FM / asm

/usr/src/linux-headers-5.15.0-181/arch/s390/include/asm/

/usr/src/linux-headers-5.15.0-181/arch/s390/include/asm

Name	Size	Mode	Actions
fpu/	-	0755	rm
trace/	-	0755	rm
vdso/	-	0755	rm
airq.h	3421	0644	edit dl rm
alternative-asm.h	3148	0644	edit dl rm
alternative.h	5742	0644	edit dl rm
ap.h	13098	0644	edit dl rm
appldata.h	1593	0644	edit dl rm
archrandom.h	1319	0644	edit dl rm
asm-const.h	376	0644	edit dl rm
asm-prototypes.h	227	0644	edit dl rm
atomic.h	4225	0644	edit dl rm
atomic_ops.h	5100	0644	edit dl rm
barrier.h	1881	0644	edit dl rm
bitops.h	10153	0644	edit dl rm
boot_data.h	481	0644	edit dl rm
bug.h	1562	0644	edit dl rm
bugs.h	441	0644	edit dl rm
cache.h	389	0644	edit dl rm
ccwdev.h	8506	0644	edit dl rm
ccwgroup.h	2301	0644	edit dl rm
checksum.h	3352	0644	edit dl rm
chpid.h	979	0644	edit dl rm
chsc.h	1384	0644	edit dl rm
cio.h	9083	0644	edit dl rm
clocksource.h	184	0644	edit dl rm
clp.h	1426	0644	edit dl rm
cmb.h	425	0644	edit dl rm
cmpxchg.h	5195	0644	edit dl rm
compat.h	5333	0644	edit dl rm
cpacf.h	17759	0644	edit dl rm
cpcmd.h	1135	0644	edit dl rm
cpu.h	549	0644	edit dl rm
cpufeature.h	958	0644	edit dl rm
cputime.h	840	0644	edit dl rm
cpu_mcf.h	3064	0644	edit dl rm
cpu_mf-insn.h	478	0644	edit dl rm
cpu_mf.h	9606	0644	edit dl rm
crw.h	1907	0644	edit dl rm
css_chars.h	904	0644	edit dl rm
ctl_reg.h	3715	0644	edit dl rm
current.h	405	0644	edit dl rm
debug.h	14318	0644	edit dl rm
delay.h	647	0644	edit dl rm
diag.h	7017	0644	edit dl rm
dis.h	636	0644	edit dl rm
dma.h	456	0644	edit dl rm
dwarf.h	952	0644	edit dl rm
eadm.h	2082	0644	edit dl rm
ebcdic.h	1442	0644	edit dl rm
elf.h	11210	0644	edit dl rm
entry-common.h	1590	0644	edit dl rm
exec.h	269	0644	edit dl rm
extable.h	2184	0644	edit dl rm
extmem.h	804	0644	edit dl rm
facility.h	2760	0644	edit dl rm
fcx.h	8102	0644	edit dl rm
ftrace.h	1875	0644	edit dl rm
ftrace.lds.h	720	0644	edit dl rm
futex.h	1927	0644	edit dl rm
gmap.h	5760	0644	edit dl rm
hardirq.h	777	0644	edit dl rm
hugetlb.h	2966	0644	edit dl rm
hw_irq.h	210	0644	edit dl rm
idals.h	5317	0644	edit dl rm
idle.h	753	0644	edit dl rm
io.h	2153	0644	edit dl rm
ipl.h	3708	0644	edit dl rm
irq.h	2635	0644	edit dl rm
irqflags.h	1810	0644	edit dl rm
irq_work.h	204	0644	edit dl rm
isc.h	1036	0644	edit dl rm
itcw.h	950	0644	edit dl rm
jump_label.h	1411	0644	edit dl rm
kasan.h	1772	0644	edit dl rm
Kbuild	253	0644	edit dl rm
kdebug.h	386	0644	edit dl rm
kexec.h	2620	0644	edit dl rm
kfence.h	1148	0644	edit dl rm
kprobes.h	2175	0644	edit dl rm
kvm_host.h	27155	0644	edit dl rm
kvm_para.h	3761	0644	edit dl rm
linkage.h	729	0644	edit dl rm
