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-rw-r--r--hw/block/dataplane/virtio-blk.c27
-rw-r--r--hw/misc/vfio.c2
-rw-r--r--hw/ppc/e500.c3
-rw-r--r--hw/ppc/mac_newworld.c7
-rw-r--r--hw/ppc/mac_oldworld.c8
-rw-r--r--hw/ppc/ppc405_boards.c21
-rw-r--r--hw/ppc/ppc405_uc.c5
-rw-r--r--hw/ppc/ppc4xx_devs.c5
-rw-r--r--hw/ppc/prep.c3
-rw-r--r--hw/ppc/spapr.c21
-rw-r--r--hw/ppc/spapr_iommu.c4
-rw-r--r--hw/ppc/virtex_ml507.c3
12 files changed, 64 insertions, 45 deletions
diff --git a/hw/block/dataplane/virtio-blk.c b/hw/block/dataplane/virtio-blk.c
index 227bb15efc..d6ba65ca23 100644
--- a/hw/block/dataplane/virtio-blk.c
+++ b/hw/block/dataplane/virtio-blk.c
@@ -34,6 +34,7 @@ struct VirtIOBlockDataPlane {
VirtIODevice *vdev;
Vring vring; /* virtqueue vring */
EventNotifier *guest_notifier; /* irq */
+ QEMUBH *bh; /* bh for guest notification */
/* Note that these EventNotifiers are assigned by value. This is
* fine as long as you do not call event_notifier_cleanup on them
@@ -61,13 +62,28 @@ static void notify_guest(VirtIOBlockDataPlane *s)
event_notifier_set(s->guest_notifier);
}
+static void notify_guest_bh(void *opaque)
+{
+ VirtIOBlockDataPlane *s = opaque;
+
+ notify_guest(s);
+}
+
static void complete_request_vring(VirtIOBlockReq *req, unsigned char status)
{
+ VirtIOBlockDataPlane *s = req->dev->dataplane;
stb_p(&req->in->status, status);
vring_push(&req->dev->dataplane->vring, &req->elem,
req->qiov.size + sizeof(*req->in));
- notify_guest(req->dev->dataplane);
+
+ /* Suppress notification to guest by BH and its scheduled
+ * flag because requests are completed as a batch after io
+ * plug & unplug is introduced, and the BH can still be
+ * executed in dataplane aio context even after it is
+ * stopped, so needn't worry about notification loss with BH.
+ */
+ qemu_bh_schedule(s->bh);
}
static void handle_notify(EventNotifier *e)
@@ -125,7 +141,6 @@ void virtio_blk_data_plane_create(VirtIODevice *vdev, VirtIOBlkConf *blk,
Error **errp)
{
VirtIOBlockDataPlane *s;
- VirtIOBlock *vblk = VIRTIO_BLK(vdev);
Error *local_err = NULL;
BusState *qbus = BUS(qdev_get_parent_bus(DEVICE(vdev)));
VirtioBusClass *k = VIRTIO_BUS_GET_CLASS(qbus);
@@ -173,13 +188,12 @@ void virtio_blk_data_plane_create(VirtIODevice *vdev, VirtIOBlkConf *blk,
s->iothread = &s->internal_iothread_obj;
}
s->ctx = iothread_get_aio_context(s->iothread);
+ s->bh = aio_bh_new(s->ctx, notify_guest_bh, s);
error_setg(&s->blocker, "block device is in use by data plane");
bdrv_op_block_all(blk->conf.bs, s->blocker);
*dataplane = s;
- s->saved_complete_request = vblk->complete_request;
- vblk->complete_request = complete_request_vring;
}
/* Context: QEMU global mutex held */
@@ -193,6 +207,7 @@ void virtio_blk_data_plane_destroy(VirtIOBlockDataPlane *s)
bdrv_op_unblock_all(s->blk->conf.bs, s->blocker);
error_free(s->blocker);
object_unref(OBJECT(s->iothread));
+ qemu_bh_delete(s->bh);
g_free(s);
}
@@ -201,6 +216,7 @@ void virtio_blk_data_plane_start(VirtIOBlockDataPlane *s)
{
BusState *qbus = BUS(qdev_get_parent_bus(DEVICE(s->vdev)));
VirtioBusClass *k = VIRTIO_BUS_GET_CLASS(qbus);
+ VirtIOBlock *vblk = VIRTIO_BLK(s->vdev);
VirtQueue *vq;
if (s->started) {
@@ -234,6 +250,9 @@ void virtio_blk_data_plane_start(VirtIOBlockDataPlane *s)
}
s->host_notifier = *virtio_queue_get_host_notifier(vq);
+ s->saved_complete_request = vblk->complete_request;
+ vblk->complete_request = complete_request_vring;
+
s->starting = false;
