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| author | Garrett D'Amore <garrett@damore.org> | 2013-11-17 14:26:56 -0800 |
|---|---|---|
| committer | Robert Mustacchi <rm@joyent.com> | 2013-12-16 13:37:26 -0800 |
| commit | 59d8f1005b65ef8ad2c9ce040497daf81dd65085 (patch) | |
| tree | c20d3313e8319858158f3ee816ccda62ca909b1f /usr/src/uts/common/io/scsi/targets/sd.c | |
| parent | d1b18d1a1255ac607d5e072515d727cdfe52f878 (diff) | |
| download | illumos-gate-59d8f1005b65ef8ad2c9ce040497daf81dd65085.tar.gz | |
4335 need a mechanism to detect solid state storage devices
Reviewed by: Keith M Wesolowski <wesolows@foobazco.org>
Reviewed by: Saso Kiselkov <skiselkov.ml@gmail.com>
Approved by: Dan McDonald <danmcd@nexenta.com>
Diffstat (limited to 'usr/src/uts/common/io/scsi/targets/sd.c')
| -rw-r--r-- | usr/src/uts/common/io/scsi/targets/sd.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/usr/src/uts/common/io/scsi/targets/sd.c b/usr/src/uts/common/io/scsi/targets/sd.c index 6687163bf9..67529e7759 100644 --- a/usr/src/uts/common/io/scsi/targets/sd.c +++ b/usr/src/uts/common/io/scsi/targets/sd.c @@ -26,6 +26,7 @@ * Copyright (c) 2011 Bayard G. Bell. All rights reserved. * Copyright (c) 2012 by Delphix. All rights reserved. * Copyright 2013 Nexenta Systems, Inc. All rights reserved. + * Copyright 2012 DEY Storage Systems, Inc. All rights reserved. */ /* * Copyright 2011 cyril.galibern@opensvc.com @@ -22323,6 +22324,7 @@ sdioctl(dev_t dev, int cmd, intptr_t arg, int flag, cred_t *cred_p, int *rval_p) case DKIOCINFO: case DKIOCGMEDIAINFO: case DKIOCGMEDIAINFOEXT: + case DKIOCSOLIDSTATE: case MHIOCENFAILFAST: case MHIOCSTATUS: case MHIOCTKOWN: @@ -22515,6 +22517,16 @@ skip_ready_valid: } break; + case DKIOCSOLIDSTATE: + SD_TRACE(SD_LOG_IOCTL, un, "DKIOCSOLIDSTATE\n"); + i = un->un_f_is_solid_state ? 1 : 0; + if (ddi_copyout(&i, (void *)arg, sizeof (int), flag) != 0) { + err = EFAULT; + } else { + err = 0; + } + break; + case DKIOCHOTPLUGGABLE: SD_TRACE(SD_LOG_IOCTL, un, "DKIOCHOTPLUGGABLE\n"); i = un->un_f_is_hotpluggable ? 1 : 0; |