struct sys_dev *list = NULL;
enum sys_dev_type type;
unsigned long long dev_id;
+ unsigned long long class;
if (strcmp(driver, "isci") == 0)
type = SYS_DEV_SAS;
if (devpath_to_ll(path, "device", &dev_id) != 0)
continue;
+ if (devpath_to_ll(path, "class", &class) != 0)
+ continue;
+
/* start / add list entry */
if (!head) {
head = xmalloc(sizeof(*head));
}
list->dev_id = (__u16) dev_id;
+ list->class = (__u32) class;
list->type = type;
list->path = realpath(path, NULL);
list->next = NULL;
static struct sys_dev *intel_devices=NULL;
static time_t valid_time = 0;
-static enum sys_dev_type device_type_by_id(__u16 device_id)
-{
- struct sys_dev *iter;
-
- for(iter = intel_devices; iter != NULL; iter = iter->next)
- if (iter->dev_id == device_id)
- return iter->type;
- return SYS_DEV_UNKNOWN;
-}
-
static int devpath_to_ll(const char *dev_path, const char *entry, unsigned long long *val)
{
char path[strlen(dev_path) + strlen(entry) + 2];
__u8 ver[4];
__u16 vendorID;
__u16 deviceID;
+ __u16 devListOffset;
} __attribute__ ((packed));
-static struct imsm_orom imsm_orom[SYS_DEV_MAX];
-static int populated_orom[SYS_DEV_MAX];
+struct devid_list {
+ __u16 devid;
+ struct devid_list *next;
+};
+
+struct orom_entry {
+ struct imsm_orom orom;
+ struct devid_list *devid_list;
+};
+
+static struct orom_entry oroms[SYS_DEV_MAX];
+
+const struct imsm_orom *get_orom_by_device_id(__u16 dev_id)
+{
+ int i;
+ struct devid_list *list;
+
+ for (i = 0; i < SYS_DEV_MAX; i++) {
+ for (list = oroms[i].devid_list; list; list = list->next) {
+ if (list->devid == dev_id)
+ return &oroms[i].orom;
+ }
+ }
+ return NULL;
+}
+
+static const struct imsm_orom *add_orom(const struct imsm_orom *orom)
+{
+ int i;
+
+ for (i = 0; i < SYS_DEV_MAX; i++) {
+ if (&oroms[i].orom == orom)
+ return orom;
+ if (oroms[i].orom.signature[0] == 0) {
+ oroms[i].orom = *orom;
+ return &oroms[i].orom;
+ }
+ }
+ return NULL;
+}
+
+static void add_orom_device_id(const struct imsm_orom *orom, __u16 dev_id)
+{
+ int i;
+ struct devid_list *list;
+ struct devid_list *prev = NULL;
+
+ for (i = 0; i < SYS_DEV_MAX; i++) {
+ if (&oroms[i].orom == orom) {
+ for (list = oroms[i].devid_list; list; prev = list, list = list->next) {
+ if (list->devid == dev_id)
+ return;
+ }
+ list = xmalloc(sizeof(struct devid_list));
+ list->devid = dev_id;
+ list->next = NULL;
+
+ if (prev == NULL)
+ oroms[i].devid_list = list;
+ else
+ prev->next = list;
+ return;
+ }
+ }
+}
static int scan(const void *start, const void *end, const void *data)
{
int offset;
- const struct imsm_orom *imsm_mem;
- int dev;
+ const struct imsm_orom *imsm_mem = NULL;
int len = (end - start);
