* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#include "hw/hw.h"
-#include "qemu-timer.h"
+#include "qemu/timer.h"
#include "hw/usb.h"
-#include "hw/pci.h"
-#include "hw/msi.h"
+#include "hw/pci/pci.h"
+#include "hw/pci/msi.h"
+#include "hw/pci/msix.h"
#include "trace.h"
//#define DEBUG_XHCI
#define FIXME() do { fprintf(stderr, "FIXME %s:%d\n", \
__func__, __LINE__); abort(); } while (0)
-#define MAXSLOTS 8
-#define MAXINTRS 1
+#define MAXPORTS_2 15
+#define MAXPORTS_3 15
-#define USB2_PORTS 4
-#define USB3_PORTS 4
-
-#define MAXPORTS (USB2_PORTS+USB3_PORTS)
+#define MAXPORTS (MAXPORTS_2+MAXPORTS_3)
+#define MAXSLOTS 64
+#define MAXINTRS 16
#define TD_QUEUE 24
-#define BG_XFERS 8
-#define BG_PKTS 8
/* Very pessimistic, let's hope it's enough for all cases */
#define EV_QUEUE (((3*TD_QUEUE)+16)*MAXSLOTS)
#define ER_FULL_HACK
#define LEN_CAP 0x40
-#define OFF_OPER LEN_CAP
#define LEN_OPER (0x400 + 0x10 * MAXPORTS)
-#define OFF_RUNTIME ((OFF_OPER + LEN_OPER + 0x20) & ~0x1f)
-#define LEN_RUNTIME (0x20 + MAXINTRS * 0x20)
-#define OFF_DOORBELL (OFF_RUNTIME + LEN_RUNTIME)
+#define LEN_RUNTIME ((MAXINTRS + 1) * 0x20)
#define LEN_DOORBELL ((MAXSLOTS + 1) * 0x20)
+#define OFF_OPER LEN_CAP
+#define OFF_RUNTIME 0x1000
+#define OFF_DOORBELL 0x2000
+#define OFF_MSIX_TABLE 0x3000
+#define OFF_MSIX_PBA 0x3800
/* must be power of 2 */
-#define LEN_REGS 0x2000
+#define LEN_REGS 0x4000
+#if (OFF_OPER + LEN_OPER) > OFF_RUNTIME
+#error Increase OFF_RUNTIME
+#endif
+#if (OFF_RUNTIME + LEN_RUNTIME) > OFF_DOORBELL
+#error Increase OFF_DOORBELL
+#endif
#if (OFF_DOORBELL + LEN_DOORBELL) > LEN_REGS
# error Increase LEN_REGS
#endif
-#if MAXINTRS > 1
-# error TODO: only one interrupter supported
-#endif
-
/* bit definitions */
#define USBCMD_RS (1<<0)
#define USBCMD_HCRST (1<<1)
bool ccs;
} XHCITRB;
+enum {
+ PLS_U0 = 0,
+ PLS_U1 = 1,
+ PLS_U2 = 2,
+ PLS_U3 = 3,
+ PLS_DISABLED = 4,
+ PLS_RX_DETECT = 5,
+ PLS_INACTIVE = 6,
+ PLS_POLLING = 7,
+ PLS_RECOVERY = 8,
+ PLS_HOT_RESET = 9,
+ PLS_COMPILANCE_MODE = 10,
+ PLS_TEST_MODE = 11,
+ PLS_RESUME = 15,
+};
typedef enum TRBType {
TRB_RESERVED = 0,
#define TRB_LK_TC (1<<1)
+#define TRB_INTR_SHIFT 22
+#define TRB_INTR_MASK 0x3ff
+#define TRB_INTR(t) (((t).status >> TRB_INTR_SHIFT) & TRB_INTR_MASK)
+
#define EP_TYPE_MASK 0x7
#define EP_TYPE_SHIFT 3
#define SLOT_CONTEXT_ENTRIES_MASK 0x1f
#define SLOT_CONTEXT_ENTRIES_SHIFT 27
+typedef struct XHCIState XHCIState;
+
+#define get_field(data, field) \
+ (((data) >> field##_SHIFT) & field##_MASK)
+
+#define set_field(data, newval, field) do { \
+ uint32_t val = *data; \
+ val &= ~(field##_MASK << field##_SHIFT); \
+ val |= ((newval) & field##_MASK) << field##_SHIFT; \
+ *data = val; \
+ } while (0)
+
typedef enum EPType {
ET_INVALID = 0,
ET_ISO_OUT,
} XHCIRing;
typedef struct XHCIPort {
- USBPort port;
+ XHCIState *xhci;
uint32_t portsc;
+ uint32_t portnr;
+ USBPort *uport;
+ uint32_t speedmask;
+ char name[16];
+ MemoryRegion mem;
} XHCIPort;
-struct XHCIState;
-typedef struct XHCIState XHCIState;
-
typedef struct XHCITransfer {
XHCIState *xhci;
USBPacket packet;
+ QEMUSGList sgl;
bool running_async;
bool running_retry;
bool cancelled;
bool complete;
- bool backgrounded;
+ bool int_req;
unsigned int iso_pkts;
unsigned int slotid;
unsigned int epid;
bool in_xfer;
bool iso_xfer;
- bool bg_xfer;
unsigned int trb_count;
unsigned int trb_alloced;
XHCITRB *trbs;
- unsigned int data_length;
- unsigned int data_alloced;
- uint8_t *data;
-
TRBCCode status;
unsigned int pkts;
unsigned int pktsize;
unsigned int cur_pkt;
+
+ uint64_t mfindex_kick;
} XHCITransfer;
typedef struct XHCIEPContext {
+ XHCIState *xhci;
+ unsigned int slotid;
+ unsigned int epid;
+
XHCIRing ring;
unsigned int next_xfer;
unsigned int comp_xfer;
XHCITransfer transfers[TD_QUEUE];
XHCITransfer *retry;
- bool bg_running;
- bool bg_updating;
- unsigned int next_bg;
- XHCITransfer bg_transfers[BG_XFERS];
EPType type;
dma_addr_t pctx;
unsigned int max_psize;
- bool has_bg;
uint32_t state;
+
+ /* iso xfer scheduling */
+ unsigned int interval;
+ int64_t mfindex_last;
+ QEMUTimer *kick_timer;
} XHCIEPContext;
typedef struct XHCISlot {
bool enabled;
dma_addr_t ctx;
- unsigned int port;
+ USBPort *uport;
unsigned int devaddr;
XHCIEPContext * eps[31];
} XHCISlot;
uint8_t epid;
} XHCIEvent;
+typedef struct XHCIInterrupter {
+ uint32_t iman;
+ uint32_t imod;
+ uint32_t erstsz;
+ uint32_t erstba_low;
+ uint32_t erstba_high;
+ uint32_t erdp_low;
+ uint32_t erdp_high;
+
+ bool msix_used, er_pcs, er_full;
+
+ dma_addr_t er_start;
+ uint32_t er_size;
+ unsigned int er_ep_idx;
+
+ XHCIEvent ev_buffer[EV_QUEUE];
+ unsigned int ev_buffer_put;
+ unsigned int ev_buffer_get;
+
+} XHCIInterrupter;
+
struct XHCIState {
PCIDevice pci_dev;
USBBus bus;
qemu_irq irq;
MemoryRegion mem;
+ MemoryRegion mem_cap;
+ MemoryRegion mem_oper;
+ MemoryRegion mem_runtime;
+ MemoryRegion mem_doorbell;
const char *name;
- uint32_t msi;
unsigned int devaddr;
+ /* properties */
+ uint32_t numports_2;
+ uint32_t numports_3;
+ uint32_t numintrs;
+ uint32_t numslots;
+ uint32_t flags;
+
/* Operational Registers */
uint32_t usbcmd;
uint32_t usbsts;
uint32_t dcbaap_high;
uint32_t config;
+ USBPort uports[MAX(MAXPORTS_2, MAXPORTS_3)];
XHCIPort ports[MAXPORTS];
XHCISlot slots[MAXSLOTS];
+ uint32_t numports;
/* Runtime Registers */
- uint32_t mfindex;
- /* note: we only support one interrupter */
- uint32_t iman;
- uint32_t imod;
- uint32_t erstsz;
- uint32_t erstba_low;
- uint32_t erstba_high;
- uint32_t erdp_low;
- uint32_t erdp_high;
-
- dma_addr_t er_start;
- uint32_t er_size;
- bool er_pcs;
- unsigned int er_ep_idx;
- bool er_full;
-
- XHCIEvent ev_buffer[EV_QUEUE];
- unsigned int ev_buffer_put;
- unsigned int ev_buffer_get;
+ int64_t mfindex_start;
+ QEMUTimer *mfwrap_timer;
+ XHCIInterrupter intr[MAXINTRS];
XHCIRing cmd_ring;
};
uint32_t rsvd;
} XHCIEvRingSeg;
+enum xhci_flags {
+ XHCI_FLAG_USE_MSI = 1,
+ XHCI_FLAG_USE_MSI_X,
+};
+
+static void xhci_kick_ep(XHCIState *xhci, unsigned int slotid,
+ unsigned int epid);
+static TRBCCode xhci_disable_ep(XHCIState *xhci, unsigned int slotid,
+ unsigned int epid);
+static void xhci_event(XHCIState *xhci, XHCIEvent *event, int v);
+static void xhci_write_event(XHCIState *xhci, XHCIEvent *event, int v);
+
static const char *TRBType_names[] = {
[TRB_RESERVED] = "TRB_RESERVED",
[TR_NORMAL] = "TR_NORMAL",
[CR_VENDOR_NEC_CHALLENGE_RESPONSE] = "CR_VENDOR_NEC_CHALLENGE_RESPONSE",
};
+static const char *TRBCCode_names[] = {
+ [CC_INVALID] = "CC_INVALID",
+ [CC_SUCCESS] = "CC_SUCCESS",
+ [CC_DATA_BUFFER_ERROR] = "CC_DATA_BUFFER_ERROR",
+ [CC_BABBLE_DETECTED] = "CC_BABBLE_DETECTED",
+ [CC_USB_TRANSACTION_ERROR] = "CC_USB_TRANSACTION_ERROR",
+ [CC_TRB_ERROR] = "CC_TRB_ERROR",
+ [CC_STALL_ERROR] = "CC_STALL_ERROR",
+ [CC_RESOURCE_ERROR] = "CC_RESOURCE_ERROR",
+ [CC_BANDWIDTH_ERROR] = "CC_BANDWIDTH_ERROR",
+ [CC_NO_SLOTS_ERROR] = "CC_NO_SLOTS_ERROR",
+ [CC_INVALID_STREAM_TYPE_ERROR] = "CC_INVALID_STREAM_TYPE_ERROR",
+ [CC_SLOT_NOT_ENABLED_ERROR] = "CC_SLOT_NOT_ENABLED_ERROR",
+ [CC_EP_NOT_ENABLED_ERROR] = "CC_EP_NOT_ENABLED_ERROR",
+ [CC_SHORT_PACKET] = "CC_SHORT_PACKET",
+ [CC_RING_UNDERRUN] = "CC_RING_UNDERRUN",
+ [CC_RING_OVERRUN] = "CC_RING_OVERRUN",
+ [CC_VF_ER_FULL] = "CC_VF_ER_FULL",
+ [CC_PARAMETER_ERROR] = "CC_PARAMETER_ERROR",
+ [CC_BANDWIDTH_OVERRUN] = "CC_BANDWIDTH_OVERRUN",
+ [CC_CONTEXT_STATE_ERROR] = "CC_CONTEXT_STATE_ERROR",
+ [CC_NO_PING_RESPONSE_ERROR] = "CC_NO_PING_RESPONSE_ERROR",
+ [CC_EVENT_RING_FULL_ERROR] = "CC_EVENT_RING_FULL_ERROR",
+ [CC_INCOMPATIBLE_DEVICE_ERROR] = "CC_INCOMPATIBLE_DEVICE_ERROR",
+ [CC_MISSED_SERVICE_ERROR] = "CC_MISSED_SERVICE_ERROR",
+ [CC_COMMAND_RING_STOPPED] = "CC_COMMAND_RING_STOPPED",
+ [CC_COMMAND_ABORTED] = "CC_COMMAND_ABORTED",
+ [CC_STOPPED] = "CC_STOPPED",
+ [CC_STOPPED_LENGTH_INVALID] = "CC_STOPPED_LENGTH_INVALID",
+ [CC_MAX_EXIT_LATENCY_TOO_LARGE_ERROR]
+ = "CC_MAX_EXIT_LATENCY_TOO_LARGE_ERROR",
+ [CC_ISOCH_BUFFER_OVERRUN] = "CC_ISOCH_BUFFER_OVERRUN",
+ [CC_EVENT_LOST_ERROR] = "CC_EVENT_LOST_ERROR",
+ [CC_UNDEFINED_ERROR] = "CC_UNDEFINED_ERROR",
+ [CC_INVALID_STREAM_ID_ERROR] = "CC_INVALID_STREAM_ID_ERROR",
+ [CC_SECONDARY_BANDWIDTH_ERROR] = "CC_SECONDARY_BANDWIDTH_ERROR",
+ [CC_SPLIT_TRANSACTION_ERROR] = "CC_SPLIT_TRANSACTION_ERROR",
+};
+
static const char *lookup_name(uint32_t index, const char **list, uint32_t llen)
{
if (index >= llen || list[index] == NULL) {
ARRAY_SIZE(TRBType_names));
}
-static void xhci_kick_ep(XHCIState *xhci, unsigned int slotid,
- unsigned int epid);
+static const char *event_name(XHCIEvent *event)
+{
+ return lookup_name(event->ccode, TRBCCode_names,
+ ARRAY_SIZE(TRBCCode_names));
+}
+
+static uint64_t xhci_mfindex_get(XHCIState *xhci)
+{
+ int64_t now = qemu_get_clock_ns(vm_clock);
+ return (now - xhci->mfindex_start) / 125000;
+}
+
+static void xhci_mfwrap_update(XHCIState *xhci)
+{
+ const uint32_t bits = USBCMD_RS | USBCMD_EWE;
+ uint32_t mfindex, left;
+ int64_t now;
+
+ if ((xhci->usbcmd & bits) == bits) {
+ now = qemu_get_clock_ns(vm_clock);
+ mfindex = ((now - xhci->mfindex_start) / 125000) & 0x3fff;
+ left = 0x4000 - mfindex;
+ qemu_mod_timer(xhci->mfwrap_timer, now + left * 125000);
+ } else {
+ qemu_del_timer(xhci->mfwrap_timer);
+ }
+}
+
+static void xhci_mfwrap_timer(void *opaque)
+{
+ XHCIState *xhci = opaque;
+ XHCIEvent wrap = { ER_MFINDEX_WRAP, CC_SUCCESS };
+
+ xhci_event(xhci, &wrap, 0);
+ xhci_mfwrap_update(xhci);
+}
static inline dma_addr_t xhci_addr64(uint32_t low, uint32_t high)
{
}
}
-static void xhci_irq_update(XHCIState *xhci)
+static inline void xhci_dma_read_u32s(XHCIState *xhci, dma_addr_t addr,
+ uint32_t *buf, size_t len)
+{
+ int i;
+
+ assert((len % sizeof(uint32_t)) == 0);
+
+ pci_dma_read(&xhci->pci_dev, addr, buf, len);
+
+ for (i = 0; i < (len / sizeof(uint32_t)); i++) {
+ buf[i] = le32_to_cpu(buf[i]);
+ }
+}
+
+static inline void xhci_dma_write_u32s(XHCIState *xhci, dma_addr_t addr,
+ uint32_t *buf, size_t len)
+{
+ int i;
+ uint32_t tmp[len / sizeof(uint32_t)];
