From patchwork Thu Mar 2 11:09:46 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paul Durrant X-Patchwork-Id: 9600073 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 5551560453 for ; Thu, 2 Mar 2017 11:12:24 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 4A32927F82 for ; Thu, 2 Mar 2017 11:12:24 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 3F13D27FA6; Thu, 2 Mar 2017 11:12:24 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 97FC527F93 for ; Thu, 2 Mar 2017 11:12:23 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cjOcN-0000e6-8r; Thu, 02 Mar 2017 11:09:55 +0000 Received: from mail6.bemta6.messagelabs.com ([193.109.254.103]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cjOcL-0000d7-QF for xen-devel@lists.xenproject.org; Thu, 02 Mar 2017 11:09:53 +0000 Received: from [193.109.254.147] by server-7.bemta-6.messagelabs.com id 90/AB-04817-18DF7B85; Thu, 02 Mar 2017 11:09:53 +0000 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFmpjkeJIrShJLcpLzFFi42JxWrohUrfh7/Y Ig3lLVSy+b5nM5MDocfjDFZYAxijWzLyk/IoE1ozdqyawF6yMqnh39CZzA+MJhy5GTg4JAX+J z3N+soPYbAI6ElOfXmIFsUUEbCVm/53K3MXIxcEs0MIoceLDdEaQhLCAo8SbvZ1gDSwCKhJH/ l8Ba+AVcJdo39fCDDFUTuL88Z9gNqeAh0TPtg9g9UJANd9mPGaCsFUk1k+dxQbRKyhxcuYTFh CbWUBC4uCLF8wTGHlnIUnNQpJawMi0ilGjOLWoLLVI18hML6koMz2jJDcxM0fX0MBMLze1uDg xPTUnMalYLzk/dxMjMHwYgGAH45kFgYcYJTmYlER5eZ9tjxDiS8pPqcxILM6ILyrNSS0+xCjD waEkwev/BygnWJSanlqRlpkDDGSYtAQHj5IILxdImre4IDG3ODMdInWKUVFKnJcfJCEAksgoz YNrg0XPJUZZKWFeRqBDhHgKUotyM0tQ5V8xinMwKglDTOHJzCuBm/4KaDET0OIXKltBFpckIq SkGhgnrv55Uznx94G9z/WmBVWcS+XWEQw8fpPxWffk9eVaXdWlrxmC62tTluyYo6pcvPX03OT DC/8L1HZf7j1wf9uhbTuT9lz+GL7s/k3v/7+D7/9OOH638Sgvu+++GSteBEtv9TTvvPhAsGrd vq2lXw7nfj/x0IN/27vly14nnxev/LqL/f/+6z2RwkosxRmJhlrMRcWJAOqciM2ZAgAA X-Env-Sender: prvs=2277aaf80=Paul.Durrant@citrix.com X-Msg-Ref: server-3.tower-27.messagelabs.com!1488452989!89366597!3 X-Originating-IP: [66.165.176.89] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogNjYuMTY1LjE3Ni44OSA9PiAyMDMwMDc=\n, received_headers: No Received headers X-StarScan-Received: X-StarScan-Version: 9.4.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 56108 invoked from network); 2 Mar 2017 11:09:52 -0000 Received: from smtp.citrix.com (HELO SMTP.CITRIX.COM) (66.165.176.89) by server-3.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 2 Mar 2017 11:09:52 -0000 X-IronPort-AV: E=Sophos;i="5.35,230,1484006400"; d="scan'208";a="410838438" From: Paul Durrant To: , Date: Thu, 2 Mar 2017 11:09:46 +0000 Message-ID: <1488452986-24501-6-git-send-email-paul.durrant@citrix.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1488452986-24501-1-git-send-email-paul.durrant@citrix.com> References: <1488452986-24501-1-git-send-email-paul.durrant@citrix.com> MIME-Version: 1.0 Cc: Anthony Perard , Paul Durrant , Stefano Stabellini Subject: [Xen-devel] [PATCH v2 5/5] xen: use libxendevicemodel when available X-BeenThere: xen-devel@lists.xen.