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[src/trunk]: src/sys/dev/ic add bio(4) support
details: https://anonhg.NetBSD.org/src/rev/8165872cd005
branches: trunk
changeset: 332555:8165872cd005
user: jmcneill <jmcneill%NetBSD.org@localhost>
date: Sat Sep 27 16:14:16 2014 +0000
description:
add bio(4) support
diffstat:
sys/dev/ic/mpt.c | 15 +-
sys/dev/ic/mpt.h | 6 +-
sys/dev/ic/mpt_netbsd.c | 341 +++++++++++++++++++++++++++++++++++++++++++++++-
3 files changed, 353 insertions(+), 9 deletions(-)
diffs (truncated from 452 to 300 lines):
diff -r 866b07258ece -r 8165872cd005 sys/dev/ic/mpt.c
--- a/sys/dev/ic/mpt.c Sat Sep 27 15:44:27 2014 +0000
+++ b/sys/dev/ic/mpt.c Sat Sep 27 16:14:16 2014 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: mpt.c,v 1.16 2012/03/18 21:05:21 martin Exp $ */
+/* $NetBSD: mpt.c,v 1.17 2014/09/27 16:14:16 jmcneill Exp $ */
/*
* Copyright (c) 2000, 2001 by Greg Ansley
@@ -110,7 +110,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: mpt.c,v 1.16 2012/03/18 21:05:21 martin Exp $");
+__KERNEL_RCSID(0, "$NetBSD: mpt.c,v 1.17 2014/09/27 16:14:16 jmcneill Exp $");
#include <dev/ic/mpt.h>
@@ -565,10 +565,7 @@
* Utiltity routine to read configuration headers and pages
*/
-static int
-mpt_read_cfg_header(mpt_softc_t *, int, int, int, fCONFIG_PAGE_HEADER *);
-
-static int
+int
mpt_read_cfg_header(mpt_softc_t *mpt, int PageType, int PageNumber,
int PageAddress, fCONFIG_PAGE_HEADER *rslt)
{
@@ -1516,4 +1513,10 @@
MPT_2_HOST16(rpd0, ErrorData.SmartCount);
}
+void
+mpt2host_config_page_ioc_2(fCONFIG_PAGE_IOC_2 *ioc2)
+{
+ MPT_2_HOST32(ioc2, CapabilitiesFlags);
+}
+
#endif
diff -r 866b07258ece -r 8165872cd005 sys/dev/ic/mpt.h
--- a/sys/dev/ic/mpt.h Sat Sep 27 15:44:27 2014 +0000
+++ b/sys/dev/ic/mpt.h Sat Sep 27 16:14:16 2014 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: mpt.h,v 1.7 2010/04/28 22:45:27 chs Exp $ */
+/* $NetBSD: mpt.h,v 1.8 2014/09/27 16:14:16 jmcneill Exp $ */
/*
* Copyright (c) 2000, 2001 by Greg Ansley
@@ -173,6 +173,7 @@
int mpt_intr(void *);
void mpt_check_doorbell(mpt_softc_t *);
+int mpt_read_cfg_header(mpt_softc_t *, int, int, int, fCONFIG_PAGE_HEADER *);
int mpt_read_cfg_page(mpt_softc_t *, int, fCONFIG_PAGE_HEADER *);
int mpt_write_cfg_page(mpt_softc_t *, int, fCONFIG_PAGE_HEADER *);
@@ -212,6 +213,8 @@
void host2mpt_config_page_fc_port_1(fCONFIG_PAGE_FC_PORT_1 *);
void mpt2host_config_page_raid_vol_0(fCONFIG_PAGE_RAID_VOL_0 *);
void mpt2host_config_page_raid_phys_disk_0(fCONFIG_PAGE_RAID_PHYS_DISK_0 *);
+void mpt2host_config_page_raid_phys_disk_0(fCONFIG_PAGE_RAID_PHYS_DISK_0 *);
+void mpt2host_config_page_ioc_2(fCONFIG_PAGE_IOC_2 *);
#else
#define mpt2host_sge_simple_union(x) do { ; } while (0)
#define mpt2host_iocfacts_reply(x) do { ; } while (0)
@@ -230,6 +233,7 @@
#define mpt2host_config_page_raid_vol_0(x) do { ; } while (0)
#define mpt2host_config_page_raid_phys_disk_0(x) \
do { ; } while (0)
+#define mpt2host_config_page_ioc_2(x) do { ; } while (0)
#endif
#endif /* _KERNEL */
diff -r 866b07258ece -r 8165872cd005 sys/dev/ic/mpt_netbsd.c
--- a/sys/dev/ic/mpt_netbsd.c Sat Sep 27 15:44:27 2014 +0000
+++ b/sys/dev/ic/mpt_netbsd.c Sat Sep 27 16:14:16 2014 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: mpt_netbsd.c,v 1.25 2014/07/08 14:18:54 chs Exp $ */
+/* $NetBSD: mpt_netbsd.c,v 1.26 2014/09/27 16:14:16 jmcneill Exp $ */
/*
* Copyright (c) 2003 Wasabi Systems, Inc.
