From: Ian Campbell <ian.campbell@citrix.com> To: ian.jackson@eu.citrix.com, wei.liu2@citrix.com, xen-devel@lists.xen.org Cc: Ian Campbell <ian.campbell@citrix.com>, qemu-devel@nongnu.org, stefano.stabellini@eu.citrix.com Subject: [Qemu-devel] [PATCH QEMU-XEN v8 2/8] xen: Switch to libxenevtchn interface for compat shims. Date: Fri, 15 Jan 2016 13:23:38 +0000 [thread overview] Message-ID: <1452864224-2554-3-git-send-email-ian.campbell@citrix.com> (raw) In-Reply-To: <1452864224-2554-1-git-send-email-ian.campbell@citrix.com> In Xen 4.7 we are refactoring parts libxenctrl into a number of separate libraries which will provide backward and forward API and ABI compatiblity. One such library will be libxenevtchn which provides access to event channels. In preparation for this switch the compatibility layer in xen_common.h (which support building with older versions of Xen) to use what will be the new library API. This means that the evtchn shim will disappear for versions of Xen which include libxenevtchn. To simplify things for the <= 4.0.0 support we wrap the int fd in a malloc(sizeof int) such that the handle is always a pointer. This leads to less typedef headaches and the need for XC_HANDLER_INITIAL_VALUE etc for these interfaces. Note that this patch does not add any support for actually using libxenevtchn, it just adjusts the existing shims. Note that xc_evtchn_alloc_unbound functionality remains in libxenctrl, since that functionality is not exposed by /dev/xen/evtchn. Signed-off-by: Ian Campbell <ian.campbell@citrix.com> Reviewed-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> --- v4: Ran checkpatch, fixed all errors Allocate correct size for handle (i.e. not size of the ptr) --- hw/xen/xen_backend.c | 31 ++++++++++++++++--------------- include/hw/xen/xen_backend.h | 2 +- include/hw/xen/xen_common.h | 44 ++++++++++++++++++++++++++++++++++---------- xen-hvm.c | 25 +++++++++++++------------ 4 files changed, 64 insertions(+), 38 deletions(-) diff --git a/hw/xen/xen_backend.c b/hw/xen/xen_backend.c index 2510e2e..ae2a1f0 100644 --- a/hw/xen/xen_backend.c +++ b/hw/xen/xen_backend.c @@ -243,19 +243,19 @@ static struct XenDevice *xen_be_get_xendev(const char *type, int dom, int dev, xendev->debug = debug; xendev->local_port = -1; - xendev->evtchndev = xen_xc_evtchn_open(NULL, 0); - if (xendev->evtchndev == XC_HANDLER_INITIAL_VALUE) { + xendev->evtchndev = xenevtchn_open(NULL, 0); + if (xendev->evtchndev == NULL) { xen_be_printf(NULL, 0, "can't open evtchn device\n"); g_free(xendev); return NULL; } - fcntl(xc_evtchn_fd(xendev->evtchndev), F_SETFD, FD_CLOEXEC); + fcntl(xenevtchn_fd(xendev->evtchndev), F_SETFD, FD_CLOEXEC); if (ops->flags & DEVOPS_FLAG_NEED_GNTDEV) { xendev->gnttabdev = xen_xc_gnttab_open(NULL, 0); if (xendev->gnttabdev == XC_HANDLER_INITIAL_VALUE) { xen_be_printf(NULL, 0, "can't open gnttab device\n"); - xc_evtchn_close(xendev->evtchndev); + xenevtchn_close(xendev->evtchndev); g_free(xendev); return NULL; } @@ -306,8 +306,8 @@ static struct XenDevice *xen_be_del_xendev(int dom, int dev) g_free(xendev->fe); } - if (xendev->evtchndev != XC_HANDLER_INITIAL_VALUE) { - xc_evtchn_close(xendev->evtchndev); + if (xendev->evtchndev != NULL) { + xenevtchn_close(xendev->evtchndev); } if (xendev->gnttabdev != XC_HANDLER_INITIAL_VALUE) { xc_gnttab_close(xendev->gnttabdev); @@ -691,13 +691,14 @@ static void xen_be_evtchn_event(void *opaque) struct XenDevice *xendev = opaque; evtchn_port_t port; - port = xc_evtchn_pending(xendev->evtchndev); + port = xenevtchn_pending(xendev->evtchndev); if (port != xendev->local_port) { - xen_be_printf(xendev, 0, "xc_evtchn_pending returned %d (expected %d)\n", + xen_be_printf(xendev, 0, + "xenevtchn_pending returned %d (expected %d)\n", port, xendev->local_port); return; } - xc_evtchn_unmask(xendev->evtchndev, port); + xenevtchn_unmask(xendev->evtchndev, port); if (xendev->ops->event) { xendev->ops->event(xendev); @@ -740,14 +741,14 @@ int xen_be_bind_evtchn(struct XenDevice *xendev) if (xendev->local_port != -1) { return 0; } - xendev->local_port = xc_evtchn_bind_interdomain + xendev->local_port = xenevtchn_bind_interdomain (xendev->evtchndev, xendev->dom, xendev->remote_port); if (xendev->local_port == -1) { - xen_be_printf(xendev, 0, "xc_evtchn_bind_interdomain failed\n"); + xen_be_printf(xendev, 0, "xenevtchn_bind_interdomain failed\n"); return -1; } xen_be_printf(xendev, 2, "bind evtchn port %d\n", xendev->local_port); - qemu_set_fd_handler(xc_evtchn_fd(xendev->evtchndev), + qemu_set_fd_handler(xenevtchn_fd(xendev->evtchndev), xen_be_evtchn_event, NULL, xendev); return 0; } @@ -757,15 +758,15 @@ void xen_be_unbind_evtchn(struct XenDevice *xendev) if (xendev->local_port == -1) { return; } - qemu_set_fd_handler(xc_evtchn_fd(xendev->evtchndev), NULL, NULL, NULL); - xc_evtchn_unbind(xendev->evtchndev, xendev->local_port); + qemu_set_fd_handler(xenevtchn_fd(xendev->evtchndev), NULL, NULL, NULL); + xenevtchn_unbind(xendev->evtchndev, xendev->local_port); xen_be_printf(xendev, 2, "unbind evtchn port %d\n", xendev->local_port); xendev->local_port = -1; } int xen_be_send_notify(struct XenDevice *xendev) { - return xc_evtchn_notify(xendev->evtchndev, xendev->local_port); + return xenevtchn_notify(xendev->evtchndev, xendev->local_port); } /* diff --git a/include/hw/xen/xen_backend.h b/include/hw/xen/xen_backend.h index 3b4125e..a90314f 100644 --- a/include/hw/xen/xen_backend.h +++ b/include/hw/xen/xen_backend.h @@ -46,7 +46,7 @@ struct XenDevice { int remote_port; int local_port; - XenEvtchn evtchndev; + xenevtchn_handle *evtchndev; XenGnttab gnttabdev; struct XenDevOps *ops; diff --git a/include/hw/xen/xen_common.h b/include/hw/xen/xen_common.h index 4ac0c6f..5c51b44 100644 --- a/include/hw/xen/xen_common.h +++ b/include/hw/xen/xen_common.h @@ -39,17 +39,38 @@ static inline void *xc_map_foreign_bulk(int xc_handle, uint32_t dom, int prot, #if CONFIG_XEN_CTRL_INTERFACE_VERSION < 410 typedef int XenXC; -typedef int XenEvtchn; +typedef int xenevtchn_handle; typedef int XenGnttab; # define XC_INTERFACE_FMT "%i" # define XC_HANDLER_INITIAL_VALUE -1 -static inline XenEvtchn xen_xc_evtchn_open(void *logger, - unsigned int open_flags) +static inline xenevtchn_handle *xenevtchn_open(void *logger, + unsigned int open_flags) { - return xc_evtchn_open(); + xenevtchn_handle *h = malloc(sizeof(*h)); + if (!h) { + return NULL; + } + *h = xc_evtchn_open(); + if (*h == -1) { + free(h); + h = NULL; + } + return h; } +static inline int xenevtchn_close(xenevtchn_handle *h) +{ + int rc = xc_evtchn_close(*h); + free(h); + return rc; +} +#define xenevtchn_fd(h) xc_evtchn_fd(*h) +#define xenevtchn_pending(h) xc_evtchn_pending(*h) +#define xenevtchn_notify(h, p) xc_evtchn_notify(*h, p) +#define xenevtchn_bind_interdomain(h, d, p) xc_evtchn_bind_interdomain(*h, d, p) +#define xenevtchn_unmask(h, p) xc_evtchn_unmask(*h, p) +#define xenevtchn_unbind(h, p) xc_evtchn_unmask(*h, p) static inline XenGnttab xen_xc_gnttab_open(void *logger, unsigned int open_flags) @@ -108,17 +129,20 @@ static inline void xs_close(struct xs_handle *xsh) #else typedef xc_interface *XenXC; -typedef xc_evtchn *XenEvtchn; +typedef xc_evtchn xenevtchn_handle; typedef xc_gnttab *XenGnttab; # define XC_INTERFACE_FMT "%p" # define XC_HANDLER_INITIAL_VALUE NULL -static inline XenEvtchn xen_xc_evtchn_open(void *logger, - unsigned int open_flags) -{ - return xc_evtchn_open(logger, open_flags); -} +#define xenevtchn_open(l, f) xc_evtchn_open(l, f); +#define xenevtchn_close(h) xc_evtchn_close(h) +#define xenevtchn_fd(h) xc_evtchn_fd(h) +#define xenevtchn_pending(h) xc_evtchn_pending(h) +#define