2 * QEMU PowerPC pSeries Logical Partition (aka sPAPR) hardware System Emulator
4 * Copyright (c) 2004-2007 Fabrice Bellard
5 * Copyright (c) 2007 Jocelyn Mayer
6 * Copyright (c) 2010 David Gibson, IBM Corporation.
8 * Permission is hereby granted, free of charge, to any person obtaining a copy
9 * of this software and associated documentation files (the "Software"), to deal
10 * in the Software without restriction, including without limitation the rights
11 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
12 * copies of the Software, and to permit persons to whom the Software is
13 * furnished to do so, subject to the following conditions:
15 * The above copyright notice and this permission notice shall be included in
16 * all copies or substantial portions of the Software.
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
21 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
22 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
23 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
27 #include "sysemu/sysemu.h"
29 #include "hw/fw-path-provider.h"
32 #include "sysemu/blockdev.h"
33 #include "sysemu/cpus.h"
34 #include "sysemu/kvm.h"
36 #include "mmu-hash64.h"
39 #include "hw/boards.h"
40 #include "hw/ppc/ppc.h"
41 #include "hw/loader.h"
43 #include "hw/ppc/spapr.h"
44 #include "hw/ppc/spapr_vio.h"
45 #include "hw/pci-host/spapr.h"
46 #include "hw/ppc/xics.h"
47 #include "hw/pci/msi.h"
49 #include "hw/pci/pci.h"
50 #include "hw/scsi/scsi.h"
51 #include "hw/virtio/virtio-scsi.h"
53 #include "exec/address-spaces.h"
55 #include "qemu/config-file.h"
56 #include "qemu/error-report.h"
62 /* SLOF memory layout:
64 * SLOF raw image loaded at 0, copies its romfs right below the flat
65 * device-tree, then position SLOF itself 31M below that
67 * So we set FW_OVERHEAD to 40MB which should account for all of that
70 * We load our kernel at 4M, leaving space for SLOF initial image
72 #define FDT_MAX_SIZE 0x40000
73 #define RTAS_MAX_SIZE 0x10000
74 #define FW_MAX_SIZE 0x400000
75 #define FW_FILE_NAME "slof.bin"
76 #define FW_OVERHEAD 0x2800000
77 #define KERNEL_LOAD_ADDR FW_MAX_SIZE
79 #define MIN_RMA_SLOF 128UL
81 #define TIMEBASE_FREQ 512000000ULL
85 #define PHANDLE_XICP 0x00001111
87 #define HTAB_SIZE(spapr) (1ULL << ((spapr)->htab_shift))
89 typedef struct sPAPRMachineState sPAPRMachineState
;
91 #define TYPE_SPAPR_MACHINE "spapr-machine"
92 #define SPAPR_MACHINE(obj) \
93 OBJECT_CHECK(sPAPRMachineState, (obj), TYPE_SPAPR_MACHINE)
98 struct sPAPRMachineState
{
100 MachineState parent_obj
;
106 sPAPREnvironment
*spapr
;
108 static XICSState
*try_create_xics(const char *type
, int nr_servers
,
113 dev
= qdev_create(NULL
, type
);
114 qdev_prop_set_uint32(dev
, "nr_servers", nr_servers
);
115 qdev_prop_set_uint32(dev
, "nr_irqs", nr_irqs
);
116 if (qdev_init(dev
) < 0) {
120 return XICS_COMMON(dev
);
123 static XICSState
*xics_system_init(int nr_servers
, int nr_irqs
)
125 XICSState
*icp
= NULL
;
128 QemuOpts
*machine_opts
= qemu_get_machine_opts();
129 bool irqchip_allowed
= qemu_opt_get_bool(machine_opts
,
130 "kernel_irqchip", true);
131 bool irqchip_required
= qemu_opt_get_bool(machine_opts
,
132 "kernel_irqchip", false);
133 if (irqchip_allowed
) {
134 icp
= try_create_xics(TYPE_KVM_XICS
, nr_servers
, nr_irqs
);
137 if (irqchip_required
&& !icp
) {
138 perror("Failed to create in-kernel XICS\n");
144 icp
= try_create_xics(TYPE_XICS
, nr_servers
, nr_irqs
);
148 perror("Failed to create XICS\n");
155 static int spapr_fixup_cpu_smt_dt(void *fdt
, int offset
, PowerPCCPU
*cpu
,
159 uint32_t servers_prop
[smt_threads
];
160 uint32_t gservers_prop
[smt_threads
* 2];
161 int index
= ppc_get_vcpu_dt_id(cpu
);
163 if (cpu
->cpu_version
) {
164 ret
= fdt_setprop_cell(fdt
, offset
, "cpu-version", cpu
->cpu_version
);
170 /* Build interrupt servers and gservers properties */
171 for (i
= 0; i
< smt_threads
; i
++) {
172 servers_prop
[i
] = cpu_to_be32(index
+ i
);
173 /* Hack, direct the group queues back to cpu 0 */
174 gservers_prop
[i
*2] = cpu_to_be32(index
+ i
);
175 gservers_prop
[i
*2 + 1] = 0;
177 ret
= fdt_setprop(fdt
, offset
, "ibm,ppc-interrupt-server#s",
178 servers_prop
, sizeof(servers_prop
));
182 ret
= fdt_setprop(fdt
, offset
, "ibm,ppc-interrupt-gserver#s",
183 gservers_prop
, sizeof(gservers_prop
));
188 static int spapr_fixup_cpu_dt(void *fdt
, sPAPREnvironment
*spapr
)
190 int ret
= 0, offset
, cpus_offset
;
193 int smt
= kvmppc_smt_threads();
194 uint32_t pft_size_prop
[] = {0, cpu_to_be32(spapr
->htab_shift
)};
197 PowerPCCPU
*cpu
= POWERPC_CPU(cs
);
198 DeviceClass
*dc
= DEVICE_GET_CLASS(cs
);
199 int index
= ppc_get_vcpu_dt_id(cpu
);
200 uint32_t associativity
[] = {cpu_to_be32(0x5),
204 cpu_to_be32(cs
->numa_node
),
207 if ((index
% smt
) != 0) {
211 snprintf(cpu_model
, 32, "%s@%x", dc
->fw_name
, index
);
213 cpus_offset
= fdt_path_offset(fdt
, "/cpus");
214 if (cpus_offset
< 0) {
215 cpus_offset
= fdt_add_subnode(fdt
, fdt_path_offset(fdt
, "/"),
217 if (cpus_offset
< 0) {
221 offset
= fdt_subnode_offset(fdt
, cpus_offset
, cpu_model
);
223 offset
= fdt_add_subnode(fdt
, cpus_offset
, cpu_model
);
229 if (nb_numa_nodes
> 1) {
230 ret
= fdt_setprop(fdt
, offset
, "ibm,associativity", associativity
