* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
-#include "hw.h"
-#include "pci.h"
-#include "msi.h"
-#include "msix.h"
-#include "pci_host.h"
+#include "hw/hw.h"
+#include "hw/pci/pci.h"
+#include "hw/pci/msi.h"
+#include "hw/pci/msix.h"
+#include "hw/pci/pci_host.h"
#include "hw/spapr.h"
#include "hw/spapr_pci.h"
-#include "exec-memory.h"
+#include "exec/address-spaces.h"
#include <libfdt.h>
#include "trace.h"
-#include "hw/pci_internals.h"
+#include "hw/pci/pci_bus.h"
/* Copied from the kernel arch/powerpc/platforms/pseries/msi.c */
#define RTAS_QUERY_FN 0
static sPAPRPHBState *find_phb(sPAPREnvironment *spapr, uint64_t buid)
{
- sPAPRPHBState *phb;
+ sPAPRPHBState *sphb;
- QLIST_FOREACH(phb, &spapr->phbs, list) {
- if (phb->buid != buid) {
+ QLIST_FOREACH(sphb, &spapr->phbs, list) {
+ if (sphb->buid != buid) {
continue;
}
- return phb;
+ return sphb;
}
return NULL;
static PCIDevice *find_dev(sPAPREnvironment *spapr, uint64_t buid,
uint32_t config_addr)
{
- sPAPRPHBState *phb = find_phb(spapr, buid);
+ sPAPRPHBState *sphb = find_phb(spapr, buid);
+ PCIHostState *phb = PCI_HOST_BRIDGE(sphb);
+ BusState *bus = BUS(phb->bus);
BusChild *kid;
int devfn = (config_addr >> 8) & 0xFF;
return NULL;
}
- QTAILQ_FOREACH(kid, &phb->host_state.bus->qbus.children, sibling) {
+ QTAILQ_FOREACH(kid, &bus->children, sibling) {
PCIDevice *dev = (PCIDevice *)kid->child;
if (dev->devfn == devfn) {
return dev;
* This is required for msi_notify()/msix_notify() which
* will write at the addresses via spapr_msi_write().
*/
-static void spapr_msi_setmsg(PCIDevice *pdev, target_phys_addr_t addr,
+static void spapr_msi_setmsg(PCIDevice *pdev, hwaddr addr,
bool msix, unsigned req_num)
{
unsigned i;
/* There is no cached config, allocate MSIs */
if (!phb->msi_table[ndev].nvec) {
- irq = spapr_allocate_irq_block(req_num, XICS_MSI);
+ irq = spapr_allocate_irq_block(req_num, false);
if (irq < 0) {
fprintf(stderr, "Cannot allocate MSIs for device#%d", ndev);
rtas_st(rets, 0, -1); /* Hardware error */
*/
sPAPRPHBState *phb = opaque;
- trace_spapr_pci_lsi_set(phb->busname, irq_num, phb->lsi_table[irq_num].irq);
+ trace_spapr_pci_lsi_set(phb->dtbusname, irq_num, phb->lsi_table[irq_num].irq);
qemu_set_irq(spapr_phb_lsi_qirq(phb, irq_num), level);
}
-static uint64_t spapr_io_read(void *opaque, target_phys_addr_t addr,
+static uint64_t spapr_io_read(void *opaque, hwaddr addr,
unsigned size)
{
switch (size) {
assert(0);
}
-static void spapr_io_write(void *opaque, target_phys_addr_t addr,
+static void spapr_io_write(void *opaque, hwaddr addr,
uint64_t data, unsigned size)
{
switch (size) {
* data is set to 0.
* For MSI, the vector number is encoded in least bits in data.
