diff options
Diffstat (limited to 'usr/src/psm/promif/ieee1275/sun4/prom_fio.c')
| -rw-r--r-- | usr/src/psm/promif/ieee1275/sun4/prom_fio.c | 48 |
1 files changed, 47 insertions, 1 deletions
diff --git a/usr/src/psm/promif/ieee1275/sun4/prom_fio.c b/usr/src/psm/promif/ieee1275/sun4/prom_fio.c index 3909b21170..0e814d2bcc 100644 --- a/usr/src/psm/promif/ieee1275/sun4/prom_fio.c +++ b/usr/src/psm/promif/ieee1275/sun4/prom_fio.c @@ -20,7 +20,7 @@ */ /* - * Copyright 2007 Sun Microsystems, Inc. All rights reserved. + * Copyright 2008 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ @@ -76,6 +76,52 @@ prom_fopen(ihandle_t fsih, char *path) return (p1275_cell2int(ci[9])); /* Res2: fd */ } +int +prom_volopen(ihandle_t fsih, char *path) +{ + cell_t ci[10]; + size_t len; + +#ifdef PROM_32BIT_ADDRS + char *opath = NULL; + + if ((uintptr_t)path > (uint32_t)-1) { + opath = path; + len = prom_strlen(opath) + 1; /* include terminating NUL */ + path = promplat_alloc(len); + if (path == NULL) + return (0); + (void) prom_strcpy(path, opath); + } +#endif + len = prom_strlen(path); + + promif_preprom(); + ci[0] = p1275_ptr2cell("call-method"); /* Service name */ + ci[1] = (cell_t)4; /* #argument cells */ + ci[2] = (cell_t)3; /* #result cells */ + ci[3] = p1275_ptr2cell("open-volume"); /* Arg1: Method name */ + ci[4] = p1275_ihandle2cell(fsih); /* Arg2: fs ihandle */ + ci[5] = p1275_uint2cell(len); /* Arg3: Len */ + ci[6] = p1275_ptr2cell(path); /* Arg4: Pathname */ + + (void) p1275_cif_handler(&ci); + + promif_postprom(); + +#ifdef PROM_32BIT_ADDRS + if (opath != NULL) + promplat_free(path, len + 1); +#endif + + if (ci[7] != 0) /* Catch result */ + return (-1); + + if (ci[8] == 0) /* Res1: failed */ + return (-1); + + return (p1275_cell2int(ci[9])); /* Res2: fd */ +} int prom_fseek(ihandle_t fsih, int fd, unsigned long long offset) |