404

[ Avaa Bypassed ]




Upload:

Command:

botdev@18.224.137.108: ~ $
/* 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 */

Filemanager

Name Type Size Permission Actions
fpu Folder 0755
trace Folder 0755
Kbuild File 557 B 0644
airq.h File 3.02 KB 0644
alternative-asm.h File 3.07 KB 0644
alternative.h File 4.99 KB 0644
ap.h File 9.9 KB 0644
appldata.h File 1.54 KB 0644
archrandom.h File 1.1 KB 0644
asm-prototypes.h File 227 B 0644
atomic.h File 5.1 KB 0644
atomic_ops.h File 4.02 KB 0644
barrier.h File 1.84 KB 0644
bitops.h File 10.13 KB 0644
bug.h File 1.49 KB 0644
bugs.h File 441 B 0644
cache.h File 387 B 0644
ccwdev.h File 7.99 KB 0644
ccwgroup.h File 2.53 KB 0644
checksum.h File 3.24 KB 0644
chpid.h File 974 B 0644
cio.h File 8.01 KB 0644
clp.h File 1.32 KB 0644
cmb.h File 425 B 0644
cmpxchg.h File 1.76 KB 0644
compat.h File 7.9 KB 0644
cpacf.h File 16.8 KB 0644
cpcmd.h File 1.11 KB 0644
cpu.h File 549 B 0644
cpu_mf.h File 8.99 KB 0644
cpufeature.h File 963 B 0644
cputime.h File 805 B 0644
crw.h File 1.86 KB 0644
css_chars.h File 769 B 0644
ctl_reg.h File 2.89 KB 0644
current.h File 405 B 0644
debug.h File 8.1 KB 0644
delay.h File 721 B 0644
diag.h File 5.94 KB 0644
dis.h File 637 B 0644
dma-mapping.h File 621 B 0644
dma.h File 456 B 0644
eadm.h File 2.03 KB 0644
ebcdic.h File 1.41 KB 0644
elf.h File 10.36 KB 0644
exec.h File 269 B 0644
extable.h File 875 B 0644
extmem.h File 804 B 0644
facility.h File 2.44 KB 0644
fcx.h File 7.91 KB 0644
ftrace.h File 1.66 KB 0644
futex.h File 2.07 KB 0644
gmap.h File 4.93 KB 0644
hardirq.h File 670 B 0644
hugetlb.h File 2.82 KB 0644
hw_irq.h File 249 B 0644
idals.h File 5.22 KB 0644
idle.h File 709 B 0644
io.h File 2.03 KB 0644
ipl.h File 3.6 KB 0644
irq.h File 2.55 KB 0644
irqflags.h File 1.76 KB 0644
isc.h File 1000 B 0644
itcw.h File 950 B 0644
jump_label.h File 1.36 KB 0644
kdebug.h File 386 B 0644
kexec.h File 1.32 KB 0644
kprobes.h File 2.24 KB 0644
kvm_host.h File 22.24 KB 0644
kvm_para.h File 5.78 KB 0644
linkage.h File 633 B 0644
livepatch.h File 461 B 0644
lowcore.h File 6.29 KB 0644
mmu.h File 1.19 KB 0644
mmu_context.h File 3.84 KB 0644
mmzone.h File 316 B 0644
module.h File 802 B 0644
nmi.h File 3.44 KB 0644
nospec-branch.h File 342 B 0644
nospec-insn.h File 3.81 KB 0644
numa.h File 730 B 0644
os_info.h File 1.1 KB 0644
page-states.h File 486 B 0644
page.h File 5.12 KB 0644
pci.h File 6.26 KB 0644
pci_clp.h File 4.25 KB 0644
pci_debug.h File 608 B 0644
pci_dma.h File 5.7 KB 0644
pci_insn.h File 2.59 KB 0644
pci_io.h File 4.58 KB 0644
percpu.h File 6.43 KB 0644
perf_event.h File 2.71 KB 0644
pgalloc.h File 4.32 KB 0644
pgtable.h File 47.7 KB 0644
pkey.h File 4.23 KB 0644
preempt.h File 3.25 KB 0644
processor.h File 10.42 KB 0644
ptrace.h File 5.27 KB 0644
qdio.h File 11.67 KB 0644
reset.h File 471 B 0644
runtime_instr.h File 1.76 KB 0644
schid.h File 525 B 0644
sclp.h File 3.38 KB 0644
scsw.h File 24.1 KB 0644
seccomp.h File 516 B 0644
sections.h File 155 B 0644
segment.h File 93 B 0644
serial.h File 147 B 0644
set_memory.h File 779 B 0644
setup.h File 4.44 KB 0644
shmparam.h File 285 B 0644
signal.h File 644 B 0644
sigp.h File 1.8 KB 0644
smp.h File 2.45 KB 0644
sparsemem.h File 214 B 0644
spinlock.h File 3.53 KB 0644
spinlock_types.h File 437 B 0644
stp.h File 1.26 KB 0644
string.h File 4.5 KB 0644
switch_to.h File 1.37 KB 0644
syscall.h File 2.63 KB 0644
sysinfo.h File 4.22 KB 0644
termios.h File 685 B 0644
thread_info.h File 3.15 KB 0644
timex.h File 6.15 KB 0644
tlb.h File 5.71 KB 0644
tlbflush.h File 3.52 KB 0644
topology.h File 2.69 KB 0644
uaccess.h File 6.57 KB 0644
unistd.h File 1.03 KB 0644
uprobes.h File 588 B 0644
user.h File 3.3 KB 0644
vdso.h File 1.8 KB 0644
vga.h File 170 B 0644
vtime.h File 182 B 0644
vtimer.h File 866 B 0644
vx-insn.h File 10.66 KB 0644
xor.h File 454 B 0644