[83605] | 1 | /* $Id: DevVirtioSCSI.cpp 100400 2023-07-06 08:58:02Z vboxsync $ */
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[79289] | 2 | /** @file
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[79290] | 3 | * VBox storage devices - Virtio SCSI Driver
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| 4 | *
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[81634] | 5 | * Log-levels used:
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| 6 | * - Level 1: The most important (but usually rare) things to note
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| 7 | * - Level 2: SCSI command logging
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| 8 | * - Level 3: Vector and I/O transfer summary (shows what client sent an expects and fulfillment)
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[81935] | 9 | * - Level 6: Device <-> Guest Driver negotation, traffic, notifications and state handling
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[81634] | 10 | * - Level 12: Brief formatted hex dumps of I/O data
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[79289] | 11 | */
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| 12 |
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| 13 | /*
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[98103] | 14 | * Copyright (C) 2006-2023 Oracle and/or its affiliates.
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[79289] | 15 | *
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[96407] | 16 | * This file is part of VirtualBox base platform packages, as
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| 17 | * available from https://www.virtualbox.org.
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| 18 | *
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| 19 | * This program is free software; you can redistribute it and/or
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| 20 | * modify it under the terms of the GNU General Public License
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| 21 | * as published by the Free Software Foundation, in version 3 of the
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| 22 | * License.
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| 23 | *
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| 24 | * This program is distributed in the hope that it will be useful, but
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| 25 | * WITHOUT ANY WARRANTY; without even the implied warranty of
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| 26 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 27 | * General Public License for more details.
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| 28 | *
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| 29 | * You should have received a copy of the GNU General Public License
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| 30 | * along with this program; if not, see <https://www.gnu.org/licenses>.
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| 31 | *
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| 32 | * SPDX-License-Identifier: GPL-3.0-only
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[79289] | 33 | */
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| 34 |
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[79493] | 35 |
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[79289] | 36 | /*********************************************************************************************************************************
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| 37 | * Header Files *
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| 38 | *********************************************************************************************************************************/
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[80521] | 39 | //#define LOG_GROUP LOG_GROUP_DRV_SCSI
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| 40 | #define LOG_GROUP LOG_GROUP_DEV_VIRTIO
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[79289] | 41 |
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| 42 | #include <VBox/vmm/pdmdev.h>
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| 43 | #include <VBox/vmm/pdmstorageifs.h>
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| 44 | #include <VBox/vmm/pdmcritsect.h>
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[83566] | 45 | #include <VBox/AssertGuest.h>
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[81122] | 46 | #include <VBox/msi.h>
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[79289] | 47 | #include <VBox/version.h>
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[80383] | 48 | #include <VBox/log.h>
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[79289] | 49 | #include <iprt/errcore.h>
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| 50 | #include <iprt/assert.h>
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[79492] | 51 | #include <iprt/string.h>
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[81628] | 52 | #include <VBox/sup.h>
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[79289] | 53 | #include "../build/VBoxDD.h"
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[79492] | 54 | #include <VBox/scsi.h>
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| 55 | #ifdef IN_RING3
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| 56 | # include <iprt/alloc.h>
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| 57 | # include <iprt/memcache.h>
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[80383] | 58 | # include <iprt/semaphore.h>
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| 59 | # include <iprt/sg.h>
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[79492] | 60 | # include <iprt/param.h>
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| 61 | # include <iprt/uuid.h>
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| 62 | #endif
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[84819] | 63 | #include "../VirtIO/VirtioCore.h"
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[79928] | 64 |
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[79492] | 65 | #include "VBoxSCSI.h"
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| 66 | #include "VBoxDD.h"
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[79289] | 67 |
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[80928] | 68 |
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[81658] | 69 | /*********************************************************************************************************************************
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| 70 | * Defined Constants And Macros *
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| 71 | *********************************************************************************************************************************/
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| 72 | /** The current saved state version. */
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| 73 | #define VIRTIOSCSI_SAVED_STATE_VERSION UINT32_C(1)
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| 74 |
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| 75 |
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[80762] | 76 | #define LUN0 0
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[81369] | 77 | /** @name VirtIO 1.0 SCSI Host feature bits (See VirtIO 1.0 specification, Section 5.6.3)
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[80240] | 78 | * @{ */
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[81634] | 79 | #define VIRTIO_SCSI_F_INOUT RT_BIT_64(0) /** Request is device readable AND writeable */
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| 80 | #define VIRTIO_SCSI_F_HOTPLUG RT_BIT_64(1) /** Host allows hotplugging SCSI LUNs & targets */
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| 81 | #define VIRTIO_SCSI_F_CHANGE RT_BIT_64(2) /** Host LUNs chgs via VIRTIOSCSI_T_PARAM_CHANGE evt */
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| 82 | #define VIRTIO_SCSI_F_T10_PI RT_BIT_64(3) /** Add T10 port info (DIF/DIX) in SCSI req hdr */
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[80240] | 83 | /** @} */
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[79289] | 84 |
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[80521] | 85 |
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| 86 | #define VIRTIOSCSI_HOST_SCSI_FEATURES_ALL \
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[81634] | 87 | (VIRTIO_SCSI_F_INOUT | VIRTIO_SCSI_F_HOTPLUG | VIRTIO_SCSI_F_CHANGE | VIRTIO_SCSI_F_T10_PI)
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[80240] | 88 |
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[80521] | 89 | #define VIRTIOSCSI_HOST_SCSI_FEATURES_NONE 0
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[80340] | 90 |
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[81634] | 91 | #define VIRTIOSCSI_HOST_SCSI_FEATURES_OFFERED VIRTIOSCSI_HOST_SCSI_FEATURES_NONE
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[80521] | 92 |
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[84803] | 93 | #define VIRTIOSCSI_REQ_VIRTQ_CNT 4 /**< T.B.D. Consider increasing */
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| 94 | #define VIRTIOSCSI_VIRTQ_CNT (VIRTIOSCSI_REQ_VIRTQ_CNT + 2)
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[81814] | 95 | #define VIRTIOSCSI_MAX_TARGETS 256 /**< T.B.D. Figure out a a good value for this. */
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[88827] | 96 | #define VIRTIOSCSI_MAX_LUN 1 /**< VirtIO specification, section 5.6.4 */
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[81634] | 97 | #define VIRTIOSCSI_MAX_COMMANDS_PER_LUN 128 /**< T.B.D. What is a good value for this? */
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| 98 | #define VIRTIOSCSI_MAX_SEG_COUNT 126 /**< T.B.D. What is a good value for this? */
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| 99 | #define VIRTIOSCSI_MAX_SECTORS_HINT 0x10000 /**< VirtIO specification, section 5.6.4 */
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| 100 | #define VIRTIOSCSI_MAX_CHANNEL_HINT 0 /**< VirtIO specification, section 5.6.4 should be 0 */
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[80306] | 101 |
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[81634] | 102 | #define PCI_DEVICE_ID_VIRTIOSCSI_HOST 0x1048 /**< Informs guest driver of type of VirtIO device */
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| 103 | #define PCI_CLASS_BASE_MASS_STORAGE 0x01 /**< PCI Mass Storage device class */
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| 104 | #define PCI_CLASS_SUB_SCSI_STORAGE_CONTROLLER 0x00 /**< PCI SCSI Controller subclass */
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| 105 | #define PCI_CLASS_PROG_UNSPECIFIED 0x00 /**< Programming interface. N/A. */
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| 106 | #define VIRTIOSCSI_PCI_CLASS 0x01 /**< Base class Mass Storage? */
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[80169] | 107 |
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[80521] | 108 | #define VIRTIOSCSI_SENSE_SIZE_DEFAULT 96 /**< VirtIO 1.0: 96 on reset, guest can change */
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[83566] | 109 | #define VIRTIOSCSI_SENSE_SIZE_MAX 4096 /**< Picked out of thin air by bird. */
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[80521] | 110 | #define VIRTIOSCSI_CDB_SIZE_DEFAULT 32 /**< VirtIO 1.0: 32 on reset, guest can change */
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[83566] | 111 | #define VIRTIOSCSI_CDB_SIZE_MAX 255 /**< Picked out of thin air by bird. */
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[80658] | 112 | #define VIRTIOSCSI_PI_BYTES_IN 1 /**< Value TBD (see section 5.6.6.1) */
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| 113 | #define VIRTIOSCSI_PI_BYTES_OUT 1 /**< Value TBD (see section 5.6.6.1) */
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| 114 | #define VIRTIOSCSI_DATA_OUT 512 /**< Value TBD (see section 5.6.6.1) */
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[80521] | 115 |
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[80168] | 116 | /**
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[81628] | 117 | * VirtIO SCSI Host Device device-specific queue indicies.
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| 118 | * (Note: # of request queues is determined by virtio_scsi_config.num_queues. VirtIO 1.0, 5.6.4)
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[80168] | 119 | */
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[84876] | 120 | #define CONTROLQ_IDX 0 /**< VirtIO Spec-defined Index of control queue */
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| 121 | #define EVENTQ_IDX 1 /**< VirtIO Spec-defined Index of event queue */
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| 122 | #define VIRTQ_REQ_BASE 2 /**< VirtIO Spec-defined base index of req. queues */
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[80437] | 123 |
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[84876] | 124 | #define VIRTQNAME(uVirtqNbr) (pThis->aszVirtqNames[uVirtqNbr]) /**< Macro to get queue name from its index */
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[84819] | 125 | #define CBVIRTQNAME(uVirtqNbr) RTStrNLen(VIRTQNAME(uVirtqNbr), sizeof(VIRTQNAME(uVirtqNbr)))
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[80148] | 126 |
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[84819] | 127 | #define IS_REQ_VIRTQ(uVirtqNbr) (uVirtqNbr >= VIRTQ_REQ_BASE && uVirtqNbr < VIRTIOSCSI_VIRTQ_CNT)
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[80615] | 128 |
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[81634] | 129 | #define VIRTIO_IS_IN_DIRECTION(pMediaExTxDirEnumValue) \
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| 130 | ((pMediaExTxDirEnumValue) == PDMMEDIAEXIOREQSCSITXDIR_FROM_DEVICE)
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[80615] | 131 |
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[81634] | 132 | #define VIRTIO_IS_OUT_DIRECTION(pMediaExTxDirEnumValue) \
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| 133 | ((pMediaExTxDirEnumValue) == PDMMEDIAEXIOREQSCSITXDIR_TO_DEVICE)
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[80615] | 134 |
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[84819] | 135 | #define IS_VIRTQ_EMPTY(pDevIns, pVirtio, uVirtqNbr) \
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[84876] | 136 | (virtioCoreVirtqAvailBufCount(pDevIns, pVirtio, uVirtqNbr) == 0)
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[81658] | 137 |
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[84786] | 138 |
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[81658] | 139 | /*********************************************************************************************************************************
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| 140 | * Structures and Typedefs *
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| 141 | *********************************************************************************************************************************/
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[80615] | 142 | /**
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[81628] | 143 | * VirtIO SCSI Host Device device-specific configuration (see VirtIO 1.0, section 5.6.4)
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[82559] | 144 | * VBox VirtIO core issues callback to this VirtIO device-specific implementation to handle
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| 145 | * MMIO accesses to device-specific configuration parameters.
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[80240] | 146 | */
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| 147 | typedef struct virtio_scsi_config
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| 148 | {
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[84803] | 149 | uint32_t uNumVirtqs; /**< num_queues \# of req q's exposed by dev */
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[81634] | 150 | uint32_t uSegMax; /**< seg_max Max \# of segs allowed in cmd */
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| 151 | uint32_t uMaxSectors; /**< max_sectors Hint to guest max xfer to use */
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| 152 | uint32_t uCmdPerLun; /**< cmd_per_lun Max \# of link cmd sent per lun */
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| 153 | uint32_t uEventInfoSize; /**< event_info_size Fill max, evtq bufs */
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| 154 | uint32_t uSenseSize; /**< sense_size Max sense data size dev writes */
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| 155 | uint32_t uCdbSize; /**< cdb_size Max CDB size driver writes */
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| 156 | uint16_t uMaxChannel; /**< max_channel Hint to guest driver */
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| 157 | uint16_t uMaxTarget; /**< max_target Hint to guest driver */
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| 158 | uint32_t uMaxLun; /**< max_lun Hint to guest driver */
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[80383] | 159 | } VIRTIOSCSI_CONFIG_T, PVIRTIOSCSI_CONFIG_T;
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[80240] | 160 |
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[81369] | 161 | /** @name VirtIO 1.0 SCSI Host Device device specific control types
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[80058] | 162 | * @{ */
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[80306] | 163 | #define VIRTIOSCSI_T_NO_EVENT 0
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| 164 | #define VIRTIOSCSI_T_TRANSPORT_RESET 1
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| 165 | #define VIRTIOSCSI_T_ASYNC_NOTIFY 2 /**< Asynchronous notification */
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| 166 | #define VIRTIOSCSI_T_PARAM_CHANGE 3
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[80058] | 167 | /** @} */
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| 168 |
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| 169 | /**
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[80240] | 170 | * Device operation: eventq
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[80058] | 171 | */
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[81634] | 172 | #define VIRTIOSCSI_T_EVENTS_MISSED UINT32_C(0x80000000)
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| 173 | typedef struct virtio_scsi_event
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| 174 | {
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[80240] | 175 | // Device-writable part
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[85016] | 176 | uint32_t uEvent; /**< event */
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[81634] | 177 | uint8_t abVirtioLun[8]; /**< lun */
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[80306] | 178 | uint32_t uReason; /**< reason */
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[80383] | 179 | } VIRTIOSCSI_EVENT_T, *PVIRTIOSCSI_EVENT_T;
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[80058] | 180 |
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[81369] | 181 | /** @name VirtIO 1.0 SCSI Host Device device specific event types
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[80240] | 182 | * @{ */
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[80306] | 183 | #define VIRTIOSCSI_EVT_RESET_HARD 0 /**< */
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| 184 | #define VIRTIOSCSI_EVT_RESET_RESCAN 1 /**< */
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| 185 | #define VIRTIOSCSI_EVT_RESET_REMOVED 2 /**< */
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[80240] | 186 | /** @} */
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[80108] | 187 |
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[80240] | 188 | /**
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| 189 | * Device operation: reqestq
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| 190 | */
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[81634] | 191 | #pragma pack(1)
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| 192 | typedef struct REQ_CMD_HDR_T
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[80437] | 193 | {
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[81634] | 194 | uint8_t abVirtioLun[8]; /**< lun */
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[80437] | 195 | uint64_t uId; /**< id */
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| 196 | uint8_t uTaskAttr; /**< task_attr */
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| 197 | uint8_t uPrio; /**< prio */
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| 198 | uint8_t uCrn; /**< crn */
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[81634] | 199 | } REQ_CMD_HDR_T;
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| 200 | #pragma pack()
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| 201 | AssertCompileSize(REQ_CMD_HDR_T, 19);
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[80437] | 202 |
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[81634] | 203 | typedef struct REQ_CMD_PI_T
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[80437] | 204 | {
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| 205 | uint32_t uPiBytesOut; /**< pi_bytesout */
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| 206 | uint32_t uPiBytesIn; /**< pi_bytesin */
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[81634] | 207 | } REQ_CMD_PI_T;
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| 208 | AssertCompileSize(REQ_CMD_PI_T, 8);
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[80437] | 209 |
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[81634] | 210 | typedef struct REQ_RESP_HDR_T
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[80437] | 211 | {
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[81634] | 212 | uint32_t cbSenseLen; /**< sense_len */
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[80437] | 213 | uint32_t uResidual; /**< residual */
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| 214 | uint16_t uStatusQualifier; /**< status_qualifier */
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| 215 | uint8_t uStatus; /**< status SCSI status code */
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| 216 | uint8_t uResponse; /**< response */
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[81634] | 217 | } REQ_RESP_HDR_T;
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| 218 | AssertCompileSize(REQ_RESP_HDR_T, 12);
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[80437] | 219 |
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[81634] | 220 | #pragma pack(1)
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| 221 | typedef struct VIRTIOSCSI_REQ_CMD_T
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[80148] | 222 | {
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[81634] | 223 | /** Device-readable section
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| 224 | * @{ */
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| 225 | REQ_CMD_HDR_T ReqHdr;
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[80437] | 226 | uint8_t uCdb[1]; /**< cdb */
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[80148] | 227 |
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[85016] | 228 | REQ_CMD_PI_T piHdr; /**< T10 Pi block integrity (optional feature) */
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[80437] | 229 | uint8_t uPiOut[1]; /**< pi_out[] T10 pi block integrity */
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| 230 | uint8_t uDataOut[1]; /**< dataout */
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[81634] | 231 | /** @} */
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[80148] | 232 |
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[81634] | 233 | /** @name Device writable section
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| 234 | * @{ */
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| 235 | REQ_RESP_HDR_T respHdr;
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[80437] | 236 | uint8_t uSense[1]; /**< sense */
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| 237 | uint8_t uPiIn[1]; /**< pi_in[] T10 Pi block integrity */
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| 238 | uint8_t uDataIn[1]; /**< detain; */
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[81634] | 239 | /** @} */
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| 240 | } VIRTIOSCSI_REQ_CMD_T, *PVIRTIOSCSI_REQ_CMD_T;
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[80383] | 241 | #pragma pack()
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[81634] | 242 | AssertCompileSize(VIRTIOSCSI_REQ_CMD_T, 19+8+12+6);
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[80148] | 243 |
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[81369] | 244 | /** @name VirtIO 1.0 SCSI Host Device Req command-specific response values
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[80168] | 245 | * @{ */
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[81634] | 246 | #define VIRTIOSCSI_S_OK 0 /**< control, command */
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| 247 | #define VIRTIOSCSI_S_OVERRUN 1 /**< control */
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| 248 | #define VIRTIOSCSI_S_ABORTED 2 /**< control */
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| 249 | #define VIRTIOSCSI_S_BAD_TARGET 3 /**< control, command */
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| 250 | #define VIRTIOSCSI_S_RESET 4 /**< control */
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| 251 | #define VIRTIOSCSI_S_BUSY 5 /**< control, command */
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| 252 | #define VIRTIOSCSI_S_TRANSPORT_FAILURE 6 /**< control, command */
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| 253 | #define VIRTIOSCSI_S_TARGET_FAILURE 7 /**< control, command */
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| 254 | #define VIRTIOSCSI_S_NEXUS_FAILURE 8 /**< control, command */
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| 255 | #define VIRTIOSCSI_S_FAILURE 9 /**< control, command */
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| 256 | #define VIRTIOSCSI_S_INCORRECT_LUN 12 /**< command */
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[80168] | 257 | /** @} */
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[80148] | 258 |
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[81369] | 259 | /** @name VirtIO 1.0 SCSI Host Device command-specific task_attr values
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[80168] | 260 | * @{ */
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[81634] | 261 | #define VIRTIOSCSI_S_SIMPLE 0 /**< */
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| 262 | #define VIRTIOSCSI_S_ORDERED 1 /**< */
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| 263 | #define VIRTIOSCSI_S_HEAD 2 /**< */
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| 264 | #define VIRTIOSCSI_S_ACA 3 /**< */
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[80168] | 265 | /** @} */
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[80148] | 266 |
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[80240] | 267 | /**
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[81369] | 268 | * VirtIO 1.0 SCSI Host Device Control command before we know type (5.6.6.2)
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| 269 | */
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[81634] | 270 | typedef struct VIRTIOSCSI_CTRL_T
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[80383] | 271 | {
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| 272 | uint32_t uType;
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[80762] | 273 | } VIRTIOSCSI_CTRL_T, *PVIRTIOSCSI_CTRL_T;
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[80383] | 274 |
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[81369] | 275 | /** @name VirtIO 1.0 SCSI Host Device command-specific TMF values
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[80240] | 276 | * @{ */
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[81634] | 277 | #define VIRTIOSCSI_T_TMF 0 /**< */
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| 278 | #define VIRTIOSCSI_T_TMF_ABORT_TASK 0 /**< */
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| 279 | #define VIRTIOSCSI_T_TMF_ABORT_TASK_SET 1 /**< */
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| 280 | #define VIRTIOSCSI_T_TMF_CLEAR_ACA 2 /**< */
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| 281 | #define VIRTIOSCSI_T_TMF_CLEAR_TASK_SET 3 /**< */
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| 282 | #define VIRTIOSCSI_T_TMF_I_T_NEXUS_RESET 4 /**< */
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| 283 | #define VIRTIOSCSI_T_TMF_LOGICAL_UNIT_RESET 5 /**< */
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| 284 | #define VIRTIOSCSI_T_TMF_QUERY_TASK 6 /**< */
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| 285 | #define VIRTIOSCSI_T_TMF_QUERY_TASK_SET 7 /**< */
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[81369] | 286 | /** @} */
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[80148] | 287 |
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[80383] | 288 | #pragma pack(1)
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[81634] | 289 | typedef struct VIRTIOSCSI_CTRL_TMF_T
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[80148] | 290 | {
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[81634] | 291 | uint32_t uType; /**< type */
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| 292 | uint32_t uSubtype; /**< subtype */
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| 293 | uint8_t abScsiLun[8]; /**< lun */
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| 294 | uint64_t uId; /**< id */
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[80383] | 295 | } VIRTIOSCSI_CTRL_TMF_T, *PVIRTIOSCSI_CTRL_TMF_T;
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[80931] | 296 | #pragma pack()
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[81814] | 297 | AssertCompileSize(VIRTIOSCSI_CTRL_TMF_T, 24);
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[80148] | 298 |
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[81814] | 299 | /** VirtIO 1.0 section 5.6.6.2, CTRL TMF response is an 8-bit status */
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| 300 |
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[81369] | 301 | /** @name VirtIO 1.0 SCSI Host Device device specific tmf control response values
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[80168] | 302 | * @{ */
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[81634] | 303 | #define VIRTIOSCSI_S_FUNCTION_COMPLETE 0 /**< */
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| 304 | #define VIRTIOSCSI_S_FUNCTION_SUCCEEDED 10 /**< */
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| 305 | #define VIRTIOSCSI_S_FUNCTION_REJECTED 11 /**< */
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[80168] | 306 | /** @} */
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[80148] | 307 |
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[81814] | 308 | #define VIRTIOSCSI_T_AN_QUERY 1 /**< Asynchronous notification query */
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| 309 | #define VIRTIOSCSI_T_AN_SUBSCRIBE 2 /**< Asynchronous notification subscription */
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[80148] | 310 |
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[80383] | 311 | #pragma pack(1)
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[81634] | 312 | typedef struct VIRTIOSCSI_CTRL_AN_T
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[80148] | 313 | {
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[81634] | 314 | uint32_t uType; /**< type */
|
---|
| 315 | uint8_t abScsiLun[8]; /**< lun */
|
---|
| 316 | uint32_t fEventsRequested; /**< event_requested */
|
---|
[81312] | 317 | } VIRTIOSCSI_CTRL_AN_T, *PVIRTIOSCSI_CTRL_AN_T;
|
---|
[80383] | 318 | #pragma pack()
|
---|
[81814] | 319 | AssertCompileSize(VIRTIOSCSI_CTRL_AN_T, 16);
|
---|
[80148] | 320 |
|
---|
[81814] | 321 | /** VirtIO 1.0, Section 5.6.6.2, CTRL AN response is 4-byte evt mask + 8-bit status */
|
---|
| 322 |
|
---|
[81634] | 323 | typedef union VIRTIO_SCSI_CTRL_UNION_T
|
---|
[81312] | 324 | {
|
---|
[83572] | 325 | VIRTIOSCSI_CTRL_T Type;
|
---|
| 326 | VIRTIOSCSI_CTRL_TMF_T Tmf;
|
---|
| 327 | VIRTIOSCSI_CTRL_AN_T AsyncNotify;
|
---|
[81814] | 328 | uint8_t ab[24];
|
---|
[81312] | 329 | } VIRTIO_SCSI_CTRL_UNION_T, *PVIRTIO_SCSI_CTRL_UNION_T;
|
---|
[81814] | 330 | AssertCompile(sizeof(VIRTIO_SCSI_CTRL_UNION_T) == 24); /* VIRTIOSCSI_CTRL_T forces 4 byte alignment, the other two are byte packed. */
|
---|
[81312] | 331 |
|
---|
[81369] | 332 | /** @name VirtIO 1.0 SCSI Host Device device specific tmf control response values
|
---|
[80240] | 333 | * @{ */
|
---|
[81634] | 334 | #define VIRTIOSCSI_EVT_ASYNC_OPERATIONAL_CHANGE 2 /**< */
|
---|
| 335 | #define VIRTIOSCSI_EVT_ASYNC_POWER_MGMT 4 /**< */
|
---|
| 336 | #define VIRTIOSCSI_EVT_ASYNC_EXTERNAL_REQUEST 8 /**< */
|
---|
| 337 | #define VIRTIOSCSI_EVT_ASYNC_MEDIA_CHANGE 16 /**< */
|
---|
| 338 | #define VIRTIOSCSI_EVT_ASYNC_MULTI_HOST 32 /**< */
|
---|
| 339 | #define VIRTIOSCSI_EVT_ASYNC_DEVICE_BUSY 64 /**< */
|
---|
[80240] | 340 | /** @} */
|
---|
[80148] | 341 |
|
---|
[80499] | 342 | #define SUBSCRIBABLE_EVENTS \
|
---|
[81634] | 343 | ( VIRTIOSCSI_EVT_ASYNC_OPERATIONAL_CHANGE \
|
---|
| 344 | | VIRTIOSCSI_EVT_ASYNC_POWER_MGMT \
|
---|
| 345 | | VIRTIOSCSI_EVT_ASYNC_EXTERNAL_REQUEST \
|
---|
| 346 | | VIRTIOSCSI_EVT_ASYNC_MEDIA_CHANGE \
|
---|
| 347 | | VIRTIOSCSI_EVT_ASYNC_MULTI_HOST \
|
---|
| 348 | | VIRTIOSCSI_EVT_ASYNC_DEVICE_BUSY )
|
---|
[80383] | 349 |
|
---|
[82151] | 350 | #define SUPPORTED_EVENTS 0 /* TBD */
|
---|
| 351 |
|
---|
[80058] | 352 | /**
|
---|
[81675] | 353 | * Worker thread context, shared state.
|
---|
[80383] | 354 | */
|
---|
[81634] | 355 | typedef struct VIRTIOSCSIWORKER
|
---|
[80383] | 356 | {
|
---|
[81634] | 357 | SUPSEMEVENT hEvtProcess; /**< handle of associated sleep/wake-up semaphore */
|
---|
[84351] | 358 | bool volatile fSleeping; /**< Flags whether worker thread is sleeping or not */
|
---|
| 359 | bool volatile fNotified; /**< Flags whether worker thread notified */
|
---|
[81634] | 360 | } VIRTIOSCSIWORKER;
|
---|
[81675] | 361 | /** Pointer to a VirtIO SCSI worker. */
|
---|
[81634] | 362 | typedef VIRTIOSCSIWORKER *PVIRTIOSCSIWORKER;
|
---|
[80383] | 363 |
|
---|
| 364 | /**
|
---|
[81675] | 365 | * Worker thread context, ring-3 state.
