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Diffstat (limited to 'include/asm-s390/fcx.h')
| -rw-r--r-- | include/asm-s390/fcx.h | 311 |
1 files changed, 0 insertions, 311 deletions
diff --git a/include/asm-s390/fcx.h b/include/asm-s390/fcx.h deleted file mode 100644 index 8be1f3a..0000000 --- a/include/asm-s390/fcx.h +++ /dev/null @@ -1,311 +0,0 @@ -/* - * Functions for assembling fcx enabled I/O control blocks. - * - * Copyright IBM Corp. 2008 - * Author(s): Peter Oberparleiter <peter.oberparleiter@de.ibm.com> - */ - -#ifndef _ASM_S390_FCX_H -#define _ASM_S390_FCX_H _ASM_S390_FCX_H - -#include <linux/types.h> - -#define TCW_FORMAT_DEFAULT 0 -#define TCW_TIDAW_FORMAT_DEFAULT 0 -#define TCW_FLAGS_INPUT_TIDA 1 << (23 - 5) -#define TCW_FLAGS_TCCB_TIDA 1 << (23 - 6) -#define TCW_FLAGS_OUTPUT_TIDA 1 << (23 - 7) -#define TCW_FLAGS_TIDAW_FORMAT(x) ((x) & 3) << (23 - 9) -#define TCW_FLAGS_GET_TIDAW_FORMAT(x) (((x) >> (23 - 9)) & 3) - -/** - * struct tcw - Transport Control Word (TCW) - * @format: TCW format - * @flags: TCW flags - * @tccbl: Transport-Command-Control-Block Length - * @r: Read Operations - * @w: Write Operations - * @output: Output-Data Address - * @input: Input-Data Address - * @tsb: Transport-Status-Block Address - * @tccb: Transport-Command-Control-Block Address - * @output_count: Output Count - * @input_count: Input Count - * @intrg: Interrogate TCW Address - */ -struct tcw { - u32 format:2; - u32 :6; - u32 flags:24; - u32 :8; - u32 tccbl:6; - u32 r:1; - u32 w:1; - u32 :16; - u64 output; - u64 input; - u64 tsb; - u64 tccb; - u32 output_count; - u32 input_count; - u32 :32; - u32 :32; - u32 :32; - u32 intrg; -} __attribute__ ((packed, aligned(64))); - -#define TIDAW_FLAGS_LAST 1 << (7 - 0) -#define TIDAW_FLAGS_SKIP 1 << (7 - 1) -#define TIDAW_FLAGS_DATA_INT 1 << (7 - 2) -#define TIDAW_FLAGS_TTIC 1 << (7 - 3) -#define TIDAW_FLAGS_INSERT_CBC 1 << (7 - 4) - -/** - * struct tidaw - Transport-Indirect-Addressing Word (TIDAW) - * @flags: TIDAW flags. Can be an arithmetic OR of the following constants: - * %TIDAW_FLAGS_LAST, %TIDAW_FLAGS_SKIP, %TIDAW_FLAGS_DATA_INT, - * %TIDAW_FLAGS_TTIC, %TIDAW_FLAGS_INSERT_CBC - * @count: Count - * @addr: Address - */ -struct tidaw { - u32 flags:8; - u32 :24; - u32 count; - u64 addr; -} __attribute__ ((packed, aligned(16))); - -/** - * struct tsa_iostat - I/O-Status Transport-Status Area (IO-Stat TSA) - * @dev_time: Device Time - * @def_time: Defer Time - * @queue_time: Queue Time - * @dev_busy_time: Device-Busy Time - * @dev_act_time: Device-Active-Only Time - * @sense: Sense Data (if present) - */ -struct tsa_iostat { - u32 dev_time; - u32 def_time; - u32 queue_time; - u32 dev_busy_time; - u32 dev_act_time; - u8 sense[32]; -} __attribute__ ((packed)); - -/** - * struct tsa_ddpcs - Device-Detected-Program-Check Transport-Status Area (DDPC TSA) - * @rc: Reason Code - * @rcq: Reason