1 files changed, 114 insertions, 32 deletions

diff --git a/drivers/scsi/lpfc/lpfc_sli4.h b/drivers/scsi/lpfc/lpfc_sli4.h
index b5f4ba1a5c27..4a35e7b9bc5b 100644
--- a/drivers/scsi/lpfc/lpfc_sli4.h
+++ b/drivers/scsi/lpfc/lpfc_sli4.h
@@ -22,13 +22,17 @@
 #define LPFC_RELEASE_NOTIFICATION_INTERVAL      32
 #define LPFC_GET_QE_REL_INT                     32
 #define LPFC_RPI_LOW_WATER_MARK                 10
+
+/* Amount of time in seconds for waiting FCF rediscovery to complete */
+#define LPFC_FCF_REDISCOVER_WAIT_TMO            2000 /* msec */
+
 /* Number of SGL entries can be posted in a 4KB nonembedded mbox command */
 #define LPFC_NEMBED_MBOX_SGL_CNT                254
 
 /* Multi-queue arrangement for fast-path FCP work queues */
 #define LPFC_FN_EQN_MAX       8
 #define LPFC_SP_EQN_DEF       1
-#define LPFC_FP_EQN_DEF       1
+#define LPFC_FP_EQN_DEF       4
 #define LPFC_FP_EQN_MIN       1
 #define LPFC_FP_EQN_MAX       (LPFC_FN_EQN_MAX - LPFC_SP_EQN_DEF)
 
@@ -58,6 +62,16 @@
 #define LPFC_FCOE_FKA_ADV_PER   0
 #define LPFC_FCOE_FIP_PRIORITY  0x80
 
+#define sli4_sid_from_fc_hdr(fc_hdr)  \
+        ((fc_hdr)->fh_s_id[0] << 16 | \
+         (fc_hdr)->fh_s_id[1] <<  8 | \
+         (fc_hdr)->fh_s_id[2])
+
+#define sli4_fctl_from_fc_hdr(fc_hdr)  \
+        ((fc_hdr)->fh_f_ctl[0] << 16 | \
+         (fc_hdr)->fh_f_ctl[1] <<  8 | \
+         (fc_hdr)->fh_f_ctl[2])
+
 enum lpfc_sli4_queue_type {
         LPFC_EQ,
         LPFC_GCQ,
@@ -110,44 +124,56 @@ struct lpfc_queue {
         union sli4_qe qe[1];    /* array to index entries (must be last) */
 };
 
-struct lpfc_cq_event {
-        struct list_head list;
-        union {
-                struct lpfc_mcqe                mcqe_cmpl;
-                struct lpfc_acqe_link           acqe_link;
-                struct lpfc_acqe_fcoe           acqe_fcoe;
-                struct lpfc_acqe_dcbx           acqe_dcbx;
-                struct lpfc_rcqe                rcqe_cmpl;
-                struct sli4_wcqe_xri_aborted    wcqe_axri;
-        } cqe;
-};
-
 struct lpfc_sli4_link {
         uint8_t speed;
         uint8_t duplex;
         uint8_t status;
         uint8_t physical;
         uint8_t fault;
+        uint16_t logical_speed;
 };
 
-struct lpfc_fcf {
-        uint8_t  fabric_name[8];
-        uint8_t  switch_name[8];
+struct lpfc_fcf_rec {
+        uint8_t  fabric_name[8];
+        uint8_t  switch_name[8];
         uint8_t  mac_addr[6];
         uint16_t fcf_indx;
+        uint32_t priority;
+        uint16_t vlan_id;
+        uint32_t addr_mode;
+        uint32_t flag;
+#define BOOT_ENABLE     0x01
+#define RECORD_VALID    0x02
+};
+
+struct lpfc_fcf {
         uint16_t fcfi;
         uint32_t fcf_flag;
 #define FCF_AVAILABLE   0x01 /* FCF available for discovery */
 #define FCF_REGISTERED  0x02 /* FCF registered with FW */
-#define FCF_DISCOVERED  0x04 /* FCF discovery started  */
-#define FCF_BOOT_ENABLE 0x08 /* Boot bios use this FCF */
-#define FCF_IN_USE      0x10 /* Atleast one discovery completed */
-#define FCF_VALID_VLAN  0x20 /* Use the vlan id specified */
-        uint32_t priority;
+#define FCF_SCAN_DONE   0x04 /* FCF table scan done */
+#define FCF_IN_USE      0x08 /* Atleast one discovery completed */
+#define FCF_INIT_DISC   0x10 /* Initial FCF discovery */
+#define FCF_DEAD_DISC   0x20 /* FCF DEAD fast FCF failover discovery */
+#define FCF_ACVL_DISC   0x40 /* All CVL fast FCF failover discovery */
+#define FCF_DISCOVERY   (FCF_INIT_DISC | FCF_DEAD_DISC | FCF_ACVL_DISC)
+#define FCF_REDISC_PEND 0x80 /* FCF rediscovery pending */
+#define FCF_REDISC_EVT  0x100 /* FCF rediscovery event to worker thread */
+#define FCF_REDISC_FOV  0x200 /* Post FCF rediscovery fast failover */
         uint32_t addr_mode;
-        uint16_t vlan_id;
+        uint16_t fcf_rr_init_indx;
+        struct lpfc_fcf_rec current_rec;
+        struct lpfc_fcf_rec failover_rec;
+        struct timer_list redisc_wait;
+        unsigned long *fcf_rr_bmask; /* Eligible FCF indexes for RR failover */
 };
 
