aboutsummaryrefslogtreecommitdiff
path: root/hw
diff options
context:
space:
mode:
Diffstat (limited to 'hw')
-rw-r--r--hw/core/Makefile.objs1
-rw-r--r--hw/core/fw-path-provider.c51
-rw-r--r--hw/core/qdev.c18
-rw-r--r--hw/net/spapr_llan.c3
-rw-r--r--hw/nvram/fw_cfg.c2
-rw-r--r--hw/ppc/spapr.c107
-rw-r--r--hw/ppc/spapr_hcall.c52
-rw-r--r--hw/ppc/spapr_vio.c3
8 files changed, 217 insertions, 20 deletions
diff --git a/hw/core/Makefile.objs b/hw/core/Makefile.objs
index 981593c7e6..5377d052e9 100644
--- a/hw/core/Makefile.objs
+++ b/hw/core/Makefile.objs
@@ -1,5 +1,6 @@
# core qdev-related obj files, also used by *-user:
common-obj-y += qdev.o qdev-properties.o
+common-obj-y += fw-path-provider.o
# irq.o needed for qdev GPIO handling:
common-obj-y += irq.o
common-obj-y += hotplug.o
diff --git a/hw/core/fw-path-provider.c b/hw/core/fw-path-provider.c
new file mode 100644
index 0000000000..b11715733d
--- /dev/null
+++ b/hw/core/fw-path-provider.c
@@ -0,0 +1,51 @@
+/*
+ * Firmware patch provider class and helpers.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; under version 2 of the License.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "hw/fw-path-provider.h"
+
+char *fw_path_provider_get_dev_path(FWPathProvider *p, BusState *bus,
+ DeviceState *dev)
+{
+ FWPathProviderClass *k = FW_PATH_PROVIDER_GET_CLASS(p);
+
+ return k->get_dev_path(p, bus, dev);
+}
+
+char *fw_path_provider_try_get_dev_path(Object *o, BusState *bus,
+ DeviceState *dev)
+{
+ FWPathProvider *p = (FWPathProvider *)
+ object_dynamic_cast(o, TYPE_FW_PATH_PROVIDER);
+
+ if (p) {
+ return fw_path_provider_get_dev_path(p, bus, dev);
+ }
+
+ return NULL;
+}
+
+static const TypeInfo fw_path_provider_info = {
+ .name = TYPE_FW_PATH_PROVIDER,
+ .parent = TYPE_INTERFACE,
+ .class_size = sizeof(FWPathProviderClass),
+};
+
+static void fw_path_provider_register_types(void)
+{
+ type_register_static(&fw_path_provider_info);
+}
+
+type_init(fw_path_provider_register_types)
diff --git a/hw/core/qdev.c b/hw/core/qdev.c
index 97acf62906..60f9df1ed9 100644
--- a/hw/core/qdev.c
+++ b/hw/core/qdev.c
@@ -26,6 +26,7 @@
this API directly. */
#include "hw/qdev.h"
+#include "hw/fw-path-provider.h"
#include "sysemu/sysemu.h"
#include "qapi/error.h"
#include "qapi/qmp/qerror.h"
@@ -570,6 +571,18 @@ static char *bus_get_fw_dev_path(BusState *bus, DeviceState *dev)
return NULL;
}
+static char *qdev_get_fw_dev_path_from_handler(BusState *bus, DeviceState *dev)
+{
+ Object *obj = OBJECT(dev);
+ char *d = NULL;
+
+ while (!d && obj->parent) {
+ obj = obj->parent;
+ d = fw_path_provider_try_get_dev_path(obj, bus, dev);
+ }
+ return d;
+}
+
static int qdev_get_fw_dev_path_helper(DeviceState *dev, char *p, int size)
{
int l = 0;
@@ -577,7 +590,10 @@ static int qdev_get_fw_dev_path_helper(DeviceState *dev, char *p, int size)
if (dev && dev->parent_bus) {
char *d;
l = qdev_get_fw_dev_path_helper(dev->parent_bus->parent, p, size);