,
231 sizeof(associativity
));
237 ret
= fdt_setprop(fdt
, offset
, "ibm,pft-size",
238 pft_size_prop
, sizeof(pft_size_prop
));
243 ret
= spapr_fixup_cpu_smt_dt(fdt
, offset
, cpu
,
244 ppc_get_compat_smt_threads(cpu
));
253 static size_t create_page_sizes_prop(CPUPPCState
*env
, uint32_t *prop
,
256 size_t maxcells
= maxsize
/ sizeof(uint32_t);
260 for (i
= 0; i
< PPC_PAGE_SIZES_MAX_SZ
; i
++) {
261 struct ppc_one_seg_page_size
*sps
= &env
->sps
.sps
[i
];
263 if (!sps
->page_shift
) {
266 for (count
= 0; count
< PPC_PAGE_SIZES_MAX_SZ
; count
++) {
267 if (sps
->enc
[count
].page_shift
== 0) {
271 if ((p
- prop
) >= (maxcells
- 3 - count
* 2)) {
274 *(p
++) = cpu_to_be32(sps
->page_shift
);
275 *(p
++) = cpu_to_be32(sps
->slb_enc
);
276 *(p
++) = cpu_to_be32(count
);
277 for (j
= 0; j
< count
; j
++) {
278 *(p
++) = cpu_to_be32(sps
->enc
[j
].page_shift
);
279 *(p
++) = cpu_to_be32(sps
->enc
[j
].pte_enc
);
283 return (p
- prop
) * sizeof(uint32_t);
290 fprintf(stderr, "qemu: error creating device tree: %s: %s\n", \
291 #exp, fdt_strerror(ret)); \
296 static void add_str(GString
*s
, const gchar
*s1
)
298 g_string_append_len(s
, s1
, strlen(s1
) + 1);
301 static void *spapr_create_fdt_skel(hwaddr initrd_base
,
305 const char *boot_device
,
306 const char *kernel_cmdline
,
311 uint32_t start_prop
= cpu_to_be32(initrd_base
);
312 uint32_t end_prop
= cpu_to_be32(initrd_base
+ initrd_size
);
313 GString
*hypertas
= g_string_sized_new(256);
314 GString
*qemu_hypertas
= g_string_sized_new(256);
315 uint32_t refpoints
[] = {cpu_to_be32(0x4), cpu_to_be32(0x4)};
316 uint32_t interrupt_server_ranges_prop
[] = {0, cpu_to_be32(smp_cpus
)};
317 int smt
= kvmppc_smt_threads();
318 unsigned char vec5
[] = {0x0, 0x0, 0x0, 0x0, 0x0, 0x80};
319 QemuOpts
*opts
= qemu_opts_find(qemu_find_opts("smp-opts"), NULL
);
320 unsigned sockets
= opts
? qemu_opt_get_number(opts
, "sockets", 0) : 0;
321 uint32_t cpus_per_socket
= sockets
? (smp_cpus
/ sockets
) : 1;
324 add_str(hypertas
, "hcall-pft");
325 add_str(hypertas
, "hcall-term");
326 add_str(hypertas
, "hcall-dabr");
327 add_str(hypertas
, "hcall-interrupt");
328 add_str(hypertas
, "hcall-tce");
329 add_str(hypertas
, "hcall-vio");
330 add_str(hypertas
, "hcall-splpar");
331 add_str(hypertas
, "hcall-bulk");
332 add_str(hypertas
, "hcall-set-mode");
333 add_str(qemu_hypertas
, "hcall-memop1");
335 fdt
= g_malloc0(FDT_MAX_SIZE
);
336 _FDT((fdt_create(fdt
, FDT_MAX_SIZE
)));
339 _FDT((fdt_add_reservemap_entry(fdt
, KERNEL_LOAD_ADDR
, kernel_size
)));
342 _FDT((fdt_add_reservemap_entry(fdt
, initrd_base
, initrd_size
)));
344 _FDT((fdt_finish_reservemap(fdt
)));
347 _FDT((fdt_begin_node(fdt
, "")));
348 _FDT((fdt_property_string(fdt
, "device_type", "chrp")));
349 _FDT((fdt_property_string(fdt
, "model", "IBM pSeries (emulated by qemu)")));
350 _FDT((fdt_property_string(fdt
, "compatible", "qemu,pseries")));
353 _FDT((fdt_property_string(fdt
, "hypervisor", "kvm")));
357 * Add info to guest to indentify which host is it being run on
358 * and what is the uuid of the guest
360 if (kvmppc_get_host_model(&buf
)) {
361 _FDT((fdt_property_string(fdt
, "host-model", buf
)));
364 if (kvmppc_get_host_serial(&buf
)) {
365 _FDT((fdt_property_string(fdt
, "host-serial", buf
)));
369 buf
= g_strdup_printf(UUID_FMT
, qemu_uuid
[0], qemu_uuid
[1],
370 qemu_uuid
[2], qemu_uuid
[3], qemu_uuid
[4],
371 qemu_uuid
[5], qemu_uuid
[6], qemu_uuid
[7],
372 qemu_uuid
[8], qemu_uuid
[9], qemu_uuid
[10],
373 qemu_uuid
[11], qemu_uuid
[12], qemu_uuid
[13],
374 qemu_uuid
[14], qemu_uuid
[15]);
376 _FDT((fdt_property_string(fdt
, "vm,uuid", buf
)));
379 _FDT((fdt_property_cell(fdt
, "#address-cells", 0x2)));
380 _FDT((fdt_property_cell(fdt
, "#size-cells", 0x2)));
383 _FDT((fdt_begin_node(fdt
, "chosen")));
385 /* Set Form1_affinity */
386 _FDT((fdt_property(fdt
, "ibm,architecture-vec-5", vec5
, sizeof(vec5
))));
388 _FDT((fdt_property_string(fdt
, "bootargs", kernel_cmdline
)));
389 _FDT((fdt_property(fdt
, "linux,initrd-start",
390 &start_prop
, sizeof(start_prop
))));
391 _FDT((fdt_property(fdt
, "linux,initrd-end",
392 &end_prop
, sizeof(end_prop
))));
394 uint64_t kprop
[2] = { cpu_to_be64(KERNEL_LOAD_ADDR
),
395 cpu_to_be64(kernel_size
) };
397 _FDT((fdt_property(fdt
, "qemu,boot-kernel", &kprop
, sizeof(kprop
))));
399 _FDT((fdt_property(fdt
, "qemu,boot-kernel-le", NULL
, 0)));
403 _FDT((fdt_property_string(fdt
, "qemu,boot-device", boot_device
)));
406 _FDT((fdt_property_cell(fdt
, "qemu,boot-menu", boot_menu
)));
408 _FDT((fdt_property_cell(fdt
, "qemu,graphic-width", graphic_width
)));
409 _FDT((fdt_property_cell(fdt
, "qemu,graphic-height", graphic_height
)));
410 _FDT((fdt_property_cell(fdt
, "qemu,graphic-depth", graphic_depth
)));
412 _FDT((fdt_end_node(fdt
)));
415 _FDT((fdt_begin_node(fdt
, "cpus")));
417 _FDT((fdt_property_cell(fdt
, "#address-cells", 0x1)));
418 _FDT((fdt_property_cell(fdt
, "#size-cells", 0x0)));
421 PowerPCCPU
*cpu
= POWERPC_CPU(cs
);
422 CPUPPCState
*env
= &cpu
->env
;
423 DeviceClass
*dc
= DEVICE_GET_CLASS(cs
);
424 PowerPCCPUClass
*pcc
= POWERPC_CPU_GET_CLASS(cs
);
425 int index
= ppc_get_vcpu_dt_id(cpu
);
427 uint32_t segs
[] = {cpu_to_be32(28), cpu_to_be32(40),
428 0xffffffff, 0xffffffff};
