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sPAPR Patch Queue: 2015-09-23 

Highlights:
     * pseries-2.5 machine type
     * Memory hotplug for "pseries" guests
     * Fixes to the PAPR Dynamic Reconfiguration hotplug code
     * Several PAPR compliance fixes
     * New SLOF with:
         * GPT support
         * Much faster VGA handling
 -----BEGIN PGP SIGNATURE-----
 Version: GnuPG v1
 
 iEYEABECAAYFAlYCBVIACgkQaILKxv3ab8YyMQCfdQhq52YNHotvL9ZUgE5iQsJ0
 drYAmQGzSDBr/VaaSwkaLASkDnGKyCLV
 =3ZcM
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Merge remote-tracking branch 'remotes/dgibson/tags/spapr-next-20150923' into staging

sPAPR Patch Queue: 2015-09-23

Highlights:
    * pseries-2.5 machine type
    * Memory hotplug for "pseries" guests
    * Fixes to the PAPR Dynamic Reconfiguration hotplug code
    * Several PAPR compliance fixes
    * New SLOF with:
        * GPT support
        * Much faster VGA handling

# gpg: Signature made Wed 23 Sep 2015 02:50:10 BST using DSA key ID FDDA6FC6
# gpg: Good signature from "David Gibson <david@gibson.dropbear.id.au>"
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: F730 2185 38B4 D13E FD80  34F2 6882 CAC6 FDDA 6FC6

* remotes/dgibson/tags/spapr-next-20150923: (36 commits)
  sPAPR: Enable EEH on VFIO PCI device only
  sPAPR: Revert don't enable EEH on emulated PCI devices
  ppc/spapr: Implement H_RANDOM hypercall in QEMU
  ppc/spapr: Fix buffer overflow in spapr_populate_drconf_memory()
  spapr: Fix default NUMA node allocation for threads
  spapr: Move memory hotplug to RTAS_LOG_V6_HP_ID_DRC_COUNT type
  spapr: Support hotplug by specifying DRC count
  spapr: Revert to memory@XXXX representation for non-hotplugged memory
  spapr: Populate ibm,associativity-lookup-arrays correctly for non-NUMA
  spapr: Provide better error message when slots exceed max allowed
  spapr: Don't allow memory hotplug to memory less nodes
  spapr: Memory hotplug support
  spapr: Make hash table size a factor of maxram_size
  spapr: Support ibm,dynamic-reconfiguration-memory
  spapr: Add LMB DR connectors
  spapr: Use QEMU limit for maximum CPUs number
  spapr: Don't use QOM [*] syntax for DR connectors.
  spapr_drc: use RTAS return codes for methods called by RTAS
  spapr: Initialize hotplug memory address space
  spapr_drc: don't allow 'empty' DRCs to be unisolated or allocated
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2015-09-23 16:52:54 +01:00
parent 27c7275a56 d76548a98f
commit 684bb5770e
18 changed files with 955 additions and 157 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
default-configs/ppc64-softmmu.mak
View File

@ -52,3 +52,4 @@ CONFIG_XICS_KVM=$(and $(CONFIG_PSERIES),$(CONFIG_KVM))
# For PReP # For PReP
CONFIG_MC146818RTC=y CONFIG_MC146818RTC=y
CONFIG_ISA_TESTDEV=y CONFIG_ISA_TESTDEV=y
CONFIG_MEM_HOTPLUG=y

48
docs/specs/ppc-spapr-hotplug.txt
View File

@ -302,4 +302,52 @@ consisting of <phys>, <size> and <maxcpus>.
pseries guests use this property to note the maximum allowed CPUs for the pseries guests use this property to note the maximum allowed CPUs for the
guest. guest.
== ibm,dynamic-reconfiguration-memory ==
ibm,dynamic-reconfiguration-memory is a device tree node that represents
dynamically reconfigurable logical memory blocks (LMB). This node
is generated only when the guest advertises the support for it via
ibm,client-architecture-support call. Memory that is not dynamically
reconfigurable is represented by /memory nodes. The properties of this
node that are of interest to the sPAPR memory hotplug implementation
in QEMU are described here.
ibm,lmb-size
This 64bit integer defines the size of each dynamically reconfigurable LMB.
ibm,associativity-lookup-arrays
This property defines a lookup array in which the NUMA associativity
information for each LMB can be found. It is a property encoded array
that begins with an integer M, the number of associativity lists followed
by an integer N, the number of entries per associativity list and terminated
by M associativity lists each of length N integers.
This property provides the same information as given by ibm,associativity
property in a /memory node. Each assigned LMB has an index value between
0 and M-1 which is used as an index into this table to select which
associativity list to use for the LMB. This index value for each LMB
is defined in ibm,dynamic-memory property.
ibm,dynamic-memory
This property describes the dynamically reconfigurable memory. It is a
property encoded array that has an integer N, the number of LMBs followed
by N LMB list entires.
Each LMB list entry consists of the following elements:
- Logical address of the start of the LMB encoded as a 64bit integer. This
corresponds to reg property in /memory node.
- DRC index of the LMB that corresponds to ibm,my-drc-index property
in a /memory node.
- Four bytes reserved for expansion.
- Associativity list index for the LMB that is used as an index into
ibm,associativity-lookup-arrays property described earlier. This
is used to retrieve the right associativity list to be used for this
LMB.
- A 32bit flags word. The bit at bit position 0x00000008 defines whether
the LMB is assigned to the the partition as of boot time.
[1] http://thread.gmane.org/gmane.linux.ports.ppc.embedded/75350/focus=106867 [1] http://thread.gmane.org/gmane.linux.ports.ppc.embedded/75350/focus=106867

2
hw/ppc/Makefile.objs
View File

@ -3,7 +3,7 @@ obj-y += ppc.o ppc_booke.o
# IBM pSeries (sPAPR) # IBM pSeries (sPAPR)
obj-$(CONFIG_PSERIES) += spapr.o spapr_vio.o spapr_events.o obj-$(CONFIG_PSERIES) += spapr.o spapr_vio.o spapr_events.o
obj-$(CONFIG_PSERIES) += spapr_hcall.o spapr_iommu.o spapr_rtas.o obj-$(CONFIG_PSERIES) += spapr_hcall.o spapr_iommu.o spapr_rtas.o
obj-$(CONFIG_PSERIES) += spapr_pci.o spapr_rtc.o spapr_drc.o obj-$(CONFIG_PSERIES) += spapr_pci.o spapr_rtc.o spapr_drc.o spapr_rng.o
ifeq ($(CONFIG_PCI)$(CONFIG_PSERIES)$(CONFIG_LINUX), yyy) ifeq ($(CONFIG_PCI)$(CONFIG_PSERIES)$(CONFIG_LINUX), yyy)
obj-y += spapr_pci_vfio.o obj-y += spapr_pci_vfio.o
endif endif

