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authorGerd Hoffmann2009-10-30 09:54:00 +0100
committerAnthony Liguori2009-11-09 15:43:03 +0100
commit43b443b6688bee628f85b85836ccf618169c2647 (patch)
tree09ed91769700bf006c35de693fe72166724d38d1 /hw/scsi.h
parentscsi: move scsi.h -> esp.h (diff)
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scsi: move scsi-disk.h -> scsi.h
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Diffstat (limited to 'hw/scsi.h')
-rw-r--r--hw/scsi.h67
1 files changed, 67 insertions, 0 deletions
diff --git a/hw/scsi.h b/hw/scsi.h
new file mode 100644
index 0000000000..b6b6c12666
--- /dev/null
+++ b/hw/scsi.h
@@ -0,0 +1,67 @@
+#ifndef SCSI_DISK_H
+#define SCSI_DISK_H
+
+#include "qdev.h"
+
+/* scsi-disk.c */
+enum scsi_reason {
+ SCSI_REASON_DONE, /* Command complete. */
+ SCSI_REASON_DATA /* Transfer complete, more data required. */
+};
+
+typedef struct SCSIBus SCSIBus;
+typedef struct SCSIDevice SCSIDevice;
+typedef struct SCSIDeviceInfo SCSIDeviceInfo;
+typedef void (*scsi_completionfn)(SCSIBus *bus, int reason, uint32_t tag,
+ uint32_t arg);
+
+struct SCSIDevice
+{
+ DeviceState qdev;
+ uint32_t id;
+ SCSIDeviceInfo *info;
+};
+
+/* cdrom.c */
+int cdrom_read_toc(int nb_sectors, uint8_t *buf, int msf, int start_track);
+int cdrom_read_toc_raw(int nb_sectors, uint8_t *buf, int msf, int session_num);
+
+/* scsi-bus.c */
+typedef int (*scsi_qdev_initfn)(SCSIDevice *dev);
+struct SCSIDeviceInfo {
+ DeviceInfo qdev;
+ scsi_qdev_initfn init;
+ void (*destroy)(SCSIDevice *s);
+ int32_t (*send_command)(SCSIDevice *s, uint32_t tag, uint8_t *buf,
+ int lun);
+ void (*read_data)(SCSIDevice *s, uint32_t tag);
+ int (*write_data)(SCSIDevice *s, uint32_t tag);
+ void (*cancel_io)(SCSIDevice *s, uint32_t tag);
+ uint8_t *(*get_buf)(SCSIDevice *s, uint32_t tag);
+};
+
+typedef void (*SCSIAttachFn)(DeviceState *host, BlockDriverState *bdrv,
+ int unit);
+struct SCSIBus {
+ BusState qbus;
+ int busnr;
+
+ int tcq, ndev;
+ scsi_completionfn complete;
+
+ SCSIDevice *devs[8];
+};
+
+void scsi_bus_new(SCSIBus *bus, DeviceState *host, int tcq, int ndev,
+ scsi_completionfn complete);
+void scsi_qdev_register(SCSIDeviceInfo *info);
+
+static inline SCSIBus *scsi_bus_from_device(SCSIDevice *d)
+{
+ return DO_UPCAST(SCSIBus, qbus, d->qdev.parent_bus);
+}
+
+SCSIDevice *scsi_bus_legacy_add_drive(SCSIBus *bus, DriveInfo *dinfo, int unit);
+void scsi_bus_legacy_handle_cmdline(SCSIBus *bus);
+
+#endif