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SCSI and USB async IO support.

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2107 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
pbrook 2006-08-12 01:04:27 +00:00
parent 4ca9c76f36
commit 4d611c9a2f
14 changed files with 745 additions and 292 deletions
Download patch file Download diff file Expand all files Collapse all files

32
hw/usb.c
View file

@ -38,13 +38,13 @@ void usb_attach(USBPort *port, USBDevice *dev)
#define SETUP_STATE_DATA 1
#define SETUP_STATE_ACK 2
int usb_generic_handle_packet(USBDevice *s, int pid,
uint8_t devaddr, uint8_t devep,
uint8_t *data, int len)
int usb_generic_handle_packet(USBDevice *s, USBPacket *p)
{
int l, ret = 0;
int len = p->len;
uint8_t *data = p->data;
switch(pid) {
switch(p->pid) {
case USB_MSG_ATTACH:
s->state = USB_STATE_ATTACHED;
break;
@ -58,7 +58,7 @@ int usb_generic_handle_packet(USBDevice *s, int pid,
s->handle_reset(s);
break;
case USB_TOKEN_SETUP:
if (s->state < USB_STATE_DEFAULT || devaddr != s->addr)
if (s->state < USB_STATE_DEFAULT || p->devaddr != s->addr)
return USB_RET_NODEV;
if (len != 8)
goto fail;
@ -85,9 +85,9 @@ int usb_generic_handle_packet(USBDevice *s, int pid,
}
break;
case USB_TOKEN_IN:
if (s->state < USB_STATE_DEFAULT || devaddr != s->addr)
if (s->state < USB_STATE_DEFAULT || p->devaddr != s->addr)
return USB_RET_NODEV;
switch(devep) {
switch(p->devep) {
case 0:
switch(s->setup_state) {
case SETUP_STATE_ACK:
@ -125,14 +125,14 @@ int usb_generic_handle_packet(USBDevice *s, int pid,
}
break;
default:
ret = s->handle_data(s, pid, devep, data, len);
ret = s->handle_data(s, p);
break;
}
break;
case USB_TOKEN_OUT:
if (s->state < USB_STATE_DEFAULT || devaddr != s->addr)
if (s->state < USB_STATE_DEFAULT || p->devaddr != s->addr)
return USB_RET_NODEV;
switch(devep) {
switch(p->devep) {
case 0:
switch(s->setup_state) {
case SETUP_STATE_ACK:
@ -163,7 +163,7 @@ int usb_generic_handle_packet(USBDevice *s, int pid,
}
break;
default:
ret = s->handle_data(s, pid, devep, data, len);
ret = s->handle_data(s, p);
break;
}
break;
@ -191,3 +191,13 @@ int set_usb_string(uint8_t *buf, const char *str)
}
return q - buf;
}
/* Send an internal message to a USB device. */
void usb_send_msg(USBDevice *dev, int msg)
{
USBPacket p;
memset(&p, 0, sizeof(p));
p.pid = msg;
dev->handle_packet(dev, &p);
}