cregit-Linux how code gets into the kernel

Release 4.10 drivers/zorro/proc.c

Directory: drivers/zorro
/*
 *      Procfs interface for the Zorro bus.
 *
 *      Copyright (C) 1998-2003 Geert Uytterhoeven
 *
 *      Heavily based on the procfs interface for the PCI bus, which is
 *
 *      Copyright (C) 1997, 1998 Martin Mares <mj@atrey.karlin.mff.cuni.cz>
 */

#include <linux/types.h>
#include <linux/zorro.h>
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
#include <linux/init.h>
#include <linux/export.h>

#include <asm/byteorder.h>
#include <linux/uaccess.h>
#include <asm/amigahw.h>
#include <asm/setup.h>


static loff_t proc_bus_zorro_lseek(struct file *file, loff_t off, int whence) { return fixed_size_llseek(file, off, whence, sizeof(struct ConfigDev)); }

Contributors

PersonTokensPropCommitsCommitProp
pre-gitpre-git2472.73%125.00%
al viroal viro721.21%250.00%
geert uytterhoevengeert uytterhoeven26.06%125.00%
Total33100.00%4100.00%


static ssize_t proc_bus_zorro_read(struct file *file, char __user *buf, size_t nbytes, loff_t *ppos) { struct zorro_dev *z = PDE_DATA(file_inode(file)); struct ConfigDev cd; loff_t pos = *ppos; if (pos >= sizeof(struct ConfigDev)) return 0; if (nbytes >= sizeof(struct ConfigDev)) nbytes = sizeof(struct ConfigDev); if (pos + nbytes > sizeof(struct ConfigDev)) nbytes = sizeof(struct ConfigDev) - pos; /* Construct a ConfigDev */ memset(&cd, 0, sizeof(cd)); cd.cd_Rom = z->rom; cd.cd_SlotAddr = cpu_to_be16(z->slotaddr); cd.cd_SlotSize = cpu_to_be16(z->slotsize); cd.cd_BoardAddr = cpu_to_be32(zorro_resource_start(z)); cd.cd_BoardSize = cpu_to_be32(zorro_resource_len(z)); if (copy_to_user(buf, (void *)&cd + pos, nbytes)) return -EFAULT; *ppos += nbytes; return nbytes; }

Contributors

PersonTokensPropCommitsCommitProp
pre-gitpre-git15880.20%220.00%
geert uytterhoevengeert uytterhoeven199.64%330.00%
andrew mortonandrew morton115.58%110.00%
al viroal viro94.57%440.00%
Total197100.00%10100.00%

static const struct file_operations proc_bus_zorro_operations = { .owner = THIS_MODULE, .llseek = proc_bus_zorro_lseek, .read = proc_bus_zorro_read, };
static void * zorro_seq_start(struct seq_file *m, loff_t *pos) { return (*pos < zorro_num_autocon) ? pos : NULL; }

Contributors

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alexey dobriyanalexey dobriyan2382.14%133.33%
pre-gitpre-git517.86%266.67%
Total28100.00%3100.00%


static void * zorro_seq_next(struct seq_file *m, void *v, loff_t *pos) { (*pos)++; return (*pos < zorro_num_autocon) ? pos : NULL; }

Contributors

PersonTokensPropCommitsCommitProp
alexey dobriyanalexey dobriyan3592.11%150.00%
pre-gitpre-git37.89%150.00%
Total38100.00%2100.00%


static void zorro_seq_stop(struct seq_file *m, void *v) { }

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PersonTokensPropCommitsCommitProp
alexey dobriyanalexey dobriyan1392.86%150.00%
pre-gitpre-git17.14%150.00%
Total14100.00%2100.00%


static int zorro_seq_show(struct seq_file *m, void *v) { unsigned int slot = *(loff_t *)v; struct zorro_dev *z = &zorro_autocon[slot]; seq_printf(m, "%02x\t%08x\t%08lx\t%08lx\t%02x\n", slot, z->id, (unsigned long)zorro_resource_start(z), (unsigned long)zorro_resource_len(z), z->rom.er_Type); return 0; }

Contributors

PersonTokensPropCommitsCommitProp
pre-gitpre-git3342.86%233.33%
alexey dobriyanalexey dobriyan2329.87%116.67%
andrew mortonandrew morton1114.29%116.67%
geert uytterhoevengeert uytterhoeven1012.99%233.33%
Total77100.00%6100.00%

static const struct seq_operations zorro_devices_seq_ops = { .start = zorro_seq_start, .next = zorro_seq_next, .stop = zorro_seq_stop, .show = zorro_seq_show, };
static int zorro_devices_proc_open(struct inode *inode, struct file *file) { return seq_open(file, &zorro_devices_seq_ops); }

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alexey dobriyanalexey dobriyan2288.00%150.00%
pre-gitpre-git312.00%150.00%
Total25100.00%2100.00%

static const struct file_operations zorro_devices_proc_fops = { .owner = THIS_MODULE, .open = zorro_devices_proc_open, .read = seq_read, .llseek = seq_lseek, .release = seq_release, }; static struct proc_dir_entry *proc_bus_zorro_dir;
static int __init zorro_proc_attach_device(unsigned int slot) { struct proc_dir_entry *entry; char name[4]; sprintf(name, "%02x", slot); entry = proc_create_data(name, 0, proc_bus_zorro_dir, &proc_bus_zorro_operations, &zorro_autocon[slot]); if (!entry) return -ENOMEM; proc_set_size(entry, sizeof(struct zorro_dev)); return 0; }

Contributors

PersonTokensPropCommitsCommitProp
pre-gitpre-git5878.38%457.14%
denis v. lunevdenis v. lunev1013.51%114.29%
david howellsdavid howells45.41%114.29%
geert uytterhoevengeert uytterhoeven22.70%114.29%
Total74100.00%7100.00%


static int __init zorro_proc_init(void) { unsigned int slot; if (MACH_IS_AMIGA && AMIGAHW_PRESENT(ZORRO)) { proc_bus_zorro_dir = proc_mkdir("bus/zorro", NULL); proc_create("devices", 0, proc_bus_zorro_dir, &zorro_devices_proc_fops); for (slot = 0; slot < zorro_num_autocon; slot++) zorro_proc_attach_device(slot); } return 0; }

Contributors

PersonTokensPropCommitsCommitProp
pre-gitpre-git5989.39%562.50%
alexey dobriyanalexey dobriyan57.58%225.00%
geert uytterhoevengeert uytterhoeven23.03%112.50%
Total66100.00%8100.00%

device_initcall(zorro_proc_init);

Overall Contributors

PersonTokensPropCommitsCommitProp
pre-gitpre-git39157.67%826.67%
alexey dobriyanalexey dobriyan18126.70%26.67%
geert uytterhoevengeert uytterhoeven385.60%620.00%
andrew mortonandrew morton223.24%13.33%
al viroal viro162.36%516.67%
denis v. lunevdenis v. lunev152.21%13.33%
art haasart haas40.59%13.33%
david howellsdavid howells40.59%13.33%
paul gortmakerpaul gortmaker30.44%13.33%
arjan van de venarjan van de ven10.15%13.33%
adrian bunkadrian bunk10.15%13.33%
robert p. j. dayrobert p. j. day10.15%13.33%
linus torvaldslinus torvalds10.15%13.33%
Total678100.00%30100.00%
Directory: drivers/zorro
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