From patchwork Fri Sep 8 10:35:34 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Gibson X-Patchwork-Id: 811502 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=nongnu.org (client-ip=2001:4830:134:3::11; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=gibson.dropbear.id.au header.i=@gibson.dropbear.id.au header.b="axIzHcE8"; dkim-atps=neutral Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3xpYnw3q8Yz9s82 for ; Fri, 8 Sep 2017 20:43:32 +1000 (AEST) Received: from localhost ([::1]:44478 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dqGl0-0000AA-IE for incoming@patchwork.ozlabs.org; Fri, 08 Sep 2017 06:43:30 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:58686) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dqGe5-00029E-UM for qemu-devel@nongnu.org; Fri, 08 Sep 2017 06:36:30 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dqGe0-0003EO-GE for qemu-devel@nongnu.org; Fri, 08 Sep 2017 06:36:21 -0400 Received: from ozlabs.org ([103.22.144.67]:38485) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1dqGdz-0003BE-6h; Fri, 08 Sep 2017 06:36:16 -0400 Received: by ozlabs.org (Postfix, from userid 1007) id 3xpYdK1hNqz9t43; Fri, 8 Sep 2017 20:36:04 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gibson.dropbear.id.au; s=201602; t=1504866965; bh=ORycx4MAZDM1Z6iazF6vcXik/w3jF7GqF7rZ3KFpPGs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=axIzHcE8UFbN9UQ4XA9yCJLwsXDkGYfNd1ntSi3t6Dy/CHiqCTSzmGoVMPX0HYACm +XVuC6Jnp/tjwuq93Kx/91bEaGFZdrMbvT3LoyJDxKMIcYzytIN+g7zDirQWBFLcps wwe9b2k4J/UfqOVajwPvGNY3s08zoZpdUIOY0JPc= From: David Gibson To: peter.maydell@linaro.org Date: Fri, 8 Sep 2017 20:35:34 +1000 Message-Id: <20170908103558.31632-17-david@gibson.dropbear.id.au> X-Mailer: git-send-email 2.13.5 In-Reply-To: <20170908103558.31632-1-david@gibson.dropbear.id.au> References: <20170908103558.31632-1-david@gibson.dropbear.id.au> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 103.22.144.67 Subject: [Qemu-devel] [PULL 16/40] ppc: spapr: Make VCPU ID handling private to SPAPR X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: qemu-devel@nongnu.org, aik@ozlabs.ru, agraf@suse.de, mdroth@linux.vnet.ibm.com, qemu-ppc@nongnu.org, imammedo@redhat.com, sam.bobroff@au1.ibm.com, David Gibson Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" From: Sam Bobroff The concept of a VCPU ID that differs from the CPU's index (cpu->cpu_index) exists only within SPAPR machines so, move the functions ppc_get_vcpu_id() and ppc_get_cpu_by_vcpu_id() into spapr.c and rename them appropriately. Signed-off-by: Sam Bobroff Signed-off-by: David Gibson --- hw/ppc/ppc.c | 21 --------------------- hw/ppc/spapr.c | 40 +++++++++++++++++++++++++++++++++------- hw/ppc/spapr_hcall.c | 4 ++-- hw/ppc/spapr_rtas.c | 4 ++-- include/hw/ppc/spapr.h | 3 +++ target/ppc/cpu.h | 18 ------------------ target/ppc/kvm.c | 2 +- 7 files changed, 41 insertions(+), 51 deletions(-) diff --git a/hw/ppc/ppc.c b/hw/ppc/ppc.c index 4477d4ad89..f76886f4d3 100644 --- a/hw/ppc/ppc.c +++ b/hw/ppc/ppc.c @@ -1358,27 +1358,6 @@ void PPC_debug_write (void *opaque, uint32_t addr, uint32_t