483
hw/ppc/spapr.c
View File

@ -30,9 +30,11 @@
#include "hw/fw-path-provider.h" #include "hw/fw-path-provider.h"
#include "elf.h" #include "elf.h"
#include "net/net.h" #include "net/net.h"
#include "sysemu/device_tree.h"
#include "sysemu/block-backend.h" #include "sysemu/block-backend.h"
#include "sysemu/cpus.h" #include "sysemu/cpus.h"
#include "sysemu/kvm.h" #include "sysemu/kvm.h"
#include "sysemu/device_tree.h"
#include "kvm_ppc.h" #include "kvm_ppc.h"
#include "migration/migration.h" #include "migration/migration.h"
#include "mmu-hash64.h" #include "mmu-hash64.h"
@ -60,6 +62,7 @@
#include "hw/nmi.h" #include "hw/nmi.h"
#include "hw/compat.h" #include "hw/compat.h"
#include "qemu-common.h"
#include <libfdt.h> #include <libfdt.h>
@ -73,7 +76,7 @@
* *
* We load our kernel at 4M, leaving space for SLOF initial image * We load our kernel at 4M, leaving space for SLOF initial image
*/ */
#define FDT_MAX_SIZE 0x40000 #define FDT_MAX_SIZE 0x100000
#define RTAS_MAX_SIZE 0x10000 #define RTAS_MAX_SIZE 0x10000
#define RTAS_MAX_ADDR 0x80000000 /* RTAS must stay below that */ #define RTAS_MAX_ADDR 0x80000000 /* RTAS must stay below that */
#define FW_MAX_SIZE 0x400000 #define FW_MAX_SIZE 0x400000
@ -85,8 +88,6 @@
#define TIMEBASE_FREQ 512000000ULL #define TIMEBASE_FREQ 512000000ULL
#define MAX_CPUS 255
#define PHANDLE_XICP 0x00001111 #define PHANDLE_XICP 0x00001111
#define HTAB_SIZE(spapr) (1ULL << ((spapr)->htab_shift)) #define HTAB_SIZE(spapr) (1ULL << ((spapr)->htab_shift))
@ -375,6 +376,11 @@ static void *spapr_create_fdt_skel(hwaddr initrd_base,
_FDT((fdt_property_string(fdt, "vm,uuid", buf))); _FDT((fdt_property_string(fdt, "vm,uuid", buf)));
g_free(buf); g_free(buf);
if (qemu_get_vm_name()) {
_FDT((fdt_property_string(fdt, "ibm,partition-name",
qemu_get_vm_name())));
}
_FDT((fdt_property_cell(fdt, "#address-cells", 0x2))); _FDT((fdt_property_cell(fdt, "#address-cells", 0x2)));
_FDT((fdt_property_cell(fdt, "#size-cells", 0x2))); _FDT((fdt_property_cell(fdt, "#size-cells", 0x2)));
@ -427,6 +433,10 @@ static void *spapr_create_fdt_skel(hwaddr initrd_base,
_FDT((fdt_property_cell(fdt, "rtas-event-scan-rate", _FDT((fdt_property_cell(fdt, "rtas-event-scan-rate",
RTAS_EVENT_SCAN_RATE))); RTAS_EVENT_SCAN_RATE)));
if (msi_supported) {
_FDT((fdt_property(fdt, "ibm,change-msix-capable", NULL, 0)));
}
/* /*
* According to PAPR, rtas ibm,os-term does not guarantee a return * According to PAPR, rtas ibm,os-term does not guarantee a return
* back to the guest cpu. * back to the guest cpu.
@ -495,44 +505,7 @@ static void *spapr_create_fdt_skel(hwaddr initrd_base,
return fdt; return fdt;
} }
int spapr_h_cas_compose_response(sPAPRMachineState *spapr, static int spapr_populate_memory_node(void *fdt, int nodeid, hwaddr start,
target_ulong addr, target_ulong size)
{
void *fdt, *fdt_skel;
sPAPRDeviceTreeUpdateHeader hdr = { .version_id = 1 };
size -= sizeof(hdr);
/* Create sceleton */
fdt_skel = g_malloc0(size);
_FDT((fdt_create(fdt_skel, size)));
_FDT((fdt_begin_node(fdt_skel, "")));
_FDT((fdt_end_node(fdt_skel)));
_FDT((fdt_finish(fdt_skel)));
fdt = g_malloc0(size);
_FDT((fdt_open_into(fdt_skel, fdt, size)));
g_free(fdt_skel);
/* Fix skeleton up */
_FDT((spapr_fixup_cpu_dt(fdt, spapr)));
/* Pack resulting tree */
_FDT((fdt_pack(fdt)));
if (fdt_totalsize(fdt) + sizeof(hdr) > size) {
trace_spapr_cas_failed(size);
return -1;
}
cpu_physical_memory_write(addr, &hdr, sizeof(hdr));
cpu_physical_memory_write(addr + sizeof(hdr), fdt, fdt_totalsize(fdt));
trace_spapr_cas_continue(fdt_totalsize(fdt) + sizeof(hdr));
g_free(fdt);
return 0;
}
static void spapr_populate_memory_node(void *fdt, int nodeid, hwaddr start,
hwaddr size) hwaddr size)
{ {
uint32_t associativity[] = { uint32_t associativity[] = {
@ -555,6 +528,7 @@ static void spapr_populate_memory_node(void *fdt, int nodeid, hwaddr start,
sizeof(mem_reg_property)))); sizeof(mem_reg_property))));
_FDT((fdt_setprop(fdt, off, "ibm,associativity", associativity, _FDT((fdt_setprop(fdt, off, "ibm,associativity", associativity,
sizeof(associativity)))); sizeof(associativity))));
return off;
} }
static int spapr_populate_memory(sPAPRMachineState *spapr, void *fdt) static int spapr_populate_memory(sPAPRMachineState *spapr, void *fdt)
@ -620,9 +594,7 @@ static void spapr_populate_cpu_dt(CPUState *cs, void *fdt, int offset,
uint32_t cpufreq = kvm_enabled() ? kvmppc_get_clockfreq() : 1000000000; uint32_t cpufreq = kvm_enabled() ? kvmppc_get_clockfreq() : 1000000000;
uint32_t page_sizes_prop[64]; uint32_t page_sizes_prop[64];
size_t page_sizes_prop_size; size_t page_sizes_prop_size;
QemuOpts *opts = qemu_opts_find(qemu_find_opts("smp-opts"), NULL); uint32_t vcpus_per_socket = smp_threads * smp_cores;
unsigned sockets = opts ? qemu_opt_get_number(opts, "sockets", 0) : 0;
uint32_t cpus_per_socket = sockets ? (smp_cpus / sockets) : 1;
uint32_t pft_size_prop[] = {0, cpu_to_be32(spapr->htab_shift)}; uint32_t pft_size_prop[] = {0, cpu_to_be32(spapr->htab_shift)};
_FDT((fdt_setprop_cell(fdt, offset, "reg", index))); _FDT((fdt_setprop_cell(fdt, offset, "reg", index)));
@ -691,7 +663,7 @@ static void spapr_populate_cpu_dt(CPUState *cs, void *fdt, int offset,
} }
_FDT((fdt_setprop_cell(fdt, offset, "ibm,chip-id", _FDT((fdt_setprop_cell(fdt, offset, "ibm,chip-id",
cs->cpu_index / cpus_per_socket))); cs->cpu_index / vcpus_per_socket)));
_FDT((fdt_setprop(fdt, offset, "ibm,pft-size", _FDT((fdt_setprop(fdt, offset, "ibm,pft-size",
pft_size_prop, sizeof(pft_size_prop)))); pft_size_prop, sizeof(pft_size_prop))));
@ -738,12 +710,155 @@ static void spapr_populate_cpus_dt_node(void *fdt, sPAPRMachineState *spapr)
} }
/*
* Adds ibm,dynamic-reconfiguration-memory node.
* Refer to docs/specs/ppc-spapr-hotplug.txt for the documentation
* of this device tree node.
*/
static int spapr_populate_drconf_memory(sPAPRMachineState *spapr, void *fdt)
{
MachineState *machine = MACHINE(spapr);
int ret, i, offset;
uint64_t lmb_size = SPAPR_MEMORY_BLOCK_SIZE;
uint32_t prop_lmb_size[] = {0, cpu_to_be32(lmb_size)};
uint32_t nr_lmbs = (machine->maxram_size - machine->ram_size)/lmb_size;
uint32_t *int_buf, *cur_index, buf_len;
int nr_nodes = nb_numa_nodes ? nb_numa_nodes : 1;
/*
* Allocate enough buffer size to fit in ibm,dynamic-memory
* or ibm,associativity-lookup-arrays
*/
buf_len = MAX(nr_lmbs * SPAPR_DR_LMB_LIST_ENTRY_SIZE + 1, nr_nodes * 4 + 2)
* sizeof(uint32_t);
cur_index = int_buf = g_malloc0(buf_len);
offset = fdt_add_subnode(fdt, 0, "ibm,dynamic-reconfiguration-memory");
ret = fdt_setprop(fdt, offset, "ibm,lmb-size", prop_lmb_size,
sizeof(prop_lmb_size));
if (ret < 0) {
goto out;
}
ret = fdt_setprop_cell(fdt, offset, "ibm,memory-flags-mask", 0xff);
if (ret < 0) {
goto out;
}
ret = fdt_setprop_cell(fdt, offset, "ibm,memory-preservation-time", 0x0);
if (ret < 0) {
goto out;
}
/* ibm,dynamic-memory */
int_buf[0] = cpu_to_be32(nr_lmbs);
cur_index++;
for (i = 0; i < nr_lmbs; i++) {
sPAPRDRConnector *drc;
sPAPRDRConnectorClass *drck;
uint64_t addr = i * lmb_size + spapr->hotplug_memory.base;;
uint32_t *dynamic_memory = cur_index;
drc = spapr_dr_connector_by_id(SPAPR_DR_CONNECTOR_TYPE_LMB,
addr/lmb_size);
g_assert(drc);
drck = SPAPR_DR_CONNECTOR_GET_CLASS(drc);
dynamic_memory[0] = cpu_to_be32(addr >> 32);
dynamic_memory[1] = cpu_to_be32(addr & 0xffffffff);
dynamic_memory[2] = cpu_to_be32(drck->get_index(drc));
dynamic_memory[3] = cpu_to_be32(0); /* reserved */
dynamic_memory[4] = cpu_to_be32(numa_get_node(addr, NULL));
if (addr < machine->ram_size ||
memory_region_present(get_system_memory(), addr)) {
dynamic_memory[5] = cpu_to_be32(SPAPR_LMB_FLAGS_ASSIGNED);
} else {
dynamic_memory[5] = cpu_to_be32(0);
}
cur_index += SPAPR_DR_LMB_LIST_ENTRY_SIZE;
}
ret = fdt_setprop(fdt, offset, "ibm,dynamic-memory", int_buf, buf_len);
if (ret < 0) {
goto out;
}
/* ibm,associativity-lookup-arrays */
cur_index = int_buf;
int_buf[0] = cpu_to_be32(nr_nodes);
int_buf[1] = cpu_to_be32(4); /* Number of entries per associativity list */
cur_index += 2;
for (i = 0; i < nr_nodes; i++) {
uint32_t associativity[] = {
cpu_to_be32(0x0),
cpu_to_be32(0x0),
cpu_to_be32(0x0),
cpu_to_be32(i)
};
memcpy(cur_index, associativity, sizeof(associativity));
cur_index += 4;
}
ret = fdt_setprop(fdt, offset, "ibm,associativity-lookup-arrays", int_buf,
(cur_index - int_buf) * sizeof(uint32_t));
out:
g_free(int_buf);
return ret;
}
int spapr_h_cas_compose_response(sPAPRMachineState *spapr,
target_ulong addr, target_ulong size,
bool cpu_update, bool memory_update)
{
void *fdt, *fdt_skel;
sPAPRDeviceTreeUpdateHeader hdr = { .version_id = 1 };
sPAPRMachineClass *smc = SPAPR_MACHINE_GET_CLASS(qdev_get_machine());
size -= sizeof(hdr);
/* Create sceleton */
fdt_skel = g_malloc0(size);
_FDT((fdt_create(fdt_skel, size)));
_FDT((fdt_begin_node(fdt_skel, "")));
_FDT((fdt_end_node(fdt_skel)));
_FDT((fdt_finish(fdt_skel)));
fdt = g_malloc0(size);
_FDT((fdt_open_into(fdt_skel, fdt, size)));
g_free(fdt_skel);
/* Fixup cpu nodes */
if (cpu_update) {
_FDT((spapr_fixup_cpu_dt(fdt, spapr)));
}
/* Generate memory nodes or ibm,dynamic-reconfiguration-memory node */
if (memory_update && smc->dr_lmb_enabled) {
_FDT((spapr_populate_drconf_memory(spapr, fdt)));
}
/* Pack resulting tree */
_FDT((fdt_pack(fdt)));
if (fdt_totalsize(fdt) + sizeof(hdr) > size) {
trace_spapr_cas_failed(size);
return -1;
}
cpu_physical_memory_write(addr, &hdr, sizeof(hdr));
cpu_physical_memory_write(addr + sizeof(hdr), fdt, fdt_totalsize(fdt));
trace_spapr_cas_continue(fdt_totalsize(fdt) + sizeof(hdr));
g_free(fdt);
return 0;
}
static void spapr_finalize_fdt(sPAPRMachineState *spapr, static void spapr_finalize_fdt(sPAPRMachineState *spapr,
hwaddr fdt_addr, hwaddr fdt_addr,
hwaddr rtas_addr, hwaddr rtas_addr,
hwaddr rtas_size) hwaddr rtas_size)
{ {
MachineState *machine = MACHINE(qdev_get_machine()); MachineState *machine = MACHINE(qdev_get_machine());
sPAPRMachineClass *smc = SPAPR_MACHINE_GET_CLASS(machine);
const char *boot_device = machine->boot_order; const char *boot_device = machine->boot_order;
int ret, i; int ret, i;
size_t cb = 0; size_t cb = 0;
@ -768,6 +883,14 @@ static void spapr_finalize_fdt(sPAPRMachineState *spapr,
exit(1); exit(1);
} }
if (object_resolve_path_type("", TYPE_SPAPR_RNG, NULL)) {
ret = spapr_rng_populate_dt(fdt);
if (ret < 0) {
fprintf(stderr, "could not set up rng device in the fdt\n");
exit(1);
}
}
QLIST_FOREACH(phb, &spapr->phbs, list) { QLIST_FOREACH(phb, &spapr->phbs, list) {
ret = spapr_populate_pci_dt(phb, PHANDLE_XICP, fdt); ret = spapr_populate_pci_dt(phb, PHANDLE_XICP, fdt);
} }
@ -814,6 +937,10 @@ static void spapr_finalize_fdt(sPAPRMachineState *spapr,
spapr_populate_chosen_stdout(fdt, spapr->vio_bus); spapr_populate_chosen_stdout(fdt, spapr->vio_bus);
} }
if (smc->dr_lmb_enabled) {
_FDT(spapr_drc_populate_dt(fdt, 0, NULL, SPAPR_DR_CONNECTOR_TYPE_LMB));
}
_FDT((fdt_pack(fdt))); _FDT((fdt_pack(fdt)));
if (fdt_totalsize(fdt) > FDT_MAX_SIZE) { if (fdt_totalsize(fdt) > FDT_MAX_SIZE) {
@ -822,6 +949,7 @@ static void spapr_finalize_fdt(sPAPRMachineState *spapr,
exit(1); exit(1);
} }
qemu_fdt_dumpdtb(fdt, fdt_totalsize(fdt));
cpu_physical_memory_write(fdt_addr, fdt, fdt_totalsize(fdt)); cpu_physical_memory_write(fdt_addr, fdt, fdt_totalsize(fdt));
g_free(bootlist); g_free(bootlist);
@ -1329,6 +1457,8 @@ static int htab_load(QEMUFile *f, void *opaque, int version_id)
if (section_hdr) { if (section_hdr) {
/* First section, just the hash shift */ /* First section, just the hash shift */
if (spapr->htab_shift != section_hdr) { if (spapr->htab_shift != section_hdr) {
error_report("htab_shift mismatch: source %d target %d",
section_hdr, spapr->htab_shift);
return -EINVAL; return -EINVAL;
} }
return 0; return 0;
@ -1437,10 +1567,77 @@ static void spapr_cpu_init(sPAPRMachineState *spapr, PowerPCCPU *cpu)
qemu_register_reset(spapr_cpu_reset, cpu); qemu_register_reset(spapr_cpu_reset, cpu);
} }
/*
* Reset routine for LMB DR devices.
*
* Unlike PCI DR devices, LMB DR devices explicitly register this reset
* routine. Reset for PCI DR devices will be handled by PHB reset routine
* when it walks all its children devices. LMB devices reset occurs
* as part of spapr_ppc_reset().
*/
static void spapr_drc_reset(void *opaque)
{
