/*
- * scsi_serial.c
- *
- * Code related to requesting and getting an id from a scsi device
- *
* Copyright (C) IBM Corp. 2003
*
* Author:
#include <stdlib.h>
#include <unistd.h>
#include <syslog.h>
+#include <time.h>
#include <inttypes.h>
#include <scsi/scsi.h>
#include <scsi/sg.h>
#include <linux/types.h>
-/* #include <linux/bsg.h> */
-#include "bsg.h"
+#include <linux/bsg.h>
-#include "../../udev.h"
+#include "libudev.h"
+#include "libudev-private.h"
#include "scsi.h"
#include "scsi_id.h"
-#include "scsi_id_version.h"
/*
* A priority based list of id, naa, and binary/ascii for the identifier
#define SG_ERR_CAT_MEDIA_CHANGED 1 /* interpreted from sense buffer */
#define SG_ERR_CAT_RESET 2 /* interpreted from sense buffer */
#define SG_ERR_CAT_TIMEOUT 3
-#define SG_ERR_CAT_RECOVERED 4 /* Successful command after recovered err */
-#define SG_ERR_CAT_NOTSUPPORTED 5 /* Illegal / unsupported command */
+#define SG_ERR_CAT_RECOVERED 4 /* Successful command after recovered err */
+#define SG_ERR_CAT_NOTSUPPORTED 5 /* Illegal / unsupported command */
#define SG_ERR_CAT_SENSE 98 /* Something else in the sense buffer */
#define SG_ERR_CAT_OTHER 99 /* Some other error/warning */
-static int sg_err_category_new(int scsi_status, int msg_status, int
+static int do_scsi_page80_inquiry(struct udev *udev,
+ struct scsi_id_device *dev_scsi, int fd,
+ char *serial, char *serial_short, int max_len);
+
+static int sg_err_category_new(struct udev *udev,
+ int scsi_status, int msg_status, int
host_status, int driver_status, const
unsigned char *sense_buffer, int sb_len)
{
return SG_ERR_CAT_OTHER;
}
-static int sg_err_category3(struct sg_io_hdr *hp)
+static int sg_err_category3(struct udev *udev, struct sg_io_hdr *hp)
{
- return sg_err_category_new(hp->status, hp->msg_status,
+ return sg_err_category_new(udev,
+ hp->status, hp->msg_status,
hp->host_status, hp->driver_status,
hp->sbp, hp->sb_len_wr);
}
-static int sg_err_category4(struct sg_io_v4 *hp)
+static int sg_err_category4(struct udev *udev, struct sg_io_v4 *hp)
{
- return sg_err_category_new(hp->device_status, 0,
+ return sg_err_category_new(udev, hp->device_status, 0,
hp->transport_status, hp->driver_status,
- (unsigned char *)hp->response,
+ (unsigned char *)(uintptr_t)hp->response,
hp->response_len);
}
-static int scsi_dump_sense(struct scsi_id_device *dev_scsi,
+static int scsi_dump_sense(struct udev *udev,
+ struct scsi_id_device *dev_scsi,
unsigned char *sense_buffer, int sb_len)
{
int s;
int code;
int sense_class;
int sense_key;
- int descriptor_format;
int asc, ascq;
#ifdef DUMP_SENSE
char out_buffer[256];
* we'll retry the command.
*/
- dbg("got check condition\n");
+ dbg(udev, "got check condition\n");
if (sb_len < 1) {
- info("%s: sense buffer empty\n", dev_scsi->kernel);
+ info(udev, "%s: sense buffer empty\n", dev_scsi->kernel);
return -1;
}
*/
s = sense_buffer[7] + 8;
if (sb_len < s) {
- info("%s: sense buffer too small %d bytes, %d bytes too short\n",
+ info(udev, "%s: sense buffer too small %d bytes, %d bytes too short\n",
dev_scsi->kernel, sb_len, s - sb_len);
return -1;
}
if ((code == 0x0) || (code == 0x1)) {
- descriptor_format = 0;
sense_key = sense_buffer[2] & 0xf;
if (s < 14) {
/*
* Possible?
