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[Qemu-devel] [PATCH 11/13] pseries: Convert sPAPR TCEs to use generic IO
|
From: |
David Gibson |
|
Subject: |
[Qemu-devel] [PATCH 11/13] pseries: Convert sPAPR TCEs to use generic IOMMU infrastructure |
|
Date: |
Fri, 20 Apr 2012 14:16:55 +1000 |
The pseries platform already contains an IOMMU implementation, since it is
essential for the platform's paravirtualized VIO devices. This IOMMU
support is currently built into the implementation of the VIO "bus" and
the various VIO devices.
This patch converts this code to make use of the new common IOMMU
infrastructure.
Cc: Alex Graf <address@hidden>
Signed-off-by: David Gibson <address@hidden>
---
Makefile.target | 2 +-
hw/spapr.c | 3 +
hw/spapr.h | 16 ++++
hw/spapr_iommu.c | 248 +++++++++++++++++++++++++++++++++++++++++++++++
hw/spapr_llan.c | 63 ++++++------
hw/spapr_vio.c | 281 ++++--------------------------------------------------
hw/spapr_vio.h | 73 +++++++-------
hw/spapr_vscsi.c | 26 ++---
hw/spapr_vty.c | 2 +-
target-ppc/kvm.c | 4 +-
10 files changed, 375 insertions(+), 343 deletions(-)
create mode 100644 hw/spapr_iommu.c
diff --git a/Makefile.target b/Makefile.target
index 84951a0..66373c8 100644
--- a/Makefile.target
+++ b/Makefile.target
@@ -275,7 +275,7 @@ obj-ppc-y += ppc_oldworld.o
# NewWorld PowerMac
obj-ppc-y += ppc_newworld.o
# IBM pSeries (sPAPR)
-obj-ppc-$(CONFIG_PSERIES) += spapr.o spapr_hcall.o spapr_rtas.o spapr_vio.o
+obj-ppc-$(CONFIG_PSERIES) += spapr.o spapr_hcall.o spapr_rtas.o spapr_vio.o
spapr_iommu.o
obj-ppc-$(CONFIG_PSERIES) += xics.o spapr_vty.o spapr_llan.o spapr_vscsi.o
obj-ppc-$(CONFIG_PSERIES) += spapr_pci.o device-hotplug.o pci-hotplug.o
# PowerPC 4xx boards
diff --git a/hw/spapr.c b/hw/spapr.c
index cca20f9..1c9597b 100644
--- a/hw/spapr.c
+++ b/hw/spapr.c
@@ -626,6 +626,9 @@ static void ppc_spapr_init(ram_addr_t ram_size,
spapr->icp = xics_system_init(XICS_IRQS);
spapr->next_irq = 16;
+ /* Set up IOMMU */
+ spapr_iommu_init();
+
/* Set up VIO bus */
spapr->vio_bus = spapr_vio_bus_init();
diff --git a/hw/spapr.h b/hw/spapr.h
index 654a7a8..df3e8b1 100644
--- a/hw/spapr.h
+++ b/hw/spapr.h
@@ -319,4 +319,20 @@ target_ulong spapr_rtas_call(sPAPREnvironment *spapr,
int spapr_rtas_device_tree_setup(void *fdt, target_phys_addr_t rtas_addr,
target_phys_addr_t rtas_size);
+#define SPAPR_TCE_PAGE_SHIFT 12
+#define SPAPR_TCE_PAGE_SIZE (1ULL << SPAPR_TCE_PAGE_SHIFT)
+#define SPAPR_TCE_PAGE_MASK (SPAPR_TCE_PAGE_SIZE - 1)
+
+typedef struct sPAPRTCE {
+ uint64_t tce;
+} sPAPRTCE;
+
+#define SPAPR_VIO_BASE_LIOBN 0x00000000
+
+void spapr_iommu_init(void);
+DMAContext *spapr_tce_new_dma_context(uint32_t liobn, size_t window_size);
+void spapr_tce_free(DMAContext *dma);
+int spapr_dma_dt(void *fdt, int node_off, const char *propname,
+ DMAContext *dma);
+
#endif /* !defined (__HW_SPAPR_H__) */
diff --git a/hw/spapr_iommu.c b/hw/spapr_iommu.c
new file mode 100644
index 0000000..87ed09c
--- /dev/null
+++ b/hw/spapr_iommu.c
@@ -0,0 +1,248 @@
+/*
+ * QEMU sPAPR IOMMU (TCE) code
+ *
+ * Copyright (c) 2010 David Gibson, IBM Corporation <address@hidden>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>.
