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nvmet: introduce flags member in nvmet_fabrics_ops

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Replace has_keyed_sgls and metadata_support booleans with a flags member
that will be used for adding more features in the future.

Signed-off-by: Max Gurtovoy <maxg@mellanox.com>
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Reviewed-by: Israel Rukshin <israelr@mellanox.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Max Gurtovoy 2020-06-02 16:15:46 +03:00 committed by Christoph Hellwig
parent 4e10255972
commit 6fa350f714
5 changed files with 7 additions and 7 deletions
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2
drivers/nvme/target/admin-cmd.c
View file

@ -427,7 +427,7 @@ static void nvmet_execute_identify_ctrl(struct nvmet_req *req)
id->awupf = 0;
id->sgls = cpu_to_le32(1 << 0); /* we always support SGLs */
if (ctrl->ops->has_keyed_sgls)
if (ctrl->ops->flags & NVMF_KEYED_SGLS)
id->sgls |= cpu_to_le32(1 << 2);
if (req->port->inline_data_size)
id->sgls |= cpu_to_le32(1 << 20);

2
drivers/nvme/target/core.c
View file

@ -336,7 +336,7 @@ int nvmet_enable_port(struct nvmet_port *port)
* If the user requested PI support and the transport isn't pi capable,
* don't enable the port.
*/
if (port->pi_enable && !ops->metadata_support) {
if (port->pi_enable && !(ops->flags & NVMF_METADATA_SUPPORTED)) {
pr_err("T10-PI is not supported by transport type %d\n",
port->disc_addr.trtype);
ret = -EINVAL;

2
drivers/nvme/target/discovery.c
View file

@ -277,7 +277,7 @@ static void nvmet_execute_disc_identify(struct nvmet_req *req)
id->maxcmd = cpu_to_le16(NVMET_MAX_CMD);
id->sgls = cpu_to_le32(1 << 0); /* we always support SGLs */
if (ctrl->ops->has_keyed_sgls)
if (ctrl->ops->flags & NVMF_KEYED_SGLS)
id->sgls |= cpu_to_le32(1 << 2);
if (req->port->inline_data_size)
id->sgls |= cpu_to_le32(1 << 20);

5
drivers/nvme/target/nvmet.h
View file

@ -286,8 +286,9 @@ struct nvmet_fabrics_ops {
struct module *owner;
unsigned int type;
unsigned int msdbd;
bool has_keyed_sgls : 1;
bool metadata_support : 1;
unsigned int flags;
#define NVMF_KEYED_SGLS (1 << 0)
#define NVMF_METADATA_SUPPORTED (1 << 1)
void (*queue_response)(struct nvmet_req *req);
int (*add_port)(struct nvmet_port *port);
void (*remove_port)(struct nvmet_port *port);

3
drivers/nvme/target/rdma.c
View file

@ -1970,8 +1970,7 @@ static const struct nvmet_fabrics_ops nvmet_rdma_ops = {
.owner = THIS_MODULE,
.type = NVMF_TRTYPE_RDMA,
.msdbd = 1,
.has_keyed_sgls = 1,
.metadata_support = 1,
.flags = NVMF_KEYED_SGLS | NVMF_METADATA_SUPPORTED,
.add_port = nvmet_rdma_add_port,
.remove_port = nvmet_rdma_remove_port,
.queue_response = nvmet_rdma_queue_response,