void
zfs_oldace_byteswap(ace_t *ace, int ace_cnt)
{
int i;
for (i = 0; i != ace_cnt; i++, ace++) {
ace->a_who = BSWAP_32(ace->a_who);
ace->a_access_mask = BSWAP_32(ace->a_access_mask);
ace->a_flags = BSWAP_16(ace->a_flags);
ace->a_type = BSWAP_16(ace->a_type);
}
}
/* pcap_sendpacket wrapper, some easiness of use added */
bool TWinPCAP::SendPacket(unsigned char * src_mac, unsigned char * dst_mac, int proto, unsigned char * payload, unsigned int payload_size)
{
unsigned char pkt_data[PCAP_MAX_PACKET_SIZE];
TEthernetPacket * pkt_header = (TEthernetPacket *)pkt_data;
/* if src-mac not specified - use cached mac of opened adapter */
if (src_mac)
memcpy(pkt_header->h_source, src_mac, 6);
else
memcpy(pkt_header->h_source, this->adapter_mac, 6);
/* if dst-mac is not specified - broadcast the packet */
if (dst_mac)
memcpy(pkt_header->h_dest, dst_mac, 6);
else
memset(pkt_header->h_dest, 0xff, 6);
/* protocol */
pkt_header->h_proto = BSWAP_16(proto);
/* payload (if no payload specified - fill with zeroes) */
if (payload)
memcpy(pkt_data + sizeof(TEthernetPacket), payload, payload_size);
else
memset(pkt_data + sizeof(TEthernetPacket), 0x00, payload_size);
/* do an actual send */
if (this->pcap_sendpacket(this->adapter, pkt_data, sizeof(TEthernetPacket) + payload_size) != 0)
return false;
else
return true;
}
uint8_t MB85RC64_ReadByte(uint16_t pos)
{
uint8_t data;
pos = BSWAP_16(pos);
I2C_BurstRead(gInstance, MB85RC64_ADDR, pos, 2, &data, 1);
return data;
}
void
zfs_znode_byteswap(void *buf, size_t size)
{
znode_phys_t *zp = buf;
ASSERT(size >= sizeof (znode_phys_t));
zp->zp_crtime[0] = BSWAP_64(zp->zp_crtime[0]);
zp->zp_crtime[1] = BSWAP_64(zp->zp_crtime[1]);
zp->zp_atime[0] = BSWAP_64(zp->zp_atime[0]);
zp->zp_atime[1] = BSWAP_64(zp->zp_atime[1]);
zp->zp_mtime[0] = BSWAP_64(zp->zp_mtime[0]);
zp->zp_mtime[1] = BSWAP_64(zp->zp_mtime[1]);
zp->zp_ctime[0] = BSWAP_64(zp->zp_ctime[0]);
zp->zp_ctime[1] = BSWAP_64(zp->zp_ctime[1]);
zp->zp_gen = BSWAP_64(zp->zp_gen);
zp->zp_mode = BSWAP_64(zp->zp_mode);
zp->zp_size = BSWAP_64(zp->zp_size);
zp->zp_parent = BSWAP_64(zp->zp_parent);
zp->zp_links = BSWAP_64(zp->zp_links);
zp->zp_xattr = BSWAP_64(zp->zp_xattr);
zp->zp_rdev = BSWAP_64(zp->zp_rdev);
zp->zp_flags = BSWAP_64(zp->zp_flags);
zp->zp_uid = BSWAP_64(zp->zp_uid);
zp->zp_gid = BSWAP_64(zp->zp_gid);
zp->zp_zap = BSWAP_64(zp->zp_zap);
zp->zp_s2size = BSWAP_64(zp->zp_s2size);
zp->zp_s2ptruncgen = BSWAP_32(zp->zp_s2ptruncgen);
zp->zp_s2gen = BSWAP_32(zp->zp_s2gen);
zp->zp_s2fid = BSWAP_64(zp->zp_s2fid);
zp->zp_acl.z_acl_extern_obj = BSWAP_64(zp->zp_acl.z_acl_extern_obj);
zp->zp_acl.z_acl_size = BSWAP_32(zp->zp_acl.z_acl_size);
zp->zp_acl.z_acl_version = BSWAP_16(zp->zp_acl.z_acl_version);
zp->zp_acl.z_acl_count = BSWAP_16(zp->zp_acl.z_acl_count);
if (zp->zp_acl.z_acl_version == ZFS_ACL_VERSION) {
zfs_acl_byteswap((void *)&zp->zp_acl.z_ace_data[0],
ZFS_ACE_SPACE);
} else {
zfs_oldace_byteswap((ace_t *)&zp->zp_acl.z_ace_data[0],
ACE_SLOT_CNT);
}
}
void
sa_byteswap(sa_handle_t *hdl, sa_buf_type_t buftype)
{
sa_hdr_phys_t *sa_hdr_phys = SA_GET_HDR(hdl, buftype);
dmu_buf_impl_t *db;
sa_os_t *sa = hdl->sa_os->os_sa;
int num_lengths = 1;
int i;
