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lastdragon
2026-09-06 12:53:21 -06:00
parent 662efe3c2a
commit ad2088d178
94853 changed files with 43200404 additions and 0 deletions
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linux-7.2.3/tools/testing/selftests/kvm/include/s390/debug_print.h
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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Definition for kernel virtual machines on s390x
*
* Copyright IBM Corp. 2024
*
* Authors:
* Christoph Schlameuss <schlameuss@linux.ibm.com>
*/
#ifndef SELFTEST_KVM_DEBUG_PRINT_H
#define SELFTEST_KVM_DEBUG_PRINT_H
#include "asm/ptrace.h"
#include "kvm_util.h"
#include "sie.h"
static inline void print_hex_bytes(const char *name, u64 addr, size_t len)
{
u64 pos;
pr_debug("%s (%p)\n", name, (void *)addr);
pr_debug(" 0/0x00---------|");
if (len > 8)
pr_debug(" 8/0x08---------|");
if (len > 16)
pr_debug(" 16/0x10--------|");
if (len > 24)
pr_debug(" 24/0x18--------|");
for (pos = 0; pos < len; pos += 8) {
if ((pos % 32) == 0)
pr_debug("\n %3lu 0x%.3lx ", pos, pos);
pr_debug(" %16lx", *((u64 *)(addr + pos)));
}
pr_debug("\n");
}
static inline void print_hex(const char *name, u64 addr)
{
print_hex_bytes(name, addr, 512);
}
static inline void print_psw(struct kvm_run *run, struct kvm_s390_sie_block *sie_block)
{
pr_debug("flags:0x%x psw:0x%.16llx:0x%.16llx exit:%u %s\n",
run->flags,
run->psw_mask, run->psw_addr,
run->exit_reason, exit_reason_str(run->exit_reason));
pr_debug("sie_block psw:0x%.16llx:0x%.16llx\n",
sie_block->psw_mask, sie_block->psw_addr);
}
static inline void print_run(struct kvm_run *run, struct kvm_s390_sie_block *sie_block)
{
print_hex_bytes("run", (u64)run, 0x150);
print_hex("sie_block", (u64)sie_block);
print_psw(run, sie_block);
}
static inline void print_regs(struct kvm_run *run)
{
struct kvm_sync_regs *sync_regs = &run->s.regs;
print_hex_bytes("GPRS", (u64)sync_regs->gprs, 8 * NUM_GPRS);
print_hex_bytes("ACRS", (u64)sync_regs->acrs, 4 * NUM_ACRS);
print_hex_bytes("CRS", (u64)sync_regs->crs, 8 * NUM_CRS);
}
#endif /* SELFTEST_KVM_DEBUG_PRINT_H */
linux-7.2.3/tools/testing/selftests/kvm/include/s390/diag318_test_handler.h
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/* SPDX-License-Identifier: GPL-2.0-or-later
*
* Test handler for the s390x DIAGNOSE 0x0318 instruction.
*
* Copyright (C) 2020, IBM
*/
#ifndef SELFTEST_KVM_DIAG318_TEST_HANDLER
#define SELFTEST_KVM_DIAG318_TEST_HANDLER
u64 get_diag318_info(void);
#endif
linux-7.2.3/tools/testing/selftests/kvm/include/s390/facility.h
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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright IBM Corp. 2024
*
* Authors:
* Hariharan Mari <hari55@linux.ibm.com>
*
* Get the facility bits with the STFLE instruction
*/
#ifndef SELFTEST_KVM_FACILITY_H
#define SELFTEST_KVM_FACILITY_H
#include <linux/atomic.h>
#include <linux/bitops.h>
/* alt_stfle_fac_list[16] + stfle_fac_list[16] */
#define NB_STFL_DOUBLEWORDS 32
extern u64 stfl_doublewords[NB_STFL_DOUBLEWORDS];
