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Commit | Line | Data |
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9fdf0c29 DG |
1 | /* |
2 | * QEMU PowerPC pSeries Logical Partition (aka sPAPR) hardware System Emulator | |
3 | * | |
4 | * Copyright (c) 2004-2007 Fabrice Bellard | |
5 | * Copyright (c) 2007 Jocelyn Mayer | |
6 | * Copyright (c) 2010 David Gibson, IBM Corporation. | |
7 | * | |
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: | |
14 | * | |
15 | * The above copyright notice and this permission notice shall be included in | |
16 | * all copies or substantial portions of the Software. | |
17 | * | |
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 | |
24 | * THE SOFTWARE. | |
9fdf0c29 | 25 | */ |
a8d25326 | 26 | |
0d75590d | 27 | #include "qemu/osdep.h" |
a8d25326 | 28 | #include "qemu-common.h" |
da34e65c | 29 | #include "qapi/error.h" |
fa98fbfc | 30 | #include "qapi/visitor.h" |
9c17d615 | 31 | #include "sysemu/sysemu.h" |
b58c5c2d | 32 | #include "sysemu/hostmem.h" |
e35704ba | 33 | #include "sysemu/numa.h" |
23ff81bd | 34 | #include "sysemu/qtest.h" |
71e8a915 | 35 | #include "sysemu/reset.h" |
54d31236 | 36 | #include "sysemu/runstate.h" |
03dd024f | 37 | #include "qemu/log.h" |
71461b0f | 38 | #include "hw/fw-path-provider.h" |
9fdf0c29 | 39 | #include "elf.h" |
1422e32d | 40 | #include "net/net.h" |
ad440b4a | 41 | #include "sysemu/device_tree.h" |
9c17d615 | 42 | #include "sysemu/cpus.h" |
b3946626 | 43 | #include "sysemu/hw_accel.h" |
e97c3636 | 44 | #include "kvm_ppc.h" |
c4b63b7c | 45 | #include "migration/misc.h" |
ca77ee28 | 46 | #include "migration/qemu-file-types.h" |
84a899de | 47 | #include "migration/global_state.h" |
f2a8f0a6 | 48 | #include "migration/register.h" |
4be21d56 | 49 | #include "mmu-hash64.h" |
b4db5413 | 50 | #include "mmu-book3s-v3.h" |
7abd43ba | 51 | #include "cpu-models.h" |
2e5b09fd | 52 | #include "hw/core/cpu.h" |
9fdf0c29 DG |
53 | |
54 | #include "hw/boards.h" | |
0d09e41a | 55 | #include "hw/ppc/ppc.h" |
9fdf0c29 DG |
56 | #include "hw/loader.h" |
57 | ||
7804c353 | 58 | #include "hw/ppc/fdt.h" |
0d09e41a PB |
59 | #include "hw/ppc/spapr.h" |
60 | #include "hw/ppc/spapr_vio.h" | |
a27bd6c7 | 61 | #include "hw/qdev-properties.h" |
0d09e41a | 62 | #include "hw/pci-host/spapr.h" |
a2cb15b0 | 63 | #include "hw/pci/msi.h" |
9fdf0c29 | 64 | |
83c9f4ca | 65 | #include "hw/pci/pci.h" |
71461b0f AK |
66 | #include "hw/scsi/scsi.h" |
67 | #include "hw/virtio/virtio-scsi.h" | |
c4e13492 | 68 | #include "hw/virtio/vhost-scsi-common.h" |
f61b4bed | 69 | |
022c62cb | 70 | #include "exec/address-spaces.h" |
2309832a | 71 | #include "exec/ram_addr.h" |
35139a59 | 72 | #include "hw/usb.h" |
1de7afc9 | 73 | #include "qemu/config-file.h" |
135a129a | 74 | #include "qemu/error-report.h" |
2a6593cb | 75 | #include "trace.h" |
34316482 | 76 | #include "hw/nmi.h" |
6449da45 | 77 | #include "hw/intc/intc.h" |
890c2b77 | 78 | |
f348b6d1 | 79 | #include "qemu/cutils.h" |
94a94e4c | 80 | #include "hw/ppc/spapr_cpu_core.h" |
2cc0e2e8 | 81 | #include "hw/mem/memory-device.h" |
0fb6bd07 | 82 | #include "hw/ppc/spapr_tpm_proxy.h" |
68a27b20 | 83 | |
f041d6af GK |
84 | #include "monitor/monitor.h" |
85 | ||
9fdf0c29 DG |
86 | #include <libfdt.h> |
87 | ||
4d8d5467 BH |
88 | /* SLOF memory layout: |
89 | * | |
90 | * SLOF raw image loaded at 0, copies its romfs right below the flat | |
91 | * device-tree, then position SLOF itself 31M below that | |
92 | * | |
93 | * So we set FW_OVERHEAD to 40MB which should account for all of that | |
94 | * and more | |
95 | * | |
96 | * We load our kernel at 4M, leaving space for SLOF initial image | |
97 | */ | |
38b02bd8 | 98 | #define FDT_MAX_SIZE 0x100000 |
b7d1f77a | 99 | #define RTAS_MAX_ADDR 0x80000000 /* RTAS must stay below that */ |
a9f8ad8f DG |
100 | #define FW_MAX_SIZE 0x400000 |
101 | #define FW_FILE_NAME "slof.bin" | |
4d8d5467 BH |
102 | #define FW_OVERHEAD 0x2800000 |
103 | #define KERNEL_LOAD_ADDR FW_MAX_SIZE | |
a9f8ad8f | 104 | |
4d8d5467 | 105 | #define MIN_RMA_SLOF 128UL |
9fdf0c29 | 106 | |
5c7adcf4 | 107 | #define PHANDLE_INTC 0x00001111 |
0c103f8e | 108 | |
5d0fb150 GK |
109 | /* These two functions implement the VCPU id numbering: one to compute them |
110 | * all and one to identify thread 0 of a VCORE. Any change to the first one | |
111 | * is likely to have an impact on the second one, so let's keep them close. | |
112 | */ | |
ce2918cb | 113 | static int spapr_vcpu_id(SpaprMachineState *spapr, int cpu_index) |
5d0fb150 | 114 | { |
fe6b6346 LX |
115 | MachineState *ms = MACHINE(spapr); |
116 | unsigned int smp_threads = ms->smp.threads; | |
117 | ||
1a5008fc | 118 | assert(spapr->vsmt); |
5d0fb150 GK |
119 | return |
120 | (cpu_index / smp_threads) * spapr->vsmt + cpu_index % smp_threads; | |
121 | } | |
ce2918cb | 122 | static bool spapr_is_thread0_in_vcore(SpaprMachineState *spapr, |
5d0fb150 GK |
123 | PowerPCCPU *cpu) |
124 | { | |
1a5008fc | 125 | assert(spapr->vsmt); |
5d0fb150 GK |
126 | return spapr_get_vcpu_id(cpu) % spapr->vsmt == 0; |
127 | } | |
128 | ||
46f7afa3 GK |
129 | static bool pre_2_10_vmstate_dummy_icp_needed(void *opaque) |
130 | { | |
131 | /* Dummy entries correspond to unused ICPState objects in older QEMUs, | |
132 | * and newer QEMUs don't even have them. In both cases, we don't want | |
133 | * to send anything on the wire. | |
134 | */ | |
135 | return false; | |
136 | } | |
137 | ||
138 | static const VMStateDescription pre_2_10_vmstate_dummy_icp = { | |
139 | .name = "icp/server", | |
140 | .version_id = 1, | |
141 | .minimum_version_id = 1, | |
142 | .needed = pre_2_10_vmstate_dummy_icp_needed, | |
143 | .fields = (VMStateField[]) { | |
144 | VMSTATE_UNUSED(4), /* uint32_t xirr */ | |
145 | VMSTATE_UNUSED(1), /* uint8_t pending_priority */ | |
146 | VMSTATE_UNUSED(1), /* uint8_t mfrr */ | |
147 | VMSTATE_END_OF_LIST() | |
148 | }, | |
149 | }; | |
150 | ||
151 | static void pre_2_10_vmstate_register_dummy_icp(int i) | |
152 | { | |
153 | vmstate_register(NULL, i, &pre_2_10_vmstate_dummy_icp, | |
154 | (void *)(uintptr_t) i); | |
155 | } | |
156 | ||
157 | static void pre_2_10_vmstate_unregister_dummy_icp(int i) | |
158 | { | |
159 | vmstate_unregister(NULL, &pre_2_10_vmstate_dummy_icp, | |
160 | (void *)(uintptr_t) i); | |
161 | } | |
162 | ||
ce2918cb | 163 | int spapr_max_server_number(SpaprMachineState *spapr) |
46f7afa3 | 164 | { |
fe6b6346 LX |
165 | MachineState *ms = MACHINE(spapr); |
166 | ||
1a5008fc | 167 | assert(spapr->vsmt); |
fe6b6346 | 168 | return DIV_ROUND_UP(ms->smp.max_cpus * spapr->vsmt, ms->smp.threads); |
46f7afa3 GK |
169 | } |
170 | ||
833d4668 AK |
171 | static int spapr_fixup_cpu_smt_dt(void *fdt, int offset, PowerPCCPU *cpu, |
172 | int smt_threads) | |
173 | { | |
174 | int i, ret = 0; | |
175 | uint32_t servers_prop[smt_threads]; | |
176 | uint32_t gservers_prop[smt_threads * 2]; | |
14bb4486 | 177 | int index = spapr_get_vcpu_id(cpu); |
833d4668 | 178 | |
d6e166c0 DG |
179 | if (cpu->compat_pvr) { |
180 | ret = fdt_setprop_cell(fdt, offset, "cpu-version", cpu->compat_pvr); | |
6d9412ea AK |
181 | if (ret < 0) { |
182 | return ret; | |
183 | } | |
184 | } | |
185 | ||
833d4668 AK |
186 | /* Build interrupt servers and gservers properties */ |
187 | for (i = 0; i < smt_threads; i++) { | |
188 | servers_prop[i] = cpu_to_be32(index + i); | |
189 | /* Hack, direct the group queues back to cpu 0 */ | |
190 | gservers_prop[i*2] = cpu_to_be32(index + i); | |
191 | gservers_prop[i*2 + 1] = 0; | |
192 | } | |
193 | ret = fdt_setprop(fdt, offset, "ibm,ppc-interrupt-server#s", | |
194 | servers_prop, sizeof(servers_prop)); | |
195 | if (ret < 0) { | |
196 | return ret; | |
197 | } | |
198 | ret = fdt_setprop(fdt, offset, "ibm,ppc-interrupt-gserver#s", | |
199 | gservers_prop, sizeof(gservers_prop)); | |
200 | ||
201 | return ret; | |
202 | } | |
203 | ||
99861ecb | 204 | static int spapr_fixup_cpu_numa_dt(void *fdt, int offset, PowerPCCPU *cpu) |
0da6f3fe | 205 | { |
14bb4486 | 206 | int index = spapr_get_vcpu_id(cpu); |
0da6f3fe BR |
207 | uint32_t associativity[] = {cpu_to_be32(0x5), |
208 | cpu_to_be32(0x0), | |
209 | cpu_to_be32(0x0), | |
210 | cpu_to_be32(0x0), | |
15f8b142 | 211 | cpu_to_be32(cpu->node_id), |
0da6f3fe BR |
212 | cpu_to_be32(index)}; |
213 | ||
214 | /* Advertise NUMA via ibm,associativity */ | |
99861ecb | 215 | return fdt_setprop(fdt, offset, "ibm,associativity", associativity, |
0da6f3fe | 216 | sizeof(associativity)); |
0da6f3fe BR |
217 | } |
218 | ||
86d5771a | 219 | /* Populate the "ibm,pa-features" property */ |
ce2918cb | 220 | static void spapr_populate_pa_features(SpaprMachineState *spapr, |
ee76a09f | 221 | PowerPCCPU *cpu, |
daa36379 | 222 | void *fdt, int offset) |
86d5771a SB |
223 | { |
224 | uint8_t pa_features_206[] = { 6, 0, | |
225 | 0xf6, 0x1f, 0xc7, 0x00, 0x80, 0xc0 }; | |
226 | uint8_t pa_features_207[] = { 24, 0, | |
227 | 0xf6, 0x1f, 0xc7, 0xc0, 0x80, 0xf0, | |
228 | 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, | |
229 | 0x00, 0x00, 0x00, 0x00, 0x80, 0x00, | |
230 | 0x80, 0x00, 0x80, 0x00, 0x00, 0x00 }; | |
9fb4541f SB |
231 | uint8_t pa_features_300[] = { 66, 0, |
232 | /* 0: MMU|FPU|SLB|RUN|DABR|NX, 1: fri[nzpm]|DABRX|SPRG3|SLB0|PP110 */ | |
233 | /* 2: VPM|DS205|PPR|DS202|DS206, 3: LSD|URG, SSO, 5: LE|CFAR|EB|LSQ */ | |
234 | 0xf6, 0x1f, 0xc7, 0xc0, 0x80, 0xf0, /* 0 - 5 */ | |
235 | /* 6: DS207 */ | |
236 | 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, /* 6 - 11 */ | |
237 | /* 16: Vector */ | |
86d5771a | 238 | 0x00, 0x00, 0x00, 0x00, 0x80, 0x00, /* 12 - 17 */ |
9fb4541f | 239 | /* 18: Vec. Scalar, 20: Vec. XOR, 22: HTM */ |
9bf502fe | 240 | 0x80, 0x00, 0x80, 0x00, 0x00, 0x00, /* 18 - 23 */ |
9fb4541f SB |
241 | /* 24: Ext. Dec, 26: 64 bit ftrs, 28: PM ftrs */ |
242 | 0x80, 0x00, 0x80, 0x00, 0x80, 0x00, /* 24 - 29 */ | |
243 | /* 30: MMR, 32: LE atomic, 34: EBB + ext EBB */ | |
244 | 0x80, 0x00, 0x80, 0x00, 0xC0, 0x00, /* 30 - 35 */ | |
245 | /* 36: SPR SO, 38: Copy/Paste, 40: Radix MMU */ | |
246 | 0x80, 0x00, 0x80, 0x00, 0x80, 0x00, /* 36 - 41 */ | |
247 | /* 42: PM, 44: PC RA, 46: SC vec'd */ | |
248 | 0x80, 0x00, 0x80, 0x00, 0x80, 0x00, /* 42 - 47 */ | |
249 | /* 48: SIMD, 50: QP BFP, 52: String */ | |
250 | 0x80, 0x00, 0x80, 0x00, 0x80, 0x00, /* 48 - 53 */ | |
251 | /* 54: DecFP, 56: DecI, 58: SHA */ | |
252 | 0x80, 0x00, 0x80, 0x00, 0x80, 0x00, /* 54 - 59 */ | |
253 | /* 60: NM atomic, 62: RNG */ | |
254 | 0x80, 0x00, 0x80, 0x00, 0x00, 0x00, /* 60 - 65 */ | |
255 | }; | |
7abd43ba | 256 | uint8_t *pa_features = NULL; |
86d5771a SB |
257 | size_t pa_size; |
258 | ||
7abd43ba | 259 | if (ppc_check_compat(cpu, CPU_POWERPC_LOGICAL_2_06, 0, cpu->compat_pvr)) { |
86d5771a SB |
260 | pa_features = pa_features_206; |
261 | pa_size = sizeof(pa_features_206); | |
7abd43ba SJS |
262 | } |
263 | if (ppc_check_compat(cpu, CPU_POWERPC_LOGICAL_2_07, 0, cpu->compat_pvr)) { | |
86d5771a SB |
264 | pa_features = pa_features_207; |
265 | pa_size = sizeof(pa_features_207); | |
7abd43ba SJS |
266 | } |
267 | if (ppc_check_compat(cpu, CPU_POWERPC_LOGICAL_3_00, 0, cpu->compat_pvr)) { | |
86d5771a SB |
268 | pa_features = pa_features_300; |
269 | pa_size = sizeof(pa_features_300); | |
7abd43ba SJS |
270 | } |
271 | if (!pa_features) { | |
86d5771a SB |
272 | return; |
273 | } | |
274 | ||
26cd35b8 | 275 | if (ppc_hash64_has(cpu, PPC_HASH64_CI_LARGEPAGE)) { |
86d5771a SB |
276 | /* |
277 | * Note: we keep CI large pages off by default because a 64K capable | |
278 | * guest provisioned with large pages might otherwise try to map a qemu | |
279 | * framebuffer (or other kind of memory mapped PCI BAR) using 64K pages | |
280 | * even if that qemu runs on a 4k host. | |
281 | * We dd this bit back here if we are confident this is not an issue | |
282 | */ | |
283 | pa_features[3] |= 0x20; | |
284 | } | |
4e5fe368 | 285 | if ((spapr_get_cap(spapr, SPAPR_CAP_HTM) != 0) && pa_size > 24) { |
86d5771a SB |
286 | pa_features[24] |= 0x80; /* Transactional memory support */ |
287 | } | |
daa36379 | 288 | if (spapr->cas_pre_isa3_guest && pa_size > 40) { |
e957f6a9 SB |
289 | /* Workaround for broken kernels that attempt (guest) radix |
290 | * mode when they can't handle it, if they see the radix bit set | |
291 | * in pa-features. So hide it from them. */ | |
292 | pa_features[40 + 2] &= ~0x80; /* Radix MMU */ | |
293 | } | |
86d5771a SB |
294 | |
295 | _FDT((fdt_setprop(fdt, offset, "ibm,pa-features", pa_features, pa_size))); | |
296 | } | |
297 | ||
c86c1aff | 298 | static hwaddr spapr_node0_size(MachineState *machine) |
b082d65a | 299 | { |
aa570207 | 300 | if (machine->numa_state->num_nodes) { |
b082d65a | 301 | int i; |
aa570207 | 302 | for (i = 0; i < machine->numa_state->num_nodes; ++i) { |
7e721e7b TX |
303 | if (machine->numa_state->nodes[i].node_mem) { |
304 | return MIN(pow2floor(machine->numa_state->nodes[i].node_mem), | |
fb164994 | 305 | machine->ram_size); |
b082d65a AK |
306 | } |
307 | } | |
308 | } | |
fb164994 | 309 | return machine->ram_size; |
b082d65a AK |
310 | } |
311 | ||
a1d59c0f AK |
312 | static void add_str(GString *s, const gchar *s1) |
313 | { | |
314 | g_string_append_len(s, s1, strlen(s1) + 1); | |
315 | } | |
7f763a5d | 316 | |
03d196b7 | 317 | static int spapr_populate_memory_node(void *fdt, int nodeid, hwaddr start, |
26a8c353 AK |
318 | hwaddr size) |
319 | { | |
320 | uint32_t associativity[] = { | |
321 | cpu_to_be32(0x4), /* length */ | |
322 | cpu_to_be32(0x0), cpu_to_be32(0x0), | |
c3b4f589 | 323 | cpu_to_be32(0x0), cpu_to_be32(nodeid) |
26a8c353 AK |
324 | }; |
325 | char mem_name[32]; | |
326 | uint64_t mem_reg_property[2]; | |
327 | int off; | |
328 | ||
329 | mem_reg_property[0] = cpu_to_be64(start); | |
330 | mem_reg_property[1] = cpu_to_be64(size); | |
331 | ||
3a17e38f | 332 | sprintf(mem_name, "memory@%" HWADDR_PRIx, start); |
26a8c353 AK |
333 | off = fdt_add_subnode(fdt, 0, mem_name); |
334 | _FDT(off); | |
335 | _FDT((fdt_setprop_string(fdt, off, "device_type", "memory"))); | |
336 | _FDT((fdt_setprop(fdt, off, "reg", mem_reg_property, | |
337 | sizeof(mem_reg_property)))); | |
338 | _FDT((fdt_setprop(fdt, off, "ibm,associativity", associativity, | |
339 | sizeof(associativity)))); | |
03d196b7 | 340 | return off; |
26a8c353 AK |
341 | } |
342 | ||
ce2918cb | 343 | static int spapr_populate_memory(SpaprMachineState *spapr, void *fdt) |
7f763a5d | 344 | { |
fb164994 | 345 | MachineState *machine = MACHINE(spapr); |
7db8a127 | 346 | hwaddr mem_start, node_size; |
aa570207 | 347 | int i, nb_nodes = machine->numa_state->num_nodes; |
7e721e7b | 348 | NodeInfo *nodes = machine->numa_state->nodes; |
7f763a5d | 349 | |
7db8a127 AK |
350 | for (i = 0, mem_start = 0; i < nb_nodes; ++i) { |
351 | if (!nodes[i].node_mem) { | |
352 | continue; | |
353 | } | |
fb164994 | 354 | if (mem_start >= machine->ram_size) { |
5fe269b1 PM |
355 | node_size = 0; |
356 | } else { | |
7db8a127 | 357 | node_size = nodes[i].node_mem; |
fb164994 DG |
358 | if (node_size > machine->ram_size - mem_start) { |
359 | node_size = machine->ram_size - mem_start; | |
5fe269b1 PM |
360 | } |
361 | } | |
7db8a127 | 362 | if (!mem_start) { |
b472b1a7 DHB |
363 | /* spapr_machine_init() checks for rma_size <= node0_size |
364 | * already */ | |
e8f986fc | 365 | spapr_populate_memory_node(fdt, i, 0, spapr->rma_size); |
7db8a127 AK |
366 | mem_start += spapr->rma_size; |
367 | node_size -= spapr->rma_size; | |
368 | } | |
6010818c AK |
369 | for ( ; node_size; ) { |
370 | hwaddr sizetmp = pow2floor(node_size); | |
371 | ||
372 | /* mem_start != 0 here */ | |
373 | if (ctzl(mem_start) < ctzl(sizetmp)) { | |
374 | sizetmp = 1ULL << ctzl(mem_start); | |
375 | } | |
376 | ||
377 | spapr_populate_memory_node(fdt, i, mem_start, sizetmp); | |
378 | node_size -= sizetmp; | |
379 | mem_start += sizetmp; | |
380 | } | |
7f763a5d DG |
381 | } |
382 | ||
383 | return 0; | |
384 | } | |
385 | ||
0da6f3fe | 386 | static void spapr_populate_cpu_dt(CPUState *cs, void *fdt, int offset, |
ce2918cb | 387 | SpaprMachineState *spapr) |
0da6f3fe | 388 | { |
fe6b6346 | 389 | MachineState *ms = MACHINE(spapr); |
0da6f3fe BR |
390 | PowerPCCPU *cpu = POWERPC_CPU(cs); |
391 | CPUPPCState *env = &cpu->env; | |
392 | PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cs); | |
14bb4486 | 393 | int index = spapr_get_vcpu_id(cpu); |
0da6f3fe BR |
394 | uint32_t segs[] = {cpu_to_be32(28), cpu_to_be32(40), |
395 | 0xffffffff, 0xffffffff}; | |
afd10a0f BR |
396 | uint32_t tbfreq = kvm_enabled() ? kvmppc_get_tbfreq() |
397 | : SPAPR_TIMEBASE_FREQ; | |
0da6f3fe BR |
398 | uint32_t cpufreq = kvm_enabled() ? kvmppc_get_clockfreq() : 1000000000; |
399 | uint32_t page_sizes_prop[64]; | |
400 | size_t page_sizes_prop_size; | |
fe6b6346 LX |
401 | unsigned int smp_threads = ms->smp.threads; |
402 | uint32_t vcpus_per_socket = smp_threads * ms->smp.cores; | |
0da6f3fe | 403 | uint32_t pft_size_prop[] = {0, cpu_to_be32(spapr->htab_shift)}; |
abbc1247 | 404 | int compat_smt = MIN(smp_threads, ppc_compat_max_vthreads(cpu)); |
ce2918cb | 405 | SpaprDrc *drc; |
af81cf32 | 406 | int drc_index; |
c64abd1f SB |
407 | uint32_t radix_AP_encodings[PPC_PAGE_SIZES_MAX_SZ]; |
408 | int i; | |
af81cf32 | 409 | |
fbf55397 | 410 | drc = spapr_drc_by_id(TYPE_SPAPR_DRC_CPU, index); |
af81cf32 | 411 | if (drc) { |
0b55aa91 | 412 | drc_index = spapr_drc_index(drc); |
af81cf32 BR |
413 | _FDT((fdt_setprop_cell(fdt, offset, "ibm,my-drc-index", drc_index))); |
414 | } | |
0da6f3fe BR |
415 | |
416 | _FDT((fdt_setprop_cell(fdt, offset, "reg", index))); | |
417 | _FDT((fdt_setprop_string(fdt, offset, "device_type", "cpu"))); | |
418 | ||
419 | _FDT((fdt_setprop_cell(fdt, offset, "cpu-version", env->spr[SPR_PVR]))); | |
420 | _FDT((fdt_setprop_cell(fdt, offset, "d-cache-block-size", | |
421 | env->dcache_line_size))); | |
422 | _FDT((fdt_setprop_cell(fdt, offset, "d-cache-line-size", | |
423 | env->dcache_line_size))); | |
424 | _FDT((fdt_setprop_cell(fdt, offset, "i-cache-block-size", | |
425 | env->icache_line_size))); | |
426 | _FDT((fdt_setprop_cell(fdt, offset, "i-cache-line-size", | |
427 | env->icache_line_size))); | |
428 | ||
429 | if (pcc->l1_dcache_size) { | |
430 | _FDT((fdt_setprop_cell(fdt, offset, "d-cache-size", | |
