 b8e665e4d8
			
		
	
	
		b8e665e4d8
		
	
	
	
	
		
			
			Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com> Message-id: 1416497234-29880-5-git-send-email-kwolf@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
		
			
				
	
	
		
			683 lines
		
	
	
		
			20 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			683 lines
		
	
	
		
			20 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * QTest testcase for VirtIO Block Device
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|  *
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|  * Copyright (c) 2014 SUSE LINUX Products GmbH
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|  * Copyright (c) 2014 Marc Marí
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|  *
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|  * This work is licensed under the terms of the GNU GPL, version 2 or later.
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|  * See the COPYING file in the top-level directory.
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|  */
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| 
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| #include <glib.h>
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| #include <string.h>
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| #include <stdlib.h>
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| #include <unistd.h>
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| #include <stdio.h>
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| #include "libqtest.h"
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| #include "libqos/virtio.h"
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| #include "libqos/virtio-pci.h"
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| #include "libqos/pci-pc.h"
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| #include "libqos/malloc.h"
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| #include "libqos/malloc-pc.h"
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| #include "qemu/bswap.h"
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| 
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| #define QVIRTIO_BLK_F_BARRIER       0x00000001
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| #define QVIRTIO_BLK_F_SIZE_MAX      0x00000002
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| #define QVIRTIO_BLK_F_SEG_MAX       0x00000004
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| #define QVIRTIO_BLK_F_GEOMETRY      0x00000010
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| #define QVIRTIO_BLK_F_RO            0x00000020
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| #define QVIRTIO_BLK_F_BLK_SIZE      0x00000040
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| #define QVIRTIO_BLK_F_SCSI          0x00000080
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| #define QVIRTIO_BLK_F_WCE           0x00000200
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| #define QVIRTIO_BLK_F_TOPOLOGY      0x00000400
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| #define QVIRTIO_BLK_F_CONFIG_WCE    0x00000800
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| 
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| #define QVIRTIO_BLK_T_IN            0
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| #define QVIRTIO_BLK_T_OUT           1
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| #define QVIRTIO_BLK_T_SCSI_CMD      2
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| #define QVIRTIO_BLK_T_SCSI_CMD_OUT  3
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| #define QVIRTIO_BLK_T_FLUSH         4
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| #define QVIRTIO_BLK_T_FLUSH_OUT     5
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| #define QVIRTIO_BLK_T_GET_ID        8
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| 
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| #define TEST_IMAGE_SIZE         (64 * 1024 * 1024)
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| #define QVIRTIO_BLK_TIMEOUT_US  (30 * 1000 * 1000)
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| #define PCI_SLOT                0x04
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| #define PCI_FN                  0x00
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| 
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| #define PCI_SLOT_HP             0x06
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| 
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| typedef struct QVirtioBlkReq {
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|     uint32_t type;
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|     uint32_t ioprio;
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|     uint64_t sector;
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|     char *data;
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|     uint8_t status;
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| } QVirtioBlkReq;
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| 
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| static QPCIBus *test_start(void)
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| {
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|     char *cmdline;
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|     char tmp_path[] = "/tmp/qtest.XXXXXX";
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|     int fd, ret;
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| 
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|     /* Create a temporary raw image */
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|     fd = mkstemp(tmp_path);
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|     g_assert_cmpint(fd, >=, 0);
