diff options
Diffstat (limited to 'utils/fwparam_ibft/fwparam_ppc.c')
| -rw-r--r-- | utils/fwparam_ibft/fwparam_ppc.c | 606 |
1 files changed, 0 insertions, 606 deletions
diff --git a/utils/fwparam_ibft/fwparam_ppc.c b/utils/fwparam_ibft/fwparam_ppc.c deleted file mode 100644 index da9d76e..0000000 --- a/utils/fwparam_ibft/fwparam_ppc.c +++ /dev/null @@ -1,606 +0,0 @@ -/* - * Copyright (C) IBM Corporation. 2007 - * Author: Doug Maxey <dwm@austin.ibm.com> - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - */ - -#define _XOPEN_SOURCE 500 -#include <ftw.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> -#include <fcntl.h> -#include <errno.h> - -#include "fwparam.h" -#include "fw_context.h" -#include "iscsi_obp.h" -#include "prom_parse.h" -#include "sysdeps.h" -#include "iscsi_err.h" - -void* yy_scan_string(const char *str); -int yyparse(struct ofw_dev *ofwdev); - -#define BOOTPATH "/chosen/bootpath" -#define DT_TOP "/proc/device-tree" -#define LOCAL_MAC_FILE "/local-mac-address" - -static int devtree_offset; -static char *bootpath_val; -static int bytes_read; -#define OFWDEV_MAX (10) -static struct ofw_dev *ofwdevs[OFWDEV_MAX]; -static char *niclist[OFWDEV_MAX]; -static int nic_count; -static int debug; -static int dev_count; - -static void cp_param(char *dest, const char *name, struct ofw_dev *dev, - enum obp_param item, int len) -{ - if (dev->param[item]) - strlcpy(dest, dev->param[item]->val, len); -} - -static void cp_int_param(int *dest, const char *name, struct ofw_dev *dev, - enum obp_param item) -{ - if (dev->param[item]) - *dest = strtol(dev->param[item]->val, NULL, 10); -} - -static char *find_devtree(const char *filename) -{ - char *devtree = strdup(filename); - char *chop_at; - struct stat dt_stat; - int error; - - /* - * What is the path to the device-tree? The only valid - * directories to locate the property are under /aliases or - * /chosen. - */ - - if (!devtree) - return NULL; - - chop_at = strstr(devtree, "/chosen"); - if (!chop_at) - chop_at = strstr(devtree, "/aliases"); - - if (!chop_at) { - char *vdev = malloc(strlen(filename) + strlen("/vdevice") + 1); - - /* - * test to see if there is /vdevice dir - */ - if (vdev) { - sprintf(vdev, "%s%s", filename, "/vdevice"); - error = stat(vdev, &dt_stat); - free(vdev); - if (error) { - free(devtree); - return NULL; - } - } - } else - devtree[chop_at - devtree] = 0; - - if (devtree) - devtree_offset = strlen(devtree); - - return devtree; -} - -/* - * Take the path to the property under chosen, and swizzle to make that - * the base for the device path discovered. - */ -static int locate_mac(const char *devtree, struct ofw_dev *ofwdev) -{ - int error = 0; - int mac_path_len = strlen(ofwdev->dev_path) + strlen(LOCAL_MAC_FILE) + - 2; - char *mac_file; - int mac_fd; - - mac_path_len += strlen(devtree); - mac_file = malloc(mac_path_len); - if (!mac_file) { - error = ENOMEM; - fprintf(stderr, "%s: malloc , %s\n", __func__, - strerror(errno)); - goto lpm_bail; - } - - snprintf(mac_file, mac_path_len, "%s%s%s", devtree, ofwdev->dev_path, - LOCAL_MAC_FILE); - mac_fd = open(mac_file, O_RDONLY); - if (mac_fd < 0) { - error = errno; - fprintf(stderr, "%s: open %s, %s\n", __func__, mac_file, - strerror(errno)); - free(mac_file); - goto lpm_bail; - } - - bytes_read = read(mac_fd, ofwdev->mac, 6); - if (bytes_read != 6) { - error = EIO; - fprintf(stderr, "%s: read %s, %s\n", __func__, mac_file, - strerror(errno)); - } - free(mac_file); - close(mac_fd); - -lpm_bail: - return error; -} - -const char *obp_qual_set(struct ofw_dev *ofwdev, const char *qual) -{ - if (!strcmp("bootp", qual)) - ofwdev->quals[ofwdev->qual_count++] = OBP_QUAL_BOOTP; - else if (!strcmp("dhcpv6", qual)) - ofwdev->quals[ofwdev->qual_count++] = OBP_QUAL_DHCPV6; - else if (!strcmp("ipv6", qual)) - ofwdev->quals[ofwdev->qual_count++] = OBP_QUAL_IPV6; - else if (!strcmp("iscsi", qual)) { - ofwdev->type = OFW_DT_ISCSI; - ofwdev->quals[ofwdev->qual_count++] = OBP_QUAL_ISCSI; - } else if (!strcmp("ping", qual)) - ofwdev->quals[ofwdev->qual_count++] = OBP_QUAL_PING; - else - printf("%s: %s UNKNOWN\n", __func__, qual); - return qual; -} - -void add_obp_parm(struct ofw_dev *ofwdev, enum obp_param parm, const char *str) -{ - int psz = sizeof(struct ofw_obp_param) + strlen(str); - - ofwdev->param[parm] = malloc(psz); - if (ofwdev->param[parm] == NULL) { - printf("%s: ENOMEM!\n", __func__); - return; - } - memset(ofwdev->param[parm], 0, psz); - ofwdev->param[parm]->len = psz; - strcpy(ofwdev->param[parm]->val, str); -} - -void obp_parm_addr(struct ofw_dev *ofwdev, const char *parm, const char *addr) -{ - if (!strcmp("ciaddr", parm)) - add_obp_parm(ofwdev, OBP_PARAM_CIADDR, addr); - else if (!strcmp("dhcp", parm)) - add_obp_parm(ofwdev, OBP_PARAM_DHCP, addr); - else if (!strcmp("giaddr", parm)) - add_obp_parm(ofwdev, OBP_PARAM_GIADDR, addr); - else if (!strcmp("isns", parm)) - add_obp_parm(ofwdev, OBP_PARAM_ISNS, addr); - else if (!strcmp("siaddr", parm)) - add_obp_parm(ofwdev, OBP_PARAM_SIADDR, addr); - else if (!strcmp("slp", parm)) - add_obp_parm(ofwdev, OBP_PARAM_SLP, addr); - else if (!strcmp("subnet-mask", parm)) - add_obp_parm(ofwdev, OBP_PARAM_SUBNET_MASK, addr); - else - printf("%s: %s UNKNOWN\n", __func__, parm); -} - -void obp_parm_iqn(struct ofw_dev *ofwdev, const char *parm, const char *iqn) -{ - if (!strcmp("itname", parm)) - add_obp_parm(ofwdev, OBP_PARAM_ITNAME, iqn); - else if (!strcmp("iname", parm)) - add_obp_parm(ofwdev, OBP_PARAM_INAME, iqn); - else - printf("%s: %s UNKNOWN\n", __func__, parm); -} - -void obp_parm_hexnum(struct ofw_dev *ofwdev, const char *parm, - const char *numstr) -{ - if (!strcmp("bootp-retries", parm)) - add_obp_parm(ofwdev, OBP_PARAM_BOOTP_RETRIES, numstr); - else if (!strcmp("tftp-retries", parm)) - add_obp_parm(ofwdev, OBP_PARAM_TFTP_RETRIES, numstr); - else if (!strcmp("iport", parm)) - add_obp_parm(ofwdev, OBP_PARAM_IPORT, numstr); - else if (!strcmp("ilun", parm)) - add_obp_parm(ofwdev, OBP_PARAM_ILUN, numstr); - else if (!strcmp("isid", parm)) - add_obp_parm(ofwdev, OBP_PARAM_ISID, numstr); - else - printf("%s: %s UNKNOWN <%s>\n", __func__, parm, numstr); -} - -void obp_parm_str(struct ofw_dev *ofwdev, const char *parm, const char *str) -{ - if (!strcmp("filename", parm)) - add_obp_parm(ofwdev, OBP_PARAM_FILENAME, str); - else if (!strcmp("ichapid", parm)) - add_obp_parm(ofwdev, OBP_PARAM_ICHAPID, str); - else if (!strcmp("ichappw", parm)) - add_obp_parm(ofwdev, OBP_PARAM_ICHAPPW, str); - else if (!strcmp("chapid", parm)) - add_obp_parm(ofwdev, OBP_PARAM_CHAPID, str); - else if (!strcmp("chappw", parm)) - add_obp_parm(ofwdev, OBP_PARAM_CHAPPW, str); - else - printf("%s: %s UNKNOWN <%s>\n", __func__, parm, str); -} - -void yyerror(struct ofw_dev *ofwdev, const char *msg) -{ - fprintf(stderr, "%s: error in <%s> at l%d.c%d\n", "fwparam_ppc", - ofwdev->prop_path, yylloc.last_line, yylloc.last_column); -} - -static int parse_params(const char *buf, struct ofw_dev *ofwdev) -{ - int error = 0; -#if YYDEBUG - yydebug = 1; -#endif - - - if (yy_scan_string(buf)) - error = yyparse(ofwdev); - - return error; -} - -static int find_file(const char *filename) -{ - int error, fd; - struct stat bootpath_stat; - - error = stat(filename, &bootpath_stat); - if (error < 0) { - fprintf(stderr, "%s: stat %s, %s\n", __func__, filename, - strerror(errno)); - return error; - } - - bootpath_val = malloc(bootpath_stat.st_size); - if (!bootpath_val) { - error = ENOMEM; - fprintf(stderr, "%s: Could not open %s: %s (%d)\n", - __func__, filename, strerror(error), error); - return -1; - } - - fd = open(filename, O_RDONLY); - if (fd < 0) { - fprintf(stderr, "%s: Could not open %s: %s (%d)\n", - __func__, filename, strerror(errno), errno); - free(bootpath_val); - bootpath_val = NULL; - return -1; - } - - bytes_read = read(fd, bootpath_val, bootpath_stat.st_size); - close(fd); - if (bytes_read != bootpath_stat.st_size) { - fprintf(stderr, "%s: Failed to read %s: %s (%d)\n", - __func__, filename, strerror(EIO), EIO); - free(bootpath_val); - bootpath_val = NULL; - return -1; - } - - return 1; -} - -static int find_nics(const char *fpath, const struct stat *sb, int tflag, - struct FTW *ftw) -{ - if (tflag == FTW_D && - (strstr(fpath + ftw->base, "iscsi-toe") || - strstr(fpath + ftw->base, "ethernet"))) { - - if (nic_count < OFWDEV_MAX) - niclist[nic_count++] = strdup(fpath + devtree_offset); - - } - return 0; -} - -static int nic_cmp(const void *a, const void *b) -{ - return strcmp(a, b); -} - -static int find_initiator(const char *fpath, const struct stat *sb, int tflag, - struct FTW *ftw) -{ - struct ofw_dev *dev; - - if (tflag == FTW_F && (strstr(fpath + ftw->base, - "/aliases/iscsi-disk"))) { - - if (dev_count < OFWDEV_MAX) { - dev = calloc(sizeof(struct ofw_dev), 1); - if (!dev) - return -ENOMEM; - - dev->prop_path = strdup(fpath + devtree_offset); - if (!dev->prop_path) { - free(dev); - return errno; - } - ofwdevs[dev_count++] = dev; - } - } - return 0; -} - -static int loop_devs(const char *devtree) -{ - int error; - int i; - char prefix[256]; - - nic_count = 0; - error = nftw(devtree, find_nics, 20, 0); - if (error) - return error; - - /* - * Sort the nics into "natural" order. The proc fs - * device-tree has them in somewhat random, or reversed order. - */ - qsort(niclist, nic_count, sizeof(char *), nic_cmp); - - snprintf(prefix, sizeof(prefix), "%s/%s", devtree, "aliases"); - dev_count = 0; - error = nftw(prefix, find_initiator, 20, 0); - if (error) - return error; - - for (i = 0; i < dev_count; i++) { - snprintf(prefix, sizeof(prefix), "%s%s", devtree, - ofwdevs[i]->prop_path); - if (find_file(prefix) > 0) { - error = parse_params(bootpath_val, ofwdevs[i]); - if (!error) - error = locate_mac(devtree, ofwdevs[i]); - - free(bootpath_val); - bootpath_val = NULL; - } - } - return error; -} - -#define set_context(fld,abrv,item) \ - cp_param(context->fld, (abrv), ofwdev, (item), sizeof(context->fld)) -#define set_int_context(fld,abrv,item) \ - cp_int_param(&context->fld, (abrv), ofwdev, (item)) - -static void fill_context(struct boot_context *context, struct ofw_dev *ofwdev) -{ - int ndx; - - memset(context, 0, sizeof(*context)); - - set_context(initiatorname, "NAME", OBP_PARAM_ITNAME); - - snprintf(context->mac, sizeof(context->mac), - "%02x:%02x:%02x:%02x:%02x:%02x", - ofwdev->mac[0], ofwdev->mac[1], ofwdev->mac[2], - ofwdev->mac[3], ofwdev->mac[4], ofwdev->mac[5]); - - /* - * nic parameters - */ - for (ndx = 0; ndx < nic_count; ndx++) { - if (!strcmp(niclist[ndx], ofwdev->dev_path)) { - snprintf(context->iface, sizeof(context->iface), - "eth%d", ndx); - break; - } - } - - set_context(ipaddr, "IPADDR", OBP_PARAM_CIADDR); - set_context(mask, "MASK", OBP_PARAM_SUBNET_MASK); - - /* - * target parameters - */ - set_context(target_ipaddr, "IPADDR", OBP_PARAM_SIADDR); - set_int_context(target_port, "PORT", OBP_PARAM_IPORT); - set_context(lun, "LUN", OBP_PARAM_ILUN); - set_context(targetname, "NAME", OBP_PARAM_INAME); - set_context(isid, "ISID", OBP_PARAM_ISID); - - /* - * chap stuff is always associated with the target - */ - set_context(chap_name, "CHAP_NAME", OBP_PARAM_ICHAPID); - set_context(chap_password, "CHAP_PASSWORD", OBP_PARAM_ICHAPPW); - set_context(chap_name_in, "CHAP_NAME_IN", OBP_PARAM_CHAPID); - set_context(chap_password_in, "CHAP_PASSWORD_IN", OBP_PARAM_CHAPPW); - -} - -int fwparam_ppc_boot_info(struct boot_context *context) -{ - char filename[FILENAMESZ]; - int error; - char *devtree; - int i; - - /* - * For powerpc, our operations are fundamentally to locate - * either the one boot target (the singleton disk), or to find - * the nics that support iscsi boot. The only nics in IBM - * systems that can support iscsi are the ones that provide - * the appropriate FCODE with a load method. - */ - memset(filename, 0, FILENAMESZ); - snprintf(filename, FILENAMESZ, "%s%s", DT_TOP, BOOTPATH); - - if (debug) - fprintf(stderr, "%s: file:%s; debug:%d\n", __func__, filename, - debug); - - devtree = find_devtree(filename); - if (!devtree) - return ISCSI_ERR_INVAL; - - /* - * Always search the device-tree to find the capable nic devices. - */ - error = loop_devs(devtree); - if (error) - goto free_devtree; - - if (find_file(filename) < 1) { - error = ISCSI_ERR_NO_OBJS_FOUND; - goto free_devtree; - } else { - if (debug) - printf("%s:\n%s\n\n", filename, bootpath_val); - /* - * We find *almost* everything we need in the - * bootpath, save the mac-address. - */ - - if (!strstr(bootpath_val, "iscsi")) { - error = ISCSI_ERR_INVAL; - goto free_bootpath_val; - } - ofwdevs[0] = calloc(1, sizeof(struct ofw_dev)); - if (!ofwdevs[0]) { - error = ISCSI_ERR_NOMEM; - goto free_bootpath_val; - } - - error = parse_params(bootpath_val, ofwdevs[0]); - if (!error) - error = locate_mac(devtree, ofwdevs[0]); - if (!error) { - if (!context) - error = ISCSI_ERR_NOMEM; - else - fill_context(context, ofwdevs[0]); - } - free(ofwdevs[0]); - } - -free_bootpath_val: - free(bootpath_val); - bootpath_val = NULL; - -free_devtree: - free(devtree); - for (i = 0; i < dev_count; i++) - if (ofwdevs[i]) - free(ofwdevs[i]); - - return error; -} - -/* - * Due to lack of time this is just fwparam_ppc_boot_info which - * adds the target used for boot to the list. It does not add - * all possible targets (IBM please add). - */ -int fwparam_ppc_get_targets(struct list_head *list) -{ - char filename[FILENAMESZ]; - struct boot_context *context; - int error; - char *devtree; - int i; - - /* - * For powerpc, our operations are fundamentally to locate - * either the one boot target (the singleton disk), or to find - * the nics that support iscsi boot. The only nics in IBM - * systems that can support iscsi are the ones that provide - * the appropriate FCODE with a load method. - */ - memset(filename, 0, FILENAMESZ); - snprintf(filename, FILENAMESZ, "%s%s", DT_TOP, BOOTPATH); - - if (debug) - fprintf(stderr, "%s: file:%s; debug:%d\n", __func__, filename, - debug); - - devtree = find_devtree(filename); - if (!devtree) - return ISCSI_ERR_INVAL; - - /* - * Always search the device-tree to find the capable nic devices. - */ - error = loop_devs(devtree); - if (error) - goto free_devtree; - - if (find_file(filename) < 1) { - error = ISCSI_ERR_NO_OBJS_FOUND; - goto free_devtree; - } else { - if (debug) - printf("%s:\n%s\n\n", filename, bootpath_val); - /* - * We find *almost* everything we need in the - * bootpath, save the mac-address. - */ - - if (!strstr(bootpath_val, "iscsi")) { - error = ISCSI_ERR_INVAL; - goto free_bootpath_val; - } - ofwdevs[0] = calloc(1, sizeof(struct ofw_dev)); - if (!ofwdevs[0]) { - error = ISCSI_ERR_NOMEM; - goto free_bootpath_val; - } - - error = parse_params(bootpath_val, ofwdevs[0]); - if (!error) - error = locate_mac(devtree, ofwdevs[0]); - if (!error) { - context = calloc(1, sizeof(*context)); - if (!context) - error = ISCSI_ERR_NOMEM; - else { - fill_context(context, ofwdevs[0]); - list_add_tail(&context->list, list); - } - } - free(ofwdevs[0]); - } -free_bootpath_val: - free(bootpath_val); - bootpath_val = NULL; - -free_devtree: - free(devtree); - for (i = 0; i < dev_count; i++) - if (ofwdevs[i]) - free(ofwdevs[i]); - - return error; -} |