Author: tsoome
Date: Wed Nov 6 21:13:10 2019
New Revision: 354415
URL: https://svnweb.freebsd.org/changeset/base/354415
Log:
loader.efi: HARDDRIVE_DEVICE_PATH may have subpaths
The macos does create Vendor Media devices on top of APFS container
(like partition table inside the partition), so we need to collect such
devices into respective device tree.
MFC after: 1 week
Modified:
head/stand/efi/libefi/efipart.c
Modified: head/stand/efi/libefi/efipart.c
==============================================================================
--- head/stand/efi/libefi/efipart.c Wed Nov 6 21:04:02 2019
(r354414)
+++ head/stand/efi/libefi/efipart.c Wed Nov 6 21:13:10 2019
(r354415)
@@ -313,11 +313,14 @@ efipart_floppy(EFI_DEVICE_PATH *node)
static pdinfo_t *
efipart_find_parent(pdinfo_list_t *pdi, EFI_DEVICE_PATH *devpath)
{
- pdinfo_t *pd;
+ pdinfo_t *pd, *part;
STAILQ_FOREACH(pd, pdi, pd_link) {
if (efi_devpath_is_prefix(pd->pd_devpath, devpath))
return (pd);
+ part = efipart_find_parent(&pd->pd_part, devpath);
+ if (part != NULL)
+ return (part);
}
return (NULL);
}
@@ -500,22 +503,44 @@ efipart_initcd(void)
return (0);
}
-static void
-efipart_hdinfo_add(pdinfo_t *hd, HARDDRIVE_DEVICE_PATH *node)
+static bool
+efipart_hdinfo_add_node(pdinfo_t *hd, EFI_DEVICE_PATH *node)
{
pdinfo_t *pd, *last;
+ VENDOR_DEVICE_PATH *ven_node;
STAILQ_FOREACH(pd, &hdinfo, pd_link) {
- if (efi_devpath_is_prefix(pd->pd_devpath, hd->pd_devpath)) {
- /* Add the partition. */
- hd->pd_unit = node->PartitionNumber;
- hd->pd_parent = pd;
- hd->pd_devsw = &efipart_hddev;
- STAILQ_INSERT_TAIL(&pd->pd_part, hd, pd_link);
- return;
- }
+ if (efi_devpath_is_prefix(pd->pd_devpath, hd->pd_devpath))
+ break;
}
+ if (pd == NULL)
+ return (false);
+ /* Add the partition. */
+ if (DevicePathSubType(node) == MEDIA_HARDDRIVE_DP) {
+ hd->pd_unit = ((HARDDRIVE_DEVICE_PATH *)node)->PartitionNumber;
+ } else {
+ last = STAILQ_LAST(&pd->pd_part, pdinfo, pd_link);
+ if (last != NULL)
+ hd->pd_unit = last->pd_unit + 1;
+ else
+ hd->pd_unit = 0;
+ }
+ hd->pd_parent = pd;
+ hd->pd_devsw = &efipart_hddev;
+
+ STAILQ_INSERT_TAIL(&pd->pd_part, hd, pd_link);
+ return (true);
+}
+
+static void
+efipart_hdinfo_add(pdinfo_t *hd, EFI_DEVICE_PATH *node)
+{
+ pdinfo_t *pd, *last;
+
+ if (efipart_hdinfo_add_node(hd, node))
+ return;
+
last = STAILQ_LAST(&hdinfo, pdinfo, pd_link);
if (last != NULL)
hd->pd_unit = last->pd_unit + 1;
@@ -677,7 +702,7 @@ restart:
efipart_hdinfo_add(parent, NULL);
}
- efipart_hdinfo_add(hd, (HARDDRIVE_DEVICE_PATH *)node);
+ efipart_hdinfo_add(hd, node);
goto restart;
}
}
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