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-rw-r--r--hw/ac97.c3
-rw-r--r--hw/e1000.c3
-rw-r--r--hw/eepro100.c3
-rw-r--r--hw/es1370.c3
-rw-r--r--hw/esp.c4
-rw-r--r--hw/ide/cmd646.c4
-rw-r--r--hw/ide/ich.c4
-rw-r--r--hw/ide/piix.c4
-rw-r--r--hw/ide/via.c4
-rw-r--r--hw/intel-hda.c3
-rw-r--r--hw/ioh3420.c8
-rw-r--r--hw/ivshmem.c14
-rw-r--r--hw/lsi53c895a.c4
-rw-r--r--hw/msi.c17
-rw-r--r--hw/msi.h1
-rw-r--r--hw/msix.c290
-rw-r--r--hw/msix.h19
-rw-r--r--hw/ne2000.c3
-rw-r--r--hw/pci.c54
-rw-r--r--hw/pci.h35
-rw-r--r--hw/pci_bridge.c3
-rw-r--r--hw/pci_bridge.h2
-rw-r--r--hw/pci_bridge_dev.c13
-rw-r--r--hw/pci_internals.h1
-rw-r--r--hw/pcnet-pci.c3
-rw-r--r--hw/piix_pci.c20
-rw-r--r--hw/rtl8139.c3
-rw-r--r--hw/usb/hcd-uhci.c3
-rw-r--r--hw/virtio-pci.c36
-rw-r--r--hw/virtio-pci.h1
-rw-r--r--hw/wdt_i6300esb.c4
-rw-r--r--hw/xio3130_downstream.c8
-rw-r--r--hw/xio3130_upstream.c8
33 files changed, 337 insertions, 248 deletions
diff --git a/hw/ac97.c b/hw/ac97.c
index e791b9d..0f561fa 100644
--- a/hw/ac97.c
+++ b/hw/ac97.c
@@ -1319,13 +1319,12 @@ static int ac97_initfn (PCIDevice *dev)
return 0;
}
-static int ac97_exitfn (PCIDevice *dev)
+static void ac97_exitfn (PCIDevice *dev)
{
AC97LinkState *s = DO_UPCAST (AC97LinkState, dev, dev);
memory_region_destroy (&s->io_nam);
memory_region_destroy (&s->io_nabm);
- return 0;
}
int ac97_init (PCIBus *bus)
diff --git a/hw/e1000.c b/hw/e1000.c
index ad24298..13a459c 100644
--- a/hw/e1000.c
+++ b/hw/e1000.c
@@ -1192,7 +1192,7 @@ e1000_cleanup(VLANClientState *nc)
s->nic = NULL;
}
-static int
+static void
pci_e1000_uninit(PCIDevice *dev)
{
E1000State *d = DO_UPCAST(E1000State, dev, dev);
@@ -1202,7 +1202,6 @@ pci_e1000_uninit(PCIDevice *dev)
memory_region_destroy(&d->mmio);
memory_region_destroy(&d->io);
qemu_del_vlan_client(&d->nic->nc);
- return 0;
}
static NetClientInfo net_e1000_info = {
diff --git a/hw/eepro100.c b/hw/eepro100.c
index e083e0e..6b9e7f8 100644
--- a/hw/eepro100.c
+++ b/hw/eepro100.c
@@ -1838,7 +1838,7 @@ static void nic_cleanup(VLANClientState *nc)
s->nic = NULL;
}
-static int pci_nic_uninit(PCIDevice *pci_dev)
+static void pci_nic_uninit(PCIDevice *pci_dev)
{
EEPRO100State *s = DO_UPCAST(EEPRO100State, dev, pci_dev);
@@ -1848,7 +1848,6 @@ static int pci_nic_uninit(PCIDevice *pci_dev)
vmstate_unregister(&pci_dev->qdev, s->vmstate, s);
eeprom93xx_free(&pci_dev->qdev, s->eeprom);
qemu_del_vlan_client(&s->nic->nc);
- return 0;
}
static NetClientInfo net_eepro100_info = {
diff --git a/hw/es1370.c b/hw/es1370.c
index 573f747..e34234c 100644
--- a/hw/es1370.c
+++ b/hw/es1370.c
@@ -1018,12 +1018,11 @@ static int es1370_initfn (PCIDevice *dev)
return 0;
}
-static int es1370_exitfn (PCIDevice *dev)
+static void es1370_exitfn (PCIDevice *dev)
{
ES1370State *s = DO_UPCAST (ES1370State, dev, dev);
memory_region_destroy (&s->io);
- return 0;
}
int es1370_init (PCIBus *bus)
diff --git a/hw/esp.c b/hw/esp.c
index c6422ad..a011347 100644
--- a/hw/esp.c
+++ b/hw/esp.c
@@ -1153,13 +1153,11 @@ static int esp_pci_scsi_init(PCIDevice *dev)
return 0;
}
-static int esp_pci_scsi_uninit(PCIDevice *d)
+static void esp_pci_scsi_uninit(PCIDevice *d)
{
PCIESPState *pci = DO_UPCAST(PCIESPState, dev, d);
memory_region_destroy(&pci->io);
-
- return 0;
}
static void esp_pci_class_init(ObjectClass *klass, void *data)
diff --git a/hw/ide/cmd646.c b/hw/ide/cmd646.c
index 087b4f9..e0b9443 100644
--- a/hw/ide/cmd646.c
+++ b/hw/ide/cmd646.c
@@ -295,7 +295,7 @@ static int pci_cmd646_ide_initfn(PCIDevice *dev)
return 0;
}
-static int pci_cmd646_ide_exitfn(PCIDevice *dev)
+static void pci_cmd646_ide_exitfn(PCIDevice *dev)
{
PCIIDEState *d = DO_UPCAST(PCIIDEState, dev, dev);
unsigned i;
@@ -309,8 +309,6 @@ static int pci_cmd646_ide_exitfn(PCIDevice *dev)
memory_region_destroy(&d->cmd646_bar[i].data);
}
memory_region_destroy(&d->bmdma_bar);
-
- return 0;
}
void pci_cmd646_ide_init(PCIBus *bus, DriveInfo **hd_table,
diff --git a/hw/ide/ich.c b/hw/ide/ich.c
index 319bc2b..272b773 100644
--- a/hw/ide/ich.c
+++ b/hw/ide/ich.c
@@ -132,15 +132,13 @@ static int pci_ich9_ahci_init(PCIDevice *dev)
return 0;
}
-static int pci_ich9_uninit(PCIDevice *dev)
+static void pci_ich9_uninit(PCIDevice *dev)
{
struct AHCIPCIState *d;
d = DO_UPCAST(struct AHCIPCIState, card, dev);
msi_uninit(dev);
ahci_uninit(&d->ahci);
-
- return 0;
}
static void ich_ahci_class_init(ObjectClass *klass, void *data)
diff --git a/hw/ide/piix.c b/hw/ide/piix.c
index 6652761..4ded9ee 100644
--- a/hw/ide/piix.c
+++ b/hw/ide/piix.c
@@ -201,7 +201,7 @@ PCIDevice *pci_piix3_xen_ide_init(PCIBus *bus, DriveInfo **hd_table, int devfn)
return dev;
}
-static int pci_piix_ide_exitfn(PCIDevice *dev)
