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Mon, 19 Apr 2021 15:28:15 -0400 (EDT) From: Klaus Jensen To: qemu-devel@nongnu.org Subject: [PATCH 10/14] hw/block/nvme: streamline namespace array indexing Date: Mon, 19 Apr 2021 21:27:57 +0200 Message-Id: <20210419192801.62255-11-its@irrelevant.dk> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210419192801.62255-1-its@irrelevant.dk> References: <20210419192801.62255-1-its@irrelevant.dk> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=64.147.123.21; envelope-from=its@irrelevant.dk; helo=wout5-smtp.messagingengine.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kevin Wolf , qemu-block@nongnu.org, Klaus Jensen , Max Reitz , Keith Busch , Klaus Jensen Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Klaus Jensen Streamline namespace array indexing such that both the subsystem and controller namespaces arrays are 1-indexed. Signed-off-by: Klaus Jensen --- hw/block/nvme.h | 4 ++-- hw/block/nvme.c | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/hw/block/nvme.h b/hw/block/nvme.h index 9349d1c33ad7..ac3f0a886735 100644 --- a/hw/block/nvme.h +++ b/hw/block/nvme.h @@ -438,7 +438,7 @@ typedef struct NvmeCtrl { NvmeSubsystem *subsys; NvmeNamespace namespace; - NvmeNamespace *namespaces[NVME_MAX_NAMESPACES]; + NvmeNamespace *namespaces[NVME_MAX_NAMESPACES + 1]; NvmeSQueue **sq; NvmeCQueue **cq; NvmeSQueue admin_sq; @@ -460,7 +460,7 @@ static inline NvmeNamespace *nvme_ns(NvmeCtrl *n, uint32_t nsid) return NULL; } - return n->namespaces[nsid - 1]; + return n->namespaces[nsid]; } static inline NvmeCQueue *nvme_cq(NvmeRequest *req) diff --git a/hw/block/nvme.c b/hw/block/nvme.c index b0a6c1457a88..0b96936129d6 100644 --- a/hw/block/nvme.c +++ b/hw/block/nvme.c @@ -4978,7 +4978,7 @@ static uint16_t nvme_ns_attachment(NvmeCtrl *n, NvmeRequest *req) return NVME_NS_NOT_ATTACHED | NVME_DNR; } - ctrl->namespaces[nsid - 1] = NULL; + ctrl->namespaces[nsid] = NULL; ns->attached--; nvme_update_dmrsl(ctrl); @@ -6151,7 +6151,7 @@ void nvme_attach_ns(NvmeCtrl *n, NvmeNamespace *ns) uint32_t nsid = ns->params.nsid; assert(nsid && nsid <= NVME_MAX_NAMESPACES); - n->namespaces[nsid - 1] = ns; + n->namespaces[nsid] = ns; ns->attached++; n->dmrsl = MIN_NON_ZERO(n->dmrsl, -- 2.31.1