/**********************************************************************
* Author: Cavium, Inc.
*
* Contact: [email protected]
* Please include "LiquidIO" in the subject.
*
* Copyright (c) 2003-2016 Cavium, Inc.
*
* This file is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License, Version 2, as
* published by the Free Software Foundation.
*
* This file is distributed in the hope that it will be useful, but
* AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or
* NONINFRINGEMENT. See the GNU General Public License for more details.
***********************************************************************/
/*! \file octeon_config.h
* \brief Host Driver: Configuration data structures for the host driver.
*/
#ifndef __OCTEON_CONFIG_H__
#define __OCTEON_CONFIG_H__
/*--------------------------CONFIG VALUES------------------------*/
/* The following macros affect the way the driver data structures
* are generated for Octeon devices.
* They can be modified.
*/
/* Maximum octeon devices defined as MAX_OCTEON_NICIF to support
* multiple(<= MAX_OCTEON_NICIF) Miniports
*/
#define MAX_OCTEON_NICIF 128
#define MAX_OCTEON_DEVICES MAX_OCTEON_NICIF
#define MAX_OCTEON_LINKS MAX_OCTEON_NICIF
#define MAX_OCTEON_MULTICAST_ADDR 32
#define MAX_OCTEON_FILL_COUNT 8
/* CN6xxx IQ configuration macros */
#define CN6XXX_MAX_INPUT_QUEUES 32
#define CN6XXX_MAX_IQ_DESCRIPTORS 2048
#define CN6XXX_DB_MIN 1
#define CN6XXX_DB_MAX 8
#define CN6XXX_DB_TIMEOUT 1
/* CN6xxx OQ configuration macros */
#define CN6XXX_MAX_OUTPUT_QUEUES 32
#define CN6XXX_MAX_OQ_DESCRIPTORS 2048
#define CN6XXX_OQ_BUF_SIZE 1664
#define CN6XXX_OQ_PKTSPER_INTR ((CN6XXX_MAX_OQ_DESCRIPTORS < 512) ? \
(CN6XXX_MAX_OQ_DESCRIPTORS / 4) : 128)
#define CN6XXX_OQ_REFIL_THRESHOLD ((CN6XXX_MAX_OQ_DESCRIPTORS < 512) ? \
(CN6XXX_MAX_OQ_DESCRIPTORS / 4) : 128)
#define CN6XXX_OQ_INTR_PKT 64
#define CN6XXX_OQ_INTR_TIME 100
#define DEFAULT_NUM_NIC_PORTS_66XX 2
#define DEFAULT_NUM_NIC_PORTS_68XX 4
#define DEFAULT_NUM_NIC_PORTS_68XX_210NV 2
/* CN23xx IQ configuration macros */
#define CN23XX_MAX_VFS_PER_PF_PASS_1_0 8
#define CN23XX_MAX_VFS_PER_PF_PASS_1_1 31
#define CN23XX_MAX_VFS_PER_PF 63
#define CN23XX_MAX_RINGS_PER_VF 8
#define CN23XX_MAX_RINGS_PER_PF_PASS_1_0 12
#define CN23XX_MAX_RINGS_PER_PF_PASS_1_1 32
#define CN23XX_MAX_RINGS_PER_PF 64
#define CN23XX_MAX_RINGS_PER_VF 8
#define CN23XX_MAX_INPUT_QUEUES CN23XX_MAX_RINGS_PER_PF
#define CN23XX_MAX_IQ_DESCRIPTORS 2048
#define CN23XX_DEFAULT_IQ_DESCRIPTORS 512
#define CN23XX_MIN_IQ_DESCRIPTORS 128
#define CN23XX_DB_MIN 1
#define CN23XX_DB_MAX 8
#define CN23XX_DB_TIMEOUT 1
#define CN23XX_MAX_OUTPUT_QUEUES CN23XX_MAX_RINGS_PER_PF
#define CN23XX_MAX_OQ_DESCRIPTORS 2048
#define CN23XX_DEFAULT_OQ_DESCRIPTORS 512
#define CN23XX_MIN_OQ_DESCRIPTORS 128
#define CN23XX_OQ_BUF_SIZE 1664
#define CN23XX_OQ_PKTSPER_INTR 128
/*#define CAVIUM_ONLY_CN23XX_RX_PERF*/
#define CN23XX_OQ_REFIL_THRESHOLD 16
#define CN23XX_OQ_INTR_PKT 64
#define CN23XX_OQ_INTR_TIME 100
#define DEFAULT_NUM_NIC_PORTS_23XX 1
#define CN23XX_CFG_IO_QUEUES CN23XX_MAX_RINGS_PER_PF
/* PEMs count */
#define CN23XX_MAX_MACS 4
#define CN23XX_DEF_IQ_INTR_THRESHOLD 32
#define CN23XX_DEF_IQ_INTR_BYTE_THRESHOLD (64 * 1024)
/* common OCTEON configuration macros */
#define CN6XXX_CFG_IO_QUEUES 32