livepatch.h	474	0644	edit dl rm
lowcore.h	6595	0644	edit dl rm
mem_detect.h	2589	0644	edit dl rm
mem_encrypt.h	365	0644	edit dl rm
mmu.h	1515	0644	edit dl rm
mmu_context.h	3491	0644	edit dl rm
mmzone.h	316	0644	edit dl rm
module.h	1209	0644	edit dl rm
nmi.h	3698	0644	edit dl rm
nospec-branch.h	342	0644	edit dl rm
nospec-insn.h	3616	0644	edit dl rm
numa.h	386	0644	edit dl rm
os_info.h	1136	0644	edit dl rm
page-states.h	486	0644	edit dl rm
page.h	5194	0644	edit dl rm
pci.h	8691	0644	edit dl rm
pci_clp.h	5346	0644	edit dl rm
pci_debug.h	608	0644	edit dl rm
pci_dma.h	5541	0644	edit dl rm
pci_insn.h	4089	0644	edit dl rm
pci_io.h	4405	0644	edit dl rm
percpu.h	6638	0644	edit dl rm
perf_event.h	3245	0644	edit dl rm
pgalloc.h	4024	0644	edit dl rm
pgtable.h	51845	0644	edit dl rm
pkey.h	737	0644	edit dl rm
pnet.h	325	0644	edit dl rm
preempt.h	3218	0644	edit dl rm
processor.h	9637	0644	edit dl rm
ptdump.h	255	0644	edit dl rm
ptrace.h	5865	0644	edit dl rm
purgatory.h	329	0644	edit dl rm
qdio.h	10011	0644	edit dl rm
runtime_instr.h	634	0644	edit dl rm
schid.h	525	0644	edit dl rm
sclp.h	4332	0644	edit dl rm
scsw.h	24630	0644	edit dl rm
seccomp.h	808	0644	edit dl rm
sections.h	1357	0644	edit dl rm
serial.h	147	0644	edit dl rm
setup.h	5156	0644	edit dl rm
set_memory.h	989	0644	edit dl rm
shmparam.h	285	0644	edit dl rm
signal.h	644	0644	edit dl rm
sigp.h	1900	0644	edit dl rm
smp.h	1932	0644	edit dl rm
softirq_stack.h	329	0644	edit dl rm
sparsemem.h	214	0644	edit dl rm
spinlock.h	3525	0644	edit dl rm
spinlock_types.h	407	0644	edit dl rm
stacktrace.h	6168	0644	edit dl rm
stp.h	1706	0644	edit dl rm
string.h	5847	0644	edit dl rm
switch_to.h	1400	0644	edit dl rm
syscall.h	4148	0644	edit dl rm
syscall_wrapper.h	5506	0644	edit dl rm
sysinfo.h	4339	0644	edit dl rm
termios.h	685	0644	edit dl rm
thread_info.h	3605	0644	edit dl rm
timex.h	6538	0644	edit dl rm
tlb.h	4296	0644	edit dl rm
tlbflush.h	3233	0644	edit dl rm
topology.h	2876	0644	edit dl rm
tpi.h	736	0644	edit dl rm
types.h	318	0644	edit dl rm
uaccess.h	10049	0644	edit dl rm
unistd.h	1030	0644	edit dl rm
unwind.h	3360	0644	edit dl rm
uprobes.h	588	0644	edit dl rm
user.h	3384	0644	edit dl rm
uv.h	10977	0644	edit dl rm
vdso.h	746	0644	edit dl rm
vga.h	170	0644	edit dl rm
vmalloc.h	90	0644	edit dl rm
vmlinux.lds.h	1167	0644	edit dl rm
vtime.h	718	0644	edit dl rm
vtimer.h	830	0644	edit dl rm
vx-insn.h	13477	0644	edit dl rm
xor.h	454	0644	edit dl rm

Edit: /usr/src/linux-headers-5.15.0-181/arch/s390/include/asm/fcx.h (8102B)

/* 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 */

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