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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 31 Mar 2025 21:43:30.1099 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: e227e2b6-b178-452f-8ae4-08dd709d13e8 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: SJ1PEPF00002314.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH3PR12MB7618 X-ZohoMail-DKIM: pass (identity @amd.com) X-ZM-MESSAGEID: 1743457435275019100 Content-Type: text/plain; charset="utf-8" When creating a hardware domain, have the dom0less code call construct_hwdom() which is shared with the dom0 code. The hardware domain requires building that best matches the dom0 build path. Re-use it to keep them in sync. The device tree node of the dom0less config is now passed into construct_hwdom(). dom0 uses /chosen for process_shm while a hwdom will use the value from its dom0less device tree node. Signed-off-by: Jason Andryuk --- xen/arch/arm/dom0less-build.c | 57 ++++++++++++++----------- xen/arch/arm/domain_build.c | 10 +++-- xen/arch/arm/include/asm/domain_build.h | 3 +- 3 files changed, 42 insertions(+), 28 deletions(-) diff --git a/xen/arch/arm/dom0less-build.c b/xen/arch/arm/dom0less-build.c index 573b0d25ae..e25d7bd468 100644 --- a/xen/arch/arm/dom0less-build.c +++ b/xen/arch/arm/dom0less-build.c @@ -911,36 +911,45 @@ static int __init construct_domU(struct domain *d, /* type must be set before allocate memory */ d->arch.type =3D kinfo.type; #endif - if ( !dt_find_property(node, "xen,static-mem", NULL) ) - allocate_memory(d, &kinfo); - else if ( !is_domain_direct_mapped(d) ) - allocate_static_memory(d, &kinfo, node); - else - assign_static_memory_11(d, &kinfo, node); - - rc =3D process_shm(d, &kinfo, node); - if ( rc < 0 ) - return rc; - - /* - * Base address and irq number are needed when creating vpl011 device - * tree node in prepare_dtb_domU, so initialization on related variabl= es - * shall be done first. - */ - if ( kinfo.vpl011 ) + if ( is_hardware_domain(d) ) { - rc =3D domain_vpl011_init(d, NULL); + rc =3D construct_hwdom(&kinfo, node); if ( rc < 0 ) return rc; } + else + { + if ( !dt_find_property(node, "xen,static-mem", NULL) ) + allocate_memory(d, &kinfo); + else if ( !is_domain_direct_mapped(d) ) + allocate_static_memory(d, &kinfo, node); + else + assign_static_memory_11(d, &kinfo, node); =20 - rc =3D prepare_dtb_domU(d, &kinfo); - if ( rc < 0 ) - return rc; + rc =3D process_shm(d, &kinfo, node); + if ( rc < 0 ) + return rc; =20 - rc =3D construct_domain(d, &kinfo); - if ( rc < 0 ) - return rc; + /* + * Base address and irq number are needed when creating vpl011 dev= ice + * tree node in prepare_dtb_domU, so initialization on related var= iables + * shall be done first. + */ + if ( kinfo.vpl011 ) + { + rc =3D domain_vpl011_init(d, NULL); + if ( rc < 0 ) + return rc; + } + + rc =3D prepare_dtb_domU(d, &kinfo); + if ( rc < 0 ) + return rc; + + rc =3D construct_domain(d, &kinfo); + if ( rc < 0 ) + return rc; + } =20 domain_vcpu_affinity(d, node); =20 diff --git a/xen/arch/arm/domain_build.c b/xen/arch/arm/domain_build.c index 051c48329a..b3a396c2fc 100644 --- a/xen/arch/arm/domain_build.c +++ b/xen/arch/arm/domain_build.c @@ -2305,10 +2305,11 @@ static int __init construct_dom0(struct domain *d) if ( rc < 0 ) return rc; =20 - return construct_hwdom(&kinfo); + return construct_hwdom(&kinfo, NULL); } =20 -int __init construct_hwdom(struct kernel_info *kinfo) +int __init construct_hwdom(struct kernel_info *kinfo, + const struct dt_device_node *node) { struct domain *d =3D kinfo->d; int rc; @@ -2325,7 +2326,10 @@ int __init construct_hwdom(struct kernel_info *kinfo) else allocate_memory(d, kinfo); =20 - rc =3D process_shm_chosen(d, kinfo); + if ( node ) + rc =3D process_shm(d, kinfo, node); + else + rc =3D process_shm_chosen(d, kinfo); if ( rc < 0 ) return rc; =20 diff --git a/xen/arch/arm/include/asm/domain_build.h b/xen/arch/arm/include= /asm/domain_build.h index 134290853c..17619c875d 100644 --- a/xen/arch/arm/include/asm/domain_build.h +++ b/xen/arch/arm/include/asm/domain_build.h @@ -13,7 +13,8 @@ bool allocate_bank_memory(struct kernel_info *kinfo, gfn_= t sgfn, paddr_t tot_size); void allocate_memory(struct domain *d, struct kernel_info *kinfo); int construct_domain(struct domain *d, struct kernel_info *kinfo); -int construct_hwdom(struct kernel_info *kinfo); +int construct_hwdom(struct kernel_info *kinfo, + const struct dt_device_node *node); int domain_fdt_begin_node(void *fdt, const char *name, uint64_t unit); int make_chosen_node(const struct kernel_info *kinfo); int make_cpus_node(const struct domain *d, void *fdt); --=20 2.49.0