429 uint32_t tbfreq
= kvm_enabled() ? kvmppc_get_tbfreq() : TIMEBASE_FREQ
;
430 uint32_t cpufreq
= kvm_enabled() ? kvmppc_get_clockfreq() : 1000000000;
431 uint32_t page_sizes_prop
[64];
432 size_t page_sizes_prop_size
;
434 if ((index
% smt
) != 0) {
438 nodename
= g_strdup_printf("%s@%x", dc
->fw_name
, index
);
440 _FDT((fdt_begin_node(fdt
, nodename
)));
444 _FDT((fdt_property_cell(fdt
, "reg", index
)));
445 _FDT((fdt_property_string(fdt
, "device_type", "cpu")));
447 _FDT((fdt_property_cell(fdt
, "cpu-version", env
->spr
[SPR_PVR
])));
448 _FDT((fdt_property_cell(fdt
, "d-cache-block-size",
449 env
->dcache_line_size
)));
450 _FDT((fdt_property_cell(fdt
, "d-cache-line-size",
451 env
->dcache_line_size
)));
452 _FDT((fdt_property_cell(fdt
, "i-cache-block-size",
453 env
->icache_line_size
)));
454 _FDT((fdt_property_cell(fdt
, "i-cache-line-size",
455 env
->icache_line_size
)));
457 if (pcc
->l1_dcache_size
) {
458 _FDT((fdt_property_cell(fdt
, "d-cache-size", pcc
->l1_dcache_size
)));
460 fprintf(stderr
, "Warning: Unknown L1 dcache size for cpu\n");
462 if (pcc
->l1_icache_size
) {
463 _FDT((fdt_property_cell(fdt
, "i-cache-size", pcc
->l1_icache_size
)));
465 fprintf(stderr
, "Warning: Unknown L1 icache size for cpu\n");
468 _FDT((fdt_property_cell(fdt
, "timebase-frequency", tbfreq
)));
469 _FDT((fdt_property_cell(fdt
, "clock-frequency", cpufreq
)));
470 _FDT((fdt_property_cell(fdt
, "ibm,slb-size", env
->slb_nr
)));
471 _FDT((fdt_property_string(fdt
, "status", "okay")));
472 _FDT((fdt_property(fdt
, "64-bit", NULL
, 0)));
474 if (env
->spr_cb
[SPR_PURR
].oea_read
) {
475 _FDT((fdt_property(fdt
, "ibm,purr", NULL
, 0)));
478 if (env
->mmu_model
& POWERPC_MMU_1TSEG
) {
479 _FDT((fdt_property(fdt
, "ibm,processor-segment-sizes",
480 segs
, sizeof(segs
))));
483 /* Advertise VMX/VSX (vector extensions) if available
484 * 0 / no property == no vector extensions
485 * 1 == VMX / Altivec available
486 * 2 == VSX available */
487 if (env
->insns_flags
& PPC_ALTIVEC
) {
488 uint32_t vmx
= (env
->insns_flags2
& PPC2_VSX
) ? 2 : 1;
490 _FDT((fdt_property_cell(fdt
, "ibm,vmx", vmx
)));
493 /* Advertise DFP (Decimal Floating Point) if available
494 * 0 / no property == no DFP
495 * 1 == DFP available */
496 if (env
->insns_flags2
& PPC2_DFP
) {
497 _FDT((fdt_property_cell(fdt
, "ibm,dfp", 1)));
500 page_sizes_prop_size
= create_page_sizes_prop(env
, page_sizes_prop
,
501 sizeof(page_sizes_prop
));
502 if (page_sizes_prop_size
) {
503 _FDT((fdt_property(fdt
, "ibm,segment-page-sizes",
504 page_sizes_prop
, page_sizes_prop_size
)));
507 _FDT((fdt_property_cell(fdt
, "ibm,chip-id",
508 cs
->cpu_index
/ cpus_per_socket
)));
510 _FDT((fdt_end_node(fdt
)));
513 _FDT((fdt_end_node(fdt
)));
516 _FDT((fdt_begin_node(fdt
, "rtas")));
518 if (!kvm_enabled() || kvmppc_spapr_use_multitce()) {
519 add_str(hypertas
, "hcall-multi-tce");
521 _FDT((fdt_property(fdt
, "ibm,hypertas-functions", hypertas
->str
,
523 g_string_free(hypertas
, TRUE
);
524 _FDT((fdt_property(fdt
, "qemu,hypertas-functions", qemu_hypertas
->str
,
525 qemu_hypertas
->len
)));
526 g_string_free(qemu_hypertas
, TRUE
);
528 _FDT((fdt_property(fdt
, "ibm,associativity-reference-points",
529 refpoints
, sizeof(refpoints
))));
531 _FDT((fdt_property_cell(fdt
, "rtas-error-log-max", RTAS_ERROR_LOG_MAX
)));
534 * According to PAPR, rtas ibm,os-term, does not gaurantee a return
535 * back to the guest cpu.
537 * While an additional ibm,extended-os-term property indicates that
538 * rtas call return will always occur. Set this property.
540 _FDT((fdt_property(fdt
, "ibm,extended-os-term", NULL
, 0)));
542 _FDT((fdt_end_node(fdt
)));
544 /* interrupt controller */
545 _FDT((fdt_begin_node(fdt
, "interrupt-controller")));
547 _FDT((fdt_property_string(fdt
, "device_type",
548 "PowerPC-External-Interrupt-Presentation")));
549 _FDT((fdt_property_string(fdt
, "compatible", "IBM,ppc-xicp")));
550 _FDT((fdt_property(fdt
, "interrupt-controller", NULL
, 0)));
551 _FDT((fdt_property(fdt
, "ibm,interrupt-server-ranges",
552 interrupt_server_ranges_prop
,
553 sizeof(interrupt_server_ranges_prop
))));
554 _FDT((fdt_property_cell(fdt
, "#interrupt-cells", 2)));
555 _FDT((fdt_property_cell(fdt
, "linux,phandle", PHANDLE_XICP
)));
556 _FDT((fdt_property_cell(fdt
, "phandle", PHANDLE_XICP
)));
558 _FDT((fdt_end_node(fdt
)));
561 _FDT((fdt_begin_node(fdt
, "vdevice")));
563 _FDT((fdt_property_string(fdt
, "device_type", "vdevice")));
564 _FDT((fdt_property_string(fdt
, "compatible", "IBM,vdevice")));
565 _FDT((fdt_property_cell(fdt
, "#address-cells", 0x1)));
566 _FDT((fdt_property_cell(fdt
, "#size-cells", 0x0)));
567 _FDT((fdt_property_cell(fdt
, "#interrupt-cells", 0x2)));
568 _FDT((fdt_property(fdt
, "interrupt-controller", NULL
, 0)));
570 _FDT((fdt_end_node(fdt
)));
573 spapr_events_fdt_skel(fdt
, epow_irq
);
575 /* /hypervisor node */
577 uint8_t hypercall
[16];
579 /* indicate KVM hypercall interface */
580 _FDT((fdt_begin_node(fdt
, "hypervisor")));
581 _FDT((fdt_property_string(fdt
, "compatible", "linux,kvm")));
582 if (kvmppc_has_cap_fixup_hcalls()) {
584 * Older KVM versions with older guest kernels were broken with the
585 * magic page, don't allow the guest to map it.
