From: "Javier González" <jg@lightnvm.io>
To: mb@lightnvm.io
Cc: linux-block@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-nvme@lists.infradead.org,
"Javier González" <javier@cnexlabs.com>
Subject: [PATCH 05/19] lightnvm: complete geo structure with maxoc*
Date: Mon, 26 Feb 2018 14:17:04 +0100 [thread overview]
Message-ID: <1519651038-16845-6-git-send-email-javier@cnexlabs.com> (raw)
In-Reply-To: <1519651038-16845-1-git-send-email-javier@cnexlabs.com>
Complete the generic geometry structure with the maxoc and maxocpu
felds, present in the 2.0 spec.
Signed-off-by: Javier González <javier@cnexlabs.com>
---
drivers/nvme/host/lightnvm.c | 9 +++++++++
include/linux/lightnvm.h | 2 ++
2 files changed, 11 insertions(+)
diff --git a/drivers/nvme/host/lightnvm.c b/drivers/nvme/host/lightnvm.c
index a48950a37b8d..a8f35e8b7953 100644
--- a/drivers/nvme/host/lightnvm.c
+++ b/drivers/nvme/host/lightnvm.c
@@ -323,6 +323,13 @@ static int nvme_nvm_setup_12(struct nvme_nvm_id12 *id,
dev_geo->c.ws_opt = sec_per_pg;
dev_geo->c.mw_cunits = 8; /* default to MLC safe values */
+ /* Do not impose values for maximum number of open blocks as it is
+ * unspecified in 1.2. Users of 1.2 must be aware of this and eventually
+ * specify these values through a quirk if restrictions apply.
+ */
+ dev_geo->c.maxoc = dev_geo->all_luns * dev_geo->c.num_chk;
+ dev_geo->c.maxocpu = dev_geo->c.num_chk;
+
dev_geo->c.cap = le32_to_cpu(src->mccap);
dev_geo->c.trdt = le32_to_cpu(src->trdt);
@@ -413,6 +420,8 @@ static int nvme_nvm_setup_20(struct nvme_nvm_id20 *id,
dev_geo->c.ws_min = le32_to_cpu(id->ws_min);
dev_geo->c.ws_opt = le32_to_cpu(id->ws_opt);
dev_geo->c.mw_cunits = le32_to_cpu(id->mw_cunits);
+ dev_geo->c.maxoc = le32_to_cpu(id->maxoc);
+ dev_geo->c.maxocpu = le32_to_cpu(id->maxocpu);
dev_geo->c.cap = le32_to_cpu(id->mccap);
diff --git a/include/linux/lightnvm.h b/include/linux/lightnvm.h
index 57d00644a1c6..e8e6bfd4d0d4 100644
--- a/include/linux/lightnvm.h
+++ b/include/linux/lightnvm.h
@@ -280,6 +280,8 @@ struct nvm_common_geo {
u32 ws_min; /* minimum write size */
u32 ws_opt; /* optimal write size */
u32 mw_cunits; /* distance required for successful read */
+ u32 maxoc; /* maximum open chunks */
+ u32 maxocpu; /* maximum open chunks per parallel unit */
/* device capabilities. Note that this represents capabilities in 1.2
* and media and controller capabilities in 2.0
--
2.7.4
next prev parent reply other threads:[~2018-02-26 13:23 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-26 13:16 [PATCH V3 00/19] lightnvm: pblk: implement 2.0 support Javier González
2018-02-26 13:17 ` [PATCH 01/19] lightnvm: simplify geometry structure Javier González
2018-02-26 13:17 ` [PATCH 02/19] lightnvm: add controller capabilities to 2.0 Javier González
2018-02-26 13:17 ` [PATCH 03/19] lightnvm: add minor version to generic geometry Javier González
2018-02-26 13:17 ` [PATCH 04/19] lightnvm: add shorten OCSSD version in geo Javier González
2018-02-26 13:17 ` Javier González [this message]
2018-02-26 13:17 ` [PATCH 06/19] lightnvm: pblk: check for supported version Javier González
2018-02-26 13:17 ` [PATCH 07/19] lightnvm: complete 2.0 values in sysfs Javier González
2018-02-26 13:17 ` [PATCH 08/19] lightnvm: rename number of channels and luns Javier González
2018-02-26 13:17 ` [PATCH 09/19] lightnvm: rename sect_* to sec_* Javier González
2018-02-26 13:17 ` [PATCH 10/19] lightnvm: add support for 2.0 address format Javier González
2018-02-26 13:17 ` [PATCH 11/19] lightnvm: pblk: rename ppaf* to addrf* Javier González
2018-02-26 13:17 ` [PATCH 12/19] lightnvn: pblk: use generic address format Javier González
2018-02-26 13:17 ` [PATCH 13/19] lightnvm: make address conversions depend on generic device Javier González
2018-02-26 13:17 ` [PATCH 14/19] nvme: make nvme_get_log_ext available Javier González
2018-02-26 13:17 ` [PATCH 15/19] lightnvm: implement get log report chunk helpers Javier González
2018-02-26 13:17 ` [PATCH 16/19] lightnvm: define chunk states Javier González
2018-02-26 13:17 ` [PATCH 17/19] lightnvm: pblk: implement get log report chunk Javier González
2018-02-26 19:04 ` Matias Bjørling
2018-02-27 14:40 ` Javier González
2018-02-27 18:46 ` Matias Bjørling
2018-02-27 19:50 ` Javier González
2018-02-26 13:17 ` [PATCH 18/19] lightnvm: pblk: refactor init/exit sequences Javier González
2018-02-26 13:17 ` [PATCH 19/19] lightnvm: pblk: implement 2.0 support Javier González
2018-02-26 18:19 ` [PATCH V3 00/19] " Matias Bjørling
2018-02-26 18:21 ` Javier Gonzalez
2018-02-26 18:24 ` Matias Bjørling
2018-02-26 18:27 ` Javier Gonzalez
2018-02-26 18:33 ` Matias Bjørling
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