#endif /* CONFIG_FDT */
/* #define DEBUG_SPAPR */
-/* #define DEBUG_TCE */
#ifdef DEBUG_SPAPR
#define dprintf(fmt, ...) \
do { } while (0)
#endif
-static struct BusInfo spapr_vio_bus_info = {
- .name = "spapr-vio",
- .size = sizeof(VIOsPAPRBus),
- .props = (Property[]) {
- DEFINE_PROP_UINT32("irq", VIOsPAPRDevice, vio_irq_num, 0), \
- DEFINE_PROP_END_OF_LIST(),
- },
+static Property spapr_vio_props[] = {
+ DEFINE_PROP_UINT32("irq", VIOsPAPRDevice, irq, 0), \
+ DEFINE_PROP_END_OF_LIST(),
+};
+
+static const TypeInfo spapr_vio_bus_info = {
+ .name = TYPE_SPAPR_VIO_BUS,
+ .parent = TYPE_BUS,
+ .instance_size = sizeof(VIOsPAPRBus),
};
VIOsPAPRDevice *spapr_vio_find_by_reg(VIOsPAPRBus *bus, uint32_t reg)
{
- DeviceState *qdev;
+ BusChild *kid;
VIOsPAPRDevice *dev = NULL;
- QTAILQ_FOREACH(qdev, &bus->bus.children, sibling) {
- dev = (VIOsPAPRDevice *)qdev;
+ QTAILQ_FOREACH(kid, &bus->bus.children, sibling) {
+ dev = (VIOsPAPRDevice *)kid->child;
if (dev->reg == reg) {
return dev;
}
static char *vio_format_dev_name(VIOsPAPRDevice *dev)
{
- VIOsPAPRDeviceInfo *info = (VIOsPAPRDeviceInfo *)dev->qdev.info;
+ VIOsPAPRDeviceClass *pc = VIO_SPAPR_DEVICE_GET_CLASS(dev);
char *name;
/* Device tree style name device@reg */
- if (asprintf(&name, "%s@%x", info->dt_name, dev->reg) < 0) {
+ if (asprintf(&name, "%s@%x", pc->dt_name, dev->reg) < 0) {
return NULL;
}
static int vio_make_devnode(VIOsPAPRDevice *dev,
void *fdt)
{
- VIOsPAPRDeviceInfo *info = (VIOsPAPRDeviceInfo *)dev->qdev.info;
+ VIOsPAPRDeviceClass *pc = VIO_SPAPR_DEVICE_GET_CLASS(dev);
int vdevice_off, node_off, ret;
char *dt_name;
return ret;
}
- if (info->dt_type) {
+ if (pc->dt_type) {
ret = fdt_setprop_string(fdt, node_off, "device_type",
- info->dt_type);
+ pc->dt_type);
if (ret < 0) {
return ret;
}
}
- if (info->dt_compatible) {
+ if (pc->dt_compatible) {
ret = fdt_setprop_string(fdt, node_off, "compatible",
- info->dt_compatible);
+ pc->dt_compatible);
if (ret < 0) {
return ret;
}
}
- if (dev->qirq) {
- uint32_t ints_prop[] = {cpu_to_be32(dev->vio_irq_num), 0};
+ if (dev->irq) {
+ uint32_t ints_prop[] = {cpu_to_be32(dev->irq), 0};
ret = fdt_setprop(fdt, node_off, "interrupts", ints_prop,
sizeof(ints_prop));
}
}
- if (dev->rtce_window_size) {
- uint32_t dma_prop[] = {cpu_to_be32(dev->reg),
- 0, 0,
- 0, cpu_to_be32(dev->rtce_window_size)};
-
- ret = fdt_setprop_cell(fdt, node_off, "ibm,#dma-address-cells", 2);
- if (ret < 0) {
- return ret;
- }
-
