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device-mapper-multipath/0073-libmultipath-prepare-proto_id-for-use-by-non-scsi-de.patch
Benjamin Marzinski b1c0ea9cf1 device-mapper-multipath-0.8.7-15 
Add 0067-kpartx-hold-device-open-until-partitions-have-been-c.patch
  * Fixes bz #2141860
Add 0068-libmultipath-cleanup-remove_feature.patch
Add 0069-libmultipath-cleanup-add_feature.patch
Add 0070-multipath-tests-tests-for-adding-and-removing-featur.patch
Add 0071-libmultipath-fix-queue_mode-feature-handling.patch
Add 0072-multipath-tests-tests-for-reconcile_features_with_qu.patch
Add 0073-libmultipath-prepare-proto_id-for-use-by-non-scsi-de.patch
Add 0074-libmultipath-get-nvme-path-transport-protocol.patch
Add 0075-libmultipath-enforce-queue_mode-bio-for-nmve-tcp-pat.patch
  * Fixes bz #2033080
Resolves: bz #2033080, #2141860
2022-11-14 09:22:48 -06:00

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Benjamin Marzinski <bmarzins@redhat.com>
Date: Fri, 7 Oct 2022 12:35:42 -0500
Subject: [PATCH] libmultipath: prepare proto_id for use by non-scsi devivces
Make sure that when we are checking for a scsi protocol, we are first
checking that we are working with a scsi path.
Signed-off-by: Benjamin Marzinski <bmarzins@redhat.com>
Reviewed-by: Martin Wilck <mwilck@suse.com>
---
libmultipath/configure.c | 9 +++++----
libmultipath/discovery.c | 13 ++++++++-----
libmultipath/print.c | 6 ++++--
libmultipath/structs.c | 2 +-
libmultipath/structs.h | 4 +++-
multipathd/fpin_handlers.c | 2 +-
6 files changed, 22 insertions(+), 14 deletions(-)
diff --git a/libmultipath/configure.c b/libmultipath/configure.c
index cc778a22..c6803b40 100644
--- a/libmultipath/configure.c
+++ b/libmultipath/configure.c
@@ -223,10 +223,11 @@ int rr_optimize_path_order(struct pathgroup *pgp)
total_paths = VECTOR_SIZE(pgp->paths);
vector_foreach_slot(pgp->paths, pp, i) {
- if (pp->sg_id.proto_id != SCSI_PROTOCOL_FCP &&
- pp->sg_id.proto_id != SCSI_PROTOCOL_SAS &&
- pp->sg_id.proto_id != SCSI_PROTOCOL_ISCSI &&
- pp->sg_id.proto_id != SCSI_PROTOCOL_SRP) {
+ if (pp->bus != SYSFS_BUS_SCSI ||
+ (pp->sg_id.proto_id != SCSI_PROTOCOL_FCP &&
+ pp->sg_id.proto_id != SCSI_PROTOCOL_SAS &&
+ pp->sg_id.proto_id != SCSI_PROTOCOL_ISCSI &&
+ pp->sg_id.proto_id != SCSI_PROTOCOL_SRP)) {
/* return success as default path order
* is maintained in path group
*/
diff --git a/libmultipath/discovery.c b/libmultipath/discovery.c
index bcda8b09..7f2eb409 100644
--- a/libmultipath/discovery.c
+++ b/libmultipath/discovery.c
@@ -481,10 +481,11 @@ int sysfs_get_host_adapter_name(const struct path *pp, char *adapter_name)
proto_id = pp->sg_id.proto_id;
- if (proto_id != SCSI_PROTOCOL_FCP &&
- proto_id != SCSI_PROTOCOL_SAS &&
- proto_id != SCSI_PROTOCOL_ISCSI &&
- proto_id != SCSI_PROTOCOL_SRP) {
+ if (pp->bus != SYSFS_BUS_SCSI ||
+ (proto_id != SCSI_PROTOCOL_FCP &&
+ proto_id != SCSI_PROTOCOL_SAS &&
+ proto_id != SCSI_PROTOCOL_ISCSI &&
+ proto_id != SCSI_PROTOCOL_SRP)) {
return 1;
}
