static const struct imsm_orom *find_imsm_hba_orom(enum sys_dev_type hba_id)
{
unsigned long align;
if (hba_id >= SYS_DEV_MAX)
return NULL;
/* it's static data so we only need to read it once */
if (populated_orom[hba_id]) {
dprintf("OROM CAP: %p, pid: %d pop: %d\n",
&imsm_orom[hba_id], (int) getpid(), populated_orom[hba_id]);
return &imsm_orom[hba_id];
}
if (check_env("IMSM_TEST_OROM")) {
dprintf("OROM CAP: %p, pid: %d pop: %d\n",
&imsm_orom[hba_id], (int) getpid(), populated_orom[hba_id]);
return imsm_platform_test(hba_id, &populated_orom[hba_id], &imsm_orom[hba_id]);
}
/* return empty OROM capabilities in EFI test mode */
if (check_env("IMSM_TEST_AHCI_EFI") ||
check_env("IMSM_TEST_SCU_EFI"))
return NULL;
if (intel_devices != NULL)
free_sys_dev(&intel_devices);
intel_devices = find_intel_devices();
if (intel_devices == NULL)
return NULL;
/* scan option-rom memory looking for an imsm signature */
if (check_env("IMSM_SAFE_OROM_SCAN"))
align = 2048;
else
align = 512;
if (probe_roms_init(align) != 0)
return NULL;
probe_roms();
/* ignore return value - True is returned if both adapater roms are found */
scan_adapter_roms(scan);
probe_roms_exit();
if (intel_devices != NULL)
free_sys_dev(&intel_devices);
intel_devices = NULL;
if (populated_orom[hba_id])
return &imsm_orom[hba_id];
return NULL;
}
const struct imsm_orom *find_imsm_orom(void)
{
static int populated = 0;
unsigned long align;
/* it's static data so we only need to read it once */
if (populated)
return &imsm_orom;
if (check_env("IMSM_TEST_OROM")) {
memset(&imsm_orom, 0, sizeof(imsm_orom));
imsm_orom.rlc = IMSM_OROM_RLC_RAID0 | IMSM_OROM_RLC_RAID1 |
IMSM_OROM_RLC_RAID10 | IMSM_OROM_RLC_RAID5;
imsm_orom.sss = IMSM_OROM_SSS_4kB | IMSM_OROM_SSS_8kB |
IMSM_OROM_SSS_16kB | IMSM_OROM_SSS_32kB |
IMSM_OROM_SSS_64kB | IMSM_OROM_SSS_128kB |
IMSM_OROM_SSS_256kB | IMSM_OROM_SSS_512kB |
IMSM_OROM_SSS_1MB | IMSM_OROM_SSS_2MB;
imsm_orom.dpa = 6;
imsm_orom.tds = 6;
imsm_orom.vpa = 2;
imsm_orom.vphba = 4;
imsm_orom.attr = imsm_orom.rlc | IMSM_OROM_ATTR_ChecksumVerify;
populated = 1;
return &imsm_orom;
}
if (!platform_has_intel_ahci())
return NULL;
/* scan option-rom memory looking for an imsm signature */
if (check_env("IMSM_SAFE_OROM_SCAN"))
align = 2048;
else
align = 512;
if (probe_roms_init(align) != 0)
return NULL;
probe_roms();
populated = scan_adapter_roms(scan);
probe_roms_exit();
if (populated)
return &imsm_orom;
return NULL;
}