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Xen 2016/10/28

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Merge remote-tracking branch 'remotes/sstabellini/tags/xen-20161028-tag' into staging

Xen 2016/10/28

# gpg: Signature made Sat 29 Oct 2016 02:03:42 BST
# gpg:                using RSA key 0x894F8F4870E1AE90
# gpg: Good signature from "Stefano Stabellini <sstabellini@kernel.org>"
# gpg:                 aka "Stefano Stabellini <stefano.stabellini@eu.citrix.com>"
# Primary key fingerprint: D04E 33AB A51F 67BA 07D3  0AEA 894F 8F48 70E1 AE90

* remotes/sstabellini/tags/xen-20161028-tag:
  xen: Rename xen_be_del_xendev
  xen: Rename xen_be_find_xendev
  xen: Rename xen_be_evtchn_event
  xen: Rename xen_be_send_notify
  xen: Rename xen_be_unbind_evtchn
  xen: Rename xen_be_printf to xen_pv_printf
  xen: Move xenstore cleanup and mkdir functions
  xen: Prepare xendev qtail to be shared with frontends
  xen: Move evtchn functions to xen_pvdev.c
  xen: Move xenstore_update to xen_pvdev.c
  xen: Create a new file xen_pvdev.c
  xen: Fix coding style warnings
  xen: Fix coding style errors

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2016-10-31 12:35:39 +00:00
commit 5ff06787d4
12 changed files with 603 additions and 525 deletions
Download patch file Download diff file Expand all files Collapse all files