extern bool stfle_flag;
static inline bool clear_bit_inv(unsigned long nr, unsigned long *ptr)
{
return clear_bit(nr ^ (BITS_PER_LONG - 1), ptr);
}
static inline bool test_bit_inv(unsigned long nr, const unsigned long *ptr)
{
return test_bit(nr ^ (BITS_PER_LONG - 1), ptr);
}
static inline void stfle(u64 *fac, unsigned int nb_doublewords)
{
register unsigned long r0 asm("0") = nb_doublewords - 1;
asm volatile(" .insn s,0xb2b00000,0(%1)\n"
: "+d" (r0)
: "a" (fac)
: "memory", "cc");
}
static inline void setup_facilities(void)
{
stfle(stfl_doublewords, NB_STFL_DOUBLEWORDS);
stfle_flag = true;
}
static inline bool test_facility(int nr)
{
if (!stfle_flag)
setup_facilities();
return test_bit_inv(nr, stfl_doublewords);
}
#endif
linux-7.2.3/tools/testing/selftests/kvm/include/s390/kvm_util_arch.h
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/* SPDX-License-Identifier: GPL-2.0-only */
#ifndef SELFTEST_KVM_UTIL_ARCH_H
#define SELFTEST_KVM_UTIL_ARCH_H
struct kvm_mmu_arch {};
struct kvm_vm_arch {};
#endif // SELFTEST_KVM_UTIL_ARCH_H
linux-7.2.3/tools/testing/selftests/kvm/include/s390/processor.h
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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* s390x processor specific defines
*/
#ifndef SELFTEST_KVM_PROCESSOR_H
#define SELFTEST_KVM_PROCESSOR_H
#include <linux/compiler.h>
/* Bits in the region/segment table entry */
#define REGION_ENTRY_ORIGIN ~0xfffUL /* region/segment table origin */
#define REGION_ENTRY_PROTECT 0x200 /* region protection bit */
#define REGION_ENTRY_NOEXEC 0x100 /* region no-execute bit */
#define REGION_ENTRY_OFFSET 0xc0 /* region table offset */
#define REGION_ENTRY_INVALID 0x20 /* invalid region table entry */
#define REGION_ENTRY_TYPE 0x0c /* region/segment table type mask */
#define REGION_ENTRY_LENGTH 0x03 /* region third length */
/* Bits in the page table entry */
#define PAGE_INVALID 0x400 /* HW invalid bit */
#define PAGE_PROTECT 0x200 /* HW read-only bit */
#define PAGE_NOEXEC 0x100 /* HW no-execute bit */
/* Page size definitions */
#define PAGE_SHIFT 12
#define PAGE_SIZE BIT_ULL(PAGE_SHIFT)
#define PAGE_MASK (~(PAGE_SIZE - 1))
/* Is there a portable way to do this? */
static inline void cpu_relax(void)
{
barrier();
}
/* Get the instruction length */
static inline int insn_length(unsigned char code)
{
return ((((int)code + 64) >> 7) + 1) << 1;
}
#endif
linux-7.2.3/tools/testing/selftests/kvm/include/s390/sie.h
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/* SPDX-License-Identifier: GPL-2.0 */
/*
* Definition for kernel virtual machines on s390.
*
* Adapted copy of struct definition kvm_s390_sie_block from
* arch/s390/include/asm/kvm_host.h for use in userspace selftest programs.
*
* Copyright IBM Corp. 2008, 2024
*
* Authors:
* Christoph Schlameuss <schlameuss@linux.ibm.com>
* Carsten Otte <cotte@de.ibm.com>
*/
#ifndef SELFTEST_KVM_SIE_H
#define SELFTEST_KVM_SIE_H
#include <linux/types.h>
struct kvm_s390_sie_block {
#define CPUSTAT_STOPPED 0x80000000
#define CPUSTAT_WAIT 0x10000000