431 | pcc->l1_dcache_size))); | |
432 | } else { | |
3dc6f869 | 433 | warn_report("Unknown L1 dcache size for cpu"); |
0da6f3fe BR |
434 | } |
435 | if (pcc->l1_icache_size) { | |
436 | _FDT((fdt_setprop_cell(fdt, offset, "i-cache-size", | |
437 | pcc->l1_icache_size))); | |
438 | } else { | |
3dc6f869 | 439 | warn_report("Unknown L1 icache size for cpu"); |
0da6f3fe BR |
440 | } |
441 | ||
442 | _FDT((fdt_setprop_cell(fdt, offset, "timebase-frequency", tbfreq))); | |
443 | _FDT((fdt_setprop_cell(fdt, offset, "clock-frequency", cpufreq))); | |
67d7d66f DG |
444 | _FDT((fdt_setprop_cell(fdt, offset, "slb-size", cpu->hash64_opts->slb_size))); |
445 | _FDT((fdt_setprop_cell(fdt, offset, "ibm,slb-size", cpu->hash64_opts->slb_size))); | |
0da6f3fe BR |
446 | _FDT((fdt_setprop_string(fdt, offset, "status", "okay"))); |
447 | _FDT((fdt_setprop(fdt, offset, "64-bit", NULL, 0))); | |
448 | ||
449 | if (env->spr_cb[SPR_PURR].oea_read) { | |
83f192d3 SJS |
450 | _FDT((fdt_setprop_cell(fdt, offset, "ibm,purr", 1))); |
451 | } | |
452 | if (env->spr_cb[SPR_SPURR].oea_read) { | |
453 | _FDT((fdt_setprop_cell(fdt, offset, "ibm,spurr", 1))); | |
0da6f3fe BR |
454 | } |
455 | ||
58969eee | 456 | if (ppc_hash64_has(cpu, PPC_HASH64_1TSEG)) { |
0da6f3fe BR |
457 | _FDT((fdt_setprop(fdt, offset, "ibm,processor-segment-sizes", |
458 | segs, sizeof(segs)))); | |
459 | } | |
460 | ||
29386642 | 461 | /* Advertise VSX (vector extensions) if available |
0da6f3fe | 462 | * 1 == VMX / Altivec available |
29386642 DG |
463 | * 2 == VSX available |
464 | * | |
465 | * Only CPUs for which we create core types in spapr_cpu_core.c | |
466 | * are possible, and all of those have VMX */ | |
4e5fe368 | 467 | if (spapr_get_cap(spapr, SPAPR_CAP_VSX) != 0) { |
29386642 DG |
468 | _FDT((fdt_setprop_cell(fdt, offset, "ibm,vmx", 2))); |
469 | } else { | |
470 | _FDT((fdt_setprop_cell(fdt, offset, "ibm,vmx", 1))); | |
0da6f3fe BR |
471 | } |
472 | ||
473 | /* Advertise DFP (Decimal Floating Point) if available | |
474 | * 0 / no property == no DFP | |
475 | * 1 == DFP available */ | |
4e5fe368 | 476 | if (spapr_get_cap(spapr, SPAPR_CAP_DFP) != 0) { |
0da6f3fe BR |
477 | _FDT((fdt_setprop_cell(fdt, offset, "ibm,dfp", 1))); |
478 | } | |
479 | ||
644a2c99 DG |
480 | page_sizes_prop_size = ppc_create_page_sizes_prop(cpu, page_sizes_prop, |
481 | sizeof(page_sizes_prop)); | |
0da6f3fe BR |
482 | if (page_sizes_prop_size) { |
483 | _FDT((fdt_setprop(fdt, offset, "ibm,segment-page-sizes", | |
484 | page_sizes_prop, page_sizes_prop_size))); | |
485 | } | |
486 | ||
daa36379 | 487 | spapr_populate_pa_features(spapr, cpu, fdt, offset); |
90da0d5a | 488 | |
0da6f3fe | 489 | _FDT((fdt_setprop_cell(fdt, offset, "ibm,chip-id", |
22419c2a | 490 | cs->cpu_index / vcpus_per_socket))); |
0da6f3fe BR |
491 | |
492 | _FDT((fdt_setprop(fdt, offset, "ibm,pft-size", | |
493 | pft_size_prop, sizeof(pft_size_prop)))); | |
494 | ||
aa570207 | 495 | if (ms->numa_state->num_nodes > 1) { |
99861ecb IM |
496 | _FDT(spapr_fixup_cpu_numa_dt(fdt, offset, cpu)); |
497 | } | |
0da6f3fe | 498 | |
12dbeb16 | 499 | _FDT(spapr_fixup_cpu_smt_dt(fdt, offset, cpu, compat_smt)); |
c64abd1f SB |
500 | |
501 | if (pcc->radix_page_info) { | |
502 | for (i = 0; i < pcc->radix_page_info->count; i++) { | |
503 | radix_AP_encodings[i] = | |
504 | cpu_to_be32(pcc->radix_page_info->entries[i]); | |
505 | } | |
506 | _FDT((fdt_setprop(fdt, offset, "ibm,processor-radix-AP-encodings", | |
507 | radix_AP_encodings, | |
508 | pcc->radix_page_info->count * | |
509 | sizeof(radix_AP_encodings[0])))); | |
510 | } | |
a8dafa52 SJS |
511 | |
512 | /* | |
513 | * We set this property to let the guest know that it can use the large | |
514 | * decrementer and its width in bits. | |
515 | */ | |
516 | if (spapr_get_cap(spapr, SPAPR_CAP_LARGE_DECREMENTER) != SPAPR_CAP_OFF) | |
517 | _FDT((fdt_setprop_u32(fdt, offset, "ibm,dec-bits", | |
518 | pcc->lrg_decr_bits))); | |
0da6f3fe BR |
519 | } |
520 | ||
ce2918cb | 521 | static void spapr_populate_cpus_dt_node(void *fdt, SpaprMachineState *spapr) |
0da6f3fe | 522 | { |
04d595b3 | 523 | CPUState **rev; |
0da6f3fe | 524 | CPUState *cs; |
04d595b3 | 525 | int n_cpus; |
0da6f3fe BR |
526 | int cpus_offset; |
527 | char *nodename; | |
04d595b3 | 528 | int i; |
0da6f3fe BR |
529 | |
530 | cpus_offset = fdt_add_subnode(fdt, 0, "cpus"); | |
531 | _FDT(cpus_offset); | |
532 | _FDT((fdt_setprop_cell(fdt, cpus_offset, "#address-cells", 0x1))); | |
533 | _FDT((fdt_setprop_cell(fdt, cpus_offset, "#size-cells", 0x0))); | |
534 | ||
535 | /* | |
536 | * We walk the CPUs in reverse order to ensure that CPU DT nodes | |
537 | * created by fdt_add_subnode() end up in the right order in FDT | |
538 | * for the guest kernel the enumerate the CPUs correctly. | |
04d595b3 EC |
539 | * |
540 | * The CPU list cannot be traversed in reverse order, so we need | |
541 | * to do extra work. | |
0da6f3fe | 542 | */ |
04d595b3 EC |
543 | n_cpus = 0; |
544 | rev = NULL; | |
545 | CPU_FOREACH(cs) { | |
546 | rev = g_renew(CPUState *, rev, n_cpus + 1); | |
547 | rev[n_cpus++] = cs; | |
548 | } | |
549 | ||
550 | for (i = n_cpus - 1; i >= 0; i--) { | |
551 | CPUState *cs = rev[i]; | |
0da6f3fe | 552 | PowerPCCPU *cpu = POWERPC_CPU(cs); |
14bb4486 | 553 | int index = spapr_get_vcpu_id(cpu); |
0da6f3fe BR |
554 | DeviceClass *dc = DEVICE_GET_CLASS(cs); |
555 | int offset; | |
556 | ||
5d0fb150 | 557 | if (!spapr_is_thread0_in_vcore(spapr, cpu)) { |
0da6f3fe BR |
558 | continue; |
559 | } | |
560 | ||
561 | nodename = g_strdup_printf("%s@%x", dc->fw_name, index); | |
562 | offset = fdt_add_subnode(fdt, cpus_offset, nodename); | |
563 | g_free(nodename); | |
564 | _FDT(offset); | |
565 | spapr_populate_cpu_dt(cs, fdt, offset, spapr); | |
566 | } | |
567 | ||
eceba347 | 568 | g_free(rev); |
0da6f3fe BR |
569 | } |
570 | ||
0e947a89 TH |
571 | static int spapr_rng_populate_dt(void *fdt) |
572 | { | |
573 | int node; | |
574 | int ret; | |
575 | ||
576 | node = qemu_fdt_add_subnode(fdt, "/ibm,platform-facilities"); | |
577 | if (node <= 0) { | |
578 | return -1; | |
579 | } | |
580 | ret = fdt_setprop_string(fdt, node, "device_type", | |
581 | "ibm,platform-facilities"); | |
582 | ret |= fdt_setprop_cell(fdt, node, "#address-cells", 0x1); | |
583 | ret |= fdt_setprop_cell(fdt, node, "#size-cells", 0x0); | |
584 | ||
585 | node = fdt_add_subnode(fdt, node, "ibm,random-v1"); | |
586 | if (node <= 0) { | |
587 | return -1; | |
588 | } | |
589 | ret |= fdt_setprop_string(fdt, node, "compatible", "ibm,random"); | |
590 | ||
591 | return ret ? -1 : 0; | |
592 | } | |
593 | ||
f47bd1c8 IM |
594 | static uint32_t spapr_pc_dimm_node(MemoryDeviceInfoList *list, ram_addr_t addr) |
595 | { | |
596 | MemoryDeviceInfoList *info; | |
597 | ||
598 | for (info = list; info; info = info->next) { | |
599 | MemoryDeviceInfo *value = info->value; | |
600 | ||
601 | if (value && value->type == MEMORY_DEVICE_INFO_KIND_DIMM) { | |
602 | PCDIMMDeviceInfo *pcdimm_info = value->u.dimm.data; | |
603 | ||
ccc2cef8 | 604 | if (addr >= pcdimm_info->addr && |
f47bd1c8 IM |
605 | addr < (pcdimm_info->addr + pcdimm_info->size)) { |
606 | return pcdimm_info->node; | |
607 | } | |
608 | } | |
609 | } | |
610 | ||
611 | return -1; | |
612 | } | |
613 | ||
a324d6f1 BR |
614 | struct sPAPRDrconfCellV2 { |
615 | uint32_t seq_lmbs; | |
616 | uint64_t base_addr; | |
617 | uint32_t drc_index; | |
618 | uint32_t aa_index; | |
619 | uint32_t flags; | |
620 | } QEMU_PACKED; | |
621 | ||
622 | typedef struct DrconfCellQueue { | |
623 | struct sPAPRDrconfCellV2 cell; | |
624 | QSIMPLEQ_ENTRY(DrconfCellQueue) entry; | |
625 | } DrconfCellQueue; | |
626 | ||
627 | static DrconfCellQueue * | |
628 | spapr_get_drconf_cell(uint32_t seq_lmbs, uint64_t base_addr, | |
629 | uint32_t drc_index, uint32_t aa_index, | |
630 | uint32_t flags) | |
03d196b7 | 631 | { |
a324d6f1 BR |
632 | DrconfCellQueue *elem; |
633 | ||
634 | elem = g_malloc0(sizeof(*elem)); | |
635 | elem->cell.seq_lmbs = cpu_to_be32(seq_lmbs); | |
636 | elem->cell.base_addr = cpu_to_be64(base_addr); | |
637 | elem->cell.drc_index = cpu_to_be32(drc_index); | |
638 | elem->cell.aa_index = cpu_to_be32(aa_index); | |
639 | elem->cell.flags = cpu_to_be32(flags); | |
640 | ||
641 | return elem; | |
642 | } | |
643 | ||
644 | /* ibm,dynamic-memory-v2 */ | |
ce2918cb | 645 | static int spapr_populate_drmem_v2(SpaprMachineState *spapr, void *fdt, |
a324d6f1 BR |
646 | int offset, MemoryDeviceInfoList *dimms) |
647 | { | |
b0c14ec4 | 648 | MachineState *machine = MACHINE(spapr); |
cc941111 | 649 | uint8_t *int_buf, *cur_index; |
a324d6f1 BR |
650 | int ret; |
651 | uint64_t lmb_size = SPAPR_MEMORY_BLOCK_SIZE; | |
652 | uint64_t addr, cur_addr, size; | |
b0c14ec4 DH |
653 | uint32_t nr_boot_lmbs = (machine->device_memory->base / lmb_size); |
654 | uint64_t mem_end = machine->device_memory->base + | |
655 | memory_region_size(&machine->device_memory->mr); | |
cc941111 | 656 | uint32_t node, buf_len, nr_entries = 0; |
ce2918cb | 657 | SpaprDrc *drc; |
a324d6f1 BR |
658 | DrconfCellQueue *elem, *next; |
659 | MemoryDeviceInfoList *info; | |
660 | QSIMPLEQ_HEAD(, DrconfCellQueue) drconf_queue | |
661 | = QSIMPLEQ_HEAD_INITIALIZER(drconf_queue); | |
662 | ||
663 | /* Entry to cover RAM and the gap area */ | |
664 | elem = spapr_get_drconf_cell(nr_boot_lmbs, 0, 0, -1, | |
665 | SPAPR_LMB_FLAGS_RESERVED | | |
666 | SPAPR_LMB_FLAGS_DRC_INVALID); | |
667 | QSIMPLEQ_INSERT_TAIL(&drconf_queue, elem, entry); | |
668 | nr_entries++; | |
669 | ||
b0c14ec4 | 670 | cur_addr = machine->device_memory->base; |
a324d6f1 BR |
671 | for (info = dimms; info; info = info->next) { |
672 | PCDIMMDeviceInfo *di = info->value->u.dimm.data; | |
673 | ||
674 | addr = di->addr; | |
675 | size = di->size; | |
676 | node = di->node; | |
677 | ||
678 | /* Entry for hot-pluggable area */ | |
679 | if (cur_addr < addr) { | |
680 | drc = spapr_drc_by_id(TYPE_SPAPR_DRC_LMB, cur_addr / lmb_size); | |
681 | g_assert(drc); | |
682 | elem = spapr_get_drconf_cell((addr - cur_addr) / lmb_size, | |
683 | cur_addr, spapr_drc_index(drc), -1, 0); | |
684 | QSIMPLEQ_INSERT_TAIL(&drconf_queue, elem, entry); | |
685 | nr_entries++; | |
686 | } | |
687 | ||
688 | /* Entry for DIMM */ | |
689 | drc = spapr_drc_by_id(TYPE_SPAPR_DRC_LMB, addr / lmb_size); | |
690 | g_assert(drc); | |
691 | elem = spapr_get_drconf_cell(size / lmb_size, addr, | |
692 | spapr_drc_index(drc), node, | |
693 | SPAPR_LMB_FLAGS_ASSIGNED); | |
694 | QSIMPLEQ_INSERT_TAIL(&drconf_queue, elem, entry); | |
695 | nr_entries++; | |
696 | cur_addr = addr + size; | |
697 | } | |
698 | ||
699 | /* Entry for remaining hotpluggable area */ | |
700 | if (cur_addr < mem_end) { | |
701 | drc = spapr_drc_by_id(TYPE_SPAPR_DRC_LMB, cur_addr / lmb_size); | |
702 | g_assert(drc); | |
703 | elem = spapr_get_drconf_cell((mem_end - cur_addr) / lmb_size, | |
704 | cur_addr, spapr_drc_index(drc), -1, 0); | |
705 | QSIMPLEQ_INSERT_TAIL(&drconf_queue, elem, entry); | |
706 | nr_entries++; | |
707 | } | |
708 | ||
709 | buf_len = nr_entries * sizeof(struct sPAPRDrconfCellV2) + sizeof(uint32_t); | |
710 | int_buf = cur_index = g_malloc0(buf_len); | |
711 | *(uint32_t *)int_buf = cpu_to_be32(nr_entries); | |
712 | cur_index += sizeof(nr_entries); | |
713 | ||
714 | QSIMPLEQ_FOREACH_SAFE(elem, &drconf_queue, entry, next) { | |
715 | memcpy(cur_index, &elem->cell, sizeof(elem->cell)); | |
716 | cur_index += sizeof(elem->cell); | |
717 | QSIMPLEQ_REMOVE(&drconf_queue, elem, DrconfCellQueue, entry); | |
718 | g_free(elem); | |
719 | } | |
720 | ||
721 | ret = fdt_setprop(fdt, offset, "ibm,dynamic-memory-v2", int_buf, buf_len); | |
722 | g_free(int_buf); | |
723 | if (ret < 0) { | |
724 | return -1; | |
725 | } | |
726 | return 0; | |
727 | } | |
728 | ||
729 | /* ibm,dynamic-memory */ | |
ce2918cb | 730 | static int spapr_populate_drmem_v1(SpaprMachineState *spapr, void *fdt, |
a324d6f1 BR |
731 | int offset, MemoryDeviceInfoList *dimms) |
732 | { | |
b0c14ec4 | 733 | MachineState *machine = MACHINE(spapr); |
a324d6f1 | 734 | int i, ret; |
03d196b7 | 735 | uint64_t lmb_size = SPAPR_MEMORY_BLOCK_SIZE; |
0c9269a5 | 736 | uint32_t device_lmb_start = machine->device_memory->base / lmb_size; |
b0c14ec4 DH |
737 | uint32_t nr_lmbs = (machine->device_memory->base + |
738 | memory_region_size(&machine->device_memory->mr)) / | |
d0e5a8f2 | 739 | lmb_size; |
03d196b7 | 740 | uint32_t *int_buf, *cur_index, buf_len; |
16c25aef | 741 | |
ef001f06 TH |
742 | /* |
743 | * Allocate enough buffer size to fit in ibm,dynamic-memory | |
ef001f06 | 744 | */ |
a324d6f1 | 745 | buf_len = (nr_lmbs * SPAPR_DR_LMB_LIST_ENTRY_SIZE + 1) * sizeof(uint32_t); |
03d196b7 | 746 | cur_index = int_buf = g_malloc0(buf_len); |
03d196b7 BR |
747 | int_buf[0] = cpu_to_be32(nr_lmbs); |
748 | cur_index++; | |
749 | for (i = 0; i < nr_lmbs; i++) { | |
d0e5a8f2 | 750 | uint64_t addr = i * lmb_size; |
03d196b7 BR |
751 | uint32_t *dynamic_memory = cur_index; |
752 | ||
0c9269a5 | 753 | if (i >= device_lmb_start) { |
ce2918cb | 754 | SpaprDrc *drc; |
d0e5a8f2 | 755 | |
fbf55397 | 756 | drc = spapr_drc_by_id(TYPE_SPAPR_DRC_LMB, i); |
d0e5a8f2 | 757 | g_assert(drc); |
d0e5a8f2 BR |
758 | |
759 | dynamic_memory[0] = cpu_to_be32(addr >> 32); | |
760 | dynamic_memory[1] = cpu_to_be32(addr & 0xffffffff); | |
0b55aa91 | 761 | dynamic_memory[2] = cpu_to_be32(spapr_drc_index(drc)); |
d0e5a8f2 | 762 | dynamic_memory[3] = cpu_to_be32(0); /* reserved */ |
f47bd1c8 | 763 | dynamic_memory[4] = cpu_to_be32(spapr_pc_dimm_node(dimms, addr)); |
d0e5a8f2 BR |
764 | if (memory_region_present(get_system_memory(), addr)) { |
765 | dynamic_memory[5] = cpu_to_be32(SPAPR_LMB_FLAGS_ASSIGNED); | |
766 | } else { | |
767 | dynamic_memory[5] = cpu_to_be32(0); | |
768 | } | |
03d196b7 | 769 | } else { |
d0e5a8f2 BR |
770 | /* |
771 | * LMB information for RMA, boot time RAM and gap b/n RAM and | |
0c9269a5 | 772 | * device memory region -- all these are marked as reserved |
d0e5a8f2 BR |
773 | * and as having no valid DRC. |
774 | */ | |
775 | dynamic_memory[0] = cpu_to_be32(addr >> 32); | |
776 | dynamic_memory[1] = cpu_to_be32(addr & 0xffffffff); | |
777 | dynamic_memory[2] = cpu_to_be32(0); | |
778 | dynamic_memory[3] = cpu_to_be32(0); /* reserved */ | |
779 | dynamic_memory[4] = cpu_to_be32(-1); | |
780 | dynamic_memory[5] = cpu_to_be32(SPAPR_LMB_FLAGS_RESERVED | | |
781 | SPAPR_LMB_FLAGS_DRC_INVALID); | |
03d196b7 BR |
782 | } |
783 | ||
784 | cur_index += SPAPR_DR_LMB_LIST_ENTRY_SIZE; | |
785 | } | |
786 | ret = fdt_setprop(fdt, offset, "ibm,dynamic-memory", int_buf, buf_len); | |
a324d6f1 | 787 | g_free(int_buf); |
03d196b7 | 788 | if (ret < 0) { |
a324d6f1 BR |
789 | return -1; |
790 | } | |
791 | return 0; | |
792 | } | |
793 | ||
794 | /* | |
795 | * Adds ibm,dynamic-reconfiguration-memory node. | |
796 | * Refer to docs/specs/ppc-spapr-hotplug.txt for the documentation | |
797 | * of this device tree node. | |
798 | */ | |
ce2918cb | 799 | static int spapr_populate_drconf_memory(SpaprMachineState *spapr, void *fdt) |
a324d6f1 BR |
800 | { |
801 | MachineState *machine = MACHINE(spapr); | |
aa570207 | 802 | int nb_numa_nodes = machine->numa_state->num_nodes; |
a324d6f1 BR |
803 | int ret, i, offset; |
804 | uint64_t lmb_size = SPAPR_MEMORY_BLOCK_SIZE; | |
805 | uint32_t prop_lmb_size[] = {0, cpu_to_be32(lmb_size)}; | |
806 | uint32_t *int_buf, *cur_index, buf_len; | |
807 | int nr_nodes = nb_numa_nodes ? nb_numa_nodes : 1; | |
808 | MemoryDeviceInfoList *dimms = NULL; | |
809 | ||
810 | /* | |
0c9269a5 | 811 | * Don't create the node if there is no device memory |
a324d6f1 BR |
812 | */ |
813 | if (machine->ram_size == machine->maxram_size) { | |
814 | return 0; | |
815 | } | |
816 | ||
817 | offset = fdt_add_subnode(fdt, 0, "ibm,dynamic-reconfiguration-memory"); | |
818 | ||
819 | ret = fdt_setprop(fdt, offset, "ibm,lmb-size", prop_lmb_size, | |
820 | sizeof(prop_lmb_size)); | |
821 | if (ret < 0) { | |
822 | return ret; | |
823 | } | |
824 | ||
825 | ret = fdt_setprop_cell(fdt, offset, "ibm,memory-flags-mask", 0xff); | |
826 | if (ret < 0) { | |
827 | return ret; | |
828 | } | |
829 | ||
830 | ret = fdt_setprop_cell(fdt, offset, "ibm,memory-preservation-time", 0x0); | |
831 | if (ret < 0) { | |
832 | return ret; | |
833 | } | |
834 | ||
835 | /* ibm,dynamic-memory or ibm,dynamic-memory-v2 */ | |
2cc0e2e8 | 836 | dimms = qmp_memory_device_list(); |
a324d6f1 BR |
837 | if (spapr_ovec_test(spapr->ov5_cas, OV5_DRMEM_V2)) { |
838 | ret = spapr_populate_drmem_v2(spapr, fdt, offset, dimms); | |
839 | } else { | |
840 | ret = spapr_populate_drmem_v1(spapr, fdt, offset, dimms); | |
841 | } | |
842 | qapi_free_MemoryDeviceInfoList(dimms); | |
843 | ||
844 | if (ret < 0) { | |
845 | return ret; | |
03d196b7 BR |
846 | } |
847 | ||
848 | /* ibm,associativity-lookup-arrays */ | |
a324d6f1 BR |
849 | buf_len = (nr_nodes * 4 + 2) * sizeof(uint32_t); |
850 | cur_index = int_buf = g_malloc0(buf_len); | |
6663864e | 851 | int_buf[0] = cpu_to_be32(nr_nodes); |
03d196b7 BR |
852 | int_buf[1] = cpu_to_be32(4); /* Number of entries per associativity list */ |
853 | cur_index += 2; | |
6663864e | 854 | for (i = 0; i < nr_nodes; i++) { |
03d196b7 BR |
855 | uint32_t associativity[] = { |
856 | cpu_to_be32(0x0), | |
857 | cpu_to_be32(0x0), | |
858 | cpu_to_be32(0x0), | |
859 | cpu_to_be32(i) | |
860 | }; | |
861 | memcpy(cur_index, associativity, sizeof(associativity)); | |
862 | cur_index += 4; | |
863 | } | |
864 | ret = fdt_setprop(fdt, offset, "ibm,associativity-lookup-arrays", int_buf, | |
865 | (cur_index - int_buf) * sizeof(uint32_t)); | |
03d196b7 | 866 | g_free(int_buf); |
a324d6f1 | 867 | |
03d196b7 BR |
868 | return ret; |
869 | } | |
870 | ||
ce2918cb DG |
871 | static int spapr_dt_cas_updates(SpaprMachineState *spapr, void *fdt, |
872 | SpaprOptionVector *ov5_updates) | |
6787d27b | 873 | { |
ce2918cb | 874 | SpaprMachineClass *smc = SPAPR_MACHINE_GET_CLASS(spapr); |
417ece33 | 875 | int ret = 0, offset; |
6787d27b MR |
876 | |
877 | /* Generate ibm,dynamic-reconfiguration-memory node if required */ | |
878 | if (spapr_ovec_test(ov5_updates, OV5_DRCONF_MEMORY)) { | |
879 | g_assert(smc->dr_lmb_enabled); | |
880 | ret = spapr_populate_drconf_memory(spapr, fdt); | |