- ret = fdt_setprop_cell(fdt, node_off, "ibm,#dma-size-cells", 2);
- if (ret < 0) {
- return ret;
- }
-
- ret = fdt_setprop(fdt, node_off, "ibm,my-dma-window", dma_prop,
- sizeof(dma_prop));
- if (ret < 0) {
- return ret;
- }
+ ret = spapr_tcet_dma_dt(fdt, node_off, "ibm,my-dma-window", dev->dma);
+ if (ret < 0) {
+ return ret;
}
- if (info->devnode) {
- ret = (info->devnode)(dev, fdt, node_off);
+ if (pc->devnode) {
+ ret = (pc->devnode)(dev, fdt, node_off);
if (ret < 0) {
return ret;
}
}
#endif /* CONFIG_FDT */
-/*
- * RTCE handling
- */
-
-static void rtce_init(VIOsPAPRDevice *dev)
-{
- size_t size = (dev->rtce_window_size >> SPAPR_VIO_TCE_PAGE_SHIFT)
- * sizeof(VIOsPAPR_RTCE);
-
- if (size) {
- dev->rtce_table = kvmppc_create_spapr_tce(dev->reg,
- dev->rtce_window_size,
- &dev->kvmtce_fd);
-
- if (!dev->rtce_table) {
- dev->rtce_table = g_malloc0(size);
- }
- }
-}
-
-static target_ulong h_put_tce(CPUState *env, sPAPREnvironment *spapr,
- target_ulong opcode, target_ulong *args)
-{
- target_ulong liobn = args[0];
- target_ulong ioba = args[1];
- target_ulong tce = args[2];
- VIOsPAPRDevice *dev = spapr_vio_find_by_reg(spapr->vio_bus, liobn);
- VIOsPAPR_RTCE *rtce;
-
- if (!dev) {
- hcall_dprintf("spapr_vio_put_tce on non-existent LIOBN "
- TARGET_FMT_lx "\n", liobn);
- return H_PARAMETER;
- }
-
- ioba &= ~(SPAPR_VIO_TCE_PAGE_SIZE - 1);
-
-#ifdef DEBUG_TCE
- fprintf(stderr, "spapr_vio_put_tce on %s ioba 0x" TARGET_FMT_lx
- " TCE 0x" TARGET_FMT_lx "\n", dev->qdev.id, ioba, tce);
-#endif
-
- if (ioba >= dev->rtce_window_size) {
- hcall_dprintf("spapr_vio_put_tce on out-of-boards IOBA 0x"
- TARGET_FMT_lx "\n", ioba);
- return H_PARAMETER;
- }
-
- rtce = dev->rtce_table + (ioba >> SPAPR_VIO_TCE_PAGE_SHIFT);
- rtce->tce = tce;
-
- return H_SUCCESS;
-}
-
-int spapr_vio_check_tces(VIOsPAPRDevice *dev, target_ulong ioba,
- target_ulong len, enum VIOsPAPR_TCEAccess access)
-{
- int start, end, i;
-
- start = ioba >> SPAPR_VIO_TCE_PAGE_SHIFT;
- end = (ioba + len - 1) >> SPAPR_VIO_TCE_PAGE_SHIFT;
-
- for (i = start; i <= end; i++) {
- if ((dev->rtce_table[i].tce & access) != access) {
-#ifdef DEBUG_TCE
- fprintf(stderr, "FAIL on %d\n", i);
-#endif
- return -1;
- }
- }
-
- return 0;
-}
-
-int spapr_tce_dma_write(VIOsPAPRDevice *dev, uint64_t taddr, const void *buf,
- uint32_t size)
-{
-#ifdef DEBUG_TCE
- fprintf(stderr, "spapr_tce_dma_write taddr=0x%llx size=0x%x\n",
- (unsigned long long)taddr, size);
-#endif
-
- /* Check for bypass */
