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-rw-r--r--docs/specs/pci-ids.txt1
-rw-r--r--hw/usb/dev-smartcard-reader.c136
-rw-r--r--hw/usb/hcd-ehci-pci.c9
-rw-r--r--hw/usb/hcd-ehci.c5
-rw-r--r--hw/usb/hcd-ehci.h1
-rw-r--r--hw/usb/hcd-ohci.c11
-rw-r--r--hw/usb/hcd-xhci.c247
-rw-r--r--hw/usb/trace-events1
-rw-r--r--include/hw/pci/pci.h1
9 files changed, 191 insertions, 221 deletions
diff --git a/docs/specs/pci-ids.txt b/docs/specs/pci-ids.txt
index 16fdb0c93f..95adee07d6 100644
--- a/docs/specs/pci-ids.txt
+++ b/docs/specs/pci-ids.txt
@@ -61,6 +61,7 @@ PCI devices (other than virtio):
1b36:0009 PCI Expander Bridge (-device pxb)
1b36:000a PCI-PCI bridge (multiseat)
1b36:000b PCIe Expander Bridge (-device pxb-pcie)
+1b36:000d PCI xhci usb host adapter
All these devices are documented in docs/specs.
diff --git a/hw/usb/dev-smartcard-reader.c b/hw/usb/dev-smartcard-reader.c
index 1325ea1659..7cd4ed0d17 100644
--- a/hw/usb/dev-smartcard-reader.c
+++ b/hw/usb/dev-smartcard-reader.c
@@ -1001,80 +1001,92 @@ static void ccid_handle_bulk_out(USBCCIDState *s, USBPacket *p)
CCID_Header *ccid_header;
if (p->iov.size + s->bulk_out_pos > BULK_OUT_DATA_SIZE) {
- p->status = USB_RET_STALL;
- return;
+ goto err;
}
- ccid_header = (CCID_Header *)s->bulk_out_data;
usb_packet_copy(p, s->bulk_out_data + s->bulk_out_pos, p->iov.size);
s->bulk_out_pos += p->iov.size;
- if (p->iov.size == CCID_MAX_PACKET_SIZE) {
+ if (s->bulk_out_pos < 10) {
+ DPRINTF(s, 1, "%s: header incomplete\n", __func__);
+ goto err;
+ }
+
+ ccid_header = (CCID_Header *)s->bulk_out_data;
+ if ((s->bulk_out_pos - 10 < ccid_header->dwLength) &&
+ (p->iov.size == CCID_MAX_PACKET_SIZE)) {
DPRINTF(s, D_VERBOSE,
- "usb-ccid: bulk_in: expecting more packets (%zd/%d)\n",
- p->iov.size, ccid_header->dwLength);
+ "usb-ccid: bulk_in: expecting more packets (%d/%d)\n",
+ s->bulk_out_pos - 10, ccid_header->dwLength);
return;
}
- if (s->bulk_out_pos < 10) {
+ if (s->bulk_out_pos - 10 != ccid_header->dwLength) {
DPRINTF(s, 1,
- "%s: bad USB_TOKEN_OUT length, should be at least 10 bytes\n",
- __func__);
- } else {
- DPRINTF(s, D_MORE_INFO, "%s %x %s\n", __func__,
- ccid_header->bMessageType,
- ccid_message_type_to_str(ccid_header->bMessageType));
- switch (ccid_header->bMessageType) {
- case CCID_MESSAGE_TYPE_PC_to_RDR_GetSlotStatus:
- ccid_write_slot_status(s, ccid_header);
- break;
- case CCID_MESSAGE_TYPE_PC_to_RDR_IccPowerOn:
- DPRINTF(s, 1, "%s: PowerOn: %d\n", __func__,
+ "usb-ccid: bulk_in: message size mismatch (got %d, expected %d)\n",
+ s->bulk_out_pos - 10, ccid_header->dwLength);
+ goto err;
+ }
+
+ DPRINTF(s, D_MORE_INFO, "%s %x %s\n", __func__,
+ ccid_header->bMessageType,
+ ccid_message_type_to_str(ccid_header->bMessageType));
+ switch (ccid_header->bMessageType) {
+ case CCID_MESSAGE_TYPE_PC_to_RDR_GetSlotStatus:
