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base/SOURCES/0246-RHBZ-1593459-add-trans...

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---
libmultipath/blacklist.c | 50 ++++++++++++++++++++++++++----
libmultipath/blacklist.h | 3 +
libmultipath/config.c | 16 +++++++++
libmultipath/config.h | 2 +
libmultipath/dict.c | 38 +++++++++++++++++++++--
libmultipath/discovery.c | 5 +--
libmultipath/print.c | 74 +++++++++++++++++++++++++++++++++++++++++++++
libmultipath/print.h | 2 +
libmultipath/structs.h | 1
multipath/multipath.conf.5 | 15 +++++++++
10 files changed, 194 insertions(+), 12 deletions(-)
Index: multipath-tools-130222/libmultipath/blacklist.c
===================================================================
--- multipath-tools-130222.orig/libmultipath/blacklist.c
+++ multipath-tools-130222/libmultipath/blacklist.c
@@ -12,6 +12,8 @@
#include "structs.h"
#include "config.h"
#include "blacklist.h"
+#include "structs_vec.h"
+#include "print.h"
extern int
store_ble (vector blist, char * str, int origin)
@@ -211,12 +213,14 @@ setup_default_blist (struct config * con
condlog(3, "%s: (%s) %s", dev, wwid, (M)); \
else if (env) \
condlog(3, "%s: (%s) %s", dev, env, (M)); \
+ else if (protocol) \
+ condlog(3, "%s: (%s) %s", dev, protocol, (M)); \
else \
condlog(3, "%s: %s", dev, (M))
void
log_filter (const char *dev, char *vendor, char *product, char *wwid,
- const char *env, int r)
+ const char *env, char *protocol, int r)
{
/*
* Try to sort from most likely to least.
@@ -236,6 +240,9 @@ log_filter (const char *dev, char *vendo
case MATCH_PROPERTY_BLIST:
LOG_BLIST("udev property blacklisted");
break;
+ case MATCH_PROTOCOL_BLIST:
+ LOG_BLIST("protocol blacklisted");
+ break;
case MATCH_DEVICE_BLIST_EXCEPT:
LOG_BLIST("vendor/product whitelisted");
break;
@@ -251,6 +258,9 @@ log_filter (const char *dev, char *vendo
case MATCH_PROPERTY_BLIST_MISSING:
LOG_BLIST("blacklisted, udev property missing");
break;
+ case MATCH_PROTOCOL_BLIST_EXCEPT:
+ LOG_BLIST("protocol whitelisted");
+ break;
}
}
@@ -270,7 +280,7 @@ int
filter_device (vector blist, vector elist, char * vendor, char * product)
{
int r = _filter_device(blist, elist, vendor, product);
- log_filter(NULL, vendor, product, NULL, NULL, r);
+ log_filter(NULL, vendor, product, NULL, NULL, NULL, r);
return r;
}
@@ -290,7 +300,7 @@ int
filter_devnode (vector blist, vector elist, char * dev)
{
int r = _filter_devnode(blist, elist, dev);
- log_filter(dev, NULL, NULL, NULL, NULL, r);
+ log_filter(dev, NULL, NULL, NULL, NULL, NULL, r);
return r;
}
@@ -310,7 +320,7 @@ int
filter_wwid (vector blist, vector elist, char * wwid)
{
int r = _filter_wwid(blist, elist, wwid);
- log_filter(NULL, NULL, NULL, wwid, NULL, r);
+ log_filter(NULL, NULL, NULL, wwid, NULL, NULL, r);
return r;
}
@@ -346,7 +356,7 @@ filter_property(struct config * conf, st
r = _filter_property(conf, env);
if (r) {
- log_filter(devname, NULL, NULL, NULL, env, r);
+ log_filter(devname, NULL, NULL, NULL, env, NULL, r);
return r;
}
}
@@ -356,13 +366,35 @@ filter_property(struct config * conf, st
* the environment variable _has_ to match.
