diff options
Diffstat (limited to 'module/zfs/qat.h')
| -rw-r--r-- | module/zfs/qat.h | 63 |
1 files changed, 32 insertions, 31 deletions
diff --git a/module/zfs/qat.h b/module/zfs/qat.h index 4866dfe15..dc8825de2 100644 --- a/module/zfs/qat.h +++ b/module/zfs/qat.h @@ -46,96 +46,97 @@ typedef enum qat_encrypt_dir { #define QAT_TIMEOUT_MS 500 /* - * The minimal and maximal buffer size, which are not restricted + * The minimal and maximal buffer size which are not restricted * in the QAT hardware, but with the input buffer size between 4KB - * and 128KB, the hardware can provide the optimal performance. + * and 128KB the hardware can provide the optimal performance. */ #define QAT_MIN_BUF_SIZE (4*1024) #define QAT_MAX_BUF_SIZE (128*1024) /* - * Used for qat kstat. + * Used for QAT kstat. */ typedef struct qat_stats { /* - * Number of jobs submitted to qat compression engine. + * Number of jobs submitted to QAT compression engine. */ kstat_named_t comp_requests; /* - * Total bytes sent to qat compression engine. + * Total bytes sent to QAT compression engine. */ kstat_named_t comp_total_in_bytes; /* - * Total bytes output from qat compression engine. + * Total bytes output from QAT compression engine. */ kstat_named_t comp_total_out_bytes; /* - * Number of jobs submitted to qat de-compression engine. + * Number of jobs submitted to QAT de-compression engine. */ kstat_named_t decomp_requests; /* - * Total bytes sent to qat de-compression engine. + * Total bytes sent to QAT de-compression engine. */ kstat_named_t decomp_total_in_bytes; /* - * Total bytes output from qat de-compression engine. + * Total bytes output from QAT de-compression engine. */ kstat_named_t decomp_total_out_bytes; /* - * Number of fails in the qat compression / decompression engine. - * Note: when qat fail happens, it doesn't mean a critical hardware - * issue. Sometimes it is because the output buffer is not big enough. - * The compression job will be transfered to gzip software - * implementation, so the functionality of ZFS is not impacted. + * Number of fails in the QAT compression / decompression engine. + * Note: when a QAT error happens, it doesn't necessarily indicate a + * critical hardware issue. Sometimes it is because the output buffer + * is not big enough. The compression job will be transfered to the + * gzip software implementation so the functionality of ZFS is not + * impacted. */ kstat_named_t dc_fails; /* - * Number of jobs submitted to qat encryption engine. + * Number of jobs submitted to QAT encryption engine. */ kstat_named_t encrypt_requests; /* - * Total bytes sent to qat encryption engine. + * Total bytes sent to QAT encryption engine. */ kstat_named_t encrypt_total_in_bytes; /* - * Total bytes output from qat encryption engine. + * Total bytes output from QAT encryption engine. */ kstat_named_t encrypt_total_out_bytes; /* - * Number of jobs submitted to qat decryption engine. + * Number of jobs submitted to QAT decryption engine. */ kstat_named_t decrypt_requests; /* - * Total bytes sent to qat decryption engine. + * Total bytes sent to QAT decryption engine. */ kstat_named_t decrypt_total_in_bytes; /* - * Total bytes output from qat decryption engine. + * Total bytes output from QAT decryption engine. */ kstat_named_t decrypt_total_out_bytes; /* - * Number of fails in the qat encryption / decryption engine. - * Note: when qat fail happens, it doesn't mean a critical hardware - * issue. Sometimes it is because the output buffer is not big enough. - * The encryption job will be transfered to the software implementation, - * so the functionality of ZFS is not impacted. + * Number of fails in the QAT encryption / decryption engine. + * Note: when a QAT error happens, it doesn't necessarily indicate a + * critical hardware issue. The encryption job will be transfered + * to the software implementation so the functionality of ZFS is + * not impacted. */ kstat_named_t crypt_fails; /* - * Number of jobs submitted to qat checksum engine. + * Number of jobs submitted to QAT checksum engine. */ kstat_named_t cksum_requests; /* - * Total bytes sent to qat checksum engine. + * Total bytes sent to QAT checksum engine. */ kstat_named_t cksum_total_in_bytes; /* - * Number of fails in the qat checksum engine. - * Note: when qat fail happens, it doesn't mean a critical hardware - * issue. The checksum job will be transfered to the software - * implementation, so the functionality of ZFS is not impacted. + * Number of fails in the QAT checksum engine. + * Note: when a QAT error happens, it doesn't necessarily indicate a + * critical hardware issue. The checksum job will be transfered to the + * software implementation so the functionality of ZFS is not impacted. */ kstat_named_t cksum_fails; } qat_stats_t; |