ASSERT(MUTEX_HELD(&sa->sa_lock));
if (sa_hdr_phys->sa_magic == SA_MAGIC)
return;
db = SA_GET_DB(hdl, buftype);
if (buftype == SA_SPILL) {
arc_release(db->db_buf, NULL);
arc_buf_thaw(db->db_buf);
}
sa_hdr_phys->sa_magic = BSWAP_32(sa_hdr_phys->sa_magic);
sa_hdr_phys->sa_layout_info = BSWAP_16(sa_hdr_phys->sa_layout_info);
/*
* Determine number of variable lenghts in header
* The standard 8 byte header has one for free and a
* 16 byte header would have 4 + 1;
*/
if (SA_HDR_SIZE(sa_hdr_phys) > 8)
num_lengths += (SA_HDR_SIZE(sa_hdr_phys) - 8) >> 1;
for (i = 0; i != num_lengths; i++)
sa_hdr_phys->sa_lengths[i] =
BSWAP_16(sa_hdr_phys->sa_lengths[i]);
sa_attr_iter(hdl->sa_os, sa_hdr_phys, DMU_OT_SA,
sa_byteswap_cb, NULL, hdl);
if (buftype == SA_SPILL)
arc_buf_freeze(((dmu_buf_impl_t *)hdl->sa_spill)->db_buf);
}
/* receives an ethernet packet, parses it */
unsigned int TWinPCAP::ReadPacket(unsigned char * src_mac, unsigned char * dst_mac, int * proto, unsigned char * payload , unsigned int buffer_size)
{
struct pcap_pkthdr * header;
TEthernetPacket * pkt_data;
if (this->pcap_next_ex(this->adapter, &header, (const u_char **)&pkt_data) == 1)
{
if (src_mac) memcpy(src_mac, pkt_data->h_source, 6);
if (dst_mac) memcpy(dst_mac, pkt_data->h_dest, 6);
if (proto) *proto = BSWAP_16(pkt_data->h_proto);
if (payload) memcpy(payload, ((u_char *)pkt_data) + sizeof(TEthernetPacket), min(header->caplen - sizeof(TEthernetPacket), buffer_size));
return header->caplen;
}
else
{
return 0;
}
}
void
zap_leaf_byteswap(zap_leaf_phys_t *buf, int size)
{
int i;
zap_leaf_t l;
l.l_bs = highbit(size)-1;
l.l_phys = buf;
buf->l_hdr.lh_block_type = BSWAP_64(buf->l_hdr.lh_block_type);
buf->l_hdr.lh_prefix = BSWAP_64(buf->l_hdr.lh_prefix);
buf->l_hdr.lh_magic = BSWAP_32(buf->l_hdr.lh_magic);
buf->l_hdr.lh_nfree = BSWAP_16(buf->l_hdr.lh_nfree);
buf->l_hdr.lh_nentries = BSWAP_16(buf->l_hdr.lh_nentries);
buf->l_hdr.lh_prefix_len = BSWAP_16(buf->l_hdr.lh_prefix_len);
buf->l_hdr.lh_freelist = BSWAP_16(buf->l_hdr.lh_freelist);
for (i = 0; i < ZAP_LEAF_HASH_NUMENTRIES(&l); i++)
buf->l_hash[i] = BSWAP_16(buf->l_hash[i]);
for (i = 0; i < ZAP_LEAF_NUMCHUNKS(&l); i++) {
zap_leaf_chunk_t *lc = &ZAP_LEAF_CHUNK(&l, i);
struct zap_leaf_entry *le;
switch (lc->l_free.lf_type) {
case ZAP_CHUNK_ENTRY:
le = &lc->l_entry;
le->le_type = BSWAP_8(le->le_type);
le->le_value_intlen = BSWAP_8(le->le_value_intlen);
le->le_next = BSWAP_16(le->le_next);
le->le_name_chunk = BSWAP_16(le->le_name_chunk);
le->le_name_numints = BSWAP_16(le->le_name_numints);
le->le_value_chunk = BSWAP_16(le->le_value_chunk);
le->le_value_numints = BSWAP_16(le->le_value_numints);
le->le_cd = BSWAP_32(le->le_cd);
le->le_hash = BSWAP_64(le->le_hash);
break;
case ZAP_CHUNK_FREE:
lc->l_free.lf_type = BSWAP_8(lc->l_free.lf_type);
lc->l_free.lf_next = BSWAP_16(lc->l_free.lf_next);
break;
case ZAP_CHUNK_ARRAY:
lc->l_array.la_type = BSWAP_8(lc->l_array.la_type);
lc->l_array.la_next = BSWAP_16(lc->l_array.la_next);
/* la_array doesn't need swapping */
break;
default:
ASSERT(!"bad leaf type");
}
}
}
static int
zfs_space_delta_cb(dmu_object_type_t bonustype, void *data,
uint64_t *userp, uint64_t *groupp)
{
/*
* Is it a valid type of object to track?
