Re: ATA TRIM?

[RVP <rvp%SDF.ORG@localhost>]

On Wed, 7 Dec 2022, Mouse wrote:

> printf("TRIM %s: calling exec\n",device_xname(wd->sc_dev));
>                           rv = wd->atabus->ata_exec_command(wd->drvp,&cmd);
> printf("TRIM %s: returned %d\n",device_xname(wd->sc_dev),rv);
>                           return(0);

ata_exec_command() will start the command, but, the completion of it
is usually signalled by an interrupt. Presumably, the 9.2 ATA-related code
takes care of this as ata_exec_command() takes a `xfer' parameter rather
than a bare command struct. How does 5.2 wait for ATA command completion?

-RVP