Query some files in rootfs to discover whether we are in a PowerVM,
powerKVM or a Power Bare Metal system.
Signed-off-by: Gabriel Krisman Bertazi <kris...@linux.vnet.ibm.com>
---
iprlib.c | 22 ++++++++++++++++++++++
iprlib.h | 4 ++++
2 files changed, 26 insertions(+)
diff --git a/iprlib.c b/iprlib.c
index b03c995..7b9536c 100644
--- a/iprlib.c
+++ b/iprlib.c
@@ -44,6 +44,9 @@ static int ipr_force_uevents = 0;
static char *hotplug_dir = NULL;
static struct scsi_dev_data *scsi_dev_table = NULL;
+/* Current state of this machine. */
+enum system_p_mode power_cur_mode = POWER_BAREMETAL;
+
/* This table includes both unsupported 522 disks and disks that support
being formatted to 522, but require a minimum microcode level. The disks
that require a minimum level of microcode will be marked by the
@@ -2068,6 +2071,23 @@ static void ipr_get_pci_slots()
}
/**
+ * load_system_p_oper_mode
+ *
+ * Discover and load current operating mode.
+ **/
+void load_system_p_oper_mode()
+{
+ struct stat st;
+
+ if (stat("/proc/ppc64/lparcfg", &st) == 0)
+ power_cur_mode = POWER_VM;
+ else if (stat("/etc/ibm_powerkvm-release", &st) == 0)
+ power_cur_mode = POWER_KVM;
+ else
+ power_cur_mode = POWER_BAREMETAL;
+}
+
+/**
* tool_init -
* @save_state: integer flag - whether or not to save the old
config
*
@@ -2175,6 +2195,8 @@ static int __tool_init(int save_state)
}
closedir(dirfd);
+ load_system_p_oper_mode();
+
if (!save_state)
free_old_config();
diff --git a/iprlib.h b/iprlib.h
index 736d9d6..9ac523c 100644
--- a/iprlib.h
+++ b/iprlib.h
@@ -237,6 +237,9 @@ typedef uint64_t u64;
/* Device write cache policies. */
enum {IPR_DEV_CACHE_WRITE_THROUGH = 0, IPR_DEV_CACHE_WRITE_BACK};
+/* System P Operating modes */
+enum system_p_mode {POWER_VM, POWER_KVM, POWER_BAREMETAL} ;
+
#define IPR_IS_DASD_DEVICE(std_inq_data) \
((((std_inq_data).peri_dev_type) == TYPE_DISK) &&
!((std_inq_data).removeable_medium))
@@ -274,6 +277,7 @@ extern int format_done;
extern char *tool_name;
extern struct sysfs_dev *head_zdev;
extern struct sysfs_dev *tail_zdev;
+extern enum system_p_mode power_cur_mode;
struct sysfs_dev {
char sysfs_device_name[PATH_MAX];
--
2.1.0
------------------------------------------------------------------------------
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