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sparc64/zfs boot: take advantage of new libzfsboot capabilities

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Also drop the now unneeded compatibility shims.

Tested by:	marius
MFC after:	1 month
This commit is contained in:
Andriy Gapon 2012-05-12 20:27:33 +00:00
parent 790752beb4
commit 32df866434
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=235364
8 changed files with 55 additions and 156 deletions
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1
sys/boot/Makefile.sparc64
View File

@ -1,3 +1,4 @@
# $FreeBSD$
SUBDIR+= ofw
SUBDIR+= zfs

2
sys/boot/ofw/libofw/Makefile
View File

@ -6,6 +6,8 @@ INTERNALLIB=
SRCS= devicename.c elf_freebsd.c ofw_console.c ofw_copy.c ofw_disk.c \
ofw_memory.c ofw_module.c ofw_net.c ofw_reboot.c \
ofw_time.c openfirm.c
.PATH: ${.CURDIR}/../../zfs
SRCS+= devicename_stubs.c
CFLAGS+= -I${.CURDIR}/../../../../lib/libstand/

15
sys/boot/ofw/libofw/devicename.c
View File

@ -31,6 +31,7 @@ __FBSDID("$FreeBSD$");
#include "bootstrap.h"
#include "libofw.h"
#include "../zfs/libzfs.h"
static int ofw_parsedev(struct ofw_devdesc **, const char *, const char **);
@ -81,6 +82,7 @@ ofw_parsedev(struct ofw_devdesc **dev, const char *devspec, const char **path)
char *ep;
char name[256];
char type[64];
int err;
int len;
int i;
@ -114,14 +116,11 @@ ofw_parsedev(struct ofw_devdesc **dev, const char *devspec, const char **path)
idev->d_dev = dv;
idev->d_type = dv->dv_type;
if (idev->d_type == DEVT_ZFS) {
idev->d_unit = 0;
p = name + strlen(dv->dv_name);
if (*p && (*p != ':')) {
idev->d_unit = strtol(p, &ep, 0);
if (ep == p) {
free(idev);
return (EUNIT);
}
p = devspec + strlen(dv->dv_name);
err = zfs_parsedev((struct zfs_devdesc *)idev, p, path);
if (err != 0) {
free(idev);
return (err);
}
}

8
sys/boot/ofw/libofw/libofw.h
View File

@ -33,7 +33,13 @@ struct ofw_devdesc {
int d_type;
int d_unit;
ihandle_t d_handle;
char d_path[256];
union {
char d_path[256];
struct {
uint64_t pool_guid;
uint64_t root_guid;
};
};
};
extern int ofw_getdev(void **vdev, const char *devspec, const char **path);

5
sys/boot/sparc64/loader/Makefile
View File

@ -37,6 +37,7 @@ CFLAGS+= -DLOADER_CD9660_SUPPORT
CFLAGS+= -DLOADER_ZFS_SUPPORT
CFLAGS+= -I${.CURDIR}/../../zfs
CFLAGS+= -I${.CURDIR}/../../../cddl/boot/zfs
LIBZFSBOOT= ${.OBJDIR}/../../zfs/libzfsboot.a
.endif
.if ${LOADER_GZIP_SUPPORT} == "yes"
CFLAGS+= -DLOADER_GZIP_SUPPORT
@ -83,8 +84,8 @@ CFLAGS+= -I${.CURDIR}/../../ofw/libofw/
# where to get libstand from
CFLAGS+= -I${.CURDIR}/../../../../lib/libstand/
DPADD= ${LIBFICL} ${LIBOFW} ${LIBSTAND}
LDADD= ${LIBFICL} ${LIBOFW} -lstand
DPADD= ${LIBFICL} ${LIBZFSBOOT} ${LIBOFW} ${LIBSTAND}
LDADD= ${LIBFICL} ${LIBZFSBOOT} ${LIBOFW} -lstand
vers.c: ${.CURDIR}/../../common/newvers.sh ${.CURDIR}/../loader/version
sh ${.CURDIR}/../../common/newvers.sh ${.CURDIR}/../loader/version \