s->started = true;
trace_virtio_blk_data_plane_start(s);
diff --git a/hw/misc/vfio.c b/hw/misc/vfio.c
index aef4c9ce9d..0b9eba0c84 100644
--- a/hw/misc/vfio.c
+++ b/hw/misc/vfio.c
@@ -2489,7 +2489,7 @@ static void vfio_iommu_map_notify(Notifier *n, void *data)
return;
}
- if (iotlb->perm != IOMMU_NONE) {
+ if ((iotlb->perm & IOMMU_RW) != IOMMU_NONE) {
vaddr = memory_region_get_ram_ptr(mr) + xlat;
ret = vfio_dma_map(container, iotlb->iova,
diff --git a/hw/ppc/e500.c b/hw/ppc/e500.c
index bb2e75fe1b..1a5b30d3ce 100644
--- a/hw/ppc/e500.c
+++ b/hw/ppc/e500.c
@@ -701,8 +701,7 @@ void ppce500_init(MachineState *machine, PPCE500Params *params)
machine->ram_size = ram_size;
/* Register Memory */
- memory_region_init_ram(ram, NULL, "mpc8544ds.ram", ram_size);
- vmstate_register_ram_global(ram);
+ memory_region_allocate_system_memory(ram, NULL, "mpc8544ds.ram", ram_size);
memory_region_add_subregion(address_space_mem, 0, ram);
dev = qdev_create(NULL, "e500-ccsr");
diff --git a/hw/ppc/mac_newworld.c b/hw/ppc/mac_newworld.c
index 89d3cadf19..7e97af4a23 100644
--- a/hw/ppc/mac_newworld.c
+++ b/hw/ppc/mac_newworld.c
@@ -200,13 +200,12 @@ static void ppc_core99_init(MachineState *machine)
}
/* allocate RAM */
- memory_region_init_ram(ram, NULL, "ppc_core99.ram", ram_size);
- vmstate_register_ram_global(ram);
+ memory_region_allocate_system_memory(ram, NULL, "ppc_core99.ram", ram_size);
memory_region_add_subregion(get_system_memory(), 0, ram);
/* allocate and load BIOS */
- memory_region_init_ram(bios, NULL, "ppc_core99.bios", BIOS_SIZE);
- vmstate_register_ram_global(bios);
+ memory_region_allocate_system_memory(bios, NULL, "ppc_core99.bios",
+ BIOS_SIZE);
if (bios_name == NULL)
bios_name = PROM_FILENAME;
filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
diff --git a/hw/ppc/mac_oldworld.c b/hw/ppc/mac_oldworld.c
index 4b5e905fc2..afae8253e9 100644
--- a/hw/ppc/mac_oldworld.c
+++ b/hw/ppc/mac_oldworld.c
@@ -130,13 +130,13 @@ static void ppc_heathrow_init(MachineState *machine)
exit(1);
}
- memory_region_init_ram(ram, NULL, "ppc_heathrow.ram", ram_size);
- vmstate_register_ram_global(ram);
+ memory_region_allocate_system_memory(ram, NULL, "ppc_heathrow.ram",
+ ram_size);
memory_region_add_subregion(sysmem, 0, ram);
/* allocate and load BIOS */
- memory_region_init_ram(bios, NULL, "ppc_heathrow.bios", BIOS_SIZE);
- vmstate_register_ram_global(bios);
+ memory_region_allocate_system_memory(bios, NULL, "ppc_heathrow.bios",
+ BIOS_SIZE);
if (bios_name == NULL)
bios_name = PROM_FILENAME;
filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
diff --git a/hw/ppc/ppc405_boards.c b/hw/ppc/ppc405_boards.c
index 98ad2d75e7..6b566cd8e5 100644
--- a/hw/ppc/ppc405_boards.c
+++ b/hw/ppc/ppc405_boards.c
@@ -199,8 +199,8 @@ static void ref405ep_init(MachineState *machine)
MemoryRegion *sysmem = get_system_memory();
/* XXX: fix this */
- memory_region_init_ram(&ram_memories[0], NULL, "ef405ep.ram", 0x08000000);
- vmstate_register_ram_global(&ram_memories[0]);
+ memory_region_allocate_system_memory(&ram_memories[0], NULL, "ef405ep.ram",
+ 0x08000000);
ram_bases[0] = 0;
ram_sizes[0] = 0x08000000;
memory_region_init(&ram_memories[1], NULL, "ef405ep.ram1", 0);
@@ -214,8 +214,7 @@ static void ref405ep_init(MachineState *machine)
33333333, &pic, kernel_filename == NULL ? 0 : 1);
/* allocate SRAM */
sram_size = 512 * 1024;
- memory_region_init_ram(sram, NULL, "ef405ep.sram", sram_size);
- vmstate_register_ram_global(sram);