xenevtchn_notify(h, p) xc_evtchn_notify(h, p) +#define xenevtchn_bind_interdomain(h, d, p) xc_evtchn_bind_interdomain(h, d, p) +#define xenevtchn_unmask(h, p) xc_evtchn_unmask(h, p) +#define xenevtchn_unbind(h, p) xc_evtchn_unbind(h, p) static inline XenGnttab xen_xc_gnttab_open(void *logger, unsigned int open_flags) diff --git a/xen-hvm.c b/xen-hvm.c index 2a93390..6227e17 100644 --- a/xen-hvm.c +++ b/xen-hvm.c @@ -109,7 +109,7 @@ typedef struct XenIOState { /* evtchn local port for buffered io */ evtchn_port_t bufioreq_local_port; /* the evtchn fd for polling */ - XenEvtchn xce_handle; + xenevtchn_handle *xce_handle; /* which vcpu we are serving */ int send_vcpu; @@ -715,7 +715,7 @@ static ioreq_t *cpu_get_ioreq(XenIOState *state) int i; evtchn_port_t port; - port = xc_evtchn_pending(state->xce_handle); + port = xenevtchn_pending(state->xce_handle); if (port == state->bufioreq_local_port) { timer_mod(state->buffered_io_timer, BUFFER_IO_MAX_DELAY + qemu_clock_get_ms(QEMU_CLOCK_REALTIME)); @@ -734,7 +734,7 @@ static ioreq_t *cpu_get_ioreq(XenIOState *state) } /* unmask the wanted port again */ - xc_evtchn_unmask(state->xce_handle, port); + xenevtchn_unmask(state->xce_handle, port); /* get the io packet from shared memory */ state->send_vcpu = i; @@ -1041,7 +1041,7 @@ static void handle_buffered_io(void *opaque) BUFFER_IO_MAX_DELAY + qemu_clock_get_ms(QEMU_CLOCK_REALTIME)); } else { timer_del(state->buffered_io_timer); - xc_evtchn_unmask(state->xce_handle, state->bufioreq_local_port); + xenevtchn_unmask(state->xce_handle, state->bufioreq_local_port); } } @@ -1085,7 +1085,8 @@ static void cpu_handle_ioreq(void *opaque) } req->state = STATE_IORESP_READY; - xc_evtchn_notify(state->xce_handle, state->ioreq_local_port[state->send_vcpu]); + xenevtchn_notify(state->xce_handle, + state->ioreq_local_port[state->send_vcpu]); } } @@ -1093,8 +1094,8 @@ static void xen_main_loop_prepare(XenIOState *state) { int evtchn_fd = -1; - if (state->xce_handle != XC_HANDLER_INITIAL_VALUE) { - evtchn_fd = xc_evtchn_fd(state->xce_handle); + if (state->xce_handle != NULL) { + evtchn_fd = xenevtchn_fd(state->xce_handle); } state->buffered_io_timer = timer_new_ms(QEMU_CLOCK_REALTIME, handle_buffered_io, @@ -1132,7 +1133,7 @@ static void xen_exit_notifier(Notifier *n, void *data) { XenIOState *state = container_of(n, XenIOState, exit); - xc_evtchn_close(state->xce_handle); + xenevtchn_close(state->xce_handle); xs_daemon_close(state->xenstore); } @@ -1207,8 +1208,8 @@ int xen_hvm_init(PCMachineState *pcms, state = g_malloc0(sizeof (XenIOState)); - state->xce_handle = xen_xc_evtchn_open(NULL, 0); - if (state->xce_handle == XC_HANDLER_INITIAL_VALUE) { + state->xce_handle = xenevtchn_open(NULL, 0); + if (state->xce_handle == NULL) { perror("xen: event channel open"); return -1; } @@ -1288,7 +1289,7 @@ int xen_hvm_init(PCMachineState *pcms, /* FIXME: how about if we overflow the page here? */ for (i = 0; i < max_cpus; i++) { - rc = xc_evtchn_bind_interdomain(state->xce_handle, xen_domid, + rc = xenevtchn_bind_interdomain(state->xce_handle, xen_domid, xen_vcpu_eport(state->shared_page, i)); if (rc == -1) { fprintf(stderr, "shared evtchn %d bind error %d\n", i, errno); @@ -1297,7 +1298,7 @@ int xen_hvm_init(PCMachineState *pcms, state->ioreq_local_port[i] = rc; } - rc = xc_evtchn_bind_interdomain(state->xce_handle, xen_domid, + rc = xenevtchn_bind_interdomain(state->xce_handle, xen_domid, bufioreq_evtchn); if (rc == -1) { fprintf(stderr, "buffered evtchn bind error %d\n", errno); -- 2.1.4
WARNING: multiple messages have this Message-ID (diff)