79
sys/boot/sparc64/loader/main.c
View File

@ -53,6 +53,7 @@ __FBSDID("$FreeBSD$");
#include <sys/types.h>
#ifdef LOADER_ZFS_SUPPORT
#include <sys/vtoc.h>
#include "../zfs/libzfs.h"
#endif
#include <vm/vm.h>
@ -74,7 +75,7 @@ __FBSDID("$FreeBSD$");
#include "libofw.h"
#include "dev_net.h"
#define MAXBDDEV 31
#define MAXDEV 31
extern char bootprog_name[], bootprog_rev[], bootprog_date[], bootprog_maker[];
@ -142,11 +143,6 @@ static vm_offset_t heapva;
static phandle_t root;
#ifdef LOADER_ZFS_SUPPORT
static int sparc64_zfs_dev_init(void);
#include "zfs.c"
#endif
/*
* Machine dependent structures that the machine independent
* loader part uses.
@ -159,7 +155,7 @@ struct devsw *devsw[] = {
&netdev,
#endif
#ifdef LOADER_ZFS_SUPPORT
&zfs_dev_compat,
&zfs_dev,
#endif
0
};
@ -733,39 +729,20 @@ tlb_init_sun4u(void)
}
#ifdef LOADER_ZFS_SUPPORT
static int
sparc64_zfs_dev_init(void)
static void
sparc64_zfs_probe(void)
{
struct vtoc8 vtoc;
char devname[512];
spa_t *spa;
vdev_t *vdev;
struct zfs_devdesc zfs_currdev;
char devname[32];
uint64_t guid;
int fd, part, unit;
zfs_init();
guid = 0;
/* Get the GUID of the ZFS pool on the boot device. */
fd = open(getenv("currdev"), O_RDONLY);
if (fd != -1) {
if (vdev_probe(vdev_read, (void *)(uintptr_t) fd, &spa) == 0)
guid = spa->spa_guid;
close(fd);
}
guid = 0;
zfs_probe_dev(getenv("currdev"), &guid);
/* Clean up the environment to let ZFS work. */
while ((vdev = STAILQ_FIRST(&zfs_vdevs)) != NULL) {
STAILQ_REMOVE_HEAD(&zfs_vdevs, v_alllink);
free(vdev);
}
while ((spa = STAILQ_FIRST(&zfs_pools)) != NULL) {
STAILQ_REMOVE_HEAD(&zfs_pools, spa_link);
free(spa);
}
for (unit = 0; unit < MAXBDDEV; unit++) {
for (unit = 0; unit < MAXDEV; unit++) {
/* Find freebsd-zfs slices in the VTOC. */
sprintf(devname, "disk%d:", unit);
fd = open(devname, O_RDONLY);
@ -783,29 +760,23 @@ sparc64_zfs_dev_init(void)
VTOC_TAG_FREEBSD_ZFS)
continue;
sprintf(devname, "disk%d:%c", unit, part + 'a');
fd = open(devname, O_RDONLY);
if (fd == -1)
if (zfs_probe_dev(devname, NULL) == ENXIO)
break;
if (vdev_probe(vdev_read, (void*)(uintptr_t) fd, 0))
close(fd);
}
}
if (guid != 0) {
unit = zfs_guid_to_unit(guid);
if (unit >= 0) {
/* Update the environment for ZFS. */
sprintf(devname, "zfs%d", unit);
env_setenv("currdev", EV_VOLATILE, devname,
ofw_setcurrdev, env_nounset);
env_setenv("loaddev", EV_VOLATILE, devname,
env_noset, env_nounset);
}
zfs_currdev.pool_guid = guid;
zfs_currdev.root_guid = 0;
zfs_currdev.d_dev = &zfs_dev;
zfs_currdev.d_type = zfs_currdev.d_dev->dv_type;
/* Update the environment for ZFS. */
env_setenv("currdev", EV_VOLATILE, zfs_fmtdev(&zfs_currdev),
ofw_setcurrdev, env_nounset);
env_setenv("loaddev", EV_VOLATILE, zfs_fmtdev(&zfs_currdev),
env_noset, env_nounset);
}
return (0);
}
#endif /* LOADER_ZFS_SUPPORT */
int
@ -825,6 +796,9 @@ main(int (*openfirm)(void *))
archsw.arch_copyout = ofw_copyout;
archsw.arch_readin = sparc64_readin;
archsw.arch_autoload = sparc64_autoload;
#ifdef LOADER_ZFS_SUPPORT
archsw.arch_zfs_probe = sparc64_zfs_probe;
#endif
if (init_heap() == (vm_offset_t)-1)
OF_exit();
@ -870,13 +844,6 @@ main(int (*openfirm)(void *))
env_setenv("loaddev", EV_VOLATILE, bootpath,
env_noset, env_nounset);
#ifdef LOADER_ZFS_SUPPORT
/*
* Patch up ZFS.
*/
zfs_dev_compat.dv_init = sparc64_zfs_dev_init;
#endif
/*
* Initialize devices.
*/

