Re: [PATCH V3] add multiboot support for tboot

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Applied your patch with the fix noted by clumens.

Thanks.

On 08/15/2011 04:21 PM, David Lehman wrote:
On Mon, 2011-08-15 at 14:57 +0800, Wei, Gang wrote:
From: Gang Wei<gang.wei@xxxxxxxxx>

If tboot package installed, create multiboot entries in GRUB config for kernels.

Looks good to me provided the typo in BootLoader.trusted_boot.setter
gets fixed.

Dave


Signed-off-by: Gang Wei<gang.wei@xxxxxxxxx>
---
  pyanaconda/bootloader.py |   67 +++++++++++++++++++++++++++++++++++++++------
  pyanaconda/yuminstall.py |    2 +
  2 files changed, 60 insertions(+), 9 deletions(-)

diff --git a/pyanaconda/bootloader.py b/pyanaconda/bootloader.py
index 73ef393..4c4c980 100644
--- a/pyanaconda/bootloader.py
+++ b/pyanaconda/bootloader.py
@@ -114,6 +114,27 @@ class LinuxBootLoaderImage(BootLoaderImage):
              filename = "initramfs-%s.img" % self.version
          return filename

+class TbootLinuxBootLoaderImage(LinuxBootLoaderImage):
+    _multiboot = "tboot.gz"     # filename string
+    _mbargs = ["logging=vga,serial,memory"]
+    _args = ["intel_iommu=on"]
+
+    def __init__(self, device=None, label=None, short=None, version=None):
+        super(TbootLinuxBootLoaderImage, self).__init__(
+                                                   device=device, label=label,
+                                                   short=short, version=version)
+
+    @property
+    def multiboot(self):
+        return self._multiboot
+
+    @property
+    def mbargs(self):
+        return self._mbargs
+
+    @property
+    def args(self):
+        return self._args

  class BootLoader(object):
      """TODO:
@@ -154,6 +175,8 @@ class BootLoader(object):
                              "nompath", "nomodeset", "noiswmd", "fips"]
      preserve_args = []

+    _trusted_boot = False
+
      def __init__(self, storage=None):
          # pyanaconda.storage.Storage instance
          self.storage = storage
@@ -944,6 +967,14 @@ class BootLoader(object):
          """ Read an existing bootloader configuration. """
          raise NotImplementedError()

+    @property
+    def trusted_boot(self):
+        return self._trusted_boot
+
+    @trusted_boot.setter
+    def trusted_boot(self, trusted_boot):
+        _trusted_boot = trusted_boot
+
      #
      # installation
      #
@@ -1143,15 +1174,27 @@ class GRUB(BootLoader):
                  grub_root = self.grub_device_name(self.stage2_device)
                  args.update(["ro", "root=%s" % image.device.fstabSpec])
                  args.update(self.boot_args)
+                if isinstance(image, TbootLinuxBootLoaderImage):
+                    args.update(image.args)
+                    snippet = ("\tkernel %(prefix)s/%(multiboot)s %(mbargs)s\n"
+                               "\tmodule %(prefix)s/%(kernel)s %(args)s\n"
+                               "\tmodule %(prefix)s/%(initrd)s\n"
+                               % {"prefix": self.boot_prefix,
+                                  "multiboot": image.multiboot,
+                                  "mbargs": image.mbargs,
+                                  "kernel": image.kernel, "args": args,
+                                  "initrd": image.initrd})
+                else:
+                    snippet = ("\tkernel %(prefix)s/%(kernel)s %(args)s\n"
+                               "\tinitrd %(prefix)s/%(initrd)s\n"
+                               % {"prefix": self.boot_prefix,
+                                  "kernel": image.kernel, "args": args,
+                                  "initrd": image.initrd})
                  stanza = ("title %(label)s (%(version)s)\n"
                            "\troot %(grub_root)s\n"
-                          "\tkernel %(prefix)s/%(kernel)s %(args)s\n"
-                          "\tinitrd %(prefix)s/%(initrd)s\n"
+                          "%(snippet)s"
                            % {"label": image.label, "version": image.version,
-                             "grub_root": grub_root,
-                             "kernel": image.kernel, "initrd": image.initrd,
-                             "args": args,
-                             "prefix": self.boot_prefix})
+                             "grub_root": grub_root, "snippet": snippet})
              else:
                  stanza = ("title %(label)s\n"
                            "\trootnoverify %(grub_root)s\n"
@@ -1988,9 +2031,15 @@ def writeBootloader(anaconda):
          used.append(nick)
          label = "%s-%s" % (base_label, nick)
          short = "%s-%s" % (base_short, nick)
-        image = LinuxBootLoaderImage(device=anaconda.storage.rootDevice,
-                                     version=version,
-                                     label=label, short=short)
+        if anaconda.bootloader.trusted_boot:
+            image = TbootLinuxBootLoaderImage(
+                                         device=anaconda.storage.rootDevice,
+                                         version=version,
+                                         label=label, short=short)
+        else:
+            image = LinuxBootLoaderImage(device=anaconda.storage.rootDevice,
+                                         version=version,
+                                         label=label, short=short)
          anaconda.bootloader.add_image(image)

      # write out /etc/sysconfig/kernel
diff --git a/pyanaconda/yuminstall.py b/pyanaconda/yuminstall.py
index 064cf47..e837fad 100644
--- a/pyanaconda/yuminstall.py
+++ b/pyanaconda/yuminstall.py
@@ -1637,6 +1637,8 @@ reposdir=/etc/anaconda.repos.d,/tmp/updates/anaconda.repos.d,/tmp/product/anacon

          anaconda.intf.setInstallProgressClass(None)

+        anaconda.bootloader.trusted_boot = self.ayum.isPackageInstalled(name="tboot")
+
          if rc == DISPATCH_BACK:
              return DISPATCH_BACK






--
David Cantrell <dcantrell@xxxxxxxxxx>
Supervisor, Installer Engineering Team
Red Hat, Inc. | Westford, MA | EST5EDT

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