/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
*/
#include <stdio.h>
#include <stdlib.h>
#include <alloca.h>
#include <sys/byteorder.h>
#include "fru_access_impl.h"
#include "fruraw.h"
#pragma init(initialize_raw_access)
static hash_obj_t *hash_table[TABLE_SIZE];
extern raw_list_t *g_raw;
static void
initialize_raw_access(void)
{
int count;
for (count = 0; count < TABLE_SIZE; count++) {
hash_table[count] = NULL;
}
}
static hash_obj_t *
lookup_handle_object(handle_t handle, int object_type)
{
handle_t index_to_hash;
hash_obj_t *first_hash_obj;
hash_obj_t *next_hash_obj;
index_to_hash = (handle % TABLE_SIZE);
first_hash_obj = hash_table[index_to_hash];
for (next_hash_obj = first_hash_obj; next_hash_obj != NULL;
next_hash_obj = next_hash_obj->next) {
if ((handle == next_hash_obj->obj_hdl) &&
(object_type == next_hash_obj->object_type)) {
return (next_hash_obj);
}
}
return (NULL);
}
static void
add_hashobject_to_hashtable(hash_obj_t *hash_obj)
{
handle_t index_to_hash;
static uint64_t handle_count = 0;
hash_obj->obj_hdl = ++handle_count; /* store the handle */
/* where to add ? */
index_to_hash = ((hash_obj->obj_hdl) % TABLE_SIZE);
hash_obj->next = hash_table[index_to_hash];
hash_table[index_to_hash] = hash_obj; /* hash obj. added */
if (hash_obj->next != NULL) {
hash_obj->next->prev = hash_obj;
}
}
static hash_obj_t *
create_container_hash_object(void)
{
hash_obj_t *hash_obj;
container_obj_t *cont_obj;
cont_obj = malloc(sizeof (container_obj_t));
if (cont_obj == NULL) {
return (NULL);
}
hash_obj = malloc(sizeof (hash_obj_t));
if (hash_obj == NULL) {
free(cont_obj);
return (NULL);
}
cont_obj->sec_obj_list = NULL;
hash_obj->object_type = CONTAINER_TYPE;
hash_obj->u.cont_obj = cont_obj;
hash_obj->next = NULL;
hash_obj->prev = NULL;
return (hash_obj);
}
static hash_obj_t *
create_section_hash_object(void)
{
hash_obj_t *hash_obj;
section_obj_t *sec_obj;
sec_obj = malloc(sizeof (section_obj_t));
if (sec_obj == NULL) {
return (NULL);
}
hash_obj = malloc(sizeof (hash_obj_t));
if (hash_obj == NULL) {
free(sec_obj);
return (NULL);
}
sec_obj->next = NULL;
sec_obj->seg_obj_list = NULL;
hash_obj->u.sec_obj = sec_obj;
hash_obj->object_type = SECTION_TYPE;
hash_obj->next = NULL;
hash_obj->prev = NULL;
return (hash_obj);
}
static hash_obj_t *
create_segment_hash_object(void)
{
hash_obj_t *hash_obj;
segment_obj_t *seg_obj;
seg_obj = malloc(sizeof (segment_obj_t));
if (seg_obj == NULL) {
return (NULL);
}
hash_obj = malloc(sizeof (hash_obj_t));
if (hash_obj == NULL) {
free(seg_obj);
return (NULL);
}
seg_obj->next = NULL;
seg_obj->pkt_obj_list = NULL;
hash_obj->object_type = SEGMENT_TYPE;
hash_obj->u.seg_obj = seg_obj;
hash_obj->next = NULL;
hash_obj->prev = NULL;
return (hash_obj);
}
static hash_obj_t *
create_packet_hash_object(void)
{
hash_obj_t *hash_obj;
packet_obj_t *pkt_obj;
pkt_obj = malloc(sizeof (packet_obj_t));
if (pkt_obj == NULL) {
return (NULL);
}
hash_obj = malloc(sizeof (hash_obj_t));
if (hash_obj == NULL) {
free(pkt_obj);
return (NULL);
}
pkt_obj->next = NULL;
