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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 */
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