+static void pci_piix_ide_exitfn(PCIDevice *dev)
{
PCIIDEState *d = DO_UPCAST(PCIIDEState, dev, dev);
unsigned i;
@@ -213,8 +213,6 @@ static int pci_piix_ide_exitfn(PCIDevice *dev)
memory_region_destroy(&d->bmdma[i].addr_ioport);
}
memory_region_destroy(&d->bmdma_bar);
-
- return 0;
}
/* hd_table must contain 4 block drivers */
diff --git a/hw/ide/via.c b/hw/ide/via.c
index a17f2e2..b20e4f0 100644
--- a/hw/ide/via.c
+++ b/hw/ide/via.c
@@ -190,7 +190,7 @@ static int vt82c686b_ide_initfn(PCIDevice *dev)
return 0;
}
-static int vt82c686b_ide_exitfn(PCIDevice *dev)
+static void vt82c686b_ide_exitfn(PCIDevice *dev)
{
PCIIDEState *d = DO_UPCAST(PCIIDEState, dev, dev);
unsigned i;
@@ -202,8 +202,6 @@ static int vt82c686b_ide_exitfn(PCIDevice *dev)
memory_region_destroy(&d->bmdma[i].addr_ioport);
}
memory_region_destroy(&d->bmdma_bar);
-
- return 0;
}
void vt82c686b_ide_init(PCIBus *bus, DriveInfo **hd_table, int devfn)
diff --git a/hw/intel-hda.c b/hw/intel-hda.c
index 31fe1c5..127e818 100644
--- a/hw/intel-hda.c
+++ b/hw/intel-hda.c
@@ -1149,13 +1149,12 @@ static int intel_hda_init(PCIDevice *pci)
return 0;
}
-static int intel_hda_exit(PCIDevice *pci)
+static void intel_hda_exit(PCIDevice *pci)
{
IntelHDAState *d = DO_UPCAST(IntelHDAState, pci, pci);
msi_uninit(&d->pci);
memory_region_destroy(&d->mmio);
- return 0;
}
static int intel_hda_post_load(void *opaque, int version)
diff --git a/hw/ioh3420.c b/hw/ioh3420.c
index 0a2601c..94a537c 100644
--- a/hw/ioh3420.c
+++ b/hw/ioh3420.c
@@ -96,7 +96,6 @@ static int ioh3420_initfn(PCIDevice *d)
PCIEPort *p = DO_UPCAST(PCIEPort, br, br);
PCIESlot *s = DO_UPCAST(PCIESlot, port, p);
int rc;
- int tmp;
rc = pci_bridge_initfn(d);
if (rc < 0) {
@@ -144,12 +143,11 @@ err_pcie_cap:
err_msi:
msi_uninit(d);
err_bridge:
- tmp = pci_bridge_exitfn(d);
- assert(!tmp);
+ pci_bridge_exitfn(d);
return rc;
}
-static int ioh3420_exitfn(PCIDevice *d)
+static void ioh3420_exitfn(PCIDevice *d)
{
PCIBridge* br = DO_UPCAST(PCIBridge, dev, d);
PCIEPort *p = DO_UPCAST(PCIEPort, br, br);
@@ -159,7 +157,7 @@ static int ioh3420_exitfn(PCIDevice *d)
pcie_chassis_del_slot(s);
pcie_cap_exit(d);
msi_uninit(d);
- return pci_bridge_exitfn(d);
+ pci_bridge_exitfn(d);
}
PCIESlot *ioh3420_init(PCIBus *bus, int devfn, bool multifunction,
diff --git a/hw/ivshmem.c b/hw/ivshmem.c
index bba21c5..0c58161 100644
--- a/hw/ivshmem.c
+++ b/hw/ivshmem.c
@@ -70,7 +70,6 @@ typedef struct IVShmemState {
*/
MemoryRegion bar;
MemoryRegion ivshmem;
- MemoryRegion msix_bar;
uint64_t ivshmem_size; /* size of shared memory region */
int shm_fd; /* shared memory file descriptor */
@@ -574,16 +573,13 @@ static uint64_t ivshmem_get_size(IVShmemState * s) {
static void ivshmem_setup_msi(IVShmemState * s)
{
- memory_region_init(&s->msix_bar, "ivshmem-msix", 4096);
- if (!msix_init(&s->dev, s->vectors, &s->msix_bar, 1, 0)) {
- pci_register_bar(&s->dev, 1, PCI_BASE_ADDRESS_SPACE_MEMORY,
- &s->msix_bar);
- IVSHMEM_DPRINTF("msix initialized (%d vectors)\n", s->vectors);
- } else {
+ if (msix_init_exclusive_bar(&s->dev, s->vectors, 1)) {
IVSHMEM_DPRINTF("msix initialization failed\n");
exit(1);
}
+ IVSHMEM_DPRINTF("msix initialized (%d vectors)\n", s->vectors);
+
/* allocate QEMU char devices for receiving interrupts */
s->eventfd_table = g_malloc0(s->vectors * sizeof(EventfdEntry));
@@ -775,7 +771,7 @@ static int pci_ivshmem_init(PCIDevice *dev)
return 0;
}
-static int pci_ivshmem_uninit(PCIDevice *dev)
+static void pci_ivshmem_uninit(PCIDevice *dev)
{
IVShmemState *s = DO_UPCAST(IVShmemState, dev, dev);
@@ -790,8 +786,6 @@ static int pci_ivshmem_uninit(PCIDevice *dev)
memory_region_destroy(&s->ivshmem);
memory_region_destroy(&s->bar);
unregister_savevm(&dev->qdev, "ivshmem", s);
-
- return 0;
}
static Property ivshmem_properties[] = {
diff --git a/hw/lsi53c895a.c b/hw/lsi53c895a.c
index 2fe141d..2544aac 100644
--- a/hw/lsi53c895a.c
+++ b/hw/lsi53c895a.c
@@ -2071,15 +2071,13 @@ static const VMStateDescription vmstate_lsi_scsi = {
}
};
-static int lsi_scsi_uninit(PCIDevice *d)
+static void lsi_scsi_uninit(PCIDevice *d)
{
LSIState *s = DO_UPCAST(LSIState, dev, d);
memory_region_destroy(&s->mmio_io);
memory_region_destroy(&s->ram_io);
memory_region_destroy(&s->io_io);
-
- return 0;
}
static const struct SCSIBusInfo lsi_scsi_info = {
diff --git a/hw/msi.c b/hw/msi.c
index 5233204..e2273a0 100644
--- a/hw/msi.c
+++ b/hw/msi.c
@@ -105,6 +105,23 @@ static inline uint8_t msi_pending_off(const PCIDevice* dev, bool msi64bit)
return dev->msi_cap + (msi64bit ? PCI_MSI_PENDING_64 : PCI_MSI_PENDING_32);
}
+/*
+ * Special API for POWER to configure the vectors through
+ * a side channel. Should never be used by devices.
