From b33ccdb17f55ec25cb35cf0008937ff840a08733 Mon Sep 17 00:00:00 2001 From: Ed Czeck Date: Tue, 4 Apr 2017 15:50:40 -0400 Subject: [PATCH] net/ark: provide API for hardware modules MPU RQP and pktdir Provide C-level interface for Arkville's internal HW resources MPU, (Memory Prefetch Unit) pktdir (Packet director), and RQP (Request Pacer) modules Signed-off-by: Ed Czeck --- drivers/net/ark/Makefile | 3 + drivers/net/ark/ark_mpu.c | 181 +++++++++++++++++++++++++++++++++++ drivers/net/ark/ark_mpu.h | 154 +++++++++++++++++++++++++++++ drivers/net/ark/ark_pktdir.c | 80 ++++++++++++++++ drivers/net/ark/ark_pktdir.h | 70 ++++++++++++++ drivers/net/ark/ark_rqp.c | 91 ++++++++++++++++++ drivers/net/ark/ark_rqp.h | 84 ++++++++++++++++ 7 files changed, 663 insertions(+) create mode 100644 drivers/net/ark/ark_mpu.c create mode 100644 drivers/net/ark/ark_mpu.h create mode 100644 drivers/net/ark/ark_pktdir.c create mode 100644 drivers/net/ark/ark_pktdir.h create mode 100644 drivers/net/ark/ark_rqp.c create mode 100644 drivers/net/ark/ark_rqp.h diff --git a/drivers/net/ark/Makefile b/drivers/net/ark/Makefile index a4e03ab0e6..ea625dbf91 100644 --- a/drivers/net/ark/Makefile +++ b/drivers/net/ark/Makefile @@ -47,6 +47,9 @@ LIBABIVER := 1 # all source are stored in SRCS-y # SRCS-$(CONFIG_RTE_LIBRTE_ARK_PMD) += ark_ethdev.c +SRCS-$(CONFIG_RTE_LIBRTE_ARK_PMD) += ark_mpu.c +SRCS-$(CONFIG_RTE_LIBRTE_ARK_PMD) += ark_pktdir.c +SRCS-$(CONFIG_RTE_LIBRTE_ARK_PMD) += ark_rqp.c # this lib depends upon: LDLIBS += -lpthread diff --git a/drivers/net/ark/ark_mpu.c b/drivers/net/ark/ark_mpu.c new file mode 100644 index 0000000000..cd2c0788f9 --- /dev/null +++ b/drivers/net/ark/ark_mpu.c @@ -0,0 +1,181 @@ +/*- + * BSD LICENSE + * + * Copyright (c) 2015-2017 Atomic Rules LLC + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of copyright holder nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include + +#include "ark_logs.h" +#include "ark_mpu.h" + +uint16_t +ark_api_num_queues(struct ark_mpu_t *mpu) +{ + return mpu->hw.num_queues; +} + +uint16_t +ark_api_num_queues_per_port(struct ark_mpu_t *mpu, uint16_t ark_ports) +{ + return mpu->hw.num_queues / ark_ports; +} + +int +ark_mpu_verify(struct ark_mpu_t *mpu, uint32_t obj_size) +{ + uint32_t version; + + version = mpu->id.vernum & 0x0000fF00; + if ((mpu->id.idnum != 0x2055504d) || + (mpu->hw.obj_size != obj_size) || + (version != 0x00003100)) { + PMD_DRV_LOG(ERR, + " MPU module not found as expected %08x" + " \"%c%c%c%c %c%c%c%c\"\n", + mpu->id.idnum, + mpu->id.id[0], mpu->id.id[1], + mpu->id.id[2], mpu->id.id[3], + mpu->id.ver[0], mpu->id.ver[1], + mpu->id.ver[2], mpu->id.ver[3]); + PMD_DRV_LOG(ERR, + " MPU HW num_queues: %u hw_depth %u," + " obj_size: %u, obj_per_mrr: %u" + " Expected size %u\n", + mpu->hw.num_queues, + mpu->hw.hw_depth, + mpu->hw.obj_size, + mpu->hw.obj_per_mrr, + obj_size); + return -1; + } + return 0; +} + +void +ark_mpu_stop(struct ark_mpu_t *mpu) +{ + mpu->cfg.command = MPU_CMD_STOP; +} + +void +ark_mpu_start(struct ark_mpu_t *mpu) +{ + mpu->cfg.command = MPU_CMD_RUN; +} + +int +ark_mpu_reset(struct ark_mpu_t *mpu) +{ + int cnt = 0; + + mpu->cfg.command = MPU_CMD_RESET; + + while (mpu->cfg.command != MPU_CMD_IDLE) { + if (cnt++ > 1000) + break; + usleep(10); + } + if (mpu->cfg.command != MPU_CMD_IDLE) { + mpu->cfg.command = MPU_CMD_FORCE_RESET; + usleep(10); + } + ark_mpu_reset_stats(mpu); + return mpu->cfg.command != MPU_CMD_IDLE; +} + +void +ark_mpu_reset_stats(struct ark_mpu_t *mpu) +{ + mpu->stats.pci_request = 1; /* reset stats */ +} + +int +ark_mpu_configure(struct ark_mpu_t *mpu, phys_addr_t ring, uint32_t ring_size, + int is_tx) +{ + ark_mpu_reset(mpu); + + if (!rte_is_power_of_2(ring_size)) { + PMD_DRV_LOG(ERR, "ARK: Invalid ring size for MPU %d\n", + ring_size); + return -1; + } + + mpu->cfg.ring_base = ring; + mpu->cfg.ring_size = ring_size; + mpu->cfg.ring_mask = ring_size - 1; + mpu->cfg.min_host_move = is_tx ? 1 : mpu->hw.obj_per_mrr; + mpu->cfg.min_hw_move = mpu->hw.obj_per_mrr; + mpu->cfg.sw_prod_index = 0; + mpu->cfg.hw_cons_index = 0; + return 0; +} + +void +ark_mpu_dump(struct ark_mpu_t *mpu, const char *code, uint16_t qid) +{ + /* DUMP to see that we have started */ + PMD_DEBUG_LOG(DEBUG, "MPU: %s Q: %3u sw_prod %u, hw_cons: %u\n", + code, qid, + mpu->cfg.sw_prod_index, mpu->cfg.hw_cons_index); + PMD_DEBUG_LOG(DEBUG, "MPU: %s state: %d count %d, reserved %d" + " data 0x%08x_%08x 0x%08x_%08x\n", + code, + mpu->debug.state, mpu->debug.count, + mpu->debug.reserved, + mpu->debug.peek[1], + mpu->debug.peek[0], + mpu->debug.peek[3], + mpu->debug.peek[2] + ); + PMD_STATS_LOG(INFO, "MPU: %s Q: %3u" + ARK_SU64 ARK_SU64 ARK_SU64 ARK_SU64 + ARK_SU64 ARK_SU64 ARK_SU64 "\n", + code, qid, + "PCI Request:", mpu->stats.pci_request, + "Queue_empty", mpu->stats.q_empty, + "Queue_q1", mpu->stats.q_q1, + "Queue_q2", mpu->stats.q_q2, + "Queue_q3", mpu->stats.q_q3, + "Queue_q4", mpu->stats.q_q4, + "Queue_full", mpu->stats.q_full + ); +} + +void +ark_mpu_dump_setup(struct ark_mpu_t *mpu, uint16_t q_id) +{ + PMD_DEBUG_LOG(DEBUG, "MPU Setup Q: %u" + ARK_SU64X "\n", + q_id, + "ring_base", mpu->cfg.ring_base + ); +} diff --git a/drivers/net/ark/ark_mpu.h b/drivers/net/ark/ark_mpu.h new file mode 100644 index 0000000000..a0171dbd69 --- /dev/null +++ b/drivers/net/ark/ark_mpu.h @@ -0,0 +1,154 @@ +/*- + * BSD LICENSE + * + * Copyright (c) 2015-2017 Atomic Rules LLC + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of copyright holder nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _ARK_MPU_H_ +#define _ARK_MPU_H_ + +#include + +#include + +/* The MPU or Memory Prefetch Unit is an internal Arkville hardware + * module for moving data between host memory and the hardware FPGA. + * This module is *not* intended for end-user manipulation, hence + * there is minimal documentation. + */ + +/* + * MPU hardware structures + * These are overlay structures to a memory mapped FPGA device. These + * structs will never be instantiated in ram memory + */ + +#define ARK_MPU_ID 0x00 +struct ark_mpu_id_t { + union { + char id[4]; + uint32_t idnum; + }; + union { + char