#define OCTEON_32BYTE_INSTR 32
#define OCTEON_64BYTE_INSTR 64
#define OCTEON_MAX_BASE_IOQ 4
#define OCTEON_DMA_INTR_PKT 64
#define OCTEON_DMA_INTR_TIME 1000
#define MAX_TXQS_PER_INTF 8
#define MAX_RXQS_PER_INTF 8
#define DEF_TXQS_PER_INTF 4
#define DEF_RXQS_PER_INTF 4
#define INVALID_IOQ_NO 0xff
#define DEFAULT_POW_GRP 0
/* Macros to get octeon config params */
#define CFG_GET_IQ_CFG(cfg) ((cfg)->iq)
#define CFG_GET_IQ_MAX_Q(cfg) ((cfg)->iq.max_iqs)
#define CFG_GET_IQ_PENDING_LIST_SIZE(cfg) ((cfg)->iq.pending_list_size)
#define CFG_GET_IQ_INSTR_TYPE(cfg) ((cfg)->iq.instr_type)
#define CFG_GET_IQ_DB_MIN(cfg) ((cfg)->iq.db_min)
#define CFG_GET_IQ_DB_TIMEOUT(cfg) ((cfg)->iq.db_timeout)
#define CFG_GET_IQ_INTR_PKT(cfg) ((cfg)->iq.iq_intr_pkt)
#define CFG_SET_IQ_INTR_PKT(cfg, val) (cfg)->iq.iq_intr_pkt = val
#define CFG_GET_OQ_MAX_Q(cfg) ((cfg)->oq.max_oqs)
#define CFG_GET_OQ_PKTS_PER_INTR(cfg) ((cfg)->oq.pkts_per_intr)
#define CFG_GET_OQ_REFILL_THRESHOLD(cfg) ((cfg)->oq.refill_threshold)
#define CFG_GET_OQ_INTR_PKT(cfg) ((cfg)->oq.oq_intr_pkt)
#define CFG_GET_OQ_INTR_TIME(cfg) ((cfg)->oq.oq_intr_time)
#define CFG_SET_OQ_INTR_PKT(cfg, val) (cfg)->oq.oq_intr_pkt = val
#define CFG_SET_OQ_INTR_TIME(cfg, val) (cfg)->oq.oq_intr_time = val
#define CFG_GET_DMA_INTR_PKT(cfg) ((cfg)->dma.dma_intr_pkt)
#define CFG_GET_DMA_INTR_TIME(cfg) ((cfg)->dma.dma_intr_time)
#define CFG_GET_NUM_NIC_PORTS(cfg) ((cfg)->num_nic_ports)
#define CFG_GET_NUM_DEF_TX_DESCS(cfg) ((cfg)->num_def_tx_descs)
#define CFG_GET_NUM_DEF_RX_DESCS(cfg) ((cfg)->num_def_rx_descs)
#define CFG_GET_DEF_RX_BUF_SIZE(cfg) ((cfg)->def_rx_buf_size)
#define CFG_GET_MAX_TXQS_NIC_IF(cfg, idx) \
((cfg)->nic_if_cfg[idx].max_txqs)
#define CFG_GET_NUM_TXQS_NIC_IF(cfg, idx) \
((cfg)->nic_if_cfg[idx].num_txqs)
#define CFG_GET_MAX_RXQS_NIC_IF(cfg, idx) \
((cfg)->nic_if_cfg[idx].max_rxqs)
#define CFG_GET_NUM_RXQS_NIC_IF(cfg, idx) \
((cfg)->nic_if_cfg[idx].num_rxqs)
#define CFG_GET_NUM_RX_DESCS_NIC_IF(cfg, idx) \
((cfg)->nic_if_cfg[idx].num_rx_descs)
#define CFG_GET_NUM_TX_DESCS_NIC_IF(cfg, idx) \
((cfg)->nic_if_cfg[idx].num_tx_descs)
#define CFG_GET_NUM_RX_BUF_SIZE_NIC_IF(cfg, idx) \
((cfg)->nic_if_cfg[idx].rx_buf_size)
#define CFG_GET_BASE_QUE_NIC_IF(cfg, idx) \
((cfg)->nic_if_cfg[idx].base_queue)
#define CFG_GET_GMXID_NIC_IF(cfg, idx) \
((cfg)->nic_if_cfg[idx].gmx_port_id)
#define CFG_GET_CTRL_Q_GRP(cfg) ((cfg)->misc.ctrlq_grp)
#define CFG_GET_HOST_LINK_QUERY_INTERVAL(cfg) \
((cfg)->misc.host_link_query_interval)
#define CFG_GET_OCT_LINK_QUERY_INTERVAL(cfg) \
((cfg)->misc.oct_link_query_interval)
#define CFG_GET_IS_SLI_BP_ON(cfg) ((cfg)->misc.enable_sli_oq_bp)
#define CFG_SET_NUM_RX_DESCS_NIC_IF(cfg, idx, value) \
((cfg)->nic_if_cfg[idx].num_rx_descs = value)
#define CFG_SET_NUM_TX_DESCS_NIC_IF(cfg, idx, value) \
((cfg)->nic_if_cfg[idx].num_tx_descs = value)
/* Max IOQs per OCTEON Link */
#define MAX_IOQS_PER_NICIF 64
enum lio_card_type {
LIO_210SV = 0, /* Two port, 66xx */
LIO_210NV, /* Two port, 68xx */
LIO_410NV, /* Four port, 68xx */
LIO_23XX /* 23xx */
};
#define LIO_210SV_NAME "210sv"
#define LIO_210NV_NAME "210nv"
#define LIO_410NV_NAME "410nv"
#define LIO_23XX_NAME "23xx"
/** Structure to define the configuration attributes for each Input queue.