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|     ret = ftruncate(fd, TEST_IMAGE_SIZE);
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|     g_assert_cmpint(ret, ==, 0);
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|     close(fd);
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| 
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|     cmdline = g_strdup_printf("-drive if=none,id=drive0,file=%s,format=raw "
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|                               "-drive if=none,id=drive1,file=/dev/null,format=raw "
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|                               "-device virtio-blk-pci,id=drv0,drive=drive0,"
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|                               "addr=%x.%x",
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|                               tmp_path, PCI_SLOT, PCI_FN);
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|     qtest_start(cmdline);
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|     unlink(tmp_path);
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|     g_free(cmdline);
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| 
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|     return qpci_init_pc();
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| }
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| 
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| static void test_end(void)
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| {
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|     qtest_end();
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| }
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| 
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| static QVirtioPCIDevice *virtio_blk_init(QPCIBus *bus, int slot)
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| {
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|     QVirtioPCIDevice *dev;
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| 
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|     dev = qvirtio_pci_device_find(bus, QVIRTIO_BLK_DEVICE_ID);
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|     g_assert(dev != NULL);
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|     g_assert_cmphex(dev->vdev.device_type, ==, QVIRTIO_BLK_DEVICE_ID);
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|     g_assert_cmphex(dev->pdev->devfn, ==, ((slot << 3) | PCI_FN));
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| 
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|     qvirtio_pci_device_enable(dev);
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|     qvirtio_reset(&qvirtio_pci, &dev->vdev);
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|     qvirtio_set_acknowledge(&qvirtio_pci, &dev->vdev);
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|     qvirtio_set_driver(&qvirtio_pci, &dev->vdev);
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| 
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|     return dev;
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| }
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| 
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| static inline void virtio_blk_fix_request(QVirtioBlkReq *req)
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| {
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| #ifdef HOST_WORDS_BIGENDIAN
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|     bool host_endian = true;
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| #else
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|     bool host_endian = false;
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| #endif
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| 
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|     if (qtest_big_endian() != host_endian) {
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|         req->type = bswap32(req->type);
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|         req->ioprio = bswap32(req->ioprio);
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|         req->sector = bswap64(req->sector);
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|     }
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| }
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| 
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| static uint64_t virtio_blk_request(QGuestAllocator *alloc, QVirtioBlkReq *req,
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|                                                             uint64_t data_size)
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| {
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|     uint64_t addr;
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|     uint8_t status = 0xFF;
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| 
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|     g_assert_cmpuint(data_size % 512, ==, 0);
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|     addr = guest_alloc(alloc, sizeof(*req) + data_size);
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| 
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|     virtio_blk_fix_request(req);
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| 
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|     memwrite(addr, req, 16);
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|     memwrite(addr + 16, req->data, data_size);
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|     memwrite(addr + 16 + data_size, &status, sizeof(status));
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| 
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|     return addr;
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| }
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| 
