gwj / at91sam9263 · Commits

Commit 6f68ecb2c11d90212d6f7d06c857843d30abcfdc

Authored by Paul Brook
1 parent 6b1b92d3

qdev scsi bus infrastructure 

Signed-off-by: Paul Brook <paul@codesourcery.com>
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Showing 2 changed files with 23 additions and 0 deletions
hw/qdev.c
  View file @6f68ecb
... ... @@ -265,3 +265,22 @@ void qdev_attach_child_bus(DeviceState *dev, const char *name, void *bus)
265 265 p->next = dev->child_bus;
266 266 dev->child_bus = p;
267 267 }
  268 +
  269 +static int next_scsi_bus;
  270 +
  271 +/* Create a scsi bus, and attach devices to it. */
  272 +/* TODO: Actually create a scsi bus for hotplug to use. */
  273 +void scsi_bus_new(DeviceState *host, SCSIAttachFn attach)
  274 +{
  275 + int bus = next_scsi_bus++;
  276 + int unit;
  277 + int index;
  278 +
  279 + for (unit = 0; unit < MAX_SCSI_DEVS; unit++) {
  280 + index = drive_get_index(IF_SCSI, bus, unit);
  281 + if (index == -1) {
  282 + continue;
  283 + }
  284 + attach(host, drives_table[index].bdrv, unit);
  285 + }
  286 +}
... ...
hw/qdev.h
  View file @6f68ecb
... ... @@ -44,6 +44,8 @@ void *qdev_get_child_bus(DeviceState *dev, const char *name);
44 44 /*** Device API. ***/
45 45  
46 46 typedef void (*qdev_initfn)(DeviceState *dev, void *opaque);
  47 +typedef void (*SCSIAttachFn)(DeviceState *host, BlockDriverState *bdrv,
  48 + int unit);
47 49  
48 50 DeviceType *qdev_register(const char *name, int size, qdev_initfn init,
49 51 void *opaque);
... ... @@ -54,6 +56,8 @@ void qdev_init_gpio_in(DeviceState *dev, qemu_irq_handler handler, int n);
54 56 void qdev_init_gpio_out(DeviceState *dev, qemu_irq *pins, int n);
55 57 void qdev_attach_child_bus(DeviceState *dev, const char *name, void *bus);
56 58  
  59 +void scsi_bus_new(DeviceState *host, SCSIAttachFn attach);
  60 +
57 61 CharDriverState *qdev_init_chardev(DeviceState *dev);
58 62  
59 63 void *qdev_get_bus(DeviceState *dev);
... ...