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GET /api/patches/1523752/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 1523752,
    "url": "http://patchwork.ozlabs.org/api/patches/1523752/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20210902130928.528803-9-clg@kaod.org/",
    "project": {
        "id": 14,
        "url": "http://patchwork.ozlabs.org/api/projects/14/?format=api",
        "name": "QEMU Development",
        "link_name": "qemu-devel",
        "list_id": "qemu-devel.nongnu.org",
        "list_email": "qemu-devel@nongnu.org",
        "web_url": "",
        "scm_url": "",
        "webscm_url": "",
        "list_archive_url": "",
        "list_archive_url_format": "",
        "commit_url_format": ""
    },
    "msgid": "<20210902130928.528803-9-clg@kaod.org>",
    "list_archive_url": null,
    "date": "2021-09-02T13:09:16",
    "name": "[v2,08/20] ppc/pnv: Add model for POWER10 PHB5 PCIe Host bridge",
    "commit_ref": null,
    "pull_url": null,
    "state": "new",
    "archived": false,
    "hash": "5b3b5ce866eeb95e081b7300403cd7ae67da9898",
    "submitter": {
        "id": 68548,
        "url": "http://patchwork.ozlabs.org/api/people/68548/?format=api",
        "name": "Cédric Le Goater",
        "email": "clg@kaod.org"
    },
    "delegate": null,
    "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20210902130928.528803-9-clg@kaod.org/mbox/",
    "series": [
        {
            "id": 260743,
            "url": "http://patchwork.ozlabs.org/api/series/260743/?format=api",
            "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=260743",
            "date": "2021-09-02T13:09:11",
            "name": "ppc/pnv: Extend the powernv10 machine",
            "version": 2,
            "mbox": "http://patchwork.ozlabs.org/series/260743/mbox/"
        }
    ],
    "comments": "http://patchwork.ozlabs.org/api/patches/1523752/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/1523752/checks/",
    "tags": {},
    "related": [],
    "headers": {
        "Return-Path": "<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>",
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        ],
        "X-OVh-ClientIp": "82.64.250.170",
        "From": "=?utf-8?q?C=C3=A9dric_Le_Goater?= <clg@kaod.org>",
        "To": "David Gibson <david@gibson.dropbear.id.au>, Greg Kurz <groug@kaod.org>",
        "Subject": "[PATCH v2 08/20] ppc/pnv: Add model for POWER10 PHB5 PCIe Host bridge",
        "Date": "Thu, 2 Sep 2021 15:09:16 +0200",
        "Message-ID": "<20210902130928.528803-9-clg@kaod.org>",
        "X-Mailer": "git-send-email 2.31.1",
        "In-Reply-To": "<20210902130928.528803-1-clg@kaod.org>",
        "References": "<20210902130928.528803-1-clg@kaod.org>",
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        "Cc": "qemu-ppc@nongnu.org, qemu-devel@nongnu.org, =?utf-8?q?C=C3=A9dric_Le_Goa?=\n\t=?utf-8?q?ter?= <clg@kaod.org>",
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    },
    "content": "PHB4 and PHB5 are very similar. Use the PHB4 models with some minor\nadjustements in a subclass for P10.\n\nSigned-off-by: Cédric Le Goater <clg@kaod.org>\n---\n include/hw/pci-host/pnv_phb4.h | 11 ++++\n include/hw/ppc/pnv.h           |  3 ++\n include/hw/ppc/pnv_xscom.h     |  6 +++\n hw/pci-host/pnv_phb4_pec.c     | 44 ++++++++++++++++\n hw/ppc/pnv.c                   | 94 ++++++++++++++++++++++++++++++++++\n 5 files changed, 158 insertions(+)",