587 kvmppc_get_hypercall(first_cpu
->env_ptr
, hypercall
,
589 _FDT((fdt_property(fdt
, "hcall-instructions", hypercall
,
590 sizeof(hypercall
))));
592 _FDT((fdt_end_node(fdt
)));
595 _FDT((fdt_end_node(fdt
))); /* close root node */
596 _FDT((fdt_finish(fdt
)));
601 int spapr_h_cas_compose_response(target_ulong addr
, target_ulong size
)
603 void *fdt
, *fdt_skel
;
604 sPAPRDeviceTreeUpdateHeader hdr
= { .version_id
= 1 };
608 /* Create sceleton */
609 fdt_skel
= g_malloc0(size
);
610 _FDT((fdt_create(fdt_skel
, size
)));
611 _FDT((fdt_begin_node(fdt_skel
, "")));
612 _FDT((fdt_end_node(fdt_skel
)));
613 _FDT((fdt_finish(fdt_skel
)));
614 fdt
= g_malloc0(size
);
615 _FDT((fdt_open_into(fdt_skel
, fdt
, size
)));
618 /* Fix skeleton up */
619 _FDT((spapr_fixup_cpu_dt(fdt
, spapr
)));
621 /* Pack resulting tree */
622 _FDT((fdt_pack(fdt
)));
624 if (fdt_totalsize(fdt
) + sizeof(hdr
) > size
) {
625 trace_spapr_cas_failed(size
);
629 cpu_physical_memory_write(addr
, &hdr
, sizeof(hdr
));
630 cpu_physical_memory_write(addr
+ sizeof(hdr
), fdt
, fdt_totalsize(fdt
));
631 trace_spapr_cas_continue(fdt_totalsize(fdt
) + sizeof(hdr
));
637 static void spapr_populate_memory_node(void *fdt
, int nodeid
, hwaddr start
,
640 uint32_t associativity
[] = {
641 cpu_to_be32(0x4), /* length */
642 cpu_to_be32(0x0), cpu_to_be32(0x0),
643 cpu_to_be32(nodeid
), cpu_to_be32(nodeid
)
646 uint64_t mem_reg_property
[2];
649 mem_reg_property
[0] = cpu_to_be64(start
);
650 mem_reg_property
[1] = cpu_to_be64(size
);
652 sprintf(mem_name
, "memory@" TARGET_FMT_lx
, start
);
653 off
= fdt_add_subnode(fdt
, 0, mem_name
);
655 _FDT((fdt_setprop_string(fdt
, off
, "device_type", "memory")));
656 _FDT((fdt_setprop(fdt
, off
, "reg", mem_reg_property
,
657 sizeof(mem_reg_property
))));
658 _FDT((fdt_setprop(fdt
, off
, "ibm,associativity", associativity
,
659 sizeof(associativity
))));
662 static int spapr_populate_memory(sPAPREnvironment
*spapr
, void *fdt
)
664 hwaddr node0_size
, mem_start
, node_size
;
668 if (nb_numa_nodes
> 1 && numa_info
[0].node_mem
< ram_size
) {
669 node0_size
= numa_info
[0].node_mem
;
671 node0_size
= ram_size
;
675 spapr_populate_memory_node(fdt
, 0, 0, spapr
->rma_size
);
678 if (node0_size
> spapr
->rma_size
) {
679 spapr_populate_memory_node(fdt
, 0, spapr
->rma_size
,
680 node0_size
- spapr
->rma_size
);
683 /* RAM: Node 1 and beyond */
684 mem_start
= node0_size
;
685 for (i
= 1; i
< nb_numa_nodes
; i
++) {
686 if (mem_start
>= ram_size
) {
689 node_size
= numa_info
[i
].node_mem
;
690 if (node_size
> ram_size
- mem_start
) {
691 node_size
= ram_size
- mem_start
;
694 spapr_populate_memory_node(fdt
, i
, mem_start
, node_size
);
695 mem_start
+= node_size
;
701 static void spapr_finalize_fdt(sPAPREnvironment
*spapr
,
712 fdt
= g_malloc(FDT_MAX_SIZE
);
714 /* open out the base tree into a temp buffer for the final tweaks */
715 _FDT((fdt_open_into(spapr
->fdt_skel
, fdt
, FDT_MAX_SIZE
)));
717 ret
= spapr_populate_memory(spapr
, fdt
);
719 fprintf(stderr
, "couldn't setup memory nodes in fdt\n");
723 ret
= spapr_populate_vdevice(spapr
->vio_bus
, fdt
);
725 fprintf(stderr
, "couldn't setup vio devices in fdt\n");
729 QLIST_FOREACH(phb
, &spapr
->phbs
, list
) {
730 ret
= spapr_populate_pci_dt(phb
, PHANDLE_XICP
, fdt
);
734 fprintf(stderr
, "couldn't setup PCI devices in fdt\n");
739 ret
= spapr_rtas_device_tree_setup(fdt
, rtas_addr
, rtas_size
);
741 fprintf(stderr
, "Couldn't set up RTAS device tree properties\n");
744 /* Advertise NUMA via ibm,associativity */
745 ret
= spapr_fixup_cpu_dt(fdt
, spapr
);
747 fprintf(stderr
, "Couldn't finalize CPU device tree properties\n");
750 bootlist
= get_boot_devices_list(&cb
, true);
751 if (cb
&& bootlist
) {
752 int offset
= fdt_path_offset(fdt
, "/chosen");
756 for (i
= 0; i
< cb
; i
++) {
757 if (bootlist
[i
] == '\n') {
762 ret
= fdt_setprop_string(fdt
, offset
, "qemu,boot-list", bootlist
);
765 if (!spapr
->has_graphics
) {
766 spapr_populate_chosen_stdout(fdt
, spapr
->vio_bus
);
769 _FDT((fdt_pack(fdt
)));
771 if (fdt_totalsize(fdt
) > FDT_MAX_SIZE
) {
772 hw_error("FDT too big ! 0x%x bytes (max is 0x%x)\n",
773 fdt_totalsize(fdt
), FDT_MAX_SIZE
);
777 cpu_physical_memory_write(fdt_addr
, fdt
, fdt_totalsize(fdt
));
783 static uint64_t translate_kernel_address(void *opaque
, uint64_t addr
)
785 return (addr
& 0x0fffffff) + KERNEL_LOAD_ADDR
;
788 static void emulate_spapr_hypercall(PowerPCCPU
*cpu
)
790 CPUPPCState
*env
= &cpu
->env
;
793 hcall_dprintf("Hypercall made with MSR[PR]=1\n");
794 env
->gpr
[3] = H_PRIVILEGE
;
796 env
->gpr
[3] = spapr_hypercall(cpu
, env
->gpr
[3], &env
->gpr
[4]);
800 static void spapr_reset_htab(sPAPREnvironment
*spapr
)
804 /* allocate hash page table. For now we always make this 16mb,
805 * later we should probably make it scale to the size of guest
808 shift
= kvmppc_reset_htab(spapr
->htab_shift
);
811 /* Kernel handles htab, we don't need to allocate one */
812 spapr
->htab_shift
= shift
;
813 kvmppc_kern_htab
= true;
816 /* Allocate an htab if we don't yet have one */
817 spapr
->htab
= qemu_memalign(HTAB_SIZE(spapr
), HTAB_SIZE(spapr
));
821 memset(spapr
->htab
, 0, HTAB_SIZE(spapr
));
824 /* Update the RMA size if necessary */
825 if (spapr
->vrma_adjust
) {
826 hwaddr node0_size
= (nb_numa_nodes
> 1) ?
