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,
"Marc-André Lureau" <marcandre.lureau@redhat.com>,
"Paolo Bonzini" <pbonzini@redhat.com>,
philmd@redhat.com
Subject: Re: [PATCH v2 26/33] spapr, xics, xive: Move dt_populate from SpaprIrq to SpaprInterruptController
Date: Fri, 27 Sep 2019 16:38:22 +0200 [thread overview]
Message-ID: <20190927163822.70dfd6fd@bahia.lan> (raw)
In-Reply-To: <20190927055028.11493-27-david@gibson.dropbear.id.au>
On Fri, 27 Sep 2019 15:50:21 +1000
David Gibson <david@gibson.dropbear.id.au> wrote:
> This method depends only on the active irq controller. Now that we've
> formalized the notion of active controller we can dispatch directly
> through that, rather than dispatching via SpaprIrq with the dual
> version having to do a second conditional dispatch.
>
> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
> ---
Reviewed-by: Greg Kurz <groug@kaod.org>
> hw/intc/spapr_xive.c | 125 ++++++++++++++++++------------------
> hw/intc/xics_spapr.c | 5 +-
> hw/ppc/spapr.c | 3 +-
> hw/ppc/spapr_irq.c | 20 +++---
> include/hw/ppc/spapr_irq.h | 5 +-
> include/hw/ppc/spapr_xive.h | 2 -
> include/hw/ppc/xics_spapr.h | 2 -
> 7 files changed, 78 insertions(+), 84 deletions(-)
>
> diff --git a/hw/intc/spapr_xive.c b/hw/intc/spapr_xive.c
> index 700ec5c9c1..37ffb74ca5 100644
> --- a/hw/intc/spapr_xive.c
> +++ b/hw/intc/spapr_xive.c
> @@ -578,6 +578,68 @@ static void spapr_xive_print_info(SpaprInterruptController *intc, Monitor *mon)
> spapr_xive_pic_print_info(xive, mon);
> }
>
> +static void spapr_xive_dt(SpaprInterruptController *intc, uint32_t nr_servers,
> + void *fdt, uint32_t phandle)
> +{
> + SpaprXive *xive = SPAPR_XIVE(intc);
> + int node;
> + uint64_t timas[2 * 2];
> + /* Interrupt number ranges for the IPIs */
> + uint32_t lisn_ranges[] = {
> + cpu_to_be32(0),
> + cpu_to_be32(nr_servers),
> + };
> + /*
> + * EQ size - the sizes of pages supported by the system 4K, 64K,
> + * 2M, 16M. We only advertise 64K for the moment.
> + */
> + uint32_t eq_sizes[] = {
> + cpu_to_be32(16), /* 64K */
> + };
> + /*
> + * The following array is in sync with the reserved priorities
> + * defined by the 'spapr_xive_priority_is_reserved' routine.
> + */
> + uint32_t plat_res_int_priorities[] = {
> + cpu_to_be32(7), /* start */
> + cpu_to_be32(0xf8), /* count */
> + };
> +
> + /* Thread Interrupt Management Area : User (ring 3) and OS (ring 2) */
> + timas[0] = cpu_to_be64(xive->tm_base +
> + XIVE_TM_USER_PAGE * (1ull << TM_SHIFT));
> + timas[1] = cpu_to_be64(1ull << TM_SHIFT);
> + timas[2] = cpu_to_be64(xive->tm_base +
> + XIVE_TM_OS_PAGE * (1ull << TM_SHIFT));
> + timas[3] = cpu_to_be64(1ull << TM_SHIFT);
> +
> + _FDT(node = fdt_add_subnode(fdt, 0, xive->nodename));
> +
> + _FDT(fdt_setprop_string(fdt, node, "device_type", "power-ivpe"));
> + _FDT(fdt_setprop(fdt, node, "reg", timas, sizeof(timas)));
> +
> + _FDT(fdt_setprop_string(fdt, node, "compatible", "ibm,power-ivpe"));
