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linux-headers-6.8.0-36
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arch
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octeon
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cvmx-config.h
/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __CVMX_CONFIG_H__ #define __CVMX_CONFIG_H__ /************************* Config Specific Defines ************************/ #define CVMX_LLM_NUM_PORTS 1 #define CVMX_NULL_POINTER_PROTECT 1 #define CVMX_ENABLE_DEBUG_PRINTS 1 /* PKO queues per port for interface 0 (ports 0-15) */ #define CVMX_PKO_QUEUES_PER_PORT_INTERFACE0 1 /* PKO queues per port for interface 1 (ports 16-31) */ #define CVMX_PKO_QUEUES_PER_PORT_INTERFACE1 1 /* Limit on the number of PKO ports enabled for interface 0 */ #define CVMX_PKO_MAX_PORTS_INTERFACE0 CVMX_HELPER_PKO_MAX_PORTS_INTERFACE0 /* Limit on the number of PKO ports enabled for interface 1 */ #define CVMX_PKO_MAX_PORTS_INTERFACE1 CVMX_HELPER_PKO_MAX_PORTS_INTERFACE1 /* PKO queues per port for PCI (ports 32-35) */ #define CVMX_PKO_QUEUES_PER_PORT_PCI 1 /* PKO queues per port for Loop devices (ports 36-39) */ #define CVMX_PKO_QUEUES_PER_PORT_LOOP 1 /************************* FPA allocation *********************************/ /* Pool sizes in bytes, must be multiple of a cache line */ #define CVMX_FPA_POOL_0_SIZE (16 * CVMX_CACHE_LINE_SIZE) #define CVMX_FPA_POOL_1_SIZE (1 * CVMX_CACHE_LINE_SIZE) #define CVMX_FPA_POOL_2_SIZE (8 * CVMX_CACHE_LINE_SIZE) #define CVMX_FPA_POOL_3_SIZE (0 * CVMX_CACHE_LINE_SIZE) #define CVMX_FPA_POOL_4_SIZE (0 * CVMX_CACHE_LINE_SIZE) #define CVMX_FPA_POOL_5_SIZE (0 * CVMX_CACHE_LINE_SIZE) #define CVMX_FPA_POOL_6_SIZE (0 * CVMX_CACHE_LINE_SIZE) #define CVMX_FPA_POOL_7_SIZE (0 * CVMX_CACHE_LINE_SIZE) /* Pools in use */ /* Packet buffers */ #define CVMX_FPA_PACKET_POOL (0) #define CVMX_FPA_PACKET_POOL_SIZE CVMX_FPA_POOL_0_SIZE /* Work queue entries */ #define CVMX_FPA_WQE_POOL (1) #define CVMX_FPA_WQE_POOL_SIZE CVMX_FPA_POOL_1_SIZE /* PKO queue command buffers */ #define CVMX_FPA_OUTPUT_BUFFER_POOL (2) #define CVMX_FPA_OUTPUT_BUFFER_POOL_SIZE CVMX_FPA_POOL_2_SIZE /************************* FAU allocation ********************************/ /* The fetch and add registers are allocated here. They are arranged * in order of descending size so that all alignment constraints are * automatically met. The enums are linked so that the following enum * continues allocating where the previous one left off, so the * numbering within each enum always starts with zero. The macros * take care of the address increment size, so the values entered * always increase by 1. FAU registers are accessed with byte * addresses. */ #define CVMX_FAU_REG_64_ADDR(x) ((x << 3) + CVMX_FAU_REG_64_START) typedef enum { CVMX_FAU_REG_64_START = 0, CVMX_FAU_REG_64_END = CVMX_FAU_REG_64_ADDR(0), } cvmx_fau_reg_64_t; #define CVMX_FAU_REG_32_ADDR(x) ((x << 2) + CVMX_FAU_REG_32_START) typedef enum { CVMX_FAU_REG_32_START = CVMX_FAU_REG_64_END, CVMX_FAU_REG_32_END = CVMX_FAU_REG_32_ADDR(0), } cvmx_fau_reg_32_t; #define CVMX_FAU_REG_16_ADDR(x) ((x << 1) + CVMX_FAU_REG_16_START) typedef enum { CVMX_FAU_REG_16_START = CVMX_FAU_REG_32_END, CVMX_FAU_REG_16_END = CVMX_FAU_REG_16_ADDR(0), } cvmx_fau_reg_16_t; #define CVMX_FAU_REG_8_ADDR(x) ((x) + CVMX_FAU_REG_8_START) typedef