int
kobj_boot_mountroot()
{
int i;
if (BOP_GETPROPLEN(ops, "ramdisk_start") != 8 ||
BOP_GETPROP(ops, "ramdisk_start", (void *)&rd_start) != 0 ||
BOP_GETPROPLEN(ops, "ramdisk_end") != 8 ||
BOP_GETPROP(ops, "ramdisk_end", (void *)&rd_end) != 0) {
_kobj_printf(ops,
"failed to get ramdisk from boot\n");
return (-1);
}
#ifdef KOBJ_DEBUG
_kobj_printf(ops,
"ramdisk range: 0x%llx-%llx\n", rd_start, rd_end);
#endif
for (i = 0; bfs_tab[i] != NULL; i++) {
bfs_ops = bfs_tab[i];
if (BRD_MOUNTROOT(bfs_ops, "dummy") == 0)
return (0);
}
_kobj_printf(ops, "failed to mount ramdisk from boot\n");
return (-1);
}
int
loadrootmodules(void)
{
struct vfssw *vsw;
char *this;
char *name;
int err;
/* ONC_PLUS EXTRACT END */
int i, proplen;
extern char *impl_module_list[];
extern char *platform_module_list[];
/* Make sure that the PROM's devinfo tree has been created */
ASSERT(ddi_root_node());
BMDPRINTF(("loadrootmodules: fstype %s\n", rootfs.bo_fstype));
BMDPRINTF(("loadrootmodules: name %s\n", rootfs.bo_name));
BMDPRINTF(("loadrootmodules: flags 0x%x\n", rootfs.bo_flags));
/*
* zzz We need to honor what's in rootfs if it's not null.
* non-null means use what's there. This way we can
* change rootfs with /etc/system AND with tunetool.
*/
if (root_is_svm) {
/* user replaced rootdev, record obp_bootpath */
obp_bootpath[0] = '\0';
(void) getphysdev("root", obp_bootpath, BO_MAXOBJNAME);
BMDPRINTF(("loadrootmodules: obp_bootpath %s\n", obp_bootpath));
} else {
/*
* Get the root fstype and root device path from boot.
*/
rootfs.bo_fstype[0] = '\0';
rootfs.bo_name[0] = '\0';
}
/*
* This lookup will result in modloadonly-ing the root
* filesystem module - it gets _init-ed in rootconf()
*/
if ((vsw = getfstype("root", rootfs.bo_fstype, BO_MAXFSNAME)) == NULL)
return (ENXIO); /* in case we have no file system types */
(void) strcpy(rootfs.bo_fstype, vsw->vsw_name);
vfs_unrefvfssw(vsw);
/*
* Load the favored drivers of the implementation.
* e.g. 'sbus' and possibly 'zs' (even).
*
* Called whilst boot is still loaded (because boot does
* the i/o for us), and DDI services are unavailable.
*/
BMDPRINTF(("loadrootmodules: impl_module_list\n"));
for (i = 0; (this = impl_module_list[i]) != NULL; i++) {
if ((err = load_boot_driver(this)) != 0) {
cmn_err(CE_WARN, "Cannot load drv/%s", this);
return (err);
/* NOTREACHED */
}
}
/*
* Now load the platform modules (if any)
*/
BMDPRINTF(("loadrootmodules: platform_module_list\n"));
for (i = 0; (this = platform_module_list[i]) != NULL; i++) {
if ((err = load_boot_platform_modules(this)) != 0) {
cmn_err(CE_WARN, "Cannot load drv/%s", this);
return (err);
/* NOTREACHED */
}
}
loop:
(void) getphysdev("root", rootfs.bo_name, BO_MAXOBJNAME);
/*
* Given a physical pathname, load the correct set of driver
* modules into memory, including all possible parents.
*
* NB: The code sets the variable 'name' for error reporting.
*/
err = 0;
BMDPRINTF(("loadrootmodules: rootfs %s\n", rootfs.bo_name));
if (root_is_svm == 0) {
BMDPRINTF(("loadrootmodules: rootfs %s\n", rootfs.bo_name));
name = rootfs.bo_name;
err = load_bootpath_drivers(rootfs.bo_name);
}
/*
* Load driver modules in obp_bootpath, this is always
* required for mountroot to succeed. obp_bootpath is
* is set if rootdev is set via /etc/system, which is
* the case if booting of a SVM/VxVM mirror.
