diff options
Diffstat (limited to 'include/uapi/linux')
| -rw-r--r-- | include/uapi/linux/qseecom.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/include/uapi/linux/qseecom.h b/include/uapi/linux/qseecom.h index 4bdd7035bbf0..5c5761d690dd 100644 --- a/include/uapi/linux/qseecom.h +++ b/include/uapi/linux/qseecom.h @@ -233,6 +233,24 @@ struct qseecom_sg_entry_64bit { uint32_t len; } __attribute__ ((packed)); +/* + * sg list buf format version + * 1: Legacy format to support only 512 SG list entries + * 2: new format to support > 512 entries + */ +#define QSEECOM_SG_LIST_BUF_FORMAT_VERSION_1 1 +#define QSEECOM_SG_LIST_BUF_FORMAT_VERSION_2 2 + +struct qseecom_sg_list_buf_hdr_64bit { + struct qseecom_sg_entry_64bit blank_entry; /* must be all 0 */ + uint32_t version; /* sg list buf format version */ + uint64_t new_buf_phys_addr; /* PA of new buffer */ + uint32_t nents_total; /* Total number of SG entries */ +} __attribute__ ((packed)); + +#define QSEECOM_SG_LIST_BUF_HDR_SZ_64BIT \ + sizeof(struct qseecom_sg_list_buf_hdr_64bit) + #define MAX_CE_PIPE_PAIR_PER_UNIT 3 #define INVALID_CE_INFO_UNIT_NUM 0xffffffff |