|
---|
| 366 | */
|
---|
| 367 | typedef struct VIRTIOSCSIWORKERR3
|
---|
| 368 | {
|
---|
| 369 | R3PTRTYPE(PPDMTHREAD) pThread; /**< pointer to worker thread's handle */
|
---|
[98661] | 370 | RTCRITSECT CritSectVirtq; /**< Protecting the virtq against concurrent thread access. */
|
---|
| 371 | uint16_t auRedoDescs[VIRTQ_SIZE]; /**< List of previously suspended reqs to re-submit */
|
---|
[82010] | 372 | uint16_t cRedoDescs; /**< Number of redo desc chain head desc idxes in list */
|
---|
[81675] | 373 | } VIRTIOSCSIWORKERR3;
|
---|
| 374 | /** Pointer to a VirtIO SCSI worker. */
|
---|
| 375 | typedef VIRTIOSCSIWORKERR3 *PVIRTIOSCSIWORKERR3;
|
---|
| 376 |
|
---|
| 377 | /**
|
---|
[80058] | 378 | * State of a target attached to the VirtIO SCSI Host
|
---|
| 379 | */
|
---|
[79492] | 380 | typedef struct VIRTIOSCSITARGET
|
---|
[79289] | 381 | {
|
---|
[81675] | 382 | /** The ring-3 device instance so we can easily get our bearings. */
|
---|
| 383 | PPDMDEVINSR3 pDevIns;
|
---|
[79492] | 384 |
|
---|
[79928] | 385 | /** Pointer to attached driver's base interface. */
|
---|
[80058] | 386 | R3PTRTYPE(PPDMIBASE) pDrvBase;
|
---|
[79289] | 387 |
|
---|
[80762] | 388 | /** Target number (PDM LUN) */
|
---|
[82151] | 389 | uint32_t uTarget;
|
---|
[79928] | 390 |
|
---|
[80762] | 391 | /** Target Description */
|
---|
[81675] | 392 | R3PTRTYPE(char *) pszTargetName;
|
---|
[80058] | 393 |
|
---|
| 394 | /** Target base interface. */
|
---|
[79928] | 395 | PDMIBASE IBase;
|
---|
[79289] | 396 |
|
---|
| 397 | /** Flag whether device is present. */
|
---|
[79928] | 398 | bool fPresent;
|
---|
[82681] | 399 |
|
---|
[79535] | 400 | /** Media port interface. */
|
---|
[79928] | 401 | PDMIMEDIAPORT IMediaPort;
|
---|
[80219] | 402 |
|
---|
[80058] | 403 | /** Pointer to the attached driver's media interface. */
|
---|
| 404 | R3PTRTYPE(PPDMIMEDIA) pDrvMedia;
|
---|
[79928] | 405 |
|
---|
[79535] | 406 | /** Extended media port interface. */
|
---|
[79928] | 407 | PDMIMEDIAEXPORT IMediaExPort;
|
---|
[80219] | 408 |
|
---|
[81634] | 409 | /** Pointer to the attached driver's extended media interface. */
|
---|
[80058] | 410 | R3PTRTYPE(PPDMIMEDIAEX) pDrvMediaEx;
|
---|
[79289] | 411 |
|
---|
[80058] | 412 | /** Status LED interface */
|
---|
| 413 | PDMILEDPORTS ILed;
|
---|
[80499] | 414 |
|
---|
[80058] | 415 | /** The status LED state for this device. */
|
---|
| 416 | PDMLED led;
|
---|
| 417 |
|
---|
[79928] | 418 | } VIRTIOSCSITARGET, *PVIRTIOSCSITARGET;
|
---|
| 419 |
|
---|
[79289] | 420 | /**
|
---|
[81675] | 421 | * VirtIO Host SCSI device state, shared edition.
|
---|
[79289] | 422 | *
|
---|
[81678] | 423 | * @extends VIRTIOCORE
|
---|
[79289] | 424 | */
|
---|
| 425 | typedef struct VIRTIOSCSI
|
---|
| 426 | {
|
---|
[81678] | 427 | /** The core virtio state. */
|
---|
| 428 | VIRTIOCORE Virtio;
|
---|
[79289] | 429 |
|
---|
[82681] | 430 | /** VirtIO Host SCSI device runtime configuration parameters */
|
---|
| 431 | VIRTIOSCSI_CONFIG_T virtioScsiConfig;
|
---|
| 432 |
|
---|
[81662] | 433 | bool fBootable;
|
---|
[81675] | 434 | bool afPadding0[3];
|
---|
[79928] | 435 |
|
---|
[81662] | 436 | /** Number of targets in paTargetInstances. */
|
---|
| 437 | uint32_t cTargets;
|
---|
[80928] | 438 |
|
---|
[80383] | 439 | /** Per device-bound virtq worker-thread contexts (eventq slot unused) */
|
---|
[84803] | 440 | VIRTIOSCSIWORKER aWorkers[VIRTIOSCSI_VIRTQ_CNT];
|
---|
[80383] | 441 |
|
---|
[80340] | 442 | /** Instance name */
|
---|
[81634] | 443 | char szInstance[16];
|
---|
[80219] | 444 |
|
---|
[82042] | 445 | /** Device-specific spec-based VirtIO VIRTQNAMEs */
|
---|
[84803] | 446 | char aszVirtqNames[VIRTIOSCSI_VIRTQ_CNT][VIRTIO_MAX_VIRTQ_NAME_SIZE];
|
---|
[80340] | 447 |
|
---|
| 448 | /** Track which VirtIO queues we've attached to */
|
---|
[84803] | 449 | bool afVirtqAttached[VIRTIOSCSI_VIRTQ_CNT];
|
---|
[80340] | 450 |
|
---|
[81675] | 451 | /** Set if events missed due to lack of bufs avail on eventq */
|
---|
| 452 | bool fEventsMissed;
|
---|
[79928] | 453 |
|
---|
[81675] | 454 | /** Explicit alignment padding. */
|
---|
| 455 | bool afPadding1[2];
|
---|
[80762] | 456 |
|
---|
[80437] | 457 | /** Mask of VirtIO Async Event types this device will deliver */
|
---|
[81634] | 458 | uint32_t fAsyncEvtsEnabled;
|
---|
[80437] | 459 |
|
---|
[80657] | 460 | /** Total number of requests active across all targets */
|
---|
| 461 | volatile uint32_t cActiveReqs;
|
---|
| 462 |
|
---|
[80499] | 463 |
|
---|
| 464 | /** True if the guest/driver and VirtIO framework are in the ready state */
|
---|
[81628] | 465 | uint32_t fVirtioReady;
|
---|
[80499] | 466 |
|
---|
| 467 | /** True if VIRTIO_SCSI_F_T10_PI was negotiated */
|
---|
[81628] | 468 | uint32_t fHasT10pi;
|
---|
[80499] | 469 |
|
---|
[91703] | 470 | /** True if VIRTIO_SCSI_F_HOTPLUG was negotiated */
|
---|
[81628] | 471 | uint32_t fHasHotplug;
|
---|
[80499] | 472 |
|
---|
[91703] | 473 | /** True if VIRTIO_SCSI_F_INOUT was negotiated */
|
---|
[81628] | 474 | uint32_t fHasInOutBufs;
|
---|
[80499] | 475 |
|
---|
[91703] | 476 | /** True if VIRTIO_SCSI_F_CHANGE was negotiated */
|
---|
[81628] | 477 | uint32_t fHasLunChange;
|
---|
[80148] | 478 |
|
---|
[80657] | 479 | /** True if in the process of resetting */
|
---|
[81628] | 480 | uint32_t fResetting;
|
---|
[80657] | 481 |
|
---|
[81675] | 482 | } VIRTIOSCSI;
|
---|
| 483 | /** Pointer to the shared state of the VirtIO Host SCSI device. */
|
---|
| 484 | typedef VIRTIOSCSI *PVIRTIOSCSI;
|
---|
| 485 |
|
---|
| 486 |
|
---|
| 487 | /**
|
---|
| 488 | * VirtIO Host SCSI device state, ring-3 edition.
|
---|
| 489 | *
|
---|
[81678] | 490 | * @extends VIRTIOCORER3
|
---|
[81675] | 491 | */
|
---|
| 492 | typedef struct VIRTIOSCSIR3
|
---|
| 493 | {
|
---|
[81678] | 494 | /** The core virtio ring-3 state. */
|
---|
| 495 | VIRTIOCORER3 Virtio;
|
---|
[81675] | 496 |
|
---|
| 497 | /** Array of per-target data. */
|
---|
| 498 | R3PTRTYPE(PVIRTIOSCSITARGET) paTargetInstances;
|
---|
| 499 |
|
---|
| 500 | /** Per device-bound virtq worker-thread contexts (eventq slot unused) */
|
---|
[84803] | 501 | VIRTIOSCSIWORKERR3 aWorkers[VIRTIOSCSI_VIRTQ_CNT];
|
---|
[81675] | 502 |
|
---|
| 503 | /** Device base interface. */
|
---|
| 504 | PDMIBASE IBase;
|
---|
| 505 |
|
---|
| 506 | /** Pointer to the device instance.
|
---|
| 507 | * @note Only used in interface callbacks. */
|
---|
| 508 | PPDMDEVINSR3 pDevIns;
|
---|
| 509 |
|
---|
| 510 | /** Status Target: LEDs port interface. */
|
---|
| 511 | PDMILEDPORTS ILeds;
|
---|
| 512 |
|
---|
| 513 | /** IMediaExPort: Media ejection notification */
|
---|
| 514 | R3PTRTYPE(PPDMIMEDIANOTIFY) pMediaNotify;
|
---|
| 515 |
|
---|
[84803] | 516 | /** Virtq to send tasks to R3. - HC ptr */
|
---|
| 517 | R3PTRTYPE(PPDMQUEUE) pNotifierVirtqR3;
|
---|
[81675] | 518 |
|
---|
[80657] | 519 | /** True if in the process of quiescing I/O */
|
---|
[81628] | 520 | uint32_t fQuiescing;
|
---|
[81973] | 521 |
|
---|
[81660] | 522 | /** For which purpose we're quiescing. */
|
---|
[81973] | 523 | VIRTIOVMSTATECHANGED enmQuiescingFor;
|
---|
[80657] | 524 |
|
---|
[81675] | 525 | } VIRTIOSCSIR3;
|
---|
| 526 | /** Pointer to the ring-3 state of the VirtIO Host SCSI device. */
|
---|
| 527 | typedef VIRTIOSCSIR3 *PVIRTIOSCSIR3;
|
---|
[79289] | 528 |
|
---|
[81675] | 529 |
|
---|
[80219] | 530 | /**
|
---|
[81675] | 531 | * VirtIO Host SCSI device state, ring-0 edition.
|
---|
| 532 | */
|
---|
| 533 | typedef struct VIRTIOSCSIR0
|
---|
| 534 | {
|
---|
[81678] | 535 | /** The core virtio ring-0 state. */
|
---|
| 536 | VIRTIOCORER0 Virtio;
|
---|
[81675] | 537 | } VIRTIOSCSIR0;
|
---|
| 538 | /** Pointer to the ring-0 state of the VirtIO Host SCSI device. */
|
---|
| 539 | typedef VIRTIOSCSIR0 *PVIRTIOSCSIR0;
|
---|
| 540 |
|
---|
| 541 |
|
---|
| 542 | /**
|
---|
| 543 | * VirtIO Host SCSI device state, raw-mode edition.
|
---|
| 544 | */
|
---|
| 545 | typedef struct VIRTIOSCSIRC
|
---|
| 546 | {
|
---|
[81678] | 547 | /** The core virtio raw-mode state. */
|
---|
| 548 | VIRTIOCORERC Virtio;
|
---|
[81675] | 549 | } VIRTIOSCSIRC;
|
---|
| 550 | /** Pointer to the ring-0 state of the VirtIO Host SCSI device. */
|
---|
| 551 | typedef VIRTIOSCSIRC *PVIRTIOSCSIRC;
|
---|
| 552 |
|
---|
| 553 |
|
---|
| 554 | /** @typedef VIRTIOSCSICC
|
---|
| 555 | * The instance data for the current context. */
|
---|
| 556 | typedef CTX_SUFF(VIRTIOSCSI) VIRTIOSCSICC;
|
---|
| 557 | /** @typedef PVIRTIOSCSICC
|
---|
| 558 | * Pointer to the instance data for the current context. */
|
---|
| 559 | typedef CTX_SUFF(PVIRTIOSCSI) PVIRTIOSCSICC;
|
---|
| 560 |
|
---|
| 561 |
|
---|
| 562 | /**
|
---|
[80437] | 563 | * Request structure for IMediaEx (Associated Interfaces implemented by DrvSCSI)
|
---|
[81634] | 564 | * @note cbIn, cbOUt, cbDataOut mostly for debugging
|
---|
[80240] | 565 | */
|
---|
| 566 | typedef struct VIRTIOSCSIREQ
|
---|
| 567 | {
|
---|
[81634] | 568 | PDMMEDIAEXIOREQ hIoReq; /**< Handle of I/O request */
|
---|
| 569 | PVIRTIOSCSITARGET pTarget; /**< Target */
|
---|
[84819] | 570 | uint16_t uVirtqNbr; /**< Index of queue this request arrived on */
|
---|
| 571 | PVIRTQBUF pVirtqBuf; /**< Prepared desc chain pulled from virtq avail ring */
|
---|
[91703] | 572 | size_t cbDataIn; /**< size of datain buffer */
|
---|
[84388] | 573 | size_t cbDataOut; /**< size of dataout buffer */
|
---|
[81634] | 574 | uint16_t uDataInOff; /**< Fixed size of respHdr + sense (precede datain) */
|
---|
[91703] | 575 | uint16_t uDataOutOff; /**< Fixed size of reqhdr + cdb (precede dataout) */
|
---|
[81634] | 576 | uint32_t cbSenseAlloc; /**< Size of sense buffer */
|
---|
| 577 | size_t cbSenseLen; /**< Receives \# bytes written into sense buffer */
|
---|
| 578 | uint8_t *pbSense; /**< Pointer to R3 sense buffer */
|
---|
| 579 | PDMMEDIAEXIOREQSCSITXDIR enmTxDir; /**< Receives transfer direction of I/O req */
|
---|
| 580 | uint8_t uStatus; /**< SCSI status code */
|
---|
[80240] | 581 | } VIRTIOSCSIREQ;
|
---|
[81634] | 582 | typedef VIRTIOSCSIREQ *PVIRTIOSCSIREQ;
|
---|
[80240] | 583 |
|
---|
[81636] | 584 |
|
---|
[84351] | 585 | /**
|
---|
[84803] | 586 | * callback_method_impl{VIRTIOCORER0,pfnVirtqNotified}
|
---|
[84356] | 587 | * @todo this causes burn if I prefix with at-sign. This callback is in VIRTIOCORER0 and VIRTIOCORER3
|
---|
[84351] | 588 | */
|
---|
[84819] | 589 | static DECLCALLBACK(void) virtioScsiNotified(PPDMDEVINS pDevIns, PVIRTIOCORE pVirtio, uint16_t uVirtqNbr)
|
---|
[84351] | 590 | {
|
---|
| 591 |
|
---|
| 592 | RT_NOREF(pVirtio);
|
---|
| 593 | PVIRTIOSCSI pThis = PDMDEVINS_2_DATA(pDevIns, PVIRTIOSCSI);
|
---|
| 594 |
|
---|
[84819] | 595 | AssertReturnVoid(uVirtqNbr < VIRTIOSCSI_VIRTQ_CNT);
|
---|
| 596 | PVIRTIOSCSIWORKER pWorker = &pThis->aWorkers[uVirtqNbr];
|
---|
[84351] | 597 |
|
---|
| 598 | #if defined (IN_RING3) && defined (LOG_ENABLED)
|
---|
| 599 | RTLogFlush(NULL);
|
---|
| 600 | #endif
|
---|
| 601 |
|
---|
[84819] | 602 | if (uVirtqNbr == CONTROLQ_IDX || IS_REQ_VIRTQ(uVirtqNbr))
|
---|
[84351] | 603 | {
|
---|
[84819] | 604 | Log6Func(("%s has available data\n", VIRTQNAME(uVirtqNbr)));
|
---|
[84351] | 605 | /* Wake queue's worker thread up if sleeping */
|
---|
| 606 | if (!ASMAtomicXchgBool(&pWorker->fNotified, true))
|
---|
| 607 | {
|
---|
| 608 | if (ASMAtomicReadBool(&pWorker->fSleeping))
|
---|
| 609 | {
|
---|
[84819] | 610 | Log6Func(("waking %s worker.\n", VIRTQNAME(uVirtqNbr)));
|
---|
[84351] | 611 | int rc = PDMDevHlpSUPSemEventSignal(pDevIns, pWorker->hEvtProcess);
|
---|
| 612 | AssertRC(rc);
|
---|
| 613 | }
|
---|
| 614 | }
|
---|
| 615 | }
|
---|
[84819] | 616 | else if (uVirtqNbr == EVENTQ_IDX)
|
---|
[84351] | 617 | {
|
---|
[84819] | 618 | Log3Func(("Driver queued buffer(s) to %s\n", VIRTQNAME(uVirtqNbr)));
|
---|
[84351] | 619 | // if (ASMAtomicXchgBool(&pThis->fEventsMissed, false))
|
---|
| 620 | // virtioScsiR3ReportEventsMissed(pDevIns, pThis, 0);
|
---|
| 621 | }
|
---|
| 622 | else
|
---|
[84819] | 623 | LogFunc(("Unexpected queue idx (ignoring): %d\n", uVirtqNbr));
|
---|
[84351] | 624 | }
|
---|
| 625 |
|
---|
| 626 |
|
---|
[81662] | 627 | #ifdef IN_RING3 /* spans most of the file, at the moment. */
|
---|
| 628 |
|
---|
[82042] | 629 |
|
---|
| 630 | DECLINLINE(void) virtioScsiSetVirtqNames(PVIRTIOSCSI pThis)
|
---|
| 631 | {
|
---|
[84803] | 632 | RTStrCopy(pThis->aszVirtqNames[CONTROLQ_IDX], VIRTIO_MAX_VIRTQ_NAME_SIZE, "controlq");
|
---|
| 633 | RTStrCopy(pThis->aszVirtqNames[EVENTQ_IDX], VIRTIO_MAX_VIRTQ_NAME_SIZE, "eventq");
|
---|
[84819] | 634 | for (uint16_t uVirtqNbr = VIRTQ_REQ_BASE; uVirtqNbr < VIRTQ_REQ_BASE + VIRTIOSCSI_REQ_VIRTQ_CNT; uVirtqNbr++)
|
---|
| 635 | RTStrPrintf(pThis->aszVirtqNames[uVirtqNbr], VIRTIO_MAX_VIRTQ_NAME_SIZE,
|
---|
| 636 | "requestq<%d>", uVirtqNbr - VIRTQ_REQ_BASE);
|
---|
[82042] | 637 | }
|
---|
| 638 |
|
---|
[81636] | 639 | #ifdef LOG_ENABLED
|
---|
| 640 |
|
---|
[82042] | 641 |
|
---|
[80596] | 642 | DECLINLINE(const char *) virtioGetTxDirText(uint32_t enmTxDir)
|
---|
| 643 | {
|
---|
| 644 | switch (enmTxDir)
|
---|
| 645 | {
|
---|
| 646 | case PDMMEDIAEXIOREQSCSITXDIR_UNKNOWN: return "<UNKNOWN>";
|
---|
| 647 | case PDMMEDIAEXIOREQSCSITXDIR_FROM_DEVICE: return "<DEV-TO-GUEST>";
|
---|
| 648 | case PDMMEDIAEXIOREQSCSITXDIR_TO_DEVICE: return "<GUEST-TO-DEV>";
|
---|
| 649 | case PDMMEDIAEXIOREQSCSITXDIR_NONE: return "<NONE>";
|
---|
| 650 | default: return "<BAD ENUM>";
|
---|
| 651 | }
|
---|
| 652 | }
|
---|
| 653 |
|
---|
[80437] | 654 | DECLINLINE(const char *) virtioGetTMFTypeText(uint32_t uSubType)
|
---|
| 655 | {
|
---|
| 656 | switch (uSubType)
|
---|
| 657 | {
|
---|
| 658 | case VIRTIOSCSI_T_TMF_ABORT_TASK: return "ABORT TASK";
|
---|
| 659 | case VIRTIOSCSI_T_TMF_ABORT_TASK_SET: return "ABORT TASK SET";
|
---|
| 660 | case VIRTIOSCSI_T_TMF_CLEAR_ACA: return "CLEAR ACA";
|
---|
| 661 | case VIRTIOSCSI_T_TMF_CLEAR_TASK_SET: return "CLEAR TASK SET";
|
---|
| 662 | case VIRTIOSCSI_T_TMF_I_T_NEXUS_RESET: return "I T NEXUS RESET";
|
---|
| 663 | case VIRTIOSCSI_T_TMF_LOGICAL_UNIT_RESET: return "LOGICAL UNIT RESET";
|
---|
| 664 | case VIRTIOSCSI_T_TMF_QUERY_TASK: return "QUERY TASK";
|
---|
| 665 | case VIRTIOSCSI_T_TMF_QUERY_TASK_SET: return "QUERY TASK SET";
|
---|
| 666 | default: return "<unknown>";
|
---|
| 667 | }
|
---|
| 668 | }
|
---|
| 669 |
|
---|
| 670 | DECLINLINE(const char *) virtioGetReqRespText(uint32_t vboxRc)
|
---|
| 671 | {
|
---|
| 672 | switch (vboxRc)
|
---|
| 673 | {
|
---|
[81628] | 674 | case VIRTIOSCSI_S_OK: return "OK/COMPLETE";
|
---|
[80437] | 675 | case VIRTIOSCSI_S_OVERRUN: return "OVERRRUN";
|
---|
[80575] | 676 | case VIRTIOSCSI_S_ABORTED: return "ABORTED";
|
---|
[80437] | 677 | case VIRTIOSCSI_S_BAD_TARGET: return "BAD TARGET";
|
---|
| 678 | case VIRTIOSCSI_S_RESET: return "RESET";
|
---|
[80575] | 679 | case VIRTIOSCSI_S_TRANSPORT_FAILURE: return "TRANSPORT FAILURE";
|
---|
| 680 | case VIRTIOSCSI_S_TARGET_FAILURE: return "TARGET FAILURE";
|
---|
[80437] | 681 | case VIRTIOSCSI_S_NEXUS_FAILURE: return "NEXUS FAILURE";
|
---|
[80575] | 682 | case VIRTIOSCSI_S_BUSY: return "BUSY";
|
---|
[80437] | 683 | case VIRTIOSCSI_S_FAILURE: return "FAILURE";
|
---|
| 684 | case VIRTIOSCSI_S_INCORRECT_LUN: return "INCORRECT LUN";
|
---|
| 685 | case VIRTIOSCSI_S_FUNCTION_SUCCEEDED: return "FUNCTION SUCCEEDED";
|
---|
| 686 | case VIRTIOSCSI_S_FUNCTION_REJECTED: return "FUNCTION REJECTED";
|
---|
| 687 | default: return "<unknown>";
|
---|
| 688 | }
|
---|
| 689 | }
|
---|
| 690 |
|
---|
[81634] | 691 | DECLINLINE(void) virtioGetControlAsyncMaskText(char *pszOutput, uint32_t cbOutput, uint32_t fAsyncTypesMask)
|
---|
[80501] | 692 | {
|
---|
[80539] | 693 | RTStrPrintf(pszOutput, cbOutput, "%s%s%s%s%s%s",
|
---|
[81634] | 694 | fAsyncTypesMask & VIRTIOSCSI_EVT_ASYNC_OPERATIONAL_CHANGE ? "CHANGE_OPERATION " : "",
|
---|
| 695 | fAsyncTypesMask & VIRTIOSCSI_EVT_ASYNC_POWER_MGMT ? "POWER_MGMT " : "",
|
---|
| 696 | fAsyncTypesMask & VIRTIOSCSI_EVT_ASYNC_EXTERNAL_REQUEST ? "EXTERNAL_REQ " : "",
|
---|
| 697 | fAsyncTypesMask & VIRTIOSCSI_EVT_ASYNC_MEDIA_CHANGE ? "MEDIA_CHANGE " : "",
|
---|
| 698 | fAsyncTypesMask & VIRTIOSCSI_EVT_ASYNC_MULTI_HOST ? "MULTI_HOST " : "",
|
---|
| 699 | fAsyncTypesMask & VIRTIOSCSI_EVT_ASYNC_DEVICE_BUSY ? "DEVICE_BUSY " : "");
|
---|
[80501] | 700 | }
|
---|
| 701 |
|
---|
[81634] | 702 | static uint8_t virtioScsiEstimateCdbLen(uint8_t uCmd, uint8_t cbMax)
|
---|
[80522] | 703 | {
|
---|
| 704 | if (uCmd < 0x1f)
|
---|
[83566] | 705 | return RT_MIN(6, cbMax);
|
---|
[81634] | 706 | if (uCmd >= 0x20 && uCmd < 0x60)
|
---|
[83566] | 707 | return RT_MIN(10, cbMax);
|
---|
[81634] | 708 | if (uCmd >= 0x60 && uCmd < 0x80)
|
---|
[80522] | 709 | return cbMax;
|
---|
[81634] | 710 | if (uCmd >= 0x80 && uCmd < 0xa0)
|
---|
[83566] | 711 | return RT_MIN(16, cbMax);
|
---|
[81634] | 712 | if (uCmd >= 0xa0 && uCmd < 0xc0)
|
---|
[83566] | 713 | return RT_MIN(12, cbMax);
|
---|
[81634] | 714 | return cbMax;
|
---|
[80522] | 715 | }
|
---|
[81636] | 716 |
|
---|
[81634] | 717 | #endif /* LOG_ENABLED */
|
---|
[80437] | 718 |
|
---|
[84355] | 719 |
|
---|
[98661] | 720 | /**
|
---|
| 721 | * Wrapper around virtioCoreR3VirtqUsedBufPut() and virtioCoreVirtqUsedRingSync() doing some device locking.
|
---|
| 722 | *
|
---|
| 723 | * @param pDevIns The PDM device instance.
|
---|
| 724 | * @param pVirtio Pointer to the shared virtio core structure.
|
---|
| 725 | * @param uVirtqNbr The virtq number.
|
---|
| 726 | * @param pSgVirtReturn The S/G buffer to return data from.
|
---|
| 727 | * @param pVirtqBuf The virtq buffer.
|
---|
| 728 | *
|
---|
| 729 | * @note This is a temporary fix, see @bugref{9440#c164} on why it is necessary. Should be moved to VirtioCore or
|
---|
| 730 | * VirtioCore should be changed to not require locking.