417ece33 MR |
881 | if (ret) { |
882 | goto out; | |
883 | } | |
6787d27b MR |
884 | } |
885 | ||
417ece33 MR |
886 | offset = fdt_path_offset(fdt, "/chosen"); |
887 | if (offset < 0) { | |
888 | offset = fdt_add_subnode(fdt, 0, "chosen"); | |
889 | if (offset < 0) { | |
890 | return offset; | |
891 | } | |
892 | } | |
893 | ret = spapr_ovec_populate_dt(fdt, offset, spapr->ov5_cas, | |
894 | "ibm,architecture-vec-5"); | |
895 | ||
896 | out: | |
6787d27b MR |
897 | return ret; |
898 | } | |
899 | ||
10f12e64 DHB |
900 | static bool spapr_hotplugged_dev_before_cas(void) |
901 | { | |
902 | Object *drc_container, *obj; | |
903 | ObjectProperty *prop; | |
904 | ObjectPropertyIterator iter; | |
905 | ||
906 | drc_container = container_get(object_get_root(), "/dr-connector"); | |
907 | object_property_iter_init(&iter, drc_container); | |
908 | while ((prop = object_property_iter_next(&iter))) { | |
909 | if (!strstart(prop->type, "link<", NULL)) { | |
910 | continue; | |
911 | } | |
912 | obj = object_property_get_link(drc_container, prop->name, NULL); | |
913 | if (spapr_drc_needed(obj)) { | |
914 | return true; | |
915 | } | |
916 | } | |
917 | return false; | |
918 | } | |
919 | ||
a49f62b9 | 920 | static void *spapr_build_fdt(SpaprMachineState *spapr, bool reset); |
e68cd0cb | 921 | |
ce2918cb | 922 | int spapr_h_cas_compose_response(SpaprMachineState *spapr, |
03d196b7 | 923 | target_ulong addr, target_ulong size, |
ce2918cb | 924 | SpaprOptionVector *ov5_updates) |
03d196b7 | 925 | { |
e68cd0cb | 926 | void *fdt; |
ce2918cb | 927 | SpaprDeviceTreeUpdateHeader hdr = { .version_id = 1 }; |
03d196b7 | 928 | |
10f12e64 DHB |
929 | if (spapr_hotplugged_dev_before_cas()) { |
930 | return 1; | |
931 | } | |
932 | ||
827b17c4 GK |
933 | if (size < sizeof(hdr) || size > FW_MAX_SIZE) { |
934 | error_report("SLOF provided an unexpected CAS buffer size " | |
935 | TARGET_FMT_lu " (min: %zu, max: %u)", | |
936 | size, sizeof(hdr), FW_MAX_SIZE); | |
937 | exit(EXIT_FAILURE); | |
938 | } | |
939 | ||
03d196b7 BR |
940 | size -= sizeof(hdr); |
941 | ||
a49f62b9 | 942 | fdt = spapr_build_fdt(spapr, false); |
03d196b7 BR |
943 | _FDT((fdt_pack(fdt))); |
944 | ||
945 | if (fdt_totalsize(fdt) + sizeof(hdr) > size) { | |
f767b1ac | 946 | g_free(fdt); |
03d196b7 BR |
947 | trace_spapr_cas_failed(size); |
948 | return -1; | |
949 | } | |
950 | ||
951 | cpu_physical_memory_write(addr, &hdr, sizeof(hdr)); | |
952 | cpu_physical_memory_write(addr + sizeof(hdr), fdt, fdt_totalsize(fdt)); | |
953 | trace_spapr_cas_continue(fdt_totalsize(fdt) + sizeof(hdr)); | |
e68cd0cb AK |
954 | |
955 | g_free(spapr->fdt_blob); | |
956 | spapr->fdt_size = fdt_totalsize(fdt); | |
957 | spapr->fdt_initial_size = spapr->fdt_size; | |
958 | spapr->fdt_blob = fdt; | |
03d196b7 BR |
959 | |
960 | return 0; | |
961 | } | |
962 | ||
ce2918cb | 963 | static void spapr_dt_rtas(SpaprMachineState *spapr, void *fdt) |
3f5dabce | 964 | { |
fe6b6346 | 965 | MachineState *ms = MACHINE(spapr); |
3f5dabce DG |
966 | int rtas; |
967 | GString *hypertas = g_string_sized_new(256); | |
968 | GString *qemu_hypertas = g_string_sized_new(256); | |
969 | uint32_t refpoints[] = { cpu_to_be32(0x4), cpu_to_be32(0x4) }; | |
0c9269a5 | 970 | uint64_t max_device_addr = MACHINE(spapr)->device_memory->base + |
b0c14ec4 | 971 | memory_region_size(&MACHINE(spapr)->device_memory->mr); |
3f5dabce | 972 | uint32_t lrdr_capacity[] = { |
0c9269a5 DH |
973 | cpu_to_be32(max_device_addr >> 32), |
974 | cpu_to_be32(max_device_addr & 0xffffffff), | |
3f5dabce | 975 | 0, cpu_to_be32(SPAPR_MEMORY_BLOCK_SIZE), |
fe6b6346 | 976 | cpu_to_be32(ms->smp.max_cpus / ms->smp.threads), |
3f5dabce | 977 | }; |
ec132efa | 978 | uint32_t maxdomain = cpu_to_be32(spapr->gpu_numa_id > 1 ? 1 : 0); |
da9f80fb SP |
979 | uint32_t maxdomains[] = { |
980 | cpu_to_be32(4), | |
ec132efa AK |
981 | maxdomain, |
982 | maxdomain, | |
983 | maxdomain, | |
984 | cpu_to_be32(spapr->gpu_numa_id), | |
da9f80fb | 985 | }; |
3f5dabce DG |
986 | |
987 | _FDT(rtas = fdt_add_subnode(fdt, 0, "rtas")); | |
988 | ||
989 | /* hypertas */ | |
990 | add_str(hypertas, "hcall-pft"); | |
991 | add_str(hypertas, "hcall-term"); | |
992 | add_str(hypertas, "hcall-dabr"); | |
993 | add_str(hypertas, "hcall-interrupt"); | |
994 | add_str(hypertas, "hcall-tce"); | |
995 | add_str(hypertas, "hcall-vio"); | |
996 | add_str(hypertas, "hcall-splpar"); | |
10741314 | 997 | add_str(hypertas, "hcall-join"); |
3f5dabce DG |
998 | add_str(hypertas, "hcall-bulk"); |
999 | add_str(hypertas, "hcall-set-mode"); | |
1000 | add_str(hypertas, "hcall-sprg0"); | |
1001 | add_str(hypertas, "hcall-copy"); | |
1002 | add_str(hypertas, "hcall-debug"); | |
c24ba3d0 | 1003 | add_str(hypertas, "hcall-vphn"); |
3f5dabce DG |
1004 | add_str(qemu_hypertas, "hcall-memop1"); |
1005 | ||
1006 | if (!kvm_enabled() || kvmppc_spapr_use_multitce()) { | |
1007 | add_str(hypertas, "hcall-multi-tce"); | |
1008 | } | |
30f4b05b DG |
1009 | |
1010 | if (spapr->resize_hpt != SPAPR_RESIZE_HPT_DISABLED) { | |
1011 | add_str(hypertas, "hcall-hpt-resize"); | |
1012 | } | |
1013 | ||
3f5dabce DG |
1014 | _FDT(fdt_setprop(fdt, rtas, "ibm,hypertas-functions", |
1015 | hypertas->str, hypertas->len)); | |
1016 | g_string_free(hypertas, TRUE); | |
1017 | _FDT(fdt_setprop(fdt, rtas, "qemu,hypertas-functions", | |
1018 | qemu_hypertas->str, qemu_hypertas->len)); | |
1019 | g_string_free(qemu_hypertas, TRUE); | |
1020 | ||
1021 | _FDT(fdt_setprop(fdt, rtas, "ibm,associativity-reference-points", | |
1022 | refpoints, sizeof(refpoints))); | |
1023 | ||
da9f80fb SP |
1024 | _FDT(fdt_setprop(fdt, rtas, "ibm,max-associativity-domains", |
1025 | maxdomains, sizeof(maxdomains))); | |
1026 | ||
3f5dabce DG |
1027 | _FDT(fdt_setprop_cell(fdt, rtas, "rtas-error-log-max", |
1028 | RTAS_ERROR_LOG_MAX)); | |
1029 | _FDT(fdt_setprop_cell(fdt, rtas, "rtas-event-scan-rate", | |
1030 | RTAS_EVENT_SCAN_RATE)); | |
1031 | ||
4f441474 DG |
1032 | g_assert(msi_nonbroken); |
1033 | _FDT(fdt_setprop(fdt, rtas, "ibm,change-msix-capable", NULL, 0)); | |
3f5dabce DG |
1034 | |
1035 | /* | |
1036 | * According to PAPR, rtas ibm,os-term does not guarantee a return | |
1037 | * back to the guest cpu. | |
1038 | * | |
1039 | * While an additional ibm,extended-os-term property indicates | |
1040 | * that rtas call return will always occur. Set this property. | |
1041 | */ | |
1042 | _FDT(fdt_setprop(fdt, rtas, "ibm,extended-os-term", NULL, 0)); | |
1043 | ||
1044 | _FDT(fdt_setprop(fdt, rtas, "ibm,lrdr-capacity", | |
1045 | lrdr_capacity, sizeof(lrdr_capacity))); | |
1046 | ||
1047 | spapr_dt_rtas_tokens(fdt, rtas); | |
1048 | } | |
1049 | ||
db592b5b CLG |
1050 | /* |
1051 | * Prepare ibm,arch-vec-5-platform-support, which indicates the MMU | |
1052 | * and the XIVE features that the guest may request and thus the valid | |
1053 | * values for bytes 23..26 of option vector 5: | |
1054 | */ | |
ce2918cb | 1055 | static void spapr_dt_ov5_platform_support(SpaprMachineState *spapr, void *fdt, |
db592b5b | 1056 | int chosen) |
9fb4541f | 1057 | { |
545d6e2b SJS |
1058 | PowerPCCPU *first_ppc_cpu = POWERPC_CPU(first_cpu); |
1059 | ||
f2b14e3a | 1060 | char val[2 * 4] = { |
ca62823b | 1061 | 23, 0x00, /* XICS / XIVE mode */ |
9fb4541f SB |
1062 | 24, 0x00, /* Hash/Radix, filled in below. */ |
1063 | 25, 0x00, /* Hash options: Segment Tables == no, GTSE == no. */ | |
1064 | 26, 0x40, /* Radix options: GTSE == yes. */ | |
1065 | }; | |
1066 | ||
ca62823b DG |
1067 | if (spapr->irq->xics && spapr->irq->xive) { |
1068 | val[1] = SPAPR_OV5_XIVE_BOTH; | |
1069 | } else if (spapr->irq->xive) { | |
1070 | val[1] = SPAPR_OV5_XIVE_EXPLOIT; | |
1071 | } else { | |
1072 | assert(spapr->irq->xics); | |
1073 | val[1] = SPAPR_OV5_XIVE_LEGACY; | |
1074 | } | |
1075 | ||
7abd43ba SJS |
1076 | if (!ppc_check_compat(first_ppc_cpu, CPU_POWERPC_LOGICAL_3_00, 0, |
1077 | first_ppc_cpu->compat_pvr)) { | |
db592b5b CLG |
1078 | /* |
1079 | * If we're in a pre POWER9 compat mode then the guest should | |
1080 | * do hash and use the legacy interrupt mode | |
1081 | */ | |
ca62823b | 1082 | val[1] = SPAPR_OV5_XIVE_LEGACY; /* XICS */ |
7abd43ba SJS |
1083 | val[3] = 0x00; /* Hash */ |
1084 | } else if (kvm_enabled()) { | |
9fb4541f | 1085 | if (kvmppc_has_cap_mmu_radix() && kvmppc_has_cap_mmu_hash_v3()) { |
f2b14e3a | 1086 | val[3] = 0x80; /* OV5_MMU_BOTH */ |
9fb4541f | 1087 | } else if (kvmppc_has_cap_mmu_radix()) { |
f2b14e3a | 1088 | val[3] = 0x40; /* OV5_MMU_RADIX_300 */ |
9fb4541f | 1089 | } else { |
f2b14e3a | 1090 | val[3] = 0x00; /* Hash */ |
9fb4541f SB |
1091 | } |
1092 | } else { | |
7abd43ba SJS |
1093 | /* V3 MMU supports both hash and radix in tcg (with dynamic switching) */ |
1094 | val[3] = 0xC0; | |
9fb4541f SB |
1095 | } |
1096 | _FDT(fdt_setprop(fdt, chosen, "ibm,arch-vec-5-platform-support", | |
1097 | val, sizeof(val))); | |
1098 | } | |
1099 | ||
ce2918cb | 1100 | static void spapr_dt_chosen(SpaprMachineState *spapr, void *fdt) |
7c866c6a DG |
1101 | { |
1102 | MachineState *machine = MACHINE(spapr); | |
6c3829a2 | 1103 | SpaprMachineClass *smc = SPAPR_MACHINE_GET_CLASS(machine); |
7c866c6a DG |
1104 | int chosen; |
1105 | const char *boot_device = machine->boot_order; | |
1106 | char *stdout_path = spapr_vio_stdout_path(spapr->vio_bus); | |
1107 | size_t cb = 0; | |
907aac2f | 1108 | char *bootlist = get_boot_devices_list(&cb); |
7c866c6a DG |
1109 | |
1110 | _FDT(chosen = fdt_add_subnode(fdt, 0, "chosen")); | |
1111 | ||
5ced7895 AK |
1112 | if (machine->kernel_cmdline && machine->kernel_cmdline[0]) { |
1113 | _FDT(fdt_setprop_string(fdt, chosen, "bootargs", | |
1114 | machine->kernel_cmdline)); | |
1115 | } | |
1116 | if (spapr->initrd_size) { | |
1117 | _FDT(fdt_setprop_cell(fdt, chosen, "linux,initrd-start", | |
1118 | spapr->initrd_base)); | |
1119 | _FDT(fdt_setprop_cell(fdt, chosen, "linux,initrd-end", | |
1120 | spapr->initrd_base + spapr->initrd_size)); | |
1121 | } | |
7c866c6a DG |
1122 | |
1123 | if (spapr->kernel_size) { | |
1124 | uint64_t kprop[2] = { cpu_to_be64(KERNEL_LOAD_ADDR), | |
1125 | cpu_to_be64(spapr->kernel_size) }; | |
1126 | ||
1127 | _FDT(fdt_setprop(fdt, chosen, "qemu,boot-kernel", | |
1128 | &kprop, sizeof(kprop))); | |
1129 | if (spapr->kernel_le) { | |
1130 | _FDT(fdt_setprop(fdt, chosen, "qemu,boot-kernel-le", NULL, 0)); | |
1131 | } | |
1132 | } | |
1133 | if (boot_menu) { | |
1134 | _FDT((fdt_setprop_cell(fdt, chosen, "qemu,boot-menu", boot_menu))); | |
1135 | } | |
1136 | _FDT(fdt_setprop_cell(fdt, chosen, "qemu,graphic-width", graphic_width)); | |
1137 | _FDT(fdt_setprop_cell(fdt, chosen, "qemu,graphic-height", graphic_height)); | |
1138 | _FDT(fdt_setprop_cell(fdt, chosen, "qemu,graphic-depth", graphic_depth)); | |
1139 | ||
1140 | if (cb && bootlist) { | |
1141 | int i; | |
1142 | ||
1143 | for (i = 0; i < cb; i++) { | |
1144 | if (bootlist[i] == '\n') { | |
1145 | bootlist[i] = ' '; | |
1146 | } | |
1147 | } | |
1148 | _FDT(fdt_setprop_string(fdt, chosen, "qemu,boot-list", bootlist)); | |
1149 | } | |
1150 | ||
1151 | if (boot_device && strlen(boot_device)) { | |
1152 | _FDT(fdt_setprop_string(fdt, chosen, "qemu,boot-device", boot_device)); | |
1153 | } | |
1154 | ||
1155 | if (!spapr->has_graphics && stdout_path) { | |
90ee4e01 ND |
1156 | /* |
1157 | * "linux,stdout-path" and "stdout" properties are deprecated by linux | |
1158 | * kernel. New platforms should only use the "stdout-path" property. Set | |
1159 | * the new property and continue using older property to remain | |
1160 | * compatible with the existing firmware. | |
1161 | */ | |
7c866c6a | 1162 | _FDT(fdt_setprop_string(fdt, chosen, "linux,stdout-path", stdout_path)); |
90ee4e01 | 1163 | _FDT(fdt_setprop_string(fdt, chosen, "stdout-path", stdout_path)); |
7c866c6a DG |
1164 | } |
1165 | ||
6c3829a2 AK |
1166 | /* We can deal with BAR reallocation just fine, advertise it to the guest */ |
1167 | if (smc->linux_pci_probe) { | |
1168 | _FDT(fdt_setprop_cell(fdt, chosen, "linux,pci-probe-only", 0)); | |
1169 | } | |
1170 | ||
db592b5b | 1171 | spapr_dt_ov5_platform_support(spapr, fdt, chosen); |
9fb4541f | 1172 | |
7c866c6a DG |
1173 | g_free(stdout_path); |
1174 | g_free(bootlist); | |
1175 | } | |
1176 | ||
ce2918cb | 1177 | static void spapr_dt_hypervisor(SpaprMachineState *spapr, void *fdt) |
fca5f2dc DG |
1178 | { |
1179 | /* The /hypervisor node isn't in PAPR - this is a hack to allow PR | |
1180 | * KVM to work under pHyp with some guest co-operation */ | |
1181 | int hypervisor; | |
1182 | uint8_t hypercall[16]; | |
1183 | ||
1184 | _FDT(hypervisor = fdt_add_subnode(fdt, 0, "hypervisor")); | |
1185 | /* indicate KVM hypercall interface */ | |
1186 | _FDT(fdt_setprop_string(fdt, hypervisor, "compatible", "linux,kvm")); | |
1187 | if (kvmppc_has_cap_fixup_hcalls()) { | |
1188 | /* | |
1189 | * Older KVM versions with older guest kernels were broken | |
1190 | * with the magic page, don't allow the guest to map it. | |
1191 | */ | |
1192 | if (!kvmppc_get_hypercall(first_cpu->env_ptr, hypercall, | |
1193 | sizeof(hypercall))) { | |
1194 | _FDT(fdt_setprop(fdt, hypervisor, "hcall-instructions", | |
1195 | hypercall, sizeof(hypercall))); | |
1196 | } | |
1197 | } | |
1198 | } | |
1199 | ||
a49f62b9 | 1200 | static void *spapr_build_fdt(SpaprMachineState *spapr, bool reset) |
a3467baa | 1201 | { |
c86c1aff | 1202 | MachineState *machine = MACHINE(spapr); |
3c0c47e3 | 1203 | MachineClass *mc = MACHINE_GET_CLASS(machine); |
ce2918cb | 1204 | SpaprMachineClass *smc = SPAPR_MACHINE_GET_CLASS(machine); |
7c866c6a | 1205 | int ret; |
a3467baa | 1206 | void *fdt; |
ce2918cb | 1207 | SpaprPhbState *phb; |
398a0bd5 | 1208 | char *buf; |
a3467baa | 1209 | |
398a0bd5 DG |
1210 | fdt = g_malloc0(FDT_MAX_SIZE); |
1211 | _FDT((fdt_create_empty_tree(fdt, FDT_MAX_SIZE))); | |
a3467baa | 1212 | |
398a0bd5 DG |
1213 | /* Root node */ |
1214 | _FDT(fdt_setprop_string(fdt, 0, "device_type", "chrp")); | |
1215 | _FDT(fdt_setprop_string(fdt, 0, "model", "IBM pSeries (emulated by qemu)")); | |
1216 | _FDT(fdt_setprop_string(fdt, 0, "compatible", "qemu,pseries")); | |
1217 | ||
0a794529 | 1218 | /* Guest UUID & Name*/ |
398a0bd5 | 1219 | buf = qemu_uuid_unparse_strdup(&qemu_uuid); |
398a0bd5 DG |
1220 | _FDT(fdt_setprop_string(fdt, 0, "vm,uuid", buf)); |
1221 | if (qemu_uuid_set) { | |
1222 | _FDT(fdt_setprop_string(fdt, 0, "system-id", buf)); | |
1223 | } | |
1224 | g_free(buf); | |
1225 | ||
1226 | if (qemu_get_vm_name()) { | |
1227 | _FDT(fdt_setprop_string(fdt, 0, "ibm,partition-name", | |
1228 | qemu_get_vm_name())); | |
1229 | } | |
1230 | ||
0a794529 DG |
1231 | /* Host Model & Serial Number */ |
1232 | if (spapr->host_model) { | |
1233 | _FDT(fdt_setprop_string(fdt, 0, "host-model", spapr->host_model)); | |
1234 | } else if (smc->broken_host_serial_model && kvmppc_get_host_model(&buf)) { | |
1235 | _FDT(fdt_setprop_string(fdt, 0, "host-model", buf)); | |
1236 | g_free(buf); | |
1237 | } | |
1238 | ||
1239 | if (spapr->host_serial) { | |
1240 | _FDT(fdt_setprop_string(fdt, 0, "host-serial", spapr->host_serial)); | |
1241 | } else if (smc->broken_host_serial_model && kvmppc_get_host_serial(&buf)) { | |
1242 | _FDT(fdt_setprop_string(fdt, 0, "host-serial", buf)); | |
1243 | g_free(buf); | |
1244 | } | |
1245 | ||
398a0bd5 DG |
1246 | _FDT(fdt_setprop_cell(fdt, 0, "#address-cells", 2)); |
1247 | _FDT(fdt_setprop_cell(fdt, 0, "#size-cells", 2)); | |
4040ab72 | 1248 | |
fc7e0765 | 1249 | /* /interrupt controller */ |
05289273 | 1250 | spapr_irq_dt(spapr, spapr_max_server_number(spapr), fdt, PHANDLE_INTC); |
fc7e0765 | 1251 | |
e8f986fc BR |
1252 | ret = spapr_populate_memory(spapr, fdt); |
1253 | if (ret < 0) { | |
ce9863b7 | 1254 | error_report("couldn't setup memory nodes in fdt"); |
e8f986fc | 1255 | exit(1); |
7f763a5d DG |
1256 | } |
1257 | ||
bf5a6696 DG |
1258 | /* /vdevice */ |
1259 | spapr_dt_vdevice(spapr->vio_bus, fdt); | |
4040ab72 | 1260 | |
4d9392be TH |
1261 | if (object_resolve_path_type("", TYPE_SPAPR_RNG, NULL)) { |
1262 | ret = spapr_rng_populate_dt(fdt); | |
1263 | if (ret < 0) { | |
ce9863b7 | 1264 | error_report("could not set up rng device in the fdt"); |
4d9392be TH |
1265 | exit(1); |
1266 | } | |
1267 | } | |
1268 | ||
3384f95c | 1269 | QLIST_FOREACH(phb, &spapr->phbs, list) { |
8cbe71ec | 1270 | ret = spapr_dt_phb(spapr, phb, PHANDLE_INTC, fdt, NULL); |
da34fed7 TH |
1271 | if (ret < 0) { |
1272 | error_report("couldn't setup PCI devices in fdt"); | |
1273 | exit(1); | |
1274 | } | |
3384f95c DG |
1275 | } |
1276 | ||
0da6f3fe BR |
1277 | /* cpus */ |
1278 | spapr_populate_cpus_dt_node(fdt, spapr); | |
6e806cc3 | 1279 | |
c20d332a | 1280 | if (smc->dr_lmb_enabled) { |
9e7d38e8 | 1281 | _FDT(spapr_dt_drc(fdt, 0, NULL, SPAPR_DR_CONNECTOR_TYPE_LMB)); |
c20d332a BR |
1282 | } |
1283 | ||
c5514d0e | 1284 | if (mc->has_hotpluggable_cpus) { |
af81cf32 | 1285 | int offset = fdt_path_offset(fdt, "/cpus"); |
9e7d38e8 | 1286 | ret = spapr_dt_drc(fdt, offset, NULL, SPAPR_DR_CONNECTOR_TYPE_CPU); |
af81cf32 BR |
1287 | if (ret < 0) { |
1288 | error_report("Couldn't set up CPU DR device tree properties"); | |
1289 | exit(1); | |
1290 | } | |
1291 | } | |
1292 | ||
ffb1e275 | 1293 | /* /event-sources */ |
ffbb1705 | 1294 | spapr_dt_events(spapr, fdt); |
ffb1e275 | 1295 | |
3f5dabce DG |
1296 | /* /rtas */ |
1297 | spapr_dt_rtas(spapr, fdt); | |
1298 | ||
7c866c6a | 1299 | /* /chosen */ |
a49f62b9 AK |
1300 | if (reset) { |
1301 | spapr_dt_chosen(spapr, fdt); | |
1302 | } | |
cf6e5223 | 1303 | |
fca5f2dc DG |
1304 | /* /hypervisor */ |
1305 | if (kvm_enabled()) { | |
1306 | spapr_dt_hypervisor(spapr, fdt); | |
1307 | } | |
1308 | ||
cf6e5223 | 1309 | /* Build memory reserve map */ |
a49f62b9 AK |
1310 | if (reset) { |
1311 | if (spapr->kernel_size) { | |
1312 | _FDT((fdt_add_mem_rsv(fdt, KERNEL_LOAD_ADDR, spapr->kernel_size))); | |
1313 | } | |
1314 | if (spapr->initrd_size) { | |
1315 | _FDT((fdt_add_mem_rsv(fdt, spapr->initrd_base, | |
1316 | spapr->initrd_size))); | |
1317 | } | |
cf6e5223 DG |
1318 | } |
1319 | ||
6787d27b MR |
1320 | /* ibm,client-architecture-support updates */ |
1321 | ret = spapr_dt_cas_updates(spapr, fdt, spapr->ov5_cas); | |
1322 | if (ret < 0) { | |
1323 | error_report("couldn't setup CAS properties fdt"); | |
