/* SPDX-License-Identifier: GPL-2.0 */ /* * 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 #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 0x1ffe #define TCCB_SAC_INTRG 0x1fff /** * 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 */
Name | Type | Size | Permission | Actions |
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fpu | Folder | 0755 |
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trace | Folder | 0755 |
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Kbuild | File | 557 B | 0644 |
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airq.h | File | 3.02 KB | 0644 |
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alternative-asm.h | File | 3.07 KB | 0644 |
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alternative.h | File | 4.99 KB | 0644 |
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ap.h | File | 9.9 KB | 0644 |
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appldata.h | File | 1.54 KB | 0644 |
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archrandom.h | File | 1.17 KB | 0644 |
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asm-prototypes.h | File | 227 B | 0644 |
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atomic.h | File | 5.1 KB | 0644 |
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atomic_ops.h | File | 4.02 KB | 0644 |
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barrier.h | File | 1.84 KB | 0644 |
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bitops.h | File | 10.13 KB | 0644 |
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bug.h | File | 1.49 KB | 0644 |
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bugs.h | File | 441 B | 0644 |
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cache.h | File | 387 B | 0644 |
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ccwdev.h | File | 7.99 KB | 0644 |
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ccwgroup.h | File | 2.53 KB | 0644 |
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checksum.h | File | 3.24 KB | 0644 |
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chpid.h | File | 974 B | 0644 |
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cio.h | File | 8.01 KB | 0644 |
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clp.h | File | 1.32 KB | 0644 |
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cmb.h | File | 425 B | 0644 |
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cmpxchg.h | File | 1.76 KB | 0644 |
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compat.h | File | 7.9 KB | 0644 |
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cpacf.h | File | 16.8 KB | 0644 |
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cpcmd.h | File | 1.11 KB | 0644 |
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cpu.h | File | 549 B | 0644 |
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cpu_mf.h | File | 8.99 KB | 0644 |
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cpufeature.h | File | 963 B | 0644 |
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cputime.h | File | 805 B | 0644 |
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crw.h | File | 1.86 KB | 0644 |
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css_chars.h | File | 769 B | 0644 |
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ctl_reg.h | File | 2.89 KB | 0644 |
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current.h | File | 405 B | 0644 |
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debug.h | File | 8.1 KB | 0644 |
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delay.h | File | 721 B | 0644 |
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diag.h | File | 5.94 KB | 0644 |
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dis.h | File | 637 B | 0644 |
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dma-mapping.h | File | 621 B | 0644 |
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dma.h | File | 456 B | 0644 |
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eadm.h | File | 2.03 KB | 0644 |
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ebcdic.h | File | 1.41 KB | 0644 |
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elf.h | File | 10.36 KB | 0644 |
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exec.h | File | 269 B | 0644 |
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extable.h | File | 875 B | 0644 |
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extmem.h | File | 804 B | 0644 |
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facility.h | File | 2.44 KB | 0644 |
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fcx.h | File | 7.91 KB | 0644 |
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ftrace.h | File | 1.66 KB | 0644 |
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futex.h | File | 2.09 KB | 0644 |
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gmap.h | File | 4.93 KB | 0644 |
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hardirq.h | File | 670 B | 0644 |
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hugetlb.h | File | 2.87 KB | 0644 |
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hw_irq.h | File | 249 B | 0644 |
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idals.h | File | 5.22 KB | 0644 |
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idle.h | File | 709 B | 0644 |
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io.h | File | 2.03 KB | 0644 |
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ipl.h | File | 3.6 KB | 0644 |
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irq.h | File | 2.55 KB | 0644 |
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irqflags.h | File | 1.76 KB | 0644 |
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isc.h | File | 1000 B | 0644 |
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itcw.h | File | 950 B | 0644 |
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jump_label.h | File | 1.36 KB | 0644 |
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kdebug.h | File | 386 B | 0644 |
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kexec.h | File | 1.32 KB | 0644 |
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kprobes.h | File | 2.24 KB | 0644 |