hash_obj->object_type = PACKET_TYPE;
hash_obj->u.pkt_obj = pkt_obj;
hash_obj->next = NULL;
hash_obj->prev = NULL;
return (hash_obj);
}
static hash_obj_t *
get_container_hash_object(int object_type, handle_t handle)
{
hash_obj_t *hash_obj;
switch (object_type) {
case CONTAINER_TYPE:
break;
case SECTION_TYPE:
hash_obj = lookup_handle_object(handle, CONTAINER_TYPE);
if (hash_obj == NULL) {
return (NULL);
}
break;
case SEGMENT_TYPE:
hash_obj = lookup_handle_object(handle, SECTION_TYPE);
if (hash_obj == NULL) {
return (NULL);
}
hash_obj = lookup_handle_object(hash_obj->u.sec_obj->cont_hdl,
CONTAINER_TYPE);
break;
case PACKET_TYPE:
break;
default:
return (NULL);
}
return (hash_obj);
}
static void
add_to_pkt_object_list(hash_obj_t *parent_obj, hash_obj_t *child_obj)
{
hash_obj_t *next_hash;
/* add the packet object in the end of list */
child_obj->u.pkt_obj->segment_hdl = parent_obj->obj_hdl;
if (parent_obj->u.seg_obj->pkt_obj_list == NULL) {
parent_obj->u.seg_obj->pkt_obj_list = child_obj;
return;
}
for (next_hash = parent_obj->u.seg_obj->pkt_obj_list;
next_hash->u.pkt_obj->next != NULL;
next_hash = next_hash->u.pkt_obj->next) {
;
}
next_hash->u.pkt_obj->next = child_obj;
}
static void
free_pkt_object_list(hash_obj_t *hash_obj)
{
hash_obj_t *next_obj;
hash_obj_t *free_obj;
next_obj = hash_obj->u.seg_obj->pkt_obj_list;
while (next_obj != NULL) {
free_obj = next_obj;
next_obj = next_obj->u.pkt_obj->next;
/* if prev is NULL it's the first object in the list */
if (free_obj->prev == NULL) {
hash_table[(free_obj->obj_hdl % TABLE_SIZE)] =
free_obj->next;
if (free_obj->next != NULL) {
free_obj->next->prev = free_obj->prev;
}
} else {
free_obj->prev->next = free_obj->next;
if (free_obj->next != NULL) {
free_obj->next->prev = free_obj->prev;
}
}
free(free_obj->u.pkt_obj->payload);
free(free_obj->u.pkt_obj);
free(free_obj);
}
hash_obj->u.seg_obj->pkt_obj_list = NULL;
}
static void
free_segment_hash(handle_t handle, hash_obj_t *sec_hash)
{
hash_obj_t *seg_hash;
hash_obj_t *next_hash;
seg_hash = sec_hash->u.sec_obj->seg_obj_list;
if (seg_hash == NULL) {
return;
}
if (seg_hash->obj_hdl == handle) {
sec_hash->u.sec_obj->seg_obj_list = seg_hash->u.seg_obj->next;
} else {
while (seg_hash->obj_hdl != handle) {
next_hash = seg_hash;
seg_hash = seg_hash->u.seg_obj->next;
if (seg_hash == NULL) {
return;
}
}
next_hash->u.seg_obj->next = seg_hash->u.seg_obj->next;
}
if (seg_hash->prev == NULL) {
hash_table[(seg_hash->obj_hdl % TABLE_SIZE)] = seg_hash->next;
if (seg_hash->next != NULL) {
seg_hash->next->prev = NULL;
}
} else {
seg_hash->prev->next = seg_hash->next;
if (seg_hash->next != NULL) {
seg_hash->next->prev = seg_hash->prev;
}
}
free_pkt_object_list(seg_hash);
free(seg_hash->u.seg_obj);
free(seg_hash);
}
static void
add_to_sec_object_list(hash_obj_t *parent_obj, hash_obj_t *child_obj)
{
hash_obj_t *next_hash;
child_obj->u.sec_obj->cont_hdl = parent_obj->obj_hdl;
if (parent_obj->u.cont_obj->sec_obj_list == NULL) {
parent_obj->u.cont_obj->sec_obj_list = child_obj;
return;
}
for (next_hash = parent_obj->u.cont_obj->sec_obj_list;
