Re: [Scst-devel] Auto sense with ISP driver.

[Matthew J. <lyd...@gm...>]

Hmm. Ouhgt to work and I know it does when I run my scsi_target toy
test. Let me think about this for a second.

On 6/29/07, Stanislaw Gruszka <sta...@op...> wrote:
> Matthew Jacob wrote:
> > Yes, autosense works. Maybe you need to show me your connector code so
> > I can tell you what flags you might have missed setting.
> >
> Test results presented here was on ramdisk scsi_target.c from Feral sources
> (from 27.06.2007) with breaking functionality patch (attached). Patch
> simply disable responding of READ, WRITE and REQUEST_SENSE commands, so sense
> code is sending instead of any data for these commands.
>
> Here is part of my isp_scst.c where sense is set:
>
>     if (scst_cmd_get_tgt_resp_flags(scst_cmd) & SCST_TSC_FLAG_STATUS) {
>         tmd->cd_hflags |= CDFH_STSVALID;
>         tmd->cd_scsi_status = scst_cmd_get_status(scst_cmd);
>
>         if (tmd->cd_scsi_status == SCSI_CHECK) {
>             unsigned int slen =  scst_cmd_get_sense_buffer_len(scst_cmd);
>             if (slen > TMD_SENSELEN) {
>                 // FIMXE: info to user
>                 slen = TMD_SENSELEN;
>             }
>             memcpy(tmd->cd_sense, scst_cmd_get_sense_buffer(scst_cmd), slen);
>             tmd->cd_hflags |= CDFH_SNSVALID;
>             tmd->cd_xfrlen = 0;
>             tmd->cd_hflags &= ~CDFH_DATA_MASK;
>         }
>
>         SDprintk2("%s: status %d\n", __FUNCTION__, scst_cmd_get_status(scst_cmd));
>     }
>
>
> Anyway, I can not achieve auto sense work in my test environment, maybe
> initiators drivers bug (but I have checked two initiators) ?
>
> --
> Cheers
> Stanislaw Gruszka
>
>