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client-ip=40.67.248.234; helo=nebula.arm.com; From: Penny Zheng To: , , CC: , , Subject: [PATCH 04/11] xen/arm: introduce accessors for vgic dist, cpu, and rdist base addresses Date: Thu, 23 Sep 2021 03:11:08 +0000 Message-ID: <20210923031115.1429719-5-penny.zheng@arm.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210923031115.1429719-1-penny.zheng@arm.com> References: <20210923031115.1429719-1-penny.zheng@arm.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-EOPAttributedMessage: 1 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 8a3d896b-0906-4419-ddd4-08d97e3fe0fb X-MS-TrafficTypeDiagnostic: AM6PR08MB3221:|AM5PR0801MB1650: X-Microsoft-Antispam-PRVS: x-checkrecipientrouted: true NoDisclaimer: true X-MS-Oob-TLC-OOBClassifiers: OLM:163;OLM:163; X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam-Untrusted: BCL:0; X-Microsoft-Antispam-Message-Info-Original: 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 X-Forefront-Antispam-Report-Untrusted: CIP:40.67.248.234;CTRY:IE;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:nebula.arm.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(4636009)(46966006)(36840700001)(83380400001)(44832011)(26005)(2906002)(5660300002)(2616005)(81166007)(4326008)(336012)(8676002)(70206006)(70586007)(36756003)(110136005)(54906003)(356005)(508600001)(7696005)(1076003)(186003)(8936002)(82310400003)(36860700001)(426003)(47076005)(6666004)(316002)(86362001)(36900700001);DIR:OUT;SFP:1101; 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X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 23 Sep 2021 03:11:47.1228 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 8a3d896b-0906-4419-ddd4-08d97e3fe0fb X-MS-Exchange-CrossTenant-Id: f34e5979-57d9-4aaa-ad4d-b122a662184d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=f34e5979-57d9-4aaa-ad4d-b122a662184d;Ip=[63.35.35.123];Helo=[64aa7808-outbound-1.mta.getcheckrecipient.com] X-MS-Exchange-CrossTenant-AuthSource: VE1EUR03FT050.eop-EUR03.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM5PR0801MB1650 X-ZohoMail-DKIM: pass (identity @armh.onmicrosoft.com) X-ZM-MESSAGEID: 1632366747645100001 Content-Type: text/plain; charset="utf-8" From: Stefano Stabellini Introduce accessors for vgic dist, cpu, and rdist base addresses, on all gic types. Use the accessors when making gic node for device tree of domU. Signed-off-by: Stefano Stabellini Signed-off-by: Penny Zheng --- xen/arch/arm/domain_build.c | 21 ++++++++++++----- xen/include/asm-arm/new_vgic.h | 24 ++++++++++++++++++++ xen/include/asm-arm/vgic.h | 41 ++++++++++++++++++++++++++++++++++ 3 files changed, 80 insertions(+), 6 deletions(-) diff --git a/xen/arch/arm/domain_build.c b/xen/arch/arm/domain_build.c index 213ad017dc..d5f201f73e 100644 --- a/xen/arch/arm/domain_build.c +++ b/xen/arch/arm/domain_build.c @@ -1802,8 +1802,12 @@ static int __init make_gicv2_domU_node(struct kernel= _info *kinfo) int res =3D 0; __be32 reg[(GUEST_ROOT_ADDRESS_CELLS + GUEST_ROOT_SIZE_CELLS) * 2]; __be32 *cells; + struct domain *d =3D kinfo->d; + char buf[38]; =20 - res =3D fdt_begin_node(fdt, "interrupt-controller@"__stringify(GUEST_G= ICD_BASE)); + snprintf(buf, sizeof(buf), "interrupt-controller@%"PRIx64, + vgic_dist_base(&d->arch.vgic)); + res =3D fdt_begin_node(fdt, buf); if ( res ) return res; =20 @@ -1825,9 +1829,9 @@ static int __init make_gicv2_domU_node(struct kernel_= info *kinfo) =20 cells =3D ®[0]; dt_child_set_range(&cells, GUEST_ROOT_ADDRESS_CELLS, GUEST_ROOT_SIZE_C= ELLS, - GUEST_GICD_BASE, GUEST_GICD_SIZE); + vgic_dist_base(&d->arch.vgic), GUEST_GICD_SIZE); dt_child_set_range(&cells, GUEST_ROOT_ADDRESS_CELLS, GUEST_ROOT_SIZE_C= ELLS, - GUEST_GICC_BASE, GUEST_GICC_SIZE); + vgic_cpu_base(&d->arch.vgic), GUEST_GICC_SIZE); =20 res =3D fdt_property(fdt, "reg", reg, sizeof(reg)); if (res) @@ -1852,8 +1856,12 @@ static int __init make_gicv3_domU_node(struct kernel= _info *kinfo) int res =3D 0; __be32 reg[(GUEST_ROOT_ADDRESS_CELLS + GUEST_ROOT_SIZE_CELLS) * 2]; __be32 *cells; + struct domain *d =3D kinfo->d; + char buf[38]; =20 - res =3D fdt_begin_node(fdt, "interrupt-controller@"__stringify(GUEST_G= ICV3_GICD_BASE)); + snprintf(buf, sizeof(buf), "interrupt-controller@%"PRIx64, + vgic_dist_base(&d->arch.vgic)); + res =3D fdt_begin_node(fdt, buf); if ( res ) return res; =20 @@ -1875,9 +1883,10 @@ static int __init make_gicv3_domU_node(struct kernel= _info *kinfo) =20 cells =3D ®[0]; dt_child_set_range(&cells, GUEST_ROOT_ADDRESS_CELLS, GUEST_ROOT_SIZE_C= ELLS, - GUEST_GICV3_GICD_BASE, GUEST_GICV3_GICD_SIZE); + vgic_dist_base(&d->arch.vgic), GUEST_GICV3_GICD_SIZ= E); dt_child_set_range(&cells, GUEST_ROOT_ADDRESS_CELLS, GUEST_ROOT_SIZE_C= ELLS, - GUEST_GICV3_GICR0_BASE, GUEST_GICV3_GICR0_SIZE); + vgic_rdist_base(&d->arch.vgic, 0), + vgic_rdist_size(&d->arch.vgic, 0)); =20 res =3D fdt_property(fdt, "reg", reg, sizeof(reg)); if (res) diff --git a/xen/include/asm-arm/new_vgic.h b/xen/include/asm-arm/new_vgic.h index 97d622bff6..9097522b27 100644 --- a/xen/include/asm-arm/new_vgic.h +++ b/xen/include/asm-arm/new_vgic.h @@ -186,6 +186,30 @@ struct vgic_cpu { uint32_t num_id_bits; }; =20 +static inline paddr_t vgic_cpu_base(struct vgic_dist *vgic) +{ + return GUEST_GICC_BASE; +} + +static inline paddr_t vgic_dist_base(struct vgic_dist *vgic) +{ + return GUEST_GICD_BASE; +} + +static inline unsigned int vgic_rdist_nr(struct vgic_dist *vgic) +{ + return 0; +} + +static inline paddr_t vgic_rdist_base(struct vgic_dist *vgic, unsigned int= i) +{ + return INVALID_PADDR; +} + +static inline paddr_t vgic_rdist_size(struct vgic_dist *vgic, unsigned int= i) +{ + return 0; +} #endif /* __ASM_ARM_NEW_VGIC_H */ =20 /* diff --git a/xen/include/asm-arm/vgic.h b/xen/include/asm-arm/vgic.h index 62c2ae538d..e1bc5113da 100644 --- a/xen/include/asm-arm/vgic.h +++ b/xen/include/asm-arm/vgic.h @@ -277,6 +277,47 @@ enum gic_sgi_mode; */ #define REG_RANK_INDEX(b, n, s) ((((n) >> s) & ((b)-1)) % 32) =20 +static inline paddr_t vgic_cpu_base(struct vgic_dist *vgic) +{ + return GUEST_GICC_BASE; +} + +static inline paddr_t vgic_dist_base(struct vgic_dist *vgic) +{ + return GUEST_GICD_BASE; +} + +#ifdef CONFIG_GICV3 +static inline unsigned int vgic_rdist_nr(struct vgic_dist *vgic) +{ + return GUEST_GICV3_RDIST_REGIONS; +} + +static inline paddr_t vgic_rdist_base(struct vgic_dist *vgic, unsigned int= i) +{ + return GUEST_GICV3_GICR0_BASE; +} + +static inline paddr_t vgic_rdist_size(struct vgic_dist *vgic, unsigned int= i) +{ + return GUEST_GICV3_GICR0_SIZE; +} +#else +static inline unsigned int vgic_rdist_nr(struct vgic_dist *vgic) +{ + return 0; +} + +static inline paddr_t vgic_rdist_base(struct vgic_dist *vgic, unsigned int= i) +{ + return INVALID_PADDR; +} + +static inline paddr_t vgic_rdist_size(struct vgic_dist *vgic, unsigned int= i) +{ + return INVALID_PADDR; +} +#endif =20 extern struct vcpu *vgic_get_target_vcpu(struct vcpu *v, unsigned int virq= ); extern void vgic_remove_irq_from_queues(struct vcpu *v, struct pending_irq= *p); --=20 2.25.1