|
---|
| 731 | */
|
---|
| 732 | DECLINLINE(void) virtioScsiR3VirtqUsedBufPutAndSync(PPDMDEVINS pDevIns, PVIRTIOCORE pVirtio, uint16_t uVirtqNbr, PRTSGBUF pSgVirtReturn,
|
---|
| 733 | PVIRTQBUF pVirtqBuf)
|
---|
| 734 | {
|
---|
| 735 | PVIRTIOSCSICC pThisCC = PDMDEVINS_2_DATA_CC(pDevIns, PVIRTIOSCSICC);
|
---|
| 736 |
|
---|
| 737 | RTCritSectEnter(&pThisCC->aWorkers[uVirtqNbr].CritSectVirtq);
|
---|
| 738 | virtioCoreR3VirtqUsedBufPut(pThisCC->pDevIns, pVirtio, uVirtqNbr, pSgVirtReturn, pVirtqBuf, true /* fFence */);
|
---|
| 739 | virtioCoreVirtqUsedRingSync(pThisCC->pDevIns, pVirtio, uVirtqNbr);
|
---|
| 740 | RTCritSectLeave(&pThisCC->aWorkers[uVirtqNbr].CritSectVirtq);
|
---|
| 741 | }
|
---|
| 742 |
|
---|
| 743 |
|
---|
[84357] | 744 | /*
|
---|
| 745 | * @todo Figure out how to implement this with R0 changes. Not used by current linux driver
|
---|
| 746 | */
|
---|
| 747 |
|
---|
[84355] | 748 | #if 0
|
---|
[81675] | 749 | static int virtioScsiR3SendEvent(PPDMDEVINS pDevIns, PVIRTIOSCSI pThis, uint16_t uTarget, uint32_t uEventType, uint32_t uReason)
|
---|
[80499] | 750 | {
|
---|
[81634] | 751 | switch (uEventType)
|
---|
[80499] | 752 | {
|
---|
| 753 | case VIRTIOSCSI_T_NO_EVENT:
|
---|
[81634] | 754 | Log6Func(("(target=%d, LUN=%d): Warning event info guest queued is shorter than configured\n", uTarget, LUN0));
|
---|
[80499] | 755 | break;
|
---|
[81634] | 756 | case VIRTIOSCSI_T_NO_EVENT | VIRTIOSCSI_T_EVENTS_MISSED:
|
---|
| 757 | Log6Func(("(target=%d, LUN=%d): Warning driver that events were missed\n", uTarget, LUN0));
|
---|
| 758 | break;
|
---|
[80499] | 759 | case VIRTIOSCSI_T_TRANSPORT_RESET:
|
---|
[81634] | 760 | switch (uReason)
|
---|
[80499] | 761 | {
|
---|
| 762 | case VIRTIOSCSI_EVT_RESET_REMOVED:
|
---|
[80928] | 763 | Log6Func(("(target=%d, LUN=%d): Target or LUN removed\n", uTarget, LUN0));
|
---|
[80499] | 764 | break;
|
---|
| 765 | case VIRTIOSCSI_EVT_RESET_RESCAN:
|
---|
[80928] | 766 | Log6Func(("(target=%d, LUN=%d): Target or LUN added\n", uTarget, LUN0));
|
---|
[80499] | 767 | break;
|
---|
| 768 | case VIRTIOSCSI_EVT_RESET_HARD:
|
---|
[80928] | 769 | Log6Func(("(target=%d, LUN=%d): Target was reset\n", uTarget, LUN0));
|
---|
[80499] | 770 | break;
|
---|
| 771 | }
|
---|
| 772 | break;
|
---|
| 773 | case VIRTIOSCSI_T_ASYNC_NOTIFY:
|
---|
[81634] | 774 | {
|
---|
| 775 | #ifdef LOG_ENABLED
|
---|
[80499] | 776 | char szTypeText[128];
|
---|
| 777 | virtioGetControlAsyncMaskText(szTypeText, sizeof(szTypeText), uReason);
|
---|
[81634] | 778 | Log6Func(("(target=%d, LUN=%d): Delivering subscribed async notification %s\n", uTarget, LUN0, szTypeText));
|
---|
| 779 | #endif
|
---|
[80499] | 780 | break;
|
---|
[81634] | 781 | }
|
---|
[80499] | 782 | case VIRTIOSCSI_T_PARAM_CHANGE:
|
---|
[80718] | 783 | LogFunc(("(target=%d, LUN=%d): PARAM_CHANGE sense code: 0x%x sense qualifier: 0x%x\n",
|
---|
[81634] | 784 | uTarget, LUN0, uReason & 0xff, (uReason >> 8) & 0xff));
|
---|
[80499] | 785 | break;
|
---|
| 786 | default:
|
---|
[81634] | 787 | Log6Func(("(target=%d, LUN=%d): Unknown event type: %d, ignoring\n", uTarget, LUN0, uEventType));
|
---|
[80499] | 788 | return VINF_SUCCESS;
|
---|
| 789 | }
|
---|
| 790 |
|
---|
[84819] | 791 | PVIRTQBUF pVirtqBuf = NULL;
|
---|
[84876] | 792 | int rc = virtioCoreR3VirtqAvailBufGet(pDevIns, &pThis->Virtio, EVENTQ_IDX, &pVirtqBuf, true);
|
---|
[83913] | 793 | if (rc == VERR_NOT_AVAILABLE)
|
---|
[80499] | 794 | {
|
---|
[80718] | 795 | LogFunc(("eventq is empty, events missed (driver didn't preload queue)!\n"));
|
---|
[80499] | 796 | ASMAtomicWriteBool(&pThis->fEventsMissed, true);
|
---|
| 797 | return VINF_SUCCESS;
|
---|
| 798 | }
|
---|
[83573] | 799 | AssertRCReturn(rc, rc);
|
---|
[80499] | 800 |
|
---|
[83573] | 801 | VIRTIOSCSI_EVENT_T Event;
|
---|
| 802 | Event.uEvent = uEventType;
|
---|
| 803 | Event.uReason = uReason;
|
---|
| 804 | Event.abVirtioLun[0] = 1;
|
---|
| 805 | Event.abVirtioLun[1] = uTarget;
|
---|
| 806 | Event.abVirtioLun[2] = (LUN0 >> 8) & 0x40;
|
---|
| 807 | Event.abVirtioLun[3] = LUN0 & 0xff;
|
---|
| 808 | Event.abVirtioLun[4] = 0;
|
---|
| 809 | Event.abVirtioLun[5] = 0;
|
---|
| 810 | Event.abVirtioLun[6] = 0;
|
---|
| 811 | Event.abVirtioLun[7] = 0;
|
---|
[80499] | 812 |
|
---|
[83573] | 813 | RTSGSEG aReqSegs[1];
|
---|
| 814 | aReqSegs[0].pvSeg = &Event;
|
---|
| 815 | aReqSegs[0].cbSeg = sizeof(Event);
|
---|
[81973] | 816 |
|
---|
[83573] | 817 | RTSGBUF ReqSgBuf;
|
---|
| 818 | RTSgBufInit(&ReqSgBuf, aReqSegs, RT_ELEMENTS(aReqSegs));
|
---|
[81973] | 819 |
|
---|
[98661] | 820 | virtioScsiR3VirtqUsedBufPutAndSync(pDevIns, &pThis->Virtio, EVENTQ_IDX, &ReqSgBuf, pVirtqBuf);
|
---|
[84819] | 821 | virtioCoreR3VirtqBufRelease(&pThis->Virtio, pVirtqBuf);
|
---|
[80499] | 822 |
|
---|
[83913] | 823 | return rc;
|
---|
[80596] | 824 | }
|
---|
[84355] | 825 | #endif
|
---|
[80499] | 826 |
|
---|
[97400] | 827 | /**
|
---|
| 828 | * Releases one reference from the given controller instances active request counter.
|
---|
| 829 | *
|
---|
| 830 | * @param pDevIns The device instance.
|
---|
| 831 | * @param pThis VirtIO SCSI shared instance data.
|
---|
| 832 | * @param pThisCC VirtIO SCSI ring-3 instance data.
|
---|
| 833 | */
|
---|
| 834 | DECLINLINE(void) virtioScsiR3Release(PPDMDEVINS pDevIns, PVIRTIOSCSI pThis, PVIRTIOSCSICC pThisCC)
|
---|
| 835 | {
|
---|
| 836 | Assert(pThis->cActiveReqs);
|
---|
| 837 |
|
---|
| 838 | if (!ASMAtomicDecU32(&pThis->cActiveReqs) && pThisCC->fQuiescing)
|
---|
| 839 | PDMDevHlpAsyncNotificationCompleted(pDevIns);
|
---|
| 840 | }
|
---|
| 841 |
|
---|
| 842 | /**
|
---|
| 843 | * Retains one reference for the given controller instances active request counter.
|
---|
| 844 | *
|
---|
| 845 | * @param pThis VirtIO SCSI shared instance data.
|
---|
| 846 | */
|
---|
| 847 | DECLINLINE(void) virtioScsiR3Retain(PVIRTIOSCSI pThis)
|
---|
| 848 | {
|
---|
| 849 | ASMAtomicIncU32(&pThis->cActiveReqs);
|
---|
| 850 | }
|
---|
| 851 |
|
---|
[81634] | 852 | /** Internal worker. */
|
---|
| 853 | static void virtioScsiR3FreeReq(PVIRTIOSCSITARGET pTarget, PVIRTIOSCSIREQ pReq)
|
---|
[80615] | 854 | {
|
---|
[83603] | 855 | PVIRTIOSCSI pThis = PDMDEVINS_2_DATA(pTarget->pDevIns, PVIRTIOSCSI);
|
---|
[80615] | 856 | RTMemFree(pReq->pbSense);
|
---|
[81634] | 857 | pReq->pbSense = NULL;
|
---|
[84819] | 858 | virtioCoreR3VirtqBufRelease(&pThis->Virtio, pReq->pVirtqBuf);
|
---|
| 859 | pReq->pVirtqBuf = NULL;
|
---|
[80615] | 860 | pTarget->pDrvMediaEx->pfnIoReqFree(pTarget->pDrvMediaEx, pReq->hIoReq);
|
---|
| 861 | }
|
---|
| 862 |
|
---|
[80596] | 863 | /**
|
---|
| 864 | * This is called to complete a request immediately
|
---|
| 865 | *
|
---|
[81675] | 866 | * @param pDevIns The device instance.
|
---|
| 867 | * @param pThis VirtIO SCSI shared instance data.
|
---|
[84819] | 868 | * @param uVirtqNbr Virtq index
|
---|
| 869 | * @param pVirtqBuf Pointer to pre-processed descriptor chain pulled from virtq
|
---|
[81634] | 870 | * @param pRespHdr Response header
|
---|
| 871 | * @param pbSense Pointer to sense buffer or NULL if none.
|
---|
[83567] | 872 | * @param cbSenseCfg The configured sense buffer size.
|
---|
[80596] | 873 | *
|
---|
[83567] | 874 | * @returns VINF_SUCCESS
|
---|
[80596] | 875 | */
|
---|
[97402] | 876 | static int virtioScsiR3ReqErr(PPDMDEVINS pDevIns, PVIRTIOSCSI pThis, uint16_t uVirtqNbr,
|
---|
[84819] | 877 | PVIRTQBUF pVirtqBuf, REQ_RESP_HDR_T *pRespHdr, uint8_t *pbSense,
|
---|
[84389] | 878 | size_t cbSenseCfg)
|
---|
[80596] | 879 | {
|
---|
[82183] | 880 | Log2Func((" status: %s response: %s\n",
|
---|
[83565] | 881 | SCSIStatusText(pRespHdr->uStatus), virtioGetReqRespText(pRespHdr->uResponse)));
|
---|
[80596] | 882 |
|
---|
[83567] | 883 | RTSGSEG aReqSegs[2];
|
---|
[81838] | 884 |
|
---|
[91703] | 885 | /* Segment #1: Response header*/
|
---|
[83567] | 886 | aReqSegs[0].pvSeg = pRespHdr;
|
---|
| 887 | aReqSegs[0].cbSeg = sizeof(*pRespHdr);
|
---|
[80596] | 888 |
|
---|
[83567] | 889 | /* Segment #2: Sense data. */
|
---|
| 890 | uint8_t abSenseBuf[VIRTIOSCSI_SENSE_SIZE_MAX];
|
---|
| 891 | AssertCompile(VIRTIOSCSI_SENSE_SIZE_MAX <= 4096);
|
---|
| 892 | Assert(cbSenseCfg <= sizeof(abSenseBuf));
|
---|
[81814] | 893 |
|
---|
[83567] | 894 | RT_ZERO(abSenseBuf);
|
---|
[81634] | 895 | if (pbSense && pRespHdr->cbSenseLen)
|
---|
[83567] | 896 | memcpy(abSenseBuf, pbSense, RT_MIN(pRespHdr->cbSenseLen, sizeof(abSenseBuf)));
|
---|
[80596] | 897 | else
|
---|
[81634] | 898 | pRespHdr->cbSenseLen = 0;
|
---|
[80596] | 899 |
|
---|
[83567] | 900 | aReqSegs[1].pvSeg = abSenseBuf;
|
---|
| 901 | aReqSegs[1].cbSeg = cbSenseCfg;
|
---|
[82151] | 902 |
|
---|
[83567] | 903 | /* Init S/G buffer. */
|
---|
| 904 | RTSGBUF ReqSgBuf;
|
---|
| 905 | RTSgBufInit(&ReqSgBuf, aReqSegs, RT_ELEMENTS(aReqSegs));
|
---|
[80596] | 906 |
|
---|
[80657] | 907 | if (pThis->fResetting)
|
---|
| 908 | pRespHdr->uResponse = VIRTIOSCSI_S_RESET;
|
---|
| 909 |
|
---|
[98661] | 910 | virtioScsiR3VirtqUsedBufPutAndSync(pDevIns, &pThis->Virtio, uVirtqNbr, &ReqSgBuf, pVirtqBuf);
|
---|
[80718] | 911 | Log2(("---------------------------------------------------------------------------------\n"));
|
---|
[80596] | 912 |
|
---|
| 913 | return VINF_SUCCESS;
|
---|
[80499] | 914 | }
|
---|
[80596] | 915 |
|
---|
[83568] | 916 |
|
---|
| 917 | /**
|
---|
| 918 | * Variant of virtioScsiR3ReqErr that takes four (4) REQ_RESP_HDR_T member
|
---|
| 919 | * fields rather than a pointer to an initialized structure.
|
---|
| 920 | *
|
---|
| 921 | * @param pDevIns The device instance.
|
---|
| 922 | * @param pThis VirtIO SCSI shared instance data.
|
---|
[84819] | 923 | * @param uVirtqNbr Virtq index
|
---|
| 924 | * @param pVirtqBuf Pointer to pre-processed descriptor chain pulled from virtq
|
---|
[83568] | 925 | * @param cbResidual The number of residual bytes or something like that.
|
---|
| 926 | * @param bStatus The SCSI status code.
|
---|
| 927 | * @param bResponse The virtio SCSI response code.
|
---|
| 928 | * @param pbSense Pointer to sense buffer or NULL if none.
|
---|
| 929 | * @param cbSense The number of bytes of sense data. Zero if none.
|
---|
| 930 | * @param cbSenseCfg The configured sense buffer size.
|
---|
| 931 | *
|
---|
| 932 | * @returns VINF_SUCCESS
|
---|
| 933 | */
|
---|
[97402] | 934 | static int virtioScsiR3ReqErr4(PPDMDEVINS pDevIns, PVIRTIOSCSI pThis, uint16_t uVirtqNbr,
|
---|
[84819] | 935 | PVIRTQBUF pVirtqBuf, size_t cbResidual, uint8_t bStatus, uint8_t bResponse,
|
---|
[84388] | 936 | uint8_t *pbSense, size_t cbSense, size_t cbSenseCfg)
|
---|
[83568] | 937 | {
|
---|
| 938 | REQ_RESP_HDR_T RespHdr;
|
---|
[84389] | 939 | RespHdr.cbSenseLen = cbSense & UINT32_MAX;
|
---|
[84391] | 940 | RespHdr.uResidual = cbResidual & UINT32_MAX;
|
---|
[83568] | 941 | RespHdr.uStatusQualifier = 0;
|
---|
| 942 | RespHdr.uStatus = bStatus;
|
---|
| 943 | RespHdr.uResponse = bResponse;
|
---|
| 944 |
|
---|
[97402] | 945 | return virtioScsiR3ReqErr(pDevIns, pThis, uVirtqNbr, pVirtqBuf, &RespHdr, pbSense, cbSenseCfg);
|
---|
[83568] | 946 | }
|
---|
| 947 |
|
---|
[81634] | 948 | static void virtioScsiR3SenseKeyToVirtioResp(REQ_RESP_HDR_T *respHdr, uint8_t uSenseKey)
|
---|
[81628] | 949 | {
|
---|
| 950 | switch (uSenseKey)
|
---|
| 951 | {
|
---|
| 952 | case SCSI_SENSE_ABORTED_COMMAND:
|
---|
| 953 | respHdr->uResponse = VIRTIOSCSI_S_ABORTED;
|
---|
| 954 | break;
|
---|
| 955 | case SCSI_SENSE_COPY_ABORTED:
|
---|
| 956 | respHdr->uResponse = VIRTIOSCSI_S_ABORTED;
|
---|
| 957 | break;
|
---|
| 958 | case SCSI_SENSE_UNIT_ATTENTION:
|
---|
| 959 | respHdr->uResponse = VIRTIOSCSI_S_TARGET_FAILURE;
|
---|
| 960 | break;
|
---|
| 961 | case SCSI_SENSE_HARDWARE_ERROR:
|
---|
| 962 | respHdr->uResponse = VIRTIOSCSI_S_TARGET_FAILURE;
|
---|
| 963 | break;
|
---|
| 964 | case SCSI_SENSE_NOT_READY:
|
---|
[82183] | 965 | /* Not sure what to return for this. See choices at VirtIO 1.0, 5.6.6.1.1 */
|
---|
| 966 | respHdr->uResponse = VIRTIOSCSI_S_FAILURE;
|
---|
| 967 | /* respHdr->uResponse = VIRTIOSCSI_S_BUSY; */ /* BUSY is VirtIO's 'retryable' response */
|
---|
[81628] | 968 | break;
|
---|
| 969 | default:
|
---|
| 970 | respHdr->uResponse = VIRTIOSCSI_S_FAILURE;
|
---|
| 971 | break;
|
---|
| 972 | }
|
---|
| 973 | }
|
---|
[81634] | 974 |
|
---|
[80657] | 975 | /**
|
---|
| 976 | * @interface_method_impl{PDMIMEDIAEXPORT,pfnIoReqCompleteNotify}
|
---|
[80575] | 977 | */
|
---|
[81634] | 978 | static DECLCALLBACK(int) virtioScsiR3IoReqFinish(PPDMIMEDIAEXPORT pInterface, PDMMEDIAEXIOREQ hIoReq,
|
---|
| 979 | void *pvIoReqAlloc, int rcReq)
|
---|
[80437] | 980 | {
|
---|
[81675] | 981 | PVIRTIOSCSITARGET pTarget = RT_FROM_MEMBER(pInterface, VIRTIOSCSITARGET, IMediaExPort);
|
---|
| 982 | PPDMDEVINS pDevIns = pTarget->pDevIns;
|
---|
| 983 | PVIRTIOSCSI pThis = PDMDEVINS_2_DATA(pDevIns, PVIRTIOSCSI);
|
---|
| 984 | PVIRTIOSCSICC pThisCC = PDMDEVINS_2_DATA_CC(pDevIns, PVIRTIOSCSICC);
|
---|
| 985 | PPDMIMEDIAEX pIMediaEx = pTarget->pDrvMediaEx;
|
---|
| 986 | PVIRTIOSCSIREQ pReq = (PVIRTIOSCSIREQ)pvIoReqAlloc;
|
---|
[80657] | 987 |
|
---|
[80928] | 988 | size_t cbResidual = 0;
|
---|
[80657] | 989 | int rc = pIMediaEx->pfnIoReqQueryResidual(pIMediaEx, hIoReq, &cbResidual);
|
---|
[80528] | 990 | AssertRC(rc);
|
---|
[80383] | 991 |
|
---|
[81015] | 992 | size_t cbXfer = 0;
|
---|
[80657] | 993 | rc = pIMediaEx->pfnIoReqQueryXferSize(pIMediaEx, hIoReq, &cbXfer);
|
---|
[80528] | 994 | AssertRC(rc);
|
---|
| 995 |
|
---|
[82183] | 996 | /* Masking deals with data type size discrepancies between
|
---|
| 997 | * The APIs (virtio and VBox). Windows C-compiler complains otherwise */
|
---|
[81015] | 998 | Assert(!(cbXfer & 0xffffffff00000000));
|
---|
| 999 | uint32_t cbXfer32 = cbXfer & 0xffffffff;
|
---|
[81634] | 1000 | REQ_RESP_HDR_T respHdr = { 0 };
|
---|
| 1001 | respHdr.cbSenseLen = pReq->pbSense[2] == SCSI_SENSE_NONE ? 0 : (uint32_t)pReq->cbSenseLen;
|
---|
[80928] | 1002 | AssertMsg(!(cbResidual & 0xffffffff00000000),
|
---|
[80931] | 1003 | ("WARNING: Residual size larger than sizeof(uint32_t), truncating"));
|
---|
[80928] | 1004 | respHdr.uResidual = (uint32_t)(cbResidual & 0xffffffff);
|
---|
[80527] | 1005 | respHdr.uStatus = pReq->uStatus;
|
---|
[80383] | 1006 |
|
---|
[80718] | 1007 | /* VirtIO 1.0 spec 5.6.6.1.1 says device MUST return a VirtIO response byte value.
|
---|
[80575] | 1008 | * Some are returned during the submit phase, and a few are not mapped at all,
|
---|
[80657] | 1009 | * wherein anything that can't map specifically gets mapped to VIRTIOSCSI_S_FAILURE
|
---|
| 1010 | */
|
---|
| 1011 | if (pThis->fResetting)
|
---|
| 1012 | respHdr.uResponse = VIRTIOSCSI_S_RESET;
|
---|
| 1013 | else
|
---|
[80575] | 1014 | {
|
---|
[81634] | 1015 | switch (rcReq)
|
---|
[80657] | 1016 | {
|
---|
| 1017 | case SCSI_STATUS_OK:
|
---|
[81021] | 1018 | {
|
---|
[80657] | 1019 | if (pReq->uStatus != SCSI_STATUS_CHECK_CONDITION)
|
---|
| 1020 | respHdr.uResponse = VIRTIOSCSI_S_OK;
|
---|
[81628] | 1021 | else
|
---|
[81634] | 1022 | virtioScsiR3SenseKeyToVirtioResp(&respHdr, pReq->pbSense[2]);
|
---|
[81021] | 1023 | break;
|
---|
| 1024 | }
|
---|
[80657] | 1025 | case SCSI_STATUS_CHECK_CONDITION:
|
---|
[81634] | 1026 | virtioScsiR3SenseKeyToVirtioResp(&respHdr, pReq->pbSense[2]);
|
---|
[80657] | 1027 | break;
|
---|
[80437] | 1028 |
|
---|
[80657] | 1029 | default:
|
---|
| 1030 | respHdr.uResponse = VIRTIOSCSI_S_FAILURE;
|
---|
| 1031 | break;
|
---|
| 1032 | }
|
---|
[80575] | 1033 | }
|
---|
| 1034 |
|
---|
[81636] | 1035 | Log2Func(("status: (%d) %s, response: (%d) %s\n", pReq->uStatus, SCSIStatusText(pReq->uStatus),
|
---|
| 1036 | respHdr.uResponse, virtioGetReqRespText(respHdr.uResponse)));
|
---|
[80575] | 1037 |
|
---|
| 1038 | if (RT_FAILURE(rcReq))
|
---|
[84003] | 1039 | Log2Func(("rcReq: %Rrc\n", rcReq));
|
---|
[80575] | 1040 |
|
---|
[80596] | 1041 | if (LogIs3Enabled())
|
---|
| 1042 | {
|
---|
| 1043 | LogFunc(("cbDataIn = %u, cbDataOut = %u (cbIn = %u, cbOut = %u)\n",
|
---|
[84819] | 1044 | pReq->cbDataIn, pReq->cbDataOut, pReq->pVirtqBuf->cbPhysReturn, pReq->pVirtqBuf->cbPhysSend));
|
---|
[80928] | 1045 | LogFunc(("xfer = %lu, residual = %u\n", cbXfer, cbResidual));
|
---|
[80596] | 1046 | LogFunc(("xfer direction: %s, sense written = %d, sense size = %d\n",
|
---|
[81636] | 1047 | virtioGetTxDirText(pReq->enmTxDir), respHdr.cbSenseLen, pThis->virtioScsiConfig.uSenseSize));
|
---|
[80596] | 1048 | }
|
---|
[80571] | 1049 |
|
---|
[81634] | 1050 | if (respHdr.cbSenseLen && LogIs2Enabled())
|
---|
[80522] | 1051 | {
|
---|
[80596] | 1052 | LogFunc(("Sense: %s\n", SCSISenseText(pReq->pbSense[2])));
|
---|
| 1053 | LogFunc(("Sense Ext3: %s\n", SCSISenseExtText(pReq->pbSense[12], pReq->pbSense[13])));
|
---|
[80522] | 1054 | }
|
---|
[80437] | 1055 |
|
---|
[81634] | 1056 | if ( (VIRTIO_IS_IN_DIRECTION(pReq->enmTxDir) && cbXfer32 > pReq->cbDataIn)
|
---|
| 1057 | || (VIRTIO_IS_OUT_DIRECTION(pReq->enmTxDir) && cbXfer32 > pReq->cbDataOut))
|
---|
[80596] | 1058 | {
|
---|
| 1059 | Log2Func((" * * * * Data overrun, returning sense\n"));
|
---|
| 1060 | uint8_t abSense[] = { RT_BIT(7) | SCSI_SENSE_RESPONSE_CODE_CURR_FIXED,
|
---|
| 1061 | 0, SCSI_SENSE_ILLEGAL_REQUEST, 0, 0, 0, 0, 10, 0, 0, 0 };
|
---|
[81634] | 1062 | respHdr.cbSenseLen = sizeof(abSense);
|
---|
| 1063 | respHdr.uStatus = SCSI_STATUS_CHECK_CONDITION;
|
---|
| 1064 | respHdr.uResponse = VIRTIOSCSI_S_OVERRUN;
|
---|
[84389] | 1065 | respHdr.uResidual = pReq->cbDataIn & UINT32_MAX;
|
---|
[80762] | 1066 |
|
---|
[97402] | 1067 | virtioScsiR3ReqErr(pDevIns, pThis, pReq->uVirtqNbr, pReq->pVirtqBuf, &respHdr, abSense,
|
---|
[83567] | 1068 | RT_MIN(pThis->virtioScsiConfig.uSenseSize, VIRTIOSCSI_SENSE_SIZE_MAX));
|
---|
[80596] | 1069 | }
|
---|
| 1070 | else
|
---|
| 1071 | {
|
---|
| 1072 | Assert(pReq->pbSense != NULL);
|
---|
[80575] | 1073 |
|
---|
[81300] | 1074 | /* req datain bytes already in guest phys mem. via virtioScsiIoReqCopyFromBuf() */
|
---|
[83569] | 1075 | RTSGSEG aReqSegs[2];
|
---|
[81300] | 1076 |
|
---|
[83570] | 1077 | aReqSegs[0].pvSeg = &respHdr;
|
---|
| 1078 | aReqSegs[0].cbSeg = sizeof(respHdr);
|
---|
[81838] | 1079 |
|
---|
[83570] | 1080 | aReqSegs[1].pvSeg = pReq->pbSense;
|
---|
| 1081 | aReqSegs[1].cbSeg = pReq->cbSenseAlloc; /* VirtIO 1.0 spec 5.6.4/5.6.6.1 */
|
---|
[80437] | 1082 |
|
---|
[83570] | 1083 | RTSGBUF ReqSgBuf;
|
---|
| 1084 | RTSgBufInit(&ReqSgBuf, aReqSegs, RT_ELEMENTS(aReqSegs));
|
---|
[80571] | 1085 |
|
---|
[83569] | 1086 | size_t cbReqSgBuf = RTSgBufCalcTotalLength(&ReqSgBuf);
|
---|
| 1087 | /** @todo r=bird: Returning here looks a little bogus... */
|
---|
[84819] | 1088 | AssertMsgReturn(cbReqSgBuf <= pReq->pVirtqBuf->cbPhysReturn,
|
---|
[83569] | 1089 | ("Guest expected less req data (space needed: %zu, avail: %u)\n",
|
---|
[84819] | 1090 | cbReqSgBuf, pReq->pVirtqBuf->cbPhysReturn),
|
---|
[83569] | 1091 | VERR_BUFFER_OVERFLOW);
|
---|
[80437] | 1092 |
|
---|
[98661] | 1093 | virtioScsiR3VirtqUsedBufPutAndSync(pDevIns, &pThis->Virtio, pReq->uVirtqNbr, &ReqSgBuf, pReq->pVirtqBuf);
|
---|
[80718] | 1094 | Log2(("-----------------------------------------------------------------------------------------\n"));
|
---|
[80596] | 1095 | }
|
---|
[80437] | 1096 |
|
---|
[81634] | 1097 | virtioScsiR3FreeReq(pTarget, pReq);
|
---|
[97400] | 1098 | virtioScsiR3Release(pDevIns, pThis, pThisCC);
|
---|
[83569] | 1099 | return rc;
|
---|
[80437] | 1100 | }
|
---|
| 1101 |
|
---|
[81300] | 1102 | /**
|
---|
| 1103 | * @interface_method_impl{PDMIMEDIAEXPORT,pfnIoReqCopyFromBuf}
|
---|
[84803] | 1104 |
|
---|
[81300] | 1105 | * Copy virtual memory from VSCSI layer to guest physical memory
|
---|
| 1106 | */
|
---|
[81634] | 1107 | static DECLCALLBACK(int) virtioScsiR3IoReqCopyFromBuf(PPDMIMEDIAEXPORT pInterface, PDMMEDIAEXIOREQ hIoReq,
|
---|
[81300] | 1108 | void *pvIoReqAlloc, uint32_t offDst, PRTSGBUF pSgBuf, size_t cbCopy)
|
---|
| 1109 | {
|
---|
[81675] | 1110 | PVIRTIOSCSITARGET pTarget = RT_FROM_MEMBER(pInterface, VIRTIOSCSITARGET, IMediaExPort);
|
---|
| 1111 | PPDMDEVINS pDevIns = pTarget->pDevIns;
|
---|
| 1112 | PVIRTIOSCSIREQ pReq = (PVIRTIOSCSIREQ)pvIoReqAlloc;
|
---|
[81300] | 1113 | RT_NOREF(hIoReq, cbCopy);
|
---|
[81302] | 1114 |
|
---|
| 1115 | if (!pReq->cbDataIn)
|
---|
| 1116 | return VINF_SUCCESS;
|
---|
| 1117 |
|
---|
[84819] | 1118 | AssertReturn(pReq->pVirtqBuf, VERR_INVALID_PARAMETER);
|
---|
[81300] | 1119 |
|
---|
[84819] | 1120 | PVIRTIOSGBUF pSgPhysReturn = pReq->pVirtqBuf->pSgPhysReturn;
|
---|
[84876] | 1121 | virtioCoreGCPhysChainAdvance(pSgPhysReturn, offDst);
|
---|
[81300] | 1122 |
|
---|
| 1123 | size_t cbCopied = 0;
|
---|
| 1124 | size_t cbRemain = pReq->cbDataIn;
|
---|
| 1125 |
|
---|
[83574] | 1126 | /* Skip past the REQ_RESP_HDR_T and sense code if we're at the start of the buffer. */
|
---|
[81300] | 1127 | if (!pSgPhysReturn->idxSeg && pSgPhysReturn->cbSegLeft == pSgPhysReturn->paSegs[0].cbSeg)
|
---|
[84876] | 1128 | virtioCoreGCPhysChainAdvance(pSgPhysReturn, pReq->uDataInOff);
|
---|
[81300] | 1129 |
|
---|
| 1130 | while (cbRemain)
|
---|
| 1131 | {
|
---|
[83913] | 1132 | cbCopied = RT_MIN(pSgBuf->cbSegLeft, pSgPhysReturn->cbSegLeft);
|
---|
[83574] | 1133 | Assert(cbCopied > 0);
|
---|
[84774] | 1134 | PDMDevHlpPCIPhysWriteUser(pDevIns, pSgPhysReturn->GCPhysCur, pSgBuf->pvSegCur, cbCopied);
|
---|
[81300] | 1135 | RTSgBufAdvance(pSgBuf, cbCopied);
|
---|
[84876] | 1136 | virtioCoreGCPhysChainAdvance(pSgPhysReturn, cbCopied);
|
---|
[81300] | 1137 | cbRemain -= cbCopied;
|
---|
| 1138 | }
|
---|
| 1139 | RT_UNTRUSTED_NONVOLATILE_COPY_FENCE(); /* needed? */
|
---|
| 1140 |
|
---|
[82559] | 1141 | Log3Func((".... Copied %lu bytes from %lu byte guest buffer, residual=%lu\n",
|
---|
[84819] | 1142 | cbCopy, pReq->pVirtqBuf->cbPhysReturn, pReq->pVirtqBuf->cbPhysReturn - cbCopy));
|
---|
[81300] | 1143 |
|
---|
| 1144 | return VINF_SUCCESS;
|
---|
| 1145 | }
|
---|
| 1146 |
|
---|
| 1147 | /**
|
---|
| 1148 | * @interface_method_impl{PDMIMEDIAEXPORT,pfnIoReqCopyToBuf}
|
---|
| 1149 | *
|
---|
| 1150 | * Copy guest physical memory to VSCSI layer virtual memory
|
---|
| 1151 | */
|
---|
[81634] | 1152 | static DECLCALLBACK(int) virtioScsiR3IoReqCopyToBuf(PPDMIMEDIAEXPORT pInterface, PDMMEDIAEXIOREQ hIoReq,
|
---|
[81300] | 1153 | void *pvIoReqAlloc, uint32_t offSrc, PRTSGBUF pSgBuf, size_t cbCopy)
|
---|
| 1154 | {
|
---|
[81675] | 1155 | PVIRTIOSCSITARGET pTarget = RT_FROM_MEMBER(pInterface, VIRTIOSCSITARGET, IMediaExPort);
|
---|
| 1156 | PPDMDEVINS pDevIns = pTarget->pDevIns;
|
---|
| 1157 | PVIRTIOSCSIREQ pReq = (PVIRTIOSCSIREQ)pvIoReqAlloc;
|
---|
[81300] | 1158 | RT_NOREF(hIoReq, cbCopy);
|
---|
[81302] | 1159 |
|
---|
[81300] | 1160 | if (!pReq->cbDataOut)
|
---|
| 1161 | return VINF_SUCCESS;
|
---|
| 1162 |
|
---|
[84819] | 1163 | PVIRTIOSGBUF pSgPhysSend = pReq->pVirtqBuf->pSgPhysSend;
|
---|
[84876] | 1164 | virtioCoreGCPhysChainAdvance(pSgPhysSend, offSrc);
|
---|
[81300] | 1165 |
|
---|
| 1166 | size_t cbCopied = 0;
|
---|
| 1167 | size_t cbRemain = pReq->cbDataOut;
|
---|
| 1168 | while (cbRemain)
|
---|
| 1169 | {
|
---|
[83913] | 1170 | cbCopied = RT_MIN(pSgBuf->cbSegLeft, pSgPhysSend->cbSegLeft);
|
---|
[83574] | 1171 | Assert(cbCopied > 0);
|
---|
[84774] | 1172 | PDMDevHlpPCIPhysReadUser(pDevIns, pSgPhysSend->GCPhysCur, pSgBuf->pvSegCur, cbCopied);
|
---|
[81300] | 1173 | RTSgBufAdvance(pSgBuf, cbCopied);
|
---|
[84876] | 1174 | virtioCoreGCPhysChainAdvance(pSgPhysSend, cbCopied);
|
---|
[81300] | 1175 | cbRemain -= cbCopied;
|
---|
| 1176 | }
|
---|
| 1177 |
|
---|
| 1178 | Log2Func((".... Copied %lu bytes to %lu byte guest buffer, residual=%lu\n",
|
---|
[84819] | 1179 | cbCopy, pReq->pVirtqBuf->cbPhysReturn, pReq->pVirtqBuf->cbPhysReturn - cbCopy));
|
---|
[81300] | 1180 |
|
---|
| 1181 | return VINF_SUCCESS;
|
---|
| 1182 | }
|
---|
| 1183 |
|
---|
[81634] | 1184 | /**
|
---|
| 1185 | * Handles request queues for/on a worker thread.
