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[PATCH 12/16] nvme: add namespace helpers
From: |
Klaus Jensen |
Subject: |
[PATCH 12/16] nvme: add namespace helpers |
Date: |
Wed, 15 Apr 2020 12:24:41 +0200 |
From: Klaus Jensen <address@hidden>
Introduce some small helpers to make the next patches easier on the eye.
Signed-off-by: Klaus Jensen <address@hidden>
---
hw/block/nvme.h | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/hw/block/nvme.h b/hw/block/nvme.h
index ad1786953be9..d9900bed957c 100644
--- a/hw/block/nvme.h
+++ b/hw/block/nvme.h
@@ -67,6 +67,17 @@ typedef struct NvmeNamespace {
NvmeIdNs id_ns;
} NvmeNamespace;
+static inline NvmeLBAF *nvme_ns_lbaf(NvmeNamespace *ns)
+{
+ NvmeIdNs *id_ns = &ns->id_ns;
+ return &id_ns->lbaf[NVME_ID_NS_FLBAS_INDEX(id_ns->flbas)];
+}
+
+static inline uint8_t nvme_ns_lbads(NvmeNamespace *ns)
+{
+ return nvme_ns_lbaf(ns)->ds;
+}
+
#define TYPE_NVME "nvme"
#define NVME(obj) \
OBJECT_CHECK(NvmeCtrl, (obj), TYPE_NVME)
@@ -101,4 +112,9 @@ typedef struct NvmeCtrl {
NvmeIdCtrl id_ctrl;
} NvmeCtrl;
+static inline uint64_t nvme_ns_nlbas(NvmeCtrl *n, NvmeNamespace *ns)
+{
+ return n->ns_size >> nvme_ns_lbads(ns);
+}
+
#endif /* HW_NVME_H */
--
2.26.0
[PATCH 12/16] nvme: add namespace helpers,
Klaus Jensen <=
[PATCH 14/16] nvme: factor out pci setup, Klaus Jensen, 2020/04/15
[PATCH 15/16] nvme: factor out cmb setup, Klaus Jensen, 2020/04/15
[PATCH 16/16] nvme: factor out controller identify setup, Klaus Jensen, 2020/04/15
Re: [PATCH 00/16] nvme: refactoring and cleanups, no-reply, 2020/04/15