Date: Mon, 9 Feb 2009 21:56:33 +0000 (UTC) From: Andrew Thompson <thompsa@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r188411 - head/sys/dev/usb2/core Message-ID: <200902092156.n19LuXc5072322@svn.freebsd.org>
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Author: thompsa Date: Mon Feb 9 21:56:33 2009 New Revision: 188411 URL: http://svn.freebsd.org/changeset/base/188411 Log: MFp4 //depot/projects/usb; 157069, 157429, 157430 - Change "usb2_pause_mtx" so that it takes the timeout value in ticks - Factor out USB ethernet and USB serial driver specific control request. - USB process naming cleanup. Submitted by: Hans Petter Selasky Modified: head/sys/dev/usb2/core/usb2_core.h head/sys/dev/usb2/core/usb2_device.c head/sys/dev/usb2/core/usb2_hub.c head/sys/dev/usb2/core/usb2_msctest.c head/sys/dev/usb2/core/usb2_process.c head/sys/dev/usb2/core/usb2_process.h head/sys/dev/usb2/core/usb2_request.c head/sys/dev/usb2/core/usb2_request.h head/sys/dev/usb2/core/usb2_transfer.c head/sys/dev/usb2/core/usb2_util.c head/sys/dev/usb2/core/usb2_util.h Modified: head/sys/dev/usb2/core/usb2_core.h ============================================================================== --- head/sys/dev/usb2/core/usb2_core.h Mon Feb 9 21:50:04 2009 (r188410) +++ head/sys/dev/usb2/core/usb2_core.h Mon Feb 9 21:56:33 2009 (r188411) @@ -434,6 +434,7 @@ uint8_t usb2_clear_stall_callback(struct uint8_t usb2_get_interface_altindex(struct usb2_interface *iface); usb2_error_t usb2_set_alt_interface_index(struct usb2_device *udev, uint8_t iface_index, uint8_t alt_index); +uint8_t usb2_get_mode(struct usb2_device *udev); uint8_t usb2_get_speed(struct usb2_device *udev); uint32_t usb2_get_isoc_fps(struct usb2_device *udev); usb2_error_t usb2_transfer_setup(struct usb2_device *udev, Modified: head/sys/dev/usb2/core/usb2_device.c ============================================================================== --- head/sys/dev/usb2/core/usb2_device.c Mon Feb 9 21:50:04 2009 (r188410) +++ head/sys/dev/usb2/core/usb2_device.c Mon Feb 9 21:56:33 2009 (r188411) @@ -1401,7 +1401,8 @@ usb2_alloc_device(device_t parent_dev, s "(ignored)\n", udev->address); } /* allow device time to set new address */ - usb2_pause_mtx(&Giant, USB_SET_ADDRESS_SETTLE); + usb2_pause_mtx(&Giant, + USB_MS_TO_TICKS(USB_SET_ADDRESS_SETTLE)); } else { /* We are not self powered */ udev->flags.self_powered = 0; @@ -1951,6 +1952,20 @@ usb2_check_strings(struct usb2_device *u } } +/* + * Returns: + * See: USB_MODE_XXX + */ +uint8_t +usb2_get_mode(struct usb2_device *udev) +{ + return (udev->flags.usb2_mode); +} + +/* + * Returns: + * See: USB_SPEED_XXX + */ uint8_t usb2_get_speed(struct usb2_device *udev) { Modified: head/sys/dev/usb2/core/usb2_hub.c ============================================================================== --- head/sys/dev/usb2/core/usb2_hub.c Mon Feb 9 21:50:04 2009 (r188410) +++ head/sys/dev/usb2/core/usb2_hub.c Mon Feb 9 21:56:33 2009 (r188411) @@ -335,7 +335,8 @@ repeat: /* wait for maximum device power up time */ - usb2_pause_mtx(&Giant, USB_PORT_POWERUP_DELAY); + usb2_pause_mtx(&Giant, + USB_MS_TO_TICKS(USB_PORT_POWERUP_DELAY)); /* reset port, which implies enabling it */ @@ -736,7 +737,7 @@ uhub_attach(device_t dev) goto error; } /* wait with power off for a while */ - usb2_pause_mtx(&Giant, USB_POWER_DOWN_TIME); + usb2_pause_mtx(&Giant, USB_MS_TO_TICKS(USB_POWER_DOWN_TIME)); /* * To have the best chance of success we do things in the exact same @@ -794,7 +795,7 @@ uhub_attach(device_t dev) portno); /* wait for stable power */ - usb2_pause_mtx(&Giant, pwrdly); + usb2_pause_mtx(&Giant, USB_MS_TO_TICKS(pwrdly)); } device_printf(dev, "%d port%s with %d " @@ -1666,7 +1667,7 @@ usb2_dev_resume_peer(struct usb2_device return; } /* resume