827 numa_info
[0].node_mem
: ram_size
;
828 spapr
->rma_size
= kvmppc_rma_size(node0_size
, spapr
->htab_shift
);
832 static void ppc_spapr_reset(void)
834 PowerPCCPU
*first_ppc_cpu
;
836 /* Reset the hash table & recalc the RMA */
837 spapr_reset_htab(spapr
);
839 qemu_devices_reset();
842 spapr_finalize_fdt(spapr
, spapr
->fdt_addr
, spapr
->rtas_addr
,
845 /* Set up the entry state */
846 first_ppc_cpu
= POWERPC_CPU(first_cpu
);
847 first_ppc_cpu
->env
.gpr
[3] = spapr
->fdt_addr
;
848 first_ppc_cpu
->env
.gpr
[5] = 0;
849 first_cpu
->halted
= 0;
850 first_ppc_cpu
->env
.nip
= spapr
->entry_point
;
854 static void spapr_cpu_reset(void *opaque
)
856 PowerPCCPU
*cpu
= opaque
;
857 CPUState
*cs
= CPU(cpu
);
858 CPUPPCState
*env
= &cpu
->env
;
862 /* All CPUs start halted. CPU0 is unhalted from the machine level
863 * reset code and the rest are explicitly started up by the guest
864 * using an RTAS call */
867 env
->spr
[SPR_HIOR
] = 0;
869 env
->external_htab
= (uint8_t *)spapr
->htab
;
870 if (kvm_enabled() && !env
->external_htab
) {
872 * HV KVM, set external_htab to 1 so our ppc_hash64_load_hpte*
873 * functions do the right thing.
875 env
->external_htab
= (void *)1;
879 * htab_mask is the mask used to normalize hash value to PTEG index.
880 * htab_shift is log2 of hash table size.
881 * We have 8 hpte per group, and each hpte is 16 bytes.
882 * ie have 128 bytes per hpte entry.
884 env
->htab_mask
= (1ULL << ((spapr
)->htab_shift
- 7)) - 1;
885 env
->spr
[SPR_SDR1
] = (target_ulong
)(uintptr_t)spapr
->htab
|
886 (spapr
->htab_shift
- 18);
889 static void spapr_create_nvram(sPAPREnvironment
*spapr
)
891 DeviceState
*dev
= qdev_create(&spapr
->vio_bus
->bus
, "spapr-nvram");
892 DriveInfo
*dinfo
= drive_get(IF_PFLASH
, 0, 0);
895 qdev_prop_set_drive_nofail(dev
, "drive", dinfo
->bdrv
);
898 qdev_init_nofail(dev
);
900 spapr
->nvram
= (struct sPAPRNVRAM
*)dev
;
903 /* Returns whether we want to use VGA or not */
904 static int spapr_vga_init(PCIBus
*pci_bus
)
906 switch (vga_interface_type
) {
912 return pci_vga_init(pci_bus
) != NULL
;
914 fprintf(stderr
, "This vga model is not supported,"
915 "currently it only supports -vga std\n");
920 static const VMStateDescription vmstate_spapr
= {
923 .minimum_version_id
= 1,
924 .fields
= (VMStateField
[]) {
925 VMSTATE_UNUSED(4), /* used to be @next_irq */
928 VMSTATE_UINT64(rtc_offset
, sPAPREnvironment
),
929 VMSTATE_PPC_TIMEBASE_V(tb
, sPAPREnvironment
, 2),
930 VMSTATE_END_OF_LIST()
934 #define HPTE(_table, _i) (void *)(((uint64_t *)(_table)) + ((_i) * 2))
935 #define HPTE_VALID(_hpte) (tswap64(*((uint64_t *)(_hpte))) & HPTE64_V_VALID)
936 #define HPTE_DIRTY(_hpte) (tswap64(*((uint64_t *)(_hpte))) & HPTE64_V_HPTE_DIRTY)
937 #define CLEAN_HPTE(_hpte) ((*(uint64_t *)(_hpte)) &= tswap64(~HPTE64_V_HPTE_DIRTY))
939 static int htab_save_setup(QEMUFile
*f
, void *opaque
)
941 sPAPREnvironment
*spapr
= opaque
;
943 /* "Iteration" header */
944 qemu_put_be32(f
, spapr
->htab_shift
);
947 spapr
->htab_save_index
= 0;
948 spapr
->htab_first_pass
= true;
950 assert(kvm_enabled());
952 spapr
->htab_fd
= kvmppc_get_htab_fd(false);
953 if (spapr
->htab_fd
< 0) {
954 fprintf(stderr
, "Unable to open fd for reading hash table from KVM: %s\n",
964 static void htab_save_first_pass(QEMUFile
*f
, sPAPREnvironment
*spapr
,
967 int htabslots
= HTAB_SIZE(spapr
) / HASH_PTE_SIZE_64
;
968 int index
= spapr
->htab_save_index
;
969 int64_t starttime
= qemu_clock_get_ns(QEMU_CLOCK_REALTIME
);
971 assert(spapr
->htab_first_pass
);
976 /* Consume invalid HPTEs */
977 while ((index
< htabslots
)
978 && !HPTE_VALID(HPTE(spapr
->htab
, index
))) {
980 CLEAN_HPTE(HPTE(spapr
->htab
, index
));
983 /* Consume valid HPTEs */
985 while ((index
< htabslots
)
986 && HPTE_VALID(HPTE(spapr
->htab
, index
))) {
988 CLEAN_HPTE(HPTE(spapr
->htab
, index
));
991 if (index
> chunkstart
) {
992 int n_valid
= index
- chunkstart
;
994 qemu_put_be32(f
, chunkstart
);
995 qemu_put_be16(f
, n_valid
);
997 qemu_put_buffer(f
, HPTE(spapr
->htab
, chunkstart
),
998 HASH_PTE_SIZE_64
* n_valid
);
1000 if ((qemu_clock_get_ns(QEMU_CLOCK_REALTIME
) - starttime
) > max_ns
) {
1004 } while ((index
< htabslots
) && !qemu_file_rate_limit(f
));
1006 if (index
>= htabslots
) {
1007 assert(index
== htabslots
);
1009 spapr
->htab_first_pass
= false;
1011 spapr
->htab_save_index
= index
;
1014 static int htab_save_later_pass(QEMUFile
*f
, sPAPREnvironment
*spapr
,
1017 bool final
= max_ns
< 0;
1018 int htabslots
= HTAB_SIZE(spapr
) / HASH_PTE_SIZE_64
;
1019 int examined
= 0, sent
= 0;
1020 int index
= spapr
->htab_save_index
;
1021 int64_t starttime
= qemu_clock_get_ns(QEMU_CLOCK_REALTIME
);
1023 assert(!spapr
->htab_first_pass
);
1026 int chunkstart
, invalidstart
;
1028 /* Consume non-dirty HPTEs */
1029 while ((index
< htabslots
)
1030 && !HPTE_DIRTY(HPTE(spapr
->htab
, index
))) {
1036 /* Consume valid dirty HPTEs */
1037 while ((index
< htabslots
)
1038 && HPTE_DIRTY(HPTE(spapr
->htab
, index
))
1039 && HPTE_VALID(HPTE(spapr
->htab
, index
))) {
1040 CLEAN_HPTE(HPTE(spapr
->htab
, index
));
1045 invalidstart
= index
;
1046 /* Consume invalid dirty HPTEs */
1047 while ((index