> + _FDT(fdt_setprop(fdt, node, "ibm,xive-eq-sizes", eq_sizes,
> + sizeof(eq_sizes)));
> + _FDT(fdt_setprop(fdt, node, "ibm,xive-lisn-ranges", lisn_ranges,
> + sizeof(lisn_ranges)));
> +
> + /* For Linux to link the LSIs to the interrupt controller. */
> + _FDT(fdt_setprop(fdt, node, "interrupt-controller", NULL, 0));
> + _FDT(fdt_setprop_cell(fdt, node, "#interrupt-cells", 2));
> +
> + /* For SLOF */
> + _FDT(fdt_setprop_cell(fdt, node, "linux,phandle", phandle));
> + _FDT(fdt_setprop_cell(fdt, node, "phandle", phandle));
> +
> + /*
> + * The "ibm,plat-res-int-priorities" property defines the priority
> + * ranges reserved by the hypervisor
> + */
> + _FDT(fdt_setprop(fdt, 0, "ibm,plat-res-int-priorities",
> + plat_res_int_priorities, sizeof(plat_res_int_priorities)));
> +}
> +
> static void spapr_xive_class_init(ObjectClass *klass, void *data)
> {
> DeviceClass *dc = DEVICE_CLASS(klass);
> @@ -601,6 +663,7 @@ static void spapr_xive_class_init(ObjectClass *klass, void *data)
> sicc->free_irq = spapr_xive_free_irq;
> sicc->set_irq = spapr_xive_set_irq;
> sicc->print_info = spapr_xive_print_info;
> + sicc->dt = spapr_xive_dt;
> }
>
> static const TypeInfo spapr_xive_info = {
> @@ -1601,65 +1664,3 @@ void spapr_xive_hcall_init(SpaprMachineState *spapr)
> spapr_register_hypercall(H_INT_SYNC, h_int_sync);
> spapr_register_hypercall(H_INT_RESET, h_int_reset);
> }
> -
> -void spapr_dt_xive(SpaprMachineState *spapr, uint32_t nr_servers, void *fdt,
> - uint32_t phandle)
> -{
> - SpaprXive *xive = spapr->xive;
> - int node;
> - uint64_t timas[2 * 2];
> - /* Interrupt number ranges for the IPIs */
> - uint32_t lisn_ranges[] = {
> - cpu_to_be32(0),
> - cpu_to_be32(nr_servers),
> - };
> - /*
> - * EQ size - the sizes of pages supported by the system 4K, 64K,
> - * 2M, 16M. We only advertise 64K for the moment.
> - */
> - uint32_t eq_sizes[] = {
> - cpu_to_be32(16), /* 64K */
> - };
> - /*
> - * The following array is in sync with the reserved priorities
> - * defined by the 'spapr_xive_priority_is_reserved' routine.
> - */
> - uint32_t plat_res_int_priorities[] = {
> - cpu_to_be32(7), /* start */
> - cpu_to_be32(0xf8), /* count */
> - };
> -
> - /* Thread Interrupt Management Area : User (ring 3) and OS (ring 2) */
> - timas[0] = cpu_to_be64(xive->tm_base +
> - XIVE_TM_USER_PAGE * (1ull << TM_SHIFT));
> - timas[1] = cpu_to_be64(1ull << TM_SHIFT);
> - timas[2] = cpu_to_be64(xive->tm_base +
> - XIVE_TM_OS_PAGE * (1ull << TM_SHIFT));
> - timas[3] = cpu_to_be64(1ull << TM_SHIFT);
> -
> - _FDT(node = fdt_add_subnode(fdt, 0, xive->nodename));
> -
> - _FDT(fdt_setprop_string(fdt, node, "device_type", "power-ivpe"));
> - _FDT(fdt_setprop(fdt, node, "reg", timas, sizeof(timas)));
> -
> - _FDT(fdt_setprop_string(fdt, node, "compatible", "ibm,power-ivpe"));
> - _FDT(fdt_setprop(fdt, node, "ibm,xive-eq-sizes", eq_sizes,
> - sizeof(eq_sizes)));
> - _FDT(fdt_setprop(fdt, node, "ibm,xive-lisn-ranges", lisn_ranges,
