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scsi-disk: introduce a common base class

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This will be the place to add DMAIOFuncs in the next patch.  There
are also a couple DeviceClass members that can be moved to the
abstract class's initialization function.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2016-05-10 10:10:49 +02:00
parent a8ff431679
commit 993935f315
1 changed files with 22 additions and 14 deletions
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36
hw/scsi/scsi-disk.c
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@ -53,6 +53,8 @@ do { printf("scsi-disk: " fmt , ## __VA_ARGS__); } while (0)
#define DEFAULT_MAX_UNMAP_SIZE (1 << 30) /* 1 GB */
#define DEFAULT_MAX_IO_SIZE INT_MAX /* 2 GB - 1 block */
#define TYPE_SCSI_DISK_BASE "scsi-disk-base"
typedef struct SCSIDiskState SCSIDiskState;
typedef struct SCSIDiskReq {
@ -2656,6 +2658,21 @@ static int scsi_block_parse_cdb(SCSIDevice *d, SCSICommand *cmd,
#endif
static void scsi_disk_base_class_initfn(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
dc->fw_name = "disk";
dc->reset = scsi_disk_reset;
}
static const TypeInfo scsi_disk_base_info = {
.name = TYPE_SCSI_DISK_BASE,
.parent = TYPE_SCSI_DEVICE,
.class_init = scsi_disk_base_class_initfn,
.instance_size = sizeof(SCSIDiskState),
};
#define DEFINE_SCSI_DISK_PROPERTIES() \
DEFINE_BLOCK_PROPERTIES(SCSIDiskState, qdev.conf), \
DEFINE_PROP_STRING("ver", SCSIDiskState, version), \
@ -2703,17 +2720,14 @@ static void scsi_hd_class_initfn(ObjectClass *klass, void *data)
sc->realize = scsi_hd_realize;
sc->alloc_req = scsi_new_request;
sc->unit_attention_reported = scsi_disk_unit_attention_reported;
dc->fw_name = "disk";
dc->desc = "virtual SCSI disk";
dc->reset = scsi_disk_reset;
dc->props = scsi_hd_properties;
dc->vmsd = &vmstate_scsi_disk_state;
}
static const TypeInfo scsi_hd_info = {
.name = "scsi-hd",
.parent = TYPE_SCSI_DEVICE,
.instance_size = sizeof(SCSIDiskState),
.parent = TYPE_SCSI_DISK_BASE,
.class_init = scsi_hd_class_initfn,
};
@ -2735,17 +2749,14 @@ static void scsi_cd_class_initfn(ObjectClass *klass, void *data)
sc->realize = scsi_cd_realize;
sc->alloc_req = scsi_new_request;
sc->unit_attention_reported = scsi_disk_unit_attention_reported;
dc->fw_name = "disk";
dc->desc = "virtual SCSI CD-ROM";
dc->reset = scsi_disk_reset;
dc->props = scsi_cd_properties;
dc->vmsd = &vmstate_scsi_disk_state;
}
static const TypeInfo scsi_cd_info = {
.name = "scsi-cd",
.parent = TYPE_SCSI_DEVICE,
.instance_size = sizeof(SCSIDiskState),
.parent = TYPE_SCSI_DISK_BASE,
.class_init = scsi_cd_class_initfn,
};
@ -2763,17 +2774,14 @@ static void scsi_block_class_initfn(ObjectClass *klass, void *data)
sc->realize = scsi_block_realize;
sc->alloc_req = scsi_block_new_request;
sc->parse_cdb = scsi_block_parse_cdb;
dc->fw_name = "disk";
dc->desc = "SCSI block device passthrough";
dc->reset = scsi_disk_reset;
dc->props = scsi_block_properties;
dc->vmsd = &vmstate_scsi_disk_state;
}
static const TypeInfo scsi_block_info = {
.name = "scsi-block",
.parent = TYPE_SCSI_DEVICE,
.instance_size = sizeof(SCSIDiskState),
.parent = TYPE_SCSI_DISK_BASE,
.class_init = scsi_block_class_initfn,
};
#endif
@ -2811,13 +2819,13 @@ static void scsi_disk_class_initfn(ObjectClass *klass, void *data)
static const TypeInfo scsi_disk_info = {
.name = "scsi-disk",
.parent = TYPE_SCSI_DEVICE,
.instance_size = sizeof(SCSIDiskState),
.parent = TYPE_SCSI_DISK_BASE,
.class_init = scsi_disk_class_initfn,
};
static void scsi_disk_register_types(void)
{
type_register_static(&scsi_disk_base_info);
type_register_static(&scsi_hd_info);
type_register_static(&scsi_cd_info);
#ifdef __linux__