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| static void pci_basic(void)
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| {
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|     QVirtioPCIDevice *dev;
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|     QPCIBus *bus;
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|     QVirtQueuePCI *vqpci;
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|     QGuestAllocator *alloc;
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|     QVirtioBlkReq req;
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|     void *addr;
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|     uint64_t req_addr;
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|     uint64_t capacity;
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|     uint32_t features;
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|     uint32_t free_head;
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|     uint8_t status;
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|     char *data;
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| 
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|     bus = test_start();
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| 
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|     dev = virtio_blk_init(bus, PCI_SLOT);
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| 
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|     /* MSI-X is not enabled */
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|     addr = dev->addr + QVIRTIO_DEVICE_SPECIFIC_NO_MSIX;
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| 
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|     capacity = qvirtio_config_readq(&qvirtio_pci, &dev->vdev, addr);
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|     g_assert_cmpint(capacity, ==, TEST_IMAGE_SIZE / 512);
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| 
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|     features = qvirtio_get_features(&qvirtio_pci, &dev->vdev);
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|     features = features & ~(QVIRTIO_F_BAD_FEATURE |
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|                     QVIRTIO_F_RING_INDIRECT_DESC | QVIRTIO_F_RING_EVENT_IDX |
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|                             QVIRTIO_BLK_F_SCSI);
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|     qvirtio_set_features(&qvirtio_pci, &dev->vdev, features);
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| 
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|     alloc = pc_alloc_init();
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|     vqpci = (QVirtQueuePCI *)qvirtqueue_setup(&qvirtio_pci, &dev->vdev,
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|                                                                     alloc, 0);
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| 
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|     qvirtio_set_driver_ok(&qvirtio_pci, &dev->vdev);
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| 
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|     /* Write and read with 2 descriptor layout */
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|     /* Write request */
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|     req.type = QVIRTIO_BLK_T_OUT;
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|     req.ioprio = 1;
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|     req.sector = 0;
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|     req.data = g_malloc0(512);
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|     strcpy(req.data, "TEST");
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| 
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|     req_addr = virtio_blk_request(alloc, &req, 512);
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| 
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|     g_free(req.data);
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| 
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|     free_head = qvirtqueue_add(&vqpci->vq, req_addr, 528, false, true);
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|     qvirtqueue_add(&vqpci->vq, req_addr + 528, 1, true, false);
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|     qvirtqueue_kick(&qvirtio_pci, &dev->vdev, &vqpci->vq, free_head);
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| 
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|     qvirtio_wait_queue_isr(&qvirtio_pci, &dev->vdev, &vqpci->vq,
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|                            QVIRTIO_BLK_TIMEOUT_US);
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|     status = readb(req_addr + 528);
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|     g_assert_cmpint(status, ==, 0);
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| 
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|     guest_free(alloc, req_addr);
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| 
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|     /* Read request */
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|     req.type = QVIRTIO_BLK_T_IN;
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|     req.ioprio = 1;
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|     req.sector = 0;
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|     req.data = g_malloc0(512);
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| 
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|     req_addr = virtio_blk_request(alloc, &req, 512);
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| 
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|     g_free(req.data);
