diff options
Diffstat (limited to 'drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.h')
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.h | 220 |
1 files changed, 220 insertions, 0 deletions
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.h index 6d0df334124a..97275aa08ca9 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.h +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.h @@ -19,11 +19,231 @@ #ifndef BNX2X_SRIOV_H #define BNX2X_SRIOV_H +/* The bnx2x device structure holds vfdb structure described below. + * The VF array is indexed by the relative vfid. + */ +struct bnx2x_sriov { + u32 first_vf_in_pf; + + /* standard SRIOV capability fields, mostly for debugging */ + int pos; /* capability position */ + int nres; /* number of resources */ + u32 cap; /* SR-IOV Capabilities */ + u16 ctrl; /* SR-IOV Control */ + u16 total; /* total VFs associated with the PF */ + u16 initial; /* initial VFs associated with the PF */ + u16 nr_virtfn; /* number of VFs available */ + u16 offset; /* first VF Routing ID offset */ + u16 stride; /* following VF stride */ + u32 pgsz; /* page size for BAR alignment */ + u8 link; /* Function Dependency Link */ +}; + +/* bars */ +struct bnx2x_vf_bar { + u64 bar; + u32 size; +}; + +/* vf queue (used both for rx or tx) */ +struct bnx2x_vf_queue { + struct eth_context *cxt; + + /* MACs object */ + struct bnx2x_vlan_mac_obj mac_obj; + + /* VLANs object */ + struct bnx2x_vlan_mac_obj vlan_obj; + atomic_t vlan_count; /* 0 means vlan-0 is set ~ untagged */ + + /* Queue Slow-path State object */ + struct bnx2x_queue_sp_obj sp_obj; + + u32 cid; + u16 index; + u16 sb_idx; +}; + +/* struct bnx2x_vfop_qctor_params - prepare queue construction parameters: + * q-init, q-setup and SB index + */ +struct bnx2x_vfop_qctor_params { + struct bnx2x_queue_state_params qstate; + struct bnx2x_queue_setup_params prep_qsetup; +}; + +/* VFOP parameters (one copy per VF) */ +union bnx2x_vfop_params { + struct bnx2x_vlan_mac_ramrod_params vlan_mac; + struct bnx2x_rx_mode_ramrod_params rx_mode; + struct bnx2x_mcast_ramrod_params mcast; + struct bnx2x_config_rss_params rss; + struct bnx2x_vfop_qctor_params qctor; +}; + +/* forward */ +struct bnx2x_virtf; +/* vf context */ +struct bnx2x_virtf { + u16 cfg_flags; +#define VF_CFG_STATS 0x0001 +#define VF_CFG_FW_FC 0x0002 +#define VF_CFG_TPA 0x0004 +#define VF_CFG_INT_SIMD 0x0008 +#define VF_CACHE_LINE 0x0010 + + u8 state; +#define VF_FREE 0 /* VF ready to be acquired holds no resc */ +#define VF_ACQUIRED 1 /* VF aquired, but not initalized */ +#define VF_ENABLED 2 /* VF Enabled */ +#define VF_RESET 3 /* VF FLR'd, pending cleanup */ + + /* non 0 during flr cleanup */ + u8 flr_clnup_stage; +#define VF_FLR_CLN 1 /* reclaim resources and do 'final cleanup' + * sans the end-wait + */ +#define VF_FLR_ACK 2 /* ACK flr notification */ +#define VF_FLR_EPILOG 3 /* wait for VF remnants to dissipate in the HW + * ~ final cleanup' end wait + */ + + /* dma */ + dma_addr_t fw_stat_map; /* valid iff VF_CFG_STATS */ + dma_addr_t spq_map; + dma_addr_t bulletin_map; + + /* Allocated resources counters. Before the VF is acquired, the + * counters hold the following values: + * + * - xxq_count = 0 as the queues memory is not allocated yet. + * + * - sb_count = The number of status blocks configured for this VF in + * the IGU CAM. Initially read during probe. + * + * - xx_rules_count = The number of rules statically and equally + * allocated for each VF, during PF load. + */ + struct vf_pf_resc_request