+
+ assert((len % sizeof(uint32_t)) == 0);
+
+ for (i = 0; i < (len / sizeof(uint32_t)); i++) {
+ tmp[i] = cpu_to_le32(buf[i]);
+ }
+ pci_dma_write(&xhci->pci_dev, addr, tmp, len);
+}
+
+static XHCIPort *xhci_lookup_port(XHCIState *xhci, struct USBPort *uport)
+{
+ int index;
+
+ if (!uport->dev) {
+ return NULL;
+ }
+ switch (uport->dev->speed) {
+ case USB_SPEED_LOW:
+ case USB_SPEED_FULL:
+ case USB_SPEED_HIGH:
+ index = uport->index;
+ break;
+ case USB_SPEED_SUPER:
+ index = uport->index + xhci->numports_2;
+ break;
+ default:
+ return NULL;
+ }
+ return &xhci->ports[index];
+}
+
+static void xhci_intx_update(XHCIState *xhci)
{
int level = 0;
- if (xhci->iman & IMAN_IP && xhci->iman & IMAN_IE &&
+ if (msix_enabled(&xhci->pci_dev) ||
+ msi_enabled(&xhci->pci_dev)) {
+ return;
+ }
+
+ if (xhci->intr[0].iman & IMAN_IP &&
+ xhci->intr[0].iman & IMAN_IE &&
xhci->usbcmd & USBCMD_INTE) {
level = 1;
}
- if (xhci->msi && msi_enabled(&xhci->pci_dev)) {
- if (level) {
- trace_usb_xhci_irq_msi(0);
- msi_notify(&xhci->pci_dev, 0);
- }
+ trace_usb_xhci_irq_intx(level);
+ qemu_set_irq(xhci->irq, level);
+}
+
+static void xhci_msix_update(XHCIState *xhci, int v)
+{
+ bool enabled;
+
+ if (!msix_enabled(&xhci->pci_dev)) {
+ return;
+ }
+
+ enabled = xhci->intr[v].iman & IMAN_IE;
+ if (enabled == xhci->intr[v].msix_used) {
+ return;
+ }
+
+ if (enabled) {
+ trace_usb_xhci_irq_msix_use(v);
+ msix_vector_use(&xhci->pci_dev, v);
+ xhci->intr[v].msix_used = true;
} else {
- trace_usb_xhci_irq_intx(level);
- qemu_set_irq(xhci->irq, level);
+ trace_usb_xhci_irq_msix_unuse(v);
+ msix_vector_unuse(&xhci->pci_dev, v);
+ xhci->intr[v].msix_used = false;
+ }
+}
+
+static void xhci_intr_raise(XHCIState *xhci, int v)
+{
+ xhci->intr[v].erdp_low |= ERDP_EHB;
+ xhci->intr[v].iman |= IMAN_IP;
+ xhci->usbsts |= USBSTS_EINT;
+
+ if (!(xhci->intr[v].iman & IMAN_IE)) {
+ return;
+ }
+
+ if (!(xhci->usbcmd & USBCMD_INTE)) {
+ return;
+ }
+
+ if (msix_enabled(&xhci->pci_dev)) {
+ trace_usb_xhci_irq_msix(v);
+ msix_notify(&xhci->pci_dev, v);
+ return;
+ }
+
+ if (msi_enabled(&xhci->pci_dev)) {
+ trace_usb_xhci_irq_msi(v);
+ msi_notify(&xhci->pci_dev, v);
+ return;
+ }
+
+ if (v == 0) {
+ trace_usb_xhci_irq_intx(1);
+ qemu_set_irq(xhci->irq, 1);
}
}
static inline int xhci_running(XHCIState *xhci)
{
- return !(xhci->usbsts & USBSTS_HCH) && !xhci->er_full;
+ return !(xhci->usbsts & USBSTS_HCH) && !xhci->intr[0].er_full;
}
static void xhci_die(XHCIState *xhci)
fprintf(stderr, "xhci: asserted controller error\n");
}
-static void xhci_write_event(XHCIState *xhci, XHCIEvent *event)
+static void xhci_write_event(XHCIState *xhci, XHCIEvent *event, int v)
{
+ XHCIInterrupter *intr = &xhci->intr[v];
XHCITRB ev_trb;
dma_addr_t addr;
ev_trb.status = cpu_to_le32(event->length | (event->ccode << 24));
ev_trb.control = (event->slotid << 24) | (event->epid << 16) |
event->flags | (event->type << TRB_TYPE_SHIFT);
- if (xhci->er_pcs) {
+ if (intr->er_pcs) {
ev_trb.control |= TRB_C;
}
ev_trb.control = cpu_to_le32(ev_trb.control);
- trace_usb_xhci_queue_event(xhci->er_ep_idx, trb_name(&ev_trb),
- ev_trb.parameter, ev_trb.status, ev_trb.control);
+ trace_usb_xhci_queue_event(v, intr->er_ep_idx, trb_name(&ev_trb),
+ event_name(event), ev_trb.parameter,
+ ev_trb.status, ev_trb.control);
- addr = xhci->er_start + TRB_SIZE*xhci->er_ep_idx;
+ addr = intr->er_start + TRB_SIZE*intr->er_ep_idx;
pci_dma_write(&xhci->pci_dev, addr, &ev_trb, TRB_SIZE);
- xhci->er_ep_idx++;
- if (xhci->er_ep_idx >= xhci->er_size) {
- xhci->er_ep_idx = 0;
- xhci->er_pcs = !xhci->er_pcs;
+ intr->er_ep_idx++;
+ if (intr->er_ep_idx >= intr->er_size) {
+ intr->er_ep_idx = 0;
+ intr->er_pcs = !intr->er_pcs;
}
}
-static void xhci_events_update(XHCIState *xhci)
+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;
return;
}
- erdp = xhci_addr64(xhci->erdp_low, xhci->erdp_high);
- if (erdp < xhci->er_start ||
- erdp >= (xhci->er_start + TRB_SIZE*xhci->er_size)) {
+ erdp = xhci_addr64(intr->erdp_low, intr->erdp_high);
+ if (erdp < intr->er_start ||
+ erdp >= (intr->er_start + TRB_SIZE*intr->er_size)) {
fprintf(stderr, "xhci: ERDP out of bounds: "DMA_ADDR_FMT"\n", erdp);
- fprintf(stderr, "xhci: ER at "DMA_ADDR_FMT" len %d\n",
- xhci->er_start, xhci->er_size);
+ fprintf(stderr, "xhci: ER[%d] at "DMA_ADDR_FMT" len %d\n",
+ v, intr->er_start, intr->er_size);
xhci_die(xhci);
return;
}
- dp_idx = (erdp - xhci->er_start) / TRB_SIZE;
- assert(dp_idx < xhci->er_size);
+ 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 (xhci->er_full) {
- int er_free = dp_idx - xhci->er_ep_idx;
+ if (intr->er_full) {
+ int er_free = dp_idx - intr->er_ep_idx;
if (er_free <= 0) {
- er_free += xhci->er_size;
+ er_free += intr->er_size;
}
- if (er_free < (xhci->er_size/2)) {
+ if (er_free < (intr->er_size/2)) {
DPRINTF("xhci_events_update(): event ring still "
"more than half full (hack)\n");
return;
}
}
- while (xhci->ev_buffer_put != xhci->ev_buffer_get) {
- assert(xhci->er_full);
- if (((xhci->er_ep_idx+1) % xhci->er_size) == dp_idx) {
+ 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);
+ xhci_write_event(xhci, &full, v);
#endif
do_irq = 1;
break;
}
- XHCIEvent *event = &xhci->ev_buffer[xhci->ev_buffer_get];
- xhci_write_event(xhci, event);
- xhci->ev_buffer_get++;
+ XHCIEvent *event = &intr->ev_buffer[intr->ev_buffer_get];
+ xhci_write_event(xhci, event, v);
+ intr->ev_buffer_get++;
do_irq = 1;
- if (xhci->ev_buffer_get == EV_QUEUE) {
- xhci->ev_buffer_get = 0;
+ if (intr->ev_buffer_get == EV_QUEUE) {
+ intr->ev_buffer_get = 0;
}
}
if (do_irq) {
- xhci->erdp_low |= ERDP_EHB;
- xhci->iman |= IMAN_IP;
- xhci->usbsts |= USBSTS_EINT;
- xhci_irq_update(xhci);
+ xhci_intr_raise(xhci, v);
}
- if (xhci->er_full && xhci->ev_buffer_put == xhci->ev_buffer_get) {
+ if (intr->er_full && intr->ev_buffer_put == intr->ev_buffer_get) {
DPRINTF("xhci_events_update(): event ring no longer full\n");
- xhci->er_full = 0;
+ intr->er_full = 0;
}
- return;
}
-static void xhci_event(XHCIState *xhci, XHCIEvent *event)
+static void xhci_event(XHCIState *xhci, XHCIEvent *event, int v)
{
+ XHCIInterrupter *intr;
dma_addr_t erdp;
unsigned int dp_idx;
- if (xhci->er_full) {
+ if (v >= xhci->numintrs) {
+ DPRINTF("intr nr out of range (%d >= %d)\n", v, xhci->numintrs);
+ return;
+ }
+ intr = &xhci->intr[v];
+
+ if (intr->er_full) {
DPRINTF("xhci_event(): ER full, queueing\n");
- if (((xhci->ev_buffer_put+1) % EV_QUEUE) == xhci->ev_buffer_get) {
+ if (((intr->ev_buffer_put+1) % EV_QUEUE) == intr->ev_buffer_get) {
fprintf(stderr, "xhci: event queue full, dropping event!\n");
return;
}
- xhci->ev_buffer[xhci->ev_buffer_put++] = *event;
- if (xhci->ev_buffer_put == EV_QUEUE) {
- xhci->ev_buffer_put = 0;
+ intr->ev_buffer[intr->ev_buffer_put++] = *event;
+ if (intr->ev_buffer_put == EV_QUEUE) {
+ intr->ev_buffer_put = 0;
}
return;
}
- erdp = xhci_addr64(xhci->erdp_low, xhci->erdp_high);
- if (erdp < xhci->er_start ||
- erdp >= (xhci->er_start + TRB_SIZE*xhci->er_size)) {
+ erdp = xhci_addr64(intr->erdp_low, intr->erdp_high);
+ if (erdp < intr->er_start ||
+ erdp >= (intr->er_start + TRB_SIZE*intr->er_size)) {
fprintf(stderr, "xhci: ERDP out of bounds: "DMA_ADDR_FMT"\n", erdp);
- fprintf(stderr, "xhci: ER at "DMA_ADDR_FMT" len %d\n",
- xhci->er_start, xhci->er_size);
+ fprintf(stderr, "xhci: ER[%d] at "DMA_ADDR_FMT" len %d\n",
+ v, intr->er_start, intr->er_size);
xhci_die(xhci);
return;
}
- dp_idx = (erdp - xhci->er_start) / TRB_SIZE;
- assert(dp_idx < xhci->er_size);
+ dp_idx = (erdp - intr->er_start) / TRB_SIZE;
+ assert(dp_idx < intr->er_size);
- if ((xhci->er_ep_idx+1) % xhci->er_size == dp_idx) {
+ if ((intr->er_ep_idx+1) % intr->er_size == dp_idx) {
DPRINTF("xhci_event(): ER full, queueing\n");
#ifndef ER_FULL_HACK
XHCIEvent full = {ER_HOST_CONTROLLER, CC_EVENT_RING_FULL_ERROR};
xhci_write_event(xhci, &full);
#endif
- xhci->er_full = 1;
- if (((xhci->ev_buffer_put+1) % EV_QUEUE) == xhci->ev_buffer_get) {
+ intr->er_full = 1;
+ if (((intr->ev_buffer_put+1) % EV_QUEUE) == intr->ev_buffer_get) {
fprintf(stderr, "xhci: event queue full, dropping event!\n");
return;
}
- xhci->ev_buffer[xhci->ev_buffer_put++] = *event;
- if (xhci->ev_buffer_put == EV_QUEUE) {
- xhci->ev_buffer_put = 0;
+ intr->ev_buffer[intr->ev_buffer_put++] = *event;
+ if (intr->ev_buffer_put == EV_QUEUE) {
+ intr->ev_buffer_put = 0;
}
} else {
- xhci_write_event(xhci, event);
+ xhci_write_event(xhci, event, v);
}
- xhci->erdp_low |= ERDP_EHB;
- xhci->iman |= IMAN_IP;
- xhci->usbsts |= USBSTS_EINT;
-
- xhci_irq_update(xhci);
+ xhci_intr_raise(xhci, v);
}
static void xhci_ring_init(XHCIState *xhci, XHCIRing *ring,
}
}
-static void xhci_er_reset(XHCIState *xhci)
+static void xhci_er_reset(XHCIState *xhci, int v)
{
+ XHCIInterrupter *intr = &xhci->intr[v];
XHCIEvRingSeg seg;
+ if (intr->erstsz == 0) {
+ /* disabled */
+ intr->er_start = 0;
+ intr->er_size = 0;
+ return;
+ }
/* cache the (sole) event ring segment location */
- if (xhci->erstsz != 1) {
- fprintf(stderr, "xhci: invalid value for ERSTSZ: %d\n", xhci->erstsz);
+ if (intr->erstsz != 1) {
+ fprintf(stderr, "xhci: invalid value for ERSTSZ: %d\n", intr->erstsz);
xhci_die(xhci);
return;
}
- dma_addr_t erstba = xhci_addr64(xhci->erstba_low, xhci->erstba_high);
+ dma_addr_t erstba = xhci_addr64(intr->erstba_low, intr->erstba_high);
pci_dma_read(&xhci->pci_dev, erstba, &seg, sizeof(seg));
le32_to_cpus(&seg.addr_low);
le32_to_cpus(&seg.addr_high);
xhci_die(xhci);
return;
}
- xhci->er_start = xhci_addr64(seg.addr_low, seg.addr_high);
- xhci->er_size = seg.size;
+ intr->er_start = xhci_addr64(seg.addr_low, seg.addr_high);
+ intr->er_size = seg.size;
- xhci->er_ep_idx = 0;
- xhci->er_pcs = 1;
- xhci->er_full = 0;
+ intr->er_ep_idx = 0;
+ intr->er_pcs = 1;
+ intr->er_full = 0;
- DPRINTF("xhci: event ring:" DMA_ADDR_FMT " [%d]\n",
- xhci->er_start, xhci->er_size);
+ DPRINTF("xhci: event ring[%d]:" DMA_ADDR_FMT " [%d]\n",
+ v, intr->er_start, intr->er_size);
}
static void xhci_run(XHCIState *xhci)
{
trace_usb_xhci_run();
