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Add support for BLOCK LIMITS VPD page

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Signed-off-by: Ronnie Sahlberg <ronniesahlberg@gmail.com>
This commit is contained in:
Ronnie Sahlberg
2012-04-20 17:57:40 +10:00
parent 86bf89aabf
commit d71a9d4f95
3 changed files with 72 additions and 6 deletions
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20
include/scsi-lowlevel.h
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@@ -293,6 +293,7 @@ enum scsi_inquiry_pagecode {
SCSI_INQUIRY_PAGECODE_SUPPORTED_VPD_PAGES = 0x00,
SCSI_INQUIRY_PAGECODE_UNIT_SERIAL_NUMBER = 0x80,
SCSI_INQUIRY_PAGECODE_DEVICE_IDENTIFICATION = 0x83,
SCSI_INQUIRY_PAGECODE_BLOCK_LIMITS = 0xB0,
SCSI_INQUIRY_PAGECODE_BLOCK_DEVICE_CHARACTERISTICS = 0xB1,
SCSI_INQUIRY_PAGECODE_LOGICAL_BLOCK_PROVISIONING = 0xB2
};
@@ -308,6 +309,25 @@ struct scsi_inquiry_supported_pages {
unsigned char *pages;
};
struct scsi_inquiry_block_limits {
enum scsi_inquiry_peripheral_qualifier periperal_qualifier;
enum scsi_inquiry_peripheral_device_type periperal_device_type;
enum scsi_inquiry_pagecode pagecode;
int wsnz; /* write same no zero */
uint8_t max_cmp; /* maximum_compare_and_write_length */
uint16_t opt_gran; /* optimal_transfer_length_granularity */
uint32_t max_xfer_len; /* maximum_transfer_length */
uint32_t opt_xfer_len; /* optimal_transfer_length */
uint32_t max_prefetch; /* maximum_prefetched_xdread_xdwrite_transfer_length */
uint32_t max_unmap; /* maximum_unmap_lba_count */
uint32_t max_unmap_bdc; /* maximum_unmap_block_descriptor_count */
uint32_t opt_unmap_gran; /* optimal_unmap_granularity */
int ugavalid;
uint32_t unmap_gran_align; /* unmap_granularity_alignment */
uint64_t max_ws_len; /* maximum_write_same_length */
};
struct scsi_inquiry_block_device_characteristics {
enum scsi_inquiry_peripheral_qualifier periperal_qualifier;
enum scsi_inquiry_peripheral_device_type periperal_device_type;