struct pciExpDataStructFormat *ptr= (struct pciExpDataStructFormat *)data;
(ulong) __le16_to_cpu(ptr->vendorID),
(ulong) __le16_to_cpu(ptr->deviceID));
- if (__le16_to_cpu(ptr->vendorID) == 0x8086) {
- /* serach attached intel devices by device id from OROM */
- dev = device_type_by_id(__le16_to_cpu(ptr->deviceID));
- if (dev == SYS_DEV_UNKNOWN)
- return 0;
- }
- else
+ if (__le16_to_cpu(ptr->vendorID) != 0x8086)
return 0;
for (offset = 0; offset < len; offset += 4) {
- imsm_mem = start + offset;
- if ((memcmp(imsm_mem->signature, "$VER", 4) == 0)) {
- imsm_orom[dev] = *imsm_mem;
- populated_orom[dev] = 1;
- return populated_orom[SYS_DEV_SATA] && populated_orom[SYS_DEV_SAS];
+ const void *mem = start + offset;
+
+ if ((memcmp(mem, IMSM_OROM_SIGNATURE, 4) == 0)) {
+ imsm_mem = mem;
+ break;
}
}
+
+ if (!imsm_mem)
+ return 0;
+
+ const struct imsm_orom *orom = add_orom(imsm_mem);
+
+ if (ptr->devListOffset) {
+ const __u16 *dev_list = (void *)ptr + ptr->devListOffset;
+ int i;
+
+ for (i = 0; dev_list[i] != 0; i++)
+ add_orom_device_id(orom, dev_list[i]);
+ } else {
+ add_orom_device_id(orom, __le16_to_cpu(ptr->deviceID));
+ }
+
return 0;
}
-const struct imsm_orom *imsm_platform_test(enum sys_dev_type hba_id, int *populated,
- struct imsm_orom *imsm_orom)
+const struct imsm_orom *imsm_platform_test(struct sys_dev *hba)
{
- 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 = IMSM_OROM_DISKS_PER_ARRAY;
- imsm_orom->tds = IMSM_OROM_TOTAL_DISKS;
- imsm_orom->vpa = IMSM_OROM_VOLUMES_PER_ARRAY;
- imsm_orom->vphba = IMSM_OROM_VOLUMES_PER_HBA;
- imsm_orom->attr = imsm_orom->rlc | IMSM_OROM_ATTR_ChecksumVerify;
- *populated = 1;
+ struct imsm_orom orom = {
+ .signature = IMSM_OROM_SIGNATURE,
+ .rlc = IMSM_OROM_RLC_RAID0 | IMSM_OROM_RLC_RAID1 |
+ IMSM_OROM_RLC_RAID10 | IMSM_OROM_RLC_RAID5,
+ .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,
+ .dpa = IMSM_OROM_DISKS_PER_ARRAY,
+ .tds = IMSM_OROM_TOTAL_DISKS,
+ .vpa = IMSM_OROM_VOLUMES_PER_ARRAY,
+ .vphba = IMSM_OROM_VOLUMES_PER_HBA
+ };
+ orom.attr = orom.rlc | IMSM_OROM_ATTR_ChecksumVerify;
if (check_env("IMSM_TEST_OROM_NORAID5")) {
- imsm_orom->rlc = IMSM_OROM_RLC_RAID0 | IMSM_OROM_RLC_RAID1 |
+ orom.rlc = IMSM_OROM_RLC_RAID0 | IMSM_OROM_RLC_RAID1 |
IMSM_OROM_RLC_RAID10;
}
- if (check_env("IMSM_TEST_AHCI_EFI_NORAID5") && (hba_id == SYS_DEV_SAS)) {
- imsm_orom->rlc = IMSM_OROM_RLC_RAID0 | IMSM_OROM_RLC_RAID1 |
+ if (check_env("IMSM_TEST_AHCI_EFI_NORAID5") && (hba->type == SYS_DEV_SAS)) {
+ orom.rlc = IMSM_OROM_RLC_RAID0 | IMSM_OROM_RLC_RAID1 |
IMSM_OROM_RLC_RAID10;
}
- if (check_env("IMSM_TEST_SCU_EFI_NORAID5") && (hba_id == SYS_DEV_SATA)) {