|
---|
| 1186 | *
|
---|
| 1187 | * @returns VBox status code (logged by caller).
|
---|
| 1188 | */
|
---|
[81675] | 1189 | static int virtioScsiR3ReqSubmit(PPDMDEVINS pDevIns, PVIRTIOSCSI pThis, PVIRTIOSCSICC pThisCC,
|
---|
[84819] | 1190 | uint16_t uVirtqNbr, PVIRTQBUF pVirtqBuf)
|
---|
[81634] | 1191 | {
|
---|
| 1192 | /*
|
---|
[83566] | 1193 | * Validate configuration values we use here before we start.
|
---|
| 1194 | */
|
---|
[83568] | 1195 | uint32_t const cbCdb = pThis->virtioScsiConfig.uCdbSize;
|
---|
| 1196 | uint32_t const cbSenseCfg = pThis->virtioScsiConfig.uSenseSize;
|
---|
[83566] | 1197 | /** @todo Report these as errors to the guest or does the caller do that? */
|
---|
| 1198 | ASSERT_GUEST_LOGREL_MSG_RETURN(cbCdb <= VIRTIOSCSI_CDB_SIZE_MAX, ("cbCdb=%#x\n", cbCdb), VERR_OUT_OF_RANGE);
|
---|
[83568] | 1199 | ASSERT_GUEST_LOGREL_MSG_RETURN(cbSenseCfg <= VIRTIOSCSI_SENSE_SIZE_MAX, ("cbSenseCfg=%#x\n", cbSenseCfg), VERR_OUT_OF_RANGE);
|
---|
[83566] | 1200 |
|
---|
| 1201 | /*
|
---|
[81634] | 1202 | * Extract command header and CDB from guest physical memory
|
---|
[83566] | 1203 | * The max size is rather small here (19 + 255 = 274), so put
|
---|
| 1204 | * it on the stack.
|
---|
[81634] | 1205 | */
|
---|
[83566] | 1206 | size_t const cbReqHdr = sizeof(REQ_CMD_HDR_T) + cbCdb;
|
---|
[91703] | 1207 | AssertReturn(pVirtqBuf && pVirtqBuf->cbPhysSend >= cbReqHdr, VERR_INVALID_PARAMETER);
|
---|
[81814] | 1208 |
|
---|
[83566] | 1209 | AssertCompile(VIRTIOSCSI_CDB_SIZE_MAX < 4096);
|
---|
| 1210 | union
|
---|
[81300] | 1211 | {
|
---|
[83577] | 1212 | RT_GCC_EXTENSION struct
|
---|
[83566] | 1213 | {
|
---|
| 1214 | REQ_CMD_HDR_T ReqHdr;
|
---|
| 1215 | uint8_t abCdb[VIRTIOSCSI_CDB_SIZE_MAX];
|
---|
[83577] | 1216 | } ;
|
---|
[83566] | 1217 | uint8_t ab[sizeof(REQ_CMD_HDR_T) + VIRTIOSCSI_CDB_SIZE_MAX];
|
---|
| 1218 | uint64_t au64Align[(sizeof(REQ_CMD_HDR_T) + VIRTIOSCSI_CDB_SIZE_MAX) / sizeof(uint64_t)];
|
---|
| 1219 | } VirtqReq;
|
---|
| 1220 | RT_ZERO(VirtqReq);
|
---|
| 1221 |
|
---|
| 1222 | for (size_t offReq = 0; offReq < cbReqHdr; )
|
---|
| 1223 | {
|
---|
| 1224 | size_t cbSeg = cbReqHdr - offReq;
|
---|
[85016] | 1225 | RTGCPHYS GCPhys = virtioCoreGCPhysChainGetNextSeg(pVirtqBuf->pSgPhysSend, &cbSeg);
|
---|
[84504] | 1226 | PDMDevHlpPCIPhysReadMeta(pDevIns, GCPhys, &VirtqReq.ab[offReq], cbSeg);
|
---|
[83566] | 1227 | offReq += cbSeg;
|
---|
[81300] | 1228 | }
|
---|
| 1229 |
|
---|
[83566] | 1230 | uint8_t const uType = VirtqReq.ReqHdr.abVirtioLun[0];
|
---|
| 1231 | uint8_t const uTarget = VirtqReq.ReqHdr.abVirtioLun[1];
|
---|
| 1232 | uint32_t uScsiLun = RT_MAKE_U16(VirtqReq.ReqHdr.abVirtioLun[3], VirtqReq.ReqHdr.abVirtioLun[2]) & 0x3fff;
|
---|
[80527] | 1233 |
|
---|
[81814] | 1234 | bool fBadLUNFormat = false;
|
---|
| 1235 | if (uType == 0xc1 && uTarget == 0x01)
|
---|
| 1236 | {
|
---|
[84803] | 1237 | LogRel(("* * * WARNING: REPORT LUNS LU ACCESSED. FEATURE NOT IMPLEMENTED SEE DevVirtioScsi.cpp * * * "));
|
---|
[83565] | 1238 | /* Force rejection. */ /** @todo figure out right way to handle. Note this is a very
|
---|
[83913] | 1239 | * vague and confusing part of the VirtIO spec (which deviates from the SCSI standard).
|
---|
| 1240 | * I have not been able to determine how to implement this properly. I've checked the
|
---|
[84803] | 1241 | * source code of Guest drivers, and so far none seem to use it. If this message is logged,
|
---|
| 1242 | * meaning a guest expects this feature, implementing it can be re-visited */
|
---|
[82183] | 1243 | uScsiLun = 0xff;
|
---|
[81814] | 1244 | }
|
---|
| 1245 | else
|
---|
| 1246 | if (uType != 1)
|
---|
| 1247 | fBadLUNFormat = true;
|
---|
| 1248 |
|
---|
[80528] | 1249 | LogFunc(("[%s] (Target: %d LUN: %d) CDB: %.*Rhxs\n",
|
---|
[83566] | 1250 | SCSICmdText(VirtqReq.abCdb[0]), uTarget, uScsiLun,
|
---|
| 1251 | virtioScsiEstimateCdbLen(VirtqReq.abCdb[0], cbCdb), &VirtqReq.abCdb[0]));
|
---|
[80501] | 1252 |
|
---|
[81300] | 1253 | Log3Func(("cmd id: %RX64, attr: %x, prio: %d, crn: %x\n",
|
---|
[83566] | 1254 | VirtqReq.ReqHdr.uId, VirtqReq.ReqHdr.uTaskAttr, VirtqReq.ReqHdr.uPrio, VirtqReq.ReqHdr.uCrn));
|
---|
[80522] | 1255 |
|
---|
[80718] | 1256 | /*
|
---|
[83566] | 1257 | * Calculate request offsets and data sizes.
|
---|
[80571] | 1258 | */
|
---|
[83566] | 1259 | uint32_t const offDataOut = sizeof(REQ_CMD_HDR_T) + cbCdb;
|
---|
[83568] | 1260 | uint32_t const offDataIn = sizeof(REQ_RESP_HDR_T) + cbSenseCfg;
|
---|
[84819] | 1261 | size_t const cbDataOut = pVirtqBuf->cbPhysSend - offDataOut;
|
---|
[83566] | 1262 | /** @todo r=bird: Validate cbPhysReturn properly? I've just RT_MAX'ed it for now. */
|
---|
[84819] | 1263 | size_t const cbDataIn = RT_MAX(pVirtqBuf->cbPhysReturn, offDataIn) - offDataIn;
|
---|
[83566] | 1264 | Assert(offDataOut <= UINT16_MAX);
|
---|
| 1265 | Assert(offDataIn <= UINT16_MAX);
|
---|
[81675] | 1266 |
|
---|
[81634] | 1267 | /*
|
---|
[80657] | 1268 | * Handle submission errors
|
---|
| 1269 | */
|
---|
[82145] | 1270 | if (RT_LIKELY(!fBadLUNFormat))
|
---|
[81814] | 1271 | { /* likely */ }
|
---|
| 1272 | else
|
---|
| 1273 | {
|
---|
[82145] | 1274 | Log2Func(("Error submitting request, bad LUN format\n"));
|
---|
[97402] | 1275 | return virtioScsiR3ReqErr4(pDevIns, pThis, uVirtqNbr, pVirtqBuf, cbDataIn + cbDataOut, 0 /*bStatus*/,
|
---|
[83568] | 1276 | VIRTIOSCSI_S_FAILURE, NULL /*pbSense*/, 0 /*cbSense*/, cbSenseCfg);
|
---|
[81814] | 1277 | }
|
---|
| 1278 |
|
---|
[83568] | 1279 | PVIRTIOSCSITARGET const pTarget = &pThisCC->paTargetInstances[uTarget];
|
---|
[82183] | 1280 | if (RT_LIKELY( uTarget < pThis->cTargets
|
---|
[83568] | 1281 | && pTarget->fPresent
|
---|
| 1282 | && pTarget->pDrvMediaEx))
|
---|
[81675] | 1283 | { /* likely */ }
|
---|
| 1284 | else
|
---|
[80657] | 1285 | {
|
---|
[82145] | 1286 | Log2Func(("Error submitting request to bad target (%d) or bad LUN (%d)\n", uTarget, uScsiLun));
|
---|
| 1287 | uint8_t abSense[] = { RT_BIT(7) | SCSI_SENSE_RESPONSE_CODE_CURR_FIXED,
|
---|
| 1288 | 0, SCSI_SENSE_ILLEGAL_REQUEST,
|
---|
| 1289 | 0, 0, 0, 0, 10, SCSI_ASC_LOGICAL_UNIT_NOT_SUPPORTED, 0, 0 };
|
---|
[97402] | 1290 | return virtioScsiR3ReqErr4(pDevIns, pThis, uVirtqNbr, pVirtqBuf, cbDataIn + cbDataOut, SCSI_STATUS_CHECK_CONDITION,
|
---|
[83568] | 1291 | VIRTIOSCSI_S_BAD_TARGET, abSense, sizeof(abSense), cbSenseCfg);
|
---|
[80657] | 1292 | }
|
---|
[81814] | 1293 | if (RT_LIKELY(uScsiLun == 0))
|
---|
| 1294 | { /* likely */ }
|
---|
| 1295 | else
|
---|
[80527] | 1296 | {
|
---|
[81368] | 1297 | Log2Func(("Error submitting request to bad target (%d) or bad LUN (%d)\n", uTarget, uScsiLun));
|
---|
[80571] | 1298 | uint8_t abSense[] = { RT_BIT(7) | SCSI_SENSE_RESPONSE_CODE_CURR_FIXED,
|
---|
[81368] | 1299 | 0, SCSI_SENSE_ILLEGAL_REQUEST,
|
---|
| 1300 | 0, 0, 0, 0, 10, SCSI_ASC_LOGICAL_UNIT_NOT_SUPPORTED, 0, 0 };
|
---|
[97402] | 1301 | return virtioScsiR3ReqErr4(pDevIns, pThis, uVirtqNbr, pVirtqBuf, cbDataIn + cbDataOut, SCSI_STATUS_CHECK_CONDITION,
|
---|
[83568] | 1302 | VIRTIOSCSI_S_OK, abSense, sizeof(abSense), cbSenseCfg);
|
---|
[80527] | 1303 | }
|
---|
[82145] | 1304 | if (RT_LIKELY(!pThis->fResetting))
|
---|
| 1305 | { /* likely */ }
|
---|
| 1306 | else
|
---|
| 1307 | {
|
---|
| 1308 | Log2Func(("Aborting req submission because reset is in progress\n"));
|
---|
[97402] | 1309 | return virtioScsiR3ReqErr4(pDevIns, pThis, uVirtqNbr, pVirtqBuf, cbDataIn + cbDataOut, SCSI_STATUS_OK,
|
---|
[83568] | 1310 | VIRTIOSCSI_S_RESET, NULL /*pbSense*/, 0 /*cbSense*/, cbSenseCfg);
|
---|
[82145] | 1311 | }
|
---|
[81675] | 1312 |
|
---|
[88827] | 1313 | #if 0
|
---|
[81814] | 1314 | if (RT_LIKELY(!cbDataIn || !cbDataOut || pThis->fHasInOutBufs)) /* VirtIO 1.0, 5.6.6.1.1 */
|
---|
| 1315 | { /* likely */ }
|
---|
| 1316 | else
|
---|
[81122] | 1317 | {
|
---|
| 1318 | Log2Func(("Error submitting request, got datain & dataout bufs w/o INOUT feature negotated\n"));
|
---|
| 1319 | uint8_t abSense[] = { RT_BIT(7) | SCSI_SENSE_RESPONSE_CODE_CURR_FIXED,
|
---|
| 1320 | 0, SCSI_SENSE_ILLEGAL_REQUEST, 0, 0, 0, 0, 10, 0, 0, 0 };
|
---|
[97402] | 1321 | return virtioScsiR3ReqErr4(pDevIns, pThis, uVirtqNbr, pVirtqBuf, cbDataIn + cbDataOut, SCSI_STATUS_CHECK_CONDITION,
|
---|
[83568] | 1322 | VIRTIOSCSI_S_FAILURE, abSense, sizeof(abSense), cbSenseCfg);
|
---|
[81122] | 1323 | }
|
---|
[88827] | 1324 | #endif
|
---|
[80718] | 1325 | /*
|
---|
[80657] | 1326 | * Have underlying driver allocate a req of size set during initialization of this device.
|
---|
| 1327 | */
|
---|
[97400] | 1328 | virtioScsiR3Retain(pThis);
|
---|
| 1329 |
|
---|
[83568] | 1330 | PDMMEDIAEXIOREQ hIoReq = NULL;
|
---|
| 1331 | PVIRTIOSCSIREQ pReq = NULL;
|
---|
| 1332 | PPDMIMEDIAEX pIMediaEx = pTarget->pDrvMediaEx;
|
---|
[80437] | 1333 |
|
---|
[80571] | 1334 | int rc = pIMediaEx->pfnIoReqAlloc(pIMediaEx, &hIoReq, (void **)&pReq, 0 /* uIoReqId */,
|
---|
[81634] | 1335 | PDMIMEDIAEX_F_SUSPEND_ON_RECOVERABLE_ERR);
|
---|
[80437] | 1336 |
|
---|
[97400] | 1337 | if (RT_FAILURE(rc))
|
---|
| 1338 | {
|
---|
| 1339 | virtioScsiR3Release(pDevIns, pThis, pThisCC);
|
---|
| 1340 | return rc;
|
---|
| 1341 | }
|
---|
[80437] | 1342 |
|
---|
[81300] | 1343 | pReq->hIoReq = hIoReq;
|
---|
| 1344 | pReq->pTarget = pTarget;
|
---|
[85025] | 1345 | pReq->uVirtqNbr = uVirtqNbr;
|
---|
[81300] | 1346 | pReq->cbDataIn = cbDataIn;
|
---|
| 1347 | pReq->cbDataOut = cbDataOut;
|
---|
[85025] | 1348 | pReq->pVirtqBuf = pVirtqBuf;
|
---|
[84819] | 1349 | virtioCoreR3VirtqBufRetain(pVirtqBuf); /* (For pReq->pVirtqBuf. Released by virtioScsiR3FreeReq.) */
|
---|
[83566] | 1350 | pReq->uDataInOff = offDataIn;
|
---|
| 1351 | pReq->uDataOutOff = offDataOut;
|
---|
[80528] | 1352 |
|
---|
[83568] | 1353 | pReq->cbSenseAlloc = cbSenseCfg;
|
---|
[81634] | 1354 | pReq->pbSense = (uint8_t *)RTMemAllocZ(pReq->cbSenseAlloc);
|
---|
| 1355 | AssertMsgReturnStmt(pReq->pbSense, ("Out of memory allocating sense buffer"),
|
---|
[83566] | 1356 | virtioScsiR3FreeReq(pTarget, pReq);, VERR_NO_MEMORY);
|
---|
[80437] | 1357 |
|
---|
[81300] | 1358 | /* Note: DrvSCSI allocates one virtual memory buffer for input and output phases of the request */
|
---|
[80762] | 1359 | rc = pIMediaEx->pfnIoReqSendScsiCmd(pIMediaEx, pReq->hIoReq, uScsiLun,
|
---|
[83566] | 1360 | &VirtqReq.abCdb[0], cbCdb,
|
---|
[80615] | 1361 | PDMMEDIAEXIOREQSCSITXDIR_UNKNOWN, &pReq->enmTxDir,
|
---|
[81634] | 1362 | RT_MAX(cbDataIn, cbDataOut),
|
---|
| 1363 | pReq->pbSense, pReq->cbSenseAlloc, &pReq->cbSenseLen,
|
---|
| 1364 | &pReq->uStatus, RT_MS_30SEC);
|
---|
[80437] | 1365 |
|
---|
[80571] | 1366 | if (rc != VINF_PDM_MEDIAEX_IOREQ_IN_PROGRESS)
|
---|
| 1367 | {
|
---|
[80718] | 1368 | /*
|
---|
[80657] | 1369 | * Getting here means the request failed in early in the submission to the lower level driver,
|
---|
| 1370 | * and there will be no callback to the finished/completion function for this request
|
---|
[80571] | 1371 | */
|
---|
[81634] | 1372 | Assert(RT_FAILURE_NP(rc));
|
---|
[84803] | 1373 | Log2Func(("Request-submission error from lower-level driver\n"));
|
---|
[80571] | 1374 | uint8_t uASC, uASCQ = 0;
|
---|
| 1375 | switch (rc)
|
---|
[80501] | 1376 | {
|
---|
[80571] | 1377 | case VERR_NO_MEMORY:
|
---|
| 1378 | uASC = SCSI_ASC_SYSTEM_RESOURCE_FAILURE;
|
---|
| 1379 | break;
|
---|
| 1380 | default:
|
---|
| 1381 | uASC = SCSI_ASC_INTERNAL_TARGET_FAILURE;
|
---|
| 1382 | break;
|
---|
[80501] | 1383 | }
|
---|
[80571] | 1384 | uint8_t abSense[] = { RT_BIT(7) | SCSI_SENSE_RESPONSE_CODE_CURR_FIXED,
|
---|
| 1385 | 0, SCSI_SENSE_VENDOR_SPECIFIC,
|
---|
| 1386 | 0, 0, 0, 0, 10, uASC, uASCQ, 0 };
|
---|
[81634] | 1387 | REQ_RESP_HDR_T respHdr = { 0 };
|
---|
| 1388 | respHdr.cbSenseLen = sizeof(abSense);
|
---|
| 1389 | respHdr.uStatus = SCSI_STATUS_CHECK_CONDITION;
|
---|
| 1390 | respHdr.uResponse = VIRTIOSCSI_S_FAILURE;
|
---|
[84391] | 1391 | respHdr.uResidual = (cbDataIn + cbDataOut) & UINT32_MAX;
|
---|
[97402] | 1392 | virtioScsiR3ReqErr(pDevIns, pThis, uVirtqNbr, pVirtqBuf, &respHdr, abSense, cbSenseCfg);
|
---|
[81634] | 1393 | virtioScsiR3FreeReq(pTarget, pReq);
|
---|
[97400] | 1394 | virtioScsiR3Release(pDevIns, pThis, pThisCC);
|
---|
[80437] | 1395 | }
|
---|
[80383] | 1396 | return VINF_SUCCESS;
|
---|
[80340] | 1397 | }
|
---|
| 1398 |
|
---|
[81634] | 1399 | /**
|
---|
| 1400 | * Handles control transfers for/on a worker thread.
|
---|
| 1401 | *
|
---|
| 1402 | * @returns VBox status code (ignored by the caller).
|
---|
[81675] | 1403 | * @param pDevIns The device instance.
|
---|
| 1404 | * @param pThis VirtIO SCSI shared instance data.
|
---|
| 1405 | * @param pThisCC VirtIO SCSI ring-3 instance data.
|
---|
[84819] | 1406 | * @param uVirtqNbr CONTROLQ_IDX
|
---|
| 1407 | * @param pVirtqBuf Descriptor chain to process.