1324 | exit(1); | |
1325 | } | |
1326 | ||
3998ccd0 | 1327 | if (smc->dr_phb_enabled) { |
9e7d38e8 | 1328 | ret = spapr_dt_drc(fdt, 0, NULL, SPAPR_DR_CONNECTOR_TYPE_PHB); |
3998ccd0 NF |
1329 | if (ret < 0) { |
1330 | error_report("Couldn't set up PHB DR device tree properties"); | |
1331 | exit(1); | |
1332 | } | |
1333 | } | |
1334 | ||
997b6cfc | 1335 | return fdt; |
9fdf0c29 DG |
1336 | } |
1337 | ||
1338 | static uint64_t translate_kernel_address(void *opaque, uint64_t addr) | |
1339 | { | |
1340 | return (addr & 0x0fffffff) + KERNEL_LOAD_ADDR; | |
1341 | } | |
1342 | ||
1d1be34d DG |
1343 | static void emulate_spapr_hypercall(PPCVirtualHypervisor *vhyp, |
1344 | PowerPCCPU *cpu) | |
9fdf0c29 | 1345 | { |
1b14670a AF |
1346 | CPUPPCState *env = &cpu->env; |
1347 | ||
8d04fb55 JK |
1348 | /* The TCG path should also be holding the BQL at this point */ |
1349 | g_assert(qemu_mutex_iothread_locked()); | |
1350 | ||
efcb9383 DG |
1351 | if (msr_pr) { |
1352 | hcall_dprintf("Hypercall made with MSR[PR]=1\n"); | |
1353 | env->gpr[3] = H_PRIVILEGE; | |
1354 | } else { | |
aa100fa4 | 1355 | env->gpr[3] = spapr_hypercall(cpu, env->gpr[3], &env->gpr[4]); |
efcb9383 | 1356 | } |
9fdf0c29 DG |
1357 | } |
1358 | ||
00fd075e BH |
1359 | struct LPCRSyncState { |
1360 | target_ulong value; | |
1361 | target_ulong mask; | |
1362 | }; | |
1363 | ||
1364 | static void do_lpcr_sync(CPUState *cs, run_on_cpu_data arg) | |
1365 | { | |
1366 | struct LPCRSyncState *s = arg.host_ptr; | |
1367 | PowerPCCPU *cpu = POWERPC_CPU(cs); | |
1368 | CPUPPCState *env = &cpu->env; | |
1369 | target_ulong lpcr; | |
1370 | ||
1371 | cpu_synchronize_state(cs); | |
1372 | lpcr = env->spr[SPR_LPCR]; | |
1373 | lpcr &= ~s->mask; | |
1374 | lpcr |= s->value; | |
1375 | ppc_store_lpcr(cpu, lpcr); | |
1376 | } | |
1377 | ||
1378 | void spapr_set_all_lpcrs(target_ulong value, target_ulong mask) | |
1379 | { | |
1380 | CPUState *cs; | |
1381 | struct LPCRSyncState s = { | |
1382 | .value = value, | |
1383 | .mask = mask | |
1384 | }; | |
1385 | CPU_FOREACH(cs) { | |
1386 | run_on_cpu(cs, do_lpcr_sync, RUN_ON_CPU_HOST_PTR(&s)); | |
1387 | } | |
1388 | } | |
1389 | ||
79825f4d | 1390 | static void spapr_get_pate(PPCVirtualHypervisor *vhyp, ppc_v3_pate_t *entry) |
9861bb3e | 1391 | { |
ce2918cb | 1392 | SpaprMachineState *spapr = SPAPR_MACHINE(vhyp); |
9861bb3e | 1393 | |
79825f4d BH |
1394 | /* Copy PATE1:GR into PATE0:HR */ |
1395 | entry->dw0 = spapr->patb_entry & PATE0_HR; | |
1396 | entry->dw1 = spapr->patb_entry; | |
9861bb3e SJS |
1397 | } |
1398 | ||
e6b8fd24 SMJ |
1399 | #define HPTE(_table, _i) (void *)(((uint64_t *)(_table)) + ((_i) * 2)) |
1400 | #define HPTE_VALID(_hpte) (tswap64(*((uint64_t *)(_hpte))) & HPTE64_V_VALID) | |
1401 | #define HPTE_DIRTY(_hpte) (tswap64(*((uint64_t *)(_hpte))) & HPTE64_V_HPTE_DIRTY) | |
1402 | #define CLEAN_HPTE(_hpte) ((*(uint64_t *)(_hpte)) &= tswap64(~HPTE64_V_HPTE_DIRTY)) | |
1403 | #define DIRTY_HPTE(_hpte) ((*(uint64_t *)(_hpte)) |= tswap64(HPTE64_V_HPTE_DIRTY)) | |
1404 | ||
715c5407 DG |
1405 | /* |
1406 | * Get the fd to access the kernel htab, re-opening it if necessary | |
1407 | */ | |
ce2918cb | 1408 | static int get_htab_fd(SpaprMachineState *spapr) |
715c5407 | 1409 | { |
14b0d748 GK |
1410 | Error *local_err = NULL; |
1411 | ||
715c5407 DG |
1412 | if (spapr->htab_fd >= 0) { |
1413 | return spapr->htab_fd; | |
1414 | } | |
1415 | ||
14b0d748 | 1416 | spapr->htab_fd = kvmppc_get_htab_fd(false, 0, &local_err); |
715c5407 | 1417 | if (spapr->htab_fd < 0) { |
14b0d748 | 1418 | error_report_err(local_err); |
715c5407 DG |
1419 | } |
1420 | ||
1421 | return spapr->htab_fd; | |
1422 | } | |
1423 | ||
ce2918cb | 1424 | void close_htab_fd(SpaprMachineState *spapr) |
715c5407 DG |
1425 | { |
1426 | if (spapr->htab_fd >= 0) { | |
1427 | close(spapr->htab_fd); | |
1428 | } | |
1429 | spapr->htab_fd = -1; | |
1430 | } | |
1431 | ||
e57ca75c DG |
1432 | static hwaddr spapr_hpt_mask(PPCVirtualHypervisor *vhyp) |
1433 | { | |
ce2918cb | 1434 | SpaprMachineState *spapr = SPAPR_MACHINE(vhyp); |
e57ca75c DG |
1435 | |
1436 | return HTAB_SIZE(spapr) / HASH_PTEG_SIZE_64 - 1; | |
1437 | } | |
1438 | ||
1ec26c75 GK |
1439 | static target_ulong spapr_encode_hpt_for_kvm_pr(PPCVirtualHypervisor *vhyp) |
1440 | { | |
ce2918cb | 1441 | SpaprMachineState *spapr = SPAPR_MACHINE(vhyp); |
1ec26c75 GK |
1442 | |
1443 | assert(kvm_enabled()); | |
1444 | ||
1445 | if (!spapr->htab) { | |
1446 | return 0; | |
1447 | } | |
1448 | ||
1449 | return (target_ulong)(uintptr_t)spapr->htab | (spapr->htab_shift - 18); | |
1450 | } | |
1451 | ||
e57ca75c DG |
1452 | static const ppc_hash_pte64_t *spapr_map_hptes(PPCVirtualHypervisor *vhyp, |
1453 | hwaddr ptex, int n) | |
1454 | { | |
ce2918cb | 1455 | SpaprMachineState *spapr = SPAPR_MACHINE(vhyp); |
e57ca75c DG |
1456 | hwaddr pte_offset = ptex * HASH_PTE_SIZE_64; |
1457 | ||
1458 | if (!spapr->htab) { | |
1459 | /* | |
1460 | * HTAB is controlled by KVM. Fetch into temporary buffer | |
1461 | */ | |
1462 | ppc_hash_pte64_t *hptes = g_malloc(n * HASH_PTE_SIZE_64); | |
1463 | kvmppc_read_hptes(hptes, ptex, n); | |
1464 | return hptes; | |
1465 | } | |
1466 | ||
1467 | /* | |
1468 | * HTAB is controlled by QEMU. Just point to the internally | |
1469 | * accessible PTEG. | |
1470 | */ | |
1471 | return (const ppc_hash_pte64_t *)(spapr->htab + pte_offset); | |
1472 | } | |
1473 | ||
1474 | static void spapr_unmap_hptes(PPCVirtualHypervisor *vhyp, | |
1475 | const ppc_hash_pte64_t *hptes, | |
1476 | hwaddr ptex, int n) | |
1477 | { | |
ce2918cb | 1478 | SpaprMachineState *spapr = SPAPR_MACHINE(vhyp); |
e57ca75c DG |
1479 | |
1480 | if (!spapr->htab) { | |
1481 | g_free((void *)hptes); | |
1482 | } | |
1483 | ||
1484 | /* Nothing to do for qemu managed HPT */ | |
1485 | } | |
1486 | ||
a2dd4e83 BH |
1487 | void spapr_store_hpte(PowerPCCPU *cpu, hwaddr ptex, |
1488 | uint64_t pte0, uint64_t pte1) | |
e57ca75c | 1489 | { |
a2dd4e83 | 1490 | SpaprMachineState *spapr = SPAPR_MACHINE(cpu->vhyp); |
e57ca75c DG |
1491 | hwaddr offset = ptex * HASH_PTE_SIZE_64; |
1492 | ||
1493 | if (!spapr->htab) { | |
1494 | kvmppc_write_hpte(ptex, pte0, pte1); | |
1495 | } else { | |
3054b0ca BH |
1496 | if (pte0 & HPTE64_V_VALID) { |
1497 | stq_p(spapr->htab + offset + HASH_PTE_SIZE_64 / 2, pte1); | |
1498 | /* | |
1499 | * When setting valid, we write PTE1 first. This ensures | |
1500 | * proper synchronization with the reading code in | |
1501 | * ppc_hash64_pteg_search() | |
1502 | */ | |
1503 | smp_wmb(); | |
1504 | stq_p(spapr->htab + offset, pte0); | |
1505 | } else { | |
1506 | stq_p(spapr->htab + offset, pte0); | |
1507 | /* | |
1508 | * When clearing it we set PTE0 first. This ensures proper | |
1509 | * synchronization with the reading code in | |
1510 | * ppc_hash64_pteg_search() | |
1511 | */ | |
1512 | smp_wmb(); | |
1513 | stq_p(spapr->htab + offset + HASH_PTE_SIZE_64 / 2, pte1); | |
1514 | } | |
e57ca75c DG |
1515 | } |
1516 | } | |
1517 | ||
a2dd4e83 BH |
1518 | static void spapr_hpte_set_c(PPCVirtualHypervisor *vhyp, hwaddr ptex, |
1519 | uint64_t pte1) | |
1520 | { | |
1521 | hwaddr offset = ptex * HASH_PTE_SIZE_64 + 15; | |
1522 | SpaprMachineState *spapr = SPAPR_MACHINE(vhyp); | |
1523 | ||
1524 | if (!spapr->htab) { | |
1525 | /* There should always be a hash table when this is called */ | |
1526 | error_report("spapr_hpte_set_c called with no hash table !"); | |
1527 | return; | |
1528 | } | |
1529 | ||
1530 | /* The HW performs a non-atomic byte update */ | |
1531 | stb_p(spapr->htab + offset, (pte1 & 0xff) | 0x80); | |
1532 | } | |
1533 | ||
1534 | static void spapr_hpte_set_r(PPCVirtualHypervisor *vhyp, hwaddr ptex, | |
1535 | uint64_t pte1) | |
1536 | { | |
1537 | hwaddr offset = ptex * HASH_PTE_SIZE_64 + 14; | |
1538 | SpaprMachineState *spapr = SPAPR_MACHINE(vhyp); | |
1539 | ||
1540 | if (!spapr->htab) { | |
1541 | /* There should always be a hash table when this is called */ | |
1542 | error_report("spapr_hpte_set_r called with no hash table !"); | |
1543 | return; | |
1544 | } | |
1545 | ||
1546 | /* The HW performs a non-atomic byte update */ | |
1547 | stb_p(spapr->htab + offset, ((pte1 >> 8) & 0xff) | 0x01); | |
1548 | } | |
1549 | ||
0b0b8310 | 1550 | int spapr_hpt_shift_for_ramsize(uint64_t ramsize) |
8dfe8e7f DG |
1551 | { |
1552 | int shift; | |
1553 | ||
1554 | /* We aim for a hash table of size 1/128 the size of RAM (rounded | |
1555 | * up). The PAPR recommendation is actually 1/64 of RAM size, but | |
1556 | * that's much more than is needed for Linux guests */ | |
1557 | shift = ctz64(pow2ceil(ramsize)) - 7; | |
1558 | shift = MAX(shift, 18); /* Minimum architected size */ | |
1559 | shift = MIN(shift, 46); /* Maximum architected size */ | |
1560 | return shift; | |
1561 | } | |
1562 | ||
ce2918cb | 1563 | void spapr_free_hpt(SpaprMachineState *spapr) |
06ec79e8 BR |
1564 | { |
1565 | g_free(spapr->htab); | |
1566 | spapr->htab = NULL; | |
1567 | spapr->htab_shift = 0; | |
1568 | close_htab_fd(spapr); | |
1569 | } | |
1570 | ||
ce2918cb | 1571 | void spapr_reallocate_hpt(SpaprMachineState *spapr, int shift, |
2772cf6b | 1572 | Error **errp) |
7f763a5d | 1573 | { |
c5f54f3e DG |
1574 | long rc; |
1575 | ||
1576 | /* Clean up any HPT info from a previous boot */ | |
06ec79e8 | 1577 | spapr_free_hpt(spapr); |
c5f54f3e DG |
1578 | |
1579 | rc = kvmppc_reset_htab(shift); | |
1580 | if (rc < 0) { | |
1581 | /* kernel-side HPT needed, but couldn't allocate one */ | |
1582 | error_setg_errno(errp, errno, | |
1583 | "Failed to allocate KVM HPT of order %d (try smaller maxmem?)", | |
1584 | shift); | |
1585 | /* This is almost certainly fatal, but if the caller really | |
1586 | * wants to carry on with shift == 0, it's welcome to try */ | |
1587 | } else if (rc > 0) { | |
1588 | /* kernel-side HPT allocated */ | |
1589 | if (rc != shift) { | |
1590 | error_setg(errp, | |
1591 | "Requested order %d HPT, but kernel allocated order %ld (try smaller maxmem?)", | |
1592 | shift, rc); | |
7735feda BR |
1593 | } |
1594 | ||
7f763a5d | 1595 | spapr->htab_shift = shift; |
c18ad9a5 | 1596 | spapr->htab = NULL; |
b817772a | 1597 | } else { |
c5f54f3e DG |
1598 | /* kernel-side HPT not needed, allocate in userspace instead */ |
1599 | size_t size = 1ULL << shift; | |
1600 | int i; | |
b817772a | 1601 | |
c5f54f3e DG |
1602 | spapr->htab = qemu_memalign(size, size); |
1603 | if (!spapr->htab) { | |
1604 | error_setg_errno(errp, errno, | |
1605 | "Could not allocate HPT of order %d", shift); | |
1606 | return; | |
7735feda BR |
1607 | } |
1608 | ||
c5f54f3e DG |
1609 | memset(spapr->htab, 0, size); |
1610 | spapr->htab_shift = shift; | |
e6b8fd24 | 1611 | |
c5f54f3e DG |
1612 | for (i = 0; i < size / HASH_PTE_SIZE_64; i++) { |
1613 | DIRTY_HPTE(HPTE(spapr->htab, i)); | |
e6b8fd24 | 1614 | } |
7f763a5d | 1615 | } |
ee4d9ecc | 1616 | /* We're setting up a hash table, so that means we're not radix */ |
176dccee | 1617 | spapr->patb_entry = 0; |
00fd075e | 1618 | spapr_set_all_lpcrs(0, LPCR_HR | LPCR_UPRT); |
9fdf0c29 DG |
1619 | } |
1620 | ||
ce2918cb | 1621 | void spapr_setup_hpt_and_vrma(SpaprMachineState *spapr) |
b4db5413 | 1622 | { |
2772cf6b DG |
1623 | int hpt_shift; |
1624 | ||
1625 | if ((spapr->resize_hpt == SPAPR_RESIZE_HPT_DISABLED) | |
1626 | || (spapr->cas_reboot | |
1627 | && !spapr_ovec_test(spapr->ov5_cas, OV5_HPT_RESIZE))) { | |
1628 | hpt_shift = spapr_hpt_shift_for_ramsize(MACHINE(spapr)->maxram_size); | |
1629 | } else { | |
768a20f3 DG |
1630 | uint64_t current_ram_size; |
1631 | ||
1632 | current_ram_size = MACHINE(spapr)->ram_size + get_plugged_memory_size(); | |
1633 | hpt_shift = spapr_hpt_shift_for_ramsize(current_ram_size); | |
2772cf6b DG |
1634 | } |
1635 | spapr_reallocate_hpt(spapr, hpt_shift, &error_fatal); | |
1636 | ||
b4db5413 | 1637 | if (spapr->vrma_adjust) { |
c86c1aff | 1638 | spapr->rma_size = kvmppc_rma_size(spapr_node0_size(MACHINE(spapr)), |
b4db5413 SJS |
1639 | spapr->htab_shift); |
1640 | } | |
b4db5413 SJS |
1641 | } |
1642 | ||
82512483 GK |
1643 | static int spapr_reset_drcs(Object *child, void *opaque) |
1644 | { | |
ce2918cb DG |
1645 | SpaprDrc *drc = |
1646 | (SpaprDrc *) object_dynamic_cast(child, | |
82512483 GK |
1647 | TYPE_SPAPR_DR_CONNECTOR); |
1648 | ||
1649 | if (drc) { | |
1650 | spapr_drc_reset(drc); | |
1651 | } | |
1652 | ||
1653 | return 0; | |
1654 | } | |
1655 | ||
a0628599 | 1656 | static void spapr_machine_reset(MachineState *machine) |
a3467baa | 1657 | { |
ce2918cb | 1658 | SpaprMachineState *spapr = SPAPR_MACHINE(machine); |
182735ef | 1659 | PowerPCCPU *first_ppc_cpu; |
744a928c | 1660 | hwaddr fdt_addr; |
997b6cfc DG |
1661 | void *fdt; |
1662 | int rc; | |
259186a7 | 1663 | |
9f6edd06 | 1664 | spapr_caps_apply(spapr); |
33face6b | 1665 | |
1481fe5f LV |
1666 | first_ppc_cpu = POWERPC_CPU(first_cpu); |
1667 | if (kvm_enabled() && kvmppc_has_cap_mmu_radix() && | |
ad99d04c DG |
1668 | ppc_type_check_compat(machine->cpu_type, CPU_POWERPC_LOGICAL_3_00, 0, |
1669 | spapr->max_compat_pvr)) { | |
79825f4d BH |
1670 | /* |
1671 | * If using KVM with radix mode available, VCPUs can be started | |
b4db5413 | 1672 | * without a HPT because KVM will start them in radix mode. |
79825f4d BH |
1673 | * Set the GR bit in PATE so that we know there is no HPT. |
1674 | */ | |
1675 | spapr->patb_entry = PATE1_GR; | |
00fd075e | 1676 | spapr_set_all_lpcrs(LPCR_HR | LPCR_UPRT, LPCR_HR | LPCR_UPRT); |
b4db5413 | 1677 | } else { |
b4db5413 | 1678 | spapr_setup_hpt_and_vrma(spapr); |
c5f54f3e | 1679 | } |
a3467baa | 1680 | |
25c9780d DG |
1681 | qemu_devices_reset(); |
1682 | ||
79825f4d BH |
1683 | /* |
1684 | * If this reset wasn't generated by CAS, we should reset our | |
1685 | * negotiated options and start from scratch | |
1686 | */ | |
9012a53f GK |
1687 | if (!spapr->cas_reboot) { |
1688 | spapr_ovec_cleanup(spapr->ov5_cas); | |
1689 | spapr->ov5_cas = spapr_ovec_new(); | |
1690 | ||
ce03a193 | 1691 | ppc_set_compat_all(spapr->max_compat_pvr, &error_fatal); |
9012a53f GK |
1692 | } |
1693 | ||
b2e22477 CLG |
1694 | /* |
1695 | * This is fixing some of the default configuration of the XIVE | |
1696 | * devices. To be called after the reset of the machine devices. | |
1697 | */ | |
1698 | spapr_irq_reset(spapr, &error_fatal); | |
1699 | ||
23ff81bd GK |
1700 | /* |
1701 | * There is no CAS under qtest. Simulate one to please the code that | |
1702 | * depends on spapr->ov5_cas. This is especially needed to test device | |
1703 | * unplug, so we do that before resetting the DRCs. | |
1704 | */ | |
1705 | if (qtest_enabled()) { | |
1706 | spapr_ovec_cleanup(spapr->ov5_cas); | |
1707 | spapr->ov5_cas = spapr_ovec_clone(spapr->ov5); | |
1708 | } | |
1709 | ||
82512483 GK |
1710 | /* DRC reset may cause a device to be unplugged. This will cause troubles |
1711 | * if this device is used by another device (eg, a running vhost backend | |
1712 | * will crash QEMU if the DIMM holding the vring goes away). To avoid such | |
1713 | * situations, we reset DRCs after all devices have been reset. | |
1714 | */ | |
1715 | object_child_foreach_recursive(object_get_root(), spapr_reset_drcs, NULL); | |
1716 | ||
56258174 | 1717 | spapr_clear_pending_events(spapr); |
a3467baa | 1718 | |
b7d1f77a BH |
1719 | /* |
1720 | * We place the device tree and RTAS just below either the top of the RMA, | |
df269271 | 1721 | * or just below 2GB, whichever is lower, so that it can be |
b7d1f77a BH |
1722 | * processed with 32-bit real mode code if necessary |
1723 | */ | |
744a928c | 1724 | fdt_addr = MIN(spapr->rma_size, RTAS_MAX_ADDR) - FDT_MAX_SIZE; |
b7d1f77a | 1725 | |
a49f62b9 | 1726 | fdt = spapr_build_fdt(spapr, true); |
a3467baa | 1727 | |
997b6cfc DG |
1728 | rc = fdt_pack(fdt); |
1729 | ||
1730 | /* Should only fail if we've built a corrupted tree */ | |
1731 | assert(rc == 0); | |
1732 | ||
1733 | if (fdt_totalsize(fdt) > FDT_MAX_SIZE) { | |
1734 | error_report("FDT too big ! 0x%x bytes (max is 0x%x)", | |
1735 | fdt_totalsize(fdt), FDT_MAX_SIZE); | |
1736 | exit(1); | |
1737 | } | |
1738 | ||
1739 | /* Load the fdt */ | |
1740 | qemu_fdt_dumpdtb(fdt, fdt_totalsize(fdt)); | |
cae172ab | 1741 | cpu_physical_memory_write(fdt_addr, fdt, fdt_totalsize(fdt)); |
fea35ca4 AK |
1742 | g_free(spapr->fdt_blob); |
1743 | spapr->fdt_size = fdt_totalsize(fdt); | |
1744 | spapr->fdt_initial_size = spapr->fdt_size; | |
1745 | spapr->fdt_blob = fdt; | |
997b6cfc | 1746 | |
a3467baa | 1747 | /* Set up the entry state */ |
84369f63 | 1748 | spapr_cpu_set_entry_state(first_ppc_cpu, SPAPR_ENTRY_POINT, fdt_addr); |
182735ef | 1749 | first_ppc_cpu->env.gpr[5] = 0; |
a3467baa | 1750 | |
6787d27b | 1751 | spapr->cas_reboot = false; |
a3467baa DG |
1752 | } |
1753 | ||
ce2918cb | 1754 | static void spapr_create_nvram(SpaprMachineState *spapr) |
639e8102 | 1755 | { |
2ff3de68 | 1756 | DeviceState *dev = qdev_create(&spapr->vio_bus->bus, "spapr-nvram"); |
3978b863 | 1757 | DriveInfo *dinfo = drive_get(IF_PFLASH, 0, 0); |
639e8102 | 1758 | |
3978b863 | 1759 | if (dinfo) { |
6231a6da MA |
1760 | qdev_prop_set_drive(dev, "drive", blk_by_legacy_dinfo(dinfo), |
1761 | &error_fatal); | |
639e8102 DG |
1762 | } |
1763 | ||
1764 | qdev_init_nofail(dev); | |
1765 | ||
ce2918cb | 1766 | spapr->nvram = (struct SpaprNvram *)dev; |
639e8102 DG |
1767 | } |
1768 | ||
ce2918cb | 1769 | static void spapr_rtc_create(SpaprMachineState *spapr) |
28df36a1 | 1770 | { |
f6d4dca8 TH |
1771 | object_initialize_child(OBJECT(spapr), "rtc", |
1772 | &spapr->rtc, sizeof(spapr->rtc), TYPE_SPAPR_RTC, | |
1773 | &error_fatal, NULL); | |
147ff807 CLG |
1774 | object_property_set_bool(OBJECT(&spapr->rtc), true, "realized", |
1775 | &error_fatal); | |
1776 | object_property_add_alias(OBJECT(spapr), "rtc-time", OBJECT(&spapr->rtc), | |
1777 | "date", &error_fatal); | |
28df36a1 DG |
1778 | } |
1779 | ||
8c57b867 | 1780 | /* Returns whether we want to use VGA or not */ |
14c6a894 | 1781 | static bool spapr_vga_init(PCIBus *pci_bus, Error **errp) |
f28359d8 | 1782 | { |
8c57b867 | 1783 | switch (vga_interface_type) { |
8c57b867 | 1784 | case VGA_NONE: |
7effdaa3 MW |
1785 | return false; |
1786 | case VGA_DEVICE: | |
1787 | return true; | |
1ddcae82 | 1788 | case VGA_STD: |