sPAPRDRConnector *drc = opaque;
DeviceState *d = DEVICE(drc);
if (d) {
device_reset(d);
}
}
static void spapr_create_lmb_dr_connectors(sPAPRMachineState *spapr)
{
MachineState *machine = MACHINE(spapr);
uint64_t lmb_size = SPAPR_MEMORY_BLOCK_SIZE;
uint32_t nr_lmbs = (machine->maxram_size - machine->ram_size)/lmb_size;
int i;
for (i = 0; i < nr_lmbs; i++) {
sPAPRDRConnector *drc;
uint64_t addr;
addr = i * lmb_size + spapr->hotplug_memory.base;
drc = spapr_dr_connector_new(OBJECT(spapr), SPAPR_DR_CONNECTOR_TYPE_LMB,
addr/lmb_size);
qemu_register_reset(spapr_drc_reset, drc);
}
}
/*
* If RAM size, maxmem size and individual node mem sizes aren't aligned
* to SPAPR_MEMORY_BLOCK_SIZE(256MB), then refuse to start the guest
* since we can't support such unaligned sizes with DRCONF_MEMORY.
*/
static void spapr_validate_node_memory(MachineState *machine)
{
int i;
if (machine->maxram_size % SPAPR_MEMORY_BLOCK_SIZE ||
machine->ram_size % SPAPR_MEMORY_BLOCK_SIZE) {
error_report("Can't support memory configuration where RAM size "
"0x" RAM_ADDR_FMT " or maxmem size "
"0x" RAM_ADDR_FMT " isn't aligned to %llu MB",
machine->ram_size, machine->maxram_size,
SPAPR_MEMORY_BLOCK_SIZE/M_BYTE);
exit(EXIT_FAILURE);
}
for (i = 0; i < nb_numa_nodes; i++) {
if (numa_info[i].node_mem % SPAPR_MEMORY_BLOCK_SIZE) {
error_report("Can't support memory configuration where memory size"
" %" PRIx64 " of node %d isn't aligned to %llu MB",
numa_info[i].node_mem, i,
SPAPR_MEMORY_BLOCK_SIZE/M_BYTE);
exit(EXIT_FAILURE);
}
}
}
/* pSeries LPAR / sPAPR hardware init */ /* pSeries LPAR / sPAPR hardware init */
static void ppc_spapr_init(MachineState *machine) static void ppc_spapr_init(MachineState *machine)
{ {
sPAPRMachineState *spapr = SPAPR_MACHINE(machine); sPAPRMachineState *spapr = SPAPR_MACHINE(machine);
sPAPRMachineClass *smc = SPAPR_MACHINE_GET_CLASS(machine);
const char *kernel_filename = machine->kernel_filename; const char *kernel_filename = machine->kernel_filename;
const char *kernel_cmdline = machine->kernel_cmdline; const char *kernel_cmdline = machine->kernel_cmdline;
const char *initrd_filename = machine->initrd_filename; const char *initrd_filename = machine->initrd_filename;
@ -1507,7 +1704,7 @@ static void ppc_spapr_init(MachineState *machine)
* more than needed for the Linux guests we support. */ * more than needed for the Linux guests we support. */
spapr->htab_shift = 18; /* Minimum architected size */ spapr->htab_shift = 18; /* Minimum architected size */
while (spapr->htab_shift <= 46) { while (spapr->htab_shift <= 46) {
if ((1ULL << (spapr->htab_shift + 7)) >= machine->ram_size) { if ((1ULL << (spapr->htab_shift + 7)) >= machine->maxram_size) {
break; break;
} }
spapr->htab_shift++; spapr->htab_shift++;
@ -1519,6 +1716,10 @@ static void ppc_spapr_init(MachineState *machine)
smp_threads), smp_threads),
XICS_IRQS); XICS_IRQS);
if (smc->dr_lmb_enabled) {
spapr_validate_node_memory(machine);
}
/* init CPUs */ /* init CPUs */
if (machine->cpu_model == NULL) { if (machine->cpu_model == NULL) {
machine->cpu_model = kvm_enabled() ? "host" : "POWER7"; machine->cpu_model = kvm_enabled() ? "host" : "POWER7";
@ -1535,6 +1736,7 @@ static void ppc_spapr_init(MachineState *machine)
if (kvm_enabled()) { if (kvm_enabled()) {
/* Enable H_LOGICAL_CI_* so SLOF can talk to in-kernel devices */ /* Enable H_LOGICAL_CI_* so SLOF can talk to in-kernel devices */
kvmppc_enable_logical_ci_hcalls(); kvmppc_enable_logical_ci_hcalls();
kvmppc_enable_set_mode_hcall();
} }
/* allocate RAM */ /* allocate RAM */
@ -1550,6 +1752,28 @@ static void ppc_spapr_init(MachineState *machine)
memory_region_add_subregion(sysmem, 0, rma_region); memory_region_add_subregion(sysmem, 0, rma_region);
} }
/* initialize hotplug memory address space */
if (machine->ram_size < machine->maxram_size) {
ram_addr_t hotplug_mem_size = machine->maxram_size - machine->ram_size;
if (machine->ram_slots > SPAPR_MAX_RAM_SLOTS) {
error_report("Specified number of memory slots %"PRIu64" exceeds max supported %d\n",
machine->ram_slots, SPAPR_MAX_RAM_SLOTS);
exit(EXIT_FAILURE);
}
spapr->hotplug_memory.base = ROUND_UP(machine->ram_size,
SPAPR_HOTPLUG_MEM_ALIGN);
memory_region_init(&spapr->hotplug_memory.mr, OBJECT(spapr),
"hotplug-memory", hotplug_mem_size);
memory_region_add_subregion(sysmem, spapr->hotplug_memory.base,
&spapr->hotplug_memory.mr);
}
if (smc->dr_lmb_enabled) {
spapr_create_lmb_dr_connectors(spapr);
}
filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, "spapr-rtas.bin"); filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, "spapr-rtas.bin");
if (!filename) { if (!filename) {
error_report("Could not find LPAR rtas '%s'", "spapr-rtas.bin"); error_report("Could not find LPAR rtas '%s'", "spapr-rtas.bin");
@ -1820,23 +2044,166 @@ static void spapr_nmi(NMIState *n, int cpu_index, Error **errp)
} }
} }
static void spapr_add_lmbs(DeviceState *dev, uint64_t addr, uint64_t size,
uint32_t node, Error **errp)
{
sPAPRDRConnector *drc;
sPAPRDRConnectorClass *drck;
uint32_t nr_lmbs = size/SPAPR_MEMORY_BLOCK_SIZE;
int i, fdt_offset, fdt_size;
void *fdt;
/*
* Check for DRC connectors and send hotplug notification to the
* guest only in case of hotplugged memory. This allows cold plugged
* memory to be specified at boot time.
*/
if (!dev->hotplugged) {
return;
}
for (i = 0; i < nr_lmbs; i++) {
drc = spapr_dr_connector_by_id(SPAPR_DR_CONNECTOR_TYPE_LMB,
addr/SPAPR_MEMORY_BLOCK_SIZE);
g_assert(drc);
fdt = create_device_tree(&fdt_size);
fdt_offset = spapr_populate_memory_node(fdt, node, addr,
SPAPR_MEMORY_BLOCK_SIZE);
drck = SPAPR_DR_CONNECTOR_GET_CLASS(drc);
drck->attach(drc, dev, fdt, fdt_offset, !dev->hotplugged, errp);
addr += SPAPR_MEMORY_BLOCK_SIZE;
}
spapr_hotplug_req_add_by_count(SPAPR_DR_CONNECTOR_TYPE_LMB, nr_lmbs);
}
static void spapr_memory_plug(HotplugHandler *hotplug_dev, DeviceState *dev,
uint32_t node, Error **errp)
{
Error *local_err = NULL;
sPAPRMachineState *ms = SPAPR_MACHINE(hotplug_dev);
PCDIMMDevice *dimm = PC_DIMM(dev);
PCDIMMDeviceClass *ddc = PC_DIMM_GET_CLASS(dimm);
MemoryRegion *mr = ddc->get_memory_region(dimm);
uint64_t align = memory_region_get_alignment(mr);
uint64_t size = memory_region_size(mr);
uint64_t addr;
if (size % SPAPR_MEMORY_BLOCK_SIZE) {
error_setg(&local_err, "Hotplugged memory size must be a multiple of "
"%lld MB", SPAPR_MEMORY_BLOCK_SIZE/M_BYTE);
goto out;
}
pc_dimm_memory_plug(dev, &ms->hotplug_memory, mr, align, &local_err);
if (local_err) {
goto out;
}
addr = object_property_get_int(OBJECT(dimm), PC_DIMM_ADDR_PROP, &local_err);
if (local_err) {
pc_dimm_memory_unplug(dev, &ms->hotplug_memory, mr);
goto out;
}
spapr_add_lmbs(dev, addr, size, node, &error_abort);
out:
error_propagate(errp, local_err);
}
static void spapr_machine_device_plug(HotplugHandler *hotplug_dev,
DeviceState *dev, Error **errp)
{
sPAPRMachineClass *smc = SPAPR_MACHINE_GET_CLASS(qdev_get_machine());
if (object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM)) {
int node;
if (!smc->dr_lmb_enabled) {
error_setg(errp, "Memory hotplug not supported for this machine");
return;
}
node = object_property_get_int(OBJECT(dev), PC_DIMM_NODE_PROP, errp);
if (*errp) {
return;
}
/*
* Currently PowerPC kernel doesn't allow hot-adding memory to
* memory-less node, but instead will silently add the memory
* to the first node that has some memory. This causes two
* unexpected behaviours for the user.
*
* - Memory gets hotplugged to a different node than what the user
* specified.
* - Since pc-dimm subsystem in QEMU still thinks that memory belongs
* to memory-less node, a reboot will set things accordingly
* and the previously hotplugged memory now ends in the right node.
* This appears as if some memory moved from one node to another.
*
* So until kernel starts supporting memory hotplug to memory-less
* nodes, just prevent such attempts upfront in QEMU.
*/
if (nb_numa_nodes && !numa_info[node].node_mem) {
error_setg(errp, "Can't hotplug memory to memory-less node %d",
node);
return;
}
spapr_memory_plug(hotplug_dev, dev, node, errp);
}
}
static void spapr_machine_device_unplug(HotplugHandler *hotplug_dev,
DeviceState *dev, Error **errp)
{
if (object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM)) {
error_setg(errp, "Memory hot unplug not supported by sPAPR");
}
}
static HotplugHandler *spapr_get_hotpug_handler(MachineState *machine,
DeviceState *dev)
{
if (object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM)) {
return HOTPLUG_HANDLER(machine);
}
return NULL;
}
static unsigned spapr_cpu_index_to_socket_id(unsigned cpu_index)
{
/* Allocate to NUMA nodes on a "socket" basis (not that concept of
* socket means much for the paravirtualized PAPR platform) */
return cpu_index / smp_threads / smp_cores;
}
static void spapr_machine_class_init(ObjectClass *oc, void *data) static void spapr_machine_class_init(ObjectClass *oc, void *data)
{ {
MachineClass *mc = MACHINE_CLASS(oc); MachineClass *mc = MACHINE_CLASS(oc);
sPAPRMachineClass *smc = SPAPR_MACHINE_CLASS(oc);
FWPathProviderClass *fwc = FW_PATH_PROVIDER_CLASS(oc); FWPathProviderClass *fwc = FW_PATH_PROVIDER_CLASS(oc);
NMIClass *nc = NMI_CLASS(oc); NMIClass *nc = NMI_CLASS(oc);
HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(oc);
mc->init = ppc_spapr_init; mc->init = ppc_spapr_init;
mc->reset = ppc_spapr_reset; mc->reset = ppc_spapr_reset;
mc->block_default_type = IF_SCSI; mc->block_default_type = IF_SCSI;
mc->max_cpus = MAX_CPUS; mc->max_cpus = MAX_CPUMASK_BITS;
mc->no_parallel = 1; mc->no_parallel = 1;
mc->default_boot_order = ""; mc->default_boot_order = "";
mc->default_ram_size = 512 * M_BYTE; mc->default_ram_size = 512 * M_BYTE;
mc->kvm_type = spapr_kvm_type; mc->kvm_type = spapr_kvm_type;
mc->has_dynamic_sysbus = true; mc->has_dynamic_sysbus = true;
mc->pci_allow_0_address = true; mc->pci_allow_0_address = true;
mc->get_hotplug_handler = spapr_get_hotpug_handler;
hc->plug = spapr_machine_device_plug;
hc->unplug = spapr_machine_device_unplug;
mc->cpu_index_to_socket_id = spapr_cpu_index_to_socket_id;
smc->dr_lmb_enabled = false;
fwc->get_dev_path = spapr_get_fw_dev_path; fwc->get_dev_path = spapr_get_fw_dev_path;
nc->nmi_monitor_handler = spapr_nmi; nc->nmi_monitor_handler = spapr_nmi;
} }
@ -1852,6 +2219,7 @@ static const TypeInfo spapr_machine_info = {
.interfaces = (InterfaceInfo[]) { .interfaces = (InterfaceInfo[]) {
{ TYPE_FW_PATH_PROVIDER }, { TYPE_FW_PATH_PROVIDER },
{ TYPE_NMI }, { TYPE_NMI },
{ TYPE_HOTPLUG_HANDLER },
{ } { }
}, },
}; };
@ -1974,7 +2342,7 @@ static void spapr_machine_2_4_class_init(ObjectClass *oc, void *data)
mc->desc = "pSeries Logical Partition (PAPR compliant) v2.4"; mc->desc = "pSeries Logical Partition (PAPR compliant) v2.4";
mc->alias = "pseries"; mc->alias = "pseries";
mc->is_default = 1; mc->is_default = 0;
} }
static const TypeInfo spapr_machine_2_4_info = { static const TypeInfo spapr_machine_2_4_info = {
@ -1983,6 +2351,24 @@ static const TypeInfo spapr_machine_2_4_info = {
.class_init = spapr_machine_2_4_class_init, .class_init = spapr_machine_2_4_class_init,
}; };
static void spapr_machine_2_5_class_init(ObjectClass *oc, void *data)
{
MachineClass *mc = MACHINE_CLASS(oc);
sPAPRMachineClass *smc = SPAPR_MACHINE_CLASS(oc);
mc->name = "pseries-2.5";
mc->desc = "pSeries Logical Partition (PAPR compliant) v2.5";
mc->alias = "pseries";
mc->is_default = 1;
smc->dr_lmb_enabled = true;
}
static const TypeInfo spapr_machine_2_5_info = {
.name = MACHINE_TYPE_NAME("pseries-2.5"),
.parent = TYPE_SPAPR_MACHINE,
.class_init = spapr_machine_2_5_class_init,
};
static void spapr_machine_register_types(void) static void spapr_machine_register_types(void)
{ {
type_register_static(&spapr_machine_info); type_register_static(&spapr_machine_info);
@ -1990,6 +2376,7 @@ static void spapr_machine_register_types(void)
type_register_static(&spapr_machine_2_2_info); type_register_static(&spapr_machine_2_2_info);
type_register_static(&spapr_machine_2_3_info); type_register_static(&spapr_machine_2_3_info);
type_register_static(&spapr_machine_2_4_info); type_register_static(&spapr_machine_2_4_info);
type_register_static(&spapr_machine_2_5_info);
} }
type_init(spapr_machine_register_types) type_init(spapr_machine_register_types)