#define CPUSTAT_ECALL_PEND 0x08000000
#define CPUSTAT_STOP_INT 0x04000000
#define CPUSTAT_IO_INT 0x02000000
#define CPUSTAT_EXT_INT 0x01000000
#define CPUSTAT_RUNNING 0x00800000
#define CPUSTAT_RETAINED 0x00400000
#define CPUSTAT_TIMING_SUB 0x00020000
#define CPUSTAT_SIE_SUB 0x00010000
#define CPUSTAT_RRF 0x00008000
#define CPUSTAT_SLSV 0x00004000
#define CPUSTAT_SLSR 0x00002000
#define CPUSTAT_ZARCH 0x00000800
#define CPUSTAT_MCDS 0x00000100
#define CPUSTAT_KSS 0x00000200
#define CPUSTAT_SM 0x00000080
#define CPUSTAT_IBS 0x00000040
#define CPUSTAT_GED2 0x00000010
#define CPUSTAT_G 0x00000008
#define CPUSTAT_GED 0x00000004
#define CPUSTAT_J 0x00000002
#define CPUSTAT_P 0x00000001
__u32 cpuflags; /* 0x0000 */
__u32: 1; /* 0x0004 */
__u32 prefix : 18;
__u32: 1;
__u32 ibc : 12;
__u8 reserved08[4]; /* 0x0008 */
#define PROG_IN_SIE BIT(0)
__u32 prog0c; /* 0x000c */
union {
__u8 reserved10[16]; /* 0x0010 */
struct {
__u64 pv_handle_cpu;
__u64 pv_handle_config;
};
};
#define PROG_BLOCK_SIE BIT(0)
#define PROG_REQUEST BIT(1)
__u32 prog20; /* 0x0020 */
__u8 reserved24[4]; /* 0x0024 */
__u64 cputm; /* 0x0028 */
__u64 ckc; /* 0x0030 */
__u64 epoch; /* 0x0038 */
__u32 svcc; /* 0x0040 */
#define LCTL_CR0 0x8000
#define LCTL_CR6 0x0200
#define LCTL_CR9 0x0040
#define LCTL_CR10 0x0020
#define LCTL_CR11 0x0010
#define LCTL_CR14 0x0002
__u16 lctl; /* 0x0044 */
__s16 icpua; /* 0x0046 */
#define ICTL_OPEREXC 0x80000000
#define ICTL_PINT 0x20000000
#define ICTL_LPSW 0x00400000
#define ICTL_STCTL 0x00040000
#define ICTL_ISKE 0x00004000
#define ICTL_SSKE 0x00002000
#define ICTL_RRBE 0x00001000
#define ICTL_TPROT 0x00000200
__u32 ictl; /* 0x0048 */
#define ECA_CEI 0x80000000
#define ECA_IB 0x40000000
#define ECA_SIGPI 0x10000000
#define ECA_MVPGI 0x01000000
#define ECA_AIV 0x00200000
#define ECA_VX 0x00020000
#define ECA_PROTEXCI 0x00002000
#define ECA_APIE 0x00000008
#define ECA_SII 0x00000001
__u32 eca; /* 0x004c */
#define ICPT_INST 0x04
#define ICPT_PROGI 0x08
#define ICPT_INSTPROGI 0x0C
#define ICPT_EXTREQ 0x10
#define ICPT_EXTINT 0x14
#define ICPT_IOREQ 0x18
#define ICPT_WAIT 0x1c
#define ICPT_VALIDITY 0x20
#define ICPT_STOP 0x28
#define ICPT_OPEREXC 0x2C
#define ICPT_PARTEXEC 0x38
#define ICPT_IOINST 0x40
#define ICPT_KSS 0x5c
#define ICPT_MCHKREQ 0x60
#define ICPT_INT_ENABLE 0x64
#define ICPT_PV_INSTR 0x68
#define ICPT_PV_NOTIFY 0x6c
#define ICPT_PV_PREF 0x70
__u8 icptcode; /* 0x0050 */
__u8 icptstatus; /* 0x0051 */
__u16 ihcpu; /* 0x0052 */
__u8 reserved54; /* 0x0054 */
#define IICTL_CODE_NONE 0x00
#define IICTL_CODE_MCHK 0x01
#define IICTL_CODE_EXT 0x02
#define IICTL_CODE_IO 0x03
#define IICTL_CODE_RESTART 0x04
#define IICTL_CODE_SPECIFICATION 0x10
#define IICTL_CODE_OPERAND 0x11
__u8 iictl; /* 0x0055 */
__u16 ipa; /* 0x0056 */
__u32 ipb; /* 0x0058 */
__u32 scaoh; /* 0x005c */
#define FPF_BPBC 0x20
__u8 fpf; /* 0x0060 */
#define ECB_GS 0x40
#define ECB_TE 0x10
#define ECB_SPECI 0x08
#define ECB_SRSI 0x04
#define ECB_HOSTPROTINT 0x02
#define ECB_PTF 0x01
