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imsm: detail_platform_imsm displays AHCI and SAS controller information 

The function uses find_intel_device and find_imsm_capability to present
AHCI and SAS controller capabilities taken from OROM or EFI.

Signed-off-by: Marcin Labun <marcin.labun@intel.com>
Signed-off-by: NeilBrown <neilb@suse.de>
This commit is contained in:
Labun, Marcin 2011-03-10 11:46:11 +11:00 committed by NeilBrown
parent b4cf4cba74
commit a891a3c24d
1 changed files with 58 additions and 47 deletions
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105
super-intel.c
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@ -1346,49 +1346,8 @@ static int ahci_get_port_count(const char *hba_path, int *port_count)
return host_base;
}
static int detail_platform_imsm(int verbose, int enumerate_only)
static void print_imsm_capability(const struct imsm_orom *orom)
{
/* There are two components to imsm platform support, the ahci SATA
* controller and the option-rom. To find the SATA controller we
* simply look in /sys/bus/pci/drivers/ahci to see if an ahci
* controller with the Intel vendor id is present. This approach
* allows mdadm to leverage the kernel's ahci detection logic, with the
* caveat that if ahci.ko is not loaded mdadm will not be able to
* detect platform raid capabilities. The option-rom resides in a
* platform "Adapter ROM". We scan for its signature to retrieve the
* platform capabilities. If raid support is disabled in the BIOS the
* option-rom capability structure will not be available.
*/
const struct imsm_orom *orom;
struct sys_dev *list, *hba;
int host_base = 0;
int port_count = 0;
int result=0;
if (enumerate_only) {
if (check_env("IMSM_NO_PLATFORM") || find_imsm_orom())
return 0;
return 2;
}
list = find_intel_devices();
if (!list) {
if (verbose)
fprintf(stderr, Name ": no active Intel(R) RAID "
"controller found.\n");
free_sys_dev(&list);
return 2;
} else if (verbose)
print_found_intel_controllers(list);
orom = find_imsm_orom();
if (!orom) {
free_sys_dev(&list);
if (verbose)
fprintf(stderr, Name ": imsm option-rom not found\n");
return 2;
}
printf(" Platform : Intel(R) Matrix Storage Manager\n");
printf(" Version : %d.%d.%d.%d\n", orom->major_ver, orom->minor_ver,
orom->hotfix_ver, orom->build);
@ -1417,6 +1376,63 @@ static int detail_platform_imsm(int verbose, int enumerate_only)
imsm_orom_has_chunk(orom, 1024*64) ? " 64M" : "");
printf(" Max Disks : %d\n", orom->tds);
printf(" Max Volumes : %d\n", orom->vpa);
return;
}
static int detail_platform_imsm(int verbose, int enumerate_only)
{
/* There are two components to imsm platform support, the ahci SATA
* controller and the option-rom. To find the SATA controller we
* simply look in /sys/bus/pci/drivers/ahci to see if an ahci
* controller with the Intel vendor id is present. This approach
* allows mdadm to leverage the kernel's ahci detection logic, with the
* caveat that if ahci.ko is not loaded mdadm will not be able to
* detect platform raid capabilities. The option-rom resides in a
* platform "Adapter ROM". We scan for its signature to retrieve the
* platform capabilities. If raid support is disabled in the BIOS the
* option-rom capability structure will not be available.
*/
const struct imsm_orom *orom;
struct sys_dev *list, *hba;
int host_base = 0;
int port_count = 0;
int result=0;
if (enumerate_only) {
if (check_env("IMSM_NO_PLATFORM"))
return 0;
list = find_intel_devices();
if (!list)
return 2;
for (hba = list; hba; hba = hba->next) {
orom = find_imsm_capability(hba->type);
if (!orom) {
result = 2;
break;
}
}
free_sys_dev(&list);
return result;
}
list = find_intel_devices();
if (!list) {
if (verbose)
fprintf(stderr, Name ": no active Intel(R) RAID "
"controller found.\n");
free_sys_dev(&list);
return 2;
} else if (verbose)
print_found_intel_controllers(list);
for (hba = list; hba; hba = hba->next) {
orom = find_imsm_capability(hba->type);
if (!orom)
fprintf(stderr, Name ": imsm capabilities not found for controller: %s (type %s)\n",
hba->path, get_sys_dev_type(hba->type));
else
print_imsm_capability(orom);
}
for (hba = list; hba; hba = hba->next) {
printf(" I/O Controller : %s (%s)\n",
@ -1430,11 +1446,6 @@ static int detail_platform_imsm(int verbose, int enumerate_only)
"ports on SATA controller at %s.", hba->pci_id);
result |= 2;
}
} else if (hba->type == SYS_DEV_SAS) {
if (verbose)
fprintf(stderr, Name ": failed to enumerate "
"devices on SAS controller at %s.", hba->pci_id);
result |= 2;
}
}