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| 
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|     free_head = qvirtqueue_add(&vqpci->vq, req_addr, 16, false, true);
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|     qvirtqueue_add(&vqpci->vq, req_addr + 16, 513, true, false);
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| 
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|     qvirtqueue_kick(&qvirtio_pci, &dev->vdev, &vqpci->vq, free_head);
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| 
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|     qvirtio_wait_queue_isr(&qvirtio_pci, &dev->vdev, &vqpci->vq,
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|                            QVIRTIO_BLK_TIMEOUT_US);
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|     status = readb(req_addr + 528);
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|     g_assert_cmpint(status, ==, 0);
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| 
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|     data = g_malloc0(512);
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|     memread(req_addr + 16, data, 512);
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|     g_assert_cmpstr(data, ==, "TEST");
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|     g_free(data);
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| 
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|     guest_free(alloc, req_addr);
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| 
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|     /* Write and read with 3 descriptor layout */
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|     /* Write request */
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|     req.type = QVIRTIO_BLK_T_OUT;
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|     req.ioprio = 1;
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|     req.sector = 1;
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|     req.data = g_malloc0(512);
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|     strcpy(req.data, "TEST");
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| 
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|     req_addr = virtio_blk_request(alloc, &req, 512);
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| 
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|     free_head = qvirtqueue_add(&vqpci->vq, req_addr, 16, false, true);
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|     qvirtqueue_add(&vqpci->vq, req_addr + 16, 512, false, true);
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|     qvirtqueue_add(&vqpci->vq, req_addr + 528, 1, true, false);
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| 
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|     qvirtqueue_kick(&qvirtio_pci, &dev->vdev, &vqpci->vq, free_head);
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| 
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|     qvirtio_wait_queue_isr(&qvirtio_pci, &dev->vdev, &vqpci->vq,
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|                            QVIRTIO_BLK_TIMEOUT_US);
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|     status = readb(req_addr + 528);
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|     g_assert_cmpint(status, ==, 0);
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| 
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|     guest_free(alloc, req_addr);
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| 
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|     /* Read request */
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|     req.type = QVIRTIO_BLK_T_IN;
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|     req.ioprio = 1;
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|     req.sector = 1;
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|     req.data = g_malloc0(512);
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| 
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|     req_addr = virtio_blk_request(alloc, &req, 512);
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| 
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|     g_free(req.data);
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| 
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|     free_head = qvirtqueue_add(&vqpci->vq, req_addr, 16, false, true);
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|     qvirtqueue_add(&vqpci->vq, req_addr + 16, 512, true, true);
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|     qvirtqueue_add(&vqpci->vq, req_addr + 528, 1, true, false);
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| 
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|     qvirtqueue_kick(&qvirtio_pci, &dev->vdev, &vqpci->vq, free_head);
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| 
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|     qvirtio_wait_queue_isr(&qvirtio_pci, &dev->vdev, &vqpci->vq,
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|                            QVIRTIO_BLK_TIMEOUT_US);
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|     status = readb(req_addr + 528);
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|     g_assert_cmpint(status, ==, 0);
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| 
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|     data = g_malloc0(512);
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|     memread(req_addr + 16, data, 512);
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|     g_assert_cmpstr(data, ==, "TEST");
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|     g_free(data);
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| 