*/
- info("%s: sense result too" " small %d bytes\n",
+ info(udev, "%s: sense result too" " small %d bytes\n",
dev_scsi->kernel, s);
return -1;
}
asc = sense_buffer[12];
ascq = sense_buffer[13];
} else if ((code == 0x2) || (code == 0x3)) {
- descriptor_format = 1;
sense_key = sense_buffer[1] & 0xf;
asc = sense_buffer[2];
ascq = sense_buffer[3];
} else {
- info("%s: invalid sense code 0x%x\n",
+ info(udev, "%s: invalid sense code 0x%x\n",
dev_scsi->kernel, code);
return -1;
}
- info("%s: sense key 0x%x ASC 0x%x ASCQ 0x%x\n",
+ info(udev, "%s: sense key 0x%x ASC 0x%x ASCQ 0x%x\n",
dev_scsi->kernel, sense_key, asc, ascq);
} else {
if (sb_len < 4) {
- info("%s: sense buffer too small %d bytes, %d bytes too short\n",
+ info(udev, "%s: sense buffer too small %d bytes, %d bytes too short\n",
dev_scsi->kernel, sb_len, 4 - sb_len);
return -1;
}
if (sense_buffer[0] < 15)
- info("%s: old sense key: 0x%x\n", dev_scsi->kernel, sense_buffer[0] & 0x0f);
+ info(udev, "%s: old sense key: 0x%x\n", dev_scsi->kernel, sense_buffer[0] & 0x0f);
else
- info("%s: sense = %2x %2x\n",
+ info(udev, "%s: sense = %2x %2x\n",
dev_scsi->kernel, sense_buffer[0], sense_buffer[2]);
- info("%s: non-extended sense class %d code 0x%0x\n",
+ info(udev, "%s: non-extended sense class %d code 0x%0x\n",
dev_scsi->kernel, sense_class, code);
}
#ifdef DUMP_SENSE
for (i = 0, j = 0; (i < s) && (j < 254); i++) {
- dbg("i %d, j %d\n", i, j);
+ dbg(udev, "i %d, j %d\n", i, j);
out_buffer[j++] = hex_str[(sense_buffer[i] & 0xf0) >> 4];
out_buffer[j++] = hex_str[sense_buffer[i] & 0x0f];
out_buffer[j++] = ' ';
}
out_buffer[j] = '\0';
- info("%s: sense dump:\n", dev_scsi->kernel);
- info("%s: %s\n", dev_scsi->kernel, out_buffer);
+ info(udev, "%s: sense dump:\n", dev_scsi->kernel);
+ info(udev, "%s: %s\n", dev_scsi->kernel, out_buffer);
#endif
return -1;
}
-static int scsi_dump(struct scsi_id_device *dev_scsi, struct sg_io_hdr *io)
+static int scsi_dump(struct udev *udev,
+ struct scsi_id_device *dev_scsi, struct sg_io_hdr *io)
{
if (!io->status && !io->host_status && !io->msg_status &&
!io->driver_status) {
/*
* Impossible, should not be called.
*/
- info("%s: called with no error\n", __FUNCTION__);
+ info(udev, "%s: called with no error\n", __FUNCTION__);
return -1;
}
- info("%s: sg_io failed status 0x%x 0x%x 0x%x 0x%x\n",
+ info(udev, "%s: sg_io failed status 0x%x 0x%x 0x%x 0x%x\n",
dev_scsi->kernel, io->driver_status, io->host_status, io->msg_status, io->status);
if (io->status == SCSI_CHECK_CONDITION)
- return scsi_dump_sense(dev_scsi, io->sbp, io->sb_len_wr);
+ return scsi_dump_sense(udev, dev_scsi, io->sbp, io->sb_len_wr);
else
return -1;
}
-static int scsi_dump_v4(struct scsi_id_device *dev_scsi, struct sg_io_v4 *io)
+static int scsi_dump_v4(struct udev *udev,
+ struct scsi_id_device *dev_scsi, struct sg_io_v4 *io)
{
if (!io->device_status && !io->transport_status &&
!io->driver_status) {
/*
* Impossible, should not be called.
