From patchwork Fri Sep 27 05:50:16 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: David Gibson X-Patchwork-Id: 11163787 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id E820C112B for ; Fri, 27 Sep 2019 06:08:25 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id ADDEF20863 for ; Fri, 27 Sep 2019 06:08:25 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=gibson.dropbear.id.au header.i=@gibson.dropbear.id.au header.b="FT2jVKTb" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org ADDEF20863 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=gibson.dropbear.id.au Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Received: from localhost ([::1]:46708 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iDjQW-0000GK-8J for patchwork-qemu-devel@patchwork.kernel.org; Fri, 27 Sep 2019 02:08:24 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:47741) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iDj9Z-0006vx-1p for qemu-devel@nongnu.org; Fri, 27 Sep 2019 01:50:55 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iDj9V-00057Q-Kh for qemu-devel@nongnu.org; Fri, 27 Sep 2019 01:50:52 -0400 Received: from ozlabs.org ([203.11.71.1]:50845) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1iDj9V-000545-5H; Fri, 27 Sep 2019 01:50:49 -0400 Received: by ozlabs.org (Postfix, from userid 1007) id 46fgrG0gKtz9sRR; Fri, 27 Sep 2019 15:50:38 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gibson.dropbear.id.au; s=201602; t=1569563438; bh=TlWfAP0UA2UecPFW2KNnHzRHOM96m/G3RLcvx07NU4A=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=FT2jVKTbzNkiOm3lrbbn52hsQ055IvkBkOSNK4pj4qqJsa6sb98pMRTTKdDNAiO6z cyx/Hmwvbp7ZPYjyrxFJYPj1dkMRLMYL4jcXqBa9noImh6UzTBwocQv3CS/6FXXRbS 4eWGGlsa4n9EDFx0uz5B6lnMvRK7Yohsv0fffW7g= From: David Gibson To: qemu-devel@nongnu.org, clg@kaod.org, qemu-ppc@nongnu.org Subject: [PATCH v2 21/33] spapr, xics, xive: Move cpu_intc_create from SpaprIrq to SpaprInterruptController Date: Fri, 27 Sep 2019 15:50:16 +1000 Message-Id: <20190927055028.11493-22-david@gibson.dropbear.id.au> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190927055028.11493-1-david@gibson.dropbear.id.au> References: <20190927055028.11493-1-david@gibson.dropbear.id.au> MIME-Version: 1.0 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 203.11.71.1 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Jason Wang , Riku Voipio , groug@kaod.org, Laurent Vivier , Paolo Bonzini , =?utf-8?q?Marc-Andr=C3=A9_Lureau?= , philmd@redhat.com, David Gibson Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" This method essentially represents code which belongs to the interrupt controller, but needs to be called on all possible intcs, rather than just the currently active one. The "dual" version therefore calls into the xics and xive versions confusingly. Handle this more directly, by making it instead a method on the intc backend, and always calling it on every backend that exists. While we're there, streamline the error reporting a bit. Signed-off-by: David Gibson Reviewed-by: Cédric Le Goater --- hw/intc/spapr_xive.c | 25 ++++++++++++ hw/intc/xics_spapr.c | 18 +++++++++ hw/ppc/spapr_cpu_core.c | 3 +- hw/ppc/spapr_irq.c | 81 +++++++++++--------------------------- include/hw/ppc/spapr_irq.h | 16 +++++++- 5 files changed, 82 insertions(+), 61 deletions(-) diff --git a/hw/intc/spapr_xive.c b/hw/intc/spapr_xive.c index b67e9c3245..9338daba3d 100644 --- a/hw/intc/spapr_xive.c +++ b/hw/intc/spapr_xive.c @@ -495,10 +495,33 @@ static Property spapr_xive_properties[] = { DEFINE_PROP_END_OF_LIST(), }; +static int spapr_xive_cpu_intc_create(SpaprInterruptController *intc, + PowerPCCPU *cpu, Error **errp) +{ + SpaprXive *xive = SPAPR_XIVE(intc); + Object *obj; + SpaprCpuState *spapr_cpu = spapr_cpu_state(cpu); + + obj = xive_tctx_create(OBJECT(cpu), XIVE_ROUTER(xive), errp); + if (!obj) { + return -1; + } + + spapr_cpu->tctx = XIVE_TCTX(obj); + + /* + * (TCG) Early setting