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|     guest_free(alloc, req_addr);
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| 
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|     /* End test */
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|     guest_free(alloc, vqpci->vq.desc);
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|     qvirtio_pci_device_disable(dev);
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|     g_free(dev);
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|     test_end();
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| }
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| 
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| static void pci_indirect(void)
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| {
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|     QVirtioPCIDevice *dev;
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|     QPCIBus *bus;
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|     QVirtQueuePCI *vqpci;
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|     QGuestAllocator *alloc;
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|     QVirtioBlkReq req;
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|     QVRingIndirectDesc *indirect;
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|     void *addr;
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|     uint64_t req_addr;
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|     uint64_t capacity;
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|     uint32_t features;
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|     uint32_t free_head;
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|     uint8_t status;
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|     char *data;
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| 
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|     bus = test_start();
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| 
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|     dev = virtio_blk_init(bus, PCI_SLOT);
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| 
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|     /* MSI-X is not enabled */
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|     addr = dev->addr + QVIRTIO_DEVICE_SPECIFIC_NO_MSIX;
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| 
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|     capacity = qvirtio_config_readq(&qvirtio_pci, &dev->vdev, addr);
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|     g_assert_cmpint(capacity, ==, TEST_IMAGE_SIZE / 512);
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| 
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|     features = qvirtio_get_features(&qvirtio_pci, &dev->vdev);
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|     g_assert_cmphex(features & QVIRTIO_F_RING_INDIRECT_DESC, !=, 0);
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|     features = features & ~(QVIRTIO_F_BAD_FEATURE | QVIRTIO_F_RING_EVENT_IDX |
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|                                                             QVIRTIO_BLK_F_SCSI);
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|     qvirtio_set_features(&qvirtio_pci, &dev->vdev, features);
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| 
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|     alloc = pc_alloc_init();
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|     vqpci = (QVirtQueuePCI *)qvirtqueue_setup(&qvirtio_pci, &dev->vdev,
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|                                                                     alloc, 0);
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|     qvirtio_set_driver_ok(&qvirtio_pci, &dev->vdev);
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| 
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|     /* Write request */
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|     req.type = QVIRTIO_BLK_T_OUT;
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|     req.ioprio = 1;
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|     req.sector = 0;
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|     req.data = g_malloc0(512);
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|     strcpy(req.data, "TEST");
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| 
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|     req_addr = virtio_blk_request(alloc, &req, 512);
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| 
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|     g_free(req.data);
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| 
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|     indirect = qvring_indirect_desc_setup(&dev->vdev, alloc, 2);
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|     qvring_indirect_desc_add(indirect, req_addr, 528, false);
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|     qvring_indirect_desc_add(indirect, req_addr + 528, 1, true);
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|     free_head = qvirtqueue_add_indirect(&vqpci->vq, indirect);
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|     qvirtqueue_kick(&qvirtio_pci, &dev->vdev, &vqpci->vq, free_head);
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| 
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|     qvirtio_wait_queue_isr(&qvirtio_pci, &dev->vdev, &vqpci->vq,
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|                            QVIRTIO_BLK_TIMEOUT_US);
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|     status = readb(req_addr + 528);
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|     g_assert_cmpint(status, ==, 0);