enum { CVMX_FAU_REG_8_START = CVMX_FAU_REG_16_END, CVMX_FAU_REG_8_END = CVMX_FAU_REG_8_ADDR(0), } cvmx_fau_reg_8_t; /* * The name CVMX_FAU_REG_AVAIL_BASE is provided to indicate the first * available FAU address that is not allocated in cvmx-config.h. This * is 64 bit aligned. */ #define CVMX_FAU_REG_AVAIL_BASE ((CVMX_FAU_REG_8_END + 0x7) & (~0x7ULL)) #define CVMX_FAU_REG_END (2048) /********************** scratch memory allocation *************************/ /* Scratchpad memory allocation. Note that these are byte memory * addresses. Some uses of scratchpad (IOBDMA for example) require * the use of 8-byte aligned addresses, so proper alignment needs to * be taken into account. */ /* Generic scratch iobdma area */ #define CVMX_SCR_SCRATCH (0) /* First location available after cvmx-config.h allocated region. */ #define CVMX_SCR_REG_AVAIL_BASE (8) /* * CVMX_HELPER_FIRST_MBUFF_SKIP is the number of bytes to reserve * before the beginning of the packet. If necessary, override the * default here. See the IPD section of the hardware manual for MBUFF * SKIP details. */ #define CVMX_HELPER_FIRST_MBUFF_SKIP 184 /* * CVMX_HELPER_NOT_FIRST_MBUFF_SKIP is the number of bytes to reserve * in each chained packet element. If necessary, override the default * here. */ #define CVMX_HELPER_NOT_FIRST_MBUFF_SKIP 0 /* * CVMX_HELPER_ENABLE_BACK_PRESSURE controls whether back pressure is * enabled for all input ports. This controls if IPD sends * backpressure to all ports if Octeon's FPA pools don't have enough * packet or work queue entries. Even when this is off, it is still * possible to get backpressure from individual hardware ports. When * configuring backpressure, also check * CVMX_HELPER_DISABLE_*_BACKPRESSURE below. If necessary, override * the default here. */ #define CVMX_HELPER_ENABLE_BACK_PRESSURE 1 /* * CVMX_HELPER_ENABLE_IPD controls if the IPD is enabled in the helper * function. Once it is enabled the hardware starts accepting * packets. You might want to skip the IPD enable if configuration * changes are need from the default helper setup. If necessary, * override the default here. */ #define CVMX_HELPER_ENABLE_IPD 0 /* * CVMX_HELPER_INPUT_TAG_TYPE selects the type of tag that the IPD assigns * to incoming packets. */ #define CVMX_HELPER_INPUT_TAG_TYPE CVMX_POW_TAG_TYPE_ORDERED #define CVMX_ENABLE_PARAMETER_CHECKING 0 /* * The following select which fields are used by the PIP to generate * the tag on INPUT * 0: don't include * 1: include */ #define CVMX_HELPER_INPUT_TAG_IPV6_SRC_IP 0 #define CVMX_HELPER_INPUT_TAG_IPV6_DST_IP 0 #define CVMX_HELPER_INPUT_TAG_IPV6_SRC_PORT 0 #define CVMX_HELPER_INPUT_TAG_IPV6_DST_PORT 0 #define CVMX_HELPER_INPUT_TAG_IPV6_NEXT_HEADER 0 #define CVMX_HELPER_INPUT_TAG_IPV4_SRC_IP 0 #define CVMX_HELPER_INPUT_TAG_IPV4_DST_IP 0 #define CVMX_HELPER_INPUT_TAG_IPV4_SRC_PORT 0 #define CVMX_HELPER_INPUT_TAG_IPV4_DST_PORT 0 #define CVMX_HELPER_INPUT_TAG_IPV4_PROTOCOL 0 #define CVMX_HELPER_INPUT_TAG_INPUT_PORT 1 /* Select skip mode for input ports */ #define CVMX_HELPER_INPUT_PORT_SKIP_MODE CVMX_PIP_PORT_CFG_MODE_SKIPL2 /* * Force backpressure to be disabled. This overrides all other * backpressure configuration. */ #define CVMX_HELPER_DISABLE_RGMII_BACKPRESSURE 0 #endif /* __CVMX_CONFIG_H__ */
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