ver[4]; + uint32_t vernum; + }; + uint32_t phys_id; + uint32_t mrr_code; +}; + +#define ARK_MPU_HW 0x010 +struct ark_mpu_hw_t { + uint16_t num_queues; + uint16_t reserved; + uint32_t hw_depth; + uint32_t obj_size; + uint32_t obj_per_mrr; +}; + +#define ARK_MPU_CFG 0x040 +struct ark_mpu_cfg_t { + phys_addr_t ring_base; /* phys_addr_t is a uint64_t */ + uint32_t ring_size; + uint32_t ring_mask; + uint32_t min_host_move; + uint32_t min_hw_move; + volatile uint32_t sw_prod_index; + volatile uint32_t hw_cons_index; + volatile uint32_t command; +}; +enum ARK_MPU_COMMAND { + MPU_CMD_IDLE = 1, + MPU_CMD_RUN = 2, + MPU_CMD_STOP = 4, + MPU_CMD_RESET = 8, + MPU_CMD_FORCE_RESET = 16, + MPU_COMMAND_LIMIT = 0xfFFFFFFF +}; + +#define ARK_MPU_STATS 0x080 +struct ark_mpu_stats_t { + volatile uint64_t pci_request; + volatile uint64_t q_empty; + volatile uint64_t q_q1; + volatile uint64_t q_q2; + volatile uint64_t q_q3; + volatile uint64_t q_q4; + volatile uint64_t q_full; +}; + +#define ARK_MPU_DEBUG 0x0C0 +struct ark_mpu_debug_t { + volatile uint32_t state; + uint32_t reserved; + volatile uint32_t count; + volatile uint32_t take; + volatile uint32_t peek[4]; +}; + +/* Consolidated structure */ +struct ark_mpu_t { + struct ark_mpu_id_t id; + uint8_t reserved0[(ARK_MPU_HW - ARK_MPU_ID) + - sizeof(struct ark_mpu_id_t)]; + struct ark_mpu_hw_t hw; + uint8_t reserved1[(ARK_MPU_CFG - ARK_MPU_HW) - + sizeof(struct ark_mpu_hw_t)]; + struct ark_mpu_cfg_t cfg; + uint8_t reserved2[(ARK_MPU_STATS - ARK_MPU_CFG) - + sizeof(struct ark_mpu_cfg_t)]; + struct ark_mpu_stats_t stats; + uint8_t reserved3[(ARK_MPU_DEBUG - ARK_MPU_STATS) - + sizeof(struct ark_mpu_stats_t)]; + struct ark_mpu_debug_t debug; +}; + +uint16_t ark_api_num_queues(struct ark_mpu_t *mpu); +uint16_t ark_api_num_queues_per_port(struct ark_mpu_t *mpu, + uint16_t ark_ports); +int ark_mpu_verify(struct ark_mpu_t *mpu, uint32_t obj_size); +void ark_mpu_stop(struct ark_mpu_t *mpu); +void ark_mpu_start(struct ark_mpu_t *mpu); +int ark_mpu_reset(struct ark_mpu_t *mpu); +int ark_mpu_configure(struct ark_mpu_t *mpu, phys_addr_t ring, + uint32_t ring_size, int is_tx); + +void ark_mpu_dump(struct ark_mpu_t *mpu, const char *msg, uint16_t idx); +void ark_mpu_dump_setup(struct ark_mpu_t *mpu, uint16_t qid); +void ark_mpu_reset_stats(struct ark_mpu_t *mpu); + +/* this action is in a performance critical path */ +static inline void +ark_mpu_set_producer(struct ark_mpu_t *mpu, uint32_t idx) +{ + mpu->cfg.sw_prod_index = idx; +} + +#endif diff --git a/drivers/net/ark/ark_pktdir.c b/drivers/net/ark/ark_pktdir.c new file mode 100644 index 0000000000..66e5ce244d --- /dev/null +++ b/drivers/net/ark/ark_pktdir.c @@ -0,0 +1,80 @@ +/*- + * BSD LICENSE + * + * Copyright (c) 2015-2017 Atomic Rules LLC + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of copyright holder nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include +#include + +#include "ark_pktdir.h" +#include "ark_global.h" + + +ark_pkt_dir_t +ark_pktdir_init(void *base) +{ + struct ark_pkt_dir_inst *inst = + rte_malloc("ark_pkt_dir_inst", + sizeof(struct ark_pkt_dir_inst), + 0); + inst->regs = (struct ark_pkt_dir_regs *)base; + inst->regs->ctrl = 0x00110110; /* POR state */ + return inst; +} + +void +ark_pktdir_uninit(ark_pkt_dir_t handle) +{ + struct ark_pkt_dir_inst *inst = (struct ark_pkt_dir_inst *)handle; + + rte_free(inst); +} + +void +ark_pktdir_setup(ark_pkt_dir_t handle, uint32_t v) +{ + struct ark_pkt_dir_inst *inst = (struct ark_pkt_dir_inst *)handle; + inst->regs->ctrl = v; +} + +uint32_t +ark_pktdir_status(ark_pkt_dir_t handle) +{ + struct ark_pkt_dir_inst *inst = (struct ark_pkt_dir_inst *)handle; + return inst->regs->ctrl; +} + +uint32_t +ark_pktdir_stall_cnt(ark_pkt_dir_t handle) +{ + struct ark_pkt_dir_inst *inst = (struct ark_pkt_dir_inst *)handle; + return inst->regs->stall_cnt; +} diff --git a/drivers/net/ark/ark_pktdir.h b/drivers/net/ark/ark_pktdir.h new file mode 100644 index 0000000000..e13fe82102 --- /dev/null +++ b/drivers/net/ark/ark_pktdir.h @@ -0,0 +1,70 @@ +/*- + * BSD LICENSE + * + * Copyright (c) 2015-2017 Atomic Rules LLC + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of copyright holder nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _ARK_PKTDIR_H_ +#define _ARK_PKTDIR_H_ + +#include + +#define ARK_PKTDIR_BASE_ADR 0xa0000 + +typedef void *ark_pkt_dir_t; + + +/* The packet director is an internal Arkville hardware module for + * directing packet data in non-typical flows, such as testing. + * This module is *not* intended for end-user manipulation, hence + * there is minimal documentation. + */ + +/* + * This is an overlay structures to a memory mapped FPGA device. These + * structs will never be instantiated in ram memory + */ +struct ark_pkt_dir_regs { + uint32_t ctrl; + uint32_t status; + uint32_t stall_cnt; +} __attribute__ ((packed)); + +struct ark_pkt_dir_inst { + volatile struct ark_pkt_dir_regs *regs; +}; + +ark_pkt_dir_t ark_pktdir_init(void *base); +void ark_pktdir_uninit(ark_pkt_dir_t handle); +void ark_pktdir_setup(ark_pkt_dir_t handle, uint32_t v); +uint32_t ark_pktdir_stall_cnt(ark_pkt_dir_t handle); +uint32_t ark_pktdir_status(ark_pkt_dir_t handle); + +#endif diff --git a/drivers/net/ark/ark_rqp.c b/drivers/net/ark/ark_rqp.c new file mode 100644 index 0000000000..59d9b8a2a3 --- /dev/null +++ b/drivers/net/ark/ark_rqp.c @@ -0,0 +1,91 @@ +/*- + * BSD LICENSE + * + * Copyright (c) 2015-2017 Atomic Rules LLC + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of copyright holder nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include + +#include "ark_rqp.h" +#include "ark_logs.h" + +/* ************************************************************************* */ +void +ark_rqp_stats_reset(struct ark_rqpace_t *rqp) +{ + rqp->stats_clear = 1; + /* POR 992 */ + /* rqp->cpld_max = 992; */ + /* POR 64 */ + /* rqp->cplh_max = 64; */ +} + +/* ************************************************************************* */ +void +ark_rqp_dump(struct ark_rqpace_t *rqp) +{ + if (rqp->err_count_other != 0) + PMD_DRV_LOG(ERR, + "RQP Errors noted: ctrl: %d cplh_hmax %d cpld_max %d" + ARK_SU32 + ARK_SU32 "\n", + rqp->ctrl, rqp->cplh_max, rqp->cpld_max, + "Error Count", rqp->err_cnt, + "Error General", rqp->err_count_other); + + PMD_STATS_LOG(INFO, "RQP Dump: ctrl: %d cplh_hmax %d cpld_max %d" + ARK_SU32 + ARK_SU32 ARK_SU32 ARK_SU32 ARK_SU32 ARK_SU32 ARK_SU32 + ARK_SU32 ARK_SU32 ARK_SU32 ARK_SU32 ARK_SU32 ARK_SU32 + ARK_SU32 ARK_SU32 ARK_SU32 + ARK_SU32 ARK_SU32 ARK_SU32 ARK_SU32 ARK_SU32 "\n", + rqp->ctrl, rqp->cplh_max, rqp->cpld_max, + "Error Count", rqp->err_cnt, + "Error General", rqp->err_count_other, + "stall_pS", rqp->stall_ps, + "stall_pS Min", rqp->stall_ps_min, + "stall_pS Max", rqp->stall_ps_max, + "req_pS", rqp->req_ps, + "req_pS Min", rqp->req_ps_min, + "req_pS Max", rqp->req_ps_max, + "req_dWPS", rqp->req_dw_ps, + "req_dWPS Min", rqp->req_dw_ps_min, + "req_dWPS Max", rqp->req_dw_ps_max, + "cpl_pS", rqp->cpl_ps, + "cpl_pS Min", rqp->cpl_ps_min, + "cpl_pS Max", rqp->cpl_ps_max, + "cpl_dWPS", rqp->cpl_dw_ps, + "cpl_dWPS Min", rqp->cpl_dw_ps_min, + "cpl_dWPS Max", rqp->cpl_dw_ps_max, + "cplh pending", rqp->cplh_pending, + "cpld pending", rqp->cpld_pending, + "cplh pending max", rqp->cplh_pending_max, + "cpld pending max", rqp->cpld_pending_max); +} diff --git a/drivers/net/ark/ark_rqp.h b/drivers/net/ark/ark_rqp.h new file mode 100644 index 0000000000..995fc20fb6 --- /dev/null +++ b/drivers/net/ark/ark_rqp.h @@ -0,0 +1,84 @@ +/*- + * BSD LICENSE + * + * Copyright (c) 2015-2017 Atomic Rules LLC + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of copyright holder nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _ARK_RQP_H_ +#define _ARK_RQP_H_ + +#include + +#include + +/* The RQP or ReQuest Pacer is an internal Arkville hardware module + * which limits the PCIE data flow to insure correct operation for the + * particular hardware PCIE endpoint. + * This module is *not* intended for end-user manipulation, hence + * there is minimal documentation. + */ + +/* + * RQ Pacing core hardware structure + * This is an overlay structures to a memory mapped FPGA device. These + * structs will never be instantiated in ram memory + */ +struct ark_rqpace_t { + volatile uint32_t ctrl; + volatile uint32_t stats_clear; + volatile uint32_t cplh_max; + volatile uint32_t cpld_max; + volatile uint32_t err_cnt; + volatile uint32_t stall_ps; + volatile uint32_t stall_ps_min; + volatile uint32_t stall_ps_max; + volatile uint32_t req_ps; + volatile uint32_t req_ps_min; + volatile uint32_t req_ps_max; + volatile uint32_t req_dw_ps; + volatile uint32_t req_dw_ps_min; + volatile uint32_t req_dw_ps_max; + volatile uint32_t cpl_ps; + volatile uint32_t cpl_ps_min; + volatile uint32_t cpl_ps_max; + volatile uint32_t cpl_dw_ps; + volatile uint32_t cpl_dw_ps_min; + volatile uint32_t cpl_dw_ps_max; + volatile uint32_t cplh_pending; + volatile uint32_t cpld_pending; + volatile uint32_t cplh_pending_max; + volatile uint32_t cpld_pending_max; + volatile uint32_t err_count_other; +}; + +void ark_rqp_dump(struct ark_rqpace_t *rqp); +void ark_rqp_stats_reset(struct ark_rqpace_t *rqp); + +#endif -- 2.20.1