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| 
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|     g_free(indirect);
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|     guest_free(alloc, req_addr);
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| 
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|     /* Read request */
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|     req.type = QVIRTIO_BLK_T_IN;
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|     req.ioprio = 1;
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|     req.sector = 0;
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|     req.data = g_malloc0(512);
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|     strcpy(req.data, "TEST");
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| 
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|     req_addr = virtio_blk_request(alloc, &req, 512);
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| 
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|     g_free(req.data);
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| 
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|     indirect = qvring_indirect_desc_setup(&dev->vdev, alloc, 2);
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|     qvring_indirect_desc_add(indirect, req_addr, 16, false);
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|     qvring_indirect_desc_add(indirect, req_addr + 16, 513, true);
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|     free_head = qvirtqueue_add_indirect(&vqpci->vq, indirect);
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|     qvirtqueue_kick(&qvirtio_pci, &dev->vdev, &vqpci->vq, free_head);
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| 
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|     qvirtio_wait_queue_isr(&qvirtio_pci, &dev->vdev, &vqpci->vq,
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|                            QVIRTIO_BLK_TIMEOUT_US);
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|     status = readb(req_addr + 528);
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|     g_assert_cmpint(status, ==, 0);
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| 
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|     data = g_malloc0(512);
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|     memread(req_addr + 16, data, 512);
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|     g_assert_cmpstr(data, ==, "TEST");
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|     g_free(data);
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| 
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|     g_free(indirect);
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|     guest_free(alloc, req_addr);
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| 
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|     /* End test */
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|     guest_free(alloc, vqpci->vq.desc);
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|     qvirtio_pci_device_disable(dev);
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|     g_free(dev);
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|     test_end();
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| }
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| 
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| static void pci_config(void)
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| {
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|     QVirtioPCIDevice *dev;
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|     QPCIBus *bus;
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|     int n_size = TEST_IMAGE_SIZE / 2;
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|     void *addr;
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|     uint64_t capacity;
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| 
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|     bus = test_start();
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| 
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|     dev = virtio_blk_init(bus, PCI_SLOT);
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| 
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|     /* MSI-X is not enabled */
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|     addr = dev->addr + QVIRTIO_DEVICE_SPECIFIC_NO_MSIX;
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| 
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|     capacity = qvirtio_config_readq(&qvirtio_pci, &dev->vdev, addr);
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|     g_assert_cmpint(capacity, ==, TEST_IMAGE_SIZE / 512);
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| 
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|     qvirtio_set_driver_ok(&qvirtio_pci, &dev->vdev);
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| 
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|     qmp("{ 'execute': 'block_resize', 'arguments': { 'device': 'drive0', "
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|                                                     " 'size': %d } }", n_size);
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|     qvirtio_wait_config_isr(&qvirtio_pci, &dev->vdev, QVIRTIO_BLK_TIMEOUT_US);
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| 
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|     capacity = qvirtio_config_readq(&qvirtio_pci, &dev->vdev, addr);
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|     g_assert_cmpint(capacity, ==, n_size / 512);
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| 
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|     qvirtio_pci_device_disable(dev);