val) } } -/* CPU device-tree ID helpers */ -int ppc_get_vcpu_id(PowerPCCPU *cpu) -{ - return cpu->vcpu_id; -} - -PowerPCCPU *ppc_get_cpu_by_vcpu_id(int vcpu_id) -{ - CPUState *cs; - - CPU_FOREACH(cs) { - PowerPCCPU *cpu = POWERPC_CPU(cs); - - if (cpu->vcpu_id == vcpu_id) { - return cpu; - } - } - - return NULL; -} - void ppc_cpu_parse_features(const char *cpu_model) { CPUClass *cc; diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c index f7a4c73e08..067f571416 100644 --- a/hw/ppc/spapr.c +++ b/hw/ppc/spapr.c @@ -208,7 +208,7 @@ static int spapr_fixup_cpu_smt_dt(void *fdt, int offset, PowerPCCPU *cpu, int i, ret = 0; uint32_t servers_prop[smt_threads]; uint32_t gservers_prop[smt_threads * 2]; - int index = ppc_get_vcpu_id(cpu); + int index = spapr_vcpu_id(cpu); if (cpu->compat_pvr) { ret = fdt_setprop_cell(fdt, offset, "cpu-version", cpu->compat_pvr); @@ -237,7 +237,7 @@ static int spapr_fixup_cpu_smt_dt(void *fdt, int offset, PowerPCCPU *cpu, static int spapr_fixup_cpu_numa_dt(void *fdt, int offset, PowerPCCPU *cpu) { - int index = ppc_get_vcpu_id(cpu); + int index = spapr_vcpu_id(cpu); uint32_t associativity[] = {cpu_to_be32(0x5), cpu_to_be32(0x0), cpu_to_be32(0x0), @@ -341,7 +341,7 @@ static int spapr_fixup_cpu_dt(void *fdt, sPAPRMachineState *spapr) PowerPCCPU *cpu = POWERPC_CPU(cs); CPUPPCState *env = &cpu->env; DeviceClass *dc = DEVICE_GET_CLASS(cs); - int index = ppc_get_vcpu_id(cpu); + int index = spapr_vcpu_id(cpu); int compat_smt = MIN(smp_threads, ppc_compat_max_threads(cpu)); if ((index % smt) != 0) { @@ -493,7 +493,7 @@ static void spapr_populate_cpu_dt(CPUState *cs, void *fdt, int offset, PowerPCCPU *cpu = POWERPC_CPU(cs); CPUPPCState *env = &cpu->env; PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cs); - int index = ppc_get_vcpu_id(cpu); + int index = spapr_vcpu_id(cpu); uint32_t segs[] = {cpu_to_be32(28), cpu_to_be32(40), 0xffffffff, 0xffffffff}; uint32_t tbfreq = kvm_enabled() ? kvmppc_get_tbfreq() @@ -626,7 +626,7 @@ static void spapr_populate_cpus_dt_node(void *fdt, sPAPRMachineState *spapr) */ CPU_FOREACH_REVERSE(cs) { PowerPCCPU *cpu = POWERPC_CPU(cs); - int index = ppc_get_vcpu_id(cpu); + int index = spapr_vcpu_id(cpu); DeviceClass *dc = DEVICE_GET_CLASS(cs); int offset; @@ -3025,7 +3025,7 @@ static void *spapr_populate_hotplug_cpu_dt(CPUState *cs, int *fdt_offset, { PowerPCCPU *cpu = POWERPC_CPU(cs); DeviceClass *dc = DEVICE_GET_CLASS(cs); - int id = ppc_get_vcpu_id(cpu); + int id = spapr_vcpu_id(cpu); void *fdt; int offset, fdt_size; char *nodename; @@ -3435,7 +3435,7 @@ static void spapr_ics_resend(XICSFabric *dev) static ICPState *spapr_icp_get(XICSFabric *xi, int vcpu_id) { - PowerPCCPU *cpu = ppc_get_cpu_by_vcpu_id(vcpu_id); + PowerPCCPU *cpu = spapr_find_cpu(vcpu_id); return cpu ? ICP(cpu->intc) : NULL; } @@ -3455,6 +3455,32 @@ static void spapr_pic_print_info(InterruptStatsProvider *obj, ics_pic_print_info(spapr->ics, mon); } +int spapr_vcpu_id(PowerPCCPU *cpu) +{ + CPUState *cs = CPU(cpu); + + if (kvm_enabled()) { + return kvm_arch_vcpu_id(cs); + } else { + return cs->cpu_index; + } +} + +PowerPCCPU *spapr_find_cpu(int