46
hw/usb/xen-usb.c
View file

@ -47,7 +47,7 @@
struct timeval tv; \
\
gettimeofday(&tv, NULL); \
xen_be_printf(xendev, lvl, "%8ld.%06ld xen-usb(%s):" fmt, \
xen_pv_printf(xendev, lvl, "%8ld.%06ld xen-usb(%s):" fmt, \
tv.tv_sec, tv.tv_usec, __func__, ##args); \
}
#define TR_BUS(xendev, fmt, args...) TR(xendev, 2, fmt, ##args)
@ -153,7 +153,7 @@ static int usbback_gnttab_map(struct usbback_req *usbback_req)
}
if (nr_segs > USBIF_MAX_SEGMENTS_PER_REQUEST) {
xen_be_printf(xendev, 0, "bad number of segments in request (%d)\n",
xen_pv_printf(xendev, 0, "bad number of segments in request (%d)\n",
nr_segs);
return -EINVAL;
}
@ -161,7 +161,7 @@ static int usbback_gnttab_map(struct usbback_req *usbback_req)
for (i = 0; i < nr_segs; i++) {
if ((unsigned)usbback_req->req.seg[i].offset +
(unsigned)usbback_req->req.seg[i].length > XC_PAGE_SIZE) {
xen_be_printf(xendev, 0, "segment crosses page boundary\n");
xen_pv_printf(xendev, 0, "segment crosses page boundary\n");
return -EINVAL;
}
}
@ -199,7 +199,7 @@ static int usbback_gnttab_map(struct usbback_req *usbback_req)
*/
if (!usbback_req->nr_extra_segs) {
xen_be_printf(xendev, 0, "iso request without descriptor segments\n");
xen_pv_printf(xendev, 0, "iso request without descriptor segments\n");
return -EINVAL;
}
@ -314,7 +314,7 @@ static void usbback_do_response(struct usbback_req *usbback_req, int32_t status,
RING_PUSH_RESPONSES_AND_CHECK_NOTIFY(&usbif->urb_ring, notify);
if (notify) {
xen_be_send_notify(xendev);
xen_pv_send_notify(xendev);
}
}
@ -551,14 +551,14 @@ static void usbback_dispatch(struct usbback_req *usbback_req)
ret = usbback_init_packet(usbback_req);
if (ret) {
xen_be_printf(&usbif->xendev, 0, "invalid request\n");
xen_pv_printf(&usbif->xendev, 0, "invalid request\n");
ret = -ESHUTDOWN;
goto fail_free_urb;
}
ret = usbback_gnttab_map(usbback_req);
if (ret) {
xen_be_printf(&usbif->xendev, 0, "invalid buffer, ret=%d\n", ret);
xen_pv_printf(&usbif->xendev, 0, "invalid buffer, ret=%d\n", ret);
ret = -ESHUTDOWN;
goto fail_free_urb;
}
@ -590,7 +590,7 @@ static void usbback_hotplug_notify(struct usbback_info *usbif)
/* Check for full ring. */
if ((RING_SIZE(ring) - ring->rsp_prod_pvt - ring->req_cons) == 0) {
xen_be_send_notify(&usbif->xendev);
xen_pv_send_notify(&usbif->xendev);
return;
}
@ -609,7 +609,7 @@ static void usbback_hotplug_notify(struct usbback_info *usbif)
RING_PUSH_RESPONSES_AND_CHECK_NOTIFY(ring, notify);
if (notify) {
xen_be_send_notify(&usbif->xendev);
xen_pv_send_notify(&usbif->xendev);
}
TR_BUS(&usbif->xendev, "hotplug port %d speed %d\n", usb_hp->port,
@ -646,7 +646,7 @@ static void usbback_bh(void *opaque)
if (RING_REQUEST_PROD_OVERFLOW(urb_ring, rp)) {
rc = urb_ring->rsp_prod_pvt;
xen_be_printf(&usbif->xendev, 0, "domU provided bogus ring requests "
xen_pv_printf(&usbif->xendev, 0, "domU provided bogus ring requests "
"(%#x - %#x = %u). Halting ring processing.\n",
rp, rc, rp - rc);
usbif->ring_error = true;
@ -744,7 +744,7 @@ static void usbback_portid_add(struct usbback_info *usbif, unsigned port,
portname = strchr(busid, '-');
if (!portname) {
xen_be_printf(&usbif->xendev, 0, "device %s illegal specification\n",
xen_pv_printf(&usbif->xendev, 0, "device %s illegal specification\n",
busid);
return;
}
@ -783,7 +783,7 @@ static void usbback_portid_add(struct usbback_info *usbif, unsigned port,
break;
}
if (speed == USBIF_SPEED_NONE) {
xen_be_printf(&usbif->xendev, 0, "device %s wrong speed\n", busid);
xen_pv_printf(&usbif->xendev, 0, "device %s wrong speed\n", busid);
object_unparent(OBJECT(usbif->ports[port - 1].dev));
usbif->ports[port - 1].dev = NULL;
return;
@ -800,7 +800,7 @@ static void usbback_portid_add(struct usbback_info *usbif, unsigned port,
err:
QDECREF(qdict);
snprintf(p->path, sizeof(p->path), "%d", 99);
xen_be_printf(&usbif->xendev, 0, "device %s could not be opened\n", busid);
xen_pv_printf(&usbif->xendev, 0, "device %s could not be opened\n", busid);
}
static void usbback_process_port(struct usbback_info *usbif, unsigned port)
@ -811,7 +811,7 @@ static void usbback_process_port(struct usbback_info *usbif, unsigned port)
snprintf(node, sizeof(node), "port/%d", port);
busid = xenstore_read_be_str(&usbif->xendev, node);
if (busid == NULL) {
xen_be_printf(&usbif->xendev, 0, "xenstore_read %s failed\n", node);
xen_pv_printf(&usbif->xendev, 0, "xenstore_read %s failed\n", node);
return;
}
@ -834,7 +834,7 @@ static void usbback_disconnect(struct XenDevice *xendev)
usbif = container_of(xendev, struct usbback_info, xendev);
xen_be_unbind_evtchn(xendev);
xen_pv_unbind_evtchn(xendev);
if (usbif->urb_sring) {
xengnttab_unmap(xendev->gnttabdev, usbif->urb_sring, 1);
@ -868,15 +868,15 @@ static int usbback_connect(struct XenDevice *xendev)
usbif = container_of(xendev, struct usbback_info, xendev);
if (xenstore_read_fe_int(xendev, "urb-ring-ref", &urb_ring_ref)) {
xen_be_printf(xendev, 0, "error reading urb-ring-ref\n");
xen_pv_printf(xendev, 0, "error reading urb-ring-ref\n");
return -1;
}
if (xenstore_read_fe_int(xendev, "conn-ring-ref", &conn_ring_ref)) {
xen_be_printf(xendev, 0, "error reading conn-ring-ref\n");
xen_pv_printf(xendev, 0, "error reading conn-ring-ref\n");
return -1;
}
if (xenstore_read_fe_int(xendev, "event-channel", &xendev->remote_port)) {
xen_be_printf(xendev, 0, "error reading event-channel\n");
xen_pv_printf(xendev, 0, "error reading event-channel\n");
return -1;
}
@ -887,7 +887,7 @@ static int usbback_connect(struct XenDevice *xendev)
conn_ring_ref,
PROT_READ | PROT_WRITE);
if (!usbif->urb_sring || !usbif->conn_sring) {
xen_be_printf(xendev, 0, "error mapping rings\n");
xen_pv_printf(xendev, 0, "error mapping rings\n");
usbback_disconnect(xendev);
return -1;
}
@ -899,7 +899,7 @@ static int usbback_connect(struct XenDevice *xendev)
xen_be_bind_evtchn(xendev);
xen_be_printf(xendev, 1, "urb-ring-ref %d, conn-ring-ref %d, "
xen_pv_printf(xendev, 1, "urb-ring-ref %d, conn-ring-ref %d, "
"remote port %d, local port %d\n", urb_ring_ref,
conn_ring_ref, xendev->remote_port, xendev->local_port);
@ -935,12 +935,12 @@ static int usbback_init(struct XenDevice *xendev)
if (xenstore_read_be_int(xendev, "num-ports", &usbif->num_ports) ||
usbif->num_ports < 1 || usbif->num_ports > USBBACK_MAXPORTS) {
xen_be_printf(xendev, 0, "num-ports not readable or out of bounds\n");
xen_pv_printf(xendev, 0, "num-ports not readable or out of bounds\n");
return -1;
}
if (xenstore_read_be_int(xendev, "usb-ver", &usbif->usb_ver) ||
(usbif->usb_ver != USB_VER_USB11 && usbif->usb_ver != USB_VER_USB20)) {
xen_be_printf(xendev, 0, "usb-ver not readable or out of bounds\n");
xen_pv_printf(xendev, 0, "usb-ver not readable or out of bounds\n");
return -1;
}
@ -1028,7 +1028,7 @@ static void usbback_alloc(struct XenDevice *xendev)
/* max_grants: for each request and for the rings (request and connect). */
max_grants = USBIF_MAX_SEGMENTS_PER_REQUEST * USB_URB_RING_SIZE + 2;
if (xengnttab_set_max_grants(xendev->gnttabdev, max_grants) < 0) {
xen_be_printf(xendev, 0, "xengnttab_set_max_grants failed: %s\n",
xen_pv_printf(xendev, 0, "xengnttab_set_max_grants failed: %s\n",
strerror(errno));
}
}