b798c190 | 1789 | case VGA_VIRTIO: |
6e66d0c6 | 1790 | case VGA_CIRRUS: |
1ddcae82 | 1791 | return pci_vga_init(pci_bus) != NULL; |
8c57b867 | 1792 | default: |
14c6a894 DG |
1793 | error_setg(errp, |
1794 | "Unsupported VGA mode, only -vga std or -vga virtio is supported"); | |
1795 | return false; | |
f28359d8 | 1796 | } |
f28359d8 LZ |
1797 | } |
1798 | ||
4e5fe368 SJS |
1799 | static int spapr_pre_load(void *opaque) |
1800 | { | |
1801 | int rc; | |
1802 | ||
1803 | rc = spapr_caps_pre_load(opaque); | |
1804 | if (rc) { | |
1805 | return rc; | |
1806 | } | |
1807 | ||
1808 | return 0; | |
1809 | } | |
1810 | ||
880ae7de DG |
1811 | static int spapr_post_load(void *opaque, int version_id) |
1812 | { | |
ce2918cb | 1813 | SpaprMachineState *spapr = (SpaprMachineState *)opaque; |
880ae7de DG |
1814 | int err = 0; |
1815 | ||
be85537d DG |
1816 | err = spapr_caps_post_migration(spapr); |
1817 | if (err) { | |
1818 | return err; | |
1819 | } | |
1820 | ||
e502202c CLG |
1821 | /* |
1822 | * In earlier versions, there was no separate qdev for the PAPR | |
880ae7de DG |
1823 | * RTC, so the RTC offset was stored directly in sPAPREnvironment. |
1824 | * So when migrating from those versions, poke the incoming offset | |
e502202c CLG |
1825 | * value into the RTC device |
1826 | */ | |
880ae7de | 1827 | if (version_id < 3) { |
147ff807 | 1828 | err = spapr_rtc_import_offset(&spapr->rtc, spapr->rtc_offset); |
e502202c CLG |
1829 | if (err) { |
1830 | return err; | |
1831 | } | |
880ae7de DG |
1832 | } |
1833 | ||
0c86b2df | 1834 | if (kvm_enabled() && spapr->patb_entry) { |
d39c90f5 | 1835 | PowerPCCPU *cpu = POWERPC_CPU(first_cpu); |
79825f4d | 1836 | bool radix = !!(spapr->patb_entry & PATE1_GR); |
d39c90f5 | 1837 | bool gtse = !!(cpu->env.spr[SPR_LPCR] & LPCR_GTSE); |
00fd075e BH |
1838 | |
1839 | /* | |
1840 | * Update LPCR:HR and UPRT as they may not be set properly in | |
1841 | * the stream | |
1842 | */ | |
1843 | spapr_set_all_lpcrs(radix ? (LPCR_HR | LPCR_UPRT) : 0, | |
1844 | LPCR_HR | LPCR_UPRT); | |
d39c90f5 BR |
1845 | |
1846 | err = kvmppc_configure_v3_mmu(cpu, radix, gtse, spapr->patb_entry); | |
1847 | if (err) { | |
1848 | error_report("Process table config unsupported by the host"); | |
1849 | return -EINVAL; | |
1850 | } | |
1851 | } | |
1852 | ||
1c53b06c CLG |
1853 | err = spapr_irq_post_load(spapr, version_id); |
1854 | if (err) { | |
1855 | return err; | |
1856 | } | |
1857 | ||
880ae7de DG |
1858 | return err; |
1859 | } | |
1860 | ||
4e5fe368 SJS |
1861 | static int spapr_pre_save(void *opaque) |
1862 | { | |
1863 | int rc; | |
1864 | ||
1865 | rc = spapr_caps_pre_save(opaque); | |
1866 | if (rc) { | |
1867 | return rc; | |
1868 | } | |
1869 | ||
1870 | return 0; | |
1871 | } | |
1872 | ||
880ae7de DG |
1873 | static bool version_before_3(void *opaque, int version_id) |
1874 | { | |
1875 | return version_id < 3; | |
1876 | } | |
1877 | ||
fd38804b DHB |
1878 | static bool spapr_pending_events_needed(void *opaque) |
1879 | { | |
ce2918cb | 1880 | SpaprMachineState *spapr = (SpaprMachineState *)opaque; |
fd38804b DHB |
1881 | return !QTAILQ_EMPTY(&spapr->pending_events); |
1882 | } | |
1883 | ||
1884 | static const VMStateDescription vmstate_spapr_event_entry = { | |
1885 | .name = "spapr_event_log_entry", | |
1886 | .version_id = 1, | |
1887 | .minimum_version_id = 1, | |
1888 | .fields = (VMStateField[]) { | |
ce2918cb DG |
1889 | VMSTATE_UINT32(summary, SpaprEventLogEntry), |
1890 | VMSTATE_UINT32(extended_length, SpaprEventLogEntry), | |
1891 | VMSTATE_VBUFFER_ALLOC_UINT32(extended_log, SpaprEventLogEntry, 0, | |
5341258e | 1892 | NULL, extended_length), |
fd38804b DHB |
1893 | VMSTATE_END_OF_LIST() |
1894 | }, | |
1895 | }; | |
1896 | ||
1897 | static const VMStateDescription vmstate_spapr_pending_events = { | |
1898 | .name = "spapr_pending_events", | |
1899 | .version_id = 1, | |
1900 | .minimum_version_id = 1, | |
1901 | .needed = spapr_pending_events_needed, | |
1902 | .fields = (VMStateField[]) { | |
ce2918cb DG |
1903 | VMSTATE_QTAILQ_V(pending_events, SpaprMachineState, 1, |
1904 | vmstate_spapr_event_entry, SpaprEventLogEntry, next), | |
fd38804b DHB |
1905 | VMSTATE_END_OF_LIST() |
1906 | }, | |
1907 | }; | |
1908 | ||
62ef3760 MR |
1909 | static bool spapr_ov5_cas_needed(void *opaque) |
1910 | { | |
ce2918cb DG |
1911 | SpaprMachineState *spapr = opaque; |
1912 | SpaprOptionVector *ov5_mask = spapr_ovec_new(); | |
1913 | SpaprOptionVector *ov5_legacy = spapr_ovec_new(); | |
1914 | SpaprOptionVector *ov5_removed = spapr_ovec_new(); | |
62ef3760 MR |
1915 | bool cas_needed; |
1916 | ||
ce2918cb | 1917 | /* Prior to the introduction of SpaprOptionVector, we had two option |
62ef3760 MR |
1918 | * vectors we dealt with: OV5_FORM1_AFFINITY, and OV5_DRCONF_MEMORY. |
1919 | * Both of these options encode machine topology into the device-tree | |
1920 | * in such a way that the now-booted OS should still be able to interact | |
1921 | * appropriately with QEMU regardless of what options were actually | |
1922 | * negotiatied on the source side. | |
1923 | * | |
1924 | * As such, we can avoid migrating the CAS-negotiated options if these | |
1925 | * are the only options available on the current machine/platform. | |
1926 | * Since these are the only options available for pseries-2.7 and | |
1927 | * earlier, this allows us to maintain old->new/new->old migration | |
1928 | * compatibility. | |
1929 | * | |
1930 | * For QEMU 2.8+, there are additional CAS-negotiatable options available | |
1931 | * via default pseries-2.8 machines and explicit command-line parameters. | |
1932 | * Some of these options, like OV5_HP_EVT, *do* require QEMU to be aware | |
1933 | * of the actual CAS-negotiated values to continue working properly. For | |
1934 | * example, availability of memory unplug depends on knowing whether | |
1935 | * OV5_HP_EVT was negotiated via CAS. | |
1936 | * | |
1937 | * Thus, for any cases where the set of available CAS-negotiatable | |
1938 | * options extends beyond OV5_FORM1_AFFINITY and OV5_DRCONF_MEMORY, we | |
aef19c04 GK |
1939 | * include the CAS-negotiated options in the migration stream, unless |
1940 | * if they affect boot time behaviour only. | |
62ef3760 MR |
1941 | */ |
1942 | spapr_ovec_set(ov5_mask, OV5_FORM1_AFFINITY); | |
1943 | spapr_ovec_set(ov5_mask, OV5_DRCONF_MEMORY); | |
aef19c04 | 1944 | spapr_ovec_set(ov5_mask, OV5_DRMEM_V2); |
62ef3760 MR |
1945 | |
1946 | /* spapr_ovec_diff returns true if bits were removed. we avoid using | |
1947 | * the mask itself since in the future it's possible "legacy" bits may be | |
1948 | * removed via machine options, which could generate a false positive | |
1949 | * that breaks migration. | |
1950 | */ | |
1951 | spapr_ovec_intersect(ov5_legacy, spapr->ov5, ov5_mask); | |
1952 | cas_needed = spapr_ovec_diff(ov5_removed, spapr->ov5, ov5_legacy); | |
1953 | ||
1954 | spapr_ovec_cleanup(ov5_mask); | |
1955 | spapr_ovec_cleanup(ov5_legacy); | |
1956 | spapr_ovec_cleanup(ov5_removed); | |
1957 | ||
1958 | return cas_needed; | |
1959 | } | |
1960 | ||
1961 | static const VMStateDescription vmstate_spapr_ov5_cas = { | |
1962 | .name = "spapr_option_vector_ov5_cas", | |
1963 | .version_id = 1, | |
1964 | .minimum_version_id = 1, | |
1965 | .needed = spapr_ov5_cas_needed, | |
1966 | .fields = (VMStateField[]) { | |
ce2918cb DG |
1967 | VMSTATE_STRUCT_POINTER_V(ov5_cas, SpaprMachineState, 1, |
1968 | vmstate_spapr_ovec, SpaprOptionVector), | |
62ef3760 MR |
1969 | VMSTATE_END_OF_LIST() |
1970 | }, | |
1971 | }; | |
1972 | ||
9861bb3e SJS |
1973 | static bool spapr_patb_entry_needed(void *opaque) |
1974 | { | |
ce2918cb | 1975 | SpaprMachineState *spapr = opaque; |
9861bb3e SJS |
1976 | |
1977 | return !!spapr->patb_entry; | |
1978 | } | |
1979 | ||
1980 | static const VMStateDescription vmstate_spapr_patb_entry = { | |
1981 | .name = "spapr_patb_entry", | |
1982 | .version_id = 1, | |
1983 | .minimum_version_id = 1, | |
1984 | .needed = spapr_patb_entry_needed, | |
1985 | .fields = (VMStateField[]) { | |
ce2918cb | 1986 | VMSTATE_UINT64(patb_entry, SpaprMachineState), |
9861bb3e SJS |
1987 | VMSTATE_END_OF_LIST() |
1988 | }, | |
1989 | }; | |
1990 | ||
82cffa2e CLG |
1991 | static bool spapr_irq_map_needed(void *opaque) |
1992 | { | |
ce2918cb | 1993 | SpaprMachineState *spapr = opaque; |
82cffa2e CLG |
1994 | |
1995 | return spapr->irq_map && !bitmap_empty(spapr->irq_map, spapr->irq_map_nr); | |
1996 | } | |
1997 | ||
1998 | static const VMStateDescription vmstate_spapr_irq_map = { | |
1999 | .name = "spapr_irq_map", | |
2000 | .version_id = 1, | |
2001 | .minimum_version_id = 1, | |
2002 | .needed = spapr_irq_map_needed, | |
2003 | .fields = (VMStateField[]) { | |
ce2918cb | 2004 | VMSTATE_BITMAP(irq_map, SpaprMachineState, 0, irq_map_nr), |
82cffa2e CLG |
2005 | VMSTATE_END_OF_LIST() |
2006 | }, | |
2007 | }; | |
2008 | ||
fea35ca4 AK |
2009 | static bool spapr_dtb_needed(void *opaque) |
2010 | { | |
ce2918cb | 2011 | SpaprMachineClass *smc = SPAPR_MACHINE_GET_CLASS(opaque); |
fea35ca4 AK |
2012 | |
2013 | return smc->update_dt_enabled; | |
2014 | } | |
2015 | ||
2016 | static int spapr_dtb_pre_load(void *opaque) | |
2017 | { | |
ce2918cb | 2018 | SpaprMachineState *spapr = (SpaprMachineState *)opaque; |
fea35ca4 AK |
2019 | |
2020 | g_free(spapr->fdt_blob); | |
2021 | spapr->fdt_blob = NULL; | |
2022 | spapr->fdt_size = 0; | |
2023 | ||
2024 | return 0; | |
2025 | } | |
2026 | ||
2027 | static const VMStateDescription vmstate_spapr_dtb = { | |
2028 | .name = "spapr_dtb", | |
2029 | .version_id = 1, | |
2030 | .minimum_version_id = 1, | |
2031 | .needed = spapr_dtb_needed, | |
2032 | .pre_load = spapr_dtb_pre_load, | |
2033 | .fields = (VMStateField[]) { | |
ce2918cb DG |
2034 | VMSTATE_UINT32(fdt_initial_size, SpaprMachineState), |
2035 | VMSTATE_UINT32(fdt_size, SpaprMachineState), | |
2036 | VMSTATE_VBUFFER_ALLOC_UINT32(fdt_blob, SpaprMachineState, 0, NULL, | |
fea35ca4 AK |
2037 | fdt_size), |
2038 | VMSTATE_END_OF_LIST() | |
2039 | }, | |
2040 | }; | |
2041 | ||
4be21d56 DG |
2042 | static const VMStateDescription vmstate_spapr = { |
2043 | .name = "spapr", | |
880ae7de | 2044 | .version_id = 3, |
4be21d56 | 2045 | .minimum_version_id = 1, |
4e5fe368 | 2046 | .pre_load = spapr_pre_load, |
880ae7de | 2047 | .post_load = spapr_post_load, |
4e5fe368 | 2048 | .pre_save = spapr_pre_save, |
3aff6c2f | 2049 | .fields = (VMStateField[]) { |
880ae7de DG |
2050 | /* used to be @next_irq */ |
2051 | VMSTATE_UNUSED_BUFFER(version_before_3, 0, 4), | |
4be21d56 DG |
2052 | |
2053 | /* RTC offset */ | |
ce2918cb | 2054 | VMSTATE_UINT64_TEST(rtc_offset, SpaprMachineState, version_before_3), |
880ae7de | 2055 | |
ce2918cb | 2056 | VMSTATE_PPC_TIMEBASE_V(tb, SpaprMachineState, 2), |
4be21d56 DG |
2057 | VMSTATE_END_OF_LIST() |
2058 | }, | |
62ef3760 MR |
2059 | .subsections = (const VMStateDescription*[]) { |
2060 | &vmstate_spapr_ov5_cas, | |
9861bb3e | 2061 | &vmstate_spapr_patb_entry, |
fd38804b | 2062 | &vmstate_spapr_pending_events, |
4e5fe368 SJS |
2063 | &vmstate_spapr_cap_htm, |
2064 | &vmstate_spapr_cap_vsx, | |
2065 | &vmstate_spapr_cap_dfp, | |
8f38eaf8 | 2066 | &vmstate_spapr_cap_cfpc, |
09114fd8 | 2067 | &vmstate_spapr_cap_sbbc, |
4be8d4e7 | 2068 | &vmstate_spapr_cap_ibs, |
64d4a534 | 2069 | &vmstate_spapr_cap_hpt_maxpagesize, |
82cffa2e | 2070 | &vmstate_spapr_irq_map, |
b9a477b7 | 2071 | &vmstate_spapr_cap_nested_kvm_hv, |
fea35ca4 | 2072 | &vmstate_spapr_dtb, |
c982f5cf | 2073 | &vmstate_spapr_cap_large_decr, |
8ff43ee4 | 2074 | &vmstate_spapr_cap_ccf_assist, |
62ef3760 MR |
2075 | NULL |
2076 | } | |
4be21d56 DG |
2077 | }; |
2078 | ||
4be21d56 DG |
2079 | static int htab_save_setup(QEMUFile *f, void *opaque) |
2080 | { | |
ce2918cb | 2081 | SpaprMachineState *spapr = opaque; |
4be21d56 | 2082 | |
4be21d56 | 2083 | /* "Iteration" header */ |
3a384297 BR |
2084 | if (!spapr->htab_shift) { |
2085 | qemu_put_be32(f, -1); | |
2086 | } else { | |
2087 | qemu_put_be32(f, spapr->htab_shift); | |
2088 | } | |
4be21d56 | 2089 | |
e68cb8b4 AK |
2090 | if (spapr->htab) { |
2091 | spapr->htab_save_index = 0; | |
2092 | spapr->htab_first_pass = true; | |
2093 | } else { | |
3a384297 BR |
2094 | if (spapr->htab_shift) { |
2095 | assert(kvm_enabled()); | |
2096 | } | |
e68cb8b4 AK |
2097 | } |
2098 | ||
2099 | ||
4be21d56 DG |
2100 | return 0; |
2101 | } | |
2102 | ||
ce2918cb | 2103 | static void htab_save_chunk(QEMUFile *f, SpaprMachineState *spapr, |
332f7721 GK |
2104 | int chunkstart, int n_valid, int n_invalid) |
2105 | { | |
2106 | qemu_put_be32(f, chunkstart); | |
2107 | qemu_put_be16(f, n_valid); | |
2108 | qemu_put_be16(f, n_invalid); | |
2109 | qemu_put_buffer(f, HPTE(spapr->htab, chunkstart), | |
2110 | HASH_PTE_SIZE_64 * n_valid); | |
2111 | } | |
2112 | ||
2113 | static void htab_save_end_marker(QEMUFile *f) | |
2114 | { | |
2115 | qemu_put_be32(f, 0); | |
2116 | qemu_put_be16(f, 0); | |
2117 | qemu_put_be16(f, 0); | |
2118 | } | |
2119 | ||
ce2918cb | 2120 | static void htab_save_first_pass(QEMUFile *f, SpaprMachineState *spapr, |
4be21d56 DG |
2121 | int64_t max_ns) |
2122 | { | |
378bc217 | 2123 | bool has_timeout = max_ns != -1; |
4be21d56 DG |
2124 | int htabslots = HTAB_SIZE(spapr) / HASH_PTE_SIZE_64; |
2125 | int index = spapr->htab_save_index; | |
bc72ad67 | 2126 | int64_t starttime = qemu_clock_get_ns(QEMU_CLOCK_REALTIME); |
4be21d56 DG |
2127 | |
2128 | assert(spapr->htab_first_pass); | |
2129 | ||
2130 | do { | |
2131 | int chunkstart; | |
2132 | ||
2133 | /* Consume invalid HPTEs */ | |
2134 | while ((index < htabslots) | |
2135 | && !HPTE_VALID(HPTE(spapr->htab, index))) { | |
4be21d56 | 2136 | CLEAN_HPTE(HPTE(spapr->htab, index)); |
24ec2863 | 2137 | index++; |
4be21d56 DG |
2138 | } |
2139 | ||
2140 | /* Consume valid HPTEs */ | |
2141 | chunkstart = index; | |
338c25b6 | 2142 | while ((index < htabslots) && (index - chunkstart < USHRT_MAX) |
4be21d56 | 2143 | && HPTE_VALID(HPTE(spapr->htab, index))) { |
4be21d56 | 2144 | CLEAN_HPTE(HPTE(spapr->htab, index)); |
24ec2863 | 2145 | index++; |
4be21d56 DG |
2146 | } |
2147 | ||
2148 | if (index > chunkstart) { | |
2149 | int n_valid = index - chunkstart; | |
2150 | ||
332f7721 | 2151 | htab_save_chunk(f, spapr, chunkstart, n_valid, 0); |
4be21d56 | 2152 | |
378bc217 DG |
2153 | if (has_timeout && |
2154 | (qemu_clock_get_ns(QEMU_CLOCK_REALTIME) - starttime) > max_ns) { | |
4be21d56 DG |
2155 | break; |
2156 | } | |
2157 | } | |
2158 | } while ((index < htabslots) && !qemu_file_rate_limit(f)); | |
2159 | ||
2160 | if (index >= htabslots) { | |
2161 | assert(index == htabslots); | |
2162 | index = 0; | |
2163 | spapr->htab_first_pass = false; | |
2164 | } | |
2165 | spapr->htab_save_index = index; | |
2166 | } | |
2167 | ||
ce2918cb | 2168 | static int htab_save_later_pass(QEMUFile *f, SpaprMachineState *spapr, |
e68cb8b4 | 2169 | int64_t max_ns) |
4be21d56 DG |
2170 | { |
2171 | bool final = max_ns < 0; | |
2172 | int htabslots = HTAB_SIZE(spapr) / HASH_PTE_SIZE_64; | |
2173 | int examined = 0, sent = 0; | |
2174 | int index = spapr->htab_save_index; | |
bc72ad67 | 2175 | int64_t starttime = qemu_clock_get_ns(QEMU_CLOCK_REALTIME); |
4be21d56 DG |
2176 | |
2177 | assert(!spapr->htab_first_pass); | |
2178 | ||
2179 | do { | |
2180 | int chunkstart, invalidstart; | |
2181 | ||
2182 | /* Consume non-dirty HPTEs */ | |
2183 | while ((index < htabslots) | |
2184 | && !HPTE_DIRTY(HPTE(spapr->htab, index))) { | |
2185 | index++; | |
2186 | examined++; | |
2187 | } | |
2188 | ||
2189 | chunkstart = index; | |
2190 | /* Consume valid dirty HPTEs */ | |
338c25b6 | 2191 | while ((index < htabslots) && (index - chunkstart < USHRT_MAX) |
4be21d56 DG |
2192 | && HPTE_DIRTY(HPTE(spapr->htab, index)) |
2193 | && HPTE_VALID(HPTE(spapr->htab, index))) { | |
2194 | CLEAN_HPTE(HPTE(spapr->htab, index)); | |
2195 | index++; | |
2196 | examined++; | |
2197 | } | |
2198 | ||
2199 | invalidstart = index; | |
2200 | /* Consume invalid dirty HPTEs */ | |
338c25b6 | 2201 | while ((index < htabslots) && (index - invalidstart < USHRT_MAX) |
4be21d56 DG |
2202 | && HPTE_DIRTY(HPTE(spapr->htab, index)) |
2203 | && !HPTE_VALID(HPTE(spapr->htab, index))) { | |
2204 | CLEAN_HPTE(HPTE(spapr->htab, index)); | |
2205 | index++; | |
2206 | examined++; | |
2207 | } | |
2208 | ||
2209 | if (index > chunkstart) { | |
2210 | int n_valid = invalidstart - chunkstart; | |
2211 | int n_invalid = index - invalidstart; | |
2212 | ||
332f7721 | 2213 | htab_save_chunk(f, spapr, chunkstart, n_valid, n_invalid); |
4be21d56 DG |
2214 | sent += index - chunkstart; |
2215 | ||
bc72ad67 | 2216 | if (!final && (qemu_clock_get_ns(QEMU_CLOCK_REALTIME) - starttime) > max_ns) { |
4be21d56 DG |
2217 | break; |
2218 | } | |
2219 | } | |
2220 | ||
2221 | if (examined >= htabslots) { | |
2222 | break; | |
2223 | } | |
2224 | ||
2225 | if (index >= htabslots) { | |
2226 | assert(index == htabslots); | |
2227 | index = 0; | |
2228 | } | |
2229 | } while ((examined < htabslots) && (!qemu_file_rate_limit(f) || final)); | |
2230 | ||
2231 | if (index >= htabslots) { | |
2232 | assert(index == htabslots); | |
2233 | index = 0; | |
2234 | } | |
2235 | ||
2236 | spapr->htab_save_index = index; | |
2237 | ||
e68cb8b4 | 2238 | return (examined >= htabslots) && (sent == 0) ? 1 : 0; |
4be21d56 DG |
2239 | } |
2240 | ||
e68cb8b4 AK |
2241 | #define MAX_ITERATION_NS 5000000 /* 5 ms */ |
2242 | #define MAX_KVM_BUF_SIZE 2048 | |
2243 | ||
4be21d56 DG |
2244 | static int htab_save_iterate(QEMUFile *f, void *opaque) |
2245 | { | |
ce2918cb | 2246 | SpaprMachineState *spapr = opaque; |
715c5407 | 2247 | int fd; |
e68cb8b4 | 2248 | int rc = 0; |
4be21d56 DG |
2249 | |
2250 | /* Iteration header */ | |
3a384297 BR |
2251 | if (!spapr->htab_shift) { |
2252 | qemu_put_be32(f, -1); | |
e8cd4247 | 2253 | return 1; |
3a384297 BR |
2254 | } else { |
2255 | qemu_put_be32(f, 0); | |
2256 | } | |
4be21d56 | 2257 | |
e68cb8b4 AK |
2258 | if (!spapr->htab) { |
2259 | assert(kvm_enabled()); | |
2260 | ||
715c5407 DG |
2261 | fd = get_htab_fd(spapr); |
2262 | if (fd < 0) { | |
2263 | return fd; | |
01a57972 SMJ |
2264 | } |
2265 | ||
715c5407 | 2266 | rc = kvmppc_save_htab(f, fd, MAX_KVM_BUF_SIZE, MAX_ITERATION_NS); |
