Commit 68c2244c authored by Ben Walker's avatar Ben Walker Committed by Tomasz Zawadzki
Browse files

nvmf: Add spdk_nvmf_ctrlr_get_regs to nvmf_transport.h 



Add a way for the transport to query the value of the controller
registers.

Change-Id: Id365ff088989f6f8e74e26ff6f3d435f35bee2f4
Signed-off-by: default avatarBen Walker <benjamin.walker@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/422


Tested-by: default avatarSPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: default avatarJacek Kalwas <jacek.kalwas@intel.com>
Reviewed-by: default avatarAleksey Marchuk <alexeymar@mellanox.com>
Reviewed-by: default avatarJim Harris <james.r.harris@intel.com>
Reviewed-by: default avatarShuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
parent e8c195b3

include/spdk/nvmf_transport.h

+15 −0
Original line number Diff line number Diff line
@@ -322,6 +322,21 @@ void spdk_nvmf_transport_register(const struct spdk_nvmf_transport_ops *ops); 


int spdk_nvmf_ctrlr_connect(struct spdk_nvmf_request *req);



/**

 * A subset of struct spdk_nvme_registers that are emulated by a fabrics device.

 */

struct spdk_nvmf_registers {

	union spdk_nvme_cap_register	cap;

	union spdk_nvme_vs_register	vs;

	union spdk_nvme_cc_register	cc;

	union spdk_nvme_csts_register	csts;

	union spdk_nvme_aqa_register	aqa;

	uint64_t			asq;

	uint64_t			acq;

};



const struct spdk_nvmf_registers *spdk_nvmf_ctrlr_get_regs(struct spdk_nvmf_ctrlr *ctrlr);



void spdk_nvmf_request_free_buffers(struct spdk_nvmf_request *req,

				    struct spdk_nvmf_transport_poll_group *group,

				    struct spdk_nvmf_transport *transport);

lib/nvmf/ctrlr.c

+6 −0
Original line number Diff line number Diff line
@@ -644,6 +644,12 @@ spdk_nvmf_ctrlr_cmd_connect(struct spdk_nvmf_request *req) 
	return _spdk_nvmf_ctrlr_connect(req);

}



const struct spdk_nvmf_registers *

spdk_nvmf_ctrlr_get_regs(struct spdk_nvmf_ctrlr *ctrlr)

{

	return &ctrlr->vcprop;

}



static uint64_t

nvmf_prop_get_cap(struct spdk_nvmf_ctrlr *ctrlr)

{

lib/nvmf/nvmf_internal.h

+1 −9
Original line number Diff line number Diff line
@@ -194,15 +194,7 @@ struct spdk_nvmf_ctrlr { 
	char				hostnqn[SPDK_NVMF_NQN_MAX_LEN + 1];

	struct spdk_nvmf_subsystem	*subsys;



	struct {

		union spdk_nvme_cap_register	cap;

		union spdk_nvme_vs_register	vs;

		union spdk_nvme_cc_register	cc;

		union spdk_nvme_csts_register	csts;

		union spdk_nvme_aqa_register	aqa;

		uint64_t			asq;

		uint64_t			acq;

	} vcprop; /* virtual controller properties */

	struct spdk_nvmf_registers	vcprop;



	struct spdk_nvmf_ctrlr_feat feat;