From: Ian Campbell <ian.campbell@citrix.com> To: ian.jackson@eu.citrix.com, wei.liu2@citrix.com, xen-devel@lists.xen.org Cc: Ian Campbell <ian.campbell@citrix.com>, qemu-devel@nongnu.org, stefano.stabellini@eu.citrix.com Subject: [PATCH QEMU-XEN v8 2/8] xen: Switch to libxenevtchn interface for compat shims. Date: Fri, 15 Jan 2016 13:23:38 +0000 [thread overview] Message-ID: <1452864224-2554-3-git-send-email-ian.campbell@citrix.com> (raw) In-Reply-To: <1452864224-2554-1-git-send-email-ian.campbell@citrix.com> In Xen 4.7 we are refactoring parts libxenctrl into a number of separate libraries which will provide backward and forward API and ABI compatiblity. One such library will be libxenevtchn which provides access to event channels. In preparation for this switch the compatibility layer in xen_common.h (which support building with older versions of Xen) to use what will be the new library API. This means that the evtchn shim will disappear for versions of Xen which include libxenevtchn. To simplify things for the <= 4.0.0 support we wrap the int fd in a malloc(sizeof int) such that the handle is always a pointer. This leads to less typedef headaches and the need for XC_HANDLER_INITIAL_VALUE etc for these interfaces. Note that this patch does not add any support for actually using libxenevtchn, it just adjusts the existing shims. Note that xc_evtchn_alloc_unbound functionality remains in libxenctrl, since that functionality is not exposed by /dev/xen/evtchn. Signed-off-by: Ian Campbell <ian.campbell@citrix.com> Reviewed-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> --- v4: Ran checkpatch, fixed all errors Allocate correct size for handle (i.e. not size of the ptr) --- hw/xen/xen_backend.c | 31 ++++++++++++++++--------------- include/hw/xen/xen_backend.h | 2 +- include/hw/xen/xen_common.h | 44 ++++++++++++++++++++++++++++++++++---------- xen-hvm.c | 25 +++++++++++++------------ 4 files changed, 64 insertions(+), 38 deletions(-) diff --git a/hw/xen/xen_backend.c b/hw/xen/xen_backend.c index 2510e2e..ae2a1f0 100644 --- a/hw/xen/xen_backend.c +++ b/hw/xen/xen_backend.c @@ -243,19 +243,19 @@ static struct XenDevice *xen_be_get_xendev(const char *type, int dom, int dev, xendev->debug = debug; xendev->local_port = -1; - xendev->evtchndev = xen_xc_evtchn_open(NULL, 0); - if (xendev->evtchndev == XC_HANDLER_INITIAL_VALUE) { + xendev->evtchndev = xenevtchn_open(NULL, 0); + if (xendev->evtchndev == NULL) { xen_be_printf(NULL, 0, "can't open evtchn device\n"); g_free(xendev); return NULL; } - fcntl(xc_evtchn_fd(xendev->evtchndev), F_SETFD, FD_CLOEXEC); + fcntl(xenevtchn_fd(xendev->evtchndev), F_SETFD, FD_CLOEXEC); if (ops->flags & DEVOPS_FLAG_NEED_GNTDEV) { xendev->gnttabdev = xen_xc_gnttab_open(NULL, 0); if (xendev->gnttabdev == XC_HANDLER_INITIAL_VALUE) { xen_be_printf(NULL, 0, "can't open gnttab device\n"); - xc_evtchn_close(xendev->evtchndev); + xenevtchn_close(xendev->evtchndev); g_free(xendev); return NULL; } @@ -306,8 +306,8 @@ static struct XenDevice *xen_be_del_xendev(int dom, int dev) g_free(xendev->fe); } - if (xendev->evtchndev != XC_HANDLER_INITIAL_VALUE) { - xc_evtchn_close(xendev->evtchndev); + if (xendev->evtchndev != NULL) { + xenevtchn_close(xendev->evtchndev); } if (xendev->gnttabdev != XC_HANDLER_INITIAL_VALUE) { xc_gnttab_close(xendev->gnttabdev); @@ -691,13 +691,14 @@ static void xen_be_evtchn_event(void *opaque) struct XenDevice *xendev = opaque; evtchn_port_t port; - port = xc_evtchn_pending(xendev->evtchndev); + port = xenevtchn_pending(xendev->evtchndev); if (port != xendev->local_port) { - xen_be_printf(xendev, 0, "xc_evtchn_pending returned %d (expected %d)\n", + xen_be_printf(xendev, 0, + "xenevtchn_pending returned %d (expected %d)\n", port, xendev->local_port); return; } - xc_evtchn_unmask(xendev->evtchndev, port); + xenevtchn_unmask(xendev->evtchndev, port); if (xendev->ops->event) { xendev->ops->event(xendev); @@ -740,14 +741,14 @@ int xen_be_bind_evtchn(struct XenDevice *xendev) if (xendev->local_port != -1) { return 0; } - xendev->local_port = xc_evtchn_bind_interdomain + xendev->local_port = xenevtchn_bind_interdomain (xendev->evtchndev, xendev->dom, xendev->remote_port); if (xendev->local_port == -1) { - xen_be_printf(xendev, 0, "xc_evtchn_bind_interdomain failed\n"); + xen_be_printf(xendev, 0, "xenevtchn_bind_interdomain failed\n"); return -1; } xen_be_printf(xendev, 2, "bind evtchn port %d\n", xendev->local_port); - qemu_set_fd_handler(xc_evtchn_fd(xendev->evtchndev), + qemu_set_fd_handler(xenevtchn_fd(xendev->evtchndev), xen_be_evtchn_event, NULL, xendev); return 0; } @@ -757,15 +758,15 @@ void xen_be_unbind_evtchn(struct XenDevice *xendev) if (xendev->local_port == -1) { return; } - qemu_set_fd_handler(xc_evtchn_fd(xendev->evtchndev), NULL, NULL, NULL); - xc_evtchn_unbind(xendev->evtchndev, xendev->local_port); + qemu_set_fd_handler(xenevtchn_fd(xendev->evtchndev), NULL, NULL, NULL); + xenevtchn_unbind(xendev->evtchndev, xendev->local_port); xen_be_printf(xendev, 2, "unbind evtchn port %d\n", xendev->local_port); xendev->local_port = -1; } int xen_be_send_notify(struct XenDevice *xendev) { - return xc_evtchn_notify(xendev->evtchndev, xendev->local_port); + return xenevtchn_notify(xendev->evtchndev, xendev->local_port); } /* diff --git a/include/hw/xen/xen_backend.h b/include/hw/xen/xen_backend.h index 3b4125e..a90314f 100644 --- a/include/hw/xen/xen_backend.h +++ b/include/hw/xen/xen_backend.h @@ -46,7 +46,7 @@ struct XenDevice { int remote_port; int local_port; - XenEvtchn evtchndev; + xenevtchn_handle *evtchndev; XenGnttab gnttabdev; struct XenDevOps *ops; diff --git a/include/hw/xen/xen_common.h b/include/hw/xen/xen_common.h index 4ac0c6f..5c51b44 100644 --- a/include/hw/xen/xen_common.h +++ b/include/hw/xen/xen_common.h @@ -39,17 +39,38 @@ static inline void *xc_map_foreign_bulk(int xc_handle, uint32_t dom, int prot, #if CONFIG_XEN_CTRL_INTERFACE_VERSION < 410 typedef int XenXC; -typedef int XenEvtchn; +typedef int xenevtchn_handle; typedef int XenGnttab; # define XC_INTERFACE_FMT "%i" # define XC_HANDLER_INITIAL_VALUE -1 -static inline XenEvtchn xen_xc_evtchn_open(void *logger, - unsigned int open_flags) +static inline xenevtchn_handle *xenevtchn_open(void *logger, + unsigned int open_flags) { - return xc_evtchn_open(); + xenevtchn_handle *h = malloc(sizeof(*h)); + if (!h) { + return NULL; + } + *h = xc_evtchn_open(); + if (*h == -1) { + free(h); + h = NULL; + } + return h; } +static inline int xenevtchn_close(xenevtchn_handle *h) +{ + int rc = xc_evtchn_close(*h); + free(h); + return rc; +} +#define xenevtchn_fd(h) xc_evtchn_fd(*h) +#define xenevtchn_pending(h) xc_evtchn_pending(*h) +#define xenevtchn_notify(h, p) xc_evtchn_notify(*h, p) +#define xenevtchn_bind_interdomain(h, d, p) xc_evtchn_bind_interdomain(*h, d, p) +#define xenevtchn_unmask(h, p) xc_evtchn_unmask(*h, p) +#define xenevtchn_unbind(h, p) xc_evtchn_unmask(*h, p) static inline XenGnttab xen_xc_gnttab_open(void *logger, unsigned int open_flags) @@ -108,17 +129,20 @@ static inline void xs_close(struct xs_handle *xsh) #else typedef xc_interface *XenXC; -typedef xc_evtchn *XenEvtchn; +typedef xc_evtchn xenevtchn_handle; typedef xc_gnttab *XenGnttab; # define XC_INTERFACE_FMT "%p" # define XC_HANDLER_INITIAL_VALUE NULL -static inline XenEvtchn xen_xc_evtchn_open(void *logger, - unsigned int open_flags) -{ - return xc_evtchn_open(logger, open_flags); -} +#define xenevtchn_open(l, f) xc_evtchn_open(l, f); +#define xenevtchn_close(h) xc_evtchn_close(h) +#define xenevtchn_fd(h) xc_evtchn_fd(h) +#define xenevtchn_pending(h) xc_evtchn_pending(h) +#define xenevtchn_notify(h, p) xc_evtchn_notify(h, p) +#define xenevtchn_bind_interdomain(h, d, p) xc_evtchn_bind_interdomain(h, d, p) +#define xenevtchn_unmask(h, p) xc_evtchn_unmask(h, p) +#define xenevtchn_unbind(h, p) xc_evtchn_unbind(h, p) static inline XenGnttab