*/
if ((err == 0) && obp_bootpath[0] != '\0') {
BMDPRINTF(("loadrootmodules: obp_bootpath %s\n", obp_bootpath));
name = obp_bootpath;
err = load_bootpath_drivers(obp_bootpath);
}
if (err != 0) {
cmn_err(CE_CONT, "Cannot load drivers for %s\n", name);
goto out;
/* NOTREACHED */
}
/*
* Check to see if the booter performed DHCP configuration
* ("bootp-response" boot property exists). If so, then before
* bootops disappears we need to save the value of this property
* such that the userland dhcpagent can adopt the DHCP management
* of our primary network interface.
*/
proplen = BOP_GETPROPLEN(bootops, "bootp-response");
if (proplen > 0) {
dhcack = kmem_zalloc(proplen, KM_SLEEP);
if (BOP_GETPROP(bootops, "bootp-response", dhcack) == -1) {
cmn_err(CE_WARN, "BOP_GETPROP of "
"\"bootp-response\" failed\n");
kmem_free(dhcack, dhcacklen);
dhcack = NULL;
goto out;
}
dhcacklen = proplen;
/*
* Fetch the "netdev-path" boot property (if it exists), and
* stash it for later use by sysinfo(SI_DHCP_CACHE, ...).
*/
proplen = BOP_GETPROPLEN(bootops, "netdev-path");
if (proplen > 0) {
netdev_path = kmem_zalloc(proplen, KM_SLEEP);
if (BOP_GETPROP(bootops, "netdev-path",
(uchar_t *)netdev_path) == -1) {
cmn_err(CE_WARN, "BOP_GETPROP of "
"\"netdev-path\" failed\n");
kmem_free(netdev_path, proplen);
goto out;
}
}
}
/*
* Preload (load-only, no init) all modules which
* were added to the /etc/system file with the
* FORCELOAD keyword.
*/
BMDPRINTF(("loadrootmodules: preload_module\n"));
(void) mod_sysctl_type(MOD_FORCELOAD, preload_module, NULL);
/* ONC_PLUS EXTRACT START */
/*
* If we booted otw then load in the plumbing
* routine now while we still can. If we didn't
* boot otw then we will load strplumb in main().
*
* NFS is actually a set of modules, the core routines,
* a diskless helper module, rpcmod, and the tli interface. Load
* them now while we still can.
*
* Because we glomb all versions of nfs into a single module
* we check based on the initial string "nfs".
*
* XXX: A better test for this is to see if device_type
* XXX: from the PROM is "network".
*/
if (strncmp(rootfs.bo_fstype, "nfs", 3) == 0) {
++netboot;
if ((err = modload("misc", "tlimod")) < 0) {
cmn_err(CE_CONT, "Cannot load misc/tlimod\n");
goto out;
/* NOTREACHED */
}
if ((err = modload("strmod", "rpcmod")) < 0) {
cmn_err(CE_CONT, "Cannot load strmod/rpcmod\n");
goto out;
/* NOTREACHED */
}
if ((err = modload("misc", "nfs_dlboot")) < 0) {
cmn_err(CE_CONT, "Cannot load misc/nfs_dlboot\n");
goto out;
/* NOTREACHED */
}
if ((err = modload("mac", "mac_ether")) < 0) {
cmn_err(CE_CONT, "Cannot load mac/mac_ether\n");
goto out;
/* NOTREACHED */
}
if ((err = modload("misc", "strplumb")) < 0) {
cmn_err(CE_CONT, "Cannot load misc/strplumb\n");
goto out;
/* NOTREACHED */
}
if ((err = strplumb_load()) < 0) {
goto out;
/* NOTREACHED */
}
}
/*
* Preload modules needed for booting as a cluster.
*/
err = clboot_loadrootmodules();
out:
if (err != 0 && (boothowto & RB_ASKNAME))
goto loop;
return (err);
}
/*
* Create classes and major number bindings for the name of my root.
* Called immediately before 'loadrootmodules'
*/
static void
impl_create_root_class(void)
{
major_t major;
size_t size;
char *cp;
/*
* The name for the root nexus is exactly as the manufacturer
* placed it in the prom name property. No translation.
*/
if ((major = ddi_name_to_major("rootnex")) == DDI_MAJOR_T_NONE)
panic("Couldn't find major number for 'rootnex'");
/*
* C OBP (Serengeti) does not include the NULL when returning
* the length of the name property, while this violates 1275,
* Solaris needs to work around this by allocating space for
* an extra character.
*/
size = (size_t)BOP_GETPROPLEN(bootops, "mfg-name") + 1;
rootname = kmem_zalloc(size, KM_SLEEP);
(void) BOP_GETPROP(bootops, "mfg-name", rootname);
/*
* Fix conflict between OBP names and filesystem names.
