Author: ian
Date: Tue Feb 26 20:50:49 2019
New Revision: 344606
URL: https://svnweb.freebsd.org/changeset/base/344606
Log:
Add support for geom_flashmap by providing a getattr() for "SPI:device".
Modified:
head/sys/dev/flash/at45d.c
Modified: head/sys/dev/flash/at45d.c
==============================================================================
--- head/sys/dev/flash/at45d.c Tue Feb 26 19:55:03 2019 (r344605)
+++ head/sys/dev/flash/at45d.c Tue Feb 26 20:50:49 2019 (r344606)
@@ -119,6 +119,7 @@ static device_probe_t at45d_probe;
/* disk routines */
static int at45d_close(struct disk *dp);
static int at45d_open(struct disk *dp);
+static int at45d_getattr(struct bio *bp);
static void at45d_strategy(struct bio *bp);
static void at45d_task(void *arg);
@@ -338,6 +339,7 @@ at45d_delayed_attach(void *xsc)
sc->disk->d_open = at45d_open;
sc->disk->d_close = at45d_close;
sc->disk->d_strategy = at45d_strategy;
+ sc->disk->d_getattr = at45d_getattr;
sc->disk->d_name = "flash/at45d";
sc->disk->d_drv1 = sc;
sc->disk->d_maxsize = DFLTPHYS;
@@ -365,6 +367,22 @@ static int
at45d_close(struct disk *dp)
{
+ return (0);
+}
+
+static int
+at45d_getattr(struct bio *bp)
+{
+ struct at45d_softc *sc;
+
+ if (bp->bio_disk == NULL || bp->bio_disk->d_drv1 == NULL)
+ return (ENXIO);
+ if (strcmp(bp->bio_attribute, "SPI::device") != 0)
+ return (-1);
+ sc = bp->bio_disk->d_drv1;
+ if (bp->bio_length != sizeof(sc->dev))
+ return (EFAULT);
+ bcopy(&sc->dev, bp->bio_data, sizeof(sc->dev));
return (0);
}
_______________________________________________
svn-src-all@freebsd.org mailing list
https://lists.freebsd.org/mailman/listinfo/svn-src-all
To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
