|
|
b7337d |
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
|
|
|
b7337d |
From: Benjamin Marzinski <bmarzins@redhat.com>
|
|
|
b7337d |
Date: Tue, 3 Nov 2020 14:27:58 -0600
|
|
|
b7337d |
Subject: [PATCH] libmultipath: factor out code to get vpd page data
|
|
|
b7337d |
|
|
|
b7337d |
A future patch will reuse the code to get the vpd page data, so factor
|
|
|
b7337d |
it out from get_vpd_sgio().
|
|
|
b7337d |
|
|
|
b7337d |
Signed-off-by: Benjamin Marzinski <bmarzins@redhat.com>
|
|
|
b7337d |
---
|
|
|
b7337d |
libmultipath/discovery.c | 19 +++++++++++++++----
|
|
|
b7337d |
1 file changed, 15 insertions(+), 4 deletions(-)
|
|
|
b7337d |
|
|
|
b7337d |
diff --git a/libmultipath/discovery.c b/libmultipath/discovery.c
|
|
|
b7337d |
index aa5942c3..eb1e735d 100644
|
|
|
b7337d |
--- a/libmultipath/discovery.c
|
|
|
b7337d |
+++ b/libmultipath/discovery.c
|
|
|
b7337d |
@@ -1239,11 +1239,10 @@ get_vpd_sysfs (struct udev_device *parent, int pg, char * str, int maxlen)
|
|
|
b7337d |
return len;
|
|
|
b7337d |
}
|
|
|
b7337d |
|
|
|
b7337d |
-int
|
|
|
b7337d |
-get_vpd_sgio (int fd, int pg, int vend_id, char * str, int maxlen)
|
|
|
b7337d |
+static int
|
|
|
b7337d |
+fetch_vpd_page(int fd, int pg, unsigned char *buff)
|
|
|
b7337d |
{
|
|
|
b7337d |
- int len, buff_len;
|
|
|
b7337d |
- unsigned char buff[4096];
|
|
|
b7337d |
+ int buff_len;
|
|
|
b7337d |
|
|
|
b7337d |
memset(buff, 0x0, 4096);
|
|
|
b7337d |
if (sgio_get_vpd(buff, 4096, fd, pg) < 0) {
|
|
|
b7337d |
@@ -1264,6 +1263,18 @@ get_vpd_sgio (int fd, int pg, int vend_id, char * str, int maxlen)
|
|
|
b7337d |
condlog(3, "vpd pg%02x page truncated", pg);
|
|
|
b7337d |
buff_len = 4096;
|
|
|
b7337d |
}
|
|
|
b7337d |
+ return buff_len;
|
|
|
b7337d |
+}
|
|
|
b7337d |
+
|
|
|
b7337d |
+int
|
|
|
b7337d |
+get_vpd_sgio (int fd, int pg, int vend_id, char * str, int maxlen)
|
|
|
b7337d |
+{
|
|
|
b7337d |
+ int len, buff_len;
|
|
|
b7337d |
+ unsigned char buff[4096];
|
|
|
b7337d |
+
|
|
|
b7337d |
+ buff_len = fetch_vpd_page(fd, pg, buff);
|
|
|
b7337d |
+ if (buff_len < 0)
|
|
|
b7337d |
+ return buff_len;
|
|
|
b7337d |
if (pg == 0x80)
|
|
|
b7337d |
len = parse_vpd_pg80(buff, str, maxlen);
|
|
|
b7337d |
else if (pg == 0x83)
|
|
|
b7337d |
--
|
|
|
b7337d |
2.17.2
|
|
|
b7337d |
|