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From: Colin Watson <cjwatson@ubuntu.com>
Date: Mon, 13 Jan 2014 12:13:31 +0000
Subject: Probe FusionIO devices
Bug-Ubuntu: https://bugs.launchpad.net/bugs/1237519
Forwarded: no
Last-Update: 2016-09-18
Patch-Name: probe-fusionio.patch
---
grub-core/osdep/linux/getroot.c | 13 +++++++++++++
util/deviceiter.c | 19 +++++++++++++++++++
2 files changed, 32 insertions(+)
diff --git a/grub-core/osdep/linux/getroot.c b/grub-core/osdep/linux/getroot.c
index 7dd775d..b4e279f 100644
--- a/grub-core/osdep/linux/getroot.c
+++ b/grub-core/osdep/linux/getroot.c
@@ -960,6 +960,19 @@ grub_util_part_to_disk (const char *os_dev, struct stat *st,
*pp = '\0';
return path;
}
+
+ /* If this is a FusionIO disk. */
+ if ((strncmp ("fio", p, 3) == 0) && p[3] >= 'a' && p[3] <= 'z')
+ {
+ char *pp = p + 3;
+ while (*pp >= 'a' && *pp <= 'z')
+ pp++;
+ if (*pp)
+ *is_part = 1;
+ /* /dev/fio[a-z]+[0-9]* */
+ *pp = '\0';
+ return path;
+ }
}
return path;
diff --git a/util/deviceiter.c b/util/deviceiter.c
index b5b9ac6..3a8f277 100644
--- a/util/deviceiter.c
+++ b/util/deviceiter.c
@@ -384,6 +384,12 @@ get_nvme_disk_name (char *name, int controller, int namespace)
{
sprintf (name, "/dev/nvme%dn%d", controller, namespace);
}
+
+static void
+get_fio_disk_name (char *name, int unit)
+{
+ sprintf (name, "/dev/fio%c", unit + 'a');
+}
#endif
static struct seen_device
@@ -929,6 +935,19 @@ grub_util_iterate_devices (int (*hook) (const char *, int, void *), void *hook_d
}
}
+ /* FusionIO. */
+ for (i = 0; i < 26; i++)
+ {
+ char name[16];
+
+ get_fio_disk_name (name, i);
+ if (check_device_readable_unique (name))
+ {
+ if (hook (name, 0, hook_data))
+ goto out;
+ }
+ }
+
# ifdef HAVE_DEVICE_MAPPER
# define dmraid_check(cond, ...) \
if (! (cond)) \
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