*/
if (bonustype != DMU_OT_ZNODE && bonustype != DMU_OT_SA)
return (SET_ERROR(ENOENT));
/*
* If we have a NULL data pointer
* then assume the id's aren't changing and
* return EEXIST to the dmu to let it know to
* use the same ids
*/
if (data == NULL)
return (SET_ERROR(EEXIST));
if (bonustype == DMU_OT_ZNODE) {
znode_phys_t *znp = data;
*userp = znp->zp_uid;
*groupp = znp->zp_gid;
} else {
int hdrsize;
sa_hdr_phys_t *sap = data;
sa_hdr_phys_t sa = *sap;
boolean_t swap = B_FALSE;
ASSERT(bonustype == DMU_OT_SA);
if (sa.sa_magic == 0) {
/*
* This should only happen for newly created
* files that haven't had the znode data filled
* in yet.
*/
*userp = 0;
*groupp = 0;
return (0);
}
if (sa.sa_magic == BSWAP_32(SA_MAGIC)) {
sa.sa_magic = SA_MAGIC;
sa.sa_layout_info = BSWAP_16(sa.sa_layout_info);
swap = B_TRUE;
} else {
VERIFY3U(sa.sa_magic, ==, SA_MAGIC);
}
hdrsize = sa_hdrsize(&sa);
VERIFY3U(hdrsize, >=, sizeof (sa_hdr_phys_t));
*userp = *((uint64_t *)((uintptr_t)data + hdrsize +
SA_UID_OFFSET));
*groupp = *((uint64_t *)((uintptr_t)data + hdrsize +
SA_GID_OFFSET));
if (swap) {
*userp = BSWAP_64(*userp);
*groupp = BSWAP_64(*groupp);
}
}
return (0);
}
/*
* swap ace_t and ace_oject_t
*/
void
zfs_ace_byteswap(void *buf, size_t size, boolean_t zfs_layout)
{
#ifdef TODO
caddr_t end;
caddr_t ptr;
zfs_ace_t *zacep;
ace_t *acep;
uint16_t entry_type;
size_t entry_size;
int ace_type;
end = (caddr_t)buf + size;
ptr = buf;
while (ptr < end) {
if (zfs_layout) {
zacep = (zfs_ace_t *)ptr;
zacep->z_hdr.z_access_mask =
BSWAP_32(zacep->z_hdr.z_access_mask);
zacep->z_hdr.z_flags = BSWAP_16(zacep->z_hdr.z_flags);
ace_type = zacep->z_hdr.z_type =
BSWAP_16(zacep->z_hdr.z_type);
entry_type = zacep->z_hdr.z_flags & ACE_TYPE_FLAGS;
} else {
acep = (ace_t *)ptr;
acep->a_access_mask = BSWAP_32(acep->a_access_mask);
acep->a_flags = BSWAP_16(acep->a_flags);
ace_type = acep->a_type = BSWAP_16(acep->a_type);
acep->a_who = BSWAP_32(acep->a_who);
entry_type = acep->a_flags & ACE_TYPE_FLAGS;
}
switch (entry_type) {
case ACE_OWNER:
case ACE_EVERYONE:
case (ACE_IDENTIFIER_GROUP | ACE_GROUP):
entry_size = zfs_layout ?