+/*
+ * Maximum FCF table index, it is for driver internal book keeping, it
+ * just needs to be no less than the supported HBA's FCF table size.
+ */
+#define LPFC_SLI4_FCF_TBL_INDX_MAX      32
+
 #define LPFC_REGION23_SIGNATURE "RG23"
 #define LPFC_REGION23_VERSION   1
 #define LPFC_REGION23_LAST_REC  0xff
@@ -166,7 +192,7 @@ struct lpfc_fip_param_hdr {
 #define lpfc_fip_param_hdr_fipp_mode_SHIFT      6
 #define lpfc_fip_param_hdr_fipp_mode_MASK       0x3
 #define lpfc_fip_param_hdr_fipp_mode_WORD       parm_flags
-#define FIPP_MODE_ON                            0x2
+#define FIPP_MODE_ON                            0x1
 #define FIPP_MODE_OFF                           0x0
 #define FIPP_VLAN_VALID                         0x1
 };
@@ -250,7 +276,10 @@ struct lpfc_bmbx {
 #define SLI4_CT_VFI 2
 #define SLI4_CT_FCFI 3
 
-#define LPFC_SLI4_MAX_SEGMENT_SIZE 0x10000
+#define LPFC_SLI4_FL1_MAX_SEGMENT_SIZE  0x10000
+#define LPFC_SLI4_FL1_MAX_BUF_SIZE      0X2000
+#define LPFC_SLI4_MIN_BUF_SIZE          0x400
+#define LPFC_SLI4_MAX_BUF_SIZE          0x20000
 
 /*
  * SLI4 specific data structures
@@ -284,6 +313,42 @@ struct lpfc_fcp_eq_hdl {
         struct lpfc_hba *phba;
 };
 
+/* Port Capabilities for SLI4 Parameters */
+struct lpfc_pc_sli4_params {
+        uint32_t supported;
+        uint32_t if_type;
+        uint32_t sli_rev;
+        uint32_t sli_family;
+        uint32_t featurelevel_1;
+        uint32_t featurelevel_2;
+        uint32_t proto_types;
+#define LPFC_SLI4_PROTO_FCOE    0x0000001
+#define LPFC_SLI4_PROTO_FC      0x0000002
+#define LPFC_SLI4_PROTO_NIC     0x0000004
+#define LPFC_SLI4_PROTO_ISCSI   0x0000008
+#define LPFC_SLI4_PROTO_RDMA    0x0000010
+        uint32_t sge_supp_len;
+        uint32_t if_page_sz;
+        uint32_t rq_db_window;
+        uint32_t loopbk_scope;
+        uint32_t eq_pages_max;
+        uint32_t eqe_size;
+        uint32_t cq_pages_max;
+        uint32_t cqe_size;
+        uint32_t mq_pages_max;
+        uint32_t mqe_size;
+        uint32_t mq_elem_cnt;
+        uint32_t wq_pages_max;
+        uint32_t wqe_size;
+        uint32_t rq_pages_max;
+        uint32_t rqe_size;
+        uint32_t hdr_pages_max;
+        uint32_t hdr_size;
+        uint32_t hdr_pp_align;
+        uint32_t sgl_pages_max;
+        uint32_t sgl_pp_align;
+};
+
 /* SLI4 HBA data structure entries */
 struct lpfc_sli4_hba {
         void __iomem *conf_regs_memmap_p; /* Kernel memory mapped address for
@@ -295,10 +360,9 @@ struct lpfc_sli4_hba {
         /* BAR0 PCI config space register memory map */
         void __iomem *UERRLOregaddr; /* Address to UERR_STATUS_LO register */
         void __iomem *UERRHIregaddr; /* Address to UERR_STATUS_HI register */
-        void __iomem *ONLINE0regaddr; /* Address to components of internal UE */
-        void __iomem *ONLINE1regaddr; /* Address to components of internal UE */
-#define LPFC_ONLINE_NERR        0xFFFFFFFF
-        void __iomem *SCRATCHPADregaddr; /* Address to scratchpad register */
+        void __iomem *UEMASKLOregaddr; /* Address to UE_MASK_LO register */
+        void __iomem *UEMASKHIregaddr; /* Address to UE_MASK_HI register */
+        void __iomem *SLIINTFregaddr; /* Address to SLI_INTF register */
         /* BAR1 FCoE function CSR register memory map */
         void __iomem *STAregaddr;    /* Address to HST_STATE register */
         void __iomem *ISRregaddr;    /* Address to HST_ISR register */
@@ -311,6 +375,10 @@ struct lpfc_sli4_hba {
         void __iomem *MQDBregaddr;   /* Address to MQ_DOORBELL register */
         void __iomem *BMBXregaddr;   /* Address to BootStrap MBX register */
 