> - sizeof(lisn_ranges)));
> -
> - /* For Linux to link the LSIs to the interrupt controller. */
> - _FDT(fdt_setprop(fdt, node, "interrupt-controller", NULL, 0));
> - _FDT(fdt_setprop_cell(fdt, node, "#interrupt-cells", 2));
> -
> - /* For SLOF */
> - _FDT(fdt_setprop_cell(fdt, node, "linux,phandle", phandle));
> - _FDT(fdt_setprop_cell(fdt, node, "phandle", phandle));
> -
> - /*
> - * The "ibm,plat-res-int-priorities" property defines the priority
> - * ranges reserved by the hypervisor
> - */
> - _FDT(fdt_setprop(fdt, 0, "ibm,plat-res-int-priorities",
> - plat_res_int_priorities, sizeof(plat_res_int_priorities)));
> -}
> diff --git a/hw/intc/xics_spapr.c b/hw/intc/xics_spapr.c
> index 415defe394..4eabafc7e1 100644
> --- a/hw/intc/xics_spapr.c
> +++ b/hw/intc/xics_spapr.c
> @@ -308,8 +308,8 @@ static void ics_spapr_realize(DeviceState *dev, Error **errp)
> spapr_register_hypercall(H_IPOLL, h_ipoll);
> }
>
> -void spapr_dt_xics(SpaprMachineState *spapr, uint32_t nr_servers, void *fdt,
> - uint32_t phandle)
> +static void xics_spapr_dt(SpaprInterruptController *intc, uint32_t nr_servers,
> + void *fdt, uint32_t phandle)
> {
> uint32_t interrupt_server_ranges_prop[] = {
> 0, cpu_to_be32(nr_servers),
> @@ -408,6 +408,7 @@ static void ics_spapr_class_init(ObjectClass *klass, void *data)
> sicc->free_irq = xics_spapr_free_irq;
> sicc->set_irq = xics_spapr_set_irq;
> sicc->print_info = xics_spapr_print_info;
> + sicc->dt = xics_spapr_dt;
> }
>
> static const TypeInfo ics_spapr_info = {
> diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
> index 7e04746db1..f55d227cd3 100644
> --- a/hw/ppc/spapr.c
> +++ b/hw/ppc/spapr.c
> @@ -1325,8 +1325,7 @@ static void *spapr_build_fdt(SpaprMachineState *spapr)
> _FDT(fdt_setprop_cell(fdt, 0, "#size-cells", 2));
>
> /* /interrupt controller */
> - spapr->irq->dt_populate(spapr, spapr_max_server_number(spapr), fdt,
> - PHANDLE_INTC);
> + spapr_irq_dt(spapr, spapr_max_server_number(spapr), fdt, PHANDLE_INTC);
>
> ret = spapr_populate_memory(spapr, fdt);
> if (ret < 0) {
> diff --git a/hw/ppc/spapr_irq.c b/hw/ppc/spapr_irq.c
> index be20bbf3cf..79cbe8064e 100644
> --- a/hw/ppc/spapr_irq.c
> +++ b/hw/ppc/spapr_irq.c
> @@ -134,7 +134,6 @@ SpaprIrq spapr_irq_xics = {
> .xics = true,
> .xive = false,
>
> - .dt_populate = spapr_dt_xics,
> .post_load = spapr_irq_post_load_xics,
> .reset = spapr_irq_reset_xics,
> .init_kvm = spapr_irq_init_kvm_xics,
> @@ -184,7 +183,6 @@ SpaprIrq spapr_irq_xive = {
> .xics = false,
> .xive = true,
>
> - .dt_populate = spapr_dt_xive,
> .post_load = spapr_irq_post_load_xive,
> .reset = spapr_irq_reset_xive,
> .init_kvm = spapr_irq_init_kvm_xive,
> @@ -209,13 +207,6 @@ static SpaprIrq *spapr_irq_current(SpaprMachineState *spapr)
> &spapr_irq_xive : &spapr_irq_xics;
> }
>
> -static void spapr_irq_dt_populate_dual(SpaprMachineState *spapr,
> - uint32_t nr_servers, void *fdt,
