diff options
Diffstat (limited to 'target/ppc/kvm.c')
| -rw-r--r-- | target/ppc/kvm.c | 244 |
1 files changed, 139 insertions, 105 deletions
diff --git a/target/ppc/kvm.c b/target/ppc/kvm.c index 59d92c4..02e22e2 100644 --- a/target/ppc/kvm.c +++ b/target/ppc/kvm.c @@ -49,24 +49,14 @@ #include "elf.h" #include "sysemu/kvm_int.h" -//#define DEBUG_KVM - -#ifdef DEBUG_KVM -#define DPRINTF(fmt, ...) \ - do { fprintf(stderr, fmt, ## __VA_ARGS__); } while (0) -#else -#define DPRINTF(fmt, ...) \ - do { } while (0) -#endif - #define PROC_DEVTREE_CPU "/proc/device-tree/cpus/" const KVMCapabilityInfo kvm_arch_required_capabilities[] = { KVM_CAP_LAST_INFO }; -static int cap_interrupt_unset = false; -static int cap_interrupt_level = false; +static int cap_interrupt_unset; +static int cap_interrupt_level; static int cap_segstate; static int cap_booke_sregs; static int cap_ppc_smt; @@ -96,7 +86,8 @@ static int cap_large_decr; static uint32_t debug_inst_opcode; -/* XXX We have a race condition where we actually have a level triggered +/* + * XXX We have a race condition where we actually have a level triggered * interrupt, but the infrastructure can't expose that yet, so the guest * takes but ignores it, goes to sleep and never gets notified that there's * still an interrupt pending. @@ -114,10 +105,12 @@ static void kvm_kick_cpu(void *opaque) qemu_cpu_kick(CPU(cpu)); } -/* Check whether we are running with KVM-PR (instead of KVM-HV). This +/* + * Check whether we are running with KVM-PR (instead of KVM-HV). This * should only be used for fallback tests - generally we should use * explicit capabilities for the features we want, rather than - * assuming what is/isn't available depending on the KVM variant. */ + * assuming what is/isn't available depending on the KVM variant. + */ static bool kvmppc_is_pr(KVMState *ks) { /* Assume KVM-PR if the GET_PVINFO capability is available */ @@ -143,8 +136,10 @@ int kvm_arch_init(MachineState *ms, KVMState *s) cap_hior = kvm_check_extension(s, KVM_CAP_PPC_HIOR); cap_epr = kvm_check_extension(s, KVM_CAP_PPC_EPR); cap_ppc_watchdog = kvm_check_extension(s, KVM_CAP_PPC_BOOKE_WATCHDOG); - /* Note: we don't set cap_papr here, because this capability is - * only activated after this by kvmppc_set_papr() */ + /* + * Note: we don't set cap_papr here, because this capability is + * only activated after this by kvmppc_set_papr() + */ cap_htab_fd = kvm_vm_check_extension(s, KVM_CAP_PPC_HTAB_FD); cap_fixup_hcalls = kvm_check_extension(s, KVM_CAP_PPC_FIXUP_HCALL); cap_ppc_smt = kvm_vm_check_extension(s, KVM_CAP_PPC_SMT); @@ -160,7 +155,8 @@ int kvm_arch_init(MachineState *ms, KVMState *s) * in KVM at this moment. * * TODO: call kvm_vm_check_extension() with the right capability - * after the kernel starts implementing it.