c8eaa414c4
- New firmware version for MPU (Mbuf Prefetch Unit) - Remove device-level global operations - Remove ark_mpu_reset_stats function Signed-off-by: Ed Czeck <ed.czeck@atomicrules.com>
125 lines
2.6 KiB
C
125 lines
2.6 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright (c) 2015-2018 Atomic Rules LLC
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*/
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#include <unistd.h>
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#include "ark_logs.h"
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#include "ark_mpu.h"
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uint16_t
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ark_api_num_queues(struct ark_mpu_t *mpu)
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{
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return mpu->hw.num_queues;
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}
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uint16_t
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ark_api_num_queues_per_port(struct ark_mpu_t *mpu, uint16_t ark_ports)
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{
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return mpu->hw.num_queues / ark_ports;
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}
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int
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ark_mpu_verify(struct ark_mpu_t *mpu, uint32_t obj_size)
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{
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uint32_t version;
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version = mpu->id.vernum;
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if (mpu->id.idnum != ARK_MPU_MODID ||
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version != ARK_MPU_MODVER ||
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mpu->hw.obj_size != obj_size) {
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ARK_PMD_LOG(ERR,
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" MPU module not found as expected %08x"
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" \"%c%c%c%c %c%c%c%c\"\n",
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mpu->id.idnum,
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mpu->id.id[0], mpu->id.id[1],
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mpu->id.id[2], mpu->id.id[3],
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mpu->id.ver[0], mpu->id.ver[1],
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mpu->id.ver[2], mpu->id.ver[3]);
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ARK_PMD_LOG(ERR,
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" MPU HW num_queues: %u hw_depth %u,"
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" obj_size: %u, obj_per_mrr: %u"
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" Expected size %u\n",
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mpu->hw.num_queues,
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mpu->hw.hw_depth,
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mpu->hw.obj_size,
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mpu->hw.obj_per_mrr,
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obj_size);
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return -1;
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}
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return 0;
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}
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void
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ark_mpu_stop(struct ark_mpu_t *mpu)
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{
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mpu->cfg.command = MPU_CMD_STOP;
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}
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void
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ark_mpu_start(struct ark_mpu_t *mpu)
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{
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mpu->cfg.command = MPU_CMD_RUN;
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}
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int
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ark_mpu_reset(struct ark_mpu_t *mpu)
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{
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int cnt = 0;
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mpu->cfg.command = MPU_CMD_RESET;
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rte_wmb();
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while (mpu->cfg.command != MPU_CMD_IDLE) {
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if (cnt++ > 1000)
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break;
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usleep(10);
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}
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if (mpu->cfg.command != MPU_CMD_IDLE) {
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mpu->cfg.command = MPU_CMD_FORCE_RESET;
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usleep(10);
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}
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return mpu->cfg.command != MPU_CMD_IDLE;
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}
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int
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ark_mpu_configure(struct ark_mpu_t *mpu, rte_iova_t ring, uint32_t ring_size,
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int is_tx)
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{
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ark_mpu_reset(mpu);
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if (!rte_is_power_of_2(ring_size)) {
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ARK_PMD_LOG(ERR, "Invalid ring size for MPU %d\n",
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ring_size);
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return -1;
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}
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mpu->cfg.ring_base = ring;
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mpu->cfg.ring_size = ring_size;
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mpu->cfg.ring_mask = ring_size - 1;
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mpu->cfg.min_host_move = is_tx ? 1 : mpu->hw.obj_per_mrr;
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mpu->cfg.min_hw_move = mpu->hw.obj_per_mrr;
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mpu->cfg.sw_prod_index = 0;
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mpu->cfg.hw_cons_index = 0;
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return 0;
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}
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void
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ark_mpu_dump(struct ark_mpu_t *mpu, const char *code, uint16_t qid)
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{
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/* DUMP to see that we have started */
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ARK_PMD_LOG(DEBUG, "MPU: %s Q: %3u sw_prod %u, hw_cons: %u\n",
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code, qid,
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mpu->cfg.sw_prod_index, mpu->cfg.hw_cons_index);
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}
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void
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ark_mpu_dump_setup(struct ark_mpu_t *mpu, uint16_t q_id)
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{
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ARK_PMD_LOG(DEBUG, "MPU Setup Q: %u"
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ARK_SU64X "\n",
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q_id,
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"ring_base", mpu->cfg.ring_base
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);
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}
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