From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:34266) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cl4cW-000843-DF for qemu-devel@nongnu.org; Mon, 06 Mar 2017 21:13:01 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cl4cT-0002aA-JC for qemu-devel@nongnu.org; Mon, 06 Mar 2017 21:13:00 -0500 Received: from mail.kernel.org ([198.145.29.136]:59476) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1cl4cT-0002Zz-9l for qemu-devel@nongnu.org; Mon, 06 Mar 2017 21:12:57 -0500 From: Stefano Stabellini Date: Mon, 6 Mar 2017 18:12:43 -0800 Message-Id: <1488852768-8935-3-git-send-email-sstabellini@kernel.org> In-Reply-To: <1488852768-8935-1-git-send-email-sstabellini@kernel.org> References: <1488852768-8935-1-git-send-email-sstabellini@kernel.org> Subject: [Qemu-devel] [PATCH 3/8] xen/9pfs: introduce Xen 9pfs backend List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: xen-devel@lists.xenproject.org, sstabellini@kernel.org, Stefano Stabellini , anthony.perard@citrix.com, jgross@suse.com, "Aneesh Kumar K.V" , Greg Kurz Introduce the Xen 9pfs backend: add struct XenDevOps to register as a Xen backend and add struct V9fsTransport to register as v9fs transport. All functions are empty stubs for now. Signed-off-by: Stefano Stabellini CC: anthony.perard@citrix.com CC: jgross@suse.com CC: Aneesh Kumar K.V CC: Greg Kurz --- hw/9pfs/xen-9p-backend.c | 96 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 96 insertions(+) create mode 100644 hw/9pfs/xen-9p-backend.c diff --git a/hw/9pfs/xen-9p-backend.c b/hw/9pfs/xen-9p-backend.c new file mode 100644 index 0000000..924fb64 --- /dev/null +++ b/hw/9pfs/xen-9p-backend.c @@ -0,0 +1,96 @@ +/* + * Xen 9p backend + * + * Copyright Aporeto 2017 + * + * Authors: + * Stefano Stabellini + * + */ + +#include "qemu/osdep.h" + +#include "hw/hw.h" +#include "hw/9pfs/9p.h" +#include "hw/xen/xen_backend.h" +#include "xen_9pfs.h" +#include "qemu/config-file.h" +#include "fsdev/qemu-fsdev.h" + +struct Xen9pfsDev { + struct XenDevice xendev; /* must be first */ +}; + +static ssize_t xen_9pfs_pdu_vmarshal(V9fsPDU *pdu, + size_t offset, + const char *fmt, + va_list ap) +{ + return 0; +} + +static ssize_t xen_9pfs_pdu_vunmarshal(V9fsPDU *pdu, + size_t offset, + const char *fmt, + va_list ap) +{ + return 0; +} + +static void xen_9pfs_init_out_iov_from_pdu(V9fsPDU *pdu, + struct iovec **piov, + unsigned int *pniov) +{ +} + +static void xen_9pfs_init_in_iov_from_pdu(V9fsPDU *pdu, + struct iovec **piov, + unsigned int *pniov, + size_t size) +{ +} + +static void xen_9pfs_push_and_notify(V9fsPDU *pdu) +{ +} + +static const struct V9fsTransport xen_9p_transport = { + .pdu_vmarshal = xen_9pfs_pdu_vmarshal, + .pdu_vunmarshal = xen_9pfs_pdu_vunmarshal, + .init_in_iov_from_pdu = xen_9pfs_init_in_iov_from_pdu, + .init_out_iov_from_pdu = xen_9pfs_init_out_iov_from_pdu, + .push_and_notify = xen_9pfs_push_and_notify, +}; + +static int xen_9pfs_init(struct XenDevice *xendev) +{ + return 0; +} + +static int xen_9pfs_free(struct XenDevice *xendev) +{ + return -1; +} + +static int xen_9pfs_connect(struct XenDevice *xendev) +{ + return 0; +} + +static void xen_9pfs_alloc(struct XenDevice *xendev) +{ +} + +static void xen_9pfs_disconnect(struct XenDevice *xendev) +{ +} + +struct XenDevOps xen_9pfs_ops = { + .size = sizeof(struct Xen9pfsDev), + .flags = DEVOPS_FLAG_NEED_GNTDEV, + .alloc = xen_9pfs_alloc, + .init = xen_9pfs_init, + .initialise = xen_9pfs_connect, + .disconnect = xen_9pfs_disconnect, + .free = xen_9pfs_free, +}; -- 1.9.1