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" X-Virus-Scanned: ClamAV using ClamSMTP This patch modifies the wrapper functions in xen_common.h to use the new xendevicemodel interface if it is available along with compatibility code to use the old libxenctrl interface if it is not. Signed-off-by: Paul Durrant Reviewed-by: Anthony PERARD --- Cc: Stefano Stabellini Cc: Anthony Perard v2: - Add a compat define for xenforeignmemory_close() since this is now used. --- include/hw/xen/xen_common.h | 115 +++++++++++++++++++++++++++++++------------- xen-common.c | 8 +++ 2 files changed, 90 insertions(+), 33 deletions(-) diff --git a/include/hw/xen/xen_common.h b/include/hw/xen/xen_common.h index 31cf25f..48444e5 100644 --- a/include/hw/xen/xen_common.h +++ b/include/hw/xen/xen_common.h @@ -9,6 +9,7 @@ #undef XC_WANT_COMPAT_EVTCHN_API #undef XC_WANT_COMPAT_GNTTAB_API #undef XC_WANT_COMPAT_MAP_FOREIGN_API +#undef XC_WANT_COMPAT_DEVICEMODEL_API #include #include @@ -26,48 +27,95 @@ extern xc_interface *xen_xc; * We don't support Xen prior to 4.2.0. */ +#if CONFIG_XEN_CTRL_INTERFACE_VERSION < 490 + +typedef xc_interface xendevicemodel_handle; + +#define xendevicemodel_open(l, f) xen_xc + +#define xendevicemodel_map_io_range_to_ioreq_server \ + xc_hvm_map_io_range_to_ioreq_server +#define xendevicemodel_unmap_io_range_from_ioreq_server \ + xc_hvm_unmap_io_range_from_ioreq_server +#define xendevicemodel_map_pcidev_to_ioreq_server \ + xc_hvm_map_pcidev_to_ioreq_server +#define xendevicemodel_unmap_pcidev_from_ioreq_server \ + xc_hvm_unmap_pcidev_from_ioreq_server +#define xendevicemodel_create_ioreq_server \ + xc_hvm_create_ioreq_server +#define xendevicemodel_destroy_ioreq_server \ + xc_hvm_destroy_ioreq_server +#define xendevicemodel_get_ioreq_server_info \ + xc_hvm_get_ioreq_server_info +#define xendevicemodel_set_ioreq_server_state \ + xc_hvm_set_ioreq_server_state +#define xendevicemodel_set_pci_intx_level \ + xc_hvm_set_pci_intx_level +#define xendevicemodel_set_pci_link_route \ + xc_hvm_set_pci_link_route +#define xendevicemodel_set_isa_irq_level \ + xc_hvm_set_isa_irq_level +#define xendevicemodel_inject_msi \ + xc_hvm_inject_msi +#define xendevicemodel_set_mem_type \ + xc_hvm_set_mem_type +#define xendevicemodel_track_dirty_vram \ + xc_hvm_track_dirty_vram +#define xendevicemodel_modified_memory \ + xc_hvm_modified_memory + +#else /* CONFIG_XEN_CTRL_INTERFACE_VERSION >= 490 */ + +#include + +#endif + +extern xendevicemodel_handle *xen_dmod; + static inline int xen_set_mem_type(domid_t domid, hvmmem_type_t type, uint64_t first_pfn, uint32_t nr) { - return xc_hvm_set_mem_type(xen_xc, domid, type, first_pfn, nr); + return xendevicemodel_set_mem_type(xen_dmod, domid, type, first_pfn, + nr); } static inline int xen_set_pci_intx_level(domid_t domid, uint16_t segment, uint8_t bus, uint8_t device, uint8_t intx, unsigned int level) { - return xc_hvm_set_pci_intx_level(xen_xc, domid, segment, bus, device, - intx, level); + return xendevicemodel_set_pci_intx_level(xen_dmod, domid, segment, bus, + device, intx, level); } static inline int