diff options
author | Gerd Hoffmann <kraxel@redhat.com> | 2012-10-24 11:49:30 +0200 |
---|---|---|
committer | Hans de Goede <hdegoede@redhat.com> | 2012-11-04 15:47:38 +0100 |
commit | 2bf44659099ac31012b28a54993704b980240851 (patch) | |
tree | b29ca378d6cf4c8152584ff5e8fdc1d3bce032df | |
parent | 62db40d62044b9901acf6eafcb451fd4421c7ba3 (diff) |
xhci: make number of interrupters and slots configurable
Add properties to tweak the numbers of available interrupters and slots.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
-rw-r--r-- | hw/usb/hcd-xhci.c | 79 |
1 files changed, 48 insertions, 31 deletions
diff --git a/hw/usb/hcd-xhci.c b/hw/usb/hcd-xhci.c index 4bb5fc849..58cfc21de 100644 --- a/hw/usb/hcd-xhci.c +++ b/hw/usb/hcd-xhci.c @@ -417,6 +417,8 @@ struct XHCIState { /* properties */ uint32_t numports_2; uint32_t numports_3; + uint32_t numintrs; + uint32_t numslots; uint32_t flags; /* Operational Registers */ @@ -817,8 +819,8 @@ static void xhci_event(XHCIState *xhci, XHCIEvent *event, int v) dma_addr_t erdp; unsigned int dp_idx; - if (v >= MAXINTRS) { - DPRINTF("intr nr out of range (%d >= %d)\n", v, MAXINTRS); + if (v >= xhci->numintrs) { + DPRINTF("intr nr out of range (%d >= %d)\n", v, xhci->numintrs); return; } intr = &xhci->intr[v]; @@ -1044,7 +1046,7 @@ static TRBCCode xhci_enable_ep(XHCIState *xhci, unsigned int slotid, 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]; @@ -1122,7 +1124,7 @@ static int xhci_ep_nuke_xfers(XHCIState *xhci, unsigned int slotid, 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); @@ -1150,7 +1152,7 @@ static TRBCCode xhci_disable_ep(XHCIState *xhci, unsigned int slotid, 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]; @@ -1180,7 +1182,7 @@ static TRBCCode xhci_stop_ep(XHCIState *xhci, unsigned int slotid, 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); @@ -1214,7 +1216,7 @@ static TRBCCode xhci_reset_ep(XHCIState *xhci, unsigned int slotid, 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); @@ -1264,7 +1266,7 @@ static TRBCCode xhci_set_ep_dequeue(XHCIState *xhci, unsigned int slotid, 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); @@ -1668,7 +1670,7 @@ static void xhci_kick_ep(XHCIState *xhci, unsigned int slotid, unsigned int epid 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) { @@ -1788,7 +1790,7 @@ static void xhci_kick_ep(XHCIState *xhci, unsigned int slotid, unsigned int epid 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].uport = NULL; memset(xhci->slots[slotid-1].eps, 0, sizeof(XHCIEPContext*)*31); @@ -1801,7 +1803,7 @@ static TRBCCode xhci_disable_slot(XHCIState *xhci, unsigned int slotid) 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]) { @@ -1853,7 +1855,7 @@ static TRBCCode xhci_address_slot(XHCIState *xhci, unsigned int slotid, 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)); @@ -1892,7 +1894,7 @@ static TRBCCode xhci_address_slot(XHCIState *xhci, unsigned int slotid, return CC_USB_TRANSACTION_ERROR; } - for (i = 0; i < MAXSLOTS; i++) { + for (i = 0; i < xhci->numslots; i++) { if (xhci->slots[i].uport == uport) { fprintf(stderr, "xhci: port %s already assigned to slot %d\n", uport->path, i+1); @@ -1941,7 +1943,7 @@ static TRBCCode xhci_configure_slot(XHCIState *xhci, unsigned int slotid, 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; @@ -2029,7 +2031,7 @@ static TRBCCode xhci_evaluate_slot(XHCIState *xhci, unsigned int slotid, 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; @@ -2092,7 +2094,7 @@ static TRBCCode xhci_reset_slot(XHCIState *xhci, unsigned int slotid) 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; @@ -2118,7 +2120,7 @@ static unsigned int xhci_get_slot(XHCIState *xhci, XHCIEvent *event, XHCITRB *tr { 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; @@ -2210,12 +2212,12 @@ static void xhci_process_commands(XHCIState *xhci) 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 { @@ -2362,7 +2364,7 @@ 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); } @@ -2370,7 +2372,7 @@ static void xhci_reset(DeviceState *dev) xhci_update_port(xhci, xhci->ports + i, 0); } - for (i = 0; i < MAXINTRS; i++) { + for (i = 0; i < xhci->numintrs; i++) { xhci->intr[i].iman = 0; xhci->intr[i].imod = 0; xhci->intr[i].erstsz = 0; @@ -2402,7 +2404,7 @@ static uint64_t xhci_cap_read(void *ptr, target_phys_addr_t reg, unsigned size) break; case 0x04: /* HCSPARAMS 1 */ ret = ((xhci->numports_2+xhci->numports_3)<<24) - | (MAXINTRS<<8) | MAXSLOTS; + | (xhci->numintrs<<8) | xhci->numslots; break; case 0x08: /* HCSPARAMS 2 */ ret = 0x0000000f; @@ -2757,7 +2759,7 @@ static void xhci_doorbell_write(void *ptr, target_phys_addr_t reg, (uint32_t)val); } } else { - if (reg > MAXSLOTS) { + 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", @@ -2863,7 +2865,7 @@ static void xhci_child_detach(USBPort *uport, USBDevice *child) XHCIState *xhci = container_of(bus, XHCIState, bus); int i; - for (i = 0; i < MAXSLOTS; i++) { + for (i = 0; i < xhci->numslots; i++) { if (xhci->slots[i].uport == uport) { xhci->slots[i].uport = NULL; } @@ -2883,7 +2885,7 @@ static int xhci_find_slotid(XHCIState *xhci, USBDevice *dev) 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; @@ -2979,6 +2981,19 @@ static int usb_xhci_initfn(struct PCIDevice *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]; @@ -3015,10 +3030,10 @@ static int usb_xhci_initfn(struct PCIDevice *dev) assert(ret >= 0); if (xhci->flags & (1 << XHCI_FLAG_USE_MSI)) { - msi_init(&xhci->pci_dev, 0x70, MAXINTRS, true, false); + msi_init(&xhci->pci_dev, 0x70, xhci->numintrs, true, false); } if (xhci->flags & (1 << XHCI_FLAG_USE_MSI_X)) { - msix_init(&xhci->pci_dev, MAXINTRS, + msix_init(&xhci->pci_dev, xhci->numintrs, &xhci->mem, 0, OFF_MSIX_TABLE, &xhci->mem, 0, OFF_MSIX_PBA, 0x90); @@ -3033,10 +3048,12 @@ static const VMStateDescription vmstate_xhci = { }; static Property xhci_properties[] = { - 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("p2", XHCIState, numports_2, 4), - DEFINE_PROP_UINT32("p3", XHCIState, numports_3, 4), + 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(), }; 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