settle time */ - usb2_pause_mtx(&Giant, USB_PORT_RESUME_DELAY); + usb2_pause_mtx(&Giant, USB_MS_TO_TICKS(USB_PORT_RESUME_DELAY)); if (bus->methods->device_resume != NULL) { /* resume USB device on the USB controller */ @@ -1802,7 +1803,7 @@ repeat: /* do DMA delay */ temp = usb2_get_dma_delay(udev->bus); - usb2_pause_mtx(&Giant, temp); + usb2_pause_mtx(&Giant, USB_MS_TO_TICKS(temp)); } /* suspend current port */ Modified: head/sys/dev/usb2/core/usb2_msctest.c ============================================================================== --- head/sys/dev/usb2/core/usb2_msctest.c Mon Feb 9 21:50:04 2009 (r188410) +++ head/sys/dev/usb2/core/usb2_msctest.c Mon Feb 9 21:56:33 2009 (r188411) @@ -562,7 +562,7 @@ repeat_inquiry: goto done; } } else if ((err != 2) && --timeout) { - usb2_pause_mtx(&sc->mtx, USB_MS_HZ); + usb2_pause_mtx(&sc->mtx, hz); goto repeat_inquiry; } err = USB_ERR_INVAL; Modified: head/sys/dev/usb2/core/usb2_process.c ============================================================================== --- head/sys/dev/usb2/core/usb2_process.c Mon Feb 9 21:50:04 2009 (r188410) +++ head/sys/dev/usb2/core/usb2_process.c Mon Feb 9 21:56:33 2009 (r188411) @@ -164,7 +164,7 @@ usb2_process(void *arg) } /*------------------------------------------------------------------------* - * usb2_proc_setup + * usb2_proc_create * * This function will create a process using the given "prio" that can * execute callbacks. The mutex pointed to by "p_mtx" will be applied @@ -176,8 +176,9 @@ usb2_process(void *arg) * 0: success * Else: failure *------------------------------------------------------------------------*/ -uint8_t -usb2_proc_setup(struct usb2_process *up, struct mtx *p_mtx, uint8_t prio) +int +usb2_proc_create(struct usb2_process *up, struct mtx *p_mtx, + const char *pmesg, uint8_t prio) { up->up_mtx = p_mtx; up->up_prio = prio; @@ -188,7 +189,7 @@ usb2_proc_setup(struct usb2_process *up, usb2_cv_init(&up->up_drain, "dmsg"); if (USB_THREAD_CREATE(&usb2_process, up, - &up->up_ptr, "usbproc")) { + &up->up_ptr, pmesg)) { DPRINTFN(0, "Unable to create USB process."); up->up_ptr = NULL; goto error; @@ -196,12 +197,12 @@ usb2_proc_setup(struct usb2_process *up, return (0); error: - usb2_proc_unsetup(up); - return (1); + usb2_proc_free(up); + return (ENOMEM); } /*------------------------------------------------------------------------* - * usb2_proc_unsetup + * usb2_proc_free * * NOTE: If the structure pointed to by "up" is all zero, this * function does nothing. @@ -210,7 +211,7 @@ error: * removed nor called. *------------------------------------------------------------------------*/ void -usb2_proc_unsetup(struct usb2_process *up) +usb2_proc_free(struct usb2_process *up) { if (!(up->up_mtx)) { /* not initialised */ Modified: head/sys/dev/usb2/core/usb2_process.h ============================================================================== --- head/sys/dev/usb2/core/usb2_process.h Mon Feb 9 21:50:04 2009 (r188410) +++ head/sys/dev/usb2/core/usb2_process.h Mon Feb 9 21:56:33 2009 (r188411) @@ -79,12 +79,12 @@ struct usb2_process { uint8_t usb2_proc_cwait(struct usb2_process *up, int timeout); uint8_t usb2_proc_is_gone(struct usb2_process *up); -uint8_t usb2_proc_setup(struct usb2_process *up, struct mtx *p_mtx, - uint8_t prio); +int usb2_proc_create(struct usb2_process *up, struct mtx *p_mtx, + const char *pmesg, uint8_t prio); void usb2_proc_csignal(struct usb2_process *up); void usb2_proc_drain(struct usb2_process *up); void usb2_proc_mwait(struct usb2_process *up, void *pm0, void *pm1); -void usb2_proc_unsetup(struct usb2_process *up); +void usb2_proc_free(struct usb2_process *up); void *usb2_proc_msignal(struct usb2_process *up, void *pm0, void *pm1); #endif /* _USB2_PROCESS_H_ */ Modified: head/sys/dev/usb2/core/usb2_request.c ============================================================================== --- head/sys/dev/usb2/core/usb2_request.c Mon Feb 9 21:50:04 2009 (r188410) +++ head/sys/dev/usb2/core/usb2_request.c Mon Feb 9 21:56:33 2009 (r188411) @@ -371,7 +371,7 @@ usb2_do_request_flags(struct usb2_device if (temp > 0) { usb2_pause_mtx( xfer->xroot->xfer_mtx, - temp); + USB_MS_TO_TICKS(temp)); } #endif xfer->flags.manual_status = 0; @@ -477,6 +477,49 @@ done: } /*------------------------------------------------------------------------* + * usb2_do_request_proc - factored out code + * + * This function is factored out code. It does basically the same like + * usb2_do_request_flags, except it will check the status of the + * passed process argument before doing the USB request. If the + * process is draining the USB_ERR_IOERROR code will be returned. It + * is assumed that the mutex associated with the process is locked + * when calling this function. + *------------------------------------------------------------------------*/ +usb2_error_t +usb2_do_request_proc(struct usb2_device *udev, struct usb2_process *pproc, + struct usb2_device_request *req, void *data, uint32_t flags, + uint16_t *actlen, uint32_t timeout) +{ + usb2_error_t err; + uint16_t len; + + /* get request data length */ + len = UGETW(req->wLength); + + /* check if the device is being detached */ + if (usb2_proc_is_gone(pproc)) { + err = USB_ERR_IOERROR; + goto done; + } + + /* forward the USB request */ + err = usb2_do_request_flags(udev, pproc->up_mtx, + req, data, flags, actlen, timeout); + +done: + /* on failure we zero the data */ + /* on short packet we zero the unused data */ + if ((len != 0) && (req->bmRequestType & UE_DIR_IN)) { + if (err) + memset(data, 0, len); + else if (actlen && *actlen != len) + memset(((uint8_t *)data) + *actlen, 0, len - *actlen); + } + return (err); +} + +/*------------------------------------------------------------------------* * usb2_req_reset_port * * This function will instruct an USB HUB to perform a reset sequence @@ -520,11 +563,11 @@ usb2_req_reset_port(struct usb2_device * while (1) { #if USB_DEBUG /* wait for the device to recover from reset */ - usb2_pause_mtx(mtx, pr_poll_delay); + usb2_pause_mtx(mtx, USB_MS_TO_TICKS(pr_poll_delay)); n += pr_poll_delay; #else /* wait for the device to recover from reset */ - usb2_pause_mtx(mtx, USB_PORT_RESET_DELAY); + usb2_pause_mtx(mtx, USB_MS_TO_TICKS(USB_PORT_RESET_DELAY)); n += USB_PORT_RESET_DELAY; #endif err = usb2_req_get_port_status(udev, mtx, &ps, port); @@ -559,10 +602,10 @@ usb2_req_reset_port(struct usb2_device * } #if USB_DEBUG /* wait for the device to recover from reset */ - usb2_pause_mtx(mtx, pr_recovery_delay); + usb2_pause_mtx(mtx, USB_MS_TO_TICKS(pr_recovery_delay)); #else /* wait for the device to recover from reset */ - usb2_pause_mtx(mtx, USB_PORT_RESET_RECOVERY); + usb2_pause_mtx(mtx, USB_MS_TO_TICKS(USB_PORT_RESET_RECOVERY)); #endif done: @@ -624,7 +667,7 @@ usb2_req_get_desc(struct usb2_device *ud } retries--; - usb2_pause_mtx(mtx, 200); + usb2_pause_mtx(mtx, hz / 5); continue; } @@ -1369,7 +1412,7 @@ retry: udev->address = old_addr; /* allow device time to set new address */ - usb2_pause_mtx(mtx, USB_SET_ADDRESS_SETTLE); + usb2_pause_mtx(mtx, USB_MS_TO_TICKS(USB_SET_ADDRESS_SETTLE)); /* get the device descriptor */ err = usb2_req_get_desc(udev, mtx, &udev->ddesc, @@ -1389,7 +1432,7 @@ retry: done: if (err && do_retry) { /* give the USB firmware some time to load */ - usb2_pause_mtx(mtx, 500); + usb2_pause_mtx(mtx, hz / 2); /* no more retries after this retry */ do_retry = 0; /* try again */ Modified: head/sys/dev/usb2/core/usb2_request.h ============================================================================== --- head/sys/dev/usb2/core/usb2_request.h