diff options
-rw-r--r-- | hw/intc/xive.c | 22 | ||||
-rw-r--r-- | hw/ppc/pnv.c | 2 | ||||
-rw-r--r-- | hw/ppc/spapr.c | 25 | ||||
-rw-r--r-- | hw/ppc/spapr_drc.c | 13 | ||||
-rw-r--r-- | hw/ppc/spapr_pci.c | 497 | ||||
-rw-r--r-- | include/hw/pci-host/spapr.h | 4 | ||||
-rw-r--r-- | include/hw/ppc/spapr_drc.h | 3 | ||||
-rw-r--r-- | include/hw/ppc/xive.h | 3 | ||||
-rw-r--r-- | target/ppc/translate/vsx-impl.inc.c | 37 |
9 files changed, 368 insertions, 238 deletions
diff --git a/hw/intc/xive.c b/hw/intc/xive.c index b7e0829795..6250c0414d 100644 --- a/hw/intc/xive.c +++ b/hw/intc/xive.c @@ -62,13 +62,28 @@ static uint8_t exception_mask(uint8_t ring) } } +static qemu_irq xive_tctx_output(XiveTCTX *tctx, uint8_t ring) +{ + switch (ring) { + case TM_QW0_USER: + return 0; /* Not supported */ + case TM_QW1_OS: + return tctx->os_output; + case TM_QW2_HV_POOL: + case TM_QW3_HV_PHYS: + return tctx->hv_output; + default: + return 0; + } +} + static uint64_t xive_tctx_accept(XiveTCTX *tctx, uint8_t ring) { uint8_t *regs = &tctx->regs[ring]; uint8_t nsr = regs[TM_NSR]; uint8_t mask = exception_mask(ring); - qemu_irq_lower(tctx->output); + qemu_irq_lower(xive_tctx_output(tctx, ring)); if (regs[TM_NSR] & mask) { uint8_t cppr = regs[TM_PIPR]; @@ -101,7 +116,7 @@ static void xive_tctx_notify(XiveTCTX *tctx, uint8_t ring) default: g_assert_not_reached(); } - qemu_irq_raise(tctx->output); + qemu_irq_raise(xive_tctx_output(tctx, ring)); } } @@ -557,7 +572,8 @@ static void xive_tctx_realize(DeviceState *dev, Error **errp) env = &cpu->env; switch (PPC_INPUT(env)) { case PPC_FLAGS_INPUT_POWER9: - tctx->output = env->irq_inputs[POWER9_INPUT_INT]; + tctx->hv_output = env->irq_inputs[POWER9_INPUT_HINT]; + tctx->os_output = env->irq_inputs[POWER9_INPUT_INT]; break; default: diff --git a/hw/ppc/pnv.c b/hw/ppc/pnv.c index 3ae09b3db9..9db43916ac 100644 --- a/hw/ppc/pnv.c +++ b/hw/ppc/pnv.c @@ -24,6 +24,7 @@ #include "sysemu/sysemu.h" #include "sysemu/numa.h" #include "sysemu/cpus.h" +#include "sysemu/device_tree.h" #include "hw/hw.h" #include "target/ppc/cpu.h" #include "qemu/log.h" @@ -555,6 +556,7 @@ static void pnv_reset(void) /* Pack resulting tree */ _FDT((fdt_pack(fdt))); + qemu_fdt_dumpdtb(fdt, fdt_totalsize(fdt)); cpu_physical_memory_write(PNV_FDT_ADDR, fdt, fdt_totalsize(fdt)); } diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c index d7e0bd21f8..b502fcac2e 100644 --- a/hw/ppc/spapr.c +++ b/hw/ppc/spapr.c @@ -1310,8 +1310,7 @@ static void *spapr_build_fdt(SpaprMachineState *spapr) } QLIST_FOREACH(phb, &spapr->phbs, list) { - ret = spapr_populate_pci_dt(phb, PHANDLE_INTC, fdt, - spapr->irq->nr_msis, NULL); + ret = spapr_dt_phb(phb, PHANDLE_INTC, fdt, spapr->irq->nr_msis, NULL); if (ret < 0) { error_report("couldn't setup PCI devices in fdt"); exit(1); @@ -1322,13 +1321,12 @@ static void *spapr_build_fdt(SpaprMachineState *spapr) spapr_populate_cpus_dt_node(fdt, spapr); if (smc->dr_lmb_enabled) { - _FDT(spapr_drc_populate_dt(fdt, 0, NULL, SPAPR_DR_CONNECTOR_TYPE_LMB)); + _FDT(spapr_dt_drc(fdt, 0, NULL, SPAPR_DR_CONNECTOR_TYPE_LMB)); } if (mc->has_hotpluggable_cpus) { int offset = fdt_path_offset(fdt, "/cpus"); - ret = spapr_drc_populate_dt(fdt, offset, NULL, - SPAPR_DR_CONNECTOR_TYPE_CPU); + ret = spapr_dt_drc(fdt, offset, NULL, SPAPR_DR_CONNECTOR_TYPE_CPU); if (ret < 0) { error_report("Couldn't set up CPU DR device tree properties"); exit(1); @@ -1365,7 +1363,7 @@ static void *spapr_build_fdt(SpaprMachineState *spapr) } if (smc->dr_phb_enabled) { - ret = spapr_drc_populate_dt(fdt, 0, NULL, SPAPR_DR_CONNECTOR_TYPE_PHB); + ret = spapr_dt_drc(fdt, 0, NULL, SPAPR_DR_CONNECTOR_TYPE_PHB); if (ret < 0) { error_report("Couldn't set up PHB DR device tree properties"); exit(1); @@ -3918,8 +3916,8 @@ int spapr_phb_dt_populate(SpaprDrc *drc, SpaprMachineState *spapr, return -1; } - if (spapr_populate_pci_dt(sphb, intc_phandle, fdt, spapr->irq->nr_msis, - fdt_start_offset)) { + if (spapr_dt_phb(sphb, intc_phandle, fdt, spapr->irq->nr_msis, + fdt_start_offset)) { error_setg(errp, "unable to create FDT node for PHB %d", sphb->index); return -1; } @@ -4097,6 +4095,17 @@ static HotplugHandler *spapr_get_hotplug_handler(MachineState *machine, object_dynamic_cast(OBJECT(dev), TYPE_SPAPR_PCI_HOST_BRIDGE)) { return HOTPLUG_HANDLER(machine); } + if (object_dynamic_cast(OBJECT(dev), TYPE_PCI_DEVICE)) { + PCIDevice *pcidev = PCI_DEVICE(dev); + PCIBus *root = pci_device_root_bus(pcidev); + SpaprPhbState *phb = + (SpaprPhbState *)object_dynamic_cast(OBJECT(BUS(root)->parent), + TYPE_SPAPR_PCI_HOST_BRIDGE); + + if (phb) { + return HOTPLUG_HANDLER(phb); + } + } return NULL; } diff --git a/hw/ppc/spapr_drc.c b/hw/ppc/spapr_drc.c index 597f236b9c..bacadfcac5 100644 --- a/hw/ppc/spapr_drc.c +++ b/hw/ppc/spapr_drc.c @@ -781,7 +781,7 @@ SpaprDrc *spapr_drc_by_id(const char *type, uint32_t id) } /** - * spapr_drc_populate_dt + * spapr_dt_drc * * @fdt: libfdt device tree * @path: path in the DT to generate properties @@ -794,8 +794,7 @@ SpaprDrc *spapr_drc_by_id(const char *type, uint32_t id) * * as documented in PAPR+ v2.1, 13.5.2 */ -int spapr_drc_populate_dt(void *fdt, int fdt_offset, Object *owner, - uint32_t drc_type_mask) +int spapr_dt_drc(void *fdt, int offset, Object *owner, uint32_t drc_type_mask) { Object *root_container; ObjectProperty *prop; @@ -873,7 +872,7 @@ int spapr_drc_populate_dt(void *fdt, int fdt_offset, Object *owner, *(uint32_t *)drc_names->str = cpu_to_be32(drc_count); *(uint32_t *)drc_types->str = cpu_to_be32(drc_count); - ret = fdt_setprop(fdt, fdt_offset, "ibm,drc-indexes", + ret = fdt_setprop(fdt, offset, "ibm,drc-indexes", drc_indexes->data, drc_indexes->len * sizeof(uint32_t)); if (ret) { @@ -881,7 +880,7 @@ int spapr_drc_populate_dt(void *fdt, int fdt_offset, Object *owner, goto out; } - ret = fdt_setprop(fdt, fdt_offset, "ibm,drc-power-domains", + ret = fdt_setprop(fdt, offset, "ibm,drc-power-domains", drc_power_domains->data, drc_power_domains->len * sizeof(uint32_t)); if (ret) { @@ -889,14 +888,14 @@ int spapr_drc_populate_dt(void *fdt, int fdt_offset, Object *owner, goto out; } - ret = fdt_setprop(fdt, fdt_offset, "ibm,drc-names", + ret = fdt_setprop(fdt, offset, "ibm,drc-names", drc_names->str, drc_names->len); if (ret) { error_report("Couldn't finalize ibm,drc-names property"); goto out; } - ret = fdt_setprop(fdt, fdt_offset, "ibm,drc-types", + ret = fdt_setprop(fdt, offset, "ibm,drc-types", drc_types->str, drc_types->len); if (ret) { error_report("Couldn't finalize ibm,drc-types property"); diff --git a/hw/ppc/spapr_pci.c b/hw/ppc/spapr_pci.c index e594b781f9..957ae88bbd 100644 --- a/hw/ppc/spapr_pci.c +++ b/hw/ppc/spapr_pci.c @@ -1174,8 +1174,8 @@ static const PCIClass pci_classes[] = { { "data-processing-controller", spc_subclass }, }; -static const char *pci_find_device_name(uint8_t class, uint8_t subclass, - uint8_t iface) +static const char *dt_name_from_class(uint8_t class, uint8_t subclass, + uint8_t iface) { const PCIClass *pclass; const PCISubClass *psubclass; @@ -1217,77 +1217,223 @@ static const char *pci_find_device_name(uint8_t class, uint8_t subclass, return name; } -static gchar *pci_get_node_name(PCIDevice *dev) +/* + * DRC helper functions + */ + +static uint32_t drc_id_from_devfn(SpaprPhbState *phb, + uint8_t chassis, int32_t devfn) { - int slot = PCI_SLOT(dev->devfn); - int func = PCI_FUNC(dev->devfn); - uint32_t ccode = pci_default_read_config(dev, PCI_CLASS_PROG, 3); - const char *name; + return (phb->index << 16) | (chassis << 8) | devfn; +} - name = pci_find_device_name((ccode >> 16) & 0xff, (ccode >> 8) & 0xff, - ccode & 0xff); +static SpaprDrc *drc_from_devfn(SpaprPhbState *phb, + uint8_t chassis, int32_t devfn) +{ + return spapr_drc_by_id(TYPE_SPAPR_DRC_PCI, + drc_id_from_devfn(phb, chassis, devfn)); +} - if (func != 0) { - return g_strdup_printf("%s@%x,%x", name, slot, func); +static uint8_t chassis_from_bus(PCIBus *bus, Error **errp) +{ + if (pci_bus_is_root(bus)) { + return 0; + } else { + PCIDevice *bridge = pci_bridge_get_device(bus); + + return object_property_get_uint(OBJECT(bridge), "chassis_nr", errp); + } +} + +static SpaprDrc *drc_from_dev(SpaprPhbState *phb, PCIDevice *dev) +{ + Error *local_err = NULL; + uint8_t chassis = chassis_from_bus(pci_get_bus(dev), &local_err); + + if (local_err) { + error_report_err(local_err); + return NULL; + } + + return drc_from_devfn(phb, chassis, dev->devfn); +} + +static void add_drcs(SpaprPhbState *phb, PCIBus *bus, Error **errp) +{ + Object *owner; + int i; + uint8_t chassis; + Error *local_err = NULL; + + if (!phb->dr_enabled) { + return; + } + + chassis = chassis_from_bus(bus, &local_err); + if (local_err) { + error_propagate(errp, local_err); + return; + } + + if (pci_bus_is_root(bus)) { + owner = OBJECT(phb); } else { - return g_strdup_printf("%s@%x", name, slot); + owner = OBJECT(pci_bridge_get_device(bus)); + } + + for (i = 0; i < PCI_SLOT_MAX * PCI_FUNC_MAX; i++) { + spapr_dr_connector_new(owner, TYPE_SPAPR_DRC_PCI, + drc_id_from_devfn(phb, chassis, i)); + } +} + +static void remove_drcs(SpaprPhbState *phb, PCIBus *bus, Error **errp) +{ + int i; + uint8_t chassis; + Error *local_err = NULL; + + if (!phb->dr_enabled) { + return; + } + + chassis = chassis_from_bus(bus, &local_err); + if (local_err) { + error_propagate(errp, local_err); + return; + } + + for (i = PCI_SLOT_MAX * PCI_FUNC_MAX - 1; i >= 0; i--) { + SpaprDrc *drc = drc_from_devfn(phb, chassis, i); + + if (drc) { + object_unparent(OBJECT(drc)); + } } } -static uint32_t spapr_phb_get_pci_drc_index(SpaprPhbState *phb, - PCIDevice *pdev); +typedef struct PciWalkFdt { + void *fdt; + int offset; + SpaprPhbState *sphb; + int err; +} PciWalkFdt; + +static int spapr_dt_pci_device(SpaprPhbState *sphb, PCIDevice *dev, + void *fdt, int parent_offset); + +static void spapr_dt_pci_device_cb(PCIBus *bus, PCIDevice *pdev, + void *opaque) +{ + PciWalkFdt *p = opaque; + int err; + + if (p->err) { + /* Something's already broken, don't keep going */ + return; + } + + err = spapr_dt_pci_device(p->sphb, pdev, p->fdt, p->offset); + if (err < 0) { + p->err = err; + } +} + +/* Augment PCI device node with bridge specific information */ +static int spapr_dt_pci_bus(SpaprPhbState *sphb, PCIBus *bus, + void *fdt, int offset) +{ + PciWalkFdt cbinfo = { + .fdt = fdt, + .offset = offset, + .sphb = sphb, + .err = 0, + }; + int ret; + + _FDT(fdt_setprop_cell(fdt, offset, "#address-cells", + RESOURCE_CELLS_ADDRESS)); + _FDT(fdt_setprop_cell(fdt, offset, "#size-cells", + RESOURCE_CELLS_SIZE)); + + if (bus) { + pci_for_each_device_reverse(bus, pci_bus_num(bus), + spapr_dt_pci_device_cb, &cbinfo); + if (cbinfo.err) { + return cbinfo.err; + } + } + + ret = spapr_dt_drc(fdt, offset, OBJECT(bus->parent_dev), + SPAPR_DR_CONNECTOR_TYPE_PCI); + if (ret) { + return ret; + } + + return offset; +} -static void spapr_populate_pci_child_dt(PCIDevice *dev, void *fdt, int offset, - SpaprPhbState *sphb) +/* create OF node for pci device and required OF DT properties */ +static int spapr_dt_pci_device(SpaprPhbState *sphb, PCIDevice *dev, + void *fdt, int parent_offset) { + int offset; + const gchar *basename; + gchar *nodename; + int slot = PCI_SLOT(dev->devfn); + int func = PCI_FUNC(dev->devfn); + PCIDeviceClass *pc = PCI_DEVICE_GET_CLASS(dev); ResourceProps rp; - bool is_bridge = false; - int pci_status; - char *buf = NULL; - uint32_t drc_index = spapr_phb_get_pci_drc_index(sphb, dev); + SpaprDrc *drc = drc_from_dev(sphb, dev); + uint32_t vendor_id = pci_default_read_config(dev, PCI_VENDOR_ID, 2); + uint32_t device_id = pci_default_read_config(dev, PCI_DEVICE_ID, 2); + uint32_t revision_id = pci_default_read_config(dev, PCI_REVISION_ID, 1); uint32_t ccode = pci_default_read_config(dev, PCI_CLASS_PROG, 3); - uint32_t max_msi, max_msix; + uint32_t irq_pin = pci_default_read_config(dev, PCI_INTERRUPT_PIN, 1); + uint32_t subsystem_id = pci_default_read_config(dev, PCI_SUBSYSTEM_ID, 2); + uint32_t subsystem_vendor_id = + pci_default_read_config(dev, PCI_SUBSYSTEM_VENDOR_ID, 2); + uint32_t cache_line_size = + pci_default_read_config(dev, PCI_CACHE_LINE_SIZE, 1); + uint32_t pci_status = pci_default_read_config(dev, PCI_STATUS, 2); + gchar *loc_code; + + basename = dt_name_from_class((ccode >> 16) & 0xff, (ccode >> 8) & 0xff, + ccode & 0xff); - if (pci_default_read_config(dev, PCI_HEADER_TYPE, 1) == - PCI_HEADER_TYPE_BRIDGE) { - is_bridge = true; + if (func != 0) { + nodename = g_strdup_printf("%s@%x,%x", basename, slot, func); + } else { + nodename = g_strdup_printf("%s@%x", basename, slot); } + _FDT(offset = fdt_add_subnode(fdt, parent_offset, nodename)); + + g_free(nodename); + /* in accordance with PAPR+ v2.7 13.6.3, Table 181 */ - _FDT(fdt_setprop_cell(fdt, offset, "vendor-id", - pci_default_read_config(dev, PCI_VENDOR_ID, 2))); - _FDT(fdt_setprop_cell(fdt, offset, "device-id", - pci_default_read_config(dev, PCI_DEVICE_ID, 2))); - _FDT(fdt_setprop_cell(fdt, offset, "revision-id", - pci_default_read_config(dev, PCI_REVISION_ID, 1))); - _FDT(fdt_setprop_cell(fdt, offset, "class-code", ccode)); - if (pci_default_read_config(dev, PCI_INTERRUPT_PIN, 1)) { - _FDT(fdt_setprop_cell(fdt, offset, "interrupts", - pci_default_read_config(dev, PCI_INTERRUPT_PIN, 1))); - } + _FDT(fdt_setprop_cell(fdt, offset, "vendor-id", vendor_id)); + _FDT(fdt_setprop_cell(fdt, offset, "device-id", device_id)); + _FDT(fdt_setprop_cell(fdt, offset, "revision-id", revision_id)); - if (!is_bridge) { - _FDT(fdt_setprop_cell(fdt, offset, "min-grant", - pci_default_read_config(dev, PCI_MIN_GNT, 1))); - _FDT(fdt_setprop_cell(fdt, offset, "max-latency", - pci_default_read_config(dev, PCI_MAX_LAT, 1))); + _FDT(fdt_setprop_cell(fdt, offset, "class-code", ccode)); + if (irq_pin) { + _FDT(fdt_setprop_cell(fdt, offset, "interrupts", irq_pin)); } - if (pci_default_read_config(dev, PCI_SUBSYSTEM_ID, 2)) { - _FDT(fdt_setprop_cell(fdt, offset, "subsystem-id", - pci_default_read_config(dev, PCI_SUBSYSTEM_ID, 2))); + if (subsystem_id) { + _FDT(fdt_setprop_cell(fdt, offset, "subsystem-id", subsystem_id)); } - if (pci_default_read_config(dev, PCI_SUBSYSTEM_VENDOR_ID, 2)) { + if (subsystem_vendor_id) { _FDT(fdt_setprop_cell(fdt, offset, "subsystem-vendor-id", - pci_default_read_config(dev, PCI_SUBSYSTEM_VENDOR_ID, 2))); + subsystem_vendor_id)); } - _FDT(fdt_setprop_cell(fdt, offset, "cache-line-size", - pci_default_read_config(dev, PCI_CACHE_LINE_SIZE, 1))); + _FDT(fdt_setprop_cell(fdt, offset, "cache-line-size", cache_line_size)); + /* the following fdt cells are masked off the pci status register */ - pci_status = pci_default_read_config(dev, PCI_STATUS, 2); _FDT(fdt_setprop_cell(fdt, offset, "devsel-speed", PCI_STATUS_DEVSEL_MASK & pci_status)); @@ -1301,32 +1447,23 @@ static void spapr_populate_pci_child_dt(PCIDevice *dev, void *fdt, int offset, _FDT(fdt_setprop(fdt, offset, "udf-supported", NULL, 0)); } - _FDT(fdt_setprop_string(fdt, offset, "name", - pci_find_device_name((ccode >> 16) & 0xff, - (ccode >> 8) & 0xff, - ccode & 0xff))); - - buf = spapr_phb_get_loc_code(sphb, dev); - _FDT(fdt_setprop_string(fdt, offset, "ibm,loc-code", buf)); - g_free(buf); + loc_code = spapr_phb_get_loc_code(sphb, dev); + _FDT(fdt_setprop_string(fdt, offset, "ibm,loc-code", loc_code)); + g_free(loc_code); - if (drc_index) { - _FDT(fdt_setprop_cell(fdt, offset, "ibm,my-drc-index", drc_index)); + if (drc) { + _FDT(fdt_setprop_cell(fdt, offset, "ibm,my-drc-index", + spapr_drc_index(drc))); } - _FDT(fdt_setprop_cell(fdt, offset, "#address-cells", - RESOURCE_CELLS_ADDRESS)); - _FDT(fdt_setprop_cell(fdt, offset, "#size-cells", - RESOURCE_CELLS_SIZE)); - if (msi_present(dev)) { - max_msi = msi_nr_vectors_allocated(dev); + uint32_t max_msi = msi_nr_vectors_allocated(dev); if (max_msi) { _FDT(fdt_setprop_cell(fdt, offset, "ibm,req#msi", max_msi)); } } if (msix_present(dev)) { - max_msix = dev->msix_entries_nr; + uint32_t max_msix = dev->msix_entries_nr; if (max_msix) { _FDT(fdt_setprop_cell(fdt, offset, "ibm,req#msi-x", max_msix)); } @@ -1342,22 +1479,19 @@ static void spapr_populate_pci_child_dt(PCIDevice *dev, void *fdt, int offset, } spapr_phb_nvgpu_populate_pcidev_dt(dev, fdt, offset, sphb); -} - -/* create OF node for pci device and required OF DT properties */ -static int spapr_create_pci_child_dt(SpaprPhbState *phb, PCIDevice *dev, - void *fdt, int node_offset) -{ - int offset; - gchar *nodename; - nodename = pci_get_node_name(dev); - _FDT(offset = fdt_add_subnode(fdt, node_offset, nodename)); - g_free(nodename); - - spapr_populate_pci_child_dt(dev, fdt, offset, phb); + if (!pc->is_bridge) { + /* Properties only for non-bridges */ + uint32_t min_grant = pci_default_read_config(dev, PCI_MIN_GNT, 1); + uint32_t max_latency = pci_default_read_config(dev, PCI_MAX_LAT, 1); + _FDT(fdt_setprop_cell(fdt, offset, "min-grant", min_grant)); + _FDT(fdt_setprop_cell(fdt, offset, "max-latency", max_latency)); + return offset; + } else { + PCIBus *sec_bus = pci_bridge_get_sec_bus(PCI_BRIDGE(dev)); - return offset; + return spapr_dt_pci_bus(sphb, sec_bus, fdt, offset); + } } /* Callback to be called during DRC release. */ @@ -1369,33 +1503,6 @@ void spapr_phb_remove_pci_device_cb(DeviceState *dev) object_unparent(OBJECT(dev)); } -static SpaprDrc *spapr_phb_get_pci_func_drc(SpaprPhbState *phb, - uint32_t busnr, - int32_t devfn) -{ - return spapr_drc_by_id(TYPE_SPAPR_DRC_PCI, - (phb->index << 16) | (busnr << 8) | devfn); -} - -static SpaprDrc *spapr_phb_get_pci_drc(SpaprPhbState *phb, - PCIDevice *pdev) -{ - uint32_t busnr = pci_bus_num(PCI_BUS(qdev_get_parent_bus(DEVICE(pdev)))); - return spapr_phb_get_pci_func_drc(phb, busnr, pdev->devfn); -} - -static uint32_t spapr_phb_get_pci_drc_index(SpaprPhbState *phb, - PCIDevice *pdev) -{ - SpaprDrc *drc = spapr_phb_get_pci_drc(phb, pdev); - - if (!drc) { - return 0; - } - - return spapr_drc_index(drc); -} - int spapr_pci_dt_populate(SpaprDrc *drc, SpaprMachineState *spapr, void *fdt, int *fdt_start_offset, Error **errp) { @@ -1403,16 +1510,31 @@ int spapr_pci_dt_populate(SpaprDrc *drc, SpaprMachineState *spapr, SpaprPhbState *sphb = SPAPR_PCI_HOST_BRIDGE(plug_handler); PCIDevice *pdev = PCI_DEVICE(drc->dev); - *fdt_start_offset = spapr_create_pci_child_dt(sphb, pdev, fdt, 0); + *fdt_start_offset = spapr_dt_pci_device(sphb, pdev, fdt, 0); return 0; } +static void spapr_pci_bridge_plug(SpaprPhbState *phb, + PCIBridge *bridge, + Error **errp) +{ + Error *local_err = NULL; + PCIBus *bus = pci_bridge_get_sec_bus(bridge); + + add_drcs(phb, bus, &local_err); + if (local_err) { + error_propagate(errp, local_err); + return; + } +} + static void spapr_pci_plug(HotplugHandler *plug_handler, DeviceState *plugged_dev, Error **errp) { SpaprPhbState *phb = SPAPR_PCI_HOST_BRIDGE(DEVICE(plug_handler)); PCIDevice *pdev = PCI_DEVICE(plugged_dev); - SpaprDrc *drc = spapr_phb_get_pci_drc(phb, pdev); + PCIDeviceClass *pc = PCI_DEVICE_GET_CLASS(plugged_dev); + SpaprDrc *drc = drc_from_dev(phb, pdev); Error *local_err = NULL; PCIBus *bus = PCI_BUS(qdev_get_parent_bus(DEVICE(pdev))); uint32_t slotnr = PCI_SLOT(pdev->devfn); @@ -1433,6 +1555,14 @@ static void spapr_pci_plug(HotplugHandler *plug_handler, g_assert(drc); + if (pc->is_bridge) { + spapr_pci_bridge_plug(phb, PCI_BRIDGE(plugged_dev), &local_err); + if (local_err) { + error_propagate(errp, local_err); + return; + } + } + /* Following the QEMU convention used for PCIe multifunction * hotplug, we do not allow functions to be hotplugged to a * slot that already has function 0 present @@ -1457,14 +1587,19 @@ static void spapr_pci_plug(HotplugHandler *plug_handler, spapr_drc_reset(drc); } else if (PCI_FUNC(pdev->devfn) == 0) { int i; + uint8_t chassis = chassis_from_bus(pci_get_bus(pdev), &local_err); + + if (local_err) { + error_propagate(errp, local_err); + return; + } for (i = 0; i < 8; i++) { SpaprDrc *func_drc; SpaprDrcClass *func_drck; SpaprDREntitySense state; - func_drc = spapr_phb_get_pci_func_drc(phb, pci_bus_num(bus), - PCI_DEVFN(slotnr, i)); + func_drc = drc_from_devfn(phb, chassis, PCI_DEVFN(slotnr, i)); func_drck = SPAPR_DR_CONNECTOR_GET_CLASS(func_drc); state = func_drck->dr_entity_sense(func_drc); @@ -1478,9 +1613,26 @@ out: error_propagate(errp, local_err); } +static void spapr_pci_bridge_unplug(SpaprPhbState *phb, + PCIBridge *bridge, + Error **errp) +{ + Error *local_err = NULL; + PCIBus *bus = pci_bridge_get_sec_bus(bridge); + + remove_drcs(phb, bus, &local_err); + if (local_err) { + error_propagate(errp, local_err); + return; + } +} + static void spapr_pci_unplug(HotplugHandler *plug_handler, DeviceState *plugged_dev, Error **errp) { + PCIDeviceClass *pc = PCI_DEVICE_GET_CLASS(plugged_dev); + SpaprPhbState *phb = SPAPR_PCI_HOST_BRIDGE(DEVICE(plug_handler)); + /* some version guests do not wait for completion of a device * cleanup (generally done asynchronously by the kernel) before * signaling to QEMU that the device is safe, but instead sleep @@ -1492,6 +1644,16 @@ static void spapr_pci_unplug(HotplugHandler *plug_handler, * an 'idle' state, as the device cleanup code expects. */ pci_device_reset(PCI_DEVICE(plugged_dev)); + + if (pc->is_bridge) { + Error *local_err = NULL; + spapr_pci_bridge_unplug(phb, PCI_BRIDGE(plugged_dev), &local_err); + if (local_err) { + error_propagate(errp, local_err); + } + return; + } + object_property_set_bool(OBJECT(plugged_dev), false, "realized", NULL); } @@ -1500,7 +1662,7 @@ static void spapr_pci_unplug_request(HotplugHandler *plug_handler, { SpaprPhbState *phb = SPAPR_PCI_HOST_BRIDGE(DEVICE(plug_handler)); PCIDevice *pdev = PCI_DEVICE(plugged_dev); - SpaprDrc *drc = spapr_phb_get_pci_drc(phb, pdev); + SpaprDrc *drc = drc_from_dev(phb, pdev); if (!phb->dr_enabled) { error_setg(errp, QERR_BUS_NO_HOTPLUG, @@ -1512,18 +1674,28 @@ static void spapr_pci_unplug_request(HotplugHandler *plug_handler, g_assert(drc->dev == plugged_dev); if (!spapr_drc_unplug_requested(drc)) { - PCIBus *bus = PCI_BUS(qdev_get_parent_bus(DEVICE(pdev))); + PCIDeviceClass *pc = PCI_DEVICE_GET_CLASS(plugged_dev); uint32_t slotnr = PCI_SLOT(pdev->devfn); SpaprDrc *func_drc; SpaprDrcClass *func_drck; SpaprDREntitySense state; int i; + Error *local_err = NULL; + uint8_t chassis = chassis_from_bus(pci_get_bus(pdev), &local_err); + + if (local_err) { + error_propagate(errp, local_err); + return; + } + + if (pc->is_bridge) { + error_setg(errp, "PCI: Hot unplug of PCI bridges not supported"); + } /* ensure any other present functions are pending unplug */ if (PCI_FUNC(pdev->devfn) == 0) { for (i = 1; i < 8; i++) { - func_drc = spapr_phb_get_pci_func_drc(phb, pci_bus_num(bus), - PCI_DEVFN(slotnr, i)); + func_drc = drc_from_devfn(phb, chassis, PCI_DEVFN(slotnr, i)); func_drck = SPAPR_DR_CONNECTOR_GET_CLASS(func_drc); state = func_drck->dr_entity_sense(func_drc); if (state == SPAPR_DR_ENTITY_SENSE_PRESENT @@ -1544,8 +1716,7 @@ static void spapr_pci_unplug_request(HotplugHandler *plug_handler, */ if (PCI_FUNC(pdev->devfn) == 0) { for (i = 7; i >= 0; i--) { - func_drc = spapr_phb_get_pci_func_drc(phb, pci_bus_num(bus), - PCI_DEVFN(slotnr, i)); + func_drc = drc_from_devfn(phb, chassis, PCI_DEVFN(slotnr, i)); func_drck = SPAPR_DR_CONNECTOR_GET_CLASS(func_drc); state = func_drck->dr_entity_sense(func_drc); if (state == SPAPR_DR_ENTITY_SENSE_PRESENT) { @@ -1573,6 +1744,7 @@ static void spapr_phb_unrealize(DeviceState *dev, Error **errp) SpaprTceTable *tcet; int i; const unsigned windows_supported = spapr_phb_windows_supported(sphb); + Error *local_err = NULL; spapr_phb_nvgpu_free(sphb); @@ -1593,15 +1765,10 @@ static void spapr_phb_unrealize(DeviceState *dev, Error **errp) } } - if (sphb->dr_enabled) { - for (i = PCI_SLOT_MAX * 8 - 1; i >= 0; i--) { - SpaprDrc *drc = spapr_drc_by_id(TYPE_SPAPR_DRC_PCI, - (sphb->index << 16) | i); - - if (drc) { - object_unparent(OBJECT(drc)); - } - } + remove_drcs(sphb, phb->bus, &local_err); + if (local_err) { + error_propagate(errp, local_err); + return; } for (i = PCI_NUM_PINS - 1; i >= 0; i--) { @@ -1645,6 +1812,7 @@ static void spapr_phb_realize(DeviceState *dev, Error **errp) uint64_t msi_window_size = 4096; SpaprTceTable *tcet; const unsigned windows_supported = spapr_phb_windows_supported(sphb); + Error *local_err = NULL; if (!spapr) { error_setg(errp, TYPE_SPAPR_PCI_HOST_BRIDGE " needs a pseries machine"); @@ -1678,7 +1846,14 @@ static void spapr_phb_realize(DeviceState *dev, Error **errp) } if (spapr_pci_find_phb(spapr, sphb->buid)) { - error_setg(errp, "PCI host bridges must have unique BUIDs"); + SpaprPhbState *s; + + error_setg(errp, "PCI host bridges must have unique indexes"); + error_append_hint(errp, "The following indexes are already in use:"); + QLIST_FOREACH(s, &spapr->phbs, list) { + error_append_hint(errp, " %d", s->index); + } + error_append_hint(errp, "\nTry