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Add support for INQUIRY LOGICAL_BLOCK_PROVISIONING page

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Signed-off-by: Ronnie Sahlberg <ronniesahlberg@gmail.com>
This commit is contained in:
Ronnie Sahlberg
2012-04-19 20:09:14 +10:00
parent 50594830bd
commit 422bc32ce8
3 changed files with 61 additions and 1 deletions
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24
include/scsi-lowlevel.h
View File

@@ -284,7 +284,8 @@ 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_DEVICE_CHARACTERISTICS = 0xB1
SCSI_INQUIRY_PAGECODE_BLOCK_DEVICE_CHARACTERISTICS = 0xB1,
SCSI_INQUIRY_PAGECODE_LOGICAL_BLOCK_PROVISIONING = 0xB2
};
EXTERN const char *scsi_inquiry_pagecode_to_str(int pagecode);
@@ -306,6 +307,27 @@ struct scsi_inquiry_block_device_characteristics {
int medium_rotation_rate;
};
enum scsi_inquiry_provisioning_type {
PROVISIONING_TYPE_NONE = 0,
PROVISIONING_TYPE_RESOURCE = 1,
PROVISIONING_TYPE_THIN = 2
};
struct scsi_inquiry_logical_block_provisioning {
enum scsi_inquiry_peripheral_qualifier periperal_qualifier;
enum scsi_inquiry_peripheral_device_type periperal_device_type;
enum scsi_inquiry_pagecode pagecode;
int threshold_exponent;
int lbpu;
int lbpws;
int lbpws10;
int lbprz;
int anc_sup;
int dp;
enum scsi_inquiry_provisioning_type provisioning_type;
};
EXTERN struct scsi_task *scsi_cdb_inquiry(int evpd, int page_code, int alloc_len);
struct scsi_inquiry_unit_serial_number {

23
lib/scsi-lowlevel.c
View File

@@ -509,6 +509,29 @@ scsi_inquiry_datain_unmarshall(struct scsi_task *task)
inq->medium_rotation_rate = ntohs(*(uint16_t *)
&task->datain.data[4]);
return inq;
} else if (task->params.inquiry.page_code
== SCSI_INQUIRY_PAGECODE_LOGICAL_BLOCK_PROVISIONING) {
struct scsi_inquiry_logical_block_provisioning *inq;
inq = scsi_malloc(task,
sizeof(struct scsi_inquiry_logical_block_provisioning));
if (inq == NULL) {
return NULL;
}
inq->periperal_qualifier = (task->datain.data[0]>>5)&0x07;
inq->periperal_device_type = task->datain.data[0]&0x1f;
inq->pagecode = task->datain.data[1];
inq->threshold_exponent = task->datain.data[4];
inq->lbpu = !!(task->datain.data[5] & 0x80);
inq->lbpws = !!(task->datain.data[5] & 0x40);
inq->lbpws10 = !!(task->datain.data[5] & 0x20);
inq->lbprz = !!(task->datain.data[5] & 0x04);
inq->anc_sup = !!(task->datain.data[5] & 0x02);
inq->dp = !!(task->datain.data[5] & 0x01);
inq->provisioning_type = task->datain.data[6] & 0x07;
return inq;
}
return NULL;

15
src/iscsi-inq.c
View File

@@ -27,6 +27,18 @@
const char *initiator = "iqn.2010-11.ronnie:iscsi-inq";
void inquiry_logical_block_provisioning(struct scsi_inquiry_logical_block_provisioning *inq)
{
printf("Threshold Exponent:%d\n", inq->threshold_exponent);
printf("lbpu:%d\n", inq->lbpu);
printf("lbpws:%d\n", inq->lbpws);
printf("lbpws10:%d\n", inq->lbpws10);
printf("lbprz:%d\n", inq->lbprz);
printf("anc_sup:%d\n", inq->anc_sup);
printf("dp:%d\n", inq->dp);
printf("provisioning type:%d\n", inq->provisioning_type);
}
void inquiry_block_device_characteristics(struct scsi_inquiry_block_device_characteristics *inq)
{
printf("Medium Rotation Rate:%dRPM\n", inq->medium_rotation_rate);
@@ -142,6 +154,9 @@ void do_inquiry(struct iscsi_context *iscsi, int lun, int evpd, int pc)
case SCSI_INQUIRY_PAGECODE_BLOCK_DEVICE_CHARACTERISTICS:
inquiry_block_device_characteristics(inq);
break;
case SCSI_INQUIRY_PAGECODE_LOGICAL_BLOCK_PROVISIONING:
inquiry_logical_block_provisioning(inq);
break;
default:
fprintf(stderr, "Usupported pagecode:0x%02x\n", pc);
}