17c478bd9Sstevel@tonic-gate /* 27c478bd9Sstevel@tonic-gate * CDDL HEADER START 37c478bd9Sstevel@tonic-gate * 47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 57c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 67c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 77c478bd9Sstevel@tonic-gate * with the License. 87c478bd9Sstevel@tonic-gate * 97c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 107c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 117c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 127c478bd9Sstevel@tonic-gate * and limitations under the License. 137c478bd9Sstevel@tonic-gate * 147c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 157c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 167c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 177c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 187c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 197c478bd9Sstevel@tonic-gate * 207c478bd9Sstevel@tonic-gate * CDDL HEADER END 217c478bd9Sstevel@tonic-gate */ 227c478bd9Sstevel@tonic-gate /* 234610e4a0Sfrits * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 247c478bd9Sstevel@tonic-gate * Use is subject to license terms. 257c478bd9Sstevel@tonic-gate */ 267c478bd9Sstevel@tonic-gate 277c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 287c478bd9Sstevel@tonic-gate 297c478bd9Sstevel@tonic-gate /* 307c478bd9Sstevel@tonic-gate * USBA: Solaris USB Architecture support 317c478bd9Sstevel@tonic-gate * 327c478bd9Sstevel@tonic-gate * all functions exposed to client drivers have prefix usb_ while all USBA 337c478bd9Sstevel@tonic-gate * internal functions or functions exposed to HCD or hubd only have prefix 347c478bd9Sstevel@tonic-gate * usba_ 357c478bd9Sstevel@tonic-gate * 367c478bd9Sstevel@tonic-gate * this file contains all USBAI pipe management 377c478bd9Sstevel@tonic-gate * usb_pipe_open() 387c478bd9Sstevel@tonic-gate * usb_pipe_close() 397c478bd9Sstevel@tonic-gate * usb_pipe_set_private() 407c478bd9Sstevel@tonic-gate * usb_pipe_get_private() 417c478bd9Sstevel@tonic-gate * usb_pipe_abort() 427c478bd9Sstevel@tonic-gate * usb_pipe_reset() 437c478bd9Sstevel@tonic-gate * usb_pipe_drain_reqs() 447c478bd9Sstevel@tonic-gate */ 457c478bd9Sstevel@tonic-gate #define USBA_FRAMEWORK 467c478bd9Sstevel@tonic-gate #include <sys/usb/usba/usba_impl.h> 477c478bd9Sstevel@tonic-gate #include <sys/usb/usba/hcdi_impl.h> 487c478bd9Sstevel@tonic-gate #include <sys/atomic.h> 497c478bd9Sstevel@tonic-gate 507c478bd9Sstevel@tonic-gate extern pri_t maxclsyspri; 517c478bd9Sstevel@tonic-gate extern pri_t minclsyspri; 527c478bd9Sstevel@tonic-gate 537c478bd9Sstevel@tonic-gate /* function prototypes */ 547c478bd9Sstevel@tonic-gate static void usba_pipe_do_async_func_thread(void *arg); 557c478bd9Sstevel@tonic-gate static int usba_pipe_sync_close(dev_info_t *, usba_ph_impl_t *, 567c478bd9Sstevel@tonic-gate usba_pipe_async_req_t *, usb_flags_t); 577c478bd9Sstevel@tonic-gate static int usba_pipe_sync_abort(dev_info_t *, usba_ph_impl_t *, 587c478bd9Sstevel@tonic-gate usba_pipe_async_req_t *, usb_flags_t); 597c478bd9Sstevel@tonic-gate static int usba_pipe_sync_reset(dev_info_t *, usba_ph_impl_t *, 607c478bd9Sstevel@tonic-gate usba_pipe_async_req_t *, usb_flags_t); 617c478bd9Sstevel@tonic-gate static int usba_pipe_sync_drain_reqs(dev_info_t *, usba_ph_impl_t *, 627c478bd9Sstevel@tonic-gate usba_pipe_async_req_t *, usb_flags_t); 637c478bd9Sstevel@tonic-gate 647c478bd9Sstevel@tonic-gate /* local tunables */ 654610e4a0Sfrits int usba_drain_timeout = 1000; /* in ms */ 667c478bd9Sstevel@tonic-gate 677c478bd9Sstevel@tonic-gate /* return the default pipe for this device */ 687c478bd9Sstevel@tonic-gate usb_pipe_handle_t 697c478bd9Sstevel@tonic-gate usba_get_dflt_pipe_handle(dev_info_t *dip) 707c478bd9Sstevel@tonic-gate { 717c478bd9Sstevel@tonic-gate usba_device_t *usba_device; 727c478bd9Sstevel@tonic-gate usb_pipe_handle_t pipe_handle = NULL; 737c478bd9Sstevel@tonic-gate 747c478bd9Sstevel@tonic-gate if (dip) { 757c478bd9Sstevel@tonic-gate usba_device = usba_get_usba_device(dip); 767c478bd9Sstevel@tonic-gate if (usba_device) { 777c478bd9Sstevel@tonic-gate pipe_handle = 787c478bd9Sstevel@tonic-gate (usb_pipe_handle_t)&usba_device->usb_ph_list[0]; 797c478bd9Sstevel@tonic-gate } 807c478bd9Sstevel@tonic-gate } 817c478bd9Sstevel@tonic-gate 827c478bd9Sstevel@tonic-gate return (pipe_handle); 837c478bd9Sstevel@tonic-gate } 847c478bd9Sstevel@tonic-gate 857c478bd9Sstevel@tonic-gate 867c478bd9Sstevel@tonic-gate /* return dip owner of pipe_handle */ 877c478bd9Sstevel@tonic-gate dev_info_t * 887c478bd9Sstevel@tonic-gate usba_get_dip(usb_pipe_handle_t pipe_handle) 897c478bd9Sstevel@tonic-gate { 907c478bd9Sstevel@tonic-gate usba_ph_impl_t *ph_impl = (usba_ph_impl_t *)pipe_handle; 917c478bd9Sstevel@tonic-gate dev_info_t *dip = NULL; 927c478bd9Sstevel@tonic-gate 937c478bd9Sstevel@tonic-gate if (ph_impl) { 947c478bd9Sstevel@tonic-gate mutex_enter(&ph_impl->usba_ph_mutex); 957c478bd9Sstevel@tonic-gate dip = ph_impl->usba_ph_dip; 967c478bd9Sstevel@tonic-gate mutex_exit(&ph_impl->usba_ph_mutex); 977c478bd9Sstevel@tonic-gate } 987c478bd9Sstevel@tonic-gate 997c478bd9Sstevel@tonic-gate return (dip); 1007c478bd9Sstevel@tonic-gate } 1017c478bd9Sstevel@tonic-gate 1027c478bd9Sstevel@tonic-gate 1037c478bd9Sstevel@tonic-gate usb_pipe_handle_t 1047c478bd9Sstevel@tonic-gate usba_usbdev_to_dflt_pipe_handle(usba_device_t *usba_device) 1057c478bd9Sstevel@tonic-gate { 1067c478bd9Sstevel@tonic-gate usb_pipe_handle_t pipe_handle = NULL; 1077c478bd9Sstevel@tonic-gate 1087c478bd9Sstevel@tonic-gate if ((usba_device) && 1097c478bd9Sstevel@tonic-gate (usba_device->usb_ph_list[0].usba_ph_data != NULL)) { 1107c478bd9Sstevel@tonic-gate pipe_handle = (usb_pipe_handle_t)&usba_device->usb_ph_list[0]; 1117c478bd9Sstevel@tonic-gate } 1127c478bd9Sstevel@tonic-gate 1137c478bd9Sstevel@tonic-gate return (pipe_handle); 1147c478bd9Sstevel@tonic-gate } 1157c478bd9Sstevel@tonic-gate 1167c478bd9Sstevel@tonic-gate 1177c478bd9Sstevel@tonic-gate usba_pipe_handle_data_t * 1187c478bd9Sstevel@tonic-gate usba_get_ph_data(usb_pipe_handle_t pipe_handle) 1197c478bd9Sstevel@tonic-gate { 1207c478bd9Sstevel@tonic-gate usba_ph_impl_t *ph_impl = (usba_ph_impl_t *)pipe_handle; 1217c478bd9Sstevel@tonic-gate usba_pipe_handle_data_t *ph_data = NULL; 1227c478bd9Sstevel@tonic-gate 1237c478bd9Sstevel@tonic-gate if (ph_impl) { 1247c478bd9Sstevel@tonic-gate mutex_enter(&ph_impl->usba_ph_mutex); 1257c478bd9Sstevel@tonic-gate ASSERT(ph_impl->usba_ph_ref_count >= 0); 1267c478bd9Sstevel@tonic-gate ph_data = ph_impl->usba_ph_data; 1277c478bd9Sstevel@tonic-gate mutex_exit(&ph_impl->usba_ph_mutex); 1287c478bd9Sstevel@tonic-gate } 1297c478bd9Sstevel@tonic-gate 1307c478bd9Sstevel@tonic-gate return (ph_data); 1317c478bd9Sstevel@tonic-gate } 1327c478bd9Sstevel@tonic-gate 1337c478bd9Sstevel@tonic-gate 1347c478bd9Sstevel@tonic-gate usb_pipe_handle_t 1357c478bd9Sstevel@tonic-gate usba_get_pipe_handle(usba_pipe_handle_data_t *ph_data) 1367c478bd9Sstevel@tonic-gate { 1377c478bd9Sstevel@tonic-gate usb_pipe_handle_t ph = NULL; 1387c478bd9Sstevel@tonic-gate 1397c478bd9Sstevel@tonic-gate if (ph_data) { 1407c478bd9Sstevel@tonic-gate mutex_enter(&ph_data->p_mutex); 1417c478bd9Sstevel@tonic-gate ASSERT(ph_data->p_req_count >= 0); 1427c478bd9Sstevel@tonic-gate ph = (usb_pipe_handle_t)ph_data->p_ph_impl; 1437c478bd9Sstevel@tonic-gate mutex_exit(&ph_data->p_mutex); 1447c478bd9Sstevel@tonic-gate } 1457c478bd9Sstevel@tonic-gate 1467c478bd9Sstevel@tonic-gate return (ph); 1477c478bd9Sstevel@tonic-gate } 1487c478bd9Sstevel@tonic-gate 1497c478bd9Sstevel@tonic-gate 1507c478bd9Sstevel@tonic-gate /* 1517c478bd9Sstevel@tonic-gate * opaque to pipe handle impl translation with incr of ref count. The caller 1527c478bd9Sstevel@tonic-gate * must release ph_data when done. Increment the ref count ensures that 1537c478bd9Sstevel@tonic-gate * the ph_data will not be freed underneath us. 1547c478bd9Sstevel@tonic-gate */ 1557c478bd9Sstevel@tonic-gate usba_pipe_handle_data_t * 1567c478bd9Sstevel@tonic-gate usba_hold_ph_data(usb_pipe_handle_t pipe_handle) 1577c478bd9Sstevel@tonic-gate { 1587c478bd9Sstevel@tonic-gate usba_ph_impl_t *ph_impl = (usba_ph_impl_t *)pipe_handle; 1597c478bd9Sstevel@tonic-gate usba_pipe_handle_data_t *ph_data = NULL; 1607c478bd9Sstevel@tonic-gate 1617c478bd9Sstevel@tonic-gate if (ph_impl) { 1627c478bd9Sstevel@tonic-gate mutex_enter(&ph_impl->usba_ph_mutex); 1637c478bd9Sstevel@tonic-gate 1647c478bd9Sstevel@tonic-gate switch (ph_impl->usba_ph_state) { 1657c478bd9Sstevel@tonic-gate case USB_PIPE_STATE_IDLE: 1667c478bd9Sstevel@tonic-gate case USB_PIPE_STATE_ACTIVE: 1677c478bd9Sstevel@tonic-gate case USB_PIPE_STATE_ERROR: 1687c478bd9Sstevel@tonic-gate ph_data = ph_impl->usba_ph_data; 1697c478bd9Sstevel@tonic-gate ph_impl->usba_ph_ref_count++; 1707c478bd9Sstevel@tonic-gate break; 1717c478bd9Sstevel@tonic-gate case USB_PIPE_STATE_CLOSED: 1727c478bd9Sstevel@tonic-gate case USB_PIPE_STATE_CLOSING: 1737c478bd9Sstevel@tonic-gate default: 1747c478bd9Sstevel@tonic-gate break; 1757c478bd9Sstevel@tonic-gate } 1767c478bd9Sstevel@tonic-gate 1777c478bd9Sstevel@tonic-gate USB_DPRINTF_L4(DPRINT_MASK_USBAI, usbai_log_handle, 1787c478bd9Sstevel@tonic-gate "usba_hold_ph_data: ph_impl=0x%p state=%d ref=%d", 1797c478bd9Sstevel@tonic-gate ph_impl, ph_impl->usba_ph_state, 1807c478bd9Sstevel@tonic-gate ph_impl->usba_ph_ref_count); 1817c478bd9Sstevel@tonic-gate 1827c478bd9Sstevel@tonic-gate mutex_exit(&ph_impl->usba_ph_mutex); 1837c478bd9Sstevel@tonic-gate } 1847c478bd9Sstevel@tonic-gate 1857c478bd9Sstevel@tonic-gate return (ph_data); 1867c478bd9Sstevel@tonic-gate } 1877c478bd9Sstevel@tonic-gate 1887c478bd9Sstevel@tonic-gate 1897c478bd9Sstevel@tonic-gate void 1907c478bd9Sstevel@tonic-gate usba_release_ph_data(usba_ph_impl_t *ph_impl) 1917c478bd9Sstevel@tonic-gate { 1927c478bd9Sstevel@tonic-gate if (ph_impl) { 1937c478bd9Sstevel@tonic-gate mutex_enter(&ph_impl->usba_ph_mutex); 1947c478bd9Sstevel@tonic-gate 1957c478bd9Sstevel@tonic-gate USB_DPRINTF_L4(DPRINT_MASK_USBAI, usbai_log_handle, 1967c478bd9Sstevel@tonic-gate "usba_release_ph_data: " 1977c478bd9Sstevel@tonic-gate "ph_impl=0x%p state=%d ref=%d", 1987c478bd9Sstevel@tonic-gate ph_impl, ph_impl->usba_ph_state, 1997c478bd9Sstevel@tonic-gate ph_impl->usba_ph_ref_count); 2007c478bd9Sstevel@tonic-gate 2017c478bd9Sstevel@tonic-gate #ifndef __lock_lint 2027c478bd9Sstevel@tonic-gate if (ph_impl->usba_ph_data) { 2037c478bd9Sstevel@tonic-gate USB_DPRINTF_L4(DPRINT_MASK_USBAI, usbai_log_handle, 2047c478bd9Sstevel@tonic-gate "usba_release_ph_data: req_count=%d", 2057c478bd9Sstevel@tonic-gate ph_impl->usba_ph_data->p_req_count); 2067c478bd9Sstevel@tonic-gate ASSERT(ph_impl->usba_ph_data->p_req_count >= 0); 2077c478bd9Sstevel@tonic-gate } 2087c478bd9Sstevel@tonic-gate #endif 2097c478bd9Sstevel@tonic-gate ph_impl->usba_ph_ref_count--; 2107c478bd9Sstevel@tonic-gate ASSERT(ph_impl->usba_ph_ref_count >= 0); 2117c478bd9Sstevel@tonic-gate 2127c478bd9Sstevel@tonic-gate mutex_exit(&ph_impl->usba_ph_mutex); 2137c478bd9Sstevel@tonic-gate } 2147c478bd9Sstevel@tonic-gate } 2157c478bd9Sstevel@tonic-gate 2167c478bd9Sstevel@tonic-gate 2177c478bd9Sstevel@tonic-gate /* 2187c478bd9Sstevel@tonic-gate * get pipe state from ph_data 2197c478bd9Sstevel@tonic-gate */ 2207c478bd9Sstevel@tonic-gate usb_pipe_state_t 2217c478bd9Sstevel@tonic-gate usba_get_ph_state(usba_pipe_handle_data_t *ph_data) 2227c478bd9Sstevel@tonic-gate { 2237c478bd9Sstevel@tonic-gate usba_ph_impl_t *ph_impl = ph_data->p_ph_impl; 2247c478bd9Sstevel@tonic-gate usb_pipe_state_t pipe_state; 