diff options
Diffstat (limited to 'drivers/net/ethernet/pensando/ionic/ionic_if.h')
| -rw-r--r-- | drivers/net/ethernet/pensando/ionic/ionic_if.h | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_if.h b/drivers/net/ethernet/pensando/ionic/ionic_if.h index 77c3dc188264..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), }; /** @@ -2214,6 +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 @@ -3073,6 +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; @@ -3112,6 +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; @@ -3253,6 +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 @@ -3306,6 +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_ */ |