diff options
Diffstat (limited to 'drivers/net/ethernet/pensando/ionic/ionic_if.h')
| -rw-r--r-- | drivers/net/ethernet/pensando/ionic/ionic_if.h | 118 |
1 files changed, 113 insertions, 5 deletions
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_if.h b/drivers/net/ethernet/pensando/ionic/ionic_if.h index 9886cd66ce68..47559c909c8b 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_if.h +++ b/drivers/net/ethernet/pensando/ionic/ionic_if.h @@ -56,6 +56,9 @@ enum ionic_cmd_opcode { IONIC_CMD_VF_SETATTR = 61, IONIC_CMD_VF_CTRL = 62, + /* CMB command */ + IONIC_CMD_DISCOVER_CMB = 80, + /* QoS commands */ IONIC_CMD_QOS_CLASS_IDENTIFY = 240, IONIC_CMD_QOS_CLASS_INIT = 241, @@ -269,9 +272,11 @@ union ionic_drv_identity { /** * enum ionic_dev_capability - Device capabilities * @IONIC_DEV_CAP_VF_CTRL: Device supports VF ctrl operations + * @IONIC_DEV_CAP_DISC_CMB: Device supports CMB discovery operations */ enum ionic_dev_capability { IONIC_DEV_CAP_VF_CTRL = BIT(0), + IONIC_DEV_CAP_DISC_CMB = BIT(1), }; /** @@ -395,6 +400,7 @@ enum ionic_logical_qtype { * @IONIC_Q_F_4X_DESC: Quadruple main descriptor size * @IONIC_Q_F_4X_CQ_DESC: Quadruple cq descriptor size * @IONIC_Q_F_4X_SG_DESC: Quadruple sg descriptor size + * @IONIC_QIDENT_F_EXPDB: Queue supports express doorbell */ enum ionic_q_feature { IONIC_QIDENT_F_CQ = BIT_ULL(0), @@ -407,6 +413,7 @@ enum ionic_q_feature { IONIC_Q_F_4X_DESC = BIT_ULL(7), IONIC_Q_F_4X_CQ_DESC = BIT_ULL(8), IONIC_Q_F_4X_SG_DESC = BIT_ULL(9), + IONIC_QIDENT_F_EXPDB = BIT_ULL(10), }; /** @@ -495,6 +502,16 @@ union ionic_lif_config { }; /** + * enum ionic_lif_rdma_cap_stats - LIF stat type + * @IONIC_LIF_RDMA_STAT_GLOBAL: Global stats + * @IONIC_LIF_RDMA_STAT_QP: Queue pair stats + */ +enum ionic_lif_rdma_cap_stats { + IONIC_LIF_RDMA_STAT_GLOBAL = BIT(0), + IONIC_LIF_RDMA_STAT_QP = BIT(1), +}; + +/** * struct ionic_lif_identity - LIF identity information (type-specific) * * @capabilities: LIF capabilities @@ -513,10 +530,10 @@ union ionic_lif_config { * @eth.config: LIF config struct with features, mtu, mac, q counts * * @rdma: RDMA identify structure - * @rdma.version: RDMA version of opcodes and queue descriptors + * @rdma.version: RDMA capability version * @rdma.qp_opcodes: Number of RDMA queue pair opcodes supported * @rdma.admin_opcodes: Number of RDMA admin opcodes supported - * @rdma.rsvd: reserved byte(s) + * @rdma.minor_version: RDMA capability minor version * @rdma.npts_per_lif: Page table size per LIF * @rdma.nmrs_per_lif: Number of memory regions per LIF * @rdma.nahs_per_lif: Number of address handles per LIF @@ -526,12 +543,17 @@ union ionic_lif_config { * @rdma.rrq_stride: Remote RQ work request stride * @rdma.rsq_stride: Remote SQ work request stride * @rdma.dcqcn_profiles: Number of DCQCN profiles - * @rdma.rsvd_dimensions: reserved byte(s) + * @rdma.udma_shift: Log2 number of queues per queue group + * @rdma.rsvd_dimensions: Reserved byte + * @rdma.page_size_cap: Supported page sizes * @rdma.aq_qtype: RDMA Admin Qtype * @rdma.sq_qtype: RDMA Send Qtype * @rdma.rq_qtype: RDMA Receive Qtype * @rdma.cq_qtype: RDMA Completion Qtype * @rdma.eq_qtype: RDMA Event Qtype + * @rdma.stats_type: Supported statistics type + * (enum ionic_lif_rdma_cap_stats) + * @rdma.rsvd1: Reserved byte(s) * @words: word access to struct contents */ union ionic_lif_identity { @@ -557,7 +579,7 @@ union ionic_lif_identity { u8 version; u8 qp_opcodes; u8 admin_opcodes; - u8 rsvd; + u8 minor_version; __le32 npts_per_lif; __le32 nmrs_per_lif; __le32 nahs_per_lif; @@ -567,12 +589,16 @@ union ionic_lif_identity { u8 rrq_stride; u8 