/*
* Common code to copy out the SMBIOS snapshot used for both read and mmap.
* The caller must validate uio_offset for us since semantics differ there.
* The copy is done in two stages, either of which can be skipped based on the
* offset and length: first we copy the entry point, with 'staddr' recalculated
* to indicate the offset of the data buffer, and second we copy the table.
*/
static int
smb_uiomove(smb_clone_t *cp, uio_t *uio)
{
off_t off = uio->uio_offset;
size_t len = uio->uio_resid;
int err = 0;
if (off + len > cp->c_eplen + cp->c_stlen)
len = cp->c_eplen + cp->c_stlen - off;
if (off < cp->c_eplen) {
smbios_entry_t *ep = kmem_zalloc(cp->c_eplen, KM_SLEEP);
size_t eprlen = MIN(len, cp->c_eplen - off);
smbios_info_smbios(cp->c_hdl, ep);
ep->smbe_staddr = (uint32_t)cp->c_eplen;
smbios_checksum(cp->c_hdl, ep);
err = uiomove((char *)ep + off, eprlen, UIO_READ, uio);
kmem_free(ep, cp->c_eplen);
off += eprlen;
len -= eprlen;
}
if (err == 0 && off >= cp->c_eplen) {
char *buf = (char *)smbios_buf(cp->c_hdl);
size_t bufoff = off - cp->c_eplen;
err = uiomove(buf + bufoff,
MIN(len, cp->c_stlen - bufoff), UIO_READ, uio);
}
return (err);
}
static void
print_smbios(smbios_hdl_t *shp, FILE *fp)
{
smbios_entry_t ep;
int i;
smbios_info_smbios(shp, &ep);
oprintf(fp, "Entry Point Anchor Tag: %*.*s\n",
(int)sizeof (ep.smbe_eanchor), (int)sizeof (ep.smbe_eanchor),
ep.smbe_eanchor);
oprintf(fp, "Entry Point Checksum: 0x%x\n", ep.smbe_ecksum);
oprintf(fp, "Entry Point Length: %u\n", ep.smbe_elen);
oprintf(fp, "Entry Point Version: %u.%u\n",
ep.smbe_major, ep.smbe_minor);
oprintf(fp, "Max Structure Size: %u\n", ep.smbe_maxssize);
oprintf(fp, "Entry Point Revision: 0x%x\n", ep.smbe_revision);
oprintf(fp, "Entry Point Revision Data:");
for (i = 0; i < sizeof (ep.smbe_format); i++)
oprintf(fp, " 0x%02x", ep.smbe_format[i]);
oprintf(fp, "\n");
oprintf(fp, "Intermediate Anchor Tag: %*.*s\n",
(int)sizeof (ep.smbe_ianchor), (int)sizeof (ep.smbe_ianchor),
ep.smbe_ianchor);
oprintf(fp, "Intermediate Checksum: 0x%x\n", ep.smbe_icksum);
oprintf(fp, "Structure Table Length: %u\n", ep.smbe_stlen);
oprintf(fp, "Structure Table Address: 0x%x\n", ep.smbe_staddr);
oprintf(fp, "Structure Table Entries: %u\n", ep.smbe_stnum);
oprintf(fp, "DMI BCD Revision: 0x%x\n", ep.smbe_bcdrev);
}
static void
print_slot(smbios_hdl_t *shp, id_t id, FILE *fp)
{
smbios_slot_t s;
smbios_entry_t e;
(void) smbios_info_slot(shp, id, &s);
(void) smbios_info_smbios(shp, &e);
oprintf(fp, " Reference Designator: %s\n", s.smbl_name);
oprintf(fp, " Slot ID: 0x%x\n", s.smbl_id);
desc_printf(smbios_slot_type_desc(s.smbl_type),
fp, " Type: 0x%x", s.smbl_type);
desc_printf(smbios_slot_width_desc(s.smbl_width),
fp, " Width: 0x%x", s.smbl_width);
desc_printf(smbios_slot_usage_desc(s.smbl_usage),
fp, " Usage: 0x%x", s.smbl_usage);
desc_printf(smbios_slot_length_desc(s.smbl_length),
fp, " Length: 0x%x", s.smbl_length);
flag_printf(fp, "Slot Characteristics 1",
s.smbl_ch1, sizeof (s.smbl_ch1) * NBBY,
smbios_slot_ch1_name, smbios_slot_ch1_desc);
flag_printf(fp, "Slot Characteristics 2",
s.smbl_ch2, sizeof (s.smbl_ch2) * NBBY,
smbios_slot_ch2_name, smbios_slot_ch2_desc);
if (check_oem(shp) != 0 && (e.smbe_major < 2 || e.smbe_minor < 6))
return;
oprintf(fp, " Segment Group: %u\n", s.smbl_sg);
oprintf(fp, " Bus Number: %u\n", s.smbl_bus);
oprintf(fp, " Device/Function Number: %u\n", s.smbl_df);
}