*/
- info("%s: called with no error\n", __FUNCTION__);
+ info(udev, "%s: called with no error\n", __FUNCTION__);
return -1;
}
- info("%s: sg_io failed status 0x%x 0x%x 0x%x\n",
+ info(udev, "%s: sg_io failed status 0x%x 0x%x 0x%x\n",
dev_scsi->kernel, io->driver_status, io->transport_status,
io->device_status);
if (io->device_status == SCSI_CHECK_CONDITION)
- return scsi_dump_sense(dev_scsi, (unsigned char *)io->response,
+ return scsi_dump_sense(udev, dev_scsi, (unsigned char *)(uintptr_t)io->response,
io->response_len);
else
return -1;
}
-static int scsi_inquiry(struct scsi_id_device *dev_scsi, int fd,
+static int scsi_inquiry(struct udev *udev,
+ struct scsi_id_device *dev_scsi, int fd,
unsigned char evpd, unsigned char page,
unsigned char *buf, unsigned int buflen)
{
int retry = 3; /* rather random */
if (buflen > SCSI_INQ_BUFF_LEN) {
- info("buflen %d too long\n", buflen);
+ info(udev, "buflen %d too long\n", buflen);
return -1;
}
resend:
- dbg("%s evpd %d, page 0x%x\n", dev_scsi->kernel, evpd, page);
+ dbg(udev, "%s evpd %d, page 0x%x\n", dev_scsi->kernel, evpd, page);
if (dev_scsi->use_sg == 4) {
struct sg_io_v4 io_v4;
io_buf = (void *)&io_hdr;
}
- if (ioctl(fd, SG_IO, io_buf) < 0) {
+ retval = ioctl(fd, SG_IO, io_buf);
+ if (retval < 0) {
if ((errno == EINVAL || errno == ENOSYS) && dev_scsi->use_sg == 4) {
dev_scsi->use_sg = 3;
goto resend;
}
- info("%s: ioctl failed: %s\n", dev_scsi->kernel, strerror(errno));
- retval = -1;
+ info(udev, "%s: ioctl failed: %s\n", dev_scsi->kernel, strerror(errno));
goto error;
}
if (dev_scsi->use_sg == 4)
- retval = sg_err_category4(io_buf);
+ retval = sg_err_category4(udev, io_buf);
else
- retval = sg_err_category3(io_buf);
+ retval = sg_err_category3(udev, io_buf);
switch (retval) {
case SG_ERR_CAT_NOTSUPPORTED:
default:
if (dev_scsi->use_sg == 4)
- retval = scsi_dump_v4(dev_scsi, io_buf);
+ retval = scsi_dump_v4(udev, dev_scsi, io_buf);
else
- retval = scsi_dump(dev_scsi, io_buf);
+ retval = scsi_dump(udev, dev_scsi, io_buf);
}
if (!retval) {
retval = buflen;
} else if (retval > 0) {
if (--retry > 0) {
- dbg("%s: Retrying ...\n", dev_scsi->kernel);
+ dbg(udev, "%s: Retrying ...\n", dev_scsi->kernel);
goto resend;
}
retval = -1;
error:
if (retval < 0)
- info("%s: Unable to get INQUIRY vpd %d page 0x%x.\n",
+ info(udev, "%s: Unable to get INQUIRY vpd %d page 0x%x.\n",
dev_scsi->kernel, evpd, page);
return retval;
}
/* Get list of supported EVPD pages */
-static int do_scsi_page0_inquiry(struct scsi_id_device *dev_scsi, int fd,
+static int do_scsi_page0_inquiry(struct udev *udev,
+ struct scsi_id_device *dev_scsi, int fd,
unsigned char *buffer, unsigned int len)
{
int retval;
memset(buffer, 0, len);
- retval = scsi_inquiry(dev_scsi, fd, 1, 0x0, buffer, len);
+ retval = scsi_inquiry(udev, dev_scsi, fd, 1, 0x0, buffer, len);
if (retval < 0)
return 1;
if (buffer[1] != 0) {
- info("%s: page 0 not available.\n", dev_scsi->kernel);
+ info(udev, "%s: page 0 not available.\n", dev_scsi->kernel);
return 1;
}
if (buffer[3] > len) {
- info("%s: page 0 buffer too long %d\n", dev_scsi->kernel, buffer[3]);
+ info(udev, "%s: page 0 buffer too long %d\n", dev_scsi->kernel, buffer[3]);
return 1;
}
* invalid.
*/
if (!strncmp((char *)&buffer[VENDOR_LENGTH], dev_scsi->vendor, VENDOR_LENGTH)) {
- info("%s: invalid page0 data\n", dev_scsi->kernel);
+ info(udev, "%s: invalid page0 data\n", dev_scsi->kernel);
return 1;
}
}
* The caller checks that serial is long enough to include the vendor +
* model.
