/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */ /* Copyright (c) 2015-2018 Mellanox Technologies. All rights reserved */ #ifndef _MLXSW_PCI_HW_H #define _MLXSW_PCI_HW_H #include <linux/bitops.h> #include "item.h" #define MLXSW_PCI_BAR0_SIZE … #define MLXSW_PCI_PAGE_SIZE … #define MLXSW_PCI_CIR_BASE … #define MLXSW_PCI_CIR_IN_PARAM_HI … #define MLXSW_PCI_CIR_IN_PARAM_LO … #define MLXSW_PCI_CIR_IN_MODIFIER … #define MLXSW_PCI_CIR_OUT_PARAM_HI … #define MLXSW_PCI_CIR_OUT_PARAM_LO … #define MLXSW_PCI_CIR_TOKEN … #define MLXSW_PCI_CIR_CTRL … #define MLXSW_PCI_CIR_CTRL_GO_BIT … #define MLXSW_PCI_CIR_CTRL_EVREQ_BIT … #define MLXSW_PCI_CIR_CTRL_OPCODE_MOD_SHIFT … #define MLXSW_PCI_CIR_CTRL_STATUS_SHIFT … #define MLXSW_PCI_CIR_TIMEOUT_MSECS … #define MLXSW_PCI_SW_RESET_TIMEOUT_MSECS … #define MLXSW_PCI_SW_RESET_WAIT_MSECS … #define MLXSW_PCI_FW_READY … #define MLXSW_PCI_FW_READY_MASK … #define MLXSW_PCI_FW_READY_MAGIC … #define MLXSW_PCI_DOORBELL_SDQ_OFFSET … #define MLXSW_PCI_DOORBELL_RDQ_OFFSET … #define MLXSW_PCI_DOORBELL_CQ_OFFSET … #define MLXSW_PCI_DOORBELL_EQ_OFFSET … #define MLXSW_PCI_DOORBELL_ARM_CQ_OFFSET … #define MLXSW_PCI_DOORBELL_ARM_EQ_OFFSET … #define MLXSW_PCI_DOORBELL(offset, type_offset, num) … #define MLXSW_PCI_CQS_MAX … #define MLXSW_PCI_EQS_MAX … #define MLXSW_PCI_EQS_COUNT … #define MLXSW_PCI_EQ_COMP_NUM … #define MLXSW_PCI_SDQS_MIN … #define MLXSW_PCI_SDQ_EMAD_INDEX … #define MLXSW_PCI_SDQ_EMAD_TC … #define MLXSW_PCI_SDQ_CTL_TC … #define MLXSW_PCI_AQ_PAGES … #define MLXSW_PCI_AQ_SIZE … #define MLXSW_PCI_WQE_SIZE … #define MLXSW_PCI_CQE01_SIZE … #define MLXSW_PCI_CQE2_SIZE … #define MLXSW_PCI_CQE_SIZE_MAX … #define MLXSW_PCI_EQE_SIZE … #define MLXSW_PCI_WQE_COUNT … #define MLXSW_PCI_CQE01_COUNT … #define MLXSW_PCI_CQE2_COUNT … #define MLXSW_PCI_EQE_COUNT … #define MLXSW_PCI_EQE_UPDATE_COUNT … #define MLXSW_PCI_WQE_SG_ENTRIES … #define MLXSW_PCI_WQE_TYPE_ETHERNET … /* pci_wqe_c * If set it indicates that a completion should be reported upon * execution of this descriptor. */ MLXSW_ITEM32(pci, wqe, c, 0x00, 31, 1); /* pci_wqe_lp * Local Processing, set if packet should be processed by the local * switch hardware: * For Ethernet EMAD (Direct Route and non Direct Route) - * must be set if packet destination is local device * For InfiniBand CTL - must be set if packet destination is local device * Otherwise it must be clear * Local Process packets must not exceed the size of 2K (including payload * and headers). */ MLXSW_ITEM32(pci, wqe, lp, 0x00, 30, 1); /* pci_wqe_type * Packet type. */ MLXSW_ITEM32(pci, wqe, type, 0x00, 23, 4); /* pci_wqe_byte_count * Size of i-th scatter/gather entry, 0 if entry is unused. */ MLXSW_ITEM16_INDEXED(pci, wqe, byte_count, 0x02, 0, 14, 0x02, 0x00, false); /* pci_wqe_address * Physical address of i-th scatter/gather entry. * Gather Entries must be 2Byte aligned. */ MLXSW_ITEM64_INDEXED(pci, wqe, address, 0x08, 0, 64, 0x8, 0x0, false); enum mlxsw_pci_cqe_v { … }; #define mlxsw_pci_cqe_item_helpers(name, v0, v1, v2) … /* pci_cqe_lag * Packet arrives from a port which is a LAG */ MLXSW_ITEM32(pci, cqe0, lag, 0x00, 23, 1); MLXSW_ITEM32(pci, cqe12, lag, 0x00, 24, 1); mlxsw_pci_cqe_item_helpers(lag, 0, 12, 12); /* pci_cqe_system_port/lag_id * When lag=0: System port on which the packet was received * When lag=1: * bits [15:4] LAG ID on which the packet was received * bits [3:0] sub_port on which the packet was received */ MLXSW_ITEM32(pci, cqe, system_port, 0x00, 0, 16); MLXSW_ITEM32(pci, cqe0, lag_id, 0x00, 4, 12); MLXSW_ITEM32(pci, cqe12, lag_id, 