e68cb8b4 AK |
2267 | if (rc < 0) { |
2268 | return rc; | |
2269 | } | |
2270 | } else if (spapr->htab_first_pass) { | |
4be21d56 DG |
2271 | htab_save_first_pass(f, spapr, MAX_ITERATION_NS); |
2272 | } else { | |
e68cb8b4 | 2273 | rc = htab_save_later_pass(f, spapr, MAX_ITERATION_NS); |
4be21d56 DG |
2274 | } |
2275 | ||
332f7721 | 2276 | htab_save_end_marker(f); |
4be21d56 | 2277 | |
e68cb8b4 | 2278 | return rc; |
4be21d56 DG |
2279 | } |
2280 | ||
2281 | static int htab_save_complete(QEMUFile *f, void *opaque) | |
2282 | { | |
ce2918cb | 2283 | SpaprMachineState *spapr = opaque; |
715c5407 | 2284 | int fd; |
4be21d56 DG |
2285 | |
2286 | /* Iteration header */ | |
3a384297 BR |
2287 | if (!spapr->htab_shift) { |
2288 | qemu_put_be32(f, -1); | |
2289 | return 0; | |
2290 | } else { | |
2291 | qemu_put_be32(f, 0); | |
2292 | } | |
4be21d56 | 2293 | |
e68cb8b4 AK |
2294 | if (!spapr->htab) { |
2295 | int rc; | |
2296 | ||
2297 | assert(kvm_enabled()); | |
2298 | ||
715c5407 DG |
2299 | fd = get_htab_fd(spapr); |
2300 | if (fd < 0) { | |
2301 | return fd; | |
01a57972 SMJ |
2302 | } |
2303 | ||
715c5407 | 2304 | rc = kvmppc_save_htab(f, fd, MAX_KVM_BUF_SIZE, -1); |
e68cb8b4 AK |
2305 | if (rc < 0) { |
2306 | return rc; | |
2307 | } | |
e68cb8b4 | 2308 | } else { |
378bc217 DG |
2309 | if (spapr->htab_first_pass) { |
2310 | htab_save_first_pass(f, spapr, -1); | |
2311 | } | |
e68cb8b4 AK |
2312 | htab_save_later_pass(f, spapr, -1); |
2313 | } | |
4be21d56 DG |
2314 | |
2315 | /* End marker */ | |
332f7721 | 2316 | htab_save_end_marker(f); |
4be21d56 DG |
2317 | |
2318 | return 0; | |
2319 | } | |
2320 | ||
2321 | static int htab_load(QEMUFile *f, void *opaque, int version_id) | |
2322 | { | |
ce2918cb | 2323 | SpaprMachineState *spapr = opaque; |
4be21d56 | 2324 | uint32_t section_hdr; |
e68cb8b4 | 2325 | int fd = -1; |
14b0d748 | 2326 | Error *local_err = NULL; |
4be21d56 DG |
2327 | |
2328 | if (version_id < 1 || version_id > 1) { | |
98a5d100 | 2329 | error_report("htab_load() bad version"); |
4be21d56 DG |
2330 | return -EINVAL; |
2331 | } | |
2332 | ||
2333 | section_hdr = qemu_get_be32(f); | |
2334 | ||
3a384297 BR |
2335 | if (section_hdr == -1) { |
2336 | spapr_free_hpt(spapr); | |
2337 | return 0; | |
2338 | } | |
2339 | ||
4be21d56 | 2340 | if (section_hdr) { |
c5f54f3e DG |
2341 | /* First section gives the htab size */ |
2342 | spapr_reallocate_hpt(spapr, section_hdr, &local_err); | |
2343 | if (local_err) { | |
2344 | error_report_err(local_err); | |
4be21d56 DG |
2345 | return -EINVAL; |
2346 | } | |
2347 | return 0; | |
2348 | } | |
2349 | ||
e68cb8b4 AK |
2350 | if (!spapr->htab) { |
2351 | assert(kvm_enabled()); | |
2352 | ||
14b0d748 | 2353 | fd = kvmppc_get_htab_fd(true, 0, &local_err); |
e68cb8b4 | 2354 | if (fd < 0) { |
14b0d748 | 2355 | error_report_err(local_err); |
82be8e73 | 2356 | return fd; |
e68cb8b4 AK |
2357 | } |
2358 | } | |
2359 | ||
4be21d56 DG |
2360 | while (true) { |
2361 | uint32_t index; | |
2362 | uint16_t n_valid, n_invalid; | |
2363 | ||
2364 | index = qemu_get_be32(f); | |
2365 | n_valid = qemu_get_be16(f); | |
2366 | n_invalid = qemu_get_be16(f); | |
2367 | ||
2368 | if ((index == 0) && (n_valid == 0) && (n_invalid == 0)) { | |
2369 | /* End of Stream */ | |
2370 | break; | |
2371 | } | |
2372 | ||
e68cb8b4 | 2373 | if ((index + n_valid + n_invalid) > |
4be21d56 DG |
2374 | (HTAB_SIZE(spapr) / HASH_PTE_SIZE_64)) { |
2375 | /* Bad index in stream */ | |
98a5d100 DG |
2376 | error_report( |
2377 | "htab_load() bad index %d (%hd+%hd entries) in htab stream (htab_shift=%d)", | |
2378 | index, n_valid, n_invalid, spapr->htab_shift); | |
4be21d56 DG |
2379 | return -EINVAL; |
2380 | } | |
2381 | ||
e68cb8b4 AK |
2382 | if (spapr->htab) { |
2383 | if (n_valid) { | |
2384 | qemu_get_buffer(f, HPTE(spapr->htab, index), | |
2385 | HASH_PTE_SIZE_64 * n_valid); | |
2386 | } | |
2387 | if (n_invalid) { | |
2388 | memset(HPTE(spapr->htab, index + n_valid), 0, | |
2389 | HASH_PTE_SIZE_64 * n_invalid); | |
2390 | } | |
2391 | } else { | |
2392 | int rc; | |
2393 | ||
2394 | assert(fd >= 0); | |
2395 | ||
2396 | rc = kvmppc_load_htab_chunk(f, fd, index, n_valid, n_invalid); | |
2397 | if (rc < 0) { | |
2398 | return rc; | |
2399 | } | |
4be21d56 DG |
2400 | } |
2401 | } | |
2402 | ||
e68cb8b4 AK |
2403 | if (!spapr->htab) { |
2404 | assert(fd >= 0); | |
2405 | close(fd); | |
2406 | } | |
2407 | ||
4be21d56 DG |
2408 | return 0; |
2409 | } | |
2410 | ||
70f794fc | 2411 | static void htab_save_cleanup(void *opaque) |
c573fc03 | 2412 | { |
ce2918cb | 2413 | SpaprMachineState *spapr = opaque; |
c573fc03 TH |
2414 | |
2415 | close_htab_fd(spapr); | |
2416 | } | |
2417 | ||
4be21d56 | 2418 | static SaveVMHandlers savevm_htab_handlers = { |
9907e842 | 2419 | .save_setup = htab_save_setup, |
4be21d56 | 2420 | .save_live_iterate = htab_save_iterate, |
a3e06c3d | 2421 | .save_live_complete_precopy = htab_save_complete, |
70f794fc | 2422 | .save_cleanup = htab_save_cleanup, |
4be21d56 DG |
2423 | .load_state = htab_load, |
2424 | }; | |
2425 | ||
5b2128d2 AG |
2426 | static void spapr_boot_set(void *opaque, const char *boot_device, |
2427 | Error **errp) | |
2428 | { | |
c86c1aff | 2429 | MachineState *machine = MACHINE(opaque); |
5b2128d2 AG |
2430 | machine->boot_order = g_strdup(boot_device); |
2431 | } | |
2432 | ||
ce2918cb | 2433 | static void spapr_create_lmb_dr_connectors(SpaprMachineState *spapr) |
224245bf DG |
2434 | { |
2435 | MachineState *machine = MACHINE(spapr); | |
2436 | uint64_t lmb_size = SPAPR_MEMORY_BLOCK_SIZE; | |
e8f986fc | 2437 | uint32_t nr_lmbs = (machine->maxram_size - machine->ram_size)/lmb_size; |
224245bf DG |
2438 | int i; |
2439 | ||
2440 | for (i = 0; i < nr_lmbs; i++) { | |
224245bf DG |
2441 | uint64_t addr; |
2442 | ||
b0c14ec4 | 2443 | addr = i * lmb_size + machine->device_memory->base; |
6caf3ac6 DG |
2444 | spapr_dr_connector_new(OBJECT(spapr), TYPE_SPAPR_DRC_LMB, |
2445 | addr / lmb_size); | |
224245bf DG |
2446 | } |
2447 | } | |
2448 | ||
2449 | /* | |
2450 | * If RAM size, maxmem size and individual node mem sizes aren't aligned | |
2451 | * to SPAPR_MEMORY_BLOCK_SIZE(256MB), then refuse to start the guest | |
2452 | * since we can't support such unaligned sizes with DRCONF_MEMORY. | |
2453 | */ | |
7c150d6f | 2454 | static void spapr_validate_node_memory(MachineState *machine, Error **errp) |
224245bf DG |
2455 | { |
2456 | int i; | |
2457 | ||
7c150d6f DG |
2458 | if (machine->ram_size % SPAPR_MEMORY_BLOCK_SIZE) { |
2459 | error_setg(errp, "Memory size 0x" RAM_ADDR_FMT | |
ab3dd749 | 2460 | " is not aligned to %" PRIu64 " MiB", |
7c150d6f | 2461 | machine->ram_size, |
d23b6caa | 2462 | SPAPR_MEMORY_BLOCK_SIZE / MiB); |
7c150d6f DG |
2463 | return; |
2464 | } | |
2465 | ||
2466 | if (machine->maxram_size % SPAPR_MEMORY_BLOCK_SIZE) { | |
2467 | error_setg(errp, "Maximum memory size 0x" RAM_ADDR_FMT | |
ab3dd749 | 2468 | " is not aligned to %" PRIu64 " MiB", |
7c150d6f | 2469 | machine->ram_size, |
d23b6caa | 2470 | SPAPR_MEMORY_BLOCK_SIZE / MiB); |
7c150d6f | 2471 | return; |
224245bf DG |
2472 | } |
2473 | ||
aa570207 | 2474 | for (i = 0; i < machine->numa_state->num_nodes; i++) { |
7e721e7b | 2475 | if (machine->numa_state->nodes[i].node_mem % SPAPR_MEMORY_BLOCK_SIZE) { |
7c150d6f DG |
2476 | error_setg(errp, |
2477 | "Node %d memory size 0x%" PRIx64 | |
ab3dd749 | 2478 | " is not aligned to %" PRIu64 " MiB", |
7e721e7b | 2479 | i, machine->numa_state->nodes[i].node_mem, |
d23b6caa | 2480 | SPAPR_MEMORY_BLOCK_SIZE / MiB); |
7c150d6f | 2481 | return; |
224245bf DG |
2482 | } |
2483 | } | |
2484 | } | |
2485 | ||
535455fd IM |
2486 | /* find cpu slot in machine->possible_cpus by core_id */ |
2487 | static CPUArchId *spapr_find_cpu_slot(MachineState *ms, uint32_t id, int *idx) | |
2488 | { | |
fe6b6346 | 2489 | int index = id / ms->smp.threads; |
535455fd IM |
2490 | |
2491 | if (index >= ms->possible_cpus->len) { | |
2492 | return NULL; | |
2493 | } | |
2494 | if (idx) { | |
2495 | *idx = index; | |
2496 | } | |
2497 | return &ms->possible_cpus->cpus[index]; | |
2498 | } | |
2499 | ||
ce2918cb | 2500 | static void spapr_set_vsmt_mode(SpaprMachineState *spapr, Error **errp) |
fa98fbfc | 2501 | { |
fe6b6346 | 2502 | MachineState *ms = MACHINE(spapr); |
29cb4187 | 2503 | SpaprMachineClass *smc = SPAPR_MACHINE_GET_CLASS(spapr); |
fa98fbfc SB |
2504 | Error *local_err = NULL; |
2505 | bool vsmt_user = !!spapr->vsmt; | |
2506 | int kvm_smt = kvmppc_smt_threads(); | |
2507 | int ret; | |
fe6b6346 | 2508 | unsigned int smp_threads = ms->smp.threads; |
fa98fbfc SB |
2509 | |
2510 | if (!kvm_enabled() && (smp_threads > 1)) { | |
2511 | error_setg(&local_err, "TCG cannot support more than 1 thread/core " | |
2512 | "on a pseries machine"); | |
2513 | goto out; | |
2514 | } | |
2515 | if (!is_power_of_2(smp_threads)) { | |
2516 | error_setg(&local_err, "Cannot support %d threads/core on a pseries " | |
2517 | "machine because it must be a power of 2", smp_threads); | |
2518 | goto out; | |
2519 | } | |
2520 | ||
2521 | /* Detemine the VSMT mode to use: */ | |
2522 | if (vsmt_user) { | |
2523 | if (spapr->vsmt < smp_threads) { | |
2524 | error_setg(&local_err, "Cannot support VSMT mode %d" | |
2525 | " because it must be >= threads/core (%d)", | |
2526 | spapr->vsmt, smp_threads); | |
2527 | goto out; | |
2528 | } | |
2529 | /* In this case, spapr->vsmt has been set by the command line */ | |
29cb4187 | 2530 | } else if (!smc->smp_threads_vsmt) { |
8904e5a7 DG |
2531 | /* |
2532 | * Default VSMT value is tricky, because we need it to be as | |
2533 | * consistent as possible (for migration), but this requires | |
2534 | * changing it for at least some existing cases. We pick 8 as | |
2535 | * the value that we'd get with KVM on POWER8, the | |
2536 | * overwhelmingly common case in production systems. | |
2537 | */ | |
4ad64cbd | 2538 | spapr->vsmt = MAX(8, smp_threads); |
29cb4187 GK |
2539 | } else { |
2540 | spapr->vsmt = smp_threads; | |
fa98fbfc SB |
2541 | } |
2542 | ||
2543 | /* KVM: If necessary, set the SMT mode: */ | |
2544 | if (kvm_enabled() && (spapr->vsmt != kvm_smt)) { | |
2545 | ret = kvmppc_set_smt_threads(spapr->vsmt); | |
2546 | if (ret) { | |
1f20f2e0 | 2547 | /* Looks like KVM isn't able to change VSMT mode */ |
fa98fbfc SB |
2548 | error_setg(&local_err, |
2549 | "Failed to set KVM's VSMT mode to %d (errno %d)", | |
2550 | spapr->vsmt, ret); | |
1f20f2e0 DG |
2551 | /* We can live with that if the default one is big enough |
2552 | * for the number of threads, and a submultiple of the one | |
2553 | * we want. In this case we'll waste some vcpu ids, but | |
2554 | * behaviour will be correct */ | |
2555 | if ((kvm_smt >= smp_threads) && ((spapr->vsmt % kvm_smt) == 0)) { | |
2556 | warn_report_err(local_err); | |
2557 | local_err = NULL; | |
2558 | goto out; | |
2559 | } else { | |
2560 | if (!vsmt_user) { | |
2561 | error_append_hint(&local_err, | |
2562 | "On PPC, a VM with %d threads/core" | |
2563 | " on a host with %d threads/core" | |
2564 | " requires the use of VSMT mode %d.\n", | |
2565 | smp_threads, kvm_smt, spapr->vsmt); | |
2566 | } | |
2567 | kvmppc_hint_smt_possible(&local_err); | |
2568 | goto out; | |
fa98fbfc | 2569 | } |
fa98fbfc SB |
2570 | } |
2571 | } | |
2572 | /* else TCG: nothing to do currently */ | |
2573 | out: | |
2574 | error_propagate(errp, local_err); | |
2575 | } | |
2576 | ||
ce2918cb | 2577 | static void spapr_init_cpus(SpaprMachineState *spapr) |
1a5008fc GK |
2578 | { |
2579 | MachineState *machine = MACHINE(spapr); | |
2580 | MachineClass *mc = MACHINE_GET_CLASS(machine); | |
ce2918cb | 2581 | SpaprMachineClass *smc = SPAPR_MACHINE_GET_CLASS(machine); |
1a5008fc GK |
2582 | const char *type = spapr_get_cpu_core_type(machine->cpu_type); |
2583 | const CPUArchIdList *possible_cpus; | |
fe6b6346 LX |
2584 | unsigned int smp_cpus = machine->smp.cpus; |
2585 | unsigned int smp_threads = machine->smp.threads; | |
2586 | unsigned int max_cpus = machine->smp.max_cpus; | |
1a5008fc GK |
2587 | int boot_cores_nr = smp_cpus / smp_threads; |
2588 | int i; | |
2589 | ||
2590 | possible_cpus = mc->possible_cpu_arch_ids(machine); | |
2591 | if (mc->has_hotpluggable_cpus) { | |
2592 | if (smp_cpus % smp_threads) { | |
2593 | error_report("smp_cpus (%u) must be multiple of threads (%u)", | |
2594 | smp_cpus, smp_threads); | |
2595 | exit(1); | |
2596 | } | |
2597 | if (max_cpus % smp_threads) { | |
2598 | error_report("max_cpus (%u) must be multiple of threads (%u)", | |
2599 | max_cpus, smp_threads); | |
2600 | exit(1); | |
2601 | } | |
2602 | } else { | |
2603 | if (max_cpus != smp_cpus) { | |
2604 | error_report("This machine version does not support CPU hotplug"); | |
2605 | exit(1); | |
2606 | } | |
2607 | boot_cores_nr = possible_cpus->len; | |
2608 | } | |
2609 | ||
1a5008fc GK |
2610 | if (smc->pre_2_10_has_unused_icps) { |
2611 | int i; | |
2612 | ||
1a518e76 | 2613 | for (i = 0; i < spapr_max_server_number(spapr); i++) { |
1a5008fc GK |
2614 | /* Dummy entries get deregistered when real ICPState objects |
2615 | * are registered during CPU core hotplug. | |
2616 | */ | |
2617 | pre_2_10_vmstate_register_dummy_icp(i); | |
2618 | } | |
2619 | } | |
2620 | ||
2621 | for (i = 0; i < possible_cpus->len; i++) { | |
2622 | int core_id = i * smp_threads; | |
2623 | ||
2624 | if (mc->has_hotpluggable_cpus) { | |
2625 | spapr_dr_connector_new(OBJECT(spapr), TYPE_SPAPR_DRC_CPU, | |
2626 | spapr_vcpu_id(spapr, core_id)); | |
2627 | } | |
2628 | ||
2629 | if (i < boot_cores_nr) { | |
2630 | Object *core = object_new(type); | |
2631 | int nr_threads = smp_threads; | |
2632 | ||
2633 | /* Handle the partially filled core for older machine types */ | |
2634 | if ((i + 1) * smp_threads >= smp_cpus) { | |
2635 | nr_threads = smp_cpus - i * smp_threads; | |
2636 | } | |
2637 | ||
2638 | object_property_set_int(core, nr_threads, "nr-threads", | |
2639 | &error_fatal); | |
2640 | object_property_set_int(core, core_id, CPU_CORE_PROP_CORE_ID, | |
2641 | &error_fatal); | |
2642 | object_property_set_bool(core, true, "realized", &error_fatal); | |
ecda255e SB |
2643 | |
2644 | object_unref(core); | |
1a5008fc GK |
2645 | } |
2646 | } | |
2647 | } | |
2648 | ||
999c9caf GK |
2649 | static PCIHostState *spapr_create_default_phb(void) |
2650 | { | |
2651 | DeviceState *dev; | |
2652 | ||
2653 | dev = qdev_create(NULL, TYPE_SPAPR_PCI_HOST_BRIDGE); | |
2654 | qdev_prop_set_uint32(dev, "index", 0); | |
2655 | qdev_init_nofail(dev); | |
2656 | ||
2657 | return PCI_HOST_BRIDGE(dev); | |
2658 | } | |
2659 | ||
9fdf0c29 | 2660 | /* pSeries LPAR / sPAPR hardware init */ |
bcb5ce08 | 2661 | static void spapr_machine_init(MachineState *machine) |
9fdf0c29 | 2662 | { |
ce2918cb DG |
2663 | SpaprMachineState *spapr = SPAPR_MACHINE(machine); |
2664 | SpaprMachineClass *smc = SPAPR_MACHINE_GET_CLASS(machine); | |
3ef96221 | 2665 | const char *kernel_filename = machine->kernel_filename; |
3ef96221 | 2666 | const char *initrd_filename = machine->initrd_filename; |
8c9f64df | 2667 | PCIHostState *phb; |
9fdf0c29 | 2668 | int i; |
890c2b77 AK |
2669 | MemoryRegion *sysmem = get_system_memory(); |
2670 | MemoryRegion *ram = g_new(MemoryRegion, 1); | |
c86c1aff | 2671 | hwaddr node0_size = spapr_node0_size(machine); |
b7d1f77a | 2672 | long load_limit, fw_size; |
39ac8455 | 2673 | char *filename; |
30f4b05b | 2674 | Error *resize_hpt_err = NULL; |
9fdf0c29 | 2675 | |
226419d6 | 2676 | msi_nonbroken = true; |
0ee2c058 | 2677 | |
d43b45e2 | 2678 | QLIST_INIT(&spapr->phbs); |
0cffce56 | 2679 | QTAILQ_INIT(&spapr->pending_dimm_unplugs); |
d43b45e2 | 2680 | |
9f6edd06 DG |
2681 | /* Determine capabilities to run with */ |
2682 | spapr_caps_init(spapr); | |
2683 | ||
30f4b05b DG |
2684 | kvmppc_check_papr_resize_hpt(&resize_hpt_err); |
2685 | if (spapr->resize_hpt == SPAPR_RESIZE_HPT_DEFAULT) { | |
2686 | /* | |
2687 | * If the user explicitly requested a mode we should either | |
2688 | * supply it, or fail completely (which we do below). But if | |
2689 | * it's not set explicitly, we reset our mode to something | |
2690 | * that works | |
2691 | */ | |
2692 | if (resize_hpt_err) { | |
2693 | spapr->resize_hpt = SPAPR_RESIZE_HPT_DISABLED; | |
2694 | error_free(resize_hpt_err); | |
2695 | resize_hpt_err = NULL; | |
2696 | } else { | |
2697 | spapr->resize_hpt = smc->resize_hpt_default; | |
2698 | } | |
2699 | } | |
2700 | ||
2701 | assert(spapr->resize_hpt != SPAPR_RESIZE_HPT_DEFAULT); | |
2702 | ||
2703 | if ((spapr->resize_hpt != SPAPR_RESIZE_HPT_DISABLED) && resize_hpt_err) { | |
2704 | /* | |
2705 | * User requested HPT resize, but this host can't supply it. Bail out | |
2706 | */ | |
2707 | error_report_err(resize_hpt_err); | |
2708 | exit(1); | |
2709 | } | |
2710 | ||
090052aa | 2711 | spapr->rma_size = node0_size; |
354ac20a | 2712 | |
090052aa DG |
2713 | /* With KVM, we don't actually know whether KVM supports an |
2714 | * unbounded RMA (PR KVM) or is limited by the hash table size | |
2715 | * (HV KVM using VRMA), so we always assume the latter | |
2716 | * | |
2717 | * In that case, we also limit the initial allocations for RTAS | |
2718 | * etc... to 256M since we have no way to know what the VRMA size | |
2719 | * is going to be as it depends on the size of the hash table | |
2720 | * which isn't determined yet. | |
2721 | */ | |
2722 | if (kvm_enabled()) { | |
2723 | spapr->vrma_adjust = 1; | |
2724 | spapr->rma_size = MIN(spapr->rma_size, 0x10000000); | |
354ac20a | 2725 | } |
7f763a5d | 2726 | |
090052aa DG |
2727 | /* Actually we don't support unbounded RMA anymore since we added |
2728 | * proper emulation of HV mode. The max we can get is 16G which | |
2729 | * also happens to be what we configure for PAPR mode so make sure | |
2730 | * we don't do anything bigger than that | |
2731 | */ | |
2732 | spapr->rma_size = MIN(spapr->rma_size, 0x400000000ull); | |
354ac20a | 2733 | |
c4177479 | 2734 | if (spapr->rma_size > node0_size) { |
d54e4d76 DG |
2735 | error_report("Numa node 0 has to span the RMA (%#08"HWADDR_PRIx")", |
2736 | spapr->rma_size); | |
c4177479 AK |
2737 | exit(1); |
2738 | } | |
2739 | ||
b7d1f77a BH |
2740 | /* Setup a load limit for the ramdisk leaving room for SLOF and FDT */ |
