aboutsummaryrefslogtreecommitdiff
path: root/hw/usb/hcd-ohci.c
diff options
context:
space:
mode:
authorAlexey Kardashevskiy <aik@ozlabs.ru>2014-04-13 20:42:34 +1000
committerGerd Hoffmann <kraxel@redhat.com>2014-05-05 12:29:41 +0200
commit69e25d26b46a6e37698de4489eed5b07853bfe9e (patch)
tree7bb4a1536f889f5093db86c0f5c925d7c4db3eb6 /hw/usb/hcd-ohci.c
parentfdaad4715ae9e998fd0595bedfb16fdaf0c68ccc (diff)
usb-ohci: Add vmstate descriptor
This adds migration support for OHCI. This defines a descriptor for OHCIState. This changes some OHCIState field types to be migration compatible. This adds a descriptor for OHCIPort. This migrates the EOF timer if the USB was started at the time of migration. Cc: Gerd Hoffmann <kraxel@redhat.com> Cc: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Diffstat (limited to 'hw/usb/hcd-ohci.c')
-rw-r--r--hw/usb/hcd-ohci.c119
1 files changed, 111 insertions, 8 deletions
diff --git a/hw/usb/hcd-ohci.c b/hw/usb/hcd-ohci.c
index 93f186f5e7..cd87074862 100644
--- a/hw/usb/hcd-ohci.c
+++ b/hw/usb/hcd-ohci.c
@@ -80,13 +80,13 @@ typedef struct {
uint32_t bulk_head, bulk_cur;
uint32_t per_cur;
uint32_t done;
- int done_count;
+ int32_t done_count;
/* Frame counter partition */
- uint32_t fsmps:15;
- uint32_t fit:1;
- uint32_t fi:14;
- uint32_t frt:1;
+ uint16_t fsmps;
+ uint8_t fit;
+ uint16_t fi;
+ uint8_t frt;
uint16_t frame_number;
uint16_t padding;
uint32_t pstart;
@@ -111,7 +111,7 @@ typedef struct {
USBPacket usb_packet;
uint8_t usb_buf[8192];
uint32_t async_td;
- int async_complete;
+ bool async_complete;
} OHCIState;
@@ -693,7 +693,7 @@ static void ohci_async_complete_packet(USBPort *port, USBPacket *packet)
#ifdef DEBUG_PACKET
DPRINTF("Async packet complete\n");
#endif
- ohci->async_complete = 1;
+ ohci->async_complete = true;
ohci_process_lists(ohci, 1);
}
@@ -1058,7 +1058,7 @@ static int ohci_service_td(OHCIState *ohci, struct ohci_ed *ed)
#endif
if (completion) {
ohci->async_td = 0;
- ohci->async_complete = 0;
+ ohci->async_complete = false;
} else {
if (ohci->async_td) {
/* ??? The hardware should allow one active packet per
@@ -1984,6 +1984,108 @@ static Property ohci_pci_properties[] = {
DEFINE_PROP_END_OF_LIST(),
};
+static const VMStateDescription vmstate_ohci_state_port = {
+ .name = "ohci-core/port",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .minimum_version_id_old = 1,
+ .fields = (VMStateField []) {
+ VMSTATE_UINT32(ctrl, OHCIPort),
+ VMSTATE_END_OF_LIST()
+ },
+};
+
+static bool ohci_eof_timer_needed(void *opaque)
+{
+ OHCIState *ohci = opaque;
+
+ return ohci->eof_timer != NULL;
+}
+
+static int ohci_eof_timer_pre_load(void *opaque)
+{
+ OHCIState *ohci = opaque;
+
+ ohci_bus_start(ohci);
+
+ return 0;
+}
+
+static const VMStateDescription vmstate_ohci_eof_timer = {
+ .name = "ohci-core/eof-timer",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .minimum_version_id_old = 1,
+ .pre_load = ohci_eof_timer_pre_load,
+ .fields = (VMStateField []) {
+ VMSTATE_TIMER(eof_timer, OHCIState),
+ VMSTATE_END_OF_LIST()
+ },
+};
+
+const VMStateDescription vmstate_ohci_state = {
+ .name = "ohci-core",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .fields = (VMStateField[]) {
+ VMSTATE_INT64(sof_time, OHCIState),
+ VMSTATE_UINT32(ctl, OHCIState),
+ VMSTATE_UINT32(status, OHCIState),
+ VMSTATE_UINT32(intr_status, OHCIState),
+ VMSTATE_UINT32(intr, OHCIState),
+ VMSTATE_UINT32(hcca, OHCIState),
+ VMSTATE_UINT32(ctrl_head, OHCIState),
+ VMSTATE_UINT32(ctrl_cur, OHCIState),
+ VMSTATE_UINT32(bulk_head, OHCIState),
+ VMSTATE_UINT32(bulk_cur, OHCIState),
+ VMSTATE_UINT32(per_cur, OHCIState),
+ VMSTATE_UINT32(done, OHCIState),
+ VMSTATE_INT32(done_count, OHCIState),
+ VMSTATE_UINT16(fsmps, OHCIState),
+ VMSTATE_UINT8(fit, OHCIState),
+ VMSTATE_UINT16(fi, OHCIState),
+ VMSTATE_UINT8(frt, OHCIState),
+ VMSTATE_UINT16(frame_number, OHCIState),
+ VMSTATE_UINT16(padding, OHCIState),
+ VMSTATE_UINT32(pstart, OHCIState),
+ VMSTATE_UINT32(lst, OHCIState),
+ VMSTATE_UINT32(rhdesc_a, OHCIState),
+ VMSTATE_UINT32(rhdesc_b, OHCIState),
+ VMSTATE_UINT32(rhstatus, OHCIState),
+ VMSTATE_STRUCT_ARRAY(rhport, OHCIState, OHCI_MAX_PORTS, 0,
+ vmstate_ohci_state_port, OHCIPort),
+ VMSTATE_UINT32(hstatus, OHCIState),
+ VMSTATE_UINT32(hmask, OHCIState),
+ VMSTATE_UINT32(hreset, OHCIState),
+ VMSTATE_UINT32(htest, OHCIState),
+ VMSTATE_UINT32(old_ctl, OHCIState),
+ VMSTATE_UINT8_ARRAY(usb_buf, OHCIState, 8192),
+ VMSTATE_UINT32(async_td, OHCIState),
+ VMSTATE_BOOL(async_complete, OHCIState),
+ VMSTATE_END_OF_LIST()
+ },
+ .subsections = (VMStateSubsection []) {
+ {
+ .vmsd = &vmstate_ohci_eof_timer,
+ .needed = ohci_eof_timer_needed,
+ } , {
+ /* empty */
+ }
+ }
+};
+
+static const VMStateDescription vmstate_ohci = {
+ .name = "ohci",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .minimum_version_id_old = 1,
+ .fields = (VMStateField[]) {
+ VMSTATE_PCI_DEVICE(parent_obj, OHCIPCIState),
+ VMSTATE_STRUCT(state, OHCIPCIState, 1, vmstate_ohci_state, OHCIState),
+ VMSTATE_END_OF_LIST()
+ }
+};
+
static void ohci_pci_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
@@ -1997,6 +2099,7 @@ static void ohci_pci_class_init(ObjectClass *klass, void *data)
dc->desc = "Apple USB Controller";
dc->props = ohci_pci_properties;
dc->hotpluggable = false;
+ dc->vmsd = &vmstate_ohci;
}
static const TypeInfo ohci_pci_info = {