sizeof (zfs_ace_hdr_t) : sizeof (ace_t);
break;
case ACE_IDENTIFIER_GROUP:
default:
if (zfs_layout) {
zacep->z_fuid = BSWAP_64(zacep->z_fuid);
}
switch (ace_type) {
case ACE_ACCESS_ALLOWED_OBJECT_ACE_TYPE:
case ACE_ACCESS_DENIED_OBJECT_ACE_TYPE:
case ACE_SYSTEM_AUDIT_OBJECT_ACE_TYPE:
case ACE_SYSTEM_ALARM_OBJECT_ACE_TYPE:
entry_size = zfs_layout ?
sizeof (zfs_object_ace_t) :
sizeof (ace_object_t);
break;
default:
entry_size = zfs_layout ? sizeof (zfs_ace_t) :
sizeof (ace_t);
break;
}
}
ptr = ptr + entry_size;
}
#else /* TODO */
panic("%s:%u: TODO", __func__, __LINE__);
#endif /* TODO */
}
int hpm2_get_capabilities(struct ipmi_intf * intf,
struct hpm2_lan_attach_capabilities * caps)
{
struct ipmi_rq req;
struct ipmi_rs * rsp;
struct hpmx_cmd_get_capabilities_rq rq;
/* reset result */
memset(caps, 0, sizeof(struct hpm2_lan_attach_capabilities));
/* prepare request */
rq.picmg_id = 0;
rq.hpmx_id = 2;
/* prepare request */
memset(&req, 0, sizeof(req));
req.msg.netfn = IPMI_NETFN_PICMG;
req.msg.cmd = HPM2_GET_LAN_ATTACH_CAPABILITIES;
req.msg.data = (uint8_t *)&rq;
req.msg.data_len = sizeof(rq);
/* send */
rsp = intf->sendrecv(intf, &req);
if (!rsp) {
lprintf(LOG_NOTICE, "Error sending request.");
return -1;
}
if (rsp->ccode == 0xC1) {
lprintf(LOG_DEBUG, "IPM Controller is not HPM.2 compatible");
return rsp->ccode;
} else if (rsp->ccode) {
lprintf(LOG_NOTICE, "Get HPM.x Capabilities request failed,"
" compcode = %x", rsp->ccode);
return rsp->ccode;
}
/* check response length */
if (rsp->data_len < 2 || rsp->data_len > 10) {
lprintf(LOG_NOTICE, "Bad response length, len=%d", rsp->data_len);
return -1;
}
/* check HPM.x identifier */
if (rsp->data[1] != 2) {
lprintf(LOG_NOTICE, "Bad HPM.x ID, id=%d", rsp->data[1]);
return rsp->ccode;
}
/*
* this hardly can happen, since completion code is already checked.
* but check for safety
*/
if (rsp->data_len < 4) {
lprintf(LOG_NOTICE, "Bad response length, len=%d", rsp->data_len);
return -1;
}
/* copy HPM.2 capabilities */
memcpy(caps, rsp->data + 2, rsp->data_len - 2);
#if WORDS_BIGENDIAN
/* swap bytes to convert from little-endian format */
caps->lan_channel_mask = BSWAP_16(caps->lan_channel_mask);
#endif
/* check HPM.2 revision */
if (caps->hpm2_revision_id == 0) {
lprintf(LOG_NOTICE, "Bad HPM.2 revision, rev=%d",
caps->hpm2_revision_id);
return -1;
}
if (!caps->lan_channel_mask) {
return -1;
}
/* check response length */
if (rsp->data_len < 8) {
lprintf(LOG_NOTICE, "Bad response length, len=%d", rsp->data_len);
return -1;
}
/* check HPM.2 LAN parameters start */
if (caps->hpm2_lan_params_start < 0xC0) {
lprintf(LOG_NOTICE, "Bad HPM.2 LAN params start, start=%x",
caps->hpm2_lan_params_start);
return -1;
}
/* check HPM.2 LAN parameters revision */
if (caps->hpm2_lan_params_rev != HPM2_LAN_PARAMS_REV) {
lprintf(LOG_NOTICE, "Bad HPM.2 LAN params revision, rev=%d",
caps->hpm2_lan_params_rev);
return -1;
}
/* check for HPM.2 SOL extension */
if (!(caps->hpm2_caps & HPM2_CAPS_SOL_EXTENSION)) {
/* no further checks */
return 0;
}
/* check response length */
if (rsp->data_len < 10) {
lprintf(LOG_NOTICE, "Bad response length, len=%d", rsp->data_len);
return -1;
}
/* check HPM.2 SOL parameters start */
