# 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
--- /dev/null
+/*-
+ * 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 <unistd.h>
+
+#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
+ );
+}
--- /dev/null
+/*-
+ * 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 <stdint.h>
+
+#include <rte_memory.h>
+
+/* 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
--- /dev/null
+/*-
+ * 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 <stdint.h>
+#include <inttypes.h>
+
+#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;
+}
--- /dev/null
+/*-
+ * 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 <stdint.h>
+
+#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
--- /dev/null
+/*-
+ * 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 <unistd.h>
+
+#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);
+}
--- /dev/null
+/*-
+ * 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 <stdint.h>
+
+#include <rte_memory.h>
+
+/* 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