2741 | load_limit = MIN(spapr->rma_size, RTAS_MAX_ADDR) - FW_OVERHEAD; | |
9fdf0c29 | 2742 | |
482969d6 CLG |
2743 | /* |
2744 | * VSMT must be set in order to be able to compute VCPU ids, ie to | |
1a518e76 | 2745 | * call spapr_max_server_number() or spapr_vcpu_id(). |
482969d6 CLG |
2746 | */ |
2747 | spapr_set_vsmt_mode(spapr, &error_fatal); | |
2748 | ||
7b565160 | 2749 | /* Set up Interrupt Controller before we create the VCPUs */ |
fab397d8 | 2750 | spapr_irq_init(spapr, &error_fatal); |
7b565160 | 2751 | |
dc1b5eee GK |
2752 | /* Set up containers for ibm,client-architecture-support negotiated options |
2753 | */ | |
facdb8b6 MR |
2754 | spapr->ov5 = spapr_ovec_new(); |
2755 | spapr->ov5_cas = spapr_ovec_new(); | |
2756 | ||
224245bf | 2757 | if (smc->dr_lmb_enabled) { |
facdb8b6 | 2758 | spapr_ovec_set(spapr->ov5, OV5_DRCONF_MEMORY); |
7c150d6f | 2759 | spapr_validate_node_memory(machine, &error_fatal); |
224245bf DG |
2760 | } |
2761 | ||
417ece33 MR |
2762 | spapr_ovec_set(spapr->ov5, OV5_FORM1_AFFINITY); |
2763 | ||
ffbb1705 MR |
2764 | /* advertise support for dedicated HP event source to guests */ |
2765 | if (spapr->use_hotplug_event_source) { | |
2766 | spapr_ovec_set(spapr->ov5, OV5_HP_EVT); | |
2767 | } | |
2768 | ||
2772cf6b DG |
2769 | /* advertise support for HPT resizing */ |
2770 | if (spapr->resize_hpt != SPAPR_RESIZE_HPT_DISABLED) { | |
2771 | spapr_ovec_set(spapr->ov5, OV5_HPT_RESIZE); | |
2772 | } | |
2773 | ||
a324d6f1 BR |
2774 | /* advertise support for ibm,dyamic-memory-v2 */ |
2775 | spapr_ovec_set(spapr->ov5, OV5_DRMEM_V2); | |
2776 | ||
db592b5b | 2777 | /* advertise XIVE on POWER9 machines */ |
ca62823b | 2778 | if (spapr->irq->xive) { |
273fef83 | 2779 | spapr_ovec_set(spapr->ov5, OV5_XIVE_EXPLOIT); |
db592b5b CLG |
2780 | } |
2781 | ||
9fdf0c29 | 2782 | /* init CPUs */ |
0c86d0fd | 2783 | spapr_init_cpus(spapr); |
9fdf0c29 | 2784 | |
58c46efa LV |
2785 | /* |
2786 | * check we don't have a memory-less/cpu-less NUMA node | |
2787 | * Firmware relies on the existing memory/cpu topology to provide the | |
2788 | * NUMA topology to the kernel. | |
2789 | * And the linux kernel needs to know the NUMA topology at start | |
2790 | * to be able to hotplug CPUs later. | |
2791 | */ | |
2792 | if (machine->numa_state->num_nodes) { | |
2793 | for (i = 0; i < machine->numa_state->num_nodes; ++i) { | |
2794 | /* check for memory-less node */ | |
2795 | if (machine->numa_state->nodes[i].node_mem == 0) { | |
2796 | CPUState *cs; | |
2797 | int found = 0; | |
2798 | /* check for cpu-less node */ | |
2799 | CPU_FOREACH(cs) { | |
2800 | PowerPCCPU *cpu = POWERPC_CPU(cs); | |
2801 | if (cpu->node_id == i) { | |
2802 | found = 1; | |
2803 | break; | |
2804 | } | |
2805 | } | |
2806 | /* memory-less and cpu-less node */ | |
2807 | if (!found) { | |
2808 | error_report( | |
2809 | "Memory-less/cpu-less nodes are not supported (node %d)", | |
2810 | i); | |
2811 | exit(1); | |
2812 | } | |
2813 | } | |
2814 | } | |
2815 | ||
2816 | } | |
2817 | ||
db5127b2 DG |
2818 | /* |
2819 | * NVLink2-connected GPU RAM needs to be placed on a separate NUMA node. | |
2820 | * We assign a new numa ID per GPU in spapr_pci_collect_nvgpu() which is | |
2821 | * called from vPHB reset handler so we initialize the counter here. | |
2822 | * If no NUMA is configured from the QEMU side, we start from 1 as GPU RAM | |
2823 | * must be equally distant from any other node. | |
2824 | * The final value of spapr->gpu_numa_id is going to be written to | |
2825 | * max-associativity-domains in spapr_build_fdt(). | |
2826 | */ | |
2827 | spapr->gpu_numa_id = MAX(1, machine->numa_state->num_nodes); | |
2828 | ||
0550b120 | 2829 | if ((!kvm_enabled() || kvmppc_has_cap_mmu_radix()) && |
ad99d04c DG |
2830 | ppc_type_check_compat(machine->cpu_type, CPU_POWERPC_LOGICAL_3_00, 0, |
2831 | spapr->max_compat_pvr)) { | |
0550b120 GK |
2832 | /* KVM and TCG always allow GTSE with radix... */ |
2833 | spapr_ovec_set(spapr->ov5, OV5_MMU_RADIX_GTSE); | |
2834 | } | |
2835 | /* ... but not with hash (currently). */ | |
2836 | ||
026bfd89 DG |
2837 | if (kvm_enabled()) { |
2838 | /* Enable H_LOGICAL_CI_* so SLOF can talk to in-kernel devices */ | |
2839 | kvmppc_enable_logical_ci_hcalls(); | |
ef9971dd | 2840 | kvmppc_enable_set_mode_hcall(); |
5145ad4f NW |
2841 | |
2842 | /* H_CLEAR_MOD/_REF are mandatory in PAPR, but off by default */ | |
2843 | kvmppc_enable_clear_ref_mod_hcalls(); | |
68f9f708 SJS |
2844 | |
2845 | /* Enable H_PAGE_INIT */ | |
2846 | kvmppc_enable_h_page_init(); | |
026bfd89 DG |
2847 | } |
2848 | ||
9fdf0c29 | 2849 | /* allocate RAM */ |
f92f5da1 | 2850 | memory_region_allocate_system_memory(ram, NULL, "ppc_spapr.ram", |
fb164994 | 2851 | machine->ram_size); |
f92f5da1 | 2852 | memory_region_add_subregion(sysmem, 0, ram); |
9fdf0c29 | 2853 | |
b0c14ec4 DH |
2854 | /* always allocate the device memory information */ |
2855 | machine->device_memory = g_malloc0(sizeof(*machine->device_memory)); | |
2856 | ||
4a1c9cf0 BR |
2857 | /* initialize hotplug memory address space */ |
2858 | if (machine->ram_size < machine->maxram_size) { | |
0c9269a5 | 2859 | ram_addr_t device_mem_size = machine->maxram_size - machine->ram_size; |
71c9a3dd BR |
2860 | /* |
2861 | * Limit the number of hotpluggable memory slots to half the number | |
2862 | * slots that KVM supports, leaving the other half for PCI and other | |
2863 | * devices. However ensure that number of slots doesn't drop below 32. | |
2864 | */ | |
2865 | int max_memslots = kvm_enabled() ? kvm_get_max_memslots() / 2 : | |
2866 | SPAPR_MAX_RAM_SLOTS; | |
4a1c9cf0 | 2867 | |
71c9a3dd BR |
2868 | if (max_memslots < SPAPR_MAX_RAM_SLOTS) { |
2869 | max_memslots = SPAPR_MAX_RAM_SLOTS; | |
2870 | } | |
2871 | if (machine->ram_slots > max_memslots) { | |
d54e4d76 DG |
2872 | error_report("Specified number of memory slots %" |
2873 | PRIu64" exceeds max supported %d", | |
71c9a3dd | 2874 | machine->ram_slots, max_memslots); |
d54e4d76 | 2875 | exit(1); |
4a1c9cf0 BR |
2876 | } |
2877 | ||
b0c14ec4 | 2878 | machine->device_memory->base = ROUND_UP(machine->ram_size, |
0c9269a5 | 2879 | SPAPR_DEVICE_MEM_ALIGN); |
b0c14ec4 | 2880 | memory_region_init(&machine->device_memory->mr, OBJECT(spapr), |
0c9269a5 | 2881 | "device-memory", device_mem_size); |
b0c14ec4 DH |
2882 | memory_region_add_subregion(sysmem, machine->device_memory->base, |
2883 | &machine->device_memory->mr); | |
4a1c9cf0 BR |
2884 | } |
2885 | ||
224245bf DG |
2886 | if (smc->dr_lmb_enabled) { |
2887 | spapr_create_lmb_dr_connectors(spapr); | |
2888 | } | |
2889 | ||
ffbb1705 | 2890 | /* Set up RTAS event infrastructure */ |
74d042e5 DG |
2891 | spapr_events_init(spapr); |
2892 | ||
12f42174 | 2893 | /* Set up the RTC RTAS interfaces */ |
28df36a1 | 2894 | spapr_rtc_create(spapr); |
12f42174 | 2895 | |
b5cec4c5 | 2896 | /* Set up VIO bus */ |
4040ab72 DG |
2897 | spapr->vio_bus = spapr_vio_bus_init(); |
2898 | ||
b8846a4d | 2899 | for (i = 0; i < serial_max_hds(); i++) { |
9bca0edb PM |
2900 | if (serial_hd(i)) { |
2901 | spapr_vty_create(spapr->vio_bus, serial_hd(i)); | |
4040ab72 DG |
2902 | } |
2903 | } | |
9fdf0c29 | 2904 | |
639e8102 DG |
2905 | /* We always have at least the nvram device on VIO */ |
2906 | spapr_create_nvram(spapr); | |
2907 | ||
962b6c36 MR |
2908 | /* |
2909 | * Setup hotplug / dynamic-reconfiguration connectors. top-level | |
2910 | * connectors (described in root DT node's "ibm,drc-types" property) | |
2911 | * are pre-initialized here. additional child connectors (such as | |
2912 | * connectors for a PHBs PCI slots) are added as needed during their | |
2913 | * parent's realization. | |
2914 | */ | |
2915 | if (smc->dr_phb_enabled) { | |
2916 | for (i = 0; i < SPAPR_MAX_PHBS; i++) { | |
2917 | spapr_dr_connector_new(OBJECT(machine), TYPE_SPAPR_DRC_PHB, i); | |
2918 | } | |
2919 | } | |
2920 | ||
3384f95c | 2921 | /* Set up PCI */ |
fa28f71b AK |
2922 | spapr_pci_rtas_init(); |
2923 | ||
999c9caf | 2924 | phb = spapr_create_default_phb(); |
3384f95c | 2925 | |
277f9acf | 2926 | for (i = 0; i < nb_nics; i++) { |
8d90ad90 DG |
2927 | NICInfo *nd = &nd_table[i]; |
2928 | ||
2929 | if (!nd->model) { | |
3c3a4e7a | 2930 | nd->model = g_strdup("spapr-vlan"); |
8d90ad90 DG |
2931 | } |
2932 | ||
3c3a4e7a TH |
2933 | if (g_str_equal(nd->model, "spapr-vlan") || |
2934 | g_str_equal(nd->model, "ibmveth")) { | |
d601fac4 | 2935 | spapr_vlan_create(spapr->vio_bus, nd); |
8d90ad90 | 2936 | } else { |
29b358f9 | 2937 | pci_nic_init_nofail(&nd_table[i], phb->bus, nd->model, NULL); |
8d90ad90 DG |
2938 | } |
2939 | } | |
2940 | ||
6e270446 | 2941 | for (i = 0; i <= drive_get_max_bus(IF_SCSI); i++) { |
d601fac4 | 2942 | spapr_vscsi_create(spapr->vio_bus); |
6e270446 BH |
2943 | } |
2944 | ||
f28359d8 | 2945 | /* Graphics */ |
14c6a894 | 2946 | if (spapr_vga_init(phb->bus, &error_fatal)) { |
3fc5acde | 2947 | spapr->has_graphics = true; |
c6e76503 | 2948 | machine->usb |= defaults_enabled() && !machine->usb_disabled; |
f28359d8 LZ |
2949 | } |
2950 | ||
4ee9ced9 | 2951 | if (machine->usb) { |
57040d45 TH |
2952 | if (smc->use_ohci_by_default) { |
2953 | pci_create_simple(phb->bus, -1, "pci-ohci"); | |
2954 | } else { | |
2955 | pci_create_simple(phb->bus, -1, "nec-usb-xhci"); | |
2956 | } | |
c86580b8 | 2957 | |
35139a59 | 2958 | if (spapr->has_graphics) { |
c86580b8 MA |
2959 | USBBus *usb_bus = usb_bus_find(-1); |
2960 | ||
2961 | usb_create_simple(usb_bus, "usb-kbd"); | |
2962 | usb_create_simple(usb_bus, "usb-mouse"); | |
35139a59 DG |
2963 | } |
2964 | } | |
2965 | ||
ab3dd749 | 2966 | if (spapr->rma_size < (MIN_RMA_SLOF * MiB)) { |
d54e4d76 DG |
2967 | error_report( |
2968 | "pSeries SLOF firmware requires >= %ldM guest RMA (Real Mode Area memory)", | |
2969 | MIN_RMA_SLOF); | |
4d8d5467 BH |
2970 | exit(1); |
2971 | } | |
2972 | ||
9fdf0c29 DG |
2973 | if (kernel_filename) { |
2974 | uint64_t lowaddr = 0; | |
2975 | ||
4366e1db LM |
2976 | spapr->kernel_size = load_elf(kernel_filename, NULL, |
2977 | translate_kernel_address, NULL, | |
2978 | NULL, &lowaddr, NULL, 1, | |
a19f7fb0 DG |
2979 | PPC_ELF_MACHINE, 0, 0); |
2980 | if (spapr->kernel_size == ELF_LOAD_WRONG_ENDIAN) { | |
4366e1db | 2981 | spapr->kernel_size = load_elf(kernel_filename, NULL, |
a19f7fb0 DG |
2982 | translate_kernel_address, NULL, NULL, |
2983 | &lowaddr, NULL, 0, PPC_ELF_MACHINE, | |
2984 | 0, 0); | |
2985 | spapr->kernel_le = spapr->kernel_size > 0; | |
16457e7f | 2986 | } |
a19f7fb0 DG |
2987 | if (spapr->kernel_size < 0) { |
2988 | error_report("error loading %s: %s", kernel_filename, | |
2989 | load_elf_strerror(spapr->kernel_size)); | |
9fdf0c29 DG |
2990 | exit(1); |
2991 | } | |
2992 | ||
2993 | /* load initrd */ | |
2994 | if (initrd_filename) { | |
4d8d5467 BH |
2995 | /* Try to locate the initrd in the gap between the kernel |
2996 | * and the firmware. Add a bit of space just in case | |
2997 | */ | |
a19f7fb0 DG |
2998 | spapr->initrd_base = (KERNEL_LOAD_ADDR + spapr->kernel_size |
2999 | + 0x1ffff) & ~0xffff; | |
3000 | spapr->initrd_size = load_image_targphys(initrd_filename, | |
3001 | spapr->initrd_base, | |
3002 | load_limit | |
3003 | - spapr->initrd_base); | |
3004 | if (spapr->initrd_size < 0) { | |
d54e4d76 DG |
3005 | error_report("could not load initial ram disk '%s'", |
3006 | initrd_filename); | |
9fdf0c29 DG |
3007 | exit(1); |
3008 | } | |
9fdf0c29 | 3009 | } |
4d8d5467 | 3010 | } |
a3467baa | 3011 | |
8e7ea787 AF |
3012 | if (bios_name == NULL) { |
3013 | bios_name = FW_FILE_NAME; | |
3014 | } | |
3015 | filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name); | |
4c56440d | 3016 | if (!filename) { |
68fea5a0 | 3017 | error_report("Could not find LPAR firmware '%s'", bios_name); |
4c56440d SW |
3018 | exit(1); |
3019 | } | |
4d8d5467 | 3020 | fw_size = load_image_targphys(filename, 0, FW_MAX_SIZE); |
68fea5a0 TH |
3021 | if (fw_size <= 0) { |
3022 | error_report("Could not load LPAR firmware '%s'", filename); | |
4d8d5467 BH |
3023 | exit(1); |
3024 | } | |
3025 | g_free(filename); | |
4d8d5467 | 3026 | |
28e02042 DG |
3027 | /* FIXME: Should register things through the MachineState's qdev |
3028 | * interface, this is a legacy from the sPAPREnvironment structure | |
3029 | * which predated MachineState but had a similar function */ | |
4be21d56 | 3030 | vmstate_register(NULL, 0, &vmstate_spapr, spapr); |
ce62df53 | 3031 | register_savevm_live("spapr/htab", -1, 1, |
4be21d56 DG |
3032 | &savevm_htab_handlers, spapr); |
3033 | ||
bb2bdd81 GK |
3034 | qbus_set_hotplug_handler(sysbus_get_default(), OBJECT(machine), |
3035 | &error_fatal); | |
3036 | ||
5b2128d2 | 3037 | qemu_register_boot_set(spapr_boot_set, spapr); |
42043e4f | 3038 | |
93eac7b8 NP |
3039 | /* |
3040 | * Nothing needs to be done to resume a suspended guest because | |
3041 | * suspending does not change the machine state, so no need for | |
3042 | * a ->wakeup method. | |
3043 | */ | |
3044 | qemu_register_wakeup_support(); | |
3045 | ||
42043e4f | 3046 | if (kvm_enabled()) { |
3dc410ae | 3047 | /* to stop and start vmclock */ |
42043e4f LV |
3048 | qemu_add_vm_change_state_handler(cpu_ppc_clock_vm_state_change, |
3049 | &spapr->tb); | |
3dc410ae AK |
3050 | |
3051 | kvmppc_spapr_enable_inkernel_multitce(); | |
42043e4f | 3052 | } |
9fdf0c29 DG |
3053 | } |
3054 | ||
dc0ca80e | 3055 | static int spapr_kvm_type(MachineState *machine, const char *vm_type) |
135a129a AK |
3056 | { |
3057 | if (!vm_type) { | |
3058 | return 0; | |
3059 | } | |
3060 | ||
3061 | if (!strcmp(vm_type, "HV")) { | |
3062 | return 1; | |
3063 | } | |
3064 | ||
3065 | if (!strcmp(vm_type, "PR")) { | |
3066 | return 2; | |
3067 | } | |
3068 | ||
3069 | error_report("Unknown kvm-type specified '%s'", vm_type); | |
3070 | exit(1); | |
3071 | } | |
3072 | ||
71461b0f | 3073 | /* |
627b84f4 | 3074 | * Implementation of an interface to adjust firmware path |
71461b0f AK |
3075 | * for the bootindex property handling. |
3076 | */ | |
3077 | static char *spapr_get_fw_dev_path(FWPathProvider *p, BusState *bus, | |
3078 | DeviceState *dev) | |
3079 | { | |
3080 | #define CAST(type, obj, name) \ | |
3081 | ((type *)object_dynamic_cast(OBJECT(obj), (name))) | |
3082 | SCSIDevice *d = CAST(SCSIDevice, dev, TYPE_SCSI_DEVICE); | |
ce2918cb | 3083 | SpaprPhbState *phb = CAST(SpaprPhbState, dev, TYPE_SPAPR_PCI_HOST_BRIDGE); |
c4e13492 | 3084 | VHostSCSICommon *vsc = CAST(VHostSCSICommon, dev, TYPE_VHOST_SCSI_COMMON); |
71461b0f AK |
3085 | |
3086 | if (d) { | |
3087 | void *spapr = CAST(void, bus->parent, "spapr-vscsi"); | |
3088 | VirtIOSCSI *virtio = CAST(VirtIOSCSI, bus->parent, TYPE_VIRTIO_SCSI); | |
3089 | USBDevice *usb = CAST(USBDevice, bus->parent, TYPE_USB_DEVICE); | |
3090 | ||
3091 | if (spapr) { | |
3092 | /* | |
3093 | * Replace "channel@0/disk@0,0" with "disk@8000000000000000": | |
1ac24c91 TH |
3094 | * In the top 16 bits of the 64-bit LUN, we use SRP luns of the form |
3095 | * 0x8000 | (target << 8) | (bus << 5) | lun | |
3096 | * (see the "Logical unit addressing format" table in SAM5) | |
71461b0f | 3097 | */ |
1ac24c91 | 3098 | unsigned id = 0x8000 | (d->id << 8) | (d->channel << 5) | d->lun; |
71461b0f AK |
3099 | return g_strdup_printf("%s@%"PRIX64, qdev_fw_name(dev), |
3100 | (uint64_t)id << 48); | |
3101 | } else if (virtio) { | |
3102 | /* | |
3103 | * We use SRP luns of the form 01000000 | (target << 8) | lun | |
3104 | * in the top 32 bits of the 64-bit LUN | |
3105 | * Note: the quote above is from SLOF and it is wrong, | |
3106 | * the actual binding is: | |
3107 | * swap 0100 or 10 << or 20 << ( target lun-id -- srplun ) | |
3108 | */ | |
3109 | unsigned id = 0x1000000 | (d->id << 16) | d->lun; | |
bac658d1 TH |
3110 | if (d->lun >= 256) { |
3111 | /* Use the LUN "flat space addressing method" */ | |
3112 | id |= 0x4000; | |
3113 | } | |
71461b0f AK |
3114 | return g_strdup_printf("%s@%"PRIX64, qdev_fw_name(dev), |
3115 | (uint64_t)id << 32); | |
3116 | } else if (usb) { | |
3117 | /* | |
3118 | * We use SRP luns of the form 01000000 | (usb-port << 16) | lun | |
3119 | * in the top 32 bits of the 64-bit LUN | |
3120 | */ | |
3121 | unsigned usb_port = atoi(usb->port->path); | |
3122 | unsigned id = 0x1000000 | (usb_port << 16) | d->lun; | |
3123 | return g_strdup_printf("%s@%"PRIX64, qdev_fw_name(dev), | |
3124 | (uint64_t)id << 32); | |
3125 | } | |
3126 | } | |
3127 | ||
b99260eb TH |
3128 | /* |
3129 | * SLOF probes the USB devices, and if it recognizes that the device is a | |
3130 | * storage device, it changes its name to "storage" instead of "usb-host", | |
3131 | * and additionally adds a child node for the SCSI LUN, so the correct | |
3132 | * boot path in SLOF is something like .../storage@1/disk@xxx" instead. | |
3133 | */ | |
3134 | if (strcmp("usb-host", qdev_fw_name(dev)) == 0) { | |
3135 | USBDevice *usbdev = CAST(USBDevice, dev, TYPE_USB_DEVICE); | |
3136 | if (usb_host_dev_is_scsi_storage(usbdev)) { | |
3137 | return g_strdup_printf("storage@%s/disk", usbdev->port->path); | |
3138 | } | |
3139 | } | |
3140 | ||
71461b0f AK |
3141 | if (phb) { |
3142 | /* Replace "pci" with "pci@800000020000000" */ | |
3143 | return g_strdup_printf("pci@%"PRIX64, phb->buid); | |
3144 | } | |
3145 | ||
c4e13492 FF |
3146 | if (vsc) { |
3147 | /* Same logic as virtio above */ | |
3148 | unsigned id = 0x1000000 | (vsc->target << 16) | vsc->lun; | |
3149 | return g_strdup_printf("disk@%"PRIX64, (uint64_t)id << 32); | |
3150 | } | |
3151 | ||
4871dd4c TH |
3152 | if (g_str_equal("pci-bridge", qdev_fw_name(dev))) { |
3153 | /* SLOF uses "pci" instead of "pci-bridge" for PCI bridges */ | |
3154 | PCIDevice *pcidev = CAST(PCIDevice, dev, TYPE_PCI_DEVICE); | |
3155 | return g_strdup_printf("pci@%x", PCI_SLOT(pcidev->devfn)); | |
3156 | } | |
3157 | ||
71461b0f AK |
3158 | return NULL; |
3159 | } | |
3160 | ||
23825581 EH |
3161 | static char *spapr_get_kvm_type(Object *obj, Error **errp) |
3162 | { | |
ce2918cb | 3163 | SpaprMachineState *spapr = SPAPR_MACHINE(obj); |
23825581 | 3164 | |
28e02042 | 3165 | return g_strdup(spapr->kvm_type); |
23825581 EH |
3166 | } |
3167 | ||
3168 | static void spapr_set_kvm_type(Object *obj, const char *value, Error **errp) | |
3169 | { | |
ce2918cb | 3170 | SpaprMachineState *spapr = SPAPR_MACHINE(obj); |