|
---|
[81634] | 1408 | */
|
---|
[81675] | 1409 | static int virtioScsiR3Ctrl(PPDMDEVINS pDevIns, PVIRTIOSCSI pThis, PVIRTIOSCSICC pThisCC,
|
---|
[84819] | 1410 | uint16_t uVirtqNbr, PVIRTQBUF pVirtqBuf)
|
---|
[80340] | 1411 | {
|
---|
[84819] | 1412 | AssertReturn(pVirtqBuf->cbPhysSend >= RT_MIN(sizeof(VIRTIOSCSI_CTRL_AN_T),
|
---|
[81814] | 1413 | sizeof(VIRTIOSCSI_CTRL_TMF_T)), 0);
|
---|
| 1414 |
|
---|
[81634] | 1415 | /*
|
---|
[81814] | 1416 | * Allocate buffer and read in the control command
|
---|
[81634] | 1417 | */
|
---|
[83571] | 1418 | VIRTIO_SCSI_CTRL_UNION_T ScsiCtrlUnion;
|
---|
| 1419 | RT_ZERO(ScsiCtrlUnion);
|
---|
[80340] | 1420 |
|
---|
[85016] | 1421 | size_t const cb = RT_MIN(pVirtqBuf->cbPhysSend, sizeof(VIRTIO_SCSI_CTRL_UNION_T));
|
---|
| 1422 | for (size_t uOffset = 0; uOffset < cb; )
|
---|
[81300] | 1423 | {
|
---|
[85016] | 1424 | size_t cbSeg = cb - uOffset;
|
---|
| 1425 | RTGCPHYS GCPhys = virtioCoreGCPhysChainGetNextSeg(pVirtqBuf->pSgPhysSend, &cbSeg);
|
---|
| 1426 | PDMDevHlpPCIPhysReadMeta(pDevIns, GCPhys, &ScsiCtrlUnion.ab[uOffset], cbSeg);
|
---|
| 1427 | uOffset += cbSeg;
|
---|
[81300] | 1428 | }
|
---|
| 1429 |
|
---|
[83572] | 1430 | AssertReturn( (ScsiCtrlUnion.Type.uType == VIRTIOSCSI_T_TMF
|
---|
[84819] | 1431 | && pVirtqBuf->cbPhysSend >= sizeof(VIRTIOSCSI_CTRL_TMF_T))
|
---|
[83572] | 1432 | || ( ( ScsiCtrlUnion.Type.uType == VIRTIOSCSI_T_AN_QUERY
|
---|
| 1433 | || ScsiCtrlUnion.Type.uType == VIRTIOSCSI_T_AN_SUBSCRIBE)
|
---|
[84819] | 1434 | && pVirtqBuf->cbPhysSend >= sizeof(VIRTIOSCSI_CTRL_AN_T)),
|
---|
[83571] | 1435 | 0 /** @todo r=bird: what kind of status is '0' here? */);
|
---|
[81814] | 1436 |
|
---|
[83571] | 1437 | union
|
---|
[80340] | 1438 | {
|
---|
[83571] | 1439 | uint32_t fSupportedEvents;
|
---|
| 1440 | } uData;
|
---|
| 1441 | uint8_t bResponse = VIRTIOSCSI_S_OK;
|
---|
| 1442 | uint8_t cSegs;
|
---|
| 1443 | RTSGSEG aReqSegs[2];
|
---|
[83572] | 1444 | switch (ScsiCtrlUnion.Type.uType)
|
---|
[83571] | 1445 | {
|
---|
[80499] | 1446 | case VIRTIOSCSI_T_TMF: /* Task Management Functions */
|
---|
[80383] | 1447 | {
|
---|
[83572] | 1448 | uint8_t uTarget = ScsiCtrlUnion.Tmf.abScsiLun[1];
|
---|
| 1449 | uint32_t uScsiLun = RT_MAKE_U16(ScsiCtrlUnion.Tmf.abScsiLun[3], ScsiCtrlUnion.Tmf.abScsiLun[2]) & 0x3fff;
|
---|
[81634] | 1450 | Log2Func(("[%s] (Target: %d LUN: %d) Task Mgt Function: %s\n",
|
---|
[84819] | 1451 | VIRTQNAME(uVirtqNbr), uTarget, uScsiLun, virtioGetTMFTypeText(ScsiCtrlUnion.Tmf.uSubtype)));
|
---|
[81312] | 1452 |
|
---|
[81675] | 1453 | if (uTarget >= pThis->cTargets || !pThisCC->paTargetInstances[uTarget].fPresent)
|
---|
[81634] | 1454 | bResponse = VIRTIOSCSI_S_BAD_TARGET;
|
---|
[81348] | 1455 | else
|
---|
| 1456 | if (uScsiLun != 0)
|
---|
[81634] | 1457 | bResponse = VIRTIOSCSI_S_INCORRECT_LUN;
|
---|
[81348] | 1458 | else
|
---|
[83572] | 1459 | switch (ScsiCtrlUnion.Tmf.uSubtype)
|
---|
[81634] | 1460 | {
|
---|
| 1461 | case VIRTIOSCSI_T_TMF_ABORT_TASK:
|
---|
| 1462 | bResponse = VIRTIOSCSI_S_FUNCTION_SUCCEEDED;
|
---|
| 1463 | break;
|
---|
| 1464 | case VIRTIOSCSI_T_TMF_ABORT_TASK_SET:
|
---|
| 1465 | bResponse = VIRTIOSCSI_S_FUNCTION_SUCCEEDED;
|
---|
| 1466 | break;
|
---|
| 1467 | case VIRTIOSCSI_T_TMF_CLEAR_ACA:
|
---|
| 1468 | bResponse = VIRTIOSCSI_S_FUNCTION_SUCCEEDED;
|
---|
| 1469 | break;
|
---|
| 1470 | case VIRTIOSCSI_T_TMF_CLEAR_TASK_SET:
|
---|
| 1471 | bResponse = VIRTIOSCSI_S_FUNCTION_SUCCEEDED;
|
---|
| 1472 | break;
|
---|
| 1473 | case VIRTIOSCSI_T_TMF_I_T_NEXUS_RESET:
|
---|
| 1474 | bResponse = VIRTIOSCSI_S_FUNCTION_SUCCEEDED;
|
---|
| 1475 | break;
|
---|
| 1476 | case VIRTIOSCSI_T_TMF_LOGICAL_UNIT_RESET:
|
---|
| 1477 | bResponse = VIRTIOSCSI_S_FUNCTION_SUCCEEDED;
|
---|
| 1478 | break;
|
---|
| 1479 | case VIRTIOSCSI_T_TMF_QUERY_TASK:
|
---|
| 1480 | bResponse = VIRTIOSCSI_S_FUNCTION_REJECTED;
|
---|
| 1481 | break;
|
---|
| 1482 | case VIRTIOSCSI_T_TMF_QUERY_TASK_SET:
|
---|
| 1483 | bResponse = VIRTIOSCSI_S_FUNCTION_REJECTED;
|
---|
| 1484 | break;
|
---|
| 1485 | default:
|
---|
| 1486 | LogFunc(("Unknown TMF type\n"));
|
---|
| 1487 | bResponse = VIRTIOSCSI_S_FAILURE;
|
---|
| 1488 | }
|
---|
[83571] | 1489 | cSegs = 0; /* only bResponse */
|
---|
[80383] | 1490 | break;
|
---|
| 1491 | }
|
---|
[80718] | 1492 | case VIRTIOSCSI_T_AN_QUERY: /* Guest SCSI driver is querying supported async event notifications */
|
---|
[80383] | 1493 | {
|
---|
[83572] | 1494 | uint8_t uTarget = ScsiCtrlUnion.AsyncNotify.abScsiLun[1];
|
---|
| 1495 | uint32_t uScsiLun = RT_MAKE_U16(ScsiCtrlUnion.AsyncNotify.abScsiLun[3],
|
---|
| 1496 | ScsiCtrlUnion.AsyncNotify.abScsiLun[2]) & 0x3fff;
|
---|
[80437] | 1497 |
|
---|
[81675] | 1498 | if (uTarget >= pThis->cTargets || !pThisCC->paTargetInstances[uTarget].fPresent)
|
---|
[81634] | 1499 | bResponse = VIRTIOSCSI_S_BAD_TARGET;
|
---|
[81348] | 1500 | else
|
---|
| 1501 | if (uScsiLun != 0)
|
---|
[81634] | 1502 | bResponse = VIRTIOSCSI_S_INCORRECT_LUN;
|
---|
[81348] | 1503 | else
|
---|
[81634] | 1504 | bResponse = VIRTIOSCSI_S_FUNCTION_COMPLETE;
|
---|
[81348] | 1505 |
|
---|
[81634] | 1506 | #ifdef LOG_ENABLED
|
---|
[81316] | 1507 | if (LogIs2Enabled())
|
---|
[80718] | 1508 | {
|
---|
| 1509 | char szTypeText[128];
|
---|
[83572] | 1510 | virtioGetControlAsyncMaskText(szTypeText, sizeof(szTypeText), ScsiCtrlUnion.AsyncNotify.fEventsRequested);
|
---|
[81316] | 1511 | Log2Func(("[%s] (Target: %d LUN: %d) Async. Notification Query: %s\n",
|
---|
[84819] | 1512 | VIRTQNAME(uVirtqNbr), uTarget, uScsiLun, szTypeText));
|
---|
[80718] | 1513 | }
|
---|
[81634] | 1514 | #endif
|
---|
[83571] | 1515 | uData.fSupportedEvents = SUPPORTED_EVENTS;
|
---|
| 1516 | aReqSegs[0].pvSeg = &uData.fSupportedEvents;
|
---|
| 1517 | aReqSegs[0].cbSeg = sizeof(uData.fSupportedEvents);
|
---|
| 1518 | cSegs = 1;
|
---|
[80383] | 1519 | break;
|
---|
| 1520 | }
|
---|
[80718] | 1521 | case VIRTIOSCSI_T_AN_SUBSCRIBE: /* Guest SCSI driver is subscribing to async event notification(s) */
|
---|
[80383] | 1522 | {
|
---|
[83572] | 1523 | if (ScsiCtrlUnion.AsyncNotify.fEventsRequested & ~SUBSCRIBABLE_EVENTS)
|
---|
[82151] | 1524 | LogFunc(("Unsupported bits in event subscription event mask: %#x\n",
|
---|
[83572] | 1525 | ScsiCtrlUnion.AsyncNotify.fEventsRequested));
|
---|
[80437] | 1526 |
|
---|
[83572] | 1527 | uint8_t uTarget = ScsiCtrlUnion.AsyncNotify.abScsiLun[1];
|
---|
| 1528 | uint32_t uScsiLun = RT_MAKE_U16(ScsiCtrlUnion.AsyncNotify.abScsiLun[3],
|
---|
| 1529 | ScsiCtrlUnion.AsyncNotify.abScsiLun[2]) & 0x3fff;
|
---|
[81348] | 1530 |
|
---|
[81634] | 1531 | #ifdef LOG_ENABLED
|
---|
[81313] | 1532 | if (LogIs2Enabled())
|
---|
[80718] | 1533 | {
|
---|
| 1534 | char szTypeText[128];
|
---|
[83572] | 1535 | virtioGetControlAsyncMaskText(szTypeText, sizeof(szTypeText), ScsiCtrlUnion.AsyncNotify.fEventsRequested);
|
---|
[81313] | 1536 | Log2Func(("[%s] (Target: %d LUN: %d) Async. Notification Subscribe: %s\n",
|
---|
[84819] | 1537 | VIRTQNAME(uVirtqNbr), uTarget, uScsiLun, szTypeText));
|
---|
[80718] | 1538 | }
|
---|
[81634] | 1539 | #endif
|
---|
[81675] | 1540 | if (uTarget >= pThis->cTargets || !pThisCC->paTargetInstances[uTarget].fPresent)
|
---|
[81634] | 1541 | bResponse = VIRTIOSCSI_S_BAD_TARGET;
|
---|
[80437] | 1542 | else
|
---|
[81348] | 1543 | if (uScsiLun != 0)
|
---|
[81634] | 1544 | bResponse = VIRTIOSCSI_S_INCORRECT_LUN;
|
---|
[81348] | 1545 | else
|
---|
| 1546 | {
|
---|
[82151] | 1547 | bResponse = VIRTIOSCSI_S_FUNCTION_SUCCEEDED; /* or VIRTIOSCSI_S_FUNCTION_COMPLETE? */
|
---|
[83572] | 1548 | pThis->fAsyncEvtsEnabled = SUPPORTED_EVENTS & ScsiCtrlUnion.AsyncNotify.fEventsRequested;
|
---|
[81348] | 1549 | }
|
---|
[82151] | 1550 |
|
---|
[83571] | 1551 | aReqSegs[0].pvSeg = &pThis->fAsyncEvtsEnabled;
|
---|
| 1552 | aReqSegs[0].cbSeg = sizeof(pThis->fAsyncEvtsEnabled);
|
---|
| 1553 | cSegs = 1;
|
---|
[80383] | 1554 | break;
|
---|
| 1555 | }
|
---|
| 1556 | default:
|
---|
[81634] | 1557 | {
|
---|
[84819] | 1558 | LogFunc(("Unknown control type extracted from %s: %u\n", VIRTQNAME(uVirtqNbr), ScsiCtrlUnion.Type.uType));
|
---|
[80437] | 1559 |
|
---|
[81634] | 1560 | bResponse = VIRTIOSCSI_S_FAILURE;
|
---|
[83571] | 1561 | cSegs = 0; /* only bResponse */
|
---|
| 1562 | break;
|
---|
[81634] | 1563 | }
|
---|
[80340] | 1564 | }
|
---|
| 1565 |
|
---|
[83571] | 1566 | /* Add the response code: */
|
---|
| 1567 | aReqSegs[cSegs].pvSeg = &bResponse;
|
---|
| 1568 | aReqSegs[cSegs].cbSeg = sizeof(bResponse);
|
---|
| 1569 | cSegs++;
|
---|
| 1570 | Assert(cSegs <= RT_ELEMENTS(aReqSegs));
|
---|
[81838] | 1571 |
|
---|
[83571] | 1572 | LogFunc(("Response code: %s\n", virtioGetReqRespText(bResponse)));
|
---|
[82151] | 1573 |
|
---|
[83571] | 1574 | RTSGBUF ReqSgBuf;
|
---|
| 1575 | RTSgBufInit(&ReqSgBuf, aReqSegs, cSegs);
|
---|
[81814] | 1576 |
|
---|
[98661] | 1577 | virtioScsiR3VirtqUsedBufPutAndSync(pDevIns, &pThis->Virtio, uVirtqNbr, &ReqSgBuf, pVirtqBuf);
|
---|
[80383] | 1578 | return VINF_SUCCESS;
|
---|
| 1579 | }
|
---|
[80340] | 1580 |
|
---|
[81634] | 1581 | /**
|
---|
| 1582 | * @callback_method_impl{FNPDMTHREADWAKEUPDEV}
|
---|
[80383] | 1583 | */
|
---|
[81634] | 1584 | static DECLCALLBACK(int) virtioScsiR3WorkerWakeUp(PPDMDEVINS pDevIns, PPDMTHREAD pThread)
|
---|
[80383] | 1585 | {
|
---|
[81591] | 1586 | PVIRTIOSCSI pThis = PDMDEVINS_2_DATA(pDevIns, PVIRTIOSCSI);
|
---|
[81675] | 1587 | return PDMDevHlpSUPSemEventSignal(pDevIns, pThis->aWorkers[(uintptr_t)pThread->pvUser].hEvtProcess);
|
---|
[80340] | 1588 | }
|
---|
| 1589 |
|
---|
[81634] | 1590 | /**
|
---|
| 1591 | * @callback_method_impl{FNPDMTHREADDEV}
|
---|
| 1592 | */
|
---|
| 1593 | static DECLCALLBACK(int) virtioScsiR3WorkerThread(PPDMDEVINS pDevIns, PPDMTHREAD pThread)
|
---|
[80340] | 1594 | {
|
---|
[84819] | 1595 | uint16_t const uVirtqNbr = (uint16_t)(uintptr_t)pThread->pvUser;
|
---|
[81675] | 1596 | PVIRTIOSCSI pThis = PDMDEVINS_2_DATA(pDevIns, PVIRTIOSCSI);
|
---|
| 1597 | PVIRTIOSCSICC pThisCC = PDMDEVINS_2_DATA_CC(pDevIns, PVIRTIOSCSICC);
|
---|
[84819] | 1598 | PVIRTIOSCSIWORKER pWorker = &pThis->aWorkers[uVirtqNbr];
|
---|
| 1599 | PVIRTIOSCSIWORKERR3 pWorkerR3 = &pThisCC->aWorkers[uVirtqNbr];
|
---|
[80340] | 1600 |
|
---|
[80383] | 1601 | if (pThread->enmState == PDMTHREADSTATE_INITIALIZING)
|
---|
| 1602 | return VINF_SUCCESS;
|
---|
[80340] | 1603 |
|
---|
[93613] | 1604 | Log6Func(("[Re]starting %s worker\n", VIRTQNAME(uVirtqNbr)));
|
---|
[80383] | 1605 | while (pThread->enmState == PDMTHREADSTATE_RUNNING)
|
---|
[80340] | 1606 | {
|
---|
[93613] | 1607 | if ( !pWorkerR3->cRedoDescs
|
---|
[93614] | 1608 | && IS_VIRTQ_EMPTY(pDevIns, &pThis->Virtio, uVirtqNbr))
|
---|
| 1609 | {
|
---|
[80928] | 1610 | /* Atomic interlocks avoid missing alarm while going to sleep & notifier waking the awoken */
|
---|
[84351] | 1611 | ASMAtomicWriteBool(&pWorker->fSleeping, true);
|
---|
| 1612 | bool fNotificationSent = ASMAtomicXchgBool(&pWorker->fNotified, false);
|
---|
[80437] | 1613 | if (!fNotificationSent)
|
---|
| 1614 | {
|
---|
[84819] | 1615 | Log6Func(("%s worker sleeping...\n", VIRTQNAME(uVirtqNbr)));
|
---|
[84351] | 1616 | Assert(ASMAtomicReadBool(&pWorker->fSleeping));
|
---|
[81675] | 1617 | int rc = PDMDevHlpSUPSemEventWaitNoResume(pDevIns, pWorker->hEvtProcess, RT_INDEFINITE_WAIT);
|
---|
[80437] | 1618 | AssertLogRelMsgReturn(RT_SUCCESS(rc) || rc == VERR_INTERRUPTED, ("%Rrc\n", rc), rc);
|
---|
| 1619 | if (RT_UNLIKELY(pThread->enmState != PDMTHREADSTATE_RUNNING))
|
---|
[93614] | 1620 | {
|
---|
[93613] | 1621 | Log6Func(("%s worker thread not running, exiting\n", VIRTQNAME(uVirtqNbr)));
|
---|
[81628] | 1622 | return VINF_SUCCESS;
|
---|
[93613] | 1623 | }
|
---|
[82183] | 1624 | if (rc == VERR_INTERRUPTED)
|
---|
[93613] | 1625 | {
|
---|
| 1626 | Log6Func(("%s worker interrupted ... continuing\n", VIRTQNAME(uVirtqNbr)));
|
---|
[82183] | 1627 | continue;
|
---|
[93613] | 1628 | }
|
---|
[84819] | 1629 | Log6Func(("%s worker woken\n", VIRTQNAME(uVirtqNbr)));
|
---|
[84351] | 1630 | ASMAtomicWriteBool(&pWorker->fNotified, false);
|
---|
[80437] | 1631 | }
|
---|
[84351] | 1632 | ASMAtomicWriteBool(&pWorker->fSleeping, false);
|
---|
[80383] | 1633 | }
|
---|
[93613] | 1634 | if (!virtioCoreIsVirtqEnabled(&pThis->Virtio, uVirtqNbr))
|
---|
| 1635 | {
|
---|
| 1636 | LogFunc(("%s queue not enabled, worker aborting...\n", VIRTQNAME(uVirtqNbr)));
|
---|
| 1637 | break;
|
---|
| 1638 | }
|
---|
[80931] | 1639 |
|
---|
[84819] | 1640 | if (!pThis->afVirtqAttached[uVirtqNbr])
|
---|
[80383] | 1641 | {
|
---|
[84819] | 1642 | LogFunc(("%s queue not attached, worker aborting...\n", VIRTQNAME(uVirtqNbr)));
|
---|
[80931] | 1643 | break;
|
---|
[80383] | 1644 | }
|
---|
[81675] | 1645 | if (!pThisCC->fQuiescing)
|
---|
[80527] | 1646 | {
|
---|
[81973] | 1647 | /* Process any reqs that were suspended saved to the redo queue in save exec. */
|
---|
[82010] | 1648 | for (int i = 0; i < pWorkerR3->cRedoDescs; i++)
|
---|
[81973] | 1649 | {
|
---|
[94969] | 1650 | PVIRTQBUF pVirtqBuf = virtioCoreR3VirtqBufAlloc();
|
---|
| 1651 | if (!pVirtqBuf)
|
---|
| 1652 | {
|
---|
| 1653 | LogRel(("Failed to allocate memory for VIRTQBUF\n"));
|
---|
| 1654 | break; /* No point in trying to allocate memory for other descriptor chains */
|
---|
| 1655 | }
|
---|
| 1656 | int rc = virtioCoreR3VirtqAvailBufGet(pDevIns, &pThis->Virtio, uVirtqNbr,
|
---|
| 1657 | pWorkerR3->auRedoDescs[i], pVirtqBuf);
|
---|
[100371] | 1658 | if (RT_FAILURE(rc))
|
---|
| 1659 | LogRel(("Error fetching desc chain to redo, %Rrc", rc));
|
---|
[81973] | 1660 |
|
---|
[100371] | 1661 | rc = virtioScsiR3ReqSubmit(pDevIns, pThis, pThisCC, uVirtqNbr, pVirtqBuf);
|
---|
| 1662 | if (RT_FAILURE(rc))
|
---|
| 1663 | LogRel(("Error submitting req packet, resetting %Rrc", rc));
|
---|
[83587] | 1664 |
|
---|
[84819] | 1665 | virtioCoreR3VirtqBufRelease(&pThis->Virtio, pVirtqBuf);
|
---|
[81973] | 1666 | }
|
---|
[82010] | 1667 | pWorkerR3->cRedoDescs = 0;
|
---|
[81973] | 1668 |
|
---|
[84819] | 1669 | Log6Func(("fetching next descriptor chain from %s\n", VIRTQNAME(uVirtqNbr)));
|
---|
[94969] | 1670 | PVIRTQBUF pVirtqBuf = virtioCoreR3VirtqBufAlloc();
|
---|
| 1671 | if (!pVirtqBuf)
|
---|
| 1672 | LogRel(("Failed to allocate memory for VIRTQBUF\n"));
|
---|
| 1673 | else
|
---|
| 1674 | {
|
---|
[100371] | 1675 | int rc = virtioCoreR3VirtqAvailBufGet(pDevIns, &pThis->Virtio, uVirtqNbr, pVirtqBuf, true);
|
---|
| 1676 | if (rc == VERR_NOT_AVAILABLE)
|
---|
| 1677 | {
|
---|
| 1678 | Log6Func(("Nothing found in %s\n", VIRTQNAME(uVirtqNbr)));
|
---|
| 1679 | virtioCoreR3VirtqBufRelease(&pThis->Virtio, pVirtqBuf);
|
---|
| 1680 | continue;
|
---|
| 1681 | }
|
---|
[80931] | 1682 |
|
---|
[100371] | 1683 | AssertRC(rc);
|
---|
| 1684 | if (uVirtqNbr == CONTROLQ_IDX)
|
---|
| 1685 | virtioScsiR3Ctrl(pDevIns, pThis, pThisCC, uVirtqNbr, pVirtqBuf);
|
---|
| 1686 | else /* request queue index */
|
---|
| 1687 | {
|
---|
| 1688 | rc = virtioScsiR3ReqSubmit(pDevIns, pThis, pThisCC, uVirtqNbr, pVirtqBuf);
|
---|
| 1689 | if (RT_FAILURE(rc))
|
---|
| 1690 | LogRel(("Error submitting req packet, resetting %Rrc", rc));
|
---|
| 1691 | }
|
---|
[83587] | 1692 |
|
---|
[100371] | 1693 | virtioCoreR3VirtqBufRelease(&pThis->Virtio, pVirtqBuf);
|
---|
[94969] | 1694 | }
|
---|
[80527] | 1695 | }
|
---|
[80383] | 1696 | }
|
---|
| 1697 | return VINF_SUCCESS;
|
---|
[80340] | 1698 | }
|
---|
| 1699 |
|
---|
[80383] | 1700 |
|
---|
[81634] | 1701 | /*********************************************************************************************************************************
|
---|
| 1702 | * Sending evnets
|
---|
| 1703 | *********************************************************************************************************************************/
|
---|
| 1704 |
|
---|
[84358] | 1705 | /*
|
---|
| 1706 | * @todo Figure out how to implement this with R0 changes. Not used by current linux driver
|
---|
| 1707 | */
|
---|
| 1708 |
|
---|
[84354] | 1709 | #if 0
|
---|
[81675] | 1710 | DECLINLINE(void) virtioScsiR3ReportEventsMissed(PPDMDEVINS pDevIns, PVIRTIOSCSI pThis, uint16_t uTarget)
|
---|
[80499] | 1711 | {
|
---|
[81675] | 1712 | virtioScsiR3SendEvent(pDevIns, pThis, uTarget, VIRTIOSCSI_T_NO_EVENT | VIRTIOSCSI_T_EVENTS_MISSED, 0);
|
---|
[80499] | 1713 | }
|
---|
[84354] | 1714 | #endif
|
---|
[80340] | 1715 |
|
---|
[81016] | 1716 | #if 0
|
---|
[82151] | 1717 | /* SUBSCRIBABLE EVENT - not sure when to call this or how to detect when media is added or removed
|
---|
| 1718 | * via the VBox GUI */
|
---|
| 1719 | DECLINLINE(void) virtioScsiR3ReportMediaChange(PPDMDEVINS pDevIns, PVIRTIOSCSI pThis, uint16_t uTarget)
|
---|
[80499] | 1720 | {
|
---|
[82151] | 1721 | if (pThis->fAsyncEvtsEnabled & VIRTIOSCSI_EVT_ASYNC_MEDIA_CHANGE)
|
---|
| 1722 | virtioScsiR3SendEvent(pDevIns, pThis, uTarget, VIRTIOSCSI_T_ASYNC_NOTIFY, VIRTIOSCSI_EVT_ASYNC_MEDIA_CHANGE);
|
---|
[80499] | 1723 | }
|
---|
| 1724 |
|
---|
[82151] | 1725 | /* ESSENTIAL (NON-SUBSCRIBABLE) EVENT TYPES (most guest virtio-scsi drivers ignore?) */
|
---|
[80499] | 1726 |
|
---|
[82151] | 1727 | DECLINLINE(void) virtioScsiR3ReportTransportReset(PDMDEVINS pDevIns, PVIRTIOSCSI pThis, uint16_t uTarget)
|
---|
[80499] | 1728 | {
|
---|
[81675] | 1729 | virtioScsiR3SendEvent(pDevIns, pThis, uTarget, VIRTIOSCSI_T_TRANSPORT_RESET, VIRTIOSCSI_EVT_RESET_HARD);
|
---|
[80499] | 1730 | }
|
---|
| 1731 |
|
---|
[82151] | 1732 | DECLINLINE(void) virtioScsiR3ReportParamChange(PDMDEVINS pDevIns, PVIRTIOSCSI pThis, uint16_t uTarget,
|
---|
| 1733 | uint32_t uSenseCode, uint32_t uSenseQualifier)
|
---|
[80499] | 1734 | {
|
---|
[82151] | 1735 | uint32_t uReason = uSenseQualifier << 8 | uSenseCode;
|
---|
| 1736 | virtioScsiR3SendEvent(pDevIns, pThis, uTarget, VIRTIOSCSI_T_PARAM_CHANGE, uReason);
|
---|
[80499] | 1737 |
|
---|
| 1738 | }
|
---|
| 1739 |
|
---|
[82151] | 1740 | DECLINLINE(void) virtioScsiR3ReportTargetRemoved(PDMDEVINS pDevIns, PVIRTIOSCSI pThis, uint16_t uTarget)
|
---|
[80499] | 1741 | {
|
---|
[82151] | 1742 | if (pThis->fHasHotplug)
|
---|
| 1743 | virtioScsiR3SendEvent(pDevIns, pThis, uTarget, VIRTIOSCSI_T_TRANSPORT_RESET, VIRTIOSCSI_EVT_RESET_REMOVED);
|
---|
[80499] | 1744 | }
|
---|
| 1745 |
|
---|
[82151] | 1746 | DECLINLINE(void) virtioScsiR3ReportTargetAdded(PDMDEVINS pDevInsPVIRTIOSCSI pThis, uint16_t uTarget)
|
---|
[80499] | 1747 | {
|
---|
[82151] | 1748 | if (pThis->fHasHotplug)
|
---|
| 1749 | virtioScsiR3SendEvent(pDevIns, pThis, uTarget, VIRTIOSCSI_T_TRANSPORT_RESET, VIRTIOSCSI_EVT_RESET_RESCAN);
|
---|
[80499] | 1750 | }
|
---|
| 1751 |
|
---|
[81019] | 1752 | #endif
|
---|
| 1753 |
|
---|
[81634] | 1754 | /**
|
---|
[81679] | 1755 | * @callback_method_impl{VIRTIOCORER3,pfnStatusChanged}
|
---|
[81634] | 1756 | */
|
---|
[81678] | 1757 | static DECLCALLBACK(void) virtioScsiR3StatusChanged(PVIRTIOCORE pVirtio, PVIRTIOCORECC pVirtioCC, uint32_t fVirtioReady)
|
---|
[80499] | 1758 | {
|
---|
[81675] | 1759 | PVIRTIOSCSI pThis = RT_FROM_MEMBER(pVirtio, VIRTIOSCSI, Virtio);
|
---|
| 1760 | PVIRTIOSCSICC pThisCC = RT_FROM_MEMBER(pVirtioCC, VIRTIOSCSICC, Virtio);
|
---|
[80657] | 1761 |
|
---|
[80499] | 1762 | pThis->fVirtioReady = fVirtioReady;
|
---|
[80657] | 1763 |
|
---|
[80499] | 1764 | if (fVirtioReady)
|
---|
| 1765 | {
|
---|
[80571] | 1766 | LogFunc(("VirtIO ready\n-----------------------------------------------------------------------------------------\n"));
|
---|
[81678] | 1767 | uint64_t fFeatures = virtioCoreGetNegotiatedFeatures(&pThis->Virtio);
|
---|
[81658] | 1768 | pThis->fHasT10pi = fFeatures & VIRTIO_SCSI_F_T10_PI;
|
---|
| 1769 | pThis->fHasHotplug = fFeatures & VIRTIO_SCSI_F_HOTPLUG;
|
---|
| 1770 | pThis->fHasInOutBufs = fFeatures & VIRTIO_SCSI_F_INOUT;
|
---|
| 1771 | pThis->fHasLunChange = fFeatures & VIRTIO_SCSI_F_CHANGE;
|
---|
[80657] | 1772 | pThis->fResetting = false;
|
---|
[81675] | 1773 | pThisCC->fQuiescing = false;
|
---|
[80657] | 1774 |
|
---|
[84803] | 1775 | for (unsigned i = 0; i < VIRTIOSCSI_VIRTQ_CNT; i++)
|
---|
| 1776 | pThis->afVirtqAttached[i] = true;
|
---|
[80499] | 1777 | }
|
---|
| 1778 | else
|
---|
| 1779 | {
|
---|
| 1780 | LogFunc(("VirtIO is resetting\n"));
|
---|
[84803] | 1781 | for (unsigned i = 0; i < VIRTIOSCSI_VIRTQ_CNT; i++)
|
---|
| 1782 | pThis->afVirtqAttached[i] = false;
|
---|
[88827] | 1783 |
|
---|
| 1784 | /*
|
---|
| 1785 | * BIOS may change these values. When the OS comes up, and KVM driver accessed
|
---|
[91703] | 1786 | * through Windows, it assumes they are the default size. So as per the VirtIO 1.0 spec,
|
---|
[88827] | 1787 | * 5.6.4, these device configuration values must be set to default upon device reset.