- if (dev->flags & VIO_PAPR_FLAG_DMA_BYPASS) {
- cpu_physical_memory_write(taddr, buf, size);
- return 0;
- }
-
- while (size) {
- uint64_t tce;
- uint32_t lsize;
- uint64_t txaddr;
-
- /* Check if we are in bound */
- if (taddr >= dev->rtce_window_size) {
-#ifdef DEBUG_TCE
- fprintf(stderr, "spapr_tce_dma_write out of bounds\n");
-#endif
- return H_DEST_PARM;
- }
- tce = dev->rtce_table[taddr >> SPAPR_VIO_TCE_PAGE_SHIFT].tce;
-
- /* How much til end of page ? */
- lsize = MIN(size, ((~taddr) & SPAPR_VIO_TCE_PAGE_MASK) + 1);
-
- /* Check TCE */
- if (!(tce & 2)) {
- return H_DEST_PARM;
- }
-
- /* Translate */
- txaddr = (tce & ~SPAPR_VIO_TCE_PAGE_MASK) |
- (taddr & SPAPR_VIO_TCE_PAGE_MASK);
-
-#ifdef DEBUG_TCE
- fprintf(stderr, " -> write to txaddr=0x%llx, size=0x%x\n",
- (unsigned long long)txaddr, lsize);
-#endif
-
- /* Do it */
- cpu_physical_memory_write(txaddr, buf, lsize);
- buf += lsize;
- taddr += lsize;
- size -= lsize;
- }
- return 0;
-}
-
-int spapr_tce_dma_zero(VIOsPAPRDevice *dev, uint64_t taddr, uint32_t size)
-{
- /* FIXME: allocating a temp buffer is nasty, but just stepping
- * through writing zeroes is awkward. This will do for now. */
- uint8_t zeroes[size];
-
-#ifdef DEBUG_TCE
- fprintf(stderr, "spapr_tce_dma_zero taddr=0x%llx size=0x%x\n",
- (unsigned long long)taddr, size);
-#endif
-
- memset(zeroes, 0, size);
- return spapr_tce_dma_write(dev, taddr, zeroes, size);
-}
-
-void stb_tce(VIOsPAPRDevice *dev, uint64_t taddr, uint8_t val)
-{
- spapr_tce_dma_write(dev, taddr, &val, sizeof(val));
-}
-
-void sth_tce(VIOsPAPRDevice *dev, uint64_t taddr, uint16_t val)
-{
- val = tswap16(val);
- spapr_tce_dma_write(dev, taddr, &val, sizeof(val));
-}
-
-
-void stw_tce(VIOsPAPRDevice *dev, uint64_t taddr, uint32_t val)
-{
- val = tswap32(val);
- spapr_tce_dma_write(dev, taddr, &val, sizeof(val));
-}
-
-void stq_tce(VIOsPAPRDevice *dev, uint64_t taddr, uint64_t val)
-{
- val = tswap64(val);
- spapr_tce_dma_write(dev, taddr, &val, sizeof(val));
-}
-
-int spapr_tce_dma_read(VIOsPAPRDevice *dev, uint64_t taddr, void *buf,
- uint32_t size)
-{
-#ifdef DEBUG_TCE
- fprintf(stderr, "spapr_tce_dma_write taddr=0x%llx size=0x%x\n",
- (unsigned long long)taddr, size);
-#endif
-
- /* Check for bypass */
- if (dev->flags & VIO_PAPR_FLAG_DMA_BYPASS) {
- cpu_physical_memory_read(taddr, buf, size);
- return 0;
- }
-
- while (size) {
- uint64_t tce;
- uint32_t lsize;
- uint64_t txaddr;
-
- /* Check if we are in bound */
- if (taddr >= dev->rtce_window_size) {