+ */
+void msi_set_message(PCIDevice *dev, MSIMessage msg)
+{
+ uint16_t flags = pci_get_word(dev->config + msi_flags_off(dev));
+ bool msi64bit = flags & PCI_MSI_FLAGS_64BIT;
+
+ if (msi64bit) {
+ pci_set_quad(dev->config + msi_address_lo_off(dev), msg.address);
+ } else {
+ pci_set_long(dev->config + msi_address_lo_off(dev), msg.address);
+ }
+ pci_set_word(dev->config + msi_data_off(dev, msi64bit), msg.data);
+}
+
bool msi_enabled(const PCIDevice *dev)
{
return msi_present(dev) &&
diff --git a/hw/msi.h b/hw/msi.h
index 75747ab..6ec1f99 100644
--- a/hw/msi.h
+++ b/hw/msi.h
@@ -31,6 +31,7 @@ struct MSIMessage {
extern bool msi_supported;
+void msi_set_message(PCIDevice *dev, MSIMessage msg);
bool msi_enabled(const PCIDevice *dev);
int msi_init(struct PCIDevice *dev, uint8_t offset,
unsigned int nr_vectors, bool msi64bit, bool msi_per_vector_mask);
diff --git a/hw/msix.c b/hw/msix.c
index ded3c55..800fc32 100644
--- a/hw/msix.c
+++ b/hw/msix.c
@@ -27,17 +27,9 @@
#define MSIX_ENABLE_MASK (PCI_MSIX_FLAGS_ENABLE >> 8)
#define MSIX_MASKALL_MASK (PCI_MSIX_FLAGS_MASKALL >> 8)
-/* How much space does an MSIX table need. */
-/* The spec requires giving the table structure
- * a 4K aligned region all by itself. */
-#define MSIX_PAGE_SIZE 0x1000
-/* Reserve second half of the page for pending bits */
-#define MSIX_PAGE_PENDING (MSIX_PAGE_SIZE / 2)
-#define MSIX_MAX_ENTRIES 32
-
static MSIMessage msix_get_message(PCIDevice *dev, unsigned vector)
{
- uint8_t *table_entry = dev->msix_table_page + vector * PCI_MSIX_ENTRY_SIZE;
+ uint8_t *table_entry = dev->msix_table + vector * PCI_MSIX_ENTRY_SIZE;
MSIMessage msg;
msg.address = pci_get_quad(table_entry + PCI_MSIX_ENTRY_LOWER_ADDR);
@@ -45,62 +37,17 @@ static MSIMessage msix_get_message(PCIDevice *dev, unsigned vector)
return msg;
}
-/* Add MSI-X capability to the config space for the device. */
-/* Given a bar and its size, add MSI-X table on top of it
- * and fill MSI-X capability in the config space.
- * Original bar size must be a power of 2 or 0.
- * New bar size is returned. */
-static int msix_add_config(struct PCIDevice *pdev, unsigned short nentries,
- unsigned bar_nr, unsigned bar_size)
-{
- int config_offset;
- uint8_t *config;
- uint32_t new_size;
-
- if (nentries < 1 || nentries > PCI_MSIX_FLAGS_QSIZE + 1)
- return -EINVAL;
- if (bar_size > 0x80000000)
- return -ENOSPC;
-
- /* Add space for MSI-X structures */
- if (!bar_size) {
- new_size = MSIX_PAGE_SIZE;
- } else if (bar_size < MSIX_PAGE_SIZE) {
- bar_size = MSIX_PAGE_SIZE;
- new_size = MSIX_PAGE_SIZE * 2;
- } else {
- new_size = bar_size * 2;
- }
-
- pdev->msix_bar_size = new_size;
- config_offset = pci_add_capability(pdev, PCI_CAP_ID_MSIX,
- 0, MSIX_CAP_LENGTH);
- if (config_offset < 0)
- return config_offset;
- config = pdev->config + config_offset;
-
- pci_set_word(config + PCI_MSIX_FLAGS, nentries - 1);
- /* Table on top of BAR */
- pci_set_long(config + PCI_MSIX_TABLE, bar_size | bar_nr);
- /* Pending bits on top of that */
- pci_set_long(config + PCI_MSIX_PBA, (bar_size + MSIX_PAGE_PENDING) |
- bar_nr);
- pdev->msix_cap = config_offset;
- /* Make flags bit writable. */
- pdev->wmask[config_offset + MSIX_CONTROL_OFFSET] |= MSIX_ENABLE_MASK |
- MSIX_MASKALL_MASK;
- pdev->msix_function_masked = true;
- return 0;
-}
-
-static uint64_t msix_mmio_read(void *opaque, target_phys_addr_t addr,
- unsigned size)
+/*
+ * Special API for POWER to configure the vectors through
+ * a side channel. Should never be used by devices.
+ */
+void msix_set_message(PCIDevice *dev, int vector, struct MSIMessage msg)
{
- PCIDevice *dev = opaque;
- unsigned int offset = addr & (MSIX_PAGE_SIZE - 1) & ~0x3;
- void *page = dev->msix_table_page;
+ uint8_t *table_entry = dev->msix_table + vector * PCI_MSIX_ENTRY_SIZE;
- return pci_get_long(page + offset);
+ pci_set_quad(table_entry + PCI_MSIX_ENTRY_LOWER_ADDR, msg.address);
+ pci_set_long(table_entry + PCI_MSIX_ENTRY_DATA, msg.data);
+ table_entry[PCI_MSIX_ENTRY_VECTOR_CTRL] &= ~PCI_MSIX_ENTRY_CTRL_MASKBIT;
}
static uint8_t msix_pending_mask(int vector)
@@ -110,7 +57,7 @@ static uint8_t msix_pending_mask(int vector)
static uint8_t *msix_pending_byte(PCIDevice *dev, int vector)
{
- return dev->msix_table_page + MSIX_PAGE_PENDING + vector / 8;
+ return dev->msix_pba + vector / 8;
}
static int msix_is_pending(PCIDevice *dev, int vector)
@@ -131,7 +78,7 @@ static void msix_clr_pending(PCIDevice *dev, int vector)
static bool msix_vector_masked(PCIDevice *dev, int vector, bool fmask)
{
unsigned offset = vector * PCI_MSIX_ENTRY_SIZE + PCI_MSIX_ENTRY_VECTOR_CTRL;
- return fmask || dev->msix_table_page[offset] & PCI_MSIX_ENTRY_CTRL_MASKBIT;
+ return fmask || dev->msix_table[offset] & PCI_MSIX_ENTRY_CTRL_MASKBIT;
}
static bool msix_is_masked(PCIDevice *dev, int vector)
@@ -210,27 +157,30 @@ void msix_write_config(PCIDevice *dev, uint32_t addr,
}
}
-static void msix_mmio_write(void *opaque, target_phys_addr_t addr,
- uint64_t val, unsigned size)
+static uint64_t msix_table_mmio_read(void *opaque, target_phys_addr_t addr,
+ unsigned size)
{
PCIDevice *dev = opaque;
- unsigned int offset = addr & (MSIX_PAGE_SIZE - 1) & ~0x3;
- int vector = offset / PCI_MSIX_ENTRY_SIZE;
- bool was_masked;
- /* MSI-X page includes a read-only PBA and a writeable Vector Control. */
- if (vector >= dev->msix_entries_nr) {
- return;
- }
+ return pci_get_long(dev->msix_table + addr);
+}
