X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/202a8b1f31fa458e96ad7f20ae056d200b31b029..df61e9d0fec3d5e75820e27e7a2459d132364585:/lunaix-os/hal/ahci/utils.c diff --git a/lunaix-os/hal/ahci/utils.c b/lunaix-os/hal/ahci/utils.c index 9af9cfe..3b1fbcb 100644 --- a/lunaix-os/hal/ahci/utils.c +++ b/lunaix-os/hal/ahci/utils.c @@ -2,24 +2,33 @@ #include #include -#define IDDEV_MAXLBA_OFFSET 60 -#define IDDEV_LSECSIZE_OFFSET 117 -#define IDDEV_WWN_OFFSET 108 -#define IDDEV_SERIALNUM_OFFSET 10 -#define IDDEV_MODELNUM_OFFSET 27 +#define IDDEV_OFFMAXLBA 60 +#define IDDEV_OFFMAXLBA_EXT 230 +#define IDDEV_OFFLSECSIZE 117 +#define IDDEV_OFFWWN 108 +#define IDDEV_OFFSERIALNUM 10 +#define IDDEV_OFFMODELNUM 27 +#define IDDEV_OFFADDSUPPORT 69 void ahci_parse_dev_info(struct hba_device* dev_info, uint16_t* data) { - dev_info->max_lba = *((uint32_t*)(data + IDDEV_MAXLBA_OFFSET)); - dev_info->block_size = *((uint32_t*)(data + IDDEV_LSECSIZE_OFFSET)); - dev_info->cbd_size = (*data & 0x3) ? 12 : 16; - memcpy(&dev_info->wwn, (uint8_t*)(data + IDDEV_WWN_OFFSET), 8); + dev_info->max_lba = *((uint32_t*)(data + IDDEV_OFFMAXLBA)); + dev_info->block_size = *((uint32_t*)(data + IDDEV_OFFLSECSIZE)); + dev_info->cbd_size = (*data & 0x3) ? 16 : 12; + dev_info->wwn = *(uint64_t*)(data + IDDEV_OFFWWN); + if (!dev_info->block_size) { dev_info->block_size = 512; } - ahci_parsestr(&dev_info->serial_num, data + IDDEV_SERIALNUM_OFFSET, 10); - ahci_parsestr(&dev_info->model, data + IDDEV_MODELNUM_OFFSET, 20); + + if ((*(data + IDDEV_OFFADDSUPPORT) & 0x8)) { + dev_info->max_lba = *((uint64_t*)(data + IDDEV_OFFMAXLBA_EXT)); + dev_info->flags |= HBA_DEV_FEXTLBA; + } + + ahci_parsestr(&dev_info->serial_num, data + IDDEV_OFFSERIALNUM, 10); + ahci_parsestr(&dev_info->model, data + IDDEV_OFFMODELNUM, 20); } void