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Iglesias" , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Alistair Francis , "Frederic Konrad" , Sai Pavan Boddu Subject: [PATCH v5 19/47] hw/arm/xlnx-versal-virt: virtio: refactor creation Date: Fri, 12 Sep 2025 12:00:28 +0200 Message-ID: <20250912100059.103997-20-luc.michel@amd.com> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20250912100059.103997-1-luc.michel@amd.com> References: <20250912100059.103997-1-luc.michel@amd.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DS3PEPF000099E1:EE_|IA0PR12MB7556:EE_ X-MS-Office365-Filtering-Correlation-Id: 4bf08da5-ab55-43ef-d450-08ddf1e38aff X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; ARA:13230040|82310400026|1800799024|36860700013|376014; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?YJi+HnsSwvd7Gdk1WrOJU+JKSsg3BAQmwGHhF//ubWvi+xYKxHRE7G3T9qaR?= =?us-ascii?Q?vMvC5+kq9leks7YIdS3fG/0wrUydq9pIbZKNTgtxtUoumpkqyqHa1MUpgh0y?= =?us-ascii?Q?jMG/fRrd6/OJaaUwmiNdDiuwR36zroAWG2L2ne/0w2VjfGFXhELiueExy6wU?= =?us-ascii?Q?X3QwQWtlk43dzjLyh8Wu4ENpicef2a7Yqkg6dHJjMPP5fPcVP7kL+jTP7RBG?= =?us-ascii?Q?jf5UF6kx9oGsEG1BAFpR9NpNf9mNlh+Tg5XRtguq9ZtlKNcRpp2WvmCByZjB?= =?us-ascii?Q?1sstg2LA/LI8n4PnkswLn5oFdxmfR4li5k9JRUZ8Nuzguoxg4/1L2hBA1o31?= =?us-ascii?Q?XJov1iWcUevW4aKDNYxreI80yl/2n1N35aYgWe8VAP/Jm/h0IEz3QZjQNZZD?= =?us-ascii?Q?DcY9nSYtSBy14f5yK5uLhVwLyOzc5LqfQzguScy0u/IYnecD7aGwFLg4QR5d?= =?us-ascii?Q?cu4kLna+jCyqwDM92VvqLoUvV2vsBiBe5wbuPfGW0ZTxlGFOEp1ctnHC0xf5?= =?us-ascii?Q?b+d9/Yc1ccGiTQRNTGGGVcYZ5ptUeBVXJBZgX8PVqx7b3gdeSCXl4/HKcSA1?= =?us-ascii?Q?YoKQGkxN9WiF9tE9Xa1QnN7V8M0/O888/1NWrRToj6YPpxOJeKhcE3+UFRHR?= =?us-ascii?Q?V580rnv+OoBsmVmGN4RoxaykzhKEBFzg+swGJ79a2k0eJppHtsoQ3tKcgLO6?= =?us-ascii?Q?r9R/8xvimkT+MynoL1cdODbT3ly2kiTNrfAaokXUmTNNVCtjBkn0WI0u6iwu?= =?us-ascii?Q?btXKC1OIexi6NPh5eeqKFf4zGxTLoWGz0/Op5D1MRhmIKUM3bmOK84RIqLU0?= =?us-ascii?Q?jC+z8uB8bhGrAapeMS9g99n53PEGYgTNGAzXZO2VRnflqrUCH+9jX9LG/bby?= =?us-ascii?Q?n233BMnGsxL5F0bSNI6lkA0tGCxIXiE5EhS4o/LsoR+g49S9KILZ/lVMkKN5?= =?us-ascii?Q?eZWXvZmpCl2F7yrqOEAKLzP/nLSnpJnGZWA70qt+BpeqSQb858NmdaRswQyD?= =?us-ascii?Q?A7R5aw9rXAs6fO/rJfw20Qp/BiaynkLz0UhiMh9Ro58fox0EtA4ZYmot5weI?= =?us-ascii?Q?Ls1bOE8f/2EzxdziV0ccmNiPO0f4LrMFIl5/v6i8U30rrJRTXeYUy9CdWvTl?= =?us-ascii?Q?NA0oK8UAJxTMS/m3vHFTSQxmzXYXltScxtxUD4kbTHF+0j33A2ytgwrhOiA/?= =?us-ascii?Q?M/uLsod7JdY77TekvWCmavbbs57ItqolDGeOnnnV9Ggpyq3nmyqCOPK4gFyu?= =?us-ascii?Q?arVVJqIIllxYCtaKPX7g8kJWyNOHHzyy5Y3jIdbNeGHHuPxZSlb8aM4kgI+z?= =?us-ascii?Q?DH05TQOtcWXIv+4zL3KmH2QbeHolY+cM9qF7ntEtYQYcxCvu1rOniFm8nlMu?= =?us-ascii?Q?VEaFAQ0OuPWiAsYNrMPIP/HPQVG40izXS78qbEt8t3wPoHJStOWPGxMre8xR?= =?us-ascii?Q?Yl1YlqXQJJOeNg5cqh20Bvn16H0uxDMtRnBtGs+yIYocUAym3RJm+qIviGau?= =?us-ascii?Q?fS8RGIi9sl6rp2ZvEeD214Kikwhy2Z1rvSq/?