From: Christoph Hellwig <hch@lst.de>
Date: Sat, 20 May 2017 13:14:44 +0000 (+0200)
Subject: nvme: replace is_flags field in nvme_ctrl_ops with a flags field
X-Git-Tag: v4.12-rc3~15^2^2~2
X-Git-Url: https://git.karo-electronics.de/?p=karo-tx-linux.git;a=commitdiff_plain;h=d3d5b87ddde09bade512526f6df90e8c06c28230

nvme: replace is_flags field in nvme_ctrl_ops with a flags field

So that we can have more flags for transport-specific behavior.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Keith Busch <keith.busch@intel.com>
---

diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 04e115834702..228f7c73e2f1 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -1605,7 +1605,7 @@ int nvme_init_identify(struct nvme_ctrl *ctrl)
 	}
 	memcpy(ctrl->psd, id->psd, sizeof(ctrl->psd));
 
-	if (ctrl->ops->is_fabrics) {
+	if (ctrl->ops->flags & NVME_F_FABRICS) {
 		ctrl->icdoff = le16_to_cpu(id->icdoff);
 		ctrl->ioccsz = le32_to_cpu(id->ioccsz);
 		ctrl->iorcsz = le32_to_cpu(id->iorcsz);
diff --git a/drivers/nvme/host/fc.c b/drivers/nvme/host/fc.c
index 14a009e43aa5..5b14cbefb724 100644
--- a/drivers/nvme/host/fc.c
+++ b/drivers/nvme/host/fc.c
@@ -2647,7 +2647,7 @@ nvme_fc_reset_nvme_ctrl(struct nvme_ctrl *nctrl)
 static const struct nvme_ctrl_ops nvme_fc_ctrl_ops = {
 	.name			= "fc",
 	.module			= THIS_MODULE,
-	.is_fabrics		= true,
+	.flags			= NVME_F_FABRICS,
 	.reg_read32		= nvmf_reg_read32,
 	.reg_read64		= nvmf_reg_read64,
 	.reg_write32		= nvmf_reg_write32,
diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h
index 29c708ca9621..7c4b0f6636c5 100644
--- a/drivers/nvme/host/nvme.h
+++ b/drivers/nvme/host/nvme.h
@@ -208,7 +208,8 @@ struct nvme_ns {
 struct nvme_ctrl_ops {
 	const char *name;
 	struct module *module;
-	bool is_fabrics;
+	unsigned int flags;
+#define NVME_F_FABRICS			(1 << 0)
 	int (*reg_read32)(struct nvme_ctrl *ctrl, u32 off, u32 *val);
 	int (*reg_write32)(struct nvme_ctrl *ctrl, u32 off, u32 val);
 	int (*reg_read64)(struct nvme_ctrl *ctrl, u32 off, u64 *val);
diff --git a/drivers/nvme/host/rdma.c b/drivers/nvme/host/rdma.c
index e2c18f3d9dcf..28bd255c144d 100644
--- a/drivers/nvme/host/rdma.c
+++ b/drivers/nvme/host/rdma.c
@@ -1792,7 +1792,7 @@ static int nvme_rdma_reset_ctrl(struct nvme_ctrl *nctrl)
 static const struct nvme_ctrl_ops nvme_rdma_ctrl_ops = {
 	.name			= "rdma",
 	.module			= THIS_MODULE,
-	.is_fabrics		= true,
+	.flags			= NVME_F_FABRICS,
 	.reg_read32		= nvmf_reg_read32,
 	.reg_read64		= nvmf_reg_read64,
 	.reg_write32		= nvmf_reg_write32,
diff --git a/drivers/nvme/target/loop.c b/drivers/nvme/target/loop.c
index feb497134aee..e503cfff0337 100644
--- a/drivers/nvme/target/loop.c
+++ b/drivers/nvme/target/loop.c
@@ -558,7 +558,7 @@ static int nvme_loop_reset_ctrl(struct nvme_ctrl *nctrl)
 static const struct nvme_ctrl_ops nvme_loop_ctrl_ops = {
 	.name			= "loop",
 	.module			= THIS_MODULE,
-	.is_fabrics		= true,
+	.flags			= NVME_F_FABRICS,
 	.reg_read32		= nvmf_reg_read32,
 	.reg_read64		= nvmf_reg_read64,
 	.reg_write32		= nvmf_reg_write32,