next_hash->u.sec_obj->next != NULL;
next_hash = next_hash->u.sec_obj->next) {
;
}
next_hash->u.sec_obj->next = child_obj;
}
static void
add_to_seg_object_list(hash_obj_t *parent_obj, hash_obj_t *child_obj)
{
hash_obj_t *next_hash;
child_obj->u.seg_obj->section_hdl = parent_obj->obj_hdl;
if (parent_obj->u.sec_obj->seg_obj_list == NULL) {
parent_obj->u.sec_obj->seg_obj_list = child_obj;
return;
}
for (next_hash = parent_obj->u.sec_obj->seg_obj_list;
next_hash->u.seg_obj->next != NULL;
next_hash = next_hash->u.seg_obj->next) {
;
}
next_hash->u.seg_obj->next = child_obj;
}
static char *
tokenizer(char *buf, char *separator, char **nextBuf, char *matched)
{
int i = 0;
int j = 0;
for (i = 0; buf[i] != '\0'; i++) {
for (j = 0; j < strlen(separator); j++) {
if (buf[i] == separator[j]) {
buf[i] = '\0';
*nextBuf = &(buf[i+1]);
*matched = separator[j];
return (buf);
}
}
}
*nextBuf = buf;
*matched = '\0';
return (NULL);
}
static void
copy_segment_layout(segment_t *seghdr, void *layout)
{
segment_layout_t *seg_layout;
seg_layout = (segment_layout_t *)layout;
(void) memcpy(seghdr->name, &seg_layout->name, SEG_NAME_LEN);
seghdr->descriptor = GET_SEGMENT_DESCRIPTOR;
seghdr->offset = BE_16(seg_layout->offset);
seghdr->length = BE_16(seg_layout->length);
}
static int
get_container_info(const char *def_file, const char *cont_desc_str,
container_info_t *cont_info)
{
char *item;
char *token;
char *field;
char matched;
char buf[1024];
int foundIt = 0;
FILE *file = fopen(def_file, "r");
if (file == NULL)
return (-1);
cont_info->num_sections = 0;
while (fgets(buf, sizeof (buf), file) != NULL) {
/* ignore all comments */
token = tokenizer(buf, "#", &field, &matched);
/* find the names */
token = tokenizer(buf, ":", &field, &matched);
if (token != 0x00) {
token = tokenizer(token, "|", &item, &matched);
while (token != 0x00) {
if (strcmp(token, cont_desc_str) == 0) {
foundIt = 1;
goto found;
}
token = tokenizer(item, "|", &item, &matched);
}
/* check the last remaining item */
if ((item != 0x00) &&
(strcmp(item, cont_desc_str) == 0)) {
foundIt = 1;
goto found;
}
}
}
found :
if (foundIt == 1) {
token = tokenizer(field, ":", &field, &matched);
if (token == 0x00) {
(void) fclose(file);
return (-1);
}
cont_info->header_ver = (headerrev_t)atoi(token);
token = tokenizer(field, ":\n", &field, &matched);
while (token != 0x00) {
token = tokenizer(token, ",", &item, &matched);
if (token == 0x00) {
(void) fclose(file);
return (-1);
}
if (atoi(token) == 1) {
cont_info->section_info[cont_info->
num_sections].description.field.read_only
= 1;
} else if (atoi(token) == 0) {
cont_info->section_info[cont_info->
num_sections].description.field.read_only
= 0;
} else {
(void) fclose(file);
return (-1);
}
token = tokenizer(item, ",", &item, &matched);
if (token == 0x00) {
(void) fclose(file);
return (-1);
}
cont_info->section_info[cont_info->
num_sections].address = atoi(token);
if (item == '\0') {
(void) fclose(file);
return (-1);
}
cont_info->section_info[cont_info->num_sections].size =
atoi(item);
