Add get-status to the ATA RAID subsystem.

4 files changed, 64 insertions, 1 deletions

diff --git a/sys/dev/ata/ata-all.c b/sys/dev/ata/ata-all.c
index 1dae0c4..9d4d1e9 100644
--- a/sys/dev/ata/ata-all.c
+++ b/sys/dev/ata/ata-all.c
@@ -415,6 +415,9 @@ ataioctl(dev_t dev, u_long cmd, caddr_t addr, int32_t flag, struct thread *td)
 
 	case ATARAIDDELETE:
 	    return ata_raid_delete(iocmd->channel);
+
+	case ATARAIDSTATUS:
+	    return ata_raid_status(iocmd->channel, &iocmd->u.raid_status);
 #endif
 #if defined(DEV_ATAPICD) || defined(DEV_ATAPIFD) || defined(DEV_ATAPIST)
 	case ATAPICMD: {
diff --git a/sys/dev/ata/ata-raid.c b/sys/dev/ata/ata-raid.c
index 13e17e4..14ee7b0 100644
--- a/sys/dev/ata/ata-raid.c
+++ b/sys/dev/ata/ata-raid.c
@@ -404,7 +404,50 @@ ata_raid_delete(int array)
     ar_table[array] = NULL;
     return 0;
 }
-   
+
+int
+ata_raid_status(int array, struct raid_status *status)
+{
+    struct ar_softc *rdp;
+    int i;
+
+    if (!ar_table || !(rdp = ar_table[array]))
+	return ENXIO;
+
+    switch (rdp->flags & (AR_F_RAID0 | AR_F_RAID1 | AR_F_SPAN)) {
+    case AR_F_RAID0:
+	status->type = AR_RAID0;
+	break;
+    case AR_F_RAID1:
+	status->type = AR_RAID1;
+	break;
+    case AR_F_RAID0 | AR_F_RAID1:
+	status->type = AR_RAID0 | AR_RAID1;
+	break;
+    case AR_F_SPAN:
+	status->type = AR_SPAN;
+	break;
+    }
+    status->total_disks = rdp->total_disks;
+    for (i = 0; i < rdp->total_disks; i++ ) {
+	if ((rdp->disks[i].flags & AR_DF_PRESENT) && rdp->disks[i].device)
+	    status->disks[i] = AD_SOFTC(rdp->disks[i])->lun;
+	else
+	    status->disks[i] = -1;
+    }
+    status->interleave = rdp->interleave;
+    status->status = 0;
+    if (rdp->flags & AR_F_READY)
+	status->status |= AR_READY;
+    if (rdp->flags & AR_F_DEGRADED)
+	status->status |= AR_DEGRADED;
+    if (rdp->flags & AR_F_REBUILDING) {
+	status->status |= AR_REBUILDING;
+	status->progress = 100*rdp->lock_start/(rdp->total_sectors/rdp->width);
+    }
+    return 0;
+}
+
 int
 ata_raid_rebuild(int array)
 {
diff --git a/sys/dev/ata/ata-raid.h b/sys/dev/ata/ata-raid.h
index 85f91c7..8755acc 100644
--- a/sys/dev/ata/ata-raid.h
+++ b/sys/dev/ata/ata-raid.h
@@ -228,4 +228,5 @@ int ata_raiddisk_detach(struct ad_softc *);
 void ata_raid_attach(void);
 int ata_raid_create(struct raid_setup *);
 int ata_raid_delete(int);
+int ata_raid_status(int array, struct raid_status *);
 int ata_raid_rebuild(int);
diff --git a/sys/sys/ata.h b/sys/sys/ata.h
index 82c79c1..d0a584a 100644
--- a/sys/sys/ata.h
+++ b/sys/sys/ata.h
@@ -250,11 +250,27 @@ struct ata_cmd {
 	} param;
 	struct raid_setup {
 	    int			type;
+#define	AR_RAID0			1
+#define	AR_RAID1			2
+#define	AR_SPAN				4
+
 	    int			total_disks;
 	    int			disks[16];
 	    int			interleave;
 	    int			unit;
 	} raid_setup;
+	struct raid_status {
+	    int			type;
+	    int			total_disks;
+	    int			disks[16];
+	    int			interleave;
+	    int			status;
+#define	AR_READY			1
+#define	AR_DEGRADED			2
+#define	AR_REBUILDING			4
+
+	    int			progress;
+	} raid_status;
 	struct {
 	    int			fan;
 	    int			temp;