*/ + * after the kernel starts implementing it. + */ cap_ppc_pvr_compat = false; if (!cap_interrupt_level) { @@ -186,10 +182,13 @@ static int kvm_arch_sync_sregs(PowerPCCPU *cpu) int ret; if (cenv->excp_model == POWERPC_EXCP_BOOKE) { - /* What we're really trying to say is "if we're on BookE, we use - the native PVR for now". This is the only sane way to check - it though, so we potentially confuse users that they can run - BookE guests on BookS. Let's hope nobody dares enough :) */ + /* + * What we're really trying to say is "if we're on BookE, we + * use the native PVR for now". This is the only sane way to + * check it though, so we potentially confuse users that they + * can run BookE guests on BookS. Let's hope nobody dares + * enough :) + */ return 0; } else { if (!cap_segstate) { @@ -421,12 +420,14 @@ void kvm_check_mmu(PowerPCCPU *cpu, Error **errp) } if (ppc_hash64_has(cpu, PPC_HASH64_CI_LARGEPAGE)) { - /* Mostly what guest pagesizes we can use are related to the + /* + * Mostly what guest pagesizes we can use are related to the * host pages used to map guest RAM, which is handled in the * platform code. Cache-Inhibited largepages (64k) however are * used for I/O, so if they're mapped to the host at all it * will be a normal mapping, not a special hugepage one used - * for RAM. */ + * for RAM. + */ if (getpagesize() < 0x10000) { error_setg(errp, "KVM can't supply 64kiB CI pages, which guest expects"); @@ -440,9 +441,9 @@ unsigned long kvm_arch_vcpu_id(CPUState *cpu) return POWERPC_CPU(cpu)->vcpu_id; } -/* e500 supports 2 h/w breakpoint and 2 watchpoint. - * book3s supports only 1 watchpoint, so array size - * of 4 is sufficient for now. +/* + * e500 supports 2 h/w breakpoint and 2 watchpoint. book3s supports + * only 1 watchpoint, so array size of 4 is sufficient for now. */ #define MAX_HW_BKPTS 4 @@ -497,9 +498,12 @@ int kvm_arch_init_vcpu(CPUState *cs) break; case POWERPC_MMU_2_07: if (!cap_htm && !kvmppc_is_pr(cs->kvm_state)) { - /* KVM-HV has transactional memory on POWER8 also without the - * KVM_CAP_PPC_HTM extension, so enable it here instead as - * long as it's availble to userspace on the host. */ + /* + * KVM-HV has transactional memory on POWER8 also without + * the KVM_CAP_PPC_HTM extension, so enable it here + * instead as long as it's availble to userspace on the + * host. + */ if (qemu_getauxval(AT_HWCAP2) & PPC_FEATURE2_HAS_HTM) { cap_htm = true; } @@ -626,7 +630,7 @@ static int kvm_put_fp(CPUState *cs) reg.addr = (uintptr_t)&fpscr; ret = kvm_vcpu_ioctl(cs, KVM_SET_ONE_REG, ®); if (ret < 0) { - DPRINTF("Unable to set FPSCR to KVM: %s\n", strerror(errno)); + trace_kvm_failed_fpscr_set(strerror(errno)); return ret; } @@ -647,8 +651,8 @@ static int kvm_put_fp(CPUState *cs) ret = kvm_vcpu_ioctl(cs, KVM_SET_ONE_REG, ®); if (ret < 0) { - DPRINTF("Unable to set %s%d to KVM: %s\n", vsx ? "VSR" : "FPR", - i, strerror(errno)); + trace_kvm_failed_fp_set(vsx ? "VSR" : "FPR", i, + strerror(errno)); return ret; } } @@ -659,7 +663,7 @@ static int kvm_put_fp(CPUState *cs) reg.addr = (uintptr_t)&env->vscr; ret = kvm_vcpu_ioctl(cs, KVM_SET_ONE_REG, ®); if (ret < 0) { - DPRINTF("Unable to set VSCR to KVM: %s\n", strerror(errno)); + trace_kvm_failed_vscr_set(strerror(errno)); return ret; } @@ -668,7 +672,7 @@ static int kvm_put_fp(CPUState *cs) reg.addr = (uintptr_t)cpu_avr_ptr(env, i); ret = kvm_vcpu_ioctl(cs, KVM_SET_ONE_REG, ®); if (ret < 0) { - DPRINTF("Unable to set VR%d to KVM: %s\n", i, strerror(errno)); + trace_kvm_failed_vr_set(i, strerror(errno)); return ret; } } @@ -693,7 +697,7 @@ static int kvm_get_fp(CPUState *cs) reg.addr = (uintptr_t)&fpscr; ret = kvm_vcpu_ioctl(cs, KVM_GET_ONE_REG, ®); if (ret < 0) { - DPRINTF("Unable to get FPSCR from KVM: %s\n", strerror(errno)); + trace_kvm_failed_fpscr_get(strerror(errno)); return ret; } else { env->fpscr = fpscr; @@ -709,8 +713,8 @@ static int kvm_get_fp(CPUState *cs) ret = kvm_vcpu_ioctl(cs, KVM_GET_ONE_REG, ®); if (ret < 0) { - DPRINTF("Unable to get %s%d from KVM: %s\n", - vsx ? "VSR" : "FPR", i, strerror(errno)); + trace_kvm_failed_fp_get(vsx ? "VSR" : "FPR", i, + strerror(errno)); return ret; } else { #ifdef HOST_WORDS_BIGENDIAN @@ -733,7 +737,7 @@ static int kvm_get_fp(CPUState *cs) reg.addr = (uintptr_t)&env->vscr; ret = kvm_vcpu_ioctl(cs, KVM_GET_ONE_REG, ®); if (ret < 0) { - DPRINTF("Unable to get VSCR from KVM: %s\n", strerror(errno)); + trace_kvm_failed_vscr_get(strerror(errno)); return ret; } @@ -742,8 +746,7 @@ static int kvm_get_fp(CPUState *cs) reg.addr = (uintptr_t)cpu_avr_ptr(env, i); ret = kvm_vcpu_ioctl(cs, KVM_GET_ONE_REG, ®); if (ret < 0) { - DPRINTF("Unable to get VR%d from KVM: %s\n", - i, strerror(errno)); + trace_kvm_failed_vr_get(i, strerror(errno)); return ret; } } @@ -764,7 +767,7 @@ static int kvm_get_vpa(CPUState *cs) reg.addr = (uintptr_t)&spapr_cpu->vpa_addr; ret = kvm_vcpu_ioctl(cs, KVM_GET_ONE_REG, ®); if (ret < 0) { - DPRINTF("Unable to get VPA address from KVM: %s\n", strerror(errno)); + trace_kvm_failed_vpa_addr_get(strerror(errno)); return ret; } @@ -774,8 +777,7 @@ static int kvm_get_vpa(CPUState *cs) reg.addr = (uintptr_t)&spapr_cpu->slb_shadow_addr; ret = kvm_vcpu_ioctl(cs, KVM_GET_ONE_REG, ®); if (ret < 0) { - DPRINTF("Unable to get SLB shadow state from KVM: %s\n", - strerror(errno)); + trace_kvm_failed_slb_get(strerror(errno)); return ret; } @@ -785,8 +787,7 @@ static int kvm_get_vpa(CPUState *cs) reg.addr = (uintptr_t)&spapr_cpu->dtl_addr; ret = kvm_vcpu_ioctl(cs, KVM_GET_ONE_REG, ®); if (ret < 0) { - DPRINTF("Unable to get dispatch trace log state from KVM: %s\n", - strerror(errno)); + trace_kvm_failed_dtl_get(strerror(errno)); return ret; } @@ -800,10 +801,12 @@ static int kvm_put_vpa(CPUState *cs) struct kvm_one_reg reg; int ret; - /* SLB shadow or DTL can't be registered unless a master VPA is + /* + * SLB shadow or DTL can't be registered unless a master VPA is * registered. That means when restoring state, if a VPA *is* * registered, we need to set that up first. If not, we need to - * deregister the others before deregistering the master VPA */ + * deregister the others before deregistering the master VPA + */ assert(spapr_cpu->vpa_addr || !