scsi: lpfc: vmid: Add datastructure for supporting VMID in lpfc (02169e84) · Commits · EulixOS / Software / Kernel

drivers/scsi/lpfc/lpfc.h

+122 −0

Original line number	Original line	Diff line number	Diff line
	@@ -304,6 +304,64 @@ struct lpfc_stats {
	struct lpfc_hba;		struct lpfc_hba;


			#define LPFC_VMID_TIMER 300 /* timer interval in seconds */

			#define LPFC_MAX_VMID_SIZE 256
			#define LPFC_COMPRESS_VMID_SIZE 16

			union lpfc_vmid_io_tag {
			u32 app_id; /* App Id vmid */
			u8 cs_ctl_vmid; /* Priority tag vmid */
			};

			#define JIFFIES_PER_HR (HZ * 60 * 60)

			struct lpfc_vmid {
			u8 flag;
			#define LPFC_VMID_SLOT_FREE 0x0
			#define LPFC_VMID_SLOT_USED 0x1
			#define LPFC_VMID_REQ_REGISTER 0x2
			#define LPFC_VMID_REGISTERED 0x4
			#define LPFC_VMID_DE_REGISTER 0x8
			char host_vmid[LPFC_MAX_VMID_SIZE];
			union lpfc_vmid_io_tag un;
			struct hlist_node hnode;
			u64 io_rd_cnt;
			u64 io_wr_cnt;
			u8 vmid_len;
			u8 delete_inactive; /* Delete if inactive flag 0 = no, 1 = yes */
			u32 hash_index;
			u64 __percpu *last_io_time;
			};

			#define lpfc_vmid_is_type_priority_tag(vport)\
			(vport->vmid_priority_tagging ? 1 : 0)

			#define LPFC_VMID_HASH_SIZE 256
			#define LPFC_VMID_HASH_MASK 255
			#define LPFC_VMID_HASH_SHIFT 6

			struct lpfc_vmid_context {
			struct lpfc_vmid *vmp;
			struct lpfc_nodelist *nlp;
			bool instantiated;
			};

			struct lpfc_vmid_priority_range {
			u8 low;
			u8 high;
			u8 qos;
			};

			struct lpfc_vmid_priority_info {
			u32 num_descriptors;
			struct lpfc_vmid_priority_range *vmid_range;
			};

			#define QFPA_EVEN_ONLY 0x01
			#define QFPA_ODD_ONLY 0x02
			#define QFPA_EVEN_ODD 0x03

	enum discovery_state {		enum discovery_state {
	LPFC_VPORT_UNKNOWN = 0, /* vport state is unknown */		LPFC_VPORT_UNKNOWN = 0, /* vport state is unknown */
	LPFC_VPORT_FAILED = 1, /* vport has failed */		LPFC_VPORT_FAILED = 1, /* vport has failed */
	@@ -443,6 +501,9 @@ struct lpfc_vport {
	#define WORKER_RAMP_DOWN_QUEUE 0x800 /* hba: Decrease Q depth */		#define WORKER_RAMP_DOWN_QUEUE 0x800 /* hba: Decrease Q depth */
	#define WORKER_RAMP_UP_QUEUE 0x1000 /* hba: Increase Q depth */		#define WORKER_RAMP_UP_QUEUE 0x1000 /* hba: Increase Q depth */
	#define WORKER_SERVICE_TXQ 0x2000 /* hba: IOCBs on the txq */		#define WORKER_SERVICE_TXQ 0x2000 /* hba: IOCBs on the txq */
			#define WORKER_CHECK_INACTIVE_VMID 0x4000 /* hba: check inactive vmids */
			#define WORKER_CHECK_VMID_ISSUE_QFPA 0x8000 /* vport: Check if qfpa needs
			* to be issued */

