diff options
Diffstat (limited to 'include/scsi/sas.h')
-rw-r--r-- | include/scsi/sas.h | 67 |
1 files changed, 40 insertions, 27 deletions
diff --git a/include/scsi/sas.h b/include/scsi/sas.h index a5d8ae49198c..71b749bed3b0 100644 --- a/include/scsi/sas.h +++ b/include/scsi/sas.h @@ -95,6 +95,8 @@ enum sas_protocol { SAS_PROTOCOL_SSP = 0x08, SAS_PROTOCOL_ALL = 0x0E, SAS_PROTOCOL_STP_ALL = SAS_PROTOCOL_STP|SAS_PROTOCOL_SATA, + /* these are internal to libsas */ + SAS_PROTOCOL_INTERNAL_ABORT = 0x10, }; /* From the spec; local phys only */ @@ -191,6 +193,13 @@ enum sas_gpio_reg_type { SAS_GPIO_REG_TX_GP = 4, }; +/* Response frame DATAPRES field */ +enum { + SAS_DATAPRES_NO_DATA = 0, + SAS_DATAPRES_RESPONSE_DATA = 1, + SAS_DATAPRES_SENSE_DATA = 2, +}; + struct dev_to_host_fis { u8 fis_type; /* 0x34 */ u8 flags; @@ -323,8 +332,10 @@ struct ssp_response_iu { __be32 sense_data_len; __be32 response_data_len; - u8 resp_data[0]; - u8 sense_data[0]; + union { + DECLARE_FLEX_ARRAY(u8, resp_data); + DECLARE_FLEX_ARRAY(u8, sense_data); + }; } __attribute__ ((packed)); struct ssp_command_iu { @@ -346,7 +357,7 @@ struct ssp_command_iu { u8 add_cdb_len:6; u8 cdb[16]; - u8 add_cdb[0]; + u8 add_cdb[]; } __attribute__ ((packed)); struct xfer_rdy_iu { @@ -460,18 +471,6 @@ struct report_phy_sata_resp { __be32 crc; } __attribute__ ((packed)); -struct smp_resp { - u8 frame_type; - u8 function; - u8 result; - u8 reserved; - union { - struct report_general_resp rg; - struct discover_resp disc; - struct report_phy_sata_resp rps; - }; -} __attribute__ ((packed)); - #elif defined(__BIG_ENDIAN_BITFIELD) struct sas_identify_frame { /* Byte 0 */ @@ -554,8 +553,10 @@ struct ssp_response_iu { __be32 sense_data_len; __be32 response_data_len; - u8 resp_data[0]; - u8 sense_data[0]; + union { + DECLARE_FLEX_ARRAY(u8, resp_data); + DECLARE_FLEX_ARRAY(u8, sense_data); + }; } __attribute__ ((packed)); struct ssp_command_iu { @@ -577,7 +578,7 @@ struct ssp_command_iu { u8 _r_c:2; u8 cdb[16]; - u8 add_cdb[0]; + u8 add_cdb[]; } __attribute__ ((packed)); struct xfer_rdy_iu { @@ -691,20 +692,32 @@ struct report_phy_sata_resp { __be32 crc; } __attribute__ ((packed)); -struct smp_resp { +#else +#error "Bitfield order not defined!" +#endif + +struct smp_rg_resp { u8 frame_type; u8 function; u8 result; u8 reserved; - union { - struct report_general_resp rg; - struct discover_resp disc; - struct report_phy_sata_resp rps; - }; + struct report_general_resp rg; } __attribute__ ((packed)); -#else -#error "Bitfield order not defined!" -#endif +struct smp_disc_resp { + u8 frame_type; + u8 function; + u8 result; + u8 reserved; + struct discover_resp disc; +} __attribute__ ((packed)); + +struct smp_rps_resp { + u8 frame_type; + u8 function; + u8 result; + u8 reserved; + struct report_phy_sata_resp rps; +} __attribute__ ((packed)); #endif /* _SAS_H_ */ |