(cont_info->num_sections)++;
token = tokenizer(field, ":\n ", &field, &matched);
}
}
(void) fclose(file);
return (0);
}
/* ARGSUSED */
int
fru_get_segments(section_hdl_t section, segment_t *segment, int maxseg,
door_cred_t *cred)
{
int count;
hash_obj_t *sec_object;
hash_obj_t *seg_object;
section_obj_t *sec_obj;
sec_object = lookup_handle_object(section, SECTION_TYPE);
if (sec_object == NULL) {
return (-1);
}
sec_obj = sec_object->u.sec_obj;
if (sec_obj == NULL) {
return (-1);
}
if (sec_obj->num_of_segment > maxseg) {
return (-1);
}
seg_object = sec_object->u.sec_obj->seg_obj_list;
if (seg_object == NULL) {
return (-1);
}
for (count = 0; count < sec_obj->num_of_segment; count++) {
/* populate segment_t */
segment->handle = seg_object->obj_hdl;
(void) memcpy(segment->name,
seg_object->u.seg_obj->segment.name, SEG_NAME_LEN);
segment->descriptor = seg_object->u.seg_obj->segment.descriptor;
segment->offset = seg_object->u.seg_obj->segment.offset;
segment->length = seg_object->u.seg_obj->segment.length;
seg_object = seg_object->u.seg_obj->next;
segment++;
}
return (0);
}
static int
raw_memcpy(void *buffer, raw_list_t *rawlist, int offset, int size)
{
if (offset + size > rawlist->size) {
size = rawlist->size - offset;
}
(void) memcpy(buffer, &rawlist->raw[offset], size);
return (size);
}
static int
verify_header_crc8(headerrev_t head_ver, unsigned char *bytes, int length)
{
int crc_offset = 0;
unsigned char orig_crc8 = 0;
unsigned char calc_crc8 = 0;
switch (head_ver) {
case SECTION_HDR_VER:
crc_offset = 4;
break;
default:
errno = EINVAL;
return (0);
}
orig_crc8 = bytes[crc_offset];
bytes[crc_offset] = 0x00; /* clear for calc */
calc_crc8 = compute_crc8(bytes, length);
bytes[crc_offset] = orig_crc8; /* restore */
return (orig_crc8 == calc_crc8);
}
static int
get_section(raw_list_t *rawlist, hash_obj_t *sec_hash, section_t *section)
{
int retval;
int size;
int count;
uint16_t hdrver;
hash_obj_t *seg_hash;
unsigned char *buffer;
section_obj_t *sec_obj;
section_layout_t sec_hdr;
segment_layout_t *seg_hdr;
segment_layout_t *seg_buf;
sec_obj = sec_hash->u.sec_obj;
if (sec_obj == NULL) {
return (-1);
}
/* populate section_t */
section->handle = sec_hash->obj_hdl;
section->offset = sec_obj->section.offset;
section->length = sec_obj->section.length;
section->protection = sec_obj->section.protection;
section->version = sec_obj->section.version;
/* read section header layout */
retval = raw_memcpy(&sec_hdr, rawlist, sec_obj->section.offset,
sizeof (sec_hdr));
if (retval != sizeof (sec_hdr)) {
return (-1);
}
hdrver = GET_SECTION_HDR_VERSION;
if ((sec_hdr.headertag != SECTION_HDR_TAG) &&
(hdrver != section->version)) {
return (-1);
}
/* size = section layout + total sizeof segment header */
size = sizeof (sec_hdr) + ((sec_hdr.segmentcount)
* sizeof (segment_layout_t));
buffer = alloca(size);
if (buffer == NULL) {
return (-1);
}
/* segment header buffer */
seg_buf = alloca(size - sizeof (sec_hdr));
if (seg_buf == NULL) {
return (-1);
}
/* read segment header */
retval = raw_memcpy(seg_buf, rawlist,