	struct timer_list els_tmofunc;		struct timer_list els_tmofunc;
	struct timer_list delayed_disc_tmo;		struct timer_list delayed_disc_tmo;
	@@ -453,6 +514,8 @@ struct lpfc_vport {
	#define FC_LOADING 0x1 /* HBA in process of loading drvr */		#define FC_LOADING 0x1 /* HBA in process of loading drvr */
	#define FC_UNLOADING 0x2 /* HBA in process of unloading drvr */		#define FC_UNLOADING 0x2 /* HBA in process of unloading drvr */
	#define FC_ALLOW_FDMI 0x4 /* port is ready for FDMI requests */		#define FC_ALLOW_FDMI 0x4 /* port is ready for FDMI requests */
			#define FC_ALLOW_VMID 0x8 /* Allow VMID I/Os */
			#define FC_DEREGISTER_ALL_APP_ID 0x10 /* Deregister all VMIDs */
	/* Vport Config Parameters */		/* Vport Config Parameters */
	uint32_t cfg_scan_down;		uint32_t cfg_scan_down;
	uint32_t cfg_lun_queue_depth;		uint32_t cfg_lun_queue_depth;
	@@ -471,9 +534,36 @@ struct lpfc_vport {
	uint32_t cfg_tgt_queue_depth;		uint32_t cfg_tgt_queue_depth;
	uint32_t cfg_first_burst_size;		uint32_t cfg_first_burst_size;
	uint32_t dev_loss_tmo_changed;		uint32_t dev_loss_tmo_changed;
			/* VMID parameters */
			u8 lpfc_vmid_host_uuid[LPFC_COMPRESS_VMID_SIZE];
			u32 max_vmid; /* maximum VMIDs allowed per port */
			u32 cur_vmid_cnt; /* Current VMID count */
			#define LPFC_MIN_VMID 4
			#define LPFC_MAX_VMID 255
			u32 vmid_inactivity_timeout; /* Time after which the VMID */
			/* deregisters from switch */
			u32 vmid_priority_tagging;
			#define LPFC_VMID_PRIO_TAG_DISABLE 0 /* Disable */
			#define LPFC_VMID_PRIO_TAG_SUP_TARGETS 1 /* Allow supported targets only */
			#define LPFC_VMID_PRIO_TAG_ALL_TARGETS 2 /* Allow all targets */
			unsigned long *vmid_priority_range;
			#define LPFC_VMID_MAX_PRIORITY_RANGE 256
			#define LPFC_VMID_PRIORITY_BITMAP_SIZE 32
			u8 vmid_flag;
			#define LPFC_VMID_IN_USE 0x1
			#define LPFC_VMID_ISSUE_QFPA 0x2
			#define LPFC_VMID_QFPA_CMPL 0x4
			#define LPFC_VMID_QOS_ENABLED 0x8
			#define LPFC_VMID_TIMER_ENBLD 0x10
			struct fc_qfpa_res *qfpa_res;

	struct fc_vport *fc_vport;		struct fc_vport *fc_vport;

			struct lpfc_vmid *vmid;
			DECLARE_HASHTABLE(hash_table, 8);
			rwlock_t vmid_lock;
			struct lpfc_vmid_priority_info vmid_priority;

	#ifdef CONFIG_SCSI_LPFC_DEBUG_FS		#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
	struct dentry *debug_disc_trc;		struct dentry *debug_disc_trc;
	struct dentry *debug_nodelist;		struct dentry *debug_nodelist;
	@@ -940,6 +1030,13 @@ struct lpfc_hba {
	struct nvmet_fc_target_port *targetport;		struct nvmet_fc_target_port *targetport;
	lpfc_vpd_t vpd; /* vital product data */		lpfc_vpd_t vpd; /* vital product data */

			u32 cfg_max_vmid; /* maximum VMIDs allowed per port */
			u32 cfg_vmid_app_header;
			#define LPFC_VMID_APP_HEADER_DISABLE 0
			#define LPFC_VMID_APP_HEADER_ENABLE 1
			u32 cfg_vmid_priority_tagging;
			u32 cfg_vmid_inactivity_timeout; /* Time after which the VMID */
			/* deregisters from switch */
	struct pci_dev *pcidev;		struct pci_dev *pcidev;
	struct list_head work_list;		struct list_head work_list;
	uint32_t work_ha; /* Host Attention Bits for WT */		uint32_t work_ha; /* Host Attention Bits for WT */
	@@ -1180,6 +1277,7 @@ struct lpfc_hba {
	struct list_head ct_ev_waiters;		struct list_head ct_ev_waiters;
	struct unsol_rcv_ct_ctx ct_ctx[LPFC_CT_CTX_MAX];		struct unsol_rcv_ct_ctx ct_ctx[LPFC_CT_CTX_MAX];
	uint32_t ctx_idx;		uint32_t ctx_idx;
			struct timer_list inactive_vmid_poll;