+ */
+#include "hw.h"
+#include "kvm.h"
+#include "qdev.h"
+#include "kvm_ppc.h"
+#include "dma.h"
+
+#include "hw/spapr.h"
+
+#include <libfdt.h>
+
+/* #define DEBUG_TCE */
+
+enum sPAPRTCEAccess {
+ SPAPR_TCE_FAULT = 0,
+ SPAPR_TCE_RO = 1,
+ SPAPR_TCE_WO = 2,
+ SPAPR_TCE_RW = 3,
+};
+
+typedef struct sPAPRTCETable sPAPRTCETable;
+
+struct sPAPRTCETable {
+ DMAContext dma;
+ uint32_t liobn;
+ uint32_t window_size;
+ sPAPRTCE *table;
+ int fd;
+ QLIST_ENTRY(sPAPRTCETable) list;
+};
+
+
+QLIST_HEAD(spapr_tce_tables, sPAPRTCETable) spapr_tce_tables;
+
+static sPAPRTCETable *spapr_tce_find_by_liobn(uint32_t liobn)
+{
+ sPAPRTCETable *tcet;
+
+ QLIST_FOREACH(tcet, &spapr_tce_tables, list) {
+ if (tcet->liobn == liobn) {
+ return tcet;
+ }
+ }
+
+ return NULL;
+}
+
+static int spapr_tce_translate(DMAContext *dma,
+ dma_addr_t addr,
+ target_phys_addr_t *paddr,
+ target_phys_addr_t *len,
+ DMADirection dir)
+{
+ sPAPRTCETable *tcet = DO_UPCAST(sPAPRTCETable, dma, dma);
+ enum sPAPRTCEAccess access = (dir == DMA_DIRECTION_FROM_DEVICE)
+ ? SPAPR_TCE_WO : SPAPR_TCE_RO;
+ uint64_t tce;
+
+#ifdef DEBUG_TCE
+ fprintf(stderr, "spapr_tce_translate liobn=0x%" PRIx32 " addr=0x"
+ DMA_ADDR_FMT "\n", tcet->liobn, addr);
+#endif
+
+ /* Check if we are in bound */
+ if (addr >= tcet->window_size) {
+#ifdef DEBUG_TCE
+ fprintf(stderr, "spapr_tce_translate out of bounds\n");
+#endif
+ return -EFAULT;
+ }
+
+ tce = tcet->table[addr >> SPAPR_TCE_PAGE_SHIFT].tce;
+
+ /* Check TCE */
+ if (!(tce & access)) {
+ return -EPERM;
+ }
+
+ /* How much til end of page ? */
+ *len = ((~addr) & SPAPR_TCE_PAGE_MASK) + 1;
+
+ /* Translate */
+ *paddr = (tce & ~SPAPR_TCE_PAGE_MASK) |
+ (addr & SPAPR_TCE_PAGE_MASK);
+
+#ifdef DEBUG_TCE
+ fprintf(stderr, " -> *paddr=0x" TARGET_FMT_plx ", *len=0x"
+ TARGET_FMT_plx "\n", *paddr, *len);
+#endif
+
+ return 0;
+}
+
+DMAContext *spapr_tce_new_dma_context(uint32_t liobn, size_t window_size)
+{
+ sPAPRTCETable *tcet;
+
+ if (!window_size) {
+ return NULL;
+ }
+
+ tcet = g_malloc0(sizeof(*tcet));
+ dma_context_init(&tcet->dma, spapr_tce_translate);
+
+ tcet->liobn = liobn;
+ tcet->window_size = window_size;
+
+ if (kvm_enabled()) {
+ tcet->table = kvmppc_create_spapr_tce(liobn,
+ window_size,
+ &tcet->fd);
+ }
+
+ if (!tcet->table) {
+ size_t table_size = (window_size >> SPAPR_TCE_PAGE_SHIFT)
+ * sizeof(sPAPRTCE);
+ tcet->table = g_malloc0(table_size);
+ }
+
+#ifdef DEBUG_TCE
+ fprintf(stderr, "spapr_iommu: New TCE table, liobn=0x%x, context @ %p, "
+ "table @ %p, fd=%d\n", liobn, &tcet->dma, tcet->table, tcet->fd);
+#endif
+
+ QLIST_INSERT_HEAD(&spapr_tce_tables, tcet, list);
+
+ return &tcet->dma;
+}
+
+void spapr_tce_free(DMAContext *dma)
+{
+
+ if (dma) {
+ sPAPRTCETable *tcet = DO_UPCAST(sPAPRTCETable, dma, dma);
+
+ QLIST_REMOVE(tcet, list);
+
+ if (!kvm_enabled() ||
+ (kvmppc_remove_spapr_tce(tcet->table, tcet->fd,
+ tcet->window_size) != 0)) {
+ g_free(tcet->table);
+ }
+
+ g_free(tcet);
+ }
+}
+
+
+static target_ulong h_put_tce(CPUPPCState *env, sPAPREnvironment *spapr,
+ target_ulong opcode, target_ulong *args)
+{
+ target_ulong liobn = args[0];
+ target_ulong ioba = args[1];
+ target_ulong tce = args[2];
+ sPAPRTCETable *tcet = spapr_tce_find_by_liobn(liobn);
+ sPAPRTCE *tcep;
+ target_ulong oldtce;
+
+ if (liobn & 0xFFFFFFFF00000000ULL) {
+ hcall_dprintf("spapr_vio_put_tce on out-of-boundsw LIOBN "
+ TARGET_FMT_lx "\n", liobn);
+ return H_PARAMETER;
+ }
