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lib/nvmf: Check if I/O qpair is on the same listener as admin qpair

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We will have ANA state per listener and per subsystem. On the other hand,
NVMe specification defines ANA state per controller.

However, it is possible that I/O qpair and admin qpair are different
listeners on a single controller.

Let's check if I/O qpair is on the same listener as admin qpair if
ANA reporting is enabled.

The case that I/O qpair is on a different listener from admin qpair
is not usual and so the purpose of this check is just to guard SPDK
from any unexpected behavior.

Signed-off-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Change-Id: Idb8d255de7f998e45a59a120c2ed5803258873f4
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/4026
Community-CI: Mellanox Build Bot
Community-CI: Broadcom CI
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Aleksey Marchuk <alexeymar@mellanox.com>
This commit is contained in:
Shuhei Matsumoto 2020-09-02 06:50:24 +09:00 committed by Tomasz Zawadzki
parent 7bcff376ab
commit 5b27db6268
1 changed files with 12 additions and 0 deletions
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12
lib/nvmf/ctrlr.c
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@ -512,6 +512,7 @@ _nvmf_ctrlr_add_io_qpair(void *ctx)
struct spdk_nvmf_qpair *admin_qpair;
struct spdk_nvmf_tgt *tgt = qpair->transport->tgt;
struct spdk_nvmf_subsystem *subsystem;
const struct spdk_nvmf_subsystem_listener *listener;
SPDK_DEBUGLOG(SPDK_LOG_NVMF, "Connect I/O Queue for controller id 0x%x\n", data->cntlid);
@ -535,6 +536,17 @@ _nvmf_ctrlr_add_io_qpair(void *ctx)
return;
}
/* If ANA reporting is enabled, check if I/O connect is on the same listener. */
if (subsystem->ana_reporting) {
listener = nvmf_subsystem_find_listener(subsystem, qpair->trid);
if (listener != ctrlr->listener) {
SPDK_ERRLOG("I/O connect is on a listener different from admin connect\n");
SPDK_NVMF_INVALID_CONNECT_CMD(rsp, qid);
spdk_nvmf_request_complete(req);
return;
}
}
admin_qpair = ctrlr->admin_qpair;
qpair->ctrlr = ctrlr;
spdk_thread_send_msg(admin_qpair->group->thread, nvmf_ctrlr_add_io_qpair, req);