- d = bus_get_fw_dev_path(dev->parent_bus, dev);
+ d = qdev_get_fw_dev_path_from_handler(dev->parent_bus, dev);
+ if (!d) {
+ d = bus_get_fw_dev_path(dev->parent_bus, dev);
+ }
if (d) {
l += snprintf(p + l, size - l, "%s", d);
g_free(d);
diff --git a/hw/net/spapr_llan.c b/hw/net/spapr_llan.c
index f6fbcb56bf..c433337b67 100644
--- a/hw/net/spapr_llan.c
+++ b/hw/net/spapr_llan.c
@@ -29,6 +29,7 @@
#include "hw/qdev.h"
#include "hw/ppc/spapr.h"
#include "hw/ppc/spapr_vio.h"
+#include "sysemu/sysemu.h"
#include <libfdt.h>
@@ -213,6 +214,8 @@ static int spapr_vlan_init(VIOsPAPRDevice *sdev)
object_get_typename(OBJECT(sdev)), sdev->qdev.id, dev);
qemu_format_nic_info_str(qemu_get_queue(dev->nic), dev->nicconf.macaddr.a);
+ add_boot_device_path(dev->nicconf.bootindex, DEVICE(dev), "");
+
return 0;
}
diff --git a/hw/nvram/fw_cfg.c b/hw/nvram/fw_cfg.c
index cb36dc2d0c..282341ac1b 100644
--- a/hw/nvram/fw_cfg.c
+++ b/hw/nvram/fw_cfg.c
@@ -504,7 +504,7 @@ static void fw_cfg_machine_ready(struct Notifier *n, void *data)
{
size_t len;
FWCfgState *s = container_of(n, FWCfgState, machine_ready);
- char *bootindex = get_boot_devices_list(&len);
+ char *bootindex = get_boot_devices_list(&len, false);
fw_cfg_add_file(s, "bootorder", (uint8_t*)bootindex, len);
}
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index 5c9a154d6a..a11e1217b9 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -26,6 +26,7 @@
*/
#include "sysemu/sysemu.h"
#include "hw/hw.h"
+#include "hw/fw-path-provider.h"
#include "elf.h"
#include "net/net.h"
#include "sysemu/blockdev.h"
@@ -45,6 +46,8 @@
#include "hw/pci/msi.h"
#include "hw/pci/pci.h"
+#include "hw/scsi/scsi.h"
+#include "hw/virtio/virtio-scsi.h"
#include "exec/address-spaces.h"
#include "hw/usb.h"
@@ -81,6 +84,8 @@
#define HTAB_SIZE(spapr) (1ULL << ((spapr)->htab_shift))
+#define TYPE_SPAPR_MACHINE "spapr-machine"
+
sPAPREnvironment *spapr;
int spapr_allocate_irq(int hint, bool lsi)
@@ -598,7 +603,9 @@ static void spapr_finalize_fdt(sPAPREnvironment *spapr,
hwaddr rtas_addr,
hwaddr rtas_size)
{
- int ret;
+ int ret, i;
+ size_t cb = 0;
+ char *bootlist;
void *fdt;
sPAPRPHBState *phb;
@@ -640,6 +647,21 @@ static void spapr_finalize_fdt(sPAPREnvironment *spapr,
fprintf(stderr, "Couldn't finalize CPU device tree properties\n");
}
+ bootlist = get_boot_devices_list(&cb, true);
+ if (cb && bootlist) {
+ int offset = fdt_path_offset(fdt, "/chosen");
+ if (offset < 0) {
+ exit(1);
+ }
+ for (i = 0; i < cb; i++) {
+ if (bootlist[i] == '\n') {
+ bootlist[i] = ' ';
+ }
+
+ }
+ ret = fdt_setprop_string(fdt, offset, "qemu,boot-list", bootlist);
+ }
+
if (!spapr->has_graphics) {
spapr_populate_chosen_stdout(fdt, spapr->vio_bus);
}
@@ -1410,9 +1432,86 @@ static QEMUMachine spapr_machine = {
.kvm_type = spapr_kvm_type,
};
-static void spapr_machine_init(void)
+/*
+ * Implementation of an interface to adjust firmware patch
+ * for the bootindex property handling.