* Substitute '_' for '/' in the name. Ick. This is only
* needed for the root node since '/' is not a legal name
* character in an OBP device name.
*/
for (cp = rootname; *cp; cp++)
if (*cp == '/')
*cp = '_';
/*
* Bind rootname to rootnex driver
*/
if (make_mbind(rootname, major, NULL, mb_hashtab) != 0) {
cmn_err(CE_WARN, "A driver or driver alias has already "
"registered the name \"%s\". The root nexus needs to "
"use this name, and will override the existing entry. "
"Please correct /etc/name_to_major and/or "
"/etc/driver_aliases and reboot.", rootname);
/*
* Resort to the emergency measure of blowing away the
* existing hash entry and replacing it with rootname's.
*/
delete_mbind(rootname, mb_hashtab);
if (make_mbind(rootname, major, NULL, mb_hashtab) != 0)
panic("mb_hashtab: inconsistent state.");
}
/*
* The `platform' or `implementation architecture' name has been
* translated by boot to be proper for file system use. It is
* the `name' of the platform actually booted. Note the assumption
* is that the name will `fit' in the buffer platform (which is
* of size SYS_NMLN, which is far bigger than will actually ever
* be needed).
*/
(void) BOP_GETPROP(bootops, "impl-arch-name", platform);
/*
* If boot-aoepath is defined, assume it's AoE boot and set bootpath to
* aoeblk/blkdev device corresponding to specified shelf.slot numbers.
*/
size = (size_t)BOP_GETPROPLEN(bootops, "boot-aoepath");
if (size != -1) {
char aoedev[MAXPATHLEN];
char *delim;
int shelf, slot;
aoepath_prop = kmem_zalloc(size, KM_SLEEP);
(void) BOP_GETPROP(bootops, "boot-aoepath", aoepath_prop);
/*
* If boot-aoepath is set to "auto", device will be
* configured later during AoE autoconfiguration.
*/
if (strcmp(aoepath_prop, "auto") != 0) {
if ((delim = strchr(aoepath_prop, '.')) != NULL)
*delim++ = '\0';
if (ddi_strtol(aoepath_prop, (char **)NULL, 10,
(long *)&shelf) != 0)
shelf = 0;
if (delim == NULL ||
ddi_strtol(delim, (char **)NULL, 10,
(long *)&slot) != 0)
slot = 0;
/* FIXME aoeblk@0,0 ?! */
(void) snprintf(aoedev, MAXPATHLEN,
"/aoe/aoeblk@0,0/blkdev@%d,%d",
shelf, slot);
setbootpath(aoedev);
}
}
#if defined(__x86)
/*
* Retrieve and honor the bootpath and optional fstype properties
*/
size = (size_t)BOP_GETPROPLEN(bootops, "bootpath");
if (size != -1) {
bootpath_prop = kmem_zalloc(size, KM_SLEEP);
(void) BOP_GETPROP(bootops, "bootpath", bootpath_prop);
setbootpath(bootpath_prop);
}
size = (size_t)BOP_GETPROPLEN(bootops, "fstype");
if (size != -1) {
fstype_prop = kmem_zalloc(size, KM_SLEEP);
(void) BOP_GETPROP(bootops, "fstype", fstype_prop);
setbootfstype(fstype_prop);
}
#endif
}
/*
* Copy the memlist from boot to kernel, each list is an {addr, size} array
* with addr and size of 64-bit (u_longlong_t). The returned length for each
* array is 2*the number of array elements.
