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d="scan'208";a="3951217" From: Anthony PERARD To: Date: Fri, 2 Aug 2019 16:35:47 +0100 Message-ID: <20190802153606.32061-17-anthony.perard@citrix.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190802153606.32061-1-anthony.perard@citrix.com> References: <20190802153606.32061-1-anthony.perard@citrix.com> MIME-Version: 1.0 Subject: [Xen-devel] [PATCH 16/35] libxl: Inline do_usbdev_remove into libxl__device_usbdev_remove X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Anthony PERARD , Ian Jackson , Wei Liu Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" Having the function do_usbdev_remove makes it harder to add asynchronous calls into it. Move its body back into libxl__device_usbdev_remove and adjust the latter as there are no reason to have a separated function. No functional changes. Signed-off-by: Anthony PERARD Acked-by: Ian Jackson --- tools/libxl/libxl_usb.c | 63 +++++++++++++++-------------------------- 1 file changed, 23 insertions(+), 40 deletions(-) diff --git a/tools/libxl/libxl_usb.c b/tools/libxl/libxl_usb.c index 43c8ad3ee3..cc176f6d01 100644 --- a/tools/libxl/libxl_usb.c +++ b/tools/libxl/libxl_usb.c @@ -1655,17 +1655,38 @@ static void libxl__device_usbdev_add(libxl__egc *eg= c, uint32_t domid, LIBXL_DEFINE_DEVICE_ADD(usbdev) static LIBXL_DEFINE_DEVICES_ADD(usbdev) =20 -static int do_usbdev_remove(libxl__gc *gc, uint32_t domid, - libxl_device_usbdev *usbdev) +/* Operation to remove usb device. + * + * Generally, it does: + * 1) check if the usb device is assigned to the domain + * 2) remove the usb device from xenstore controller/port. + * 3) unbind usb device from usbback and rebind to its original driver. + * If usb device has many interfaces, do it to each interface. + */ +static int libxl__device_usbdev_remove(libxl__gc *gc, uint32_t domid, + libxl_device_usbdev *usbdev) { int rc; char *busid; libxl_device_usbctrl usbctrl; =20 + if (usbdev->ctrl < 0 || usbdev->port < 1) { + LOGD(ERROR, domid, "Invalid USB device"); + return ERROR_FAIL; + } + libxl_device_usbctrl_init(&usbctrl); rc =3D libxl_devid_to_device_usbctrl(CTX, domid, usbdev->ctrl, &usbctr= l); if (rc) goto out; =20 + if (usbctrl.backend_domid !=3D LIBXL_TOOLSTACK_DOMID) { + LOGD(ERROR, domid, + "Don't support removing USB device from non-Dom0 backend"); + rc =3D ERROR_INVAL; + goto out; + } + + /* do actual removing usb device operation */ switch (usbctrl.type) { case LIBXL_USBCTRL_TYPE_PV: busid =3D usbdev_busid_from_ctrlport(gc, domid, usbdev, usbctrl.ty= pe); @@ -1743,44 +1764,6 @@ static int do_usbdev_remove(libxl__gc *gc, uint32_t = domid, return rc; } =20 -/* Operation to remove usb device. - * - * Generally, it does: - * 1) check if the usb device is assigned to the domain - * 2) remove the usb device from xenstore controller/port. - * 3) unbind usb device from usbback and rebind to its original driver. - * If usb device has many interfaces, do it to each interface. - */ -static int libxl__device_usbdev_remove(libxl__gc *gc, uint32_t domid, - libxl_device_usbdev *usbdev) -{ - libxl_device_usbctrl usbctrl; - int rc; - - if (usbdev->ctrl < 0 || usbdev->port < 1) { - LOGD(ERROR, domid, "Invalid USB device"); - return ERROR_FAIL; - } - - libxl_device_usbctrl_init(&usbctrl); - rc =3D libxl_devid_to_device_usbctrl(CTX, domid, usbdev->ctrl, &usbctr= l); - if (rc) goto out; - - if (usbctrl.backend_domid !=3D LIBXL_TOOLSTACK_DOMID) { - LOGD(ERROR, domid, - "Don't support removing USB device from non-Dom0 backend"); - rc =3D ERROR_INVAL; - goto out; - } - - /* do actual removing usb device operation */ - rc =3D do_usbdev_remove(gc, domid, usbdev); - -out: - libxl_device_usbctrl_dispose(&usbctrl); - return rc; -} - int libxl_device_usbdev_remove(libxl_ctx *ctx, uint32_t domid, libxl_device_usbdev *usbdev, const libxl_asyncop_how *ao_how) --=20 Anthony PERARD _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel