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 v12 6/9] nvme: Export existing nvme core functions
Date: Mon, 20 Apr 2020 10:46:57 -0600 [thread overview]
Message-ID: <20200420164700.21620-7-logang@deltatee.com> (raw)
In-Reply-To: <20200420164700.21620-1-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>
Reviewed-by: Max Gurtovoy <maxg@mellanox.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
---
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 1f3ef53bb8b4..6dfc7d90ce87 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -457,7 +457,7 @@ 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);
}
@@ -890,8 +890,8 @@ 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;
@@ -976,7 +976,7 @@ 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;
@@ -3530,7 +3530,7 @@ 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;
@@ -4309,6 +4309,10 @@ 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 9195dd97b61b..76b4aa8f35e1 100644
--- a/drivers/nvme/host/nvme.h
+++ b/drivers/nvme/host/nvme.h
@@ -695,6 +695,11 @@ 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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next prev parent reply other threads:[~2020-04-20 16:47 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-20 16:46 [PATCH v12 0/9] nvmet: add target passthru commands support Logan Gunthorpe
2020-04-20 16:46 ` [PATCH v12 1/9] nvme-core: Clear any SGL flags in passthru commands Logan Gunthorpe
2020-04-20 22:26 ` Keith Busch
2020-04-20 22:34 ` Logan Gunthorpe
2020-04-20 16:46 ` [PATCH v12 2/9] nvme: Create helper function to obtain command effects Logan Gunthorpe
2020-04-20 16:46 ` [PATCH v12 3/9] nvme: Move nvme_passthru_[start|end]() calls to common helper Logan Gunthorpe
2020-04-20 16:46 ` [PATCH v12 4/9] nvmet-passthru: Introduce NVMet passthru Kconfig option Logan Gunthorpe
2020-04-21 6:48 ` Sagi Grimberg
2020-04-20 16:46 ` [PATCH v12 5/9] nvme-core: Introduce nvme_ctrl_get_by_path() Logan Gunthorpe
2020-04-20 16:46 ` Logan Gunthorpe [this message]
2020-04-20 16:46 ` [PATCH v12 7/9] nvmet-passthru: Add passthru code to process commands Logan Gunthorpe
2020-04-21 6:50 ` Sagi Grimberg
2020-04-20 16:46 ` [PATCH v12 8/9] nvmet-passthru: Add enable/disable helpers Logan Gunthorpe
2020-04-21 6:48 ` Sagi Grimberg
2020-04-20 16:47 ` [PATCH v12 9/9] nvmet-configfs: Introduce passthru configfs interface Logan Gunthorpe
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