--- /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
+ );
+}
Code Review / deb_dpdk.git / blobdiff