|
---|
| 1788 | */
|
---|
| 1789 | pThis->virtioScsiConfig.uSenseSize = VIRTIOSCSI_SENSE_SIZE_DEFAULT;
|
---|
| 1790 | pThis->virtioScsiConfig.uCdbSize = VIRTIOSCSI_CDB_SIZE_DEFAULT;
|
---|
[80499] | 1791 | }
|
---|
[88827] | 1792 |
|
---|
| 1793 |
|
---|
[80499] | 1794 | }
|
---|
| 1795 |
|
---|
[81634] | 1796 |
|
---|
| 1797 | /*********************************************************************************************************************************
|
---|
| 1798 | * LEDs *
|
---|
| 1799 | *********************************************************************************************************************************/
|
---|
| 1800 |
|
---|
[80657] | 1801 | /**
|
---|
[81634] | 1802 | * @interface_method_impl{PDMILEDPORTS,pfnQueryStatusLed, Target level.}
|
---|
[80058] | 1803 | */
|
---|
[81679] | 1804 | static DECLCALLBACK(int) virtioScsiR3TargetQueryStatusLed(PPDMILEDPORTS pInterface, unsigned iLUN, PPDMLED *ppLed)
|
---|
[80058] | 1805 | {
|
---|
[81634] | 1806 | PVIRTIOSCSITARGET pTarget = RT_FROM_MEMBER(pInterface, VIRTIOSCSITARGET, ILed);
|
---|
[81679] | 1807 | if (iLUN == 0)
|
---|
[80058] | 1808 | {
|
---|
| 1809 | *ppLed = &pTarget->led;
|
---|
| 1810 | Assert((*ppLed)->u32Magic == PDMLED_MAGIC);
|
---|
| 1811 | return VINF_SUCCESS;
|
---|
| 1812 | }
|
---|
| 1813 | return VERR_PDM_LUN_NOT_FOUND;
|
---|
[80657] | 1814 | }
|
---|
[80058] | 1815 | /**
|
---|
[81634] | 1816 | * @interface_method_impl{PDMILEDPORTS,pfnQueryStatusLed, Device level.}
|
---|
[80058] | 1817 | */
|
---|
[81679] | 1818 | static DECLCALLBACK(int) virtioScsiR3DeviceQueryStatusLed(PPDMILEDPORTS pInterface, unsigned iLUN, PPDMLED *ppLed)
|
---|
[80058] | 1819 | {
|
---|
[81675] | 1820 | PVIRTIOSCSICC pThisCC = RT_FROM_MEMBER(pInterface, VIRTIOSCSICC, ILeds);
|
---|
| 1821 | PVIRTIOSCSI pThis = PDMDEVINS_2_DATA(pThisCC->pDevIns, PVIRTIOSCSI);
|
---|
[81679] | 1822 | if (iLUN < pThis->cTargets)
|
---|
[80058] | 1823 | {
|
---|
[81679] | 1824 | *ppLed = &pThisCC->paTargetInstances[iLUN].led;
|
---|
[80058] | 1825 | Assert((*ppLed)->u32Magic == PDMLED_MAGIC);
|
---|
| 1826 | return VINF_SUCCESS;
|
---|
| 1827 | }
|
---|
| 1828 | return VERR_PDM_LUN_NOT_FOUND;
|
---|
[81634] | 1829 | }
|
---|
[80657] | 1830 |
|
---|
[81634] | 1831 |
|
---|
| 1832 | /*********************************************************************************************************************************
|
---|
[81645] | 1833 | * PDMIMEDIAPORT (target) *
|
---|
| 1834 | *********************************************************************************************************************************/
|
---|
| 1835 |
|
---|
| 1836 | /**
|
---|
| 1837 | * @interface_method_impl{PDMIMEDIAPORT,pfnQueryDeviceLocation, Target level.}
|
---|
| 1838 | */
|
---|
| 1839 | static DECLCALLBACK(int) virtioScsiR3QueryDeviceLocation(PPDMIMEDIAPORT pInterface, const char **ppcszController,
|
---|
[81680] | 1840 | uint32_t *piInstance, uint32_t *piLUN)
|
---|
[81645] | 1841 | {
|
---|
| 1842 | PVIRTIOSCSITARGET pTarget = RT_FROM_MEMBER(pInterface, VIRTIOSCSITARGET, IMediaPort);
|
---|
[81675] | 1843 | PPDMDEVINS pDevIns = pTarget->pDevIns;
|
---|
[81645] | 1844 |
|
---|
| 1845 | AssertPtrReturn(ppcszController, VERR_INVALID_POINTER);
|
---|
| 1846 | AssertPtrReturn(piInstance, VERR_INVALID_POINTER);
|
---|
[81680] | 1847 | AssertPtrReturn(piLUN, VERR_INVALID_POINTER);
|
---|
[81645] | 1848 |
|
---|
| 1849 | *ppcszController = pDevIns->pReg->szName;
|
---|
| 1850 | *piInstance = pDevIns->iInstance;
|
---|
[82151] | 1851 | *piLUN = pTarget->uTarget;
|
---|
[81645] | 1852 |
|
---|
| 1853 | return VINF_SUCCESS;
|
---|
| 1854 | }
|
---|
| 1855 |
|
---|
| 1856 |
|
---|
| 1857 | /*********************************************************************************************************************************
|
---|
[81634] | 1858 | * Virtio config. *
|
---|
| 1859 | *********************************************************************************************************************************/
|
---|
| 1860 |
|
---|
| 1861 | /**
|
---|
[81680] | 1862 | * Worker for virtioScsiR3DevCapWrite and virtioScsiR3DevCapRead.
|
---|
| 1863 | */
|
---|
[85016] | 1864 | static int virtioScsiR3CfgAccessed(PVIRTIOSCSI pThis, uint32_t uOffsetOfAccess, void *pv, uint32_t cb, bool fWrite)
|
---|
[81680] | 1865 | {
|
---|
| 1866 | AssertReturn(pv && cb <= sizeof(uint32_t), fWrite ? VINF_SUCCESS : VINF_IOM_MMIO_UNUSED_00);
|
---|
| 1867 |
|
---|
[85016] | 1868 | if (VIRTIO_DEV_CONFIG_MATCH_MEMBER( uNumVirtqs, VIRTIOSCSI_CONFIG_T, uOffsetOfAccess))
|
---|
| 1869 | VIRTIO_DEV_CONFIG_ACCESS_READONLY( uNumVirtqs, VIRTIOSCSI_CONFIG_T, uOffsetOfAccess, &pThis->virtioScsiConfig);
|
---|
[82151] | 1870 | else
|
---|
[85016] | 1871 | if (VIRTIO_DEV_CONFIG_MATCH_MEMBER( uSegMax, VIRTIOSCSI_CONFIG_T, uOffsetOfAccess))
|
---|
| 1872 | VIRTIO_DEV_CONFIG_ACCESS_READONLY( uSegMax, VIRTIOSCSI_CONFIG_T, uOffsetOfAccess, &pThis->virtioScsiConfig);
|
---|
[82151] | 1873 | else
|
---|
[85016] | 1874 | if (VIRTIO_DEV_CONFIG_MATCH_MEMBER( uMaxSectors, VIRTIOSCSI_CONFIG_T, uOffsetOfAccess))
|
---|
| 1875 | VIRTIO_DEV_CONFIG_ACCESS_READONLY( uMaxSectors, VIRTIOSCSI_CONFIG_T, uOffsetOfAccess, &pThis->virtioScsiConfig);
|
---|
[82151] | 1876 | else
|
---|
[85016] | 1877 | if (VIRTIO_DEV_CONFIG_MATCH_MEMBER( uCmdPerLun, VIRTIOSCSI_CONFIG_T, uOffsetOfAccess))
|
---|
| 1878 | VIRTIO_DEV_CONFIG_ACCESS_READONLY( uCmdPerLun, VIRTIOSCSI_CONFIG_T, uOffsetOfAccess, &pThis->virtioScsiConfig);
|
---|
[82151] | 1879 | else
|
---|
[85016] | 1880 | if (VIRTIO_DEV_CONFIG_MATCH_MEMBER( uEventInfoSize, VIRTIOSCSI_CONFIG_T, uOffsetOfAccess))
|
---|
| 1881 | VIRTIO_DEV_CONFIG_ACCESS_READONLY( uEventInfoSize, VIRTIOSCSI_CONFIG_T, uOffsetOfAccess, &pThis->virtioScsiConfig);
|
---|
[82151] | 1882 | else
|
---|
[85016] | 1883 | if (VIRTIO_DEV_CONFIG_MATCH_MEMBER( uSenseSize, VIRTIOSCSI_CONFIG_T, uOffsetOfAccess))
|
---|
| 1884 | VIRTIO_DEV_CONFIG_ACCESS( uSenseSize, VIRTIOSCSI_CONFIG_T, uOffsetOfAccess, &pThis->virtioScsiConfig);
|
---|
[82151] | 1885 | else
|
---|
[85016] | 1886 | if (VIRTIO_DEV_CONFIG_MATCH_MEMBER( uCdbSize, VIRTIOSCSI_CONFIG_T, uOffsetOfAccess))
|
---|
| 1887 | VIRTIO_DEV_CONFIG_ACCESS( uCdbSize, VIRTIOSCSI_CONFIG_T, uOffsetOfAccess, &pThis->virtioScsiConfig);
|
---|
[82151] | 1888 | else
|
---|
[85016] | 1889 | if (VIRTIO_DEV_CONFIG_MATCH_MEMBER( uMaxChannel, VIRTIOSCSI_CONFIG_T, uOffsetOfAccess))
|
---|
| 1890 | VIRTIO_DEV_CONFIG_ACCESS_READONLY( uMaxChannel, VIRTIOSCSI_CONFIG_T, uOffsetOfAccess, &pThis->virtioScsiConfig);
|
---|
[82151] | 1891 | else
|
---|
[85016] | 1892 | if (VIRTIO_DEV_CONFIG_MATCH_MEMBER( uMaxTarget, VIRTIOSCSI_CONFIG_T, uOffsetOfAccess))
|
---|
| 1893 | VIRTIO_DEV_CONFIG_ACCESS_READONLY( uMaxTarget, VIRTIOSCSI_CONFIG_T, uOffsetOfAccess, &pThis->virtioScsiConfig);
|
---|
[82151] | 1894 | else
|
---|
[85016] | 1895 | if (VIRTIO_DEV_CONFIG_MATCH_MEMBER( uMaxLun, VIRTIOSCSI_CONFIG_T, uOffsetOfAccess))
|
---|
| 1896 | VIRTIO_DEV_CONFIG_ACCESS_READONLY( uMaxLun, VIRTIOSCSI_CONFIG_T, uOffsetOfAccess, &pThis->virtioScsiConfig);
|
---|
[80657] | 1897 | else
|
---|
| 1898 | {
|
---|
[85016] | 1899 | LogFunc(("Bad access by guest to virtio_scsi_config: off=%u (%#x), cb=%u\n", uOffsetOfAccess, uOffsetOfAccess, cb));
|
---|
[81300] | 1900 | return fWrite ? VINF_SUCCESS : VINF_IOM_MMIO_UNUSED_00;
|
---|
[80657] | 1901 | }
|
---|
[81300] | 1902 | return VINF_SUCCESS;
|
---|
[81680] | 1903 | }
|
---|
| 1904 |
|
---|
[80219] | 1905 | /**
|
---|
[81679] | 1906 | * @callback_method_impl{VIRTIOCORER3,pfnDevCapRead}
|
---|
[80058] | 1907 | */
|
---|
[81634] | 1908 | static DECLCALLBACK(int) virtioScsiR3DevCapRead(PPDMDEVINS pDevIns, uint32_t uOffset, void *pv, uint32_t cb)
|
---|
[80058] | 1909 | {
|
---|
[81634] | 1910 | return virtioScsiR3CfgAccessed(PDMDEVINS_2_DATA(pDevIns, PVIRTIOSCSI), uOffset, pv, cb, false /*fRead*/);
|
---|
[80058] | 1911 | }
|
---|
| 1912 |
|
---|
| 1913 | /**
|
---|
[81679] | 1914 | * @callback_method_impl{VIRTIOCORER3,pfnDevCapWrite}
|
---|
[80058] | 1915 | */
|
---|
[81634] | 1916 | static DECLCALLBACK(int) virtioScsiR3DevCapWrite(PPDMDEVINS pDevIns, uint32_t uOffset, const void *pv, uint32_t cb)
|
---|
[80058] | 1917 | {
|
---|
[81634] | 1918 | return virtioScsiR3CfgAccessed(PDMDEVINS_2_DATA(pDevIns, PVIRTIOSCSI), uOffset, (void *)pv, cb, true /*fWrite*/);
|
---|
| 1919 | }
|
---|
[80657] | 1920 |
|
---|
| 1921 |
|
---|
[81634] | 1922 | /*********************************************************************************************************************************
|
---|
[81645] | 1923 | * IBase for device and targets *
|
---|
[81634] | 1924 | *********************************************************************************************************************************/
|
---|
[80058] | 1925 |
|
---|
| 1926 | /**
|
---|
[81634] | 1927 | * @interface_method_impl{PDMIBASE,pfnQueryInterface, Target level.}
|
---|
[80058] | 1928 | */
|
---|
[81634] | 1929 | static DECLCALLBACK(void *) virtioScsiR3TargetQueryInterface(PPDMIBASE pInterface, const char *pszIID)
|
---|
[80306] | 1930 | {
|
---|
| 1931 | PVIRTIOSCSITARGET pTarget = RT_FROM_MEMBER(pInterface, VIRTIOSCSITARGET, IBase);
|
---|
| 1932 | PDMIBASE_RETURN_INTERFACE(pszIID, PDMIBASE, &pTarget->IBase);
|
---|
| 1933 | PDMIBASE_RETURN_INTERFACE(pszIID, PDMIMEDIAPORT, &pTarget->IMediaPort);
|
---|
| 1934 | PDMIBASE_RETURN_INTERFACE(pszIID, PDMIMEDIAEXPORT, &pTarget->IMediaExPort);
|
---|
| 1935 | PDMIBASE_RETURN_INTERFACE(pszIID, PDMILEDPORTS, &pTarget->ILed);
|
---|
| 1936 | return NULL;
|
---|
| 1937 | }
|
---|
| 1938 |
|
---|
| 1939 | /**
|
---|
[81634] | 1940 | * @interface_method_impl{PDMIBASE,pfnQueryInterface, Device level.}
|
---|
[80306] | 1941 | */
|
---|
[81634] | 1942 | static DECLCALLBACK(void *) virtioScsiR3DeviceQueryInterface(PPDMIBASE pInterface, const char *pszIID)
|
---|
[80058] | 1943 | {
|
---|
[81675] | 1944 | PVIRTIOSCSICC pThisCC = RT_FROM_MEMBER(pInterface, VIRTIOSCSICC, IBase);
|
---|
[80058] | 1945 |
|
---|
[81675] | 1946 | PDMIBASE_RETURN_INTERFACE(pszIID, PDMIBASE, &pThisCC->IBase);
|
---|
| 1947 | PDMIBASE_RETURN_INTERFACE(pszIID, PDMILEDPORTS, &pThisCC->ILeds);
|
---|
[80058] | 1948 |
|
---|
| 1949 | return NULL;
|
---|
| 1950 | }
|
---|
| 1951 |
|
---|
[81634] | 1952 |
|
---|
| 1953 | /*********************************************************************************************************************************
|
---|
[81645] | 1954 | * Misc *
|
---|
| 1955 | *********************************************************************************************************************************/
|
---|
| 1956 |
|
---|
| 1957 | /**
|
---|
| 1958 | * @callback_method_impl{FNDBGFHANDLERDEV, virtio-scsi debugger info callback.}
|
---|
| 1959 | */
|
---|
| 1960 | static DECLCALLBACK(void) virtioScsiR3Info(PPDMDEVINS pDevIns, PCDBGFINFOHLP pHlp, const char *pszArgs)
|
---|
| 1961 | {
|
---|
| 1962 | PVIRTIOSCSI pThis = PDMDEVINS_2_DATA(pDevIns, PVIRTIOSCSI);
|
---|
| 1963 |
|
---|
| 1964 | /* Parse arguments. */
|
---|
| 1965 | RT_NOREF(pszArgs); //bool fVerbose = pszArgs && strstr(pszArgs, "verbose") != NULL;
|
---|
| 1966 |
|
---|
| 1967 | /* Show basic information. */
|
---|
| 1968 | pHlp->pfnPrintf(pHlp, "%s#%d: virtio-scsci ",
|
---|
| 1969 | pDevIns->pReg->szName,
|
---|
| 1970 | pDevIns->iInstance);
|
---|
| 1971 | pHlp->pfnPrintf(pHlp, "numTargets=%lu", pThis->cTargets);
|
---|
| 1972 | }
|
---|
| 1973 |
|
---|
| 1974 |
|
---|
| 1975 | /*********************************************************************************************************************************
|
---|
| 1976 | * Saved state *
|
---|
| 1977 | *********************************************************************************************************************************/
|
---|
| 1978 |
|
---|
| 1979 | /**
|
---|
| 1980 | * @callback_method_impl{FNSSMDEVLOADEXEC}
|
---|
| 1981 | */
|
---|
| 1982 | static DECLCALLBACK(int) virtioScsiR3LoadExec(PPDMDEVINS pDevIns, PSSMHANDLE pSSM, uint32_t uVersion, uint32_t uPass)
|
---|
| 1983 | {
|
---|
[81675] | 1984 | PVIRTIOSCSI pThis = PDMDEVINS_2_DATA(pDevIns, PVIRTIOSCSI);
|
---|
[82010] | 1985 | PVIRTIOSCSICC pThisCC = PDMDEVINS_2_DATA_CC(pDevIns, PVIRTIOSCSICC);
|
---|
[81677] | 1986 | PCPDMDEVHLPR3 pHlp = pDevIns->pHlpR3;
|
---|
[82145] | 1987 |
|
---|
[81645] | 1988 | LogFunc(("LOAD EXEC!!\n"));
|
---|
[81658] | 1989 |
|
---|
| 1990 | AssertReturn(uPass == SSM_PASS_FINAL, VERR_SSM_UNEXPECTED_PASS);
|
---|
| 1991 | AssertLogRelMsgReturn(uVersion == VIRTIOSCSI_SAVED_STATE_VERSION,
|
---|
| 1992 | ("uVersion=%u\n", uVersion), VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION);
|
---|
| 1993 |
|
---|
[82042] | 1994 | virtioScsiSetVirtqNames(pThis);
|
---|
[84819] | 1995 | for (int uVirtqNbr = 0; uVirtqNbr < VIRTIOSCSI_VIRTQ_CNT; uVirtqNbr++)
|
---|
| 1996 | pHlp->pfnSSMGetBool(pSSM, &pThis->afVirtqAttached[uVirtqNbr]);
|
---|
[82010] | 1997 |
|
---|
[84803] | 1998 | pHlp->pfnSSMGetU32(pSSM, &pThis->virtioScsiConfig.uNumVirtqs);
|
---|
[82010] | 1999 | pHlp->pfnSSMGetU32(pSSM, &pThis->virtioScsiConfig.uSegMax);
|
---|
| 2000 | pHlp->pfnSSMGetU32(pSSM, &pThis->virtioScsiConfig.uMaxSectors);
|
---|
| 2001 | pHlp->pfnSSMGetU32(pSSM, &pThis->virtioScsiConfig.uCmdPerLun);
|
---|
| 2002 | pHlp->pfnSSMGetU32(pSSM, &pThis->virtioScsiConfig.uEventInfoSize);
|
---|
| 2003 | pHlp->pfnSSMGetU32(pSSM, &pThis->virtioScsiConfig.uSenseSize);
|
---|
| 2004 | pHlp->pfnSSMGetU32(pSSM, &pThis->virtioScsiConfig.uCdbSize);
|
---|
| 2005 | pHlp->pfnSSMGetU16(pSSM, &pThis->virtioScsiConfig.uMaxChannel);
|
---|
| 2006 | pHlp->pfnSSMGetU16(pSSM, &pThis->virtioScsiConfig.uMaxTarget);
|
---|
| 2007 | pHlp->pfnSSMGetU32(pSSM, &pThis->virtioScsiConfig.uMaxLun);
|
---|
| 2008 | pHlp->pfnSSMGetU32(pSSM, &pThis->fAsyncEvtsEnabled);
|
---|
[81973] | 2009 | pHlp->pfnSSMGetBool(pSSM, &pThis->fEventsMissed);
|
---|
[82010] | 2010 | pHlp->pfnSSMGetU32(pSSM, &pThis->fVirtioReady);
|
---|
| 2011 | pHlp->pfnSSMGetU32(pSSM, &pThis->fHasT10pi);
|
---|
| 2012 | pHlp->pfnSSMGetU32(pSSM, &pThis->fHasHotplug);
|
---|
| 2013 | pHlp->pfnSSMGetU32(pSSM, &pThis->fHasInOutBufs);
|
---|
| 2014 | pHlp->pfnSSMGetU32(pSSM, &pThis->fHasLunChange);
|
---|
| 2015 | pHlp->pfnSSMGetU32(pSSM, &pThis->fResetting);
|
---|
[81658] | 2016 |
|
---|
[83594] | 2017 | uint32_t cTargets;
|
---|
| 2018 | int rc = pHlp->pfnSSMGetU32(pSSM, &cTargets);
|
---|
| 2019 | AssertRCReturn(rc, rc);
|
---|
| 2020 | AssertReturn(cTargets == pThis->cTargets,
|
---|
| 2021 | pHlp->pfnSSMSetLoadError(pSSM, VERR_SSM_LOAD_CONFIG_MISMATCH, RT_SRC_POS,
|
---|
| 2022 | N_("target count has changed: %u saved, %u configured now"),
|
---|
| 2023 | cTargets, pThis->cTargets));
|
---|
[81973] | 2024 |
|
---|
[82145] | 2025 | for (uint16_t uTarget = 0; uTarget < pThis->cTargets; uTarget++)
|
---|
[82010] | 2026 | {
|
---|
[82145] | 2027 | uint16_t cReqsRedo;
|
---|
[83594] | 2028 | rc = pHlp->pfnSSMGetU16(pSSM, &cReqsRedo);
|
---|
| 2029 | AssertRCReturn(rc, rc);
|
---|
[91703] | 2030 | AssertReturn(cReqsRedo < VIRTQ_SIZE,
|
---|
[83594] | 2031 | pHlp->pfnSSMSetLoadError(pSSM, VERR_SSM_DATA_UNIT_FORMAT_CHANGED, RT_SRC_POS,
|
---|
| 2032 | N_("Bad count of I/O transactions to re-do in saved state (%#x, max %#x - 1)"),
|
---|
[91703] | 2033 | cReqsRedo, VIRTQ_SIZE));
|
---|
[82010] | 2034 |
|
---|
[84819] | 2035 | for (uint16_t uVirtqNbr = VIRTQ_REQ_BASE; uVirtqNbr < VIRTIOSCSI_VIRTQ_CNT; uVirtqNbr++)
|
---|
[82145] | 2036 | {
|
---|
[84819] | 2037 | PVIRTIOSCSIWORKERR3 pWorkerR3 = &pThisCC->aWorkers[uVirtqNbr];
|
---|
[82145] | 2038 | pWorkerR3->cRedoDescs = 0;
|
---|
| 2039 | }
|
---|
[82010] | 2040 |
|
---|
[82145] | 2041 | for (int i = 0; i < cReqsRedo; i++)
|
---|
| 2042 | {
|
---|
[84819] | 2043 | uint16_t uVirtqNbr;
|
---|
| 2044 | rc = pHlp->pfnSSMGetU16(pSSM, &uVirtqNbr);
|
---|
[83594] | 2045 | AssertRCReturn(rc, rc);
|
---|
[84819] | 2046 | AssertReturn(uVirtqNbr < VIRTIOSCSI_VIRTQ_CNT,
|
---|
[83594] | 2047 | pHlp->pfnSSMSetLoadError(pSSM, VERR_SSM_DATA_UNIT_FORMAT_CHANGED, RT_SRC_POS,
|
---|
| 2048 | N_("Bad queue index for re-do in saved state (%#x, max %#x)"),
|
---|
[84819] | 2049 | uVirtqNbr, VIRTIOSCSI_VIRTQ_CNT - 1));
|
---|
[82010] | 2050 |
|
---|
[83594] | 2051 | uint16_t idxHead;
|
---|
| 2052 | rc = pHlp->pfnSSMGetU16(pSSM, &idxHead);
|
---|
| 2053 | AssertRCReturn(rc, rc);
|
---|
[91703] | 2054 | AssertReturn(idxHead < VIRTQ_SIZE,
|
---|
[83594] | 2055 | pHlp->pfnSSMSetLoadError(pSSM, VERR_SSM_DATA_UNIT_FORMAT_CHANGED, RT_SRC_POS,
|
---|
| 2056 | N_("Bad queue element index for re-do in saved state (%#x, max %#x)"),
|
---|
[91703] | 2057 | idxHead, VIRTQ_SIZE - 1));
|
---|
[82010] | 2058 |
|
---|
[84819] | 2059 | PVIRTIOSCSIWORKERR3 pWorkerR3 = &pThisCC->aWorkers[uVirtqNbr];
|
---|
[83594] | 2060 | pWorkerR3->auRedoDescs[pWorkerR3->cRedoDescs++] = idxHead;
|
---|
[91703] | 2061 | pWorkerR3->cRedoDescs %= VIRTQ_SIZE;
|
---|
[82145] | 2062 | }
|
---|
[82010] | 2063 | }
|
---|
| 2064 |
|
---|
[81658] | 2065 | /*
|
---|
| 2066 | * Call the virtio core to let it load its state.