+
+static void msix_table_mmio_write(void *opaque, target_phys_addr_t addr,
+ uint64_t val, unsigned size)
+{
+ PCIDevice *dev = opaque;
+ int vector = addr / PCI_MSIX_ENTRY_SIZE;
+ bool was_masked;
was_masked = msix_is_masked(dev, vector);
- pci_set_long(dev->msix_table_page + offset, val);
+ pci_set_long(dev->msix_table + addr, val);
msix_handle_mask_update(dev, vector, was_masked);
}
-static const MemoryRegionOps msix_mmio_ops = {
- .read = msix_mmio_read,
- .write = msix_mmio_write,
+static const MemoryRegionOps msix_table_mmio_ops = {
+ .read = msix_table_mmio_read,
+ .write = msix_table_mmio_write,
+ /* TODO: MSIX should be LITTLE_ENDIAN. */
.endianness = DEVICE_NATIVE_ENDIAN,
.valid = {
.min_access_size = 4,
@@ -238,17 +188,24 @@ static const MemoryRegionOps msix_mmio_ops = {
},
};
-static void msix_mmio_setup(PCIDevice *d, MemoryRegion *bar)
+static uint64_t msix_pba_mmio_read(void *opaque, target_phys_addr_t addr,
+ unsigned size)
{
- uint8_t *config = d->config + d->msix_cap;
- uint32_t table = pci_get_long(config + PCI_MSIX_TABLE);
- uint32_t offset = table & ~(MSIX_PAGE_SIZE - 1);
- /* TODO: for assigned devices, we'll want to make it possible to map
- * pending bits separately in case they are in a separate bar. */
+ PCIDevice *dev = opaque;
- memory_region_add_subregion(bar, offset, &d->msix_mmio);
+ return pci_get_long(dev->msix_pba + addr);
}
+static const MemoryRegionOps msix_pba_mmio_ops = {
+ .read = msix_pba_mmio_read,
+ /* TODO: MSIX should be LITTLE_ENDIAN. */
+ .endianness = DEVICE_NATIVE_ENDIAN,
+ .valid = {
+ .min_access_size = 4,
+ .max_access_size = 4,
+ },
+};
+
static void msix_mask_all(struct PCIDevice *dev, unsigned nentries)
{
int vector;
@@ -258,52 +215,119 @@ static void msix_mask_all(struct PCIDevice *dev, unsigned nentries)
vector * PCI_MSIX_ENTRY_SIZE + PCI_MSIX_ENTRY_VECTOR_CTRL;
bool was_masked = msix_is_masked(dev, vector);
- dev->msix_table_page[offset] |= PCI_MSIX_ENTRY_CTRL_MASKBIT;
+ dev->msix_table[offset] |= PCI_MSIX_ENTRY_CTRL_MASKBIT;
msix_handle_mask_update(dev, vector, was_masked);
}
}
-/* Initialize the MSI-X structures. Note: if MSI-X is supported, BAR size is
- * modified, it should be retrieved with msix_bar_size. */
+/* Initialize the MSI-X structures */
int msix_init(struct PCIDevice *dev, unsigned short nentries,
- MemoryRegion *bar,
- unsigned bar_nr, unsigned bar_size)
+ MemoryRegion *table_bar, uint8_t table_bar_nr,
+ unsigned table_offset, MemoryRegion *pba_bar,
+ uint8_t pba_bar_nr, unsigned pba_offset, uint8_t cap_pos)
{
- int ret;
+ int cap;
+ unsigned table_size, pba_size;
+ uint8_t *config;
/* Nothing to do if MSI is not supported by interrupt controller */
if (!msi_supported) {
return -ENOTSUP;
}
- if (nentries > MSIX_MAX_ENTRIES)
+
+ if (nentries < 1 || nentries > PCI_MSIX_FLAGS_QSIZE + 1) {
return -EINVAL;
+ }
- dev->msix_entry_used = g_malloc0(MSIX_MAX_ENTRIES *
- sizeof *dev->msix_entry_used);
+ table_size = nentries * PCI_MSIX_ENTRY_SIZE;
+ pba_size = QEMU_ALIGN_UP(nentries, 64) / 8;
- dev->msix_table_page = g_malloc0(MSIX_PAGE_SIZE);
- msix_mask_all(dev, nentries);
+ /* Sanity test: table & pba don't overlap, fit within BARs, min aligned */
+ if ((table_bar_nr == pba_bar_nr &&
+ ranges_overlap(table_offset, table_size, pba_offset, pba_size)) ||
+ table_offset + table_size > memory_region_size(table_bar) ||
+ pba_offset + pba_size > memory_region_size(pba_bar) ||
+ (table_offset | pba_offset) & PCI_MSIX_FLAGS_BIRMASK) {
+ return -EINVAL;
+ }
- memory_region_init_io(&dev->msix_mmio, &msix_mmio_ops, dev,
- "msix", MSIX_PAGE_SIZE);
+ cap = pci_add_capability(dev, PCI_CAP_ID_MSIX, cap_pos, MSIX_CAP_LENGTH);
+ if (cap < 0) {
+ return cap;
+ }
+
+ dev->msix_cap = cap;
+ dev->cap_present |= QEMU_PCI_CAP_MSIX;
+ config = dev->config + cap;
+ pci_set_word(config + PCI_MSIX_FLAGS, nentries - 1);
dev->msix_entries_nr = nentries;
- ret = msix_add_config(dev, nentries, bar_nr, bar_size);
- if (ret)
- goto err_config;
+ dev->msix_function_masked = true;
+
+ pci_set_long(config + PCI_MSIX_TABLE, table_offset | table_bar_nr);
+ pci_set_long(config + PCI_MSIX_PBA, pba_offset | pba_bar_nr);
+
+ /* Make flags bit writable. */
+ dev->wmask[cap + MSIX_CONTROL_OFFSET] |= MSIX_ENABLE_MASK |
+ MSIX_MASKALL_MASK;
+
+ dev->msix_table = g_malloc0(table_size);
+ dev->msix_pba = g_malloc0(pba_size);
+ dev->msix_entry_used = g_malloc0(nentries * sizeof *dev->msix_entry_used);
+
+ msix_mask_all(dev, nentries);
+
+ memory_region_init_io(&dev->msix_table_mmio, &msix_table_mmio_ops, dev,
+ "msix-table", table_size);
+ memory_region_add_subregion(table_bar, table_offset, &dev->msix_table_mmio);
+ memory_region_init_io(&dev->msix_pba_mmio, &msix_pba_mmio_ops, dev,
+ "msix-pba", pba_size);
+ memory_region_add_subregion(pba_bar, pba_offset, &dev->msix_pba_mmio);
- dev->cap_present |= QEMU_PCI_CAP_MSIX;
- msix_mmio_setup(dev, bar);
return 0;
+}
-err_config:
- dev->msix_entries_nr = 0;
- memory_region_destroy(&dev->msix_mmio);
- g_free(dev->msix_table_page);
- dev->msix_table_page = NULL;
- g_free(dev->msix_entry_used);
- dev->msix_entry_used = NULL;
- return ret;
+int msix_init_exclusive_bar(PCIDevice *dev, unsigned short nentries,
+ uint8_t bar_nr)
+{
+ int ret;
+ char *name;
+
+ /*
+ * Migration compatibility dictates that this remains a 4k
+ * BAR with the vector table in the lower half and PBA in
+ * the upper half. Do not use these elsewhere!