__u8 ecb; /* 0x0061 */
#define ECB2_CMMA 0x80
#define ECB2_IEP 0x20
#define ECB2_PFMFI 0x08
#define ECB2_ESCA 0x04
#define ECB2_ZPCI_LSI 0x02
__u8 ecb2; /* 0x0062 */
#define ECB3_AISI 0x20
#define ECB3_AISII 0x10
#define ECB3_DEA 0x08
#define ECB3_AES 0x04
#define ECB3_RI 0x01
__u8 ecb3; /* 0x0063 */
#define ESCA_SCAOL_MASK ~0x3fU
__u32 scaol; /* 0x0064 */
__u8 sdf; /* 0x0068 */
__u8 epdx; /* 0x0069 */
__u8 cpnc; /* 0x006a */
__u8 reserved6b; /* 0x006b */
__u32 todpr; /* 0x006c */
#define GISA_FORMAT1 0x00000001
__u32 gd; /* 0x0070 */
__u8 reserved74[12]; /* 0x0074 */
__u64 mso; /* 0x0080 */
__u64 msl; /* 0x0088 */
__u64 psw_mask; /* 0x0090 */
__u64 psw_addr; /* 0x0098 */
__u64 gg14; /* 0x00a0 */
__u64 gg15; /* 0x00a8 */
__u8 reservedb0[8]; /* 0x00b0 */
#define HPID_KVM 0x4
#define HPID_VSIE 0x5
__u8 hpid; /* 0x00b8 */
__u8 reservedb9[7]; /* 0x00b9 */
union {
struct {
__u32 eiparams; /* 0x00c0 */
__u16 extcpuaddr; /* 0x00c4 */
__u16 eic; /* 0x00c6 */
};
__u64 mcic; /* 0x00c0 */
} __packed;
__u32 reservedc8; /* 0x00c8 */
union {
struct {
__u16 pgmilc; /* 0x00cc */
__u16 iprcc; /* 0x00ce */
};
__u32 edc; /* 0x00cc */
} __packed;
union {
struct {
__u32 dxc; /* 0x00d0 */
__u16 mcn; /* 0x00d4 */
__u8 perc; /* 0x00d6 */
__u8 peratmid; /* 0x00d7 */
};
__u64 faddr; /* 0x00d0 */
} __packed;
__u64 peraddr; /* 0x00d8 */
__u8 eai; /* 0x00e0 */
__u8 peraid; /* 0x00e1 */
__u8 oai; /* 0x00e2 */
__u8 armid; /* 0x00e3 */
__u8 reservede4[4]; /* 0x00e4 */
union {
__u64 tecmc; /* 0x00e8 */
struct {
__u16 subchannel_id; /* 0x00e8 */
__u16 subchannel_nr; /* 0x00ea */
__u32 io_int_parm; /* 0x00ec */
__u32 io_int_word; /* 0x00f0 */
};
} __packed;
__u8 reservedf4[8]; /* 0x00f4 */
#define CRYCB_FORMAT_MASK 0x00000003
#define CRYCB_FORMAT0 0x00000000
#define CRYCB_FORMAT1 0x00000001
#define CRYCB_FORMAT2 0x00000003
__u32 crycbd; /* 0x00fc */
__u64 gcr[16]; /* 0x0100 */
union {
__u64 gbea; /* 0x0180 */
__u64 sidad;
};
__u8 reserved188[8]; /* 0x0188 */
__u64 sdnxo; /* 0x0190 */
__u8 reserved198[8]; /* 0x0198 */
__u32 fac; /* 0x01a0 */
__u8 reserved1a4[20]; /* 0x01a4 */
__u64 cbrlo; /* 0x01b8 */
__u8 reserved1c0[8]; /* 0x01c0 */
#define ECD_HOSTREGMGMT 0x20000000
#define ECD_MEF 0x08000000
#define ECD_ETOKENF 0x02000000
#define ECD_ECC 0x00200000
__u32 ecd; /* 0x01c8 */
__u8 reserved1cc[18]; /* 0x01cc */
__u64 pp; /* 0x01de */
__u8 reserved1e6[2]; /* 0x01e6 */
__u64 itdba; /* 0x01e8 */
__u64 riccbd; /* 0x01f0 */
__u64 gvrd; /* 0x01f8 */
} __packed __aligned(512);
#endif /* SELFTEST_KVM_SIE_H */
linux-7.2.3/tools/testing/selftests/kvm/include/s390/ucall.h
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/* SPDX-License-Identifier: GPL-2.0-only */
#ifndef SELFTEST_KVM_UCALL_H
#define SELFTEST_KVM_UCALL_H
#include "kvm_util.h"
#define UCALL_EXIT_REASON KVM_EXIT_S390_SIEIC
static inline void ucall_arch_init(struct kvm_vm *vm, gpa_t mmio_gpa)
{
}
static inline void ucall_arch_do_ucall(gva_t uc)
{
/* Exit via DIAGNOSE 0x501 (normally used for breakpoints) */
asm volatile ("diag 0,%0,0x501" : : "a"(uc) : "memory");
}
#endif