sec_obj->section.offset + sizeof (sec_hdr),
size - sizeof (sec_hdr));
if (retval != (size - sizeof (sec_hdr))) {
return (-1);
}
/* copy section header layout */
(void) memcpy(buffer, &sec_hdr, sizeof (sec_hdr));
/* copy segment header layout */
(void) memcpy(buffer + sizeof (sec_hdr), seg_buf, size -
sizeof (sec_hdr));
/* verify crc8 */
retval = verify_header_crc8(hdrver, buffer, size);
if (retval != TRUE) {
return (-1);
}
section->version = hdrver;
sec_obj->section.version = hdrver;
seg_hdr = (segment_layout_t *)seg_buf;
/* bug fix for frutool */
if (sec_hash->u.sec_obj->seg_obj_list != NULL) {
return (0);
} else {
sec_obj->num_of_segment = 0;
}
for (count = 0; count < sec_hdr.segmentcount; count++, seg_hdr++) {
seg_hash = create_segment_hash_object();
if (seg_hash == NULL) {
return (-1);
}
add_hashobject_to_hashtable(seg_hash);
copy_segment_layout(&seg_hash->u.seg_obj->segment, seg_hdr);
add_to_seg_object_list(sec_hash, seg_hash);
sec_obj->num_of_segment++;
}
return (0);
}
/* ARGSUSED */
int
fru_get_sections(container_hdl_t container, section_t *section, int maxsec,
door_cred_t *cred)
{
int count;
int num_sec = 0;
hash_obj_t *cont_object;
hash_obj_t *sec_hash;
cont_object = lookup_handle_object(container, CONTAINER_TYPE);
if (cont_object == NULL) {
return (-1);
}
if (cont_object->u.cont_obj->num_of_section > maxsec) {
return (-1);
}
sec_hash = cont_object->u.cont_obj->sec_obj_list;
if (sec_hash == NULL) {
return (-1);
}
for (count = 0; count < cont_object->u.cont_obj->num_of_section;
count++) {
section->version = -1;
/* populate section_t */
if (get_section(g_raw, sec_hash, section) == 0) {
section++;
num_sec++;
}
sec_hash = sec_hash->u.sec_obj->next;
}
return (num_sec);
}
static uint32_t
get_checksum_crc(hash_obj_t *seg_hash, int data_size)
{
int protection;
int offset = 0;
uint32_t crc;
hash_obj_t *sec_hash;
hash_obj_t *pkt_hash;
unsigned char *buffer;
sec_hash = lookup_handle_object(seg_hash->u.seg_obj->section_hdl,
SECTION_TYPE);
if (sec_hash == NULL) {
return ((uint32_t)-1);
}
buffer = alloca(data_size);
if (buffer == NULL) {
return ((uint32_t)-1);
}
/* traverse the packet object list for all the tags and payload */
for (pkt_hash = seg_hash->u.seg_obj->pkt_obj_list; pkt_hash != NULL;
pkt_hash = pkt_hash->u.pkt_obj->next) {
(void) memcpy(buffer + offset, &pkt_hash->u.pkt_obj->tag,
pkt_hash->u.pkt_obj->tag_size);
offset += pkt_hash->u.pkt_obj->tag_size;
(void) memcpy(buffer + offset, pkt_hash->u.pkt_obj->payload,
pkt_hash->u.pkt_obj->paylen);
offset += pkt_hash->u.pkt_obj->paylen;
}
protection = sec_hash->u.sec_obj->section.protection;
if (protection == READ_ONLY_SECTION) { /* read-only section */
crc = compute_crc32(buffer, data_size);
} else { /* read/write section */
crc = compute_checksum32(buffer, data_size);
}
return (crc); /* computed crc */
}
static int
get_packet(raw_list_t *rawlist, void *buffer, int size, int offset)
{
int retval;
retval = raw_memcpy(buffer, rawlist, offset, size);
if (retval != -1) {
return (0);
}
return (-1);
}
static int