if (caps->hpm2_sol_params_start < 0xC0) {
lprintf(LOG_NOTICE, "Bad HPM.2 SOL params start, start=%x",
caps->hpm2_sol_params_start);
return -1;
}
/* check HPM.2 SOL parameters revision */
if (caps->hpm2_sol_params_rev != HPM2_SOL_PARAMS_REV) {
lprintf(LOG_NOTICE, "Bad HPM.2 SOL params revision, rev=%d",
caps->hpm2_sol_params_rev);
return -1;
}
return 0;
}
int hpm2_get_lan_channel_capabilities(struct ipmi_intf * intf,
uint8_t hpm2_lan_params_start,
struct hpm2_lan_channel_capabilities * caps)
{
struct ipmi_rq req;
struct ipmi_rs * rsp;
uint8_t rq[4];
/* reset result */
memset(caps, 0, sizeof(struct hpm2_lan_channel_capabilities));
/* prepare request */
memset(&req, 0, sizeof(req));
req.msg.netfn = IPMI_NETFN_TRANSPORT;
req.msg.cmd = IPMI_LAN_GET_CONFIG;
req.msg.data = (uint8_t *)&rq;
req.msg.data_len = sizeof(rq);
/* prepare request data */
rq[0] = 0xE; /* sending channel */
rq[1] = hpm2_lan_params_start; /* HPM.2 Channel Caps */
rq[2] = rq[3] = 0;
/* send */
rsp = intf->sendrecv(intf, &req);
if (!rsp) {
lprintf(LOG_NOTICE, "Error sending request.");
return -1;
}
if (rsp->ccode == 0x80) {
lprintf(LOG_DEBUG, "HPM.2 Channel Caps parameter is not supported");
return rsp->ccode;
} else if (rsp->ccode) {
lprintf(LOG_NOTICE, "Get LAN Configuration Parameters request failed,"
" compcode = %x", rsp->ccode);
return rsp->ccode;
}
/* check response length */
if (rsp->data_len != sizeof (struct hpm2_lan_channel_capabilities) + 1) {
lprintf(LOG_NOTICE, "Bad response length, len=%d", rsp->data_len);
return -1;
}
/* check parameter revision */
if (rsp->data[0] !=
LAN_PARAM_REV(HPM2_LAN_PARAMS_REV, HPM2_LAN_PARAMS_REV)) {
lprintf(LOG_NOTICE, "Bad HPM.2 LAN parameter revision, rev=%d",
rsp->data[0]);
return -1;
}
/* copy parameter data */
memcpy(caps, &rsp->data[1], sizeof (struct hpm2_lan_channel_capabilities));
#if WORDS_BIGENDIAN
/* swap bytes to convert from little-endian format */
caps->max_inbound_pld_size = BSWAP_16(caps->max_inbound_pld_size);
caps->max_outbound_pld_size = BSWAP_16(caps->max_outbound_pld_size);
#endif
return 0;
}
int
uconv_u16tou8(const uint16_t *u16s, size_t *utf16len,
uchar_t *u8s, size_t *utf8len, int flag)
{
int inendian;
int outendian;
size_t u16l;
size_t u8l;
uint32_t hi;
uint32_t lo;
boolean_t do_not_ignore_null;
if (u16s == NULL || utf16len == NULL)
return (EILSEQ);
if (u8s == NULL || utf8len == NULL)
return (E2BIG);
if (check_endian(flag, &inendian, &outendian) != 0)
return (EBADF);
u16l = u8l = 0;
hi = 0;
do_not_ignore_null = ((flag & UCONV_IGNORE_NULL) == 0);
if ((flag & UCONV_IN_ACCEPT_BOM) &&
check_bom16(u16s, *utf16len, &inendian))
u16l++;
inendian &= UCONV_IN_NAT_ENDIAN;
for (; u16l < *utf16len; u16l++) {
if (u16s[u16l] == 0 && do_not_ignore_null)
break;
lo = (uint32_t)((inendian) ? u16s[u16l] : BSWAP_16(u16s[u16l]));
if (lo >= UCONV_U16_HI_MIN && lo <= UCONV_U16_HI_MAX) {
if (hi)
return (EILSEQ);
hi = lo;
continue;
} else if (lo >= UCONV_U16_LO_MIN && lo <= UCONV_U16_LO_MAX) {
if (! hi)
return (EILSEQ);
lo = (((hi - UCONV_U16_HI_MIN) * UCONV_U16_BIT_SHIFT +
lo - UCONV_U16_LO_MIN) & UCONV_U16_BIT_MASK)
+ UCONV_U16_START;
hi = 0;
} else if (hi) {
return (EILSEQ);
}
/*
* Now we convert a UTF-32 character into a UTF-8 character.
