Commit d62e9282 authored by Cunyin Chang's avatar Cunyin Chang Committed by Jim Harris
Browse files

nvme_spec: add NVMe 1.3 Virtualization structures. 



This patch add the data structures related with virtualization of
nvme 1.3 spec.

Change-Id: I8bc2ca7ce22517317b559f2445a8a5a1e30cf156
Signed-off-by: default avatarCunyin Chang <cunyin.chang@intel.com>
Reviewed-on: https://review.gerrithub.io/386357


Tested-by: default avatarSPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: default avatarDaniel Verkamp <daniel.verkamp@intel.com>
Reviewed-by: default avatarJim Harris <james.r.harris@intel.com>
parent 5a597c6f

include/spdk/nvme_spec.h

+70 −0
Original line number Diff line number Diff line
@@ -1240,6 +1240,76 @@ struct __attribute__((packed)) spdk_nvme_ctrlr_data { 
};

SPDK_STATIC_ASSERT(sizeof(struct spdk_nvme_ctrlr_data) == 4096, "Incorrect size");



struct __attribute__((packed)) spdk_nvme_primary_ctrl_capabilities {

	/**  controller id */

	uint16_t		cntlid;

	/**  port identifier */

	uint16_t		portid;

	/**  controller resource types */

	struct {

		uint8_t vq_supported	: 1;

		uint8_t vi_supported	: 1;

		uint8_t reserved	: 6;

	} crt;

	uint8_t			reserved[27];

	/** total number of VQ flexible resources */

	uint32_t		vqfrt;

	/** total number of VQ flexible resources assigned to secondary controllers */

	uint32_t		vqrfa;

	/** total number of VQ flexible resources allocated to primary controller */

	uint16_t		vqrfap;

	/** total number of VQ Private resources for the primary controller */

	uint16_t		vqprt;

	/** max number of VQ flexible Resources that may be assigned to a secondary controller */

	uint16_t		vqfrsm;

	/** preferred granularity of assigning and removing VQ Flexible Resources */

	uint16_t		vqgran;

	uint8_t			reserved1[16];

	/** total number of VI flexible resources for the primary and its secondary controllers */

	uint32_t		vifrt;

	/** total number of VI flexible resources assigned to the secondary controllers */

	uint32_t		virfa;

	/** total number of VI flexible resources currently allocated to the primary controller */

	uint16_t		virfap;

	/** total number of VI private resources for the primary controller */

	uint16_t		viprt;

	/** max number of VI flexible resources that may be assigned to a secondary controller */

	uint16_t		vifrsm;

	/** preferred granularity of assigning and removing VI flexible resources */

	uint16_t		vigran;

	uint8_t			reserved2[4016];

};

SPDK_STATIC_ASSERT(sizeof(struct spdk_nvme_primary_ctrl_capabilities) == 4096, "Incorrect size");



struct __attribute__((packed)) spdk_nvme_secondary_ctrl_entry {

	/** controller identifier of the secondary controller */

	uint16_t		scid;

	/** controller identifier of the associated primary controller */

	uint16_t		pcid;

	/** indicates the state of the secondary controller */

	struct {

		uint8_t is_online	: 1;

		uint8_t reserved	: 7;

	} scs;

	uint8_t	reserved[3];

	/** VF number if the secondary controller is an SR-IOV VF */

	uint16_t		vfn;

	/** number of VQ flexible resources assigned to the indicated secondary controller */

	uint16_t		nvq;

	/** number of VI flexible resources assigned to the indicated secondary controller */

	uint16_t		nvi;

	uint8_t			reserved1[18];

};

SPDK_STATIC_ASSERT(sizeof(struct spdk_nvme_secondary_ctrl_entry) == 32, "Incorrect size");



struct __attribute__((packed)) spdk_nvme_secondary_ctrl_list {

	/** number of Secondary controller entries in the list */

	uint8_t					number;

	uint8_t					reserved[31];

	struct spdk_nvme_secondary_ctrl_entry	entries[127];

};

SPDK_STATIC_ASSERT(sizeof(struct spdk_nvme_secondary_ctrl_list) == 4096, "Incorrect size");



struct spdk_nvme_ns_data {

	/** namespace size */

	uint64_t		nsze;