+ memory_region_allocate_system_memory(sram, NULL, "ef405ep.sram", sram_size);
memory_region_add_subregion(sysmem, 0xFFF00000, sram);
/* allocate and load BIOS */
#ifdef DEBUG_BOARD_INIT
@@ -246,8 +245,8 @@ static void ref405ep_init(MachineState *machine)
printf("Load BIOS from file\n");
#endif
bios = g_new(MemoryRegion, 1);
- memory_region_init_ram(bios, NULL, "ef405ep.bios", BIOS_SIZE);
- vmstate_register_ram_global(bios);
+ memory_region_allocate_system_memory(bios, NULL, "ef405ep.bios",
+ BIOS_SIZE);
if (bios_name == NULL)
bios_name = BIOS_FILENAME;
filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
@@ -518,14 +517,12 @@ static void taihu_405ep_init(MachineState *machine)
DriveInfo *dinfo;
/* RAM is soldered to the board so the size cannot be changed */
- memory_region_init_ram(&ram_memories[0], NULL,
+ memory_region_allocate_system_memory(&ram_memories[0], NULL,
"taihu_405ep.ram-0", 0x04000000);
- vmstate_register_ram_global(&ram_memories[0]);
ram_bases[0] = 0;
ram_sizes[0] = 0x04000000;
- memory_region_init_ram(&ram_memories[1], NULL,
+ memory_region_allocate_system_memory(&ram_memories[1], NULL,
"taihu_405ep.ram-1", 0x04000000);
- vmstate_register_ram_global(&ram_memories[1]);
ram_bases[1] = 0x04000000;
ram_sizes[1] = 0x04000000;
ram_size = 0x08000000;
@@ -567,8 +564,8 @@ static void taihu_405ep_init(MachineState *machine)
if (bios_name == NULL)
bios_name = BIOS_FILENAME;
bios = g_new(MemoryRegion, 1);
- memory_region_init_ram(bios, NULL, "taihu_405ep.bios", BIOS_SIZE);
- vmstate_register_ram_global(bios);
+ memory_region_allocate_system_memory(bios, NULL, "taihu_405ep.bios",
+ BIOS_SIZE);
filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
if (filename) {
bios_size = load_image(filename, memory_region_get_ram_ptr(bios));
diff --git a/hw/ppc/ppc405_uc.c b/hw/ppc/ppc405_uc.c
index 54ba59e73a..fcd5f2d917 100644
--- a/hw/ppc/ppc405_uc.c
+++ b/hw/ppc/ppc405_uc.c
@@ -23,6 +23,7 @@
*/
#include "hw/hw.h"
#include "hw/ppc/ppc.h"
+#include "hw/boards.h"
#include "ppc405.h"
#include "hw/char/serial.h"
#include "qemu/timer.h"
@@ -973,8 +974,8 @@ static void ppc405_ocm_init(CPUPPCState *env)
ocm = g_malloc0(sizeof(ppc405_ocm_t));
/* XXX: Size is 4096 or 0x04000000 */
- memory_region_init_ram(&ocm->isarc_ram, NULL, "ppc405.ocm", 4096);
- vmstate_register_ram_global(&ocm->isarc_ram);
+ memory_region_allocate_system_memory(&ocm->isarc_ram, NULL, "ppc405.ocm",
+ 4096);
memory_region_init_alias(&ocm->dsarc_ram, NULL, "ppc405.dsarc", &ocm->isarc_ram,
0, 4096);
qemu_register_reset(&ocm_reset, ocm);
diff --git a/hw/ppc/ppc4xx_devs.c b/hw/ppc/ppc4xx_devs.c
index 8a43111a51..07f9d00ea7 100644
--- a/hw/ppc/ppc4xx_devs.c
+++ b/hw/ppc/ppc4xx_devs.c
@@ -24,6 +24,7 @@
#include "hw/hw.h"
#include "hw/ppc/ppc.h"
#include "hw/ppc/ppc4xx.h"
+#include "hw/boards.h"
#include "qemu/log.h"
#include "exec/address-spaces.h"
@@ -694,8 +695,8 @@ ram_addr_t ppc4xx_sdram_adjust(ram_addr_t ram_size, int nr_banks,
if (bank_size <= size_left) {
char name[32];
snprintf(name, sizeof(name), "ppc4xx.sdram%d", i);
- memory_region_init_ram(&ram_memories[i], NULL, name, bank_size);
- vmstate_register_ram_global(&ram_memories[i]);
+ memory_region_allocate_system_memory(&ram_memories[i], NULL,
+ name, bank_size);
ram_bases[i] = base;
ram_sizes[i] = bank_size;
base += bank_size;
diff --git a/hw/ppc/prep.c b/hw/ppc/prep.c
index aa8717d75d..f0ef1af118 100644
--- a/hw/ppc/prep.c
+++ b/hw/ppc/prep.c