*/
if (VECTOR_SIZE(conf->elist_property)) {
- log_filter(devname, NULL, NULL, NULL, NULL,
+ log_filter(devname, NULL, NULL, NULL, NULL, NULL,
MATCH_PROPERTY_BLIST_MISSING);
return MATCH_PROPERTY_BLIST_MISSING;
}
return 0;
}
+static int
+_filter_protocol(vector blist, vector elist, char *protocol_str)
+{
+ if (_blacklist_exceptions(elist, protocol_str))
+ return MATCH_PROTOCOL_BLIST_EXCEPT;
+ if (_blacklist(blist, protocol_str))
+ return MATCH_PROTOCOL_BLIST;
+ return 0;
+}
+
+int
+filter_protocol(vector blist, vector elist, struct path * pp)
+{
+ char buf[PROTOCOL_BUF_SIZE];
+ int r;
+
+ snprint_path_protocol(buf, sizeof(buf), pp);
+ r = _filter_protocol(blist, elist, buf);
+ log_filter(pp->dev, NULL, NULL, NULL, NULL, buf, r);
+ return r;
+}
+
int
_filter_path (struct config * conf, struct path * pp)
{
@@ -371,6 +403,9 @@ _filter_path (struct config * conf, stru
r = filter_property(conf, pp->udev);
if (r > 0)
return r;
+ r = filter_protocol(conf->blist_protocol, conf->elist_protocol, pp);
+ if (r > 0)
+ return r;
r = _filter_devnode(conf->blist_devnode, conf->elist_devnode,pp->dev);
if (r > 0)
return r;
@@ -386,7 +421,8 @@ int
filter_path (struct config * conf, struct path * pp)
{
int r=_filter_path(conf, pp);
- log_filter(pp->dev, pp->vendor_id, pp->product_id, pp->wwid, NULL, r);
+ log_filter(pp->dev, pp->vendor_id, pp->product_id, pp->wwid, NULL,
+ NULL, r);
return r;
}
Index: multipath-tools-130222/libmultipath/blacklist.h
===================================================================
--- multipath-tools-130222.orig/libmultipath/blacklist.h
+++ multipath-tools-130222/libmultipath/blacklist.h
@@ -10,10 +10,12 @@
#define MATCH_DEVNODE_BLIST 3
#define MATCH_PROPERTY_BLIST 4
#define MATCH_PROPERTY_BLIST_MISSING 5
+#define MATCH_PROTOCOL_BLIST 6
#define MATCH_WWID_BLIST_EXCEPT -MATCH_WWID_BLIST
#define MATCH_DEVICE_BLIST_EXCEPT -MATCH_DEVICE_BLIST
#define MATCH_DEVNODE_BLIST_EXCEPT -MATCH_DEVNODE_BLIST
#define MATCH_PROPERTY_BLIST_EXCEPT -MATCH_PROPERTY_BLIST
+#define MATCH_PROTOCOL_BLIST_EXCEPT -MATCH_PROTOCOL_BLIST
struct blentry {
char * str;
@@ -36,6 +38,7 @@ int filter_wwid (vector, vector, char *)
int filter_device (vector, vector, char *, char *);
int filter_path (struct config *, struct path *);
int filter_property(struct config *, struct udev_device *);
+int filter_protocol(vector, vector, struct path *);
int store_ble (vector, char *, int);
int set_ble_device (vector, char *, char *, int);
void free_blacklist (vector);
Index: multipath-tools-130222/libmultipath/config.c
===================================================================
--- multipath-tools-130222.orig/libmultipath/config.c
+++ multipath-tools-130222/libmultipath/config.c
@@ -600,11 +600,13 @@ free_config (struct config * conf)
free_blacklist(conf->blist_devnode);
free_blacklist(conf->blist_wwid);
free_blacklist(conf->blist_property);
+ free_blacklist(conf->blist_protocol);
free_blacklist_device(conf->blist_device);
free_blacklist(conf->elist_devnode);
free_blacklist(conf->elist_wwid);
free_blacklist(conf->elist_property);
+ free_blacklist(conf->elist_protocol);
free_blacklist_device(conf->elist_device);
free_mptable(conf->mptable);
@@ -792,6 +794,13 @@ load_config (char * file, struct udev *u
goto out;
}
+ if (conf->blist_protocol == NULL) {
+ conf->blist_protocol = vector_alloc();
+
+ if (!conf->blist_protocol)