the OS CAM line for hotplugged CPUs as they + * don't beneficiate from the reset of the XIVE IRQ backend + */ + spapr_xive_set_tctx_os_cam(spapr_cpu->tctx); + return 0; +} + static void spapr_xive_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); XiveRouterClass *xrc = XIVE_ROUTER_CLASS(klass); + SpaprInterruptControllerClass *sicc = SPAPR_INTC_CLASS(klass); dc->desc = "sPAPR XIVE Interrupt Controller"; dc->props = spapr_xive_properties; @@ -511,6 +534,8 @@ static void spapr_xive_class_init(ObjectClass *klass, void *data) xrc->get_nvt = spapr_xive_get_nvt; xrc->write_nvt = spapr_xive_write_nvt; xrc->get_tctx = spapr_xive_get_tctx; + + sicc->cpu_intc_create = spapr_xive_cpu_intc_create; } static const TypeInfo spapr_xive_info = { diff --git a/hw/intc/xics_spapr.c b/hw/intc/xics_spapr.c index 4874e6be55..946311b858 100644 --- a/hw/intc/xics_spapr.c +++ b/hw/intc/xics_spapr.c @@ -330,13 +330,31 @@ void spapr_dt_xics(SpaprMachineState *spapr, uint32_t nr_servers, void *fdt, _FDT(fdt_setprop_cell(fdt, node, "phandle", phandle)); } +static int xics_spapr_cpu_intc_create(SpaprInterruptController *intc, + PowerPCCPU *cpu, Error **errp) +{ + ICSState *ics = ICS_SPAPR(intc); + Object *obj; + SpaprCpuState *spapr_cpu = spapr_cpu_state(cpu); + + obj = icp_create(OBJECT(cpu), TYPE_ICP, ics->xics, errp); + if (!obj) { + return -1; + } + + spapr_cpu->icp = ICP(obj); + return 0; +} + static void ics_spapr_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); ICSStateClass *isc = ICS_CLASS(klass); + SpaprInterruptControllerClass *sicc = SPAPR_INTC_CLASS(klass); device_class_set_parent_realize(dc, ics_spapr_realize, &isc->parent_realize); + sicc->cpu_intc_create = xics_spapr_cpu_intc_create; } static const TypeInfo ics_spapr_info = { diff --git a/hw/ppc/spapr_cpu_core.c b/hw/ppc/spapr_cpu_core.c index 1d93de8161..3e4302c7d5 100644 --- a/hw/ppc/spapr_cpu_core.c +++ b/hw/ppc/spapr_cpu_core.c @@ -237,8 +237,7 @@ static void spapr_realize_vcpu(PowerPCCPU *cpu, SpaprMachineState *spapr, qemu_register_reset(spapr_cpu_reset, cpu); spapr_cpu_reset(cpu); - spapr->irq->cpu_intc_create(spapr, cpu, &local_err); - if (local_err) { + if (spapr_irq_cpu_intc_create(spapr, cpu, &local_err) < 0) { goto error_unregister; } diff --git a/hw/ppc/spapr_irq.c b/hw/ppc/spapr_irq.c index 0603c82fe8..a855dfe4e9 100644 --- a/hw/ppc/spapr_irq.c +++ b/hw/ppc/spapr_irq.c @@ -138,23 +138,6 @@ static void spapr_irq_print_info_xics(SpaprMachineState *spapr, Monitor *mon) ics_pic_print_info(spapr->ics, mon); } -static void spapr_irq_cpu_intc_create_xics(SpaprMachineState *spapr, - PowerPCCPU *cpu, Error **errp) -{ - Error *local_err = NULL; - Object *obj; - SpaprCpuState *spapr_cpu = spapr_cpu_state(cpu); - - obj = icp_create(OBJECT(cpu), TYPE_ICP, XICS_FABRIC(spapr), - &local_err); - if (local_err) { - error_propagate(errp, local_err); - return; - } - - spapr_cpu->icp = ICP(obj); -} - static int spapr_irq_post_load_xics(SpaprMachineState *spapr, int version_id) { if (!kvm_irqchip_in_kernel()) { @@ -203,7 +186,6 @@ SpaprIrq spapr_irq_xics = { .free = spapr_irq_free_xics, .print_info = spapr_irq_print_info_xics, .dt_populate = spapr_dt_xics, - .cpu_intc_create = spapr_irq_cpu_intc_create_xics, .post_load = spapr_irq_post_load_xics, .reset = spapr_irq_reset_xics, .set_irq = spapr_irq_set_irq_xics, @@ -239,28 +221,6 @@ static void spapr_irq_print_info_xive(SpaprMachineState *spapr, spapr_xive_pic_print_info(spapr->xive, mon); } -static void spapr_irq_cpu_intc_create_xive(SpaprMachineState *spapr, - PowerPCCPU *cpu, Error **errp) -{ - Error *local_err = NULL; - Object *obj; - SpaprCpuState *spapr_cpu = spapr_cpu_state(cpu); - - obj = xive_tctx_create(OBJECT(cpu), XIVE_ROUTER(spapr->xive), &local_err); - if (local_err) { - error_propagate(errp, local_err); - return; - } - - spapr_cpu->tctx = XIVE_TCTX(obj); - - /* - * (TCG) Early setting the OS CAM line for hotplugged CPUs as they - * don't beneficiate from the