^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) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Copyright (C) 2016 CNEX Labs
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * Initial release: Javier Gonzalez <javier@cnexlabs.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Matias Bjorling <matias@cnexlabs.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) * This program is free software; you can redistribute it and/or
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) * modify it under the terms of the GNU General Public License version
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) * 2 as published by the Free Software Foundation.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) * This program is distributed in the hope that it will be useful, but
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) * WITHOUT ANY WARRANTY; without even the implied warranty of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) * General Public License for more details.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) * Implementation of a physical block-device target for Open-channel SSDs.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) * pblk-sysfs.c - pblk's sysfs
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #include "pblk.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) static ssize_t pblk_sysfs_luns_show(struct pblk *pblk, char *page)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) struct nvm_tgt_dev *dev = pblk->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) struct nvm_geo *geo = &dev->geo;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) struct pblk_lun *rlun;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) ssize_t sz = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) for (i = 0; i < geo->all_luns; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) int active = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) rlun = &pblk->luns[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) if (!down_trylock(&rlun->wr_sem)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) active = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) up(&rlun->wr_sem);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) sz += scnprintf(page + sz, PAGE_SIZE - sz,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) "pblk: pos:%d, ch:%d, lun:%d - %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) i,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) rlun->bppa.a.ch,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) rlun->bppa.a.lun,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) active);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) return sz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) static ssize_t pblk_sysfs_rate_limiter(struct pblk *pblk, char *page)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) int free_blocks, free_user_blocks, total_blocks;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) int rb_user_max, rb_user_cnt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) int rb_gc_max, rb_gc_cnt, rb_budget, rb_state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) free_blocks = pblk_rl_nr_free_blks(&pblk->rl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) free_user_blocks = pblk_rl_nr_user_free_blks(&pblk->rl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) rb_user_max = pblk->rl.rb_user_max;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) rb_user_cnt = atomic_read(&pblk->rl.rb_user_cnt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) rb_gc_max = pblk->rl.rb_gc_max;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) rb_gc_cnt = atomic_read(&pblk->rl.rb_gc_cnt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) rb_budget = pblk->rl.rb_budget;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) rb_state = pblk->rl.rb_state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) total_blocks = pblk->rl.total_blocks;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) return snprintf(page, PAGE_SIZE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) "u:%u/%u,gc:%u/%u(%u)(stop:<%u,full:>%u,free:%d/%d/%d)-%d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) rb_user_cnt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) rb_user_max,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) rb_gc_cnt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) rb_gc_max,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) rb_state,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) rb_budget,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) pblk->rl.high,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) free_blocks,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) free_user_blocks,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) total_blocks,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) READ_ONCE(pblk->rl.rb_user_active));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) static ssize_t pblk_sysfs_gc_state_show(struct pblk *pblk, char *page)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) int gc_enabled, gc_active;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) pblk_gc_sysfs_state_show(pblk, &gc_enabled, &gc_active);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) return snprintf(page, PAGE_SIZE, "gc_enabled=%d, gc_active=%d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) gc_enabled, gc_active);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) static ssize_t pblk_sysfs_stats(struct pblk *pblk, char *page)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) ssize_t sz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) sz = snprintf(page, PAGE_SIZE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) "read_failed=%lu, read_high_ecc=%lu, read_empty=%lu, read_failed_gc=%lu, write_failed=%lu, erase_failed=%lu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) atomic_long_read(&pblk->read_failed),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) atomic_long_read(&pblk->read_high_ecc),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) atomic_long_read(&pblk->read_empty),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) atomic_long_read(&pblk->read_failed_gc),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) atomic_long_read(&pblk->write_failed),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) atomic_long_read(&pblk->erase_failed));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) return sz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) static ssize_t pblk_sysfs_write_buffer(struct pblk *pblk, char *page)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) return pblk_rb_sysfs(&pblk->rwb, page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) static ssize_t pblk_sysfs_ppaf(struct pblk *pblk, char *page)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) struct nvm_tgt_dev *dev = pblk->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) struct nvm_geo *geo = &dev->geo;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) ssize_t sz = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) if (geo->version == NVM_OCSSD_SPEC_12) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) struct nvm_addrf_12 *ppaf = (struct nvm_addrf_12 *)&pblk->addrf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) struct nvm_addrf_12 *gppaf = (struct nvm_addrf_12 *)&geo->addrf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) sz = scnprintf(page, PAGE_SIZE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) "g:(b:%d)blk:%d/%d,pg:%d/%d,lun:%d/%d,ch:%d/%d,pl:%d/%d,sec:%d/%d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) pblk->addrf_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) ppaf->blk_offset, ppaf->blk_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) ppaf->pg_offset, ppaf->pg_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) ppaf->lun_offset, ppaf->lun_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) ppaf->ch_offset, ppaf->ch_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) ppaf->pln_offset, ppaf->pln_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) ppaf->sec_offset, ppaf->sec_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) sz += scnprintf(page + sz, PAGE_SIZE - sz,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) "d:blk:%d/%d,pg:%d/%d,lun:%d/%d,ch:%d/%d,pl:%d/%d,sec:%d/%d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) gppaf->blk_offset, gppaf->blk_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) gppaf->pg_offset, gppaf->pg_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) gppaf->lun_offset, gppaf->lun_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) gppaf->ch_offset, gppaf->ch_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) gppaf->pln_offset, gppaf->pln_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) gppaf->sec_offset, gppaf->sec_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) struct nvm_addrf *ppaf = &pblk->addrf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) struct nvm_addrf *gppaf = &geo->addrf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) sz = scnprintf(page, PAGE_SIZE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) "pblk:(s:%d)ch:%d/%d,lun:%d/%d,chk:%d/%d/sec:%d/%d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) pblk->addrf_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) ppaf->ch_offset, ppaf->ch_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) ppaf->lun_offset, ppaf->lun_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) ppaf->chk_offset, ppaf->chk_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) ppaf->sec_offset, ppaf->sec_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) sz += scnprintf(page + sz, PAGE_SIZE - sz,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) "device:ch:%d/%d,lun:%d/%d,chk:%d/%d,sec:%d/%d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) gppaf->ch_offset, gppaf->ch_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) gppaf->lun_offset, gppaf->lun_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) gppaf->chk_offset, gppaf->chk_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) gppaf->sec_offset, gppaf->sec_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) return sz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) static ssize_t pblk_sysfs_lines(struct pblk *pblk, char *page)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) struct nvm_tgt_dev *dev = pblk->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) struct nvm_geo *geo = &dev->geo;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) struct pblk_line_meta *lm = &pblk->lm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) struct pblk_line_mgmt *l_mg = &pblk->l_mg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) struct pblk_line *line;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) ssize_t sz = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) int nr_free_lines;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) int cur_data, cur_log;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) int free_line_cnt = 0, closed_line_cnt = 0, emeta_line_cnt = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) int d_line_cnt = 0, l_line_cnt = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) int gc_full = 0, gc_high = 0, gc_mid = 0, gc_low = 0, gc_empty = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) int gc_werr = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) int bad = 0, cor = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) int msecs = 0, cur_sec = 0, vsc = 0, sec_in_line = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) int map_weight = 0, meta_weight = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) spin_lock(&l_mg->free_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) cur_data = (l_mg->data_line) ? l_mg->data_line->id : -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) cur_log = (l_mg->log_line) ? l_mg->log_line->id : -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) nr_free_lines = l_mg->nr_free_lines;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) list_for_each_entry(line, &l_mg->free_list, list)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) free_line_cnt++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) spin_unlock(&l_mg->free_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) spin_lock(&l_mg->close_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) list_for_each_entry(line, &l_mg->emeta_list, list)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) emeta_line_cnt++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) spin_unlock(&l_mg->close_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) spin_lock(&l_mg->gc_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) list_for_each_entry(line, &l_mg->gc_full_list, list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) if (line->type == PBLK_LINETYPE_DATA)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) d_line_cnt++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) else if (line->type == PBLK_LINETYPE_LOG)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) l_line_cnt++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) closed_line_cnt++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) gc_full++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) list_for_each_entry(line, &l_mg->gc_high_list, list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) if (line->type == PBLK_LINETYPE_DATA)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) d_line_cnt++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) else if (line->type == PBLK_LINETYPE_LOG)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) l_line_cnt++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) closed_line_cnt++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) gc_high++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) list_for_each_entry(line, &l_mg->gc_mid_list, list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) if (line->type == PBLK_LINETYPE_DATA)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) d_line_cnt++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) else if (line->type == PBLK_LINETYPE_LOG)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) l_line_cnt++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) closed_line_cnt++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) gc_mid++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) list_for_each_entry(line, &l_mg->gc_low_list, list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) if (line->type == PBLK_LINETYPE_DATA)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) d_line_cnt++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) else if (line->type == PBLK_LINETYPE_LOG)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) l_line_cnt++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) closed_line_cnt++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) gc_low++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) list_for_each_entry(line, &l_mg->gc_empty_list, list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) if (line->type == PBLK_LINETYPE_DATA)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) d_line_cnt++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) else if (line->type == PBLK_LINETYPE_LOG)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) l_line_cnt++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) closed_line_cnt++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) gc_empty++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) list_for_each_entry(line, &l_mg->gc_werr_list, list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) if (line->type == PBLK_LINETYPE_DATA)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) d_line_cnt++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) else if (line->type == PBLK_LINETYPE_LOG)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) l_line_cnt++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) closed_line_cnt++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) gc_werr++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) list_for_each_entry(line, &l_mg->bad_list, list)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) bad++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) list_for_each_entry(line, &l_mg->corrupt_list, list)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) cor++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) spin_unlock(&l_mg->gc_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) spin_lock(&l_mg->free_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) if (l_mg->data_line) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) cur_sec = l_mg->data_line->cur_sec;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) msecs = l_mg->data_line->left_msecs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) vsc = le32_to_cpu(*l_mg->data_line->vsc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) sec_in_line = l_mg->data_line->sec_in_line;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) meta_weight = bitmap_weight(&l_mg->meta_bitmap,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) PBLK_DATA_LINES);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) spin_lock(&l_mg->data_line->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) if (l_mg->data_line->map_bitmap)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) map_weight = bitmap_weight(l_mg->data_line->map_bitmap,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) lm->sec_per_line);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) map_weight = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) spin_unlock(&l_mg->data_line->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) spin_unlock(&l_mg->free_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) if (nr_free_lines != free_line_cnt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) pblk_err(pblk, "corrupted free line list:%d/%d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) nr_free_lines, free_line_cnt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) sz = scnprintf(page, PAGE_SIZE - sz,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) "line: nluns:%d, nblks:%d, nsecs:%d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) geo->all_luns, lm->blk_per_line, lm->sec_per_line);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) sz += scnprintf(page + sz, PAGE_SIZE - sz,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) "lines:d:%d,l:%d-f:%d,m:%d/%d,c:%d,b:%d,co:%d(d:%d,l:%d)t:%d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) cur_data, cur_log,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) nr_free_lines,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) emeta_line_cnt, meta_weight,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) closed_line_cnt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) bad, cor,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) d_line_cnt, l_line_cnt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) l_mg->nr_lines);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) sz += scnprintf(page + sz, PAGE_SIZE - sz,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) "GC: full:%d, high:%d, mid:%d, low:%d, empty:%d, werr: %d, queue:%d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) gc_full, gc_high, gc_mid, gc_low, gc_empty, gc_werr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) atomic_read(&pblk->gc.read_inflight_gc));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) sz += scnprintf(page + sz, PAGE_SIZE - sz,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) "data (%d) cur:%d, left:%d, vsc:%d, s:%d, map:%d/%d (%d)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) cur_data, cur_sec, msecs, vsc, sec_in_line,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) map_weight, lm->sec_per_line,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) atomic_read(&pblk->inflight_io));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) return sz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) static ssize_t pblk_sysfs_lines_info(struct pblk *pblk, char *page)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) struct nvm_tgt_dev *dev = pblk->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) struct nvm_geo *geo = &dev->geo;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) struct pblk_line_meta *lm = &pblk->lm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) ssize_t sz = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) sz = scnprintf(page, PAGE_SIZE - sz,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) "smeta - len:%d, secs:%d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) lm->smeta_len, lm->smeta_sec);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) sz += scnprintf(page + sz, PAGE_SIZE - sz,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) "emeta - len:%d, sec:%d, bb_start:%d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) lm->emeta_len[0], lm->emeta_sec[0],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) lm->emeta_bb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) sz += scnprintf(page + sz, PAGE_SIZE - sz,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) "bitmap lengths: sec:%d, blk:%d, lun:%d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) lm->sec_bitmap_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) lm->blk_bitmap_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) lm->lun_bitmap_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) sz += scnprintf(page + sz, PAGE_SIZE - sz,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) "blk_line:%d, sec_line:%d, sec_blk:%d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) lm->blk_per_line,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) lm->sec_per_line,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) geo->clba);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) return sz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) static ssize_t pblk_sysfs_get_sec_per_write(struct pblk *pblk, char *page)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) return snprintf(page, PAGE_SIZE, "%d\n", pblk->sec_per_write);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) static ssize_t pblk_get_write_amp(u64 user, u64 gc, u64 pad,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) char *page)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) int sz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) sz = scnprintf(page, PAGE_SIZE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) "user:%lld gc:%lld pad:%lld WA:",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) user, gc, pad);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) if (!user) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) sz += scnprintf(page + sz, PAGE_SIZE - sz, "NaN\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) u64 wa_int;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) u32 wa_frac;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) wa_int = (user + gc + pad) * 100000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) wa_int = div64_u64(wa_int, user);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) wa_int = div_u64_rem(wa_int, 100000, &wa_frac);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) sz += scnprintf(page + sz, PAGE_SIZE - sz, "%llu.