get_packets(hash_obj_t *seg_hash, raw_list_t *rawlist, int offset, int length)
{
int tag_size;
int paylen;
int retval;
int seg_limit = 0;
int pktcnt = 0;
char *data;
uint32_t crc;
uint32_t origcrc;
fru_tag_t tag;
hash_obj_t *pkt_hash_obj;
hash_obj_t *sec_hash;
fru_segdesc_t *segdesc;
fru_tagtype_t tagtype;
char *ignore_flag;
retval = get_packet(rawlist, &tag, sizeof (fru_tag_t), offset);
if (retval == -1) {
return (-1);
}
/* section hash object */
sec_hash = lookup_handle_object(seg_hash->u.seg_obj->section_hdl,
SECTION_TYPE);
if (sec_hash == NULL) {
return (-1);
}
seg_hash->u.seg_obj->trailer_offset = offset;
data = (char *)&tag;
while (data[0] != SEG_TRAILER_TAG) {
tagtype = get_tag_type(&tag); /* verify tag type */
if (tagtype == -1) {
return (-1);
}
tag_size = get_tag_size(tagtype);
if (tag_size == -1) {
return (-1);
}
seg_limit += tag_size;
if (seg_limit > length) {
return (-1);
}
paylen = get_payload_length((void *)&tag);
if (paylen == -1) {
return (-1);
}
seg_limit += paylen;
if (seg_limit > length) {
return (-1);
}
if ((offset + tag_size + paylen) >
(sec_hash->u.sec_obj->section.offset +
sec_hash->u.sec_obj->section.length)) {
return (-1);
}
pkt_hash_obj = create_packet_hash_object();
if (pkt_hash_obj == NULL) {
return (-1);
}
pkt_hash_obj->u.pkt_obj->payload = malloc(paylen);
if (pkt_hash_obj->u.pkt_obj->payload == NULL) {
free(pkt_hash_obj);
return (-1);
}
offset += tag_size;
retval = raw_memcpy(pkt_hash_obj->u.pkt_obj->payload, rawlist,
offset, paylen);
if (retval != paylen) {
free(pkt_hash_obj->u.pkt_obj->payload);
free(pkt_hash_obj);
return (-1);
}
/* don't change this */
pkt_hash_obj->u.pkt_obj->tag.raw_data = 0;
(void) memcpy(&pkt_hash_obj->u.pkt_obj->tag, &tag, tag_size);
pkt_hash_obj->u.pkt_obj->paylen = paylen;
pkt_hash_obj->u.pkt_obj->tag_size = tag_size;
pkt_hash_obj->u.pkt_obj->payload_offset = offset;
offset += paylen;
add_hashobject_to_hashtable(pkt_hash_obj);
add_to_pkt_object_list(seg_hash, pkt_hash_obj);
pktcnt++;
retval = get_packet(rawlist, &tag, sizeof (fru_tag_t),
offset);
if (retval == -1) {
return (retval);
}
data = (char *)&tag;
}
segdesc = (fru_segdesc_t *)&seg_hash->u.seg_obj->segment.descriptor;
seg_hash->u.seg_obj->trailer_offset = offset;
if (!segdesc->field.ignore_checksum) {
crc = get_checksum_crc(seg_hash, seg_limit);
offset = seg_hash->u.seg_obj->segment.offset;
retval = raw_memcpy(&origcrc, rawlist, offset + seg_limit + 1,
sizeof (origcrc));
ignore_flag = getenv(IGNORE_CHECK);
if (ignore_flag != NULL) {
return (pktcnt);
}
if (retval != sizeof (origcrc)) {
return (-1);
}
origcrc = BE_32(origcrc);
if (origcrc != crc) {
seg_hash->u.seg_obj->trailer_offset = offset;
return (-1);
}
}
return (pktcnt);
}
/* ARGSUSED */
int
fru_get_num_sections(container_hdl_t container, door_cred_t *cred)
{
hash_obj_t *hash_object;
hash_object = lookup_handle_object(container, CONTAINER_TYPE);
if (hash_object == NULL) {
return (-1);
}
return (hash_object->u.cont_obj->num_of_section);
}
/* ARGSUSED */
int
fru_get_num_segments(section_hdl_t section, door_cred_t *cred)