+ */
+#define MSIX_EXCLUSIVE_BAR_SIZE 4096
+#define MSIX_EXCLUSIVE_BAR_TABLE_OFFSET 0
+#define MSIX_EXCLUSIVE_BAR_PBA_OFFSET (MSIX_EXCLUSIVE_BAR_SIZE / 2)
+#define MSIX_EXCLUSIVE_CAP_OFFSET 0
+
+ if (nentries * PCI_MSIX_ENTRY_SIZE > MSIX_EXCLUSIVE_BAR_PBA_OFFSET) {
+ return -EINVAL;
+ }
+
+ if (asprintf(&name, "%s-msix", dev->name) == -1) {
+ return -ENOMEM;
+ }
+
+ memory_region_init(&dev->msix_exclusive_bar, name, MSIX_EXCLUSIVE_BAR_SIZE);
+
+ free(name);
+
+ ret = msix_init(dev, nentries, &dev->msix_exclusive_bar, bar_nr,
+ MSIX_EXCLUSIVE_BAR_TABLE_OFFSET, &dev->msix_exclusive_bar,
+ bar_nr, MSIX_EXCLUSIVE_BAR_PBA_OFFSET,
+ MSIX_EXCLUSIVE_CAP_OFFSET);
+ if (ret) {
+ memory_region_destroy(&dev->msix_exclusive_bar);
+ return ret;
+ }
+
+ pci_register_bar(dev, bar_nr, PCI_BASE_ADDRESS_SPACE_MEMORY,
+ &dev->msix_exclusive_bar);
+
+ return 0;
}
static void msix_free_irq_entries(PCIDevice *dev)
@@ -317,23 +341,35 @@ static void msix_free_irq_entries(PCIDevice *dev)
}
/* Clean up resources for the device. */
-int msix_uninit(PCIDevice *dev, MemoryRegion *bar)
+void msix_uninit(PCIDevice *dev, MemoryRegion *table_bar, MemoryRegion *pba_bar)
{
if (!msix_present(dev)) {
- return 0;
+ return;
}
pci_del_capability(dev, PCI_CAP_ID_MSIX, MSIX_CAP_LENGTH);
dev->msix_cap = 0;
msix_free_irq_entries(dev);
dev->msix_entries_nr = 0;
- memory_region_del_subregion(bar, &dev->msix_mmio);
- memory_region_destroy(&dev->msix_mmio);
- g_free(dev->msix_table_page);
- dev->msix_table_page = NULL;
+ memory_region_del_subregion(pba_bar, &dev->msix_pba_mmio);
+ memory_region_destroy(&dev->msix_pba_mmio);
+ g_free(dev->msix_pba);
+ dev->msix_pba = NULL;
+ memory_region_del_subregion(table_bar, &dev->msix_table_mmio);
+ memory_region_destroy(&dev->msix_table_mmio);
+ g_free(dev->msix_table);
+ dev->msix_table = NULL;
g_free(dev->msix_entry_used);
dev->msix_entry_used = NULL;
dev->cap_present &= ~QEMU_PCI_CAP_MSIX;
- return 0;
+ return;
+}
+
+void msix_uninit_exclusive_bar(PCIDevice *dev)
+{
+ if (msix_present(dev)) {
+ msix_uninit(dev, &dev->msix_exclusive_bar, &dev->msix_exclusive_bar);
+ memory_region_destroy(&dev->msix_exclusive_bar);
+ }
}
void msix_save(PCIDevice *dev, QEMUFile *f)
@@ -344,8 +380,8 @@ void msix_save(PCIDevice *dev, QEMUFile *f)
return;
}
- qemu_put_buffer(f, dev->msix_table_page, n * PCI_MSIX_ENTRY_SIZE);
- qemu_put_buffer(f, dev->msix_table_page + MSIX_PAGE_PENDING, (n + 7) / 8);
+ qemu_put_buffer(f, dev->msix_table, n * PCI_MSIX_ENTRY_SIZE);
+ qemu_put_buffer(f, dev->msix_pba, (n + 7) / 8);
}
/* Should be called after restoring the config space. */
@@ -359,8 +395,8 @@ void msix_load(PCIDevice *dev, QEMUFile *f)
}
msix_free_irq_entries(dev);
- qemu_get_buffer(f, dev->msix_table_page, n * PCI_MSIX_ENTRY_SIZE);
- qemu_get_buffer(f, dev->msix_table_page + MSIX_PAGE_PENDING, (n + 7) / 8);
+ qemu_get_buffer(f, dev->msix_table, n * PCI_MSIX_ENTRY_SIZE);
+ qemu_get_buffer(f, dev->msix_pba, (n + 7) / 8);
msix_update_function_masked(dev);
for (vector = 0; vector < n; vector++) {
@@ -382,13 +418,6 @@ int msix_enabled(PCIDevice *dev)
MSIX_ENABLE_MASK);
}
-/* Size of bar where MSI-X table resides, or 0 if MSI-X not supported. */
-uint32_t msix_bar_size(PCIDevice *dev)
-{
- return (dev->cap_present & QEMU_PCI_CAP_MSIX) ?
- dev->msix_bar_size : 0;
-}
-
/* Send an MSI-X message */
void msix_notify(PCIDevice *dev, unsigned vector)
{
@@ -414,7 +443,8 @@ void msix_reset(PCIDevice *dev)
msix_free_irq_entries(dev);
dev->config[dev->msix_cap + MSIX_CONTROL_OFFSET] &=
~dev->wmask[dev->msix_cap + MSIX_CONTROL_OFFSET];
- memset(dev->msix_table_page, 0, MSIX_PAGE_SIZE);
+ memset(dev->msix_table, 0, dev->msix_entries_nr * PCI_MSIX_ENTRY_SIZE);
+ memset(dev->msix_pba, 0, QEMU_ALIGN_UP(dev->msix_entries_nr, 64) / 8);
msix_mask_all(dev, dev->msix_entries_nr);
}
diff --git a/hw/msix.h b/hw/msix.h
index 50aee82..15211cb 100644
--- a/hw/msix.h
+++ b/hw/msix.h
@@ -4,14 +4,19 @@
#include "qemu-common.h"
#include "pci.h"
-int msix_init(PCIDevice *pdev, unsigned short nentries,
- MemoryRegion *bar,
- unsigned bar_nr, unsigned bar_size);
+void msix_set_message(PCIDevice *dev, int vector, MSIMessage msg);
+int msix_init(PCIDevice *dev, unsigned short nentries,
+ MemoryRegion *table_bar, uint8_t table_bar_nr,
+ unsigned table_offset, MemoryRegion *pba_bar,
+ uint8_t pba_bar_nr, unsigned pba_offset, uint8_t cap_pos);
+int msix_init_exclusive_bar(PCIDevice *dev, unsigned short nentries,
+ uint8_t bar_nr);
-void msix_write_config(PCIDevice *pci_dev, uint32_t address,
- uint32_t val, int len);
+void msix_write_config(PCIDevice *dev, uint32_t address, uint32_t val, int len);
-int msix_uninit(PCIDevice *d, MemoryRegion *bar);
+void msix_uninit(PCIDevice *dev, MemoryRegion *table_bar,
+ MemoryRegion *pba_bar);
+void msix_uninit_exclusive_bar(PCIDevice *dev);
unsigned int msix_nr_vectors_allocated(const PCIDevice *dev);
@@ -21,8 +26,6 @@ void msix_load(PCIDevice *dev, QEMUFile *f);
int msix_enabled(PCIDevice *dev);
int msix_present(PCIDevice *dev);
-uint32_t msix_bar_size(PCIDevice *dev);
-
int msix_vector_use(PCIDevice *dev, unsigned vector);
void msix_vector_unuse(PCIDevice *dev, unsigned vector);
void msix_unuse_all_vectors(PCIDevice *dev);
diff --git a/hw/ne2000.c b/hw/ne2000.c
index ae561e6..399d340 100644
--- a/hw/ne2000.c
+++ b/hw/ne2000.c
@@ -744,14 +744,13 @@ static int pci_ne2000_init(PCIDevice *pci_dev)
return 0;
}
-static int pci_ne2000_exit(PCIDevice *pci_dev)
+static void pci_ne2000_exit(PCIDevice *pci_dev)
{
PCINE2000State *d = DO_UPCAST(PCINE2000State, dev, pci_dev);