*/
-static void spapr_msi_write(void *opaque, target_phys_addr_t addr,
+static void spapr_msi_write(void *opaque, hwaddr addr,
uint64_t data, unsigned size)
{
sPAPRPHBState *phb = opaque;
static int spapr_phb_init(SysBusDevice *s)
{
- sPAPRPHBState *phb = DO_UPCAST(sPAPRPHBState, host_state.busdev, s);
+ sPAPRPHBState *sphb = SPAPR_PCI_HOST_BRIDGE(s);
+ PCIHostState *phb = PCI_HOST_BRIDGE(s);
char *namebuf;
int i;
PCIBus *bus;
- phb->dtbusname = g_strdup_printf("pci@%" PRIx64, phb->buid);
- namebuf = alloca(strlen(phb->dtbusname) + 32);
+ if (sphb->index != -1) {
+ hwaddr windows_base;
+
+ if ((sphb->buid != -1) || (sphb->dma_liobn != -1)
+ || (sphb->mem_win_addr != -1)
+ || (sphb->io_win_addr != -1)
+ || (sphb->msi_win_addr != -1)) {
+ fprintf(stderr, "Either \"index\" or other parameters must"
+ " be specified for PAPR PHB, not both\n");
+ return -1;
+ }
+
+ sphb->buid = SPAPR_PCI_BASE_BUID + sphb->index;
+ sphb->dma_liobn = SPAPR_PCI_BASE_LIOBN + sphb->index;
+
+ windows_base = SPAPR_PCI_WINDOW_BASE
+ + sphb->index * SPAPR_PCI_WINDOW_SPACING;
+ sphb->mem_win_addr = windows_base + SPAPR_PCI_MMIO_WIN_OFF;
+ sphb->io_win_addr = windows_base + SPAPR_PCI_IO_WIN_OFF;
+ sphb->msi_win_addr = windows_base + SPAPR_PCI_MSI_WIN_OFF;
+ }
+
+ if (sphb->buid == -1) {
+ fprintf(stderr, "BUID not specified for PHB\n");
+ return -1;
+ }
+
+ if (sphb->dma_liobn == -1) {
+ fprintf(stderr, "LIOBN not specified for PHB\n");
+ return -1;
+ }
+
+ if (sphb->mem_win_addr == -1) {
+ fprintf(stderr, "Memory window address not specified for PHB\n");
+ return -1;
+ }
+
+ if (sphb->io_win_addr == -1) {
+ fprintf(stderr, "IO window address not specified for PHB\n");
+ return -1;
+ }
+
+ if (sphb->msi_win_addr == -1) {
+ fprintf(stderr, "MSI window address not specified for PHB\n");
+ return -1;
+ }
+
+ if (find_phb(spapr, sphb->buid)) {
+ fprintf(stderr, "PCI host bridges must have unique BUIDs\n");
+ return -1;
+ }
+
+ sphb->dtbusname = g_strdup_printf("pci@%" PRIx64, sphb->buid);
+ if (!sphb->busname) {
+ sphb->busname = sphb->dtbusname;
+ }
+
+ namebuf = alloca(strlen(sphb->dtbusname) + 32);
/* Initialize memory regions */
- sprintf(namebuf, "%s.mmio", phb->dtbusname);
- memory_region_init(&phb->memspace, namebuf, INT64_MAX);
+ sprintf(namebuf, "%s.mmio", sphb->dtbusname);
+ memory_region_init(&sphb->memspace, namebuf, INT64_MAX);
- sprintf(namebuf, "%s.mmio-alias", phb->dtbusname);
- memory_region_init_alias(&phb->memwindow, namebuf, &phb->memspace,
- SPAPR_PCI_MEM_WIN_BUS_OFFSET, phb->mem_win_size);
- memory_region_add_subregion(get_system_memory(), phb->mem_win_addr,
- &phb->memwindow);
+ sprintf(namebuf, "%s.mmio-alias", sphb->dtbusname);
+ memory_region_init_alias(&sphb->memwindow, namebuf, &sphb->memspace,
+ SPAPR_PCI_MEM_WIN_BUS_OFFSET, sphb->mem_win_size);
+ memory_region_add_subregion(get_system_memory(), sphb->mem_win_addr,
+ &sphb->memwindow);
/* On ppc, we only have MMIO no specific IO space from the CPU
