diff options
Diffstat (limited to 'drivers/usb/usbip/usbip_common.h')
| -rw-r--r-- | drivers/usb/usbip/usbip_common.h | 46 |
1 files changed, 40 insertions, 6 deletions
diff --git a/drivers/usb/usbip/usbip_common.h b/drivers/usb/usbip/usbip_common.h index bf8afe9b5883..282efca64a01 100644 --- a/drivers/usb/usbip/usbip_common.h +++ b/drivers/usb/usbip/usbip_common.h @@ -18,6 +18,7 @@ #include <linux/usb.h> #include <linux/wait.h> #include <linux/sched/task.h> +#include <linux/kcov.h> #include <uapi/linux/usbip.h> #undef pr_fmt @@ -121,6 +122,13 @@ extern struct device_attribute dev_attr_usbip_debug; #define USBIP_DIR_OUT 0x00 #define USBIP_DIR_IN 0x01 +/* + * Arbitrary limit for the maximum number of isochronous packets in an URB, + * compare for example the uhci_submit_isochronous function in + * drivers/usb/host/uhci-q.c + */ +#define USBIP_MAX_ISO_PACKETS 1024 + /** * struct usbip_header_basic - data pertinent to every request * @command: the usbip request type @@ -256,6 +264,9 @@ struct usbip_device { /* lock for status */ spinlock_t lock; + /* mutex for synchronizing sysfs store paths */ + struct mutex sysfs_lock; + int sockfd; struct socket *tcp_socket; @@ -270,6 +281,10 @@ struct usbip_device { void (*reset)(struct usbip_device *); void (*unusable)(struct usbip_device *); } eh_ops; + +#ifdef CONFIG_KCOV + u64 kcov_handle; +#endif }; #define kthread_get_run(threadfn, data, namefmt, ...) \ @@ -283,12 +298,6 @@ struct usbip_device { __k; \ }) -#define kthread_stop_put(k) \ - do { \ - kthread_stop(k); \ - put_task_struct(k); \ - } while (0) - /* usbip_common.c */ void usbip_dump_urb(struct urb *purb); void usbip_dump_header(struct usbip_header *pdu); @@ -330,4 +339,29 @@ static inline int interface_to_devnum(struct usb_interface *interface) return udev->devnum; } +#ifdef CONFIG_KCOV + +static inline void usbip_kcov_handle_init(struct usbip_device *ud) +{ + ud->kcov_handle = kcov_common_handle(); +} + +static inline void usbip_kcov_remote_start(struct usbip_device *ud) +{ + kcov_remote_start_common(ud->kcov_handle); +} + +static inline void usbip_kcov_remote_stop(void) +{ + kcov_remote_stop(); +} + +#else /* CONFIG_KCOV */ + +static inline void usbip_kcov_handle_init(struct usbip_device *ud) { } +static inline void usbip_kcov_remote_start(struct usbip_device *ud) { } +static inline void usbip_kcov_remote_stop(void) { } + +#endif /* CONFIG_KCOV */ + #endif /* __USBIP_COMMON_H */ |