Orange Pi5 kernel

Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards

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^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2)  * Copyright (c) 2006 Oracle.  All rights reserved.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  * This software is available to you under a choice of one of two
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5)  * licenses.  You may choose to be licensed under the terms of the GNU
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6)  * General Public License (GPL) Version 2, available from the file
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7)  * COPYING in the main directory of this source tree, or the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8)  * OpenIB.org BSD license below:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10)  *     Redistribution and use in source and binary forms, with or
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11)  *     without modification, are permitted provided that the following
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12)  *     conditions are met:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14)  *      - Redistributions of source code must retain the above
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15)  *        copyright notice, this list of conditions and the following
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16)  *        disclaimer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18)  *      - Redistributions in binary form must reproduce the above
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19)  *        copyright notice, this list of conditions and the following
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20)  *        disclaimer in the documentation and/or other materials
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21)  *        provided with the distribution.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23)  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24)  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25)  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26)  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27)  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28)  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29)  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30)  * SOFTWARE.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) #include <linux/percpu.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) #include <linux/seq_file.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) #include <linux/proc_fs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) #include "rds.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) #include "ib.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) DEFINE_PER_CPU_SHARED_ALIGNED(struct rds_ib_statistics, rds_ib_stats);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) static const char *const rds_ib_stat_names[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) 	"ib_connect_raced",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) 	"ib_listen_closed_stale",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) 	"ib_evt_handler_call",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) 	"ib_tasklet_call",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) 	"ib_tx_cq_event",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) 	"ib_tx_ring_full",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) 	"ib_tx_throttle",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) 	"ib_tx_sg_mapping_failure",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) 	"ib_tx_stalled",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) 	"ib_tx_credit_updates",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) 	"ib_rx_cq_event",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) 	"ib_rx_ring_empty",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) 	"ib_rx_refill_from_cq",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 	"ib_rx_refill_from_thread",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) 	"ib_rx_alloc_limit",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) 	"ib_rx_total_frags",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 	"ib_rx_total_incs",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 	"ib_rx_credit_updates",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 	"ib_ack_sent",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 	"ib_ack_send_failure",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 	"ib_ack_send_delayed",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 	"ib_ack_send_piggybacked",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 	"ib_ack_received",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 	"ib_rdma_mr_8k_alloc",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) 	"ib_rdma_mr_8k_free",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) 	"ib_rdma_mr_8k_used",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) 	"ib_rdma_mr_8k_pool_flush",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 	"ib_rdma_mr_8k_pool_wait",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 	"ib_rdma_mr_8k_pool_depleted",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) 	"ib_rdma_mr_1m_alloc",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 	"ib_rdma_mr_1m_free",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 	"ib_rdma_mr_1m_used",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 	"ib_rdma_mr_1m_pool_flush",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 	"ib_rdma_mr_1m_pool_wait",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 	"ib_rdma_mr_1m_pool_depleted",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) 	"ib_rdma_mr_8k_reused",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 	"ib_rdma_mr_1m_reused",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 	"ib_atomic_cswp",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 	"ib_atomic_fadd",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) unsigned int rds_ib_stats_info_copy(struct rds_info_iterator *iter,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 				    unsigned int avail)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 	struct rds_ib_statistics stats = {0, };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 	uint64_t *src;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 	uint64_t *sum;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 	size_t i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 	int cpu;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 	if (avail < ARRAY_SIZE(rds_ib_stat_names))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 	for_each_online_cpu(cpu) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 		src = (uint64_t *)&(per_cpu(rds_ib_stats, cpu));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 		sum = (uint64_t *)&stats;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 		for (i = 0; i < sizeof(stats) / sizeof(uint64_t); i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 			*(sum++) += *(src++);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 	rds_stats_info_copy(iter, (uint64_t *)&stats, rds_ib_stat_names,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 			    ARRAY_SIZE(rds_ib_stat_names));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 	return ARRAY_SIZE(rds_ib_stat_names);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) }