From patchwork Mon Feb 27 14:29:11 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?C=C3=A9dric_Le_Goater?= X-Patchwork-Id: 732865 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org 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 3vX46R67hFz9s9r for ; Tue, 28 Feb 2017 01:37:03 +1100 (AEDT) Received: from localhost ([::1]:53272 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ciMQ8-0006Ki-HE for incoming@patchwork.ozlabs.org; Mon, 27 Feb 2017 09:37:00 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:37818) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ciMJW-0000ei-I4 for qemu-devel@nongnu.org; Mon, 27 Feb 2017 09:30:14 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ciMJS-0007GB-Hs for qemu-devel@nongnu.org; Mon, 27 Feb 2017 09:30:10 -0500 Received: from 2.mo6.mail-out.ovh.net ([46.105.76.65]:35487) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1ciMJS-0007F8-8R for qemu-devel@nongnu.org; Mon, 27 Feb 2017 09:30:06 -0500 Received: from player761.ha.ovh.net (b9.ovh.net [213.186.33.59]) by mo6.mail-out.ovh.net (Postfix) with ESMTP id 925CDB3A85 for ; Mon, 27 Feb 2017 15:30:04 +0100 (CET) Received: from zorba.kaod.org.com (LFbn-1-10647-27.w90-89.abo.wanadoo.fr [90.89.233.27]) (Authenticated sender: clg@kaod.org) by player761.ha.ovh.net (Postfix) with ESMTPSA id C27254800A1; Mon, 27 Feb 2017 15:29:59 +0100 (CET) From: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= To: David Gibson Date: Mon, 27 Feb 2017 15:29:11 +0100 Message-Id: <1488205773-30436-5-git-send-email-clg@kaod.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1488205773-30436-1-git-send-email-clg@kaod.org> References: <1488205773-30436-1-git-send-email-clg@kaod.org> MIME-Version: 1.0 X-Ovh-Tracer-Id: 4029314293341785062 X-VR-SPAMSTATE: OK X-VR-SPAMSCORE: -100 X-VR-SPAMCAUSE: gggruggvucftvghtrhhoucdtuddrfeelhedrvdeigdeihecutefuodetggdotefrodftvfcurfhrohhfihhlvgemucfqggfjpdevjffgvefmvefgnecuuegrihhlohhuthemuceftddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmd X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 46.105.76.65 Subject: [Qemu-devel] [PATCH v4 04/26] ppc/xics: remove set_nr_servers() handler from XICSStateClass 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-ppc@nongnu.org, qemu-devel@nongnu.org, =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Today, the ICP (Interrupt Controller Presenter) objects are created by the 'nr_servers' property handler of the XICS object and a class handler. They are realized in the XICS object realize routine. Let's simplify the process by creating the ICP objects along with the XICS object at the machine level. Signed-off-by: Cédric Le Goater Reviewed-by: David Gibson --- Changes since v1: - added a XICS link to the ICS object - removed xics_set_nr_servers() routine - removed set_nr_servers() class handler hw/intc/xics.c | 74 +++++++++++++-------------------------------------- hw/intc/xics_kvm.c | 21 +-------------- hw/intc/xics_spapr.c | 26 ------------------ hw/ppc/spapr.c | 30 ++++++++++++++++----- include/hw/ppc/xics.h | 3 --- 5 files changed, 42 insertions(+), 112 deletions(-) diff --git a/hw/intc/xics.c b/hw/intc/xics.c index f00b77ae15f4..d2a417f73fd5 100644 --- a/hw/intc/xics.c +++ b/hw/intc/xics.c @@ -151,67 +151,11 @@ static void xics_common_reset(DeviceState *d) } } -void xics_set_nr_servers(XICSState *xics, uint32_t nr_servers, - const char *typename, Error **errp) -{ - int i; - - xics->nr_servers = nr_servers; - - xics->ss = g_malloc0(xics->nr_servers * sizeof(ICPState)); - for (i = 0; i < xics->nr_servers; i++) { - char name[32]; - ICPState *icp = &xics->ss[i]; - - object_initialize(icp, sizeof(*icp), typename); - snprintf(name, sizeof(name), "icp[%d]", i); - object_property_add_child(OBJECT(xics), name, OBJECT(icp), errp); - icp->xics = xics; - } -} - -static void xics_prop_get_nr_servers(Object *obj, Visitor *v, - const char *name, void *opaque, - Error **errp) -{ - XICSState *xics = XICS_COMMON(obj); - int64_t value = xics->nr_servers; - - visit_type_int(v, name, &value, errp); -} - -static void xics_prop_set_nr_servers(Object *obj, Visitor *v, - const char *name, void *opaque, - Error **errp) -{ - XICSState *xics = XICS_COMMON(obj); - XICSStateClass *xsc = XICS_COMMON_GET_CLASS(xics); - Error *error = NULL; - int64_t value; - - visit_type_int(v, name, &value, &error); - if (error) { - error_propagate(errp, error); - return; - } - if (xics->nr_servers) { - error_setg(errp, "Number of servers is already set to %u", - xics->nr_servers); - return; - } - - assert(xsc->set_nr_servers); - xsc->set_nr_servers(xics, value, errp); -} - static void xics_common_initfn(Object *obj) { XICSState *xics = XICS_COMMON(obj); QLIST_INIT(&xics->ics); - object_property_add(obj, "nr_servers", "int", - xics_prop_get_nr_servers, xics_prop_set_nr_servers, - NULL, NULL, NULL); } static void xics_common_class_init(ObjectClass *oc, void *data) @@ -450,12 +394,30 @@ static void icp_reset(DeviceState *dev) qemu_set_irq(icp->output, 0); } +static void icp_realize(DeviceState *dev, Error **errp) +{ + ICPState *icp = ICP(dev); + Object *obj; + Error *err = NULL; + + obj = object_property_get_link(OBJECT(dev), "xics", &err); + if (!obj) { + error_setg(errp, "%s: required link 'xics' not found: %s", + __func__, error_get_pretty(err)); + return; + } + + icp->xics = XICS_COMMON(obj); +} + + static void icp_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); dc->reset = icp_reset; dc->vmsd = &vmstate_icp_server; + dc->realize = icp_realize; } static const TypeInfo icp_info = { diff --git a/hw/intc/xics_kvm.c b/hw/intc/xics_kvm.c index e5ab00b22361..2d08c4071d3f 100644 --- a/hw/intc/xics_kvm.c +++ b/hw/intc/xics_kvm.c @@ -358,12 +358,6 @@ static void xics_kvm_cpu_setup(XICSState *xics, PowerPCCPU *cpu) ss->cap_irq_xics_enabled = true; } -static void xics_kvm_set_nr_servers(XICSState *xics, uint32_t nr_servers, - Error **errp) -{ - xics_set_nr_servers(xics, nr_servers, TYPE_KVM_ICP, errp); -} - static void rtas_dummy(PowerPCCPU *cpu, sPAPRMachineState *spapr, uint32_t token, uint32_t nargs, target_ulong args, @@ -376,9 +370,7 @@ static void rtas_dummy(PowerPCCPU *cpu, sPAPRMachineState *spapr, static void xics_kvm_realize(DeviceState *dev, Error **errp) { KVMXICSState *xicskvm = XICS_SPAPR_KVM(dev); - XICSState *xics = XICS_COMMON(dev); - int i, rc; - Error *error = NULL; + int rc; struct kvm_create_device xics_create_device = { .type = KVM_DEV_TYPE_XICS, .flags = 0, @@ -428,16 +420,6 @@ static void xics_kvm_realize(DeviceState *dev, Error **errp) xicskvm->kernel_xics_fd = xics_create_device.fd; - assert(xics->nr_servers); - for (i = 0; i < xics->nr_servers; i++) { - object_property_set_bool(OBJECT(&xics->ss[i]), true, "realized", - &error); - if (error) { - error_propagate(errp, error); - goto fail; - } - } - kvm_kernel_irqchip = true; kvm_msi_via_irqfd_allowed = true; kvm_gsi_direct_mapping = true; @@ -458,7 +440,6 @@ static void xics_kvm_class_init(ObjectClass *oc, void *data) dc->realize = xics_kvm_realize; xsc->cpu_setup = xics_kvm_cpu_setup; - xsc->set_nr_servers = xics_kvm_set_nr_servers; } static const TypeInfo xics_spapr_kvm_info = { diff --git a/hw/intc/xics_spapr.c b/hw/intc/xics_spapr.c index 03e42a866603..859b5675e175 100644 --- a/hw/intc/xics_spapr.c +++ b/hw/intc/xics_spapr.c @@ -239,23 +239,8 @@ static void rtas_int_on(PowerPCCPU *cpu, sPAPRMachineState *spapr, rtas_st(rets, 0, RTAS_OUT_SUCCESS); } -static void xics_spapr_set_nr_servers(XICSState *xics, uint32_t nr_servers, - Error **errp) -{ - xics_set_nr_servers(xics, nr_servers, TYPE_ICP, errp); -} - static void xics_spapr_realize(DeviceState *dev, Error **errp) { - XICSState *xics = XICS_SPAPR(dev); - Error *error = NULL; - int i; - - if (!xics->nr_servers) { - error_setg(errp, "Number of servers needs to be greater 0"); - return; - } - /* Registration of global state belongs into realize */ spapr_rtas_register(RTAS_IBM_SET_XIVE, "ibm,set-xive", rtas_set_xive); spapr_rtas_register(RTAS_IBM_GET_XIVE, "ibm,get-xive", rtas_get_xive); @@ -268,24 +253,13 @@ static void xics_spapr_realize(DeviceState *dev, Error **errp) spapr_register_hypercall(H_XIRR_X, h_xirr_x); spapr_register_hypercall(H_EOI, h_eoi); spapr_register_hypercall(H_IPOLL, h_ipoll); - - for (i = 0; i < xics->nr_servers; i++) { - object_property_set_bool(OBJECT(&xics->ss[i]), true, "realized", - &error); - if (error) { - error_propagate(errp, error); - return; - } - } } static void xics_spapr_class_init(ObjectClass *oc, void *data) { DeviceClass *dc = DEVICE_CLASS(oc); - XICSStateClass *xsc = XICS_SPAPR_CLASS(oc); dc->realize = xics_spapr_realize; - xsc->set_nr_servers = xics_spapr_set_nr_servers; } static const TypeInfo xics_spapr_info = { diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c index 398ce5a9cc1e..f1b690e8983e 100644 --- a/hw/ppc/spapr.c +++ b/hw/ppc/spapr.c @@ -96,17 +96,17 @@ #define HTAB_SIZE(spapr) (1ULL << ((spapr)->htab_shift)) static XICSState *try_create_xics(const char *type, const char *type_ics, - int nr_servers, int nr_irqs, Error **errp) + const char *type_icp, int nr_servers, + int nr_irqs, Error **errp) { Error *err = NULL, *local_err = NULL; XICSState *xics; ICSState *ics = NULL; + int i; xics = XICS_COMMON(object_new(type)); qdev_set_parent_bus(DEVICE(xics), sysbus_get_default()); - object_property_set_int(OBJECT(xics), nr_servers, "nr_servers", &err); - object_property_set_bool(OBJECT(xics), true, "realized", &local_err); - error_propagate(&err, local_err); + object_property_set_bool(OBJECT(xics), true, "realized", &err); if (err) { goto error; } @@ -122,6 +122,22 @@ static XICSState *try_create_xics(const char *type, const char *type_ics, } QLIST_INSERT_HEAD(&xics->ics, ics, list); + xics->ss = g_malloc0(nr_servers * sizeof(ICPState)); + xics->nr_servers = nr_servers; + + for (i = 0; i < nr_servers; i++) { + ICPState *icp = &xics->ss[i]; + + object_initialize(icp, sizeof(*icp), type_icp); + object_property_add_child(OBJECT(xics), "icp[*]", OBJECT(icp), NULL); + object_property_add_const_link(OBJECT(icp), "xics", OBJECT(xics), NULL); + object_property_set_bool(OBJECT(icp), true, "realized", &err); + if (err) { + goto error; + } + object_unref(OBJECT(icp)); + } + return xics; error: @@ -143,7 +159,7 @@ static XICSState *xics_system_init(MachineState *machine, if (machine_kernel_irqchip_allowed(machine)) { xics = try_create_xics(TYPE_XICS_SPAPR_KVM, TYPE_ICS_KVM, - nr_servers, nr_irqs, &err); + TYPE_KVM_ICP, nr_servers, nr_irqs, &err); } if (machine_kernel_irqchip_required(machine) && !xics) { error_reportf_err(err, @@ -154,8 +170,8 @@ static XICSState *xics_system_init(MachineState *machine, } if (!xics) { - xics = try_create_xics(TYPE_XICS_SPAPR, TYPE_ICS_SIMPLE, nr_servers, - nr_irqs, errp); + xics = try_create_xics(TYPE_XICS_SPAPR, TYPE_ICS_SIMPLE, TYPE_ICP, + nr_servers, nr_irqs, errp); } return xics; diff --git a/include/hw/ppc/xics.h b/include/hw/ppc/xics.h index a1d12d39c898..e79a70748e4c 100644 --- a/include/hw/ppc/xics.h +++ b/include/hw/ppc/xics.h @@ -74,7 +74,6 @@ struct XICSStateClass { DeviceClass parent_class; void (*cpu_setup)(XICSState *icp, PowerPCCPU *cpu); - void (*set_nr_servers)(XICSState *icp, uint32_t nr_servers, Error **errp); }; struct XICSState { @@ -190,8 +189,6 @@ void spapr_dt_xics(XICSState *xics, void *fdt, uint32_t phandle); void xics_cpu_setup(XICSState *icp, PowerPCCPU *cpu); void xics_cpu_destroy(XICSState *icp, PowerPCCPU *cpu); -void xics_set_nr_servers(XICSState *xics, uint32_t nr_servers, - const char *typename, Error **errp); /* Internal XICS interfaces */ int xics_get_cpu_index_by_dt_id(int cpu_dt_id);