{
hash_obj_t *sec_object;
section_obj_t *sec_obj;
sec_object = lookup_handle_object(section, SECTION_TYPE);
if (sec_object == NULL) {
return (-1);
}
sec_obj = sec_object->u.sec_obj;
if (sec_obj == NULL) {
return (-1);
}
return (sec_obj->num_of_segment);
}
/* ARGSUSED */
int
fru_get_num_packets(segment_hdl_t segment, door_cred_t *cred)
{
int pktcnt;
int length;
uint16_t offset;
hash_obj_t *cont_hash_obj;
hash_obj_t *seg_hash;
hash_obj_t *sec_hash;
fru_segdesc_t *segdesc;
segment_obj_t *segment_object;
seg_hash = lookup_handle_object(segment, SEGMENT_TYPE);
if (seg_hash == NULL) {
return (-1);
}
segment_object = seg_hash->u.seg_obj;
if (segment_object == NULL) {
return (-1);
}
segdesc = (fru_segdesc_t *)&segment_object->segment.descriptor;
if (segdesc->field.opaque) {
return (0);
}
offset = segment_object->segment.offset;
length = segment_object->segment.length;
cont_hash_obj = get_container_hash_object(SEGMENT_TYPE,
segment_object->section_hdl);
if (cont_hash_obj == NULL) {
return (-1);
}
if (seg_hash->u.seg_obj->pkt_obj_list != NULL) {
return (segment_object->num_of_packets);
}
/* section hash object */
sec_hash = lookup_handle_object(seg_hash->u.seg_obj->section_hdl,
SECTION_TYPE);
if (sec_hash == NULL) {
return (-1);
}
/* valid segment header b'cos crc8 already validated */
if (offset < sec_hash->u.sec_obj->section.offset) {
return (-1);
}
segment_object->num_of_packets = 0;
pktcnt = get_packets(seg_hash, g_raw, offset, length);
if (pktcnt == -1) {
free_pkt_object_list(seg_hash);
seg_hash->u.seg_obj->pkt_obj_list = NULL;
}
segment_object->num_of_packets = pktcnt;
return (segment_object->num_of_packets);
}
/* ARGSUSED */
int
fru_get_packets(segment_hdl_t segment, packet_t *packet, int maxpackets,
door_cred_t *cred)
{
int count;
hash_obj_t *seg_hash_obj;
hash_obj_t *pkt_hash_obj;
/* segment hash object */
seg_hash_obj = lookup_handle_object(segment, SEGMENT_TYPE);
if (seg_hash_obj == NULL) {
return (-1);
}
if (seg_hash_obj->u.seg_obj->num_of_packets != maxpackets) {
return (-1);
}
pkt_hash_obj = seg_hash_obj->u.seg_obj->pkt_obj_list;
if (pkt_hash_obj == NULL) {
return (-1);
}
for (count = 0; count < maxpackets; count++, packet++) {
packet->handle = pkt_hash_obj->obj_hdl;
packet->tag = 0;
(void) memcpy(&packet->tag, &pkt_hash_obj->u.pkt_obj->tag,
pkt_hash_obj->u.pkt_obj->tag_size);
pkt_hash_obj = pkt_hash_obj->u.pkt_obj->next;
}
return (0);
}
/* ARGSUSED */
ssize_t
fru_get_payload(packet_hdl_t packet, void *buffer, size_t nbytes,
door_cred_t *cred)
{
hash_obj_t *packet_hash_obj;
/* packet hash object */
packet_hash_obj = lookup_handle_object(packet, PACKET_TYPE);
if (packet_hash_obj == NULL) {
return (-1);
}
/* verify payload length */
if (nbytes != packet_hash_obj->u.pkt_obj->paylen) {
return (-1);
}
(void) memcpy(buffer, packet_hash_obj->u.pkt_obj->payload, nbytes);
return (nbytes);
}
container_hdl_t
open_raw_data(raw_list_t *node)
{
char *cont_conf_file = NULL;
hash_obj_t *cont_hash_obj;
hash_obj_t *sec_hash_obj;
container_info_t cont_info;
int retval;
int count;
