diff options
Diffstat (limited to 'usr.sbin/pccard/pccardd/util.c')
| -rw-r--r-- | usr.sbin/pccard/pccardd/util.c | 209 |
1 files changed, 209 insertions, 0 deletions
diff --git a/usr.sbin/pccard/pccardd/util.c b/usr.sbin/pccard/pccardd/util.c new file mode 100644 index 0000000..6abacaa --- /dev/null +++ b/usr.sbin/pccard/pccardd/util.c @@ -0,0 +1,209 @@ +/* + * Utility subroutines. + */ +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sys/types.h> +#include <sys/ioctl.h> +#include <syslog.h> +#include <varargs.h> +#include "cardd.h" + + +void +log_1s(char *msg, char *arg) +{ + if (do_log) + syslog(LOG_ERR, msg, arg); + else + { + fprintf(stderr, "cardd: "); + fprintf(stderr, msg, arg); + fprintf(stderr, "\n"); + } +} +void +logerr(char *msg) +{ + if (do_log) + syslog(LOG_ERR, "%s: %m", msg); + else + perror(msg); +} +/* + * Deliver last will and testament, and die. + */ +void +die(char *msg) +{ + if (do_log) + syslog(LOG_CRIT, "fatal error: %s", msg); + else + fprintf(stderr, "cardd fatal error: %s\n", msg); + closelog(); + exit(1); +} +void * +xmalloc(int sz) +{ +void *p; + + p = malloc(sz+8); + if (p) + bzero(p, sz); + else + die("malloc failed"); + return(p); +} +char * +newstr(char *p) +{ +char *s; + + s = strdup(p); + if (s == 0) + die("strdup failed"); + return(s); +} +/* + * Find contiguous bit string (all set) of at + * least count number. + */ +int +bit_fns(bitstr_t *nm, int nbits, int count) +{ +int i; +int found = 0; + + for (i = 0; i < nbits; i++) + if (bit_test(nm, i)) + { + if (++found == count) + return(i - count + 1); + } + else + found = 0; + return(-1); +} +/* + * Allocate a block of memory and return the address. + */ +unsigned long +alloc_memory(int size) +{ +int i; + + i = bit_fns(mem_avail, MEMBLKS, size/MEMUNIT); + if (i < 0) + return(0); + bit_nclear(mem_avail, i, size/MEMUNIT); + return(BIT2MEM(i)); +} +/* + * reset_slot - Power has been applied to the card. + * Now reset the card. + */ +void +reset_slot(struct slot *sp) +{ +struct card *cp = sp->card; +char c; +off_t offs; +struct mem_desc mem; +struct io_desc io; +int rw_flags; + + rw_flags = MDF_ATTR; + ioctl(sp->fd, PIOCRWFLAG, &rw_flags); +#ifdef DEBUG + printf("Resetting card, writing 0x80 to offs 0x%x\n", + sp->cis->reg_addr); +#endif + offs = sp->cis->reg_addr; + lseek(sp->fd, offs, SEEK_SET); + c = 0x80; + write(sp->fd, &c, sizeof(c)); + usleep(10*1000); + c = 0; + lseek(sp->fd, offs, SEEK_SET); + write(sp->fd, &c, sizeof(c)); +/* + * Reset all the memory and I/O windows. + */ + bzero((caddr_t)&mem, sizeof(mem)); + bzero((caddr_t)&io, sizeof(io)); + for (mem.window = 0; mem.window < NUM_MEM_WINDOWS; mem.window++) + ioctl(sp->fd, PIOCSMEM, &mem); + for (io.window = 0; io.window < NUM_IO_WINDOWS; io.window++) + ioctl(sp->fd, PIOCSIO, &io); +} +/* + * execute - Execute the command strings. + * For the current slot (if any) perform macro + * substitutions. + */ +void +execute(struct cmd *cmdp) +{ +char cmd[1024]; +char *p, *cp, *lp; + + for (;cmdp; cmdp = cmdp->next) + { + cp = cmd; + lp = cmdp->line; + if (*lp == 0) + continue; + while (p = strchr(lp, '$')) + { +/* + * copy over preceding string. + */ + while (lp != p) + *cp++ = *lp++; +/* + * stringify ethernet address and place here. + */ + if (strncmp(p, "$ether", 6)==0) + { + sprintf(cp, "%x:%x:%x:%x:%x:%x", + current_slot->eaddr[0], + current_slot->eaddr[1], + current_slot->eaddr[2], + current_slot->eaddr[3], + current_slot->eaddr[4], + current_slot->eaddr[5]); + while (*++cp) + ; + lp += 6; + } +/* + * replace device name + */ + else if (strncmp(p, "$device", 7)==0) + { + sprintf(cp, "%s%d", + current_slot->config->driver->kernel, + current_slot->config->driver->unit); + while (*cp) + cp++; + lp += 7; + } +/* + * Copy the `$' and rescan. + */ + else + *cp++ = *lp++; + } +/* + * No more replacements. Copy rest of string. + */ + while (*cp++ = *lp++) + ; +#ifdef DEBUG + fprintf(stderr, "Executing [%s]\n", cmd); +#endif /* DEBUG */ + system(cmd); + } +} |
