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Index: sys/conf/files
===================================================================
--- sys/conf/files
+++ sys/conf/files
@@ -86,9 +86,9 @@
cam/ata/ata_all.c optional scbus
cam/ata/ata_xpt.c optional scbus
cam/ata/ata_pmp.c optional scbus
-cam/nvme/nvme_all.c optional scbus nvme !nvd
-cam/nvme/nvme_da.c optional scbus nvme da !nvd
-cam/nvme/nvme_xpt.c optional scbus nvme !nvd
+cam/nvme/nvme_all.c optional scbus nvme
+cam/nvme/nvme_da.c optional scbus nvme da
+cam/nvme/nvme_xpt.c optional scbus nvme
cam/scsi/scsi_xpt.c optional scbus
cam/scsi/scsi_all.c optional scbus
cam/scsi/scsi_cd.c optional cd
Index: sys/conf/files.amd64
===================================================================
--- sys/conf/files.amd64
+++ sys/conf/files.amd64
@@ -341,7 +341,7 @@
dev/nvme/nvme_ns.c optional nvme
dev/nvme/nvme_ns_cmd.c optional nvme
dev/nvme/nvme_qpair.c optional nvme
-dev/nvme/nvme_sim.c optional nvme scbus !nvd
+dev/nvme/nvme_sim.c optional nvme scbus
dev/nvme/nvme_sysctl.c optional nvme
dev/nvme/nvme_test.c optional nvme
dev/nvme/nvme_util.c optional nvme
Index: sys/dev/nvd/nvd.c
===================================================================
--- sys/dev/nvd/nvd.c
+++ sys/dev/nvd/nvd.c
@@ -41,6 +41,8 @@
#include <dev/nvme/nvme.h>
+extern int nvme_use_nvd;
+
#define NVD_STR "nvd"
struct nvd_disk;
@@ -134,6 +136,8 @@
static int
nvd_load()
{
+ if (!nvme_use_nvd)
+ return 0;
TAILQ_INIT(&ctrlr_head);
TAILQ_INIT(&disk_head);
@@ -150,6 +154,9 @@
struct nvd_controller *ctrlr;
struct nvd_disk *disk;
+ if (!nvme_use_nvd)
+ return;
+
while (!TAILQ_EMPTY(&ctrlr_head)) {
ctrlr = TAILQ_FIRST(&ctrlr_head);
TAILQ_REMOVE(&ctrlr_head, ctrlr, tailq);
Index: sys/dev/nvme/nvme_sim.c
===================================================================
--- sys/dev/nvme/nvme_sim.c
+++ sys/dev/nvme/nvme_sim.c
@@ -63,6 +63,8 @@
struct cam_path *s_path;
};
+extern int nvme_use_nvd;
+
static void
nvme_sim_nvmeio_done(void *ccb_arg, const struct nvme_completion *cpl)
{
@@ -371,6 +373,8 @@
static void
nvme_sim_init(void)
{
+ if (nvme_use_nvd)
+ return;
consumer_cookie = nvme_register_consumer(nvme_sim_new_ns,
nvme_sim_new_controller, NULL, nvme_sim_controller_fail);
@@ -382,6 +386,8 @@
static void
nvme_sim_uninit(void)
{
+ if (nvme_use_nvd)
+ return;
/* XXX Cleanup */
nvme_unregister_consumer(consumer_cookie);
Index: sys/dev/nvme/nvme_sysctl.c
===================================================================
--- sys/dev/nvme/nvme_sysctl.c
+++ sys/dev/nvme/nvme_sysctl.c
@@ -33,6 +33,12 @@
#include "nvme_private.h"
+int nvme_use_nvd = 1;
+
+SYSCTL_NODE(_hw, OID_AUTO, nvme, CTLFLAG_RD, 0, "NVME sysctl tunables");
+SYSCTL_INT(_hw_nvme, OID_AUTO, use_nvd, CTLFLAG_RDTUN,
+ &nvme_use_nvd, 1, "1 = Create NVD deviecs, 0 = Create NDA devices");
+
/*
* CTLTYPE_S64 and sysctl_handle_64 were added in r217616. Define these
* explicitly here for older kernels that don't include the r217616

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