- imsm_orom->rlc = IMSM_OROM_RLC_RAID0 | IMSM_OROM_RLC_RAID1 |
+ if (check_env("IMSM_TEST_SCU_EFI_NORAID5") && (hba->type == SYS_DEV_SATA)) {
+ orom.rlc = IMSM_OROM_RLC_RAID0 | IMSM_OROM_RLC_RAID1 |
IMSM_OROM_RLC_RAID10;
}
- return imsm_orom;
+ const struct imsm_orom *ret = add_orom(&orom);
+
+ add_orom_device_id(ret, hba->dev_id);
+
+ return ret;
}
-static const struct imsm_orom *find_imsm_hba_orom(enum sys_dev_type hba_id)
+static const struct imsm_orom *find_imsm_hba_orom(struct sys_dev *hba)
{
unsigned long align;
- if (hba_id >= SYS_DEV_MAX)
- return NULL;
+ if (check_env("IMSM_TEST_OROM"))
+ return imsm_platform_test(hba);
- /* 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"))
+ if (check_env("IMSM_TEST_AHCI_EFI") || check_env("IMSM_TEST_SCU_EFI"))
return NULL;
find_intel_devices();
scan_adapter_roms(scan);
probe_roms_exit();
- if (populated_orom[hba_id])
- return &imsm_orom[hba_id];
- return NULL;
+ return get_orom_by_device_id(hba->dev_id);
}
#define GUID_STR_MAX 37 /* according to GUID format:
#define VENDOR_GUID \
EFI_GUID(0x193dfefa, 0xa445, 0x4302, 0x99, 0xd8, 0xef, 0x3a, 0xad, 0x1a, 0x04, 0xc6)
-int populated_efi[SYS_DEV_MAX] = { 0, 0 };
-
-static struct imsm_orom imsm_efi[SYS_DEV_MAX];
+#define PCI_CLASS_RAID_CNTRL 0x010400
int read_efi_variable(void *buffer, ssize_t buf_size, char *variable_name, struct efi_guid guid)
{
return 0;
}
-const struct imsm_orom *find_imsm_efi(enum sys_dev_type hba_id)
+const struct imsm_orom *find_imsm_efi(struct sys_dev *hba)
{
- if (hba_id >= SYS_DEV_MAX)
- return NULL;
+ struct imsm_orom orom;
+ const struct imsm_orom *ret;
- dprintf("EFI CAP: %p, pid: %d pop: %d\n",
- &imsm_efi[hba_id], (int) getpid(), populated_efi[hba_id]);
+ if (check_env("IMSM_TEST_AHCI_EFI") || check_env("IMSM_TEST_SCU_EFI"))
+ return imsm_platform_test(hba);
- /* it's static data so we only need to read it once */
- if (populated_efi[hba_id]) {
- dprintf("EFI CAP: %p, pid: %d pop: %d\n",
- &imsm_efi[hba_id], (int) getpid(), populated_efi[hba_id]);
- return &imsm_efi[hba_id];
- }
- if (check_env("IMSM_TEST_AHCI_EFI") ||
- check_env("IMSM_TEST_SCU_EFI")) {
- dprintf("OROM CAP: %p, pid: %d pop: %d\n",
- &imsm_efi[hba_id], (int) getpid(), populated_efi[hba_id]);
- return imsm_platform_test(hba_id, &populated_efi[hba_id], &imsm_efi[hba_id]);
- }
/* OROM test is set, return that there is no EFI capabilities */
if (check_env("IMSM_TEST_OROM"))
return NULL;
- if (read_efi_variable(&imsm_efi[hba_id], sizeof(imsm_efi[0]), hba_id == SYS_DEV_SAS ? SCU_PROP : AHCI_PROP, VENDOR_GUID)) {
- populated_efi[hba_id] = 0;