* Applicable to all Octeon processors
**/
struct octeon_iq_config {
#ifdef __BIG_ENDIAN_BITFIELD
u64 reserved:16;
/** Tx interrupt packets. Applicable to 23xx only */
u64 iq_intr_pkt:16;
/** Minimum ticks to wait before checking for pending instructions. */
u64 db_timeout:16;
/** Minimum number of commands pending to be posted to Octeon
* before driver hits the Input queue doorbell.
*/
u64 db_min:8;
/** Command size - 32 or 64 bytes */
u64 instr_type:32;
/** Pending list size (usually set to the sum of the size of all Input
* queues)
*/
u64 pending_list_size:32;
/* Max number of IQs available */
u64 max_iqs:8;
#else
/* Max number of IQs available */
u64 max_iqs:8;
/** Pending list size (usually set to the sum of the size of all Input
* queues)
*/
u64 pending_list_size:32;
/** Command size - 32 or 64 bytes */
u64 instr_type:32;
/** Minimum number of commands pending to be posted to Octeon
* before driver hits the Input queue doorbell.
*/
u64 db_min:8;
/** Minimum ticks to wait before checking for pending instructions. */
u64 db_timeout:16;
/** Tx interrupt packets. Applicable to 23xx only */
u64 iq_intr_pkt:16;
u64 reserved:16;
#endif
};
/** Structure to define the configuration attributes for each Output queue.
* Applicable to all Octeon processors
**/
struct octeon_oq_config {
#ifdef __BIG_ENDIAN_BITFIELD
u64 reserved:16;
u64 pkts_per_intr:16;
/** Interrupt Coalescing (Time Interval). Octeon will interrupt the
* host if atleast one packet was sent in the time interval specified
* by this field. The driver uses time interval interrupt coalescing
* by default. The time is specified in microseconds.
*/
u64 oq_intr_time:16;
/** Interrupt Coalescing (Packet Count). Octeon will interrupt the host
* only if it sent as many packets as specified by this field.
* The driver
* usually does not use packet count interrupt coalescing.
*/
u64 oq_intr_pkt:16;
/** The number of buffers that were consumed during packet processing by
* the driver on this Output queue before the driver attempts to
* replenish
* the descriptor ring with new buffers.
*/
u64 refill_threshold:16;
/* Max number of OQs available */
u64 max_oqs:8;
#else
/* Max number of OQs available */
u64 max_oqs:8;
/** The number of buffers that were consumed during packet processing by
* the driver on this Output queue before the driver attempts to
* replenish
* the descriptor ring with new buffers.
*/
u64 refill_threshold:16;
/** Interrupt Coalescing (Packet Count). Octeon will interrupt the host
* only if it sent as many packets as specified by this field.
* The driver
* usually does not use packet count interrupt coalescing.
*/
u64 oq_intr_pkt:16;
/** Interrupt Coalescing (Time Interval). Octeon will interrupt the
* host if atleast one packet was sent in the time interval specified
* by this field. The driver uses time interval interrupt coalescing
* by default. The time is specified in microseconds.
*/
u64 oq_intr_time:16;
u64 pkts_per_intr:16;
u64 reserved:16;
#endif
};
/** This structure conatins the NIC link configuration attributes,
* common for all the OCTEON Modles.
*/
struct octeon_nic_if_config {
#ifdef __BIG_ENDIAN_BITFIELD
u64 reserved:56;
u64 base_queue:16;
u64 gmx_port_id:8;
/* SKB size, We need not change buf size even for Jumbo frames.
