052ea0baac
Added new RPC, vmd_remove_device, that allows users to remove a PCI device managed by the VMD library simulating a hot-remove. Signed-off-by: Konrad Sztyber <konrad.sztyber@intel.com> Change-Id: Ifb84818ce8d147d1d586b52590527e85fe9c10de Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/13957 Community-CI: Mellanox Build Bot Tested-by: SPDK CI Jenkins <sys_sgci@intel.com> Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com> Reviewed-by: Jim Harris <james.r.harris@intel.com> Reviewed-by: Tom Nabarro <tom.nabarro@intel.com>
100 lines
1.8 KiB
C
100 lines
1.8 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright (c) Intel Corporation.
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* All rights reserved.
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*/
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#include "spdk/stdinc.h"
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#include "spdk/json.h"
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#include "spdk/thread.h"
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#include "spdk/likely.h"
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#include "spdk/log.h"
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#include "spdk/vmd.h"
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#include "spdk_internal/init.h"
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#include "event_vmd.h"
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static struct spdk_poller *g_hotplug_poller;
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static bool g_enabled;
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void
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vmd_subsystem_enable(void)
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{
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g_enabled = true;
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}
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bool
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vmd_subsystem_is_enabled(void)
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{
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return g_enabled;
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}
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static int
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vmd_hotplug_monitor(void *ctx)
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{
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return spdk_vmd_hotplug_monitor();
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}
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static void
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vmd_subsystem_init(void)
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{
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int rc = 0;
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if (!g_enabled) {
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goto out;
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}
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rc = spdk_vmd_init();
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if (spdk_likely(rc != 0)) {
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SPDK_ERRLOG("Failed to initialize the VMD library\n");
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goto out;
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}
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assert(g_hotplug_poller == NULL);
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g_hotplug_poller = SPDK_POLLER_REGISTER(vmd_hotplug_monitor, NULL, 1000000ULL);
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if (g_hotplug_poller == NULL) {
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SPDK_ERRLOG("Failed to register hotplug monitor poller\n");
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rc = -ENOMEM;
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goto out;
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}
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out:
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spdk_subsystem_init_next(rc);
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}
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static void
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vmd_subsystem_fini(void)
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{
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spdk_poller_unregister(&g_hotplug_poller);
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spdk_vmd_fini();
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spdk_subsystem_fini_next();
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}
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static void
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vmd_write_config_json(struct spdk_json_write_ctx *w)
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{
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spdk_json_write_array_begin(w);
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if (g_enabled) {
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spdk_json_write_object_begin(w);
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spdk_json_write_named_string(w, "method", "vmd_enable");
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spdk_json_write_named_object_begin(w, "params");
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spdk_json_write_object_end(w);
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spdk_json_write_object_end(w);
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}
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spdk_json_write_array_end(w);
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}
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static struct spdk_subsystem g_spdk_subsystem_vmd = {
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.name = "vmd",
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.init = vmd_subsystem_init,
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.fini = vmd_subsystem_fini,
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.write_config_json = vmd_write_config_json,
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};
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SPDK_SUBSYSTEM_REGISTER(g_spdk_subsystem_vmd);
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