1973abc7fSStefan Hajnoczi /* 2973abc7fSStefan Hajnoczi * Virtio SCSI HBA 3973abc7fSStefan Hajnoczi * 4973abc7fSStefan Hajnoczi * Copyright IBM, Corp. 2010 5973abc7fSStefan Hajnoczi * 6973abc7fSStefan Hajnoczi * Authors: 7973abc7fSStefan Hajnoczi * Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> 8973abc7fSStefan Hajnoczi * 9973abc7fSStefan Hajnoczi * This work is licensed under the terms of the GNU GPL, version 2. See 10973abc7fSStefan Hajnoczi * the COPYING file in the top-level directory. 11973abc7fSStefan Hajnoczi * 12973abc7fSStefan Hajnoczi */ 13973abc7fSStefan Hajnoczi 14973abc7fSStefan Hajnoczi #ifndef _QEMU_VIRTIO_SCSI_H 15973abc7fSStefan Hajnoczi #define _QEMU_VIRTIO_SCSI_H 16973abc7fSStefan Hajnoczi 170d09e41aSPaolo Bonzini #include "hw/virtio/virtio.h" 1883c9f4caSPaolo Bonzini #include "hw/pci/pci.h" 190d09e41aSPaolo Bonzini #include "hw/scsi/scsi.h" 20973abc7fSStefan Hajnoczi 21*f574fa8bSKONRAD Frederic #define TYPE_VIRTIO_SCSI "virtio-scsi-device" 223ab1dfddSKONRAD Frederic #define VIRTIO_SCSI(obj) \ 233ab1dfddSKONRAD Frederic OBJECT_CHECK(VirtIOSCSI, (obj), TYPE_VIRTIO_SCSI) 243ab1dfddSKONRAD Frederic 253ab1dfddSKONRAD Frederic 26973abc7fSStefan Hajnoczi /* The ID for virtio_scsi */ 27973abc7fSStefan Hajnoczi #define VIRTIO_ID_SCSI 8 28973abc7fSStefan Hajnoczi 2907a5298cSPaolo Bonzini /* Feature Bits */ 3007a5298cSPaolo Bonzini #define VIRTIO_SCSI_F_INOUT 0 3107a5298cSPaolo Bonzini #define VIRTIO_SCSI_F_HOTPLUG 1 3207a5298cSPaolo Bonzini #define VIRTIO_SCSI_F_CHANGE 2 3307a5298cSPaolo Bonzini 34973abc7fSStefan Hajnoczi struct VirtIOSCSIConf { 35973abc7fSStefan Hajnoczi uint32_t num_queues; 36973abc7fSStefan Hajnoczi uint32_t max_sectors; 37973abc7fSStefan Hajnoczi uint32_t cmd_per_lun; 38973abc7fSStefan Hajnoczi }; 39973abc7fSStefan Hajnoczi 40f1b24e84SKONRAD Frederic typedef struct VirtIOSCSI { 410ac8e139SKONRAD Frederic VirtIODevice parent_obj; 42394e2e4cSKONRAD Frederic VirtIOSCSIConf conf; 43f1b24e84SKONRAD Frederic 44f1b24e84SKONRAD Frederic SCSIBus bus; 45f1b24e84SKONRAD Frederic uint32_t sense_size; 46f1b24e84SKONRAD Frederic uint32_t cdb_size; 47f1b24e84SKONRAD Frederic int resetting; 48f1b24e84SKONRAD Frederic bool events_dropped; 49f1b24e84SKONRAD Frederic VirtQueue *ctrl_vq; 50f1b24e84SKONRAD Frederic VirtQueue *event_vq; 5122219527SKONRAD Frederic VirtQueue **cmd_vqs; 52f1b24e84SKONRAD Frederic } VirtIOSCSI; 53f1b24e84SKONRAD Frederic 544bfeb18aSKONRAD Frederic #define DEFINE_VIRTIO_SCSI_PROPERTIES(_state, _conf_field) \ 55973abc7fSStefan Hajnoczi DEFINE_PROP_UINT32("num_queues", _state, _conf_field.num_queues, 1), \ 56973abc7fSStefan Hajnoczi DEFINE_PROP_UINT32("max_sectors", _state, _conf_field.max_sectors, 0xFFFF),\ 574bfeb18aSKONRAD Frederic DEFINE_PROP_UINT32("cmd_per_lun", _state, _conf_field.cmd_per_lun, 128) 584bfeb18aSKONRAD Frederic 594bfeb18aSKONRAD Frederic #define DEFINE_VIRTIO_SCSI_FEATURES(_state, _feature_field) \ 604bfeb18aSKONRAD Frederic DEFINE_VIRTIO_COMMON_FEATURES(_state, _feature_field), \ 614bfeb18aSKONRAD Frederic DEFINE_PROP_BIT("hotplug", _state, _feature_field, VIRTIO_SCSI_F_HOTPLUG, \ 624bfeb18aSKONRAD Frederic true), \ 634bfeb18aSKONRAD Frederic DEFINE_PROP_BIT("param_change", _state, _feature_field, \ 644bfeb18aSKONRAD Frederic VIRTIO_SCSI_F_CHANGE, true) 65973abc7fSStefan Hajnoczi 66973abc7fSStefan Hajnoczi #endif /* _QEMU_VIRTIO_SCSI_H */ 67