= X-Forefront-Antispam-Report: CIP:165.204.84.17; CTRY:US; LANG:en; SCL:1; SRV:; IPV:CAL; SFV:NSPM; H:satlexmb07.amd.com; PTR:InfoDomainNonexistent; CAT:NONE; SFS:(13230040)(82310400026)(1800799024)(36860700013)(376014); DIR:OUT; SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 12 Sep 2025 10:02:54.7576 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 4bf08da5-ab55-43ef-d450-08ddf1e38aff 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=[satlexmb07.amd.com] X-MS-Exchange-CrossTenant-AuthSource: DS3PEPF000099E1.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: IA0PR12MB7556 Received-SPF: permerror client-ip=2a01:111:f403:2405::630; envelope-from=Luc.Michel@amd.com; helo=NAM02-DM3-obe.outbound.protection.outlook.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @amd.com) X-ZM-MESSAGEID: 1757671473815116600 Content-Type: text/plain; charset="utf-8" Refactor the creation of virtio devices. Use the accessors provided by the Versal SoC to retrieve the reserved MMIO and IRQ space. Those are defined in the VersalMap structure. Signed-off-by: Luc Michel Reviewed-by: Francisco Iglesias --- include/hw/arm/xlnx-versal.h | 3 +++ hw/arm/xlnx-versal-virt.c | 31 ++++++++++++------------------- hw/arm/xlnx-versal.c | 26 ++++++++++++++++++++++++++ 3 files changed, 41 insertions(+), 19 deletions(-) diff --git a/include/hw/arm/xlnx-versal.h b/include/hw/arm/xlnx-versal.h index d3ce13e69de..af47acb288f 100644 --- a/include/hw/arm/xlnx-versal.h +++ b/include/hw/arm/xlnx-versal.h @@ -100,10 +100,13 @@ void versal_sdhci_plug_card(Versal *s, int sd_idx, Bl= ockBackend *blk); void versal_efuse_attach_drive(Versal *s, BlockBackend *blk); void versal_bbram_attach_drive(Versal *s, BlockBackend *blk); void versal_ospi_create_flash(Versal *s, int flash_idx, const char *flash_= mdl, BlockBackend *blk); =20 +qemu_irq versal_get_reserved_irq(Versal *s, int idx, int *dtb_idx); +hwaddr versal_get_reserved_mmio_addr(Versal *s); + int versal_get_num_can(VersalVersion version); int versal_get_num_sdhci(VersalVersion version); =20 /* Memory-map and IRQ definitions. Copied a subset from * auto-generated files. */ diff --git a/hw/arm/xlnx-versal-virt.c b/hw/arm/xlnx-versal-virt.c index d96f3433929..b981d012558 100644 --- a/hw/arm/xlnx-versal-virt.c +++ b/hw/arm/xlnx-versal-virt.c @@ -269,41 +269,34 @@ static void create_virtio_regions(VersalVirt *s) { int virtio_mmio_size =3D 0x200; int i; =20 for (i =3D 0; i < NUM_VIRTIO_TRANSPORT; i++) { - char *name =3D g_strdup_printf("virtio%d", i); - hwaddr base =3D MM_TOP_RSVD + i * virtio_mmio_size; - int irq =3D VERSAL_RSVD_IRQ_FIRST + i; + hwaddr base =3D versal_get_reserved_mmio_addr(&s->soc) + + i * virtio_mmio_size; + g_autofree char *node =3D g_strdup_printf("/virtio_mmio@%" PRIx64,= base); + int dtb_irq; MemoryRegion *mr; DeviceState *dev; qemu_irq pic_irq; =20 - pic_irq =3D qdev_get_gpio_in(DEVICE(&s->soc.fpd.apu.gic), irq); + pic_irq =3D versal_get_reserved_irq(&s->soc, i, &dtb_irq); dev =3D