	/* RAS Support */		/* RAS Support */
	struct lpfc_ras_fwlog ras_fwlog;		struct lpfc_ras_fwlog ras_fwlog;
	@@ -1421,3 +1519,27 @@ static const char *routine(enum enum_name table_key) \
	} \		} \
	return name; \		return name; \
	}		}

			/**
			* lpfc_is_vmid_enabled - returns if VMID is enabled for either switch types
			* @phba: Pointer to HBA context object.
			*
			* Relationship between the enable, target support and if vmid tag is required
			* for the particular combination
			* ---------------------------------------------------
			* Switch Enable Flag Target Support VMID Needed
			* ---------------------------------------------------
			* App Id 0 NA N
			* App Id 1 0 N
			* App Id 1 1 Y
			* Pr Tag 0 NA N
			* Pr Tag 1 0 N
			* Pr Tag 1 1 Y
			* Pr Tag 2 * Y
			---------------------------------------------------
			*
			**/
			static inline int lpfc_is_vmid_enabled(struct lpfc_hba *phba)
			{
			return phba->cfg_vmid_app_header \|\| phba->cfg_vmid_priority_tagging;
			}

drivers/scsi/lpfc/lpfc_crtn.h

+11 −0

Original line number	Original line	Diff line number	Diff line
	@@ -608,3 +608,14 @@ extern unsigned long lpfc_no_hba_reset[];
	extern union lpfc_wqe128 lpfc_iread_cmd_template;		extern union lpfc_wqe128 lpfc_iread_cmd_template;
	extern union lpfc_wqe128 lpfc_iwrite_cmd_template;		extern union lpfc_wqe128 lpfc_iwrite_cmd_template;
	extern union lpfc_wqe128 lpfc_icmnd_cmd_template;		extern union lpfc_wqe128 lpfc_icmnd_cmd_template;

			/* vmid interface */
			int lpfc_vmid_uvem(struct lpfc_vport vport, struct lpfc_vmid vmid, bool ins);
			uint32_t lpfc_vmid_get_cs_ctl(struct lpfc_vport *vport);
			int lpfc_vmid_cmd(struct lpfc_vport *vport,
			int cmdcode, struct lpfc_vmid *vmid);
			int lpfc_vmid_hash_fn(const char *vmid, int len);
			struct lpfc_vmid lpfc_get_vmid_from_hashtable(struct lpfc_vport vport,
			uint32_t hash, uint8_t *buf);
			void lpfc_vmid_vport_cleanup(struct lpfc_vport *vport);
			int lpfc_issue_els_qfpa(struct lpfc_vport *vport);

drivers/scsi/lpfc/lpfc_disc.h

+1 −0

Original line number	Original line	Diff line number	Diff line
	@@ -125,6 +125,7 @@ struct lpfc_nodelist {
	uint8_t nlp_fcp_info; /* class info, bits 0-3 */		uint8_t nlp_fcp_info; /* class info, bits 0-3 */
	#define NLP_FCP_2_DEVICE 0x10 /* FCP-2 device */		#define NLP_FCP_2_DEVICE 0x10 /* FCP-2 device */
	u8 nlp_nvme_info; /* NVME NSLER Support */		u8 nlp_nvme_info; /* NVME NSLER Support */
			uint8_t vmid_support; /* destination VMID support */
	#define NLP_NVME_NSLER 0x1 /* NVME NSLER device */		#define NLP_NVME_NSLER 0x1 /* NVME NSLER device */

	struct timer_list nlp_delayfunc; /* Used for delayed ELS cmds */		struct timer_list nlp_delayfunc; /* Used for delayed ELS cmds */