+ if (!tcet) {
+ hcall_dprintf("spapr_vio_put_tce on non-existent LIOBN "
+ TARGET_FMT_lx "\n", liobn);
+ return H_PARAMETER;
+ }
+
+ ioba &= ~(SPAPR_TCE_PAGE_SIZE - 1);
+
+#ifdef DEBUG_TCE
+ fprintf(stderr, "spapr_vio_put_tce on liobn=" TARGET_FMT_lx /*%s*/
+ " ioba 0x" TARGET_FMT_lx " TCE 0x" TARGET_FMT_lx "\n",
+ liobn, /*dev->qdev.id, */ioba, tce);
+#endif
+
+ if (ioba >= tcet->window_size) {
+ hcall_dprintf("spapr_vio_put_tce on out-of-boards IOBA 0x"
+ TARGET_FMT_lx "\n", ioba);
+ return H_PARAMETER;
+ }
+
+ tcep = tcet->table + (ioba >> SPAPR_TCE_PAGE_SHIFT);
+ oldtce = tcep->tce;
+ tcep->tce = tce;
+
+ if (oldtce != 0) {
+ iommu_wait_for_invalidated_maps(&tcet->dma, ioba, SPAPR_TCE_PAGE_SIZE);
+ }
+
+ return H_SUCCESS;
+}
+
+void spapr_iommu_init(void)
+{
+ QLIST_INIT(&spapr_tce_tables);
+
+ /* hcall-tce */
+ spapr_register_hypercall(H_PUT_TCE, h_put_tce);
+}
+
+int spapr_dma_dt(void *fdt, int node_off, const char *propname,
+ DMAContext *dma)
+{
+ if (dma) {
+ sPAPRTCETable *tcet = DO_UPCAST(sPAPRTCETable, dma, dma);
+ uint32_t dma_prop[] = {cpu_to_be32(tcet->liobn),
+ 0, 0,
+ 0, cpu_to_be32(tcet->window_size)};
+ int ret;
+
+ 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, propname, dma_prop,
+ sizeof(dma_prop));
+ if (ret < 0) {
+ return ret;
+ }
+ }
+
+ return 0;
+}
diff --git a/hw/spapr_llan.c b/hw/spapr_llan.c
index 8313043..2dcbcea 100644
--- a/hw/spapr_llan.c
+++ b/hw/spapr_llan.c
@@ -71,7 +71,7 @@ typedef uint64_t vlan_bd_t;
#define VLAN_RXQ_BD_OFF 0
#define VLAN_FILTER_BD_OFF 8
#define VLAN_RX_BDS_OFF 16
-#define VLAN_MAX_BUFS ((SPAPR_VIO_TCE_PAGE_SIZE - VLAN_RX_BDS_OFF) / 8)
+#define VLAN_MAX_BUFS ((SPAPR_TCE_PAGE_SIZE - VLAN_RX_BDS_OFF) / 8)
typedef struct VIOsPAPRVLANDevice {
VIOsPAPRDevice sdev;
@@ -95,7 +95,7 @@ static ssize_t spapr_vlan_receive(VLANClientState *nc, const
uint8_t *buf,
{
VIOsPAPRDevice *sdev = DO_UPCAST(NICState, nc, nc)->opaque;
VIOsPAPRVLANDevice *dev = (VIOsPAPRVLANDevice *)sdev;
- vlan_bd_t rxq_bd = ldq_tce(sdev, dev->buf_list + VLAN_RXQ_BD_OFF);
+ vlan_bd_t rxq_bd = vio_ldq(sdev, dev->buf_list + VLAN_RXQ_BD_OFF);
vlan_bd_t bd;
int buf_ptr = dev->use_buf_ptr;
uint64_t handle;
@@ -114,11 +114,11 @@ static ssize_t spapr_vlan_receive(VLANClientState *nc,
const uint8_t *buf,
do {
buf_ptr += 8;
- if (buf_ptr >= SPAPR_VIO_TCE_PAGE_SIZE) {
+ if (buf_ptr >= SPAPR_TCE_PAGE_SIZE) {
buf_ptr = VLAN_RX_BDS_OFF;
}
- bd = ldq_tce(sdev, dev->buf_list + buf_ptr);
+ bd = vio_ldq(sdev, dev->buf_list + buf_ptr);
dprintf("use_buf_ptr=%d bd=0x%016llx\n",
buf_ptr, (unsigned long long)bd);
} while ((!(bd & VLAN_BD_VALID) || (VLAN_BD_LEN(bd) < (size + 8)))
@@ -132,12 +132,12 @@ static ssize_t spapr_vlan_receive(VLANClientState *nc,
const uint8_t *buf,
/* Remove the buffer from the pool */
dev->rx_bufs--;
dev->use_buf_ptr = buf_ptr;
- stq_tce(sdev, dev->buf_list + dev->use_buf_ptr, 0);
+ vio_stq(sdev, dev->buf_list + dev->use_buf_ptr, 0);
dprintf("Found buffer: ptr=%d num=%d\n", dev->use_buf_ptr, dev->rx_bufs);
/* Transfer the packet data */
- if (spapr_tce_dma_write(sdev, VLAN_BD_ADDR(bd) + 8, buf, size) < 0) {
+ if (spapr_vio_dma_write(sdev, VLAN_BD_ADDR(bd) + 8, buf, size) < 0) {
return -1;
}
@@ -149,23 +149,23 @@ static ssize_t spapr_vlan_receive(VLANClientState *nc,
const uint8_t *buf,
control ^= VLAN_RXQC_TOGGLE;
}
- handle = ldq_tce(sdev, VLAN_BD_ADDR(bd));
- stq_tce(sdev, VLAN_BD_ADDR(rxq_bd) + dev->rxq_ptr + 8, handle);
