2  * Virtio-SCSI implementation for s390 machine loader for qemu
16 #include "scsi.h"
17 #include "virtio-scsi.h"
105 /* SCSI protocol implementation routines */
207 /* virtio-scsi routines */
210  * Tries to locate a SCSI device and adds the information for the found
212  * Returns 0 if SCSI device could be located, or a error code < 0 otherwise
225      * vdev->config.scsi.max_channel != 0 here.  in virtio_scsi_locate_device()
227     debug_print_int("config.scsi.max_channel", vdev->config.scsi.max_channel);  in virtio_scsi_locate_device()
228     debug_print_int("config.scsi.max_target ", vdev->config.scsi.max_target);  in virtio_scsi_locate_device()
229     debug_print_int("config.scsi.max_lun    ", vdev->config.scsi.max_lun);  in virtio_scsi_locate_device()
230     debug_print_int("config.scsi.max_sectors", vdev->config.scsi.max_sectors);  in virtio_scsi_locate_device()
238         IPL_check(sdev->target <= vdev->config.scsi.max_target, "target# high");  in virtio_scsi_locate_device()
239         IPL_check(sdev->lun <= vdev->config.scsi.max_lun, "LUN# high");  in virtio_scsi_locate_device()
243     for (target = 0; target <= vdev->config.scsi.max_target; target++) {  in virtio_scsi_locate_device()
257             if (!virtio_scsi_verify_response(&resp, "SCSI cannot report LUNs")) {  in virtio_scsi_locate_device()
287     puts("Warning: Could not locate a usable virtio-scsi device");  in virtio_scsi_locate_device()
297     unsigned int max_transfer = MIN_NON_ZERO(vdev->config.scsi.max_sectors,  in virtio_scsi_read_many()
305             if (!virtio_scsi_verify_response(&resp, "virtio-scsi:read_many")) {  in virtio_scsi_read_many()
377                 puts("virtio-scsi: setup: no SENSE data");  in virtio_scsi_setup()
383                 puts("virtio-scsi:setup: cannot retry");  in virtio_scsi_setup()
396         if (!virtio_scsi_verify_response(&resp, "virtio-scsi:setup")) {  in virtio_scsi_setup()
401     /* read and cache SCSI INQUIRY response */  in virtio_scsi_setup()
409                 "virtio-scsi:setup:inquiry")) {  in virtio_scsi_setup()
415         puts("SCSI CD-ROM detected.");  in virtio_scsi_setup()
427                 "virtio-scsi:setup:supported_pages")) {  in virtio_scsi_setup()
448                     "virtio-scsi:setup:blocklimits")) {  in virtio_scsi_setup()
469                 "virtio-scsi:setup:read_capacity")) {  in virtio_scsi_setup()
486     if (vdev->config.scsi.sense_size != VIRTIO_SCSI_SENSE_SIZE) {  in virtio_scsi_setup_device()
491     if (vdev->config.scsi.cdb_size != VIRTIO_SCSI_CDB_SIZE) {  in virtio_scsi_setup_device()
496     puts("Using virtio-scsi.");  in virtio_scsi_setup_device()