*/
-static int prepend_vendor_model(struct scsi_id_device *dev_scsi, char *serial)
+static int prepend_vendor_model(struct udev *udev,
+ struct scsi_id_device *dev_scsi, char *serial)
{
int ind;
strncpy(serial, dev_scsi->vendor, VENDOR_LENGTH);
- ind = strlen(serial) - 1;
-
strncat(serial, dev_scsi->model, MODEL_LENGTH);
- ind = strlen(serial) - 1;
- ind++;
+ ind = strlen(serial);
/*
* This is not a complete check, since we are using strncat/cpy
* above, ind will never be too large.
*/
if (ind != (VENDOR_LENGTH + MODEL_LENGTH)) {
- info("%s: expected length %d, got length %d\n",
+ info(udev, "%s: expected length %d, got length %d\n",
dev_scsi->kernel, (VENDOR_LENGTH + MODEL_LENGTH), ind);
- return 1;
+ return -1;
}
return ind;
}
* check_fill_0x83_id - check the page 0x83 id, if OK allocate and fill
* serial number.
**/
-static int check_fill_0x83_id(struct scsi_id_device *dev_scsi,
+static int check_fill_0x83_id(struct udev *udev,
+ struct scsi_id_device *dev_scsi,
unsigned char *page_83,
const struct scsi_id_search_values
- *id_search, char *serial, char *serial_short, int max_len)
+ *id_search, char *serial, char *serial_short, int max_len,
+ char *wwn,
+ char *wwn_vendor_extension)
{
int i, j, s, len;
len += VENDOR_LENGTH + MODEL_LENGTH;
if (max_len < len) {
- info("%s: length %d too short - need %d\n",
+ info(udev, "%s: length %d too short - need %d\n",
dev_scsi->kernel, max_len, len);
return 1;
}
* included in the identifier.
*/
if (id_search->id_type == SCSI_ID_VENDOR_SPECIFIC)
- if (prepend_vendor_model(dev_scsi, &serial[1]) < 0) {
- dbg("prepend failed\n");
+ if (prepend_vendor_model(udev, dev_scsi, &serial[1]) < 0) {
+ dbg(udev, "prepend failed\n");
return 1;
}
}
strcpy(serial_short, &serial[s]);
+
+ if (id_search->id_type == SCSI_ID_NAA && wwn != NULL) {
+ strncpy(wwn, &serial[s], 16);
+ if (wwn_vendor_extension != NULL) {
+ strncpy(wwn_vendor_extension, &serial[s + 16], 16);
+ }
+ }
return 0;
}
/* Extract the raw binary from VPD 0x83 pre-SPC devices */
-static int check_fill_0x83_prespc3(struct scsi_id_device *dev_scsi,
+static int check_fill_0x83_prespc3(struct udev *udev,
+ struct scsi_id_device *dev_scsi,
unsigned char *page_83,
const struct scsi_id_search_values
*id_search, char *serial, char *serial_short, int max_len)
{
int i, j;
- dbg("using pre-spc3-83 for %s\n", dev_scsi->kernel);
+ dbg(udev, "using pre-spc3-83 for %s\n", dev_scsi->kernel);
serial[0] = hex_str[id_search->id_type];
/* serial has been memset to zero before */
j = strlen(serial); /* j = 1; */
- for (i = 0; i < page_83[3]; ++i) {
+ for (i = 0; (i < page_83[3]) && (j < max_len-3); ++i) {
serial[j++] = hex_str[(page_83[4+i] & 0xf0) >> 4];
serial[j++] = hex_str[ page_83[4+i] & 0x0f];
}
- strcpy(serial_short, serial);
+ serial[max_len-1] = 0;
+ strncpy(serial_short, serial, max_len-1);
return 0;
}
/* Get device identification VPD page */
-static int do_scsi_page83_inquiry(struct scsi_id_device *dev_scsi, int fd,
- char *serial, char *serial_short, int len)
+static int do_scsi_page83_inquiry(struct udev *udev,
+ struct scsi_id_device *dev_scsi, int fd,
+ char *serial, char *serial_short, int len,
+ char *unit_serial_number, char *wwn,
+ char *wwn_vendor_extension)
{
int retval;
unsigned int id_ind, j;
unsigned char page_83[SCSI_INQ_BUFF_LEN];
+ /* also pick up the page 80 serial number */
+ do_scsi_page80_inquiry(udev, dev_scsi, fd, NULL, unit_serial_number, MAX_SERIAL_LEN);
+
memset(page_83, 0, SCSI_INQ_BUFF_LEN);
- retval = scsi_inquiry(dev_scsi, fd, 1, PAGE_83, page_83,
+ retval = scsi_inquiry(udev, dev_scsi, fd, 1, PAGE_83, page_83,
SCSI_INQ_BUFF_LEN);
if (retval < 0)
return 1;
if (page_83[1] != PAGE_83) {
- info("%s: Invalid page 0x83\n", dev_scsi->kernel);
+ info(udev, "%s: Invalid page 0x83\n", dev_scsi->kernel);
return 1;
}
/*
* XXX Some devices (IBM 3542) return all spaces for an identifier if
- * the LUN is not actually configured. This leads to identifers of
+ * the LUN is not actually configured. This leads to identifiers of
* the form: "1 ".
