diff options
| -rw-r--r-- | hw/usb/hcd-xhci.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/hw/usb/hcd-xhci.c b/hw/usb/hcd-xhci.c index a27c9d3..2930b72 100644 --- a/hw/usb/hcd-xhci.c +++ b/hw/usb/hcd-xhci.c @@ -459,6 +459,7 @@ struct XHCIState { uint32_t numintrs; uint32_t numslots; uint32_t flags; + uint32_t max_pstreams_mask; /* Operational Registers */ uint32_t usbcmd; @@ -500,6 +501,7 @@ enum xhci_flags { XHCI_FLAG_USE_MSI_X, XHCI_FLAG_SS_FIRST, XHCI_FLAG_FORCE_PCIE_ENDCAP, + XHCI_FLAG_ENABLE_STREAMS, }; static void xhci_kick_ep(XHCIState *xhci, unsigned int slotid, @@ -1384,7 +1386,7 @@ static void xhci_init_epctx(XHCIEPContext *epctx, epctx->pctx = pctx; epctx->max_psize = ctx[1]>>16; epctx->max_psize *= 1+((ctx[1]>>8)&0xff); - epctx->max_pstreams = (ctx[0] >> 10) & 0xf; + epctx->max_pstreams = (ctx[0] >> 10) & epctx->xhci->max_pstreams_mask; epctx->lsa = (ctx[0] >> 15) & 1; if (epctx->max_pstreams) { xhci_alloc_streams(epctx, dequeue); @@ -2956,9 +2958,9 @@ static uint64_t xhci_cap_read(void *ptr, hwaddr reg, unsigned size) break; case 0x10: /* HCCPARAMS */ if (sizeof(dma_addr_t) == 4) { - ret = 0x00087000; + ret = 0x00080000 | (xhci->max_pstreams_mask << 12); } else { - ret = 0x00087001; + ret = 0x00080001 | (xhci->max_pstreams_mask << 12); } break; case 0x14: /* DBOFF */ @@ -3590,6 +3592,11 @@ static int usb_xhci_initfn(struct PCIDevice *dev) if (xhci->numslots < 1) { xhci->numslots = 1; } + if (xhci_get_flag(xhci, XHCI_FLAG_ENABLE_STREAMS)) { + xhci->max_pstreams_mask = 7; /* == 256 primary streams */ + } else { + xhci->max_pstreams_mask = 0; + } xhci->mfwrap_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, xhci_mfwrap_timer, xhci); @@ -3853,6 +3860,8 @@ static Property xhci_properties[] = { XHCIState, flags, XHCI_FLAG_SS_FIRST, true), DEFINE_PROP_BIT("force-pcie-endcap", XHCIState, flags, XHCI_FLAG_FORCE_PCIE_ENDCAP, false), + DEFINE_PROP_BIT("streams", XHCIState, flags, + XHCI_FLAG_ENABLE_STREAMS, true), DEFINE_PROP_UINT32("intrs", XHCIState, numintrs, MAXINTRS), DEFINE_PROP_UINT32("slots", XHCIState, numslots, MAXSLOTS), DEFINE_PROP_UINT32("p2", XHCIState, numports_2, 4), |