+ ccid_write_slot_status(s, ccid_header);
+ break;
+ case CCID_MESSAGE_TYPE_PC_to_RDR_IccPowerOn:
+ DPRINTF(s, 1, "%s: PowerOn: %d\n", __func__,
((CCID_IccPowerOn *)(ccid_header))->bPowerSelect);
- s->powered = true;
- if (!ccid_card_inserted(s)) {
- ccid_report_error_failed(s, ERROR_ICC_MUTE);
- }
- /* atr is written regardless of error. */
- ccid_write_data_block_atr(s, ccid_header);
- break;
- case CCID_MESSAGE_TYPE_PC_to_RDR_IccPowerOff:
- ccid_reset_error_status(s);
- s->powered = false;
- ccid_write_slot_status(s, ccid_header);
- break;
- case CCID_MESSAGE_TYPE_PC_to_RDR_XfrBlock:
- ccid_on_apdu_from_guest(s, (CCID_XferBlock *)s->bulk_out_data);
- break;
- case CCID_MESSAGE_TYPE_PC_to_RDR_SetParameters:
- ccid_reset_error_status(s);
- ccid_set_parameters(s, ccid_header);
- ccid_write_parameters(s, ccid_header);
- break;
- case CCID_MESSAGE_TYPE_PC_to_RDR_ResetParameters:
- ccid_reset_error_status(s);
- ccid_reset_parameters(s);
- ccid_write_parameters(s, ccid_header);
- break;
- case CCID_MESSAGE_TYPE_PC_to_RDR_GetParameters:
- ccid_reset_error_status(s);
- ccid_write_parameters(s, ccid_header);
- break;
- case CCID_MESSAGE_TYPE_PC_to_RDR_Mechanical:
- ccid_report_error_failed(s, 0);
- ccid_write_slot_status(s, ccid_header);
- break;
- default:
- DPRINTF(s, 1,
+ s->powered = true;
+ if (!ccid_card_inserted(s)) {
+ ccid_report_error_failed(s, ERROR_ICC_MUTE);
+ }
+ /* atr is written regardless of error. */
+ ccid_write_data_block_atr(s, ccid_header);
+ break;
+ case CCID_MESSAGE_TYPE_PC_to_RDR_IccPowerOff:
+ ccid_reset_error_status(s);
+ s->powered = false;
+ ccid_write_slot_status(s, ccid_header);
+ break;
+ case CCID_MESSAGE_TYPE_PC_to_RDR_XfrBlock:
+ ccid_on_apdu_from_guest(s, (CCID_XferBlock *)s->bulk_out_data);
+ break;
+ case CCID_MESSAGE_TYPE_PC_to_RDR_SetParameters:
+ ccid_reset_error_status(s);
+ ccid_set_parameters(s, ccid_header);
+ ccid_write_parameters(s, ccid_header);
+ break;
+ case CCID_MESSAGE_TYPE_PC_to_RDR_ResetParameters:
+ ccid_reset_error_status(s);
+ ccid_reset_parameters(s);
+ ccid_write_parameters(s, ccid_header);
+ break;
+ case CCID_MESSAGE_TYPE_PC_to_RDR_GetParameters:
+ ccid_reset_error_status(s);
+ ccid_write_parameters(s, ccid_header);
+ break;
+ case CCID_MESSAGE_TYPE_PC_to_RDR_Mechanical:
+ ccid_report_error_failed(s, 0);
+ ccid_write_slot_status(s, ccid_header);
+ break;
+ default:
+ DPRINTF(s, 1,
"handle_data: ERROR: unhandled message type %Xh\n",
ccid_header->bMessageType);
- /*
- * The caller is expecting the device to respond, tell it we
- * don't support the operation.
- */
- ccid_report_error_failed(s, ERROR_CMD_NOT_SUPPORTED);
- ccid_write_slot_status(s, ccid_header);
- break;
- }
+ /*
+ * The caller is expecting the device to respond, tell it we
+ * don't support the operation.