> - uint32_t phandle)
> -{
> - spapr_irq_current(spapr)->dt_populate(spapr, nr_servers, fdt, phandle);
> -}
> -
> static int spapr_irq_post_load_dual(SpaprMachineState *spapr, int version_id)
> {
> /*
> @@ -270,7 +261,6 @@ SpaprIrq spapr_irq_dual = {
> .xics = true,
> .xive = true,
>
> - .dt_populate = spapr_irq_dt_populate_dual,
> .post_load = spapr_irq_post_load_dual,
> .reset = spapr_irq_reset_dual,
> .init_kvm = NULL, /* should not be used */
> @@ -375,6 +365,15 @@ void spapr_irq_print_info(SpaprMachineState *spapr, Monitor *mon)
> sicc->print_info(spapr->active_intc, mon);
> }
>
> +void spapr_irq_dt(SpaprMachineState *spapr, uint32_t nr_servers,
> + void *fdt, uint32_t phandle)
> +{
> + SpaprInterruptControllerClass *sicc
> + = SPAPR_INTC_GET_CLASS(spapr->active_intc);
> +
> + sicc->dt(spapr->active_intc, nr_servers, fdt, phandle);
> +}
> +
> void spapr_irq_init(SpaprMachineState *spapr, Error **errp)
> {
> MachineState *machine = MACHINE(spapr);
> @@ -693,7 +692,6 @@ SpaprIrq spapr_irq_xics_legacy = {
> .xics = true,
> .xive = false,
>
> - .dt_populate = spapr_dt_xics,
> .post_load = spapr_irq_post_load_xics,
> .reset = spapr_irq_reset_xics,
> .init_kvm = spapr_irq_init_kvm_xics,
> diff --git a/include/hw/ppc/spapr_irq.h b/include/hw/ppc/spapr_irq.h
> index 2ade580992..c82724fc2b 100644
> --- a/include/hw/ppc/spapr_irq.h
> +++ b/include/hw/ppc/spapr_irq.h
> @@ -60,6 +60,8 @@ typedef struct SpaprInterruptControllerClass {
> /* These methods should only be called on the active intc */
> void (*set_irq)(SpaprInterruptController *intc, int irq, int val);
> void (*print_info)(SpaprInterruptController *intc, Monitor *mon);
> + void (*dt)(SpaprInterruptController *intc, uint32_t nr_servers,
> + void *fdt, uint32_t phandle);
> } SpaprInterruptControllerClass;
>
> void spapr_irq_update_active_intc(SpaprMachineState *spapr);
> @@ -70,7 +72,6 @@ void spapr_irq_dt(SpaprMachineState *spapr, uint32_t nr_servers,
> 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);
> @@ -82,8 +83,6 @@ typedef struct SpaprIrq {
> bool xics;
> bool xive;
>
> - void (*dt_populate)(SpaprMachineState *spapr, uint32_t nr_servers,
> - void *fdt, uint32_t phandle);
> int (*post_load)(SpaprMachineState *spapr, int version_id);
> void (*reset)(SpaprMachineState *spapr, Error **errp);
> void (*init_kvm)(SpaprMachineState *spapr, Error **errp);
> diff --git a/include/hw/ppc/spapr_xive.h b/include/hw/ppc/spapr_xive.h
> index 8f875673f5..ebe156eb30 100644
> --- a/include/hw/ppc/spapr_xive.h
> +++ b/include/hw/ppc/spapr_xive.h
> @@ -58,8 +58,6 @@ void spapr_xive_pic_print_info(SpaprXive *xive, Monitor *mon);
> int spapr_xive_post_load(SpaprXive *xive, int version_id);
>
> void spapr_xive_hcall_init(SpaprMachineState *spapr);
> -void spapr_dt_xive(SpaprMachineState *spapr, uint32_t nr_servers, void *fdt,
> - uint32_t phandle);
> void spapr_xive_set_tctx_os_cam(XiveTCTX *tctx);
> void spapr_xive_mmio_set_enabled(SpaprXive *xive, bool enable);