61
hw/ppc/spapr_drc.c
View File

@ -15,6 +15,7 @@
#include "hw/qdev.h" #include "hw/qdev.h"
#include "qapi/visitor.h" #include "qapi/visitor.h"
#include "qemu/error-report.h" #include "qemu/error-report.h"
#include "hw/ppc/spapr.h" /* for RTAS return codes */
/* #define DEBUG_SPAPR_DRC */ /* #define DEBUG_SPAPR_DRC */
@ -32,7 +33,7 @@
#define DRC_CONTAINER_PATH "/dr-connector" #define DRC_CONTAINER_PATH "/dr-connector"
#define DRC_INDEX_TYPE_SHIFT 28 #define DRC_INDEX_TYPE_SHIFT 28
#define DRC_INDEX_ID_MASK (~(~0 << DRC_INDEX_TYPE_SHIFT)) #define DRC_INDEX_ID_MASK ((1ULL << DRC_INDEX_TYPE_SHIFT) - 1)
static sPAPRDRConnectorTypeShift get_type_shift(sPAPRDRConnectorType type) static sPAPRDRConnectorTypeShift get_type_shift(sPAPRDRConnectorType type)
{ {
@ -59,13 +60,23 @@ static uint32_t get_index(sPAPRDRConnector *drc)
(drc->id & DRC_INDEX_ID_MASK); (drc->id & DRC_INDEX_ID_MASK);
} }
static int set_isolation_state(sPAPRDRConnector *drc, static uint32_t set_isolation_state(sPAPRDRConnector *drc,
sPAPRDRIsolationState state) sPAPRDRIsolationState state)
{ {
sPAPRDRConnectorClass *drck = SPAPR_DR_CONNECTOR_GET_CLASS(drc); sPAPRDRConnectorClass *drck = SPAPR_DR_CONNECTOR_GET_CLASS(drc);
DPRINTFN("drc: %x, set_isolation_state: %x", get_index(drc), state); DPRINTFN("drc: %x, set_isolation_state: %x", get_index(drc), state);
if (state == SPAPR_DR_ISOLATION_STATE_UNISOLATED) {
/* cannot unisolate a non-existant resource, and, or resources
* which are in an 'UNUSABLE' allocation state. (PAPR 2.7, 13.5.3.5)
*/
if (!drc->dev ||
drc->allocation_state == SPAPR_DR_ALLOCATION_STATE_UNUSABLE) {
return RTAS_OUT_NO_SUCH_INDICATOR;
}
}
drc->isolation_state = state; drc->isolation_state = state;
if (drc->isolation_state == SPAPR_DR_ISOLATION_STATE_ISOLATED) { if (drc->isolation_state == SPAPR_DR_ISOLATION_STATE_ISOLATED) {
@ -89,24 +100,35 @@ static int set_isolation_state(sPAPRDRConnector *drc,
drc->configured = false; drc->configured = false;
} }
return 0; return RTAS_OUT_SUCCESS;
} }
static int set_indicator_state(sPAPRDRConnector *drc, static uint32_t set_indicator_state(sPAPRDRConnector *drc,
sPAPRDRIndicatorState state) sPAPRDRIndicatorState state)
{ {
DPRINTFN("drc: %x, set_indicator_state: %x", get_index(drc), state); DPRINTFN("drc: %x, set_indicator_state: %x", get_index(drc), state);
drc->indicator_state = state; drc->indicator_state = state;
return 0; return RTAS_OUT_SUCCESS;
} }
static int set_allocation_state(sPAPRDRConnector *drc, static uint32_t set_allocation_state(sPAPRDRConnector *drc,
sPAPRDRAllocationState state) sPAPRDRAllocationState state)
{ {
sPAPRDRConnectorClass *drck = SPAPR_DR_CONNECTOR_GET_CLASS(drc); sPAPRDRConnectorClass *drck = SPAPR_DR_CONNECTOR_GET_CLASS(drc);
DPRINTFN("drc: %x, set_allocation_state: %x", get_index(drc), state); DPRINTFN("drc: %x, set_allocation_state: %x", get_index(drc), state);
if (state == SPAPR_DR_ALLOCATION_STATE_USABLE) {
/* if there's no resource/device associated with the DRC, there's
* no way for us to put it in an allocation state consistent with
* being 'USABLE'. PAPR 2.7, 13.5.3.4 documents that this should
* result in an RTAS return code of -3 / "no such indicator"
*/
if (!drc->dev) {
return RTAS_OUT_NO_SUCH_INDICATOR;
}
}
if (drc->type != SPAPR_DR_CONNECTOR_TYPE_PCI) { if (drc->type != SPAPR_DR_CONNECTOR_TYPE_PCI) {
drc->allocation_state = state; drc->allocation_state = state;
if (drc->awaiting_release && if (drc->awaiting_release &&
@ -116,7 +138,7 @@ static int set_allocation_state(sPAPRDRConnector *drc,
drc->detach_cb_opaque, NULL); drc->detach_cb_opaque, NULL);
} }
} }
return 0; return RTAS_OUT_SUCCESS;
} }
static uint32_t get_type(sPAPRDRConnector *drc) static uint32_t get_type(sPAPRDRConnector *drc)
@ -157,10 +179,8 @@ static void set_configured(sPAPRDRConnector *drc)
* based on the current allocation/indicator/power states * based on the current allocation/indicator/power states
* for the DR connector. * for the DR connector.
*/ */
static sPAPRDREntitySense entity_sense(sPAPRDRConnector *drc) static uint32_t entity_sense(sPAPRDRConnector *drc, sPAPRDREntitySense *state)
{ {
sPAPRDREntitySense state;
if (drc->dev) { if (drc->dev) {
if (drc->type != SPAPR_DR_CONNECTOR_TYPE_PCI && if (drc->type != SPAPR_DR_CONNECTOR_TYPE_PCI &&
drc->allocation_state == SPAPR_DR_ALLOCATION_STATE_UNUSABLE) { drc->allocation_state == SPAPR_DR_ALLOCATION_STATE_UNUSABLE) {
@ -169,7 +189,7 @@ static sPAPRDREntitySense entity_sense(sPAPRDRConnector *drc)
* Otherwise, report the state as USABLE/PRESENT, * Otherwise, report the state as USABLE/PRESENT,
* as we would for PCI. * as we would for PCI.
*/ */
state = SPAPR_DR_ENTITY_SENSE_UNUSABLE; *state = SPAPR_DR_ENTITY_SENSE_UNUSABLE;
} else { } else {
/* this assumes all PCI devices are assigned to /* this assumes all PCI devices are assigned to
* a 'live insertion' power domain, where QEMU * a 'live insertion' power domain, where QEMU
@ -177,21 +197,21 @@ static sPAPRDREntitySense entity_sense(sPAPRDRConnector *drc)
* to the guest. present, non-PCI resources are * to the guest. present, non-PCI resources are
* unaffected by power state. * unaffected by power state.
*/ */
state = SPAPR_DR_ENTITY_SENSE_PRESENT; *state = SPAPR_DR_ENTITY_SENSE_PRESENT;
} }
} else { } else {
if (drc->type == SPAPR_DR_CONNECTOR_TYPE_PCI) { if (drc->type == SPAPR_DR_CONNECTOR_TYPE_PCI) {
/* PCI devices, and only PCI devices, use EMPTY /* PCI devices, and only PCI devices, use EMPTY
* in cases where we'd otherwise use UNUSABLE * in cases where we'd otherwise use UNUSABLE
*/ */
state = SPAPR_DR_ENTITY_SENSE_EMPTY; *state = SPAPR_DR_ENTITY_SENSE_EMPTY;
} else { } else {
state = SPAPR_DR_ENTITY_SENSE_UNUSABLE; *state = SPAPR_DR_ENTITY_SENSE_UNUSABLE;
} }
} }
DPRINTFN("drc: %x, entity_sense: %x", get_index(drc), state); DPRINTFN("drc: %x, entity_sense: %x", get_index(drc), state);
return state; return RTAS_OUT_SUCCESS;
} }
static void prop_get_index(Object *obj, Visitor *v, void *opaque, static void prop_get_index(Object *obj, Visitor *v, void *opaque,
@ -224,7 +244,9 @@ static void prop_get_entity_sense(Object *obj, Visitor *v, void *opaque,
{ {
sPAPRDRConnector *drc = SPAPR_DR_CONNECTOR(obj); sPAPRDRConnector *drc = SPAPR_DR_CONNECTOR(obj);
sPAPRDRConnectorClass *drck = SPAPR_DR_CONNECTOR_GET_CLASS(drc); sPAPRDRConnectorClass *drck = SPAPR_DR_CONNECTOR_GET_CLASS(drc);
uint32_t value = (uint32_t)drck->entity_sense(drc); uint32_t value;
drck->entity_sense(drc, &value);
visit_type_uint32(v, &value, name, errp); visit_type_uint32(v, &value, name, errp);
} }
@ -310,7 +332,7 @@ static void attach(sPAPRDRConnector *drc, DeviceState *d, void *fdt,
drc->dev = d; drc->dev = d;
drc->fdt = fdt; drc->fdt = fdt;
drc->fdt_start_offset = fdt_start_offset; drc->fdt_start_offset = fdt_start_offset;
drc->configured = false; drc->configured = coldplug;
object_property_add_link(OBJECT(drc), "device", object_property_add_link(OBJECT(drc), "device",
object_get_typename(OBJECT(drc->dev)), object_get_typename(OBJECT(drc->dev)),
@ -451,14 +473,17 @@ sPAPRDRConnector *spapr_dr_connector_new(Object *owner,
{ {
sPAPRDRConnector *drc = sPAPRDRConnector *drc =
SPAPR_DR_CONNECTOR(object_new(TYPE_SPAPR_DR_CONNECTOR)); SPAPR_DR_CONNECTOR(object_new(TYPE_SPAPR_DR_CONNECTOR));
char *prop_name;
g_assert(type); g_assert(type);
drc->type = type; drc->type = type;
drc->id = id; drc->id = id;
drc->owner = owner; drc->owner = owner;
object_property_add_child(owner, "dr-connector[*]", OBJECT(drc), NULL); prop_name = g_strdup_printf("dr-connector[%"PRIu32"]", get_index(drc));
object_property_add_child(owner, prop_name, OBJECT(drc), NULL);
object_property_set_bool(OBJECT(drc), true, "realized", NULL); object_property_set_bool(OBJECT(drc), true, "realized", NULL);
g_free(prop_name);
/* human-readable name for a DRC to encode into the DT /* human-readable name for a DRC to encode into the DT
* description. this is mainly only used within a guest in place * description. this is mainly only used within a guest in place