- stw_tce(sdev, VLAN_BD_ADDR(rxq_bd) + dev->rxq_ptr + 4, size);
- sth_tce(sdev, VLAN_BD_ADDR(rxq_bd) + dev->rxq_ptr + 2, 8);
- stb_tce(sdev, VLAN_BD_ADDR(rxq_bd) + dev->rxq_ptr, control);
+ handle = vio_ldq(sdev, VLAN_BD_ADDR(bd));
+ vio_stq(sdev, VLAN_BD_ADDR(rxq_bd) + dev->rxq_ptr + 8, handle);
+ vio_stl(sdev, VLAN_BD_ADDR(rxq_bd) + dev->rxq_ptr + 4, size);
+ vio_sth(sdev, VLAN_BD_ADDR(rxq_bd) + dev->rxq_ptr + 2, 8);
+ vio_stb(sdev, VLAN_BD_ADDR(rxq_bd) + dev->rxq_ptr, control);
dprintf("wrote rxq entry (ptr=0x%llx): 0x%016llx 0x%016llx\n",
(unsigned long long)dev->rxq_ptr,
- (unsigned long long)ldq_tce(sdev, VLAN_BD_ADDR(rxq_bd) +
+ (unsigned long long)vio_ldq(sdev, VLAN_BD_ADDR(rxq_bd) +
dev->rxq_ptr),
- (unsigned long long)ldq_tce(sdev, VLAN_BD_ADDR(rxq_bd) +
+ (unsigned long long)vio_ldq(sdev, VLAN_BD_ADDR(rxq_bd) +
dev->rxq_ptr + 8));
dev->rxq_ptr += 16;
if (dev->rxq_ptr >= VLAN_BD_LEN(rxq_bd)) {
dev->rxq_ptr = 0;
- stq_tce(sdev, dev->buf_list + VLAN_RXQ_BD_OFF, rxq_bd ^
VLAN_BD_TOGGLE);
+ vio_stq(sdev, dev->buf_list + VLAN_RXQ_BD_OFF, rxq_bd ^
VLAN_BD_TOGGLE);
}
if (sdev->signal_state & 1) {
@@ -254,8 +254,10 @@ static int check_bd(VIOsPAPRVLANDevice *dev, vlan_bd_t bd,
return -1;
}
- if (spapr_vio_check_tces(&dev->sdev, VLAN_BD_ADDR(bd),
- VLAN_BD_LEN(bd), SPAPR_TCE_RW) != 0) {
+ if (!spapr_vio_dma_valid(&dev->sdev, VLAN_BD_ADDR(bd),
+ VLAN_BD_LEN(bd), DMA_DIRECTION_FROM_DEVICE)
+ || !spapr_vio_dma_valid(&dev->sdev, VLAN_BD_ADDR(bd),
+ VLAN_BD_LEN(bd), DMA_DIRECTION_TO_DEVICE)) {
return -1;
}
@@ -285,14 +287,14 @@ static target_ulong h_register_logical_lan(CPUPPCState
*env,
return H_RESOURCE;
}
- if (check_bd(dev, VLAN_VALID_BD(buf_list, SPAPR_VIO_TCE_PAGE_SIZE),
- SPAPR_VIO_TCE_PAGE_SIZE) < 0) {
+ if (check_bd(dev, VLAN_VALID_BD(buf_list, SPAPR_TCE_PAGE_SIZE),
+ SPAPR_TCE_PAGE_SIZE) < 0) {
hcall_dprintf("Bad buf_list 0x" TARGET_FMT_lx "\n", buf_list);
return H_PARAMETER;
}
- filter_list_bd = VLAN_VALID_BD(filter_list, SPAPR_VIO_TCE_PAGE_SIZE);
- if (check_bd(dev, filter_list_bd, SPAPR_VIO_TCE_PAGE_SIZE) < 0) {
+ filter_list_bd = VLAN_VALID_BD(filter_list, SPAPR_TCE_PAGE_SIZE);
+ if (check_bd(dev, filter_list_bd, SPAPR_TCE_PAGE_SIZE) < 0) {
hcall_dprintf("Bad filter_list 0x" TARGET_FMT_lx "\n", filter_list);
return H_PARAMETER;
}
@@ -309,17 +311,17 @@ static target_ulong h_register_logical_lan(CPUPPCState
*env,
rec_queue &= ~VLAN_BD_TOGGLE;
/* Initialize the buffer list */
- stq_tce(sdev, buf_list, rec_queue);
- stq_tce(sdev, buf_list + 8, filter_list_bd);
- spapr_tce_dma_zero(sdev, buf_list + VLAN_RX_BDS_OFF,
- SPAPR_VIO_TCE_PAGE_SIZE - VLAN_RX_BDS_OFF);
+ vio_stq(sdev, buf_list, rec_queue);
+ vio_stq(sdev, buf_list + 8, filter_list_bd);
+ spapr_vio_dma_zero(sdev, buf_list + VLAN_RX_BDS_OFF,
+ SPAPR_TCE_PAGE_SIZE - VLAN_RX_BDS_OFF);
dev->add_buf_ptr = VLAN_RX_BDS_OFF - 8;
dev->use_buf_ptr = VLAN_RX_BDS_OFF - 8;
dev->rx_bufs = 0;
dev->rxq_ptr = 0;
/* Initialize the receive queue */
- spapr_tce_dma_zero(sdev, VLAN_BD_ADDR(rec_queue), VLAN_BD_LEN(rec_queue));
+ spapr_vio_dma_zero(sdev, VLAN_BD_ADDR(rec_queue), VLAN_BD_LEN(rec_queue));
dev->isopen = 1;
return H_SUCCESS;
@@ -378,14 +380,14 @@ static target_ulong h_add_logical_lan_buffer(CPUPPCState
*env,
do {
dev->add_buf_ptr += 8;
- if (dev->add_buf_ptr >= SPAPR_VIO_TCE_PAGE_SIZE) {
+ if (dev->add_buf_ptr >= SPAPR_TCE_PAGE_SIZE) {
dev->add_buf_ptr = VLAN_RX_BDS_OFF;
}
- bd = ldq_tce(sdev, dev->buf_list + dev->add_buf_ptr);