cont_hash_obj = create_container_hash_object();
if (cont_hash_obj == NULL) {
return (NULL);
}
add_hashobject_to_hashtable(cont_hash_obj);
(void) strncpy(cont_hash_obj->u.cont_obj->device_pathname, "unknown",
sizeof (cont_hash_obj->u.cont_obj->device_pathname));
cont_conf_file = getenv(FRU_CONT_CONF_ENV_VAR);
if (cont_conf_file == NULL) {
cont_conf_file = FRU_CONT_CONF_SPARC;
retval = get_container_info(cont_conf_file, node->cont_type,
&cont_info);
if (retval < 0) {
cont_conf_file = FRU_CONT_CONF_X86;
retval = get_container_info(cont_conf_file,
node->cont_type, &cont_info);
}
} else {
retval = get_container_info(cont_conf_file, node->cont_type,
&cont_info);
}
if (retval < 0) {
return (NULL);
}
cont_hash_obj->u.cont_obj->num_of_section = cont_info.num_sections;
cont_hash_obj->u.cont_obj->sec_obj_list = NULL;
for (count = 0; count < cont_info.num_sections; count++) {
sec_hash_obj = create_section_hash_object();
if (sec_hash_obj == NULL) {
return (NULL);
}
add_hashobject_to_hashtable(sec_hash_obj);
sec_hash_obj->u.sec_obj->section.offset =
cont_info.section_info[count].address;
sec_hash_obj->u.sec_obj->section.protection =
cont_info.section_info[count].description.field.read_only;
sec_hash_obj->u.sec_obj->section.length =
cont_info.section_info[count].size;
sec_hash_obj->u.sec_obj->section.version =
cont_info.header_ver;
add_to_sec_object_list(cont_hash_obj, sec_hash_obj);
}
return (cont_hash_obj->obj_hdl);
}
int
fru_close_container(container_hdl_t container)
{
hash_obj_t *hash_obj;
hash_obj_t *prev_hash;
hash_obj_t *sec_hash_obj;
handle_t obj_hdl;
/* lookup for container hash object */
hash_obj = lookup_handle_object(container, CONTAINER_TYPE);
if (hash_obj == NULL) {
return (0);
}
/* points to section object list */
sec_hash_obj = hash_obj->u.cont_obj->sec_obj_list;
/* traverse section object list */
while (sec_hash_obj != NULL) {
/* traverse segment hash object in the section */
while (sec_hash_obj->u.sec_obj->seg_obj_list != NULL) {
/* object handle of the segment hash object */
obj_hdl =
sec_hash_obj->u.sec_obj->seg_obj_list->obj_hdl;
free_segment_hash(obj_hdl, sec_hash_obj);
}
/* going to free section hash object, relink the hash object */
if (sec_hash_obj->prev == NULL) {
hash_table[(sec_hash_obj->obj_hdl % TABLE_SIZE)] =
sec_hash_obj->next;
if (sec_hash_obj->next != NULL) {
sec_hash_obj->next->prev = NULL;
}
} else {
sec_hash_obj->prev->next = sec_hash_obj->next;
if (sec_hash_obj->next != NULL) {
sec_hash_obj->next->prev = sec_hash_obj->prev;
}
}
prev_hash = sec_hash_obj;
sec_hash_obj = sec_hash_obj->u.sec_obj->next;
free(prev_hash->u.sec_obj); /* free section hash object */
free(prev_hash); /* free section hash */
}
/* free container hash object */
if (hash_obj->prev == NULL) {
hash_table[(hash_obj->obj_hdl % TABLE_SIZE)] =
hash_obj->next;
if (hash_obj->next != NULL) {
hash_obj->next->prev = NULL;
}
} else {
hash_obj->prev->next = hash_obj->next;
if (hash_obj->next != NULL) {
hash_obj->next->prev = hash_obj->prev;
}
}
free(hash_obj->u.cont_obj);
free(hash_obj);
return (0);
}