51
hw/ppc/spapr_events.c
View File

@ -386,7 +386,9 @@ static void spapr_powerdown_req(Notifier *n, void *opaque)
qemu_irq_pulse(xics_get_qirq(spapr->icp, spapr->check_exception_irq)); qemu_irq_pulse(xics_get_qirq(spapr->icp, spapr->check_exception_irq));
} }
static void spapr_hotplug_req_event(sPAPRDRConnector *drc, uint8_t hp_action) static void spapr_hotplug_req_event(uint8_t hp_id, uint8_t hp_action,
sPAPRDRConnectorType drc_type,
uint32_t drc)
{ {
sPAPRMachineState *spapr = SPAPR_MACHINE(qdev_get_machine()); sPAPRMachineState *spapr = SPAPR_MACHINE(qdev_get_machine());
struct hp_log_full *new_hp; struct hp_log_full *new_hp;
@ -395,8 +397,6 @@ static void spapr_hotplug_req_event(sPAPRDRConnector *drc, uint8_t hp_action)
struct rtas_event_log_v6_maina *maina; struct rtas_event_log_v6_maina *maina;
struct rtas_event_log_v6_mainb *mainb; struct rtas_event_log_v6_mainb *mainb;
struct rtas_event_log_v6_hp *hp; struct rtas_event_log_v6_hp *hp;
sPAPRDRConnectorClass *drck = SPAPR_DR_CONNECTOR_GET_CLASS(drc);
sPAPRDRConnectorType drc_type = drck->get_type(drc);
new_hp = g_malloc0(sizeof(struct hp_log_full)); new_hp = g_malloc0(sizeof(struct hp_log_full));
hdr = &new_hp->hdr; hdr = &new_hp->hdr;
@ -427,14 +427,15 @@ static void spapr_hotplug_req_event(sPAPRDRConnector *drc, uint8_t hp_action)
hp->hdr.section_length = cpu_to_be16(sizeof(*hp)); hp->hdr.section_length = cpu_to_be16(sizeof(*hp));
hp->hdr.section_version = 1; /* includes extended modifier */ hp->hdr.section_version = 1; /* includes extended modifier */
hp->hotplug_action = hp_action; hp->hotplug_action = hp_action;
hp->hotplug_identifier = hp_id;
switch (drc_type) { switch (drc_type) {
case SPAPR_DR_CONNECTOR_TYPE_PCI: case SPAPR_DR_CONNECTOR_TYPE_PCI:
hp->drc.index = cpu_to_be32(drck->get_index(drc));
hp->hotplug_identifier = RTAS_LOG_V6_HP_ID_DRC_INDEX;
hp->hotplug_type = RTAS_LOG_V6_HP_TYPE_PCI; hp->hotplug_type = RTAS_LOG_V6_HP_TYPE_PCI;
break; break;
case SPAPR_DR_CONNECTOR_TYPE_LMB:
hp->hotplug_type = RTAS_LOG_V6_HP_TYPE_MEMORY;
break;
default: default:
/* we shouldn't be signaling hotplug events for resources /* we shouldn't be signaling hotplug events for resources
* that don't support them * that don't support them
@ -443,19 +444,49 @@ static void spapr_hotplug_req_event(sPAPRDRConnector *drc, uint8_t hp_action)
return; return;
} }
if (hp_id == RTAS_LOG_V6_HP_ID_DRC_COUNT) {
hp->drc.count = cpu_to_be32(drc);
} else if (hp_id == RTAS_LOG_V6_HP_ID_DRC_INDEX) {
hp->drc.index = cpu_to_be32(drc);
}
rtas_event_log_queue(RTAS_LOG_TYPE_HOTPLUG, new_hp, true); rtas_event_log_queue(RTAS_LOG_TYPE_HOTPLUG, new_hp, true);
qemu_irq_pulse(xics_get_qirq(spapr->icp, spapr->check_exception_irq)); qemu_irq_pulse(xics_get_qirq(spapr->icp, spapr->check_exception_irq));
} }
void spapr_hotplug_req_add_event(sPAPRDRConnector *drc) void spapr_hotplug_req_add_by_index(sPAPRDRConnector *drc)
{ {
spapr_hotplug_req_event(drc, RTAS_LOG_V6_HP_ACTION_ADD); sPAPRDRConnectorClass *drck = SPAPR_DR_CONNECTOR_GET_CLASS(drc);
sPAPRDRConnectorType drc_type = drck->get_type(drc);
uint32 index = drck->get_index(drc);
spapr_hotplug_req_event(RTAS_LOG_V6_HP_ID_DRC_INDEX,
RTAS_LOG_V6_HP_ACTION_ADD, drc_type, index);
} }
void spapr_hotplug_req_remove_event(sPAPRDRConnector *drc) void spapr_hotplug_req_remove_by_index(sPAPRDRConnector *drc)
{ {
spapr_hotplug_req_event(drc, RTAS_LOG_V6_HP_ACTION_REMOVE); sPAPRDRConnectorClass *drck = SPAPR_DR_CONNECTOR_GET_CLASS(drc);
sPAPRDRConnectorType drc_type = drck->get_type(drc);
uint32 index = drck->get_index(drc);
spapr_hotplug_req_event(RTAS_LOG_V6_HP_ID_DRC_INDEX,
RTAS_LOG_V6_HP_ACTION_REMOVE, drc_type, index);
}
void spapr_hotplug_req_add_by_count(sPAPRDRConnectorType drc_type,
uint32_t count)
{
spapr_hotplug_req_event(RTAS_LOG_V6_HP_ID_DRC_COUNT,
RTAS_LOG_V6_HP_ACTION_ADD, drc_type, count);
}
void spapr_hotplug_req_remove_by_count(sPAPRDRConnectorType drc_type,
uint32_t count)
{
spapr_hotplug_req_event(RTAS_LOG_V6_HP_ID_DRC_COUNT,
RTAS_LOG_V6_HP_ACTION_REMOVE, drc_type, count);
} }
static void check_exception(PowerPCCPU *cpu, sPAPRMachineState *spapr, static void check_exception(PowerPCCPU *cpu, sPAPRMachineState *spapr,

54
hw/ppc/spapr_hcall.c
View File

@ -808,6 +808,32 @@ static target_ulong h_set_mode(PowerPCCPU *cpu, sPAPRMachineState *spapr,
return ret; return ret;
} }
/*
* Return the offset to the requested option vector @vector in the
* option vector table @table.
*/
static target_ulong cas_get_option_vector(int vector, target_ulong table)
{
int i;
char nr_vectors, nr_entries;
if (!table) {
return 0;
}
nr_vectors = (ldl_phys(&address_space_memory, table) >> 24) + 1;
if (!vector || vector > nr_vectors) {
return 0;
}
table++; /* skip nr option vectors */
for (i = 0; i < vector - 1; i++) {
nr_entries = ldl_phys(&address_space_memory, table) >> 24;
table += nr_entries + 2;
}
return table;
}
typedef struct { typedef struct {
PowerPCCPU *cpu; PowerPCCPU *cpu;
uint32_t cpu_version; uint32_t cpu_version;
@ -828,19 +854,22 @@ static void do_set_compat(void *arg)
((cpuver) == CPU_POWERPC_LOGICAL_2_06_PLUS) ? 2061 : \ ((cpuver) == CPU_POWERPC_LOGICAL_2_06_PLUS) ? 2061 : \
((cpuver) == CPU_POWERPC_LOGICAL_2_07) ? 2070 : 0) ((cpuver) == CPU_POWERPC_LOGICAL_2_07) ? 2070 : 0)
#define OV5_DRCONF_MEMORY 0x20
static target_ulong h_client_architecture_support(PowerPCCPU *cpu_, static target_ulong h_client_architecture_support(PowerPCCPU *cpu_,
sPAPRMachineState *spapr, sPAPRMachineState *spapr,
target_ulong opcode, target_ulong opcode,
target_ulong *args) target_ulong *args)
{ {
target_ulong list = args[0]; target_ulong list = args[0], ov_table;
PowerPCCPUClass *pcc_ = POWERPC_CPU_GET_CLASS(cpu_); PowerPCCPUClass *pcc_ = POWERPC_CPU_GET_CLASS(cpu_);
CPUState *cs; CPUState *cs;
bool cpu_match = false; bool cpu_match = false, cpu_update = true, memory_update = false;
unsigned old_cpu_version = cpu_->cpu_version; unsigned old_cpu_version = cpu_->cpu_version;
unsigned compat_lvl = 0, cpu_version = 0; unsigned compat_lvl = 0, cpu_version = 0;
unsigned max_lvl = get_compat_level(cpu_->max_compat); unsigned max_lvl = get_compat_level(cpu_->max_compat);
int counter; int counter;
char ov5_byte2;
/* Parse PVR list */ /* Parse PVR list */
for (counter = 0; counter < 512; ++counter) { for (counter = 0; counter < 512; ++counter) {
@ -890,8 +919,6 @@ static target_ulong h_client_architecture_support(PowerPCCPU *cpu_,
} }
} }
/* For the future use: here @list points to the first capability */
/* Parsing finished */ /* Parsing finished */
trace_spapr_cas_pvr(cpu_->cpu_version, cpu_match, trace_spapr_cas_pvr(cpu_->cpu_version, cpu_match,
cpu_version, pcc_->pcr_mask); cpu_version, pcc_->pcr_mask);
@ -915,14 +942,26 @@ static target_ulong h_client_architecture_support(PowerPCCPU *cpu_,
} }
if (!cpu_version) { if (!cpu_version) {
return H_SUCCESS; cpu_update = false;
} }
/* For the future use: here @ov_table points to the first option vector */
ov_table = list;
list = cas_get_option_vector(5, ov_table);
if (!list) { if (!list) {
return H_SUCCESS; return H_SUCCESS;
} }
if (spapr_h_cas_compose_response(spapr, args[1], args[2])) { /* @list now points to OV 5 */
list += 2;
ov5_byte2 = rtas_ld(list, 0) >> 24;
if (ov5_byte2 & OV5_DRCONF_MEMORY) {
memory_update = true;
}
if (spapr_h_cas_compose_response(spapr, args[1], args[2],
cpu_update, memory_update)) {
qemu_system_reset_request(); qemu_system_reset_request();
} }
@ -971,7 +1010,8 @@ target_ulong spapr_hypercall(PowerPCCPU *cpu, target_ulong opcode,
} }
} }
hcall_dprintf("Unimplemented hcall 0x" TARGET_FMT_lx "\n", opcode); qemu_log_mask(LOG_UNIMP, "Unimplemented SPAPR hcall 0x" TARGET_FMT_lx "\n",
opcode);
return H_FUNCTION; return H_FUNCTION;
} }