* perspective. In theory we ought to be able to embed the PCI IO
* system io address space. This hack to bounce things via
* system_io works around the problem until all the users of
* old_portion are updated */
- sprintf(namebuf, "%s.io", phb->dtbusname);
- memory_region_init(&phb->iospace, namebuf, SPAPR_PCI_IO_WIN_SIZE);
+ sprintf(namebuf, "%s.io", sphb->dtbusname);
+ memory_region_init(&sphb->iospace, namebuf, SPAPR_PCI_IO_WIN_SIZE);
/* FIXME: fix to support multiple PHBs */
- memory_region_add_subregion(get_system_io(), 0, &phb->iospace);
+ memory_region_add_subregion(get_system_io(), 0, &sphb->iospace);
- sprintf(namebuf, "%s.io-alias", phb->dtbusname);
- memory_region_init_io(&phb->iowindow, &spapr_io_ops, phb,
+ sprintf(namebuf, "%s.io-alias", sphb->dtbusname);
+ memory_region_init_io(&sphb->iowindow, &spapr_io_ops, sphb,
namebuf, SPAPR_PCI_IO_WIN_SIZE);
- memory_region_add_subregion(get_system_memory(), phb->io_win_addr,
- &phb->iowindow);
+ memory_region_add_subregion(get_system_memory(), sphb->io_win_addr,
+ &sphb->iowindow);
/* As MSI/MSIX interrupts trigger by writing at MSI/MSIX vectors,
* we need to allocate some memory to catch those writes coming
* from msi_notify()/msix_notify() */
if (msi_supported) {
- sprintf(namebuf, "%s.msi", phb->dtbusname);
- memory_region_init_io(&phb->msiwindow, &spapr_msi_ops, phb,
+ sprintf(namebuf, "%s.msi", sphb->dtbusname);
+ memory_region_init_io(&sphb->msiwindow, &spapr_msi_ops, sphb,
namebuf, SPAPR_MSIX_MAX_DEVS * 0x10000);
- memory_region_add_subregion(get_system_memory(), phb->msi_win_addr,
- &phb->msiwindow);
+ memory_region_add_subregion(get_system_memory(), sphb->msi_win_addr,
+ &sphb->msiwindow);
}
- bus = pci_register_bus(&phb->host_state.busdev.qdev,
- phb->busname ? phb->busname : phb->dtbusname,
- pci_spapr_set_irq, pci_spapr_map_irq, phb,
- &phb->memspace, &phb->iospace,
+ bus = pci_register_bus(DEVICE(s), sphb->busname,
+ pci_spapr_set_irq, pci_spapr_map_irq, sphb,
+ &sphb->memspace, &sphb->iospace,
PCI_DEVFN(0, 0), PCI_NUM_PINS);
- phb->host_state.bus = bus;
+ phb->bus = bus;
- phb->dma_liobn = SPAPR_PCI_BASE_LIOBN | (pci_find_domain(bus) << 16);
- phb->dma_window_start = 0;
- phb->dma_window_size = 0x40000000;
- phb->dma = spapr_tce_new_dma_context(phb->dma_liobn, phb->dma_window_size);
- pci_setup_iommu(bus, spapr_pci_dma_context_fn, phb);
+ sphb->dma_window_start = 0;
+ sphb->dma_window_size = 0x40000000;
+ sphb->dma = spapr_tce_new_dma_context(sphb->dma_liobn, sphb->dma_window_size);
+ if (!sphb->dma) {
+ fprintf(stderr, "Unable to create TCE table for %s\n", sphb->dtbusname);
+ return -1;
+ }
+ pci_setup_iommu(bus, spapr_pci_dma_context_fn, sphb);
- QLIST_INSERT_HEAD(&spapr->phbs, phb, list);
+ QLIST_INSERT_HEAD(&spapr->phbs, sphb, list);
/* Initialize the LSI table */
for (i = 0; i < PCI_NUM_PINS; i++) {
return -1;
}
- phb->lsi_table[i].irq = irq;
+ sphb->lsi_table[i].irq = irq;