|
---|
| 2067 | */
|
---|
[92939] | 2068 | rc = virtioCoreR3ModernDeviceLoadExec(&pThis->Virtio, pDevIns->pHlpR3, pSSM,
|
---|
| 2069 | uVersion, VIRTIOSCSI_SAVED_STATE_VERSION, pThis->virtioScsiConfig.uNumVirtqs);
|
---|
[81973] | 2070 |
|
---|
| 2071 | /*
|
---|
| 2072 | * Nudge request queue workers
|
---|
| 2073 | */
|
---|
[84819] | 2074 | for (int uVirtqNbr = VIRTQ_REQ_BASE; uVirtqNbr < VIRTIOSCSI_VIRTQ_CNT; uVirtqNbr++)
|
---|
[81973] | 2075 | {
|
---|
[84819] | 2076 | if (pThis->afVirtqAttached[uVirtqNbr])
|
---|
[81973] | 2077 | {
|
---|
[84819] | 2078 | LogFunc(("Waking %s worker.\n", VIRTQNAME(uVirtqNbr)));
|
---|
| 2079 | int rc2 = PDMDevHlpSUPSemEventSignal(pDevIns, pThis->aWorkers[uVirtqNbr].hEvtProcess);
|
---|
[83594] | 2080 | AssertRCReturn(rc, rc2);
|
---|
[81973] | 2081 | }
|
---|
| 2082 | }
|
---|
[83594] | 2083 |
|
---|
[81973] | 2084 | return rc;
|
---|
[81645] | 2085 | }
|
---|
| 2086 |
|
---|
| 2087 | /**
|
---|
| 2088 | * @callback_method_impl{FNSSMDEVSAVEEXEC}
|
---|
| 2089 | */
|
---|
| 2090 | static DECLCALLBACK(int) virtioScsiR3SaveExec(PPDMDEVINS pDevIns, PSSMHANDLE pSSM)
|
---|
| 2091 | {
|
---|
[81675] | 2092 | PVIRTIOSCSI pThis = PDMDEVINS_2_DATA(pDevIns, PVIRTIOSCSI);
|
---|
[81973] | 2093 | PVIRTIOSCSICC pThisCC = PDMDEVINS_2_DATA_CC(pDevIns, PVIRTIOSCSICC);
|
---|
[81677] | 2094 | PCPDMDEVHLPR3 pHlp = pDevIns->pHlpR3;
|
---|
[82145] | 2095 |
|
---|
[81645] | 2096 | LogFunc(("SAVE EXEC!!\n"));
|
---|
| 2097 |
|
---|
[84819] | 2098 | for (int uVirtqNbr = 0; uVirtqNbr < VIRTIOSCSI_VIRTQ_CNT; uVirtqNbr++)
|
---|
| 2099 | pHlp->pfnSSMPutBool(pSSM, pThis->afVirtqAttached[uVirtqNbr]);
|
---|
[82010] | 2100 |
|
---|
[84803] | 2101 | pHlp->pfnSSMPutU32(pSSM, pThis->virtioScsiConfig.uNumVirtqs);
|
---|
[82010] | 2102 | pHlp->pfnSSMPutU32(pSSM, pThis->virtioScsiConfig.uSegMax);
|
---|
| 2103 | pHlp->pfnSSMPutU32(pSSM, pThis->virtioScsiConfig.uMaxSectors);
|
---|
| 2104 | pHlp->pfnSSMPutU32(pSSM, pThis->virtioScsiConfig.uCmdPerLun);
|
---|
| 2105 | pHlp->pfnSSMPutU32(pSSM, pThis->virtioScsiConfig.uEventInfoSize);
|
---|
| 2106 | pHlp->pfnSSMPutU32(pSSM, pThis->virtioScsiConfig.uSenseSize);
|
---|
| 2107 | pHlp->pfnSSMPutU32(pSSM, pThis->virtioScsiConfig.uCdbSize);
|
---|
| 2108 | pHlp->pfnSSMPutU16(pSSM, pThis->virtioScsiConfig.uMaxChannel);
|
---|
| 2109 | pHlp->pfnSSMPutU16(pSSM, pThis->virtioScsiConfig.uMaxTarget);
|
---|
| 2110 | pHlp->pfnSSMPutU32(pSSM, pThis->virtioScsiConfig.uMaxLun);
|
---|
| 2111 | pHlp->pfnSSMPutU32(pSSM, pThis->fAsyncEvtsEnabled);
|
---|
| 2112 | pHlp->pfnSSMPutBool(pSSM, pThis->fEventsMissed);
|
---|
| 2113 | pHlp->pfnSSMPutU32(pSSM, pThis->fVirtioReady);
|
---|
| 2114 | pHlp->pfnSSMPutU32(pSSM, pThis->fHasT10pi);
|
---|
| 2115 | pHlp->pfnSSMPutU32(pSSM, pThis->fHasHotplug);
|
---|
| 2116 | pHlp->pfnSSMPutU32(pSSM, pThis->fHasInOutBufs);
|
---|
| 2117 | pHlp->pfnSSMPutU32(pSSM, pThis->fHasLunChange);
|
---|
| 2118 | pHlp->pfnSSMPutU32(pSSM, pThis->fResetting);
|
---|
| 2119 |
|
---|
| 2120 | AssertMsg(!pThis->cActiveReqs, ("There are still outstanding requests on this device\n"));
|
---|
| 2121 |
|
---|
| 2122 | pHlp->pfnSSMPutU32(pSSM, pThis->cTargets);
|
---|
| 2123 |
|
---|
| 2124 | for (uint16_t uTarget = 0; uTarget < pThis->cTargets; uTarget++)
|
---|
[81973] | 2125 | {
|
---|
[82010] | 2126 | PVIRTIOSCSITARGET pTarget = &pThisCC->paTargetInstances[uTarget];
|
---|
[81973] | 2127 |
|
---|
| 2128 | /* Query all suspended requests and store them in the request queue. */
|
---|
| 2129 | if (pTarget->pDrvMediaEx)
|
---|
| 2130 | {
|
---|
| 2131 | uint32_t cReqsRedo = pTarget->pDrvMediaEx->pfnIoReqGetSuspendedCount(pTarget->pDrvMediaEx);
|
---|
[82010] | 2132 |
|
---|
| 2133 | pHlp->pfnSSMPutU16(pSSM, cReqsRedo);
|
---|
| 2134 |
|
---|
[81973] | 2135 | if (cReqsRedo)
|
---|
| 2136 | {
|
---|
| 2137 | PDMMEDIAEXIOREQ hIoReq;
|
---|
| 2138 | PVIRTIOSCSIREQ pReq;
|
---|
[82010] | 2139 |
|
---|
[81973] | 2140 | int rc = pTarget->pDrvMediaEx->pfnIoReqQuerySuspendedStart(pTarget->pDrvMediaEx, &hIoReq,
|
---|
| 2141 | (void **)&pReq);
|
---|
| 2142 | AssertRCBreak(rc);
|
---|
| 2143 |
|
---|
[82010] | 2144 | while(--cReqsRedo)
|
---|
[81973] | 2145 | {
|
---|
[84819] | 2146 | pHlp->pfnSSMPutU16(pSSM, pReq->uVirtqNbr);
|
---|
| 2147 | pHlp->pfnSSMPutU16(pSSM, pReq->pVirtqBuf->uHeadIdx);
|
---|
[81973] | 2148 |
|
---|
[82010] | 2149 | rc = pTarget->pDrvMediaEx->pfnIoReqQuerySuspendedNext(pTarget->pDrvMediaEx, hIoReq,
|
---|
| 2150 | &hIoReq, (void **)&pReq);
|
---|
| 2151 | AssertRCBreak(rc);
|
---|
[81973] | 2152 | }
|
---|
| 2153 | }
|
---|
| 2154 | }
|
---|
| 2155 | }
|
---|
[81645] | 2156 |
|
---|
[81658] | 2157 | /*
|
---|
| 2158 | * Call the virtio core to let it save its state.
|
---|
| 2159 | */
|
---|
[92939] | 2160 | return virtioCoreR3SaveExec(&pThis->Virtio, pDevIns->pHlpR3, pSSM, VIRTIOSCSI_SAVED_STATE_VERSION, VIRTIOSCSI_VIRTQ_CNT);
|
---|
[81645] | 2161 | }
|
---|
| 2162 |
|
---|
| 2163 |
|
---|
| 2164 | /*********************************************************************************************************************************
|
---|
[81634] | 2165 | * Device interface. *
|
---|
| 2166 | *********************************************************************************************************************************/
|
---|
| 2167 |
|
---|
[80058] | 2168 | /**
|
---|
[81634] | 2169 | * @interface_method_impl{PDMDEVREGR3,pfnDetach}
|
---|
[79928] | 2170 | *
|
---|
| 2171 | * One harddisk at one port has been unplugged.
|
---|
| 2172 | * The VM is suspended at this point.
|
---|
| 2173 | */
|
---|
[82151] | 2174 | static DECLCALLBACK(void) virtioScsiR3Detach(PPDMDEVINS pDevIns, unsigned uTarget, uint32_t fFlags)
|
---|
[79928] | 2175 | {
|
---|
[81675] | 2176 | PVIRTIOSCSI pThis = PDMDEVINS_2_DATA(pDevIns, PVIRTIOSCSI);
|
---|
| 2177 | PVIRTIOSCSICC pThisCC = PDMDEVINS_2_DATA_CC(pDevIns, PVIRTIOSCSICC);
|
---|
[82151] | 2178 | AssertReturnVoid(uTarget < pThis->cTargets);
|
---|
| 2179 | PVIRTIOSCSITARGET pTarget = &pThisCC->paTargetInstances[uTarget];
|
---|
[79535] | 2180 |
|
---|
[80058] | 2181 | LogFunc((""));
|
---|
[79928] | 2182 |
|
---|
| 2183 | AssertMsg(fFlags & PDM_TACH_FLAGS_NOT_HOT_PLUG,
|
---|
| 2184 | ("virtio-scsi: Device does not support hotplugging\n"));
|
---|
[81634] | 2185 | RT_NOREF(fFlags);
|
---|
[79928] | 2186 |
|
---|
| 2187 | /*
|
---|
[81675] | 2188 | * Zero all important members.
|
---|
[79928] | 2189 | */
|
---|
[81675] | 2190 | pTarget->fPresent = false;
|
---|
| 2191 | pTarget->pDrvBase = NULL;
|
---|
| 2192 | pTarget->pDrvMedia = NULL;
|
---|
| 2193 | pTarget->pDrvMediaEx = NULL;
|
---|
[79928] | 2194 | }
|
---|
| 2195 |
|
---|
[79535] | 2196 | /**
|
---|
[81634] | 2197 | * @interface_method_impl{PDMDEVREGR3,pfnAttach}
|
---|
[79492] | 2198 | *
|
---|
[79928] | 2199 | * This is called when we change block driver.
|
---|
[79492] | 2200 | */
|
---|
[82151] | 2201 | static DECLCALLBACK(int) virtioScsiR3Attach(PPDMDEVINS pDevIns, unsigned uTarget, uint32_t fFlags)
|
---|
[79492] | 2202 | {
|
---|
[81591] | 2203 | PVIRTIOSCSI pThis = PDMDEVINS_2_DATA(pDevIns, PVIRTIOSCSI);
|
---|
[81675] | 2204 | PVIRTIOSCSICC pThisCC = PDMDEVINS_2_DATA_CC(pDevIns, PVIRTIOSCSICC);
|
---|
[82151] | 2205 | AssertReturn(uTarget < pThis->cTargets, VERR_PDM_LUN_NOT_FOUND);
|
---|
| 2206 | PVIRTIOSCSITARGET pTarget = &pThisCC->paTargetInstances[uTarget];
|
---|
[79492] | 2207 |
|
---|
[81675] | 2208 | Assert(pTarget->pDevIns == pDevIns);
|
---|
[79928] | 2209 | AssertMsgReturn(fFlags & PDM_TACH_FLAGS_NOT_HOT_PLUG,
|
---|
| 2210 | ("virtio-scsi: Device does not support hotplugging\n"),
|
---|
| 2211 | VERR_INVALID_PARAMETER);
|
---|
| 2212 |
|
---|
[80058] | 2213 | AssertRelease(!pTarget->pDrvBase);
|
---|
[82151] | 2214 | Assert(pTarget->uTarget == uTarget);
|
---|
[79928] | 2215 |
|
---|
| 2216 | /*
|
---|
[82151] | 2217 | * Try attach the SCSI driver and get the interfaces, required as well as optional.
|
---|
[79928] | 2218 | */
|
---|
[82151] | 2219 | int rc = PDMDevHlpDriverAttach(pDevIns, pTarget->uTarget, &pDevIns->IBase, &pTarget->pDrvBase, pTarget->pszTargetName);
|
---|
[79928] | 2220 | if (RT_SUCCESS(rc))
|
---|
[81675] | 2221 | {
|
---|
[79928] | 2222 | pTarget->fPresent = true;
|
---|
[81814] | 2223 | pTarget->pDrvMedia = PDMIBASE_QUERY_INTERFACE(pTarget->pDrvBase, PDMIMEDIA);
|
---|
[90791] | 2224 | AssertMsgReturn(RT_VALID_PTR(pTarget->pDrvMedia),
|
---|
[82151] | 2225 | ("virtio-scsi configuration error: LUN#%d missing basic media interface!\n", uTarget),
|
---|
[81814] | 2226 | VERR_PDM_MISSING_INTERFACE);
|
---|
| 2227 |
|
---|
| 2228 | /* Get the extended media interface. */
|
---|
| 2229 | pTarget->pDrvMediaEx = PDMIBASE_QUERY_INTERFACE(pTarget->pDrvBase, PDMIMEDIAEX);
|
---|
[90791] | 2230 | AssertMsgReturn(RT_VALID_PTR(pTarget->pDrvMediaEx),
|
---|
[82151] | 2231 | ("virtio-scsi configuration error: LUN#%d missing extended media interface!\n", uTarget),
|
---|
[81814] | 2232 | VERR_PDM_MISSING_INTERFACE);
|
---|
| 2233 |
|
---|
| 2234 | rc = pTarget->pDrvMediaEx->pfnIoReqAllocSizeSet(pTarget->pDrvMediaEx, sizeof(VIRTIOSCSIREQ));
|
---|
[90791] | 2235 | AssertMsgReturn(RT_VALID_PTR(pTarget->pDrvMediaEx),
|
---|
[82151] | 2236 | ("virtio-scsi configuration error: LUN#%u: Failed to set I/O request size!\n", uTarget),
|
---|
[81814] | 2237 | rc);
|
---|
[81675] | 2238 | }
|
---|
[79928] | 2239 | else
|
---|
[80762] | 2240 | AssertMsgFailed(("Failed to attach %s. rc=%Rrc\n", pTarget->pszTargetName, rc));
|
---|
[79928] | 2241 |
|
---|
| 2242 | if (RT_FAILURE(rc))
|
---|
| 2243 | {
|
---|
[81675] | 2244 | pTarget->fPresent = false;
|
---|
| 2245 | pTarget->pDrvBase = NULL;
|
---|
| 2246 | pTarget->pDrvMedia = NULL;
|
---|
| 2247 | pTarget->pDrvMediaEx = NULL;
|
---|
[82151] | 2248 | pThisCC->pMediaNotify = NULL;
|
---|
[79928] | 2249 | }
|
---|
| 2250 | return rc;
|
---|
[79492] | 2251 | }
|
---|
| 2252 |
|
---|
[81634] | 2253 | /**
|
---|
[81645] | 2254 | * @callback_method_impl{FNPDMDEVASYNCNOTIFY}
|
---|
| 2255 | */
|
---|
| 2256 | static DECLCALLBACK(bool) virtioScsiR3DeviceQuiesced(PPDMDEVINS pDevIns)
|
---|
| 2257 | {
|
---|
[81675] | 2258 | PVIRTIOSCSI pThis = PDMDEVINS_2_DATA(pDevIns, PVIRTIOSCSI);
|
---|
| 2259 | PVIRTIOSCSICC pThisCC = PDMDEVINS_2_DATA_CC(pDevIns, PVIRTIOSCSICC);
|
---|
[81645] | 2260 |
|
---|
[81973] | 2261 | if (ASMAtomicReadU32(&pThis->cActiveReqs))
|
---|
| 2262 | return false;
|
---|
[81660] | 2263 |
|
---|
[82010] | 2264 | LogFunc(("Device I/O activity quiesced: %s\n",
|
---|
[81973] | 2265 | virtioCoreGetStateChangeText(pThisCC->enmQuiescingFor)));
|
---|
| 2266 |
|
---|
[82145] | 2267 | virtioCoreR3VmStateChanged(&pThis->Virtio, pThisCC->enmQuiescingFor);
|
---|
[81973] | 2268 |
|
---|
| 2269 | pThis->fResetting = false;
|
---|
[81675] | 2270 | pThisCC->fQuiescing = false;
|
---|
[81973] | 2271 |
|
---|
[81645] | 2272 | return true;
|
---|
| 2273 | }
|
---|
| 2274 |
|
---|
| 2275 | /**
|
---|
| 2276 | * Worker for virtioScsiR3Reset() and virtioScsiR3SuspendOrPowerOff().
|
---|
| 2277 | */
|
---|
[81973] | 2278 | static void virtioScsiR3QuiesceDevice(PPDMDEVINS pDevIns, VIRTIOVMSTATECHANGED enmQuiscingFor)
|
---|
[81645] | 2279 | {
|
---|
[81675] | 2280 | PVIRTIOSCSI pThis = PDMDEVINS_2_DATA(pDevIns, PVIRTIOSCSI);
|
---|
| 2281 | PVIRTIOSCSICC pThisCC = PDMDEVINS_2_DATA_CC(pDevIns, PVIRTIOSCSICC);
|
---|
[81645] | 2282 |
|
---|
| 2283 | /* Prevent worker threads from removing/processing elements from virtq's */
|
---|
[81675] | 2284 | pThisCC->fQuiescing = true;
|
---|
| 2285 | pThisCC->enmQuiescingFor = enmQuiscingFor;
|
---|
[81645] | 2286 |
|
---|
| 2287 | PDMDevHlpSetAsyncNotification(pDevIns, virtioScsiR3DeviceQuiesced);
|
---|
| 2288 |
|
---|
| 2289 | /* If already quiesced invoke async callback. */
|
---|
| 2290 | if (!ASMAtomicReadU32(&pThis->cActiveReqs))
|
---|
| 2291 | PDMDevHlpAsyncNotificationCompleted(pDevIns);
|
---|
| 2292 | }
|
---|
| 2293 |
|
---|
| 2294 | /**
|
---|
[81973] | 2295 | * @interface_method_impl{PDMDEVREGR3,pfnReset}
|
---|
[81660] | 2296 | */
|
---|
[81973] | 2297 | static DECLCALLBACK(void) virtioScsiR3Reset(PPDMDEVINS pDevIns)
|
---|
[81660] | 2298 | {
|
---|
[81973] | 2299 | LogFunc(("\n"));
|
---|
| 2300 | PVIRTIOSCSI pThis = PDMDEVINS_2_DATA(pDevIns, PVIRTIOSCSI);
|
---|
| 2301 | pThis->fResetting = true;
|
---|
| 2302 | virtioScsiR3QuiesceDevice(pDevIns, kvirtIoVmStateChangedReset);
|
---|
| 2303 | }
|
---|
| 2304 |
|
---|
| 2305 | /**
|
---|
| 2306 | * @interface_method_impl{PDMDEVREGR3,pfnPowerOff}
|
---|
| 2307 | */
|
---|
| 2308 | static DECLCALLBACK(void) virtioScsiR3SuspendOrPowerOff(PPDMDEVINS pDevIns, VIRTIOVMSTATECHANGED enmType)
|
---|
| 2309 | {
|
---|
| 2310 | LogFunc(("\n"));
|
---|
| 2311 |
|
---|
[81675] | 2312 | PVIRTIOSCSI pThis = PDMDEVINS_2_DATA(pDevIns, PVIRTIOSCSI);
|
---|
| 2313 | PVIRTIOSCSICC pThisCC = PDMDEVINS_2_DATA_CC(pDevIns, PVIRTIOSCSICC);
|
---|
[81660] | 2314 |
|
---|
| 2315 | /* VM is halted, thus no new I/O being dumped into queues by the guest.
|
---|
| 2316 | * Workers have been flagged to stop pulling stuff already queued-up by the guest.
|
---|
| 2317 | * Now tell lower-level to to suspend reqs (for example, DrvVD suspends all reqs
|
---|
| 2318 | * on its wait queue, and we will get a callback as the state changes to
|
---|
| 2319 | * suspended (and later, resumed) for each).
|
---|
| 2320 | */
|
---|
| 2321 | for (uint32_t i = 0; i < pThis->cTargets; i++)
|
---|
| 2322 | {
|
---|
[81675] | 2323 | PVIRTIOSCSITARGET pTarget = &pThisCC->paTargetInstances[i];
|
---|
| 2324 | if (pTarget->pDrvMediaEx)
|
---|
| 2325 | pTarget->pDrvMediaEx->pfnNotifySuspend(pTarget->pDrvMediaEx);
|
---|
[81660] | 2326 | }
|
---|
[82145] | 2327 |
|
---|
| 2328 | virtioScsiR3QuiesceDevice(pDevIns, enmType);
|
---|
[81660] | 2329 | }
|
---|
| 2330 |
|
---|
| 2331 | /**
|
---|
[81973] | 2332 | * @interface_method_impl{PDMDEVREGR3,pfnSuspend}
|
---|
[81660] | 2333 | */
|
---|
| 2334 | static DECLCALLBACK(void) virtioScsiR3PowerOff(PPDMDEVINS pDevIns)
|
---|
| 2335 | {
|
---|
| 2336 | LogFunc(("\n"));
|
---|
[81973] | 2337 | virtioScsiR3SuspendOrPowerOff(pDevIns, kvirtIoVmStateChangedPowerOff);
|
---|
[81660] | 2338 | }
|
---|
| 2339 |
|
---|
| 2340 | /**
|
---|
| 2341 | * @interface_method_impl{PDMDEVREGR3,pfnSuspend}
|
---|
| 2342 | */
|
---|
| 2343 | static DECLCALLBACK(void) virtioScsiR3Suspend(PPDMDEVINS pDevIns)
|
---|
| 2344 | {
|
---|
| 2345 | LogFunc(("\n"));
|
---|
[81973] | 2346 | virtioScsiR3SuspendOrPowerOff(pDevIns, kvirtIoVmStateChangedSuspend);
|
---|
[81660] | 2347 | }
|
---|
| 2348 |
|
---|
| 2349 | /**
|
---|
[81645] | 2350 | * @interface_method_impl{PDMDEVREGR3,pfnResume}
|
---|
| 2351 | */
|
---|
| 2352 | static DECLCALLBACK(void) virtioScsiR3Resume(PPDMDEVINS pDevIns)
|
---|
| 2353 | {
|
---|
[81675] | 2354 | PVIRTIOSCSI pThis = PDMDEVINS_2_DATA(pDevIns, PVIRTIOSCSI);
|
---|
| 2355 | PVIRTIOSCSICC pThisCC = PDMDEVINS_2_DATA_CC(pDevIns, PVIRTIOSCSICC);
|
---|
[81645] | 2356 | LogFunc(("\n"));
|
---|
| 2357 |
|
---|
[81675] | 2358 | pThisCC->fQuiescing = false;
|
---|
[81645] | 2359 |
|
---|
| 2360 | /* Wake worker threads flagged to skip pulling queue entries during quiesce
|
---|
| 2361 | * to ensure they re-check their queues. Active request queues may already
|
---|
| 2362 | * be awake due to new reqs coming in.
|
---|
| 2363 | */
|
---|
[84819] | 2364 | for (uint16_t uVirtqNbr = 0; uVirtqNbr < VIRTIOSCSI_REQ_VIRTQ_CNT; uVirtqNbr++)
|
---|
[81645] | 2365 | {
|
---|
[93613] | 2366 | if ( virtioCoreIsVirtqEnabled(&pThis->Virtio, uVirtqNbr)
|
---|
| 2367 | && ASMAtomicReadBool(&pThis->aWorkers[uVirtqNbr].fSleeping))
|
---|
[81645] | 2368 | {
|
---|
[84819] | 2369 | Log6Func(("waking %s worker.\n", VIRTQNAME(uVirtqNbr)));
|
---|
| 2370 | int rc = PDMDevHlpSUPSemEventSignal(pDevIns, pThis->aWorkers[uVirtqNbr].hEvtProcess);
|
---|
[81645] | 2371 | AssertRC(rc);
|
---|
| 2372 | }
|
---|
| 2373 | }
|
---|
| 2374 | /* Ensure guest is working the queues too. */
|
---|
[82145] | 2375 | virtioCoreR3VmStateChanged(&pThis->Virtio, kvirtIoVmStateChangedResume);
|
---|
[81645] | 2376 | }
|
---|
| 2377 |
|
---|
| 2378 | /**
|
---|
[81973] | 2379 | * @interface_method_impl{PDMIMEDIAEXPORT,pfnMediumEjected}
|
---|
[81645] | 2380 | */
|
---|
[81973] | 2381 | static DECLCALLBACK(void) virtioScsiR3MediumEjected(PPDMIMEDIAEXPORT pInterface)
|
---|
[81645] | 2382 | {
|
---|
[81973] | 2383 | PVIRTIOSCSITARGET pTarget = RT_FROM_MEMBER(pInterface, VIRTIOSCSITARGET, IMediaExPort);
|
---|
| 2384 | PPDMDEVINS pDevIns = pTarget->pDevIns;
|
---|
| 2385 | PVIRTIOSCSICC pThisCC = PDMDEVINS_2_DATA_CC(pDevIns, PVIRTIOSCSICC);
|
---|
| 2386 |
|
---|
[82559] | 2387 | #if 0 /* need more info about how to use this event. The VirtIO 1.0 specification
|
---|
| 2388 | * lists several SCSI related event types but presumes the reader knows
|
---|
| 2389 | * how to use them without providing references. */
|
---|
[82151] | 2390 | virtioScsiR3ReportMediaChange(pDevIns, pThis, pTarget->uTarget);
|
---|
| 2391 | #endif
|
---|
| 2392 |
|
---|
[81973] | 2393 | if (pThisCC->pMediaNotify)
|
---|
| 2394 | {
|
---|
[91920] | 2395 | int rc = PDMDevHlpVMReqCallNoWait(pDevIns, VMCPUID_ANY,
|
---|
| 2396 | (PFNRT)pThisCC->pMediaNotify->pfnEjected, 2,
|
---|
| 2397 | pThisCC->pMediaNotify, pTarget->uTarget);
|
---|
[81973] | 2398 | AssertRC(rc);
|
---|
| 2399 | }
|
---|
[81645] | 2400 | }
|
---|
| 2401 |
|
---|
| 2402 | /**
|
---|
[81973] | 2403 | * @interface_method_impl{PDMIMEDIAEXPORT,pfnIoReqStateChanged}
|
---|
| 2404 | */
|
---|
| 2405 | static DECLCALLBACK(void) virtioScsiR3IoReqStateChanged(PPDMIMEDIAEXPORT pInterface, PDMMEDIAEXIOREQ hIoReq,
|
---|
| 2406 | void *pvIoReqAlloc, PDMMEDIAEXIOREQSTATE enmState)
|
---|
| 2407 | {
|
---|
| 2408 | PVIRTIOSCSITARGET pTarget = RT_FROM_MEMBER(pInterface, VIRTIOSCSITARGET, IMediaExPort);
|
---|
| 2409 | PPDMDEVINS pDevIns = pTarget->pDevIns;
|
---|
| 2410 | PVIRTIOSCSI pThis = PDMDEVINS_2_DATA(pDevIns, PVIRTIOSCSI);
|
---|
| 2411 | PVIRTIOSCSICC pThisCC = PDMDEVINS_2_DATA_CC(pDevIns, PVIRTIOSCSICC);
|
---|
| 2412 | RT_NOREF(hIoReq, pvIoReqAlloc);
|
---|
| 2413 |
|
---|
| 2414 | switch (enmState)
|
---|
| 2415 | {
|
---|
| 2416 | case PDMMEDIAEXIOREQSTATE_SUSPENDED:
|
---|
| 2417 | {
|
---|
| 2418 | /* Stop considering this request active */
|
---|
[97400] | 2419 | virtioScsiR3Release(pDevIns, pThis, pThisCC);
|
---|
[81973] | 2420 | break;
|
---|
| 2421 | }
|
---|
| 2422 | case PDMMEDIAEXIOREQSTATE_ACTIVE:
|
---|
[97400] | 2423 | virtioScsiR3Retain(pThis);
|
---|
[81973] | 2424 | break;
|
---|
| 2425 | default:
|
---|
| 2426 | AssertMsgFailed(("Invalid request state given %u\n", enmState));
|
---|
| 2427 | }
|
---|
| 2428 | }
|
---|
| 2429 |
|
---|
| 2430 | /**
|
---|
[81634] | 2431 | * @interface_method_impl{PDMDEVREGR3,pfnDestruct}
|
---|
| 2432 | */
|
---|
| 2433 | static DECLCALLBACK(int) virtioScsiR3Destruct(PPDMDEVINS pDevIns)
|
---|
[79289] | 2434 | {
|
---|
| 2435 | PDMDEV_CHECK_VERSIONS_RETURN_QUIET(pDevIns);
|
---|
[81675] | 2436 | PVIRTIOSCSI pThis = PDMDEVINS_2_DATA(pDevIns, PVIRTIOSCSI);
|
---|
| 2437 | PVIRTIOSCSICC pThisCC = PDMDEVINS_2_DATA_CC(pDevIns, PVIRTIOSCSICC);
|
---|
[80383] | 2438 |
|
---|
[81675] | 2439 | RTMemFree(pThisCC->paTargetInstances);
|
---|
| 2440 | pThisCC->paTargetInstances = NULL;
|
---|
[82151] | 2441 | pThisCC->pMediaNotify = NULL;
|
---|
[81662] | 2442 |
|
---|
[84819] | 2443 | for (unsigned uVirtqNbr = 0; uVirtqNbr < VIRTIOSCSI_VIRTQ_CNT; uVirtqNbr++)
|
---|
[80383] | 2444 | {
|
---|
[84819] | 2445 | PVIRTIOSCSIWORKER pWorker = &pThis->aWorkers[uVirtqNbr];
|
---|
[80383] | 2446 | if (pWorker->hEvtProcess != NIL_SUPSEMEVENT)
|
---|
| 2447 | {
|
---|
[81675] | 2448 | PDMDevHlpSUPSemEventClose(pDevIns, pWorker->hEvtProcess);
|
---|
[80383] | 2449 | pWorker->hEvtProcess = NIL_SUPSEMEVENT;
|
---|
| 2450 | }
|
---|
[82863] | 2451 |
|
---|
[84819] | 2452 | if (pThisCC->aWorkers[uVirtqNbr].pThread)
|
---|
[82863] | 2453 | {
|
---|
| 2454 | /* Destroy the thread. */
|
---|
| 2455 | int rcThread;
|
---|
[84819] | 2456 | int rc = PDMDevHlpThreadDestroy(pDevIns, pThisCC->aWorkers[uVirtqNbr].pThread, &rcThread);
|
---|
[82863] | 2457 | if (RT_FAILURE(rc) || RT_FAILURE(rcThread))
|
---|
| 2458 | AssertMsgFailed(("%s Failed to destroythread rc=%Rrc rcThread=%Rrc\n",
|
---|
| 2459 | __FUNCTION__, rc, rcThread));
|
---|
[84819] | 2460 | pThisCC->aWorkers[uVirtqNbr].pThread = NULL;
|
---|
[82863] | 2461 | }
|
---|
[98661] | 2462 |
|
---|
| 2463 | if (RTCritSectIsInitialized(&pThisCC->aWorkers[uVirtqNbr].CritSectVirtq))
|
---|
| 2464 | RTCritSectDelete(&pThisCC->aWorkers[uVirtqNbr].CritSectVirtq);
|
---|
[80383] | 2465 | }
|
---|
[81660] | 2466 |
|
---|
[81678] | 2467 | virtioCoreR3Term(pDevIns, &pThis->Virtio, &pThisCC->Virtio);
|
---|
[81660] | 2468 | return VINF_SUCCESS;
|
---|
[79289] | 2469 | }
|
---|
| 2470 |
|
---|
[81634] | 2471 | /**
|
---|
| 2472 | * @interface_method_impl{PDMDEVREGR3,pfnConstruct}
|
---|
| 2473 | */
|
---|
| 2474 | static DECLCALLBACK(int) virtioScsiR3Construct(PPDMDEVINS pDevIns, int iInstance, PCFGMNODE pCfg)
|
---|
| 2475 | {
|
---|
[79928] | 2476 | PDMDEV_CHECK_VERSIONS_RETURN(pDevIns);
|
---|
[81675] | 2477 | PVIRTIOSCSI pThis = PDMDEVINS_2_DATA(pDevIns, PVIRTIOSCSI);
|
---|
| 2478 | PVIRTIOSCSICC pThisCC = PDMDEVINS_2_DATA_CC(pDevIns, PVIRTIOSCSICC);
|
---|
| 2479 | PCPDMDEVHLPR3 pHlp = pDevIns->pHlpR3;
|
---|
[80058] | 2480 |
|
---|
[81662] | 2481 | /*
|
---|
| 2482 | * Quick initialization of the state data, making sure that the destructor always works.
