Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 416 insertions, 0 deletions

diff --git a/drivers/net/ethernet/mellanox/mlxsw/pci_hw.h b/drivers/net/ethernet/mellanox/mlxsw/pci_hw.h
new file mode 100644
index 0000000000..7cdf0ce24f
--- /dev/null
+++ b/drivers/net/ethernet/mellanox/mlxsw/pci_hw.h
@@ -0,0 +1,416 @@
+/* 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		(1024 * 1024) /* 1MB */
+#define MLXSW_PCI_PAGE_SIZE		4096
+
+#define MLXSW_PCI_CIR_BASE			0x71000
+#define MLXSW_PCI_CIR_IN_PARAM_HI		MLXSW_PCI_CIR_BASE
+#define MLXSW_PCI_CIR_IN_PARAM_LO		(MLXSW_PCI_CIR_BASE + 0x04)
+#define MLXSW_PCI_CIR_IN_MODIFIER		(MLXSW_PCI_CIR_BASE + 0x08)
+#define MLXSW_PCI_CIR_OUT_PARAM_HI		(MLXSW_PCI_CIR_BASE + 0x0C)
+#define MLXSW_PCI_CIR_OUT_PARAM_LO		(MLXSW_PCI_CIR_BASE + 0x10)
+#define MLXSW_PCI_CIR_TOKEN			(MLXSW_PCI_CIR_BASE + 0x14)
+#define MLXSW_PCI_CIR_CTRL			(MLXSW_PCI_CIR_BASE + 0x18)
+#define MLXSW_PCI_CIR_CTRL_GO_BIT		BIT(23)
+#define MLXSW_PCI_CIR_CTRL_EVREQ_BIT		BIT(22)
+#define MLXSW_PCI_CIR_CTRL_OPCODE_MOD_SHIFT	12
+#define MLXSW_PCI_CIR_CTRL_STATUS_SHIFT		24
+#define MLXSW_PCI_CIR_TIMEOUT_MSECS		1000
+
+#define MLXSW_PCI_SW_RESET_TIMEOUT_MSECS	900000
+#define MLXSW_PCI_SW_RESET_WAIT_MSECS		400
+#define MLXSW_PCI_FW_READY			0xA1844
+#define MLXSW_PCI_FW_READY_MASK			0xFFFF
+#define MLXSW_PCI_FW_READY_MAGIC		0x5E
+
+#define MLXSW_PCI_DOORBELL_SDQ_OFFSET		0x000
+#define MLXSW_PCI_DOORBELL_RDQ_OFFSET		0x200
+#define MLXSW_PCI_DOORBELL_CQ_OFFSET		0x400
+#define MLXSW_PCI_DOORBELL_EQ_OFFSET		0x600
+#define MLXSW_PCI_DOORBELL_ARM_CQ_OFFSET	0x800
+#define MLXSW_PCI_DOORBELL_ARM_EQ_OFFSET	0xA00
+
+#define MLXSW_PCI_DOORBELL(offset, type_offset, num)	\
+	((offset) + (type_offset) + (num) * 4)
+
+#define MLXSW_PCI_CQS_MAX	96
+#define MLXSW_PCI_EQS_COUNT	2
+#define MLXSW_PCI_EQ_ASYNC_NUM	0
+#define MLXSW_PCI_EQ_COMP_NUM	1
+
+#define MLXSW_PCI_SDQS_MIN	2 /* EMAD and control traffic */
+#define MLXSW_PCI_SDQ_EMAD_INDEX	0
+#define MLXSW_PCI_SDQ_EMAD_TC	0
+#define MLXSW_PCI_SDQ_CTL_TC	3
+
+#define MLXSW_PCI_AQ_PAGES	8
+#define MLXSW_PCI_AQ_SIZE	(MLXSW_PCI_PAGE_SIZE * MLXSW_PCI_AQ_PAGES)
+#define MLXSW_PCI_WQE_SIZE	32 /* 32 bytes per element */
+#define MLXSW_PCI_CQE01_SIZE	16 /* 16 bytes per element */
+#define MLXSW_PCI_CQE2_SIZE	32 /* 32 bytes per element */
+#define MLXSW_PCI_CQE_SIZE_MAX	MLXSW_PCI_CQE2_SIZE
+#define MLXSW_PCI_EQE_SIZE	16 /* 16 bytes per element */
+#define MLXSW_PCI_WQE_COUNT	(MLXSW_PCI_AQ_SIZE / MLXSW_PCI_WQE_SIZE)
+#define MLXSW_PCI_CQE01_COUNT	(MLXSW_PCI_AQ_SIZE / MLXSW_PCI_CQE01_SIZE)
+#define MLXSW_PCI_CQE2_COUNT	(MLXSW_PCI_AQ_SIZE / MLXSW_PCI_CQE2_SIZE)
+#define MLXSW_PCI_EQE_COUNT	(MLXSW_PCI_AQ_SIZE / MLXSW_PCI_EQE_SIZE)
+#define MLXSW_PCI_EQE_UPDATE_COUNT	0x80
+