drivers/scsi/lpfc/lpfc_hw.h

+120 −4

Original line number	Original line	Diff line number	Diff line
	@@ -275,6 +275,7 @@ struct lpfc_sli_ct_request {
	#define SLI_CT_ACCESS_DENIED 0x10		#define SLI_CT_ACCESS_DENIED 0x10
	#define SLI_CT_INVALID_PORT_ID 0x11		#define SLI_CT_INVALID_PORT_ID 0x11
	#define SLI_CT_DATABASE_EMPTY 0x12		#define SLI_CT_DATABASE_EMPTY 0x12
			#define SLI_CT_APP_ID_NOT_AVAILABLE 0x40

	/*		/*
	* Name Server Command Codes		* Name Server Command Codes
	@@ -400,16 +401,16 @@ struct csp {
	uint16_t altBbCredit:1; /* FC Word 1, bit 27 */		uint16_t altBbCredit:1; /* FC Word 1, bit 27 */
	uint16_t edtovResolution:1; /* FC Word 1, bit 26 */		uint16_t edtovResolution:1; /* FC Word 1, bit 26 */
	uint16_t multicast:1; /* FC Word 1, bit 25 */		uint16_t multicast:1; /* FC Word 1, bit 25 */
	uint16_t broadcast:1; /* FC Word 1, bit 24 */		uint16_t app_hdr_support:1; /* FC Word 1, bit 24 */

	uint16_t huntgroup:1; /* FC Word 1, bit 23 */		uint16_t priority_tagging:1; /* FC Word 1, bit 23 */
	uint16_t simplex:1; /* FC Word 1, bit 22 */		uint16_t simplex:1; /* FC Word 1, bit 22 */
	uint16_t word1Reserved1:3; /* FC Word 1, bit 21:19 */		uint16_t word1Reserved1:3; /* FC Word 1, bit 21:19 */
	uint16_t dhd:1; /* FC Word 1, bit 18 */		uint16_t dhd:1; /* FC Word 1, bit 18 */
	uint16_t contIncSeqCnt:1; /* FC Word 1, bit 17 */		uint16_t contIncSeqCnt:1; /* FC Word 1, bit 17 */
	uint16_t payloadlength:1; /* FC Word 1, bit 16 */		uint16_t payloadlength:1; /* FC Word 1, bit 16 */
	#else /* __LITTLE_ENDIAN_BITFIELD */		#else /* __LITTLE_ENDIAN_BITFIELD */
	uint16_t broadcast:1; /* FC Word 1, bit 24 */		uint16_t app_hdr_support:1; /* FC Word 1, bit 24 */
	uint16_t multicast:1; /* FC Word 1, bit 25 */		uint16_t multicast:1; /* FC Word 1, bit 25 */
	uint16_t edtovResolution:1; /* FC Word 1, bit 26 */		uint16_t edtovResolution:1; /* FC Word 1, bit 26 */
	uint16_t altBbCredit:1; /* FC Word 1, bit 27 */		uint16_t altBbCredit:1; /* FC Word 1, bit 27 */
	@@ -423,7 +424,7 @@ struct csp {
	uint16_t dhd:1; /* FC Word 1, bit 18 */		uint16_t dhd:1; /* FC Word 1, bit 18 */
	uint16_t word1Reserved1:3; /* FC Word 1, bit 21:19 */		uint16_t word1Reserved1:3; /* FC Word 1, bit 21:19 */
	uint16_t simplex:1; /* FC Word 1, bit 22 */		uint16_t simplex:1; /* FC Word 1, bit 22 */
	uint16_t huntgroup:1; /* FC Word 1, bit 23 */		uint16_t priority_tagging:1; /* FC Word 1, bit 23 */
	#endif		#endif