< htabslots
)
1048 && HPTE_DIRTY(HPTE(spapr
->htab
, index
))
1049 && !HPTE_VALID(HPTE(spapr
->htab
, index
))) {
1050 CLEAN_HPTE(HPTE(spapr
->htab
, index
));
1055 if (index
> chunkstart
) {
1056 int n_valid
= invalidstart
- chunkstart
;
1057 int n_invalid
= index
- invalidstart
;
1059 qemu_put_be32(f
, chunkstart
);
1060 qemu_put_be16(f
, n_valid
);
1061 qemu_put_be16(f
, n_invalid
);
1062 qemu_put_buffer(f
, HPTE(spapr
->htab
, chunkstart
),
1063 HASH_PTE_SIZE_64
* n_valid
);
1064 sent
+= index
- chunkstart
;
1066 if (!final
&& (qemu_clock_get_ns(QEMU_CLOCK_REALTIME
) - starttime
) > max_ns
) {
1071 if (examined
>= htabslots
) {
1075 if (index
>= htabslots
) {
1076 assert(index
== htabslots
);
1079 } while ((examined
< htabslots
) && (!qemu_file_rate_limit(f
) || final
));
1081 if (index
>= htabslots
) {
1082 assert(index
== htabslots
);
1086 spapr
->htab_save_index
= index
;
1088 return (examined
>= htabslots
) && (sent
== 0) ? 1 : 0;
1091 #define MAX_ITERATION_NS 5000000 /* 5 ms */
1092 #define MAX_KVM_BUF_SIZE 2048
1094 static int htab_save_iterate(QEMUFile
*f
, void *opaque
)
1096 sPAPREnvironment
*spapr
= opaque
;
1099 /* Iteration header */
1100 qemu_put_be32(f
, 0);
1103 assert(kvm_enabled());
1105 rc
= kvmppc_save_htab(f
, spapr
->htab_fd
,
1106 MAX_KVM_BUF_SIZE
, MAX_ITERATION_NS
);
1110 } else if (spapr
->htab_first_pass
) {
1111 htab_save_first_pass(f
, spapr
, MAX_ITERATION_NS
);
1113 rc
= htab_save_later_pass(f
, spapr
, MAX_ITERATION_NS
);
1117 qemu_put_be32(f
, 0);
1118 qemu_put_be16(f
, 0);
1119 qemu_put_be16(f
, 0);
1124 static int htab_save_complete(QEMUFile
*f
, void *opaque
)
1126 sPAPREnvironment
*spapr
= opaque
;
1128 /* Iteration header */
1129 qemu_put_be32(f
, 0);
1134 assert(kvm_enabled());
1136 rc
= kvmppc_save_htab(f
, spapr
->htab_fd
, MAX_KVM_BUF_SIZE
, -1);
1140 close(spapr
->htab_fd
);
1141 spapr
->htab_fd
= -1;
1143 htab_save_later_pass(f
, spapr
, -1);
1147 qemu_put_be32(f
, 0);
1148 qemu_put_be16(f
, 0);
1149 qemu_put_be16(f
, 0);
1154 static int htab_load(QEMUFile
*f
, void *opaque
, int version_id
)
1156 sPAPREnvironment
*spapr
= opaque
;
1157 uint32_t section_hdr
;
1160 if (version_id
< 1 || version_id
> 1) {
1161 fprintf(stderr
, "htab_load() bad version\n");
1165 section_hdr
= qemu_get_be32(f
);
1168 /* First section, just the hash shift */
1169 if (spapr
->htab_shift
!= section_hdr
) {
1176 assert(kvm_enabled());
1178 fd
= kvmppc_get_htab_fd(true);
1180 fprintf(stderr
, "Unable to open fd to restore KVM hash table: %s\n",
1187 uint16_t n_valid
, n_invalid
;
1189 index
= qemu_get_be32(f
);
1190 n_valid
= qemu_get_be16(f
);
1191 n_invalid
= qemu_get_be16(f
);
1193 if ((index
== 0) && (n_valid
== 0) && (n_invalid
== 0)) {
1198 if ((index
+ n_valid
+ n_invalid
) >
1199 (HTAB_SIZE(spapr
) / HASH_PTE_SIZE_64
)) {
1200 /* Bad index in stream */
1201 fprintf(stderr
, "htab_load() bad index %d (%hd+%hd entries) "
1202 "in htab stream (htab_shift=%d)\n", index
, n_valid
, n_invalid
,
1209 qemu_get_buffer(f
, HPTE(spapr
->htab
, index
),
1210 HASH_PTE_SIZE_64
* n_valid
);
1213 memset(HPTE(spapr
->htab
, index
+ n_valid
), 0,
1214 HASH_PTE_SIZE_64
* n_invalid
);
1221 rc
= kvmppc_load_htab_chunk(f
, fd
, index
, n_valid
, n_invalid
);
1236 static SaveVMHandlers savevm_htab_handlers
= {
1237 .save_live_setup
= htab_save_setup
,
1238 .save_live_iterate
= htab_save_iterate
,
1239 .save_live_complete
= htab_save_complete
,
1240 .load_state
= htab_load
,
1243 /* pSeries LPAR / sPAPR hardware init */
1244 static void ppc_spapr_init(MachineState
*machine
)
1246 ram_addr_t ram_size
= machine
->ram_size
;
1247 const char *cpu_model
= machine
->cpu_model
;
1248 const char *kernel_filename
= machine
->kernel_filename
;
1249 const char *kernel_cmdline
= machine
->kernel_cmdline
;
1250 const char *initrd_filename
= machine
->initrd_filename
;
1251 const char *boot_device
= machine
->boot_order
;
1256 MemoryRegion
*sysmem
= get_system_memory();
1257 MemoryRegion
*ram
= g_new(MemoryRegion
, 1);
1258 MemoryRegion
*rma_region
;
1260 hwaddr rma_alloc_size
;
1261 hwaddr node0_size
= (nb_numa_nodes
> 1) ? numa_info
[0].node_mem
: ram_size
;
1262 uint32_t initrd_base
= 0;
1263 long kernel_size
= 0, initrd_size
= 0;
1264 long load_limit
, rtas_limit
, fw_size
;
1265 bool kernel_le
= false;
1268 msi_supported
= true;
1270 spapr
= g_malloc0(sizeof(*spapr
));
1271 QLIST_INIT(&spapr
->phbs
);
1273 cpu_ppc_hypercall
= emulate_spapr_hypercall
;
1275 /* Allocate RMA if necessary */
1276 rma_alloc_size
= kvmppc_alloc_rma(&rma
);
1278 if (rma_alloc_size
== -1) {
1279 hw_error("qemu: Unable to create RMA\n");
1283 if (rma_alloc_size
&& (rma_alloc_size
< node0_size
)) {
1284 spapr
->rma_size
= rma_alloc_size
;
1286 spapr
->rma_size
= node0_size
;
1288 /* With KVM, we don't actually know whether KVM supports an
1289 * unbounded RMA (PR KVM) or is limited by the hash table size
1290 * (HV KVM using VRMA), so we always assume the latter
1292 * In that case, we also limit the initial allocations for RTAS
1293 * etc... to 256M since we have no way to know what the VRMA size
1294 * is going to be as it depends on the size of the hash table
1295 * isn't determined yet.