another value for the index property\n"); return; } @@ -1790,7 +1965,6 @@ static void spapr_phb_realize(DeviceState *dev, Error **errp) /* Initialize the LSI table */ for (i = 0; i < PCI_NUM_PINS; i++) { uint32_t irq = SPAPR_IRQ_PCI_LSI + sphb->index * PCI_NUM_PINS + i; - Error *local_err = NULL; if (smc->legacy_irq_allocation) { irq = spapr_irq_findone(spapr, &local_err); @@ -1815,11 +1989,10 @@ static void spapr_phb_realize(DeviceState *dev, Error **errp) } /* allocate connectors for child PCI devices */ - if (sphb->dr_enabled) { - for (i = 0; i < PCI_SLOT_MAX * 8; i++) { - spapr_dr_connector_new(OBJECT(phb), TYPE_SPAPR_DRC_PCI, - (sphb->index << 16) | i); - } + add_drcs(sphb, phb->bus, &local_err); + if (local_err) { + error_propagate(errp, local_err); + goto unrealize; } /* DMA setup */ @@ -2069,44 +2242,6 @@ static const TypeInfo spapr_phb_info = { } }; -typedef struct SpaprFdt { - void *fdt; - int node_off; - SpaprPhbState *sphb; -} SpaprFdt; - -static void spapr_populate_pci_devices_dt(PCIBus *bus, PCIDevice *pdev, - void *opaque) -{ - PCIBus *sec_bus; - SpaprFdt *p = opaque; - int offset; - SpaprFdt s_fdt; - - offset = spapr_create_pci_child_dt(p->sphb, pdev, p->fdt, p->node_off); - if (!offset) { - error_report("Failed to create pci child device tree node"); - return; - } - - if ((pci_default_read_config(pdev, PCI_HEADER_TYPE, 1) != - PCI_HEADER_TYPE_BRIDGE)) { - return; - } - - sec_bus = pci_bridge_get_sec_bus(PCI_BRIDGE(pdev)); - if (!sec_bus) { - return; - } - - s_fdt.fdt = p->fdt; - s_fdt.node_off = offset; - s_fdt.sphb = p->sphb; - pci_for_each_device_reverse(sec_bus, pci_bus_num(sec_bus), - spapr_populate_pci_devices_dt, - &s_fdt); -} - static void spapr_phb_pci_enumerate_bridge(PCIBus *bus, PCIDevice *pdev, void *opaque) { @@ -2144,8 +2279,8 @@ static void spapr_phb_pci_enumerate(SpaprPhbState *phb) } -int spapr_populate_pci_dt(SpaprPhbState *phb, uint32_t intc_phandle, void *fdt, - uint32_t nr_msis, int *node_offset) +int spapr_dt_phb(SpaprPhbState *phb, uint32_t intc_phandle, void *fdt, + uint32_t nr_msis, int *node_offset) { int bus_off, i, j, ret; uint32_t bus_range[] = { cpu_to_be32(0), cpu_to_be32(0xff) }; @@ -2192,8 +2327,6 @@ int spapr_populate_pci_dt(SpaprPhbState *phb, uint32_t intc_phandle, void *fdt, cpu_to_be32(0x0), cpu_to_be32(phb->numa_node)}; SpaprTceTable *tcet; - PCIBus *bus = PCI_HOST_BRIDGE(phb)->bus; - SpaprFdt s_fdt; SpaprDrc *drc; Error *errp = NULL; @@ -2206,8 +2339,6 @@ int spapr_populate_pci_dt(SpaprPhbState *phb, uint32_t intc_phandle, void *fdt, /* Write PHB properties */ _FDT(fdt_setprop_string(fdt, bus_off, "device_type", "pci")); _FDT(fdt_setprop_string(fdt, bus_off, "compatible", "IBM,Logical_PHB")); - _FDT(fdt_setprop_cell(fdt, bus_off, "#address-cells", 0x3)); - _FDT(fdt_setprop_cell(fdt, bus_off, "#size-cells", 0x2)); _FDT(fdt_setprop_cell(fdt, bus_off, "#interrupt-cells", 0x1)); _FDT(fdt_setprop(fdt, bus_off, "used-by-rtas", NULL, 0)); _FDT(fdt_setprop(fdt, bus_off, "bus-range", &bus_range, sizeof(bus_range))); @@ -2272,17 +2403,9 @@ int spapr_populate_pci_dt(SpaprPhbState *phb, uint32_t intc_phandle, void *fdt, spapr_phb_pci_enumerate(phb); _FDT(fdt_setprop_cell(fdt, bus_off, "qemu,phb-enumerated", 0x1)); - /* Populate tree nodes with PCI devices attached */ - s_fdt.fdt = fdt; - s_fdt.node_off = bus_off; - s_fdt.sphb = phb; - pci_for_each_device_reverse(bus, pci_bus_num(bus), - spapr_populate_pci_devices_dt, - &s_fdt); - - ret = spapr_drc_populate_dt(fdt, bus_off, OBJECT(phb), - SPAPR_DR_CONNECTOR_TYPE_PCI); - if (ret) { + /* Walk the bridge and subordinate buses */ + ret = spapr_dt_pci_bus(phb, PCI_HOST_BRIDGE(phb)->bus, fdt, bus_off); + if (ret < 0) { return ret; } diff --git a/include/hw/pci-host/spapr.h b/include/hw/pci-host/spapr.h index 53519c835e..1b61162f91 100644 --- a/include/hw/pci-host/spapr.h +++ b/include/hw/pci-host/spapr.h @@ -131,8 +131,8 @@ static inline qemu_irq spapr_phb_lsi_qirq(struct SpaprPhbState *phb, int pin) return spapr_qirq(spapr, phb->lsi_table[pin].irq); } -int spapr_populate_pci_dt(SpaprPhbState *phb, uint32_t intc_phandle, void *fdt, - uint32_t