-#ifdef DEBUG_TCE
- fprintf(stderr, "spapr_tce_dma_read out of bounds\n");
-#endif
- return H_DEST_PARM;
- }
- tce = dev->rtce_table[taddr >> SPAPR_VIO_TCE_PAGE_SHIFT].tce;
-
- /* How much til end of page ? */
- lsize = MIN(size, ((~taddr) & SPAPR_VIO_TCE_PAGE_MASK) + 1);
-
- /* Check TCE */
- if (!(tce & 1)) {
- return H_DEST_PARM;
- }
-
- /* Translate */
- txaddr = (tce & ~SPAPR_VIO_TCE_PAGE_MASK) |
- (taddr & SPAPR_VIO_TCE_PAGE_MASK);
-
-#ifdef DEBUG_TCE
- fprintf(stderr, " -> write to txaddr=0x%llx, size=0x%x\n",
- (unsigned long long)txaddr, lsize);
-#endif
- /* Do it */
- cpu_physical_memory_read(txaddr, buf, lsize);
- buf += lsize;
- taddr += lsize;
- size -= lsize;
- }
- return H_SUCCESS;
-}
-
-uint64_t ldq_tce(VIOsPAPRDevice *dev, uint64_t taddr)
-{
- uint64_t val;
-
- spapr_tce_dma_read(dev, taddr, &val, sizeof(val));
- return tswap64(val);
-}
-
/*
* CRQ handling
*/
-static target_ulong h_reg_crq(CPUState *env, sPAPREnvironment *spapr,
+static target_ulong h_reg_crq(PowerPCCPU *cpu, sPAPREnvironment *spapr,
target_ulong opcode, target_ulong *args)
{
target_ulong reg = args[0];
VIOsPAPRDevice *dev = spapr_vio_find_by_reg(spapr->vio_bus, reg);
if (!dev) {
- hcall_dprintf("h_reg_crq on non-existent unit 0x"
- TARGET_FMT_lx "\n", reg);
+ hcall_dprintf("Unit 0x" TARGET_FMT_lx " does not exist\n", reg);
return H_PARAMETER;
}
/* We can't grok a queue size bigger than 256M for now */
if (queue_len < 0x1000 || queue_len > 0x10000000) {
- hcall_dprintf("h_reg_crq, queue size too small or too big (0x%llx)\n",
- (unsigned long long)queue_len);
+ hcall_dprintf("Queue size too small or too big (0x" TARGET_FMT_lx
+ ")\n", queue_len);
return H_PARAMETER;
}
/* Check queue alignment */
if (queue_addr & 0xfff) {
- hcall_dprintf("h_reg_crq, queue not aligned (0x%llx)\n",
- (unsigned long long)queue_addr);
+ hcall_dprintf("Queue not aligned (0x" TARGET_FMT_lx ")\n", queue_addr);
return H_PARAMETER;
}
/* Check if device supports CRQs */
if (!dev->crq.SendFunc) {
+ hcall_dprintf("Device does not support CRQ\n");
return H_NOT_FOUND;
}
-
/* Already a queue ? */
if (dev->crq.qsize) {
+ hcall_dprintf("CRQ already registered\n");
return H_RESOURCE;
}
dev->crq.qladdr = queue_addr;
return H_SUCCESS;
}
-static target_ulong h_free_crq(CPUState *env, sPAPREnvironment *spapr,
+static target_ulong free_crq(VIOsPAPRDevice *dev)
+{
+ dev->crq.qladdr = 0;
+ dev->crq.qsize = 0;
+ dev->crq.qnext = 0;
+
+ dprintf("CRQ for dev 0x%" PRIx32 " freed\n", dev->reg);