+#define MLXSW_PCI_WQE_SG_ENTRIES	3
+#define MLXSW_PCI_WQE_TYPE_ETHERNET	0xA
+
+/* 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 {
+	MLXSW_PCI_CQE_V0,
+	MLXSW_PCI_CQE_V1,
+	MLXSW_PCI_CQE_V2,
+};
+
+#define mlxsw_pci_cqe_item_helpers(name, v0, v1, v2)				\
+static inline u32 mlxsw_pci_cqe_##name##_get(enum mlxsw_pci_cqe_v v, char *cqe)	\
+{										\
+	switch (v) {								\
+	default:								\
+	case MLXSW_PCI_CQE_V0:							\
+		return mlxsw_pci_cqe##v0##_##name##_get(cqe);			\
+	case MLXSW_PCI_CQE_V1:							\
+		return mlxsw_pci_cqe##v1##_##name##_get(cqe);			\
+	case MLXSW_PCI_CQE_V2:							\
+		return mlxsw_pci_cqe##v2##_##name##_get(cqe);			\
+	}									\
+}										\
+static inline void mlxsw_pci_cqe_##name##_set(enum mlxsw_pci_cqe_v v,		\
+					      char *cqe, u32 val)		\
+{										\
+	switch (v) {								\
+	default:								\
+	case MLXSW_PCI_CQE_V0:							\
+		mlxsw_pci_cqe##v0##_##name##_set(cqe, val);			\
+		break;								\
+	case MLXSW_PCI_CQE_V1:							\
+		mlxsw_pci_cqe##v1##_##name##_set(cqe, val);			\
+		break;								\
+	case MLXSW_PCI_CQE_V2:							\
+		mlxsw_pci_cqe##v2##_##name##_set(cqe, val);			\
+		break;								\
+	}									\
+}
+
+/* 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	0xFFFF
+
+/* 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	0x1F
+
+/* 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	0xFFFE
+#define MLXSW_PCI_CQE2_TX_PORT_INVALID		0xFFFF
+
+/* 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	13	/* Units of 8KB. */
+
+static inline u16 mlxsw_pci_cqe2_mirror_cong_get(const char *cqe)
+{
+	u16 cong_high = mlxsw_pci_cqe2_mirror_cong_high_get(cqe);
+	u16 cong_low = mlxsw_pci_cqe2_mirror_cong_low_get(cqe);
+
+	return cong_high << 12 | cong_low;
+}
+
+/* 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 {
+	MLXSW_PCI_CQE_TIME_STAMP_TYPE_USEC,
+	MLXSW_PCI_CQE_TIME_STAMP_TYPE_FRC,
+	MLXSW_PCI_CQE_TIME_STAMP_TYPE_UTC,
+	MLXSW_PCI_CQE_TIME_STAMP_TYPE_MIRROR_UTC,
+};
+
+/* 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	0xFFFFFF
+
+/* 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)
+{
+	u64 ts_high = mlxsw_pci_cqe2_time_stamp_high_get(cqe);
+	u64 ts_low = mlxsw_pci_cqe2_time_stamp_low_get(cqe);
+
+	return ts_high << 16 | ts_low;
+}
+
+static inline u8 mlxsw_pci_cqe2_time_stamp_sec_get(const char *cqe)
+{
+	u64 full_ts = mlxsw_pci_cqe2_time_stamp_get(cqe);
+
+	return full_ts >> 30 & 0xFF;
+}
+
+static inline u32 mlxsw_pci_cqe2_time_stamp_nsec_get(const char *cqe)
+{
+	u64 full_ts = mlxsw_pci_cqe2_time_stamp_get(cqe);
+
+	return full_ts & 0x3FFFFFFF;
+}
+
+/* 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	0x00
+#define MLXSW_PCI_EQE_EVENT_TYPE_CMD	0x0A
+
+/* 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