    "diff": "diff --git a/include/hw/pci-host/pnv_phb4.h b/include/hw/pci-host/pnv_phb4.h\nindex 27556ae53425..78ae74349299 100644\n--- a/include/hw/pci-host/pnv_phb4.h\n+++ b/include/hw/pci-host/pnv_phb4.h\n@@ -221,4 +221,15 @@ struct PnvPhb4PecClass {\n     int stk_compat_size;\n };\n \n+/*\n+ * POWER10 definitions\n+ */\n+\n+#define PNV_PHB5_VERSION           0x000000a500000001ull\n+#define PNV_PHB5_DEVICE_ID         0x0652\n+\n+#define TYPE_PNV_PHB5_PEC \"pnv-phb5-pec\"\n+#define PNV_PHB5_PEC(obj) \\\n+    OBJECT_CHECK(PnvPhb4PecState, (obj), TYPE_PNV_PHB5_PEC)\n+\n #endif /* PCI_HOST_PNV_PHB4_H */\ndiff --git a/include/hw/ppc/pnv.h b/include/hw/ppc/pnv.h\nindex 13495423283a..f44b9947d00e 100644\n--- a/include/hw/ppc/pnv.h\n+++ b/include/hw/ppc/pnv.h\n@@ -131,6 +131,9 @@ struct Pnv10Chip {\n \n     uint32_t     nr_quads;\n     PnvQuad      *quads;\n+\n+#define PNV10_CHIP_MAX_PEC 2\n+    PnvPhb4PecState pecs[PNV10_CHIP_MAX_PEC];\n };\n \n #define PNV10_PIR2FUSEDCORE(pir) (((pir) >> 3) & 0xf)\ndiff --git a/include/hw/ppc/pnv_xscom.h b/include/hw/ppc/pnv_xscom.h\nindex 151df15378d1..75db33d46af6 100644\n--- a/include/hw/ppc/pnv_xscom.h\n+++ b/include/hw/ppc/pnv_xscom.h\n@@ -137,6 +137,12 @@ struct PnvXScomInterfaceClass {\n #define PNV10_XSCOM_XIVE2_BASE     0x2010800\n #define PNV10_XSCOM_XIVE2_SIZE     0x400\n \n+#define PNV10_XSCOM_PEC_NEST_BASE  0x3011800 /* index goes downwards ... */\n+#define PNV10_XSCOM_PEC_NEST_SIZE  0x100\n+\n+#define PNV10_XSCOM_PEC_PCI_BASE   0x8010800 /* index goes upwards ... */\n+#define PNV10_XSCOM_PEC_PCI_SIZE   0x200\n+\n void pnv_xscom_realize(PnvChip *chip, uint64_t size, Error **errp);\n int pnv_dt_xscom(PnvChip *chip, void *fdt, int root_offset,\n                  uint64_t xscom_base, uint64_t xscom_size,\ndiff --git a/hw/pci-host/pnv_phb4_pec.c b/hw/pci-host/pnv_phb4_pec.c\nindex 741ddc90ed8d..ab13311ef4c7 100644\n--- a/hw/pci-host/pnv_phb4_pec.c\n+++ b/hw/pci-host/pnv_phb4_pec.c\n@@ -584,9 +584,53 @@ static const TypeInfo pnv_pec_stk_type_info = {\n     }\n };\n \n+/*\n+ * POWER10 definitions\n+ */\n+\n+static uint32_t pnv_phb5_pec_xscom_pci_base(PnvPhb4PecState *pec)\n+{\n+    return PNV10_XSCOM_PEC_PCI_BASE + 0x1000000 * pec->index;\n+}\n+\n+static uint32_t pnv_phb5_pec_xscom_nest_base(PnvPhb4PecState *pec)\n+{\n+    /* index goes down ... */\n+    return PNV10_XSCOM_PEC_NEST_BASE - 0x1000000 * pec->index;\n+}\n+\n+static void pnv_phb5_pec_class_init(ObjectClass *klass, void *data)\n+{\n+    PnvPhb4PecClass *pecc = PNV_PHB4_PEC_CLASS(klass);\n+    static const char compat[] = \"ibm,power10-pbcq\";\n+    static const char stk_compat[] = \"ibm,power10-phb-stack\";\n+\n+    pecc->xscom_nest_base = pnv_phb5_pec_xscom_nest_base;\n+    pecc->xscom_pci_base  = pnv_phb5_pec_xscom_pci_base;\n+    pecc->xscom_nest_size = PNV10_XSCOM_PEC_NEST_SIZE;\n+    pecc->xscom_pci_size  = PNV10_XSCOM_PEC_PCI_SIZE;\n+    pecc->compat = compat;\n+    pecc->compat_size = sizeof(compat);\n+    pecc->stk_compat = stk_compat;\n+    pecc->stk_compat_size = sizeof(stk_compat);\n+}\n+\n+static const