From: Greg Kurz <groug@kaod.org>
To: David Gibson <david@gibson.dropbear.id.au>
Cc: "Jason Wang" <jasowang@redhat.com>,
"Riku Voipio" <riku.voipio@iki.fi>,
qemu-devel@nongnu.org, "Laurent Vivier" <laurent@vivier.eu>,
qemu-ppc@nongnu.org, clg@kaod.org,
"Paolo Bonzini" <pbonzini@redhat.com>,
"Marc-André Lureau" <marcandre.lureau@redhat.com>,
philmd@redhat.com
Subject: Re: [PATCH v3 22/34] spapr, xics, xive: Move cpu_intc_create from SpaprIrq to SpaprInterruptController
Date: Wed, 2 Oct 2019 09:13:10 +0200 [thread overview]
Message-ID: <20191002091310.0e362825@bahia.lan> (raw)
In-Reply-To: <20191002025208.3487-23-david@gibson.dropbear.id.au>
On Wed, 2 Oct 2019 12:51:56 +1000
David Gibson <david@gibson.dropbear.id.au> wrote:
> 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 <david@gibson.dropbear.id.au>
> ---
Reviewed-by: Greg Kurz <groug@kaod.org>
> 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 | 13 +++++-
> 5 files changed, 79 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 8791dec1ba..9cb2fc71ca 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,
> @@ -527,6 +471,30 @@ static int spapr_irq_check(SpaprMachineState *spapr, Error **errp)
> /*
> * sPAPR IRQ frontend routines for devices
> */
> +#define ALL_INTCS(spapr_) \
> + { SPAPR_INTC((spapr_)->ics), SPAPR_INTC((spapr_)->xive), }
> +
> +int spapr_irq_cpu_intc_create(SpaprMachineState *spapr,
> + PowerPCCPU *cpu, Error **errp)
> +{
> + SpaprInterruptController *intcs[] = ALL_INTCS(spapr);
> + int i;
> + int rc;
> +
> + for (i = 0; i < ARRAY_SIZE(intcs); i++) {
> + SpaprInterruptController *intc = intcs[i];
> + if (intc) {
> + SpaprInterruptControllerClass *sicc = SPAPR_INTC_GET_CLASS(intc);
> + rc = sicc->cpu_intc_create(intc, cpu, errp);
> + if (rc < 0) {
> + return rc;
> + }
> + }
> + }
> +
> + return 0;
> +}
> +
> void spapr_irq_init(SpaprMachineState *spapr, Error **errp)
> {
> MachineState *machine = MACHINE(spapr);
> @@ -762,7 +730,6 @@ 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..5e641e23c1 100644
> --- a/include/hw/ppc/spapr_irq.h
> +++ b/include/hw/ppc/spapr_irq.h
> @@ -43,8 +43,19 @@ 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;
>
> +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 +72,6 @@ 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);
next prev parent reply other threads:[~2019-10-02 7:14 UTC|newest]
Thread overview: 64+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-02 2:51 [PATCH v3 00/34] spapr: IRQ subsystem cleanup David Gibson
2019-10-02 2:51 ` [PATCH v3 01/34] xics: Minor fixes for XICSFabric interface David Gibson
2019-10-02 5:51 ` Cédric Le Goater
2019-10-02 5:55 ` Cédric Le Goater
2019-10-02 5:55 ` David Gibson
2019-10-02 6:56 ` Greg Kurz
2019-10-02 2:51 ` [PATCH v3 02/34] xics: Eliminate 'reject', 'resend' and 'eoi' class hooks David Gibson
2019-10-02 2:51 ` [PATCH v3 03/34] xics: Rename misleading ics_simple_*() functions David Gibson
2019-10-02 2:51 ` [PATCH v3 04/34] xics: Eliminate reset hook David Gibson
2019-10-02 2:51 ` [PATCH v3 05/34] xics: Merge TYPE_ICS_BASE and TYPE_ICS_SIMPLE classes David Gibson
2019-10-02 2:51 ` [PATCH v3 06/34] xics: Create sPAPR specific ICS subtype David Gibson
2019-10-02 2:51 ` [PATCH v3 07/34] spapr: Fold spapr_phb_lsi_qirq() into its single caller David Gibson
2019-10-02 2:51 ` [PATCH v3 08/34] spapr: Replace spapr_vio_qirq() helper with spapr_vio_irq_pulse() helper David Gibson
2019-10-02 2:51 ` [PATCH v3 09/34] spapr: Clarify and fix handling of nr_irqs David Gibson
2019-10-02 5:57 ` Cédric Le Goater
2019-10-02 2:51 ` [PATCH v3 10/34] spapr: Eliminate nr_irqs parameter to SpaprIrq::init David Gibson