xen_set_pci_link_route(domid_t domid, uint8_t link, uint8_t irq) { - return xc_hvm_set_pci_link_route(xen_xc, domid, link, irq); + return xendevicemodel_set_pci_link_route(xen_dmod, domid, link, irq); } static inline int xen_inject_msi(domid_t domid, uint64_t msi_addr, uint32_t msi_data) { - return xc_hvm_inject_msi(xen_xc, domid, msi_addr, msi_data); + return xendevicemodel_inject_msi(xen_dmod, domid, msi_addr, msi_data); } static inline int xen_set_isa_irq_level(domid_t domid, uint8_t irq, unsigned int level) { - return xc_hvm_set_isa_irq_level(xen_xc, domid, irq, level); + return xendevicemodel_set_isa_irq_level(xen_dmod, domid, irq, level); } static inline int xen_track_dirty_vram(domid_t domid, uint64_t first_pfn, uint32_t nr, unsigned long *bitmap) { - return xc_hvm_track_dirty_vram(xen_xc, domid, first_pfn, nr, bitmap); + return xendevicemodel_track_dirty_vram(xen_dmod, domid, first_pfn, nr, + bitmap); } static inline int xen_modified_memory(domid_t domid, uint64_t first_pfn, uint32_t nr) { - return xc_hvm_modified_memory(xen_xc, domid, first_pfn, nr); + return xendevicemodel_modified_memory(xen_dmod, domid, first_pfn, nr); } /* Xen 4.2 through 4.6 */ @@ -97,6 +145,7 @@ typedef xc_gnttab xengnttab_handle; xc_gnttab_map_domain_grant_refs(h, c, d, r, p) #define xenforeignmemory_open(l, f) xen_xc +#define xenforeignmemory_close(h) static inline void *xenforeignmemory_map(xc_interface *h, uint32_t dom, int prot, size_t pages, @@ -285,8 +334,8 @@ static inline void xen_map_memory_section(domid_t dom, } trace_xen_map_mmio_range(ioservid, start_addr, end_addr); - xc_hvm_map_io_range_to_ioreq_server(xen_xc, dom, ioservid, 1, - start_addr, end_addr); + xendevicemodel_map_io_range_to_ioreq_server(xen_dmod, dom, ioservid, 1, + start_addr, end_addr); } static inline void xen_unmap_memory_section(domid_t dom, @@ -302,8 +351,8 @@ static inline void xen_unmap_memory_section(domid_t dom, } trace_xen_unmap_mmio_range(ioservid, start_addr, end_addr); - xc_hvm_unmap_io_range_from_ioreq_server(xen_xc, dom, ioservid, - 1, start_addr, end_addr); + xendevicemodel_unmap_io_range_from_ioreq_server(xen_dmod, dom, ioservid, + 1, start_addr, end_addr); } static inline void xen_map_io_section(domid_t dom, @@ -319,8 +368,8 @@ static inline void xen_map_io_section(domid_t dom, } trace_xen_map_portio_range(ioservid, start_addr, end_addr); - xc_hvm_map_io_range_to_ioreq_server(xen_xc, dom, ioservid, 0, - start_addr, end_addr); + xendevicemodel_map_io_range_to_ioreq_server(xen_dmod, dom, ioservid, 0, + start_addr, end_addr); } static inline void xen_unmap_io_section(domid_t dom, @@ -336,8 +385,8 @@ static inline void xen_unmap_io_section(domid_t dom, } trace_xen_unmap_portio_range(ioservid, start_addr, end_addr); - xc_hvm_unmap_io_range_from_ioreq_server(xen_xc, dom, ioservid, - 0, start_addr, end_addr); + xendevicemodel_unmap_io_range_from_ioreq_server(xen_dmod, dom, ioservid, + 0, start_addr, end_addr); } static inline void xen_map_pcidev(domid_t dom, @@ -350,10 +399,10 @@ static inline void