> void spapr_xive_map_mmio(SpaprXive *xive);
> diff --git a/include/hw/ppc/xics_spapr.h b/include/hw/ppc/xics_spapr.h
> index 0a32a86e3e..9c9044db65 100644
> --- a/include/hw/ppc/xics_spapr.h
> +++ b/include/hw/ppc/xics_spapr.h
> @@ -33,8 +33,6 @@
> #define ICS_SPAPR(obj) OBJECT_CHECK(ICSState, (obj), TYPE_ICS_SPAPR)
>
> void ics_spapr_create(SpaprMachineState *spapr, int nr_xirqs, Error **errp);
> -void spapr_dt_xics(SpaprMachineState *spapr, uint32_t nr_servers, void *fdt,
> - uint32_t phandle);
> int xics_kvm_connect(SpaprMachineState *spapr, Error **errp);
> void xics_kvm_disconnect(SpaprMachineState *spapr, Error **errp);
> bool xics_kvm_has_broken_disconnect(SpaprMachineState *spapr);
next prev parent reply other threads:[~2019-09-27 16:14 UTC|newest]
Thread overview: 83+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-27 5:49 [PATCH v2 00/33] spapr: IRQ subsystem cleanup David Gibson
2019-09-27 5:49 ` [PATCH v2 01/33] xics: Minor fixes for XICSFabric interface David Gibson
2019-09-27 7:17 ` Greg Kurz
2019-09-27 5:49 ` [PATCH v2 02/33] xics: Eliminate 'reject', 'resend' and 'eoi' class hooks David Gibson
2019-09-27 5:49 ` [PATCH v2 03/33] xics: Rename misleading ics_simple_*() functions David Gibson
2019-09-27 5:49 ` [PATCH v2 04/33] xics: Eliminate reset hook David Gibson
2019-09-27 7:19 ` Greg Kurz
2019-09-27 5:50 ` [PATCH v2 05/33] xics: Merge TYPE_ICS_BASE and TYPE_ICS_SIMPLE classes David Gibson
2019-09-27 5:50 ` [PATCH v2 06/33] xics: Create sPAPR specific ICS subtype David Gibson
2019-09-27 7:22 ` Greg Kurz
2019-09-27 5:50 ` [PATCH v2 07/33] spapr: Fold spapr_phb_lsi_qirq() into its single caller David Gibson
2019-09-27 5:50 ` [PATCH v2 08/33] spapr: Replace spapr_vio_qirq() helper with spapr_vio_irq_pulse() helper David Gibson
2019-09-27 5:50 ` [PATCH v2 09/33] spapr: Clarify and fix handling of nr_irqs David Gibson
2019-09-27 7:53 ` Greg Kurz
2019-09-27 7:58 ` David Gibson
2019-09-27 5:50 ` [PATCH v2 10/33] spapr: Eliminate nr_irqs parameter to SpaprIrq::init David Gibson
2019-09-27 7:57 ` Greg Kurz
2019-09-27 5:50 ` [PATCH v2 11/33] spapr: Fix indexing of XICS irqs David Gibson
2019-09-27 5:50 ` [PATCH v2 12/33] spapr: Simplify spapr_qirq() handling David Gibson
2019-09-27 5:50 ` [PATCH v2 13/33] spapr: Eliminate SpaprIrq:get_nodename method David Gibson
2019-09-27 5:50 ` [PATCH v2 14/33] spapr: Remove unhelpful tracepoints from spapr_irq_free_xics() David Gibson
2019-09-27 5:50 ` [PATCH v2 15/33] spapr: Handle freeing of multiple irqs in frontend only David Gibson
2019-09-27 5:50 ` [PATCH v2 16/33] spapr, xics, xive: Better use of assert()s on irq claim/free paths David Gibson
2019-09-27 5:50 ` [PATCH v2 17/33] xive: Improve irq claim/free path David Gibson
2019-09-27 8:40 ` Greg Kurz
2019-09-30 1:39 ` David Gibson
2019-09-27 5:50 ` [PATCH v2 18/33] spapr: Use less cryptic representation of which irq backends are supported David Gibson