(spapr_cpu->slb_shadow_addr || spapr_cpu->dtl_addr)); @@ -812,7 +815,7 @@ static int kvm_put_vpa(CPUState *cs) reg.addr = (uintptr_t)&spapr_cpu->vpa_addr; ret = kvm_vcpu_ioctl(cs, KVM_SET_ONE_REG, ®); if (ret < 0) { - DPRINTF("Unable to set VPA address to KVM: %s\n", strerror(errno)); + trace_kvm_failed_vpa_addr_set(strerror(errno)); return ret; } } @@ -823,7 +826,7 @@ static int kvm_put_vpa(CPUState *cs) reg.addr = (uintptr_t)&spapr_cpu->slb_shadow_addr; ret = kvm_vcpu_ioctl(cs, KVM_SET_ONE_REG, ®); if (ret < 0) { - DPRINTF("Unable to set SLB shadow state to KVM: %s\n", strerror(errno)); + trace_kvm_failed_slb_set(strerror(errno)); return ret; } @@ -833,8 +836,7 @@ static int kvm_put_vpa(CPUState *cs) reg.addr = (uintptr_t)&spapr_cpu->dtl_addr; ret = kvm_vcpu_ioctl(cs, KVM_SET_ONE_REG, ®); if (ret < 0) { - DPRINTF("Unable to set dispatch trace log state to KVM: %s\n", - strerror(errno)); + trace_kvm_failed_dtl_set(strerror(errno)); return ret; } @@ -843,7 +845,7 @@ static int kvm_put_vpa(CPUState *cs) reg.addr = (uintptr_t)&spapr_cpu->vpa_addr; ret = kvm_vcpu_ioctl(cs, KVM_SET_ONE_REG, ®); if (ret < 0) { - DPRINTF("Unable to set VPA address to KVM: %s\n", strerror(errno)); + trace_kvm_failed_null_vpa_addr_set(strerror(errno)); return ret; } } @@ -929,8 +931,9 @@ int kvm_arch_put_registers(CPUState *cs, int level) regs.pid = env->spr[SPR_BOOKE_PID]; - for (i = 0;i < 32; i++) + for (i = 0; i < 32; i++) { regs.gpr[i] = env->gpr[i]; + } regs.cr = 0; for (i = 0; i < 8; i++) { @@ -938,8 +941,9 @@ int kvm_arch_put_registers(CPUState *cs, int level) } ret = kvm_vcpu_ioctl(cs, KVM_SET_REGS, ®s); - if (ret < 0) + if (ret < 0) { return ret; + } kvm_put_fp(cs); @@ -962,10 +966,12 @@ int kvm_arch_put_registers(CPUState *cs, int level) if (cap_one_reg) { int i; - /* We deliberately ignore errors here, for kernels which have + /* + * We deliberately ignore errors here, for kernels which have * the ONE_REG calls, but don't support the specific * registers, there's a reasonable chance things will still - * work, at least until we try to migrate. */ + * work, at least until we try to migrate. + */ for (i = 0; i < 1024; i++) { uint64_t id = env->spr_cb[i].one_reg_id; @@ -996,7 +1002,7 @@ int kvm_arch_put_registers(CPUState *cs, int level) if (cap_papr) { if (kvm_put_vpa(cs) < 0) { - DPRINTF("Warning: Unable to set VPA information to KVM\n"); + trace_kvm_failed_put_vpa(); } } @@ -1207,8 +1213,9 @@ int kvm_arch_get_registers(CPUState *cs) int i, ret; ret = kvm_vcpu_ioctl(cs, KVM_GET_REGS, ®s); - if (ret < 0) + if (ret < 0) { return ret; + } cr = regs.cr; for (i = 7; i >= 0; i--) { @@ -1236,8 +1243,9 @@ int kvm_arch_get_registers(CPUState *cs) env->spr[SPR_BOOKE_PID] = regs.pid; - for (i = 0;i < 32; i++) + for (i = 0; i < 32; i++) { env->gpr[i] = regs.gpr[i]; + } kvm_get_fp(cs); @@ -1262,10 +1270,12 @@ int kvm_arch_get_registers(CPUState *cs) if (cap_one_reg) { int i; - /* We deliberately ignore errors here, for kernels which have + /* + * We deliberately ignore errors here, for kernels which have * the ONE_REG calls, but don't support the specific * registers, there's a reasonable chance things will still - * work, at least until we try to migrate. */ + * work, at least until we try to migrate. + */ for (i = 0; i < 1024; i++) { uint64_t id = env->spr_cb[i].one_reg_id; @@ -1296,7 +1306,7 @@ int kvm_arch_get_registers(CPUState *cs) if (cap_papr) { if (kvm_get_vpa(cs) < 0) { - DPRINTF("Warning: Unable to get VPA information from KVM\n"); + trace_kvm_failed_get_vpa(); } } @@ -1339,20 +1349,24 @@ void kvm_arch_pre_run(CPUState *cs, struct kvm_run *run) qemu_mutex_lock_iothread(); - /* PowerPC QEMU tracks the various core input pins (interrupt, critical - * interrupt, reset, etc) in PPC-specific env->irq_input_state. */ + /* + * PowerPC QEMU tracks the various core input pins (interrupt, + * critical interrupt, reset, etc) in PPC-specific + * env->irq_input_state. + */ if (!cap_interrupt_level && run->ready_for_interrupt_injection && (cs->interrupt_request & CPU_INTERRUPT_HARD) && - (env->irq_input_state & (1<<PPC_INPUT_INT))) + (env->irq_input_state & (1 << PPC_INPUT_INT))) { - /* For now KVM disregards the 'irq' argument. However, in the - * future KVM could cache it in-kernel to avoid a heavyweight exit - * when reading the UIC. + /* + * For now KVM disregards the 'irq' argument. However, in the + * future KVM could cache it in-kernel to avoid a heavyweight + * exit when reading the UIC. */ irq = KVM_INTERRUPT_SET; - DPRINTF("injected interrupt %d\n", irq); + trace_kvm_injected_interrupt(irq); r = kvm_vcpu_ioctl(cs, KVM_INTERRUPT, &irq); if (r < 0) { printf("cpu %d fail inject %x\n", cs->cpu_index, irq); @@ -1363,9 +1377,12 @@ void kvm_arch_pre_run(CPUState *cs, struct kvm_run *run) (NANOSECONDS_PER_SECOND / 50)); } - /* We don't know if there are more interrupts pending after this. However, - * the guest will return to userspace in the course of handling this one - * anyways, so we will get a chance to deliver the rest. */ + /* + * We don't know if there are more interrupts pending after + * this. However, the guest will return to userspace in the course + * of handling this one anyways, so we will get a chance to + * deliver the rest. + */ qemu_mutex_unlock_iothread(); } @@ -1394,18 +1411,22 @@ static int kvmppc_handle_halt(PowerPCCPU *cpu) } /* map dcr access to existing qemu dcr emulation */ -static int kvmppc_handle_dcr_read(CPUPPCState *env, uint32_t dcrn, uint32_t *data) +static int kvmppc_handle_dcr_read(CPUPPCState *env, + uint32_t dcrn, uint32_t *data) { - if (ppc_dcr_read(env->dcr_env, dcrn, data) < 0) + if (ppc_dcr_read(env->dcr_env, dcrn, data) < 0) { fprintf(stderr, "Read to unhandled DCR (0x%x)\n", dcrn); + } return 0; } -static int kvmppc_handle_dcr_write(CPUPPCState *env, uint32_t dcrn, uint32_t data) +static int kvmppc_handle_dcr_write(CPUPPCState *env, + uint32_t dcrn, uint32_t data) { - if (ppc_dcr_write(env->dcr_env, dcrn, data) < 0) + if (ppc_dcr_write(env->dcr_env, dcrn, data) < 0) { fprintf(stderr, "Write to unhandled DCR (0x%x)\n", dcrn); + } return 0; } @@ -1697,20 +1718,20 @@ int kvm_arch_handle_exit(CPUState *cs, struct kvm_run *run) switch (run->exit_reason) { case KVM_EXIT_DCR: if (run->dcr.is_write) { - DPRINTF("handle dcr write\n"); + trace_kvm_handle_dcr_write(); ret = kvmppc_handle_dcr_write(env, run->dcr.dcrn, run->dcr.data); } else { - DPRINTF("handle dcr read\n"); + trace_kvm_handle_drc_read(); ret = kvmppc_handle_dcr_read(env, run->dcr.dcrn, &run->dcr.data); } break; case KVM_EXIT_HLT: - DPRINTF("handle halt\n"); + trace_kvm_handle_halt(); ret = kvmppc_handle_halt(cpu); break; #if defined(TARGET_PPC64) case KVM_EXIT_PAPR_HCALL: - DPRINTF("handle PAPR hypercall\n"); + trace_kvm_handle_papr_hcall(); run->papr_hcall.ret = spapr_hypercall(cpu, run->papr_hcall.nr, run->papr_hcall.args); @@ -1718,18 +1739,18 @@ int kvm_arch_handle_exit(CPUState *cs, struct kvm_run *run) break; #endif case KVM_EXIT_EPR: - DPRINTF("handle epr\n"); + trace_kvm_handle_epr(); run->epr.epr = ldl_phys(cs->as, env->mpic_iack); ret = 0; break; case KVM_EXIT_WATCHDOG: - DPRINTF("handle watchdog expiry\n"); + trace_kvm_handle_watchdog_expiry(); watchdog_perform_action(); ret = 0; break; case KVM_EXIT_DEBUG: - DPRINTF("handle debug exception\n"); + trace_kvm_handle_debug_exception(); if (kvm_handle_debug(cpu, run)) { ret = EXCP_DEBUG; break; @@ -1832,7 +1853,7 @@ static int read_cpuinfo(const char *field, char *value, int len) ret = 0; break; } - } while(*line); + } while (*line); fclose(f); @@ -1849,7 +1870,8 @@ uint32_t kvmppc_get_tbfreq(void) return retval; } - if (!(ns = strchr(line, ':'))) { + ns = strchr(line, ':'); + if (!ns) { return retval; } @@ -1875,7 +1897,8 @@ static int kvmppc_find_cpu_dt(char *buf, int buf_len) struct dirent *dirp; DIR *dp; - if ((dp = opendir(PROC_DEVTREE_CPU)) == NULL) { + dp = opendir(PROC_DEVTREE_CPU); + if (!dp) { printf("Can't open directory " PROC_DEVTREE_CPU "\n"); return -1; } @@ -1929,10 +1952,11 @@ static uint64_t kvmppc_read_int_dt(const char *filename) return 0; } -/* Read a CPU node property from the host device tree that's a single +/* + * Read a CPU node property from the host device tree that's a single * integer (32-bit or 64-bit). Returns 0 if anything goes wrong - * (can't find or open the property, or doesn't understand the - * format) */ + * (can't find or open the property, or doesn't understand the format) + */ static uint64_t kvmppc_read_int_cpu_dt(const char *propname) { char buf[PATH_MAX], *tmp; @@ -1991,7 +2015,7 @@ int kvmppc_get_hasidle(CPUPPCState *env) int kvmppc_get_hypercall(CPUPPCState *env, uint8_t *buf, int buf_len) { - uint32_t *hc = (uint32_t*)buf; + uint32_t *hc = (uint32_t *)buf; struct kvm_ppc_pvinfo pvinfo; if (!kvmppc_get_pvinfo(env, &pvinfo)) { @@ -2064,8 +2088,10 @@ void kvmppc_set_papr(PowerPCCPU *cpu) exit(1); } - /* Update the capability flag so we sync the right information - * with kvm */ + /* + * Update the capability flag so we sync the right information + * with kvm + */ cap_papr = 1; } @@ -2133,8 +2159,10 @@ uint64_t kvmppc_rma_size(uint64_t current_size, unsigned int hash_shift) long rampagesize, best_page_shift; int i; - /* Find the largest hardware