@@ -417,8 +417,7 @@ static void ppc_prep_init(MachineState *machine)
}
/* allocate RAM */
- memory_region_init_ram(ram, NULL, "ppc_prep.ram", ram_size);
- vmstate_register_ram_global(ram);
+ memory_region_allocate_system_memory(ram, NULL, "ppc_prep.ram", ram_size);
memory_region_add_subregion(sysmem, 0, ram);
if (linux_boot) {
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index a23c0f080e..d01978f3dc 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -1223,6 +1223,8 @@ static void ppc_spapr_init(MachineState *machine)
int i;
MemoryRegion *sysmem = get_system_memory();
MemoryRegion *ram = g_new(MemoryRegion, 1);
+ MemoryRegion *rma_region;
+ void *rma = NULL;
hwaddr rma_alloc_size;
hwaddr node0_size = (nb_numa_nodes > 1) ? numa_info[0].node_mem : ram_size;
uint32_t initrd_base = 0;
@@ -1239,7 +1241,7 @@ static void ppc_spapr_init(MachineState *machine)
cpu_ppc_hypercall = emulate_spapr_hypercall;
/* Allocate RMA if necessary */
- rma_alloc_size = kvmppc_alloc_rma("ppc_spapr.rma", sysmem);
+ rma_alloc_size = kvmppc_alloc_rma(&rma);
if (rma_alloc_size == -1) {
hw_error("qemu: Unable to create RMA\n");
@@ -1333,13 +1335,16 @@ static void ppc_spapr_init(MachineState *machine)
/* allocate RAM */
spapr->ram_limit = ram_size;
- if (spapr->ram_limit > rma_alloc_size) {
- ram_addr_t nonrma_base = rma_alloc_size;
- ram_addr_t nonrma_size = spapr->ram_limit - rma_alloc_size;
-
- memory_region_init_ram(ram, NULL, "ppc_spapr.ram", nonrma_size);
- vmstate_register_ram_global(ram);
- memory_region_add_subregion(sysmem, nonrma_base, ram);
+ memory_region_allocate_system_memory(ram, NULL, "ppc_spapr.ram",
+ spapr->ram_limit);
+ memory_region_add_subregion(sysmem, 0, ram);
+
+ if (rma_alloc_size && rma) {
+ rma_region = g_new(MemoryRegion, 1);
+ memory_region_init_ram_ptr(rma_region, NULL, "ppc_spapr.rma",
+ rma_alloc_size, rma);
+ vmstate_register_ram_global(rma_region);
+ memory_region_add_subregion(sysmem, 0, rma_region);
}
filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, "spapr-rtas.bin");
diff --git a/hw/ppc/spapr_iommu.c b/hw/ppc/spapr_iommu.c
index 698ae60953..f6e32a48af 100644
--- a/hw/ppc/spapr_iommu.c
+++ b/hw/ppc/spapr_iommu.c
@@ -81,7 +81,7 @@ static IOMMUTLBEntry spapr_tce_translate_iommu(MemoryRegion *iommu, hwaddr addr)
ret.iova = addr & page_mask;
ret.translated_addr = tce & page_mask;
ret.addr_mask = ~page_mask;
- ret.perm = tce;
+ ret.perm = tce & IOMMU_RW;
}
trace_spapr_iommu_xlate(tcet->liobn, addr, ret.iova, ret.perm,
ret.addr_mask);
@@ -223,7 +223,7 @@ static target_ulong put_tce_emu(sPAPRTCETable *tcet, target_ulong ioba,
entry.iova = ioba & page_mask;
entry.translated_addr = tce & page_mask;
entry.addr_mask = ~page_mask;
- entry.perm = tce;
+ entry.perm = tce & IOMMU_RW;
memory_region_notify_iommu(&tcet->iommu, entry);
return H_SUCCESS;
diff --git a/hw/ppc/virtex_ml507.c b/hw/ppc/virtex_ml507.c
index 02b4f828d3..0de51481f3 100644
--- a/hw/ppc/virtex_ml507.c
+++ b/hw/ppc/virtex_ml507.c
@@ -222,8 +222,7 @@ static void virtex_init(MachineState *machine)
env = &cpu->env;
qemu_register_reset(main_cpu_reset, cpu);
- memory_region_init_ram(phys_ram, NULL, "ram", ram_size);
- vmstate_register_ram_global(phys_ram);
+ memory_region_allocate_system_memory(phys_ram, NULL, "ram", ram_size);
memory_region_add_subregion(address_space_mem, ram_base, phys_ram);
dinfo = drive_get(IF_PFLASH, 0, 0);
generated by cgit v1.2.3 (git 2.26.2) at 2025-02-04 03:51:43 +0000