%05u\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) wa_int, wa_frac);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) return sz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) static ssize_t pblk_sysfs_get_write_amp_mileage(struct pblk *pblk, char *page)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) return pblk_get_write_amp(atomic64_read(&pblk->user_wa),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) atomic64_read(&pblk->gc_wa), atomic64_read(&pblk->pad_wa),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) static ssize_t pblk_sysfs_get_write_amp_trip(struct pblk *pblk, char *page)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) return pblk_get_write_amp(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) atomic64_read(&pblk->user_wa) - pblk->user_rst_wa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) atomic64_read(&pblk->gc_wa) - pblk->gc_rst_wa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) atomic64_read(&pblk->pad_wa) - pblk->pad_rst_wa, page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) static long long bucket_percentage(unsigned long long bucket,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) unsigned long long total)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) int p = bucket * 100;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) p = div_u64(p, total);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) return p;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) static ssize_t pblk_sysfs_get_padding_dist(struct pblk *pblk, char *page)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) int sz = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) unsigned long long total;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) unsigned long long total_buckets = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) int buckets = pblk->min_write_pgs - 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) total = atomic64_read(&pblk->nr_flush) - pblk->nr_flush_rst;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) if (!total) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) for (i = 0; i < (buckets + 1); i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) sz += scnprintf(page + sz, PAGE_SIZE - sz,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) "%d:0 ", i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) sz += scnprintf(page + sz, PAGE_SIZE - sz, "\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) return sz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) for (i = 0; i < buckets; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) total_buckets += atomic64_read(&pblk->pad_dist[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) sz += scnprintf(page + sz, PAGE_SIZE - sz, "0:%lld%% ",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) bucket_percentage(total - total_buckets, total));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) for (i = 0; i < buckets; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) unsigned long long p;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) p = bucket_percentage(atomic64_read(&pblk->pad_dist[i]),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) total);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) sz += scnprintf(page + sz, PAGE_SIZE - sz, "%d:%lld%% ",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) i + 1, p);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) sz += scnprintf(page + sz, PAGE_SIZE - sz, "\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) return sz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) #ifdef CONFIG_NVM_PBLK_DEBUG
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) static ssize_t pblk_sysfs_stats_debug(struct pblk *pblk, char *page)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) return snprintf(page, PAGE_SIZE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) "%lu\t%lu\t%ld\t%llu\t%ld\t%lu\t%lu\t%lu\t%lu\t%lu\t%lu\t%lu\t%lu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) atomic_long_read(&pblk->inflight_writes),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) atomic_long_read(&pblk->inflight_reads),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) atomic_long_read(&pblk->req_writes),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) (u64)atomic64_read(&pblk->nr_flush),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) atomic_long_read(&pblk->padded_writes),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) atomic_long_read(&pblk->padded_wb),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) atomic_long_read(&pblk->sub_writes),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) atomic_long_read(&pblk->sync_writes),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) atomic_long_read(&pblk->recov_writes),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) atomic_long_read(&pblk->recov_gc_writes),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) atomic_long_read(&pblk->recov_gc_reads),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) atomic_long_read(&pblk->cache_reads),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) atomic_long_read(&pblk->sync_reads));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) static ssize_t pblk_sysfs_gc_force(struct pblk *pblk, const char *page,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) size_t len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) size_t c_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) int force;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) c_len = strcspn(page, "\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) if (c_len >= len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) if (kstrtouint(page, 0, &force))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) pblk_gc_sysfs_force(pblk, force);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) return len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) static ssize_t pblk_sysfs_set_sec_per_write(struct pblk *pblk,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) const char *page, size_t len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) size_t c_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) int sec_per_write;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) c_len = strcspn(page, "\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) if (c_len >= len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) if (kstrtouint(page, 0, &sec_per_write))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) if (!pblk_is_oob_meta_supported(pblk)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) /* For packed metadata case it is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) * not allowed to change sec_per_write.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) if (sec_per_write < pblk->min_write_pgs
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) || sec_per_write > pblk->max_write_pgs
