X-Git-Url: https://repo.jachan.dev/qemu.git/blobdiff_plain/0d75590d919454be322f21d55494b8937651fc86..6f153ceb9bb8233dd3887320737aba90554ddd70:/hw/ppc/spapr_vio.c diff --git a/hw/ppc/spapr_vio.c b/hw/ppc/spapr_vio.c index ac6666a90b..a0ee4fd265 100644 --- a/hw/ppc/spapr_vio.c +++ b/hw/ppc/spapr_vio.c @@ -20,7 +20,10 @@ */ #include "qemu/osdep.h" +#include "qemu/error-report.h" +#include "qapi/error.h" #include "hw/hw.h" +#include "qemu/log.h" #include "sysemu/sysemu.h" #include "hw/boards.h" #include "hw/loader.h" @@ -33,19 +36,11 @@ #include "hw/ppc/spapr.h" #include "hw/ppc/spapr_vio.h" #include "hw/ppc/xics.h" +#include "hw/ppc/fdt.h" +#include "trace.h" #include -/* #define DEBUG_SPAPR */ - -#ifdef DEBUG_SPAPR -#define DPRINTF(fmt, ...) \ - do { fprintf(stderr, fmt, ## __VA_ARGS__); } while (0) -#else -#define DPRINTF(fmt, ...) \ - do { } while (0) -#endif - static Property spapr_vio_props[] = { DEFINE_PROP_UINT32("irq", VIOsPAPRDevice, irq, 0), \ DEFINE_PROP_END_OF_LIST(), @@ -55,12 +50,9 @@ static char *spapr_vio_get_dev_name(DeviceState *qdev) { VIOsPAPRDevice *dev = VIO_SPAPR_DEVICE(qdev); VIOsPAPRDeviceClass *pc = VIO_SPAPR_DEVICE_GET_CLASS(dev); - char *name; /* Device tree style name device@reg */ - name = g_strdup_printf("%s@%x", pc->dt_name, dev->reg); - - return name; + return g_strdup_printf("%s@%x", pc->dt_name, dev->reg); } static void spapr_vio_bus_class_init(ObjectClass *klass, void *data) @@ -202,9 +194,7 @@ static target_ulong h_reg_crq(PowerPCCPU *cpu, sPAPRMachineState *spapr, dev->crq.qsize = queue_len; dev->crq.qnext = 0; - DPRINTF("CRQ for dev 0x" TARGET_FMT_lx " registered at 0x" - TARGET_FMT_lx "/0x" TARGET_FMT_lx "\n", - reg, queue_addr, queue_len); + trace_spapr_vio_h_reg_crq(reg, queue_addr, queue_len); return H_SUCCESS; } @@ -214,7 +204,7 @@ static target_ulong free_crq(VIOsPAPRDevice *dev) dev->crq.qsize = 0; dev->crq.qnext = 0; - DPRINTF("CRQ for dev 0x%" PRIx32 " freed\n", dev->reg); + trace_spapr_vio_free_crq(dev->reg); return H_SUCCESS; } @@ -277,7 +267,7 @@ int spapr_vio_send_crq(VIOsPAPRDevice *dev, uint8_t *crq) uint8_t byte; if (!dev->crq.qsize) { - fprintf(stderr, "spapr_vio_send_creq on uninitialized queue\n"); + error_report("spapr_vio_send_creq on uninitialized queue"); return -1; } @@ -431,6 +421,7 @@ static void spapr_vio_busdev_realize(DeviceState *qdev, Error **errp) VIOsPAPRDevice *dev = (VIOsPAPRDevice *)qdev; VIOsPAPRDeviceClass *pc = VIO_SPAPR_DEVICE_GET_CLASS(dev); char *id; + Error *local_err = NULL; if (dev->reg != -1) { /* @@ -463,9 +454,9 @@ static void spapr_vio_busdev_realize(DeviceState *qdev, Error **errp) dev->qdev.id = id; } - dev->irq = xics_alloc(spapr->icp, 0, dev->irq, false); - if (!dev->irq) { - error_setg(errp, "can't allocate IRQ"); + dev->irq = spapr_ics_alloc(spapr->ics, dev->irq, false, &local_err); + if (local_err) { + error_propagate(errp, local_err); return; } @@ -480,11 +471,9 @@ static void spapr_vio_busdev_realize(DeviceState *qdev, Error **errp) memory_region_add_subregion_overlap(&dev->mrroot, 0, &dev->mrbypass, 1); address_space_init(&dev->as, &dev->mrroot, qdev->id); - dev->tcet = spapr_tce_new_table(qdev, liobn, - 0, - SPAPR_TCE_PAGE_SHIFT, - pc->rtce_window_size >> - SPAPR_TCE_PAGE_SHIFT, false); + dev->tcet = spapr_tce_new_table(qdev, liobn); + spapr_tce_table_enable(dev->tcet, SPAPR_TCE_PAGE_SHIFT, 0, + pc->rtce_window_size >> SPAPR_TCE_PAGE_SHIFT); dev->tcet->vdev = dev; memory_region_add_subregion_overlap(&dev->mrroot, 0, spapr_tce_get_iommu(dev->tcet), 2); @@ -549,21 +538,11 @@ VIOsPAPRBus *spapr_vio_bus_init(void) return bus; } -/* Represents sPAPR hcall VIO devices */ - -static int spapr_vio_bridge_init(SysBusDevice *dev) -{ - /* nothing */ - return 0; -} - static void spapr_vio_bridge_class_init(ObjectClass *klass, void *data) { - SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass); DeviceClass *dc = DEVICE_CLASS(klass); dc->fw_name = "vdevice"; - k->init = spapr_vio_bridge_init; } static const TypeInfo spapr_vio_bridge_info = { @@ -582,7 +561,7 @@ const VMStateDescription vmstate_spapr_vio = { VMSTATE_UINT32_EQUAL(irq, VIOsPAPRDevice), /* General VIO device state */ - VMSTATE_UINTTL(signal_state, VIOsPAPRDevice), + VMSTATE_UINT64(signal_state, VIOsPAPRDevice), VMSTATE_UINT64(crq.qladdr, VIOsPAPRDevice), VMSTATE_UINT32(crq.qsize, VIOsPAPRDevice), VMSTATE_UINT32(crq.qnext, VIOsPAPRDevice), @@ -636,11 +615,21 @@ static int compare_reg(const void *p1, const void *p2) return 1; } -int spapr_populate_vdevice(VIOsPAPRBus *bus, void *fdt) +void spapr_dt_vdevice(VIOsPAPRBus *bus, void *fdt) { DeviceState *qdev, **qdevs; BusChild *kid; int i, num, ret = 0; + int node; + + _FDT(node = fdt_add_subnode(fdt, 0, "vdevice")); + + _FDT(fdt_setprop_string(fdt, node, "device_type", "vdevice")); + _FDT(fdt_setprop_string(fdt, node, "compatible", "IBM,vdevice")); + _FDT(fdt_setprop_cell(fdt, node, "#address-cells", 1)); + _FDT(fdt_setprop_cell(fdt, node, "#size-cells", 0)); + _FDT(fdt_setprop_cell(fdt, node, "#interrupt-cells", 2)); + _FDT(fdt_setprop(fdt, node, "interrupt-controller", NULL, 0)); /* Count qdevs on the bus list */ num = 0; @@ -662,43 +651,32 @@ int spapr_populate_vdevice(VIOsPAPRBus *bus, void *fdt) * to know that will mean they are in forward order in the tree. */ for (i = num - 1; i >= 0; i--) { VIOsPAPRDevice *dev = (VIOsPAPRDevice *)(qdevs[i]); + VIOsPAPRDeviceClass *vdc = VIO_SPAPR_DEVICE_GET_CLASS(dev); ret = vio_make_devnode(dev, fdt); - if (ret < 0) { - goto out; + error_report("Couldn't create device node /vdevice/%s@%"PRIx32, + vdc->dt_name, dev->reg); + exit(1); } } - ret = 0; -out: g_free(qdevs); - - return ret; } -int spapr_populate_chosen_stdout(void *fdt, VIOsPAPRBus *bus) +gchar *spapr_vio_stdout_path(VIOsPAPRBus *bus) { VIOsPAPRDevice *dev; char *name, *path; - int ret, offset; dev = spapr_vty_get_default(bus); - if (!dev) - return 0; - - offset = fdt_path_offset(fdt, "/chosen"); - if (offset < 0) { - return offset; + if (!dev) { + return NULL; } name = spapr_vio_get_dev_name(DEVICE(dev)); path = g_strdup_printf("/vdevice/%s", name); - ret = fdt_setprop_string(fdt, offset, "linux,stdout-path", path); - g_free(name); - g_free(path); - - return ret; + return path; }