+ */
+ ccid_report_error_failed(s, ERROR_CMD_NOT_SUPPORTED);
+ ccid_write_slot_status(s, ccid_header);
+ break;
}
s->bulk_out_pos = 0;
+ return;
+
+err:
+ p->status = USB_RET_STALL;
+ s->bulk_out_pos = 0;
+ return;
}
static void ccid_bulk_in_copy_to_guest(USBCCIDState *s, USBPacket *p)
diff --git a/hw/usb/hcd-ehci-pci.c b/hw/usb/hcd-ehci-pci.c
index 56577051e2..6dedcb8989 100644
--- a/hw/usb/hcd-ehci-pci.c
+++ b/hw/usb/hcd-ehci-pci.c
@@ -89,6 +89,14 @@ static void usb_ehci_pci_init(Object *obj)
usb_ehci_init(s, DEVICE(obj));
}
+static void usb_ehci_pci_finalize(Object *obj)
+{
+ EHCIPCIState *i = PCI_EHCI(obj);
+ EHCIState *s = &i->ehci;
+
+ usb_ehci_finalize(s);
+}
+
static void usb_ehci_pci_exit(PCIDevice *dev)
{
EHCIPCIState *i = PCI_EHCI(dev);
@@ -159,6 +167,7 @@ static const TypeInfo ehci_pci_type_info = {
.parent = TYPE_PCI_DEVICE,
.instance_size = sizeof(EHCIPCIState),
.instance_init = usb_ehci_pci_init,
+ .instance_finalize = usb_ehci_pci_finalize,
.abstract = true,
.class_init = ehci_class_init,
};
diff --git a/hw/usb/hcd-ehci.c b/hw/usb/hcd-ehci.c
index 7622a3ae72..50ef817f93 100644
--- a/hw/usb/hcd-ehci.c
+++ b/hw/usb/hcd-ehci.c
@@ -2545,6 +2545,11 @@ void usb_ehci_init(EHCIState *s, DeviceState *dev)
&s->mem_ports);
}
+void usb_ehci_finalize(EHCIState *s)
+{
+ usb_packet_cleanup(&s->ipacket);
+}
+
/*
* vim: expandtab ts=4
*/
diff --git a/hw/usb/hcd-ehci.h b/hw/usb/hcd-ehci.h
index 3fd7038658..938d8aa284 100644
--- a/hw/usb/hcd-ehci.h
+++ b/hw/usb/hcd-ehci.h
@@ -323,6 +323,7 @@ struct EHCIState {
extern const VMStateDescription vmstate_ehci;
void usb_ehci_init(EHCIState *s, DeviceState *dev);
+void usb_ehci_finalize(EHCIState *s);
void usb_ehci_realize(EHCIState *s, DeviceState *dev, Error **errp);
void usb_ehci_unrealize(EHCIState *s, DeviceState *dev, Error **errp);
void ehci_reset(void *opaque);
diff --git a/hw/usb/hcd-ohci.c b/hw/usb/hcd-ohci.c
index c82a92fff7..21c93e0372 100644
--- a/hw/usb/hcd-ohci.c
+++ b/hw/usb/hcd-ohci.c
@@ -42,6 +42,8 @@
#define OHCI_MAX_PORTS 15
+#define ED_LINK_LIMIT 4
+
static int64_t usb_frame_time;
static int64_t usb_bit_time;
@@ -725,7 +727,7 @@ static int ohci_service_iso_td(OHCIState *ohci, struct ohci_ed *ed,
if (ohci_read_iso_td(ohci, addr, &iso_td)) {
trace_usb_ohci_iso_td_read_failed(addr);
ohci_die(ohci);
- return 0;
+ return 1;
}
starting_frame = OHCI_BM(iso_td.flags, TD_SF);
@@ -1184,7 +1186,7 @@ static int ohci_service_ed_list(OHCIState *ohci, uint32_t head, int completion)
uint32_t next_ed;
uint32_t cur;
int active;
-
+ uint32_t link_cnt = 0;
active = 0;
if (head == 0)
@@ -1199,6 +1201,11 @@ static int ohci_service_ed_list(OHCIState *ohci, uint32_t head, int completion)
next_ed = ed.next & OHCI_DPTR_MASK;
+ if (++link_cnt > ED_LINK_LIMIT) {
+ ohci_die(ohci);
+ return 0;
+ }
+
