From 06f3c3ac60111a2ebffdc6f6acf16847153c0589 Mon Sep 17 00:00:00 2001
From: Jag Raman <jag.raman@oracle.com>
Date: Fri, 23 Jun 2017 14:58:34 -0400
Subject: sparc64: add MDESC node name property to VIO device metadata
Add the MDESC node name of MDESC client to VIO device metadata. It is
later used to uniquely identify a node in the MDESC. VIO & MDESC APIs
are updated to handle this node name.
Signed-off-by: Jagannathan Raman <jag.raman@oracle.com>
Reviewed-by: Liam Merwick <liam.merwick@oracle.com>
Reviewed-by: Shannon Nelson <shannon.nelson@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
arch/sparc/include/asm/mdesc.h | 7 ++++---
arch/sparc/include/asm/vio.h | 2 ++
2 files changed, 6 insertions(+), 3 deletions(-)
(limited to 'arch/sparc/include')
diff --git a/arch/sparc/include/asm/mdesc.h b/arch/sparc/include/asm/mdesc.h
index 68d19909d1cd..e8a4c413a1c7 100644
--- a/arch/sparc/include/asm/mdesc.h
+++ b/arch/sparc/include/asm/mdesc.h
@@ -63,9 +63,10 @@ u64 mdesc_arc_target(struct mdesc_handle *hp, u64 arc);
void mdesc_update(void);
struct mdesc_notifier_client {
- void (*add)(struct mdesc_handle *handle, u64 node);
- void (*remove)(struct mdesc_handle *handle, u64 node);
-
+ void (*add)(struct mdesc_handle *handle, u64 node,
+ const char *node_name);
+ void (*remove)(struct mdesc_handle *handle, u64 node,
+ const char *node_name);
const char *node_name;
struct mdesc_notifier_client *next;
};
diff --git a/arch/sparc/include/asm/vio.h b/arch/sparc/include/asm/vio.h
index 9dca7a892978..69cb3a5ff8cf 100644
--- a/arch/sparc/include/asm/vio.h
+++ b/arch/sparc/include/asm/vio.h
@@ -316,12 +316,14 @@ static inline u32 vio_dring_prev(struct vio_dring_state *dr, u32 index)
}
#define VIO_MAX_TYPE_LEN 32
+#define VIO_MAX_NAME_LEN 32
#define VIO_MAX_COMPAT_LEN 64
struct vio_dev {
u64 mp;
struct device_node *dp;
+ char node_name[VIO_MAX_NAME_LEN];
char type[VIO_MAX_TYPE_LEN];
char compat[VIO_MAX_COMPAT_LEN];
int compat_len;
--
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