+ bd = vio_ldq(sdev, dev->buf_list + dev->add_buf_ptr);
} while (bd & VLAN_BD_VALID);
- stq_tce(sdev, dev->buf_list + dev->add_buf_ptr, buf);
+ vio_stq(sdev, dev->buf_list + dev->add_buf_ptr, buf);
dev->rx_bufs++;
@@ -451,7 +453,7 @@ static target_ulong h_send_logical_lan(CPUPPCState *env,
sPAPREnvironment *spapr
lbuf = alloca(total_len);
p = lbuf;
for (i = 0; i < nbufs; i++) {
- ret = spapr_tce_dma_read(sdev, VLAN_BD_ADDR(bufs[i]),
+ ret = spapr_vio_dma_read(sdev, VLAN_BD_ADDR(bufs[i]),
p, VLAN_BD_LEN(bufs[i]));
if (ret < 0) {
return ret;
@@ -479,7 +481,7 @@ static target_ulong h_multicast_ctrl(CPUPPCState *env,
sPAPREnvironment *spapr,
}
static Property spapr_vlan_properties[] = {
- DEFINE_SPAPR_PROPERTIES(VIOsPAPRVLANDevice, sdev, 0x10000000),
+ DEFINE_SPAPR_PROPERTIES(VIOsPAPRVLANDevice, sdev),
DEFINE_NIC_PROPERTIES(VIOsPAPRVLANDevice, nicconf),
DEFINE_PROP_END_OF_LIST(),
};
@@ -497,6 +499,7 @@ static void spapr_vlan_class_init(ObjectClass *klass, void
*data)
k->dt_compatible = "IBM,l-lan";
k->signal_mask = 0x1;
dc->props = spapr_vlan_properties;
+ k->rtce_window_size = 0x10000000;
}
static TypeInfo spapr_vlan_info = {
diff --git a/hw/spapr_vio.c b/hw/spapr_vio.c
index 315ab80..9a0a6e9 100644
--- a/hw/spapr_vio.c
+++ b/hw/spapr_vio.c
@@ -39,7 +39,6 @@
#endif /* CONFIG_FDT */
/* #define DEBUG_SPAPR */
-/* #define DEBUG_TCE */
#ifdef DEBUG_SPAPR
#define dprintf(fmt, ...) \
@@ -141,26 +140,9 @@ static int vio_make_devnode(VIOsPAPRDevice *dev,
}
}
- 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_dma_dt(fdt, node_off, "ibm,my-dma-window", dev->dma);
+ if (ret < 0) {
+ return ret;
}
if (pc->devnode) {
@@ -175,232 +157,6 @@ static int vio_make_devnode(VIOsPAPRDevice *dev,
#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(CPUPPCState *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("LIOBN 0x" TARGET_FMT_lx " does not exist\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("Out-of-bounds 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(CPUPPCState *env, sPAPREnvironment *spapr,
@@ -524,7 +280,7 @@ int spapr_vio_send_crq(VIOsPAPRDevice *dev, uint8_t *crq)
}
/* 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;
}
@@ -532,7 +288,7 @@ int spapr_vio_send_crq(VIOsPAPRDevice *dev, uint8_t *crq)
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;
@@ -540,7 +296,7 @@ int spapr_vio_send_crq(VIOsPAPRDevice *dev, uint8_t *crq)
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;
}
@@ -558,13 +314,13 @@ int spapr_vio_send_crq(VIOsPAPRDevice *dev, uint8_t *crq)
static void spapr_vio_quiesce_one(VIOsPAPRDevice *dev)
{
- dev->flags &= ~VIO_PAPR_FLAG_DMA_BYPASS;
+ VIOsPAPRDeviceClass *pc = VIO_SPAPR_DEVICE_GET_CLASS(dev);
+ uint32_t liobn = SPAPR_VIO_BASE_LIOBN | dev->reg;
- 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_free(dev->dma);
}
+ dev->dma = spapr_tce_new_dma_context(liobn, pc->rtce_window_size);
dev->crq.qladdr = 0;
dev->crq.qsize = 0;
@@ -591,9 +347,13 @@ static void rtas_set_tce_bypass(sPAPREnvironment *spapr,
uint32_t token,
return;
}
if (enable) {
- dev->flags |= VIO_PAPR_FLAG_DMA_BYPASS;
+ spapr_tce_free(dev->dma);
+ dev->dma = NULL;
} else {
- dev->flags &= ~VIO_PAPR_FLAG_DMA_BYPASS;
+ VIOsPAPRDeviceClass *pc = VIO_SPAPR_DEVICE_GET_CLASS(dev);
+ uint32_t liobn = SPAPR_VIO_BASE_LIOBN | dev->reg;
+
+ dev->dma = spapr_tce_new_dma_context(liobn, pc->rtce_window_size);
}
rtas_st(rets, 0, 0);
@@ -660,6 +420,7 @@ static int spapr_vio_busdev_init(DeviceState *qdev)