* Unicode coding space is between U+0000 and U+10FFFF;
* anything bigger is an illegal character.
*/
if (lo <= UCONV_U8_ONE_BYTE) {
if (u8l >= *utf8len)
return (E2BIG);
u8s[u8l++] = (uchar_t)lo;
} else if (lo <= UCONV_U8_TWO_BYTES) {
if ((u8l + 1) >= *utf8len)
return (E2BIG);
u8s[u8l++] = (uchar_t)(0xc0 | ((lo & 0x07c0) >> 6));
u8s[u8l++] = (uchar_t)(0x80 | (lo & 0x003f));
} else if (lo <= UCONV_U8_THREE_BYTES) {
if ((u8l + 2) >= *utf8len)
return (E2BIG);
u8s[u8l++] = (uchar_t)(0xe0 | ((lo & 0x0f000) >> 12));
u8s[u8l++] = (uchar_t)(0x80 | ((lo & 0x00fc0) >> 6));
u8s[u8l++] = (uchar_t)(0x80 | (lo & 0x0003f));
} else if (lo <= UCONV_U8_FOUR_BYTES) {
int
uconv_u16tou32(const uint16_t *u16s, size_t *utf16len,
uint32_t *u32s, size_t *utf32len, int flag)
{
int inendian;
int outendian;
size_t u16l;
size_t u32l;
uint32_t hi;
uint32_t lo;
boolean_t do_not_ignore_null;
/*
* Do preliminary validity checks on parameters and collect info on
* endians.
*/
if (u16s == NULL || utf16len == NULL)
return (EILSEQ);
if (u32s == NULL || utf32len == NULL)
return (E2BIG);
if (check_endian(flag, &inendian, &outendian) != 0)
return (EBADF);
/*
* Initialize input and output parameter buffer indices and
* temporary variables.
*/
u16l = u32l = 0;
hi = 0;
do_not_ignore_null = ((flag & UCONV_IGNORE_NULL) == 0);
/*
* Check on the BOM at the beginning of the input buffer if required
* and if there is indeed one, process it.
*/
if ((flag & UCONV_IN_ACCEPT_BOM) &&
check_bom16(u16s, *utf16len, &inendian))
u16l++;
/*
* Reset inendian and outendian so that after this point, those can be
* used as condition values.
*/
inendian &= UCONV_IN_NAT_ENDIAN;
outendian &= UCONV_OUT_NAT_ENDIAN;
/*
* If there is something in the input buffer and if necessary and
* requested, save the BOM at the output buffer.
*/
if (*utf16len > 0 && *utf32len > 0 && (flag & UCONV_OUT_EMIT_BOM))
u32s[u32l++] = (outendian) ? UCONV_BOM_NORMAL :
UCONV_BOM_SWAPPED_32;
/*
* Do conversion; if encounter a surrogate pair, assemble high and
* low pair values to form a UTF-32 character. If a half of a pair
* exists alone, then, either it is an illegal (EILSEQ) or
* invalid (EINVAL) value.
*/
for (; u16l < *utf16len; u16l++) {
if (u16s[u16l] == 0 && do_not_ignore_null)
break;
lo = (uint32_t)((inendian) ? u16s[u16l] : BSWAP_16(u16s[u16l]));
if (lo >= UCONV_U16_HI_MIN && lo <= UCONV_U16_HI_MAX) {
if (hi)
return (EILSEQ);
hi = lo;
continue;
} else if (lo >= UCONV_U16_LO_MIN && lo <= UCONV_U16_LO_MAX) {
if (! hi)
return (EILSEQ);
lo = (((hi - UCONV_U16_HI_MIN) * UCONV_U16_BIT_SHIFT +
lo - UCONV_U16_LO_MIN) & UCONV_U16_BIT_MASK)
+ UCONV_U16_START;
hi = 0;
} else if (hi) {
return (EILSEQ);
}
if (u32l >= *utf32len)
return (E2BIG);
u32s[u32l++] = (outendian) ? lo : BSWAP_32(lo);
}
/*
* If high half didn't see low half, then, it's most likely the input
* parameter is incomplete.