@@ -77,11 +77,17 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: mpt_netbsd.c,v 1.25 2014/07/08 14:18:54 chs Exp $");
+__KERNEL_RCSID(0, "$NetBSD: mpt_netbsd.c,v 1.26 2014/09/27 16:14:16 jmcneill Exp $");
+
+#include "bio.h"
#include <dev/ic/mpt.h> /* pulls in all headers */
#include <sys/scsiio.h>
+#if NBIO > 0
+#include <dev/biovar.h>
+#endif
+
static int mpt_poll(mpt_softc_t *, struct scsipi_xfer *, int);
static void mpt_timeout(void *);
static void mpt_restart(mpt_softc_t *, request_t *);
@@ -100,6 +106,15 @@
static int mpt_ioctl(struct scsipi_channel *, u_long, void *, int,
struct proc *);
+#if NBIO > 0
+static bool mpt_is_raid(mpt_softc_t *);
+static int mpt_bio_ioctl(device_t, u_long, void *);
+static int mpt_bio_ioctl_inq(mpt_softc_t *, struct bioc_inq *);
+static int mpt_bio_ioctl_vol(mpt_softc_t *, struct bioc_vol *);
+static int mpt_bio_ioctl_disk(mpt_softc_t *, struct bioc_disk *);
+static int mpt_bio_ioctl_setstate(mpt_softc_t *, struct bioc_setstate *);
+#endif
+
void
mpt_scsipi_attach(mpt_softc_t *mpt)
{
@@ -144,6 +159,14 @@
*/
mpt->sc_scsibus_dv = config_found(mpt->sc_dev, &mpt->sc_channel,
scsiprint);
+
+#if NBIO > 0
+ if (mpt_is_raid(mpt)) {
+ if (bio_register(mpt->sc_dev, mpt_bio_ioctl) != 0)
+ panic("%s: controller registration failed",
+ device_xname(mpt->sc_dev));
+ }
+#endif
}
int
@@ -1585,3 +1608,317 @@
return (ENOTTY);
}
}
+
+#if NBIO > 0
+static fCONFIG_PAGE_IOC_2 *
+mpt_get_cfg_page_ioc2(mpt_softc_t *mpt)
+{
+ fCONFIG_PAGE_HEADER hdr;
+ fCONFIG_PAGE_IOC_2 *ioc2;
+ int rv;
+
+ rv = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_IOC, 2, 0, &hdr);
+ if (rv)
+ return NULL;
+
+ ioc2 = malloc(hdr.PageLength * 4, M_DEVBUF, M_WAITOK | M_ZERO);
+ if (ioc2 == NULL)
+ return NULL;
+
+ memcpy(ioc2, &hdr, sizeof(hdr));
+
+ rv = mpt_read_cfg_page(mpt, 0, &ioc2->Header);
+ if (rv)
+ goto fail;
+ mpt2host_config_page_ioc_2(ioc2);
+
+ return ioc2;
+
+fail:
+ free(ioc2, M_DEVBUF);
+ return NULL;
+}
+
+static fCONFIG_PAGE_RAID_VOL_0 *
+mpt_get_cfg_page_raid_vol0(mpt_softc_t *mpt, int address)
+{
+ fCONFIG_PAGE_HEADER hdr;
+ fCONFIG_PAGE_RAID_VOL_0 *rvol0;
+ int rv;
+
+ rv = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_RAID_VOLUME, 0,
+ address, &hdr);
+ if (rv)
+ return NULL;
+
+ rvol0 = malloc(hdr.PageLength * 4, M_DEVBUF, M_WAITOK | M_ZERO);
+ if (rvol0 == NULL)
+ return NULL;