}
return 0;
}
+static void spapr_phb_reset(DeviceState *qdev)
+{
+ SysBusDevice *s = SYS_BUS_DEVICE(qdev);
+ sPAPRPHBState *sphb = SPAPR_PCI_HOST_BRIDGE(s);
+
+ /* Reset the IOMMU state */
+ spapr_tce_reset(sphb->dma);
+}
+
static Property spapr_phb_properties[] = {
- DEFINE_PROP_HEX64("buid", sPAPRPHBState, buid, 0),
DEFINE_PROP_STRING("busname", sPAPRPHBState, busname),
- DEFINE_PROP_HEX64("mem_win_addr", sPAPRPHBState, mem_win_addr, 0),
- DEFINE_PROP_HEX64("mem_win_size", sPAPRPHBState, mem_win_size, 0x20000000),
- DEFINE_PROP_HEX64("io_win_addr", sPAPRPHBState, io_win_addr, 0),
- DEFINE_PROP_HEX64("io_win_size", sPAPRPHBState, io_win_size, 0x10000),
- DEFINE_PROP_HEX64("msi_win_addr", sPAPRPHBState, msi_win_addr, 0),
+ DEFINE_PROP_INT32("index", sPAPRPHBState, index, -1),
+ DEFINE_PROP_HEX64("buid", sPAPRPHBState, buid, -1),
+ DEFINE_PROP_HEX32("liobn", sPAPRPHBState, dma_liobn, -1),
+ DEFINE_PROP_HEX64("mem_win_addr", sPAPRPHBState, mem_win_addr, -1),
+ DEFINE_PROP_HEX64("mem_win_size", sPAPRPHBState, mem_win_size,
+ SPAPR_PCI_MMIO_WIN_SIZE),
+ DEFINE_PROP_HEX64("io_win_addr", sPAPRPHBState, io_win_addr, -1),
+ DEFINE_PROP_HEX64("io_win_size", sPAPRPHBState, io_win_size,
+ SPAPR_PCI_IO_WIN_SIZE),
+ DEFINE_PROP_HEX64("msi_win_addr", sPAPRPHBState, msi_win_addr, -1),
DEFINE_PROP_END_OF_LIST(),
};
sdc->init = spapr_phb_init;
dc->props = spapr_phb_properties;
+ dc->reset = spapr_phb_reset;
}
-static TypeInfo spapr_phb_info = {
- .name = "spapr-pci-host-bridge",
- .parent = TYPE_SYS_BUS_DEVICE,
+static const TypeInfo spapr_phb_info = {
+ .name = TYPE_SPAPR_PCI_HOST_BRIDGE,
+ .parent = TYPE_PCI_HOST_BRIDGE,
.instance_size = sizeof(sPAPRPHBState),
.class_init = spapr_phb_class_init,
};
-void spapr_create_phb(sPAPREnvironment *spapr,
- const char *busname, uint64_t buid,
- uint64_t mem_win_addr, uint64_t mem_win_size,
- uint64_t io_win_addr, uint64_t msi_win_addr)
+PCIHostState *spapr_create_phb(sPAPREnvironment *spapr, int index,
+ const char *busname)
{
DeviceState *dev;
- dev = qdev_create(NULL, spapr_phb_info.name);
-
- if (busname) {
- qdev_prop_set_string(dev, "busname", g_strdup(busname));
- }
- qdev_prop_set_uint64(dev, "buid", buid);
- qdev_prop_set_uint64(dev, "mem_win_addr", mem_win_addr);
- qdev_prop_set_uint64(dev, "mem_win_size", mem_win_size);
- qdev_prop_set_uint64(dev, "io_win_addr", io_win_addr);
- qdev_prop_set_uint64(dev, "msi_win_addr", msi_win_addr);
-
+ dev = qdev_create(NULL, TYPE_SPAPR_PCI_HOST_BRIDGE);
+ qdev_prop_set_uint32(dev, "index", index);
+ qdev_prop_set_string(dev, "busname", busname);
qdev_init_nofail(dev);
+
+ return PCI_HOST_BRIDGE(dev);
}
/* Macros to operate with address in OF binding to PCI */
}
}
-static void register_types(void)
+static void spapr_pci_register_types(void)
{
type_register_static(&spapr_phb_info);
}
-type_init(register_types)
+
+type_init(spapr_pci_register_types)
projects / qemu.git / blobdiff