if ((ed.head & OHCI_ED_H) || (ed.flags & OHCI_ED_K)) {
uint32_t addr;
/* Cancel pending packets for ED that have been paused. */
diff --git a/hw/usb/hcd-xhci.c b/hw/usb/hcd-xhci.c
index 54b3901c8c..28dd2f2c9a 100644
--- a/hw/usb/hcd-xhci.c
+++ b/hw/usb/hcd-xhci.c
@@ -49,11 +49,10 @@
/* Very pessimistic, let's hope it's enough for all cases */
#define EV_QUEUE (((3 * 24) + 16) * MAXSLOTS)
-/* Do not deliver ER Full events. NEC's driver does some things not bound
- * to the specs when it gets them */
-#define ER_FULL_HACK
#define TRB_LINK_LIMIT 4
+#define COMMAND_LIMIT 256
+#define TRANSFER_LIMIT 256
#define LEN_CAP 0x40
#define LEN_OPER (0x400 + 0x10 * MAXPORTS)
@@ -199,7 +198,6 @@ typedef enum TRBType {
ER_DEVICE_NOTIFICATION,
ER_MFINDEX_WRAP,
/* vendor specific bits */
- CR_VENDOR_VIA_CHALLENGE_RESPONSE = 48,
CR_VENDOR_NEC_FIRMWARE_REVISION = 49,
CR_VENDOR_NEC_CHALLENGE_RESPONSE = 50,
} TRBType;
@@ -431,12 +429,14 @@ typedef struct XHCIInterrupter {
uint32_t erdp_low;
uint32_t erdp_high;
- bool msix_used, er_pcs, er_full;
+ bool msix_used, er_pcs;
dma_addr_t er_start;
uint32_t er_size;
unsigned int er_ep_idx;
+ /* kept for live migration compat only */
+ bool er_full_unused;
XHCIEvent ev_buffer[EV_QUEUE];
unsigned int ev_buffer_put;
unsigned int ev_buffer_get;
@@ -486,9 +486,13 @@ struct XHCIState {
XHCIInterrupter intr[MAXINTRS];
XHCIRing cmd_ring;
+
+ bool nec_quirks;
};
-#define TYPE_XHCI "nec-usb-xhci"
+#define TYPE_XHCI "base-xhci"
+#define TYPE_NEC_XHCI "nec-usb-xhci"
+#define TYPE_QEMU_XHCI "qemu-xhci"
#define XHCI(obj) \
OBJECT_CHECK(XHCIState, (obj), TYPE_XHCI)
@@ -549,7 +553,6 @@ static const char *TRBType_names[] = {
[ER_HOST_CONTROLLER] = "ER_HOST_CONTROLLER",
[ER_DEVICE_NOTIFICATION] = "ER_DEVICE_NOTIFICATION",
[ER_MFINDEX_WRAP] = "ER_MFINDEX_WRAP",
- [CR_VENDOR_VIA_CHALLENGE_RESPONSE] = "CR_VENDOR_VIA_CHALLENGE_RESPONSE",
[CR_VENDOR_NEC_FIRMWARE_REVISION] = "CR_VENDOR_NEC_FIRMWARE_REVISION",
[CR_VENDOR_NEC_CHALLENGE_RESPONSE] = "CR_VENDOR_NEC_CHALLENGE_RESPONSE",
};
@@ -826,7 +829,7 @@ static void xhci_intr_raise(XHCIState *xhci, int v)
static inline int xhci_running(XHCIState *xhci)
{
- return !(xhci->usbsts & USBSTS_HCH) && !xhci->intr[0].er_full;
+ return !(xhci->usbsts & USBSTS_HCH);
}
static void xhci_die(XHCIState *xhci)
@@ -865,74 +868,6 @@ static void xhci_write_event(XHCIState *xhci, XHCIEvent *event, int v)
}
}
-static void xhci_events_update(XHCIState *xhci, int v)
-{
- XHCIInterrupter *intr = &xhci->intr[v];
- dma_addr_t erdp;
- unsigned int dp_idx;
- bool do_irq = 0;
-
- if (xhci->usbsts & USBSTS_HCH) {
- return;
- }
-
- erdp = xhci_addr64(intr->erdp_low, intr->erdp_high);
- if (erdp < intr->er_start ||
- erdp >= (intr->er_start + TRB_SIZE*intr->er_size)) {
- DPRINTF("xhci: ERDP out of bounds: "DMA_ADDR_FMT"\n", erdp);
