^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /* Copyright (c) Rockchip Electronics Co., Ltd. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) #include <linux/clk.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) #include <linux/proc_fs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) #include <linux/sem.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) #include <linux/seq_file.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include "procfs.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #ifdef CONFIG_PROC_FS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) static const char *alg_type2name[ALG_TYPE_MAX] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) [ALG_TYPE_HASH] = "HASH",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) [ALG_TYPE_HMAC] = "HMAC",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) [ALG_TYPE_CIPHER] = "CIPHER",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) [ALG_TYPE_ASYM] = "ASYM",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) [ALG_TYPE_AEAD] = "AEAD",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) static void crypto_show_clock(struct seq_file *p, struct clk_bulk_data *clk_bulks, int clks_num)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) seq_puts(p, "clock info:\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) for (i = 0; i < clks_num; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) seq_printf(p, "\t%-10s %ld\n", clk_bulks[i].id, clk_get_rate(clk_bulks[i].clk));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) seq_puts(p, "\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) static void crypto_show_stat(struct seq_file *p, struct rk_crypto_stat *stat)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) /* show statistic info */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) seq_puts(p, "Statistic info:\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) seq_printf(p, "\tbusy_cnt : %llu\n", stat->busy_cnt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) seq_printf(p, "\tequeue_cnt : %llu\n", stat->equeue_cnt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) seq_printf(p, "\tdequeue_cnt : %llu\n", stat->dequeue_cnt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) seq_printf(p, "\tdone_cnt : %llu\n", stat->done_cnt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) seq_printf(p, "\tcomplete_cnt : %llu\n", stat->complete_cnt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) seq_printf(p, "\tfake_cnt : %llu\n", stat->fake_cnt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) seq_printf(p, "\tirq_cnt : %llu\n", stat->irq_cnt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) seq_printf(p, "\ttimeout_cnt : %llu\n", stat->timeout_cnt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) seq_printf(p, "\terror_cnt : %llu\n", stat->error_cnt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) seq_printf(p, "\tlast_error : %d\n", stat->last_error);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) seq_puts(p, "\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) static void crypto_show_queue_info(struct seq_file *p, struct rk_crypto_dev *rk_dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) bool busy;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) u32 qlen, max_qlen;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) spin_lock_irqsave(&rk_dev->lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) qlen = rk_dev->queue.qlen;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) max_qlen = rk_dev->queue.max_qlen;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) busy = rk_dev->busy;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) spin_unlock_irqrestore(&rk_dev->lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) seq_printf(p, "Crypto queue usage [%u/%u], ever_max = %llu, status: %s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) qlen, max_qlen, rk_dev->stat.ever_queue_max, busy ? "busy" : "idle");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) seq_puts(p, "\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) static void crypto_show_valid_algo_single(struct seq_file *p, enum alg_type type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) struct rk_crypto_algt **algs, u32 algs_num)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) u32 i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) struct rk_crypto_algt *tmp_algs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) seq_printf(p, "\t%s:\n", alg_type2name[type]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) for (i = 0; i < algs_num; i++, algs++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) tmp_algs = *algs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) if (!(tmp_algs->valid_flag) || tmp_algs->type != type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) seq_printf(p, "\t\t%s\n", tmp_algs->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) seq_puts(p, "\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) static void crypto_show_valid_algos(struct seq_file *p, struct rk_crypto_soc_data *soc_data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) u32 algs_num = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) struct rk_crypto_algt **algs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) seq_puts(p, "Valid algorithms:\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) algs = soc_data->hw_get_algts(&algs_num);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) if (!algs || algs_num == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) crypto_show_valid_algo_single(p, ALG_TYPE_CIPHER, algs, algs_num);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) crypto_show_valid_algo_single(p, ALG_TYPE_AEAD, algs, algs_num);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) crypto_show_valid_algo_single(p, ALG_TYPE_HASH, algs, algs_num);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) crypto_show_valid_algo_single(p, ALG_TYPE_HMAC, algs, algs_num);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) crypto_show_valid_algo_single(p, ALG_TYPE_ASYM, algs, algs_num);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) static int crypto_show_all(struct seq_file *p, void *v)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) struct rk_crypto_dev *rk_dev = p->private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) struct rk_crypto_soc_data *soc_data = rk_dev->soc_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) struct rk_crypto_stat *stat = &rk_dev->stat;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) seq_printf(p, "Rockchip Crypto Version: %s\n\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) soc_data->crypto_ver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) seq_printf(p, "use_soft_aes192 : %s\n\n", soc_data->use_soft_aes192 ? "true" : "false");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) crypto_show_clock(p, rk_dev->clk_bulks, rk_dev->clks_num);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) crypto_show_valid_algos(p, soc_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) crypto_show_stat(p, stat);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) crypto_show_queue_info(p, rk_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) static int crypto_open(struct inode *inode, struct file *file)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) struct rk_crypto_dev *data = PDE_DATA(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) return single_open(file, crypto_show_all, data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) static const struct proc_ops ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) .proc_open = crypto_open,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) .proc_read = seq_read,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) .proc_lseek = seq_lseek,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) .proc_release = single_release,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) int rkcrypto_proc_init(struct rk_crypto_dev *rk_dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) rk_dev->procfs = proc_create_data(rk_dev->name, 0, NULL, &ops, rk_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) if (!rk_dev->procfs)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) void rkcrypto_proc_cleanup(struct rk_crypto_dev *rk_dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) if (rk_dev->procfs)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) remove_proc_entry(rk_dev->name, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) rk_dev->procfs = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) #endif /* CONFIG_PROC_FS */
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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