diff options
Diffstat (limited to 'drivers/usb/usbip/vhci_sysfs.c')
| -rw-r--r-- | drivers/usb/usbip/vhci_sysfs.c | 109 |
1 files changed, 76 insertions, 33 deletions
diff --git a/drivers/usb/usbip/vhci_sysfs.c b/drivers/usb/usbip/vhci_sysfs.c index 63e10a4ffeec..cac2319df742 100644 --- a/drivers/usb/usbip/vhci_sysfs.c +++ b/drivers/usb/usbip/vhci_sysfs.c @@ -29,6 +29,42 @@ /* TODO: refine locking ?*/ +/* + * output example: + * hub port sta spd dev socket local_busid + * hs 0000 004 000 00000000 c5a7bb80 1-2.3 + * ................................................ + * ss 0008 004 000 00000000 d8cee980 2-3.4 + * ................................................ + * + * IP address can be retrieved from a socket pointer address by looking + * up /proc/net/{tcp,tcp6}. Also, a userland program may remember a + * port number and its peer IP address. + */ +static void port_show_vhci(char **out, int hub, int port, struct vhci_device *vdev) +{ + if (hub == HUB_SPEED_HIGH) + *out += sprintf(*out, "hs %04u %03u ", + port, vdev->ud.status); + else /* hub == HUB_SPEED_SUPER */ + *out += sprintf(*out, "ss %04u %03u ", + port, vdev->ud.status); + + if (vdev->ud.status == VDEV_ST_USED) { + *out += sprintf(*out, "%03u %08x ", + vdev->speed, vdev->devid); + *out += sprintf(*out, "%16p %s", + vdev->ud.tcp_socket, + dev_name(&vdev->udev->dev)); + + } else { + *out += sprintf(*out, "000 00000000 "); + *out += sprintf(*out, "0000000000000000 0-0"); + } + + *out += sprintf(*out, "\n"); +} + /* Sysfs entry to show port status */ static ssize_t status_show_vhci(int pdev_nr, char *out) { @@ -51,37 +87,21 @@ static ssize_t status_show_vhci(int pdev_nr, char *out) spin_lock_irqsave(&vhci->lock, flags); - /* - * output example: - * port sta spd dev socket local_busid - * 0000 004 000 00000000 c5a7bb80 1-2.3 - * 0001 004 000 00000000 d8cee980 2-3.4 - * - * IP address can be retrieved from a socket pointer address by looking - * up /proc/net/{tcp,tcp6}. Also, a userland program may remember a - * port number and its peer IP address. - */ for (i = 0; i < VHCI_HC_PORTS; i++) { - struct vhci_device *vdev = &vhci_hcd->vdev[i]; + struct vhci_device *vdev = &vhci->vhci_hcd_hs->vdev[i]; spin_lock(&vdev->ud.lock); - out += sprintf(out, "%04u %03u ", - (pdev_nr * VHCI_HC_PORTS) + i, - vdev->ud.status); - - if (vdev->ud.status == VDEV_ST_USED) { - out += sprintf(out, "%03u %08x ", - vdev->speed, vdev->devid); - out += sprintf(out, "%16p %s", - vdev->ud.tcp_socket, - dev_name(&vdev->udev->dev)); - - } else { - out += sprintf(out, "000 00000000 "); - out += sprintf(out, "0000000000000000 0-0"); - } + port_show_vhci(&out, HUB_SPEED_HIGH, + pdev_nr * VHCI_HC_PORTS * 2 + i, vdev); + spin_unlock(&vdev->ud.lock); + } - out += sprintf(out, "\n"); + for (i = 0; i < VHCI_HC_PORTS; i++) { + struct vhci_device *vdev = &vhci->vhci_hcd_ss->vdev[i]; + + spin_lock(&vdev->ud.lock); + port_show_vhci(&out, HUB_SPEED_SUPER, + pdev_nr * VHCI_HC_PORTS * 2 + VHCI_HC_PORTS + i, vdev); spin_unlock(&vdev->ud.lock); } @@ -96,8 +116,16 @@ static ssize_t status_show_not_ready(int pdev_nr, char *out) int i = 0; for (i = 0; i < VHCI_HC_PORTS; i++) { - out += sprintf(out, "%04u %03u ", - (pdev_nr * VHCI_HC_PORTS) + i, + out += sprintf(out, "hs %04u %03u ", + (pdev_nr * VHCI_HC_PORTS * 2) + i, + VDEV_ST_NOTASSIGNED); + out += sprintf(out, "000 00000000 0000000000000000 0-0"); + out += sprintf(out, "\n"); + } + + for (i = 0; i < VHCI_HC_PORTS; i++) { + out += sprintf(out, "ss %04u %03u ", + (pdev_nr * VHCI_HC_PORTS * 2) + VHCI_HC_PORTS + i, VDEV_ST_NOTASSIGNED); out += sprintf(out, "000 00000000 0000000000000000 0-0"); out += sprintf(out, "\n"); @@ -129,7 +157,7 @@ static ssize_t status_show(struct device *dev, int pdev_nr; out += sprintf(out, - "port sta spd dev socket local_busid\n"); + "hub port sta spd dev socket local_busid\n"); pdev_nr = status_name_to_id(attr->attr.name); if (pdev_nr < 0) @@ -145,7 +173,10 @@ static ssize_t nports_show(struct device *dev, struct device_attribute *attr, { char *s = out; - out += sprintf(out, "%d\n", VHCI_HC_PORTS * vhci_num_controllers); + /* + * Half the ports are for SPEED_HIGH and half for SPEED_SUPER, thus the * 2. + */ + out += sprintf(out, "%d\n", VHCI_HC_PORTS * vhci_num_controllers * 2); return out - s; } static DEVICE_ATTR_RO(nports); @@ -200,6 +231,7 @@ static ssize_t store_detach(struct device *dev, struct device_attribute *attr, { __u32 port = 0, pdev_nr = 0, rhport = 0; struct usb_hcd *hcd; + struct vhci_hcd *vhci_hcd; int ret; if (kstrtoint(buf, 10, &port) < 0) @@ -217,7 +249,14 @@ static ssize_t store_detach(struct device *dev, struct device_attribute *attr, return -EAGAIN; } - ret = vhci_port_disconnect(hcd_to_vhci_hcd(hcd), rhport); + usbip_dbg_vhci_sysfs("rhport %d\n", rhport); + + if ((port / VHCI_HC_PORTS) % 2) + vhci_hcd = hcd_to_vhci_hcd(hcd)->vhci->vhci_hcd_ss; + else + vhci_hcd = hcd_to_vhci_hcd(hcd)->vhci->vhci_hcd_hs; + + ret = vhci_port_disconnect(vhci_hcd, rhport); if (ret < 0) return -EINVAL; @@ -301,7 +340,11 @@ static ssize_t store_attach(struct device *dev, struct device_attribute *attr, vhci_hcd = hcd_to_vhci_hcd(hcd); vhci = vhci_hcd->vhci; - vdev = &vhci_hcd->vdev[rhport]; + + if (speed == USB_SPEED_SUPER) + vdev = &vhci->vhci_hcd_ss->vdev[rhport]; + else + vdev = &vhci->vhci_hcd_hs->vdev[rhport]; /* Extract socket from fd. */ socket = sockfd_lookup(sockfd, &err); |