2019-09-27 5:50 ` [PATCH v2 19/33] spapr: Eliminate SpaprIrq::init hook David Gibson
2019-09-27 5:50 ` [PATCH v2 20/33] spapr, xics, xive: Introduce SpaprInterruptController QOM interface David Gibson
2019-09-27 9:52 ` Greg Kurz
2019-09-30 5:24 ` Cédric Le Goater
2019-09-27 5:50 ` [PATCH v2 21/33] spapr, xics, xive: Move cpu_intc_create from SpaprIrq to SpaprInterruptController David Gibson
2019-09-27 10:16 ` Greg Kurz
2019-09-30 1:49 ` David Gibson
2019-09-30 5:28 ` Cédric Le Goater
2019-09-30 6:14 ` David Gibson
2019-09-30 10:13 ` Cédric Le Goater
2019-10-01 2:31 ` David Gibson
2019-10-01 5:43 ` Cédric Le Goater
2019-10-01 6:47 ` David Gibson
2019-10-01 7:41 ` Cédric Le Goater
2019-10-01 8:11 ` David Gibson
2019-10-01 11:43 ` Cédric Le Goater
2019-10-02 1:11 ` David Gibson
2019-09-30 2:37 ` David Gibson
2019-09-30 5:30 ` Cédric Le Goater
2019-09-27 5:50 ` [PATCH v2 22/33] spapr, xics, xive: Move irq claim and free " David Gibson
2019-09-27 12:16 ` Greg Kurz
2019-09-30 2:39 ` David Gibson
2019-09-30 5:36 ` Cédric Le Goater
2019-09-30 5:33 ` Cédric Le Goater
2019-09-27 5:50 ` [PATCH v2 23/33] spapr: Formalize notion of active interrupt controller David Gibson
2019-09-27 14:16 ` Greg Kurz
2019-09-30 5:39 ` Cédric Le Goater
2019-09-27 5:50 ` [PATCH v2 24/33] spapr, xics, xive: Move set_irq from SpaprIrq to SpaprInterruptController David Gibson
2019-09-27 14:27 ` Greg Kurz
2019-09-30 2:41 ` David Gibson
2019-09-30 7:22 ` Greg Kurz
2019-09-30 8:28 ` David Gibson
2019-09-30 5:48 ` Cédric Le Goater
2019-09-27 5:50 ` [PATCH v2 25/33] spapr, xics, xive: Move print_info " David Gibson
2019-09-27 14:31 ` Greg Kurz
2019-09-27 5:50 ` [PATCH v2 26/33] spapr, xics, xive: Move dt_populate " David Gibson
2019-09-27 14:38 ` Greg Kurz [this message]
2019-09-30 5:51 ` Cédric Le Goater
2019-09-27 5:50 ` [PATCH v2 27/33] spapr, xics, xive: Match signatures for XICS and XIVE KVM connect routines David Gibson
2019-09-27 14:49 ` Greg Kurz
2019-09-30 5:52 ` Cédric Le Goater
2019-09-27 5:50 ` [PATCH v2 28/33] spapr: Remove SpaprIrq::init_kvm hook David Gibson
2019-09-27 15:04 ` Greg Kurz
2019-09-30 5:55 ` Cédric Le Goater
2019-09-27 5:50 ` [PATCH v2 29/33] spapr, xics, xive: Move SpaprIrq::reset hook logic into activate/deactivate David Gibson
2019-09-30 6:11 ` Cédric Le Goater
2019-09-30 8:25 ` David Gibson
2019-09-30 19:29 ` Cédric Le Goater
2019-10-01 3:07 ` David Gibson
2019-09-27 5:50 ` [PATCH v2 30/33] spapr, xics, xive: Move SpaprIrq::post_load hook to backends David Gibson
2019-09-27 5:50 ` [PATCH v2 31/33] spapr: Remove SpaprIrq::nr_msis David Gibson
2019-09-27 15:17 ` Greg Kurz
2019-09-27 5:50 ` [PATCH v2 32/33] spapr: Move SpaprIrq::nr_xirqs to SpaprMachineClass David Gibson
2019-09-27 15:22 ` Greg Kurz
2019-09-30 2:44 ` David Gibson
2019-09-27 5:50 ` [PATCH v2 33/33] spapr: Remove last pieces of SpaprIrq David Gibson
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