+
+ return H_SUCCESS;
+}
+
+static target_ulong h_free_crq(PowerPCCPU *cpu, sPAPREnvironment *spapr,
target_ulong opcode, target_ulong *args)
{
target_ulong reg = args[0];
VIOsPAPRDevice *dev = spapr_vio_find_by_reg(spapr->vio_bus, reg);
if (!dev) {
- hcall_dprintf("h_free_crq on non-existent unit 0x"
- TARGET_FMT_lx "\n", reg);
+ hcall_dprintf("Unit 0x" TARGET_FMT_lx " does not exist\n", reg);
return H_PARAMETER;
}
- dev->crq.qladdr = 0;
- dev->crq.qsize = 0;
- dev->crq.qnext = 0;
-
- dprintf("CRQ for dev 0x" TARGET_FMT_lx " freed\n", reg);
-
- return H_SUCCESS;
+ return free_crq(dev);
}
-static target_ulong h_send_crq(CPUState *env, sPAPREnvironment *spapr,
+static target_ulong h_send_crq(PowerPCCPU *cpu, sPAPREnvironment *spapr,
target_ulong opcode, target_ulong *args)
{
target_ulong reg = args[0];
uint64_t crq_mangle[2];
if (!dev) {
- hcall_dprintf("h_send_crq on non-existent unit 0x"
- TARGET_FMT_lx "\n", reg);
+ hcall_dprintf("Unit 0x" TARGET_FMT_lx " does not exist\n", reg);
return H_PARAMETER;
}
crq_mangle[0] = cpu_to_be64(msg_hi);
return H_HARDWARE;
}
-static target_ulong h_enable_crq(CPUState *env, sPAPREnvironment *spapr,
+static target_ulong h_enable_crq(PowerPCCPU *cpu, sPAPREnvironment *spapr,
target_ulong opcode, target_ulong *args)
{
target_ulong reg = args[0];
VIOsPAPRDevice *dev = spapr_vio_find_by_reg(spapr->vio_bus, reg);
if (!dev) {
- hcall_dprintf("h_enable_crq on non-existent unit 0x"
- TARGET_FMT_lx "\n", reg);
+ hcall_dprintf("Unit 0x" TARGET_FMT_lx " does not exist\n", reg);
return H_PARAMETER;
}
}
/* Maybe do a fast path for KVM just writing to the pages */
- rc = spapr_tce_dma_read(dev, dev->crq.qladdr + dev->crq.qnext, &byte, 1);
+ rc = spapr_vio_dma_read(dev, dev->crq.qladdr + dev->crq.qnext, &byte, 1);
if (rc) {
return rc;
}
return 1;
}
- rc = spapr_tce_dma_write(dev, dev->crq.qladdr + dev->crq.qnext + 8,
+ rc = spapr_vio_dma_write(dev, dev->crq.qladdr + dev->crq.qnext + 8,
&crq[8], 8);
if (rc) {
return rc;
kvmppc_eieio();
- rc = spapr_tce_dma_write(dev, dev->crq.qladdr + dev->crq.qnext, crq, 8);
+ rc = spapr_vio_dma_write(dev, dev->crq.qladdr + dev->crq.qnext, crq, 8);
if (rc) {
return rc;
}
dev->crq.qnext = (dev->crq.qnext + 16) % dev->crq.qsize;
if (dev->signal_state & 1) {
- qemu_irq_pulse(dev->qirq);
+ qemu_irq_pulse(spapr_vio_qirq(dev));
}
return 0;
static void spapr_vio_quiesce_one(VIOsPAPRDevice *dev)
{
- dev->flags &= ~VIO_PAPR_FLAG_DMA_BYPASS;
-
- if (dev->rtce_table) {