xhci->usbsts &= ~USBSTS_HCH;
+ xhci->mfindex_start = qemu_get_clock_ns(vm_clock);
}
static void xhci_stop(XHCIState *xhci)
uint32_t state)
{
uint32_t ctx[5];
- if (epctx->state == state) {
- return;
- }
- pci_dma_read(&xhci->pci_dev, epctx->pctx, ctx, sizeof(ctx));
+ xhci_dma_read_u32s(xhci, epctx->pctx, ctx, sizeof(ctx));
ctx[0] &= ~EP_STATE_MASK;
ctx[0] |= state;
ctx[2] = epctx->ring.dequeue | epctx->ring.ccs;
ctx[3] = (epctx->ring.dequeue >> 16) >> 16;
DPRINTF("xhci: set epctx: " DMA_ADDR_FMT " state=%d dequeue=%08x%08x\n",
epctx->pctx, state, ctx[3], ctx[2]);
- pci_dma_write(&xhci->pci_dev, epctx->pctx, ctx, sizeof(ctx));
+ xhci_dma_write_u32s(xhci, epctx->pctx, ctx, sizeof(ctx));
epctx->state = state;
}
+static void xhci_ep_kick_timer(void *opaque)
+{
+ XHCIEPContext *epctx = opaque;
+ xhci_kick_ep(epctx->xhci, epctx->slotid, epctx->epid);
+}
+
static TRBCCode xhci_enable_ep(XHCIState *xhci, unsigned int slotid,
unsigned int epid, dma_addr_t pctx,
uint32_t *ctx)
int i;
trace_usb_xhci_ep_enable(slotid, epid);
- assert(slotid >= 1 && slotid <= MAXSLOTS);
+ assert(slotid >= 1 && slotid <= xhci->numslots);
assert(epid >= 1 && epid <= 31);
slot = &xhci->slots[slotid-1];
if (slot->eps[epid-1]) {
- fprintf(stderr, "xhci: slot %d ep %d already enabled!\n", slotid, epid);
- return CC_TRB_ERROR;
+ xhci_disable_ep(xhci, slotid, epid);
}
epctx = g_malloc(sizeof(XHCIEPContext));
memset(epctx, 0, sizeof(XHCIEPContext));
+ epctx->xhci = xhci;
+ epctx->slotid = slotid;
+ epctx->epid = epid;
slot->eps[epid-1] = epctx;
epctx->pctx = pctx;
epctx->max_psize = ctx[1]>>16;
epctx->max_psize *= 1+((ctx[1]>>8)&0xff);
- epctx->has_bg = false;
- if (epctx->type == ET_ISO_IN) {
- epctx->has_bg = true;
- }
DPRINTF("xhci: endpoint %d.%d max transaction (burst) size is %d\n",
epid/2, epid%2, epctx->max_psize);
for (i = 0; i < ARRAY_SIZE(epctx->transfers); i++) {
usb_packet_init(&epctx->transfers[i].packet);
}
+ epctx->interval = 1 << (ctx[0] >> 16) & 0xff;
+ epctx->mfindex_last = 0;
+ epctx->kick_timer = qemu_new_timer_ns(vm_clock, xhci_ep_kick_timer, epctx);
+
epctx->state = EP_RUNNING;
ctx[0] &= ~EP_STATE_MASK;
ctx[0] |= EP_RUNNING;
return CC_SUCCESS;
}
+static int xhci_ep_nuke_one_xfer(XHCITransfer *t)
+{
+ int killed = 0;
+
+ if (t->running_async) {
+ usb_cancel_packet(&t->packet);
+ t->running_async = 0;
+ t->cancelled = 1;
+ DPRINTF("xhci: cancelling transfer, waiting for it to complete\n");
+ killed = 1;
+ }
+ if (t->running_retry) {
+ XHCIEPContext *epctx = t->xhci->slots[t->slotid-1].eps[t->epid-1];
+ if (epctx) {
+ epctx->retry = NULL;
+ qemu_del_timer(epctx->kick_timer);
+ }
+ t->running_retry = 0;
+ }
+ if (t->trbs) {
+ g_free(t->trbs);
+ }
+
+ t->trbs = NULL;
+ t->trb_count = t->trb_alloced = 0;
+
+ return killed;
+}
+
static int xhci_ep_nuke_xfers(XHCIState *xhci, unsigned int slotid,
unsigned int epid)
{
XHCISlot *slot;
XHCIEPContext *epctx;
int i, xferi, killed = 0;
- assert(slotid >= 1 && slotid <= MAXSLOTS);
+ assert(slotid >= 1 && slotid <= xhci->numslots);
assert(epid >= 1 && epid <= 31);
DPRINTF("xhci_ep_nuke_xfers(%d, %d)\n", slotid, epid);
xferi = epctx->next_xfer;
for (i = 0; i < TD_QUEUE; i++) {
- XHCITransfer *t = &epctx->transfers[xferi];
- if (t->running_async) {
- usb_cancel_packet(&t->packet);
- t->running_async = 0;
- t->cancelled = 1;
- DPRINTF("xhci: cancelling transfer %d, waiting for it to complete...\n", i);
- killed++;
- }
- if (t->running_retry) {
- t->running_retry = 0;
- epctx->retry = NULL;
- }
- if (t->backgrounded) {
- t->backgrounded = 0;
- }
- if (t->trbs) {
- g_free(t->trbs);
- }
- if (t->data) {
- g_free(t->data);
- }
-
- t->trbs = NULL;
- t->data = NULL;
- t->trb_count = t->trb_alloced = 0;
- t->data_length = t->data_alloced = 0;
+ killed += xhci_ep_nuke_one_xfer(&epctx->transfers[xferi]);
xferi = (xferi + 1) % TD_QUEUE;
}
- if (epctx->has_bg) {
- xferi = epctx->next_bg;
- for (i = 0; i < BG_XFERS; i++) {
- XHCITransfer *t = &epctx->bg_transfers[xferi];
- if (t->running_async) {
- usb_cancel_packet(&t->packet);
- t->running_async = 0;
- t->cancelled = 1;
- DPRINTF("xhci: cancelling bg transfer %d, waiting for it to complete...\n", i);
- killed++;
- }
- if (t->data) {
- g_free(t->data);
- }
-
- t->data = NULL;
- xferi = (xferi + 1) % BG_XFERS;
- }
- }
return killed;
}
XHCIEPContext *epctx;
trace_usb_xhci_ep_disable(slotid, epid);
- assert(slotid >= 1 && slotid <= MAXSLOTS);
+ assert(slotid >= 1 && slotid <= xhci->numslots);
assert(epid >= 1 && epid <= 31);
slot = &xhci->slots[slotid-1];
xhci_set_ep_state(xhci, epctx, EP_DISABLED);
+ qemu_free_timer(epctx->kick_timer);
g_free(epctx);
slot->eps[epid-1] = NULL;
XHCIEPContext *epctx;
trace_usb_xhci_ep_stop(slotid, epid);
- assert(slotid >= 1 && slotid <= MAXSLOTS);
+ assert(slotid >= 1 && slotid <= xhci->numslots);
if (epid < 1 || epid > 31) {
fprintf(stderr, "xhci: bad ep %d\n", epid);
USBDevice *dev;
trace_usb_xhci_ep_reset(slotid, epid);
- assert(slotid >= 1 && slotid <= MAXSLOTS);
+ assert(slotid >= 1 && slotid <= xhci->numslots);
if (epid < 1 || epid > 31) {
fprintf(stderr, "xhci: bad ep %d\n", epid);
ep |= 0x80;
}
- dev = xhci->ports[xhci->slots[slotid-1].port-1].port.dev;
+ dev = xhci->slots[slotid-1].uport->dev;
if (!dev) {
return CC_USB_TRANSACTION_ERROR;
}
XHCIEPContext *epctx;
dma_addr_t dequeue;
- assert(slotid >= 1 && slotid <= MAXSLOTS);
+ assert(slotid >= 1 && slotid <= xhci->numslots);
if (epid < 1 || epid > 31) {
fprintf(stderr, "xhci: bad ep %d\n", epid);
return CC_TRB_ERROR;
}
- DPRINTF("xhci_set_ep_dequeue(%d, %d, %016"PRIx64")\n", slotid, epid, pdequeue);
+ trace_usb_xhci_ep_set_dequeue(slotid, epid, pdequeue);
dequeue = xhci_mask64(pdequeue);
slot = &xhci->slots[slotid-1];
return CC_SUCCESS;
}
-static int xhci_xfer_data(XHCITransfer *xfer, uint8_t *data,
- unsigned int length, bool in_xfer, bool out_xfer,
- bool report)
+static int xhci_xfer_create_sgl(XHCITransfer *xfer, int in_xfer)
{
- int i;
- uint32_t edtla = 0;
- unsigned int transferred = 0;
- unsigned int left = length;
- bool reported = 0;
- bool shortpkt = 0;
- XHCIEvent event = {ER_TRANSFER, CC_SUCCESS};
XHCIState *xhci = xfer->xhci;
+ int i;
- DPRINTF("xhci_xfer_data(len=%d, in_xfer=%d, out_xfer=%d, report=%d)\n",
- length, in_xfer, out_xfer, report);
-
- assert(!(in_xfer && out_xfer));
-
+ xfer->int_req = false;
+ pci_dma_sglist_init(&xfer->sgl, &xhci->pci_dev, xfer->trb_count);
for (i = 0; i < xfer->trb_count; i++) {
XHCITRB *trb = &xfer->trbs[i];
dma_addr_t addr;
unsigned int chunk = 0;
+ if (trb->control & TRB_TR_IOC) {
+ xfer->int_req = true;
+ }
+
switch (TRB_TYPE(*trb)) {
case TR_DATA:
if ((!(trb->control & TRB_TR_DIR)) != (!in_xfer)) {
fprintf(stderr, "xhci: data direction mismatch for TR_DATA\n");
- xhci_die(xhci);
- return transferred;
+ goto err;
}
/* fallthrough */
case TR_NORMAL:
case TR_ISOCH:
addr = xhci_mask64(trb->parameter);
+ chunk = trb->status & 0x1ffff;
+ if (trb->control & TRB_TR_IDT) {
+ if (chunk > 8 || in_xfer) {
+ fprintf(stderr, "xhci: invalid immediate data TRB\n");
+ goto err;
+ }
+ qemu_sglist_add(&xfer->sgl, trb->addr, chunk);
+ } else {
+ qemu_sglist_add(&xfer->sgl, addr, chunk);
+ }
+ break;
+ }
+ }
+
+ return 0;
+
+err:
+ qemu_sglist_destroy(&xfer->sgl);
+ xhci_die(xhci);
+ return -1;
+}
+
+static void xhci_xfer_unmap(XHCITransfer *xfer)
+{
+ usb_packet_unmap(&xfer->packet, &xfer->sgl);
+ qemu_sglist_destroy(&xfer->sgl);
+}
+
+static void xhci_xfer_report(XHCITransfer *xfer)
+{
+ uint32_t edtla = 0;
+ unsigned int left;
+ bool reported = 0;
+ bool shortpkt = 0;
+ XHCIEvent event = {ER_TRANSFER, CC_SUCCESS};
+ XHCIState *xhci = xfer->xhci;
+ int i;
+
+ left = xfer->packet.actual_length;
+
+ for (i = 0; i < xfer->trb_count; i++) {
+ XHCITRB *trb = &xfer->trbs[i];
+ unsigned int chunk = 0;
+
+ switch (TRB_TYPE(*trb)) {
+ case TR_DATA:
+ case TR_NORMAL:
+ case TR_ISOCH:
chunk = trb->status & 0x1ffff;
if (chunk > left) {
chunk = left;
- shortpkt = 1;
- }
- if (in_xfer || out_xfer) {
- if (trb->control & TRB_TR_IDT) {
- uint64_t idata;
- if (chunk > 8 || in_xfer) {
- fprintf(stderr, "xhci: invalid immediate data TRB\n");
- xhci_die(xhci);
- return transferred;
- }
- idata = le64_to_cpu(trb->parameter);
- memcpy(data, &idata, chunk);
- } else {
- DPRINTF("xhci_xfer_data: r/w(%d) %d bytes at "
- DMA_ADDR_FMT "\n", in_xfer, chunk, addr);
- if (in_xfer) {
- pci_dma_write(&xhci->pci_dev, addr, data, chunk);
- } else {
- pci_dma_read(&xhci->pci_dev, addr, data, chunk);
- }
-#ifdef DEBUG_DATA
- unsigned int count = chunk;
- int i;
- if (count > 16) {
- count = 16;
- }
- DPRINTF(" ::");
- for (i = 0; i < count; i++) {
- DPRINTF(" %02x", data[i]);
- }
- DPRINTF("\n");
-#endif
+ if (xfer->status == CC_SUCCESS) {
+ shortpkt = 1;
}
}
left -= chunk;
- data += chunk;
edtla += chunk;
- transferred += chunk;
break;
case TR_STATUS:
reported = 0;
break;
}
- if (report && !reported && (trb->control & TRB_TR_IOC ||
- (shortpkt && (trb->control & TRB_TR_ISP)))) {
+ if (!reported && ((trb->control & TRB_TR_IOC) ||
+ (shortpkt && (trb->control & TRB_TR_ISP)) ||
+ (xfer->status != CC_SUCCESS && left == 0))) {
event.slotid = xfer->slotid;
event.epid = xfer->epid;
event.length = (trb->status & 0x1ffff) - chunk;
DPRINTF("xhci_xfer_data: EDTLA=%d\n", event.length);
edtla = 0;
}
- xhci_event(xhci, &event);
- reported = 1;
- }
- }
- return transferred;
-}
-
-static void xhci_stall_ep(XHCITransfer *xfer)
-{
- XHCIState *xhci = xfer->xhci;
- XHCISlot *slot = &xhci->slots[xfer->slotid-1];
- XHCIEPContext *epctx = slot->eps[xfer->epid-1];
-
- epctx->ring.dequeue = xfer->trbs[0].addr;
- epctx->ring.ccs = xfer->trbs[0].ccs;
- xhci_set_ep_state(xhci, epctx, EP_HALTED);
- DPRINTF("xhci: stalled slot %d ep %d\n", xfer->slotid, xfer->epid);
- DPRINTF("xhci: will continue at "DMA_ADDR_FMT"\n", epctx->ring.dequeue);
-}
-
-static int xhci_submit(XHCIState *xhci, XHCITransfer *xfer,
- XHCIEPContext *epctx);
-
-static void xhci_bg_update(XHCIState *xhci, XHCIEPContext *epctx)
-{
- if (epctx->bg_updating) {
- return;
- }
- DPRINTF("xhci_bg_update(%p, %p)\n", xhci, epctx);