vcpu_id) +{ + CPUState *cs; + + CPU_FOREACH(cs) { + PowerPCCPU *cpu = POWERPC_CPU(cs); + + if (spapr_vcpu_id(cpu) == vcpu_id) { + return cpu; + } + } + + return NULL; +} + static void spapr_machine_class_init(ObjectClass *oc, void *data) { MachineClass *mc = MACHINE_CLASS(oc); diff --git a/hw/ppc/spapr_hcall.c b/hw/ppc/spapr_hcall.c index 4ca233854a..7cf0993800 100644 --- a/hw/ppc/spapr_hcall.c +++ b/hw/ppc/spapr_hcall.c @@ -999,7 +999,7 @@ static target_ulong h_register_vpa(PowerPCCPU *cpu, sPAPRMachineState *spapr, CPUPPCState *tenv; PowerPCCPU *tcpu; - tcpu = ppc_get_cpu_by_vcpu_id(procno); + tcpu = spapr_find_cpu(procno); if (!tcpu) { return H_PARAMETER; } @@ -1431,7 +1431,7 @@ static target_ulong h_signal_sys_reset(PowerPCCPU *cpu, } else { /* Unicast */ - cs = CPU(ppc_get_cpu_by_vcpu_id(target)); + cs = CPU(spapr_find_cpu(target)); if (cs) { run_on_cpu(cs, spapr_do_system_reset_on_cpu, RUN_ON_CPU_NULL); return H_SUCCESS; diff --git a/hw/ppc/spapr_rtas.c b/hw/ppc/spapr_rtas.c index 626c06b375..cdf0b607a0 100644 --- a/hw/ppc/spapr_rtas.c +++ b/hw/ppc/spapr_rtas.c @@ -104,7 +104,7 @@ static void rtas_query_cpu_stopped_state(PowerPCCPU *cpu_, } id = rtas_ld(args, 0); - cpu = ppc_get_cpu_by_vcpu_id(id); + cpu = spapr_find_cpu(id); if (cpu != NULL) { if (CPU(cpu)->halted) { rtas_st(rets, 1, 0); @@ -158,7 +158,7 @@ static void rtas_start_cpu(PowerPCCPU *cpu_, sPAPRMachineState *spapr, start = rtas_ld(args, 1); r3 = rtas_ld(args, 2); - cpu = ppc_get_cpu_by_vcpu_id(id); + cpu = spapr_find_cpu(id); if (cpu != NULL) { CPUState *cs = CPU(cpu); CPUPPCState *env = &cpu->env; diff --git a/include/hw/ppc/spapr.h b/include/hw/ppc/spapr.h index 5d161ec580..91617e3277 100644 --- a/include/hw/ppc/spapr.h +++ b/include/hw/ppc/spapr.h @@ -705,4 +705,7 @@ void spapr_do_system_reset_on_cpu(CPUState *cs, run_on_cpu_data arg); #define HTAB_SIZE(spapr) (1ULL << ((spapr)->htab_shift)) +int spapr_vcpu_id(PowerPCCPU *cpu); +PowerPCCPU *spapr_find_cpu(int vcpu_id); + #endif /* HW_SPAPR_H */ diff --git a/target/ppc/cpu.h b/target/ppc/cpu.h index 687e66acde..cf4ded7b8e 100644 --- a/target/ppc/cpu.h +++ b/target/ppc/cpu.h @@ -2514,23 +2514,5 @@ static inline bool lsw_reg_in_range(int start, int nregs, int rx) void dump_mmu(FILE *f, fprintf_function cpu_fprintf, CPUPPCState *env); -/** - * ppc_get_vcpu_id: - * @cs: a PowerPCCPU struct. - * - * Returns a device-tree ID for a CPU. - */ -int ppc_get_vcpu_id(PowerPCCPU *cpu); - -/** - * ppc_get_cpu_by_vcpu_id: - * @vcpu_id: a VCPU ID - * - * Searches for a CPU by @vcpu_id. - * - * Returns: a PowerPCCPU struct - */ -PowerPCCPU *ppc_get_cpu_by_vcpu_id(int vcpu_id); - void ppc_maybe_bswap_register(CPUPPCState *env, uint8_t *mem_buf, int len); #endif /* PPC_CPU_H */ diff --git a/target/ppc/kvm.c b/target/ppc/kvm.c index 1142d5c970..f1d54106ac 100644 --- a/target/ppc/kvm.c +++ b/target/ppc/kvm.c @@ -520,7 +520,7 @@ bool kvmppc_is_mem_backend_page_size_ok(const char *obj_path) unsigned long kvm_arch_vcpu_id(CPUState *cpu) { - return ppc_get_vcpu_id(POWERPC_CPU(cpu)); + return POWERPC_CPU(cpu)->vcpu_id; } /* e500 supports 2 h/w breakpoint and 2 watchpoint.