2257c478bd9Sstevel@tonic-gate 2267c478bd9Sstevel@tonic-gate ASSERT(mutex_owned(&ph_data->p_mutex)); 2277c478bd9Sstevel@tonic-gate mutex_enter(&ph_impl->usba_ph_mutex); 2287c478bd9Sstevel@tonic-gate pipe_state = ph_impl->usba_ph_state; 2297c478bd9Sstevel@tonic-gate mutex_exit(&ph_impl->usba_ph_mutex); 2307c478bd9Sstevel@tonic-gate 2317c478bd9Sstevel@tonic-gate return (pipe_state); 2327c478bd9Sstevel@tonic-gate } 2337c478bd9Sstevel@tonic-gate 2347c478bd9Sstevel@tonic-gate 2357c478bd9Sstevel@tonic-gate /* 2367c478bd9Sstevel@tonic-gate * get ref_count from ph_data 2377c478bd9Sstevel@tonic-gate */ 2387c478bd9Sstevel@tonic-gate int 2397c478bd9Sstevel@tonic-gate usba_get_ph_ref_count(usba_pipe_handle_data_t *ph_data) 2407c478bd9Sstevel@tonic-gate { 2417c478bd9Sstevel@tonic-gate usba_ph_impl_t *ph_impl = ph_data->p_ph_impl; 2427c478bd9Sstevel@tonic-gate int ref_count; 2437c478bd9Sstevel@tonic-gate 2447c478bd9Sstevel@tonic-gate mutex_enter(&ph_impl->usba_ph_mutex); 2457c478bd9Sstevel@tonic-gate ref_count = ph_impl->usba_ph_ref_count; 2467c478bd9Sstevel@tonic-gate mutex_exit(&ph_impl->usba_ph_mutex); 2477c478bd9Sstevel@tonic-gate 2487c478bd9Sstevel@tonic-gate return (ref_count); 2497c478bd9Sstevel@tonic-gate } 2507c478bd9Sstevel@tonic-gate 2517c478bd9Sstevel@tonic-gate 2527c478bd9Sstevel@tonic-gate /* 2537c478bd9Sstevel@tonic-gate * new pipe state 2547c478bd9Sstevel@tonic-gate * We need to hold both pipe mutex and ph_impl mutex 2557c478bd9Sstevel@tonic-gate */ 2567c478bd9Sstevel@tonic-gate void 2577c478bd9Sstevel@tonic-gate usba_pipe_new_state(usba_pipe_handle_data_t *ph_data, usb_pipe_state_t state) 2587c478bd9Sstevel@tonic-gate { 2597c478bd9Sstevel@tonic-gate usba_ph_impl_t *ph_impl = ph_data->p_ph_impl; 2607c478bd9Sstevel@tonic-gate 2617c478bd9Sstevel@tonic-gate ASSERT(mutex_owned(&ph_data->p_mutex)); 2627c478bd9Sstevel@tonic-gate 2637c478bd9Sstevel@tonic-gate mutex_enter(&ph_impl->usba_ph_mutex); 2647c478bd9Sstevel@tonic-gate ASSERT(ph_data->p_req_count >= 0); 2657c478bd9Sstevel@tonic-gate ASSERT(ph_impl->usba_ph_ref_count >= 0); 2667c478bd9Sstevel@tonic-gate 2677c478bd9Sstevel@tonic-gate USB_DPRINTF_L4(DPRINT_MASK_USBAI, usbai_log_handle, 2687c478bd9Sstevel@tonic-gate "usba_pipe_new_state: " 2697c478bd9Sstevel@tonic-gate "ph_data=0x%p old=%s new=%s ref=%d req=%d", 2707c478bd9Sstevel@tonic-gate ph_data, usb_str_pipe_state(ph_impl->usba_ph_state), 2717c478bd9Sstevel@tonic-gate usb_str_pipe_state(state), 2727c478bd9Sstevel@tonic-gate ph_impl->usba_ph_ref_count, ph_data->p_req_count); 2737c478bd9Sstevel@tonic-gate 2747c478bd9Sstevel@tonic-gate switch (ph_impl->usba_ph_state) { 2757c478bd9Sstevel@tonic-gate case USB_PIPE_STATE_IDLE: 2767c478bd9Sstevel@tonic-gate case USB_PIPE_STATE_ACTIVE: 2777c478bd9Sstevel@tonic-gate case USB_PIPE_STATE_ERROR: 2787c478bd9Sstevel@tonic-gate case USB_PIPE_STATE_CLOSED: 2797c478bd9Sstevel@tonic-gate ph_impl->usba_ph_state = state; 2807c478bd9Sstevel@tonic-gate break; 2817c478bd9Sstevel@tonic-gate case USB_PIPE_STATE_CLOSING: 2827c478bd9Sstevel@tonic-gate default: 2837c478bd9Sstevel@tonic-gate break; 2847c478bd9Sstevel@tonic-gate } 2857c478bd9Sstevel@tonic-gate mutex_exit(&ph_impl->usba_ph_mutex); 2867c478bd9Sstevel@tonic-gate } 2877c478bd9Sstevel@tonic-gate 2887c478bd9Sstevel@tonic-gate 2897c478bd9Sstevel@tonic-gate /* 2907c478bd9Sstevel@tonic-gate * async function execution support 2917c478bd9Sstevel@tonic-gate * Arguments: 2927c478bd9Sstevel@tonic-gate * dip - devinfo pointer 2937c478bd9Sstevel@tonic-gate * sync_func - function to be executed 2947c478bd9Sstevel@tonic-gate * ph_impl - impl pipehandle 2957c478bd9Sstevel@tonic-gate * arg - opaque arg 2967c478bd9Sstevel@tonic-gate * usb_flags - none 2977c478bd9Sstevel@tonic-gate * callback - function to be called on completion, may be NULL 2987c478bd9Sstevel@tonic-gate * callback_arg - argument for callback function 2997c478bd9Sstevel@tonic-gate * 3007c478bd9Sstevel@tonic-gate * Note: The caller must do a hold on ph_data 3017c478bd9Sstevel@tonic-gate * We sleep for memory resources and taskq_dispatch which will ensure 3027c478bd9Sstevel@tonic-gate * that this function succeeds 3037c478bd9Sstevel@tonic-gate */ 3047c478bd9Sstevel@tonic-gate int 3057c478bd9Sstevel@tonic-gate usba_pipe_setup_func_call( 3067c478bd9Sstevel@tonic-gate dev_info_t *dip, 3077c478bd9Sstevel@tonic-gate int (*sync_func)(dev_info_t *, 3087c478bd9Sstevel@tonic-gate usba_ph_impl_t *, usba_pipe_async_req_t *, 3097c478bd9Sstevel@tonic-gate usb_flags_t), 3107c478bd9Sstevel@tonic-gate usba_ph_impl_t *ph_impl, 3117c478bd9Sstevel@tonic-gate usb_opaque_t arg, 3127c478bd9Sstevel@tonic-gate usb_flags_t usb_flags, 3137c478bd9Sstevel@tonic-gate void (*callback)(usb_pipe_handle_t, 3147c478bd9Sstevel@tonic-gate usb_opaque_t, int, usb_cb_flags_t), 3157c478bd9Sstevel@tonic-gate usb_opaque_t callback_arg) 3167c478bd9Sstevel@tonic-gate { 3177c478bd9Sstevel@tonic-gate usba_pipe_async_req_t *request; 3187c478bd9Sstevel@tonic-gate usb_pipe_handle_t pipe_handle = (usb_pipe_handle_t)ph_impl; 3197c478bd9Sstevel@tonic-gate usba_pipe_handle_data_t *ph_data = ph_impl->usba_ph_data; 3207c478bd9Sstevel@tonic-gate int rval = USB_SUCCESS; 3217c478bd9Sstevel@tonic-gate usb_cb_flags_t callback_flags; 3227c478bd9Sstevel@tonic-gate 3237c478bd9Sstevel@tonic-gate USB_DPRINTF_L3(DPRINT_MASK_USBAI, usbai_log_handle, 3247c478bd9Sstevel@tonic-gate "usba_pipe_setup_func_call: ph_impl=0x%p, func=0x%p", 3257c478bd9Sstevel@tonic-gate ph_impl, sync_func); 3267c478bd9Sstevel@tonic-gate 3277c478bd9Sstevel@tonic-gate if (((usb_flags & USB_FLAGS_SLEEP) == 0) && (callback == NULL)) { 3287c478bd9Sstevel@tonic-gate usba_release_ph_data(ph_impl); 329*d291d9f2Sfrits USB_DPRINTF_L2(DPRINT_MASK_USBAI, usbai_log_handle, 3307c478bd9Sstevel@tonic-gate "usba_pipe_setup_func_call: async request with " 3317c478bd9Sstevel@tonic-gate "no callback"); 3327c478bd9Sstevel@tonic-gate 3337c478bd9Sstevel@tonic-gate return (USB_INVALID_ARGS); 3347c478bd9Sstevel@tonic-gate } 3357c478bd9Sstevel@tonic-gate 3367c478bd9Sstevel@tonic-gate request = kmem_zalloc(sizeof (usba_pipe_async_req_t), KM_SLEEP); 3377c478bd9Sstevel@tonic-gate request->dip = dip; 3387c478bd9Sstevel@tonic-gate request->ph_impl = ph_impl; 3397c478bd9Sstevel@tonic-gate request->arg = arg; 3407c478bd9Sstevel@tonic-gate 3417c478bd9Sstevel@tonic-gate /* 3427c478bd9Sstevel@tonic-gate * OR in sleep flag. regardless of calling sync_func directly 3437c478bd9Sstevel@tonic-gate * or in a new thread, we will always wait for completion 3447c478bd9Sstevel@tonic-gate */ 3457c478bd9Sstevel@tonic-gate request->usb_flags = usb_flags | USB_FLAGS_SLEEP; 3467c478bd9Sstevel@tonic-gate request->sync_func = sync_func; 3477c478bd9Sstevel@tonic-gate request->callback = callback; 3487c478bd9Sstevel@tonic-gate request->callback_arg = callback_arg; 3497c478bd9Sstevel@tonic-gate 3507c478bd9Sstevel@tonic-gate if (usb_flags & USB_FLAGS_SLEEP) { 3517c478bd9Sstevel@tonic-gate rval = sync_func(dip, ph_impl, request, usb_flags); 3527c478bd9Sstevel@tonic-gate kmem_free(request, sizeof (usba_pipe_async_req_t)); 3537c478bd9Sstevel@tonic-gate 3547c478bd9Sstevel@tonic-gate } else if (usba_async_ph_req(ph_data, 3557c478bd9Sstevel@tonic-gate usba_pipe_do_async_func_thread, 3567c478bd9Sstevel@tonic-gate (void *)request, USB_FLAGS_SLEEP) != USB_SUCCESS) { 3577c478bd9Sstevel@tonic-gate USB_DPRINTF_L2(DPRINT_MASK_USBAI, usbai_log_handle, 3587c478bd9Sstevel@tonic-gate "usb_async_req failed: ph_impl=0x%p, func=0x%p", 3597c478bd9Sstevel@tonic-gate ph_impl, sync_func); 3607c478bd9Sstevel@tonic-gate 3617c478bd9Sstevel@tonic-gate if (callback) { 3627c478bd9Sstevel@tonic-gate callback_flags = 3637c478bd9Sstevel@tonic-gate usba_check_intr_context(USB_CB_ASYNC_REQ_FAILED); 3647c478bd9Sstevel@tonic-gate callback(pipe_handle, callback_arg, USB_FAILURE, 3657c478bd9Sstevel@tonic-gate callback_flags); 3667c478bd9Sstevel@tonic-gate } 3677c478bd9Sstevel@tonic-gate 3687c478bd9Sstevel@tonic-gate kmem_free(request, sizeof (usba_pipe_async_req_t)); 3697c478bd9Sstevel@tonic-gate usba_release_ph_data(ph_impl); 3707c478bd9Sstevel@tonic-gate } 3717c478bd9Sstevel@tonic-gate 3727c478bd9Sstevel@tonic-gate return (rval); 3737c478bd9Sstevel@tonic-gate } 3747c478bd9Sstevel@tonic-gate 3757c478bd9Sstevel@tonic-gate 3767c478bd9Sstevel@tonic-gate /* 3777c478bd9Sstevel@tonic-gate * taskq thread function to execute function synchronously 3787c478bd9Sstevel@tonic-gate * Note: caller must have done a hold on ph_data 3797c478bd9Sstevel@tonic-gate */ 3807c478bd9Sstevel@tonic-gate static void 3817c478bd9Sstevel@tonic-gate usba_pipe_do_async_func_thread(void *arg) 3827c478bd9Sstevel@tonic-gate { 3837c478bd9Sstevel@tonic-gate usba_pipe_async_req_t *request = (usba_pipe_async_req_t *)arg; 3847c478bd9Sstevel@tonic-gate usba_ph_impl_t *ph_impl = request->ph_impl; 3857c478bd9Sstevel@tonic-gate usb_pipe_handle_t pipe_handle = (usb_pipe_handle_t)ph_impl; 3867c478bd9Sstevel@tonic-gate int rval; 3877c478bd9Sstevel@tonic-gate usb_cb_flags_t cb_flags = USB_CB_NO_INFO; 3887c478bd9Sstevel@tonic-gate 3897c478bd9Sstevel@tonic-gate if ((rval = request->sync_func(request->dip, ph_impl, 3907c478bd9Sstevel@tonic-gate request, request->usb_flags | USB_FLAGS_SLEEP)) != 3917c478bd9Sstevel@tonic-gate USB_SUCCESS) { 3927c478bd9Sstevel@tonic-gate USB_DPRINTF_L2(DPRINT_MASK_USBAI, usbai_log_handle, 3937c478bd9Sstevel@tonic-gate "sync func failed (%d)", rval); 3947c478bd9Sstevel@tonic-gate } 3957c478bd9Sstevel@tonic-gate 3967c478bd9Sstevel@tonic-gate if (request->callback) { 3977c478bd9Sstevel@tonic-gate request->callback(pipe_handle, request->callback_arg, rval, 3987c478bd9Sstevel@tonic-gate cb_flags); 3997c478bd9Sstevel@tonic-gate } 4007c478bd9Sstevel@tonic-gate 4017c478bd9Sstevel@tonic-gate kmem_free(request, sizeof (usba_pipe_async_req_t)); 4027c478bd9Sstevel@tonic-gate } 4037c478bd9Sstevel@tonic-gate 4047c478bd9Sstevel@tonic-gate 4057c478bd9Sstevel@tonic-gate /* 4067c478bd9Sstevel@tonic-gate * default endpoint descriptor and pipe policy 4077c478bd9Sstevel@tonic-gate */ 4087c478bd9Sstevel@tonic-gate usb_ep_descr_t usba_default_ep_descr = 4097c478bd9Sstevel@tonic-gate {7, 5, 0, USB_EP_ATTR_CONTROL, 8, 0}; 4107c478bd9Sstevel@tonic-gate 4117c478bd9Sstevel@tonic-gate /* set some meaningful defaults */ 4127c478bd9Sstevel@tonic-gate static usb_pipe_policy_t usba_default_ep_pipe_policy = {3}; 4137c478bd9Sstevel@tonic-gate 4147c478bd9Sstevel@tonic-gate 4157c478bd9Sstevel@tonic-gate /* 4167c478bd9Sstevel@tonic-gate * usb_get_ep_index: create an index from endpoint address that can 4177c478bd9Sstevel@tonic-gate * be used to index into endpoint pipe lists 4187c478bd9Sstevel@tonic-gate */ 4197c478bd9Sstevel@tonic-gate uchar_t 4207c478bd9Sstevel@tonic-gate usb_get_ep_index(uint8_t ep_addr) 4217c478bd9Sstevel@tonic-gate { 4227c478bd9Sstevel@tonic-gate return ((ep_addr & USB_EP_NUM_MASK) + 4237c478bd9Sstevel@tonic-gate ((ep_addr & USB_EP_DIR_MASK) ? 