- assert(epctx->has_bg);
- DPRINTF("xhci: fg=%d bg=%d\n", epctx->comp_xfer, epctx->next_bg);
- epctx->bg_updating = 1;
- while (epctx->transfers[epctx->comp_xfer].backgrounded &&
- epctx->bg_transfers[epctx->next_bg].complete) {
- XHCITransfer *fg = &epctx->transfers[epctx->comp_xfer];
- XHCITransfer *bg = &epctx->bg_transfers[epctx->next_bg];
-#if 0
- DPRINTF("xhci: completing fg %d from bg %d.%d (stat: %d)\n",
- epctx->comp_xfer, epctx->next_bg, bg->cur_pkt,
- bg->usbxfer->iso_packet_desc[bg->cur_pkt].status
- );
-#endif
- assert(epctx->type == ET_ISO_IN);
- assert(bg->iso_xfer);
- assert(bg->in_xfer);
- uint8_t *p = bg->data + bg->cur_pkt * bg->pktsize;
-#if 0
- int len = bg->usbxfer->iso_packet_desc[bg->cur_pkt].actual_length;
- fg->status = libusb_to_ccode(bg->usbxfer->iso_packet_desc[bg->cur_pkt].status);
-#else
- int len = 0;
- FIXME();
-#endif
- fg->complete = 1;
- fg->backgrounded = 0;
-
- if (fg->status == CC_STALL_ERROR) {
- xhci_stall_ep(fg);
- }
-
- xhci_xfer_data(fg, p, len, 1, 0, 1);
-
- epctx->comp_xfer++;
- if (epctx->comp_xfer == TD_QUEUE) {
- epctx->comp_xfer = 0;
- }
- DPRINTF("next fg xfer: %d\n", epctx->comp_xfer);
- bg->cur_pkt++;
- if (bg->cur_pkt == bg->pkts) {
- bg->complete = 0;
- if (xhci_submit(xhci, bg, epctx) < 0) {
- fprintf(stderr, "xhci: bg resubmit failed\n");
- }
- epctx->next_bg++;
- if (epctx->next_bg == BG_XFERS) {
- epctx->next_bg = 0;
- }
- DPRINTF("next bg xfer: %d\n", epctx->next_bg);
-
- xhci_kick_ep(xhci, fg->slotid, fg->epid);
- }
- }
- epctx->bg_updating = 0;
-}
-
-#if 0
-static void xhci_xfer_cb(struct libusb_transfer *transfer)
-{
- XHCIState *xhci;
- XHCITransfer *xfer;
-
- xfer = (XHCITransfer *)transfer->user_data;
- xhci = xfer->xhci;
-
- DPRINTF("xhci_xfer_cb(slot=%d, ep=%d, status=%d)\n", xfer->slotid,
- xfer->epid, transfer->status);
-
- assert(xfer->slotid >= 1 && xfer->slotid <= MAXSLOTS);
- assert(xfer->epid >= 1 && xfer->epid <= 31);
-
- if (xfer->cancelled) {
- DPRINTF("xhci: transfer cancelled, not reporting anything\n");
- xfer->running = 0;
- return;
- }
-
- XHCIEPContext *epctx;
- XHCISlot *slot;
- slot = &xhci->slots[xfer->slotid-1];
- assert(slot->eps[xfer->epid-1]);
- epctx = slot->eps[xfer->epid-1];
-
- if (xfer->bg_xfer) {
- DPRINTF("xhci: background transfer, updating\n");
- xfer->complete = 1;
- xfer->running = 0;
- xhci_bg_update(xhci, epctx);
- return;
- }
-
- if (xfer->iso_xfer) {
- transfer->status = transfer->iso_packet_desc[0].status;
- transfer->actual_length = transfer->iso_packet_desc[0].actual_length;
- }
-
- xfer->status = libusb_to_ccode(transfer->status);
-
- xfer->complete = 1;
- xfer->running = 0;
-
- if (transfer->status == LIBUSB_TRANSFER_STALL)
- xhci_stall_ep(xhci, epctx, xfer);
-
- DPRINTF("xhci: transfer actual length = %d\n", transfer->actual_length);
-
- if (xfer->in_xfer) {
- if (xfer->epid == 1) {
- xhci_xfer_data(xhci, xfer, xfer->data + 8,
- transfer->actual_length, 1, 0, 1);
- } else {
- xhci_xfer_data(xhci, xfer, xfer->data,
- transfer->actual_length, 1, 0, 1);
+ xhci_event(xhci, &event, TRB_INTR(*trb));
+ reported = 1;
+ if (xfer->status != CC_SUCCESS) {
+ return;
+ }
}
- } else {
- xhci_xfer_data(xhci, xfer, NULL, transfer->actual_length, 0, 0, 1);
}
-
- xhci_kick_ep(xhci, xfer->slotid, xfer->epid);
}
-static int xhci_hle_control(XHCIState *xhci, XHCITransfer *xfer,
- uint8_t bmRequestType, uint8_t bRequest,
- uint16_t wValue, uint16_t wIndex, uint16_t wLength)
+static void xhci_stall_ep(XHCITransfer *xfer)
{
- uint16_t type_req = (bmRequestType << 8) | bRequest;
+ XHCIState *xhci = xfer->xhci;
+ XHCISlot *slot = &xhci->slots[xfer->slotid-1];
+ XHCIEPContext *epctx = slot->eps[xfer->epid-1];
- switch (type_req) {
- case 0x0000 | USB_REQ_SET_CONFIGURATION:
- DPRINTF("xhci: HLE switch configuration\n");
- return xhci_switch_config(xhci, xfer->slotid, wValue) == 0;
- case 0x0100 | USB_REQ_SET_INTERFACE:
- DPRINTF("xhci: HLE set interface altsetting\n");
- return xhci_set_iface_alt(xhci, xfer->slotid, wIndex, wValue) == 0;
- case 0x0200 | USB_REQ_CLEAR_FEATURE:
- if (wValue == 0) { // endpoint halt
- DPRINTF("xhci: HLE clear halt\n");
- return xhci_clear_halt(xhci, xfer->slotid, wIndex);
- }
- case 0x0000 | USB_REQ_SET_ADDRESS:
- fprintf(stderr, "xhci: warn: illegal SET_ADDRESS request\n");
- return 0;
- default:
- return 0;
- }
+ epctx->ring.dequeue = xfer->trbs[0].addr;
+ epctx->ring.ccs = xfer->trbs[0].ccs;
+ xhci_set_ep_state(xhci, epctx, EP_HALTED);
+ DPRINTF("xhci: stalled slot %d ep %d\n", xfer->slotid, xfer->epid);
+ DPRINTF("xhci: will continue at "DMA_ADDR_FMT"\n", epctx->ring.dequeue);
}
-#endif
-static int xhci_setup_packet(XHCITransfer *xfer, USBDevice *dev)
+static int xhci_submit(XHCIState *xhci, XHCITransfer *xfer,
+ XHCIEPContext *epctx);
+
+static int xhci_setup_packet(XHCITransfer *xfer)
{
+ XHCIState *xhci = xfer->xhci;
+ USBDevice *dev;
USBEndpoint *ep;
int dir;
dir = xfer->in_xfer ? USB_TOKEN_IN : USB_TOKEN_OUT;
- ep = usb_ep_get(dev, dir, xfer->epid >> 1);
- usb_packet_setup(&xfer->packet, dir, ep);
- usb_packet_addbuf(&xfer->packet, xfer->data, xfer->data_length);
+
+ if (xfer->packet.ep) {
+ ep = xfer->packet.ep;
+ dev = ep->dev;
+ } else {
+ if (!xhci->slots[xfer->slotid-1].uport) {
+ fprintf(stderr, "xhci: slot %d has no device\n",
+ xfer->slotid);
+ return -1;
+ }
+ dev = xhci->slots[xfer->slotid-1].uport->dev;
+ ep = usb_ep_get(dev, dir, xfer->epid >> 1);
+ }
+
+ xhci_xfer_create_sgl(xfer, dir == USB_TOKEN_IN); /* Also sets int_req */
+ usb_packet_setup(&xfer->packet, dir, ep, xfer->trbs[0].addr, false,
+ xfer->int_req);
+ usb_packet_map(&xfer->packet, &xfer->sgl);
DPRINTF("xhci: setup packet pid 0x%x addr %d ep %d\n",
xfer->packet.pid, dev->addr, ep->nr);
return 0;
}
-static int xhci_complete_packet(XHCITransfer *xfer, int ret)
+static int xhci_complete_packet(XHCITransfer *xfer)
{
- if (ret == USB_RET_ASYNC) {
+ if (xfer->packet.status == USB_RET_ASYNC) {
trace_usb_xhci_xfer_async(xfer);
xfer->running_async = 1;
xfer->running_retry = 0;
xfer->complete = 0;
xfer->cancelled = 0;
return 0;
- } else if (ret == USB_RET_NAK) {
+ } else if (xfer->packet.status == USB_RET_NAK) {
trace_usb_xhci_xfer_nak(xfer);
xfer->running_async = 0;
xfer->running_retry = 1;
xfer->running_async = 0;
xfer->running_retry = 0;
xfer->complete = 1;
+ xhci_xfer_unmap(xfer);
}
- if (ret >= 0) {
+ if (xfer->packet.status == USB_RET_SUCCESS) {
+ trace_usb_xhci_xfer_success(xfer, xfer->packet.actual_length);
xfer->status = CC_SUCCESS;
- xhci_xfer_data(xfer, xfer->data, ret, xfer->in_xfer, 0, 1);
- trace_usb_xhci_xfer_success(xfer, ret);
+ xhci_xfer_report(xfer);
return 0;
}
/* error */
- trace_usb_xhci_xfer_error(xfer, ret);
- switch (ret) {
+ trace_usb_xhci_xfer_error(xfer, xfer->packet.status);
+ switch (xfer->packet.status) {
case USB_RET_NODEV:
xfer->status = CC_USB_TRANSACTION_ERROR;
- xhci_xfer_data(xfer, xfer->data, 0, xfer->in_xfer, 0, 1);
+ xhci_xfer_report(xfer);
xhci_stall_ep(xfer);
break;
case USB_RET_STALL:
xfer->status = CC_STALL_ERROR;
- xhci_xfer_data(xfer, xfer->data, 0, xfer->in_xfer, 0, 1);
+ xhci_xfer_report(xfer);
xhci_stall_ep(xfer);
break;
default:
- fprintf(stderr, "%s: FIXME: ret = %d\n", __FUNCTION__, ret);
+ fprintf(stderr, "%s: FIXME: status = %d\n", __func__,
+ xfer->packet.status);
FIXME();
}
return 0;
}
-static USBDevice *xhci_find_device(XHCIPort *port, uint8_t addr)
-{
- if (!(port->portsc & PORTSC_PED)) {
- return NULL;
- }
- return usb_find_device(&port->port, addr);
-}
-
static int xhci_fire_ctl_transfer(XHCIState *xhci, XHCITransfer *xfer)
{
XHCITRB *trb_setup, *trb_status;
uint8_t bmRequestType;
- uint16_t wLength;
- XHCIPort *port;
- USBDevice *dev;
- int ret;
trb_setup = &xfer->trbs[0];
trb_status = &xfer->trbs[xfer->trb_count-1];
- trace_usb_xhci_xfer_start(xfer, xfer->slotid, xfer->epid,
- trb_setup->parameter >> 48);
+ trace_usb_xhci_xfer_start(xfer, xfer->slotid, xfer->epid);
/* at most one Event Data TRB allowed after STATUS */
if (TRB_TYPE(*trb_status) == TR_EVDATA && xfer->trb_count > 2) {
}
bmRequestType = trb_setup->parameter;
- wLength = trb_setup->parameter >> 48;
-
- if (xfer->data && xfer->data_alloced < wLength) {
- xfer->data_alloced = 0;
- g_free(xfer->data);
- xfer->data = NULL;
- }
- if (!xfer->data) {
- DPRINTF("xhci: alloc %d bytes data\n", wLength);
- xfer->data = g_malloc(wLength+1);
- xfer->data_alloced = wLength;
- }
- xfer->data_length = wLength;
-
- port = &xhci->ports[xhci->slots[xfer->slotid-1].port-1];
- dev = xhci_find_device(port, xhci->slots[xfer->slotid-1].devaddr);
- if (!dev) {
- fprintf(stderr, "xhci: slot %d port %d has no device\n", xfer->slotid,
- xhci->slots[xfer->slotid-1].port);
- return -1;
- }
xfer->in_xfer = bmRequestType & USB_DIR_IN;
xfer->iso_xfer = false;
- xhci_setup_packet(xfer, dev);
- xfer->packet.parameter = trb_setup->parameter;
- if (!xfer->in_xfer) {
- xhci_xfer_data(xfer, xfer->data, wLength, 0, 1, 0);
+ if (xhci_setup_packet(xfer) < 0) {
+ return -1;
}
+ xfer->packet.parameter = trb_setup->parameter;
- ret = usb_handle_packet(dev, &xfer->packet);
+ usb_handle_packet(xfer->packet.ep->dev, &xfer->packet);
- xhci_complete_packet(xfer, ret);
+ xhci_complete_packet(xfer);
if (!xfer->running_async && !xfer->running_retry) {
xhci_kick_ep(xhci, xfer->slotid, xfer->epid);
}
return 0;
}
-static int xhci_submit(XHCIState *xhci, XHCITransfer *xfer, XHCIEPContext *epctx)
+static void xhci_calc_iso_kick(XHCIState *xhci, XHCITransfer *xfer,
+ XHCIEPContext *epctx, uint64_t mfindex)
{
- XHCIPort *port;
- USBDevice *dev;
- int ret;
-
- DPRINTF("xhci_submit(slotid=%d,epid=%d)\n", xfer->slotid, xfer->epid);
-
- xfer->in_xfer = epctx->type>>2;
-
- if (xfer->data && xfer->data_alloced < xfer->data_length) {
- xfer->data_alloced = 0;
- g_free(xfer->data);
- xfer->data = NULL;
- }
- if (!xfer->data && xfer->data_length) {
- DPRINTF("xhci: alloc %d bytes data\n", xfer->data_length);
- xfer->data = g_malloc(xfer->data_length);
- xfer->data_alloced = xfer->data_length;
- }
- if (epctx->type == ET_ISO_IN || epctx->type == ET_ISO_OUT) {