- DPRINTF("xhci: ER[%d] at "DMA_ADDR_FMT" len %d\n",
- v, intr->er_start, intr->er_size);
- xhci_die(xhci);
- return;
- }
- dp_idx = (erdp - intr->er_start) / TRB_SIZE;
- assert(dp_idx < intr->er_size);
-
- /* NEC didn't read section 4.9.4 of the spec (v1.0 p139 top Note) and thus
- * deadlocks when the ER is full. Hack it by holding off events until
- * the driver decides to free at least half of the ring */
- if (intr->er_full) {
- int er_free = dp_idx - intr->er_ep_idx;
- if (er_free <= 0) {
- er_free += intr->er_size;
- }
- if (er_free < (intr->er_size/2)) {
- DPRINTF("xhci_events_update(): event ring still "
- "more than half full (hack)\n");
- return;
- }
- }
-
- while (intr->ev_buffer_put != intr->ev_buffer_get) {
- assert(intr->er_full);
- if (((intr->er_ep_idx+1) % intr->er_size) == dp_idx) {
- DPRINTF("xhci_events_update(): event ring full again\n");
-#ifndef ER_FULL_HACK
- XHCIEvent full = {ER_HOST_CONTROLLER, CC_EVENT_RING_FULL_ERROR};
- xhci_write_event(xhci, &full, v);
-#endif
- do_irq = 1;
- break;
- }
- XHCIEvent *event = &intr->ev_buffer[intr->ev_buffer_get];
- xhci_write_event(xhci, event, v);
- intr->ev_buffer_get++;
- do_irq = 1;
- if (intr->ev_buffer_get == EV_QUEUE) {
- intr->ev_buffer_get = 0;
- }
- }
-
- if (do_irq) {
- xhci_intr_raise(xhci, v);
- }
-
- if (intr->er_full && intr->ev_buffer_put == intr->ev_buffer_get) {
- DPRINTF("xhci_events_update(): event ring no longer full\n");
- intr->er_full = 0;
- }
-}
-
static void xhci_event(XHCIState *xhci, XHCIEvent *event, int v)
{
XHCIInterrupter *intr;
@@ -945,19 +880,6 @@ static void xhci_event(XHCIState *xhci, XHCIEvent *event, int v)
}
intr = &xhci->intr[v];
- if (intr->er_full) {
- DPRINTF("xhci_event(): ER full, queueing\n");
- if (((intr->ev_buffer_put+1) % EV_QUEUE) == intr->ev_buffer_get) {
- DPRINTF("xhci: event queue full, dropping event!\n");
- return;
- }
- intr->ev_buffer[intr->ev_buffer_put++] = *event;
- if (intr->ev_buffer_put == EV_QUEUE) {
- intr->ev_buffer_put = 0;
- }
- return;
- }
-
erdp = xhci_addr64(intr->erdp_low, intr->erdp_high);
if (erdp < intr->er_start ||
erdp >= (intr->er_start + TRB_SIZE*intr->er_size)) {
@@ -971,21 +893,12 @@ static void xhci_event(XHCIState *xhci, XHCIEvent *event, int v)
dp_idx = (erdp - intr->er_start) / TRB_SIZE;
assert(dp_idx < intr->er_size);
- if ((intr->er_ep_idx+1) % intr->er_size == dp_idx) {
- DPRINTF("xhci_event(): ER full, queueing\n");
-#ifndef ER_FULL_HACK
+ if ((intr->er_ep_idx + 2) % intr->er_size == dp_idx) {
+ DPRINTF("xhci: ER %d full, send ring full error\n", v);
XHCIEvent full = {ER_HOST_CONTROLLER, CC_EVENT_RING_FULL_ERROR};
- xhci_write_event(xhci, &full);
-#endif
- intr->er_full = 1;
- if (((intr->ev_buffer_put+1) % EV_QUEUE) == intr->ev_buffer_get) {
- DPRINTF("xhci: event queue full, dropping event!\n");