{
VIOsPAPRDevice *dev = (VIOsPAPRDevice *)qdev;
VIOsPAPRDeviceClass *pc = VIO_SPAPR_DEVICE_GET_CLASS(dev);
+ uint32_t liobn;
char *id;
if (dev->reg != -1) {
@@ -701,7 +462,8 @@ static int spapr_vio_busdev_init(DeviceState *qdev)
return -1;
}
- rtce_init(dev);
+ liobn = SPAPR_VIO_BASE_LIOBN | dev->reg;
+ dev->dma = spapr_tce_new_dma_context(liobn, pc->rtce_window_size);
return pc->init(dev);
}
@@ -749,9 +511,6 @@ VIOsPAPRBus *spapr_vio_bus_init(void)
/* 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);
diff --git a/hw/spapr_vio.h b/hw/spapr_vio.h
index 87816e4..db1698a 100644
--- a/hw/spapr_vio.h
+++ b/hw/spapr_vio.h
@@ -21,16 +21,7 @@
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
-#define SPAPR_VIO_TCE_PAGE_SHIFT 12
-#define SPAPR_VIO_TCE_PAGE_SIZE (1ULL << SPAPR_VIO_TCE_PAGE_SHIFT)
-#define SPAPR_VIO_TCE_PAGE_MASK (SPAPR_VIO_TCE_PAGE_SIZE - 1)
-
-enum VIOsPAPR_TCEAccess {
- SPAPR_TCE_FAULT = 0,
- SPAPR_TCE_RO = 1,
- SPAPR_TCE_WO = 2,
- SPAPR_TCE_RW = 3,
-};
+#include "dma.h"
#define TYPE_VIO_SPAPR_DEVICE "vio-spapr-device"
#define VIO_SPAPR_DEVICE(obj) \
@@ -42,10 +33,6 @@ enum VIOsPAPR_TCEAccess {
struct VIOsPAPRDevice;
-typedef struct VIOsPAPR_RTCE {
- uint64_t tce;
-} VIOsPAPR_RTCE;
-
typedef struct VIOsPAPR_CRQ {
uint64_t qladdr;
uint32_t qsize;
@@ -61,6 +48,7 @@ typedef struct VIOsPAPRDeviceClass {
const char *dt_name, *dt_type, *dt_compatible;
target_ulong signal_mask;
+ uint32_t rtce_window_size;
int (*init)(VIOsPAPRDevice *dev);
void (*reset)(VIOsPAPRDevice *dev);
int (*devnode)(VIOsPAPRDevice *dev, void *fdt, int node_off);
@@ -70,20 +58,15 @@ struct VIOsPAPRDevice {
DeviceState qdev;
uint32_t reg;
uint32_t flags;
-#define VIO_PAPR_FLAG_DMA_BYPASS 0x1
qemu_irq qirq;
uint32_t vio_irq_num;
target_ulong signal_state;
- uint32_t rtce_window_size;
- VIOsPAPR_RTCE *rtce_table;
- int kvmtce_fd;
VIOsPAPR_CRQ crq;
+ DMAContext *dma;
};
-#define DEFINE_SPAPR_PROPERTIES(type, field, default_dma_window) \
- DEFINE_PROP_UINT32("reg", type, field.reg, -1), \
- DEFINE_PROP_UINT32("dma-window", type, field.rtce_window_size, \
- default_dma_window)
+#define DEFINE_SPAPR_PROPERTIES(type, field) \
+ DEFINE_PROP_UINT32("reg", type, field.reg, -1)
struct VIOsPAPRBus {
BusState bus;
@@ -99,20 +82,38 @@ extern int spapr_populate_chosen_stdout(void *fdt,
VIOsPAPRBus *bus);
extern int spapr_vio_signal(VIOsPAPRDevice *dev, target_ulong mode);
-int spapr_vio_check_tces(VIOsPAPRDevice *dev, target_ulong ioba,
- target_ulong len,
- enum VIOsPAPR_TCEAccess access);
-
-int spapr_tce_dma_read(VIOsPAPRDevice *dev, uint64_t taddr,
- void *buf, uint32_t size);
-int spapr_tce_dma_write(VIOsPAPRDevice *dev, uint64_t taddr,
- const void *buf, uint32_t size);
-int spapr_tce_dma_zero(VIOsPAPRDevice *dev, uint64_t taddr, uint32_t size);
-void stb_tce(VIOsPAPRDevice *dev, uint64_t taddr, uint8_t val);
-void sth_tce(VIOsPAPRDevice *dev, uint64_t taddr, uint16_t val);
-void stw_tce(VIOsPAPRDevice *dev, uint64_t taddr, uint32_t val);
-void stq_tce(VIOsPAPRDevice *dev, uint64_t taddr, uint64_t val);
-uint64_t ldq_tce(VIOsPAPRDevice *dev, uint64_t taddr);
+static inline bool spapr_vio_dma_valid(VIOsPAPRDevice *dev, uint64_t taddr,
+ uint32_t size, DMADirection dir)
+{
+ return dma_memory_valid(dev->dma, taddr, size, dir);
+}
+
+static inline int spapr_vio_dma_read(VIOsPAPRDevice *dev, uint64_t taddr,
+ void *buf, uint32_t size)
+{
+ return (dma_memory_read(dev->dma, taddr, buf, size) != 0) ?
