diff options
| author | Eric Farman <farman@linux.vnet.ibm.com> | 2017-05-10 17:53:56 +0200 |
|---|---|---|
| committer | Cornelia Huck <cornelia.huck@de.ibm.com> | 2017-05-19 12:29:01 +0200 |
| commit | 8edfe85bef669d676ad17cd84b4e3dce43b110e4 (patch) | |
| tree | acec4d9620fc913b5477bfa117fd5d7e5ecb2688 /pc-bios/s390-ccw/virtio-scsi.c | |
| parent | 9c12359c577c61ed23f07f7f379434cab2aa1ab2 (diff) | |
pc-bios/s390-ccw: Get list of supported VPD pages
The "Supported Pages" Inquiry EVPD page is mandatory for all SCSI devices,
and is used as a gateway for what VPD pages the device actually supports.
Let's issue this Inquiry, and dump that list with the debug facility.
Signed-off-by: Eric Farman <farman@linux.vnet.ibm.com>
Message-Id: <20170510155359.32727-6-farman@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Diffstat (limited to 'pc-bios/s390-ccw/virtio-scsi.c')
| -rw-r--r-- | pc-bios/s390-ccw/virtio-scsi.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/pc-bios/s390-ccw/virtio-scsi.c b/pc-bios/s390-ccw/virtio-scsi.c index 9d2e14cdf0..e34755c4d4 100644 --- a/pc-bios/s390-ccw/virtio-scsi.c +++ b/pc-bios/s390-ccw/virtio-scsi.c @@ -19,6 +19,7 @@ static VirtioScsiCmdReq req; static VirtioScsiCmdResp resp; static uint8_t scsi_inquiry_std_response[256]; +static ScsiInquiryEvpdPages scsi_inquiry_evpd_pages_response; static inline void vs_assert(bool term, const char **msgs) { @@ -319,6 +320,8 @@ void virtio_scsi_setup(VDev *vdev) int retry_test_unit_ready = 3; uint8_t data[256]; uint32_t data_size = sizeof(data); + ScsiInquiryEvpdPages *evpd = &scsi_inquiry_evpd_pages_response; + int i; vdev->scsi_device = &default_scsi_device; virtio_scsi_locate_device(vdev); @@ -363,6 +366,20 @@ void virtio_scsi_setup(VDev *vdev) vdev->scsi_block_size = VIRTIO_ISO_BLOCK_SIZE; } + if (!scsi_inquiry(vdev, + SCSI_INQUIRY_EVPD, + SCSI_INQUIRY_EVPD_SUPPORTED_PAGES, + evpd, + sizeof(*evpd))) { + virtio_scsi_verify_response(&resp, "virtio-scsi:setup:supported_pages"); + } + + debug_print_int("EVPD length", evpd->page_length); + + for (i = 0; i <= evpd->page_length; i++) { + debug_print_int("supported EVPD page", evpd->byte[i]); + } + if (!scsi_read_capacity(vdev, data, data_size)) { virtio_scsi_verify_response(&resp, "virtio-scsi:setup:read_capacity"); } |