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) || sec_per_write % pblk->min_write_pgs != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) pblk_set_sec_per_write(pblk, sec_per_write);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) return len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) static ssize_t pblk_sysfs_set_write_amp_trip(struct pblk *pblk,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) const char *page, size_t len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) size_t c_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503) int reset_value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) c_len = strcspn(page, "\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) if (c_len >= len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) if (kstrtouint(page, 0, &reset_value))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) if (reset_value != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) pblk->user_rst_wa = atomic64_read(&pblk->user_wa);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) pblk->pad_rst_wa = atomic64_read(&pblk->pad_wa);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) pblk->gc_rst_wa = atomic64_read(&pblk->gc_wa);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) return len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523) static ssize_t pblk_sysfs_set_padding_dist(struct pblk *pblk,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) const char *page, size_t len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) size_t c_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527) int reset_value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) int buckets = pblk->min_write_pgs - 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531) c_len = strcspn(page, "\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) if (c_len >= len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) if (kstrtouint(page, 0, &reset_value))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538) if (reset_value != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541) for (i = 0; i < buckets; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) atomic64_set(&pblk->pad_dist[i], 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) pblk->nr_flush_rst = atomic64_read(&pblk->nr_flush);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546) return len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549) static struct attribute sys_write_luns = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550) .name = "write_luns",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551) .mode = 0444,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) static struct attribute sys_rate_limiter_attr = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555) .name = "rate_limiter",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556) .mode = 0444,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559) static struct attribute sys_gc_state = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560) .name = "gc_state",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561) .mode = 0444,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564) static struct attribute sys_errors_attr = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565) .name = "errors",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566) .mode = 0444,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569) static struct attribute sys_rb_attr = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570) .name = "write_buffer",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571) .mode = 0444,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574) static struct attribute sys_stats_ppaf_attr = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575) .name = "ppa_format",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576) .mode = 0444,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579) static struct attribute sys_lines_attr = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580) .name = "lines",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581) .mode = 0444,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584) static struct attribute sys_lines_info_attr = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585) .name = "lines_info",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586) .mode = 0444,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589) static struct attribute sys_gc_force = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590) .name = "gc_force",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591) .mode = 0200,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594) static struct attribute sys_max_sec_per_write = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595) .name = "max_sec_per_write",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599) static struct attribute sys_write_amp_mileage = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600) .name = "write_amp_mileage",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601) .mode = 0444,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604) static struct attribute sys_write_amp_trip = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605) .name = "write_amp_trip",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609) static struct attribute sys_padding_dist = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610) .name = "padding_dist",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611) .mode = 0644,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614) #ifdef CONFIG_NVM_PBLK_DEBUG
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615) static struct attribute sys_stats_debug_attr = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616) .name = "stats",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 617) .mode = 0444,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 618) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 619) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 620)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 621) static struct attribute *pblk_attrs[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 622) &sys_write_luns,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 623) &sys_rate_limiter_attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 624) &sys_errors_attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 625) &sys_gc_state,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 626) &sys_gc_force,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 627) &sys_max_sec_per_write,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 628) &sys_rb_attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 629) &sys_stats_ppaf_attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 630) &sys_lines_attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 631) &sys_lines_info_attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 632) &sys_write_amp_mileage,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 633) &sys_write_amp_trip,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 634) &sys_padding_dist,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 635) #ifdef CONFIG_NVM_PBLK_DEBUG