|
---|
| 2483 | */
|
---|
[81675] | 2484 | pThisCC->pDevIns = pDevIns;
|
---|
[80058] | 2485 |
|
---|
[79928] | 2486 | LogFunc(("PDM device instance: %d\n", iInstance));
|
---|
[81662] | 2487 | RTStrPrintf(pThis->szInstance, sizeof(pThis->szInstance), "VIRTIOSCSI%d", iInstance);
|
---|
[79289] | 2488 |
|
---|
[81675] | 2489 | pThisCC->IBase.pfnQueryInterface = virtioScsiR3DeviceQueryInterface;
|
---|
| 2490 | pThisCC->ILeds.pfnQueryStatusLed = virtioScsiR3DeviceQueryStatusLed;
|
---|
[80762] | 2491 |
|
---|
[79289] | 2492 | /*
|
---|
| 2493 | * Validate and read configuration.
|
---|
| 2494 | */
|
---|
[100400] | 2495 | PDMDEV_VALIDATE_CONFIG_RETURN(pDevIns, "NumTargets"
|
---|
| 2496 | "|Bootable"
|
---|
| 2497 | "|MmioBase"
|
---|
| 2498 | "|Irq", "");
|
---|
[79289] | 2499 |
|
---|
[81662] | 2500 | int rc = pHlp->pfnCFGMQueryU32Def(pCfg, "NumTargets", &pThis->cTargets, 1);
|
---|
[79289] | 2501 | if (RT_FAILURE(rc))
|
---|
[81662] | 2502 | return PDMDEV_SET_ERROR(pDevIns, rc, N_("virtio-scsi configuration error: failed to read NumTargets as integer"));
|
---|
| 2503 | if (pThis->cTargets < 1 || pThis->cTargets > VIRTIOSCSI_MAX_TARGETS)
|
---|
| 2504 | return PDMDevHlpVMSetError(pDevIns, rc, RT_SRC_POS,
|
---|
| 2505 | N_("virtio-scsi configuration error: NumTargets=%u is out of range (1..%u)"),
|
---|
| 2506 | pThis->cTargets, VIRTIOSCSI_MAX_TARGETS);
|
---|
[79289] | 2507 |
|
---|
[81662] | 2508 | rc = pHlp->pfnCFGMQueryBoolDef(pCfg, "Bootable", &pThis->fBootable, true);
|
---|
[79289] | 2509 | if (RT_FAILURE(rc))
|
---|
[81662] | 2510 | return PDMDEV_SET_ERROR(pDevIns, rc, N_("virtio-scsi configuration error: failed to read Bootable as boolean"));
|
---|
[79289] | 2511 |
|
---|
[81662] | 2512 | LogRel(("%s: Targets=%u Bootable=%RTbool (unimplemented) R0Enabled=%RTbool RCEnabled=%RTbool\n",
|
---|
| 2513 | pThis->szInstance, pThis->cTargets, pThis->fBootable, pDevIns->fR0Enabled, pDevIns->fRCEnabled));
|
---|
[80383] | 2514 |
|
---|
| 2515 |
|
---|
[81662] | 2516 | /*
|
---|
| 2517 | * Do core virtio initialization.
|
---|
| 2518 | */
|
---|
[79289] | 2519 |
|
---|
[80148] | 2520 | /* Configure virtio_scsi_config that transacts via VirtIO implementation's Dev. Specific Cap callbacks */
|
---|
[84803] | 2521 | pThis->virtioScsiConfig.uNumVirtqs = VIRTIOSCSI_REQ_VIRTQ_CNT;
|
---|
[80306] | 2522 | pThis->virtioScsiConfig.uSegMax = VIRTIOSCSI_MAX_SEG_COUNT;
|
---|
| 2523 | pThis->virtioScsiConfig.uMaxSectors = VIRTIOSCSI_MAX_SECTORS_HINT;
|
---|
| 2524 | pThis->virtioScsiConfig.uCmdPerLun = VIRTIOSCSI_MAX_COMMANDS_PER_LUN;
|
---|
[81973] | 2525 | pThis->virtioScsiConfig.uEventInfoSize = sizeof(VIRTIOSCSI_EVENT_T); /*VirtIO 1.0 Spec says at least this size! */
|
---|
[80306] | 2526 | pThis->virtioScsiConfig.uSenseSize = VIRTIOSCSI_SENSE_SIZE_DEFAULT;
|
---|
| 2527 | pThis->virtioScsiConfig.uCdbSize = VIRTIOSCSI_CDB_SIZE_DEFAULT;
|
---|
| 2528 | pThis->virtioScsiConfig.uMaxChannel = VIRTIOSCSI_MAX_CHANNEL_HINT;
|
---|
[80148] | 2529 | pThis->virtioScsiConfig.uMaxTarget = pThis->cTargets;
|
---|
[80306] | 2530 | pThis->virtioScsiConfig.uMaxLun = VIRTIOSCSI_MAX_LUN;
|
---|
[80148] | 2531 |
|
---|
[81658] | 2532 | /* Initialize the generic Virtio core: */
|
---|
[84803] | 2533 | pThisCC->Virtio.pfnVirtqNotified = virtioScsiNotified;
|
---|
[81678] | 2534 | pThisCC->Virtio.pfnStatusChanged = virtioScsiR3StatusChanged;
|
---|
| 2535 | pThisCC->Virtio.pfnDevCapRead = virtioScsiR3DevCapRead;
|
---|
| 2536 | pThisCC->Virtio.pfnDevCapWrite = virtioScsiR3DevCapWrite;
|
---|
[80058] | 2537 |
|
---|
[81662] | 2538 | VIRTIOPCIPARAMS VirtioPciParams;
|
---|
[81973] | 2539 | VirtioPciParams.uDeviceId = PCI_DEVICE_ID_VIRTIOSCSI_HOST;
|
---|
| 2540 | VirtioPciParams.uClassBase = PCI_CLASS_BASE_MASS_STORAGE;
|
---|
| 2541 | VirtioPciParams.uClassSub = PCI_CLASS_SUB_SCSI_STORAGE_CONTROLLER;
|
---|
| 2542 | VirtioPciParams.uClassProg = PCI_CLASS_PROG_UNSPECIFIED;
|
---|
| 2543 | VirtioPciParams.uSubsystemId = PCI_DEVICE_ID_VIRTIOSCSI_HOST; /* VirtIO 1.0 spec allows PCI Device ID here */
|
---|
| 2544 | VirtioPciParams.uInterruptLine = 0x00;
|
---|
| 2545 | VirtioPciParams.uInterruptPin = 0x01;
|
---|
[100400] | 2546 | VirtioPciParams.uDeviceType = VIRTIO_DEVICE_TYPE_SCSI_HOST;
|
---|
[81662] | 2547 |
|
---|
[81678] | 2548 | rc = virtioCoreR3Init(pDevIns, &pThis->Virtio, &pThisCC->Virtio, &VirtioPciParams, pThis->szInstance,
|
---|
[92939] | 2549 | VIRTIOSCSI_HOST_SCSI_FEATURES_OFFERED, 0 /*fOfferLegacy*/,
|
---|
[81678] | 2550 | &pThis->virtioScsiConfig /*pvDevSpecificCap*/, sizeof(pThis->virtioScsiConfig));
|
---|
[79336] | 2551 | if (RT_FAILURE(rc))
|
---|
[79928] | 2552 | return PDMDEV_SET_ERROR(pDevIns, rc, N_("virtio-scsi: failed to initialize VirtIO"));
|
---|
[79336] | 2553 |
|
---|
[81662] | 2554 | /*
|
---|
| 2555 | * Initialize queues.
|
---|
| 2556 | */
|
---|
| 2557 |
|
---|
[82042] | 2558 | virtioScsiSetVirtqNames(pThis);
|
---|
[80219] | 2559 |
|
---|
[81660] | 2560 | /* Attach the queues and create worker threads for them: */
|
---|
[84819] | 2561 | for (uint16_t uVirtqNbr = 0; uVirtqNbr < VIRTIOSCSI_VIRTQ_CNT; uVirtqNbr++)
|
---|
[80383] | 2562 | {
|
---|
[85045] | 2563 | rc = virtioCoreR3VirtqAttach(&pThis->Virtio, uVirtqNbr, VIRTQNAME(uVirtqNbr));
|
---|
[81814] | 2564 | if (RT_FAILURE(rc))
|
---|
| 2565 | continue;
|
---|
[84819] | 2566 | if (uVirtqNbr == CONTROLQ_IDX || IS_REQ_VIRTQ(uVirtqNbr))
|
---|
[80383] | 2567 | {
|
---|
[84819] | 2568 | rc = PDMDevHlpThreadCreate(pDevIns, &pThisCC->aWorkers[uVirtqNbr].pThread,
|
---|
| 2569 | (void *)(uintptr_t)uVirtqNbr, virtioScsiR3WorkerThread,
|
---|
| 2570 | virtioScsiR3WorkerWakeUp, 0, RTTHREADTYPE_IO, VIRTQNAME(uVirtqNbr));
|
---|
[80383] | 2571 | if (rc != VINF_SUCCESS)
|
---|
| 2572 | {
|
---|
[84819] | 2573 | LogRel(("Error creating thread for Virtual Virtq %s: %Rrc\n", VIRTQNAME(uVirtqNbr), rc));
|
---|
[80383] | 2574 | return rc;
|
---|
| 2575 | }
|
---|
| 2576 |
|
---|
[84819] | 2577 | rc = PDMDevHlpSUPSemEventCreate(pDevIns, &pThis->aWorkers[uVirtqNbr].hEvtProcess);
|
---|
[80383] | 2578 | if (RT_FAILURE(rc))
|
---|
| 2579 | return PDMDevHlpVMSetError(pDevIns, rc, RT_SRC_POS,
|
---|
[81634] | 2580 | N_("DevVirtioSCSI: Failed to create SUP event semaphore"));
|
---|
[81814] | 2581 | }
|
---|
[84819] | 2582 | pThis->afVirtqAttached[uVirtqNbr] = true;
|
---|
[98661] | 2583 | rc = RTCritSectInit(&pThisCC->aWorkers[uVirtqNbr].CritSectVirtq);
|
---|
| 2584 | if (RT_FAILURE(rc))
|
---|
| 2585 | return PDMDevHlpVMSetError(pDevIns, rc, RT_SRC_POS,
|
---|
| 2586 | N_("DevVirtioSCSI: Failed to create worker critical section"));
|
---|
[80383] | 2587 | }
|
---|
| 2588 |
|
---|
[81662] | 2589 | /*
|
---|
| 2590 | * Initialize per device instances (targets).
|
---|
| 2591 | */
|
---|
| 2592 | Log2Func(("Probing %d targets ...\n", pThis->cTargets));
|
---|
[80762] | 2593 |
|
---|
[81675] | 2594 | pThisCC->paTargetInstances = (PVIRTIOSCSITARGET)RTMemAllocZ(sizeof(VIRTIOSCSITARGET) * pThis->cTargets);
|
---|
| 2595 | if (!pThisCC->paTargetInstances)
|
---|
[81634] | 2596 | return PDMDEV_SET_ERROR(pDevIns, rc, N_("Failed to allocate memory for target states"));
|
---|
[80928] | 2597 |
|
---|
[82151] | 2598 | for (uint32_t uTarget = 0; uTarget < pThis->cTargets; uTarget++)
|
---|
[79289] | 2599 | {
|
---|
[82151] | 2600 | PVIRTIOSCSITARGET pTarget = &pThisCC->paTargetInstances[uTarget];
|
---|
[79289] | 2601 |
|
---|
[82151] | 2602 | if (RTStrAPrintf(&pTarget->pszTargetName, "VSCSI%u", uTarget) < 0)
|
---|
[79289] | 2603 | AssertLogRelFailedReturn(VERR_NO_MEMORY);
|
---|
| 2604 |
|
---|
| 2605 | /* Initialize static parts of the device. */
|
---|
[81675] | 2606 | pTarget->pDevIns = pDevIns;
|
---|
[82151] | 2607 | pTarget->uTarget = uTarget;
|
---|
[80058] | 2608 |
|
---|
[81634] | 2609 | pTarget->IBase.pfnQueryInterface = virtioScsiR3TargetQueryInterface;
|
---|
[80058] | 2610 |
|
---|
[79928] | 2611 | /* IMediaPort and IMediaExPort interfaces provide callbacks for VD media and downstream driver access */
|
---|
[81634] | 2612 | pTarget->IMediaPort.pfnQueryDeviceLocation = virtioScsiR3QueryDeviceLocation;
|
---|
[81645] | 2613 | pTarget->IMediaPort.pfnQueryScsiInqStrings = NULL;
|
---|
[81634] | 2614 | pTarget->IMediaExPort.pfnIoReqCompleteNotify = virtioScsiR3IoReqFinish;
|
---|
| 2615 | pTarget->IMediaExPort.pfnIoReqCopyFromBuf = virtioScsiR3IoReqCopyFromBuf;
|
---|
| 2616 | pTarget->IMediaExPort.pfnIoReqCopyToBuf = virtioScsiR3IoReqCopyToBuf;
|
---|
| 2617 | pTarget->IMediaExPort.pfnIoReqStateChanged = virtioScsiR3IoReqStateChanged;
|
---|
| 2618 | pTarget->IMediaExPort.pfnMediumEjected = virtioScsiR3MediumEjected;
|
---|
[80499] | 2619 | pTarget->IMediaExPort.pfnIoReqQueryBuf = NULL; /* When used avoids copyFromBuf CopyToBuf*/
|
---|
[79492] | 2620 | pTarget->IMediaExPort.pfnIoReqQueryDiscardRanges = NULL;
|
---|
[80499] | 2621 |
|
---|
[81634] | 2622 | pTarget->IBase.pfnQueryInterface = virtioScsiR3TargetQueryInterface;
|
---|
| 2623 | pTarget->ILed.pfnQueryStatusLed = virtioScsiR3TargetQueryStatusLed;
|
---|
[80058] | 2624 | pTarget->led.u32Magic = PDMLED_MAGIC;
|
---|
[79535] | 2625 |
|
---|
[80762] | 2626 | LogFunc(("Attaching LUN: %s\n", pTarget->pszTargetName));
|
---|
[79928] | 2627 |
|
---|
[82151] | 2628 | AssertReturn(uTarget < pThis->cTargets, VERR_PDM_NO_SUCH_LUN);
|
---|
| 2629 | rc = PDMDevHlpDriverAttach(pDevIns, uTarget, &pTarget->IBase, &pTarget->pDrvBase, pTarget->pszTargetName);
|
---|
[79289] | 2630 | if (RT_SUCCESS(rc))
|
---|
[79928] | 2631 | {
|
---|
[79492] | 2632 | pTarget->fPresent = true;
|
---|
[79928] | 2633 |
|
---|
[80058] | 2634 | pTarget->pDrvMedia = PDMIBASE_QUERY_INTERFACE(pTarget->pDrvBase, PDMIMEDIA);
|
---|
[90791] | 2635 | AssertMsgReturn(RT_VALID_PTR(pTarget->pDrvMedia),
|
---|
[82151] | 2636 | ("virtio-scsi configuration error: LUN#%d missing basic media interface!\n", uTarget),
|
---|
[81634] | 2637 | VERR_PDM_MISSING_INTERFACE);
|
---|
[80058] | 2638 | /* Get the extended media interface. */
|
---|
| 2639 | pTarget->pDrvMediaEx = PDMIBASE_QUERY_INTERFACE(pTarget->pDrvBase, PDMIMEDIAEX);
|
---|
[90791] | 2640 | AssertMsgReturn(RT_VALID_PTR(pTarget->pDrvMediaEx),
|
---|
[82151] | 2641 | ("virtio-scsi configuration error: LUN#%d missing extended media interface!\n", uTarget),
|
---|
[81634] | 2642 | VERR_PDM_MISSING_INTERFACE);
|
---|
[79928] | 2643 |
|
---|
[80437] | 2644 | rc = pTarget->pDrvMediaEx->pfnIoReqAllocSizeSet(pTarget->pDrvMediaEx, sizeof(VIRTIOSCSIREQ));
|
---|
[90791] | 2645 | AssertMsgReturn(RT_VALID_PTR(pTarget->pDrvMediaEx),
|
---|
[82151] | 2646 | ("virtio-scsi configuration error: LUN#%u: Failed to set I/O request size!\n", uTarget),
|
---|
[81634] | 2647 | rc);
|
---|
[79928] | 2648 | }
|
---|
[79289] | 2649 | else if (rc == VERR_PDM_NO_ATTACHED_DRIVER)
|
---|
| 2650 | {
|
---|
[79928] | 2651 | pTarget->fPresent = false;
|
---|
[80058] | 2652 | pTarget->pDrvBase = NULL;
|
---|
[81634] | 2653 | Log(("virtio-scsi: no driver attached to device %s\n", pTarget->pszTargetName));
|
---|
[79289] | 2654 | rc = VINF_SUCCESS;
|
---|
| 2655 | }
|
---|
| 2656 | else
|
---|
| 2657 | {
|
---|
[80928] | 2658 | AssertLogRelMsgFailed(("virtio-scsi: Failed to attach %s: %Rrc\n", pTarget->pszTargetName, rc));
|
---|
[79289] | 2659 | return rc;
|
---|
| 2660 | }
|
---|
| 2661 | }
|
---|
[79492] | 2662 |
|
---|
[81662] | 2663 | /*
|
---|
| 2664 | * Status driver (optional).
|
---|
| 2665 | */
|
---|
[84504] | 2666 | PPDMIBASE pUpBase = NULL;
|
---|
[81662] | 2667 | AssertCompile(PDM_STATUS_LUN >= VIRTIOSCSI_MAX_TARGETS);
|
---|
[81675] | 2668 | rc = PDMDevHlpDriverAttach(pDevIns, PDM_STATUS_LUN, &pThisCC->IBase, &pUpBase, "Status Port");
|
---|
[81662] | 2669 | if (RT_FAILURE(rc) && rc != VERR_PDM_NO_ATTACHED_DRIVER)
|
---|
[80058] | 2670 | return PDMDEV_SET_ERROR(pDevIns, rc, N_("Failed to attach the status LUN"));
|
---|
[84504] | 2671 | if (RT_SUCCESS(rc) && pUpBase)
|
---|
| 2672 | pThisCC->pMediaNotify = PDMIBASE_QUERY_INTERFACE(pUpBase, PDMIMEDIANOTIFY);
|
---|
[80058] | 2673 |
|
---|
[81658] | 2674 |
|
---|
[79289] | 2675 | /*
|
---|
[81658] | 2676 | * Register saved state.
|
---|
[79289] | 2677 | */
|
---|
[81658] | 2678 | rc = PDMDevHlpSSMRegister(pDevIns, VIRTIOSCSI_SAVED_STATE_VERSION, sizeof(*pThis),
|
---|
| 2679 | virtioScsiR3SaveExec, virtioScsiR3LoadExec);
|
---|
| 2680 | AssertRCReturn(rc, rc);
|
---|
| 2681 |
|
---|
| 2682 | /*
|
---|
| 2683 | * Register the debugger info callback (ignore errors).
|
---|
| 2684 | */
|
---|
[79289] | 2685 | char szTmp[128];
|
---|
[81662] | 2686 | RTStrPrintf(szTmp, sizeof(szTmp), "%s%u", pDevIns->pReg->szName, pDevIns->iInstance);
|
---|
[81634] | 2687 | PDMDevHlpDBGFInfoRegister(pDevIns, szTmp, "virtio-scsi info", virtioScsiR3Info);
|
---|
[79289] | 2688 |
|
---|
[79375] | 2689 | return rc;
|
---|
| 2690 | }
|
---|
[79289] | 2691 |
|
---|
[81662] | 2692 | #else /* !IN_RING3 */
|
---|
| 2693 |
|
---|
[79375] | 2694 | /**
|
---|
[81662] | 2695 | * @callback_method_impl{PDMDEVREGR0,pfnConstruct}
|
---|
| 2696 | */
|
---|
| 2697 | static DECLCALLBACK(int) virtioScsiRZConstruct(PPDMDEVINS pDevIns)
|
---|
| 2698 | {
|
---|
| 2699 | PDMDEV_CHECK_VERSIONS_RETURN(pDevIns);
|
---|
[84351] | 2700 |
|
---|
[81677] | 2701 | PVIRTIOSCSI pThis = PDMDEVINS_2_DATA(pDevIns, PVIRTIOSCSI);
|
---|
| 2702 | PVIRTIOSCSICC pThisCC = PDMDEVINS_2_DATA_CC(pDevIns, PVIRTIOSCSICC);
|
---|
[81662] | 2703 |
|
---|
[84351] | 2704 |
|
---|
[84803] | 2705 | pThisCC->Virtio.pfnVirtqNotified = virtioScsiNotified;
|
---|
[84351] | 2706 | return virtioCoreRZInit(pDevIns, &pThis->Virtio);
|
---|
[81662] | 2707 | }
|
---|
| 2708 |
|
---|
| 2709 | #endif /* !IN_RING3 */
|
---|
| 2710 |
|
---|
| 2711 |
|
---|
| 2712 | /**
|
---|
[79289] | 2713 | * The device registration structure.
|
---|
| 2714 | */
|
---|
| 2715 | const PDMDEVREG g_DeviceVirtioSCSI =
|
---|
| 2716 | {
|
---|
[80531] | 2717 | /* .u32Version = */ PDM_DEVREG_VERSION,
|
---|
| 2718 | /* .uReserved0 = */ 0,
|
---|
| 2719 | /* .szName = */ "virtio-scsi",
|
---|
[82559] | 2720 | /* .fFlags = */ PDM_DEVREG_FLAGS_DEFAULT_BITS | PDM_DEVREG_FLAGS_RZ | PDM_DEVREG_FLAGS_NEW_STYLE
|
---|
[80657] | 2721 | | PDM_DEVREG_FLAGS_FIRST_SUSPEND_NOTIFICATION
|
---|
| 2722 | | PDM_DEVREG_FLAGS_FIRST_POWEROFF_NOTIFICATION,
|
---|
[81677] | 2723 | /* .fClass = */ PDM_DEVREG_CLASS_STORAGE,
|
---|
[80531] | 2724 | /* .cMaxInstances = */ ~0U,
|
---|
| 2725 | /* .uSharedVersion = */ 42,
|
---|
| 2726 | /* .cbInstanceShared = */ sizeof(VIRTIOSCSI),
|
---|
[81677] | 2727 | /* .cbInstanceCC = */ sizeof(VIRTIOSCSICC),
|
---|
| 2728 | /* .cbInstanceRC = */ sizeof(VIRTIOSCSIRC),
|
---|
[80701] | 2729 | /* .cMaxPciDevices = */ 1,
|
---|
[81122] | 2730 | /* .cMaxMsixVectors = */ VBOX_MSIX_MAX_ENTRIES,
|
---|
[80531] | 2731 | /* .pszDescription = */ "Virtio Host SCSI.\n",
|
---|
| 2732 | #if defined(IN_RING3)
|
---|
| 2733 | /* .pszRCMod = */ "VBoxDDRC.rc",
|
---|
| 2734 | /* .pszR0Mod = */ "VBoxDDR0.r0",
|
---|
[81634] | 2735 | /* .pfnConstruct = */ virtioScsiR3Construct,
|
---|
| 2736 | /* .pfnDestruct = */ virtioScsiR3Destruct,
|
---|
| 2737 | /* .pfnRelocate = */ NULL,
|
---|
[80531] | 2738 | /* .pfnMemSetup = */ NULL,
|
---|
[80683] | 2739 | /* .pfnPowerOn = */ NULL,
|
---|
[81634] | 2740 | /* .pfnReset = */ virtioScsiR3Reset,
|
---|
[81660] | 2741 | /* .pfnSuspend = */ virtioScsiR3Suspend,
|
---|
[81634] | 2742 | /* .pfnResume = */ virtioScsiR3Resume,
|
---|
| 2743 | /* .pfnAttach = */ virtioScsiR3Attach,
|
---|
| 2744 | /* .pfnDetach = */ virtioScsiR3Detach,
|
---|
[80531] | 2745 | /* .pfnQueryInterface = */ NULL,
|
---|
| 2746 | /* .pfnInitComplete = */ NULL,
|
---|
[81660] | 2747 | /* .pfnPowerOff = */ virtioScsiR3PowerOff,
|
---|
[80531] | 2748 | /* .pfnSoftReset = */ NULL,
|
---|
| 2749 | /* .pfnReserved0 = */ NULL,
|
---|
| 2750 | /* .pfnReserved1 = */ NULL,
|
---|
| 2751 | /* .pfnReserved2 = */ NULL,
|
---|
| 2752 | /* .pfnReserved3 = */ NULL,
|
---|
| 2753 | /* .pfnReserved4 = */ NULL,
|
---|
| 2754 | /* .pfnReserved5 = */ NULL,
|
---|
| 2755 | /* .pfnReserved6 = */ NULL,
|
---|
| 2756 | /* .pfnReserved7 = */ NULL,
|
---|
| 2757 | #elif defined(IN_RING0)
|
---|
| 2758 | /* .pfnEarlyConstruct = */ NULL,
|
---|
[81662] | 2759 | /* .pfnConstruct = */ virtioScsiRZConstruct,
|
---|
[80531] | 2760 | /* .pfnDestruct = */ NULL,
|
---|
| 2761 | /* .pfnFinalDestruct = */ NULL,
|
---|
| 2762 | /* .pfnRequest = */ NULL,
|
---|
| 2763 | /* .pfnReserved0 = */ NULL,
|
---|
| 2764 | /* .pfnReserved1 = */ NULL,
|
---|
| 2765 | /* .pfnReserved2 = */ NULL,
|
---|
| 2766 | /* .pfnReserved3 = */ NULL,
|
---|
| 2767 | /* .pfnReserved4 = */ NULL,
|
---|
| 2768 | /* .pfnReserved5 = */ NULL,
|
---|
| 2769 | /* .pfnReserved6 = */ NULL,
|
---|
| 2770 | /* .pfnReserved7 = */ NULL,
|
---|
| 2771 | #elif defined(IN_RC)
|
---|
[81662] | 2772 | /* .pfnConstruct = */ virtioScsiRZConstruct,
|
---|
[80531] | 2773 | /* .pfnReserved0 = */ NULL,
|
---|
| 2774 | /* .pfnReserved1 = */ NULL,
|
---|
| 2775 | /* .pfnReserved2 = */ NULL,
|
---|
| 2776 | /* .pfnReserved3 = */ NULL,
|
---|
| 2777 | /* .pfnReserved4 = */ NULL,
|
---|
| 2778 | /* .pfnReserved5 = */ NULL,
|
---|
| 2779 | /* .pfnReserved6 = */ NULL,
|
---|
| 2780 | /* .pfnReserved7 = */ NULL,
|
---|
| 2781 | #else
|
---|
| 2782 | # error "Not in IN_RING3, IN_RING0 or IN_RC!"
|
---|
| 2783 | #endif
|
---|
| 2784 | /* .u32VersionEnd = */ PDM_DEVREG_VERSION
|
---|
[79289] | 2785 | };
|
---|
[80531] | 2786 |
|
---|