- return;
- }
- intr->ev_buffer[intr->ev_buffer_put++] = *event;
- if (intr->ev_buffer_put == EV_QUEUE) {
- intr->ev_buffer_put = 0;
- }
+ xhci_write_event(xhci, &full, v);
+ } else if ((intr->er_ep_idx + 1) % intr->er_size == dp_idx) {
+ DPRINTF("xhci: ER %d full, drop event\n", v);
} else {
xhci_write_event(xhci, event, v);
}
@@ -1032,6 +945,7 @@ static TRBType xhci_ring_fetch(XHCIState *xhci, XHCIRing *ring, XHCITRB *trb,
return type;
} else {
if (++link_cnt > TRB_LINK_LIMIT) {
+ trace_usb_xhci_enforced_limit("trb-link");
return 0;
}
ring->dequeue = xhci_mask64(trb->parameter);
@@ -1124,7 +1038,6 @@ static void xhci_er_reset(XHCIState *xhci, int v)
intr->er_ep_idx = 0;
intr->er_pcs = 1;
- intr->er_full = 0;
DPRINTF("xhci: event ring[%d]:" DMA_ADDR_FMT " [%d]\n",
v, intr->er_start, intr->er_size);
@@ -2150,6 +2063,7 @@ static void xhci_kick_epctx(XHCIEPContext *epctx, unsigned int streamid)
XHCIRing *ring;
USBEndpoint *ep = NULL;
uint64_t mfindex;
+ unsigned int count = 0;
int length;
int i;
@@ -2262,6 +2176,10 @@ static void xhci_kick_epctx(XHCIEPContext *epctx, unsigned int streamid)
epctx->retry = xfer;
break;
}
+ if (count++ > TRANSFER_LIMIT) {
+ trace_usb_xhci_enforced_limit("transfers");
+ break;
+ }
}
epctx->kick_active--;
@@ -2702,39 +2620,13 @@ static uint32_t xhci_nec_challenge(uint32_t hi, uint32_t lo)
return ~val;
}
-static void xhci_via_challenge(XHCIState *xhci, uint64_t addr)
-{
- PCIDevice *pci_dev = PCI_DEVICE(xhci);
- uint32_t buf[8];
- uint32_t obuf[8];
- dma_addr_t paddr = xhci_mask64(addr);
-
- pci_dma_read(pci_dev, paddr, &buf, 32);
-
- memcpy(obuf, buf, sizeof(obuf));
-
- if ((buf[0] & 0xff) == 2) {
- obuf[0] = 0x49932000 + 0x54dc200 * buf[2] + 0x7429b578 * buf[3];
- obuf[0] |= (buf[2] * buf[3]) & 0xff;
- obuf[1] = 0x0132bb37 + 0xe89 * buf[2] + 0xf09 * buf[3];
- obuf[2] = 0x0066c2e9 + 0x2091 * buf[2] + 0x19bd * buf[3];
- obuf[3] = 0xd5281342 + 0x2cc9691 * buf[2] + 0x2367662 * buf[3];
- obuf[4] = 0x0123c75c + 0x1595 * buf[2] + 0x19ec * buf[3];
- obuf[5] = 0x00f695de + 0x26fd * buf[2] + 0x3e9 * buf[3];
- obuf[6] = obuf[2] ^ obuf[3] ^ 0x29472956;
- obuf[7] = obuf[2] ^ obuf[3] ^ 0x65866593;
- }
-
- pci_dma_write(pci_dev, paddr, &obuf, 32);
-}
-
static void xhci_process_commands(XHCIState *xhci)
{
XHCITRB trb;
TRBType type;
XHCIEvent event = {ER_COMMAND_COMPLETE, CC_SUCCESS};
dma_addr_t addr;
- unsigned int i, slotid = 0;
+ unsigned int i, slotid = 0, count = 0;
DPRINTF("xhci_process_commands()\n");
if (!xhci_running(xhci)) {
@@ -2823,24 +2715,27 @@ static void xhci_process_commands(XHCIState *xhci)
case CR_GET_PORT_BANDWIDTH:
event.ccode = xhci_get_port_bandwidth(xhci, trb.parameter);
break;
- case CR_VENDOR_VIA_CHALLENGE_RESPONSE:
- xhci_via_challenge(xhci, trb.parameter);
- break;
case CR_VENDOR_NEC_FIRMWARE_REVISION:
