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From: Logan Gunthorpe <logang@deltatee.com>
To: linux-kernel@vger.kernel.org, linux-nvme@lists.infradead.org
Cc: Sagi Grimberg <sagi@grimberg.me>,
	Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>,
	Stephen Bates <sbates@raithlin.com>, Jens Axboe <axboe@fb.com>,
	Keith Busch <kbusch@kernel.org>, Max Gurtovoy <maxg@mellanox.com>,
	Logan Gunthorpe <logang@deltatee.com>,
	Christoph Hellwig <hch@lst.de>
Subject: [PATCH v10 6/9] nvme: Export existing nvme core functions
Date: Thu, 12 Dec 2019 16:54:15 -0700	[thread overview]
Message-ID: <20191212235418.22396-7-logang@deltatee.com> (raw)
In-Reply-To: <20191212235418.22396-1-logang@deltatee.com>

Export nvme_put_ns(), nvme_command_effects(), nvme_execute_passthru_rq()
and nvme_find_get_ns() for use in the nvmet passthru code.

The exports are conditional on CONFIG_NVME_TARGET_PASSTHRU.

Based-on-a-patch-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
---
 drivers/nvme/host/core.c | 14 +++++++++-----
 drivers/nvme/host/nvme.h |  5 +++++
 2 files changed, 14 insertions(+), 5 deletions(-)

diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index d7912e7a9911..037415882d46 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -463,7 +463,7 @@ static void nvme_free_ns(struct kref *kref)
 	kfree(ns);
 }
 
-static void nvme_put_ns(struct nvme_ns *ns)
+void nvme_put_ns(struct nvme_ns *ns)
 {
 	kref_put(&ns->kref, nvme_free_ns);
 }
@@ -896,8 +896,8 @@ static void *nvme_add_user_metadata(struct bio *bio, void __user *ubuf,
 	return ERR_PTR(ret);
 }
 
-static u32 nvme_command_effects(struct nvme_ctrl *ctrl, struct nvme_ns *ns,
-				u8 opcode)
+u32 nvme_command_effects(struct nvme_ctrl *ctrl, struct nvme_ns *ns,
+			 u8 opcode)
 {
 	u32 effects = 0;
 
@@ -982,7 +982,7 @@ static void nvme_passthru_end(struct nvme_ctrl *ctrl, u32 effects)
 		nvme_queue_scan(ctrl);
 }
 
-static void nvme_execute_passthru_rq(struct request *rq)
+void nvme_execute_passthru_rq(struct request *rq)
 {
 	struct nvme_command *cmd = nvme_req(rq)->cmd;
 	struct nvme_ctrl *ctrl = nvme_req(rq)->ctrl;
@@ -3441,7 +3441,7 @@ static int ns_cmp(void *priv, struct list_head *a, struct list_head *b)
 	return nsa->head->ns_id - nsb->head->ns_id;
 }
 
-static struct nvme_ns *nvme_find_get_ns(struct nvme_ctrl *ctrl, unsigned nsid)
+struct nvme_ns *nvme_find_get_ns(struct nvme_ctrl *ctrl, unsigned nsid)
 {
 	struct nvme_ns *ns, *ret = NULL;
 
@@ -4225,6 +4225,10 @@ EXPORT_SYMBOL_GPL(nvme_sync_queues);
  * use by the nvmet-passthru and should not be used for
  * other things.
  */
+EXPORT_SYMBOL_GPL(nvme_put_ns);
+EXPORT_SYMBOL_GPL(nvme_command_effects);
+EXPORT_SYMBOL_GPL(nvme_execute_passthru_rq);
+EXPORT_SYMBOL_GPL(nvme_find_get_ns);
 
 struct nvme_ctrl *nvme_ctrl_get_by_path(const char *path)
 {
diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h
index 356e4062796e..b1b1e7dd866b 100644
--- a/drivers/nvme/host/nvme.h
+++ b/drivers/nvme/host/nvme.h
@@ -687,6 +687,11 @@ static inline void nvme_hwmon_init(struct nvme_ctrl *ctrl) { }
  * use by the nvmet-passthru and should not be used for
  * other things.
  */
+void nvme_put_ns(struct nvme_ns *ns);
+u32 nvme_command_effects(struct nvme_ctrl *ctrl, struct nvme_ns *ns,
+			 u8 opcode);
+void nvme_execute_passthru_rq(struct request *rq);
+struct nvme_ns *nvme_find_get_ns(struct nvme_ctrl *ctrl, unsigned int nsid);
 struct nvme_ctrl *nvme_ctrl_get_by_path(const char *path);
 #endif /* CONFIG_NVME_TARGET_PASSTHRU */
 
-- 
2.20.1


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  parent reply	other threads:[~2019-12-13  1:00 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-12-12 23:54 [PATCH v10 0/9] nvmet: add target passthru commands support Logan Gunthorpe
2019-12-12 23:54 ` [PATCH v10 1/9] nvme-core: Clear any SGL flags in passthru commands Logan Gunthorpe
2019-12-12 23:54 ` [PATCH v10 2/9] nvme: Create helper function to obtain command effects Logan Gunthorpe
2019-12-12 23:54 ` [PATCH v10 3/9] nvme: Move nvme_passthru_[start|end]() calls to common helper Logan Gunthorpe
2019-12-12 23:54 ` [PATCH v10 4/9] nvmet-passthru: Introduce NVMet passthru Kconfig option Logan Gunthorpe
2019-12-12 23:54 ` [PATCH v10 5/9] nvme-core: Introduce nvme_ctrl_get_by_path() Logan Gunthorpe
2019-12-12 23:54 ` Logan Gunthorpe [this message]
2019-12-12 23:54 ` [PATCH v10 7/9] nvmet-passthru: Add passthru code to process commands Logan Gunthorpe
2019-12-12 23:54 ` [PATCH v10 8/9] nvmet-passthru: Add enable/disable helpers Logan Gunthorpe
2019-12-12 23:54 ` [PATCH v10 9/9] nvmet-configfs: Introduce passthru configfs interface Logan Gunthorpe
2020-01-08 17:40 [PATCH v10 0/9] nvmet: add target passthru commands support Logan Gunthorpe
2020-01-08 17:40 ` [PATCH v10 6/9] nvme: Export existing nvme core functions Logan Gunthorpe
2020-01-08 21:48   ` Max Gurtovoy
2020-01-08 21:50     ` Logan Gunthorpe
2020-01-08 22:06       ` Max Gurtovoy

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