2019-10-02 2:51 ` [PATCH v3 11/34] spapr: Fix indexing of XICS irqs David Gibson
2019-10-02 2:51 ` [PATCH v3 12/34] spapr: Simplify spapr_qirq() handling David Gibson
2019-10-02 2:51 ` [PATCH v3 13/34] spapr: Eliminate SpaprIrq:get_nodename method David Gibson
2019-10-02 2:51 ` [PATCH v3 14/34] spapr: Remove unhelpful tracepoints from spapr_irq_free_xics() David Gibson
2019-10-02 2:51 ` [PATCH v3 15/34] spapr: Handle freeing of multiple irqs in frontend only David Gibson
2019-10-02 5:51 ` Greg Kurz
2019-10-02 5:55 ` Cédric Le Goater
2019-10-02 2:51 ` [PATCH v3 16/34] spapr, xics, xive: Better use of assert()s on irq claim/free paths David Gibson
2019-10-02 2:51 ` [PATCH v3 17/34] xive: Improve irq claim/free path David Gibson
2019-10-02 2:51 ` [PATCH v3 18/34] spapr: Use less cryptic representation of which irq backends are supported David Gibson
2019-10-02 2:51 ` [PATCH v3 19/34] spapr: Add return value to spapr_irq_check() David Gibson
2019-10-02 5:58 ` Cédric Le Goater
2019-10-02 6:08 ` Greg Kurz
2019-10-02 2:51 ` [PATCH v3 20/34] spapr: Eliminate SpaprIrq::init hook David Gibson
2019-10-02 2:51 ` [PATCH v3 21/34] spapr, xics, xive: Introduce SpaprInterruptController QOM interface David Gibson
2019-10-02 2:51 ` [PATCH v3 22/34] spapr, xics, xive: Move cpu_intc_create from SpaprIrq to SpaprInterruptController David Gibson
2019-10-02 6:06 ` Cédric Le Goater
2019-10-02 6:10 ` David Gibson
2019-10-02 6:13 ` Cédric Le Goater
2019-10-02 6:40 ` David Gibson
2019-10-02 7:31 ` Cédric Le Goater
2019-10-02 22:28 ` David Gibson
2019-10-02 7:13 ` Greg Kurz [this message]
2019-10-02 9:41 ` Cédric Le Goater
2019-10-02 2:51 ` [PATCH v3 23/34] spapr, xics, xive: Move irq claim and free " David Gibson
2019-10-02 6:10 ` Cédric Le Goater
2019-10-02 6:16 ` David Gibson
2019-10-02 7:59 ` Greg Kurz
2019-10-02 22:17 ` David Gibson
2019-10-02 9:23 ` Cédric Le Goater
2019-10-02 2:51 ` [PATCH v3 24/34] spapr: Formalize notion of active interrupt controller David Gibson
2019-10-02 2:51 ` [PATCH v3 25/34] spapr, xics, xive: Move set_irq from SpaprIrq to SpaprInterruptController David Gibson
2019-10-02 2:52 ` [PATCH v3 26/34] spapr, xics, xive: Move print_info " David Gibson
2019-10-02 2:52 ` [PATCH v3 27/34] spapr, xics, xive: Move dt_populate " David Gibson
2019-10-02 2:52 ` [PATCH v3 28/34] spapr, xics, xive: Match signatures for XICS and XIVE KVM connect routines David Gibson
2019-10-02 2:52 ` [PATCH v3 29/34] spapr: Remove SpaprIrq::init_kvm hook David Gibson
2019-10-02 2:52 ` [PATCH v3 30/34] spapr, xics, xive: Move SpaprIrq::reset hook logic into activate/deactivate David Gibson
2019-10-02 9:29 ` Greg Kurz
2019-10-03 0:22 ` David Gibson
2019-10-02 2:52 ` [PATCH v3 31/34] spapr, xics, xive: Move SpaprIrq::post_load hook to backends David Gibson
2019-10-02 9:50 ` Greg Kurz
2019-10-02 2:52 ` [PATCH v3 32/34] spapr: Remove SpaprIrq::nr_msis David Gibson
2019-10-02 2:52 ` [PATCH v3 33/34] spapr: Move SpaprIrq::nr_xirqs to SpaprMachineClass David Gibson
2019-10-02 2:52 ` [PATCH v3 34/34] spapr: Remove last pieces of SpaprIrq David Gibson
2019-10-02 10:20 ` Greg Kurz
2019-10-02 22:31 ` David Gibson
2019-10-03 5:19 ` David Gibson
2019-10-03 6:18 ` [PATCH v3 00/34] spapr: IRQ subsystem cleanup David Gibson
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20191002091310.0e362825@bahia.lan \
--to=groug@kaod.org \
--cc=clg@kaod.org \
--cc=david@gibson.dropbear.id.au \
--cc=jasowang@redhat.com \
--cc=laurent@vivier.eu \
--cc=marcandre.lureau@redhat.com \
--cc=pbonzini@redhat.com \
--cc=philmd@redhat.com \
--cc=qemu-devel@nongnu.org \
--cc=qemu-ppc@nongnu.org \
--cc=riku.voipio@iki.fi \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).