qdev_new("virtio-mmio"); - object_property_add_child(OBJECT(&s->soc), name, OBJECT(dev)); + object_property_add_child(OBJECT(s), "virtio-mmio[*]", OBJECT(dev)= ); sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal); sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, pic_irq); mr =3D sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 0); memory_region_add_subregion(&s->soc.mr_ps, base, mr); - g_free(name); - } =20 - for (i =3D 0; i < NUM_VIRTIO_TRANSPORT; i++) { - hwaddr base =3D MM_TOP_RSVD + i * virtio_mmio_size; - int irq =3D VERSAL_RSVD_IRQ_FIRST + i; - char *name =3D g_strdup_printf("/virtio_mmio@%" PRIx64, base); - - qemu_fdt_add_subnode(s->fdt, name); - qemu_fdt_setprop(s->fdt, name, "dma-coherent", NULL, 0); - qemu_fdt_setprop_cells(s->fdt, name, "interrupts", - GIC_FDT_IRQ_TYPE_SPI, irq, + qemu_fdt_add_subnode(s->fdt, node); + qemu_fdt_setprop(s->fdt, node, "dma-coherent", NULL, 0); + qemu_fdt_setprop_cells(s->fdt, node, "interrupts", + GIC_FDT_IRQ_TYPE_SPI, dtb_irq, GIC_FDT_IRQ_FLAGS_EDGE_LO_HI); - qemu_fdt_setprop_sized_cells(s->fdt, name, "reg", + qemu_fdt_setprop_sized_cells(s->fdt, node, "reg", 2, base, 2, virtio_mmio_size); - qemu_fdt_setprop_string(s->fdt, name, "compatible", "virtio,mmio"); - g_free(name); + qemu_fdt_setprop_string(s->fdt, node, "compatible", "virtio,mmio"); } } =20 static void bbram_attach_drive(VersalVirt *s) { diff --git a/hw/arm/xlnx-versal.c b/hw/arm/xlnx-versal.c index e1f93dbb09c..1e4229c7670 100644 --- a/hw/arm/xlnx-versal.c +++ b/hw/arm/xlnx-versal.c @@ -152,10 +152,17 @@ typedef struct VersalMap { uint32_t blktype_frames[7]; } cframe_cfg[15]; } cfu; =20 VersalSimplePeriphMap crl; + + /* reserved MMIO/IRQ space that can safely be used for virtio devices = */ + struct VersalReserved { + uint64_t mmio_start; + int irq_start; + int irq_num; + } reserved; } VersalMap; =20 static const VersalMap VERSAL_MAP =3D { .uart[0] =3D { 0xff000000, 18 }, .uart[1] =3D { 0xff010000, 19 }, @@ -218,10 +225,12 @@ static const VersalMap VERSAL_MAP =3D { { { 38498, 3841, 15361, 13, 7, 3, 1 } }, }, }, =20 .crl =3D { 0xff5e0000, 10 }, + + .reserved =3D { 0xa0000000, 111, 8 }, }; =20 static const VersalMap *VERSION_TO_MAP[] =3D { [VERSAL_VER_VERSAL] =3D &VERSAL_MAP, }; @@ -1424,10 +1433,27 @@ void versal_ospi_create_flash(Versal *s, int flash_= idx, const char *flash_mdl, =20 sysbus_connect_irq(SYS_BUS_DEVICE(ospi), flash_idx + 1, cs_line); } =20 +qemu_irq versal_get_reserved_irq(Versal *s, int idx, int *dtb_idx) +{ + const VersalMap *map =3D versal_get_map(s); + + g_assert(idx < map->reserved.irq_num); + + *dtb_idx =3D map->reserved.irq_start + idx; + return versal_get_irq(s, *dtb_idx); +} + +hwaddr versal_get_reserved_mmio_addr(Versal *s) +{ + const VersalMap *map =3D versal_get_map(s); + + return map->reserved.mmio_start; +} + int versal_get_num_can(VersalVersion version) { const VersalMap *map =3D VERSION_TO_MAP[version]; =20 return map->num_canfd; --=20 2.50.1