cregit-Linux how code gets into the kernel

Release 4.18 drivers/isdn/capi/kcapi_proc.c

/*
 * Kernel CAPI 2.0 Module - /proc/capi handling
 *
 * Copyright 1999 by Carsten Paeth <calle@calle.de>
 * Copyright 2002 by Kai Germaschewski <kai@germaschewski.name>
 *
 * This software may be used and distributed according to the terms
 * of the GNU General Public License, incorporated herein by reference.
 *
 */


#include "kcapi.h"
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
#include <linux/init.h>
#include <linux/export.h>


static char *state2str(unsigned short state) { switch (state) { case CAPI_CTR_DETECTED: return "detected"; case CAPI_CTR_LOADING: return "loading"; case CAPI_CTR_RUNNING: return "running"; default: return "???"; } }

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PersonTokensPropCommitsCommitProp
Kai Germaschewski3384.62%150.00%
Jan Kiszka615.38%150.00%
Total39100.00%2100.00%

// /proc/capi // =========================================================================== // /proc/capi/controller: // cnr driver cardstate name driverinfo // /proc/capi/contrstats: // cnr nrecvctlpkt nrecvdatapkt nsentctlpkt nsentdatapkt // ---------------------------------------------------------------------------
static void *controller_start(struct seq_file *seq, loff_t *pos) __acquires(capi_controller_lock) { mutex_lock(&capi_controller_lock); if (*pos < CAPI_MAXCONTR) return &capi_controller[*pos]; return NULL; }

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PersonTokensPropCommitsCommitProp
Kai Germaschewski3375.00%133.33%
Jan Kiszka1125.00%266.67%
Total44100.00%3100.00%


static void *controller_next(struct seq_file *seq, void *v, loff_t *pos) { ++*pos; if (*pos < CAPI_MAXCONTR) return &capi_controller[*pos]; return NULL; }

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PersonTokensPropCommitsCommitProp
Kai Germaschewski4197.62%150.00%
Jan Kiszka12.38%150.00%
Total42100.00%2100.00%


static void controller_stop(struct seq_file *seq, void *v) __releases(capi_controller_lock) { mutex_unlock(&capi_controller_lock); }

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PersonTokensPropCommitsCommitProp
Kai Germaschewski1352.00%150.00%
Jan Kiszka1248.00%150.00%
Total25100.00%2100.00%


static int controller_show(struct seq_file *seq, void *v) { struct capi_ctr *ctr = *(struct capi_ctr **) v; if (!ctr) return 0; seq_printf(seq, "%d %-10s %-8s %-16s %s\n", ctr->cnr, ctr->driver_name, state2str(ctr->state), ctr->name, ctr->procinfo ? ctr->procinfo(ctr) : ""); return 0; }

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PersonTokensPropCommitsCommitProp
Kai Germaschewski7797.47%266.67%
Jan Kiszka22.53%133.33%
Total79100.00%3100.00%


static int contrstats_show(struct seq_file *seq, void *v) { struct capi_ctr *ctr = *(struct capi_ctr **) v; if (!ctr) return 0; seq_printf(seq, "%d %lu %lu %lu %lu\n", ctr->cnr, ctr->nrecvctlpkt, ctr->nrecvdatapkt, ctr->nsentctlpkt, ctr->nsentdatapkt); return 0; }

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PersonTokensPropCommitsCommitProp
Kai Germaschewski67100.00%1100.00%
Total67100.00%1100.00%

static const struct seq_operations seq_controller_ops = { .start = controller_start, .next = controller_next, .stop = controller_stop, .show = controller_show, }; static const struct seq_operations seq_contrstats_ops = { .start = controller_start, .next = controller_next, .stop = controller_stop, .show = contrstats_show, }; // /proc/capi/applications: // applid l3cnt dblkcnt dblklen #ncci recvqueuelen // /proc/capi/applstats: // applid nrecvctlpkt nrecvdatapkt nsentctlpkt nsentdatapkt // ---------------------------------------------------------------------------
static void *applications_start(struct seq_file *seq, loff_t *pos) __acquires(capi_controller_lock) { mutex_lock(&capi_controller_lock); if (*pos < CAPI_MAXAPPL) return &capi_applications[*pos]; return NULL; }

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PersonTokensPropCommitsCommitProp
Kai Germaschewski3477.27%150.00%
Jan Kiszka1022.73%150.00%
Total44100.00%2100.00%


static void * applications_next(struct seq_file *seq, void *v, loff_t *pos) { ++*pos; if (*pos < CAPI_MAXAPPL) return &capi_applications[*pos]; return NULL; }

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Kai Germaschewski42100.00%1100.00%
Total42100.00%1100.00%


static void applications_stop(struct seq_file *seq, void *v) __releases(capi_controller_lock) { mutex_unlock(&capi_controller_lock); }

