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[PATCH v5 09/13] hw/block/nvme: parameterize nvme_ns_nlbas
From: |
Klaus Jensen |
Subject: |
[PATCH v5 09/13] hw/block/nvme: parameterize nvme_ns_nlbas |
Date: |
Wed, 10 Mar 2021 10:53:43 +0100 |
From: Klaus Jensen <k.jensen@samsung.com>
Provide a more flexible nlbas helper.
Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
---
hw/block/nvme-ns.h | 14 ++++++++++----
1 file changed, 10 insertions(+), 4 deletions(-)
diff --git a/hw/block/nvme-ns.h b/hw/block/nvme-ns.h
index 07e16880801d..34f9474a1cd1 100644
--- a/hw/block/nvme-ns.h
+++ b/hw/block/nvme-ns.h
@@ -136,12 +136,18 @@ static inline bool nvme_ns_ext(NvmeNamespace *ns)
}
/* calculate the number of LBAs that the namespace can accomodate */
+static inline uint64_t __nvme_nlbas(size_t size, uint8_t lbads, uint16_t ms)
+{
+ if (ms) {
+ return size / ((1 << lbads) + ms);
+ }
+
+ return size >> lbads;
+}
+
static inline uint64_t nvme_ns_nlbas(NvmeNamespace *ns)
{
- if (nvme_msize(ns)) {
- return ns->size / (nvme_lsize(ns) + nvme_msize(ns));
- }
- return ns->size >> nvme_ns_lbads(ns);
+ return __nvme_nlbas(ns->size, nvme_ns_lbads(ns), nvme_msize(ns));
}
typedef struct NvmeCtrl NvmeCtrl;
--
2.30.1
- [PATCH v5 05/13] hw/block/nvme: add non-mdts command size limit for verify, (continued)
- [PATCH v5 05/13] hw/block/nvme: add non-mdts command size limit for verify, Klaus Jensen, 2021/03/10
- [PATCH v5 06/13] hw/block/nvme: support multiple lba formats, Klaus Jensen, 2021/03/10
- [PATCH v5 07/13] hw/block/nvme: prefer runtime helpers instead of device parameters, Klaus Jensen, 2021/03/10
- [PATCH v5 03/13] hw/block/nvme: end-to-end data protection, Klaus Jensen, 2021/03/10
- [PATCH v5 12/13] hw/block/nvme: split zone check/set geometry, Klaus Jensen, 2021/03/10
- [PATCH v5 11/13] hw/block/nvme: move zoned constraints checks, Klaus Jensen, 2021/03/10
- [PATCH v5 13/13] hw/block/nvme: add support for the format nvm command, Klaus Jensen, 2021/03/10
- [PATCH v5 08/13] hw/block/nvme: pull lba format initialization, Klaus Jensen, 2021/03/10
- [PATCH v5 09/13] hw/block/nvme: parameterize nvme_ns_nlbas,
Klaus Jensen <=
- [PATCH v5 10/13] hw/block/nvme: remove invalid zone resource checks, Klaus Jensen, 2021/03/10
- Re: [PATCH v5 00/13] hw/block/nvme: metadata and end-to-end data protection support, Klaus Jensen, 2021/03/15