* Octeon can send jumbo frames in 4 consecutive descriptors,
*/
u64 rx_buf_size:16;
/* Num of desc for tx rings */
u64 num_tx_descs:16;
/* Num of desc for rx rings */
u64 num_rx_descs:16;
/* Actual configured value. Range could be: 1...max_rxqs */
u64 num_rxqs:16;
/* Max Rxqs: Half for each of the two ports :max_oq/2 */
u64 max_rxqs:16;
/* Actual configured value. Range could be: 1...max_txqs */
u64 num_txqs:16;
/* Max Txqs: Half for each of the two ports :max_iq/2 */
u64 max_txqs:16;
#else
/* Max Txqs: Half for each of the two ports :max_iq/2 */
u64 max_txqs:16;
/* Actual configured value. Range could be: 1...max_txqs */
u64 num_txqs:16;
/* Max Rxqs: Half for each of the two ports :max_oq/2 */
u64 max_rxqs:16;
/* Actual configured value. Range could be: 1...max_rxqs */
u64 num_rxqs:16;
/* Num of desc for rx rings */
u64 num_rx_descs:16;
/* Num of desc for tx rings */
u64 num_tx_descs:16;
/* SKB size, We need not change buf size even for Jumbo frames.
* Octeon can send jumbo frames in 4 consecutive descriptors,
*/
u64 rx_buf_size:16;
u64 gmx_port_id:8;
u64 base_queue:16;
u64 reserved:56;
#endif
};
/** Structure to define the configuration attributes for meta data.
* Applicable to all Octeon processors.
*/
struct octeon_misc_config {
#ifdef __BIG_ENDIAN_BITFIELD
/** Host link status polling period */
u64 host_link_query_interval:32;
/** Oct link status polling period */
u64 oct_link_query_interval:32;
u64 enable_sli_oq_bp:1;
/** Control IQ Group */
u64 ctrlq_grp:4;
#else
/** Control IQ Group */
u64 ctrlq_grp:4;
/** BP for SLI OQ */
u64 enable_sli_oq_bp:1;
/** Host link status polling period */
u64 oct_link_query_interval:32;
/** Oct link status polling period */
u64 host_link_query_interval:32;
#endif
};
/** Structure to define the configuration for all OCTEON processors. */
struct octeon_config {
u16 card_type;
char *card_name;
/** Input Queue attributes. */
struct octeon_iq_config iq;
/** Output Queue attributes. */
struct octeon_oq_config oq;
/** NIC Port Configuration */
struct octeon_nic_if_config nic_if_cfg[MAX_OCTEON_NICIF];
/** Miscellaneous attributes */
struct octeon_misc_config misc;
int num_nic_ports;
int num_def_tx_descs;
/* Num of desc for rx rings */
int num_def_rx_descs;
int def_rx_buf_size;
};
/* The following config values are fixed and should not be modified. */
#define BAR1_INDEX_DYNAMIC_MAP 2
#define BAR1_INDEX_STATIC_MAP 15
#define OCTEON_BAR1_ENTRY_SIZE (4 * 1024 * 1024)
#define MAX_BAR1_IOREMAP_SIZE (16 * OCTEON_BAR1_ENTRY_SIZE)
/* Response lists - 1 ordered, 1 unordered-blocking, 1 unordered-nonblocking
* 1 process done list, 1 zombie lists(timeouted sc list)
* NoResponse Lists are now maintained with each IQ. (Dec' 2007).
*/
#define MAX_RESPONSE_LISTS 6
/* Opcode hash bits. The opcode is hashed on the lower 6-bits to lookup the
* dispatch table.
*/
#define OPCODE_MASK_BITS 6
/* Mask for the 6-bit lookup hash */
#define OCTEON_OPCODE_MASK 0x3f
/* Size of the dispatch table. The 6-bit hash can index into 2^6 entries */
#define DISPATCH_LIST_SIZE BIT(OPCODE_MASK_BITS)
/* Maximum number of Octeon Instruction (command) queues */
#define MAX_OCTEON_INSTR_QUEUES(oct) \
(OCTEON_CN23XX_PF(oct) ? CN23XX_MAX_INPUT_QUEUES : \
CN6XXX_MAX_INPUT_QUEUES)
/* Maximum number of Octeon Instruction (command) queues */
#define MAX_OCTEON_OUTPUT_QUEUES(oct) \
(OCTEON_CN23XX_PF(oct) ? CN23XX_MAX_OUTPUT_QUEUES : \
CN6XXX_MAX_OUTPUT_QUEUES)
#define MAX_POSSIBLE_OCTEON_INSTR_QUEUES CN23XX_MAX_INPUT_QUEUES
#define MAX_POSSIBLE_OCTEON_OUTPUT_QUEUES CN23XX_MAX_OUTPUT_QUEUES
#define MAX_POSSIBLE_VFS 64
#endif /* __OCTEON_CONFIG_H__ */
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