supported page size that's less than - * or equal to the (logical) backing page size of guest RAM */ + /* + * Find the largest hardware supported page size that's less than + * or equal to the (logical) backing page size of guest RAM + */ kvm_get_smmu_info(&info, &error_fatal); rampagesize = qemu_minrampagesize(); best_page_shift = 0; @@ -2184,7 +2212,8 @@ void *kvmppc_create_spapr_tce(uint32_t liobn, uint32_t page_shift, int fd; void *table; - /* Must set fd to -1 so we don't try to munmap when called for + /* + * Must set fd to -1 so we don't try to munmap when called for * destroying the table, which the upper layers -will- do */ *pfd = -1; @@ -2229,7 +2258,7 @@ void *kvmppc_create_spapr_tce(uint32_t liobn, uint32_t page_shift, len = nb_table * sizeof(uint64_t); /* FIXME: round this up to page size */ - table = mmap(NULL, len, PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0); + table = mmap(NULL, len, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0); if (table == MAP_FAILED) { fprintf(stderr, "KVM: Failed to map TCE table for liobn 0x%x\n", liobn); @@ -2272,10 +2301,12 @@ int kvmppc_reset_htab(int shift_hint) int ret; ret = kvm_vm_ioctl(kvm_state, KVM_PPC_ALLOCATE_HTAB, &shift); if (ret == -ENOTTY) { - /* At least some versions of PR KVM advertise the + /* + * At least some versions of PR KVM advertise the * capability, but don't implement the ioctl(). Oops. * Return 0 so that we allocate the htab in qemu, as is - * correct for PR. */ + * correct for PR. + */ return 0; } else if (ret < 0) { return ret; @@ -2283,9 +2314,12 @@ int kvmppc_reset_htab(int shift_hint) return shift; } - /* We have a kernel that predates the htab reset calls. For PR + /* + * We have a kernel that predates the htab reset calls. For PR * KVM, we need to allocate the htab ourselves, for an HV KVM of - * this era, it has allocated a 16MB fixed size hash table already. */ + * this era, it has allocated a 16MB fixed size hash table + * already. + */ if (kvmppc_is_pr(kvm_state)) { /* PR - tell caller to allocate htab */ return 0; @@ -2667,8 +2701,8 @@ int kvmppc_save_htab(QEMUFile *f, int fd, size_t bufsize, int64_t max_ns) } } } while ((rc != 0) - && ((max_ns < 0) - || ((qemu_clock_get_ns(QEMU_CLOCK_REALTIME) - starttime) < max_ns))); + && ((max_ns < 0) || + ((qemu_clock_get_ns(QEMU_CLOCK_REALTIME) - starttime) < max_ns))); return (rc == 0) ? 1 : 0; } @@ -2677,7 +2711,7 @@ int kvmppc_load_htab_chunk(QEMUFile *f, int fd, uint32_t index, uint16_t n_valid, uint16_t n_invalid) { struct kvm_get_htab_header *buf; - size_t chunksize = sizeof(*buf) + n_valid*HASH_PTE_SIZE_64; + size_t chunksize = sizeof(*buf) + n_valid * HASH_PTE_SIZE_64; ssize_t rc; buf = alloca(chunksize); @@ -2685,7 +2719,7 @@ int kvmppc_load_htab_chunk(QEMUFile *f, int fd, uint32_t index, buf->n_valid = n_valid; buf->n_invalid = n_invalid; - qemu_get_buffer(f, (void *)(buf + 1), HASH_PTE_SIZE_64*n_valid); + qemu_get_buffer(f, (void *)(buf + 1), HASH_PTE_SIZE_64 * n_valid); rc = write(fd, buf, chunksize); if (rc < 0) { |