xen_xc_gnttab_open(void *logger, unsigned int open_flags) diff --git a/xen-hvm.c b/xen-hvm.c index 2a93390..6227e17 100644 --- a/xen-hvm.c +++ b/xen-hvm.c @@ -109,7 +109,7 @@ typedef struct XenIOState { /* evtchn local port for buffered io */ evtchn_port_t bufioreq_local_port; /* the evtchn fd for polling */ - XenEvtchn xce_handle; + xenevtchn_handle *xce_handle; /* which vcpu we are serving */ int send_vcpu; @@ -715,7 +715,7 @@ static ioreq_t *cpu_get_ioreq(XenIOState *state) int i; evtchn_port_t port; - port = xc_evtchn_pending(state->xce_handle); + port = xenevtchn_pending(state->xce_handle); if (port == state->bufioreq_local_port) { timer_mod(state->buffered_io_timer, BUFFER_IO_MAX_DELAY + qemu_clock_get_ms(QEMU_CLOCK_REALTIME)); @@ -734,7 +734,7 @@ static ioreq_t *cpu_get_ioreq(XenIOState *state) } /* unmask the wanted port again */ - xc_evtchn_unmask(state->xce_handle, port); + xenevtchn_unmask(state->xce_handle, port); /* get the io packet from shared memory */ state->send_vcpu = i; @@ -1041,7 +1041,7 @@ static void handle_buffered_io(void *opaque) BUFFER_IO_MAX_DELAY + qemu_clock_get_ms(QEMU_CLOCK_REALTIME)); } else { timer_del(state->buffered_io_timer); - xc_evtchn_unmask(state->xce_handle, state->bufioreq_local_port); + xenevtchn_unmask(state->xce_handle, state->bufioreq_local_port); } } @@ -1085,7 +1085,8 @@ static void cpu_handle_ioreq(void *opaque) } req->state = STATE_IORESP_READY; - xc_evtchn_notify(state->xce_handle, state->ioreq_local_port[state->send_vcpu]); + xenevtchn_notify(state->xce_handle, + state->ioreq_local_port[state->send_vcpu]); } } @@ -1093,8 +1094,8 @@ static void xen_main_loop_prepare(XenIOState *state) { int evtchn_fd = -1; - if (state->xce_handle != XC_HANDLER_INITIAL_VALUE) { - evtchn_fd = xc_evtchn_fd(state->xce_handle); + if (state->xce_handle != NULL) { + evtchn_fd = xenevtchn_fd(state->xce_handle); } state->buffered_io_timer = timer_new_ms(QEMU_CLOCK_REALTIME, handle_buffered_io, @@ -1132,7 +1133,7 @@ static void xen_exit_notifier(Notifier *n, void *data) { XenIOState *state = container_of(n, XenIOState, exit); - xc_evtchn_close(state->xce_handle); + xenevtchn_close(state->xce_handle); xs_daemon_close(state->xenstore); } @@ -1207,8 +1208,8 @@ int xen_hvm_init(PCMachineState *pcms, state = g_malloc0(sizeof (XenIOState)); - state->xce_handle = xen_xc_evtchn_open(NULL, 0); - if (state->xce_handle == XC_HANDLER_INITIAL_VALUE) { + state->xce_handle = xenevtchn_open(NULL, 0); + if (state->xce_handle == NULL) { perror("xen: event channel open"); return -1; } @@ -1288,7 +1289,7 @@ int xen_hvm_init(PCMachineState *pcms, /* FIXME: how about if we overflow the page here? */ for (i = 0; i < max_cpus; i++) { - rc = xc_evtchn_bind_interdomain(state->xce_handle, xen_domid, + rc = xenevtchn_bind_interdomain(state->xce_handle, xen_domid, xen_vcpu_eport(state->shared_page, i)); if (rc == -1) { fprintf(stderr, "shared evtchn %d bind error %d\n", i, errno); @@ -1297,7 +1298,7 @@ int xen_hvm_init(PCMachineState *pcms, state->ioreq_local_port[i] = rc; } - rc = xc_evtchn_bind_interdomain(state->xce_handle, xen_domid, + rc = xenevtchn_bind_interdomain(state->xce_handle, xen_domid, bufioreq_evtchn); if (rc == -1) { fprintf(stderr, "buffered evtchn bind error %d\n", errno); -- 2.1.4