45
hw/ppc/spapr_pci.c
View File

@ -140,7 +140,7 @@ static void rtas_ibm_read_pci_config(PowerPCCPU *cpu, sPAPRMachineState *spapr,
return; return;
} }
buid = ((uint64_t)rtas_ld(args, 1) << 32) | rtas_ld(args, 2); buid = rtas_ldq(args, 1);
size = rtas_ld(args, 3); size = rtas_ld(args, 3);
addr = rtas_ld(args, 0); addr = rtas_ld(args, 0);
@ -206,7 +206,7 @@ static void rtas_ibm_write_pci_config(PowerPCCPU *cpu, sPAPRMachineState *spapr,
return; return;
} }
buid = ((uint64_t)rtas_ld(args, 1) << 32) | rtas_ld(args, 2); buid = rtas_ldq(args, 1);
val = rtas_ld(args, 4); val = rtas_ld(args, 4);
size = rtas_ld(args, 3); size = rtas_ld(args, 3);
addr = rtas_ld(args, 0); addr = rtas_ld(args, 0);
@ -269,7 +269,7 @@ static void rtas_ibm_change_msi(PowerPCCPU *cpu, sPAPRMachineState *spapr,
target_ulong rets) target_ulong rets)
{ {
uint32_t config_addr = rtas_ld(args, 0); uint32_t config_addr = rtas_ld(args, 0);
uint64_t buid = ((uint64_t)rtas_ld(args, 1) << 32) | rtas_ld(args, 2); uint64_t buid = rtas_ldq(args, 1);
unsigned int func = rtas_ld(args, 3); unsigned int func = rtas_ld(args, 3);
unsigned int req_num = rtas_ld(args, 4); /* 0 == remove all */ unsigned int req_num = rtas_ld(args, 4); /* 0 == remove all */
unsigned int seq_num = rtas_ld(args, 5); unsigned int seq_num = rtas_ld(args, 5);
@ -375,7 +375,9 @@ out:
rtas_st(rets, 0, RTAS_OUT_SUCCESS); rtas_st(rets, 0, RTAS_OUT_SUCCESS);
rtas_st(rets, 1, req_num); rtas_st(rets, 1, req_num);
rtas_st(rets, 2, ++seq_num); rtas_st(rets, 2, ++seq_num);
if (nret > 3) {
rtas_st(rets, 3, ret_intr_type); rtas_st(rets, 3, ret_intr_type);
}
trace_spapr_pci_rtas_ibm_change_msi(config_addr, func, req_num, irq); trace_spapr_pci_rtas_ibm_change_msi(config_addr, func, req_num, irq);
} }
@ -389,7 +391,7 @@ static void rtas_ibm_query_interrupt_source_number(PowerPCCPU *cpu,
target_ulong rets) target_ulong rets)
{ {
uint32_t config_addr = rtas_ld(args, 0); uint32_t config_addr = rtas_ld(args, 0);
uint64_t buid = ((uint64_t)rtas_ld(args, 1) << 32) | rtas_ld(args, 2); uint64_t buid = rtas_ldq(args, 1);
unsigned int intr_src_num = -1, ioa_intr_num = rtas_ld(args, 3); unsigned int intr_src_num = -1, ioa_intr_num = rtas_ld(args, 3);
sPAPRPHBState *phb = NULL; sPAPRPHBState *phb = NULL;
PCIDevice *pdev = NULL; PCIDevice *pdev = NULL;
@ -429,7 +431,6 @@ static void rtas_ibm_set_eeh_option(PowerPCCPU *cpu,
{ {
sPAPRPHBState *sphb; sPAPRPHBState *sphb;
sPAPRPHBClass *spc; sPAPRPHBClass *spc;
PCIDevice *pdev;
uint32_t addr, option; uint32_t addr, option;
uint64_t buid; uint64_t buid;
int ret; int ret;
@ -438,7 +439,7 @@ static void rtas_ibm_set_eeh_option(PowerPCCPU *cpu,
goto param_error_exit; goto param_error_exit;
} }
buid = ((uint64_t)rtas_ld(args, 1) << 32) | rtas_ld(args, 2); buid = rtas_ldq(args, 1);
addr = rtas_ld(args, 0); addr = rtas_ld(args, 0);
option = rtas_ld(args, 3); option = rtas_ld(args, 3);
@ -447,12 +448,6 @@ static void rtas_ibm_set_eeh_option(PowerPCCPU *cpu,
goto param_error_exit; goto param_error_exit;
} }
pdev = pci_find_device(PCI_HOST_BRIDGE(sphb)->bus,
(addr >> 16) & 0xFF, (addr >> 8) & 0xFF);
if (!pdev || !object_dynamic_cast(OBJECT(pdev), "vfio-pci")) {
goto param_error_exit;
}
spc = SPAPR_PCI_HOST_BRIDGE_GET_CLASS(sphb); spc = SPAPR_PCI_HOST_BRIDGE_GET_CLASS(sphb);
if (!spc->eeh_set_option) { if (!spc->eeh_set_option) {
goto param_error_exit; goto param_error_exit;
@ -482,7 +477,7 @@ static void rtas_ibm_get_config_addr_info2(PowerPCCPU *cpu,
goto param_error_exit; goto param_error_exit;
} }
buid = ((uint64_t)rtas_ld(args, 1) << 32) | rtas_ld(args, 2); buid = rtas_ldq(args, 1);
sphb = spapr_pci_find_phb(spapr, buid); sphb = spapr_pci_find_phb(spapr, buid);
if (!sphb) { if (!sphb) {
goto param_error_exit; goto param_error_exit;
@ -537,7 +532,7 @@ static void rtas_ibm_read_slot_reset_state2(PowerPCCPU *cpu,
goto param_error_exit; goto param_error_exit;
} }
buid = ((uint64_t)rtas_ld(args, 1) << 32) | rtas_ld(args, 2); buid = rtas_ldq(args, 1);
sphb = spapr_pci_find_phb(spapr, buid); sphb = spapr_pci_find_phb(spapr, buid);
if (!sphb) { if (!sphb) {
goto param_error_exit; goto param_error_exit;
@ -582,7 +577,7 @@ static void rtas_ibm_set_slot_reset(PowerPCCPU *cpu,
goto param_error_exit; goto param_error_exit;
} }
buid = ((uint64_t)rtas_ld(args, 1) << 32) | rtas_ld(args, 2); buid = rtas_ldq(args, 1);
option = rtas_ld(args, 3); option = rtas_ld(args, 3);
sphb = spapr_pci_find_phb(spapr, buid); sphb = spapr_pci_find_phb(spapr, buid);
if (!sphb) { if (!sphb) {
@ -617,7 +612,7 @@ static void rtas_ibm_configure_pe(PowerPCCPU *cpu,
goto param_error_exit; goto param_error_exit;
} }
buid = ((uint64_t)rtas_ld(args, 1) << 32) | rtas_ld(args, 2); buid = rtas_ldq(args, 1);
sphb = spapr_pci_find_phb(spapr, buid); sphb = spapr_pci_find_phb(spapr, buid);
if (!sphb) { if (!sphb) {
goto param_error_exit; goto param_error_exit;
@ -652,7 +647,7 @@ static void rtas_ibm_slot_error_detail(PowerPCCPU *cpu,
goto param_error_exit; goto param_error_exit;
} }
buid = ((uint64_t)rtas_ld(args, 1) << 32) | rtas_ld(args, 2); buid = rtas_ldq(args, 1);
sphb = spapr_pci_find_phb(spapr, buid); sphb = spapr_pci_find_phb(spapr, buid);
if (!sphb) { if (!sphb) {
goto param_error_exit; goto param_error_exit;
@ -955,6 +950,7 @@ static int spapr_populate_pci_child_dt(PCIDevice *dev, void *fdt, int offset,
int pci_status, err; int pci_status, err;
char *buf = NULL; char *buf = NULL;
uint32_t drc_index = spapr_phb_get_pci_drc_index(sphb, dev); uint32_t drc_index = spapr_phb_get_pci_drc_index(sphb, dev);
uint32_t max_msi, max_msix;
if (pci_default_read_config(dev, PCI_HEADER_TYPE, 1) == if (pci_default_read_config(dev, PCI_HEADER_TYPE, 1) ==
PCI_HEADER_TYPE_BRIDGE) { PCI_HEADER_TYPE_BRIDGE) {
@ -1035,8 +1031,15 @@ static int spapr_populate_pci_child_dt(PCIDevice *dev, void *fdt, int offset,
RESOURCE_CELLS_ADDRESS)); RESOURCE_CELLS_ADDRESS));
_FDT(fdt_setprop_cell(fdt, offset, "#size-cells", _FDT(fdt_setprop_cell(fdt, offset, "#size-cells",
RESOURCE_CELLS_SIZE)); RESOURCE_CELLS_SIZE));
_FDT(fdt_setprop_cell(fdt, offset, "ibm,req#msi-x",
RESOURCE_CELLS_SIZE)); max_msi = msi_nr_vectors_allocated(dev);
if (max_msi) {
_FDT(fdt_setprop_cell(fdt, offset, "ibm,req#msi", max_msi));
}
max_msix = dev->msix_entries_nr;
if (max_msix) {
_FDT(fdt_setprop_cell(fdt, offset, "ibm,req#msi-x", max_msix));
}
populate_resource_props(dev, &rp); populate_resource_props(dev, &rp);
_FDT(fdt_setprop(fdt, offset, "reg", (uint8_t *)rp.reg, rp.reg_len)); _FDT(fdt_setprop(fdt, offset, "reg", (uint8_t *)rp.reg, rp.reg_len));
@ -1177,7 +1180,7 @@ static void spapr_phb_hot_plug_child(HotplugHandler *plug_handler,
return; return;
} }
if (plugged_dev->hotplugged) { if (plugged_dev->hotplugged) {
spapr_hotplug_req_add_event(drc); spapr_hotplug_req_add_by_index(drc);
} }
} }
@ -1205,7 +1208,7 @@ static void spapr_phb_hot_unplug_child(HotplugHandler *plug_handler,
error_propagate(errp, local_err); error_propagate(errp, local_err);
return; return;
} }
spapr_hotplug_req_remove_event(drc); spapr_hotplug_req_remove_by_index(drc);
} }
} }

2
hw/ppc/spapr_pci_vfio.c
View File

@ -117,7 +117,7 @@ static int spapr_phb_vfio_eeh_set_option(sPAPRPHBState *sphb,
phb = PCI_HOST_BRIDGE(sphb); phb = PCI_HOST_BRIDGE(sphb);
pdev = pci_find_device(phb->bus, pdev = pci_find_device(phb->bus,
(addr >> 16) & 0xFF, (addr >> 8) & 0xFF); (addr >> 16) & 0xFF, (addr >> 8) & 0xFF);
if (!pdev) { if (!pdev || !object_dynamic_cast(OBJECT(pdev), "vfio-pci")) {
return RTAS_OUT_PARAM_ERROR; return RTAS_OUT_PARAM_ERROR;
} }

186
hw/ppc/spapr_rng.c Normal file
View File

@ -0,0 +1,186 @@
/*
* QEMU sPAPR random number generator "device" for H_RANDOM hypercall
*
* Copyright 2015 Thomas Huth, Red Hat Inc.
*
* 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; either version 2 of the License,
* or (at your option) any later version.
*
* 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 "qemu/error-report.h"
#include "sysemu/sysemu.h"
#include "sysemu/device_tree.h"
#include "sysemu/rng.h"
#include "hw/ppc/spapr.h"
#include "kvm_ppc.h"
#define SPAPR_RNG(obj) \
OBJECT_CHECK(sPAPRRngState, (obj), TYPE_SPAPR_RNG)
struct sPAPRRngState {
/*< private >*/
DeviceState ds;
RngBackend *backend;
bool use_kvm;
};
typedef struct sPAPRRngState sPAPRRngState;
struct HRandomData {
QemuSemaphore sem;
union {
uint64_t v64;
uint8_t v8[8];
} val;
int received;
};
typedef struct HRandomData HRandomData;
/* Callback function for the RngBackend */
static void random_recv(void *dest, const void *src, size_t size)
{
HRandomData *hrdp = dest;
if (src && size > 0) {
assert(size + hrdp->received <= sizeof(hrdp->val.v8));
memcpy(&hrdp->val.v8[hrdp->received], src, size);
hrdp->received += size;
}
qemu_sem_post(&hrdp->sem);
}
/* Handler for the H_RANDOM hypercall */
static target_ulong h_random(PowerPCCPU *cpu, sPAPRMachineState *spapr,
target_ulong opcode, target_ulong *args)
{
sPAPRRngState *rngstate;
HRandomData hrdata;
rngstate = SPAPR_RNG(object_resolve_path_type("", TYPE_SPAPR_RNG, NULL));
if (!rngstate || !rngstate->backend) {
return H_HARDWARE;
}
qemu_sem_init(&hrdata.sem, 0);
hrdata.val.v64 = 0;
hrdata.received = 0;
qemu_mutex_unlock_iothread();
while (hrdata.received < 8) {
rng_backend_request_entropy(rngstate->backend, 8 - hrdata.received,
random_recv, &hrdata);
qemu_sem_wait(&hrdata.sem);
}
qemu_mutex_lock_iothread();
qemu_sem_destroy(&hrdata.sem);
args[0] = hrdata.val.v64;
return H_SUCCESS;
}
static void spapr_rng_instance_init(Object *obj)
{
sPAPRRngState *rngstate = SPAPR_RNG(obj);
if (object_resolve_path_type("", TYPE_SPAPR_RNG, NULL) != NULL) {
error_report("spapr-rng can not be instantiated twice!");
return;
}
object_property_add_link(obj, "rng", TYPE_RNG_BACKEND,
(Object **)&rngstate->backend,
object_property_allow_set_link,
OBJ_PROP_LINK_UNREF_ON_RELEASE, NULL);
object_property_set_description(obj, "rng",
"ID of the random number generator backend",
NULL);
}
static void spapr_rng_realize(DeviceState *dev, Error **errp)
{
sPAPRRngState *rngstate = SPAPR_RNG(dev);
if (rngstate->use_kvm) {
if (kvmppc_enable_hwrng() == 0) {
return;
}
/*
* If user specified both, use-kvm and a backend, we fall back to
* the backend now. If not, provide an appropriate error message.
*/
if (!rngstate->backend) {
error_setg(errp, "Could not initialize in-kernel H_RANDOM call!");
return;
}
}
if (rngstate->backend) {
spapr_register_hypercall(H_RANDOM, h_random);
} else {
error_setg(errp, "spapr-rng needs an RNG backend!");
}
}
int spapr_rng_populate_dt(void *fdt)
{
int node;
int ret;
node = qemu_fdt_add_subnode(fdt, "/ibm,platform-facilities");
if (node <= 0) {
return -1;
}
ret = fdt_setprop_string(fdt, node, "device_type",
"ibm,platform-facilities");
ret |= fdt_setprop_cell(fdt, node, "#address-cells", 0x1);
ret |= fdt_setprop_cell(fdt, node, "#size-cells", 0x0);
node = fdt_add_subnode(fdt, node, "ibm,random-v1");
if (node <= 0) {
return -1;
}
ret |= fdt_setprop_string(fdt, node, "compatible", "ibm,random");
return ret ? -1 : 0;
}
static Property spapr_rng_properties[] = {
DEFINE_PROP_BOOL("use-kvm", sPAPRRngState, use_kvm, false),
DEFINE_PROP_END_OF_LIST(),
};
static void spapr_rng_class_init(ObjectClass *oc, void *data)
{
DeviceClass *dc = DEVICE_CLASS(oc);
dc->realize = spapr_rng_realize;
set_bit(DEVICE_CATEGORY_MISC, dc->categories);
dc->props = spapr_rng_properties;
}
static const TypeInfo spapr_rng_info = {
.name = TYPE_SPAPR_RNG,
.parent = TYPE_DEVICE,
.instance_size = sizeof(sPAPRRngState),
.instance_init = spapr_rng_instance_init,
.class_init = spapr_rng_class_init,
};
static void spapr_rng_register_type(void)
{
type_register_static(&spapr_rng_info);
}
type_init(spapr_rng_register_type)