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|     g_free(dev);
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|     test_end();
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| }
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| 
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| static void pci_msix(void)
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| {
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|     QVirtioPCIDevice *dev;
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|     QPCIBus *bus;
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|     QVirtQueuePCI *vqpci;
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|     QGuestAllocator *alloc;
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|     QVirtioBlkReq req;
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|     int n_size = TEST_IMAGE_SIZE / 2;
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|     void *addr;
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|     uint64_t req_addr;
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|     uint64_t capacity;
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|     uint32_t features;
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|     uint32_t free_head;
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|     uint8_t status;
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|     char *data;
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| 
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|     bus = test_start();
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|     alloc = pc_alloc_init();
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| 
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|     dev = virtio_blk_init(bus, PCI_SLOT);
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|     qpci_msix_enable(dev->pdev);
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| 
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|     qvirtio_pci_set_msix_configuration_vector(dev, alloc, 0);
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| 
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|     /* MSI-X is enabled */
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|     addr = dev->addr + QVIRTIO_DEVICE_SPECIFIC_MSIX;
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| 
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|     capacity = qvirtio_config_readq(&qvirtio_pci, &dev->vdev, addr);
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|     g_assert_cmpint(capacity, ==, TEST_IMAGE_SIZE / 512);
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| 
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|     features = qvirtio_get_features(&qvirtio_pci, &dev->vdev);
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|     features = features & ~(QVIRTIO_F_BAD_FEATURE |
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|                             QVIRTIO_F_RING_INDIRECT_DESC |
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|                             QVIRTIO_F_RING_EVENT_IDX | QVIRTIO_BLK_F_SCSI);
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|     qvirtio_set_features(&qvirtio_pci, &dev->vdev, features);
 | |
| 
 | |
|     vqpci = (QVirtQueuePCI *)qvirtqueue_setup(&qvirtio_pci, &dev->vdev,
 | |
|                                                                     alloc, 0);
 | |
|     qvirtqueue_pci_msix_setup(dev, vqpci, alloc, 1);
 | |
| 
 | |
|     qvirtio_set_driver_ok(&qvirtio_pci, &dev->vdev);
 | |
| 
 | |
|     qmp("{ 'execute': 'block_resize', 'arguments': { 'device': 'drive0', "
 | |
|                                                     " 'size': %d } }", n_size);
 | |
| 
 | |
|     qvirtio_wait_config_isr(&qvirtio_pci, &dev->vdev, QVIRTIO_BLK_TIMEOUT_US);
 | |
| 
 | |
|     capacity = qvirtio_config_readq(&qvirtio_pci, &dev->vdev, addr);
 | |
|     g_assert_cmpint(capacity, ==, n_size / 512);
 | |
| 
 | |
|     /* Write request */
 | |
|     req.type = QVIRTIO_BLK_T_OUT;
 | |
|     req.ioprio = 1;
 | |
|     req.sector = 0;
 | |
|     req.data = g_malloc0(512);
 | |
|     strcpy(req.data, "TEST");
 | |
| 
 | |
|     req_addr = virtio_blk_request(alloc, &req, 512);
 | |
| 
 | |
|     g_free(req.data);
 | |
| 
 | |
|     free_head = qvirtqueue_add(&vqpci->vq, req_addr, 528, false, true);
 | |
|     qvirtqueue_add(&vqpci->vq, req_addr + 528, 1, true, false);
 | |
|     qvirtqueue_kick(&qvirtio_pci, &dev->vdev, &vqpci->vq, free_head);
 | |
| 
 | |
|     qvirtio_wait_queue_isr(&qvirtio_pci, &dev->vdev, &vqpci->vq,
 | |
|                            QVIRTIO_BLK_TIMEOUT_US);
 | |
| 
 | |
|     status = readb(req_addr + 528);
 | |
|     g_assert_cmpint(status, ==, 0);
 | |
| 
 | |
|     guest_free(alloc, req_addr);
 | |
| 
 | |
|     /* Read request */
 | |
|     req.type = QVIRTIO_BLK_T_IN;
 | |
|     req.ioprio = 1;
 | |
|     req.sector = 0;
 | |
|     req.data = g_malloc0(512);
 | |
| 
 | |
|     req_addr = virtio_blk_request(alloc, &req, 512);
 | |
| 
 | |
|     g_free(req.data);
 | |
| 
 | |
|     free_head = qvirtqueue_add(&vqpci->vq, req_addr, 16, false, true);
 | |
|     qvirtqueue_add(&vqpci->vq, req_addr + 16, 513, true, false);
 | |
| 
 | |
|     qvirtqueue_kick(&qvirtio_pci, &dev->vdev, &vqpci->vq, free_head);
 | |
| 
 | |
| 
 | |
|     qvirtio_wait_queue_isr(&qvirtio_pci, &dev->vdev, &vqpci->vq,
 | |
|                            QVIRTIO_BLK_TIMEOUT_US);
 | |
| 
 | |
|     status = readb(req_addr + 528);
 | |
|     g_assert_cmpint(status, ==, 0);
 | |
| 
 | |
|     data = g_malloc0(512);
 | |
|     memread(req_addr + 16, data, 512);
 | |
|     g_assert_cmpstr(data, ==, "TEST");
 | |
|     g_free(data);
 | |
| 
 | |
|     guest_free(alloc, req_addr);
 | |
| 
 | |
|     /* End test */
 | |
|     guest_free(alloc, (uint64_t)vqpci->vq.desc);
 | |