+
+ memcpy(rvol0, &hdr, sizeof(hdr));
+
+ rv = mpt_read_cfg_page(mpt, address, &rvol0->Header);
+ if (rv)
+ goto fail;
+ mpt2host_config_page_raid_vol_0(rvol0);
+
+ return rvol0;
+
+fail:
+ free(rvol0, M_DEVBUF);
+ return NULL;
+}
+
+static fCONFIG_PAGE_RAID_PHYS_DISK_0 *
+mpt_get_cfg_page_raid_phys_disk0(mpt_softc_t *mpt, int address)
+{
+ fCONFIG_PAGE_HEADER hdr;
+ fCONFIG_PAGE_RAID_PHYS_DISK_0 *physdisk0;
+ int rv;
+
+ rv = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_RAID_PHYSDISK, 0,
+ address, &hdr);
+ if (rv)
+ return NULL;
+
+ physdisk0 = malloc(hdr.PageLength * 4, M_DEVBUF, M_WAITOK | M_ZERO);
+ if (physdisk0 == NULL)
+ return NULL;
+
+ memcpy(physdisk0, &hdr, sizeof(hdr));
+
+ rv = mpt_read_cfg_page(mpt, address, &physdisk0->Header);
+ if (rv)
+ goto fail;
+ mpt2host_config_page_raid_phys_disk_0(physdisk0);
+
+ return physdisk0;
+
+fail:
+ free(physdisk0, M_DEVBUF);
+ return NULL;
+}
+
+static bool
+mpt_is_raid(mpt_softc_t *mpt)
+{
+ fCONFIG_PAGE_IOC_2 *ioc2;
+ bool is_raid = false;
+
+ ioc2 = mpt_get_cfg_page_ioc2(mpt);
+ if (ioc2 == NULL)
+ return false;
+
+ if (ioc2->CapabilitiesFlags != 0xdeadbeef) {
+ is_raid = !!(ioc2->CapabilitiesFlags &
+ (MPI_IOCPAGE2_CAP_FLAGS_IS_SUPPORT|
+ MPI_IOCPAGE2_CAP_FLAGS_IME_SUPPORT|
+ MPI_IOCPAGE2_CAP_FLAGS_IM_SUPPORT));
+ }
+
+ free(ioc2, M_DEVBUF);
+
+ return is_raid;
+}
+
+static int
+mpt_bio_ioctl(device_t dev, u_long cmd, void *addr)
+{
+ mpt_softc_t *mpt = device_private(dev);
+ int error, s;
+
+ KERNEL_LOCK(1, curlwp);
+ s = splbio();
+
+ switch (cmd) {
+ case BIOCINQ:
+ error = mpt_bio_ioctl_inq(mpt, addr);
+ break;
+ case BIOCVOL:
+ error = mpt_bio_ioctl_vol(mpt, addr);
+ break;
+ case BIOCDISK:
+ error = mpt_bio_ioctl_disk(mpt, addr);
+ break;
+ case BIOCSETSTATE:
+ error = mpt_bio_ioctl_setstate(mpt, addr);
+ break;
+ default:
+ error = EINVAL;
+ break;
+ }
+
+ splx(s);
+ KERNEL_UNLOCK_ONE(curlwp);
+
+ return error;
+}
+
+static int
+mpt_bio_ioctl_inq(mpt_softc_t *mpt, struct bioc_inq *bi)
+{
+ fCONFIG_PAGE_IOC_2 *ioc2;
+
+ ioc2 = mpt_get_cfg_page_ioc2(mpt);
+ if (ioc2 == NULL)
+ return EIO;
+
+ strlcpy(bi->bi_dev, device_xname(mpt->sc_dev), sizeof(bi->bi_dev));
+ bi->bi_novol = ioc2->NumActiveVolumes;
+ bi->bi_nodisk = ioc2->NumActivePhysDisks;
+
+ free(ioc2, M_DEVBUF);
+
+ return 0;
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