+ if (hba->type == SYS_DEV_SATA && hba->class != PCI_CLASS_RAID_CNTRL)
return NULL;
- }
- populated_efi[hba_id] = 1;
- return &imsm_efi[hba_id];
-}
+ if (read_efi_variable(&orom, sizeof(orom), hba->type == SYS_DEV_SAS ? SCU_PROP : AHCI_PROP, VENDOR_GUID))
+ return NULL;
-/*
- * backward interface compatibility
- */
-const struct imsm_orom *find_imsm_orom(void)
-{
- return find_imsm_hba_orom(SYS_DEV_SATA);
+ ret = add_orom(&orom);
+ add_orom_device_id(ret, hba->dev_id);
+
+ return ret;
}
-const struct imsm_orom *find_imsm_capability(enum sys_dev_type hba_id)
+const struct imsm_orom *find_imsm_capability(struct sys_dev *hba)
{
- const struct imsm_orom *cap=NULL;
+ const struct imsm_orom *cap = get_orom_by_device_id(hba->dev_id);
+
+ if (cap)
+ return cap;
- if ((cap = find_imsm_efi(hba_id)) != NULL)
+ if ((cap = find_imsm_efi(hba)) != NULL)
return cap;
- if ((cap = find_imsm_hba_orom(hba_id)) != NULL)
+ if ((cap = find_imsm_hba_orom(hba)) != NULL)
return cap;
return NULL;
}
if (super->hba == NULL) {
super->hba = alloc_intel_hba(device);
return 1;
- } else
- /* IMSM metadata disallows to attach disks to multiple
- * controllers.
- */
+ }
+
+ hba = super->hba;
+ /* Intel metadata allows for all disks attached to the same type HBA.
+ * Do not sypport odf HBA types mixing
+ */
+ if (device->type != hba->type)
+ return 2;
+
+ /* Multiple same type HBAs can be used if they share the same OROM */
+ const struct imsm_orom *device_orom = get_orom_by_device_id(device->dev_id);
+
+ if (device_orom != super->orom)
return 2;
+
+ while (hba->next)
+ hba = hba->next;
+
+ hba->next = alloc_intel_hba(device);
+ return 1;
}
static struct sys_dev* find_disk_attached_hba(int fd, const char *devname)
if (!list)
return 2;
for (hba = list; hba; hba = hba->next) {
- orom = find_imsm_capability(hba->type);
- if (!orom) {
- result = 2;
+ if (find_imsm_capability(hba)) {
+ result = 0;
break;
}
else
- result = 0;
+ result = 2;
}
return result;
}
for (hba = list; hba; hba = hba->next) {
if (controller_path && (compare_paths(hba->path,controller_path) != 0))
continue;
- orom = find_imsm_capability(hba->type);
+ orom = find_imsm_capability(hba);
if (!orom)
pr_err("imsm capabilities not found for controller: %s (type %s)\n",
hba->path, get_sys_dev_type(hba->type));
for (hba = list; hba; hba = hba->next) {
if (controller_path && (compare_paths(hba->path,controller_path) != 0))
continue;
- orom = find_imsm_capability(hba->type);
+ orom = find_imsm_capability(hba);
if (!orom) {
if (verbose > 0)
pr_err("IMSM_DETAIL_PLATFORM_ERROR=NO_IMSM_CAPABLE_DEVICE_UNDER_%s\n",hba->path);
* use the same Intel hba
* If not on Intel hba at all, allow anything.