NE2000State *s = &d->ne2000;
memory_region_destroy(&s->io);
qemu_del_vlan_client(&s->nic->nc);
- return 0;
}
static Property ne2000_properties[] = {
diff --git a/hw/pci.c b/hw/pci.c
index 99a4304..4d95984 100644
--- a/hw/pci.c
+++ b/hw/pci.c
@@ -849,15 +849,14 @@ static int pci_unregister_device(DeviceState *dev)
{
PCIDevice *pci_dev = PCI_DEVICE(dev);
PCIDeviceClass *pc = PCI_DEVICE_GET_CLASS(pci_dev);
- int ret = 0;
-
- if (pc->exit)
- ret = pc->exit(pci_dev);
- if (ret)
- return ret;
pci_unregister_io_regions(pci_dev);
pci_del_option_rom(pci_dev);
+
+ if (pc->exit) {
+ pc->exit(pci_dev);
+ }
+
do_pci_unregister_device(pci_dev);
return 0;
}
@@ -1079,6 +1078,49 @@ static void pci_set_irq(void *opaque, int irq_num, int level)
pci_change_irq_level(pci_dev, irq_num, change);
}
+/* Special hooks used by device assignment */
+void pci_bus_set_route_irq_fn(PCIBus *bus, pci_route_irq_fn route_intx_to_irq)
+{
+ assert(!bus->parent_dev);
+ bus->route_intx_to_irq = route_intx_to_irq;
+}
+
+PCIINTxRoute pci_device_route_intx_to_irq(PCIDevice *dev, int pin)
+{
+ PCIBus *bus;
+
+ do {
+ bus = dev->bus;
+ pin = bus->map_irq(dev, pin);
+ dev = bus->parent_dev;
+ } while (dev);
+ assert(bus->route_intx_to_irq);
+ return bus->route_intx_to_irq(bus->irq_opaque, pin);
+}
+
+void pci_bus_fire_intx_routing_notifier(PCIBus *bus)
+{
+ PCIDevice *dev;
+ PCIBus *sec;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(bus->devices); ++i) {
+ dev = bus->devices[i];
+ if (dev && dev->intx_routing_notifier) {
+ dev->intx_routing_notifier(dev);
+ }
+ QLIST_FOREACH(sec, &bus->child, sibling) {
+ pci_bus_fire_intx_routing_notifier(sec);
+ }
+ }
+}
+
+void pci_device_set_intx_routing_notifier(PCIDevice *dev,
+ PCIINTxRoutingNotifier notifier)
+{
+ dev->intx_routing_notifier = notifier;
+}
+
/***********************************************************/
/* monitor info on PCI */
diff --git a/hw/pci.h b/hw/pci.h
index 79d38fd..4b6ab3d 100644
--- a/hw/pci.h
+++ b/hw/pci.h
@@ -85,7 +85,7 @@ typedef uint32_t PCIConfigReadFunc(PCIDevice *pci_dev,
uint32_t address, int len);
typedef void PCIMapIORegionFunc(PCIDevice *pci_dev, int region_num,
pcibus_t addr, pcibus_t size, int type);
-typedef int PCIUnregisterFunc(PCIDevice *pci_dev);
+typedef void PCIUnregisterFunc(PCIDevice *pci_dev);
typedef struct PCIIORegion {
pcibus_t addr; /* current PCI mapping address. -1 means not mapped */
@@ -141,6 +141,15 @@ enum {
#define PCI_DEVICE_GET_CLASS(obj) \
OBJECT_GET_CLASS(PCIDeviceClass, (obj), TYPE_PCI_DEVICE)
+typedef struct PCIINTxRoute {
+ enum {
+ PCI_INTX_ENABLED,
+ PCI_INTX_INVERTED,
+ PCI_INTX_DISABLED,
+ } mode;
+ int irq;
+} PCIINTxRoute;
+
typedef struct PCIDeviceClass {
DeviceClass parent_class;
@@ -173,6 +182,7 @@ typedef struct PCIDeviceClass {
const char *romfile;
} PCIDeviceClass;
+typedef void (*PCIINTxRoutingNotifier)(PCIDevice *dev);
typedef int (*MSIVectorUseNotifier)(PCIDevice *dev, unsigned int vector,
MSIMessage msg);
typedef void (*MSIVectorReleaseNotifier)(PCIDevice *dev, unsigned int vector);
@@ -222,14 +232,16 @@ struct PCIDevice {
/* MSI-X entries */
int msix_entries_nr;
- /* Space to store MSIX table */
- uint8_t *msix_table_page;
- /* MMIO index used to map MSIX table and pending bit entries. */
- MemoryRegion msix_mmio;
+ /* Space to store MSIX table & pending bit array */
+ uint8_t *msix_table;
+ uint8_t *msix_pba;
+ /* MemoryRegion container for msix exclusive BAR setup */
+ MemoryRegion msix_exclusive_bar;
+ /* Memory Regions for MSIX table and pending bit entries. */
+ MemoryRegion msix_table_mmio;
+ MemoryRegion msix_pba_mmio;
/* Reference-count for entries actually in use by driver. */
unsigned *msix_entry_used;
- /* Region including the MSI-X table */
- uint32_t msix_bar_size;
/* MSIX function mask set or MSIX disabled */
bool msix_function_masked;
/* Version id needed for VMState */
@@ -250,6 +262,9 @@ struct PCIDevice {
MemoryRegion rom;
uint32_t rom_bar;
+ /* INTx routing notifier */
+ PCIINTxRoutingNotifier intx_routing_notifier;
+
/* MSI-X notifiers */
MSIVectorUseNotifier msix_vector_use_notifier;
MSIVectorReleaseNotifier msix_vector_release_notifier;
@@ -278,6 +293,7 @@ MemoryRegion *pci_address_space_io(PCIDevice *dev);
typedef void (*pci_set_irq_fn)(void *opaque, int irq_num, int level);
typedef int (*pci_map_irq_fn)(PCIDevice *pci_dev, int irq_num);
+typedef PCIINTxRoute (*pci_route_irq_fn)(void *opaque, int pin);
typedef enum {
PCI_HOTPLUG_DISABLED,
@@ -306,6 +322,11 @@ PCIBus *pci_register_bus(DeviceState *parent, const char *name,
MemoryRegion *address_space_mem,
MemoryRegion *address_space_io,
uint8_t devfn_min, int nirq);
+void pci_bus_set_route_irq_fn(PCIBus *, pci_route_irq_fn);
+PCIINTxRoute pci_device_route_intx_to_irq(PCIDevice *dev, int pin);
+void pci_bus_fire_intx_routing_notifier(PCIBus *bus);
+void pci_device_set_intx_routing_notifier(PCIDevice *dev,
+ PCIINTxRoutingNotifier notifier);
void pci_device_reset(PCIDevice *dev);
void pci_bus_reset(PCIBus *bus);
diff --git a/hw/pci_bridge.c b/hw/pci_bridge.c
index 0916276..5c6455f 100644
--- a/hw/pci_bridge.c
+++ b/hw/pci_bridge.c
@@ -333,7 +333,7 @@ int pci_bridge_initfn(PCIDevice *dev)
}
/* default qdev clean up function for PCI-to-PCI bridge */
-int pci_bridge_exitfn(PCIDevice *pci_dev)
+void pci_bridge_exitfn(PCIDevice *pci_dev)
{
PCIBridge *s = DO_UPCAST(PCIBridge, dev, pci_dev);
assert(QLIST_EMPTY(&s->sec_bus.child));
@@ -342,7 +342,6 @@ int pci_bridge_exitfn(PCIDevice *pci_dev)
memory_region_destroy(&s->address_space_mem);
memory_region_destroy(&s->address_space_io);