/* iscsi doesn't have adapter info in sysfs
@@ -1754,8 +1755,10 @@ sysfs_pathinfo(struct path *pp, const struct _vector *hwtable)
pp->bus = SYSFS_BUS_CCISS;
if (!strncmp(pp->dev,"dasd", 4))
pp->bus = SYSFS_BUS_CCW;
- if (!strncmp(pp->dev,"sd", 2))
+ if (!strncmp(pp->dev,"sd", 2)) {
pp->bus = SYSFS_BUS_SCSI;
+ pp->sg_id.proto_id = SCSI_PROTOCOL_UNSPEC;
+ }
if (!strncmp(pp->dev,"nvme", 4))
pp->bus = SYSFS_BUS_NVME;
diff --git a/libmultipath/print.c b/libmultipath/print.c
index 46e3d32e..082e4e30 100644
--- a/libmultipath/print.c
+++ b/libmultipath/print.c
@@ -592,7 +592,8 @@ snprint_host_attr (struct strbuf *buff, const struct path * pp, char *attr)
const char *value = NULL;
int ret;
- if (pp->sg_id.proto_id != SCSI_PROTOCOL_FCP)
+ if (pp->bus != SYSFS_BUS_SCSI ||
+ pp->sg_id.proto_id != SCSI_PROTOCOL_FCP)
return append_strbuf_str(buff, "[undef]");
sprintf(host_id, "host%d", pp->sg_id.host_no);
host_dev = udev_device_new_from_subsystem_sysname(udev, "fc_host",
@@ -631,7 +632,8 @@ snprint_tgt_wwpn (struct strbuf *buff, const struct path * pp)
const char *value = NULL;
int ret;
- if (pp->sg_id.proto_id != SCSI_PROTOCOL_FCP)
+ if (pp->bus != SYSFS_BUS_SCSI ||
+ pp->sg_id.proto_id != SCSI_PROTOCOL_FCP)
return append_strbuf_str(buff, "[undef]");
sprintf(rport_id, "rport-%d:%d-%d",
pp->sg_id.host_no, pp->sg_id.channel, pp->sg_id.transport_id);
diff --git a/libmultipath/structs.c b/libmultipath/structs.c
index 5dfa86a8..be81a83c 100644
--- a/libmultipath/structs.c
+++ b/libmultipath/structs.c
@@ -116,7 +116,7 @@ alloc_path (void)
pp->sg_id.channel = -1;
pp->sg_id.scsi_id = -1;
pp->sg_id.lun = SCSI_INVALID_LUN;
- pp->sg_id.proto_id = SCSI_PROTOCOL_UNSPEC;
+ pp->sg_id.proto_id = PROTOCOL_UNSET;
pp->fd = -1;
pp->tpgs = TPGS_UNDEF;
pp->priority = PRIO_UNDEF;
diff --git a/libmultipath/structs.h b/libmultipath/structs.h
index b4f75de0..2525af17 100644
--- a/libmultipath/structs.h
+++ b/libmultipath/structs.h
@@ -176,6 +176,8 @@ enum queue_mode_states {
QUEUE_MODE_RQ,
};
+#define PROTOCOL_UNSET -1
+
enum scsi_protocol {
SCSI_PROTOCOL_FCP = 0, /* Fibre Channel */
SCSI_PROTOCOL_SPI = 1, /* parallel SCSI */
@@ -284,7 +286,7 @@ struct sg_id {
uint64_t lun;
short h_cmd_per_lun;
short d_queue_depth;
- enum scsi_protocol proto_id;
+ int proto_id;
int transport_id;
};
diff --git a/multipathd/fpin_handlers.c b/multipathd/fpin_handlers.c
index aaf5655d..571796e7 100644
--- a/multipathd/fpin_handlers.c
+++ b/multipathd/fpin_handlers.c
@@ -219,7 +219,7 @@ static int fpin_chk_wwn_setpath_marginal(uint16_t host_num, struct vectors *ve
vector_foreach_slot(vecs->pathvec, pp, k) {
/* Checks the host number and also for the SCSI FCP */
- if (pp->sg_id.proto_id != SCSI_PROTOCOL_FCP || host_num != pp->sg_id.host_no)
+ if (pp->bus != SYSFS_BUS_SCSI || pp->sg_id.proto_id != SCSI_PROTOCOL_FCP || host_num != pp->sg_id.host_no)
continue;
sprintf(rport_id, "rport-%d:%d-%d",
pp->sg_id.host_no, pp->sg_id.channel, pp->sg_id.transport_id);
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