+ H_DEST_PARM : H_SUCCESS;
+}
+
+static inline int spapr_vio_dma_write(VIOsPAPRDevice *dev, uint64_t taddr,
+ const void *buf, uint32_t size)
+{
+ return (dma_memory_write(dev->dma, taddr, buf, size) != 0) ?
+ H_DEST_PARM : H_SUCCESS;
+}
+
+static inline int spapr_vio_dma_zero(VIOsPAPRDevice *dev, uint64_t taddr,
+ uint32_t size)
+{
+ return (dma_memory_zero(dev->dma, taddr, size) != 0) ?
+ H_DEST_PARM : H_SUCCESS;
+}
+
+#define vio_stb(_dev, _addr, _val) (stb_dma((_dev)->dma, (_addr), (_val)))
+#define vio_sth(_dev, _addr, _val) (stw_be_dma((_dev)->dma, (_addr), (_val)))
+#define vio_stl(_dev, _addr, _val) (stl_be_dma((_dev)->dma, (_addr), (_val)))
+#define vio_stq(_dev, _addr, _val) (stq_be_dma((_dev)->dma, (_addr), (_val)))
+#define vio_ldq(_dev, _addr) (ldq_be_dma((_dev)->dma, (_addr)))
int spapr_vio_send_crq(VIOsPAPRDevice *dev, uint8_t *crq);
diff --git a/hw/spapr_vscsi.c b/hw/spapr_vscsi.c
index 037867a..d2fe3e5 100644
--- a/hw/spapr_vscsi.c
+++ b/hw/spapr_vscsi.c
@@ -165,7 +165,7 @@ static int vscsi_send_iu(VSCSIState *s, vscsi_req *req,
long rc, rc1;
/* First copy the SRP */
- rc = spapr_tce_dma_write(&s->vdev, req->crq.s.IU_data_ptr,
+ rc = spapr_vio_dma_write(&s->vdev, req->crq.s.IU_data_ptr,
&req->iu, length);
if (rc) {
fprintf(stderr, "vscsi_send_iu: DMA write failure !\n");
@@ -281,9 +281,9 @@ static int vscsi_srp_direct_data(VSCSIState *s, vscsi_req
*req,
llen = MIN(len, md->len);
if (llen) {
if (req->writing) { /* writing = to device = reading from memory */
- rc = spapr_tce_dma_read(&s->vdev, md->va, buf, llen);
+ rc = spapr_vio_dma_read(&s->vdev, md->va, buf, llen);
} else {
- rc = spapr_tce_dma_write(&s->vdev, md->va, buf, llen);
+ rc = spapr_vio_dma_write(&s->vdev, md->va, buf, llen);
}
}
md->len -= llen;
@@ -329,10 +329,11 @@ static int vscsi_srp_indirect_data(VSCSIState *s,
vscsi_req *req,
md = req->cur_desc = &req->ext_desc;
dprintf("VSCSI: Reading desc from 0x%llx\n",
(unsigned long long)td->va);
- rc = spapr_tce_dma_read(&s->vdev, td->va, md,
+ rc = spapr_vio_dma_read(&s->vdev, td->va, md,
sizeof(struct srp_direct_buf));
if (rc) {
- dprintf("VSCSI: tce_dma_read -> %d reading ext_desc\n", rc);
+ dprintf("VSCSI: spapr_vio_dma_read -> %d reading ext_desc\n",
+ rc);
break;
}
vscsi_swap_desc(md);
@@ -345,12 +346,12 @@ static int vscsi_srp_indirect_data(VSCSIState *s,
vscsi_req *req,
/* Perform transfer */
llen = MIN(len, md->len);
if (req->writing) { /* writing = to device = reading from memory */
- rc = spapr_tce_dma_read(&s->vdev, md->va, buf, llen);
+ rc = spapr_vio_dma_read(&s->vdev, md->va, buf, llen);
} else {
- rc = spapr_tce_dma_write(&s->vdev, md->va, buf, llen);
+ rc = spapr_vio_dma_write(&s->vdev, md->va, buf, llen);
}
if (rc) {
- dprintf("VSCSI: tce_dma_r/w(%d) -> %d\n", req->writing, rc);
+ dprintf("VSCSI: spapr_vio_dma_r/w(%d) -> %d\n", req->writing, rc);
break;
}
dprintf("VSCSI: data: %02x %02x %02x %02x...\n",
@@ -728,7 +729,7 @@ static int vscsi_send_adapter_info(VSCSIState *s, vscsi_req
*req)
sinfo = &req->iu.mad.adapter_info;
#if 0 /* What for ? */
- rc = spapr_tce_dma_read(&s->vdev, be64_to_cpu(sinfo->buffer),
+ rc = spapr_vio_dma_read(&s->vdev, be64_to_cpu(sinfo->buffer),
&info, be16_to_cpu(sinfo->common.length));
if (rc) {
fprintf(stderr, "vscsi_send_adapter_info: DMA read failure !\n");
@@ -742,7 +743,7 @@ static int vscsi_send_adapter_info(VSCSIState *s, vscsi_req
*req)
info.os_type = cpu_to_be32(2);
info.port_max_txu[0] = cpu_to_be32(VSCSI_MAX_SECTORS << 9);
- rc = spapr_tce_dma_write(&s->vdev, be64_to_cpu(sinfo->buffer),
+ rc = spapr_vio_dma_write(&s->vdev, be64_to_cpu(sinfo->buffer),