- size_t size = (dev->rtce_window_size >> SPAPR_VIO_TCE_PAGE_SHIFT)
- * sizeof(VIOsPAPR_RTCE);
- memset(dev->rtce_table, 0, size);
+ if (dev->dma) {
+ spapr_tce_reset(dev->dma);
}
-
- dev->crq.qladdr = 0;
- dev->crq.qsize = 0;
- dev->crq.qnext = 0;
+ free_crq(dev);
}
static void rtas_set_tce_bypass(sPAPREnvironment *spapr, uint32_t token,
rtas_st(rets, 0, -3);
return;
}
- if (enable) {
- dev->flags |= VIO_PAPR_FLAG_DMA_BYPASS;
- } else {
- dev->flags &= ~VIO_PAPR_FLAG_DMA_BYPASS;
+
+ if (!dev->dma) {
+ rtas_st(rets, 0, -3);
+ return;
}
+ spapr_tce_set_bypass(dev->dma, !!enable);
+
rtas_st(rets, 0, 0);
}
uint32_t nret, target_ulong rets)
{
VIOsPAPRBus *bus = spapr->vio_bus;
- DeviceState *qdev;
+ BusChild *kid;
VIOsPAPRDevice *dev = NULL;
if (nargs != 0) {
return;
}
- QTAILQ_FOREACH(qdev, &bus->bus.children, sibling) {
- dev = (VIOsPAPRDevice *)qdev;
+ QTAILQ_FOREACH(kid, &bus->bus.children, sibling) {
+ dev = (VIOsPAPRDevice *)kid->child;
spapr_vio_quiesce_one(dev);
}
rtas_st(rets, 0, 0);
}
-static int spapr_vio_busdev_init(DeviceState *qdev, DeviceInfo *qinfo)
+static VIOsPAPRDevice *reg_conflict(VIOsPAPRDevice *dev)
+{
+ VIOsPAPRBus *bus = DO_UPCAST(VIOsPAPRBus, bus, dev->qdev.parent_bus);
+ BusChild *kid;
+ VIOsPAPRDevice *other;
+
+ /*
+ * Check for a device other than the given one which is already
+ * using the requested address. We have to open code this because
+ * the given dev might already be in the list.
+ */
+ QTAILQ_FOREACH(kid, &bus->bus.children, sibling) {
+ other = DO_UPCAST(VIOsPAPRDevice, qdev, kid->child);
+
+ if (other != dev && other->reg == dev->reg) {
+ return other;
+ }
+ }
+
+ return 0;
+}
+
+static void spapr_vio_busdev_reset(DeviceState *qdev)
+{
+ VIOsPAPRDevice *dev = DO_UPCAST(VIOsPAPRDevice, qdev, qdev);
+ VIOsPAPRDeviceClass *pc = VIO_SPAPR_DEVICE_GET_CLASS(dev);
+
+ /* Shut down the request queue and TCEs if necessary */
+ spapr_vio_quiesce_one(dev);
+
+ dev->signal_state = 0;
+
+ if (pc->reset) {
+ pc->reset(dev);
+ }
+}
+
+static int spapr_vio_busdev_init(DeviceState *qdev)
{
- VIOsPAPRDeviceInfo *info = (VIOsPAPRDeviceInfo *)qinfo;
VIOsPAPRDevice *dev = (VIOsPAPRDevice *)qdev;
+ VIOsPAPRDeviceClass *pc = VIO_SPAPR_DEVICE_GET_CLASS(dev);
char *id;
+ if (dev->reg != -1) {
+ /*
+ * Explicitly assigned address, just verify that no-one else
+ * is using it. other mechanism). We have to open code this
+ * rather than using spapr_vio_find_by_reg() because sdev
+ * itself is already in the list.