- if (!xfer->bg_xfer) {
- xfer->pkts = 1;
+ if (xfer->trbs[0].control & TRB_TR_SIA) {
+ uint64_t asap = ((mfindex + epctx->interval - 1) &
+ ~(epctx->interval-1));
+ if (asap >= epctx->mfindex_last &&
+ asap <= epctx->mfindex_last + epctx->interval * 4) {
+ xfer->mfindex_kick = epctx->mfindex_last + epctx->interval;
+ } else {
+ xfer->mfindex_kick = asap;
}
} else {
- xfer->pkts = 0;
+ xfer->mfindex_kick = (xfer->trbs[0].control >> TRB_TR_FRAMEID_SHIFT)
+ & TRB_TR_FRAMEID_MASK;
+ xfer->mfindex_kick |= mfindex & ~0x3fff;
+ if (xfer->mfindex_kick < mfindex) {
+ xfer->mfindex_kick += 0x4000;
+ }
}
+}
- port = &xhci->ports[xhci->slots[xfer->slotid-1].port-1];
- dev = xhci_find_device(port, xhci->slots[xfer->slotid-1].devaddr);
- if (!dev) {
- fprintf(stderr, "xhci: slot %d port %d has no device\n", xfer->slotid,
- xhci->slots[xfer->slotid-1].port);
- return -1;
+static void xhci_check_iso_kick(XHCIState *xhci, XHCITransfer *xfer,
+ XHCIEPContext *epctx, uint64_t mfindex)
+{
+ if (xfer->mfindex_kick > mfindex) {
+ qemu_mod_timer(epctx->kick_timer, qemu_get_clock_ns(vm_clock) +
+ (xfer->mfindex_kick - mfindex) * 125000);
+ xfer->running_retry = 1;
+ } else {
+ epctx->mfindex_last = xfer->mfindex_kick;
+ qemu_del_timer(epctx->kick_timer);
+ xfer->running_retry = 0;
}
+}
+
+
+static int xhci_submit(XHCIState *xhci, XHCITransfer *xfer, XHCIEPContext *epctx)
+{
+ uint64_t mfindex;
+
+ DPRINTF("xhci_submit(slotid=%d,epid=%d)\n", xfer->slotid, xfer->epid);
- xhci_setup_packet(xfer, dev);
+ xfer->in_xfer = epctx->type>>2;
switch(epctx->type) {
case ET_INTR_OUT:
case ET_INTR_IN:
case ET_BULK_OUT:
case ET_BULK_IN:
+ xfer->pkts = 0;
+ xfer->iso_xfer = false;
break;
case ET_ISO_OUT:
case ET_ISO_IN:
- FIXME();
+ xfer->pkts = 1;
+ xfer->iso_xfer = true;
+ mfindex = xhci_mfindex_get(xhci);
+ xhci_calc_iso_kick(xhci, xfer, epctx, mfindex);
+ xhci_check_iso_kick(xhci, xfer, epctx, mfindex);
+ if (xfer->running_retry) {
+ return -1;
+ }
break;
default:
fprintf(stderr, "xhci: unknown or unhandled EP "
return -1;
}
- if (!xfer->in_xfer) {
- xhci_xfer_data(xfer, xfer->data, xfer->data_length, 0, 1, 0);
+ if (xhci_setup_packet(xfer) < 0) {
+ return -1;
}
- ret = usb_handle_packet(dev, &xfer->packet);
+ usb_handle_packet(xfer->packet.ep->dev, &xfer->packet);
- xhci_complete_packet(xfer, ret);
+ xhci_complete_packet(xfer);
if (!xfer->running_async && !xfer->running_retry) {
xhci_kick_ep(xhci, xfer->slotid, xfer->epid);
}
static int xhci_fire_transfer(XHCIState *xhci, XHCITransfer *xfer, XHCIEPContext *epctx)
{
- int i;
- unsigned int length = 0;
- XHCITRB *trb;
-
- for (i = 0; i < xfer->trb_count; i++) {
- trb = &xfer->trbs[i];
- if (TRB_TYPE(*trb) == TR_NORMAL || TRB_TYPE(*trb) == TR_ISOCH) {
- length += trb->status & 0x1ffff;
- }
- }
-
- trace_usb_xhci_xfer_start(xfer, xfer->slotid, xfer->epid, length);
-
- if (!epctx->has_bg) {
- xfer->data_length = length;
- xfer->backgrounded = 0;
- return xhci_submit(xhci, xfer, epctx);
- } else {
- if (!epctx->bg_running) {
- for (i = 0; i < BG_XFERS; i++) {
- XHCITransfer *t = &epctx->bg_transfers[i];
- t->xhci = xhci;
- t->epid = xfer->epid;
- t->slotid = xfer->slotid;
- t->pkts = BG_PKTS;
- t->pktsize = epctx->max_psize;
- t->data_length = t->pkts * t->pktsize;
- t->bg_xfer = 1;
- if (xhci_submit(xhci, t, epctx) < 0) {
- fprintf(stderr, "xhci: bg submit failed\n");
- return -1;
- }
- }
- epctx->bg_running = 1;
- }
- xfer->backgrounded = 1;
- xhci_bg_update(xhci, epctx);
- return 0;
- }
+ trace_usb_xhci_xfer_start(xfer, xfer->slotid, xfer->epid);
+ return xhci_submit(xhci, xfer, epctx);
}
static void xhci_kick_ep(XHCIState *xhci, unsigned int slotid, unsigned int epid)
{
XHCIEPContext *epctx;
+ USBEndpoint *ep = NULL;
+ uint64_t mfindex;
int length;
int i;
trace_usb_xhci_ep_kick(slotid, epid);
- assert(slotid >= 1 && slotid <= MAXSLOTS);
+ assert(slotid >= 1 && slotid <= xhci->numslots);
assert(epid >= 1 && epid <= 31);
if (!xhci->slots[slotid-1].enabled) {
}
if (epctx->retry) {
- /* retry nak'ed transfer */
XHCITransfer *xfer = epctx->retry;
- int result;
trace_usb_xhci_xfer_retry(xfer);
assert(xfer->running_retry);
- xhci_setup_packet(xfer, xfer->packet.ep->dev);
- result = usb_handle_packet(xfer->packet.ep->dev, &xfer->packet);
- if (result == USB_RET_NAK) {
- return;
+ if (xfer->iso_xfer) {
+ /* retry delayed iso transfer */
+ mfindex = xhci_mfindex_get(xhci);
+ xhci_check_iso_kick(xhci, xfer, epctx, mfindex);
+ if (xfer->running_retry) {
+ return;
+ }
+ if (xhci_setup_packet(xfer) < 0) {
+ return;
+ }
+ usb_handle_packet(xfer->packet.ep->dev, &xfer->packet);
+ assert(xfer->packet.status != USB_RET_NAK);
+ xhci_complete_packet(xfer);
+ } else {
+ /* retry nak'ed transfer */
+ if (xhci_setup_packet(xfer) < 0) {
+ return;
+ }
+ usb_handle_packet(xfer->packet.ep->dev, &xfer->packet);
+ if (xfer->packet.status == USB_RET_NAK) {
+ return;
+ }
+ xhci_complete_packet(xfer);
}
- xhci_complete_packet(xfer, result);
assert(!xfer->running_retry);
epctx->retry = NULL;
}
while (1) {
XHCITransfer *xfer = &epctx->transfers[epctx->next_xfer];
- if (xfer->running_async || xfer->running_retry || xfer->backgrounded) {
+ if (xfer->running_async || xfer->running_retry) {
break;
}
length = xhci_ring_chain_length(xhci, &epctx->ring);
if (epid == 1) {
if (xhci_fire_ctl_transfer(xhci, xfer) >= 0) {
epctx->next_xfer = (epctx->next_xfer + 1) % TD_QUEUE;
+ ep = xfer->packet.ep;
} else {
fprintf(stderr, "xhci: error firing CTL transfer\n");
}
} else {
if (xhci_fire_transfer(xhci, xfer, epctx) >= 0) {
epctx->next_xfer = (epctx->next_xfer + 1) % TD_QUEUE;
+ ep = xfer->packet.ep;
} else {
- fprintf(stderr, "xhci: error firing data transfer\n");
+ if (!xfer->iso_xfer) {
+ fprintf(stderr, "xhci: error firing data transfer\n");
+ }
}
}
break;
}
}
+ if (ep) {
+ usb_device_flush_ep_queue(ep->dev, ep);
+ }
}
static TRBCCode xhci_enable_slot(XHCIState *xhci, unsigned int slotid)
{
trace_usb_xhci_slot_enable(slotid);
- assert(slotid >= 1 && slotid <= MAXSLOTS);
+ assert(slotid >= 1 && slotid <= xhci->numslots);
xhci->slots[slotid-1].enabled = 1;
- xhci->slots[slotid-1].port = 0;
+ xhci->slots[slotid-1].uport = NULL;
memset(xhci->slots[slotid-1].eps, 0, sizeof(XHCIEPContext*)*31);
return CC_SUCCESS;
int i;
trace_usb_xhci_slot_disable(slotid);
- assert(slotid >= 1 && slotid <= MAXSLOTS);
+ assert(slotid >= 1 && slotid <= xhci->numslots);
for (i = 1; i <= 31; i++) {
if (xhci->slots[slotid-1].eps[i-1]) {
return CC_SUCCESS;
}
+static USBPort *xhci_lookup_uport(XHCIState *xhci, uint32_t *slot_ctx)
+{
+ USBPort *uport;
+ char path[32];
+ int i, pos, port;
+
+ port = (slot_ctx[1]>>16) & 0xFF;
+ port = xhci->ports[port-1].uport->index+1;
+ pos = snprintf(path, sizeof(path), "%d", port);
+ for (i = 0; i < 5; i++) {
+ port = (slot_ctx[0] >> 4*i) & 0x0f;
+ if (!port) {
+ break;
+ }
+ pos += snprintf(path + pos, sizeof(path) - pos, ".%d", port);
+ }
+
+ QTAILQ_FOREACH(uport, &xhci->bus.used, next) {
+ if (strcmp(uport->path, path) == 0) {
+ return uport;
+ }
+ }
+ return NULL;
+}
+
static TRBCCode xhci_address_slot(XHCIState *xhci, unsigned int slotid,
uint64_t pictx, bool bsr)
{
XHCISlot *slot;
+ USBPort *uport;
USBDevice *dev;
dma_addr_t ictx, octx, dcbaap;
uint64_t poctx;
uint32_t ictl_ctx[2];
uint32_t slot_ctx[4];
uint32_t ep0_ctx[5];
- unsigned int port;
int i;
TRBCCode res;
trace_usb_xhci_slot_address(slotid);
- assert(slotid >= 1 && slotid <= MAXSLOTS);
+ assert(slotid >= 1 && slotid <= xhci->numslots);
dcbaap = xhci_addr64(xhci->dcbaap_low, xhci->dcbaap_high);
- pci_dma_read(&xhci->pci_dev, dcbaap + 8*slotid, &poctx, sizeof(poctx));
+ poctx = ldq_le_pci_dma(&xhci->pci_dev, dcbaap + 8*slotid);
ictx = xhci_mask64(pictx);
- octx = xhci_mask64(le64_to_cpu(poctx));
+ octx = xhci_mask64(poctx);
DPRINTF("xhci: input context at "DMA_ADDR_FMT"\n", ictx);
DPRINTF("xhci: output context at "DMA_ADDR_FMT"\n", octx);
- pci_dma_read(&xhci->pci_dev, ictx, ictl_ctx, sizeof(ictl_ctx));
+ xhci_dma_read_u32s(xhci, ictx, ictl_ctx, sizeof(ictl_ctx));
if (ictl_ctx[0] != 0x0 || ictl_ctx[1] != 0x3) {
fprintf(stderr, "xhci: invalid input context control %08x %08x\n",
return CC_TRB_ERROR;
}
- pci_dma_read(&xhci->pci_dev, ictx+32, slot_ctx, sizeof(slot_ctx));
- pci_dma_read(&xhci->pci_dev, ictx+64, ep0_ctx, sizeof(ep0_ctx));
+ xhci_dma_read_u32s(xhci, ictx+32, slot_ctx, sizeof(slot_ctx));
+ xhci_dma_read_u32s(xhci, ictx+64, ep0_ctx, sizeof(ep0_ctx));
DPRINTF("xhci: input slot context: %08x %08x %08x %08x\n",
slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]);
DPRINTF("xhci: input ep0 context: %08x %08x %08x %08x %08x\n",
ep0_ctx[0], ep0_ctx[1], ep0_ctx[2], ep0_ctx[3], ep0_ctx[4]);
- port = (slot_ctx[1]>>16) & 0xFF;
- dev = xhci->ports[port-1].port.dev;
-
- if (port < 1 || port > MAXPORTS) {
- fprintf(stderr, "xhci: bad port %d\n", port);
+ uport = xhci_lookup_uport(xhci, slot_ctx);
+ if (uport == NULL) {
+ fprintf(stderr, "xhci: port not found\n");
return CC_TRB_ERROR;
- } else if (!dev) {
- fprintf(stderr, "xhci: port %d not connected\n", port);
+ }
+
+ dev = uport->dev;
+ if (!dev) {
+ fprintf(stderr, "xhci: port %s not connected\n", uport->path);
return CC_USB_TRANSACTION_ERROR;
}
- for (i = 0; i < MAXSLOTS; i++) {
- if (xhci->slots[i].port == port) {
- fprintf(stderr, "xhci: port %d already assigned to slot %d\n",
- port, i+1);
+ for (i = 0; i < xhci->numslots; i++) {
+ if (i == slotid-1) {
+ continue;
+ }
+ if (xhci->slots[i].uport == uport) {
+ fprintf(stderr, "xhci: port %s already assigned to slot %d\n",
+ uport->path, i+1);
return CC_TRB_ERROR;
}
}
slot = &xhci->slots[slotid-1];
- slot->port = port;
+ slot->uport = uport;
slot->ctx = octx;
if (bsr) {
slot->devaddr = xhci->devaddr++;
slot_ctx[3] = (SLOT_ADDRESSED << SLOT_STATE_SHIFT) | slot->devaddr;
DPRINTF("xhci: device address is %d\n", slot->devaddr);
+ usb_device_reset(dev);
usb_device_handle_control(dev, NULL,
DeviceOutRequest | USB_REQ_SET_ADDRESS,
slot->devaddr, 0, 0, NULL);
DPRINTF("xhci: output ep0 context: %08x %08x %08x %08x %08x\n",