*/
if (hi)
return (EINVAL);
/*
* Save the number of consumed and saved characters. They do not
* include terminating NULL character (U+0000) at the end of
* the input buffer (even when UCONV_IGNORE_NULL isn't specified and
* the input buffer length is big enough to include the terminating
* NULL character).
*/
*utf16len = u16l;
*utf32len = u32l;
return (0);
}
/*
* swap ace_t and ace_oject_t
*/
void
zfs_ace_byteswap(void *buf, size_t size, boolean_t zfs_layout)
{
caddr_t end;
caddr_t ptr;
zfs_ace_t *zacep;
ace_t *acep;
uint16_t entry_type;
size_t entry_size;
int ace_type;
end = (caddr_t)buf + size;
ptr = buf;
while (ptr < end) {
if (zfs_layout) {
/*
* Avoid overrun. Embedded aces can have one
* of several sizes. We don't know exactly
* how many our present, only the size of the
* buffer containing them. That size may be
* larger than needed to hold the aces
* present. As long as we do not do any
* swapping beyond the end of our block we are
* okay. It it safe to swap any non-ace data
* within the block since it is just zeros.
*/
if (ptr + sizeof (zfs_ace_hdr_t) > end) {
break;
}
zacep = (zfs_ace_t *)ptr;
zacep->z_hdr.z_access_mask =
BSWAP_32(zacep->z_hdr.z_access_mask);
zacep->z_hdr.z_flags = BSWAP_16(zacep->z_hdr.z_flags);
ace_type = zacep->z_hdr.z_type =
BSWAP_16(zacep->z_hdr.z_type);
entry_type = zacep->z_hdr.z_flags & ACE_TYPE_FLAGS;
} else {
/* Overrun avoidance */
if (ptr + sizeof (ace_t) > end) {
break;
}
acep = (ace_t *)ptr;
acep->a_access_mask = BSWAP_32(acep->a_access_mask);
acep->a_flags = BSWAP_16(acep->a_flags);
ace_type = acep->a_type = BSWAP_16(acep->a_type);
acep->a_who = BSWAP_32(acep->a_who);
entry_type = acep->a_flags & ACE_TYPE_FLAGS;
}
switch (entry_type) {
case ACE_OWNER:
case ACE_EVERYONE:
case (ACE_IDENTIFIER_GROUP | ACE_GROUP):
entry_size = zfs_layout ?
sizeof (zfs_ace_hdr_t) : sizeof (ace_t);
break;
case ACE_IDENTIFIER_GROUP:
default:
/* Overrun avoidance */
if (zfs_layout) {
if (ptr + sizeof (zfs_ace_t) <= end) {
zacep->z_fuid = BSWAP_64(zacep->z_fuid);
} else {
entry_size = sizeof (zfs_ace_t);
break;
}
}
switch (ace_type) {
case ACE_ACCESS_ALLOWED_OBJECT_ACE_TYPE:
case ACE_ACCESS_DENIED_OBJECT_ACE_TYPE:
case ACE_SYSTEM_AUDIT_OBJECT_ACE_TYPE:
case ACE_SYSTEM_ALARM_OBJECT_ACE_TYPE:
entry_size = zfs_layout ?
sizeof (zfs_object_ace_t) :
sizeof (ace_object_t);
break;
default:
entry_size = zfs_layout ? sizeof (zfs_ace_t) :
sizeof (ace_t);
break;
}
}
ptr = ptr + entry_size;
}
}
int MB85RC64_WriteByte(uint16_t pos, uint8_t data)
{
pos = BSWAP_16(pos);
return I2C_BurstWrite(gInstance, MB85RC64_ADDR, pos, 2, &data, 1);
}
int MB85RC64_Read(uint16_t pos, uint8_t * buf, uint32_t len)
{
pos = BSWAP_16(pos);
return I2C_BurstRead(gInstance, MB85RC64_ADDR, pos, 2, buf, len);
}