+ */
+ VIOsPAPRDevice *other = reg_conflict(dev);
+
+ if (other) {
+ fprintf(stderr, "vio: %s and %s devices conflict at address %#x\n",
+ object_get_typename(OBJECT(qdev)),
+ object_get_typename(OBJECT(&other->qdev)),
+ dev->reg);
+ return -1;
+ }
+ } else {
+ /* Need to assign an address */
+ VIOsPAPRBus *bus = DO_UPCAST(VIOsPAPRBus, bus, dev->qdev.parent_bus);
+
+ do {
+ dev->reg = bus->next_reg++;
+ } while (reg_conflict(dev));
+ }
+
/* Don't overwrite ids assigned on the command line */
if (!dev->qdev.id) {
id = vio_format_dev_name(dev);
dev->qdev.id = id;
}
- dev->qirq = spapr_allocate_irq(dev->vio_irq_num, &dev->vio_irq_num);
- if (!dev->qirq) {
+ dev->irq = spapr_allocate_msi(dev->irq);
+ if (!dev->irq) {
return -1;
}
- rtce_init(dev);
-
- return info->init(dev);
-}
-
-void spapr_vio_bus_register_withprop(VIOsPAPRDeviceInfo *info)
-{
- info->qdev.init = spapr_vio_busdev_init;
- info->qdev.bus_info = &spapr_vio_bus_info;
+ if (pc->rtce_window_size) {
+ uint32_t liobn = SPAPR_VIO_BASE_LIOBN | dev->reg;
+ dev->dma = spapr_tce_new_dma_context(liobn, pc->rtce_window_size);
+ }
- assert(info->qdev.size >= sizeof(VIOsPAPRDevice));
- qdev_register(&info->qdev);
+ return pc->init(dev);
}
-static target_ulong h_vio_signal(CPUState *env, sPAPREnvironment *spapr,
+static target_ulong h_vio_signal(PowerPCCPU *cpu, sPAPREnvironment *spapr,
target_ulong opcode,
target_ulong *args)
{
target_ulong reg = args[0];
target_ulong mode = args[1];
VIOsPAPRDevice *dev = spapr_vio_find_by_reg(spapr->vio_bus, reg);
- VIOsPAPRDeviceInfo *info;
+ VIOsPAPRDeviceClass *pc;
if (!dev) {
return H_PARAMETER;
}
- info = (VIOsPAPRDeviceInfo *)dev->qdev.info;
+ pc = VIO_SPAPR_DEVICE_GET_CLASS(dev);
- if (mode & ~info->signal_mask) {
+ if (mode & ~pc->signal_mask) {
return H_PARAMETER;
}
VIOsPAPRBus *bus;
BusState *qbus;
DeviceState *dev;
- DeviceInfo *qinfo;
/* Create bridge device */
dev = qdev_create(NULL, "spapr-vio-bridge");
/* Create bus on bridge device */
- qbus = qbus_create(&spapr_vio_bus_info, dev, "spapr-vio");
+ qbus = qbus_create(TYPE_SPAPR_VIO_BUS, dev, "spapr-vio");
bus = DO_UPCAST(VIOsPAPRBus, bus, qbus);
+ bus->next_reg = 0x1000;
/* hcall-vio */
spapr_register_hypercall(H_VIO_SIGNAL, h_vio_signal);
- /* hcall-tce */
- spapr_register_hypercall(H_PUT_TCE, h_put_tce);
-
/* hcall-crq */
spapr_register_hypercall(H_REG_CRQ, h_reg_crq);
spapr_register_hypercall(H_FREE_CRQ, h_free_crq);
spapr_rtas_register("ibm,set-tce-bypass", rtas_set_tce_bypass);
spapr_rtas_register("quiesce", rtas_quiesce);
- for (qinfo = device_info_list; qinfo; qinfo = qinfo->next) {
- VIOsPAPRDeviceInfo *info = (VIOsPAPRDeviceInfo *)qinfo;
-
- if (qinfo->bus_info != &spapr_vio_bus_info) {
- continue;
- }
-
- if (info->hcalls) {
- info->hcalls(bus);
- }
- }
-
return bus;
}
return 0;
}
-static SysBusDeviceInfo spapr_vio_bridge_info = {
- .init = spapr_vio_bridge_init,
- .qdev.name = "spapr-vio-bridge",
- .qdev.size = sizeof(SysBusDevice),
- .qdev.no_user = 1,