*/
*/
if (page_83[6] != 0)
- return check_fill_0x83_prespc3(dev_scsi, page_83, id_search_list,
+ return check_fill_0x83_prespc3(udev,
+ dev_scsi, page_83, id_search_list,
serial, serial_short, len);
/*
- * Search for a match in the prioritized id_search_list.
+ * Search for a match in the prioritized id_search_list - since WWN ids
+ * come first we can pick up the WWN in check_fill_0x83_id().
*/
for (id_ind = 0;
id_ind < sizeof(id_search_list)/sizeof(id_search_list[0]);
* one or a small number of descriptors.
*/
for (j = 4; j <= (unsigned int)page_83[3] + 3; j += page_83[j + 3] + 4) {
- retval = check_fill_0x83_id(dev_scsi, &page_83[j],
+ retval = check_fill_0x83_id(udev,
+ dev_scsi, &page_83[j],
&id_search_list[id_ind],
- serial, serial_short, len);
- dbg("%s id desc %d/%d/%d\n", dev_scsi->kernel,
+ serial, serial_short, len,
+ wwn,
+ wwn_vendor_extension);
+ dbg(udev, "%s id desc %d/%d/%d\n", dev_scsi->kernel,
id_search_list[id_ind].id_type,
id_search_list[id_ind].naa_type,
id_search_list[id_ind].code_set);
if (!retval) {
- dbg(" used\n");
+ dbg(udev, " used\n");
return retval;
} else if (retval < 0) {
- dbg(" failed\n");
+ dbg(udev, " failed\n");
return retval;
} else {
- dbg(" not used\n");
+ dbg(udev, " not used\n");
}
}
}
* Return the hard coded error code value 2 if the page 83 reply is not
* conformant to the SCSI-2 format.
*/
-static int do_scsi_page83_prespc3_inquiry(struct scsi_id_device *dev_scsi, int fd,
- char *serial, char *serial_short, int len)
+static int do_scsi_page83_prespc3_inquiry(struct udev *udev,
+ struct scsi_id_device *dev_scsi, int fd,
+ char *serial, char *serial_short, int len)
{
int retval;
int i, j;
unsigned char page_83[SCSI_INQ_BUFF_LEN];
memset(page_83, 0, SCSI_INQ_BUFF_LEN);
- retval = scsi_inquiry(dev_scsi, fd, 1, PAGE_83, page_83, SCSI_INQ_BUFF_LEN);
+ retval = scsi_inquiry(udev, dev_scsi, fd, 1, PAGE_83, page_83, SCSI_INQ_BUFF_LEN);
if (retval < 0)
return 1;
if (page_83[1] != PAGE_83) {
- info("%s: Invalid page 0x83\n", dev_scsi->kernel);
+ info(udev, "%s: Invalid page 0x83\n", dev_scsi->kernel);
return 1;
}
/*
serial[j++] = hex_str[page_83[i] & 0x0f];
i++;
}
- dbg("using pre-spc3-83 for %s\n", dev_scsi->kernel);
+ dbg(udev, "using pre-spc3-83 for %s\n", dev_scsi->kernel);
return 0;
}
/* Get unit serial number VPD page */
-static int do_scsi_page80_inquiry(struct scsi_id_device *dev_scsi, int fd,
+static int do_scsi_page80_inquiry(struct udev *udev,
+ struct scsi_id_device *dev_scsi, int fd,
char *serial, char *serial_short, int max_len)
{
int retval;
unsigned char buf[SCSI_INQ_BUFF_LEN];
memset(buf, 0, SCSI_INQ_BUFF_LEN);
- retval = scsi_inquiry(dev_scsi, fd, 1, PAGE_80, buf, SCSI_INQ_BUFF_LEN);
+ retval = scsi_inquiry(udev, dev_scsi, fd, 1, PAGE_80, buf, SCSI_INQ_BUFF_LEN);
if (retval < 0)
return retval;
if (buf[1] != PAGE_80) {
- info("%s: Invalid page 0x80\n", dev_scsi->kernel);
+ info(udev, "%s: Invalid page 0x80\n", dev_scsi->kernel);
return 1;
}
len = 1 + VENDOR_LENGTH + MODEL_LENGTH + buf[3];
if (max_len < len) {
- info("%s: length %d too short - need %d\n",
- dev_scsi->kernel, max_len, len);
+ info(udev, "%s: length %d too short - need %d\n",
+ dev_scsi->kernel, max_len, len);
return 1;
}
/*
* Prepend 'S' to avoid unlikely collision with page 0x83 vendor
* specific type where we prepend '0' + vendor + model.