|     qpci_msix_disable(dev->pdev);
 | |
|     qvirtio_pci_device_disable(dev);
 | |
|     g_free(dev);
 | |
|     test_end();
 | |
| }
 | |
| 
 | |
| static void pci_idx(void)
 | |
| {
 | |
|     QVirtioPCIDevice *dev;
 | |
|     QPCIBus *bus;
 | |
|     QVirtQueuePCI *vqpci;
 | |
|     QGuestAllocator *alloc;
 | |
|     QVirtioBlkReq req;
 | |
|     void *addr;
 | |
|     uint64_t req_addr;
 | |
|     uint64_t capacity;
 | |
|     uint32_t features;
 | |
|     uint32_t free_head;
 | |
|     uint8_t status;
 | |
|     char *data;
 | |
| 
 | |
|     bus = test_start();
 | |
|     alloc = pc_alloc_init();
 | |
| 
 | |
|     dev = virtio_blk_init(bus, PCI_SLOT);
 | |
|     qpci_msix_enable(dev->pdev);
 | |
| 
 | |
|     qvirtio_pci_set_msix_configuration_vector(dev, alloc, 0);
 | |
| 
 | |
|     /* MSI-X is enabled */
 | |
|     addr = dev->addr + QVIRTIO_DEVICE_SPECIFIC_MSIX;
 | |
| 
 | |
|     capacity = qvirtio_config_readq(&qvirtio_pci, &dev->vdev, addr);
 | |
|     g_assert_cmpint(capacity, ==, TEST_IMAGE_SIZE / 512);
 | |
| 
 | |
|     features = qvirtio_get_features(&qvirtio_pci, &dev->vdev);
 | |
|     features = features & ~(QVIRTIO_F_BAD_FEATURE |
 | |
|                             QVIRTIO_F_RING_INDIRECT_DESC |
 | |
|                             QVIRTIO_F_NOTIFY_ON_EMPTY | QVIRTIO_BLK_F_SCSI);
 | |
|     qvirtio_set_features(&qvirtio_pci, &dev->vdev, features);
 | |
| 
 | |
|     vqpci = (QVirtQueuePCI *)qvirtqueue_setup(&qvirtio_pci, &dev->vdev,
 | |
|                                                                     alloc, 0);
 | |
|     qvirtqueue_pci_msix_setup(dev, vqpci, alloc, 1);
 | |
| 
 | |
|     qvirtio_set_driver_ok(&qvirtio_pci, &dev->vdev);
 | |
| 
 | |
|     /* Write request */
 | |
|     req.type = QVIRTIO_BLK_T_OUT;
 | |
|     req.ioprio = 1;
 | |
|     req.sector = 0;
 | |
|     req.data = g_malloc0(512);
 | |
|     strcpy(req.data, "TEST");
 | |
| 
 | |
|     req_addr = virtio_blk_request(alloc, &req, 512);
 | |
| 
 | |
|     g_free(req.data);
 | |
| 
 | |
|     free_head = qvirtqueue_add(&vqpci->vq, req_addr, 528, false, true);
 | |
|     qvirtqueue_add(&vqpci->vq, req_addr + 528, 1, true, false);
 | |
|     qvirtqueue_kick(&qvirtio_pci, &dev->vdev, &vqpci->vq, free_head);
 | |
| 
 | |
|     qvirtio_wait_queue_isr(&qvirtio_pci, &dev->vdev, &vqpci->vq,
 | |
|                            QVIRTIO_BLK_TIMEOUT_US);
 | |
| 
 | |
|     /* Write request */
 | |
|     req.type = QVIRTIO_BLK_T_OUT;
 | |
|     req.ioprio = 1;
 | |
|     req.sector = 1;
 | |
|     req.data = g_malloc0(512);
 | |
|     strcpy(req.data, "TEST");
 | |
| 
 | |
|     req_addr = virtio_blk_request(alloc, &req, 512);
 | |
| 
 | |
|     g_free(req.data);
 | |
| 
 | |
|     /* Notify after processing the third request */
 | |
|     qvirtqueue_set_used_event(&vqpci->vq, 2);
 | |
|     free_head = qvirtqueue_add(&vqpci->vq, req_addr, 528, false, true);
 | |
|     qvirtqueue_add(&vqpci->vq, req_addr + 528, 1, true, false);
 | |
|     qvirtqueue_kick(&qvirtio_pci, &dev->vdev, &vqpci->vq, free_head);
 | |
| 
 | |
|     /* No notification expected */
 | |
|     status = qvirtio_wait_status_byte_no_isr(&qvirtio_pci, &dev->vdev,
 | |
|                                              &vqpci->vq, req_addr + 528,
 | |
|                                              QVIRTIO_BLK_TIMEOUT_US);
 | |
|     g_assert_cmpint(status, ==, 0);
 | |
| 
 | |
|     guest_free(alloc, req_addr);
 | |
| 
 | |
|     /* Read request */
 | |
|     req.type = QVIRTIO_BLK_T_IN;
 | |
|     req.ioprio = 1;
 | |
|     req.sector = 1;
 | |
|     req.data = g_malloc0(512);
 | |
| 
 | |
|     req_addr = virtio_blk_request(alloc, &req, 512);
 | |
| 
 | |
|     g_free(req.data);
 | |
| 
 | |
|     free_head = qvirtqueue_add(&vqpci->vq, req_addr, 16, false, true);
 | |
|     qvirtqueue_add(&vqpci->vq, req_addr + 16, 513, true, false);
 | |
| 
 | |
|     qvirtqueue_kick(&qvirtio_pci, &dev->vdev, &vqpci->vq, free_head);
 | |
| 
 | |
| 
 | |
|     qvirtio_wait_queue_isr(&qvirtio_pci, &dev->vdev, &vqpci->vq,
 | |
|                            QVIRTIO_BLK_TIMEOUT_US);
 | |
| 
 | |
|     status = readb(req_addr + 528);
 | |
|     g_assert_cmpint(status, ==, 0);
 | |
| 
 | |
|     data = g_malloc0(512);
 | |
|     memread(req_addr + 16, data, 512);
 | |
|     g_assert_cmpstr(data, ==, "TEST");
 | |
|     g_free(data);
 | |
| 
 | |
|     guest_free(alloc, req_addr);
 | |
| 
 | |
|     /* End test */
 | |
|     guest_free(alloc, vqpci->vq.desc);
 | |
|     qpci_msix_disable(dev->pdev);
 | |
|     qvirtio_pci_device_disable(dev);
 | |
|     g_free(dev);
 | |
|     test_end();
 | |
| }
 | |
| 
 | |
| static void hotplug(void)
 | |
| {
 | |
|     QPCIBus *bus;
 | |
|     QVirtioPCIDevice *dev;
 | |
| 
 | |
|     bus = test_start();
 | |
| 
 | |
|     /* plug secondary disk */
 | |
|     qpci_plug_device_test("virtio-blk-pci", "drv1", PCI_SLOT_HP,
 | |
|                           "'drive': 'drive1'");
 | |
| 
 | |
|     dev = virtio_blk_init(bus, PCI_SLOT_HP);
 | |
|     g_assert(dev);
 | |
|     qvirtio_pci_device_disable(dev);
 | |
|     g_free(dev);
 | |
| 
 | |
|     /* unplug secondary disk */
 | |
|     qpci_unplug_acpi_device_test("drv1", PCI_SLOT_HP);
 | |
|     test_end();
 | |
| }
 | |
| 
 | |
| int main(int argc, char **argv)
 | |
| {
 | |
|     int ret;
 | |
| 
 | |
|     g_test_init(&argc, &argv, NULL);
 | |
| 
 | |
|     g_test_add_func("/virtio/blk/pci/basic", pci_basic);
 | |
|     g_test_add_func("/virtio/blk/pci/indirect", pci_indirect);
 | |
|     g_test_add_func("/virtio/blk/pci/config", pci_config);
 | |
|     g_test_add_func("/virtio/blk/pci/msix", pci_msix);
 | |
|     g_test_add_func("/virtio/blk/pci/idx", pci_idx);
 | |
|     g_test_add_func("/virtio/blk/pci/hotplug", hotplug);
 | |
| 
 | |
|     ret = g_test_run();
 | |
| 
 | |
|     return ret;
 | |
| }
 |