVO entries
+        DELETE FROM `AccountResourceRefVO`
+        WHERE `resourceType` = 'MdevDeviceVO'
+        AND `resourceUuid` IN (SELECT `uuid` FROM `MdevDeviceVO`);
+
+    END IF;
+
+    -- MdevDeviceVO_old preserved for rollback verification (drop in next version)
+END$$
+DELIMITER ;
+
+CALL migrate_mdev_subtable();
+DROP PROCEDURE IF EXISTS migrate_mdev_subtable;