+ goto out;
+ }
+
if (conf->elist_devnode == NULL) {
conf->elist_devnode = vector_alloc();
@@ -819,6 +828,13 @@ load_config (char * file, struct udev *u
goto out;
}
+ if (conf->elist_protocol == NULL) {
+ conf->elist_protocol = vector_alloc();
+
+ if (!conf->elist_protocol)
+ goto out;
+ }
+
if (setup_default_blist(conf))
goto out;
Index: multipath-tools-130222/libmultipath/config.h
===================================================================
--- multipath-tools-130222.orig/libmultipath/config.h
+++ multipath-tools-130222/libmultipath/config.h
@@ -194,10 +194,12 @@ struct config {
vector blist_wwid;
vector blist_device;
vector blist_property;
+ vector blist_protocol;
vector elist_devnode;
vector elist_wwid;
vector elist_device;
vector elist_property;
+ vector elist_protocol;
};
struct config * conf;
Index: multipath-tools-130222/libmultipath/dict.c
===================================================================
--- multipath-tools-130222.orig/libmultipath/dict.c
+++ multipath-tools-130222/libmultipath/dict.c
@@ -1092,9 +1092,12 @@ blacklist_handler(vector strvec)
conf->blist_device = vector_alloc();
if (!conf->blist_property)
conf->blist_property = vector_alloc();
+ if (!conf->blist_protocol)
+ conf->blist_protocol = vector_alloc();
if (!conf->blist_devnode || !conf->blist_wwid ||
- !conf->blist_device || !conf->blist_property)
+ !conf->blist_device || !conf->blist_property ||
+ !conf->blist_protocol)
return 1;
return 0;
@@ -1111,9 +1114,12 @@ blacklist_exceptions_handler(vector strv
conf->elist_device = vector_alloc();
if (!conf->elist_property)
conf->elist_property = vector_alloc();
+ if (!conf->elist_protocol)
+ conf->elist_protocol = vector_alloc();
if (!conf->elist_devnode || !conf->elist_wwid ||
- !conf->elist_device || !conf->elist_property)
+ !conf->elist_device || !conf->elist_property ||
+ !conf->elist_protocol)
return 1;
return 0;
@@ -1198,6 +1204,32 @@ ble_except_property_handler(vector strve
}
static int
+ble_protocol_handler(vector strvec)
+{
+ char * buff;
+
+ buff = set_value(strvec);
+
+ if (!buff)
+ return 1;
+
+ return store_ble(conf->blist_protocol, buff, ORIGIN_CONFIG);
+}
+
+static int
+ble_except_protocol_handler(vector strvec)
+{
+ char * buff;
+
+ buff = set_value(strvec);
+
+ if (!buff)
+ return 1;
+
+ return store_ble(conf->elist_protocol, buff, ORIGIN_CONFIG);
+}
+
+static int
ble_device_handler(vector strvec)
{
return alloc_ble_device(conf->blist_device);
@@ -4021,6 +4053,7 @@ init_keywords(void)
install_keyword_multi("devnode", &ble_devnode_handler, &snprint_ble_simple);
install_keyword_multi("wwid", &ble_wwid_handler, &snprint_ble_simple);
install_keyword_multi("property", &ble_property_handler, &snprint_ble_simple);
+ install_keyword_multi("protocol", &ble_protocol_handler, &snprint_ble_simple);
install_keyword_multi("device", &ble_device_handler, NULL);
install_sublevel();
install_keyword("vendor", &ble_vendor_handler, &snprint_bled_vendor);
@@ -4030,6 +4063,7 @@ init_keywords(void)
install_keyword_multi("devnode", &ble_except_devnode_handler, &snprint_ble_simple);
install_keyword_multi("wwid", &ble_except_wwid_handler, &snprint_ble_simple);
install_keyword_multi("property", &ble_except_property_handler, &snprint_ble_simple);
+ install_keyword_multi("protocol", &ble_except_protocol_handler, &snprint_ble_simple);