next prev parent reply other threads:[~2016-01-15 13:23 UTC|newest] Thread overview: 112+ messages / expand[flat|nested] mbox.gz Atom feed top 2016-01-15 13:22 [Qemu-devel] [Minios-devel] [PATCH v8 0/<VARIOUS>] Begin to disentangle libxenctrl and provide some stable libraries Ian Campbell 2016-01-15 13:22 ` [PATCH XEN v8 00/29] " Ian Campbell 2016-01-15 13:22 ` [PATCH XEN v8 01/29] tools/libxc: Remove osdep indirection for xc_evtchn Ian Campbell 2016-01-15 13:22 ` [PATCH XEN v8 02/29] tools: Refactor /dev/xen/evtchn wrappers into libxenevtchn Ian Campbell 2016-01-22 11:48 ` Ian Campbell 2016-01-22 17:12 ` Boris Ostrovsky 2016-01-25 9:48 ` Ian Campbell 2016-01-25 14:35 ` Ian Jackson 2016-01-25 14:39 ` Boris Ostrovsky 2016-01-25 14:47 ` Ian Campbell 2016-01-25 14:49 ` Andrew Cooper 2016-01-25 15:28 ` Ian Campbell 2016-01-15 13:22 ` [PATCH XEN v8 03/29] tools: Arrange to check public headers for ANSI compatiblity Ian Campbell 2016-01-15 13:22 ` [PATCH XEN v8 04/29] tools/libxc: Remove osdep indirection for xc_gnt{shr, tab} Ian Campbell 2016-01-15 13:22 ` [PATCH XEN v8 05/29] tools: Refactor /dev/xen/gnt{dev, shr} wrappers into libxengnttab Ian Campbell 2016-01-15 13:22 ` [PATCH XEN v8 06/29] tools/libxc: Remove osdep indirection for privcmd Ian Campbell 2016-01-15 13:22 ` [PATCH XEN v8 07/29] tools: Refactor hypercall calling wrappers into libxencall Ian Campbell 2016-01-15 13:22 ` [PATCH XEN v8 08/29] tools/libxc: drop xc_map_foreign_bulk_compat wrappers Ian Campbell 2016-01-15 13:22 ` [PATCH XEN v8 09/29] tools: Remove xc_map_foreign_batch Ian Campbell 2016-01-15 13:22 ` [PATCH XEN v8 10/29] tools: Implement xc_map_foreign_range(s) in terms of common helper Ian Campbell 2016-01-15 13:22 ` [PATCH XEN v8 11/29] tools: Refactor foreign memory mapping into libxenforeignmemory Ian Campbell 2016-01-25 12:01 ` Olaf Hering 2016-01-25 12:31 ` Ian Campbell 2016-01-25 12:44 ` Ian Campbell 2016-01-25 12:45 ` [PATCH] kdd: Opt in to libxc compat xc_map_foreign_* intefaces Ian Campbell 2016-01-25 13:25 ` Tim Deegan 2016-01-25 14:22 ` Ian Campbell 2016-01-25 14:00 ` Olaf Hering 2016-01-25 13:18 ` [PATCH] kdd: build using Werror Ian Campbell 2016-01-25 13:20 ` Olaf Hering 2016-01-25 13:24 ` Ian Campbell 2016-01-25 13:25 ` Tim Deegan 2016-01-25 14:22 ` Ian Campbell 2016-01-25 14:37 ` Olaf Hering 2016-01-15 13:22 ` [PATCH XEN v8 12/29] tools/libs/foreignmemory: provide xenforeignmemory_unmap Ian Campbell 2016-01-15 13:22 ` [PATCH XEN v8 13/29] tools/libs/foreignmemory: use size_t for size arguments Ian Campbell 2016-01-15 13:22 ` [PATCH XEN v8 14/29] tools/libs/foreignmemory: Mention restrictions on fork in docs Ian Campbell 2016-01-19 13:24 ` Wei Liu 2016-01-19 13:34 ` Ian Campbell 2016-01-19 14:25 ` Wei Liu 2016-01-15 13:22 ` [PATCH XEN v8 15/29] tools/libs/foreignmemory: Support err == NULL to map Ian Campbell 2016-01-15 13:22 ` [PATCH XEN v8 16/29] tools/libs/foreignmemory: pull array length argument to map forward Ian Campbell 2016-01-15 13:22 ` [PATCH XEN v8 17/29] tools/libs/evtchn: Review and update doc comments Ian Campbell 2016-01-15 13:22 ` [PATCH XEN v8 18/29] tools/libs/evtchn: Use uint32_t for domid arguments Ian Campbell 2016-01-19 13:24 ` Wei Liu 2016-01-15 13:22 ` [PATCH XEN v8 19/29] tools/libs: Clean up hard tabs Ian Campbell 2016-01-15 13:22 ` [PATCH XEN v8 20/29] tools/libs/gnttab: Extensive updates to API documentation Ian Campbell 2016-01-19 13:24 ` Wei Liu 2016-01-15 13:23 ` [PATCH XEN v8 21/29] tools/libs/call: Update some log messages to not refer to xc Ian Campbell 2016-01-15 13:23 ` [PATCH XEN v8 22/29] tools/libs/call: Describe return values and error semantics for xencall* Ian Campbell 2016-01-15 13:23 ` [PATCH XEN v8 23/29] tools/libs/call: Avoid xc_memalign in netbsd and solaris backends Ian Campbell 2016-01-15 13:23 ` [PATCH XEN v8 24/29] tools/libs/call: linux: touch newly allocated pages after madvise lockdown Ian Campbell 2016-01-19 13:24 ` Wei Liu 2016-01-19 13:40 ` Ian Campbell 2016-01-19 14:26 ` Wei Liu 2016-01-19 14:54 ` Roger Pau Monné 2016-01-19 14:58 ` Wei Liu 2016-01-19 15:03 ` Ian Campbell 2016-01-19 15:49 ` Wei Liu 2016-01-19 15:59 ` Ian Campbell 2016-01-15 13:23 ` [PATCH XEN v8 25/29] tools/libs/{call, evtchn}: Document requirements around forking Ian Campbell 2016-01-19 13:24 ` Wei Liu 2016-01-15 13:23 ` [PATCH XEN v8 26/29] tools/libs/*: Use O_CLOEXEC on Linux and