+ */
+static char *spapr_get_fw_dev_path(FWPathProvider *p, BusState *bus,
+ DeviceState *dev)
+{
+#define CAST(type, obj, name) \
+ ((type *)object_dynamic_cast(OBJECT(obj), (name)))
+ SCSIDevice *d = CAST(SCSIDevice, dev, TYPE_SCSI_DEVICE);
+ sPAPRPHBState *phb = CAST(sPAPRPHBState, dev, TYPE_SPAPR_PCI_HOST_BRIDGE);
+
+ if (d) {
+ void *spapr = CAST(void, bus->parent, "spapr-vscsi");
+ VirtIOSCSI *virtio = CAST(VirtIOSCSI, bus->parent, TYPE_VIRTIO_SCSI);
+ USBDevice *usb = CAST(USBDevice, bus->parent, TYPE_USB_DEVICE);
+
+ if (spapr) {
+ /*
+ * Replace "channel@0/disk@0,0" with "disk@8000000000000000":
+ * We use SRP luns of the form 8000 | (bus << 8) | (id << 5) | lun
+ * in the top 16 bits of the 64-bit LUN
+ */
+ unsigned id = 0x8000 | (d->id << 8) | d->lun;
+ return g_strdup_printf("%s@%"PRIX64, qdev_fw_name(dev),
+ (uint64_t)id << 48);
+ } else if (virtio) {
+ /*
+ * We use SRP luns of the form 01000000 | (target << 8) | lun
+ * in the top 32 bits of the 64-bit LUN
+ * Note: the quote above is from SLOF and it is wrong,
+ * the actual binding is:
+ * swap 0100 or 10 << or 20 << ( target lun-id -- srplun )
+ */
+ unsigned id = 0x1000000 | (d->id << 16) | d->lun;
+ return g_strdup_printf("%s@%"PRIX64, qdev_fw_name(dev),
+ (uint64_t)id << 32);
+ } else if (usb) {
+ /*
+ * We use SRP luns of the form 01000000 | (usb-port << 16) | lun
+ * in the top 32 bits of the 64-bit LUN
+ */
+ unsigned usb_port = atoi(usb->port->path);
+ unsigned id = 0x1000000 | (usb_port << 16) | d->lun;
+ return g_strdup_printf("%s@%"PRIX64, qdev_fw_name(dev),
+ (uint64_t)id << 32);
+ }
+ }
+
+ if (phb) {
+ /* Replace "pci" with "pci@800000020000000" */
+ return g_strdup_printf("pci@%"PRIX64, phb->buid);
+ }
+
+ return NULL;
+}
+
+static void spapr_machine_class_init(ObjectClass *oc, void *data)
+{
+ MachineClass *mc = MACHINE_CLASS(oc);
+ FWPathProviderClass *fwc = FW_PATH_PROVIDER_CLASS(oc);
+
+ mc->qemu_machine = data;
+ fwc->get_dev_path = spapr_get_fw_dev_path;
+}
+
+static const TypeInfo spapr_machine_info = {
+ .name = TYPE_SPAPR_MACHINE,
+ .parent = TYPE_MACHINE,
+ .class_init = spapr_machine_class_init,
+ .class_data = &spapr_machine,
+ .interfaces = (InterfaceInfo[]) {
+ { TYPE_FW_PATH_PROVIDER },
+ { }
+ },
+};
+
+static void spapr_machine_register_types(void)
{
- qemu_register_machine(&spapr_machine);
+ type_register_static(&spapr_machine_info);
}
-machine_init(spapr_machine_init);
+type_init(spapr_machine_register_types)
diff --git a/hw/ppc/spapr_hcall.c b/hw/ppc/spapr_hcall.c
index e999bbaea0..0bae0535e8 100644
--- a/hw/ppc/spapr_hcall.c
+++ b/hw/ppc/spapr_hcall.c
@@ -4,6 +4,36 @@
#include "hw/ppc/spapr.h"
#include "mmu-hash64.h"
+struct SPRSyncState {
+ CPUState *cs;
+ int spr;
+ target_ulong value;
+ target_ulong mask;
+};
+