	uint8_t bbRcvSizeMsb; /* Upper nibble is reserved */		uint8_t bbRcvSizeMsb; /* Upper nibble is reserved */
	@@ -607,6 +608,8 @@ struct fc_vft_header {
	#define ELS_CMD_LIRR 0x7A000000		#define ELS_CMD_LIRR 0x7A000000
	#define ELS_CMD_LCB 0x81000000		#define ELS_CMD_LCB 0x81000000
	#define ELS_CMD_FPIN 0x16000000		#define ELS_CMD_FPIN 0x16000000
			#define ELS_CMD_QFPA 0xB0000000
			#define ELS_CMD_UVEM 0xB1000000
	#else /* __LITTLE_ENDIAN_BITFIELD */		#else /* __LITTLE_ENDIAN_BITFIELD */
	#define ELS_CMD_MASK 0xffff		#define ELS_CMD_MASK 0xffff
	#define ELS_RSP_MASK 0xff		#define ELS_RSP_MASK 0xff
	@@ -649,6 +652,8 @@ struct fc_vft_header {
	#define ELS_CMD_LIRR 0x7A		#define ELS_CMD_LIRR 0x7A
	#define ELS_CMD_LCB 0x81		#define ELS_CMD_LCB 0x81
	#define ELS_CMD_FPIN ELS_FPIN		#define ELS_CMD_FPIN ELS_FPIN
			#define ELS_CMD_QFPA 0xB0
			#define ELS_CMD_UVEM 0xB1
	#endif		#endif

	/*		/*
	@@ -1317,6 +1322,117 @@ struct fc_rdp_res_frame {
	};		};


			/* UVEM */

			#define LPFC_UVEM_SIZE 60
			#define LPFC_UVEM_VEM_ID_DESC_SIZE 16
			#define LPFC_UVEM_VE_MAP_DESC_SIZE 20

			#define VEM_ID_DESC_TAG 0x0001000A
			struct lpfc_vem_id_desc {
			uint32_t tag;
			uint32_t length;
			uint8_t vem_id[16];
			};

			#define LPFC_QFPA_SIZE 4

			#define INSTANTIATED_VE_DESC_TAG 0x0001000B
			struct instantiated_ve_desc {
			uint32_t tag;
			uint32_t length;
			uint8_t global_vem_id[16];
			uint32_t word6;
			#define lpfc_instantiated_local_id_SHIFT 0
			#define lpfc_instantiated_local_id_MASK 0x000000ff
			#define lpfc_instantiated_local_id_WORD word6
			#define lpfc_instantiated_nport_id_SHIFT 8
			#define lpfc_instantiated_nport_id_MASK 0x00ffffff
			#define lpfc_instantiated_nport_id_WORD word6
			};

			#define DEINSTANTIATED_VE_DESC_TAG 0x0001000C
			struct deinstantiated_ve_desc {
			uint32_t tag;
			uint32_t length;
			uint8_t global_vem_id[16];
			uint32_t word6;
			#define lpfc_deinstantiated_nport_id_SHIFT 0
			#define lpfc_deinstantiated_nport_id_MASK 0x000000ff
			#define lpfc_deinstantiated_nport_id_WORD word6
			#define lpfc_deinstantiated_local_id_SHIFT 24
			#define lpfc_deinstantiated_local_id_MASK 0x00ffffff
			#define lpfc_deinstantiated_local_id_WORD word6
			};

			/* Query Fabric Priority Allocation Response */
			#define LPFC_PRIORITY_RANGE_DESC_SIZE 12

			struct priority_range_desc {
			uint32_t tag;
			uint32_t length;
			uint8_t lo_range;
			uint8_t hi_range;
			uint8_t qos_priority;
			uint8_t local_ve_id;
			};

			struct fc_qfpa_res {
			uint32_t reply_sequence; /* LS_ACC or LS_RJT */
			uint32_t length; /* FC Word 1 */
			struct priority_range_desc desc[1];
			};

