#include <limits.h>
+static int devpath_to_ll(const char *dev_path, const char *entry,
+ unsigned long long *val);
+
static __u16 devpath_to_vendor(const char *dev_path);
void free_sys_dev(struct sys_dev **list)
struct sys_dev *head = NULL;
struct sys_dev *list = NULL;
enum sys_dev_type type;
+ unsigned long long dev_id;
if (strcmp(driver, "isci") == 0)
type = SYS_DEV_SAS;
if (devpath_to_vendor(path) != 0x8086)
continue;
+ if (devpath_to_ll(path, "device", &dev_id) != 0)
+ continue;
+
/* start / add list entry */
if (!head) {
head = malloc(sizeof(*head));
break;
}
+ list->dev_id = (__u16) dev_id;
list->type = type;
list->path = canonicalize_file_name(path);
list->next = NULL;
}
+static struct sys_dev *intel_devices=NULL;
+
+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];
+ int fd;
+ int n;
+
+ sprintf(path, "%s/%s", dev_path, entry);
+
+ fd = open(path, O_RDONLY);
+ if (fd < 0)
+ return -1;
+ n = sysfs_fd_get_ll(fd, val);
+ close(fd);
+ return n;
+}
+
+
static __u16 devpath_to_vendor(const char *dev_path)
{
char path[strlen(dev_path) + strlen("/vendor") + 1];
return ahci;
}
-static int platform_has_intel_devices(void)
-{
- struct sys_dev *devices;
- devices = find_intel_devices();
- if (devices) {
- free_sys_dev(&devices);
- return 1;
- }
- return 0;
-}
-
/*
* PCI Expansion ROM Data Structure Format */
struct pciExpDataStructFormat {
int len = (end - start);
struct pciExpDataStructFormat *ptr= (struct pciExpDataStructFormat *)data;
+ if (data + 0x18 > end) {
+ dprintf("cannot find pciExpDataStruct \n");
+ return 0;
+ }
+
dprintf("ptr->vendorID: %lx __le16_to_cpu(ptr->deviceID): %lx \n",
(ulong) __le16_to_cpu(ptr->vendorID),
(ulong) __le16_to_cpu(ptr->deviceID));
- if ((__le16_to_cpu(ptr->vendorID) == 0x8086) &&
- (__le16_to_cpu(ptr->deviceID) == 0x2822))
- dev = SYS_DEV_SATA;
- else if ((__le16_to_cpu(ptr->vendorID) == 0x8086) &&
- (__le16_to_cpu(ptr->deviceID) == 0x1D60))
- dev = SYS_DEV_SAS;
+ 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
return 0;
check_env("IMSM_TEST_SCU_EFI"))
return NULL;
- if (!platform_has_intel_devices())
+
+ 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 (probe_roms_init(align) != 0)
return NULL;
probe_roms();
- /* ignore result - True is returned if both are found */
+ /* 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;