57
hw/ppc/spapr_rtas.c
View File

@ -34,6 +34,7 @@
#include "hw/ppc/spapr.h" #include "hw/ppc/spapr.h"
#include "hw/ppc/spapr_vio.h" #include "hw/ppc/spapr_vio.h"
#include "qapi-event.h" #include "qapi-event.h"
#include "hw/boards.h"
#include <libfdt.h> #include <libfdt.h>
#include "hw/ppc/spapr_drc.h" #include "hw/ppc/spapr_drc.h"
@ -240,8 +241,14 @@ static void rtas_ibm_get_system_parameter(PowerPCCPU *cpu,
switch (parameter) { switch (parameter) {
case RTAS_SYSPARM_SPLPAR_CHARACTERISTICS: { case RTAS_SYSPARM_SPLPAR_CHARACTERISTICS: {
char *param_val = g_strdup_printf("MaxEntCap=%d,MaxPlatProcs=%d", char *param_val = g_strdup_printf("MaxEntCap=%d,"
max_cpus, smp_cpus); "DesMem=%llu,"
"DesProcs=%d,"
"MaxPlatProcs=%d",
max_cpus,
current_machine->ram_size / M_BYTE,
smp_cpus,
max_cpus);
rtas_st_buffer(buffer, length, (uint8_t *)param_val, strlen(param_val)); rtas_st_buffer(buffer, length, (uint8_t *)param_val, strlen(param_val));
g_free(param_val); g_free(param_val);
break; break;
@ -365,12 +372,13 @@ static void rtas_set_indicator(PowerPCCPU *cpu, sPAPRMachineState *spapr,
uint32_t sensor_type; uint32_t sensor_type;
uint32_t sensor_index; uint32_t sensor_index;
uint32_t sensor_state; uint32_t sensor_state;
uint32_t ret = RTAS_OUT_SUCCESS;
sPAPRDRConnector *drc; sPAPRDRConnector *drc;
sPAPRDRConnectorClass *drck; sPAPRDRConnectorClass *drck;
if (nargs != 3 || nret != 1) { if (nargs != 3 || nret != 1) {
rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR); ret = RTAS_OUT_PARAM_ERROR;
return; goto out;
} }
sensor_type = rtas_ld(args, 0); sensor_type = rtas_ld(args, 0);
@ -386,8 +394,8 @@ static void rtas_set_indicator(PowerPCCPU *cpu, sPAPRMachineState *spapr,
if (!drc) { if (!drc) {
DPRINTF("rtas_set_indicator: invalid sensor/DRC index: %xh\n", DPRINTF("rtas_set_indicator: invalid sensor/DRC index: %xh\n",
sensor_index); sensor_index);
rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR); ret = RTAS_OUT_PARAM_ERROR;
return; goto out;
} }
drck = SPAPR_DR_CONNECTOR_GET_CLASS(drc); drck = SPAPR_DR_CONNECTOR_GET_CLASS(drc);
@ -406,19 +414,20 @@ static void rtas_set_indicator(PowerPCCPU *cpu, sPAPRMachineState *spapr,
spapr_ccs_remove(spapr, ccs); spapr_ccs_remove(spapr, ccs);
} }
} }
drck->set_isolation_state(drc, sensor_state); ret = drck->set_isolation_state(drc, sensor_state);
break; break;
case RTAS_SENSOR_TYPE_DR: case RTAS_SENSOR_TYPE_DR:
drck->set_indicator_state(drc, sensor_state); ret = drck->set_indicator_state(drc, sensor_state);
break; break;
case RTAS_SENSOR_TYPE_ALLOCATION_STATE: case RTAS_SENSOR_TYPE_ALLOCATION_STATE:
drck->set_allocation_state(drc, sensor_state); ret = drck->set_allocation_state(drc, sensor_state);
break; break;
default: default:
goto out_unimplemented; goto out_unimplemented;
} }
rtas_st(rets, 0, RTAS_OUT_SUCCESS); out:
rtas_st(rets, 0, ret);
return; return;
out_unimplemented: out_unimplemented:
@ -435,13 +444,14 @@ static void rtas_get_sensor_state(PowerPCCPU *cpu, sPAPRMachineState *spapr,
{ {
uint32_t sensor_type; uint32_t sensor_type;
uint32_t sensor_index; uint32_t sensor_index;
uint32_t sensor_state = 0;
sPAPRDRConnector *drc; sPAPRDRConnector *drc;
sPAPRDRConnectorClass *drck; sPAPRDRConnectorClass *drck;
uint32_t entity_sense; uint32_t ret = RTAS_OUT_SUCCESS;
if (nargs != 2 || nret != 2) { if (nargs != 2 || nret != 2) {
rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR); ret = RTAS_OUT_PARAM_ERROR;
return; goto out;
} }
sensor_type = rtas_ld(args, 0); sensor_type = rtas_ld(args, 0);
@ -451,22 +461,23 @@ static void rtas_get_sensor_state(PowerPCCPU *cpu, sPAPRMachineState *spapr,
/* currently only DR-related sensors are implemented */ /* currently only DR-related sensors are implemented */
DPRINTF("rtas_get_sensor_state: sensor/indicator not implemented: %d\n", DPRINTF("rtas_get_sensor_state: sensor/indicator not implemented: %d\n",
sensor_type); sensor_type);
rtas_st(rets, 0, RTAS_OUT_NOT_SUPPORTED); ret = RTAS_OUT_NOT_SUPPORTED;
return; goto out;
} }
drc = spapr_dr_connector_by_index(sensor_index); drc = spapr_dr_connector_by_index(sensor_index);
if (!drc) { if (!drc) {
DPRINTF("rtas_get_sensor_state: invalid sensor/DRC index: %xh\n", DPRINTF("rtas_get_sensor_state: invalid sensor/DRC index: %xh\n",
sensor_index); sensor_index);
rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR); ret = RTAS_OUT_PARAM_ERROR;
return; goto out;
} }
drck = SPAPR_DR_CONNECTOR_GET_CLASS(drc); drck = SPAPR_DR_CONNECTOR_GET_CLASS(drc);
entity_sense = drck->entity_sense(drc); ret = drck->entity_sense(drc, &sensor_state);
rtas_st(rets, 0, RTAS_OUT_SUCCESS); out:
rtas_st(rets, 1, entity_sense); rtas_st(rets, 0, ret);
rtas_st(rets, 1, sensor_state);
} }
/* configure-connector work area offsets, int32_t units for field /* configure-connector work area offsets, int32_t units for field
@ -515,6 +526,12 @@ static void rtas_ibm_configure_connector(PowerPCCPU *cpu,
drck = SPAPR_DR_CONNECTOR_GET_CLASS(drc); drck = SPAPR_DR_CONNECTOR_GET_CLASS(drc);
fdt = drck->get_fdt(drc, NULL); fdt = drck->get_fdt(drc, NULL);
if (!fdt) {
DPRINTF("rtas_ibm_configure_connector: Missing FDT for DRC index: %xh\n",
drc_index);
rc = SPAPR_DR_CC_RESPONSE_NOT_CONFIGURABLE;
goto out;
}
ccs = spapr_ccs_find(spapr, drc_index); ccs = spapr_ccs_find(spapr, drc_index);
if (!ccs) { if (!ccs) {