TypeInfo pnv_phb5_pec_type_info = {\n+    .name          = TYPE_PNV_PHB5_PEC,\n+    .parent        = TYPE_PNV_PHB4_PEC,\n+    .instance_size = sizeof(PnvPhb4PecState),\n+    .class_init    = pnv_phb5_pec_class_init,\n+    .class_size    = sizeof(PnvPhb4PecClass),\n+    .interfaces    = (InterfaceInfo[]) {\n+        { TYPE_PNV_XSCOM_INTERFACE },\n+        { }\n+    }\n+};\n+\n static void pnv_pec_register_types(void)\n {\n     type_register_static(&pnv_pec_type_info);\n+    type_register_static(&pnv_phb5_pec_type_info);\n     type_register_static(&pnv_pec_stk_type_info);\n }\n \ndiff --git a/hw/ppc/pnv.c b/hw/ppc/pnv.c\nindex 5c342e313329..0de3027b7122 100644\n--- a/hw/ppc/pnv.c\n+++ b/hw/ppc/pnv.c\n@@ -706,9 +706,17 @@ static void pnv_ipmi_bt_init(ISABus *bus, IPMIBmc *bmc, uint32_t irq)\n static void pnv_chip_power10_pic_print_info(PnvChip *chip, Monitor *mon)\n {\n     Pnv10Chip *chip10 = PNV10_CHIP(chip);\n+    int i, j;\n \n     pnv_xive2_pic_print_info(&chip10->xive, mon);\n     pnv_psi_pic_print_info(&chip10->psi, mon);\n+\n+    for (i = 0; i < PNV10_CHIP_MAX_PEC; i++) {\n+        PnvPhb4PecState *pec = &chip10->pecs[i];\n+        for (j = 0; j < pec->num_stacks; j++) {\n+            pnv_phb4_pic_print_info(&pec->stacks[j].phb, mon);\n+        }\n+    }\n }\n \n /* Always give the first 1GB to chip 0 else we won't boot */\n@@ -1602,7 +1610,10 @@ static void pnv_chip_power9_class_init(ObjectClass *klass, void *data)\n \n static void pnv_chip_power10_instance_init(Object *obj)\n {\n+    PnvChip *chip = PNV_CHIP(obj);\n     Pnv10Chip *chip10 = PNV10_CHIP(obj);\n+    PnvChipClass *pcc = PNV_CHIP_GET_CLASS(obj);\n+    int i;\n \n     object_initialize_child(obj, \"xive\", &chip10->xive, TYPE_PNV_XIVE2);\n     object_property_add_alias(obj, \"xive-fabric\", OBJECT(&chip10->xive),\n@@ -1610,6 +1621,16 @@ static void pnv_chip_power10_instance_init(Object *obj)\n     object_initialize_child(obj, \"psi\", &chip10->psi, TYPE_PNV10_PSI);\n     object_initialize_child(obj, \"lpc\", &chip10->lpc, TYPE_PNV10_LPC);\n     object_initialize_child(obj, \"occ\",  &chip10->occ, TYPE_PNV10_OCC);\n+\n+    for (i = 0; i < PNV10_CHIP_MAX_PEC; i++) {\n+        object_initialize_child(obj, \"pec[*]\", &chip10->pecs[i],\n+                                TYPE_PNV_PHB5_PEC);\n+    }\n+\n+    /*\n+     * Number of PHBs is the chip default\n+     */\n+    chip->num_phbs = pcc->num_phbs;\n }\n \n static void pnv_chip_power10_quad_realize(Pnv10Chip *chip10, Error **errp)\n@@ -1630,6 +1651,71 @@ static void pnv_chip_power10_quad_realize(Pnv10Chip *chip10, Error **errp)\n     }\n }\n \n+static void pnv_chip_power10_phb_realize(PnvChip *chip, Error **errp)\n+{\n+    Pnv10Chip *chip10 = PNV10_CHIP(chip);\n+    int i, j;\n+    int phb_id = 0;\n+\n+    for (i = 0; i < PNV10_CHIP_MAX_PEC; i++) {\n+        PnvPhb4PecState *pec = &chip10->pecs[i];\n+        PnvPhb4PecClass *pecc = PNV_PHB4_PEC_GET_CLASS(pec);\n+        uint32_t pec_nest_base;\n+        uint32_t pec_pci_base;\n+\n+        object_property_set_int(OBJECT(pec), \"index\", i, &error_fatal);\n+        /*\n+         * PEC0 -> 3 stacks\n+         * PEC1 -> 3 stacks\n+         */\n+        object_property_set_int(OBJECT(pec), \"num-stacks\", 3,\n+                                &error_fatal);\n+        object_property_set_int(OBJECT(pec), \"chip-id\", chip->chip_id,\n+                                &error_fatal);\n+        object_property_set_link(OBJECT(pec), \"system-memory\",\n+                                 OBJECT(get_system_memory()), &error_abort);\n+        if (!qdev_realize(DEVICE(pec), NULL, errp)) {\n+            return;\n+        }\n+\n+        pec_nest_base = pecc->xscom_nest_base(pec);\n+        pec_pci_base = pecc->xscom_pci_base(pec);\n+\n+        pnv_xscom_add_subregion(chip, pec_nest_base, &pec->nest_regs_mr);\n+        pnv_xscom_add_subregion(chip, pec_pci_base, &pec->pci_regs_mr);\n+\n+        for (j = 0; j < pec->num_stacks && phb_id < chip->num_phbs;\n+             j++, phb_id++) {\n+            PnvPhb4PecStack *stack = &pec->stacks[j];\n+            Object *obj = OBJECT(&stack->phb);\n+\n+            object_property_set_int(obj, \"index\", phb_id, &error_fatal);\n+            object_property_set_int(obj, \"chip-id\", chip->chip_id,\n+                                    &error_fatal);\n+            object_property_set_int(obj, \"version\", PNV_PHB5_VERSION,\n+                                    &error_fatal);\n+            object_property_set_int(obj,  \"device-id\", PNV_PHB5_DEVICE_ID,\n+                                    &error_fatal);\n+            object_property_set_link(obj, \"stack\", OBJECT(stack), &error_abort);\n+            if (!sysbus_realize(SYS_BUS_DEVICE(obj), errp)) {\n+                return;\n+            }\n+\n+            /* Populate the XSCOM address space. */\n+            pnv_xscom_add_subregion(chip,\n+                                   pec_nest_base + 0x40 * (stack->stack_no + 1),\n+                                   &stack->nest_regs_mr);\n+            pnv_xscom_add_subregion(chip,\n+                                    pec_pci_base + 0x40 * (stack->stack_no + 1),\n+                                    &stack->pci_regs_mr);\n+            pnv_xscom_add_subregion(chip,\n+                                    pec_pci_base + PNV9_XSCOM_PEC_PCI_STK0 +\n+                                    0x40 * stack->stack_no,\n+                                    &stack->phb_regs_mr);\n+        }\n+    }\n+}\n+\n static void pnv_chip_power10_realize(DeviceState *dev, Error **errp)\n {\n     PnvChipClass *pcc = PNV_CHIP_GET_CLASS(dev);\n@@ -1708,6 +1794,13 @@ static void pnv_chip_power10_realize(DeviceState *dev, Error **errp)\n     }\n     pnv_xscom_add_subregion(chip, PNV10_XSCOM_OCC_BASE,\n                             &chip10->occ.xscom_regs);\n+\n+    /* PHBs */\n+    pnv_chip_power10_phb_realize(chip, &local_err);\n+    if (local_err) {\n+        error_propagate(errp, local_err);\n+        return;\n+    }\n }\n \n static uint32_t pnv_chip_power10_xscom_pcba(PnvChip *chip, uint64_t addr)\n@@ -1734,6 +1827,7 @@ static void pnv_chip_power10_class_init(ObjectClass *klass, void *data)\n     k->xscom_core_base = pnv_chip_power10_xscom_core_base;\n     k->xscom_pcba = pnv_chip_power10_xscom_pcba;\n     dc->desc = \"PowerNV Chip POWER10\";\n+    k->num_phbs = 6;\n \n     device_class_set_parent_realize(dc, pnv_chip_power10_realize,\n                                     &k->parent_realize);\n",
    "prefixes": [
        "v2",
        "08/20"
    ]
}