&info, be16_to_cpu(sinfo->common.length));
if (rc) {
fprintf(stderr, "vscsi_send_adapter_info: DMA write failure !\n");
@@ -804,7 +805,7 @@ static void vscsi_got_payload(VSCSIState *s, vscsi_crq *crq)
}
/* XXX Handle failure differently ? */
- if (spapr_tce_dma_read(&s->vdev, crq->s.IU_data_ptr, &req->iu,
+ if (spapr_vio_dma_read(&s->vdev, crq->s.IU_data_ptr, &req->iu,
crq->s.IU_length)) {
fprintf(stderr, "vscsi_got_payload: DMA read failure !\n");
g_free(req);
@@ -945,7 +946,7 @@ static int spapr_vscsi_devnode(VIOsPAPRDevice *dev, void
*fdt, int node_off)
}
static Property spapr_vscsi_properties[] = {
- DEFINE_SPAPR_PROPERTIES(VSCSIState, vdev, 0x10000000),
+ DEFINE_SPAPR_PROPERTIES(VSCSIState, vdev),
DEFINE_PROP_END_OF_LIST(),
};
@@ -962,6 +963,7 @@ static void spapr_vscsi_class_init(ObjectClass *klass, void
*data)
k->dt_compatible = "IBM,v-scsi";
k->signal_mask = 0x00000001;
dc->props = spapr_vscsi_properties;
+ k->rtce_window_size = 0x10000000;
}
static TypeInfo spapr_vscsi_info = {
diff --git a/hw/spapr_vty.c b/hw/spapr_vty.c
index c9674f3..f0b27b1 100644
--- a/hw/spapr_vty.c
+++ b/hw/spapr_vty.c
@@ -133,7 +133,7 @@ void spapr_vty_create(VIOsPAPRBus *bus, CharDriverState
*chardev)
}
static Property spapr_vty_properties[] = {
- DEFINE_SPAPR_PROPERTIES(VIOsPAPRVTYDevice, sdev, 0),
+ DEFINE_SPAPR_PROPERTIES(VIOsPAPRVTYDevice, sdev),
DEFINE_PROP_CHR("chardev", VIOsPAPRVTYDevice, chardev),
DEFINE_PROP_END_OF_LIST(),
};
diff --git a/target-ppc/kvm.c b/target-ppc/kvm.c
index c09cc39..0ab7630 100644
--- a/target-ppc/kvm.c
+++ b/target-ppc/kvm.c
@@ -859,7 +859,7 @@ void *kvmppc_create_spapr_tce(uint32_t liobn, uint32_t
window_size, int *pfd)
return NULL;
}
- len = (window_size / SPAPR_VIO_TCE_PAGE_SIZE) * sizeof(VIOsPAPR_RTCE);
+ len = (window_size / SPAPR_TCE_PAGE_SIZE) * sizeof(sPAPRTCE);
/* FIXME: round this up to page size */
table = mmap(NULL, len, PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0);
@@ -882,7 +882,7 @@ int kvmppc_remove_spapr_tce(void *table, int fd, uint32_t
window_size)
return -1;
}
- len = (window_size / SPAPR_VIO_TCE_PAGE_SIZE)*sizeof(VIOsPAPR_RTCE);
+ len = (window_size / SPAPR_TCE_PAGE_SIZE)*sizeof(sPAPRTCE);
if ((munmap(table, len) < 0) ||
(close(fd) < 0)) {
fprintf(stderr, "KVM: Unexpected error removing TCE table: %s",
--
1.7.9.5
- [Qemu-devel] [PATCH 04/13] iommu: Add universal DMA helper functions, (continued)
- [Qemu-devel] [PATCH 04/13] iommu: Add universal DMA helper functions, David Gibson, 2012/04/20
- [Qemu-devel] [PATCH 01/13] Better support for dma_addr_t variables, David Gibson, 2012/04/20
- [Qemu-devel] [PATCH 12/13] iommu: Allow PCI to use IOMMU infrastructure, David Gibson, 2012/04/20
- [Qemu-devel] [PATCH 08/13] usb: Convert usb_packet_{map, unmap} to universal DMA helpers, David Gibson, 2012/04/20
- [Qemu-devel] [PATCH 02/13] usb-xhci: Use PCI DMA helper functions, David Gibson, 2012/04/20
- [Qemu-devel] [PATCH 13/13] pseries: Implement IOMMU and DMA for PAPR PCI devices, David Gibson, 2012/04/20
- [Qemu-devel] [PATCH 06/13] iommu: Make sglists and dma_bdrv helpers use new universal DMA helpers, David Gibson, 2012/04/20
- [Qemu-devel] [PATCH 09/13] iommu: Introduce IOMMU emulation infrastructure, David Gibson, 2012/04/20
- [Qemu-devel] [PATCH 10/13] iommu: Add facility to cancel in-use dma memory maps, David Gibson, 2012/04/20
- [Qemu-devel] [PATCH 05/13] usb-ohci: Use universal DMA helper functions, David Gibson, 2012/04/20
- [Qemu-devel] [PATCH 11/13] pseries: Convert sPAPR TCEs to use generic IOMMU infrastructure,
David Gibson <=
- Re: [Qemu-devel] [RFC 0/13] Support for guest visible IOMMUs, Kevin Wolf, 2012/04/20