Date: Sun, 17 Jul 2016 20:34:46 +0000 (UTC) From: Peter Grehan <grehan@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r302972 - head/usr.sbin/bhyve Message-ID: <201607172034.u6HKYkOr078379@repo.freebsd.org>
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Author: grehan Date: Sun Jul 17 20:34:46 2016 New Revision: 302972 URL: https://svnweb.freebsd.org/changeset/base/302972 Log: Disallow interrupt requests on disabled endpoints. Submitted by: Leon Dang MFC after: 3 days Modified: head/usr.sbin/bhyve/pci_xhci.c Modified: head/usr.sbin/bhyve/pci_xhci.c ============================================================================== --- head/usr.sbin/bhyve/pci_xhci.c Sun Jul 17 19:24:28 2016 (r302971) +++ head/usr.sbin/bhyve/pci_xhci.c Sun Jul 17 20:34:46 2016 (r302972) @@ -2537,9 +2537,11 @@ static int pci_xhci_dev_intr(struct usb_hci *hci, int epctx) { struct pci_xhci_dev_emu *dev; + struct xhci_dev_ctx *dev_ctx; struct xhci_trb evtrb; struct pci_xhci_softc *sc; struct pci_xhci_portregs *p; + struct xhci_endp_ctx *ep_ctx; int error; int dir_in; int epid; @@ -2578,6 +2580,14 @@ pci_xhci_dev_intr(struct usb_hci *hci, i goto done; } + dev_ctx = dev->dev_ctx; + ep_ctx = &dev_ctx->ctx_ep[epid]; + if ((ep_ctx->dwEpCtx0 & 0x7) == XHCI_ST_EPCTX_DISABLED) { + DPRINTF(("xhci device interrupt on disabled endpoint %d\r\n", + epid)); + return (0); + } + DPRINTF(("xhci device interrupt on endpoint %d\r\n", epid)); pci_xhci_device_doorbell(sc, hci->hci_port, epid, 0);
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