1 /* 2 * Copyright (c) 2008-2016 Solarflare Communications Inc. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, 9 * this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright notice, 11 * this list of conditions and the following disclaimer in the documentation 12 * and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 15 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 16 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 21 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 22 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 23 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, 24 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 * 26 * The views and conclusions contained in the software and documentation are 27 * those of the authors and should not be interpreted as representing official 28 * policies, either expressed or implied, of the FreeBSD Project. 29 */ 30 31 #include <sys/types.h> 32 #include <sys/ddi.h> 33 #include <sys/sunddi.h> 34 #include <sys/stream.h> 35 #include <sys/dlpi.h> 36 37 #include "sfxge.h" 38 39 int 40 sfxge_bar_init(sfxge_t *sp) 41 { 42 efsys_bar_t *esbp = &(sp->s_bar); 43 ddi_device_acc_attr_t devacc; 44 int rc; 45 46 devacc.devacc_attr_version = DDI_DEVICE_ATTR_V0; 47 devacc.devacc_attr_endian_flags = DDI_NEVERSWAP_ACC; 48 devacc.devacc_attr_dataorder = DDI_STRICTORDER_ACC; 49 50 if (ddi_regs_map_setup(sp->s_dip, EFX_MEM_BAR, &(esbp->esb_base), 0, 0, 51 &devacc, &(esbp->esb_handle)) != DDI_SUCCESS) { 52 rc = ENODEV; 53 goto fail1; 54 } 55 56 mutex_init(&(esbp->esb_lock), NULL, MUTEX_DRIVER, NULL); 57 58 return (0); 59 60 fail1: 61 DTRACE_PROBE1(fail1, int, rc); 62 63 return (rc); 64 } 65 66 void 67 sfxge_bar_fini(sfxge_t *sp) 68 { 69 efsys_bar_t *esbp = &(sp->s_bar); 70 71 ddi_regs_map_free(&(esbp->esb_handle)); 72 73 mutex_destroy(&(esbp->esb_lock)); 74 75 esbp->esb_base = NULL; 76 esbp->esb_handle = NULL; 77 } 78