+        uint32_t ue_mask_lo;
+        uint32_t ue_mask_hi;
+        struct lpfc_register sli_intf;
+        struct lpfc_pc_sli4_params pc_sli4_params;
         struct msix_entry *msix_entries;
         uint32_t cfg_eqn;
         struct lpfc_fcp_eq_hdl *fcp_eq_hdl; /* FCP per-WQ handle */
@@ -325,7 +393,6 @@ struct lpfc_sli4_hba {
         struct lpfc_queue **fcp_cq;/* Fast-path FCP compl queue */
         struct lpfc_queue *mbx_cq; /* Slow-path mailbox complete queue */
         struct lpfc_queue *els_cq; /* Slow-path ELS response complete queue */
-        struct lpfc_queue *rxq_cq; /* Slow-path unsolicited complete queue */
 
         /* Setup information for various queue parameters */
         int eq_esize;
@@ -360,7 +427,7 @@ struct lpfc_sli4_hba {
         unsigned long *rpi_bmask;
         uint16_t rpi_count;
         struct lpfc_sli4_flags sli4_flags;
-        struct list_head sp_rspiocb_work_queue;
+        struct list_head sp_queue_event;
         struct list_head sp_cqe_event_pool;
         struct list_head sp_asynce_work_queue;
         struct list_head sp_fcp_xri_aborted_work_queue;
@@ -376,11 +443,18 @@ enum lpfc_sge_type {
         SCSI_BUFF_TYPE
 };
 
+enum lpfc_sgl_state {
+        SGL_FREED,
+        SGL_ALLOCATED,
+        SGL_XRI_ABORTED
+};
+
 struct lpfc_sglq {
         /* lpfc_sglqs are used in double linked lists */
         struct list_head list;
         struct list_head clist;
         enum lpfc_sge_type buff_type; /* is this a scsi sgl */
+        enum lpfc_sgl_state state;
         uint16_t iotag;         /* pre-assigned IO tag */
         uint16_t sli4_xritag;   /* pre-assigned XRI, (OXID) tag. */
         struct sli4_sge *sgl;   /* pre-assigned SGL */
@@ -408,6 +482,8 @@ void lpfc_sli4_mbox_cmd_free(struct lpfc_hba *, struct lpfcMboxq *);
 void lpfc_sli4_mbx_sge_set(struct lpfcMboxq *, uint32_t, dma_addr_t, uint32_t);
 void lpfc_sli4_mbx_sge_get(struct lpfcMboxq *, uint32_t,
                            struct lpfc_mbx_sge *);
+int lpfc_sli4_mbx_read_fcf_rec(struct lpfc_hba *, struct lpfcMboxq *,
+                               uint16_t);
 
 void lpfc_sli4_hba_reset(struct lpfc_hba *);
 struct lpfc_queue *lpfc_sli4_queue_alloc(struct lpfc_hba *, uint32_t,
@@ -450,6 +526,7 @@ int lpfc_sli4_alloc_rpi(struct lpfc_hba *);
 void lpfc_sli4_free_rpi(struct lpfc_hba *, int);
 void lpfc_sli4_remove_rpis(struct lpfc_hba *);
 void lpfc_sli4_async_event_proc(struct lpfc_hba *);
+void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba *);
 int lpfc_sli4_resume_rpi(struct lpfc_nodelist *);
 void lpfc_sli4_fcp_xri_abort_event_proc(struct lpfc_hba *);
 void lpfc_sli4_els_xri_abort_event_proc(struct lpfc_hba *);
@@ -465,8 +542,13 @@ int lpfc_sli4_init_vpi(struct lpfc_hba *, uint16_t);
 uint32_t lpfc_sli4_cq_release(struct lpfc_queue *, bool);
 uint32_t lpfc_sli4_eq_release(struct lpfc_queue *, bool);
 void lpfc_sli4_fcfi_unreg(struct lpfc_hba *, uint16_t);
-int lpfc_sli4_read_fcf_record(struct lpfc_hba *, uint16_t);
-void lpfc_mbx_cmpl_read_fcf_record(struct lpfc_hba *, LPFC_MBOXQ_t *);
+int lpfc_sli4_fcf_scan_read_fcf_rec(struct lpfc_hba *, uint16_t);
+int lpfc_sli4_fcf_rr_read_fcf_rec(struct lpfc_hba *, uint16_t);
+int lpfc_sli4_read_fcf_rec(struct lpfc_hba *, uint16_t);
+void lpfc_mbx_cmpl_fcf_scan_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
+void lpfc_mbx_cmpl_fcf_rr_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
+void lpfc_mbx_cmpl_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
+int lpfc_sli4_unregister_fcf(struct lpfc_hba *);
 int lpfc_sli4_post_status_check(struct lpfc_hba *);
 uint8_t lpfc_sli4_mbox_opcode_get(struct lpfc_hba *, struct lpfcMboxq *);