1297 if (kvm_enabled()) {
1298 spapr
->vrma_adjust
= 1;
1299 spapr
->rma_size
= MIN(spapr
->rma_size
, 0x10000000);
1303 if (spapr
->rma_size
> node0_size
) {
1304 fprintf(stderr
, "Error: Numa node 0 has to span the RMA (%#08"HWADDR_PRIx
")\n",
1309 /* We place the device tree and RTAS just below either the top of the RMA,
1310 * or just below 2GB, whichever is lowere, so that it can be
1311 * processed with 32-bit real mode code if necessary */
1312 rtas_limit
= MIN(spapr
->rma_size
, 0x80000000);
1313 spapr
->rtas_addr
= rtas_limit
- RTAS_MAX_SIZE
;
1314 spapr
->fdt_addr
= spapr
->rtas_addr
- FDT_MAX_SIZE
;
1315 load_limit
= spapr
->fdt_addr
- FW_OVERHEAD
;
1317 /* We aim for a hash table of size 1/128 the size of RAM. The
1318 * normal rule of thumb is 1/64 the size of RAM, but that's much
1319 * more than needed for the Linux guests we support. */
1320 spapr
->htab_shift
= 18; /* Minimum architected size */
1321 while (spapr
->htab_shift
<= 46) {
1322 if ((1ULL << (spapr
->htab_shift
+ 7)) >= ram_size
) {
1325 spapr
->htab_shift
++;
1328 /* Set up Interrupt Controller before we create the VCPUs */
1329 spapr
->icp
= xics_system_init(smp_cpus
* kvmppc_smt_threads() / smp_threads
,
1333 if (cpu_model
== NULL
) {
1334 cpu_model
= kvm_enabled() ? "host" : "POWER7";
1336 for (i
= 0; i
< smp_cpus
; i
++) {
1337 cpu
= cpu_ppc_init(cpu_model
);
1339 fprintf(stderr
, "Unable to find PowerPC CPU definition\n");
1344 /* Set time-base frequency to 512 MHz */
1345 cpu_ppc_tb_init(env
, TIMEBASE_FREQ
);
1347 /* PAPR always has exception vectors in RAM not ROM. To ensure this,
1348 * MSR[IP] should never be set.
1350 env
->msr_mask
&= ~(1 << 6);
1352 /* Tell KVM that we're in PAPR mode */
1353 if (kvm_enabled()) {
1354 kvmppc_set_papr(cpu
);
1357 if (cpu
->max_compat
) {
1358 if (ppc_set_compat(cpu
, cpu
->max_compat
) < 0) {
1363 xics_cpu_setup(spapr
->icp
, cpu
);
1365 qemu_register_reset(spapr_cpu_reset
, cpu
);
1369 spapr
->ram_limit
= ram_size
;
1370 memory_region_allocate_system_memory(ram
, NULL
, "ppc_spapr.ram",
1372 memory_region_add_subregion(sysmem
, 0, ram
);
1374 if (rma_alloc_size
&& rma
) {
1375 rma_region
= g_new(MemoryRegion
, 1);
1376 memory_region_init_ram_ptr(rma_region
, NULL
, "ppc_spapr.rma",
1377 rma_alloc_size
, rma
);
1378 vmstate_register_ram_global(rma_region
);
1379 memory_region_add_subregion(sysmem
, 0, rma_region
);
1382 filename
= qemu_find_file(QEMU_FILE_TYPE_BIOS
, "spapr-rtas.bin");
1383 spapr
->rtas_size
= load_image_targphys(filename
, spapr
->rtas_addr
,
1384 rtas_limit
- spapr
->rtas_addr
);
1385 if (spapr
->rtas_size
< 0) {
1386 hw_error("qemu: could not load LPAR rtas '%s'\n", filename
);
1389 if (spapr
->rtas_size
> RTAS_MAX_SIZE
) {
1390 hw_error("RTAS too big ! 0x%lx bytes (max is 0x%x)\n",
1391 spapr
->rtas_size
, RTAS_MAX_SIZE
);
1396 /* Set up EPOW events infrastructure */
1397 spapr_events_init(spapr
);
1399 /* Set up VIO bus */
1400 spapr
->vio_bus
= spapr_vio_bus_init();
1402 for (i
= 0; i
< MAX_SERIAL_PORTS
; i
++) {
1403 if (serial_hds
[i
]) {
1404 spapr_vty_create(spapr
->vio_bus
, serial_hds
[i
]);
1408 /* We always have at least the nvram device on VIO */
1409 spapr_create_nvram(spapr
);
1412 spapr_pci_msi_init(spapr
, SPAPR_PCI_MSI_WINDOW
);
1413 spapr_pci_rtas_init();
1415 phb
= spapr_create_phb(spapr
, 0);
1417 for (i
= 0; i
< nb_nics
; i
++) {
1418 NICInfo
*nd
= &nd_table
[i
];
1421 nd
->model
= g_strdup("ibmveth");
1424 if (strcmp(nd
->model
, "ibmveth") == 0) {
1425 spapr_vlan_create(spapr
->vio_bus
, nd
);
1427 pci_nic_init_nofail(&nd_table
[i
], phb
->bus
, nd
->model
, NULL
);
1431 for (i
= 0; i
<= drive_get_max_bus(IF_SCSI
); i
++) {
1432 spapr_vscsi_create(spapr
->vio_bus
);
1436 if (spapr_vga_init(phb
->bus
)) {
1437 spapr
->has_graphics
= true;
1440 if (usb_enabled(spapr
->has_graphics
)) {
1441 pci_create_simple(phb
->bus
, -1, "pci-ohci");
1442 if (spapr
->has_graphics
) {
1443 usbdevice_create("keyboard");
1444 usbdevice_create("mouse");
1448 if (spapr
->rma_size
< (MIN_RMA_SLOF
<< 20)) {
1449 fprintf(stderr
, "qemu: pSeries SLOF firmware requires >= "
1450 "%ldM guest RMA (Real Mode Area memory)\n", MIN_RMA_SLOF
);
1454 if (kernel_filename
) {
1455 uint64_t lowaddr
= 0;
1457 kernel_size
= load_elf(kernel_filename
, translate_kernel_address
, NULL
,
1458 NULL
, &lowaddr
, NULL
, 1, ELF_MACHINE
, 0);
1459 if (kernel_size
== ELF_LOAD_WRONG_ENDIAN
) {
1460 kernel_size
= load_elf(kernel_filename
,
1461 translate_kernel_address
, NULL
,
1462 NULL
, &lowaddr
, NULL
, 0, ELF_MACHINE
, 0);
1463 kernel_le
= kernel_size
> 0;
1465 if (kernel_size
< 0) {
1466 fprintf(stderr
, "qemu: error loading %s: %s\n",
1467 kernel_filename
, load_elf_strerror(kernel_size
));
1472 if (initrd_filename
) {
1473 /* Try to locate the initrd in the gap between the kernel
1474 * and the firmware. Add a bit of space just in case
1476 initrd_base
= (KERNEL_LOAD_ADDR
+ kernel_size
+ 0x1ffff) & ~0xffff;
1477 initrd_size
= load_image_targphys(initrd_filename
, initrd_base
,
1478 load_limit
- initrd_base
);
1479 if (initrd_size
< 0) {
1480 fprintf(stderr
, "qemu: could not load initial ram disk '%s'\n",
1490 if (bios_name
== NULL
) {
1491 bios_name
= FW_FILE_NAME
;
1493 filename
= qemu_find_file(QEMU_FILE_TYPE_BIOS
, bios_name
);
1494 fw_size
= load_image_targphys(filename
, 0, FW_MAX_SIZE
);
1496 hw_error("qemu: could not load LPAR rtas '%s'\n", filename
);
1501 spapr
->entry_point
= 0x100;
1503 vmstate_register(NULL
, 0, &vmstate_spapr
, spapr
);
1504 register_savevm_live(NULL
, "spapr/htab", -1, 1,
1505 &savevm_htab_handlers
, spapr
);
1507 /* Prepare the device tree */
1508 spapr
->fdt_skel
= spapr_create_fdt_skel(initrd_base
, initrd_size
,
1509 kernel_size
, kernel_le
,
1510 boot_device
, kernel_cmdline
,
1512 assert(spapr
->fdt_skel
!= NULL
);
1515 static int spapr_kvm_type(const char *vm_type
)
1521 if (!strcmp(vm_type
, "HV")) {
1525 if (!strcmp(vm_type
, "PR")) {
1529 error_report("Unknown kvm-type specified '%s'", vm_type
);
1534 * Implementation of an interface to adjust firmware patch
1535 * for the bootindex property handling.
