diff options
Diffstat (limited to 'sys/boot/efi/loader/main.c')
| -rw-r--r-- | sys/boot/efi/loader/main.c | 75 |
1 files changed, 74 insertions, 1 deletions
diff --git a/sys/boot/efi/loader/main.c b/sys/boot/efi/loader/main.c index 3da842c..a90a87e 100644 --- a/sys/boot/efi/loader/main.c +++ b/sys/boot/efi/loader/main.c @@ -39,6 +39,10 @@ __FBSDID("$FreeBSD$"); #include <bootstrap.h> #include <smbios.h> +#ifdef EFI_ZFS_BOOT +#include <libzfs.h> +#endif + #include "loader_efi.h" extern char bootprog_name[]; @@ -60,6 +64,10 @@ EFI_GUID hoblist = HOB_LIST_TABLE_GUID; EFI_GUID memtype = MEMORY_TYPE_INFORMATION_TABLE_GUID; EFI_GUID debugimg = DEBUG_IMAGE_INFO_TABLE_GUID; +#ifdef EFI_ZFS_BOOT +static void efi_zfs_probe(void); +#endif + /* * Need this because EFI uses UTF-16 unicode string constants, but we * use UTF-8. We can't use printf due to the possiblity of \0 and we @@ -82,6 +90,7 @@ main(int argc, CHAR16 *argv[]) EFI_GUID *guid; int i, j, vargood, unit; struct devsw *dev; + uint64_t pool_guid; UINTN k; archsw.arch_autoload = efi_autoload; @@ -89,6 +98,10 @@ main(int argc, CHAR16 *argv[]) archsw.arch_copyin = efi_copyin; archsw.arch_copyout = efi_copyout; archsw.arch_readin = efi_readin; +#ifdef EFI_ZFS_BOOT + /* Note this needs to be set before ZFS init. */ + archsw.arch_zfs_probe = efi_zfs_probe; +#endif /* * XXX Chicken-and-egg problem; we want to have console output @@ -167,10 +180,27 @@ main(int argc, CHAR16 *argv[]) */ BS->SetWatchdogTimer(0, 0, 0, NULL); - if (efi_handle_lookup(img->DeviceHandle, &dev, &unit) != 0) + if (efi_handle_lookup(img->DeviceHandle, &dev, &unit, &pool_guid) != 0) return (EFI_NOT_FOUND); switch (dev->dv_type) { +#ifdef EFI_ZFS_BOOT + case DEVT_ZFS: { + struct zfs_devdesc currdev; + + currdev.d_dev = dev; + currdev.d_unit = unit; + currdev.d_type = currdev.d_dev->dv_type; + currdev.d_opendata = NULL; + currdev.pool_guid = pool_guid; + currdev.root_guid = 0; + env_setenv("currdev", EV_VOLATILE, efi_fmtdev(&currdev), + efi_setcurrdev, env_nounset); + env_setenv("loaddev", EV_VOLATILE, efi_fmtdev(&currdev), env_noset, + env_nounset); + break; + } +#endif default: { struct devdesc currdev; @@ -452,3 +482,46 @@ command_nvram(int argc, char *argv[]) return (CMD_OK); } + +#ifdef EFI_ZFS_BOOT +COMMAND_SET(lszfs, "lszfs", "list child datasets of a zfs dataset", + command_lszfs); + +static int +command_lszfs(int argc, char *argv[]) +{ + int err; + + if (argc != 2) { + command_errmsg = "wrong number of arguments"; + return (CMD_ERROR); + } + + err = zfs_list(argv[1]); + if (err != 0) { + command_errmsg = strerror(err); + return (CMD_ERROR); + } + return (CMD_OK); +} +#endif + +#ifdef EFI_ZFS_BOOT +static void +efi_zfs_probe(void) +{ + EFI_HANDLE h; + u_int unit; + int i; + char dname[SPECNAMELEN + 1]; + uint64_t guid; + + unit = 0; + h = efi_find_handle(&efipart_dev, 0); + for (i = 0; h != NULL; h = efi_find_handle(&efipart_dev, ++i)) { + snprintf(dname, sizeof(dname), "%s%d:", efipart_dev.dv_name, i); + if (zfs_probe_dev(dname, &guid) == 0) + (void)efi_handle_update_dev(h, &zfs_dev, unit++, guid); + } +} +#endif |
