linux_dsm_epyc7002/drivers/net/ethernet/mellanox/mlxsw/pci_hw.h
Nir Dotan d2f372ba09 mlxsw: pci: Increase PCI SW reset timeout
Spectrum-2 PHY layer introduces a calibration period which is a part of the
Spectrum-2 firmware boot process. Hence increase the SW timeout waiting for
the firmware to come out of boot. This does not increase system boot time
in cases where the firmware PHY calibration process is done quickly.

Fixes: c3ab435466 ("mlxsw: spectrum: Extend to support Spectrum-2 ASIC")
Signed-off-by: Nir Dotan <nird@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-18 15:12:16 -08:00

255 lines
7.6 KiB
C

/* 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 0xF0010
#define MLXSW_PCI_SW_RESET_RST_BIT BIT(0)
#define MLXSW_PCI_SW_RESET_TIMEOUT_MSECS 13000
#define MLXSW_PCI_SW_RESET_WAIT_MSECS 100
#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_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);
/* pci_cqe_trap_id
* Trap ID that captured the packet.
*/
MLXSW_ITEM32(pci, cqe, trap_id, 0x08, 0, 9);
/* 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_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