| 1 | /*
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| 2 | * Copyright (c) 2011 Vojtech Horky
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| 3 | * All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | *
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| 9 | * - Redistributions of source code must retain the above copyright
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| 10 | * notice, this list of conditions and the following disclaimer.
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| 11 | * - Redistributions in binary form must reproduce the above copyright
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| 12 | * notice, this list of conditions and the following disclaimer in the
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| 13 | * documentation and/or other materials provided with the distribution.
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| 14 | * - The name of the author may not be used to endorse or promote products
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| 15 | * derived from this software without specific prior written permission.
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| 16 | *
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 27 | */
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| 28 |
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| 29 | /** @addtogroup drvusbmast
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| 30 | * @{
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| 31 | */
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| 32 | /**
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| 33 | * @file
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| 34 | * Main routines of USB mass storage driver.
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| 35 | */
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| 36 | #include <bitops.h>
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| 37 | #include <usb/dev/driver.h>
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| 38 | #include <usb/debug.h>
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| 39 | #include <usb/classes/classes.h>
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| 40 | #include <usb/classes/massstor.h>
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| 41 | #include <errno.h>
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| 42 | #include <str_error.h>
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| 43 | #include <str.h>
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| 44 | #include <ctype.h>
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| 45 | #include <scsi/spc.h>
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| 46 | #include "cmds.h"
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| 47 | #include "mast.h"
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| 48 |
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| 49 | /** Get string representation for SCSI peripheral device type.
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| 50 | *
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| 51 | * @param type SCSI peripheral device type code.
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| 52 | * @return String representation.
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| 53 | */
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| 54 | const char *usb_str_masstor_scsi_peripheral_device_type(unsigned type)
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| 55 | {
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| 56 | return scsi_get_dev_type_str(type);
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| 57 | }
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| 58 |
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| 59 | /** Perform SCSI INQUIRY command on USB mass storage device.
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| 60 | *
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| 61 | * @param dev USB device.
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| 62 | * @param bulk_in_idx Index (in dev->pipes) of bulk in pipe.
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| 63 | * @param bulk_out_idx Index of bulk out pipe.
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| 64 | * @param inquiry_result Where to store parsed inquiry result.
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| 65 | * @return Error code.
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| 66 | */
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| 67 | int usb_massstor_inquiry(usb_device_t *dev,
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| 68 | usb_massstor_inquiry_result_t *inquiry_result)
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| 69 | {
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| 70 | scsi_std_inquiry_data_t inq_data;
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| 71 | size_t response_len;
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| 72 | scsi_cdb_inquiry_t inquiry = {
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| 73 | .op_code = SCSI_CMD_INQUIRY,
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| 74 | .evpd = 0,
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| 75 | .page_code = 0,
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| 76 | .alloc_len = host2uint16_t_be(sizeof(inq_data)),
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| 77 | .control = 0
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| 78 | };
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| 79 |
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| 80 | int rc;
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| 81 |
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| 82 | rc = usb_massstor_data_in(dev, 0xDEADBEEF, 0, (uint8_t *) &inquiry,
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| 83 | sizeof(inquiry), &inq_data, sizeof(inq_data), &response_len);
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| 84 |
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| 85 | if (rc != EOK) {
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| 86 | usb_log_error("Failed to probe device %s using %s: %s.\n",
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| 87 | dev->ddf_dev->name, "SCSI:INQUIRY", str_error(rc));
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| 88 | return rc;
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| 89 | }
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| 90 |
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| 91 | if (response_len < SCSI_STD_INQUIRY_DATA_MIN_SIZE) {
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| 92 | usb_log_error("The SCSI inquiry response is too short.\n");
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| 93 | return EIO;
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| 94 | }
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| 95 |
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| 96 | /*
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| 97 | * Parse inquiry data and fill in the result structure.
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| 98 | */
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| 99 |
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| 100 | bzero(inquiry_result, sizeof(*inquiry_result));
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| 101 |
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| 102 | inquiry_result->device_type = BIT_RANGE_EXTRACT(uint8_t,
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| 103 | inq_data.pqual_devtype, SCSI_PQDT_DEV_TYPE_h, SCSI_PQDT_DEV_TYPE_l);
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| 104 |
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| 105 | inquiry_result->removable = BIT_RANGE_EXTRACT(uint8_t,
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| 106 | inq_data.rmb, SCSI_RMB_RMB, SCSI_RMB_RMB);
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| 107 |
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| 108 | spascii_to_str(inquiry_result->vendor, SCSI_INQ_VENDOR_STR_BUFSIZE,
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| 109 | inq_data.vendor, sizeof(inq_data.vendor));
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| 110 |
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| 111 | spascii_to_str(inquiry_result->product, SCSI_INQ_PRODUCT_STR_BUFSIZE,
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| 112 | inq_data.product, sizeof(inq_data.product));
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| 113 |
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| 114 | spascii_to_str(inquiry_result->revision, SCSI_INQ_REVISION_STR_BUFSIZE,
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| 115 | inq_data.revision, sizeof(inq_data.revision));
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| 116 |
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| 117 | return EOK;
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| 118 | }
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| 119 |
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| 120 | /**
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| 121 | * @}
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| 122 | */
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