*/
- serial[0] = 'S';
- ser_ind = prepend_vendor_model(dev_scsi, &serial[1]);
- if (ser_ind < 0)
- return 1;
- len = buf[3];
- for (i = 4; i < len + 4; i++, ser_ind++)
- serial[ser_ind] = buf[i];
- memcpy(serial_short, &buf[4], len);
- serial_short[len] = '\0';
+ len = buf[3];
+ if (serial != NULL) {
+ serial[0] = 'S';
+ ser_ind = prepend_vendor_model(udev, dev_scsi, &serial[1]);
+ if (ser_ind < 0)
+ return 1;
+ for (i = 4; i < len + 4; i++, ser_ind++)
+ serial[ser_ind] = buf[i];
+ }
+ if (serial_short != NULL) {
+ memcpy(serial_short, &buf[4], len);
+ serial_short[len] = '\0';
+ }
return 0;
}
-int scsi_std_inquiry(struct scsi_id_device *dev_scsi, const char *devname)
+int scsi_std_inquiry(struct udev *udev,
+ struct scsi_id_device *dev_scsi, const char *devname)
{
int fd;
unsigned char buf[SCSI_INQ_BUFF_LEN];
struct stat statbuf;
int err = 0;
- dbg("opening %s\n", devname);
+ dbg(udev, "opening %s\n", devname);
fd = open(devname, O_RDONLY | O_NONBLOCK);
if (fd < 0) {
- info("scsi_id: cannot open %s: %s\n",
+ info(udev, "scsi_id: cannot open %s: %s\n",
devname, strerror(errno));
return 1;
}
if (fstat(fd, &statbuf) < 0) {
- info("scsi_id: cannot stat %s: %s\n",
+ info(udev, "scsi_id: cannot stat %s: %s\n",
devname, strerror(errno));
err = 2;
goto out;
minor(statbuf.st_rdev));
memset(buf, 0, SCSI_INQ_BUFF_LEN);
- err = scsi_inquiry(dev_scsi, fd, 0, 0, buf, SCSI_INQ_BUFF_LEN);
+ err = scsi_inquiry(udev, dev_scsi, fd, 0, 0, buf, SCSI_INQ_BUFF_LEN);
if (err < 0)
goto out;
+ err = 0;
memcpy(dev_scsi->vendor, buf + 8, 8);
dev_scsi->vendor[8] = '\0';
memcpy(dev_scsi->model, buf + 16, 16);
return err;
}
-int scsi_get_serial (struct scsi_id_device *dev_scsi, const char *devname,
- int page_code, char *serial_short, int len)
+int scsi_get_serial(struct udev *udev,
+ struct scsi_id_device *dev_scsi, const char *devname,
+ int page_code, int len)
{
unsigned char page0[SCSI_INQ_BUFF_LEN];
int fd = -1;
- int cnt = 10;
+ int cnt;
int ind;
int retval;
memset(dev_scsi->serial, 0, len);
- dbg("opening %s\n", devname);
- while (--cnt) {
+ dbg(udev, "opening %s\n", devname);
+ srand((unsigned int)getpid());
+ for (cnt = 20; cnt > 0; cnt--) {
+ struct timespec duration;
+
fd = open(devname, O_RDONLY | O_NONBLOCK);
- if (fd >= 0)
- break;
- info("%s: cannot open %s: %s\n", dev_scsi->kernel, devname, strerror(errno));
- if (errno != EBUSY)
+ if (fd >= 0 || errno != EBUSY)
break;
- usleep(500000 + (rand() % 100000) );
+ duration.tv_sec = 0;
+ duration.tv_nsec = (200 * 1000 * 1000) + (rand() % 100 * 1000 * 1000);
+ nanosleep(&duration, NULL);
}
if (fd < 0)
return 1;
if (page_code == PAGE_80) {