0x00, 0, 16); mlxsw_pci_cqe_item_helpers(lag_id, 0, 12, 12); MLXSW_ITEM32(pci, cqe0, lag_subport, 0x00, 0, 4); MLXSW_ITEM32(pci, cqe12, lag_subport, 0x00, 16, 8); mlxsw_pci_cqe_item_helpers(lag_subport, 0, 12, 12); /* pci_cqe_wqe_counter * WQE count of the WQEs completed on the associated dqn */ MLXSW_ITEM32(pci, cqe, wqe_counter, 0x04, 16, 16); /* pci_cqe_byte_count * Byte count of received packets including additional two * Reserved Bytes that are append to the end of the frame. * Reserved for Send CQE. */ MLXSW_ITEM32(pci, cqe, byte_count, 0x04, 0, 14); #define MLXSW_PCI_CQE2_MIRROR_CONG_INVALID … /* pci_cqe_mirror_cong_high * Congestion level in units of 8KB of the egress traffic class of the original * packet that does mirroring to the CPU. Value of 0xFFFF means that the * congestion level is invalid. */ MLXSW_ITEM32(pci, cqe2, mirror_cong_high, 0x08, 16, 4); /* pci_cqe_trap_id * Trap ID that captured the packet. */ MLXSW_ITEM32(pci, cqe, trap_id, 0x08, 0, 10); /* pci_cqe_crc * Length include CRC. Indicates the length field includes * the packet's CRC. */ MLXSW_ITEM32(pci, cqe0, crc, 0x0C, 8, 1); MLXSW_ITEM32(pci, cqe12, crc, 0x0C, 9, 1); mlxsw_pci_cqe_item_helpers(crc, 0, 12, 12); /* pci_cqe_e * CQE with Error. */ MLXSW_ITEM32(pci, cqe0, e, 0x0C, 7, 1); MLXSW_ITEM32(pci, cqe12, e, 0x00, 27, 1); mlxsw_pci_cqe_item_helpers(e, 0, 12, 12); /* pci_cqe_sr * 1 - Send Queue * 0 - Receive Queue */ MLXSW_ITEM32(pci, cqe0, sr, 0x0C, 6, 1); MLXSW_ITEM32(pci, cqe12, sr, 0x00, 26, 1); mlxsw_pci_cqe_item_helpers(sr, 0, 12, 12); /* pci_cqe_dqn * Descriptor Queue (DQ) Number. */ MLXSW_ITEM32(pci, cqe0, dqn, 0x0C, 1, 5); MLXSW_ITEM32(pci, cqe12, dqn, 0x0C, 1, 6); mlxsw_pci_cqe_item_helpers(dqn, 0, 12, 12); /* pci_cqe_time_stamp_low * Time stamp of the CQE * Format according to time_stamp_type: * 0: uSec - 1.024uSec (default for devices which do not support * time_stamp_type). Only bits 15:0 are valid * 1: FRC - Free Running Clock - units of 1nSec * 2: UTC - time_stamp[37:30] = Sec * - time_stamp[29:0] = nSec * 3: Mirror_UTC. UTC time stamp of the original packet that has * MIRROR_SESSION traps * - time_stamp[37:30] = Sec * - time_stamp[29:0] = nSec * Formats 0..2 are configured by * CONFIG_PROFILE.cqe_time_stamp_type for PTP traps * Format 3 is used for MIRROR_SESSION traps * Note that Spectrum does not reveal FRC, UTC and Mirror_UTC */ MLXSW_ITEM32(pci, cqe2, time_stamp_low, 0x0C, 16, 16); #define MLXSW_PCI_CQE2_MIRROR_TCLASS_INVALID … /* pci_cqe_mirror_tclass * The egress traffic class of the original packet that does mirroring to the * CPU. Value of 0x1F means that the traffic class is invalid. */ MLXSW_ITEM32(pci, cqe2, mirror_tclass, 0x10, 27, 5); /* pci_cqe_tx_lag * The Tx port of a packet that is mirrored / sampled to the CPU is a LAG. */ MLXSW_ITEM32(pci, cqe2, tx_lag, 0x10, 24, 1); /* pci_cqe_tx_lag_subport * The port index within the LAG of a packet that is mirrored / sampled to the * CPU. Reserved when tx_lag is 0. */ MLXSW_ITEM32(pci, cqe2, tx_lag_subport, 0x10, 16, 8); #define MLXSW_PCI_CQE2_TX_PORT_MULTI_PORT … #define MLXSW_PCI_CQE2_TX_PORT_INVALID … /* pci_cqe_tx_lag_id * The Tx LAG ID of the original packet that is mirrored / sampled to the CPU. * Value of 0xFFFE means multi-port. Value fo 0xFFFF means that the Tx LAG ID * is invalid. Reserved when tx_lag is 0. */ MLXSW_ITEM32(pci, cqe2, tx_lag_id, 0x10, 0, 16); /* pci_cqe_tx_system_port * The Tx port of the original packet that is mirrored / sampled to the CPU. * Value of 0xFFFE means multi-port. Value fo 0xFFFF means that the