When a scsi path device is set to marginal, it updates the rport state. Do this for NVMe devices as well. Fixes: 1cada778 ("multipathd: Added support to handle FPIN-Li events for FC-NVMe") Signed-off-by: Benjamin Marzinski <bmarzins@xxxxxxxxxx> --- multipathd/fpin_handlers.c | 74 ++++++++++++++++++++++++++++++++++---- 1 file changed, 68 insertions(+), 6 deletions(-) diff --git a/multipathd/fpin_handlers.c b/multipathd/fpin_handlers.c index 6b56f9b7..8b436067 100644 --- a/multipathd/fpin_handlers.c +++ b/multipathd/fpin_handlers.c @@ -15,6 +15,7 @@ #include "debug.h" #include "util.h" #include "sysfs.h" +#include "discovery.h" #include "fpin.h" #include "devmapper.h" @@ -253,7 +254,7 @@ static int extract_nvme_addresses_chk_path_pwwn(const char *address, * with the els wwpn ,attached_wwpn and sets the path state to * Marginal */ -static void fpin_check_set_nvme_path_marginal(uint16_t host_num, struct path *pp, +static bool fpin_check_set_nvme_path_marginal(uint16_t host_num, struct path *pp, uint64_t els_wwpn, uint64_t attached_wwpn) { struct udev_device *ctl = NULL; @@ -263,21 +264,79 @@ static void fpin_check_set_nvme_path_marginal(uint16_t host_num, struct path *pp ctl = udev_device_get_parent_with_subsystem_devtype(pp->udev, "nvme", NULL); if (ctl == NULL) { condlog(2, "%s: No parent device for ", pp->dev); - return; + return false; } address = udev_device_get_sysattr_value(ctl, "address"); if (!address) { condlog(2, "%s: unable to get the address ", pp->dev); - return; + return false; } condlog(4, "\n address %s: dev :%s\n", address, pp->dev); ret = extract_nvme_addresses_chk_path_pwwn(address, els_wwpn, attached_wwpn); if (ret <= 0) - return; + return false; ret = fpin_add_marginal_dev_info(host_num, pp->dev); if (ret < 0) - return; + return false; fpin_path_setmarginal(pp); + return true; +} + +static void fpin_nvme_set_rport_marginal(uint16_t host_num, uint64_t els_wwpn) +{ + struct udev_enumerate *udev_enum = NULL; + struct udev_list_entry *entry; + + pthread_cleanup_push(cleanup_udev_enumerate_ptr, &udev_enum); + udev_enum = udev_enumerate_new(udev); + if (!udev_enum) { + condlog(0, "fpin: rport udev_enumerate_new() failed: %m"); + goto out; + } + if (udev_enumerate_add_match_subsystem(udev_enum, "fc_remote_ports") < 0 || + udev_enumerate_add_match_is_initialized(udev_enum) < 0 || + udev_enumerate_scan_devices(udev_enum) < 0) { + condlog(0, "fpin: error setting up rport enumeration: %m"); + goto out; + } + udev_list_entry_foreach(entry, + udev_enumerate_get_list_entry(udev_enum)) { + const char *devpath; + const char *rport_id, *value; + struct udev_device *rport_dev = NULL; + uint16_t rport_hostnum; + uint64_t rport_wwpn; + unsigned int unused; + + pthread_cleanup_push(cleanup_udev_device_ptr, &rport_dev); + devpath = udev_list_entry_get_name(entry); + if (!devpath) + goto next; + rport_id = libmp_basename(devpath); + if (sscanf(rport_id, "rport-%hu:%u-%u", &rport_hostnum, &unused, + &unused) != 3 || rport_hostnum != host_num) + goto next; + + rport_dev = udev_device_new_from_syspath(udev, devpath); + if (!rport_dev) { + condlog(0, "%s: error getting rport dev: %m", rport_id); + goto next; + } + value = udev_device_get_sysattr_value(rport_dev, "port_name"); + if (!value) { + condlog(0, "%s: error getting port_name: %m", rport_id); + goto next; + } + + rport_wwpn = strtol(value, NULL, 16); + /* If the rport wwpn matches, set the port state to marginal */ + if (rport_wwpn == els_wwpn) + fpin_set_rport_marginal(rport_dev); +next: + pthread_cleanup_pop(1); + } +out: + pthread_cleanup_pop(1); } /* @@ -338,6 +397,7 @@ static int fpin_chk_wwn_setpath_marginal(uint16_t host_num, struct vectors *ve struct multipath *mpp; int i, k; int ret = 0; + bool found_nvme = false; pthread_cleanup_push(cleanup_lock, &vecs->lock); lock(&vecs->lock); @@ -348,7 +408,7 @@ static int fpin_chk_wwn_setpath_marginal(uint16_t host_num, struct vectors *ve continue; /*checks if the bus type is nvme and the protocol is FC-NVMe*/ if ((pp->bus == SYSFS_BUS_NVME) && (pp->sg_id.proto_id == NVME_PROTOCOL_FC)) { - fpin_check_set_nvme_path_marginal(host_num, pp, els_wwpn, attached_wwpn); + found_nvme = fpin_check_set_nvme_path_marginal(host_num, pp, els_wwpn, attached_wwpn) || found_nvme; } else if ((pp->bus == SYSFS_BUS_SCSI) && (pp->sg_id.proto_id == SCSI_PROTOCOL_FCP) && (host_num == pp->sg_id.host_no)) { @@ -356,6 +416,8 @@ static int fpin_chk_wwn_setpath_marginal(uint16_t host_num, struct vectors *ve fpin_check_set_scsi_path_marginal(host_num, pp, els_wwpn); } } + if (found_nvme) + fpin_nvme_set_rport_marginal(host_num, els_wwpn); /* walk backwards because reload_and_sync_map() can remove mpp */ vector_foreach_slot_backwards(vecs->mpvec, mpp, i) { if (mpp->fpin_must_reload) { -- 2.46.2