ep0_ctx[0], ep0_ctx[1], ep0_ctx[2], ep0_ctx[3], ep0_ctx[4]);
- pci_dma_write(&xhci->pci_dev, octx, slot_ctx, sizeof(slot_ctx));
- pci_dma_write(&xhci->pci_dev, octx+32, ep0_ctx, sizeof(ep0_ctx));
+ xhci_dma_write_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx));
+ xhci_dma_write_u32s(xhci, octx+32, ep0_ctx, sizeof(ep0_ctx));
return res;
}
TRBCCode res;
trace_usb_xhci_slot_configure(slotid);
- assert(slotid >= 1 && slotid <= MAXSLOTS);
+ assert(slotid >= 1 && slotid <= xhci->numslots);
ictx = xhci_mask64(pictx);
octx = xhci->slots[slotid-1].ctx;
}
}
- pci_dma_read(&xhci->pci_dev, octx, slot_ctx, sizeof(slot_ctx));
+ xhci_dma_read_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx));
slot_ctx[3] &= ~(SLOT_STATE_MASK << SLOT_STATE_SHIFT);
slot_ctx[3] |= SLOT_ADDRESSED << SLOT_STATE_SHIFT;
DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n",
slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]);
- pci_dma_write(&xhci->pci_dev, octx, slot_ctx, sizeof(slot_ctx));
+ xhci_dma_write_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx));
return CC_SUCCESS;
}
- pci_dma_read(&xhci->pci_dev, ictx, ictl_ctx, sizeof(ictl_ctx));
+ xhci_dma_read_u32s(xhci, ictx, ictl_ctx, sizeof(ictl_ctx));
if ((ictl_ctx[0] & 0x3) != 0x0 || (ictl_ctx[1] & 0x3) != 0x1) {
fprintf(stderr, "xhci: invalid input context control %08x %08x\n",
return CC_TRB_ERROR;
}
- pci_dma_read(&xhci->pci_dev, ictx+32, islot_ctx, sizeof(islot_ctx));
- pci_dma_read(&xhci->pci_dev, octx, slot_ctx, sizeof(slot_ctx));
+ xhci_dma_read_u32s(xhci, ictx+32, islot_ctx, sizeof(islot_ctx));
+ xhci_dma_read_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx));
if (SLOT_STATE(slot_ctx[3]) < SLOT_ADDRESSED) {
fprintf(stderr, "xhci: invalid slot state %08x\n", slot_ctx[3]);
xhci_disable_ep(xhci, slotid, i);
}
if (ictl_ctx[1] & (1<<i)) {
- pci_dma_read(&xhci->pci_dev, ictx+32+(32*i), ep_ctx,
- sizeof(ep_ctx));
+ xhci_dma_read_u32s(xhci, ictx+32+(32*i), ep_ctx, sizeof(ep_ctx));
DPRINTF("xhci: input ep%d.%d context: %08x %08x %08x %08x %08x\n",
i/2, i%2, ep_ctx[0], ep_ctx[1], ep_ctx[2],
ep_ctx[3], ep_ctx[4]);
DPRINTF("xhci: output ep%d.%d context: %08x %08x %08x %08x %08x\n",
i/2, i%2, ep_ctx[0], ep_ctx[1], ep_ctx[2],
ep_ctx[3], ep_ctx[4]);
- pci_dma_write(&xhci->pci_dev, octx+(32*i), ep_ctx, sizeof(ep_ctx));
+ xhci_dma_write_u32s(xhci, octx+(32*i), ep_ctx, sizeof(ep_ctx));
}
}
DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n",
slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]);
- pci_dma_write(&xhci->pci_dev, octx, slot_ctx, sizeof(slot_ctx));
+ xhci_dma_write_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx));
return CC_SUCCESS;
}
uint32_t slot_ctx[4];
trace_usb_xhci_slot_evaluate(slotid);
- assert(slotid >= 1 && slotid <= MAXSLOTS);
+ assert(slotid >= 1 && slotid <= xhci->numslots);
ictx = xhci_mask64(pictx);
octx = xhci->slots[slotid-1].ctx;
DPRINTF("xhci: input context at "DMA_ADDR_FMT"\n", ictx);
DPRINTF("xhci: output context at "DMA_ADDR_FMT"\n", octx);
- pci_dma_read(&xhci->pci_dev, ictx, ictl_ctx, sizeof(ictl_ctx));
+ xhci_dma_read_u32s(xhci, ictx, ictl_ctx, sizeof(ictl_ctx));
if (ictl_ctx[0] != 0x0 || ictl_ctx[1] & ~0x3) {
fprintf(stderr, "xhci: invalid input context control %08x %08x\n",
}
if (ictl_ctx[1] & 0x1) {
- pci_dma_read(&xhci->pci_dev, ictx+32, islot_ctx, sizeof(islot_ctx));
+ xhci_dma_read_u32s(xhci, ictx+32, islot_ctx, sizeof(islot_ctx));
DPRINTF("xhci: input slot context: %08x %08x %08x %08x\n",
islot_ctx[0], islot_ctx[1], islot_ctx[2], islot_ctx[3]);
- pci_dma_read(&xhci->pci_dev, octx, slot_ctx, sizeof(slot_ctx));
+ xhci_dma_read_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx));
slot_ctx[1] &= ~0xFFFF; /* max exit latency */
slot_ctx[1] |= islot_ctx[1] & 0xFFFF;
DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n",
slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]);
- pci_dma_write(&xhci->pci_dev, octx, slot_ctx, sizeof(slot_ctx));
+ xhci_dma_write_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx));
}
if (ictl_ctx[1] & 0x2) {
- pci_dma_read(&xhci->pci_dev, ictx+64, iep0_ctx, sizeof(iep0_ctx));
+ xhci_dma_read_u32s(xhci, ictx+64, iep0_ctx, sizeof(iep0_ctx));
DPRINTF("xhci: input ep0 context: %08x %08x %08x %08x %08x\n",
iep0_ctx[0], iep0_ctx[1], iep0_ctx[2],
iep0_ctx[3], iep0_ctx[4]);
- pci_dma_read(&xhci->pci_dev, octx+32, ep0_ctx, sizeof(ep0_ctx));
+ xhci_dma_read_u32s(xhci, octx+32, ep0_ctx, sizeof(ep0_ctx));
ep0_ctx[1] &= ~0xFFFF0000; /* max packet size*/
ep0_ctx[1] |= iep0_ctx[1] & 0xFFFF0000;
DPRINTF("xhci: output ep0 context: %08x %08x %08x %08x %08x\n",
ep0_ctx[0], ep0_ctx[1], ep0_ctx[2], ep0_ctx[3], ep0_ctx[4]);
- pci_dma_write(&xhci->pci_dev, octx+32, ep0_ctx, sizeof(ep0_ctx));
+ xhci_dma_write_u32s(xhci, octx+32, ep0_ctx, sizeof(ep0_ctx));
}
return CC_SUCCESS;
int i;
trace_usb_xhci_slot_reset(slotid);
- assert(slotid >= 1 && slotid <= MAXSLOTS);
+ assert(slotid >= 1 && slotid <= xhci->numslots);
octx = xhci->slots[slotid-1].ctx;
}
}
- pci_dma_read(&xhci->pci_dev, octx, slot_ctx, sizeof(slot_ctx));
+ xhci_dma_read_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx));
slot_ctx[3] &= ~(SLOT_STATE_MASK << SLOT_STATE_SHIFT);
slot_ctx[3] |= SLOT_DEFAULT << SLOT_STATE_SHIFT;
DPRINTF("xhci: output slot context: %08x %08x %08x %08x\n",
slot_ctx[0], slot_ctx[1], slot_ctx[2], slot_ctx[3]);
- pci_dma_write(&xhci->pci_dev, octx, slot_ctx, sizeof(slot_ctx));
+ xhci_dma_write_u32s(xhci, octx, slot_ctx, sizeof(slot_ctx));
return CC_SUCCESS;
}
{
unsigned int slotid;
slotid = (trb->control >> TRB_CR_SLOTID_SHIFT) & TRB_CR_SLOTID_MASK;
- if (slotid < 1 || slotid > MAXSLOTS) {
+ if (slotid < 1 || slotid > xhci->numslots) {
fprintf(stderr, "xhci: bad slot id %d\n", slotid);
event->ccode = CC_TRB_ERROR;
return 0;
static TRBCCode xhci_get_port_bandwidth(XHCIState *xhci, uint64_t pctx)
{
dma_addr_t ctx;
- uint8_t bw_ctx[MAXPORTS+1];
+ uint8_t bw_ctx[xhci->numports+1];
DPRINTF("xhci_get_port_bandwidth()\n");
/* TODO: actually implement real values here */
bw_ctx[0] = 0;
- memset(&bw_ctx[1], 80, MAXPORTS); /* 80% */
+ memset(&bw_ctx[1], 80, xhci->numports); /* 80% */
pci_dma_write(&xhci->pci_dev, ctx, bw_ctx, sizeof(bw_ctx));
return CC_SUCCESS;
event.ptr = addr;
switch (type) {
case CR_ENABLE_SLOT:
- for (i = 0; i < MAXSLOTS; i++) {
+ for (i = 0; i < xhci->numslots; i++) {
if (!xhci->slots[i].enabled) {
break;
}
}
- if (i >= MAXSLOTS) {
+ if (i >= xhci->numslots) {
fprintf(stderr, "xhci: no device slots available\n");
event.ccode = CC_NO_SLOTS_ERROR;
} else {
break;
}
event.slotid = slotid;
- xhci_event(xhci, &event);
+ xhci_event(xhci, &event, 0);
+ }
+}
+
+static bool xhci_port_have_device(XHCIPort *port)
+{
+ if (!port->uport->dev || !port->uport->dev->attached) {
+ return false; /* no device present */
+ }
+ if (!((1 << port->uport->dev->speed) & port->speedmask)) {
+ return false; /* speed mismatch */
+ }
+ return true;
+}
+
+static void xhci_port_notify(XHCIPort *port, uint32_t bits)
+{
+ XHCIEvent ev = { ER_PORT_STATUS_CHANGE, CC_SUCCESS,
+ port->portnr << 24 };
+
+ if ((port->portsc & bits) == bits) {
+ return;
+ }
+ port->portsc |= bits;
+ if (!xhci_running(port->xhci)) {
+ return;
}
+ xhci_event(port->xhci, &ev, 0);
}
-static void xhci_update_port(XHCIState *xhci, XHCIPort *port, int is_detach)
+static void xhci_port_update(XHCIPort *port, int is_detach)
{
- int nr = port->port.index + 1;
+ uint32_t pls = PLS_RX_DETECT;
port->portsc = PORTSC_PP;
- if (port->port.dev && port->port.dev->attached && !is_detach) {
+ if (!is_detach && xhci_port_have_device(port)) {
port->portsc |= PORTSC_CCS;
- switch (port->port.dev->speed) {
+ switch (port->uport->dev->speed) {
case USB_SPEED_LOW:
port->portsc |= PORTSC_SPEED_LOW;
+ pls = PLS_POLLING;
break;
case USB_SPEED_FULL:
port->portsc |= PORTSC_SPEED_FULL;
+ pls = PLS_POLLING;
break;
case USB_SPEED_HIGH:
port->portsc |= PORTSC_SPEED_HIGH;
+ pls = PLS_POLLING;
+ break;
+ case USB_SPEED_SUPER:
+ port->portsc |= PORTSC_SPEED_SUPER;
+ port->portsc |= PORTSC_PED;
+ pls = PLS_U0;
break;
}
}
+ set_field(&port->portsc, pls, PORTSC_PLS);
+ trace_usb_xhci_port_link(port->portnr, pls);
+ xhci_port_notify(port, PORTSC_CSC);
+}
+
+static void xhci_port_reset(XHCIPort *port)
+{
+ trace_usb_xhci_port_reset(port->portnr);
+
+ if (!xhci_port_have_device(port)) {
+ return;
+ }
- if (xhci_running(xhci)) {
- port->portsc |= PORTSC_CSC;
- XHCIEvent ev = { ER_PORT_STATUS_CHANGE, CC_SUCCESS, nr << 24};
- xhci_event(xhci, &ev);
- DPRINTF("xhci: port change event for port %d\n", nr);
+ usb_device_reset(port->uport->dev);
+
+ switch (port->uport->dev->speed) {
+ case USB_SPEED_LOW:
+ case USB_SPEED_FULL:
+ case USB_SPEED_HIGH:
+ set_field(&port->portsc, PLS_U0, PORTSC_PLS);
+ trace_usb_xhci_port_link(port->portnr, PLS_U0);
+ port->portsc |= PORTSC_PED;
+ break;
}
+
+ port->portsc &= ~PORTSC_PR;
+ xhci_port_notify(port, PORTSC_PRC);
}
static void xhci_reset(DeviceState *dev)
xhci->config = 0;
xhci->devaddr = 2;
- for (i = 0; i < MAXSLOTS; i++) {
+ for (i = 0; i < xhci->numslots; i++) {
xhci_disable_slot(xhci, i+1);
}
- for (i = 0; i < MAXPORTS; i++) {
- xhci_update_port(xhci, xhci->ports + i, 0);
+ for (i = 0; i < xhci->numports; i++) {
+ xhci_port_update(xhci->ports + i, 0);
}
- xhci->mfindex = 0;
- xhci->iman = 0;
- xhci->imod = 0;
- xhci->erstsz = 0;
- xhci->erstba_low = 0;
- xhci->erstba_high = 0;
- xhci->erdp_low = 0;
- xhci->erdp_high = 0;
+ for (i = 0; i < xhci->numintrs; i++) {
+ xhci->intr[i].iman = 0;
+ xhci->intr[i].imod = 0;
+ xhci->intr[i].erstsz = 0;
+ xhci->intr[i].erstba_low = 0;
+ xhci->intr[i].erstba_high = 0;
+ xhci->intr[i].erdp_low = 0;
+ xhci->intr[i].erdp_high = 0;
+ xhci->intr[i].msix_used = 0;
+
+ 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;
+ }
- xhci->er_ep_idx = 0;
- xhci->er_pcs = 1;
- xhci->er_full = 0;
- xhci->ev_buffer_put = 0;
- xhci->ev_buffer_get = 0;
+ xhci->mfindex_start = qemu_get_clock_ns(vm_clock);
+ xhci_mfwrap_update(xhci);
}
-static uint32_t xhci_cap_read(XHCIState *xhci, uint32_t reg)