nr_msis, int *node_offset); +int spapr_dt_phb(SpaprPhbState *phb, uint32_t intc_phandle, void *fdt, + uint32_t nr_msis, int *node_offset); void spapr_pci_rtas_init(void); diff --git a/include/hw/ppc/spapr_drc.h b/include/hw/ppc/spapr_drc.h index fad0a887f9..c2c543a591 100644 --- a/include/hw/ppc/spapr_drc.h +++ b/include/hw/ppc/spapr_drc.h @@ -266,8 +266,7 @@ SpaprDrc *spapr_dr_connector_new(Object *owner, const char *type, uint32_t id); SpaprDrc *spapr_drc_by_index(uint32_t index); SpaprDrc *spapr_drc_by_id(const char *type, uint32_t id); -int spapr_drc_populate_dt(void *fdt, int fdt_offset, Object *owner, - uint32_t drc_type_mask); +int spapr_dt_drc(void *fdt, int offset, Object *owner, uint32_t drc_type_mask); void spapr_drc_attach(SpaprDrc *drc, DeviceState *d, Error **errp); void spapr_drc_detach(SpaprDrc *drc); diff --git a/include/hw/ppc/xive.h b/include/hw/ppc/xive.h index d872f96d1a..a6ee7e831d 100644 --- a/include/hw/ppc/xive.h +++ b/include/hw/ppc/xive.h @@ -317,7 +317,8 @@ typedef struct XiveTCTX { DeviceState parent_obj; CPUState *cs; - qemu_irq output; + qemu_irq hv_output; + qemu_irq os_output; uint8_t regs[XIVE_TM_RING_COUNT * XIVE_TM_RING_SIZE]; } XiveTCTX; diff --git a/target/ppc/translate/vsx-impl.inc.c b/target/ppc/translate/vsx-impl.inc.c index 199d22da97..e9b7562f84 100644 --- a/target/ppc/translate/vsx-impl.inc.c +++ b/target/ppc/translate/vsx-impl.inc.c @@ -102,8 +102,7 @@ static void gen_lxvw4x(DisasContext *ctx) } xth = tcg_temp_new_i64(); xtl = tcg_temp_new_i64(); - get_cpu_vsrh(xth, xT(ctx->opcode)); - get_cpu_vsrl(xtl, xT(ctx->opcode)); + gen_set_access_type(ctx, ACCESS_INT); EA = tcg_temp_new(); @@ -126,6 +125,8 @@ static void gen_lxvw4x(DisasContext *ctx) tcg_gen_addi_tl(EA, EA, 8); tcg_gen_qemu_ld_i64(xtl, EA, ctx->mem_idx, MO_BEQ); } + set_cpu_vsrh(xT(ctx->opcode), xth); + set_cpu_vsrl(xT(ctx->opcode), xtl); tcg_temp_free(EA); tcg_temp_free_i64(xth); tcg_temp_free_i64(xtl); @@ -185,8 +186,6 @@ static void gen_lxvh8x(DisasContext *ctx) } xth = tcg_temp_new_i64(); xtl = tcg_temp_new_i64(); - get_cpu_vsrh(xth, xT(ctx->opcode)); - get_cpu_vsrl(xtl, xT(ctx->opcode)); gen_set_access_type(ctx, ACCESS_INT); EA = tcg_temp_new(); @@ -197,6 +196,8 @@ static void gen_lxvh8x(DisasContext *ctx) if (ctx->le_mode) { gen_bswap16x8(xth, xtl, xth, xtl); } + set_cpu_vsrh(xT(ctx->opcode), xth); + set_cpu_vsrl(xT(ctx->opcode), xtl); tcg_temp_free(EA); tcg_temp_free_i64(xth); tcg_temp_free_i64(xtl); @@ -214,14 +215,14 @@ static void gen_lxvb16x(DisasContext *ctx) } xth = tcg_temp_new_i64(); xtl = tcg_temp_new_i64(); - get_cpu_vsrh(xth, xT(ctx->opcode)); - get_cpu_vsrl(xtl, xT(ctx->opcode)); gen_set_access_type(ctx, ACCESS_INT); EA = tcg_temp_new(); gen_addr_reg_index(ctx, EA); tcg_gen_qemu_ld_i64(xth, EA, ctx->mem_idx, MO_BEQ); tcg_gen_addi_tl(EA, EA, 8); tcg_gen_qemu_ld_i64(xtl, EA, ctx->mem_idx, MO_BEQ); + set_cpu_vsrh(xT(ctx->opcode), xth); + set_cpu_vsrl(xT(ctx->opcode), xtl); tcg_temp_free(EA); tcg_temp_free_i64(xth); tcg_temp_free_i64(xtl); @@ -1338,28 +1339,8 @@ static void glue(gen_, name)(DisasContext *ctx) \ VSX_XXMRG(xxmrghw, 1) VSX_XXMRG(xxmrglw, 0) -static void xxsel_i64(TCGv_i64 t, TCGv_i64 a, TCGv_i64 b, TCGv_i64 c) -{ - tcg_gen_and_i64(b, b, c); - tcg_gen_andc_i64(a, a, c); - tcg_gen_or_i64(t, a, b); -} - -static void xxsel_vec(unsigned vece, TCGv_vec t, TCGv_vec a, - TCGv_vec b, TCGv_vec c) -{ - tcg_gen_and_vec(vece, b, b, c); - tcg_gen_andc_vec(vece, a, a, c); - tcg_gen_or_vec(vece, t, a, b); -} - static void gen_xxsel(DisasContext *ctx) { - static const GVecGen4 g = { - .fni8 = xxsel_i64, - .fniv = xxsel_vec, - .vece = MO_64, - }; int rt = xT(ctx->opcode); int ra = xA(ctx->opcode); int rb = xB(ctx->opcode); @@ -1369,8 +1350,8 @@ static void gen_xxsel(DisasContext *ctx) gen_exception(ctx, POWERPC_EXCP_VSXU); return; } - tcg_gen_gvec_4(vsr_full_offset(rt), vsr_full_offset(ra), - vsr_full_offset(rb), vsr_full_offset(rc), 16, 16, &g); + tcg_gen_gvec_bitsel(MO_64, vsr_full_offset(rt), vsr_full_offset(rc), + vsr_full_offset(rb), vsr_full_offset(ra), 16, 16); } static void gen_xxspltw(DisasContext *ctx) |