- event.type = 48; /* NEC reply */
- event.length = 0x3025;
+ if (xhci->nec_quirks) {
+ event.type = 48; /* NEC reply */
+ event.length = 0x3025;
+ } else {
+ event.ccode = CC_TRB_ERROR;
+ }
break;
case CR_VENDOR_NEC_CHALLENGE_RESPONSE:
- {
- uint32_t chi = trb.parameter >> 32;
- uint32_t clo = trb.parameter;
- uint32_t val = xhci_nec_challenge(chi, clo);
- event.length = val & 0xFFFF;
- event.epid = val >> 16;
- slotid = val >> 24;
- event.type = 48; /* NEC reply */
- }
- break;
+ if (xhci->nec_quirks) {
+ uint32_t chi = trb.parameter >> 32;
+ uint32_t clo = trb.parameter;
+ uint32_t val = xhci_nec_challenge(chi, clo);
+ event.length = val & 0xFFFF;
+ event.epid = val >> 16;
+ slotid = val >> 24;
+ event.type = 48; /* NEC reply */
+ } else {
+ event.ccode = CC_TRB_ERROR;
+ }
+ break;
default:
trace_usb_xhci_unimplemented("command", type);
event.ccode = CC_TRB_ERROR;
@@ -2848,6 +2743,11 @@ static void xhci_process_commands(XHCIState *xhci)
}
event.slotid = slotid;
xhci_event(xhci, &event, 0);
+
+ if (count++ > COMMAND_LIMIT) {
+ trace_usb_xhci_enforced_limit("commands");
+ return;
+ }
}
}
@@ -2978,7 +2878,6 @@ static void xhci_reset(DeviceState *dev)
xhci->intr[i].er_ep_idx = 0;
xhci->intr[i].er_pcs = 1;
- xhci->intr[i].er_full = 0;
xhci->intr[i].ev_buffer_put = 0;
xhci->intr[i].ev_buffer_get = 0;
}
@@ -3343,9 +3242,12 @@ static void xhci_runtime_write(void *ptr, hwaddr reg,
intr->erstsz = val & 0xffff;
break;
case 0x10: /* ERSTBA low */
- /* XXX NEC driver bug: it doesn't align this to 64 bytes
- intr->erstba_low = val & 0xffffffc0; */
- intr->erstba_low = val & 0xfffffff0;
+ if (xhci->nec_quirks) {
+ /* NEC driver bug: it doesn't align this to 64 bytes */
+ intr->erstba_low = val & 0xfffffff0;
+ } else {
+ intr->erstba_low = val & 0xffffffc0;
+ }
break;
case 0x14: /* ERSTBA high */
intr->erstba_high = val;
@@ -3368,7 +3270,6 @@ static void xhci_runtime_write(void *ptr, hwaddr reg,
break;
case 0x1c: /* ERDP high */
intr->erdp_high = val;
- xhci_events_update(xhci, v);
break;
default:
trace_usb_xhci_unimplemented("oper write", reg);
@@ -3641,6 +3542,9 @@ static void usb_xhci_realize(struct PCIDevice *dev, Error **errp)
dev->config[PCI_CACHE_LINE_SIZE] = 0x10;
dev->config[0x60] = 0x30; /* release number */
+ if (strcmp(object_get_typename(OBJECT(dev)), TYPE_NEC_XHCI) == 0) {
+ xhci->nec_quirks = true;
+ }
if (xhci->numintrs > MAXINTRS) {
xhci->numintrs = MAXINTRS;
}
@@ -3866,8 +3770,7 @@ static const VMStateDescription vmstate_xhci_event = {
static bool xhci_er_full(void *opaque, int version_id)
{
- struct XHCIInterrupter *intr = opaque;
- return intr->er_full;
+ return false;
}
static const VMStateDescription vmstate_xhci_intr = {
@@ -3891,7 +3794,7 @@ static const VMStateDescription vmstate_xhci_intr = {
VMSTATE_UINT32(er_ep_idx, XHCIInterrupter),
