From 64cc22841e72d37d577416f5836155ecd0a9bfb6 Mon Sep 17 00:00:00 2001 From: Roland Dreier Date: Wed, 19 Feb 2014 08:28:41 -0800 Subject: [PATCH] scsi-disk: Add support for port WWN and index descriptors in VPD page 83h To make a VM more convincing to my application, it's useful to be able to add a port WWN and relative target port index to the descriptors returned for VPD page 83h. Add device properties to allow setting these, and return them from INQUIRY commands. Signed-off-by: Roland Dreier Signed-off-by: Paolo Bonzini --- hw/scsi/scsi-disk.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/hw/scsi/scsi-disk.c b/hw/scsi/scsi-disk.c index d6141482aa..48a28ae199 100644 --- a/hw/scsi/scsi-disk.c +++ b/hw/scsi/scsi-disk.c @@ -75,6 +75,8 @@ struct SCSIDiskState bool media_event; bool eject_request; uint64_t wwn; + uint64_t port_wwn; + uint16_t port_index; uint64_t max_unmap_size; QEMUBH *bh; char *version; @@ -620,6 +622,24 @@ static int scsi_disk_emulate_inquiry(SCSIRequest *req, uint8_t *outbuf) stq_be_p(&outbuf[buflen], s->wwn); buflen += 8; } + + if (s->port_wwn) { + outbuf[buflen++] = 0x61; // SAS / Binary + outbuf[buflen++] = 0x93; // PIV / Target port / NAA + outbuf[buflen++] = 0; // reserved + outbuf[buflen++] = 8; + stq_be_p(&outbuf[buflen], s->port_wwn); + buflen += 8; + } + + if (s->port_index) { + outbuf[buflen++] = 0x61; // SAS / Binary + outbuf[buflen++] = 0x94; // PIV / Target port / relative target port + outbuf[buflen++] = 0; // reserved + outbuf[buflen++] = 4; + stw_be_p(&outbuf[buflen + 2], s->port_index); + buflen += 4; + } break; } case 0xb0: /* block limits */ @@ -2539,6 +2559,8 @@ static Property scsi_hd_properties[] = { DEFINE_PROP_BIT("dpofua", SCSIDiskState, features, SCSI_DISK_F_DPOFUA, false), DEFINE_PROP_UINT64("wwn", SCSIDiskState, wwn, 0), + DEFINE_PROP_UINT64("port_wwn", SCSIDiskState, port_wwn, 0), + DEFINE_PROP_UINT16("port_index", SCSIDiskState, port_index, 0), DEFINE_PROP_UINT64("max_unmap_size", SCSIDiskState, max_unmap_size, DEFAULT_MAX_UNMAP_SIZE), DEFINE_BLOCK_CHS_PROPERTIES(SCSIDiskState, qdev.conf), @@ -2587,6 +2609,8 @@ static const TypeInfo scsi_hd_info = { static Property scsi_cd_properties[] = { DEFINE_SCSI_DISK_PROPERTIES(), DEFINE_PROP_UINT64("wwn", SCSIDiskState, wwn, 0), + DEFINE_PROP_UINT64("port_wwn", SCSIDiskState, port_wwn, 0), + DEFINE_PROP_UINT16("port_index", SCSIDiskState, port_index, 0), DEFINE_PROP_END_OF_LIST(), }; @@ -2650,6 +2674,8 @@ static Property scsi_disk_properties[] = { DEFINE_PROP_BIT("dpofua", SCSIDiskState, features, SCSI_DISK_F_DPOFUA, false), DEFINE_PROP_UINT64("wwn", SCSIDiskState, wwn, 0), + DEFINE_PROP_UINT64("port_wwn", SCSIDiskState, port_wwn, 0), + DEFINE_PROP_UINT16("port_index", SCSIDiskState, port_index, 0), DEFINE_PROP_UINT64("max_unmap_size", SCSIDiskState, max_unmap_size, DEFAULT_MAX_UNMAP_SIZE), DEFINE_PROP_END_OF_LIST(),