+static uint64_t xhci_cap_read(void *ptr, hwaddr reg, unsigned size)
{
+ XHCIState *xhci = ptr;
uint32_t ret;
switch (reg) {
ret = 0x01000000 | LEN_CAP;
break;
case 0x04: /* HCSPARAMS 1 */
- ret = (MAXPORTS<<24) | (MAXINTRS<<8) | MAXSLOTS;
+ ret = ((xhci->numports_2+xhci->numports_3)<<24)
+ | (xhci->numintrs<<8) | xhci->numslots;
break;
case 0x08: /* HCSPARAMS 2 */
ret = 0x0000000f;
ret = 0x02000402; /* USB 2.0 */
break;
case 0x24: /* Supported Protocol:04 */
- ret = 0x20425455; /* "USB " */
+ ret = 0x20425355; /* "USB " */
break;
case 0x28: /* Supported Protocol:08 */
- ret = 0x00000001 | (USB2_PORTS<<8);
+ ret = 0x00000001 | (xhci->numports_2<<8);
break;
case 0x2c: /* Supported Protocol:0c */
ret = 0x00000000; /* reserved */
ret = 0x03000002; /* USB 3.0 */
break;
case 0x34: /* Supported Protocol:04 */
- ret = 0x20425455; /* "USB " */
+ ret = 0x20425355; /* "USB " */
break;
case 0x38: /* Supported Protocol:08 */
- ret = 0x00000000 | (USB2_PORTS+1) | (USB3_PORTS<<8);
+ ret = 0x00000000 | (xhci->numports_2+1) | (xhci->numports_3<<8);
break;
case 0x3c: /* Supported Protocol:0c */
ret = 0x00000000; /* reserved */
break;
default:
- fprintf(stderr, "xhci_cap_read: reg %d unimplemented\n", reg);
+ fprintf(stderr, "xhci_cap_read: reg %d unimplemented\n", (int)reg);
ret = 0;
}
return ret;
}
-static uint32_t xhci_port_read(XHCIState *xhci, uint32_t reg)
+static uint64_t xhci_port_read(void *ptr, hwaddr reg, unsigned size)
{
- uint32_t port = reg >> 4;
+ XHCIPort *port = ptr;
uint32_t ret;
- if (port >= MAXPORTS) {
- fprintf(stderr, "xhci_port_read: port %d out of bounds\n", port);
- ret = 0;
- goto out;
- }
-
- switch (reg & 0xf) {
+ switch (reg) {
case 0x00: /* PORTSC */
- ret = xhci->ports[port].portsc;
+ ret = port->portsc;
break;
case 0x04: /* PORTPMSC */
case 0x08: /* PORTLI */
case 0x0c: /* reserved */
default:
fprintf(stderr, "xhci_port_read (port %d): reg 0x%x unimplemented\n",
- port, reg);
+ port->portnr, (uint32_t)reg);
ret = 0;
}
-out:
- trace_usb_xhci_port_read(port, reg & 0x0f, ret);
+ trace_usb_xhci_port_read(port->portnr, reg, ret);
return ret;
}
-static void xhci_port_write(XHCIState *xhci, uint32_t reg, uint32_t val)
+static void xhci_port_write(void *ptr, hwaddr reg,
+ uint64_t val, unsigned size)
{
- uint32_t port = reg >> 4;
+ XHCIPort *port = ptr;
uint32_t portsc;
- trace_usb_xhci_port_write(port, reg & 0x0f, val);
+ trace_usb_xhci_port_write(port->portnr, reg, val);
- if (port >= MAXPORTS) {
- fprintf(stderr, "xhci_port_read: port %d out of bounds\n", port);
- return;
- }
-
- switch (reg & 0xf) {
+ switch (reg) {
case 0x00: /* PORTSC */
- portsc = xhci->ports[port].portsc;
+ portsc = port->portsc;
/* write-1-to-clear bits*/
portsc &= ~(val & (PORTSC_CSC|PORTSC_PEC|PORTSC_WRC|PORTSC_OCC|
PORTSC_PRC|PORTSC_PLC|PORTSC_CEC));
if (val & PORTSC_LWS) {
/* overwrite PLS only when LWS=1 */
- portsc &= ~(PORTSC_PLS_MASK << PORTSC_PLS_SHIFT);
- portsc |= val & (PORTSC_PLS_MASK << PORTSC_PLS_SHIFT);
+ uint32_t pls = get_field(val, PORTSC_PLS);
+ set_field(&portsc, pls, PORTSC_PLS);
+ trace_usb_xhci_port_link(port->portnr, pls);
}
/* read/write bits */
portsc &= ~(PORTSC_PP|PORTSC_WCE|PORTSC_WDE|PORTSC_WOE);
portsc |= (val & (PORTSC_PP|PORTSC_WCE|PORTSC_WDE|PORTSC_WOE));
+ port->portsc = portsc;
/* write-1-to-start bits */
if (val & PORTSC_PR) {
- DPRINTF("xhci: port %d reset\n", port);
- usb_device_reset(xhci->ports[port].port.dev);
- portsc |= PORTSC_PRC | PORTSC_PED;
+ xhci_port_reset(port);
}
- xhci->ports[port].portsc = portsc;
break;
case 0x04: /* PORTPMSC */
case 0x08: /* PORTLI */
default:
fprintf(stderr, "xhci_port_write (port %d): reg 0x%x unimplemented\n",
- port, reg);
+ port->portnr, (uint32_t)reg);
}
}
-static uint32_t xhci_oper_read(XHCIState *xhci, uint32_t reg)
+static uint64_t xhci_oper_read(void *ptr, hwaddr reg, unsigned size)
{
+ XHCIState *xhci = ptr;
uint32_t ret;
- if (reg >= 0x400) {
- return xhci_port_read(xhci, reg - 0x400);
- }
-
switch (reg) {
case 0x00: /* USBCMD */
ret = xhci->usbcmd;
ret = xhci->config;
break;
default:
- fprintf(stderr, "xhci_oper_read: reg 0x%x unimplemented\n", reg);
+ fprintf(stderr, "xhci_oper_read: reg 0x%x unimplemented\n", (int)reg);
ret = 0;
}
return ret;
}
-static void xhci_oper_write(XHCIState *xhci, uint32_t reg, uint32_t val)
+static void xhci_oper_write(void *ptr, hwaddr reg,
+ uint64_t val, unsigned size)
{
- if (reg >= 0x400) {
- xhci_port_write(xhci, reg - 0x400, val);
- return;
- }
+ XHCIState *xhci = ptr;
trace_usb_xhci_oper_write(reg, val);
xhci_stop(xhci);
}
xhci->usbcmd = val & 0xc0f;
+ xhci_mfwrap_update(xhci);
if (val & USBCMD_HCRST) {
xhci_reset(&xhci->pci_dev.qdev);
}
- xhci_irq_update(xhci);
+ xhci_intx_update(xhci);
break;
case 0x04: /* USBSTS */
/* these bits are write-1-to-clear */
xhci->usbsts &= ~(val & (USBSTS_HSE|USBSTS_EINT|USBSTS_PCD|USBSTS_SRE));
- xhci_irq_update(xhci);
+ xhci_intx_update(xhci);
break;
case 0x14: /* DNCTRL */
if (xhci->crcr_low & (CRCR_CA|CRCR_CS) && (xhci->crcr_low & CRCR_CRR)) {
XHCIEvent event = {ER_COMMAND_COMPLETE, CC_COMMAND_RING_STOPPED};
xhci->crcr_low &= ~CRCR_CRR;
- xhci_event(xhci, &event);
+ xhci_event(xhci, &event, 0);
DPRINTF("xhci: command ring stopped (CRCR=%08x)\n", xhci->crcr_low);
} else {
dma_addr_t base = xhci_addr64(xhci->crcr_low & ~0x3f, val);
xhci->config = val & 0xff;
break;
default:
- fprintf(stderr, "xhci_oper_write: reg 0x%x unimplemented\n", reg);
+ fprintf(stderr, "xhci_oper_write: reg 0x%x unimplemented\n", (int)reg);
}
}
-static uint32_t xhci_runtime_read(XHCIState *xhci, uint32_t reg)
+static uint64_t xhci_runtime_read(void *ptr, hwaddr reg,
+ unsigned size)
{
- uint32_t ret;
+ XHCIState *xhci = ptr;
+ uint32_t ret = 0;
- switch (reg) {
- case 0x00: /* MFINDEX */
- fprintf(stderr, "xhci_runtime_read: MFINDEX not yet implemented\n");
- ret = xhci->mfindex;
- break;
- case 0x20: /* IMAN */
- ret = xhci->iman;
- break;
- case 0x24: /* IMOD */
- ret = xhci->imod;
- break;
- case 0x28: /* ERSTSZ */
- ret = xhci->erstsz;
- break;
- case 0x30: /* ERSTBA low */
- ret = xhci->erstba_low;
- break;
- case 0x34: /* ERSTBA high */
- ret = xhci->erstba_high;
- break;
- case 0x38: /* ERDP low */
- ret = xhci->erdp_low;
- break;
- case 0x3c: /* ERDP high */
- ret = xhci->erdp_high;
- break;
- default:
- fprintf(stderr, "xhci_runtime_read: reg 0x%x unimplemented\n", reg);
- ret = 0;
+ if (reg < 0x20) {
+ switch (reg) {
+ case 0x00: /* MFINDEX */
+ ret = xhci_mfindex_get(xhci) & 0x3fff;
+ break;
+ default:
+ fprintf(stderr, "xhci_runtime_read: reg 0x%x unimplemented\n",
+ (int)reg);
+ break;
+ }
+ } else {
+ int v = (reg - 0x20) / 0x20;
+ XHCIInterrupter *intr = &xhci->intr[v];
+ switch (reg & 0x1f) {
+ case 0x00: /* IMAN */
+ ret = intr->iman;
+ break;
+ case 0x04: /* IMOD */
+ ret = intr->imod;
+ break;
+ case 0x08: /* ERSTSZ */
+ ret = intr->erstsz;
+ break;
+ case 0x10: /* ERSTBA low */
+ ret = intr->erstba_low;
+ break;
+ case 0x14: /* ERSTBA high */
+ ret = intr->erstba_high;
+ break;
+ case 0x18: /* ERDP low */
+ ret = intr->erdp_low;
+ break;
+ case 0x1c: /* ERDP high */
+ ret = intr->erdp_high;
+ break;
+ }
}
trace_usb_xhci_runtime_read(reg, ret);
return ret;
}
-static void xhci_runtime_write(XHCIState *xhci, uint32_t reg, uint32_t val)
+static void xhci_runtime_write(void *ptr, hwaddr reg,
+ uint64_t val, unsigned size)
{
- trace_usb_xhci_runtime_read(reg, val);
+ XHCIState *xhci = ptr;
+ int v = (reg - 0x20) / 0x20;
+ XHCIInterrupter *intr = &xhci->intr[v];
+ trace_usb_xhci_runtime_write(reg, val);
- switch (reg) {
- case 0x20: /* IMAN */
+ if (reg < 0x20) {
+ fprintf(stderr, "%s: reg 0x%x unimplemented\n", __func__, (int)reg);
+ return;
+ }
+
+ switch (reg & 0x1f) {
+ case 0x00: /* IMAN */
if (val & IMAN_IP) {
- xhci->iman &= ~IMAN_IP;
+ intr->iman &= ~IMAN_IP;
+ }
+ intr->iman &= ~IMAN_IE;
+ intr->iman |= val & IMAN_IE;
+ if (v == 0) {
+ xhci_intx_update(xhci);
}
- xhci->iman &= ~IMAN_IE;
- xhci->iman |= val & IMAN_IE;
- xhci_irq_update(xhci);
+ xhci_msix_update(xhci, v);
break;
- case 0x24: /* IMOD */
- xhci->imod = val;
+ case 0x04: /* IMOD */
+ intr->imod = val;
break;
- case 0x28: /* ERSTSZ */
- xhci->erstsz = val & 0xffff;
+ case 0x08: /* ERSTSZ */
+ intr->erstsz = val & 0xffff;
break;
- case 0x30: /* ERSTBA low */
+ case 0x10: /* ERSTBA low */
/* XXX NEC driver bug: it doesn't align this to 64 bytes
- xhci->erstba_low = val & 0xffffffc0; */
- xhci->erstba_low = val & 0xfffffff0;
+ intr->erstba_low = val & 0xffffffc0; */
+ intr->erstba_low = val & 0xfffffff0;
break;
- case 0x34: /* ERSTBA high */
- xhci->erstba_high = val;
- xhci_er_reset(xhci);
+ case 0x14: /* ERSTBA high */
+ intr->erstba_high = val;
+ xhci_er_reset(xhci, v);
break;
- case 0x38: /* ERDP low */
+ case 0x18: /* ERDP low */
if (val & ERDP_EHB) {
- xhci->erdp_low &= ~ERDP_EHB;
+ intr->erdp_low &= ~ERDP_EHB;
}
- xhci->erdp_low = (val & ~ERDP_EHB) | (xhci->erdp_low & ERDP_EHB);
+ intr->erdp_low = (val & ~ERDP_EHB) | (intr->erdp_low & ERDP_EHB);
break;
- case 0x3c: /* ERDP high */
- xhci->erdp_high = val;
- xhci_events_update(xhci);
+ case 0x1c: /* ERDP high */
+ intr->erdp_high = val;
+ xhci_events_update(xhci, v);
break;
default:
- fprintf(stderr, "xhci_oper_write: reg 0x%x unimplemented\n", reg);
+ fprintf(stderr, "xhci_oper_write: reg 0x%x unimplemented\n",
+ (int)reg);
}
}
-static uint32_t xhci_doorbell_read(XHCIState *xhci, uint32_t reg)
+static uint64_t xhci_doorbell_read(void *ptr, hwaddr reg,
+ unsigned size)
{
/* doorbells always read as 0 */
trace_usb_xhci_doorbell_read(reg, 0);
return 0;
}
-static void xhci_doorbell_write(XHCIState *xhci, uint32_t reg, uint32_t val)
+static void xhci_doorbell_write(void *ptr, hwaddr reg,
+ uint64_t val, unsigned size)
{
+ XHCIState *xhci = ptr;
+
trace_usb_xhci_doorbell_write(reg, val);
if (!xhci_running(xhci)) {
if (val == 0) {
xhci_process_commands(xhci);
} else {
- fprintf(stderr, "xhci: bad doorbell 0 write: 0x%x\n", val);
+ fprintf(stderr, "xhci: bad doorbell 0 write: 0x%x\n",
+ (uint32_t)val);
}
} else {
- if (reg > MAXSLOTS) {
- fprintf(stderr, "xhci: bad doorbell %d\n", reg);
