1SCSI_GET_VPD_PAGE(9)            SCSI mid layer            SCSI_GET_VPD_PAGE(9)
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NAME

6       scsi_get_vpd_page - Get Vital Product Data from a SCSI device
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SYNOPSIS

9       int scsi_get_vpd_page(struct scsi_device * sdev, u8 page,
10                             unsigned char * buf, int buf_len);
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ARGUMENTS

13       sdev
14           The device to ask
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16       page
17           Which Vital Product Data to return
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19       buf
20           -- undescribed --
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22       buf_len
23           -- undescribed --
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DESCRIPTION

26       SCSI devices may optionally supply Vital Product Data. Each ´page´ of
27       VPD is defined in the appropriate SCSI document (eg SPC, SBC). If the
28       device supports this VPD page, this routine returns a pointer to a
29       buffer containing the data from that page. The caller is responsible
30       for calling kfree on this pointer when it is no longer needed. If we
31       cannot retrieve the VPD page this routine returns NULL.
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AUTHORS

34       James Bottomley <James.Bottomley@hansenpartnership.com>
35           Author.
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37       Rob Landley <rob@landley.net>
38           Author.
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41Kernel Hackers Manual 2.6.         June 2019              SCSI_GET_VPD_PAGE(9)
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