+static void do_spr_sync(void *arg)
+{
+ struct SPRSyncState *s = arg;
+ PowerPCCPU *cpu = POWERPC_CPU(s->cs);
+ CPUPPCState *env = &cpu->env;
+
+ cpu_synchronize_state(s->cs);
+ env->spr[s->spr] &= ~s->mask;
+ env->spr[s->spr] |= s->value;
+}
+
+static void set_spr(CPUState *cs, int spr, target_ulong value,
+ target_ulong mask)
+{
+ struct SPRSyncState s = {
+ .cs = cs,
+ .spr = spr,
+ .value = value,
+ .mask = mask
+ };
+ run_on_cpu(cs, do_spr_sync, &s);
+}
+
static target_ulong compute_tlbie_rb(target_ulong v, target_ulong r,
target_ulong pte_index)
{
@@ -110,16 +140,15 @@ static target_ulong h_enter(PowerPCCPU *cpu, sPAPREnvironment *spapr,
if (likely((flags & H_EXACT) == 0)) {
pte_index &= ~7ULL;
token = ppc_hash64_start_access(cpu, pte_index);
- do {
- if (index == 8) {
- ppc_hash64_stop_access(token);
- return H_PTEG_FULL;
- }
+ for (; index < 8; index++) {
if ((ppc_hash64_load_hpte0(env, token, index) & HPTE64_V_VALID) == 0) {
break;
}
- } while (index++);
+ }
ppc_hash64_stop_access(token);
+ if (index == 8) {
+ return H_PTEG_FULL;
+ }
} else {
token = ppc_hash64_start_access(cpu, pte_index);
if (ppc_hash64_load_hpte0(env, token, 0) & HPTE64_V_VALID) {
@@ -690,7 +719,7 @@ static target_ulong h_set_mode(PowerPCCPU *cpu, sPAPREnvironment *spapr,
target_ulong value2 = args[3];
target_ulong ret = H_P2;
- if (resource == H_SET_MODE_ENDIAN) {
+ if (resource == H_SET_MODE_RESOURCE_LE) {
if (value1) {
ret = H_P3;
goto out;
@@ -699,22 +728,17 @@ static target_ulong h_set_mode(PowerPCCPU *cpu, sPAPREnvironment *spapr,
ret = H_P4;
goto out;
}
-
switch (mflags) {
case H_SET_MODE_ENDIAN_BIG:
CPU_FOREACH(cs) {
- PowerPCCPU *cp = POWERPC_CPU(cs);
- CPUPPCState *env = &cp->env;
- env->spr[SPR_LPCR] &= ~LPCR_ILE;
+ set_spr(cs, SPR_LPCR, 0, LPCR_ILE);
}
ret = H_SUCCESS;
break;
case H_SET_MODE_ENDIAN_LITTLE:
CPU_FOREACH(cs) {
- PowerPCCPU *cp = POWERPC_CPU(cs);
- CPUPPCState *env = &cp->env;
- env->spr[SPR_LPCR] |= LPCR_ILE;
+ set_spr(cs, SPR_LPCR, LPCR_ILE, LPCR_ILE);
}
ret = H_SUCCESS;
break;
diff --git a/hw/ppc/spapr_vio.c b/hw/ppc/spapr_vio.c
index 4e33f462d9..2ae06a3356 100644
--- a/hw/ppc/spapr_vio.c
+++ b/hw/ppc/spapr_vio.c
@@ -68,6 +68,7 @@ static void spapr_vio_bus_class_init(ObjectClass *klass, void *data)
BusClass *k = BUS_CLASS(klass);
k->get_dev_path = spapr_vio_get_dev_name;
+ k->get_fw_dev_path = spapr_vio_get_dev_name;
}
static const TypeInfo spapr_vio_bus_info = {
@@ -529,7 +530,9 @@ static int spapr_vio_bridge_init(SysBusDevice *dev)
static void spapr_vio_bridge_class_init(ObjectClass *klass, void *data)
{
SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
+ DeviceClass *dc = DEVICE_CLASS(klass);
+ dc->fw_name = "vdevice";
k->init = spapr_vio_bridge_init;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-01 13:42:16 +0000