16 : 0)); 4247c478bd9Sstevel@tonic-gate } 4257c478bd9Sstevel@tonic-gate 4267c478bd9Sstevel@tonic-gate 4277c478bd9Sstevel@tonic-gate /* 4287c478bd9Sstevel@tonic-gate * pipe management 4297c478bd9Sstevel@tonic-gate * utility functions to init and destroy a pipehandle 4307c478bd9Sstevel@tonic-gate */ 4317c478bd9Sstevel@tonic-gate static int 4327c478bd9Sstevel@tonic-gate usba_init_pipe_handle(dev_info_t *dip, 4337c478bd9Sstevel@tonic-gate usba_device_t *usba_device, 4347c478bd9Sstevel@tonic-gate usb_ep_descr_t *ep, 4357c478bd9Sstevel@tonic-gate usb_pipe_policy_t *pipe_policy, 4367c478bd9Sstevel@tonic-gate usba_ph_impl_t *ph_impl) 4377c478bd9Sstevel@tonic-gate { 4387c478bd9Sstevel@tonic-gate int instance = ddi_get_instance(dip); 4397c478bd9Sstevel@tonic-gate unsigned int def_instance = instance; 4407c478bd9Sstevel@tonic-gate static unsigned int anon_instance = 0; 4417c478bd9Sstevel@tonic-gate char tq_name[TASKQ_NAMELEN]; 4427c478bd9Sstevel@tonic-gate 4437c478bd9Sstevel@tonic-gate usba_pipe_handle_data_t *ph_data = ph_impl->usba_ph_data; 4447c478bd9Sstevel@tonic-gate ddi_iblock_cookie_t iblock_cookie = 4457c478bd9Sstevel@tonic-gate usba_hcdi_get_hcdi(usba_device->usb_root_hub_dip)-> 4467c478bd9Sstevel@tonic-gate hcdi_iblock_cookie; 4477c478bd9Sstevel@tonic-gate 4487c478bd9Sstevel@tonic-gate USB_DPRINTF_L4(DPRINT_MASK_USBAI, usbai_log_handle, 4497c478bd9Sstevel@tonic-gate "usba_init_pipe_handle: " 4507c478bd9Sstevel@tonic-gate "usba_device=0x%p ep=0x%x", usba_device, ep->bEndpointAddress); 4517c478bd9Sstevel@tonic-gate mutex_init(&ph_data->p_mutex, NULL, MUTEX_DRIVER, iblock_cookie); 4527c478bd9Sstevel@tonic-gate 4537c478bd9Sstevel@tonic-gate /* just to keep warlock happy, there is no contention yet */ 4547c478bd9Sstevel@tonic-gate mutex_enter(&ph_data->p_mutex); 4557c478bd9Sstevel@tonic-gate mutex_enter(&usba_device->usb_mutex); 4567c478bd9Sstevel@tonic-gate 4577c478bd9Sstevel@tonic-gate ASSERT(pipe_policy->pp_max_async_reqs); 4587c478bd9Sstevel@tonic-gate 4597c478bd9Sstevel@tonic-gate if (instance != -1) { 4607c478bd9Sstevel@tonic-gate (void) snprintf(tq_name, sizeof (tq_name), 4617c478bd9Sstevel@tonic-gate "USB_%s_%x_pipehndl_tq_%d", 4627c478bd9Sstevel@tonic-gate ddi_driver_name(dip), ep->bEndpointAddress, instance); 4637c478bd9Sstevel@tonic-gate } else { 4647c478bd9Sstevel@tonic-gate def_instance = atomic_add_32_nv(&anon_instance, 1); 4657c478bd9Sstevel@tonic-gate 4667c478bd9Sstevel@tonic-gate (void) snprintf(tq_name, sizeof (tq_name), 4677c478bd9Sstevel@tonic-gate "USB_%s_%x_pipehndl_tq_%d_", 4687c478bd9Sstevel@tonic-gate ddi_driver_name(dip), ep->bEndpointAddress, def_instance); 4697c478bd9Sstevel@tonic-gate } 4707c478bd9Sstevel@tonic-gate 4717c478bd9Sstevel@tonic-gate ph_data->p_taskq = taskq_create(tq_name, 4727c478bd9Sstevel@tonic-gate pipe_policy->pp_max_async_reqs + 1, 4737c478bd9Sstevel@tonic-gate ((ep->bmAttributes & USB_EP_ATTR_MASK) == 4747c478bd9Sstevel@tonic-gate USB_EP_ATTR_ISOCH) ? 4757c478bd9Sstevel@tonic-gate (maxclsyspri - 5) : minclsyspri, 4767c478bd9Sstevel@tonic-gate 2 * (pipe_policy->pp_max_async_reqs + 1), 4777c478bd9Sstevel@tonic-gate 8 * (pipe_policy->pp_max_async_reqs + 1), 4787c478bd9Sstevel@tonic-gate TASKQ_PREPOPULATE); 4797c478bd9Sstevel@tonic-gate 4807c478bd9Sstevel@tonic-gate /* 4817c478bd9Sstevel@tonic-gate * Create a shared taskq. 4827c478bd9Sstevel@tonic-gate */ 4837c478bd9Sstevel@tonic-gate if (ph_data->p_spec_flag & USBA_PH_FLAG_TQ_SHARE) { 4847c478bd9Sstevel@tonic-gate int iface = usb_get_if_number(dip); 4857c478bd9Sstevel@tonic-gate if (iface < 0) { 4867c478bd9Sstevel@tonic-gate /* we own the device, use first entry */ 4877c478bd9Sstevel@tonic-gate iface = 0; 4887c478bd9Sstevel@tonic-gate } 4897c478bd9Sstevel@tonic-gate 4907c478bd9Sstevel@tonic-gate if (instance != -1) { 4917c478bd9Sstevel@tonic-gate (void) snprintf(tq_name, sizeof (tq_name), 4927c478bd9Sstevel@tonic-gate "USB_%s_%x_shared_tq_%d", 4937c478bd9Sstevel@tonic-gate ddi_driver_name(dip), ep->bEndpointAddress, 4947c478bd9Sstevel@tonic-gate instance); 4957c478bd9Sstevel@tonic-gate } else { 4967c478bd9Sstevel@tonic-gate (void) snprintf(tq_name, sizeof (tq_name), 4977c478bd9Sstevel@tonic-gate "USB_%s_%x_shared_tq_%d_", 4987c478bd9Sstevel@tonic-gate ddi_driver_name(dip), ep->bEndpointAddress, 4997c478bd9Sstevel@tonic-gate def_instance); 5007c478bd9Sstevel@tonic-gate } 5017c478bd9Sstevel@tonic-gate 5027c478bd9Sstevel@tonic-gate if (usba_device->usb_shared_taskq_ref_count[iface] == 0) { 5037c478bd9Sstevel@tonic-gate usba_device->usb_shared_taskq[iface] = 5047c478bd9Sstevel@tonic-gate taskq_create(tq_name, 5057c478bd9Sstevel@tonic-gate 1, /* Number threads. */ 5067c478bd9Sstevel@tonic-gate maxclsyspri - 5, /* Priority */ 5077c478bd9Sstevel@tonic-gate 1, /* minalloc */ 5087c478bd9Sstevel@tonic-gate USBA_N_ENDPOINTS + 4, /* maxalloc */ 5097c478bd9Sstevel@tonic-gate TASKQ_PREPOPULATE); 5107c478bd9Sstevel@tonic-gate ASSERT(usba_device->usb_shared_taskq[iface] != NULL); 5117c478bd9Sstevel@tonic-gate } 5127c478bd9Sstevel@tonic-gate usba_device->usb_shared_taskq_ref_count[iface]++; 5137c478bd9Sstevel@tonic-gate } 5147c478bd9Sstevel@tonic-gate 5157c478bd9Sstevel@tonic-gate ph_data->p_dip = dip; 5167c478bd9Sstevel@tonic-gate ph_data->p_usba_device = usba_device; 5177c478bd9Sstevel@tonic-gate ph_data->p_ep = *ep; 5187c478bd9Sstevel@tonic-gate ph_data->p_ph_impl = ph_impl; 5197c478bd9Sstevel@tonic-gate if ((ep->bmAttributes & USB_EP_ATTR_MASK) == 5207c478bd9Sstevel@tonic-gate USB_EP_ATTR_ISOCH) { 5217c478bd9Sstevel@tonic-gate ph_data->p_spec_flag |= USBA_PH_FLAG_USE_SOFT_INTR; 5227c478bd9Sstevel@tonic-gate } 5237c478bd9Sstevel@tonic-gate 5247c478bd9Sstevel@tonic-gate /* fix up the MaxPacketSize if it is the default endpoint descr */ 5257c478bd9Sstevel@tonic-gate if ((ep == &usba_default_ep_descr) && usba_device) { 5267c478bd9Sstevel@tonic-gate USB_DPRINTF_L3(DPRINT_MASK_USBAI, usbai_log_handle, 5277c478bd9Sstevel@tonic-gate "adjusting max packet size from %d to %d", 5287c478bd9Sstevel@tonic-gate ph_data->p_ep.wMaxPacketSize, 5297c478bd9Sstevel@tonic-gate usba_device->usb_dev_descr->bMaxPacketSize0); 5307c478bd9Sstevel@tonic-gate 5317c478bd9Sstevel@tonic-gate ph_data->p_ep.wMaxPacketSize = usba_device->usb_dev_descr-> 5327c478bd9Sstevel@tonic-gate bMaxPacketSize0; 5337c478bd9Sstevel@tonic-gate } 5347c478bd9Sstevel@tonic-gate 5357c478bd9Sstevel@tonic-gate /* now update usba_ph_impl structure */ 5367c478bd9Sstevel@tonic-gate mutex_enter(&ph_impl->usba_ph_mutex); 5377c478bd9Sstevel@tonic-gate ph_impl->usba_ph_dip = dip; 5387c478bd9Sstevel@tonic-gate ph_impl->usba_ph_ep = ph_data->p_ep; 5397c478bd9Sstevel@tonic-gate ph_impl->usba_ph_policy = ph_data->p_policy = *pipe_policy; 5407c478bd9Sstevel@tonic-gate mutex_exit(&ph_impl->usba_ph_mutex); 5417c478bd9Sstevel@tonic-gate 5427c478bd9Sstevel@tonic-gate usba_init_list(&ph_data->p_queue, (usb_opaque_t)ph_data, iblock_cookie); 5437c478bd9Sstevel@tonic-gate usba_init_list(&ph_data->p_cb_queue, (usb_opaque_t)ph_data, 5447c478bd9Sstevel@tonic-gate iblock_cookie); 5457c478bd9Sstevel@tonic-gate mutex_exit(&usba_device->usb_mutex); 5467c478bd9Sstevel@tonic-gate mutex_exit(&ph_data->p_mutex); 5477c478bd9Sstevel@tonic-gate 5487c478bd9Sstevel@tonic-gate return (USB_SUCCESS); 5497c478bd9Sstevel@tonic-gate } 5507c478bd9Sstevel@tonic-gate 5517c478bd9Sstevel@tonic-gate 5527c478bd9Sstevel@tonic-gate static void 5537c478bd9Sstevel@tonic-gate usba_taskq_destroy(void *arg) 5547c478bd9Sstevel@tonic-gate { 5557c478bd9Sstevel@tonic-gate taskq_destroy((taskq_t *)arg); 5567c478bd9Sstevel@tonic-gate } 5577c478bd9Sstevel@tonic-gate 5587c478bd9Sstevel@tonic-gate 5597c478bd9Sstevel@tonic-gate static void 5607c478bd9Sstevel@tonic-gate usba_destroy_pipe_handle(usba_pipe_handle_data_t *ph_data) 5617c478bd9Sstevel@tonic-gate { 5627c478bd9Sstevel@tonic-gate usba_ph_impl_t *ph_impl = ph_data->p_ph_impl; 5637c478bd9Sstevel@tonic-gate int timeout; 5647c478bd9Sstevel@tonic-gate usba_device_t *usba_device; 5657c478bd9Sstevel@tonic-gate 5667c478bd9Sstevel@tonic-gate USB_DPRINTF_L4(DPRINT_MASK_USBAI, usbai_log_handle, 5677c478bd9Sstevel@tonic-gate "usba_destroy_pipe_handle: ph_data=0x%p", ph_data); 5687c478bd9Sstevel@tonic-gate 5697c478bd9Sstevel@tonic-gate mutex_enter(&ph_data->p_mutex); 5707c478bd9Sstevel@tonic-gate mutex_enter(&ph_impl->usba_ph_mutex); 5717c478bd9Sstevel@tonic-gate 5727c478bd9Sstevel@tonic-gate /* check for all activity to drain */ 5737c478bd9Sstevel@tonic-gate for (timeout = 0; timeout < usba_drain_timeout; timeout++) { 5747c478bd9Sstevel@tonic-gate if ((ph_impl->usba_ph_ref_count <= 1) && 5757c478bd9Sstevel@tonic-gate (ph_data->p_req_count == 0)) { 5767c478bd9Sstevel@tonic-gate 5777c478bd9Sstevel@tonic-gate break; 5787c478bd9Sstevel@tonic-gate } 5797c478bd9Sstevel@tonic-gate mutex_exit(&ph_data->p_mutex); 5807c478bd9Sstevel@tonic-gate mutex_exit(&ph_impl->usba_ph_mutex); 5817c478bd9Sstevel@tonic-gate delay(drv_usectohz(1000)); 5827c478bd9Sstevel@tonic-gate mutex_enter(&ph_data->p_mutex); 5837c478bd9Sstevel@tonic-gate mutex_enter(&ph_impl->usba_ph_mutex); 5847c478bd9Sstevel@tonic-gate } 5857c478bd9Sstevel@tonic-gate 5867c478bd9Sstevel@tonic-gate /* 5877c478bd9Sstevel@tonic-gate * set state to closed here so any other thread 5887c478bd9Sstevel@tonic-gate * that is waiting for the CLOSED state will 5897c478bd9Sstevel@tonic-gate * continue. Otherwise, taskq_destroy might deadlock 5907c478bd9Sstevel@tonic-gate */ 5917c478bd9Sstevel@tonic-gate ph_impl->usba_ph_data = NULL; 5927c478bd9Sstevel@tonic-gate ph_impl->usba_ph_ref_count = 0; 5937c478bd9Sstevel@tonic-gate ph_impl->usba_ph_state = USB_PIPE_STATE_CLOSED; 5947c478bd9Sstevel@tonic-gate 5957c478bd9Sstevel@tonic-gate if (ph_data->p_taskq) { 5967c478bd9Sstevel@tonic-gate mutex_exit(&ph_data->p_mutex); 5977c478bd9Sstevel@tonic-gate mutex_exit(&ph_impl->usba_ph_mutex); 5987c478bd9Sstevel@tonic-gate if (taskq_member(ph_data->p_taskq, curthread)) { 5997c478bd9Sstevel@tonic-gate /* 6007c478bd9Sstevel@tonic-gate * use system taskq to destroy ph's taskq to avoid 6017c478bd9Sstevel@tonic-gate * deadlock 6027c478bd9Sstevel@tonic-gate */ 6037c478bd9Sstevel@tonic-gate (void) taskq_dispatch(system_taskq, 6047c478bd9Sstevel@tonic-gate usba_taskq_destroy, ph_data->p_taskq, TQ_SLEEP); 6057c478bd9Sstevel@tonic-gate } else { 6067c478bd9Sstevel@tonic-gate taskq_destroy(ph_data->p_taskq); 6077c478bd9Sstevel@tonic-gate } 6087c478bd9Sstevel@tonic-gate } else { 6097c478bd9Sstevel@tonic-gate mutex_exit(&ph_data->p_mutex); 6107c478bd9Sstevel@tonic-gate mutex_exit(&ph_impl->usba_ph_mutex); 6117c478bd9Sstevel@tonic-gate } 6127c478bd9Sstevel@tonic-gate 6137c478bd9Sstevel@tonic-gate usba_device = ph_data->p_usba_device; 6147c478bd9Sstevel@tonic-gate mutex_enter(&ph_data->p_mutex); 6157c478bd9Sstevel@tonic-gate if (ph_data->p_spec_flag & USBA_PH_FLAG_TQ_SHARE) { 6167c478bd9Sstevel@tonic-gate int iface = usb_get_if_number(ph_data->p_dip); 6177c478bd9Sstevel@tonic-gate if (iface < 0) { 6187c478bd9Sstevel@tonic-gate /* we own the device, use the first entry */ 6197c478bd9Sstevel@tonic-gate iface = 0; 6207c478bd9Sstevel@tonic-gate } 6217c478bd9Sstevel@tonic-gate mutex_enter(&usba_device->usb_mutex); 6227c478bd9Sstevel@tonic-gate if (--usba_device->usb_shared_taskq_ref_count[iface] == 0) { 6237c478bd9Sstevel@tonic-gate ph_data->p_spec_flag &= ~USBA_PH_FLAG_TQ_SHARE; 6247c478bd9Sstevel@tonic-gate if (taskq_member(usba_device->usb_shared_taskq[iface], 6257c478bd9Sstevel@tonic-gate curthread)) { 6267c478bd9Sstevel@tonic-gate (void) taskq_dispatch( 6277c478bd9Sstevel@tonic-gate system_taskq, 6287c478bd9Sstevel@tonic-gate usba_taskq_destroy, 6297c478bd9Sstevel@tonic-gate usba_device->usb_shared_taskq[iface], 6307c478bd9Sstevel@tonic-gate TQ_SLEEP); 6317c478bd9Sstevel@tonic-gate } else { 6327c478bd9Sstevel@tonic-gate taskq_destroy( 6337c478bd9Sstevel@tonic-gate usba_device->usb_shared_taskq[iface]); 6347c478bd9Sstevel@tonic-gate } 6357c478bd9Sstevel@tonic-gate } 6367c478bd9Sstevel@tonic-gate mutex_exit(&usba_device->usb_mutex); 6377c478bd9Sstevel@tonic-gate } 6387c478bd9Sstevel@tonic-gate mutex_exit(&ph_data->p_mutex); 6397c478bd9Sstevel@tonic-gate 6407c478bd9Sstevel@tonic-gate 6417c478bd9Sstevel@tonic-gate USB_DPRINTF_L4(DPRINT_MASK_USBAI, usbai_log_handle, 6427c478bd9Sstevel@tonic-gate "usba_destroy_pipe_handle: destroying