			/* Application Server command code */
			/* VMID */

			#define SLI_CT_APP_SEV_Subtypes 0x20 /* Application Server subtype */

			#define SLI_CTAS_GAPPIA_ENT 0x0100 /* Get Application Identifier */
			#define SLI_CTAS_GALLAPPIA 0x0101 /* Get All Application Identifier */
			#define SLI_CTAS_GALLAPPIA_ID 0x0102 /* Get All Application Identifier */
			/* for Nport */
			#define SLI_CTAS_GAPPIA_IDAPP 0x0103 /* Get Application Identifier */
			/* for Nport */
			#define SLI_CTAS_RAPP_IDENT 0x0200 /* Register Application Identifier */
			#define SLI_CTAS_DAPP_IDENT 0x0300 /* Deregister Application */
			/* Identifier */
			#define SLI_CTAS_DALLAPP_ID 0x0301 /* Deregister All Application */
			/* Identifier */

			struct entity_id_object {
			uint8_t entity_id_len;
			uint8_t entity_id[255]; /* VM UUID */
			};

			struct app_id_object {
			uint32_t port_id;
			uint32_t app_id;
			struct entity_id_object obj;
			};

			struct lpfc_vmid_rapp_ident_list {
			uint32_t no_of_objects;
			struct entity_id_object obj[1];
			};

			struct lpfc_vmid_dapp_ident_list {
			uint32_t no_of_objects;
			struct entity_id_object obj[1];
			};

			#define GALLAPPIA_ID_LAST 0x80
			struct lpfc_vmid_gallapp_ident_list {
			uint8_t control;
			uint8_t reserved[3];
			struct app_id_object app_id;
			};

			#define RAPP_IDENT_OFFSET (offsetof(struct lpfc_sli_ct_request, un) + 4)
			#define DAPP_IDENT_OFFSET (offsetof(struct lpfc_sli_ct_request, un) + 4)
			#define GALLAPPIA_ID_SIZE (offsetof(struct lpfc_sli_ct_request, un) + 4)
			#define DALLAPP_ID_SIZE (offsetof(struct lpfc_sli_ct_request, un) + 4)

	/****** FDMI ******/		/****** FDMI ******/

	/* lpfc_sli_ct_request defines the CT_IU preamble for FDMI commands */		/* lpfc_sli_ct_request defines the CT_IU preamble for FDMI commands */

drivers/scsi/lpfc/lpfc_sli.h

+8 −0

Original line number	Original line	Diff line number	Diff line
	@@ -35,6 +35,12 @@ typedef enum _lpfc_ctx_cmd {
	LPFC_CTX_HOST		LPFC_CTX_HOST
	} lpfc_ctx_cmd;		} lpfc_ctx_cmd;

			union lpfc_vmid_iocb_tag {
			uint32_t app_id;
			uint8_t cs_ctl_vmid;
			struct lpfc_vmid_context vmid_context; / UVEM context information */
			};

	struct lpfc_cq_event {		struct lpfc_cq_event {
	struct list_head list;		struct list_head list;
	uint16_t hdwq;		uint16_t hdwq;
	@@ -100,6 +106,7 @@ struct lpfc_iocbq {
	#define LPFC_IO_NVME 0x200000 /* NVME FCP command */		#define LPFC_IO_NVME 0x200000 /* NVME FCP command */
	#define LPFC_IO_NVME_LS 0x400000 /* NVME LS command */		#define LPFC_IO_NVME_LS 0x400000 /* NVME LS command */
	#define LPFC_IO_NVMET 0x800000 /* NVMET command */		#define LPFC_IO_NVMET 0x800000 /* NVMET command */
			#define LPFC_IO_VMID 0x1000000 /* VMID tagged IO */

	uint32_t drvrTimeout; /* driver timeout in seconds */		uint32_t drvrTimeout; /* driver timeout in seconds */
	struct lpfc_vport vport;/ virtual port pointer */		struct lpfc_vport vport;/ virtual port pointer */
	@@ -115,6 +122,7 @@ struct lpfc_iocbq {
	struct lpfc_node_rrq *rrq;		struct lpfc_node_rrq *rrq;
	} context_un;		} context_un;

			union lpfc_vmid_iocb_tag vmid_tag;
	void (fabric_iocb_cmpl)(struct lpfc_hba , struct lpfc_iocbq *,		void (fabric_iocb_cmpl)(struct lpfc_hba , struct lpfc_iocbq *,
	struct lpfc_iocbq *);		struct lpfc_iocbq *);
	void (wait_iocb_cmpl)(struct lpfc_hba , struct lpfc_iocbq *,		void (wait_iocb_cmpl)(struct lpfc_hba , struct lpfc_iocbq *,