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[PATCH 2/4] hw/nvme: store a pointer to the NvmeSubsystem in the NvmeNam


From: Niklas Cassel
Subject: [PATCH 2/4] hw/nvme: store a pointer to the NvmeSubsystem in the NvmeNamespace
Date: Wed, 8 Jun 2022 03:28:48 +0200

Each NvmeNamespace can be used by serveral controllers,
but a NvmeNamespace can at most belong to a single NvmeSubsystem.
Store a pointer to the NvmeSubsystem, if the namespace was realized
with a NvmeSubsystem.

This will be used by a follow up patch.

Signed-off-by: Niklas Cassel <niklas.cassel@wdc.com>
---
 hw/nvme/ns.c   | 1 +
 hw/nvme/nvme.h | 1 +
 2 files changed, 2 insertions(+)

diff --git a/hw/nvme/ns.c b/hw/nvme/ns.c
index 1b9c9d1156..07759a973b 100644
--- a/hw/nvme/ns.c
+++ b/hw/nvme/ns.c
@@ -559,6 +559,7 @@ static void nvme_ns_realize(DeviceState *dev, Error **errp)
         if (!qdev_set_parent_bus(dev, &subsys->bus.parent_bus, errp)) {
             return;
         }
+        ns->subsys = subsys;
     }
 
     if (nvme_ns_setup(ns, errp)) {
diff --git a/hw/nvme/nvme.h b/hw/nvme/nvme.h
index e41771604f..32333d0c89 100644
--- a/hw/nvme/nvme.h
+++ b/hw/nvme/nvme.h
@@ -162,6 +162,7 @@ typedef struct NvmeNamespace {
     int32_t         nr_active_zones;
 
     NvmeNamespaceParams params;
+    NvmeSubsystem *subsys;
 
     struct {
         uint32_t err_rec;
-- 
2.36.1




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