ph_data=0x%p", ph_data); 6437c478bd9Sstevel@tonic-gate 6447c478bd9Sstevel@tonic-gate usba_destroy_list(&ph_data->p_queue); 6457c478bd9Sstevel@tonic-gate usba_destroy_list(&ph_data->p_cb_queue); 6467c478bd9Sstevel@tonic-gate 6477c478bd9Sstevel@tonic-gate /* destroy mutexes */ 6487c478bd9Sstevel@tonic-gate mutex_destroy(&ph_data->p_mutex); 6497c478bd9Sstevel@tonic-gate 6507c478bd9Sstevel@tonic-gate kmem_free(ph_data, sizeof (usba_pipe_handle_data_t)); 6517c478bd9Sstevel@tonic-gate } 6527c478bd9Sstevel@tonic-gate 6537c478bd9Sstevel@tonic-gate 6547c478bd9Sstevel@tonic-gate /* 6557c478bd9Sstevel@tonic-gate * usba_drain_cbs: 6567c478bd9Sstevel@tonic-gate * Drain the request callbacks on the pipe handle 6577c478bd9Sstevel@tonic-gate */ 6587c478bd9Sstevel@tonic-gate int 6597c478bd9Sstevel@tonic-gate usba_drain_cbs(usba_pipe_handle_data_t *ph_data, usb_cb_flags_t cb_flags, 6607c478bd9Sstevel@tonic-gate usb_cr_t cr) 6617c478bd9Sstevel@tonic-gate { 6627c478bd9Sstevel@tonic-gate usba_req_wrapper_t *req_wrp; 6637c478bd9Sstevel@tonic-gate int flush_requests = 1; 6647c478bd9Sstevel@tonic-gate usba_ph_impl_t *ph_impl = ph_data->p_ph_impl; 6657c478bd9Sstevel@tonic-gate int timeout; 6667c478bd9Sstevel@tonic-gate int rval = USB_SUCCESS; 6677c478bd9Sstevel@tonic-gate 6687c478bd9Sstevel@tonic-gate ASSERT(mutex_owned(&ph_data->p_mutex)); 6697c478bd9Sstevel@tonic-gate 6707c478bd9Sstevel@tonic-gate mutex_enter(&ph_impl->usba_ph_mutex); 6717c478bd9Sstevel@tonic-gate USB_DPRINTF_L4(DPRINT_MASK_USBAI, usbai_log_handle, 6727c478bd9Sstevel@tonic-gate "usba_drain_cbs: ph_data=0x%p ref=%d req=%d cb=0x%x cr=%d", 6737c478bd9Sstevel@tonic-gate ph_data, ph_impl->usba_ph_ref_count, ph_data->p_req_count, 6747c478bd9Sstevel@tonic-gate cb_flags, cr); 6757c478bd9Sstevel@tonic-gate ASSERT(ph_data->p_req_count >= 0); 6767c478bd9Sstevel@tonic-gate mutex_exit(&ph_impl->usba_ph_mutex); 6777c478bd9Sstevel@tonic-gate 6787c478bd9Sstevel@tonic-gate if (ph_data->p_dip) { 6797c478bd9Sstevel@tonic-gate if (USBA_IS_DEFAULT_PIPE(ph_data)) { 6807c478bd9Sstevel@tonic-gate USB_DPRINTF_L4(DPRINT_MASK_USBAI, 6817c478bd9Sstevel@tonic-gate usbai_log_handle, 6827c478bd9Sstevel@tonic-gate "no flushing on default pipe!"); 6837c478bd9Sstevel@tonic-gate 6847c478bd9Sstevel@tonic-gate flush_requests = 0; 6857c478bd9Sstevel@tonic-gate } 6867c478bd9Sstevel@tonic-gate } 6877c478bd9Sstevel@tonic-gate 6887c478bd9Sstevel@tonic-gate if (flush_requests) { 6897c478bd9Sstevel@tonic-gate /* flush all requests in the pipehandle queue */ 6907c478bd9Sstevel@tonic-gate while ((req_wrp = (usba_req_wrapper_t *) 6917c478bd9Sstevel@tonic-gate usba_rm_first_pvt_from_list(&ph_data->p_queue)) != NULL) { 6927c478bd9Sstevel@tonic-gate mutex_exit(&ph_data->p_mutex); 6937c478bd9Sstevel@tonic-gate usba_do_req_exc_cb(req_wrp, cr, cb_flags); 6947c478bd9Sstevel@tonic-gate mutex_enter(&ph_data->p_mutex); 6957c478bd9Sstevel@tonic-gate } 6967c478bd9Sstevel@tonic-gate } 6977c478bd9Sstevel@tonic-gate 6987c478bd9Sstevel@tonic-gate /* 6997c478bd9Sstevel@tonic-gate * wait for any callbacks in progress but don't wait for 7007c478bd9Sstevel@tonic-gate * for queued requests on the default pipe 7017c478bd9Sstevel@tonic-gate */ 7027c478bd9Sstevel@tonic-gate for (timeout = 0; (timeout < usba_drain_timeout) && 7037c478bd9Sstevel@tonic-gate (ph_data->p_req_count > 7047c478bd9Sstevel@tonic-gate usba_list_entry_count(&ph_data->p_queue)); 7057c478bd9Sstevel@tonic-gate timeout++) { 7067c478bd9Sstevel@tonic-gate mutex_exit(&ph_data->p_mutex); 7077c478bd9Sstevel@tonic-gate delay(drv_usectohz(1000)); 7087c478bd9Sstevel@tonic-gate mutex_enter(&ph_data->p_mutex); 7097c478bd9Sstevel@tonic-gate } 7107c478bd9Sstevel@tonic-gate 7117c478bd9Sstevel@tonic-gate mutex_enter(&ph_impl->usba_ph_mutex); 7127c478bd9Sstevel@tonic-gate USB_DPRINTF_L4(DPRINT_MASK_USBAI, usbai_log_handle, 7137c478bd9Sstevel@tonic-gate "usba_drain_cbs done: ph_data=0x%p ref=%d req=%d", 7147c478bd9Sstevel@tonic-gate ph_data, ph_impl->usba_ph_ref_count, ph_data->p_req_count); 7157c478bd9Sstevel@tonic-gate mutex_exit(&ph_impl->usba_ph_mutex); 7167c478bd9Sstevel@tonic-gate 7177c478bd9Sstevel@tonic-gate if (timeout == usba_drain_timeout) { 7187c478bd9Sstevel@tonic-gate USB_DPRINTF_L2(DPRINT_MASK_USBAI, usbai_log_handle, 7197c478bd9Sstevel@tonic-gate "draining callbacks timed out!"); 7207c478bd9Sstevel@tonic-gate 7217c478bd9Sstevel@tonic-gate rval = USB_FAILURE; 7227c478bd9Sstevel@tonic-gate } 7237c478bd9Sstevel@tonic-gate 7247c478bd9Sstevel@tonic-gate return (rval); 7257c478bd9Sstevel@tonic-gate } 7267c478bd9Sstevel@tonic-gate 7277c478bd9Sstevel@tonic-gate 7287c478bd9Sstevel@tonic-gate /* 7297c478bd9Sstevel@tonic-gate * usb_pipe_open(): 7307c478bd9Sstevel@tonic-gate * 7317c478bd9Sstevel@tonic-gate * Before using any pipe including the default pipe, it should be opened 7327c478bd9Sstevel@tonic-gate * using usb_pipe_open(). On a successful open, a pipe handle is returned 7337c478bd9Sstevel@tonic-gate * for use in other usb_pipe_*() functions 7347c478bd9Sstevel@tonic-gate * 7357c478bd9Sstevel@tonic-gate * The default pipe can only be opened by the hub driver 7367c478bd9Sstevel@tonic-gate * 7377c478bd9Sstevel@tonic-gate * The bandwidth has been allocated and guaranteed on successful 7387c478bd9Sstevel@tonic-gate * opening of an isoc/intr pipes. 7397c478bd9Sstevel@tonic-gate * 7407c478bd9Sstevel@tonic-gate * Only the default pipe can be shared. all other control pipes 7417c478bd9Sstevel@tonic-gate * are excusively opened by default. 7427c478bd9Sstevel@tonic-gate * A pipe policy and endpoint descriptor must always be provided 7437c478bd9Sstevel@tonic-gate * except for default pipe 7447c478bd9Sstevel@tonic-gate * 7457c478bd9Sstevel@tonic-gate * Arguments: 7467c478bd9Sstevel@tonic-gate * dip - devinfo ptr 7477c478bd9Sstevel@tonic-gate * ep - endpoint descriptor pointer 7487c478bd9Sstevel@tonic-gate * pipe_policy - pointer to pipe policy which provides hints on how 7497c478bd9Sstevel@tonic-gate * the pipe will be used. 7507c478bd9Sstevel@tonic-gate * flags - USB_FLAGS_SLEEP wait for resources 7517c478bd9Sstevel@tonic-gate * to become available 7527c478bd9Sstevel@tonic-gate * pipe_handle - a pipe handle pointer. On a successful open, 7537c478bd9Sstevel@tonic-gate * a pipe_handle is returned in this pointer. 7547c478bd9Sstevel@tonic-gate * 7557c478bd9Sstevel@tonic-gate * Return values: 7567c478bd9Sstevel@tonic-gate * USB_SUCCESS - open succeeded 7577c478bd9Sstevel@tonic-gate * USB_FAILURE - unspecified open failure or pipe is already open 7587c478bd9Sstevel@tonic-gate * USB_NO_RESOURCES - no resources were available to complete the open 7597c478bd9Sstevel@tonic-gate * USB_NO_BANDWIDTH - no bandwidth available (isoc/intr pipes) 7607c478bd9Sstevel@tonic-gate * USB_* - refer to usbai.h 7617c478bd9Sstevel@tonic-gate */ 7627c478bd9Sstevel@tonic-gate int 7637c478bd9Sstevel@tonic-gate usb_pipe_open( 7647c478bd9Sstevel@tonic-gate dev_info_t *dip, 7657c478bd9Sstevel@tonic-gate usb_ep_descr_t *ep, 7667c478bd9Sstevel@tonic-gate usb_pipe_policy_t *pipe_policy, 7677c478bd9Sstevel@tonic-gate usb_flags_t usb_flags, 7687c478bd9Sstevel@tonic-gate usb_pipe_handle_t *pipe_handle) 7697c478bd9Sstevel@tonic-gate { 7707c478bd9Sstevel@tonic-gate usba_device_t *usba_device; 7717c478bd9Sstevel@tonic-gate int rval; 7727c478bd9Sstevel@tonic-gate usba_pipe_handle_data_t *ph_data; 7737c478bd9Sstevel@tonic-gate usba_ph_impl_t *ph_impl; 7747c478bd9Sstevel@tonic-gate uchar_t ep_index; 7757c478bd9Sstevel@tonic-gate int kmflag; 7767c478bd9Sstevel@tonic-gate size_t size; 7777c478bd9Sstevel@tonic-gate 7787c478bd9Sstevel@tonic-gate USB_DPRINTF_L4(DPRINT_MASK_USBAI, usbai_log_handle, 7797c478bd9Sstevel@tonic-gate "usb_pipe_open:\n\t" 7807c478bd9Sstevel@tonic-gate "dip=0x%p ep=0x%p pp=0x%p uf=0x%x ph=0x%p", 7817c478bd9Sstevel@tonic-gate dip, ep, pipe_policy, usb_flags, pipe_handle); 7827c478bd9Sstevel@tonic-gate 7837c478bd9Sstevel@tonic-gate if ((dip == NULL) || (pipe_handle == NULL)) { 7847c478bd9Sstevel@tonic-gate 7857c478bd9Sstevel@tonic-gate return (USB_INVALID_ARGS); 7867c478bd9Sstevel@tonic-gate } 7877c478bd9Sstevel@tonic-gate 7887c478bd9Sstevel@tonic-gate if (servicing_interrupt() && (usb_flags & USB_FLAGS_SLEEP)) { 7897c478bd9Sstevel@tonic-gate 7907c478bd9Sstevel@tonic-gate return (USB_INVALID_CONTEXT); 7917c478bd9Sstevel@tonic-gate } 7927c478bd9Sstevel@tonic-gate usba_device = usba_get_usba_device(dip); 7937c478bd9Sstevel@tonic-gate 7947c478bd9Sstevel@tonic-gate if ((ep != NULL) && (pipe_policy == NULL)) { 7957c478bd9Sstevel@tonic-gate USB_DPRINTF_L2(DPRINT_MASK_USBAI, usbai_log_handle, 7967c478bd9Sstevel@tonic-gate "usb_pipe_open: null pipe policy"); 7977c478bd9Sstevel@tonic-gate 7987c478bd9Sstevel@tonic-gate return (USB_INVALID_ARGS); 7997c478bd9Sstevel@tonic-gate } 8007c478bd9Sstevel@tonic-gate 8017c478bd9Sstevel@tonic-gate /* is the device still connected? */ 8027c478bd9Sstevel@tonic-gate if ((ep != NULL) & DEVI_IS_DEVICE_REMOVED(dip)) { 8037c478bd9Sstevel@tonic-gate USB_DPRINTF_L2(DPRINT_MASK_USBAI, usbai_log_handle, 8047c478bd9Sstevel@tonic-gate "usb_pipe_open: device has been removed"); 8057c478bd9Sstevel@tonic-gate 8067c478bd9Sstevel@tonic-gate return (USB_FAILURE); 8077c478bd9Sstevel@tonic-gate } 8087c478bd9Sstevel@tonic-gate 8097c478bd9Sstevel@tonic-gate 8107c478bd9Sstevel@tonic-gate /* 8117c478bd9Sstevel@tonic-gate * if a null endpoint pointer was passed, use the default 8127c478bd9Sstevel@tonic-gate * endpoint descriptor 8137c478bd9Sstevel@tonic-gate */ 8147c478bd9Sstevel@tonic-gate if (ep == NULL) { 8157c478bd9Sstevel@tonic-gate if ((usb_flags & USBA_FLAGS_PRIVILEGED) == 0) { 8167c478bd9Sstevel@tonic-gate USB_DPRINTF_L2(DPRINT_MASK_USBAI, usbai_log_handle, 8177c478bd9Sstevel@tonic-gate "usb_pipe_open: not allowed to open def pipe"); 8187c478bd9Sstevel@tonic-gate 8197c478bd9Sstevel@tonic-gate return (USB_INVALID_PERM); 8207c478bd9Sstevel@tonic-gate } 8217c478bd9Sstevel@tonic-gate 8227c478bd9Sstevel@tonic-gate ep = &usba_default_ep_descr; 8237c478bd9Sstevel@tonic-gate pipe_policy = &usba_default_ep_pipe_policy; 8247c478bd9Sstevel@tonic-gate } 8257c478bd9Sstevel@tonic-gate 8267c478bd9Sstevel@tonic-gate if (usb_flags & USB_FLAGS_SERIALIZED_CB) { 8277c478bd9Sstevel@tonic-gate if (((ep->bmAttributes & USB_EP_ATTR_MASK) == 8287c478bd9Sstevel@tonic-gate USB_EP_ATTR_CONTROL) || 8297c478bd9Sstevel@tonic-gate ((ep->bmAttributes & USB_EP_ATTR_MASK) == 8307c478bd9Sstevel@tonic-gate USB_EP_ATTR_ISOCH)) { 8317c478bd9Sstevel@tonic-gate USB_DPRINTF_L2(DPRINT_MASK_USBAI, usbai_log_handle, 8327c478bd9Sstevel@tonic-gate "usb_pipe_open: shared taskq not allowed with " 8337c478bd9Sstevel@tonic-gate "ctrl or isoch pipe"); 8347c478bd9Sstevel@tonic-gate 8357c478bd9Sstevel@tonic-gate return (USB_INVALID_ARGS); 8367c478bd9Sstevel@tonic-gate } 8377c478bd9Sstevel@tonic-gate } 8387c478bd9Sstevel@tonic-gate 8397c478bd9Sstevel@tonic-gate kmflag = (usb_flags & USB_FLAGS_SLEEP) ? KM_SLEEP : KM_NOSLEEP; 8407c478bd9Sstevel@tonic-gate size = sizeof (usba_pipe_handle_data_t); 8417c478bd9Sstevel@tonic-gate 8427c478bd9Sstevel@tonic-gate if ((ph_data = kmem_zalloc(size, kmflag)) == NULL) { 8437c478bd9Sstevel@tonic-gate 8447c478bd9Sstevel@tonic-gate return (USB_NO_RESOURCES); 8457c478bd9Sstevel@tonic-gate } 8467c478bd9Sstevel@tonic-gate 8477c478bd9Sstevel@tonic-gate /* check if pipe is already open and if so fail */ 8487c478bd9Sstevel@tonic-gate ep_index = usb_get_ep_index(ep->bEndpointAddress); 8497c478bd9Sstevel@tonic-gate ph_impl = &usba_device->usb_ph_list[ep_index]; 8507c478bd9Sstevel@tonic-gate 8517c478bd9Sstevel@tonic-gate mutex_enter(&usba_device->usb_mutex); 8527c478bd9Sstevel@tonic-gate