+ if (reg > xhci->numslots) {
+ fprintf(stderr, "xhci: bad doorbell %d\n", (int)reg);
} else if (val > 31) {
- fprintf(stderr, "xhci: bad doorbell %d write: 0x%x\n", reg, val);
+ fprintf(stderr, "xhci: bad doorbell %d write: 0x%x\n",
+ (int)reg, (uint32_t)val);
} else {
xhci_kick_ep(xhci, reg, val);
}
}
}
-static uint64_t xhci_mem_read(void *ptr, target_phys_addr_t addr,
- unsigned size)
-{
- XHCIState *xhci = ptr;
-
- /* Only aligned reads are allowed on xHCI */
- if (addr & 3) {
- fprintf(stderr, "xhci_mem_read: Mis-aligned read\n");
- return 0;
- }
-
- if (addr < LEN_CAP) {
- return xhci_cap_read(xhci, addr);
- } else if (addr >= OFF_OPER && addr < (OFF_OPER + LEN_OPER)) {
- return xhci_oper_read(xhci, addr - OFF_OPER);
- } else if (addr >= OFF_RUNTIME && addr < (OFF_RUNTIME + LEN_RUNTIME)) {
- return xhci_runtime_read(xhci, addr - OFF_RUNTIME);
- } else if (addr >= OFF_DOORBELL && addr < (OFF_DOORBELL + LEN_DOORBELL)) {
- return xhci_doorbell_read(xhci, addr - OFF_DOORBELL);
- } else {
- fprintf(stderr, "xhci_mem_read: Bad offset %x\n", (int)addr);
- return 0;
- }
-}
+static const MemoryRegionOps xhci_cap_ops = {
+ .read = xhci_cap_read,
+ .valid.min_access_size = 1,
+ .valid.max_access_size = 4,
+ .impl.min_access_size = 4,
+ .impl.max_access_size = 4,
+ .endianness = DEVICE_LITTLE_ENDIAN,
+};
-static void xhci_mem_write(void *ptr, target_phys_addr_t addr,
- uint64_t val, unsigned size)
-{
- XHCIState *xhci = ptr;
+static const MemoryRegionOps xhci_oper_ops = {
+ .read = xhci_oper_read,
+ .write = xhci_oper_write,
+ .valid.min_access_size = 4,
+ .valid.max_access_size = 4,
+ .endianness = DEVICE_LITTLE_ENDIAN,
+};
- /* Only aligned writes are allowed on xHCI */
- if (addr & 3) {
- fprintf(stderr, "xhci_mem_write: Mis-aligned write\n");
- return;
- }
+static const MemoryRegionOps xhci_port_ops = {
+ .read = xhci_port_read,
+ .write = xhci_port_write,
+ .valid.min_access_size = 4,
+ .valid.max_access_size = 4,
+ .endianness = DEVICE_LITTLE_ENDIAN,
+};
- if (addr >= OFF_OPER && addr < (OFF_OPER + LEN_OPER)) {
- xhci_oper_write(xhci, addr - OFF_OPER, val);
- } else if (addr >= OFF_RUNTIME && addr < (OFF_RUNTIME + LEN_RUNTIME)) {
- xhci_runtime_write(xhci, addr - OFF_RUNTIME, val);
- } else if (addr >= OFF_DOORBELL && addr < (OFF_DOORBELL + LEN_DOORBELL)) {
- xhci_doorbell_write(xhci, addr - OFF_DOORBELL, val);
- } else {
- fprintf(stderr, "xhci_mem_write: Bad offset %x\n", (int)addr);
- }
-}
+static const MemoryRegionOps xhci_runtime_ops = {
+ .read = xhci_runtime_read,
+ .write = xhci_runtime_write,
+ .valid.min_access_size = 4,
+ .valid.max_access_size = 4,
+ .endianness = DEVICE_LITTLE_ENDIAN,
+};
-static const MemoryRegionOps xhci_mem_ops = {
- .read = xhci_mem_read,
- .write = xhci_mem_write,
+static const MemoryRegionOps xhci_doorbell_ops = {
+ .read = xhci_doorbell_read,
+ .write = xhci_doorbell_write,
.valid.min_access_size = 4,
.valid.max_access_size = 4,
.endianness = DEVICE_LITTLE_ENDIAN,
static void xhci_attach(USBPort *usbport)
{
XHCIState *xhci = usbport->opaque;
- XHCIPort *port = &xhci->ports[usbport->index];
+ XHCIPort *port = xhci_lookup_port(xhci, usbport);
- xhci_update_port(xhci, port, 0);
+ xhci_port_update(port, 0);
}
static void xhci_detach(USBPort *usbport)
{
XHCIState *xhci = usbport->opaque;
- XHCIPort *port = &xhci->ports[usbport->index];
+ XHCIPort *port = xhci_lookup_port(xhci, usbport);
- xhci_update_port(xhci, port, 1);
+ xhci_port_update(port, 1);
}
static void xhci_wakeup(USBPort *usbport)
{
XHCIState *xhci = usbport->opaque;
- XHCIPort *port = &xhci->ports[usbport->index];
- int nr = port->port.index + 1;
- XHCIEvent ev = { ER_PORT_STATUS_CHANGE, CC_SUCCESS, nr << 24};
- uint32_t pls;
+ XHCIPort *port = xhci_lookup_port(xhci, usbport);
- pls = (port->portsc >> PORTSC_PLS_SHIFT) & PORTSC_PLS_MASK;
- if (pls != 3) {
+ if (get_field(port->portsc, PORTSC_PLS) != PLS_U3) {
return;
}
- port->portsc |= 0xf << PORTSC_PLS_SHIFT;
- if (port->portsc & PORTSC_PLC) {
- return;
- }
- port->portsc |= PORTSC_PLC;
- xhci_event(xhci, &ev);
+ set_field(&port->portsc, PLS_RESUME, PORTSC_PLS);
+ xhci_port_notify(port, PORTSC_PLC);
}
static void xhci_complete(USBPort *port, USBPacket *packet)
{
XHCITransfer *xfer = container_of(packet, XHCITransfer, packet);
- xhci_complete_packet(xfer, packet->result);
+ if (packet->status == USB_RET_REMOVE_FROM_QUEUE) {
+ xhci_ep_nuke_one_xfer(xfer);
+ return;
+ }
+ xhci_complete_packet(xfer);
xhci_kick_ep(xfer->xhci, xfer->slotid, xfer->epid);
}
-static void xhci_child_detach(USBPort *port, USBDevice *child)
+static void xhci_child_detach(USBPort *uport, USBDevice *child)
{
- FIXME();
+ USBBus *bus = usb_bus_from_device(child);
+ XHCIState *xhci = container_of(bus, XHCIState, bus);
+ int i;
+
+ for (i = 0; i < xhci->numslots; i++) {
+ if (xhci->slots[i].uport == uport) {
+ xhci->slots[i].uport = NULL;
+ }
+ }
}
-static USBPortOps xhci_port_ops = {
+static USBPortOps xhci_uport_ops = {
.attach = xhci_attach,
.detach = xhci_detach,
.wakeup = xhci_wakeup,
XHCISlot *slot;
int slotid;
- for (slotid = 1; slotid <= MAXSLOTS; slotid++) {
+ for (slotid = 1; slotid <= xhci->numslots; slotid++) {
slot = &xhci->slots[slotid-1];
if (slot->devaddr == dev->addr) {
return slotid;
static void usb_xhci_init(XHCIState *xhci, DeviceState *dev)
{
- int i;
+ XHCIPort *port;
+ int i, usbports, speedmask;
xhci->usbsts = USBSTS_HCH;
+ if (xhci->numports_2 > MAXPORTS_2) {
+ xhci->numports_2 = MAXPORTS_2;
+ }
+ if (xhci->numports_3 > MAXPORTS_3) {
+ xhci->numports_3 = MAXPORTS_3;
+ }
+ usbports = MAX(xhci->numports_2, xhci->numports_3);
+ xhci->numports = xhci->numports_2 + xhci->numports_3;
+
usb_bus_new(&xhci->bus, &xhci_bus_ops, &xhci->pci_dev.qdev);
- for (i = 0; i < MAXPORTS; i++) {
- memset(&xhci->ports[i], 0, sizeof(xhci->ports[i]));
- usb_register_port(&xhci->bus, &xhci->ports[i].port, xhci, i,
- &xhci_port_ops,
- USB_SPEED_MASK_LOW |
- USB_SPEED_MASK_FULL |
- USB_SPEED_MASK_HIGH);
- }
- for (i = 0; i < MAXSLOTS; i++) {
- xhci->slots[i].enabled = 0;
+ for (i = 0; i < usbports; i++) {
+ speedmask = 0;
+ if (i < xhci->numports_2) {
+ port = &xhci->ports[i];
+ port->portnr = i + 1;
+ port->uport = &xhci->uports[i];
+ port->speedmask =
+ USB_SPEED_MASK_LOW |
+ USB_SPEED_MASK_FULL |
+ USB_SPEED_MASK_HIGH;
+ snprintf(port->name, sizeof(port->name), "usb2 port #%d", i+1);
+ speedmask |= port->speedmask;
+ }
+ if (i < xhci->numports_3) {
+ port = &xhci->ports[i + xhci->numports_2];
+ port->portnr = i + 1 + xhci->numports_2;
+ port->uport = &xhci->uports[i];
+ port->speedmask = USB_SPEED_MASK_SUPER;
+ snprintf(port->name, sizeof(port->name), "usb3 port #%d", i+1);
+ speedmask |= port->speedmask;
+ }
+ usb_register_port(&xhci->bus, &xhci->uports[i], xhci, i,
+ &xhci_uport_ops, speedmask);
}
}
static int usb_xhci_initfn(struct PCIDevice *dev)
{
- int ret;
+ int i, ret;
XHCIState *xhci = DO_UPCAST(XHCIState, pci_dev, dev);
usb_xhci_init(xhci, &dev->qdev);
+ if (xhci->numintrs > MAXINTRS) {
+ xhci->numintrs = MAXINTRS;
+ }
+ if (xhci->numintrs < 1) {
+ xhci->numintrs = 1;
+ }
+ if (xhci->numslots > MAXSLOTS) {
+ xhci->numslots = MAXSLOTS;
+ }
+ if (xhci->numslots < 1) {
+ xhci->numslots = 1;
+ }
+
+ xhci->mfwrap_timer = qemu_new_timer_ns(vm_clock, xhci_mfwrap_timer, xhci);
+
xhci->irq = xhci->pci_dev.irq[0];
- memory_region_init_io(&xhci->mem, &xhci_mem_ops, xhci,
- "xhci", LEN_REGS);
+ memory_region_init(&xhci->mem, "xhci", LEN_REGS);
+ memory_region_init_io(&xhci->mem_cap, &xhci_cap_ops, xhci,
+ "capabilities", LEN_CAP);
+ memory_region_init_io(&xhci->mem_oper, &xhci_oper_ops, xhci,
+ "operational", 0x400);
+ memory_region_init_io(&xhci->mem_runtime, &xhci_runtime_ops, xhci,
+ "runtime", LEN_RUNTIME);
+ memory_region_init_io(&xhci->mem_doorbell, &xhci_doorbell_ops, xhci,
+ "doorbell", LEN_DOORBELL);
+
+ memory_region_add_subregion(&xhci->mem, 0, &xhci->mem_cap);
+ memory_region_add_subregion(&xhci->mem, OFF_OPER, &xhci->mem_oper);
+ memory_region_add_subregion(&xhci->mem, OFF_RUNTIME, &xhci->mem_runtime);
+ memory_region_add_subregion(&xhci->mem, OFF_DOORBELL, &xhci->mem_doorbell);
+
+ for (i = 0; i < xhci->numports; i++) {
+ XHCIPort *port = &xhci->ports[i];
+ uint32_t offset = OFF_OPER + 0x400 + 0x10 * i;
+ port->xhci = xhci;
+ memory_region_init_io(&port->mem, &xhci_port_ops, port,
+ port->name, 0x10);
+ memory_region_add_subregion(&xhci->mem, offset, &port->mem);
+ }
+
pci_register_bar(&xhci->pci_dev, 0,
PCI_BASE_ADDRESS_SPACE_MEMORY|PCI_BASE_ADDRESS_MEM_TYPE_64,
&xhci->mem);
ret = pcie_cap_init(&xhci->pci_dev, 0xa0, PCI_EXP_TYPE_ENDPOINT, 0);
assert(ret >= 0);
- if (xhci->msi) {
- ret = msi_init(&xhci->pci_dev, 0x70, 1, true, false);
- assert(ret >= 0);
+ if (xhci->flags & (1 << XHCI_FLAG_USE_MSI)) {
+ msi_init(&xhci->pci_dev, 0x70, xhci->numintrs, true, false);
+ }
+ if (xhci->flags & (1 << XHCI_FLAG_USE_MSI_X)) {
+ msix_init(&xhci->pci_dev, xhci->numintrs,
+ &xhci->mem, 0, OFF_MSIX_TABLE,
+ &xhci->mem, 0, OFF_MSIX_PBA,
+ 0x90);
}
return 0;
}
-static void xhci_write_config(PCIDevice *dev, uint32_t addr, uint32_t val,
- int len)
-{
- XHCIState *xhci = DO_UPCAST(XHCIState, pci_dev, dev);
-
- pci_default_write_config(dev, addr, val, len);
- if (xhci->msi) {
- msi_write_config(dev, addr, val, len);
- }
-}
-
static const VMStateDescription vmstate_xhci = {
.name = "xhci",
.unmigratable = 1,
};
static Property xhci_properties[] = {
- DEFINE_PROP_UINT32("msi", XHCIState, msi, 0),
+ DEFINE_PROP_BIT("msi", XHCIState, flags, XHCI_FLAG_USE_MSI, true),
+ DEFINE_PROP_BIT("msix", XHCIState, flags, XHCI_FLAG_USE_MSI_X, true),
+ DEFINE_PROP_UINT32("intrs", XHCIState, numintrs, MAXINTRS),
+ DEFINE_PROP_UINT32("slots", XHCIState, numslots, MAXSLOTS),
+ DEFINE_PROP_UINT32("p2", XHCIState, numports_2, 4),
+ DEFINE_PROP_UINT32("p3", XHCIState, numports_3, 4),
DEFINE_PROP_END_OF_LIST(),
};
k->class_id = PCI_CLASS_SERIAL_USB;
k->revision = 0x03;
k->is_express = 1;
- k->config_write = xhci_write_config;
+ k->no_hotplug = 1;
}
static TypeInfo xhci_info = {
projects / qemu.git / blobdiff