*
*/
void
copy_boot_memlists(u_longlong_t **physinstalled, size_t *physinstalled_len,
u_longlong_t **physavail, size_t *physavail_len,
u_longlong_t **virtavail, size_t *virtavail_len)
{
int align = BO_ALIGN_L3;
size_t len;
struct bootmem_props *tmp = bootmem_props;
tryagain:
for (tmp = bootmem_props; tmp->name != NULL; tmp++) {
len = BOP_GETPROPLEN(bootops, tmp->name);
if (len == 0) {
panic("cannot get length of \"%s\" property",
tmp->name);
}
tmp->nelems = len / sizeof (u_longlong_t);
len = roundup(len, PAGESIZE);
if (len <= tmp->bufsize)
continue;
/* need to allocate more */
if (tmp->ptr) {
BOP_FREE(bootops, (caddr_t)tmp->ptr, tmp->bufsize);
tmp->ptr = NULL;
tmp->bufsize = 0;
}
tmp->bufsize = len;
tmp->ptr = (void *)BOP_ALLOC(bootops, 0, tmp->bufsize, align);
if (tmp->ptr == NULL)
panic("cannot allocate %lu bytes for \"%s\" property",
tmp->bufsize, tmp->name);
}
/*
* take the most current snapshot we can by calling mem-update
*/
if (BOP_GETPROPLEN(bootops, "memory-update") == 0)
(void) BOP_GETPROP(bootops, "memory-update", NULL);
/* did the sizes change? */
for (tmp = bootmem_props; tmp->name != NULL; tmp++) {
len = BOP_GETPROPLEN(bootops, tmp->name);
tmp->nelems = len / sizeof (u_longlong_t);
len = roundup(len, PAGESIZE);
if (len > tmp->bufsize) {
/* ick. Free them all and try again */
for (tmp = bootmem_props; tmp->name != NULL; tmp++) {
BOP_FREE(bootops, (caddr_t)tmp->ptr,
tmp->bufsize);
tmp->ptr = NULL;
tmp->bufsize = 0;
}
goto tryagain;
}
}
/* now we can retrieve the properties */
for (tmp = bootmem_props; tmp->name != NULL; tmp++) {
if (BOP_GETPROP(bootops, tmp->name, tmp->ptr) == -1) {
panic("cannot retrieve \"%s\" property",
tmp->name);
}
}
*physinstalled = bootmem_props[PHYSINSTALLED].ptr;
*physinstalled_len = bootmem_props[PHYSINSTALLED].nelems;
*physavail = bootmem_props[PHYSAVAIL].ptr;
*physavail_len = bootmem_props[PHYSAVAIL].nelems;
*virtavail = bootmem_props[VIRTAVAIL].ptr;
*virtavail_len = bootmem_props[VIRTAVAIL].nelems;
}
/*
* Create classes and major number bindings for the name of my root.
* Called immediately before 'loadrootmodules'
*/
static void
impl_create_root_class(void)
{
major_t major;
size_t size;
char *cp;
extern struct bootops *bootops;
/*
* The name for the root nexus is exactly as the manufacturer
* placed it in the prom name property. No translation.
*/
if ((major = ddi_name_to_major("rootnex")) == (major_t)-1)
panic("Couldn't find major number for 'rootnex'");
size = (size_t)BOP_GETPROPLEN(bootops, "mfg-name");
rootname = kmem_zalloc(size, KM_SLEEP);
(void) BOP_GETPROP(bootops, "mfg-name", rootname);
/*
* Fix conflict between OBP names and filesystem names.
* Substitute '_' for '/' in the name. Ick. This is only
* needed for the root node since '/' is not a legal name
* character in an OBP device name.
*/
for (cp = rootname; *cp; cp++)
if (*cp == '/')
*cp = '_';
/*
* Bind rootname to rootnex driver
*/
if (make_mbind(rootname, major, NULL, mb_hashtab) != 0) {
cmn_err(CE_WARN, "A driver or driver alias has already "
"registered the name \"%s\". The root nexus needs to "
"use this name, and will override the existing entry. "
"Please correct /etc/name_to_major and/or "
"/etc/driver_aliases and reboot.", rootname);
/*
* Resort to the emergency measure of blowing away the
* existing hash entry and replacing it with rootname's.
*/
delete_mbind(rootname, mb_hashtab);
if (make_mbind(rootname, major, NULL, mb_hashtab) != 0)
panic("mb_hashtab: inconsistent state.");
}
/*
* The `platform' or `implementation architecture' name has been
* translated by boot to be proper for file system use. It is
* the `name' of the platform actually booted. Note the assumption
* is that the name will `fit' in the buffer platform (which is
* of size SYS_NMLN, which is far bigger than will actually ever
* be needed).
*/
(void) BOP_GETPROP(bootops, "impl-arch-name", platform);
#if defined(__x86)
/*
* Retrieve and honor the bootpath and optional fstype properties
*/
size = (size_t)BOP_GETPROPLEN(bootops, "bootpath");
if (size != -1) {
bootpath_prop = kmem_zalloc(size, KM_SLEEP);
(void) BOP_GETPROP(bootops, "bootpath", bootpath_prop);
setbootpath(bootpath_prop);
}
size = (size_t)BOP_GETPROPLEN(bootops, "fstype");
if (size != -1) {
fstype_prop = kmem_zalloc(size, KM_SLEEP);
(void) BOP_GETPROP(bootops, "fstype", fstype_prop);
setbootfstype(fstype_prop);
}
#endif
}