*/
- if (!check_env("IMSM_NO_PLATFORM")) {
- if (first->hba && sec->hba &&
- strcmp(first->hba->path, sec->hba->path) != 0) {
+ if (!check_env("IMSM_NO_PLATFORM") && first->hba && sec->hba) {
+ if (first->hba->type != sec->hba->type) {
+ fprintf(stderr,
+ "HBAs of devices do not match %s != %s\n",
+ get_sys_dev_type(first->hba->type),
+ get_sys_dev_type(sec->hba->type));
+ return 3;
+ }
+ if (first->orom != sec->orom) {
fprintf(stderr,
- "HBAs of devices does not match %s != %s\n",
- first->hba ? first->hba->path : NULL,
- sec->hba ? sec->hba->path : NULL);
+ "HBAs of devices do not match %s != %s\n",
+ first->hba->pci_id, sec->hba->pci_id);
return 3;
}
}
fprintf(stderr, ", ");
hba = hba->next;
}
-
- fprintf(stderr, ").\n");
- cont_err("Mixing devices attached to multiple controllers "
- "is not allowed.\n");
+ fprintf(stderr, ").\n"
+ " Mixing devices attached to different controllers "
+ "is not allowed.\n");
}
return 2;
}
- super->orom = find_imsm_capability(hba_name->type);
+ super->orom = find_imsm_capability(hba_name);
if (!super->orom)
return 3;
return 0;
******************************************************************************/
int validate_container_imsm(struct mdinfo *info)
{
- if (!check_env("IMSM_NO_PLATFORM")) {
- struct sys_dev *idev;
- struct mdinfo *dev;
- char *hba_path = NULL;
- char *dev_path = devt_to_devpath(makedev(info->disk.major,
- info->disk.minor));
+ if (check_env("IMSM_NO_PLATFORM"))
+ return 0;
- for (idev = find_intel_devices(); idev; idev = idev->next) {
- if (strstr(dev_path, idev->path)) {
- hba_path = idev->path;
- break;
- }
+ struct sys_dev *idev;
+ struct sys_dev *hba = NULL;
+ struct sys_dev *intel_devices = find_intel_devices();
+ char *dev_path = devt_to_devpath(makedev(info->disk.major,
+ info->disk.minor));
+
+ for (idev = intel_devices; idev; idev = idev->next) {
+ if (dev_path && strstr(dev_path, idev->path)) {
+ hba = idev;
+ break;
}
+ }
+ if (dev_path)
free(dev_path);
- if (hba_path) {
- for (dev = info->next; dev; dev = dev->next) {
- if (!devt_attached_to_hba(makedev(dev->disk.major,
- dev->disk.minor), hba_path)) {
- pr_err("WARNING - IMSM container assembled with disks under different HBAs!\n"
- " This operation is not supported and can lead to data loss.\n");
- return 1;
- }
+ if (!hba) {
+ pr_err("WARNING - Cannot detect HBA for device %s!\n",
+ devid2kname(makedev(info->disk.major, info->disk.minor)));
+ return 1;
+ }
+
+ const struct imsm_orom *orom = get_orom_by_device_id(hba->dev_id);
+ struct mdinfo *dev;
+
+ for (dev = info->next; dev; dev = dev->next) {
+ dev_path = devt_to_devpath(makedev(dev->disk.major, dev->disk.minor));
+
+ struct sys_dev *hba2 = NULL;
+ for (idev = intel_devices; idev; idev = idev->next) {
+ if (dev_path && strstr(dev_path, idev->path)) {
+ hba2 = idev;
+ break;
}
}
+ if (dev_path)
+ free(dev_path);
+
+ const struct imsm_orom *orom2 = hba2 == NULL ? NULL :
+ get_orom_by_device_id(hba2->dev_id);
+
+ if (hba2 && hba->type != hba2->type) {
+ pr_err("WARNING - HBAs of devices do not match %s != %s\n",
+ get_sys_dev_type(hba->type), get_sys_dev_type(hba2->type));
+ return 1;
+ }
+
+ if (orom != orom2) {
+ pr_err("WARNING - IMSM container assembled with disks under different HBAs!\n"
+ " This operation is not supported and can lead to data loss.\n");
+ return 1;
+ }
+
+ if (!orom) {
+ pr_err("WARNING - IMSM container assembled with disks under HBAs without IMSM platform support!\n"
+ " This operation is not supported and can lead to data loss.\n");
+ return 1;
+ }
}
+
return 0;
}
#ifndef MDASSEMBLE