rsq_stride; u8 dcqcn_profiles; - u8 rsvd_dimensions[10]; + u8 udma_shift; + u8 rsvd_dimensions; + __le64 page_size_cap; struct ionic_lif_logical_qtype aq_qtype; struct ionic_lif_logical_qtype sq_qtype; struct ionic_lif_logical_qtype rq_qtype; struct ionic_lif_logical_qtype cq_qtype; struct ionic_lif_logical_qtype eq_qtype; + __le16 stats_type; + u8 rsvd1[162]; } __packed rdma; } __packed; __le32 words[478]; @@ -2195,6 +2221,80 @@ struct ionic_vf_ctrl_comp { }; /** + * struct ionic_discover_cmb_cmd - CMB discovery command + * @opcode: Opcode for the command + * @rsvd: Reserved bytes + */ +struct ionic_discover_cmb_cmd { + u8 opcode; + u8 rsvd[63]; +}; + +/** + * struct ionic_discover_cmb_comp - CMB discover command completion. + * @status: Status of the command (enum ionic_status_code) + * @rsvd: Reserved bytes + */ +struct ionic_discover_cmb_comp { + u8 status; + u8 rsvd[15]; +}; + +#define IONIC_MAX_CMB_REGIONS 16 +#define IONIC_CMB_SHIFT_64K 16 + +enum ionic_cmb_type { + IONIC_CMB_TYPE_DEVMEM = 0, + IONIC_CMB_TYPE_EXPDB64 = 1, + IONIC_CMB_TYPE_EXPDB128 = 2, + IONIC_CMB_TYPE_EXPDB256 = 3, + IONIC_CMB_TYPE_EXPDB512 = 4, +}; + +/** + * union ionic_cmb_region - Configuration for CMB region + * @bar_num: CMB mapping number from FW + * @cmb_type: Type of CMB this region describes (enum ionic_cmb_type) + * @rsvd: Reserved + * @offset: Offset within BAR in 64KB pages + * @length: Length of the CMB region + * @words: 32-bit words for direct access to the entire region + */ +union ionic_cmb_region { + struct { + u8 bar_num; + u8 cmb_type; + u8 rsvd[6]; + __le32 offset; + __le32 length; + } __packed; + __le32 words[4]; +}; + +/** + * union ionic_discover_cmb_identity - CMB layout identity structure + * @num_regions: Number of CMB regions, up to 16 + * @flags: Feature and capability bits (0 for express + * doorbell, 1 for 4K alignment indicator, + * 31-24 for version information) + * @region: CMB mappings region, entry 0 for regular + * mapping, entries 1-7 for WQE sizes 64, + * 128, 256, 512, 1024, 2048 and 4096 bytes + * @words: Full union buffer size + */ +union ionic_discover_cmb_identity { + struct { + __le32 num_regions; +#define IONIC_CMB_FLAG_EXPDB BIT(0) +#define IONIC_CMB_FLAG_4KALIGN BIT(1) +#define IONIC_CMB_FLAG_VERSION 0xff000000 + __le32 flags; + union ionic_cmb_region region[IONIC_MAX_CMB_REGIONS]; + }; + __le32 words[478]; +}; + +/** * struct ionic_qos_identify_cmd - QoS identify command * @opcode: opcode * @ver: Highest version of identify supported by driver @@ -3054,6 +3154,8 @@ union ionic_dev_cmd { struct ionic_vf_getattr_cmd vf_getattr; struct ionic_vf_ctrl_cmd vf_ctrl; + struct ionic_discover_cmb_cmd discover_cmb; + struct ionic_lif_identify_cmd lif_identify; struct ionic_lif_init_cmd lif_init; struct ionic_lif_reset_cmd lif_reset; @@ -3093,6 +3195,8 @@ union ionic_dev_cmd_comp { struct ionic_vf_getattr_comp vf_getattr; struct ionic_vf_ctrl_comp vf_ctrl; + struct ionic_discover_cmb_comp discover_cmb; + struct ionic_lif_identify_comp lif_identify; struct ionic_lif_init_comp lif_init; ionic_lif_reset_comp lif_reset; @@ -3234,6 +3338,9 @@ union ionic_adminq_comp { #define IONIC_BAR0_DEV_CMD_DATA_REGS_OFFSET 0x0c00 #define IONIC_BAR0_INTR_STATUS_OFFSET 0x1000 #define IONIC_BAR0_INTR_CTRL_OFFSET 0x2000 + +/* BAR2 */ +#define IONIC_BAR2_CMB_ENTRY_SIZE 0x800000 #define IONIC_DEV_CMD_DONE 0x00000001 #define IONIC_ASIC_TYPE_NONE 0 @@ -3287,6 +3394,7 @@ struct ionic_identity { union ionic_port_identity port; union ionic_qos_identity qos; union ionic_q_identity txq; + union ionic_discover_cmb_identity cmb_layout; }; #endif /* _IONIC_IF_H_ */ |