FreeBSD Ian Campbell 2016-01-19 13:24 ` Wei Liu 2016-01-15 13:23 ` [PATCH XEN v8 27/29] tools: Update CFLAGS for qemu-xen to allow it to use new libraries Ian Campbell 2016-01-15 13:23 ` [PATCH XEN v8 28/29] tools/libs/*: Introduce APIs to restrict handles to a specific domain Ian Campbell 2016-01-19 13:24 ` Wei Liu 2016-01-19 13:44 ` Ian Campbell 2016-01-19 14:30 ` Wei Liu 2016-01-15 13:23 ` [PATCH XEN v8 29/29] HACK: Update Config.mk to pull all the right bits from my xenbits trees Ian Campbell 2016-01-15 13:23 ` [PATCH QEMU-XEN v8 0/8] Begin to disentangle libxenctrl and provide some stable libraries Ian Campbell 2016-01-15 13:23 ` [Qemu-devel] " Ian Campbell 2016-01-15 13:23 ` [Qemu-devel] [PATCH QEMU-XEN v8 1/8] xen_console: correctly cleanup primary console on teardown Ian Campbell 2016-01-15 13:23 ` Ian Campbell 2016-01-15 13:23 ` Ian Campbell [this message] 2016-01-15 13:23 ` [PATCH QEMU-XEN v8 2/8] xen: Switch to libxenevtchn interface for compat shims Ian Campbell 2016-01-15 13:23 ` [Qemu-devel] [PATCH QEMU-XEN v8 3/8] xen: Switch to libxengnttab " Ian Campbell 2016-01-15 13:23 ` Ian Campbell 2016-01-15 13:23 ` [Qemu-devel] [PATCH QEMU-XEN v8 4/8] xen: Switch uses of xc_map_foreign_range into xc_map_foreign_pages Ian Campbell 2016-01-15 13:23 ` Ian Campbell 2016-01-15 13:23 ` [Qemu-devel] [PATCH QEMU-XEN v8 5/8] xen: Switch uses of xc_map_foreign_{pages, bulk} to use libxenforeignmemory API Ian Campbell 2016-01-15 13:23 ` Ian Campbell 2016-01-15 14:43 ` [Qemu-devel] " Stefano Stabellini 2016-01-15 14:43 ` Stefano Stabellini 2016-01-15 13:23 ` [Qemu-devel] [PATCH QEMU-XEN v8 6/8] xen: Use stable library interfaces when they are available Ian Campbell 2016-01-15 13:23 ` Ian Campbell 2016-01-15 14:43 ` [Qemu-devel] " Stefano Stabellini 2016-01-15 14:43 ` Stefano Stabellini 2016-01-15 13:23 ` [Qemu-devel] [PATCH QEMU-XEN v8 7/8] xen: domainbuild: reopen libxenctrl interface after forking for domain watcher Ian Campbell 2016-01-15 13:23 ` Ian Campbell 2016-01-15 13:23 ` [Qemu-devel] [PATCH QEMU-XEN v8 8/8] xen: make it possible to build without the Xen PV domain builder Ian Campbell 2016-01-15 13:23 ` Ian Campbell 2016-01-15 14:44 ` [Qemu-devel] [PATCH QEMU-XEN v8 0/8] Begin to disentangle libxenctrl and provide some stable libraries Stefano Stabellini 2016-01-15 15:08 ` Ian Campbell 2016-01-15 15:08 ` [Qemu-devel] " Ian Campbell 2016-01-15 14:44 ` Stefano Stabellini 2016-01-15 13:23 ` [PATCH QEMU-XEN-TRADITIONAL v8 0/4] " Ian Campbell 2016-01-15 13:23 ` [PATCH QEMU-XEN-TRADITIONAL v8 1/4] qemu-xen-traditional: Use libxenevtchn Ian Campbell 2016-01-15 13:23 ` [PATCH QEMU-XEN-TRADITIONAL v8 2/4] qemu-xen-traditional: Use libxengnttab Ian Campbell 2016-01-15 13:23 ` [PATCH QEMU-XEN-TRADITIONAL v8 3/4] qemu-xen-traditional: Add libxencall to rpath-link Ian Campbell 2016-01-15 13:23 ` [PATCH QEMU-XEN-TRADITIONAL v8 4/4] qemu-xen-traditional: Add libxenforeignmemory " Ian Campbell 2016-01-15 13:23 ` [PATCH MINI-OS v8 0/4] Begin to disentangle libxenctrl and provide some stable libraries Ian Campbell 2016-01-15 13:24 ` [PATCH MINI-OS v8 1/4] mini-os: Include libxenevtchn with libxc Ian Campbell 2016-01-15 13:24 ` [PATCH MINI-OS v8 2/4] mini-os: Include libxengnttab " Ian Campbell 2016-01-15 13:24 ` [PATCH MINI-OS v8 3/4] mini-os: Include libxencall " Ian Campbell 2016-01-15 13:24 ` [PATCH MINI-OS v8 4/4] mini-os: Include libxenforeignmemory " Ian Campbell 2016-01-19 15:44 ` [Qemu-devel] [Minios-devel] [PATCH v8 0/<VARIOUS>] Begin to disentangle libxenctrl and provide some stable libraries Ian Campbell 2016-01-22 10:42 ` Ian Campbell 2016-01-22 10:42 ` [Qemu-devel] " Ian Campbell 2016-01-19 15:44 ` Ian Campbell 2016-01-22 14:14 ` [Qemu-devel] " Ian Campbell 2016-01-22 14:14 ` Ian Campbell
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