/* qbus_free() is called automatically by qdev_free() */
- return 0;
}
/*
diff --git a/hw/pci_bridge.h b/hw/pci_bridge.h
index 84411a6..a00accc 100644
--- a/hw/pci_bridge.h
+++ b/hw/pci_bridge.h
@@ -44,7 +44,7 @@ void pci_bridge_reset_reg(PCIDevice *dev);
void pci_bridge_reset(DeviceState *qdev);
int pci_bridge_initfn(PCIDevice *pci_dev);
-int pci_bridge_exitfn(PCIDevice *pci_dev);
+void pci_bridge_exitfn(PCIDevice *pci_dev);
/*
diff --git a/hw/pci_bridge_dev.c b/hw/pci_bridge_dev.c
index 1cc1d20..f706396 100644
--- a/hw/pci_bridge_dev.c
+++ b/hw/pci_bridge_dev.c
@@ -52,7 +52,8 @@ static int pci_bridge_dev_initfn(PCIDevice *dev)
{
PCIBridge *br = DO_UPCAST(PCIBridge, dev, dev);
PCIBridgeDev *bridge_dev = DO_UPCAST(PCIBridgeDev, bridge, br);
- int err, ret;
+ int err;
+
pci_bridge_map_irq(br, NULL, pci_bridge_dev_map_irq_fn);
err = pci_bridge_initfn(dev);
if (err) {
@@ -86,26 +87,22 @@ slotid_error:
shpc_cleanup(dev, &bridge_dev->bar);
shpc_error:
memory_region_destroy(&bridge_dev->bar);
- ret = pci_bridge_exitfn(dev);
- assert(!ret);
+ pci_bridge_exitfn(dev);
bridge_error:
return err;
}
-static int pci_bridge_dev_exitfn(PCIDevice *dev)
+static void pci_bridge_dev_exitfn(PCIDevice *dev)
{
PCIBridge *br = DO_UPCAST(PCIBridge, dev, dev);
PCIBridgeDev *bridge_dev = DO_UPCAST(PCIBridgeDev, bridge, br);
- int ret;
if (msi_present(dev)) {
msi_uninit(dev);
}
slotid_cap_cleanup(dev);
shpc_cleanup(dev, &bridge_dev->bar);
memory_region_destroy(&bridge_dev->bar);
- ret = pci_bridge_exitfn(dev);
- assert(!ret);
- return 0;
+ pci_bridge_exitfn(dev);
}
static void pci_bridge_dev_write_config(PCIDevice *d,
diff --git a/hw/pci_internals.h b/hw/pci_internals.h
index e8bc9f6..c931b64 100644
--- a/hw/pci_internals.h
+++ b/hw/pci_internals.h
@@ -22,6 +22,7 @@ struct PCIBus {
uint8_t devfn_min;
pci_set_irq_fn set_irq;
pci_map_irq_fn map_irq;
+ pci_route_irq_fn route_intx_to_irq;
pci_hotplug_fn hotplug;
DeviceState *hotplug_qdev;
void *irq_opaque;
diff --git a/hw/pcnet-pci.c b/hw/pcnet-pci.c
index 931fedd..31eb1a8 100644
--- a/hw/pcnet-pci.c
+++ b/hw/pcnet-pci.c
@@ -271,7 +271,7 @@ static void pci_pcnet_cleanup(VLANClientState *nc)
pcnet_common_cleanup(d);
}
-static int pci_pcnet_uninit(PCIDevice *dev)
+static void pci_pcnet_uninit(PCIDevice *dev)
{
PCIPCNetState *d = DO_UPCAST(PCIPCNetState, pci_dev, dev);
@@ -280,7 +280,6 @@ static int pci_pcnet_uninit(PCIDevice *dev)
qemu_del_timer(d->state.poll_timer);
qemu_free_timer(d->state.poll_timer);
qemu_del_vlan_client(&d->state.nic->nc);
- return 0;
}
static NetClientInfo net_pci_pcnet_info = {
diff --git a/hw/piix_pci.c b/hw/piix_pci.c
index 09e84f5..c497a01 100644
--- a/hw/piix_pci.c
+++ b/hw/piix_pci.c
@@ -89,6 +89,7 @@ struct PCII440FXState {
#define I440FX_SMRAM 0x72
static void piix3_set_irq(void *opaque, int pirq, int level);
+static PCIINTxRoute piix3_route_intx_pin_to_irq(void *opaque, int pci_intx);
static void piix3_write_config_xen(PCIDevice *dev,
uint32_t address, uint32_t val, int len);
@@ -315,6 +316,7 @@ static PCIBus *i440fx_common_init(const char *device_name,
pci_create_simple_multifunction(b, -1, true, "PIIX3"));
pci_bus_irqs(b, piix3_set_irq, pci_slot_get_pirq, piix3,
PIIX_NUM_PIRQS);
+ pci_bus_set_route_irq_fn(b, piix3_route_intx_pin_to_irq);
}
piix3->pic = pic;
*isa_bus = DO_UPCAST(ISABus, qbus,
@@ -386,6 +388,22 @@ static void piix3_set_irq(void *opaque, int pirq, int level)
piix3_set_irq_level(piix3, pirq, level);
}
+static PCIINTxRoute piix3_route_intx_pin_to_irq(void *opaque, int pin)
+{
+ PIIX3State *piix3 = opaque;
+ int irq = piix3->dev.config[PIIX_PIRQC + pin];
+ PCIINTxRoute route;
+
+ if (irq < PIIX_NUM_PIC_IRQS) {
+ route.mode = PCI_INTX_ENABLED;
+ route.irq = irq;
+ } else {
+ route.mode = PCI_INTX_DISABLED;
+ route.irq = -1;
+ }
+ return route;
+}
+
/* irq routing is changed. so rebuild bitmap */
static void piix3_update_irq_levels(PIIX3State *piix3)
{
@@ -405,6 +423,8 @@ static void piix3_write_config(PCIDevice *dev,
if (ranges_overlap(address, len, PIIX_PIRQC, 4)) {
PIIX3State *piix3 = DO_UPCAST(PIIX3State, dev, dev);
int pic_irq;
+
+ pci_bus_fire_intx_routing_notifier(piix3->dev.bus);
piix3_update_irq_levels(piix3);
for (pic_irq = 0; pic_irq < PIIX_NUM_PIC_IRQS; pic_irq++) {
piix3_set_irq_pic(piix3, pic_irq);
diff --git a/hw/rtl8139.c b/hw/rtl8139.c
index 82fe235..7b78f40 100644
--- a/hw/rtl8139.c
+++ b/hw/rtl8139.c
@@ -3438,7 +3438,7 @@ static void rtl8139_cleanup(VLANClientState *nc)
s->nic = NULL;
}
-static int pci_rtl8139_uninit(PCIDevice *dev)
+static void pci_rtl8139_uninit(PCIDevice *dev)
{
RTL8139State *s = DO_UPCAST(RTL8139State, dev, dev);
@@ -3451,7 +3451,6 @@ static int pci_rtl8139_uninit(PCIDevice *dev)
qemu_del_timer(s->timer);
qemu_free_timer(s->timer);
qemu_del_vlan_client(&s->nic->nc);
- return 0;
}
static NetClientInfo net_rtl8139_info = {
diff --git a/hw/usb/hcd-uhci.c b/hw/usb/hcd-uhci.c
index 2aac8a2..1ace2a4 100644
--- a/hw/usb/hcd-uhci.c
+++ b/hw/usb/hcd-uhci.c
@@ -1269,12 +1269,11 @@ static int usb_uhci_vt82c686b_initfn(PCIDevice *dev)
return usb_uhci_common_initfn(dev);
}
-static int usb_uhci_exit(PCIDevice *dev)
+static void usb_uhci_exit(PCIDevice *dev)
{
UHCIState *s = DO_UPCAST(UHCIState, dev, dev);
memory_region_destroy(&s->io_bar);
- return 0;
}
static Property uhci_properties[] = {
diff --git a/hw/virtio-pci.c b/hw/virtio-pci.c
index 4e03f0b..bf695e5 100644
--- a/hw/virtio-pci.c
+++ b/hw/virtio-pci.c
@@ -733,13 +733,10 @@ void virtio_init_pci(VirtIOPCIProxy *proxy, VirtIODevice *vdev)
pci_set_word(config + PCI_SUBSYSTEM_ID, vdev->device_id);
