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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_S390_PCI_CLP_H
#define _ASM_S390_PCI_CLP_H

#include <asm/clp.h>

/*
 * Call Logical Processor - Command Codes
 */
#define CLP_LIST_PCI		0x0002
#define CLP_QUERY_PCI_FN	0x0003
#define CLP_QUERY_PCI_FNGRP	0x0004
#define CLP_SET_PCI_FN		0x0005

/* PCI function handle list entry */
struct clp_fh_list_entry {
	u16 device_id;
	u16 vendor_id;
	u32 config_state :  1;
	u32		 : 31;
	u32 fid;		/* PCI function id */
	u32 fh;			/* PCI function handle */
} __packed;

#define CLP_RC_SETPCIFN_FH	0x0101	/* Invalid PCI fn handle */
#define CLP_RC_SETPCIFN_FHOP	0x0102	/* Fn handle not valid for op */
#define CLP_RC_SETPCIFN_DMAAS	0x0103	/* Invalid DMA addr space */
#define CLP_RC_SETPCIFN_RES	0x0104	/* Insufficient resources */
#define CLP_RC_SETPCIFN_ALRDY	0x0105	/* Fn already in requested state */
#define CLP_RC_SETPCIFN_ERR	0x0106	/* Fn in permanent error state */
#define CLP_RC_SETPCIFN_RECPND	0x0107	/* Error recovery pending */
#define CLP_RC_SETPCIFN_BUSY	0x0108	/* Fn busy */
#define CLP_RC_LISTPCI_BADRT	0x010a	/* Resume token not recognized */
#define CLP_RC_QUERYPCIFG_PFGID	0x010b	/* Unrecognized PFGID */

/* request or response block header length */
#define LIST_PCI_HDR_LEN	32

/* Number of function handles fitting in response block */
#define CLP_FH_LIST_NR_ENTRIES				\
	((CLP_BLK_SIZE - 2 * LIST_PCI_HDR_LEN)		\
		/ sizeof(struct clp_fh_list_entry))

#define CLP_SET_ENABLE_PCI_FN	0	/* Yes, 0 enables it */
#define CLP_SET_DISABLE_PCI_FN	1	/* Yes, 1 disables it */

#define CLP_UTIL_STR_LEN	64
#define CLP_PFIP_NR_SEGMENTS	4

extern bool zpci_unique_uid;

/* List PCI functions request */
struct clp_req_list_pci {
	struct clp_req_hdr hdr;
	u64 resume_token;
	u64 reserved2;
} __packed;

/* List PCI functions response */
struct clp_rsp_list_pci {
	struct clp_rsp_hdr hdr;
	u64 resume_token;
	u32 reserved2;
	u16 max_fn;
	u8			: 7;
	u8 uid_checking		: 1;
	u8 entry_size;
	struct clp_fh_list_entry fh_list[CLP_FH_LIST_NR_ENTRIES];
} __packed;

/* Query PCI function request */
struct clp_req_query_pci {
	struct clp_req_hdr hdr;
	u32 fh;				/* function handle */
	u32 reserved2;
	u64 reserved3;
} __packed;

/* Query PCI function response */
struct clp_rsp_query_pci {
	struct clp_rsp_hdr hdr;
	u16 vfn;			/* virtual fn number */
	u16			:  7;
	u16 util_str_avail	:  1;	/* utility string available? */
	u16 pfgid		:  8;	/* pci function group id */
	u32 fid;			/* pci function id */
	u8 bar_size[PCI_BAR_COUNT];
	u16 pchid;
	__le32 bar[PCI_BAR_COUNT];
	u8 pfip[CLP_PFIP_NR_SEGMENTS];	/* pci function internal path */
	u32			: 16;
	u8 fmb_len;
	u8 pft;				/* pci function type */
	u64 sdma;			/* start dma as */
	u64 edma;			/* end dma as */
	u32 reserved[11];
	u32 uid;			/* user defined id */
	u8 util_str[CLP_UTIL_STR_LEN];	/* utility string */
} __packed;

/* Query PCI function group request */
struct clp_req_query_pci_grp {
	struct clp_req_hdr hdr;
	u32 reserved2		: 24;
	u32 pfgid		:  8;	/* function group id */
	u32 reserved3;
	u64 reserved4;
} __packed;

/* Query PCI function group response */
struct clp_rsp_query_pci_grp {
	struct clp_rsp_hdr hdr;
	u16			:  4;
	u16 noi			: 12;	/* number of interrupts */
	u8 version;
	u8			:  6;
	u8 frame		:  1;
	u8 refresh		:  1;	/* TLB refresh mode */
	u16 reserved2;
	u16 mui;
	u64 reserved3;
	u64 dasm;			/* dma address space mask */
	u64 msia;			/* MSI address */
	u64 reserved4;
	u64 reserved5;
} __packed;

/* Set PCI function request */
struct clp_req_set_pci {
	struct clp_req_hdr hdr;
	u32 fh;				/* function handle */
	u16 reserved2;
	u8 oc;				/* operation controls */
	u8 ndas;			/* number of dma spaces */
	u64 reserved3;
} __packed;

/* Set PCI function response */
struct clp_rsp_set_pci {
	struct clp_rsp_hdr hdr;
	u32 fh;				/* function handle */
	u32 reserved3;
	u64 reserved4;
} __packed;

/* Combined request/response block structures used by clp insn */
struct clp_req_rsp_list_pci {
	struct clp_req_list_pci request;
	struct clp_rsp_list_pci response;
} __packed;

struct clp_req_rsp_set_pci {
	struct clp_req_set_pci request;
	struct clp_rsp_set_pci response;
} __packed;

struct clp_req_rsp_query_pci {
	struct clp_req_query_pci request;
	struct clp_rsp_query_pci response;
} __packed;

struct clp_req_rsp_query_pci_grp {
	struct clp_req_query_pci_grp request;
	struct clp_rsp_query_pci_grp response;
} __packed;

#endif

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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
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isc.h File 1000 B 0644
itcw.h File 950 B 0644
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kdebug.h File 386 B 0644
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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
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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
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sysinfo.h File 4.22 KB 0644
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timex.h File 6.15 KB 0644
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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