reset of the XIVE IRQ backend - */ - spapr_xive_set_tctx_os_cam(spapr_cpu->tctx); -} - static int spapr_irq_post_load_xive(SpaprMachineState *spapr, int version_id) { return spapr_xive_post_load(spapr->xive, version_id); @@ -316,7 +276,6 @@ SpaprIrq spapr_irq_xive = { .free = spapr_irq_free_xive, .print_info = spapr_irq_print_info_xive, .dt_populate = spapr_dt_xive, - .cpu_intc_create = spapr_irq_cpu_intc_create_xive, .post_load = spapr_irq_post_load_xive, .reset = spapr_irq_reset_xive, .set_irq = spapr_irq_set_irq_xive, @@ -381,20 +340,6 @@ static void spapr_irq_dt_populate_dual(SpaprMachineState *spapr, spapr_irq_current(spapr)->dt_populate(spapr, nr_servers, fdt, phandle); } -static void spapr_irq_cpu_intc_create_dual(SpaprMachineState *spapr, - PowerPCCPU *cpu, Error **errp) -{ - Error *local_err = NULL; - - spapr_irq_xive.cpu_intc_create(spapr, cpu, &local_err); - if (local_err) { - error_propagate(errp, local_err); - return; - } - - spapr_irq_xics.cpu_intc_create(spapr, cpu, errp); -} - static int spapr_irq_post_load_dual(SpaprMachineState *spapr, int version_id) { /* @@ -460,7 +405,6 @@ SpaprIrq spapr_irq_dual = { .free = spapr_irq_free_dual, .print_info = spapr_irq_print_info_dual, .dt_populate = spapr_irq_dt_populate_dual, - .cpu_intc_create = spapr_irq_cpu_intc_create_dual, .post_load = spapr_irq_post_load_dual, .reset = spapr_irq_reset_dual, .set_irq = spapr_irq_set_irq_dual, @@ -525,6 +469,30 @@ static void spapr_irq_check(SpaprMachineState *spapr, Error **errp) /* * sPAPR IRQ frontend routines for devices */ +int spapr_irq_cpu_intc_create(SpaprMachineState *spapr, + PowerPCCPU *cpu, Error **errp) +{ + if (spapr->xive) { + SpaprInterruptController *intc = SPAPR_INTC(spapr->xive); + SpaprInterruptControllerClass *sicc = SPAPR_INTC_GET_CLASS(intc); + + if (sicc->cpu_intc_create(intc, cpu, errp) < 0) { + return -1; + } + } + + if (spapr->ics) { + SpaprInterruptController *intc = SPAPR_INTC(spapr->ics); + SpaprInterruptControllerClass *sicc = SPAPR_INTC_GET_CLASS(intc); + + if (sicc->cpu_intc_create(intc, cpu, errp) < 0) { + return -1; + } + } + + return 0; +} + void spapr_irq_init(SpaprMachineState *spapr, Error **errp) { MachineState *machine = MACHINE(spapr); @@ -763,7 +731,6 @@ SpaprIrq spapr_irq_xics_legacy = { .free = spapr_irq_free_xics, .print_info = spapr_irq_print_info_xics, .dt_populate = spapr_dt_xics, - .cpu_intc_create = spapr_irq_cpu_intc_create_xics, .post_load = spapr_irq_post_load_xics, .reset = spapr_irq_reset_xics, .set_irq = spapr_irq_set_irq_xics, diff --git a/include/hw/ppc/spapr_irq.h b/include/hw/ppc/spapr_irq.h index b9398e0be3..30d660ff1e 100644 --- a/include/hw/ppc/spapr_irq.h +++ b/include/hw/ppc/spapr_irq.h @@ -43,8 +43,22 @@ typedef struct SpaprInterruptController SpaprInterruptController; typedef struct SpaprInterruptControllerClass { InterfaceClass parent; + + /* + * These methods will typically be called on all intcs, active and + * inactive + */ + int (*cpu_intc_create)(SpaprInterruptController *intc, + PowerPCCPU *cpu, Error **errp); } SpaprInterruptControllerClass; +void spapr_irq_print_info(SpaprMachineState *spapr, Monitor *mon); +void spapr_irq_dt(SpaprMachineState *spapr, uint32_t nr_servers, + void *fdt, uint32_t phandle); +int spapr_irq_cpu_intc_create(SpaprMachineState *spapr, + PowerPCCPU *cpu, Error **errp); + + void spapr_irq_msi_init(SpaprMachineState *spapr, uint32_t nr_msis); int spapr_irq_msi_alloc(SpaprMachineState *spapr, uint32_t num, bool align, Error **errp); @@ -61,8 +75,6 @@ typedef struct SpaprIrq { void (*print_info)(SpaprMachineState *spapr, Monitor *mon); void (*dt_populate)(SpaprMachineState *spapr, uint32_t nr_servers, void *fdt, uint32_t phandle); - void (*cpu_intc_create)(SpaprMachineState *spapr, PowerPCCPU *cpu, - Error **errp); int (*post_load)(SpaprMachineState *spapr, int version_id); void (*reset)(SpaprMachineState *spapr, Error **errp); void (*set_irq)(void *opaque, int srcno, int val);