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kvm_host.h | File | 22.24 KB | 0644 |
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kvm_para.h | File | 5.78 KB | 0644 |
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linkage.h | File | 633 B | 0644 |
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livepatch.h | File | 461 B | 0644 |
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lowcore.h | File | 6.29 KB | 0644 |
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mmu.h | File | 1.19 KB | 0644 |
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mmu_context.h | File | 3.84 KB | 0644 |
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mmzone.h | File | 316 B | 0644 |
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module.h | File | 802 B | 0644 |
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nmi.h | File | 3.44 KB | 0644 |
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nospec-branch.h | File | 342 B | 0644 |
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nospec-insn.h | File | 3.81 KB | 0644 |
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numa.h | File | 730 B | 0644 |
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os_info.h | File | 1.1 KB | 0644 |
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page-states.h | File | 486 B | 0644 |
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page.h | File | 5.12 KB | 0644 |
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pci.h | File | 6.26 KB | 0644 |
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pci_clp.h | File | 4.25 KB | 0644 |
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pci_debug.h | File | 608 B | 0644 |
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pci_dma.h | File | 5.7 KB | 0644 |
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pci_insn.h | File | 2.59 KB | 0644 |
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pci_io.h | File | 4.58 KB | 0644 |
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percpu.h | File | 6.44 KB | 0644 |
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perf_event.h | File | 2.71 KB | 0644 |
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pgalloc.h | File | 4.32 KB | 0644 |
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pgtable.h | File | 47.7 KB | 0644 |
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pkey.h | File | 4.23 KB | 0644 |
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preempt.h | File | 3.25 KB | 0644 |
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processor.h | File | 10.42 KB | 0644 |
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ptrace.h | File | 5.27 KB | 0644 |
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qdio.h | File | 11.67 KB | 0644 |
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reset.h | File | 471 B | 0644 |
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runtime_instr.h | File | 1.76 KB | 0644 |
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schid.h | File | 525 B | 0644 |
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sclp.h | File | 3.38 KB | 0644 |
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scsw.h | File | 24.1 KB | 0644 |
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seccomp.h | File | 516 B | 0644 |
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sections.h | File | 155 B | 0644 |
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segment.h | File | 93 B | 0644 |
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serial.h | File | 147 B | 0644 |
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set_memory.h | File | 779 B | 0644 |
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setup.h | File | 4.44 KB | 0644 |
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shmparam.h | File | 285 B | 0644 |
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signal.h | File | 644 B | 0644 |
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sigp.h | File | 1.8 KB | 0644 |
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smp.h | File | 2.45 KB | 0644 |
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sparsemem.h | File | 214 B | 0644 |
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spinlock.h | File | 3.53 KB | 0644 |
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spinlock_types.h | File | 437 B | 0644 |
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stp.h | File | 1.26 KB | 0644 |
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string.h | File | 4.5 KB | 0644 |
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switch_to.h | File | 1.37 KB | 0644 |
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syscall.h | File | 2.63 KB | 0644 |
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sysinfo.h | File | 4.22 KB | 0644 |
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termios.h | File | 685 B | 0644 |
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thread_info.h | File | 3.15 KB | 0644 |
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timex.h | File | 6.15 KB | 0644 |
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tlb.h | File | 5.71 KB | 0644 |
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tlbflush.h | File | 3.52 KB | 0644 |
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topology.h | File | 2.69 KB | 0644 |
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uaccess.h | File | 6.57 KB | 0644 |
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unistd.h | File | 1.03 KB | 0644 |
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uprobes.h | File | 588 B | 0644 |
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user.h | File | 3.3 KB | 0644 |
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vdso.h | File | 1.8 KB | 0644 |
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vga.h | File | 170 B | 0644 |
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vtime.h | File | 182 B | 0644 |
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vtimer.h | File | 866 B | 0644 |
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vx-insn.h | File | 10.66 KB | 0644 |
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xor.h | File | 454 B | 0644 |
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