xen_map_pcidev(domid_t dom, trace_xen_map_pcidev(ioservid, pci_bus_num(pci_dev->bus), PCI_SLOT(pci_dev->devfn), PCI_FUNC(pci_dev->devfn)); - xc_hvm_map_pcidev_to_ioreq_server(xen_xc, dom, ioservid, 0, - pci_bus_num(pci_dev->bus), - PCI_SLOT(pci_dev->devfn), - PCI_FUNC(pci_dev->devfn)); + xendevicemodel_map_pcidev_to_ioreq_server(xen_dmod, dom, ioservid, 0, + pci_bus_num(pci_dev->bus), + PCI_SLOT(pci_dev->devfn), + PCI_FUNC(pci_dev->devfn)); } static inline void xen_unmap_pcidev(domid_t dom, @@ -366,18 +415,18 @@ static inline void xen_unmap_pcidev(domid_t dom, trace_xen_unmap_pcidev(ioservid, pci_bus_num(pci_dev->bus), PCI_SLOT(pci_dev->devfn), PCI_FUNC(pci_dev->devfn)); - xc_hvm_unmap_pcidev_from_ioreq_server(xen_xc, dom, ioservid, 0, - pci_bus_num(pci_dev->bus), - PCI_SLOT(pci_dev->devfn), - PCI_FUNC(pci_dev->devfn)); + xendevicemodel_unmap_pcidev_from_ioreq_server(xen_dmod, dom, ioservid, 0, + pci_bus_num(pci_dev->bus), + PCI_SLOT(pci_dev->devfn), + PCI_FUNC(pci_dev->devfn)); } static inline void xen_create_ioreq_server(domid_t dom, ioservid_t *ioservid) { - int rc = xc_hvm_create_ioreq_server(xen_xc, dom, - HVM_IOREQSRV_BUFIOREQ_ATOMIC, - ioservid); + int rc = xendevicemodel_create_ioreq_server(xen_dmod, dom, + HVM_IOREQSRV_BUFIOREQ_ATOMIC, + ioservid); if (rc == 0) { trace_xen_ioreq_server_create(*ioservid); @@ -397,7 +446,7 @@ static inline void xen_destroy_ioreq_server(domid_t dom, } trace_xen_ioreq_server_destroy(ioservid); - xc_hvm_destroy_ioreq_server(xen_xc, dom, ioservid); + xendevicemodel_destroy_ioreq_server(xen_dmod, dom, ioservid); } static inline int xen_get_ioreq_server_info(domid_t dom, @@ -412,9 +461,9 @@ static inline int xen_get_ioreq_server_info(domid_t dom, bufioreq_evtchn); } - return xc_hvm_get_ioreq_server_info(xen_xc, dom, ioservid, - ioreq_pfn, bufioreq_pfn, - bufioreq_evtchn); + return xendevicemodel_get_ioreq_server_info(xen_dmod, dom, ioservid, + ioreq_pfn, bufioreq_pfn, + bufioreq_evtchn); } static inline int xen_set_ioreq_server_state(domid_t dom, @@ -426,8 +475,8 @@ static inline int xen_set_ioreq_server_state(domid_t dom, } trace_xen_ioreq_server_state(ioservid, enable); - return xc_hvm_set_ioreq_server_state(xen_xc, dom, ioservid, - enable); + return xendevicemodel_set_ioreq_server_state(xen_dmod, dom, ioservid, + enable); } #endif diff --git a/xen-common.c b/xen-common.c index 703e7a5..ae76150 100644 --- a/xen-common.c +++ b/xen-common.c @@ -27,6 +27,7 @@ xc_interface *xen_xc; xenforeignmemory_handle *xen_fmem; +xendevicemodel_handle *xen_dmod; static int store_dev_info(int domid, Chardev *cs, const char *string) { @@ -128,6 +129,13 @@ static int xen_init(MachineState *ms) xc_interface_close(xen_xc); return -1; } + xen_dmod = xendevicemodel_open(0, 0); + if (xen_dmod == NULL) { + xen_pv_printf(NULL, 0, "can't open xen devicemodel interface\n"); + xenforeignmemory_close(xen_fmem); + xc_interface_close(xen_xc); + return -1; + } qemu_add_vm_change_state_handler(xen_change_state_handler, NULL); global_state_set_optional();