install_keyword_multi("device", &ble_except_device_handler, NULL);
install_sublevel();
install_keyword("vendor", &ble_except_vendor_handler, &snprint_bled_vendor);
Index: multipath-tools-130222/libmultipath/print.c
===================================================================
--- multipath-tools-130222.orig/libmultipath/print.c
+++ multipath-tools-130222/libmultipath/print.c
@@ -607,6 +607,48 @@ snprint_path_failures(char * buff, size_
return snprint_int(buff, len, pp->failcount);
}
+/* if you add a protocol string bigger than "scsi:unspec" you must
+ * also change PROTOCOL_BUF_SIZE */
+int
+snprint_path_protocol(char * buff, size_t len, struct path * pp)
+{
+ switch (pp->bus) {
+ case SYSFS_BUS_SCSI:
+ switch (pp->sg_id.proto_id) {
+ case SCSI_PROTOCOL_FCP:
+ return snprintf(buff, len, "scsi:fcp");
+ case SCSI_PROTOCOL_SPI:
+ return snprintf(buff, len, "scsi:spi");
+ case SCSI_PROTOCOL_SSA:
+ return snprintf(buff, len, "scsi:ssa");
+ case SCSI_PROTOCOL_SBP:
+ return snprintf(buff, len, "scsi:sbp");
+ case SCSI_PROTOCOL_SRP:
+ return snprintf(buff, len, "scsi:srp");
+ case SCSI_PROTOCOL_ISCSI:
+ return snprintf(buff, len, "scsi:iscsi");
+ case SCSI_PROTOCOL_SAS:
+ return snprintf(buff, len, "scsi:sas");
+ case SCSI_PROTOCOL_ADT:
+ return snprintf(buff, len, "scsi:adt");
+ case SCSI_PROTOCOL_ATA:
+ return snprintf(buff, len, "scsi:ata");
+ case SCSI_PROTOCOL_UNSPEC:
+ default:
+ return snprintf(buff, len, "scsi:unspec");
+ }
+ case SYSFS_BUS_CCW:
+ return snprintf(buff, len, "ccw");
+ case SYSFS_BUS_CCISS:
+ return snprintf(buff, len, "cciss");
+ case SYSFS_BUS_NVME:
+ return snprintf(buff, len, "nvme");
+ case SYSFS_BUS_UNDEF:
+ default:
+ return snprintf(buff, len, "undef");
+ }
+}
+
struct multipath_data mpd[] = {
{'n', "name", 0, snprint_name},
{'w', "uuid", 0, snprint_multipath_uuid},
@@ -654,6 +696,7 @@ struct path_data pd[] = {
{'r', "target WWPN", 0, snprint_tgt_wwpn},
{'a', "host adapter", 0, snprint_host_adapter},
{'0', "failures", 0, snprint_path_failures},
+ {'P', "protocol", 0, snprint_path_protocol},
{0, NULL, 0 , NULL}
};
@@ -1435,6 +1478,19 @@ snprint_blacklist_report (char * buff, i
if ((len - fwd - threshold) <= 0)
return len;
+ fwd += snprintf(buff + fwd, len - fwd, "protocol rules:\n"
+ "- blacklist:\n");
+ if (!snprint_blacklist_group(buff, len, &fwd, &conf->blist_protocol))
+ return len;
+
+ if ((len - fwd - threshold) <= 0)
+ return len;
+ fwd += snprintf(buff + fwd, len - fwd, "- exceptions:\n");
+ if (snprint_blacklist_group(buff, len, &fwd, &conf->elist_protocol) == 0)
+ return len;
+
+ if ((len - fwd - threshold) <= 0)
+ return len;
fwd += snprintf(buff + fwd, len - fwd, "wwid rules:\n"
"- blacklist:\n");
if (snprint_blacklist_group(buff, len, &fwd, &conf->blist_wwid) == 0)
@@ -1509,6 +1565,15 @@ snprint_blacklist (char * buff, int len)
if (fwd > len)
return len;
}
+ vector_foreach_slot (conf->blist_protocol, ble, i) {
+ kw = find_keyword(rootkw->sub, "protocol");
+ if (!kw)
+ return 0;
+ fwd += snprint_keyword(buff + fwd, len - fwd, "\t%k %v\n",
+ kw, ble);
+ if (fwd > len)
+ return len;
+ }
rootkw = find_keyword(rootkw->sub, "device");
if (!rootkw)
return 0;
@@ -1582,6 +1647,15 @@ snprint_blacklist_except (char * buff, i
if (!kw)
return 0;
fwd += snprint_keyword(buff + fwd, len - fwd, "\t%k %v\n",
+ kw, ele);
+ if (fwd > len)
+ return len;
+ }
+ vector_foreach_slot (conf->elist_protocol, ele, i) {