+static void spapr_vio_bridge_class_init(ObjectClass *klass, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(klass);
+ SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
+
+ k->init = spapr_vio_bridge_init;
+ dc->no_user = 1;
+}
+
+static TypeInfo spapr_vio_bridge_info = {
+ .name = "spapr-vio-bridge",
+ .parent = TYPE_SYS_BUS_DEVICE,
+ .instance_size = sizeof(SysBusDevice),
+ .class_init = spapr_vio_bridge_class_init,
+};
+
+static void vio_spapr_device_class_init(ObjectClass *klass, void *data)
+{
+ DeviceClass *k = DEVICE_CLASS(klass);
+ k->init = spapr_vio_busdev_init;
+ k->reset = spapr_vio_busdev_reset;
+ k->bus_type = TYPE_SPAPR_VIO_BUS;
+ k->props = spapr_vio_props;
+}
+
+static TypeInfo spapr_vio_type_info = {
+ .name = TYPE_VIO_SPAPR_DEVICE,
+ .parent = TYPE_DEVICE,
+ .instance_size = sizeof(VIOsPAPRDevice),
+ .abstract = true,
+ .class_size = sizeof(VIOsPAPRDeviceClass),
+ .class_init = vio_spapr_device_class_init,
};
-static void spapr_vio_register_devices(void)
+static void spapr_vio_register_types(void)
{
- sysbus_register_withprop(&spapr_vio_bridge_info);
+ type_register_static(&spapr_vio_bus_info);
+ type_register_static(&spapr_vio_bridge_info);
+ type_register_static(&spapr_vio_type_info);
}
-device_init(spapr_vio_register_devices)
+type_init(spapr_vio_register_types)
#ifdef CONFIG_FDT
+static int compare_reg(const void *p1, const void *p2)
+{
+ VIOsPAPRDevice const *dev1, *dev2;
+
+ dev1 = (VIOsPAPRDevice *)*(DeviceState **)p1;
+ dev2 = (VIOsPAPRDevice *)*(DeviceState **)p2;
+
+ if (dev1->reg < dev2->reg) {
+ return -1;
+ }
+ if (dev1->reg == dev2->reg) {
+ return 0;
+ }
+
+ /* dev1->reg > dev2->reg */
+ return 1;
+}
+
int spapr_populate_vdevice(VIOsPAPRBus *bus, void *fdt)
{
- DeviceState *qdev;
- int ret = 0;
+ DeviceState *qdev, **qdevs;
+ BusChild *kid;
+ int i, num, ret = 0;
+
+ /* Count qdevs on the bus list */
+ num = 0;
+ QTAILQ_FOREACH(kid, &bus->bus.children, sibling) {
+ num++;
+ }
+
+ /* Copy out into an array of pointers */
+ qdevs = g_malloc(sizeof(qdev) * num);
+ num = 0;
+ QTAILQ_FOREACH(kid, &bus->bus.children, sibling) {
+ qdevs[num++] = kid->child;
+ }
+
+ /* Sort the array */
+ qsort(qdevs, num, sizeof(qdev), compare_reg);
- QTAILQ_FOREACH(qdev, &bus->bus.children, sibling) {
- VIOsPAPRDevice *dev = (VIOsPAPRDevice *)qdev;
+ /* Hack alert. Give the devices to libfdt in reverse order, we happen
+ * 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]);
ret = vio_make_devnode(dev, fdt);
if (ret < 0) {
- return ret;
+ goto out;
}
}
- return 0;
+ ret = 0;
+out:
+ free(qdevs);
+
+ return ret;
+}
+
+int spapr_populate_chosen_stdout(void *fdt, 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;
+ }
+
+ name = vio_format_dev_name(dev);
+ if (!name) {
+ return -ENOMEM;
+ }
+
+ if (asprintf(&path, "/vdevice/%s", name) < 0) {
+ path = NULL;
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ ret = fdt_setprop_string(fdt, offset, "linux,stdout-path", path);
+out:
+ free(name);
+ free(path);
+
+ return ret;
}
#endif /* CONFIG_FDT */
projects / qemu.git / blobdiff