config[PCI_INTERRUPT_PIN] = 1;
- memory_region_init(&proxy->msix_bar, "virtio-msix", 4096);
- if (vdev->nvectors && !msix_init(&proxy->pci_dev, vdev->nvectors,
- &proxy->msix_bar, 1, 0)) {
- pci_register_bar(&proxy->pci_dev, 1, PCI_BASE_ADDRESS_SPACE_MEMORY,
- &proxy->msix_bar);
- } else
+ if (vdev->nvectors &&
+ msix_init_exclusive_bar(&proxy->pci_dev, vdev->nvectors, 1)) {
vdev->nvectors = 0;
+ }
proxy->pci_dev.config_write = virtio_write_config;
@@ -782,24 +779,21 @@ static int virtio_blk_init_pci(PCIDevice *pci_dev)
return 0;
}
-static int virtio_exit_pci(PCIDevice *pci_dev)
+static void virtio_exit_pci(PCIDevice *pci_dev)
{
VirtIOPCIProxy *proxy = DO_UPCAST(VirtIOPCIProxy, pci_dev, pci_dev);
- int r;
memory_region_destroy(&proxy->bar);
- r = msix_uninit(pci_dev, &proxy->msix_bar);
- memory_region_destroy(&proxy->msix_bar);
- return r;
+ msix_uninit_exclusive_bar(pci_dev);
}
-static int virtio_blk_exit_pci(PCIDevice *pci_dev)
+static void virtio_blk_exit_pci(PCIDevice *pci_dev)
{
VirtIOPCIProxy *proxy = DO_UPCAST(VirtIOPCIProxy, pci_dev, pci_dev);
virtio_pci_stop_ioeventfd(proxy);
virtio_blk_exit(proxy->vdev);
- return virtio_exit_pci(pci_dev);
+ virtio_exit_pci(pci_dev);
}
static int virtio_serial_init_pci(PCIDevice *pci_dev)
@@ -824,13 +818,13 @@ static int virtio_serial_init_pci(PCIDevice *pci_dev)
return 0;
}
-static int virtio_serial_exit_pci(PCIDevice *pci_dev)
+static void virtio_serial_exit_pci(PCIDevice *pci_dev)
{
VirtIOPCIProxy *proxy = DO_UPCAST(VirtIOPCIProxy, pci_dev, pci_dev);
virtio_pci_stop_ioeventfd(proxy);
virtio_serial_exit(proxy->vdev);
- return virtio_exit_pci(pci_dev);
+ virtio_exit_pci(pci_dev);
}
static int virtio_net_init_pci(PCIDevice *pci_dev)
@@ -848,13 +842,13 @@ static int virtio_net_init_pci(PCIDevice *pci_dev)
return 0;
}
-static int virtio_net_exit_pci(PCIDevice *pci_dev)
+static void virtio_net_exit_pci(PCIDevice *pci_dev)
{
VirtIOPCIProxy *proxy = DO_UPCAST(VirtIOPCIProxy, pci_dev, pci_dev);
virtio_pci_stop_ioeventfd(proxy);
virtio_net_exit(proxy->vdev);
- return virtio_exit_pci(pci_dev);
+ virtio_exit_pci(pci_dev);
}
static int virtio_balloon_init_pci(PCIDevice *pci_dev)
@@ -875,13 +869,13 @@ static int virtio_balloon_init_pci(PCIDevice *pci_dev)
return 0;
}
-static int virtio_balloon_exit_pci(PCIDevice *pci_dev)
+static void virtio_balloon_exit_pci(PCIDevice *pci_dev)
{
VirtIOPCIProxy *proxy = DO_UPCAST(VirtIOPCIProxy, pci_dev, pci_dev);
virtio_pci_stop_ioeventfd(proxy);
virtio_balloon_exit(proxy->vdev);
- return virtio_exit_pci(pci_dev);
+ virtio_exit_pci(pci_dev);
}
static Property virtio_blk_properties[] = {
@@ -1031,12 +1025,12 @@ static int virtio_scsi_init_pci(PCIDevice *pci_dev)
return 0;
}
-static int virtio_scsi_exit_pci(PCIDevice *pci_dev)
+static void virtio_scsi_exit_pci(PCIDevice *pci_dev)
{
VirtIOPCIProxy *proxy = DO_UPCAST(VirtIOPCIProxy, pci_dev, pci_dev);
virtio_scsi_exit(proxy->vdev);
- return virtio_exit_pci(pci_dev);
+ virtio_exit_pci(pci_dev);
}
static Property virtio_scsi_properties[] = {
diff --git a/hw/virtio-pci.h b/hw/virtio-pci.h
index 91b791b..ac9d522 100644
--- a/hw/virtio-pci.h
+++ b/hw/virtio-pci.h
@@ -34,7 +34,6 @@ typedef struct {
PCIDevice pci_dev;
VirtIODevice *vdev;
MemoryRegion bar;
- MemoryRegion msix_bar;
uint32_t flags;
uint32_t class_code;
uint32_t nvectors;
diff --git a/hw/wdt_i6300esb.c b/hw/wdt_i6300esb.c
index 15c69db..4a83474 100644
--- a/hw/wdt_i6300esb.c
+++ b/hw/wdt_i6300esb.c
@@ -411,13 +411,11 @@ static int i6300esb_init(PCIDevice *dev)
return 0;
}
-static int i6300esb_exit(PCIDevice *dev)
+static void i6300esb_exit(PCIDevice *dev)
{
I6300State *d = DO_UPCAST(I6300State, dev, dev);
memory_region_destroy(&d->io_mem);
-
- return 0;
}
static WatchdogTimerModel model = {
diff --git a/hw/xio3130_downstream.c b/hw/xio3130_downstream.c
index 56d1b35..0d8a5e7 100644
--- a/hw/xio3130_downstream.c
+++ b/hw/xio3130_downstream.c
@@ -60,7 +60,6 @@ static int xio3130_downstream_initfn(PCIDevice *d)
PCIEPort *p = DO_UPCAST(PCIEPort, br, br);
PCIESlot *s = DO_UPCAST(PCIESlot, port, p);
int rc;
- int tmp;
rc = pci_bridge_initfn(d);
if (rc < 0) {
@@ -108,12 +107,11 @@ err_pcie_cap:
err_msi:
msi_uninit(d);
err_bridge:
- tmp = pci_bridge_exitfn(d);
- assert(!tmp);
+ pci_bridge_exitfn(d);
return rc;
}
-static int xio3130_downstream_exitfn(PCIDevice *d)
+static void xio3130_downstream_exitfn(PCIDevice *d)
{
PCIBridge* br = DO_UPCAST(PCIBridge, dev, d);
PCIEPort *p = DO_UPCAST(PCIEPort, br, br);
@@ -123,7 +121,7 @@ static int xio3130_downstream_exitfn(PCIDevice *d)
pcie_chassis_del_slot(s);
pcie_cap_exit(d);
msi_uninit(d);
- return pci_bridge_exitfn(d);
+ pci_bridge_exitfn(d);
}
PCIESlot *xio3130_downstream_init(PCIBus *bus, int devfn, bool multifunction,
diff --git a/hw/xio3130_upstream.c b/hw/xio3130_upstream.c
index 7972581..d46b86c 100644
--- a/hw/xio3130_upstream.c
+++ b/hw/xio3130_upstream.c
@@ -56,7 +56,6 @@ static int xio3130_upstream_initfn(PCIDevice *d)
PCIBridge* br = DO_UPCAST(PCIBridge, dev, d);
PCIEPort *p = DO_UPCAST(PCIEPort, br, br);
int rc;
- int tmp;
rc = pci_bridge_initfn(d);
if (rc < 0) {
@@ -95,17 +94,16 @@ err:
err_msi:
msi_uninit(d);
err_bridge:
- tmp = pci_bridge_exitfn(d);
- assert(!tmp);
+ pci_bridge_exitfn(d);
return rc;
}
-static int xio3130_upstream_exitfn(PCIDevice *d)
+static void xio3130_upstream_exitfn(PCIDevice *d)
{
pcie_aer_exit(d);
pcie_cap_exit(d);
msi_uninit(d);
- return pci_bridge_exitfn(d);
+ pci_bridge_exitfn(d);
}
PCIEPort *xio3130_upstream_init(PCIBus *bus, int devfn, bool multifunction,
generated by cgit v1.1 at 2024-12-27 11:32:31 +0000