1537 static char *spapr_get_fw_dev_path(FWPathProvider
*p
, BusState
*bus
,
1540 #define CAST(type, obj, name) \
1541 ((type *)object_dynamic_cast(OBJECT(obj), (name)))
1542 SCSIDevice
*d
= CAST(SCSIDevice
, dev
, TYPE_SCSI_DEVICE
);
1543 sPAPRPHBState
*phb
= CAST(sPAPRPHBState
, dev
, TYPE_SPAPR_PCI_HOST_BRIDGE
);
1546 void *spapr
= CAST(void, bus
->parent
, "spapr-vscsi");
1547 VirtIOSCSI
*virtio
= CAST(VirtIOSCSI
, bus
->parent
, TYPE_VIRTIO_SCSI
);
1548 USBDevice
*usb
= CAST(USBDevice
, bus
->parent
, TYPE_USB_DEVICE
);
1552 * Replace "channel@0/disk@0,0" with "disk@8000000000000000":
1553 * We use SRP luns of the form 8000 | (bus << 8) | (id << 5) | lun
1554 * in the top 16 bits of the 64-bit LUN
1556 unsigned id
= 0x8000 | (d
->id
<< 8) | d
->lun
;
1557 return g_strdup_printf("%s@%"PRIX64
, qdev_fw_name(dev
),
1558 (uint64_t)id
<< 48);
1559 } else if (virtio
) {
1561 * We use SRP luns of the form 01000000 | (target << 8) | lun
1562 * in the top 32 bits of the 64-bit LUN
1563 * Note: the quote above is from SLOF and it is wrong,
1564 * the actual binding is:
1565 * swap 0100 or 10 << or 20 << ( target lun-id -- srplun )
1567 unsigned id
= 0x1000000 | (d
->id
<< 16) | d
->lun
;
1568 return g_strdup_printf("%s@%"PRIX64
, qdev_fw_name(dev
),
1569 (uint64_t)id
<< 32);
1572 * We use SRP luns of the form 01000000 | (usb-port << 16) | lun
1573 * in the top 32 bits of the 64-bit LUN
1575 unsigned usb_port
= atoi(usb
->port
->path
);
1576 unsigned id
= 0x1000000 | (usb_port
<< 16) | d
->lun
;
1577 return g_strdup_printf("%s@%"PRIX64
, qdev_fw_name(dev
),
1578 (uint64_t)id
<< 32);
1583 /* Replace "pci" with "pci@800000020000000" */
1584 return g_strdup_printf("pci@%"PRIX64
, phb
->buid
);
1590 static char *spapr_get_kvm_type(Object
*obj
, Error
**errp
)
1592 sPAPRMachineState
*sm
= SPAPR_MACHINE(obj
);
1594 return g_strdup(sm
->kvm_type
);
1597 static void spapr_set_kvm_type(Object
*obj
, const char *value
, Error
**errp
)
1599 sPAPRMachineState
*sm
= SPAPR_MACHINE(obj
);
1601 g_free(sm
->kvm_type
);
1602 sm
->kvm_type
= g_strdup(value
);
1605 static void spapr_machine_initfn(Object
*obj
)
1607 object_property_add_str(obj
, "kvm-type",
1608 spapr_get_kvm_type
, spapr_set_kvm_type
, NULL
);
1611 static void ppc_cpu_do_nmi_on_cpu(void *arg
)
1615 cpu_synchronize_state(cs
);
1616 ppc_cpu_do_system_reset(cs
);
1619 static void spapr_nmi(NMIState
*n
, int cpu_index
, Error
**errp
)
1624 async_run_on_cpu(cs
, ppc_cpu_do_nmi_on_cpu
, cs
);
1628 static void spapr_machine_class_init(ObjectClass
*oc
, void *data
)
1630 MachineClass
*mc
= MACHINE_CLASS(oc
);
1631 FWPathProviderClass
*fwc
= FW_PATH_PROVIDER_CLASS(oc
);
1632 NMIClass
*nc
= NMI_CLASS(oc
);
1634 mc
->name
= "pseries";
1635 mc
->desc
= "pSeries Logical Partition (PAPR compliant)";
1637 mc
->init
= ppc_spapr_init
;
1638 mc
->reset
= ppc_spapr_reset
;
1639 mc
->block_default_type
= IF_SCSI
;
1640 mc
->max_cpus
= MAX_CPUS
;
1641 mc
->no_parallel
= 1;
1642 mc
->default_boot_order
= NULL
;
1643 mc
->kvm_type
= spapr_kvm_type
;
1645 fwc
->get_dev_path
= spapr_get_fw_dev_path
;
1646 nc
->nmi_monitor_handler
= spapr_nmi
;
1649 static const TypeInfo spapr_machine_info
= {
1650 .name
= TYPE_SPAPR_MACHINE
,
1651 .parent
= TYPE_MACHINE
,
1652 .instance_size
= sizeof(sPAPRMachineState
),
1653 .instance_init
= spapr_machine_initfn
,
1654 .class_init
= spapr_machine_class_init
,
1655 .interfaces
= (InterfaceInfo
[]) {
1656 { TYPE_FW_PATH_PROVIDER
},
1662 static void spapr_machine_2_1_class_init(ObjectClass
*oc
, void *data
)
1664 MachineClass
*mc
= MACHINE_CLASS(oc
);
1666 mc
->name
= "pseries-2.1";
1667 mc
->desc
= "pSeries Logical Partition (PAPR compliant) v2.1";
1671 static const TypeInfo spapr_machine_2_1_info
= {
1672 .name
= TYPE_SPAPR_MACHINE
"2.1",
1673 .parent
= TYPE_SPAPR_MACHINE
,
1674 .class_init
= spapr_machine_2_1_class_init
,
1677 static void spapr_machine_register_types(void)
1679 type_register_static(&spapr_machine_info
);
1680 type_register_static(&spapr_machine_2_1_info
);
1683 type_init(spapr_machine_register_types
)