*/
#include "hw.h"
#include "pc.h"
-#include "pci.h"
-#include "msix.h"
+#include "pci/pci.h"
+#include "pci/msix.h"
#include "kvm.h"
#include "migration.h"
#include "qerror.h"
MemoryRegion bar;
MemoryRegion ivshmem;
uint64_t ivshmem_size; /* size of shared memory region */
+ uint32_t ivshmem_attr;
+ uint32_t ivshmem_64bit;
int shm_fd; /* shared memory file descriptor */
Peer *peers;
s->intrstatus = val;
ivshmem_update_irq(s, val);
- return;
}
static uint32_t ivshmem_IntrStatus_read(IVShmemState *s)
return ret;
}
-static void ivshmem_io_write(void *opaque, target_phys_addr_t addr,
+static void ivshmem_io_write(void *opaque, hwaddr addr,
uint64_t val, unsigned size)
{
IVShmemState *s = opaque;
}
}
-static uint64_t ivshmem_io_read(void *opaque, target_phys_addr_t addr,
+static uint64_t ivshmem_io_read(void *opaque, hwaddr addr,
unsigned size)
{
memory_region_add_subregion(&s->bar, 0, &s->ivshmem);
/* region for shared memory */
- pci_register_bar(&s->dev, 2, PCI_BASE_ADDRESS_SPACE_MEMORY, &s->bar);
+ pci_register_bar(&s->dev, 2, s->ivshmem_attr, &s->bar);
}
static void ivshmem_add_eventfd(IVShmemState *s, int posn, int i)
s->peers[posn].nb_eventfds = 0;
}
-static void setup_ioeventfds(IVShmemState *s) {
-
- int i, j;
-
- for (i = 0; i <= s->max_peer; i++) {
- for (j = 0; j < s->peers[i].nb_eventfds; j++) {
- ivshmem_add_eventfd(s, i, j);
- }
- }
-}
-
/* this function increase the dynamic storage need to store data about other
* guests */
static void increase_dynamic_storage(IVShmemState *s, int new_min_size) {
if (ivshmem_has_feature(s, IVSHMEM_IOEVENTFD)) {
ivshmem_add_eventfd(s, incoming_posn, guest_max_eventfd);
}
-
- return;
}
/* Select the MSI-X vectors used by device.
s->intrstatus = 0;
ivshmem_use_msix(s);
- return;
}
static uint64_t ivshmem_get_size(IVShmemState * s) {
memory_region_init_io(&s->ivshmem_mmio, &ivshmem_mmio_ops, s,
"ivshmem-mmio", IVSHMEM_REG_BAR_SIZE);
- if (ivshmem_has_feature(s, IVSHMEM_IOEVENTFD)) {
- setup_ioeventfds(s);
- }
-
/* region for registers*/
pci_register_bar(&s->dev, 0, PCI_BASE_ADDRESS_SPACE_MEMORY,
&s->ivshmem_mmio);
memory_region_init(&s->bar, "ivshmem-bar2-container", s->ivshmem_size);
+ s->ivshmem_attr = PCI_BASE_ADDRESS_SPACE_MEMORY |
+ PCI_BASE_ADDRESS_MEM_PREFETCH;
+ if (s->ivshmem_64bit) {
+ s->ivshmem_attr |= PCI_BASE_ADDRESS_MEM_TYPE_64;
+ }
if ((s->server_chr != NULL) &&
(strncmp(s->server_chr->filename, "unix:", 5) == 0)) {
/* allocate/initialize space for interrupt handling */
s->peers = g_malloc0(s->nb_peers * sizeof(Peer));
- pci_register_bar(&s->dev, 2,
- PCI_BASE_ADDRESS_SPACE_MEMORY, &s->bar);
+ pci_register_bar(&s->dev, 2, s->ivshmem_attr, &s->bar);
s->eventfd_chr = g_malloc0(s->vectors * sizeof(CharDriverState *));
DEFINE_PROP_BIT("msi", IVShmemState, features, IVSHMEM_MSI, true),
DEFINE_PROP_STRING("shm", IVShmemState, shmobj),
DEFINE_PROP_STRING("role", IVShmemState, role),
+ DEFINE_PROP_UINT32("use64", IVShmemState, ivshmem_64bit, 1),
DEFINE_PROP_END_OF_LIST(),
};