iris_scsictl.c revision 1.1.2.2
1 1.1.2.2 pgoyette /* $NetBSD: iris_scsictl.c,v 1.1.2.2 2019/01/18 08:50:23 pgoyette Exp $ */ 2 1.1.2.2 pgoyette 3 1.1.2.2 pgoyette /* 4 1.1.2.2 pgoyette * Copyright (c) 2018 Naruaki Etomi 5 1.1.2.2 pgoyette * All rights reserved. 6 1.1.2.2 pgoyette * 7 1.1.2.2 pgoyette * Redistribution and use in source and binary forms, with or without 8 1.1.2.2 pgoyette * modification, are permitted provided that the following conditions 9 1.1.2.2 pgoyette * are met: 10 1.1.2.2 pgoyette * 1. Redistributions of source code must retain the above copyright 11 1.1.2.2 pgoyette * notice, this list of conditions and the following disclaimer. 12 1.1.2.2 pgoyette * 2. Redistributions in binary form must reproduce the above copyright 13 1.1.2.2 pgoyette * notice, this list of conditions and the following disclaimer in the 14 1.1.2.2 pgoyette * documentation and/or other materials provided with the distribution. 15 1.1.2.2 pgoyette * 16 1.1.2.2 pgoyette * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 1.1.2.2 pgoyette * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 1.1.2.2 pgoyette * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 1.1.2.2 pgoyette * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 1.1.2.2 pgoyette * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 1.1.2.2 pgoyette * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 1.1.2.2 pgoyette * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 1.1.2.2 pgoyette * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 1.1.2.2 pgoyette * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 1.1.2.2 pgoyette * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 1.1.2.2 pgoyette */ 27 1.1.2.2 pgoyette 28 1.1.2.2 pgoyette /* 29 1.1.2.2 pgoyette * Silicon Graphics "IRIS" series MIPS processors machine bootloader. 30 1.1.2.2 pgoyette * Front end of SCSI commands driver. 31 1.1.2.2 pgoyette */ 32 1.1.2.2 pgoyette 33 1.1.2.2 pgoyette #include <lib/libsa/stand.h> 34 1.1.2.2 pgoyette 35 1.1.2.2 pgoyette #include "iris_machdep.h" 36 1.1.2.2 pgoyette #include "iris_scsivar.h" 37 1.1.2.2 pgoyette #include "iris_scsicmd.h" 38 1.1.2.2 pgoyette 39 1.1.2.2 pgoyette int 40 1.1.2.2 pgoyette scsi_test_unit_rdy(void) 41 1.1.2.2 pgoyette { 42 1.1.2.2 pgoyette struct wd33c93_softc *sc = &wd33c93_softc[scsi_ctlr]; 43 1.1.2.2 pgoyette static struct scsi_cdb6 cdb = { CMD_TEST_UNIT_READY }; 44 1.1.2.2 pgoyette 45 1.1.2.2 pgoyette return wd33c93_go(sc, (uint8_t *)&cdb, sizeof(cdb), NULL, NULL); 46 1.1.2.2 pgoyette } 47 1.1.2.2 pgoyette 48 1.1.2.2 pgoyette int 49 1.1.2.2 pgoyette scsi_read_capacity(uint8_t *buf, size_t olen) 50 1.1.2.2 pgoyette { 51 1.1.2.2 pgoyette size_t len = olen; 52 1.1.2.2 pgoyette size_t *lenp; 53 1.1.2.2 pgoyette lenp = &len; 54 1.1.2.2 pgoyette struct wd33c93_softc *sc = &wd33c93_softc[scsi_ctlr]; 55 1.1.2.2 pgoyette static struct scsi_cdb10 cdb = { CMD_READ_CAPACITY }; 56 1.1.2.2 pgoyette 57 1.1.2.2 pgoyette return wd33c93_go(sc, (uint8_t *)&cdb, sizeof(cdb), buf, lenp); 58 1.1.2.2 pgoyette } 59 1.1.2.2 pgoyette 60 1.1.2.2 pgoyette int 61 1.1.2.2 pgoyette scsi_read(uint8_t *buf, size_t olen, daddr_t blk, u_int nblk) 62 1.1.2.2 pgoyette { 63 1.1.2.2 pgoyette size_t len = olen; 64 1.1.2.2 pgoyette size_t *lenp; 65 1.1.2.2 pgoyette lenp = &len; 66 1.1.2.2 pgoyette struct wd33c93_softc *sc = &wd33c93_softc[scsi_ctlr]; 67 1.1.2.2 pgoyette struct scsi_cdb10 cdb; 68 1.1.2.2 pgoyette 69 1.1.2.2 pgoyette memset(&cdb, 0, sizeof(cdb)); 70 1.1.2.2 pgoyette cdb.cmd = CMD_READ_EXT; 71 1.1.2.2 pgoyette cdb.lbah = blk >> 24; 72 1.1.2.2 pgoyette cdb.lbahm = blk >> 16; 73 1.1.2.2 pgoyette cdb.lbalm = blk >> 8; 74 1.1.2.2 pgoyette cdb.lbal = blk; 75 1.1.2.2 pgoyette cdb.lenh = nblk >> (8 + DEV_BSHIFT); 76 1.1.2.2 pgoyette cdb.lenl = nblk >> DEV_BSHIFT; 77 1.1.2.2 pgoyette wd33c93_go(sc, (uint8_t *)&cdb, sizeof(cdb), buf, lenp); 78 1.1.2.2 pgoyette 79 1.1.2.2 pgoyette if (*lenp == olen) 80 1.1.2.2 pgoyette return 1; 81 1.1.2.2 pgoyette 82 1.1.2.2 pgoyette return 0; 83 1.1.2.2 pgoyette } 84 1.1.2.2 pgoyette 85 1.1.2.2 pgoyette int 86 1.1.2.2 pgoyette scsi_write(uint8_t *buf, size_t olen, daddr_t blk, u_int nblk) 87 1.1.2.2 pgoyette { 88 1.1.2.2 pgoyette size_t len = olen; 89 1.1.2.2 pgoyette size_t *lenp; 90 1.1.2.2 pgoyette lenp = &len; 91 1.1.2.2 pgoyette 92 1.1.2.2 pgoyette struct wd33c93_softc *sc = &wd33c93_softc[scsi_ctlr]; 93 1.1.2.2 pgoyette struct scsi_cdb10 cdb; 94 1.1.2.2 pgoyette 95 1.1.2.2 pgoyette memset(&cdb, 0, sizeof(cdb)); 96 1.1.2.2 pgoyette cdb.cmd = CMD_WRITE_EXT; 97 1.1.2.2 pgoyette cdb.lbah = blk >> 24; 98 1.1.2.2 pgoyette cdb.lbahm = blk >> 16; 99 1.1.2.2 pgoyette cdb.lbalm = blk >> 8; 100 1.1.2.2 pgoyette cdb.lbal = blk; 101 1.1.2.2 pgoyette cdb.lenh = nblk >> (8 + DEV_BSHIFT); 102 1.1.2.2 pgoyette cdb.lenl = nblk >> DEV_BSHIFT; 103 1.1.2.2 pgoyette wd33c93_go(sc, (uint8_t *)&cdb, sizeof(cdb), buf, lenp); 104 1.1.2.2 pgoyette 105 1.1.2.2 pgoyette if (*lenp == olen) 106 1.1.2.2 pgoyette return 1; 107 1.1.2.2 pgoyette 108 1.1.2.2 pgoyette return 0; 109 1.1.2.2 pgoyette } 110
Indexes created Thu Oct 02 14:10:14 GMT 2025