+ kw = find_keyword(rootkw->sub, "protocol");
+ if (!kw)
+ return 0;
+ fwd += snprint_keyword(buff + fwd, len - fwd, "\t%k %v\n",
kw, ele);
if (fwd > len)
return len;
Index: multipath-tools-130222/libmultipath/print.h
===================================================================
--- multipath-tools-130222.orig/libmultipath/print.h
+++ multipath-tools-130222/libmultipath/print.h
@@ -115,6 +115,8 @@ int snprint_host_wwnn (char *, size_t, s
int snprint_host_wwpn (char *, size_t, struct path *);
int snprint_tgt_wwnn (char *, size_t, struct path *);
int snprint_tgt_wwpn (char *, size_t, struct path *);
+#define PROTOCOL_BUF_SIZE sizeof("scsi:unspec")
+int snprint_path_protocol(char *, size_t, struct path *);
void print_multipath_topology (struct multipath * mpp, int verbosity);
void print_path (struct path * pp, char * style);
Index: multipath-tools-130222/libmultipath/structs.h
===================================================================
--- multipath-tools-130222.orig/libmultipath/structs.h
+++ multipath-tools-130222/libmultipath/structs.h
@@ -57,7 +57,6 @@ enum failback_mode {
enum sysfs_buses {
SYSFS_BUS_UNDEF,
SYSFS_BUS_SCSI,
- SYSFS_BUS_IDE,
SYSFS_BUS_CCW,
SYSFS_BUS_CCISS,
SYSFS_BUS_NVME,
Index: multipath-tools-130222/libmultipath/discovery.c
===================================================================
--- multipath-tools-130222.orig/libmultipath/discovery.c
+++ multipath-tools-130222/libmultipath/discovery.c
@@ -1407,9 +1407,10 @@ pathinfo (struct path *pp, vector hwtabl
if (mask & DI_BLACKLIST && mask & DI_SYSFS) {
if (filter_device(conf->blist_device, conf->elist_device,
- pp->vendor_id, pp->product_id) > 0) {
+ pp->vendor_id, pp->product_id) > 0 ||
+ filter_protocol(conf->blist_protocol, conf->elist_protocol,
+ pp) > 0)
return PATHINFO_SKIPPED;
- }
}
path_state = path_offline(pp);
Index: multipath-tools-130222/multipath/multipath.conf.5
===================================================================
--- multipath-tools-130222.orig/multipath/multipath.conf.5
+++ multipath-tools-130222/multipath/multipath.conf.5
@@ -640,6 +640,10 @@ Regular expression of the device nodes t
.B property
Regular expresion of the udev property to be excluded.
.TP
+.B protocol
+Regular expression of the protocol to be excluded. See below for a
+list of recognized protocols
+.TP
.B device
Subsection for the device description. This subsection recognizes the
.I vendor
@@ -648,6 +652,13 @@ and
keywords. For a full description of these keywords please see the
.I devices
section description.
+.LP
+The protocol strings that multipath recognizes are \fIscsi:fcp\fR,
+\fIscsi:spi\fR, \fIscsi:ssa\fR, \fIscsi:sbp\fR, \fIscsi:srp\fR,
+\fIscsi:iscsi\fR, \fIscsi:sas\fR, \fIscsi:adt\fR, \fIscsi:ata\fR,
+\fIscsi:unspec\fR, \fIccw\fR, \fIcciss\fR, \fInvme\fR, and \fIundef\fR.
+The protocol that a path is using can be viewed by running
+\fBmultipathd show paths format "%d %P"\fR
.SH "blacklist_exceptions section"
The
.I blacklist_exceptions
@@ -667,6 +678,10 @@ The \fIWorld Wide Identification\fR of a
.B property
Regular expresion of the udev property to be whitelisted.
.TP
+.B protocol
+Regular expression of the protocol to be whitelisted. See the
+\fBblacklist section\fR for a list of recognized protocols
+.TP
.B devnode
Regular expression of the device nodes to be whitelisted.
.TP