mutex_enter(&ph_impl->usba_ph_mutex); 8537c478bd9Sstevel@tonic-gate 8547c478bd9Sstevel@tonic-gate if (ph_impl->usba_ph_data) { 8557c478bd9Sstevel@tonic-gate USB_DPRINTF_L2(DPRINT_MASK_USBAI, usbai_log_handle, 8567c478bd9Sstevel@tonic-gate "usb_pipe_open: pipe to ep %d already open", ep_index); 8577c478bd9Sstevel@tonic-gate mutex_exit(&ph_impl->usba_ph_mutex); 8587c478bd9Sstevel@tonic-gate mutex_exit(&usba_device->usb_mutex); 8597c478bd9Sstevel@tonic-gate kmem_free(ph_data, size); 8607c478bd9Sstevel@tonic-gate 8617c478bd9Sstevel@tonic-gate return (USB_BUSY); 8627c478bd9Sstevel@tonic-gate } 8637c478bd9Sstevel@tonic-gate 8647c478bd9Sstevel@tonic-gate ph_impl->usba_ph_data = ph_data; 8657c478bd9Sstevel@tonic-gate 8667c478bd9Sstevel@tonic-gate mutex_exit(&ph_impl->usba_ph_mutex); 8677c478bd9Sstevel@tonic-gate mutex_exit(&usba_device->usb_mutex); 8687c478bd9Sstevel@tonic-gate 8697c478bd9Sstevel@tonic-gate if (usb_flags & USB_FLAGS_SERIALIZED_CB) { 8707c478bd9Sstevel@tonic-gate mutex_enter(&ph_data->p_mutex); 8717c478bd9Sstevel@tonic-gate ph_data->p_spec_flag |= USBA_PH_FLAG_TQ_SHARE; 8727c478bd9Sstevel@tonic-gate mutex_exit(&ph_data->p_mutex); 8737c478bd9Sstevel@tonic-gate } 8747c478bd9Sstevel@tonic-gate 8757c478bd9Sstevel@tonic-gate /* 8767c478bd9Sstevel@tonic-gate * allocate and initialize the pipe handle 8777c478bd9Sstevel@tonic-gate */ 8787c478bd9Sstevel@tonic-gate if ((rval = usba_init_pipe_handle(dip, usba_device, 8797c478bd9Sstevel@tonic-gate ep, pipe_policy, ph_impl)) != USB_SUCCESS) { 8807c478bd9Sstevel@tonic-gate USB_DPRINTF_L2(DPRINT_MASK_USBAI, usbai_log_handle, 8817c478bd9Sstevel@tonic-gate "usb_pipe_open: pipe init failed (%d)", rval); 8827c478bd9Sstevel@tonic-gate 8837c478bd9Sstevel@tonic-gate return (rval); 8847c478bd9Sstevel@tonic-gate } 8857c478bd9Sstevel@tonic-gate ph_data = ph_impl->usba_ph_data; 8867c478bd9Sstevel@tonic-gate 8877c478bd9Sstevel@tonic-gate /* 8887c478bd9Sstevel@tonic-gate * ask the hcd to open the pipe 8897c478bd9Sstevel@tonic-gate */ 8907c478bd9Sstevel@tonic-gate if ((rval = usba_device->usb_hcdi_ops->usba_hcdi_pipe_open(ph_data, 8917c478bd9Sstevel@tonic-gate usb_flags)) != USB_SUCCESS) { 8927c478bd9Sstevel@tonic-gate usba_destroy_pipe_handle(ph_data); 8937c478bd9Sstevel@tonic-gate 8947c478bd9Sstevel@tonic-gate *pipe_handle = NULL; 8957c478bd9Sstevel@tonic-gate } else { 8967c478bd9Sstevel@tonic-gate *pipe_handle = (usb_pipe_handle_t)ph_impl; 8977c478bd9Sstevel@tonic-gate 8987c478bd9Sstevel@tonic-gate /* set the pipe state after a successful hcd open */ 8997c478bd9Sstevel@tonic-gate mutex_enter(&ph_data->p_mutex); 9007c478bd9Sstevel@tonic-gate usba_pipe_new_state(ph_data, USB_PIPE_STATE_IDLE); 9017c478bd9Sstevel@tonic-gate mutex_exit(&ph_data->p_mutex); 9027c478bd9Sstevel@tonic-gate } 9037c478bd9Sstevel@tonic-gate 9047c478bd9Sstevel@tonic-gate USB_DPRINTF_L4(DPRINT_MASK_USBAI, usbai_log_handle, 9057c478bd9Sstevel@tonic-gate "usb_pipe_open: ph_impl=0x%p (0x%p)", ph_impl, ph_data); 9067c478bd9Sstevel@tonic-gate 9077c478bd9Sstevel@tonic-gate return (rval); 9087c478bd9Sstevel@tonic-gate } 9097c478bd9Sstevel@tonic-gate 9107c478bd9Sstevel@tonic-gate 9117c478bd9Sstevel@tonic-gate /* 9127c478bd9Sstevel@tonic-gate * usb_pipe_close/sync_close: 9137c478bd9Sstevel@tonic-gate * 9147c478bd9Sstevel@tonic-gate * Close a pipe and release all resources and free the pipe_handle. 9157c478bd9Sstevel@tonic-gate * Automatic polling, if active, will be terminated 9167c478bd9Sstevel@tonic-gate * 9177c478bd9Sstevel@tonic-gate * Arguments: 9187c478bd9Sstevel@tonic-gate * dip - devinfo ptr 9197c478bd9Sstevel@tonic-gate * pipehandle - pointer to pipehandle. The pipehandle will be 9207c478bd9Sstevel@tonic-gate * zeroed on successful completion 9217c478bd9Sstevel@tonic-gate * flags - USB_FLAGS_SLEEP: 9227c478bd9Sstevel@tonic-gate * wait for resources, pipe 9237c478bd9Sstevel@tonic-gate * to become free, all callbacks completed 9247c478bd9Sstevel@tonic-gate * callback - If USB_FLAGS_SLEEP has not been specified, a 9257c478bd9Sstevel@tonic-gate * callback will be performed. 9267c478bd9Sstevel@tonic-gate * callback_arg - the first argument of the callback. Note that 9277c478bd9Sstevel@tonic-gate * the pipehandle will be zeroed and not passed 9287c478bd9Sstevel@tonic-gate * 9297c478bd9Sstevel@tonic-gate * Notes: 9307c478bd9Sstevel@tonic-gate * Pipe close will always succeed regardless whether USB_FLAGS_SLEEP has been 9317c478bd9Sstevel@tonic-gate * specified or not. 9327c478bd9Sstevel@tonic-gate * An async close will always succeed if the hint in the pipe policy 9337c478bd9Sstevel@tonic-gate * has been correct about the max number of async taskq requests required. 9347c478bd9Sstevel@tonic-gate * If there are really no resources, the pipe handle will be linked into 9357c478bd9Sstevel@tonic-gate * a garbage pipe list and periodically checked by USBA until it can be 9367c478bd9Sstevel@tonic-gate * closed. This may cause a hang in the detach of the driver. 9377c478bd9Sstevel@tonic-gate * USBA will prevent the client from submitting more requests to a pipe 9387c478bd9Sstevel@tonic-gate * that is being closed 9397c478bd9Sstevel@tonic-gate * Subsequent usb_pipe_close() requests on the same pipe to USBA will 9407c478bd9Sstevel@tonic-gate * wait for the previous close(s) to finish. 9417c478bd9Sstevel@tonic-gate * 9427c478bd9Sstevel@tonic-gate * Note that once we start closing a pipe, we cannot go back anymore 9437c478bd9Sstevel@tonic-gate * to a normal pipe state 9447c478bd9Sstevel@tonic-gate */ 9457c478bd9Sstevel@tonic-gate void 9467c478bd9Sstevel@tonic-gate usb_pipe_close(dev_info_t *dip, 9477c478bd9Sstevel@tonic-gate usb_pipe_handle_t pipe_handle, 9487c478bd9Sstevel@tonic-gate usb_flags_t usb_flags, 9497c478bd9Sstevel@tonic-gate void (*callback)( 9507c478bd9Sstevel@tonic-gate usb_pipe_handle_t pipe_handle, 9517c478bd9Sstevel@tonic-gate usb_opaque_t arg, 9527c478bd9Sstevel@tonic-gate int rval, 9537c478bd9Sstevel@tonic-gate usb_cb_flags_t flags), 9547c478bd9Sstevel@tonic-gate usb_opaque_t callback_arg) 9557c478bd9Sstevel@tonic-gate { 9567c478bd9Sstevel@tonic-gate usba_pipe_handle_data_t *ph_data; 9577c478bd9Sstevel@tonic-gate usba_ph_impl_t *ph_impl = (usba_ph_impl_t *)pipe_handle; 9587c478bd9Sstevel@tonic-gate usb_cb_flags_t callback_flags; 9597c478bd9Sstevel@tonic-gate 9607c478bd9Sstevel@tonic-gate USB_DPRINTF_L4(DPRINT_MASK_USBAI, usbai_log_handle, 9617c478bd9Sstevel@tonic-gate "usb_pipe_close: ph=0x%p", pipe_handle); 9627c478bd9Sstevel@tonic-gate 9637c478bd9Sstevel@tonic-gate callback_flags = usba_check_intr_context(USB_CB_NO_INFO); 9647c478bd9Sstevel@tonic-gate if ((dip == NULL) || (pipe_handle == NULL)) { 9657c478bd9Sstevel@tonic-gate if (callback) { 9667c478bd9Sstevel@tonic-gate callback(pipe_handle, callback_arg, 9677c478bd9Sstevel@tonic-gate USB_INVALID_ARGS, callback_flags); 9687c478bd9Sstevel@tonic-gate } else { 969*d291d9f2Sfrits USB_DPRINTF_L2(DPRINT_MASK_USBAI, 9707c478bd9Sstevel@tonic-gate usbai_log_handle, 9717c478bd9Sstevel@tonic-gate "usb_pipe_close: invalid arguments"); 9727c478bd9Sstevel@tonic-gate } 9737c478bd9Sstevel@tonic-gate 9747c478bd9Sstevel@tonic-gate return; 9757c478bd9Sstevel@tonic-gate } 9767c478bd9Sstevel@tonic-gate 9777c478bd9Sstevel@tonic-gate if ((usb_flags & USBA_FLAGS_PRIVILEGED) == 0) { 9787c478bd9Sstevel@tonic-gate /* 9797c478bd9Sstevel@tonic-gate * It is the client driver doing the pipe close, 9807c478bd9Sstevel@tonic-gate * the pipe is no longer persistent then. 9817c478bd9Sstevel@tonic-gate */ 9827c478bd9Sstevel@tonic-gate mutex_enter(&ph_impl->usba_ph_mutex); 9837c478bd9Sstevel@tonic-gate ph_impl->usba_ph_flags &= ~USBA_PH_DATA_PERSISTENT; 9847c478bd9Sstevel@tonic-gate mutex_exit(&ph_impl->usba_ph_mutex); 9857c478bd9Sstevel@tonic-gate } 9867c478bd9Sstevel@tonic-gate 9877c478bd9Sstevel@tonic-gate if (servicing_interrupt() && (usb_flags & USB_FLAGS_SLEEP)) { 9887c478bd9Sstevel@tonic-gate if (callback) { 9897c478bd9Sstevel@tonic-gate callback(pipe_handle, callback_arg, 9907c478bd9Sstevel@tonic-gate USB_INVALID_CONTEXT, callback_flags); 9917c478bd9Sstevel@tonic-gate } else { 992*d291d9f2Sfrits USB_DPRINTF_L2(DPRINT_MASK_USBAI, 9937c478bd9Sstevel@tonic-gate usbai_log_handle, 9947c478bd9Sstevel@tonic-gate "usb_pipe_close: invalid context"); 9957c478bd9Sstevel@tonic-gate } 9967c478bd9Sstevel@tonic-gate 9977c478bd9Sstevel@tonic-gate return; 9987c478bd9Sstevel@tonic-gate } 9997c478bd9Sstevel@tonic-gate 10007c478bd9Sstevel@tonic-gate if ((ph_data = usba_hold_ph_data(pipe_handle)) == NULL) { 10017c478bd9Sstevel@tonic-gate 10027c478bd9Sstevel@tonic-gate /* hold pipehandle anyways since we will decrement later */ 10037c478bd9Sstevel@tonic-gate mutex_enter(&ph_impl->usba_ph_mutex); 10047c478bd9Sstevel@tonic-gate ph_impl->usba_ph_ref_count++; 10057c478bd9Sstevel@tonic-gate mutex_exit(&ph_impl->usba_ph_mutex); 10067c478bd9Sstevel@tonic-gate 10077c478bd9Sstevel@tonic-gate (void) usba_pipe_setup_func_call(dip, usba_pipe_sync_close, 10087c478bd9Sstevel@tonic-gate ph_impl, NULL, usb_flags, callback, callback_arg); 10097c478bd9Sstevel@tonic-gate 10107c478bd9Sstevel@tonic-gate return; 10117c478bd9Sstevel@tonic-gate } 10127c478bd9Sstevel@tonic-gate 10137c478bd9Sstevel@tonic-gate mutex_enter(&ph_data->p_mutex); 10147c478bd9Sstevel@tonic-gate 10157c478bd9Sstevel@tonic-gate if (USBA_IS_DEFAULT_PIPE(ph_data) && 10167c478bd9Sstevel@tonic-gate ((usb_flags & USBA_FLAGS_PRIVILEGED) == 0)) { 1017*d291d9f2Sfrits USB_DPRINTF_L2(DPRINT_MASK_USBAI, usbai_log_handle, 10187c478bd9Sstevel@tonic-gate "usb_pipe_close: not allowed to close def pipe"); 10197c478bd9Sstevel@tonic-gate mutex_exit(&ph_data->p_mutex); 10207c478bd9Sstevel@tonic-gate 10217c478bd9Sstevel@tonic-gate usba_release_ph_data(ph_impl); 10227c478bd9Sstevel@tonic-gate 10237c478bd9Sstevel@tonic-gate if (callback) { 10247c478bd9Sstevel@tonic-gate callback(pipe_handle, callback_arg, 10257c478bd9Sstevel@tonic-gate USB_INVALID_PIPE, callback_flags); 10267c478bd9Sstevel@tonic-gate } else { 1027*d291d9f2Sfrits USB_DPRINTF_L2(DPRINT_MASK_USBAI, 10287c478bd9Sstevel@tonic-gate usbai_log_handle, 10297c478bd9Sstevel@tonic-gate "usb_pipe_close: invalid pipe"); 10307c478bd9Sstevel@tonic-gate } 10317c478bd9Sstevel@tonic-gate 10327c478bd9Sstevel@tonic-gate return; 10337c478bd9Sstevel@tonic-gate } 10347c478bd9Sstevel@tonic-gate 10357c478bd9Sstevel@tonic-gate mutex_exit(&ph_data->p_mutex); 10367c478bd9Sstevel@tonic-gate 10377c478bd9Sstevel@tonic-gate (void) usba_pipe_setup_func_call(dip, usba_pipe_sync_close, 10387c478bd9Sstevel@tonic-gate ph_impl, NULL, usb_flags, callback, callback_arg); 10397c478bd9Sstevel@tonic-gate } 10407c478bd9Sstevel@tonic-gate 10417c478bd9Sstevel@tonic-gate 10427c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 10437c478bd9Sstevel@tonic-gate static int 10447c478bd9Sstevel@tonic-gate usba_pipe_sync_close(dev_info_t *dip, usba_ph_impl_t *ph_impl, 10457c478bd9Sstevel@tonic-gate usba_pipe_async_req_t *request, usb_flags_t usb_flags) 10467c478bd9Sstevel@tonic-gate { 10477c478bd9Sstevel@tonic-gate usba_device_t *usba_device; 10487c478bd9Sstevel@tonic-gate usba_pipe_handle_data_t *ph_data = usba_get_ph_data( 10497c478bd9Sstevel@tonic-gate (usb_pipe_handle_t)ph_impl); 10507c478bd9Sstevel@tonic-gate int attribute; 10517c478bd9Sstevel@tonic-gate uchar_t dir; 10527c478bd9Sstevel@tonic-gate int timeout; 10537c478bd9Sstevel@tonic-gate 10547c478bd9Sstevel@tonic-gate if (ph_impl == NULL) { 10557c478bd9Sstevel@tonic-gate 10567c478bd9Sstevel@tonic-gate return (USB_SUCCESS); 10577c478bd9Sstevel@tonic-gate } 10587c478bd9Sstevel@tonic-gate 10597c478bd9Sstevel@tonic-gate mutex_enter(&ph_impl->usba_ph_mutex); 