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/* Copyright 2013 Baruch Even
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#include "scsicmd.h"
#include "main.h"
#include "sense_dump.h"
#include "parse_extended_inquiry.h"
#include <stdio.h>
#include <memory.h>
#include <errno.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <scsi/sg.h>
#include <inttypes.h>
#include <ctype.h>
static void dump_evpd_ascii(unsigned char *data, uint16_t data_len)
{
const uint16_t ascii_len = (data[0] << 8) | data[1];
bool not_in_string = true;
uint16_t i;
printf("ASCII len: %u\n", ascii_len);
printf("ASCII data: \"");
for (i = 2; i < ascii_len + 2; i++)
putchar(data[i]);
printf("\"\n");
for (; i < data_len; i++) {
if (isprint(data[i])) {
if (not_in_string) {
printf("Vendor string: \"");
not_in_string = false;
}
putchar(data[i]);
} else {
if (!not_in_string) {
printf("\"\n");
not_in_string = true;
}
}
}
if (!not_in_string)
printf("\"\n");
}
static void dump_evpd(int fd, uint8_t page)
{
unsigned char cdb[32];
unsigned char buf[512] ;
unsigned cdb_len = cdb_inquiry(cdb, true, page, sizeof(buf));
printf("\n\nExtended Inquiry Page %u (%02x):\n", page, page);
bool ret = submit_cmd(fd, cdb, cdb_len, buf, sizeof(buf), SG_DXFER_FROM_DEV);
if (!ret) {
fprintf(stderr, "Failed to submit command\n");
return;
}
unsigned char *sense = NULL;
unsigned sense_len = 0;
unsigned buf_len = 0;
ret = read_response_buf(fd, &sense, &sense_len, &buf_len);
if (sense) {
printf("error while reading response buffer, nothing to show\n");
return;
}
printf("Read %u bytes\n", buf_len);
response_dump(buf, buf_len);
if (buf_len < EVPD_MIN_LEN) {
printf("Buffer returned is too small, got %d expected minimum of %d", buf_len, EVPD_MIN_LEN);
return;
}
if (page >= 0x01 && page <= 0x7F) {
dump_evpd_ascii(evpd_page_data(buf), evpd_page_len(buf));
}
}
static void do_extended_inquiry(int fd)
{
unsigned char cdb[32];
unsigned char buf[512] ;
unsigned cdb_len = cdb_inquiry(cdb, true, 0, sizeof(buf));
printf("\n\nExtended Inquiry:\n");
bool ret = submit_cmd(fd, cdb, cdb_len, buf, sizeof(buf), SG_DXFER_FROM_DEV);
if (!ret) {
fprintf(stderr, "Failed to submit command\n");
return;
}
unsigned char *sense = NULL;
unsigned sense_len = 0;
unsigned buf_len = 0;
ret = read_response_buf(fd, &sense, &sense_len, &buf_len);
if (sense) {
printf("error while reading response buffer, nothing to show\n");
return;
}
printf("Read %u bytes\n", buf_len);
response_dump(buf, buf_len);
if (buf_len < EVPD_MIN_LEN) {
printf("Buffer returned is too small, got %d expected minimum of %d", buf_len, EVPD_MIN_LEN);
return;
}
printf("Peripheral Qualifier: %u\n", evpd_peripheral_qualifier(buf));
printf("Peripheral Device Type: %u\n", evpd_peripheral_device_type(buf));
uint16_t max_page_idx = evpd_page_len(buf) + 4;
uint16_t i;
for (i = 4; i < max_page_idx; i++)
dump_evpd(fd, buf[i]);
}
static void do_simple_inquiry(int fd)
{
unsigned char cdb[32];
unsigned char buf[512] ;
unsigned cdb_len = cdb_inquiry_simple(cdb, 96);
bool ret = submit_cmd(fd, cdb, cdb_len, buf, sizeof(buf), SG_DXFER_FROM_DEV);
if (!ret) {
fprintf(stderr, "Failed to submit command\n");
return;
}
unsigned char *sense = NULL;
unsigned sense_len = 0;
unsigned buf_len = 0;
ret = read_response_buf(fd, &sense, &sense_len, &buf_len);
if (sense) {
printf("error while reading response buffer, nothing to show\n");
return;
}
printf("Read %u bytes\n", buf_len);
response_dump(buf, buf_len);
int device_type;
scsi_vendor_t vendor;
scsi_model_t model;
scsi_fw_revision_t rev;
scsi_serial_t serial;
bool parsed = parse_inquiry(buf, buf_len, &device_type, vendor, model, rev, serial);
if (!parsed) {
printf("Failed to parse INQUIRY buffer\n");
return;
}
printf("Device Type: %d - %s\n", device_type, scsi_device_type_name(device_type));
printf("Vendor: %s\n", vendor);
printf("Model: %s\n", model);
printf("Rev: %s\n", rev);
printf("Serial: %s\n", serial);
}
void do_command(int fd)
{
do_simple_inquiry(fd);
do_extended_inquiry(fd);
}
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