- if (do_scsi_page80_inquiry(dev_scsi, fd, dev_scsi->serial, serial_short, len)) {
+ if (do_scsi_page80_inquiry(udev, dev_scsi, fd, dev_scsi->serial, dev_scsi->serial_short, len)) {
retval = 1;
goto completed;
} else {
goto completed;
}
} else if (page_code == PAGE_83) {
- if (do_scsi_page83_inquiry(dev_scsi, fd, dev_scsi->serial, serial_short, len)) {
+ if (do_scsi_page83_inquiry(udev, dev_scsi, fd, dev_scsi->serial, dev_scsi->serial_short, len, dev_scsi->unit_serial_number, dev_scsi->wwn, dev_scsi->wwn_vendor_extension)) {
retval = 1;
goto completed;
} else {
goto completed;
}
} else if (page_code == PAGE_83_PRE_SPC3) {
- retval = do_scsi_page83_prespc3_inquiry(dev_scsi, fd, dev_scsi->serial, serial_short, len);
+ retval = do_scsi_page83_prespc3_inquiry(udev, dev_scsi, fd, dev_scsi->serial, dev_scsi->serial_short, len);
if (retval) {
/*
* Fallback to servicing a SPC-2/3 compliant page 83
* conform to pre-SPC3 expectations.
*/
if (retval == 2) {
- if (do_scsi_page83_inquiry(dev_scsi, fd, dev_scsi->serial, serial_short, len)) {
+ if (do_scsi_page83_inquiry(udev, dev_scsi, fd, dev_scsi->serial, dev_scsi->serial_short, len, dev_scsi->unit_serial_number, dev_scsi->wwn, dev_scsi->wwn_vendor_extension)) {
retval = 1;
goto completed;
} else {
goto completed;
}
} else if (page_code != 0x00) {
- info("%s: unsupported page code 0x%d\n", dev_scsi->kernel, page_code);
+ info(udev, "%s: unsupported page code 0x%d\n", dev_scsi->kernel, page_code);
return 1;
}
* Get page 0, the page of the pages. By default, try from best to
* worst of supported pages: 0x83 then 0x80.
*/
- if (do_scsi_page0_inquiry(dev_scsi, fd, page0, SCSI_INQ_BUFF_LEN)) {
+ if (do_scsi_page0_inquiry(udev, dev_scsi, fd, page0, SCSI_INQ_BUFF_LEN)) {
/*
* Don't try anything else. Black list if a specific page
* should be used for this vendor+model, or maybe have an
goto completed;
}
- dbg("%s: Checking page0\n", dev_scsi->kernel);
+ dbg(udev, "%s: Checking page0\n", dev_scsi->kernel);
for (ind = 4; ind <= page0[3] + 3; ind++)
if (page0[ind] == PAGE_83)
- if (!do_scsi_page83_inquiry(dev_scsi, fd,
- dev_scsi->serial, serial_short, len)) {
+ if (!do_scsi_page83_inquiry(udev, dev_scsi, fd,
+ dev_scsi->serial, dev_scsi->serial_short, len, dev_scsi->unit_serial_number, dev_scsi->wwn, dev_scsi->wwn_vendor_extension)) {
/*
* Success
*/
for (ind = 4; ind <= page0[3] + 3; ind++)
if (page0[ind] == PAGE_80)
- if (!do_scsi_page80_inquiry(dev_scsi, fd,
- dev_scsi->serial, serial_short, len)) {
+ if (!do_scsi_page80_inquiry(udev, dev_scsi, fd,
+ dev_scsi->serial, dev_scsi->serial_short, len)) {
/*
* Success
*/