alloc_resc; +#define vf_rxq_count(vf) ((vf)->alloc_resc.num_rxqs) +#define vf_txq_count(vf) ((vf)->alloc_resc.num_txqs) +#define vf_sb_count(vf) ((vf)->alloc_resc.num_sbs) +#define vf_mac_rules_cnt(vf) ((vf)->alloc_resc.num_mac_filters) +#define vf_vlan_rules_cnt(vf) ((vf)->alloc_resc.num_vlan_filters) +#define vf_mc_rules_cnt(vf) ((vf)->alloc_resc.num_mc_filters) + + u8 sb_count; /* actual number of SBs */ + u8 igu_base_id; /* base igu status block id */ + + struct bnx2x_vf_queue *vfqs; +#define bnx2x_vfq(vf, nr, var) ((vf)->vfqs[(nr)].var) + + u8 index; /* index in the vf array */ + u8 abs_vfid; + u8 sp_cl_id; + u32 error; /* 0 means all's-well */ + + /* BDF */ + unsigned int bus; + unsigned int devfn; + + /* bars */ + struct bnx2x_vf_bar bars[PCI_SRIOV_NUM_BARS]; + + /* set-mac ramrod state 1-pending, 0-done */ + unsigned long filter_state; + + /* leading rss client id ~~ the client id of the first rxq, must be + * set for each txq. + */ + int leading_rss; + + /* MCAST object */ + struct bnx2x_mcast_obj mcast_obj; + + /* RSS configuration object */ + struct bnx2x_rss_config_obj rss_conf_obj; + + /* slow-path operations */ + atomic_t op_in_progress; + int op_rc; + bool op_wait_blocking; + struct list_head op_list_head; + union bnx2x_vfop_params op_params; + struct mutex op_mutex; /* one vfop at a time mutex */ + enum channel_tlvs op_current; +}; + +#define BNX2X_NR_VIRTFN(bp) ((bp)->vfdb->sriov.nr_virtfn) + +#define for_each_vf(bp, var) \ + for ((var) = 0; (var) < BNX2X_NR_VIRTFN(bp); (var)++) + struct bnx2x_vf_mbx_msg { union vfpf_tlvs req; union pfvf_tlvs resp; }; +struct bnx2x_vf_mbx { + struct bnx2x_vf_mbx_msg *msg; + dma_addr_t msg_mapping; + + /* VF GPA address */ + u32 vf_addr_lo; + u32 vf_addr_hi; + + struct vfpf_first_tlv first_tlv; /* saved VF request header */ + + u8 flags; +#define VF_MSG_INPROCESS 0x1 /* failsafe - the FW should prevent + * more then one pending msg + */ +}; + +struct hw_dma { + void *addr; + dma_addr_t mapping; + size_t size; +}; + +struct bnx2x_vfdb { +#define BP_VFDB(bp) ((bp)->vfdb) + /* vf array */ + struct bnx2x_virtf *vfs; +#define BP_VF(bp, idx) (&((bp)->vfdb->vfs[(idx)])) +#define bnx2x_vf(bp, idx, var) ((bp)->vfdb->vfs[(idx)].var) + + /* queue array - for all vfs */ + struct bnx2x_vf_queue *vfqs; + + /* vf HW contexts */ + struct hw_dma context[BNX2X_VF_CIDS/ILT_PAGE_CIDS]; +#define BP_VF_CXT_PAGE(bp, i) (&(bp)->vfdb->context[(i)]) + + /* SR-IOV information */ + struct bnx2x_sriov sriov; + struct hw_dma mbx_dma; +#define BP_VF_MBX_DMA(bp) (&((bp)->vfdb->mbx_dma)) + struct bnx2x_vf_mbx mbxs[BNX2X_MAX_NUM_OF_VFS]; +#define BP_VF_MBX(bp, vfid) (&((bp)->vfdb->mbxs[(vfid)])) + + struct hw_dma sp_dma; +#define bnx2x_vf_sp(bp, vf, field) ((bp)->vfdb->sp_dma.addr + \ + (vf)->index * sizeof(struct bnx2x_vf_sp) + \ + offsetof(struct bnx2x_vf_sp, field)) +#define bnx2x_vf_sp_map(bp, vf, field) ((bp)->vfdb->sp_dma.mapping + \ + (vf)->index * sizeof(struct bnx2x_vf_sp) + \ + offsetof(struct bnx2x_vf_sp, field)) + +#define FLRD_VFS_DWORDS (BNX2X_MAX_NUM_OF_VFS / 32) + u32 flrd_vfs[FLRD_VFS_DWORDS]; +}; + +/* global iov routines */ +int bnx2x_iov_init_ilt(struct bnx2x *bp, u16 line); +int bnx2x_iov_init_one(struct bnx2x *bp, int int_mode_param, int num_vfs_param); +void bnx2x_iov_remove_one(struct bnx2x *bp); +int bnx2x_vf_idx_by_abs_fid(struct bnx2x *bp, u16 abs_vfid); void bnx2x_add_tlv(struct bnx2x *bp, void *tlvs_list, u16 offset, u16 type, u16 length); void bnx2x_vfpf_prep(struct bnx2x *bp, struct vfpf_first_tlv *first_tlv, |