Tx port is * invalid. Reserved when tx_lag is 1. */ MLXSW_ITEM32(pci, cqe2, tx_system_port, 0x10, 0, 16); /* pci_cqe_mirror_cong_low * Congestion level in units of 8KB of the egress traffic class of the original * packet that does mirroring to the CPU. Value of 0xFFFF means that the * congestion level is invalid. */ MLXSW_ITEM32(pci, cqe2, mirror_cong_low, 0x14, 20, 12); #define MLXSW_PCI_CQE2_MIRROR_CONG_SHIFT … static inline u16 mlxsw_pci_cqe2_mirror_cong_get(const char *cqe) { … } /* pci_cqe_user_def_val_orig_pkt_len * When trap_id is an ACL: User defined value from policy engine action. */ MLXSW_ITEM32(pci, cqe2, user_def_val_orig_pkt_len, 0x14, 0, 20); /* pci_cqe_mirror_reason * Mirror reason. */ MLXSW_ITEM32(pci, cqe2, mirror_reason, 0x18, 24, 8); enum mlxsw_pci_cqe_time_stamp_type { … }; /* pci_cqe_time_stamp_type * Time stamp type: * 0: uSec - 1.024uSec (default for devices which do not support * time_stamp_type) * 1: FRC - Free Running Clock - units of 1nSec * 2: UTC * 3: Mirror_UTC. UTC time stamp of the original packet that has * MIRROR_SESSION traps */ MLXSW_ITEM32(pci, cqe2, time_stamp_type, 0x18, 22, 2); #define MLXSW_PCI_CQE2_MIRROR_LATENCY_INVALID … /* pci_cqe_time_stamp_high * Time stamp of the CQE * Format according to time_stamp_type: * 0: uSec - 1.024uSec (default for devices which do not support * time_stamp_type). Only bits 15:0 are valid * 1: FRC - Free Running Clock - units of 1nSec * 2: UTC - time_stamp[37:30] = Sec * - time_stamp[29:0] = nSec * 3: Mirror_UTC. UTC time stamp of the original packet that has * MIRROR_SESSION traps * - time_stamp[37:30] = Sec * - time_stamp[29:0] = nSec * Formats 0..2 are configured by * CONFIG_PROFILE.cqe_time_stamp_type for PTP traps * Format 3 is used for MIRROR_SESSION traps * Note that Spectrum does not reveal FRC, UTC and Mirror_UTC */ MLXSW_ITEM32(pci, cqe2, time_stamp_high, 0x18, 0, 22); static inline u64 mlxsw_pci_cqe2_time_stamp_get(const char *cqe) { … } static inline u8 mlxsw_pci_cqe2_time_stamp_sec_get(const char *cqe) { … } static inline u32 mlxsw_pci_cqe2_time_stamp_nsec_get(const char *cqe) { … } /* pci_cqe_mirror_latency * End-to-end latency of the original packet that does mirroring to the CPU. * Value of 0xFFFFFF means that the latency is invalid. Units are according to * MOGCR.mirror_latency_units. */ MLXSW_ITEM32(pci, cqe2, mirror_latency, 0x1C, 8, 24); /* pci_cqe_owner * Ownership bit. */ MLXSW_ITEM32(pci, cqe01, owner, 0x0C, 0, 1); MLXSW_ITEM32(pci, cqe2, owner, 0x1C, 0, 1); mlxsw_pci_cqe_item_helpers(owner, 01, 01, 2); /* pci_eqe_event_type * Event type. */ MLXSW_ITEM32(pci, eqe, event_type, 0x0C, 24, 8); #define MLXSW_PCI_EQE_EVENT_TYPE_COMP … #define MLXSW_PCI_EQE_EVENT_TYPE_CMD … /* pci_eqe_event_sub_type * Event type. */ MLXSW_ITEM32(pci, eqe, event_sub_type, 0x0C, 16, 8); /* pci_eqe_cqn * Completion Queue that triggered this EQE. */ MLXSW_ITEM32(pci, eqe, cqn, 0x0C, 8, 7); /* pci_eqe_owner * Ownership bit. */ MLXSW_ITEM32(pci, eqe, owner, 0x0C, 0, 1); /* pci_eqe_cmd_token * Command completion event - token */ MLXSW_ITEM32(pci, eqe, cmd_token, 0x00, 16, 16); /* pci_eqe_cmd_status * Command completion event - status */ MLXSW_ITEM32(pci, eqe, cmd_status, 0x00, 0, 8); /* pci_eqe_cmd_out_param_h * Command completion event - output parameter - higher part */ MLXSW_ITEM32(pci, eqe, cmd_out_param_h, 0x04, 0, 32); /* pci_eqe_cmd_out_param_l * Command completion event - output parameter - lower part */ MLXSW_ITEM32(pci, eqe, cmd_out_param_l, 0x08, 0, 32); #endif
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