69
sys/boot/zfs/zfs.c
View File

@ -418,16 +418,26 @@ zfs_dev_print(int verbose)
* Attempt to open the pool described by (dev) for use by (f).
*/
static int
zfs_dev_open_spa(struct open_file *f, spa_t *spa, uint64_t root_guid)
zfs_dev_open(struct open_file *f, ...)
{
va_list args;
struct zfs_devdesc *dev;
struct zfsmount *mount;
spa_t *spa;
int rv;
va_start(args, f);
dev = va_arg(args, struct zfs_devdesc *);
va_end(args);
spa = spa_find_by_guid(dev->pool_guid);
if (!spa)
return (ENXIO);
rv = zfs_spa_init(spa);
if (rv != 0)
return (rv);
mount = malloc(sizeof(*mount));
rv = zfs_mount(spa, root_guid, mount);
rv = zfs_mount(spa, dev->root_guid, mount);
if (rv != 0) {
free(mount);
return (rv);
@ -439,49 +449,6 @@ zfs_dev_open_spa(struct open_file *f, spa_t *spa, uint64_t root_guid)
return (EIO);
}
f->f_devdata = mount;
return (0);
}
static int
zfs_dev_open(struct open_file *f, ...)
{
va_list args;
struct zfs_devdesc *dev;
spa_t *spa;
int rv;
va_start(args, f);
dev = va_arg(args, struct zfs_devdesc *);
va_end(args);
spa = spa_find_by_guid(dev->pool_guid);
if (!spa)
return (ENXIO);
rv = zfs_dev_open_spa(f, spa, dev->root_guid);
if (rv != 0)
return (rv);
free(dev);
return (0);
}
static int
zfs_dev_open_compat(struct open_file *f, ...)
{
va_list args;
struct devdesc *dev;
spa_t *spa;
int rv;
va_start(args, f);
dev = va_arg(args, struct devdesc *);
va_end(args);
spa = spa_find_by_unit(dev->d_unit);
if (!spa)
return (ENXIO);
rv = zfs_dev_open_spa(f, spa, 0);
if (rv != 0)
return (rv);
free(dev);
return (0);
}
@ -514,18 +481,6 @@ struct devsw zfs_dev = {
.dv_cleanup = NULL
};
struct devsw zfs_dev_compat = {
.dv_name = "zfs",
.dv_type = DEVT_ZFS,
.dv_init = zfs_dev_init,
.dv_strategy = zfs_dev_strategy,
.dv_open = zfs_dev_open_compat,
.dv_close = zfs_dev_close,
.dv_ioctl = noioctl,
.dv_print = zfs_dev_print,
.dv_cleanup = NULL
};
int
zfs_parsedev(struct zfs_devdesc *dev, const char *devspec, const char **path)
{

32
sys/boot/zfs/zfsimpl.c
View File

@ -646,38 +646,6 @@ spa_find_by_name(const char *name)
return (0);
}
#ifndef BOOT2
static spa_t *
spa_find_by_unit(int unit)
{
spa_t *spa;
STAILQ_FOREACH(spa, &zfs_pools, spa_link) {
if (unit == 0)
return (spa);
unit--;
}
return (0);
}
static int
zfs_guid_to_unit(uint64_t guid)
{
spa_t *spa;
int unit;
unit = 0;
STAILQ_FOREACH(spa, &zfs_pools, spa_link) {
if (spa->spa_guid == guid)
return (unit);
unit++;
}
return (-1);
}
#endif
static spa_t *
spa_create(uint64_t guid)
{