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 636) &sys_stats_debug_attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 637) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 638) NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 639) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 640)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 641) static ssize_t pblk_sysfs_show(struct kobject *kobj, struct attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 642) char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 643) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 644) struct pblk *pblk = container_of(kobj, struct pblk, kobj);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 645)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 646) if (strcmp(attr->name, "rate_limiter") == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 647) return pblk_sysfs_rate_limiter(pblk, buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 648) else if (strcmp(attr->name, "write_luns") == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 649) return pblk_sysfs_luns_show(pblk, buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 650) else if (strcmp(attr->name, "gc_state") == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 651) return pblk_sysfs_gc_state_show(pblk, buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 652) else if (strcmp(attr->name, "errors") == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 653) return pblk_sysfs_stats(pblk, buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 654) else if (strcmp(attr->name, "write_buffer") == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 655) return pblk_sysfs_write_buffer(pblk, buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 656) else if (strcmp(attr->name, "ppa_format") == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 657) return pblk_sysfs_ppaf(pblk, buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 658) else if (strcmp(attr->name, "lines") == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 659) return pblk_sysfs_lines(pblk, buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 660) else if (strcmp(attr->name, "lines_info") == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 661) return pblk_sysfs_lines_info(pblk, buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 662) else if (strcmp(attr->name, "max_sec_per_write") == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 663) return pblk_sysfs_get_sec_per_write(pblk, buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 664) else if (strcmp(attr->name, "write_amp_mileage") == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 665) return pblk_sysfs_get_write_amp_mileage(pblk, buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 666) else if (strcmp(attr->name, "write_amp_trip") == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 667) return pblk_sysfs_get_write_amp_trip(pblk, buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 668) else if (strcmp(attr->name, "padding_dist") == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 669) return pblk_sysfs_get_padding_dist(pblk, buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 670) #ifdef CONFIG_NVM_PBLK_DEBUG
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 671) else if (strcmp(attr->name, "stats") == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 672) return pblk_sysfs_stats_debug(pblk, buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 673) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 674) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 675) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 676)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 677) static ssize_t pblk_sysfs_store(struct kobject *kobj, struct attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 678) const char *buf, size_t len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 679) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 680) struct pblk *pblk = container_of(kobj, struct pblk, kobj);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 681)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 682) if (strcmp(attr->name, "gc_force") == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 683) return pblk_sysfs_gc_force(pblk, buf, len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 684) else if (strcmp(attr->name, "max_sec_per_write") == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 685) return pblk_sysfs_set_sec_per_write(pblk, buf, len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 686) else if (strcmp(attr->name, "write_amp_trip") == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 687) return pblk_sysfs_set_write_amp_trip(pblk, buf, len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 688) else if (strcmp(attr->name, "padding_dist") == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 689) return pblk_sysfs_set_padding_dist(pblk, buf, len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 690) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 691) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 692)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 693) static const struct sysfs_ops pblk_sysfs_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 694) .show = pblk_sysfs_show,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 695) .store = pblk_sysfs_store,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 696) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 697)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 698) static struct kobj_type pblk_ktype = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 699) .sysfs_ops = &pblk_sysfs_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 700) .default_attrs = pblk_attrs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 701) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 702)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 703) int pblk_sysfs_init(struct gendisk *tdisk)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 704) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 705) struct pblk *pblk = tdisk->private_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 706) struct device *parent_dev = disk_to_dev(pblk->disk);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 707) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 708)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 709) ret = kobject_init_and_add(&pblk->kobj, &pblk_ktype,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 710) kobject_get(&parent_dev->kobj),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 711) "%s", "pblk");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 712) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 713) pblk_err(pblk, "could not register\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 714) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 715) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 716)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 717) kobject_uevent(&pblk->kobj, KOBJ_ADD);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 718) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 719) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 720)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 721) void pblk_sysfs_exit(struct gendisk *tdisk)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 722) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 723) struct pblk *pblk = tdisk->private_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 724)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 725) kobject_uevent(&pblk->kobj, KOBJ_REMOVE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 726) kobject_del(&pblk->kobj);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 727) kobject_put(&pblk->kobj);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 728) }
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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