/* event queue (used if ring is full) */
- VMSTATE_BOOL(er_full, XHCIInterrupter),
+ VMSTATE_BOOL(er_full_unused, XHCIInterrupter),
VMSTATE_UINT32_TEST(ev_buffer_put, XHCIInterrupter, xhci_er_full),
VMSTATE_UINT32_TEST(ev_buffer_get, XHCIInterrupter, xhci_er_full),
VMSTATE_STRUCT_ARRAY_TEST(ev_buffer, XHCIInterrupter, EV_QUEUE,
@@ -3963,10 +3866,7 @@ static void xhci_class_init(ObjectClass *klass, void *data)
set_bit(DEVICE_CATEGORY_USB, dc->categories);
k->realize = usb_xhci_realize;
k->exit = usb_xhci_exit;
- k->vendor_id = PCI_VENDOR_ID_NEC;
- k->device_id = PCI_DEVICE_ID_NEC_UPD720200;
k->class_id = PCI_CLASS_SERIAL_USB;
- k->revision = 0x03;
k->is_express = 1;
}
@@ -3975,11 +3875,44 @@ static const TypeInfo xhci_info = {
.parent = TYPE_PCI_DEVICE,
.instance_size = sizeof(XHCIState),
.class_init = xhci_class_init,
+ .abstract = true,
+};
+
+static void nec_xhci_class_init(ObjectClass *klass, void *data)
+{
+ PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
+
+ k->vendor_id = PCI_VENDOR_ID_NEC;
+ k->device_id = PCI_DEVICE_ID_NEC_UPD720200;
+ k->revision = 0x03;
+}
+
+static const TypeInfo nec_xhci_info = {
+ .name = TYPE_NEC_XHCI,
+ .parent = TYPE_XHCI,
+ .class_init = nec_xhci_class_init,
+};
+
+static void qemu_xhci_class_init(ObjectClass *klass, void *data)
+{
+ PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
+
+ k->vendor_id = PCI_VENDOR_ID_REDHAT;
+ k->device_id = PCI_DEVICE_ID_REDHAT_XHCI;
+ k->revision = 0x01;
+}
+
+static const TypeInfo qemu_xhci_info = {
+ .name = TYPE_QEMU_XHCI,
+ .parent = TYPE_XHCI,
+ .class_init = qemu_xhci_class_init,
};
static void xhci_register_types(void)
{
type_register_static(&xhci_info);
+ type_register_static(&nec_xhci_info);
+ type_register_static(&qemu_xhci_info);
}
type_init(xhci_register_types)
diff --git a/hw/usb/trace-events b/hw/usb/trace-events
index fdd1d29030..0c323d4cac 100644
--- a/hw/usb/trace-events
+++ b/hw/usb/trace-events
@@ -174,6 +174,7 @@ usb_xhci_xfer_retry(void *xfer) "%p"
usb_xhci_xfer_success(void *xfer, uint32_t bytes) "%p: len %d"
usb_xhci_xfer_error(void *xfer, uint32_t ret) "%p: ret %d"
usb_xhci_unimplemented(const char *item, int nr) "%s (0x%x)"
+usb_xhci_enforced_limit(const char *item) "%s"
# hw/usb/desc.c
usb_desc_device(int addr, int len, int ret) "dev %d query device, len %d, ret %d"
diff --git a/include/hw/pci/pci.h b/include/hw/pci/pci.h
index cbc1fdfb5b..05ef14b6f5 100644
--- a/include/hw/pci/pci.h
+++ b/include/hw/pci/pci.h
@@ -97,6 +97,7 @@
#define PCI_DEVICE_ID_REDHAT_BRIDGE_SEAT 0x000a
#define PCI_DEVICE_ID_REDHAT_PXB_PCIE 0x000b
#define PCI_DEVICE_ID_REDHAT_PCIE_RP 0x000c
+#define PCI_DEVICE_ID_REDHAT_XHCI 0x000d
#define PCI_DEVICE_ID_REDHAT_QXL 0x0100
#define FMT_PCIBUS PRIx64
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-01 06:23:36 +0000