diff options
| author | Alexander Yurchenko <grange@cvs.openbsd.org> | 2006-11-28 00:11:45 +0000 |
|---|---|---|
| committer | Alexander Yurchenko <grange@cvs.openbsd.org> | 2006-11-28 00:11:45 +0000 |
| commit | b8f3ca258865949788f8c9bc6e8cda425d1b2bc2 (patch) | |
| tree | 69dadcf3d36b7f5df7ac7dcab2bf155d4dca053a /sys/dev | |
| parent | f91ba944568cce251ef36e5436be6f0217dbd3b9 (diff) | |
Pretend to implement SCSI SYNCHRONIZE_CACHE command.
Diffstat (limited to 'sys/dev')
| -rw-r--r-- | sys/dev/pci/ips.c | 31 |
1 files changed, 29 insertions, 2 deletions
diff --git a/sys/dev/pci/ips.c b/sys/dev/pci/ips.c index ed76e60e1d7..26c86a5b068 100644 --- a/sys/dev/pci/ips.c +++ b/sys/dev/pci/ips.c @@ -1,4 +1,4 @@ -/* $OpenBSD: ips.c,v 1.3 2006/11/27 23:56:38 grange Exp $ */ +/* $OpenBSD: ips.c,v 1.4 2006/11/28 00:11:44 grange Exp $ */ /* * Copyright (c) 2006 Alexander Yurchenko <grange@openbsd.org> @@ -51,9 +51,10 @@ /* Commands */ #define IPS_CMD_READ 0x02 #define IPS_CMD_WRITE 0x03 +#define IPS_CMD_ADAPTERINFO 0x05 +#define IPS_CMD_FLUSHCACHE 0x0a #define IPS_CMD_READ_SG 0x82 #define IPS_CMD_WRITE_SG 0x83 -#define IPS_CMD_ADAPTERINFO 0x05 #define IPS_CMD_DRIVEINFO 0x19 #define IPS_MAXCMDSZ 256 /* XXX: for now */ @@ -89,6 +90,16 @@ struct ips_cmd_driveinfo { u_int32_t reserve3; } __packed; +struct ips_cmd_generic { + u_int8_t command; + u_int8_t id; + u_int8_t drivenum; + u_int8_t reserve2; + u_int32_t lba; + u_int32_t buffaddr; + u_int32_t reserve3; +} __packed; + struct ips_cmd_io { u_int8_t command; u_int8_t id; @@ -196,6 +207,7 @@ int ips_scsi_ioctl(struct scsi_link *, u_long, caddr_t, int, struct proc *); void ips_scsi_minphys(struct buf *); +void ips_flushcache(struct ips_softc *); int ips_getadapterinfo(struct ips_softc *, struct ips_adapterinfo *); int ips_getdriveinfo(struct ips_softc *, struct ips_driveinfo *); @@ -404,6 +416,9 @@ ips_scsi_cmd(struct scsi_xfer *xs) sns->error_code = 0x70; sns->flags = SKEY_NO_SENSE; goto done; + case SYNCHRONIZE_CACHE: + ips_flushcache(sc); + goto done; case PREVENT_ALLOW: case START_STOP: case TEST_UNIT_READY: @@ -494,6 +509,18 @@ ips_scsi_minphys(struct buf *bp) minphys(bp); } +void +ips_flushcache(struct ips_softc *sc) +{ + struct ips_cmd_generic *cmd; + + cmd = sc->sc_cmdm->dm_kva; + cmd->command = IPS_CMD_FLUSHCACHE; + + (*sc->sc_exec)(sc); + DELAY(1000); +} + int ips_getadapterinfo(struct ips_softc *sc, struct ips_adapterinfo *ai) { |