57
include/hw/ppc/spapr.h
View File

@ -5,6 +5,7 @@
#include "hw/boards.h" #include "hw/boards.h"
#include "hw/ppc/xics.h" #include "hw/ppc/xics.h"
#include "hw/ppc/spapr_drc.h" #include "hw/ppc/spapr_drc.h"
#include "hw/mem/pc-dimm.h"
struct VIOsPAPRBus; struct VIOsPAPRBus;
struct sPAPRPHBState; struct sPAPRPHBState;
@ -34,6 +35,7 @@ struct sPAPRMachineClass {
MachineClass parent_class; MachineClass parent_class;
/*< public >*/ /*< public >*/
bool dr_lmb_enabled; /* enable dynamic-reconfig/hotplug of LMBs */
}; };
/** /**
@ -76,6 +78,7 @@ struct sPAPRMachineState {
/*< public >*/ /*< public >*/
char *kvm_type; char *kvm_type;
MemoryHotplugState hotplug_memory;
}; };
#define H_SUCCESS 0 #define H_SUCCESS 0
@ -331,6 +334,7 @@ struct sPAPRMachineState {
#define H_SET_MPP 0x2D0 #define H_SET_MPP 0x2D0
#define H_GET_MPP 0x2D4 #define H_GET_MPP 0x2D4
#define H_XIRR_X 0x2FC #define H_XIRR_X 0x2FC
#define H_RANDOM 0x300
#define H_SET_MODE 0x31C #define H_SET_MODE 0x31C
#define MAX_HCALL_OPCODE H_SET_MODE #define MAX_HCALL_OPCODE H_SET_MODE
@ -353,15 +357,10 @@ typedef struct sPAPRDeviceTreeUpdateHeader {
uint32_t version_id; uint32_t version_id;
} sPAPRDeviceTreeUpdateHeader; } sPAPRDeviceTreeUpdateHeader;
/*#define DEBUG_SPAPR_HCALLS*/
#ifdef DEBUG_SPAPR_HCALLS
#define hcall_dprintf(fmt, ...) \ #define hcall_dprintf(fmt, ...) \
do { fprintf(stderr, "%s: " fmt, __func__, ## __VA_ARGS__); } while (0) do { \
#else qemu_log_mask(LOG_GUEST_ERROR, "%s: " fmt, __func__, ## __VA_ARGS__); \
#define hcall_dprintf(fmt, ...) \ } while (0)
do { } while (0)
#endif
typedef target_ulong (*spapr_hcall_fn)(PowerPCCPU *cpu, sPAPRMachineState *sm, typedef target_ulong (*spapr_hcall_fn)(PowerPCCPU *cpu, sPAPRMachineState *sm,
target_ulong opcode, target_ulong opcode,
@ -414,6 +413,7 @@ int spapr_allocate_irq_block(int num, bool lsi, bool msi);
#define RTAS_OUT_BUSY -2 #define RTAS_OUT_BUSY -2
#define RTAS_OUT_PARAM_ERROR -3 #define RTAS_OUT_PARAM_ERROR -3
#define RTAS_OUT_NOT_SUPPORTED -3 #define RTAS_OUT_NOT_SUPPORTED -3
#define RTAS_OUT_NO_SUCH_INDICATOR -3
#define RTAS_OUT_NOT_AUTHORIZED -9002 #define RTAS_OUT_NOT_AUTHORIZED -9002
/* RTAS tokens */ /* RTAS tokens */
@ -494,6 +494,11 @@ static inline uint32_t rtas_ld(target_ulong phys, int n)
return ldl_be_phys(&address_space_memory, ppc64_phys_to_real(phys + 4*n)); return ldl_be_phys(&address_space_memory, ppc64_phys_to_real(phys + 4*n));
} }
static inline uint64_t rtas_ldq(target_ulong phys, int n)
{
return (uint64_t)rtas_ld(phys, n) << 32 | rtas_ld(phys, n + 1);
}
static inline void rtas_st(target_ulong phys, int n, uint32_t val) static inline void rtas_st(target_ulong phys, int n, uint32_t val)
{ {
stl_be_phys(&address_space_memory, ppc64_phys_to_real(phys + 4*n), val); stl_be_phys(&address_space_memory, ppc64_phys_to_real(phys + 4*n), val);
@ -577,7 +582,8 @@ struct sPAPREventLogEntry {
void spapr_events_init(sPAPRMachineState *sm); void spapr_events_init(sPAPRMachineState *sm);
void spapr_events_fdt_skel(void *fdt, uint32_t epow_irq); void spapr_events_fdt_skel(void *fdt, uint32_t epow_irq);
int spapr_h_cas_compose_response(sPAPRMachineState *sm, int spapr_h_cas_compose_response(sPAPRMachineState *sm,
target_ulong addr, target_ulong size); target_ulong addr, target_ulong size,
bool cpu_update, bool memory_update);
sPAPRTCETable *spapr_tce_new_table(DeviceState *owner, uint32_t liobn, sPAPRTCETable *spapr_tce_new_table(DeviceState *owner, uint32_t liobn,
uint64_t bus_offset, uint64_t bus_offset,
uint32_t page_shift, uint32_t page_shift,
@ -589,8 +595,12 @@ int spapr_dma_dt(void *fdt, int node_off, const char *propname,
int spapr_tcet_dma_dt(void *fdt, int node_off, const char *propname, int spapr_tcet_dma_dt(void *fdt, int node_off, const char *propname,
sPAPRTCETable *tcet); sPAPRTCETable *tcet);
void spapr_pci_switch_vga(bool big_endian); void spapr_pci_switch_vga(bool big_endian);
void spapr_hotplug_req_add_event(sPAPRDRConnector *drc); void spapr_hotplug_req_add_by_index(sPAPRDRConnector *drc);
void spapr_hotplug_req_remove_event(sPAPRDRConnector *drc); void spapr_hotplug_req_remove_by_index(sPAPRDRConnector *drc);
void spapr_hotplug_req_add_by_count(sPAPRDRConnectorType drc_type,
uint32_t count);
void spapr_hotplug_req_remove_by_count(sPAPRDRConnectorType drc_type,
uint32_t count);
/* rtas-configure-connector state */ /* rtas-configure-connector state */
struct sPAPRConfigureConnectorState { struct sPAPRConfigureConnectorState {
@ -603,10 +613,35 @@ struct sPAPRConfigureConnectorState {
void spapr_ccs_reset_hook(void *opaque); void spapr_ccs_reset_hook(void *opaque);
#define TYPE_SPAPR_RTC "spapr-rtc" #define TYPE_SPAPR_RTC "spapr-rtc"
#define TYPE_SPAPR_RNG "spapr-rng"
void spapr_rtc_read(DeviceState *dev, struct tm *tm, uint32_t *ns); void spapr_rtc_read(DeviceState *dev, struct tm *tm, uint32_t *ns);
int spapr_rtc_import_offset(DeviceState *dev, int64_t legacy_offset); int spapr_rtc_import_offset(DeviceState *dev, int64_t legacy_offset);
int spapr_rng_populate_dt(void *fdt);
#define SPAPR_MEMORY_BLOCK_SIZE (1 << 28) /* 256MB */ #define SPAPR_MEMORY_BLOCK_SIZE (1 << 28) /* 256MB */
/*
* This defines the maximum number of DIMM slots we can have for sPAPR
* guest. This is not defined by sPAPR but we are defining it to 32 slots
* based on default number of slots provided by PowerPC kernel.
*/
#define SPAPR_MAX_RAM_SLOTS 32
/* 1GB alignment for hotplug memory region */
#define SPAPR_HOTPLUG_MEM_ALIGN (1ULL << 30)
/*
* Number of 32 bit words in each LMB list entry in ibm,dynamic-memory
* property under ibm,dynamic-reconfiguration-memory node.
*/
#define SPAPR_DR_LMB_LIST_ENTRY_SIZE 6
/*
* This flag value defines the LMB as assigned in ibm,dynamic-memory
* property under ibm,dynamic-reconfiguration-memory node.
*/
#define SPAPR_LMB_FLAGS_ASSIGNED 0x00000008
#endif /* !defined (__HW_SPAPR_H__) */ #endif /* !defined (__HW_SPAPR_H__) */

9
include/hw/ppc/spapr_drc.h
View File

@ -126,6 +126,7 @@ typedef enum {
SPAPR_DR_CC_RESPONSE_SUCCESS = 0, SPAPR_DR_CC_RESPONSE_SUCCESS = 0,
SPAPR_DR_CC_RESPONSE_ERROR = -1, SPAPR_DR_CC_RESPONSE_ERROR = -1,
SPAPR_DR_CC_RESPONSE_CONTINUE = -2, SPAPR_DR_CC_RESPONSE_CONTINUE = -2,
SPAPR_DR_CC_RESPONSE_NOT_CONFIGURABLE = -9003,
} sPAPRDRCCResponse; } sPAPRDRCCResponse;
typedef void (spapr_drc_detach_cb)(DeviceState *d, void *opaque); typedef void (spapr_drc_detach_cb)(DeviceState *d, void *opaque);
@ -164,17 +165,17 @@ typedef struct sPAPRDRConnectorClass {
/*< public >*/ /*< public >*/
/* accessors for guest-visible (generally via RTAS) DR state */ /* accessors for guest-visible (generally via RTAS) DR state */
int (*set_isolation_state)(sPAPRDRConnector *drc, uint32_t (*set_isolation_state)(sPAPRDRConnector *drc,
sPAPRDRIsolationState state); sPAPRDRIsolationState state);
int (*set_indicator_state)(sPAPRDRConnector *drc, uint32_t (*set_indicator_state)(sPAPRDRConnector *drc,
sPAPRDRIndicatorState state); sPAPRDRIndicatorState state);
int (*set_allocation_state)(sPAPRDRConnector *drc, uint32_t (*set_allocation_state)(sPAPRDRConnector *drc,
sPAPRDRAllocationState state); sPAPRDRAllocationState state);
uint32_t (*get_index)(sPAPRDRConnector *drc); uint32_t (*get_index)(sPAPRDRConnector *drc);
uint32_t (*get_type)(sPAPRDRConnector *drc); uint32_t (*get_type)(sPAPRDRConnector *drc);
const char *(*get_name)(sPAPRDRConnector *drc); const char *(*get_name)(sPAPRDRConnector *drc);
sPAPRDREntitySense (*entity_sense)(sPAPRDRConnector *drc); uint32_t (*entity_sense)(sPAPRDRConnector *drc, sPAPRDREntitySense *state);
/* QEMU interfaces for managing FDT/configure-connector */ /* QEMU interfaces for managing FDT/configure-connector */
const void *(*get_fdt)(sPAPRDRConnector *drc, int *fdt_start_offset); const void *(*get_fdt)(sPAPRDRConnector *drc, int *fdt_start_offset);

2
pc-bios/README
View File

@ -17,7 +17,7 @@
- SLOF (Slimline Open Firmware) is a free IEEE 1275 Open Firmware - SLOF (Slimline Open Firmware) is a free IEEE 1275 Open Firmware
implementation for certain IBM POWER hardware. The sources are at implementation for certain IBM POWER hardware. The sources are at
https://github.com/aik/SLOF, and the image currently in qemu is https://github.com/aik/SLOF, and the image currently in qemu is
built from git tag qemu-slof-20150429. built from git tag qemu-slof-20150813.
- sgabios (the Serial Graphics Adapter option ROM) provides a means for - sgabios (the Serial Graphics Adapter option ROM) provides a means for
legacy x86 software to communicate with an attached serial console as legacy x86 software to communicate with an attached serial console as

BIN
pc-bios/slof.bin
View File

Binary file not shown.

2
roms/SLOF

@ -1 +1 @@
Subproject commit 7d766a3ac9b2474f6c7da0084d43590cbbf047bf Subproject commit 811277ac91f674a9273e2b529791e9b75350f3e8

14
target-ppc/kvm.c
View File

@ -1953,6 +1953,11 @@ void kvmppc_enable_logical_ci_hcalls(void)
kvmppc_enable_hcall(kvm_state, H_LOGICAL_CI_STORE); kvmppc_enable_hcall(kvm_state, H_LOGICAL_CI_STORE);
} }
void kvmppc_enable_set_mode_hcall(void)
{
kvmppc_enable_hcall(kvm_state, H_SET_MODE);
}
void kvmppc_set_papr(PowerPCCPU *cpu) void kvmppc_set_papr(PowerPCCPU *cpu)
{ {
CPUState *cs = CPU(cpu); CPUState *cs = CPU(cpu);
@ -2484,3 +2489,12 @@ int kvm_arch_msi_data_to_gsi(uint32_t data)
{ {
return data & 0xffff; return data & 0xffff;
} }
int kvmppc_enable_hwrng(void)
{
if (!kvm_enabled() || !kvm_check_extension(kvm_state, KVM_CAP_PPC_HWRNG)) {
return -1;
}
return kvmppc_enable_hcall(kvm_state, H_RANDOM);
}

10
target-ppc/kvm_ppc.h
View File

@ -23,6 +23,7 @@ int kvmppc_get_hasidle(CPUPPCState *env);
int kvmppc_get_hypercall(CPUPPCState *env, uint8_t *buf, int buf_len); int kvmppc_get_hypercall(CPUPPCState *env, uint8_t *buf, int buf_len);
int kvmppc_set_interrupt(PowerPCCPU *cpu, int irq, int level); int kvmppc_set_interrupt(PowerPCCPU *cpu, int irq, int level);
void kvmppc_enable_logical_ci_hcalls(void); void kvmppc_enable_logical_ci_hcalls(void);
void kvmppc_enable_set_mode_hcall(void);
void kvmppc_set_papr(PowerPCCPU *cpu); void kvmppc_set_papr(PowerPCCPU *cpu);
int kvmppc_set_compat(PowerPCCPU *cpu, uint32_t cpu_version); int kvmppc_set_compat(PowerPCCPU *cpu, uint32_t cpu_version);
void kvmppc_set_mpic_proxy(PowerPCCPU *cpu, int mpic_proxy); void kvmppc_set_mpic_proxy(PowerPCCPU *cpu, int mpic_proxy);
@ -53,6 +54,7 @@ void kvmppc_hash64_free_pteg(uint64_t token);
void kvmppc_hash64_write_pte(CPUPPCState *env, target_ulong pte_index, void kvmppc_hash64_write_pte(CPUPPCState *env, target_ulong pte_index,
target_ulong pte0, target_ulong pte1); target_ulong pte0, target_ulong pte1);
bool kvmppc_has_cap_fixup_hcalls(void); bool kvmppc_has_cap_fixup_hcalls(void);
int kvmppc_enable_hwrng(void);
#else #else
@ -110,6 +112,10 @@ static inline void kvmppc_enable_logical_ci_hcalls(void)
{ {
} }
static inline void kvmppc_enable_set_mode_hcall(void)
{
}
static inline void kvmppc_set_papr(PowerPCCPU *cpu) static inline void kvmppc_set_papr(PowerPCCPU *cpu)
{ {
} }
@ -246,6 +252,10 @@ static inline bool kvmppc_has_cap_fixup_hcalls(void)
abort(); abort();
} }
static inline int kvmppc_enable_hwrng(void)
{
return -1;
}
#endif #endif
#ifndef CONFIG_KVM #ifndef CONFIG_KVM