Mon Feb 9 21:50:04 2009 (r188410) +++ head/sys/dev/usb2/core/usb2_request.h Mon Feb 9 21:56:33 2009 (r188411) @@ -27,9 +27,14 @@ #ifndef _USB2_REQUEST_H_ #define _USB2_REQUEST_H_ +struct usb2_process; + usb2_error_t usb2_do_request_flags(struct usb2_device *udev, struct mtx *mtx, struct usb2_device_request *req, void *data, uint32_t flags, uint16_t *actlen, uint32_t timeout); +usb2_error_t usb2_do_request_proc(struct usb2_device *udev, struct usb2_process *pproc, + struct usb2_device_request *req, void *data, uint32_t flags, + uint16_t *actlen, uint32_t timeout); usb2_error_t usb2_req_clear_hub_feature(struct usb2_device *udev, struct mtx *mtx, uint16_t sel); usb2_error_t usb2_req_clear_port_feature(struct usb2_device *udev, Modified: head/sys/dev/usb2/core/usb2_transfer.c ============================================================================== --- head/sys/dev/usb2/core/usb2_transfer.c Mon Feb 9 21:50:04 2009 (r188410) +++ head/sys/dev/usb2/core/usb2_transfer.c Mon Feb 9 21:56:33 2009 (r188411) @@ -1066,7 +1066,8 @@ usb2_transfer_unsetup_sub(struct usb2_xf if (needs_delay) { temp = usb2_get_dma_delay(info->bus); - usb2_pause_mtx(&info->bus->bus_mtx, temp); + usb2_pause_mtx(&info->bus->bus_mtx, + USB_MS_TO_TICKS(temp)); } /* make sure that our done messages are not queued anywhere */ Modified: head/sys/dev/usb2/core/usb2_util.c ============================================================================== --- head/sys/dev/usb2/core/usb2_util.c Mon Feb 9 21:50:04 2009 (r188410) +++ head/sys/dev/usb2/core/usb2_util.c Mon Feb 9 21:56:33 2009 (r188411) @@ -124,36 +124,37 @@ device_set_usb2_desc(device_t dev) /*------------------------------------------------------------------------* * usb2_pause_mtx - factored out code * - * This function will delay the code by the passed number of - * milliseconds. The passed mutex "mtx" will be dropped while waiting, - * if "mtx" is not NULL. The number of milliseconds per second is 1024 - * for sake of optimisation. + * This function will delay the code by the passed number of system + * ticks. The passed mutex "mtx" will be dropped while waiting, if + * "mtx" is not NULL. *------------------------------------------------------------------------*/ void -usb2_pause_mtx(struct mtx *mtx, uint32_t ms) +usb2_pause_mtx(struct mtx *mtx, int _ticks) { + if (mtx != NULL) + mtx_unlock(mtx); + if (cold) { - ms = (ms + 1) * 1024; - DELAY(ms); + /* convert to milliseconds */ + _ticks = (_ticks * 1000) / hz; + /* convert to microseconds, rounded up */ + _ticks = (_ticks + 1) * 1000; + DELAY(_ticks); } else { - ms = USB_MS_TO_TICKS(ms); /* * Add one to the number of ticks so that we don't return * too early! */ - ms++; - - if (mtx != NULL) - mtx_unlock(mtx); + _ticks++; - if (pause("USBWAIT", ms)) { + if (pause("USBWAIT", _ticks)) { /* ignore */ } - if (mtx != NULL) - mtx_lock(mtx); } + if (mtx != NULL) + mtx_lock(mtx); } /*------------------------------------------------------------------------* Modified: head/sys/dev/usb2/core/usb2_util.h ============================================================================== --- head/sys/dev/usb2/core/usb2_util.h Mon Feb 9 21:50:04 2009 (r188410) +++ head/sys/dev/usb2/core/usb2_util.h Mon Feb 9 21:56:33 2009 (r188411) @@ -31,7 +31,7 @@ int device_delete_all_children(device_t uint32_t usb2_get_devid(device_t dev); uint8_t usb2_make_str_desc(void *ptr, uint16_t max_len, const char *s); void device_set_usb2_desc(device_t dev); -void usb2_pause_mtx(struct mtx *mtx, uint32_t ms); +void usb2_pause_mtx(struct mtx *mtx, int _ticks); void usb2_printBCD(char *p, uint16_t p_len, uint16_t bcd); void usb2_trim_spaces(char *p);
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