diff options
| author | Hannes Reinecke <hare@suse.de> | 2014-10-29 13:00:05 +0100 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2014-10-31 11:28:59 +0100 |
| commit | d97ae3684863960d12633c845f648d50ce767273 (patch) | |
| tree | 12357efaf84dd7e0ef367a505f266743c2105962 /hw/scsi | |
| parent | 1894df02811f6b79ea3ffbf1084599d96f316173 (diff) | |
megasas: fixup MFI_DCMD_LD_LIST_QUERY
The MFI_DCMD_LD_LIST_QUERY function is using a different format than
MFI_DCMD_LD_LIST, so we need to implement it differently.
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'hw/scsi')
| -rw-r--r-- | hw/scsi/megasas.c | 37 | ||||
| -rw-r--r-- | hw/scsi/mfi.h | 7 |
2 files changed, 41 insertions, 3 deletions
diff --git a/hw/scsi/megasas.c b/hw/scsi/megasas.c index 36a04f31bb..562c35bede 100644 --- a/hw/scsi/megasas.c +++ b/hw/scsi/megasas.c @@ -1123,15 +1123,46 @@ static int megasas_dcmd_ld_get_list(MegasasState *s, MegasasCmd *cmd) static int megasas_dcmd_ld_list_query(MegasasState *s, MegasasCmd *cmd) { uint16_t flags; + struct mfi_ld_targetid_list info; + size_t dcmd_size = sizeof(info), resid; + uint32_t num_ld_disks = 0, max_ld_disks = s->fw_luns; + BusChild *kid; /* mbox0 contains flags */ flags = le16_to_cpu(cmd->frame->dcmd.mbox[0]); trace_megasas_dcmd_ld_list_query(cmd->index, flags); - if (flags == MR_LD_QUERY_TYPE_ALL || - flags == MR_LD_QUERY_TYPE_EXPOSED_TO_HOST) { - return megasas_dcmd_ld_get_list(s, cmd); + if (flags != MR_LD_QUERY_TYPE_ALL && + flags != MR_LD_QUERY_TYPE_EXPOSED_TO_HOST) { + max_ld_disks = 0; + } + + memset(&info, 0, dcmd_size); + if (cmd->iov_size < 12) { + trace_megasas_dcmd_invalid_xfer_len(cmd->index, cmd->iov_size, + dcmd_size); + return MFI_STAT_INVALID_PARAMETER; + } + dcmd_size = sizeof(uint32_t) * 2 + 3; + + if (megasas_is_jbod(s)) { + max_ld_disks = 0; } + QTAILQ_FOREACH(kid, &s->bus.qbus.children, sibling) { + SCSIDevice *sdev = DO_UPCAST(SCSIDevice, qdev, kid->child); + if (num_ld_disks >= max_ld_disks) { + break; + } + info.targetid[num_ld_disks] = sdev->lun; + num_ld_disks++; + dcmd_size++; + } + info.ld_count = cpu_to_le32(num_ld_disks); + info.size = dcmd_size; + trace_megasas_dcmd_ld_get_list(cmd->index, num_ld_disks, max_ld_disks); + + resid = dma_buf_read((uint8_t *)&info, dcmd_size, &cmd->qsg); + cmd->iov_size = dcmd_size - resid; return MFI_STAT_OK; } diff --git a/hw/scsi/mfi.h b/hw/scsi/mfi.h index a3034f6239..5050ce4732 100644 --- a/hw/scsi/mfi.h +++ b/hw/scsi/mfi.h @@ -1111,6 +1111,13 @@ struct mfi_ld_list { } ld_list[MFI_MAX_LD]; } QEMU_PACKED; +struct mfi_ld_targetid_list { + uint32_t size; + uint32_t ld_count; + uint8_t pad[3]; + uint8_t targetid[MFI_MAX_LD]; +} QEMU_PACKED; + enum mfi_ld_access { MFI_LD_ACCESS_RW = 0, MFI_LD_ACCSSS_RO = 2, |