Code Qualifier - * @sense: Sense Data (if present) - */ -struct tsa_ddpc { - u32 :24; - u32 rc:8; - u8 rcq[16]; - u8 sense[32]; -} __attribute__ ((packed)); - -#define TSA_INTRG_FLAGS_CU_STATE_VALID 1 << (7 - 0) -#define TSA_INTRG_FLAGS_DEV_STATE_VALID 1 << (7 - 1) -#define TSA_INTRG_FLAGS_OP_STATE_VALID 1 << (7 - 2) - -/** - * struct tsa_intrg - Interrogate Transport-Status Area (Intrg. TSA) - * @format: Format - * @flags: Flags. Can be an arithmetic OR of the following constants: - * %TSA_INTRG_FLAGS_CU_STATE_VALID, %TSA_INTRG_FLAGS_DEV_STATE_VALID, - * %TSA_INTRG_FLAGS_OP_STATE_VALID - * @cu_state: Controle-Unit State - * @dev_state: Device State - * @op_state: Operation State - * @sd_info: State-Dependent Information - * @dl_id: Device-Level Identifier - * @dd_data: Device-Dependent Data - */ -struct tsa_intrg { - u32 format:8; - u32 flags:8; - u32 cu_state:8; - u32 dev_state:8; - u32 op_state:8; - u32 :24; - u8 sd_info[12]; - u32 dl_id; - u8 dd_data[28]; -} __attribute__ ((packed)); - -#define TSB_FORMAT_NONE 0 -#define TSB_FORMAT_IOSTAT 1 -#define TSB_FORMAT_DDPC 2 -#define TSB_FORMAT_INTRG 3 - -#define TSB_FLAGS_DCW_OFFSET_VALID 1 << (7 - 0) -#define TSB_FLAGS_COUNT_VALID 1 << (7 - 1) -#define TSB_FLAGS_CACHE_MISS 1 << (7 - 2) -#define TSB_FLAGS_TIME_VALID 1 << (7 - 3) -#define TSB_FLAGS_FORMAT(x) ((x) & 7) -#define TSB_FORMAT(t) ((t)->flags & 7) - -/** - * struct tsb - Transport-Status Block (TSB) - * @length: Length - * @flags: Flags. Can be an arithmetic OR of the following constants: - * %TSB_FLAGS_DCW_OFFSET_VALID, %TSB_FLAGS_COUNT_VALID, %TSB_FLAGS_CACHE_MISS, - * %TSB_FLAGS_TIME_VALID - * @dcw_offset: DCW Offset - * @count: Count - * @tsa: Transport-Status-Area - */ -struct tsb { - u32 length:8; - u32 flags:8; - u32 dcw_offset:16; - u32 count; - u32 :32; - union { - struct tsa_iostat iostat; - struct tsa_ddpc ddpc; - struct tsa_intrg intrg; - } __attribute__ ((packed)) tsa; -} __attribute__ ((packed, aligned(8))); - -#define DCW_INTRG_FORMAT_DEFAULT 0 - -#define DCW_INTRG_RC_UNSPECIFIED 0 -#define DCW_INTRG_RC_TIMEOUT 1 - -#define DCW_INTRG_RCQ_UNSPECIFIED 0 -#define DCW_INTRG_RCQ_PRIMARY 1 -#define DCW_INTRG_RCQ_SECONDARY 2 - -#define DCW_INTRG_FLAGS_MPM 1 < (7 - 0) -#define DCW_INTRG_FLAGS_PPR 1 < (7 - 1) -#define DCW_INTRG_FLAGS_CRIT 1 < (7 - 2) - -/** - * struct dcw_intrg_data - Interrogate DCW data - * @format: Format. Should be %DCW_INTRG_FORMAT_DEFAULT - * @rc: Reason Code. Can be one of %DCW_INTRG_RC_UNSPECIFIED, - * %DCW_INTRG_RC_TIMEOUT - * @rcq: Reason Code Qualifier: Can be one of %DCW_INTRG_RCQ_UNSPECIFIED, - * %DCW_INTRG_RCQ_PRIMARY, %DCW_INTRG_RCQ_SECONDARY - * @lpm: Logical-Path Mask - * @pam: Path-Available Mask - * @pim: Path-Installed Mask - * @timeout: Timeout - * @flags: Flags. Can be an arithmetic OR of %DCW_INTRG_FLAGS_MPM, - * %DCW_INTRG_FLAGS_PPR, %DCW_INTRG_FLAGS_CRIT - * @time: Time - * @prog_id: Program Identifier - * @prog_data: Program-Dependent Data - */ -struct dcw_intrg_data { - u32 format:8; - u32 rc:8; - u32 rcq:8; - u32 lpm:8; - u32 pam:8; - u32 pim:8; - u32 timeout:16; - u32 flags:8; - u32 :24; - u32 :32; - u64 time; - u64 prog_id; - u8 prog_data[0]; -} __attribute__ ((packed)); - -#define DCW_FLAGS_CC 1 << (7 - 1) - -#define DCW_CMD_WRITE 0x01 -#define DCW_CMD_READ 0x02 -#define DCW_CMD_CONTROL 0x03 -#define DCW_CMD_SENSE 0x04 -#define DCW_CMD_SENSE_ID 0xe4 -#define DCW_CMD_INTRG 0x40 - -/** - * struct dcw - Device-Command Word (DCW) - * @cmd: Command Code. Can be one of %DCW_CMD_WRITE, %DCW_CMD_READ, - * %DCW_CMD_CONTROL, %DCW_CMD_SENSE, %DCW_CMD_SENSE_ID, %DCW_CMD_INTRG - * @flags: Flags. Can be an arithmetic OR of %DCW_FLAGS_CC - * @cd_count: Control-Data Count - * @count: Count - * @cd: Control Data - */ -struct dcw { - u32 cmd:8; - u32 flags:8; - u32 :8; - u32 cd_count:8; - u32 count; - u8 cd[0]; -} __attribute__ ((packed)); - -#define TCCB_FORMAT_DEFAULT 0x7f -#define TCCB_MAX_DCW 30 -#define TCCB_MAX_SIZE (sizeof(struct tccb_tcah) + \ - TCCB_MAX_DCW * sizeof(struct dcw) + \ - sizeof(struct tccb_tcat)) -#define TCCB_SAC_DEFAULT 0xf901 -#define TCCB_SAC_INTRG 0xf902 - -/** - * struct tccb_tcah - Transport-Command-Area Header (TCAH) - * @format: Format. Should be %TCCB_FORMAT_DEFAULT - * @tcal: Transport-Command-Area Length - * @sac: Service-Action Code. Can be one of %TCCB_SAC_DEFAULT, %TCCB_SAC_INTRG - * @prio: Priority - */ -struct tccb_tcah { - u32 format:8; - u32 :24; - u32 :24; - u32 tcal:8; - u32 sac:16; - u32 :8; - u32 prio:8; - u32 :32; -} __attribute__ ((packed)); - -/** - * struct tccb_tcat - Transport-Command-Area Trailer (TCAT) - * @count: Transport Count - */ -struct tccb_tcat { - u32 :32; - u32 count; -} __attribute__ ((packed)); - -/** - * struct tccb - (partial) Transport-Command-Control Block (TCCB) - * @tcah: TCAH - * @tca: Transport-Command Area - */ -struct tccb { - struct tccb_tcah tcah; - u8 tca[0]; -} __attribute__ ((packed, aligned(8))); - -struct tcw *tcw_get_intrg(struct tcw *tcw); -void *tcw_get_data(struct tcw *tcw); -struct tccb *tcw_get_tccb(struct tcw *tcw); -struct tsb *tcw_get_tsb(struct tcw *tcw); - -void tcw_init(struct tcw *tcw, int r, int w); -void tcw_finalize(struct tcw *tcw, int num_tidaws); - -void tcw_set_intrg(struct tcw *tcw, struct tcw *intrg_tcw); -void tcw_set_data(struct tcw *tcw, void *data, int use_tidal); -void tcw_set_tccb(struct tcw *tcw, struct tccb *tccb); -void tcw_set_tsb(struct tcw *tcw, struct tsb *tsb); - -void tccb_init(struct tccb *tccb, size_t tccb_size, u32 sac); -void tsb_init(struct tsb *tsb); -struct dcw *tccb_add_dcw(struct tccb *tccb, size_t tccb_size, u8 cmd, u8 flags, - void *cd, u8 cd_count, u32 count); -struct tidaw *tcw_add_tidaw(struct tcw *tcw, int num_tidaws, u8 flags, - void *addr, u32 count); - -#endif /* _ASM_S390_FCX_H */ |