drivers/staging/octeon/cvmx-config.h - linux - Git at Google

 #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 entrys */
 #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__ */
	#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 entrys */
	#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__ */