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PersonTokensPropCommitsCommitProp
Kai Germaschewski1352.00%150.00%
Jan Kiszka1248.00%150.00%
Total25100.00%2100.00%


static int applications_show(struct seq_file *seq, void *v) { struct capi20_appl *ap = *(struct capi20_appl **) v; if (!ap) return 0; seq_printf(seq, "%u %d %d %d\n", ap->applid, ap->rparam.level3cnt, ap->rparam.datablkcnt, ap->rparam.datablklen); return 0; }

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PersonTokensPropCommitsCommitProp
Kai Germaschewski69100.00%1100.00%
Total69100.00%1100.00%


static int applstats_show(struct seq_file *seq, void *v) { struct capi20_appl *ap = *(struct capi20_appl **) v; if (!ap) return 0; seq_printf(seq, "%u %lu %lu %lu %lu\n", ap->applid, ap->nrecvctlpkt, ap->nrecvdatapkt, ap->nsentctlpkt, ap->nsentdatapkt); return 0; }

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PersonTokensPropCommitsCommitProp
Kai Germaschewski67100.00%1100.00%
Total67100.00%1100.00%

static const struct seq_operations seq_applications_ops = { .start = applications_start, .next = applications_next, .stop = applications_stop, .show = applications_show, }; static const struct seq_operations seq_applstats_ops = { .start = applications_start, .next = applications_next, .stop = applications_stop, .show = applstats_show, }; // ---------------------------------------------------------------------------
static void *capi_driver_start(struct seq_file *seq, loff_t *pos) __acquires(&capi_drivers_lock

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Andrew Morton1376.47%125.00%
Hannes Eder211.76%125.00%
Pavel Emelyanov15.88%125.00%
Jan Kiszka15.88%125.00%
Total17100.00%4100.00%

) { mutex_lock(&capi_drivers_lock); return seq_list_start(&capi_drivers, *pos); }
static void *capi_driver_next(struct seq_file *seq, void *v, loff_t *pos) { return seq_list_next(v, &capi_drivers, pos); }

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Andrew Morton2683.87%150.00%
Pavel Emelyanov516.13%150.00%
Total31100.00%2100.00%


static void capi_driver_stop(struct seq_file *seq, void *v) __releases(&capi_drivers_lock

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Andrew Morton1381.25%133.33%
Hannes Eder212.50%133.33%
Jan Kiszka16.25%133.33%
Total16100.00%3100.00%

) { mutex_unlock(&capi_drivers_lock); }
static int capi_driver_show(struct seq_file *seq, void *v) { struct capi_driver *drv = list_entry(v, struct capi_driver, list); seq_printf(seq, "%-32s %s\n", drv->name, drv->revision); return 0; }

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Andrew Morton4185.42%150.00%
Pavel Emelyanov714.58%150.00%
Total48100.00%2100.00%

static const struct seq_operations seq_capi_driver_ops = { .start = capi_driver_start, .next = capi_driver_next, .stop = capi_driver_stop, .show = capi_driver_show, }; // ---------------------------------------------------------------------------
void __init kcapi_proc_init(void) { proc_mkdir("capi", NULL); proc_mkdir("capi/controllers", NULL); proc_create_seq("capi/controller", 0, NULL, &seq_controller_ops); proc_create_seq("capi/contrstats", 0, NULL, &seq_contrstats_ops); proc_create_seq("capi/applications", 0, NULL, &seq_applications_ops); proc_create_seq("capi/applstats", 0, NULL, &seq_applstats_ops); proc_create_seq("capi/driver", 0, NULL, &seq_capi_driver_ops); }

Contributors

PersonTokensPropCommitsCommitProp
Kai Germaschewski5465.85%125.00%
Denis V. Lunev1012.20%125.00%
Christoph Hellwig1012.20%125.00%
Andrew Morton89.76%125.00%
Total82100.00%4100.00%


void __exit kcapi_proc_exit(void) { remove_proc_entry("capi/driver", NULL); remove_proc_entry("capi/controller", NULL); remove_proc_entry("capi/contrstats", NULL); remove_proc_entry("capi/applications", NULL); remove_proc_entry("capi/applstats", NULL); remove_proc_entry("capi/controllers", NULL); remove_proc_entry("capi", NULL); }

Contributors

PersonTokensPropCommitsCommitProp
Kai Germaschewski57100.00%1100.00%
Total57100.00%1100.00%


Overall Contributors

PersonTokensPropCommitsCommitProp
Kai Germaschewski72973.49%423.53%
Andrew Morton14514.62%15.88%
Jan Kiszka606.05%423.53%
Pavel Emelyanov181.81%15.88%
Denis V. Lunev101.01%15.88%
Christoph Hellwig101.01%15.88%
Hannes Eder60.60%15.88%
Adrian Bunk50.50%15.88%
James Morris50.50%15.88%
Paul Gortmaker30.30%15.88%
Joe Perches10.10%15.88%
Total992100.00%17100.00%
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