10607c478bd9Sstevel@tonic-gate USB_DPRINTF_L4(DPRINT_MASK_USBAI, usbai_log_handle, 10617c478bd9Sstevel@tonic-gate "usba_pipe_sync_close: dip=0x%p ph_data=0x%p state=%d ref=%d", 10627c478bd9Sstevel@tonic-gate dip, ph_data, ph_impl->usba_ph_state, ph_impl->usba_ph_ref_count); 10637c478bd9Sstevel@tonic-gate 10647c478bd9Sstevel@tonic-gate /* 10657c478bd9Sstevel@tonic-gate * if another thread opens the pipe again, this loop could 10667c478bd9Sstevel@tonic-gate * be truly forever 10677c478bd9Sstevel@tonic-gate */ 10687c478bd9Sstevel@tonic-gate if ((ph_data == NULL) || 10697c478bd9Sstevel@tonic-gate (ph_impl->usba_ph_state == USB_PIPE_STATE_CLOSING) || 10707c478bd9Sstevel@tonic-gate (ph_impl->usba_ph_state == USB_PIPE_STATE_CLOSED)) { 10717c478bd9Sstevel@tonic-gate /* wait forever till really closed */ 10727c478bd9Sstevel@tonic-gate mutex_exit(&ph_impl->usba_ph_mutex); 10737c478bd9Sstevel@tonic-gate usba_release_ph_data(ph_impl); 10747c478bd9Sstevel@tonic-gate 10757c478bd9Sstevel@tonic-gate while (usba_get_ph_data((usb_pipe_handle_t)ph_impl)) { 10767c478bd9Sstevel@tonic-gate delay(1); 10777c478bd9Sstevel@tonic-gate } 10787c478bd9Sstevel@tonic-gate 10797c478bd9Sstevel@tonic-gate return (USB_SUCCESS); 10807c478bd9Sstevel@tonic-gate } 10817c478bd9Sstevel@tonic-gate ph_impl->usba_ph_state = USB_PIPE_STATE_CLOSING; 10827c478bd9Sstevel@tonic-gate mutex_exit(&ph_impl->usba_ph_mutex); 10837c478bd9Sstevel@tonic-gate 10847c478bd9Sstevel@tonic-gate mutex_enter(&ph_data->p_mutex); 10857c478bd9Sstevel@tonic-gate mutex_enter(&ph_impl->usba_ph_mutex); 10867c478bd9Sstevel@tonic-gate 10877c478bd9Sstevel@tonic-gate attribute = ph_data->p_ep.bmAttributes & USB_EP_ATTR_MASK; 10887c478bd9Sstevel@tonic-gate dir = ph_data->p_ep.bEndpointAddress & USB_EP_DIR_MASK; 10897c478bd9Sstevel@tonic-gate 10907c478bd9Sstevel@tonic-gate usba_device = ph_data->p_usba_device; 10917c478bd9Sstevel@tonic-gate 10927c478bd9Sstevel@tonic-gate /* 10937c478bd9Sstevel@tonic-gate * For control and bulk, we will drain till ref_count <= 1 and 10947c478bd9Sstevel@tonic-gate * req_count == 0 but for isoc and intr IN, we can only wait 10957c478bd9Sstevel@tonic-gate * till the ref_count === 1 as the req_count will never go to 0 10967c478bd9Sstevel@tonic-gate */ 10977c478bd9Sstevel@tonic-gate for (timeout = 0; timeout < usba_drain_timeout; timeout++) { 10987c478bd9Sstevel@tonic-gate switch (attribute) { 10997c478bd9Sstevel@tonic-gate case USB_EP_ATTR_CONTROL: 11007c478bd9Sstevel@tonic-gate case USB_EP_ATTR_BULK: 11017c478bd9Sstevel@tonic-gate if ((ph_data->p_req_count == 0) && 11027c478bd9Sstevel@tonic-gate (ph_impl->usba_ph_ref_count <= 1)) { 11037c478bd9Sstevel@tonic-gate goto done; 11047c478bd9Sstevel@tonic-gate } 11057c478bd9Sstevel@tonic-gate break; 11067c478bd9Sstevel@tonic-gate case USB_EP_ATTR_INTR: 11077c478bd9Sstevel@tonic-gate case USB_EP_ATTR_ISOCH: 11087c478bd9Sstevel@tonic-gate if (dir == USB_EP_DIR_IN) { 11097c478bd9Sstevel@tonic-gate if (ph_impl->usba_ph_ref_count <= 1) { 11107c478bd9Sstevel@tonic-gate goto done; 11117c478bd9Sstevel@tonic-gate } 11127c478bd9Sstevel@tonic-gate } else if ((ph_data->p_req_count == 0) && 11137c478bd9Sstevel@tonic-gate (ph_impl->usba_ph_ref_count <= 1)) { 11147c478bd9Sstevel@tonic-gate goto done; 11157c478bd9Sstevel@tonic-gate } 11167c478bd9Sstevel@tonic-gate break; 11177c478bd9Sstevel@tonic-gate } 11187c478bd9Sstevel@tonic-gate mutex_exit(&ph_impl->usba_ph_mutex); 11197c478bd9Sstevel@tonic-gate mutex_exit(&ph_data->p_mutex); 11207c478bd9Sstevel@tonic-gate delay(drv_usectohz(1000)); 11217c478bd9Sstevel@tonic-gate mutex_enter(&ph_data->p_mutex); 11227c478bd9Sstevel@tonic-gate mutex_enter(&ph_impl->usba_ph_mutex); 11237c478bd9Sstevel@tonic-gate } 11247c478bd9Sstevel@tonic-gate done: 11257c478bd9Sstevel@tonic-gate 11267c478bd9Sstevel@tonic-gate mutex_exit(&ph_impl->usba_ph_mutex); 11277c478bd9Sstevel@tonic-gate mutex_exit(&ph_data->p_mutex); 11287c478bd9Sstevel@tonic-gate 11297c478bd9Sstevel@tonic-gate if (timeout >= usba_drain_timeout) { 11307c478bd9Sstevel@tonic-gate int draining_succeeded; 11317c478bd9Sstevel@tonic-gate 11327c478bd9Sstevel@tonic-gate USB_DPRINTF_L2(DPRINT_MASK_USBAI, usbai_log_handle, 11337c478bd9Sstevel@tonic-gate "timeout on draining requests, resetting pipe 0x%p", 11347c478bd9Sstevel@tonic-gate ph_impl); 11357c478bd9Sstevel@tonic-gate 11367c478bd9Sstevel@tonic-gate (void) usba_device->usb_hcdi_ops->usba_hcdi_pipe_reset(ph_data, 11377c478bd9Sstevel@tonic-gate USB_FLAGS_SLEEP); 11387c478bd9Sstevel@tonic-gate 11397c478bd9Sstevel@tonic-gate mutex_enter(&ph_data->p_mutex); 11407c478bd9Sstevel@tonic-gate draining_succeeded = usba_drain_cbs(ph_data, USB_CB_RESET_PIPE, 11417c478bd9Sstevel@tonic-gate USB_CR_PIPE_RESET); 11427c478bd9Sstevel@tonic-gate /* this MUST have succeeded */ 11437c478bd9Sstevel@tonic-gate ASSERT(draining_succeeded == USB_SUCCESS); 11447c478bd9Sstevel@tonic-gate mutex_exit(&ph_data->p_mutex); 11457c478bd9Sstevel@tonic-gate 11467c478bd9Sstevel@tonic-gate USB_DPRINTF_L2(DPRINT_MASK_USBAI, usbai_log_handle, 11477c478bd9Sstevel@tonic-gate "draining requests done"); 11487c478bd9Sstevel@tonic-gate } 11497c478bd9Sstevel@tonic-gate 11507c478bd9Sstevel@tonic-gate if (usba_device->usb_hcdi_ops->usba_hcdi_pipe_close(ph_data, 11517c478bd9Sstevel@tonic-gate usb_flags) != USB_SUCCESS) { 1152*d291d9f2Sfrits USB_DPRINTF_L2(DPRINT_MASK_USBAI, usbai_log_handle, 11537c478bd9Sstevel@tonic-gate "usba_pipe_sync_close: hcd close failed"); 11547c478bd9Sstevel@tonic-gate /* carry on regardless! */ 11557c478bd9Sstevel@tonic-gate } 11567c478bd9Sstevel@tonic-gate 11577c478bd9Sstevel@tonic-gate usba_destroy_pipe_handle(ph_data); 11587c478bd9Sstevel@tonic-gate 11597c478bd9Sstevel@tonic-gate return (USB_SUCCESS); 11607c478bd9Sstevel@tonic-gate } 11617c478bd9Sstevel@tonic-gate 11627c478bd9Sstevel@tonic-gate 11637c478bd9Sstevel@tonic-gate /* 11647c478bd9Sstevel@tonic-gate * usb_pipe_set_private: 11657c478bd9Sstevel@tonic-gate * set private client date in the pipe handle 11667c478bd9Sstevel@tonic-gate */ 11677c478bd9Sstevel@tonic-gate int 11687c478bd9Sstevel@tonic-gate usb_pipe_set_private(usb_pipe_handle_t pipe_handle, usb_opaque_t data) 11697c478bd9Sstevel@tonic-gate { 11707c478bd9Sstevel@tonic-gate usba_pipe_handle_data_t *ph_data = usba_hold_ph_data(pipe_handle); 11717c478bd9Sstevel@tonic-gate 11727c478bd9Sstevel@tonic-gate USB_DPRINTF_L4(DPRINT_MASK_USBAI, usbai_log_handle, 11737c478bd9Sstevel@tonic-gate "usb_pipe_set_private: "); 11747c478bd9Sstevel@tonic-gate 11757c478bd9Sstevel@tonic-gate if (ph_data == NULL) { 11767c478bd9Sstevel@tonic-gate 11777c478bd9Sstevel@tonic-gate return (USB_INVALID_PIPE); 11787c478bd9Sstevel@tonic-gate } 11797c478bd9Sstevel@tonic-gate if (USBA_IS_DEFAULT_PIPE(ph_data)) { 11807c478bd9Sstevel@tonic-gate usba_release_ph_data(ph_data->p_ph_impl); 11817c478bd9Sstevel@tonic-gate 11827c478bd9Sstevel@tonic-gate return (USB_INVALID_PERM); 11837c478bd9Sstevel@tonic-gate } 11847c478bd9Sstevel@tonic-gate 11857c478bd9Sstevel@tonic-gate mutex_enter(&ph_data->p_mutex); 11867c478bd9Sstevel@tonic-gate ph_data->p_client_private = data; 11877c478bd9Sstevel@tonic-gate mutex_exit(&ph_data->p_mutex); 11887c478bd9Sstevel@tonic-gate 11897c478bd9Sstevel@tonic-gate usba_release_ph_data(ph_data->p_ph_impl); 11907c478bd9Sstevel@tonic-gate 11917c478bd9Sstevel@tonic-gate return (USB_SUCCESS); 11927c478bd9Sstevel@tonic-gate } 11937c478bd9Sstevel@tonic-gate 11947c478bd9Sstevel@tonic-gate 11957c478bd9Sstevel@tonic-gate /* 11967c478bd9Sstevel@tonic-gate * usb_pipe_get_private: 11977c478bd9Sstevel@tonic-gate * get private client date from the pipe handle 11987c478bd9Sstevel@tonic-gate */ 11997c478bd9Sstevel@tonic-gate usb_opaque_t 12007c478bd9Sstevel@tonic-gate usb_pipe_get_private(usb_pipe_handle_t pipe_handle) 12017c478bd9Sstevel@tonic-gate { 12027c478bd9Sstevel@tonic-gate usba_pipe_handle_data_t *ph_data = usba_hold_ph_data(pipe_handle); 12037c478bd9Sstevel@tonic-gate usb_opaque_t data; 12047c478bd9Sstevel@tonic-gate 12057c478bd9Sstevel@tonic-gate USB_DPRINTF_L4(DPRINT_MASK_USBAI, usbai_log_handle, 12067c478bd9Sstevel@tonic-gate "usb_pipe_get_private:"); 12077c478bd9Sstevel@tonic-gate 12087c478bd9Sstevel@tonic-gate if (ph_data == NULL) { 12097c478bd9Sstevel@tonic-gate 12107c478bd9Sstevel@tonic-gate return (NULL); 12117c478bd9Sstevel@tonic-gate } 12127c478bd9Sstevel@tonic-gate 12137c478bd9Sstevel@tonic-gate mutex_enter(&ph_data->p_mutex); 12147c478bd9Sstevel@tonic-gate data = ph_data->p_client_private; 12157c478bd9Sstevel@tonic-gate mutex_exit(&ph_data->p_mutex); 12167c478bd9Sstevel@tonic-gate 12177c478bd9Sstevel@tonic-gate usba_release_ph_data(ph_data->p_ph_impl); 12187c478bd9Sstevel@tonic-gate 12197c478bd9Sstevel@tonic-gate return (data); 12207c478bd9Sstevel@tonic-gate } 12217c478bd9Sstevel@tonic-gate 12227c478bd9Sstevel@tonic-gate 12237c478bd9Sstevel@tonic-gate /* 12247c478bd9Sstevel@tonic-gate * usb_pipe_reset 12257c478bd9Sstevel@tonic-gate * Arguments: 12267c478bd9Sstevel@tonic-gate * dip - devinfo pointer 12277c478bd9Sstevel@tonic-gate * pipe_handle - opaque pipe handle 12287c478bd9Sstevel@tonic-gate * Returns: 12297c478bd9Sstevel@tonic-gate * USB_SUCCESS - pipe successfully reset or request queued 12307c478bd9Sstevel@tonic-gate * USB_FAILURE - undetermined failure 12317c478bd9Sstevel@tonic-gate * USB_INVALID_PIPE - pipe is invalid or already closed 12327c478bd9Sstevel@tonic-gate */ 12337c478bd9Sstevel@tonic-gate void 12347c478bd9Sstevel@tonic-gate usb_pipe_reset(dev_info_t *dip, 12357c478bd9Sstevel@tonic-gate usb_pipe_handle_t pipe_handle, 12367c478bd9Sstevel@tonic-gate usb_flags_t usb_flags, 12377c478bd9Sstevel@tonic-gate void (*callback)( 12387c478bd9Sstevel@tonic-gate usb_pipe_handle_t ph, 12397c478bd9Sstevel@tonic-gate usb_opaque_t arg, 12407c478bd9Sstevel@tonic-gate int rval, 12417c478bd9Sstevel@tonic-gate usb_cb_flags_t flags), 12427c478bd9Sstevel@tonic-gate usb_opaque_t callback_arg) 12437c478bd9Sstevel@tonic-gate { 12447c478bd9Sstevel@tonic-gate usba_ph_impl_t *ph_impl = (usba_ph_impl_t *)pipe_handle; 12457c478bd9Sstevel@tonic-gate usba_pipe_handle_data_t *ph_data = usba_hold_ph_data(pipe_handle); 12467c478bd9Sstevel@tonic-gate usb_cb_flags_t callback_flags; 12477c478bd9Sstevel@tonic-gate 12487c478bd9Sstevel@tonic-gate USB_DPRINTF_L4(DPRINT_MASK_USBAI, usbai_log_handle, 12497c478bd9Sstevel@tonic-gate "usb_pipe_reset: dip=0x%p ph=0x%p uf=0x%x", 12507c478bd9Sstevel@tonic-gate dip, pipe_handle, usb_flags); 12517c478bd9Sstevel@tonic-gate 12527c478bd9Sstevel@tonic-gate callback_flags = usba_check_intr_context(USB_CB_NO_INFO); 12537c478bd9Sstevel@tonic-gate 12547c478bd9Sstevel@tonic-gate if ((dip == NULL) || (ph_data == NULL)) { 12557c478bd9Sstevel@tonic-gate if (callback) { 12567c478bd9Sstevel@tonic-gate callback(pipe_handle, callback_arg, 12577c478bd9Sstevel@tonic-gate USB_INVALID_ARGS, callback_flags); 12587c478bd9Sstevel@tonic-gate } else { 1259*d291d9f2Sfrits USB_DPRINTF_L2(DPRINT_MASK_USBAI, 12607c478bd9Sstevel@tonic-gate usbai_log_handle, 12617c478bd9Sstevel@tonic-gate "usb_pipe_reset: invalid arguments"); 12627c478bd9Sstevel@tonic-gate } 12637c478bd9Sstevel@tonic-gate 12647c478bd9Sstevel@tonic-gate usba_release_ph_data(ph_impl); 12657c478bd9Sstevel@tonic-gate 12667c478bd9Sstevel@tonic-gate return; 12677c478bd9Sstevel@tonic-gate } 12687c478bd9Sstevel@tonic-gate if (servicing_interrupt() && (usb_flags & USB_FLAGS_SLEEP)) { 12697c478bd9Sstevel@tonic-gate if (callback) { 12707c478bd9Sstevel@tonic-gate callback(pipe_handle, callback_arg, 12717c478bd9Sstevel@tonic-gate USB_INVALID_CONTEXT, callback_flags); 12727c478bd9Sstevel@tonic-gate } else { 1273*d291d9f2Sfrits USB_DPRINTF_L2(DPRINT_MASK_USBAI, 12747c478bd9Sstevel@tonic-gate usbai_log_handle, 12757c478bd9Sstevel@tonic-gate "usb_pipe_reset: invalid context"); 12767c478bd9Sstevel@tonic-gate } 12777c478bd9Sstevel@tonic-gate 12787c478bd9Sstevel@tonic-gate usba_release_ph_data(ph_impl); 12797c478bd9Sstevel@tonic-gate 12807c478bd9Sstevel@tonic-gate return; 12817c478bd9Sstevel@tonic-gate } 12827c478bd9Sstevel@tonic-gate 12837c478bd9Sstevel@tonic-gate mutex_enter(&ph_data->p_mutex); 12847c478bd9Sstevel@tonic-gate 12857c478bd9Sstevel@tonic-gate /* is this the default pipe? */ 12867c478bd9Sstevel@tonic-gate if (USBA_IS_DEFAULT_PIPE(ph_data)) { 12877c478bd9Sstevel@tonic-gate if ((usb_flags & USBA_FLAGS_PRIVILEGED) == 0) { 1288*d291d9f2Sfrits USB_DPRINTF_L2(DPRINT_MASK_USBAI, usbai_log_handle, 12897c478bd9Sstevel@tonic-gate "usb_pipe_reset: not allowed to reset def pipe"); 12907c478bd9Sstevel@tonic-gate mutex_exit(&ph_data->p_mutex); 12917c478bd9Sstevel@tonic-gate 12927c478bd9Sstevel@tonic-gate if (callback) { 12937c478bd9Sstevel@tonic-gate callback(pipe_handle, callback_arg, 12947c478bd9Sstevel@tonic-gate USB_INVALID_PIPE, callback_flags); 12957c478bd9Sstevel@tonic-gate } else { 1296*d291d9f2Sfrits USB_DPRINTF_L2(DPRINT_MASK_USBAI, 12977c478bd9Sstevel@tonic-gate usbai_log_handle, 12987c478bd9Sstevel@tonic-gate "usb_pipe_reset: invalid pipe"); 12997c478bd9Sstevel@tonic-gate } 13007c478bd9Sstevel@tonic-gate usba_release_ph_data(ph_impl); 13017c478bd9Sstevel@tonic-gate 13027c478bd9Sstevel@tonic-gate return; 13037c478bd9Sstevel@tonic-gate } 13047c478bd9Sstevel@tonic-gate } 13057c478bd9Sstevel@tonic-gate mutex_exit(&ph_data->p_mutex); 13067c478bd9Sstevel@tonic-gate 13077c478bd9Sstevel@tonic-gate (void) usba_pipe_setup_func_call(dip, 13087c478bd9Sstevel@tonic-gate usba_pipe_sync_reset, ph_impl, NULL, usb_flags, callback, 13097c478bd9Sstevel@tonic-gate callback_arg); 13107c478bd9Sstevel@tonic-gate } 13117c478bd9Sstevel@tonic-gate 13127c478bd9Sstevel@tonic-gate 13137c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 13147c478bd9Sstevel@tonic-gate int 13157c478bd9Sstevel@tonic-gate usba_pipe_sync_reset(dev_info_t *dip, 13167c478bd9Sstevel@tonic-gate usba_ph_impl_t *ph_impl, 13177c478bd9Sstevel@tonic-gate usba_pipe_async_req_t *request, 13187c478bd9Sstevel@tonic-gate usb_flags_t usb_flags) 13197c478bd9Sstevel@tonic-gate { 13207c478bd9Sstevel@tonic-gate int rval, draining_succeeded; 13217c478bd9Sstevel@tonic-gate usba_pipe_handle_data_t *ph_data = usba_get_ph_data((usb_pipe_handle_t) 13227c478bd9Sstevel@tonic-gate ph_impl); 13237c478bd9Sstevel@tonic-gate usba_device_t *usba_device; 13247c478bd9Sstevel@tonic-gate 13257c478bd9Sstevel@tonic-gate USB_DPRINTF_L4(DPRINT_MASK_USBAI, usbai_log_handle, 13267c478bd9Sstevel@tonic-gate "usba_pipe_sync_reset: dip=0x%p ph_data=0x%p uf=0x%x", 13277c478bd9Sstevel@tonic-gate dip, ph_data, usb_flags); 13287c478bd9Sstevel@tonic-gate 13297c478bd9Sstevel@tonic-gate mutex_enter(&ph_data->p_mutex); 13307c478bd9Sstevel@tonic-gate usba_device = ph_data->p_usba_device; 13317c478bd9Sstevel@tonic-gate mutex_exit(&ph_data->p_mutex); 13327c478bd9Sstevel@tonic-gate 13337c478bd9Sstevel@tonic-gate rval = usba_device->usb_hcdi_ops->usba_hcdi_pipe_reset(ph_data, 13347c478bd9Sstevel@tonic-gate usb_flags); 13357c478bd9Sstevel@tonic-gate mutex_enter(&ph_data->p_mutex); 13367c478bd9Sstevel@tonic-gate 13377c478bd9Sstevel@tonic-gate /* 13387c478bd9Sstevel@tonic-gate * The host controller has stopped polling of the endpoint. 13397c478bd9Sstevel@tonic-gate */ 13407c478bd9Sstevel@tonic-gate draining_succeeded = usba_drain_cbs(ph_data, USB_CB_RESET_PIPE, 13417c478bd9Sstevel@tonic-gate USB_CR_PIPE_RESET); 13427c478bd9Sstevel@tonic-gate 13437c478bd9Sstevel@tonic-gate /* this MUST have succeeded */ 13447c478bd9Sstevel@tonic-gate ASSERT(draining_succeeded == USB_SUCCESS); 13457c478bd9Sstevel@tonic-gate 13467c478bd9Sstevel@tonic-gate usba_pipe_new_state(ph_data, USB_PIPE_STATE_IDLE); 13477c478bd9Sstevel@tonic-gate mutex_exit(&ph_data->p_mutex); 13487c478bd9Sstevel@tonic-gate 13497c478bd9Sstevel@tonic-gate /* 13507c478bd9Sstevel@tonic-gate * if there are requests still queued on the default pipe, 13517c478bd9Sstevel@tonic-gate * start them now 13527c478bd9Sstevel@tonic-gate */ 13537c478bd9Sstevel@tonic-gate usba_start_next_req(ph_data); 13547c478bd9Sstevel@tonic-gate 13557c478bd9Sstevel@tonic-gate usba_release_ph_data(ph_impl); 13567c478bd9Sstevel@tonic-gate 13577c478bd9Sstevel@tonic-gate return (rval); 13587c478bd9Sstevel@tonic-gate } 13597c478bd9Sstevel@tonic-gate 13607c478bd9Sstevel@tonic-gate 13617c478bd9Sstevel@tonic-gate /* 13627c478bd9Sstevel@tonic-gate * usba_pipe_clear: 13637c478bd9Sstevel@tonic-gate * call hcd to clear pipe but don't wait for draining 13647c478bd9Sstevel@tonic-gate */ 13657c478bd9Sstevel@tonic-gate void 13667c478bd9Sstevel@tonic-gate usba_pipe_clear(usb_pipe_handle_t pipe_handle) 13677c478bd9Sstevel@tonic-gate { 13687c478bd9Sstevel@tonic-gate usba_pipe_handle_data_t *ph_data = usba_get_ph_data(pipe_handle); 13697c478bd9Sstevel@tonic-gate usba_device_t *usba_device; 13707c478bd9Sstevel@tonic-gate usba_req_wrapper_t *req_wrp; 13717c478bd9Sstevel@tonic-gate int flush_requests = 1; 13727c478bd9Sstevel@tonic-gate 13737c478bd9Sstevel@tonic-gate USB_DPRINTF_L4(DPRINT_MASK_USBAI, usbai_log_handle, 13747c478bd9Sstevel@tonic-gate "usba_pipe_clear: ph_data=0x%p", ph_data); 13757c478bd9Sstevel@tonic-gate 13767c478bd9Sstevel@tonic-gate if (ph_data == NULL) { 13777c478bd9Sstevel@tonic-gate 13787c478bd9Sstevel@tonic-gate return; 13797c478bd9Sstevel@tonic-gate } 13807c478bd9Sstevel@tonic-gate 13817c478bd9Sstevel@tonic-gate mutex_enter(&ph_data->p_mutex); 13827c478bd9Sstevel@tonic-gate if (USBA_PIPE_CLOSING(usba_get_ph_state(ph_data))) { 13837c478bd9Sstevel@tonic-gate mutex_exit(&ph_data->p_mutex); 13847c478bd9Sstevel@tonic-gate 13857c478bd9Sstevel@tonic-gate return; 13867c478bd9Sstevel@tonic-gate } 13877c478bd9Sstevel@tonic-gate usba_device = ph_data->p_usba_device; 13887c478bd9Sstevel@tonic-gate mutex_exit(&ph_data->p_mutex); 13897c478bd9Sstevel@tonic-gate 13907c478bd9Sstevel@tonic-gate (void) usba_device->usb_hcdi_ops->usba_hcdi_pipe_reset(ph_data, 13917c478bd9Sstevel@tonic-gate USB_FLAGS_SLEEP); 13927c478bd9Sstevel@tonic-gate 13937c478bd9Sstevel@tonic-gate mutex_enter(&ph_data->p_mutex); 13947c478bd9Sstevel@tonic-gate if (ph_data->p_dip) { 13957c478bd9Sstevel@tonic-gate if (USBA_IS_DEFAULT_PIPE(ph_data)) { 13967c478bd9Sstevel@tonic-gate USB_DPRINTF_L4(DPRINT_MASK_USBAI, 13977c478bd9Sstevel@tonic-gate usbai_log_handle, 13987c478bd9Sstevel@tonic-gate "no flushing on default pipe!"); 13997c478bd9Sstevel@tonic-gate 14007c478bd9Sstevel@tonic-gate flush_requests = 0; 14017c478bd9Sstevel@tonic-gate } 14027c478bd9Sstevel@tonic-gate } 14037c478bd9Sstevel@tonic-gate 14047c478bd9Sstevel@tonic-gate if (flush_requests) { 14057c478bd9Sstevel@tonic-gate /* flush all requests in the pipehandle queue */ 14067c478bd9Sstevel@tonic-gate while ((req_wrp = (usba_req_wrapper_t *) 14077c478bd9Sstevel@tonic-gate usba_rm_first_pvt_from_list(&ph_data->p_queue)) != NULL) { 14087c478bd9Sstevel@tonic-gate mutex_exit(&ph_data->p_mutex); 14097c478bd9Sstevel@tonic-gate usba_do_req_exc_cb(req_wrp, USB_CR_FLUSHED, 14107c478bd9Sstevel@tonic-gate USB_CB_RESET_PIPE); 14117c478bd9Sstevel@tonic-gate mutex_enter(&ph_data->p_mutex); 14127c478bd9Sstevel@tonic-gate } 14137c478bd9Sstevel@tonic-gate } 14147c478bd9Sstevel@tonic-gate 14157c478bd9Sstevel@tonic-gate usba_pipe_new_state(ph_data, USB_PIPE_STATE_IDLE); 14167c478bd9Sstevel@tonic-gate mutex_exit(&ph_data->p_mutex); 14177c478bd9Sstevel@tonic-gate } 14187c478bd9Sstevel@tonic-gate 14197c478bd9Sstevel@tonic-gate 14207c478bd9Sstevel@tonic-gate /* 14217c478bd9Sstevel@tonic-gate * 14227c478bd9Sstevel@tonic-gate * usb_pipe_drain_reqs 14237c478bd9Sstevel@tonic-gate * this function blocks until there are no more requests 14247c478bd9Sstevel@tonic-gate * owned by this dip on the pipe 14257c478bd9Sstevel@tonic-gate * 14267c478bd9Sstevel@tonic-gate * Arguments: 14277c478bd9Sstevel@tonic-gate * dip - devinfo pointer 14287c478bd9Sstevel@tonic-gate * pipe_handle - opaque pipe handle 14297c478bd9Sstevel@tonic-gate * timeout - timeout in seconds 14307c478bd9Sstevel@tonic-gate * flags - USB_FLAGS_SLEEP: 14317c478bd9Sstevel@tonic-gate * wait for completion. 14327c478bd9Sstevel@tonic-gate * cb - if USB_FLAGS_SLEEP has not been specified 14337c478bd9Sstevel@tonic-gate * this callback function will be called on 14347c478bd9Sstevel@tonic-gate * completion. This callback may be NULL 14357c478bd9Sstevel@tonic-gate * and no notification of completion will then 14367c478bd9Sstevel@tonic-gate * be provided. 14377c478bd9Sstevel@tonic-gate * cb_arg - 2nd argument to callback function. 14387c478bd9Sstevel@tonic-gate * 14397c478bd9Sstevel@tonic-gate * callback and callback_arg should be NULL if USB_FLAGS_SLEEP has 14407c478bd9Sstevel@tonic-gate * been specified 14417c478bd9Sstevel@tonic-gate * 14427c478bd9Sstevel@tonic-gate * Returns: 14437c478bd9Sstevel@tonic-gate * USB_SUCCESS - pipe successfully reset or request queued 14447c478bd9Sstevel@tonic-gate * USB_FAILURE - timeout 14457c478bd9Sstevel@tonic-gate * USB_* - refer to usbai.h 14467c478bd9Sstevel@tonic-gate */ 14477c478bd9Sstevel@tonic-gate int 14487c478bd9Sstevel@tonic-gate usb_pipe_drain_reqs(dev_info_t *dip, 14497c478bd9Sstevel@tonic-gate usb_pipe_handle_t pipe_handle, 14507c478bd9Sstevel@tonic-gate uint_t time, 14517c478bd9Sstevel@tonic-gate usb_flags_t usb_flags, 14527c478bd9Sstevel@tonic-gate void (*cb)( 14537c478bd9Sstevel@tonic-gate usb_pipe_handle_t ph, 14547c478bd9Sstevel@tonic-gate usb_opaque_t arg, /* cb arg */ 14557c478bd9Sstevel@tonic-gate int rval, 14567c478bd9Sstevel@tonic-gate usb_cb_flags_t flags), 14577c478bd9Sstevel@tonic-gate usb_opaque_t cb_arg) 14587c478bd9Sstevel@tonic-gate { 14597c478bd9Sstevel@tonic-gate usba_ph_impl_t *ph_impl = (usba_ph_impl_t *)pipe_handle; 14607c478bd9Sstevel@tonic-gate usba_pipe_handle_data_t *ph_data = usba_hold_ph_data(pipe_handle); 14617c478bd9Sstevel@tonic-gate 14627c478bd9Sstevel@tonic-gate USB_DPRINTF_L4(DPRINT_MASK_USBAI, usbai_log_handle, 14637c478bd9Sstevel@tonic-gate "usb_pipe_drain_reqs: dip=0x%p ph_data=0x%p tm=%d uf=0x%x", 14647c478bd9Sstevel@tonic-gate dip, ph_data, time, usb_flags); 14657c478bd9Sstevel@tonic-gate 14667c478bd9Sstevel@tonic-gate if (ph_data == NULL) { 14677c478bd9Sstevel@tonic-gate 14687c478bd9Sstevel@tonic-gate return (USB_INVALID_PIPE); 14697c478bd9Sstevel@tonic-gate } 14707c478bd9Sstevel@tonic-gate if (dip == NULL) { 14717c478bd9Sstevel@tonic-gate usba_release_ph_data(ph_impl); 14727c478bd9Sstevel@tonic-gate 14737c478bd9Sstevel@tonic-gate return (USB_INVALID_ARGS); 14747c478bd9Sstevel@tonic-gate } 14757c478bd9Sstevel@tonic-gate 14767c478bd9Sstevel@tonic-gate if ((usb_flags & USB_FLAGS_SLEEP) && servicing_interrupt()) { 14777c478bd9Sstevel@tonic-gate usba_release_ph_data(ph_impl); 14787c478bd9Sstevel@tonic-gate 14797c478bd9Sstevel@tonic-gate return (USB_INVALID_CONTEXT); 14807c478bd9Sstevel@tonic-gate } 14817c478bd9Sstevel@tonic-gate 14827c478bd9Sstevel@tonic-gate (void) usba_pipe_setup_func_call(dip, usba_pipe_sync_drain_reqs, 14837c478bd9Sstevel@tonic-gate ph_impl, (usb_opaque_t)((uintptr_t)time), usb_flags, cb, cb_arg); 14847c478bd9Sstevel@tonic-gate 14857c478bd9Sstevel@tonic-gate return (USB_SUCCESS); 14867c478bd9Sstevel@tonic-gate } 14877c478bd9Sstevel@tonic-gate 14887c478bd9Sstevel@tonic-gate 14897c478bd9Sstevel@tonic-gate /* 14907c478bd9Sstevel@tonic-gate * usba_pipe_sync_drain_reqs 14917c478bd9Sstevel@tonic-gate * this function blocks until there are no more requests 14927c478bd9Sstevel@tonic-gate * owned by this dip on the pipe 14937c478bd9Sstevel@tonic-gate * 14947c478bd9Sstevel@tonic-gate * Arguments: 14957c478bd9Sstevel@tonic-gate * dip - devinfo pointer 14967c478bd9Sstevel@tonic-gate * ph_impl - pipe impl handle 14977c478bd9Sstevel@tonic-gate * timeout - timeout in seconds 14987c478bd9Sstevel@tonic-gate * Returns: 14997c478bd9Sstevel@tonic-gate * USB_SUCCESS - pipe successfully reset or request queued 15007c478bd9Sstevel@tonic-gate * USB_FAILURE - timeout 15017c478bd9Sstevel@tonic-gate * USB_* - see usbai.h 15027c478bd9Sstevel@tonic-gate */ 15037c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 15047c478bd9Sstevel@tonic-gate int 15057c478bd9Sstevel@tonic-gate usba_pipe_sync_drain_reqs(dev_info_t *dip, 15067c478bd9Sstevel@tonic-gate usba_ph_impl_t *ph_impl, 15077c478bd9Sstevel@tonic-gate usba_pipe_async_req_t *request, 15087c478bd9Sstevel@tonic-gate usb_flags_t usb_flags) 15097c478bd9Sstevel@tonic-gate { 15107c478bd9Sstevel@tonic-gate usba_pipe_handle_data_t *ph_data = usba_get_ph_data((usb_pipe_handle_t) 15117c478bd9Sstevel@tonic-gate ph_impl); 15127c478bd9Sstevel@tonic-gate int i; 15137c478bd9Sstevel@tonic-gate int timeout = 100 * (int)((uintptr_t)(request->arg)); 15147c478bd9Sstevel@tonic-gate /* delay will be 10 ms */ 15157c478bd9Sstevel@tonic-gate 15167c478bd9Sstevel@tonic-gate mutex_enter(&ph_data->p_mutex); 15177c478bd9Sstevel@tonic-gate 15187c478bd9Sstevel@tonic-gate USB_DPRINTF_L4(DPRINT_MASK_USBAI, usbai_log_handle, 15197c478bd9Sstevel@tonic-gate "usba_pipe_sync_drain_reqs: " 15207c478bd9Sstevel@tonic-gate "dip=0x%p ph_data=0x%p timeout=%d ref=%d req=%d", 15217c478bd9Sstevel@tonic-gate dip, ph_data, timeout, usba_get_ph_ref_count(ph_data), 15227c478bd9Sstevel@tonic-gate ph_data->p_req_count); 15237c478bd9Sstevel@tonic-gate 15247c478bd9Sstevel@tonic-gate ASSERT(ph_data->p_req_count >= 0); 15257c478bd9Sstevel@tonic-gate 15267c478bd9Sstevel@tonic-gate /* 15277c478bd9Sstevel@tonic-gate * for default pipe, we need to check the active request 15287c478bd9Sstevel@tonic-gate * and the queue 15297c478bd9Sstevel@tonic-gate * Note that a pipe reset on the default pipe doesn't flush 15307c478bd9Sstevel@tonic-gate * the queue 15317c478bd9Sstevel@tonic-gate * for all other pipes we just check ref and req count since 15327c478bd9Sstevel@tonic-gate * these pipes are unshared 15337c478bd9Sstevel@tonic-gate */ 15347c478bd9Sstevel@tonic-gate if (USBA_IS_DEFAULT_PIPE(ph_data)) { 15357c478bd9Sstevel@tonic-gate for (i = 0; (i < timeout) || (request->arg == 0); i++) { 15367c478bd9Sstevel@tonic-gate usba_list_entry_t *next, *tmpnext; 15377c478bd9Sstevel@tonic-gate usba_req_wrapper_t *req_wrp = (usba_req_wrapper_t *) 15387c478bd9Sstevel@tonic-gate ph_data->p_active_cntrl_req_wrp; 15397c478bd9Sstevel@tonic-gate int found = 0; 15407c478bd9Sstevel@tonic-gate int count = 0; 15417c478bd9Sstevel@tonic-gate 15427c478bd9Sstevel@tonic-gate /* active_req_wrp is only for control pipes */ 15437c478bd9Sstevel@tonic-gate if ((req_wrp == NULL) || (req_wrp->wr_dip != dip)) { 15447c478bd9Sstevel@tonic-gate /* walk the queue */ 15457c478bd9Sstevel@tonic-gate mutex_enter(&ph_data->p_queue.list_mutex); 15467c478bd9Sstevel@tonic-gate next = ph_data->p_queue.next; 15477c478bd9Sstevel@tonic-gate while (next != NULL) { 15487c478bd9Sstevel@tonic-gate mutex_enter(&next->list_mutex); 15497c478bd9Sstevel@tonic-gate req_wrp = (usba_req_wrapper_t *) 15507c478bd9Sstevel@tonic-gate next->private; 15517c478bd9Sstevel@tonic-gate found = (req_wrp->wr_dip == dip); 15527c478bd9Sstevel@tonic-gate if (found) { 15537c478bd9Sstevel@tonic-gate mutex_exit(&next->list_mutex); 15547c478bd9Sstevel@tonic-gate 15557c478bd9Sstevel@tonic-gate break; 15567c478bd9Sstevel@tonic-gate } 15577c478bd9Sstevel@tonic-gate tmpnext = next->next; 15587c478bd9Sstevel@tonic-gate mutex_exit(&next->list_mutex); 15597c478bd9Sstevel@tonic-gate next = tmpnext; 15607c478bd9Sstevel@tonic-gate count++; 15617c478bd9Sstevel@tonic-gate } 15627c478bd9Sstevel@tonic-gate mutex_exit(&ph_data->p_queue.list_mutex); 15637c478bd9Sstevel@tonic-gate if (found == 0) { 15647c478bd9Sstevel@tonic-gate break; 15657c478bd9Sstevel@tonic-gate } 15667c478bd9Sstevel@tonic-gate } 15677c478bd9Sstevel@tonic-gate 15687c478bd9Sstevel@tonic-gate USB_DPRINTF_L4(DPRINT_MASK_USBAI, usbai_log_handle, 15697c478bd9Sstevel@tonic-gate "usb_pipe_sync_drain_reqs: " 15707c478bd9Sstevel@tonic-gate "cnt=%d active_req_wrp=0x%p", 15717c478bd9Sstevel@tonic-gate count, ph_data->p_active_cntrl_req_wrp); 15727c478bd9Sstevel@tonic-gate 15737c478bd9Sstevel@tonic-gate mutex_exit(&ph_data->p_mutex); 15747c478bd9Sstevel@tonic-gate delay(drv_usectohz(10000)); 15757c478bd9Sstevel@tonic-gate mutex_enter(&ph_data->p_mutex); 15767c478bd9Sstevel@tonic-gate } 15777c478bd9Sstevel@tonic-gate } else { 15787c478bd9Sstevel@tonic-gate mutex_enter(&ph_data->p_ph_impl->usba_ph_mutex); 15797c478bd9Sstevel@tonic-gate for (i = 0; (i < timeout) || (request->arg == 0); i++) { 15807c478bd9Sstevel@tonic-gate ASSERT(ph_data->p_req_count >= 0); 15817c478bd9Sstevel@tonic-gate if (ph_data->p_req_count || 15827c478bd9Sstevel@tonic-gate (ph_data->p_ph_impl->usba_ph_ref_count > 1)) { 15837c478bd9Sstevel@tonic-gate mutex_exit(&ph_data->p_ph_impl->usba_ph_mutex); 15847c478bd9Sstevel@tonic-gate mutex_exit(&ph_data->p_mutex); 15857c478bd9Sstevel@tonic-gate delay(drv_usectohz(10000)); 15867c478bd9Sstevel@tonic-gate mutex_enter(&ph_data->p_mutex); 15877c478bd9Sstevel@tonic-gate mutex_enter(&ph_data->p_ph_impl->usba_ph_mutex); 15887c478bd9Sstevel@tonic-gate } else { 15897c478bd9Sstevel@tonic-gate break; 15907c478bd9Sstevel@tonic-gate } 15917c478bd9Sstevel@tonic-gate } 15927c478bd9Sstevel@tonic-gate mutex_exit(&ph_data->p_ph_impl->usba_ph_mutex); 15937c478bd9Sstevel@tonic-gate } 15947c478bd9Sstevel@tonic-gate 15957c478bd9Sstevel@tonic-gate USB_DPRINTF_L4(DPRINT_MASK_USBAI, usbai_log_handle, 15967c478bd9Sstevel@tonic-gate "usb_pipe_sync_drain_reqs: timeout=%d active_req_wrp=0x%p req=%d", 15977c478bd9Sstevel@tonic-gate i, ph_data->p_active_cntrl_req_wrp, ph_data->p_req_count); 15987c478bd9Sstevel@tonic-gate 15997c478bd9Sstevel@tonic-gate mutex_exit(&ph_data->p_mutex); 16007c478bd9Sstevel@tonic-gate 16017c478bd9Sstevel@tonic-gate usba_release_ph_data(ph_impl); 16027c478bd9Sstevel@tonic-gate 16037c478bd9Sstevel@tonic-gate return (i >= timeout ? USB_FAILURE : USB_SUCCESS); 16047c478bd9Sstevel@tonic-gate } 16057c478bd9Sstevel@tonic-gate 16067c478bd9Sstevel@tonic-gate 16077c478bd9Sstevel@tonic-gate /* 16087c478bd9Sstevel@tonic-gate * usba_persistent_pipe_open 16097c478bd9Sstevel@tonic-gate * Open all the pipes marked persistent for this device 16107c478bd9Sstevel@tonic-gate */ 16117c478bd9Sstevel@tonic-gate int 16127c478bd9Sstevel@tonic-gate usba_persistent_pipe_open(usba_device_t *usba_device) 16137c478bd9Sstevel@tonic-gate { 16147c478bd9Sstevel@tonic-gate usba_ph_impl_t *ph_impl; 16157c478bd9Sstevel@tonic-gate usb_pipe_handle_t pipe_handle; 16167c478bd9Sstevel@tonic-gate int i; 16177c478bd9Sstevel@tonic-gate int rval = USB_SUCCESS; 16187c478bd9Sstevel@tonic-gate 16197c478bd9Sstevel@tonic-gate USB_DPRINTF_L4(DPRINT_MASK_USBAI, usbai_log_handle, 16207c478bd9Sstevel@tonic-gate "usba_persistent_pipe_open: usba_device=0x%p", usba_device); 16217c478bd9Sstevel@tonic-gate 16227c478bd9Sstevel@tonic-gate if (usba_device != NULL) { 16237c478bd9Sstevel@tonic-gate /* default pipe is the first one to be opened */ 16247c478bd9Sstevel@tonic-gate mutex_enter(&usba_device->usb_mutex); 16257c478bd9Sstevel@tonic-gate for (i = 0; (rval == USB_SUCCESS) && 16267c478bd9Sstevel@tonic-gate (i < USBA_N_ENDPOINTS); i++) { 16277c478bd9Sstevel@tonic-gate 16287c478bd9Sstevel@tonic-gate ph_impl = &usba_device->usb_ph_list[i]; 16297c478bd9Sstevel@tonic-gate mutex_enter(&ph_impl->usba_ph_mutex); 16307c478bd9Sstevel@tonic-gate if (ph_impl->usba_ph_flags & USBA_PH_DATA_PERSISTENT) { 16317c478bd9Sstevel@tonic-gate ph_impl->usba_ph_flags &= 16327c478bd9Sstevel@tonic-gate ~USBA_PH_DATA_PERSISTENT; 16337c478bd9Sstevel@tonic-gate mutex_exit(&ph_impl->usba_ph_mutex); 16347c478bd9Sstevel@tonic-gate mutex_exit(&usba_device->usb_mutex); 16357c478bd9Sstevel@tonic-gate 16367c478bd9Sstevel@tonic-gate rval = usb_pipe_open(ph_impl->usba_ph_dip, 16377c478bd9Sstevel@tonic-gate &ph_impl->usba_ph_ep, 16387c478bd9Sstevel@tonic-gate &ph_impl->usba_ph_policy, 16397c478bd9Sstevel@tonic-gate USB_FLAGS_SLEEP | USBA_FLAGS_PRIVILEGED, 16407c478bd9Sstevel@tonic-gate &pipe_handle); 16417c478bd9Sstevel@tonic-gate 16427c478bd9Sstevel@tonic-gate USB_DPRINTF_L3(DPRINT_MASK_USBAI, 16437c478bd9Sstevel@tonic-gate usbai_log_handle, 16447c478bd9Sstevel@tonic-gate "usba_persistent_pipe_open: " 16457c478bd9Sstevel@tonic-gate "ep_index=%d, rval=%d", i, rval); 16467c478bd9Sstevel@tonic-gate mutex_enter(&usba_device->usb_mutex); 16477c478bd9Sstevel@tonic-gate mutex_enter(&ph_impl->usba_ph_mutex); 16487c478bd9Sstevel@tonic-gate } 16497c478bd9Sstevel@tonic-gate mutex_exit(&ph_impl->usba_ph_mutex); 16507c478bd9Sstevel@tonic-gate } 16517c478bd9Sstevel@tonic-gate mutex_exit(&usba_device->usb_mutex); 16527c478bd9Sstevel@tonic-gate } 16537c478bd9Sstevel@tonic-gate 16547c478bd9Sstevel@tonic-gate return (rval); 16557c478bd9Sstevel@tonic-gate } 16567c478bd9Sstevel@tonic-gate 16577c478bd9Sstevel@tonic-gate 16587c478bd9Sstevel@tonic-gate /* 16597c478bd9Sstevel@tonic-gate * usba_persistent_pipe_close 16607c478bd9Sstevel@tonic-gate * Close all pipes of this device and mark them persistent 16617c478bd9Sstevel@tonic-gate */ 16627c478bd9Sstevel@tonic-gate void 16637c478bd9Sstevel@tonic-gate usba_persistent_pipe_close(usba_device_t *usba_device) 16647c478bd9Sstevel@tonic-gate { 16657c478bd9Sstevel@tonic-gate usba_ph_impl_t *ph_impl; 16667c478bd9Sstevel@tonic-gate usb_pipe_handle_t pipe_handle; 16677c478bd9Sstevel@tonic-gate int i; 16687c478bd9Sstevel@tonic-gate 16697c478bd9Sstevel@tonic-gate USB_DPRINTF_L4(DPRINT_MASK_USBAI, usbai_log_handle, 16707c478bd9Sstevel@tonic-gate "usba_persistent_pipe_close: usba_device=0x%p", usba_device); 16717c478bd9Sstevel@tonic-gate 16727c478bd9Sstevel@tonic-gate if (usba_device != NULL) { 16737c478bd9Sstevel@tonic-gate /* default pipe is the last one to be closed */ 16747c478bd9Sstevel@tonic-gate mutex_enter(&usba_device->usb_mutex); 16757c478bd9Sstevel@tonic-gate 16767c478bd9Sstevel@tonic-gate for (i = (USBA_N_ENDPOINTS - 1); i >= 0; i--) { 16777c478bd9Sstevel@tonic-gate ph_impl = &usba_device->usb_ph_list[i]; 16787c478bd9Sstevel@tonic-gate if (ph_impl->usba_ph_data != NULL) { 16797c478bd9Sstevel@tonic-gate mutex_enter(&ph_impl->usba_ph_mutex); 16807c478bd9Sstevel@tonic-gate ph_impl->usba_ph_flags |= 16817c478bd9Sstevel@tonic-gate USBA_PH_DATA_PERSISTENT; 16827c478bd9Sstevel@tonic-gate mutex_exit(&ph_impl->usba_ph_mutex); 16837c478bd9Sstevel@tonic-gate mutex_exit(&usba_device->usb_mutex); 16847c478bd9Sstevel@tonic-gate 16857c478bd9Sstevel@tonic-gate pipe_handle = (usb_pipe_handle_t)ph_impl; 16867c478bd9Sstevel@tonic-gate 16877c478bd9Sstevel@tonic-gate usb_pipe_close(ph_impl->usba_ph_dip, 16887c478bd9Sstevel@tonic-gate pipe_handle, 16897c478bd9Sstevel@tonic-gate USB_FLAGS_SLEEP | USBA_FLAGS_PRIVILEGED, 16907c478bd9Sstevel@tonic-gate NULL, NULL); 16917c478bd9Sstevel@tonic-gate mutex_enter(&usba_device->usb_mutex); 16927c478bd9Sstevel@tonic-gate ASSERT(ph_impl->usba_ph_data == NULL); 16937c478bd9Sstevel@tonic-gate } 16947c478bd9Sstevel@tonic-gate } 16957c478bd9Sstevel@tonic-gate mutex_exit(&usba_device->usb_mutex); 16967c478bd9Sstevel@tonic-gate } 16977c478bd9Sstevel@tonic-gate } 1698