23825581 | 3171 | |
28e02042 DG |
3172 | g_free(spapr->kvm_type); |
3173 | spapr->kvm_type = g_strdup(value); | |
23825581 EH |
3174 | } |
3175 | ||
f6229214 MR |
3176 | static bool spapr_get_modern_hotplug_events(Object *obj, Error **errp) |
3177 | { | |
ce2918cb | 3178 | SpaprMachineState *spapr = SPAPR_MACHINE(obj); |
f6229214 MR |
3179 | |
3180 | return spapr->use_hotplug_event_source; | |
3181 | } | |
3182 | ||
3183 | static void spapr_set_modern_hotplug_events(Object *obj, bool value, | |
3184 | Error **errp) | |
3185 | { | |
ce2918cb | 3186 | SpaprMachineState *spapr = SPAPR_MACHINE(obj); |
f6229214 MR |
3187 | |
3188 | spapr->use_hotplug_event_source = value; | |
3189 | } | |
3190 | ||
fcad0d21 AK |
3191 | static bool spapr_get_msix_emulation(Object *obj, Error **errp) |
3192 | { | |
3193 | return true; | |
3194 | } | |
3195 | ||
30f4b05b DG |
3196 | static char *spapr_get_resize_hpt(Object *obj, Error **errp) |
3197 | { | |
ce2918cb | 3198 | SpaprMachineState *spapr = SPAPR_MACHINE(obj); |
30f4b05b DG |
3199 | |
3200 | switch (spapr->resize_hpt) { | |
3201 | case SPAPR_RESIZE_HPT_DEFAULT: | |
3202 | return g_strdup("default"); | |
3203 | case SPAPR_RESIZE_HPT_DISABLED: | |
3204 | return g_strdup("disabled"); | |
3205 | case SPAPR_RESIZE_HPT_ENABLED: | |
3206 | return g_strdup("enabled"); | |
3207 | case SPAPR_RESIZE_HPT_REQUIRED: | |
3208 | return g_strdup("required"); | |
3209 | } | |
3210 | g_assert_not_reached(); | |
3211 | } | |
3212 | ||
3213 | static void spapr_set_resize_hpt(Object *obj, const char *value, Error **errp) | |
3214 | { | |
ce2918cb | 3215 | SpaprMachineState *spapr = SPAPR_MACHINE(obj); |
30f4b05b DG |
3216 | |
3217 | if (strcmp(value, "default") == 0) { | |
3218 | spapr->resize_hpt = SPAPR_RESIZE_HPT_DEFAULT; | |
3219 | } else if (strcmp(value, "disabled") == 0) { | |
3220 | spapr->resize_hpt = SPAPR_RESIZE_HPT_DISABLED; | |
3221 | } else if (strcmp(value, "enabled") == 0) { | |
3222 | spapr->resize_hpt = SPAPR_RESIZE_HPT_ENABLED; | |
3223 | } else if (strcmp(value, "required") == 0) { | |
3224 | spapr->resize_hpt = SPAPR_RESIZE_HPT_REQUIRED; | |
3225 | } else { | |
3226 | error_setg(errp, "Bad value for \"resize-hpt\" property"); | |
3227 | } | |
3228 | } | |
3229 | ||
fa98fbfc SB |
3230 | static void spapr_get_vsmt(Object *obj, Visitor *v, const char *name, |
3231 | void *opaque, Error **errp) | |
3232 | { | |
3233 | visit_type_uint32(v, name, (uint32_t *)opaque, errp); | |
3234 | } | |
3235 | ||
3236 | static void spapr_set_vsmt(Object *obj, Visitor *v, const char *name, | |
3237 | void *opaque, Error **errp) | |
3238 | { | |
3239 | visit_type_uint32(v, name, (uint32_t *)opaque, errp); | |
3240 | } | |
3241 | ||
3ba3d0bc CLG |
3242 | static char *spapr_get_ic_mode(Object *obj, Error **errp) |
3243 | { | |
ce2918cb | 3244 | SpaprMachineState *spapr = SPAPR_MACHINE(obj); |
3ba3d0bc CLG |
3245 | |
3246 | if (spapr->irq == &spapr_irq_xics_legacy) { | |
3247 | return g_strdup("legacy"); | |
3248 | } else if (spapr->irq == &spapr_irq_xics) { | |
3249 | return g_strdup("xics"); | |
3250 | } else if (spapr->irq == &spapr_irq_xive) { | |
3251 | return g_strdup("xive"); | |
13db0cd9 CLG |
3252 | } else if (spapr->irq == &spapr_irq_dual) { |
3253 | return g_strdup("dual"); | |
3ba3d0bc CLG |
3254 | } |
3255 | g_assert_not_reached(); | |
3256 | } | |
3257 | ||
3258 | static void spapr_set_ic_mode(Object *obj, const char *value, Error **errp) | |
3259 | { | |
ce2918cb | 3260 | SpaprMachineState *spapr = SPAPR_MACHINE(obj); |
3ba3d0bc | 3261 | |
21df5e4f GK |
3262 | if (SPAPR_MACHINE_GET_CLASS(spapr)->legacy_irq_allocation) { |
3263 | error_setg(errp, "This machine only uses the legacy XICS backend, don't pass ic-mode"); | |
3264 | return; | |
3265 | } | |
3266 | ||
3ba3d0bc CLG |
3267 | /* The legacy IRQ backend can not be set */ |
3268 | if (strcmp(value, "xics") == 0) { | |
3269 | spapr->irq = &spapr_irq_xics; | |
3270 | } else if (strcmp(value, "xive") == 0) { | |
3271 | spapr->irq = &spapr_irq_xive; | |
13db0cd9 CLG |
3272 | } else if (strcmp(value, "dual") == 0) { |
3273 | spapr->irq = &spapr_irq_dual; | |
3ba3d0bc CLG |
3274 | } else { |
3275 | error_setg(errp, "Bad value for \"ic-mode\" property"); | |
3276 | } | |
3277 | } | |
3278 | ||
27461d69 PP |
3279 | static char *spapr_get_host_model(Object *obj, Error **errp) |
3280 | { | |
ce2918cb | 3281 | SpaprMachineState *spapr = SPAPR_MACHINE(obj); |
27461d69 PP |
3282 | |
3283 | return g_strdup(spapr->host_model); | |
3284 | } | |
3285 | ||
3286 | static void spapr_set_host_model(Object *obj, const char *value, Error **errp) | |
3287 | { | |
ce2918cb | 3288 | SpaprMachineState *spapr = SPAPR_MACHINE(obj); |
27461d69 PP |
3289 | |
3290 | g_free(spapr->host_model); | |
3291 | spapr->host_model = g_strdup(value); | |
3292 | } | |
3293 | ||
3294 | static char *spapr_get_host_serial(Object *obj, Error **errp) | |
3295 | { | |
ce2918cb | 3296 | SpaprMachineState *spapr = SPAPR_MACHINE(obj); |
27461d69 PP |
3297 | |
3298 | return g_strdup(spapr->host_serial); | |
3299 | } | |
3300 | ||
3301 | static void spapr_set_host_serial(Object *obj, const char *value, Error **errp) | |
3302 | { | |
ce2918cb | 3303 | SpaprMachineState *spapr = SPAPR_MACHINE(obj); |
27461d69 PP |
3304 | |
3305 | g_free(spapr->host_serial); | |
3306 | spapr->host_serial = g_strdup(value); | |
3307 | } | |
3308 | ||
bcb5ce08 | 3309 | static void spapr_instance_init(Object *obj) |
23825581 | 3310 | { |
ce2918cb DG |
3311 | SpaprMachineState *spapr = SPAPR_MACHINE(obj); |
3312 | SpaprMachineClass *smc = SPAPR_MACHINE_GET_CLASS(spapr); | |
715c5407 DG |
3313 | |
3314 | spapr->htab_fd = -1; | |
f6229214 | 3315 | spapr->use_hotplug_event_source = true; |
23825581 EH |
3316 | object_property_add_str(obj, "kvm-type", |
3317 | spapr_get_kvm_type, spapr_set_kvm_type, NULL); | |
49d2e648 MA |
3318 | object_property_set_description(obj, "kvm-type", |
3319 | "Specifies the KVM virtualization mode (HV, PR)", | |
3320 | NULL); | |
f6229214 MR |
3321 | object_property_add_bool(obj, "modern-hotplug-events", |
3322 | spapr_get_modern_hotplug_events, | |
3323 | spapr_set_modern_hotplug_events, | |
3324 | NULL); | |
3325 | object_property_set_description(obj, "modern-hotplug-events", | |
3326 | "Use dedicated hotplug event mechanism in" | |
3327 | " place of standard EPOW events when possible" | |
3328 | " (required for memory hot-unplug support)", | |
3329 | NULL); | |
7843c0d6 DG |
3330 | ppc_compat_add_property(obj, "max-cpu-compat", &spapr->max_compat_pvr, |
3331 | "Maximum permitted CPU compatibility mode", | |
3332 | &error_fatal); | |
30f4b05b DG |
3333 | |
3334 | object_property_add_str(obj, "resize-hpt", | |
3335 | spapr_get_resize_hpt, spapr_set_resize_hpt, NULL); | |
3336 | object_property_set_description(obj, "resize-hpt", | |
3337 | "Resizing of the Hash Page Table (enabled, disabled, required)", | |
3338 | NULL); | |
fa98fbfc SB |
3339 | object_property_add(obj, "vsmt", "uint32", spapr_get_vsmt, |
3340 | spapr_set_vsmt, NULL, &spapr->vsmt, &error_abort); | |
3341 | object_property_set_description(obj, "vsmt", | |
3342 | "Virtual SMT: KVM behaves as if this were" | |
3343 | " the host's SMT mode", &error_abort); | |
fcad0d21 AK |
3344 | object_property_add_bool(obj, "vfio-no-msix-emulation", |
3345 | spapr_get_msix_emulation, NULL, NULL); | |
3ba3d0bc CLG |
3346 | |
3347 | /* The machine class defines the default interrupt controller mode */ | |
3348 | spapr->irq = smc->irq; | |
3349 | object_property_add_str(obj, "ic-mode", spapr_get_ic_mode, | |
3350 | spapr_set_ic_mode, NULL); | |
3351 | object_property_set_description(obj, "ic-mode", | |
13db0cd9 | 3352 | "Specifies the interrupt controller mode (xics, xive, dual)", |
3ba3d0bc | 3353 | NULL); |
27461d69 PP |
3354 | |
3355 | object_property_add_str(obj, "host-model", | |
3356 | spapr_get_host_model, spapr_set_host_model, | |
3357 | &error_abort); | |
3358 | object_property_set_description(obj, "host-model", | |
0a794529 | 3359 | "Host model to advertise in guest device tree", &error_abort); |
27461d69 PP |
3360 | object_property_add_str(obj, "host-serial", |
3361 | spapr_get_host_serial, spapr_set_host_serial, | |
3362 | &error_abort); | |
3363 | object_property_set_description(obj, "host-serial", | |
0a794529 | 3364 | "Host serial number to advertise in guest device tree", &error_abort); |
23825581 EH |
3365 | } |
3366 | ||
87bbdd9c DG |
3367 | static void spapr_machine_finalizefn(Object *obj) |
3368 | { | |
ce2918cb | 3369 | SpaprMachineState *spapr = SPAPR_MACHINE(obj); |
87bbdd9c DG |
3370 | |
3371 | g_free(spapr->kvm_type); | |
3372 | } | |
3373 | ||
1c7ad77e | 3374 | void spapr_do_system_reset_on_cpu(CPUState *cs, run_on_cpu_data arg) |
34316482 | 3375 | { |
34316482 AK |
3376 | cpu_synchronize_state(cs); |
3377 | ppc_cpu_do_system_reset(cs); | |
3378 | } | |
3379 | ||
3380 | static void spapr_nmi(NMIState *n, int cpu_index, Error **errp) | |
3381 | { | |
3382 | CPUState *cs; | |
3383 | ||
3384 | CPU_FOREACH(cs) { | |
1c7ad77e | 3385 | async_run_on_cpu(cs, spapr_do_system_reset_on_cpu, RUN_ON_CPU_NULL); |
34316482 AK |
3386 | } |
3387 | } | |
3388 | ||
ce2918cb | 3389 | int spapr_lmb_dt_populate(SpaprDrc *drc, SpaprMachineState *spapr, |
62d38c9b GK |
3390 | void *fdt, int *fdt_start_offset, Error **errp) |
3391 | { | |
3392 | uint64_t addr; | |
3393 | uint32_t node; | |
3394 | ||
3395 | addr = spapr_drc_index(drc) * SPAPR_MEMORY_BLOCK_SIZE; | |
3396 | node = object_property_get_uint(OBJECT(drc->dev), PC_DIMM_NODE_PROP, | |
3397 | &error_abort); | |
3398 | *fdt_start_offset = spapr_populate_memory_node(fdt, node, addr, | |
3399 | SPAPR_MEMORY_BLOCK_SIZE); | |
3400 | return 0; | |
3401 | } | |
3402 | ||
79b78a6b | 3403 | static void spapr_add_lmbs(DeviceState *dev, uint64_t addr_start, uint64_t size, |
62d38c9b | 3404 | bool dedicated_hp_event_source, Error **errp) |
c20d332a | 3405 | { |
ce2918cb | 3406 | SpaprDrc *drc; |
c20d332a | 3407 | uint32_t nr_lmbs = size/SPAPR_MEMORY_BLOCK_SIZE; |
62d38c9b | 3408 | int i; |
79b78a6b | 3409 | uint64_t addr = addr_start; |
94fd9cba | 3410 | bool hotplugged = spapr_drc_hotplugged(dev); |
160bb678 | 3411 | Error *local_err = NULL; |
c20d332a | 3412 | |
c20d332a | 3413 | for (i = 0; i < nr_lmbs; i++) { |
fbf55397 DG |
3414 | drc = spapr_drc_by_id(TYPE_SPAPR_DRC_LMB, |
3415 | addr / SPAPR_MEMORY_BLOCK_SIZE); | |
c20d332a BR |
3416 | g_assert(drc); |
3417 | ||
09d876ce | 3418 | spapr_drc_attach(drc, dev, &local_err); |
160bb678 GK |
3419 | if (local_err) { |
3420 | while (addr > addr_start) { | |
3421 | addr -= SPAPR_MEMORY_BLOCK_SIZE; | |
3422 | drc = spapr_drc_by_id(TYPE_SPAPR_DRC_LMB, | |
3423 | addr / SPAPR_MEMORY_BLOCK_SIZE); | |
a8dc47fd | 3424 | spapr_drc_detach(drc); |
160bb678 | 3425 | } |
160bb678 GK |
3426 | error_propagate(errp, local_err); |
3427 | return; | |
3428 | } | |
94fd9cba LV |
3429 | if (!hotplugged) { |
3430 | spapr_drc_reset(drc); | |
3431 | } | |
c20d332a BR |
3432 | addr += SPAPR_MEMORY_BLOCK_SIZE; |
3433 | } | |
5dd5238c JD |
3434 | /* send hotplug notification to the |
3435 | * guest only in case of hotplugged memory | |
3436 | */ | |
94fd9cba | 3437 | if (hotplugged) { |
79b78a6b | 3438 | if (dedicated_hp_event_source) { |
fbf55397 DG |
3439 | drc = spapr_drc_by_id(TYPE_SPAPR_DRC_LMB, |
3440 | addr_start / SPAPR_MEMORY_BLOCK_SIZE); | |
79b78a6b MR |
3441 | spapr_hotplug_req_add_by_count_indexed(SPAPR_DR_CONNECTOR_TYPE_LMB, |
3442 | nr_lmbs, | |
0b55aa91 | 3443 | spapr_drc_index(drc)); |
79b78a6b MR |
3444 | } else { |
3445 | spapr_hotplug_req_add_by_count(SPAPR_DR_CONNECTOR_TYPE_LMB, | |
3446 | nr_lmbs); | |
3447 | } | |
5dd5238c | 3448 | } |
c20d332a BR |
3449 | } |
3450 | ||
3451 | static void spapr_memory_plug(HotplugHandler *hotplug_dev, DeviceState *dev, | |
81985f3b | 3452 | Error **errp) |
c20d332a BR |
3453 | { |
3454 | Error *local_err = NULL; | |
ce2918cb | 3455 | SpaprMachineState *ms = SPAPR_MACHINE(hotplug_dev); |
c20d332a | 3456 | PCDIMMDevice *dimm = PC_DIMM(dev); |
b0e62443 | 3457 | uint64_t size, addr; |
04790978 | 3458 | |
946d6154 | 3459 | size = memory_device_get_region_size(MEMORY_DEVICE(dev), &error_abort); |
df587133 | 3460 | |
fd3416f5 | 3461 | pc_dimm_plug(dimm, MACHINE(ms), &local_err); |
c20d332a BR |
3462 | if (local_err) { |
3463 | goto out; | |
3464 | } | |
3465 | ||
9ed442b8 MAL |
3466 | addr = object_property_get_uint(OBJECT(dimm), |
3467 | PC_DIMM_ADDR_PROP, &local_err); | |
c20d332a | 3468 | if (local_err) { |
160bb678 | 3469 | goto out_unplug; |
c20d332a BR |
3470 | } |
3471 | ||
62d38c9b | 3472 | spapr_add_lmbs(dev, addr, size, spapr_ovec_test(ms->ov5_cas, OV5_HP_EVT), |
160bb678 GK |
3473 | &local_err); |
3474 | if (local_err) { | |
3475 | goto out_unplug; | |
3476 | } | |
3477 | ||
3478 | return; | |
c20d332a | 3479 | |
160bb678 | 3480 | out_unplug: |
fd3416f5 | 3481 | pc_dimm_unplug(dimm, MACHINE(ms)); |
c20d332a BR |
3482 | out: |
3483 | error_propagate(errp, local_err); | |
3484 | } | |
3485 | ||
c871bc70 LV |
3486 | static void spapr_memory_pre_plug(HotplugHandler *hotplug_dev, DeviceState *dev, |
3487 | Error **errp) | |
3488 | { | |
ce2918cb DG |
3489 | const SpaprMachineClass *smc = SPAPR_MACHINE_GET_CLASS(hotplug_dev); |
3490 | SpaprMachineState *spapr = SPAPR_MACHINE(hotplug_dev); | |
c871bc70 | 3491 | PCDIMMDevice *dimm = PC_DIMM(dev); |
8f1ffe5b | 3492 | Error *local_err = NULL; |
04790978 | 3493 | uint64_t size; |
123eec65 DG |
3494 | Object *memdev; |
3495 | hwaddr pagesize; | |
c871bc70 | 3496 | |
4e8a01bd DH |
3497 | if (!smc->dr_lmb_enabled) { |
3498 | error_setg(errp, "Memory hotplug not supported for this machine"); | |
3499 | return; | |
3500 | } | |
3501 | ||
946d6154 DH |
3502 | size = memory_device_get_region_size(MEMORY_DEVICE(dimm), &local_err); |
3503 | if (local_err) { | |
3504 | error_propagate(errp, local_err); | |
04790978 TH |
3505 | return; |
3506 | } | |
04790978 | 3507 | |
c871bc70 LV |
3508 | if (size % SPAPR_MEMORY_BLOCK_SIZE) { |
3509 | error_setg(errp, "Hotplugged memory size must be a multiple of " | |
ab3dd749 | 3510 | "%" PRIu64 " MB", SPAPR_MEMORY_BLOCK_SIZE / MiB); |
c871bc70 LV |
3511 | return; |
3512 | } | |
3513 | ||
123eec65 DG |
3514 | memdev = object_property_get_link(OBJECT(dimm), PC_DIMM_MEMDEV_PROP, |
3515 | &error_abort); | |
3516 | pagesize = host_memory_backend_pagesize(MEMORY_BACKEND(memdev)); | |
8f1ffe5b DH |
3517 | spapr_check_pagesize(spapr, pagesize, &local_err); |
3518 | if (local_err) { | |
3519 | error_propagate(errp, local_err); | |
3520 | return; | |
3521 | } | |
3522 | ||
fd3416f5 | 3523 | pc_dimm_pre_plug(dimm, MACHINE(hotplug_dev), NULL, errp); |
c871bc70 LV |
3524 | } |
3525 | ||
ce2918cb | 3526 | struct SpaprDimmState { |
0cffce56 | 3527 | PCDIMMDevice *dimm; |
cf632463 | 3528 | uint32_t nr_lmbs; |
ce2918cb | 3529 | QTAILQ_ENTRY(SpaprDimmState) next; |
0cffce56 DG |
3530 | }; |
3531 | ||
ce2918cb | 3532 | static SpaprDimmState *spapr_pending_dimm_unplugs_find(SpaprMachineState *s, |
0cffce56 DG |
3533 | PCDIMMDevice *dimm) |
3534 | { | |
ce2918cb | 3535 | SpaprDimmState *dimm_state = NULL; |
0cffce56 DG |
3536 | |
3537 | QTAILQ_FOREACH(dimm_state, &s->pending_dimm_unplugs, next) { | |
3538 | if (dimm_state->dimm == dimm) { | |
3539 | break; | |
3540 | } | |
3541 | } | |
3542 | return dimm_state; | |
3543 | } | |
3544 | ||
ce2918cb | 3545 | static SpaprDimmState *spapr_pending_dimm_unplugs_add(SpaprMachineState *spapr, |
8d5981c4 BR |
3546 | uint32_t nr_lmbs, |
3547 | PCDIMMDevice *dimm) | |
0cffce56 | 3548 | { |
ce2918cb | 3549 | SpaprDimmState *ds = NULL; |
8d5981c4 BR |
3550 | |
3551 | /* | |
3552 | * If this request is for a DIMM whose removal had failed earlier | |
3553 | * (due to guest's refusal to remove the LMBs), we would have this | |
3554 | * dimm already in the pending_dimm_unplugs list. In that | |
3555 | * case don't add again. | |
3556 | */ | |
3557 | ds = spapr_pending_dimm_unplugs_find(spapr, dimm); | |
3558 | if (!ds) { | |
ce2918cb | 3559 | ds = g_malloc0(sizeof(SpaprDimmState)); |
8d5981c4 BR |
3560 | ds->nr_lmbs = nr_lmbs; |
3561 | ds->dimm = dimm; | |
3562 | QTAILQ_INSERT_HEAD(&spapr->pending_dimm_unplugs, ds, next); | |
3563 | } | |
3564 | return ds; | |
0cffce56 DG |
3565 | } |
3566 | ||
ce2918cb DG |
3567 | static void spapr_pending_dimm_unplugs_remove(SpaprMachineState *spapr, |
3568 | SpaprDimmState *dimm_state) | |
0cffce56 DG |
3569 | { |
3570 | QTAILQ_REMOVE(&spapr->pending_dimm_unplugs, dimm_state, next); | |
3571 | g_free(dimm_state); | |
3572 | } | |
cf632463 | 3573 | |
ce2918cb | 3574 | static SpaprDimmState *spapr_recover_pending_dimm_state(SpaprMachineState *ms, |
16ee9980 DHB |
3575 | PCDIMMDevice *dimm) |
3576 | { | |
ce2918cb | 3577 | SpaprDrc *drc; |
946d6154 DH |
3578 | uint64_t size = memory_device_get_region_size(MEMORY_DEVICE(dimm), |
3579 | &error_abort); | |
16ee9980 DHB |
3580 | uint32_t nr_lmbs = size / SPAPR_MEMORY_BLOCK_SIZE; |
3581 | uint32_t avail_lmbs = 0; | |
3582 | uint64_t addr_start, addr; | |
3583 | int i; | |
16ee9980 DHB |
3584 | |
3585 | addr_start = object_property_get_int(OBJECT(dimm), PC_DIMM_ADDR_PROP, | |
3586 | &error_abort); | |
3587 | ||
3588 | addr = addr_start; | |
3589 | for (i = 0; i < nr_lmbs; i++) { | |
fbf55397 DG |
3590 | drc = spapr_drc_by_id(TYPE_SPAPR_DRC_LMB, |
3591 | addr / SPAPR_MEMORY_BLOCK_SIZE); | |
16ee9980 | 3592 | g_assert(drc); |
454b580a | 3593 | if (drc->dev) { |
16ee9980 DHB |
3594 | avail_lmbs++; |
3595 | } | |
3596 | addr += SPAPR_MEMORY_BLOCK_SIZE; | |
3597 | } | |
3598 | ||
8d5981c4 | 3599 | return spapr_pending_dimm_unplugs_add(ms, avail_lmbs, dimm); |
16ee9980 DHB |
3600 | } |
3601 | ||
31834723 DHB |
3602 | /* Callback to be called during DRC release. */ |
3603 | void spapr_lmb_release(DeviceState *dev) | |
cf632463 | 3604 | { |
3ec71474 | 3605 | HotplugHandler *hotplug_ctrl = qdev_get_hotplug_handler(dev); |
ce2918cb DG |
3606 | SpaprMachineState *spapr = SPAPR_MACHINE(hotplug_ctrl); |
3607 | SpaprDimmState *ds = spapr_pending_dimm_unplugs_find(spapr, PC_DIMM(dev)); | |
cf632463 | 3608 | |
16ee9980 DHB |
3609 | /* This information will get lost if a migration occurs |
3610 | * during the unplug process. In this case recover it. */ | |
3611 | if (ds == NULL) { | |
3612 | ds = spapr_recover_pending_dimm_state(spapr, PC_DIMM(dev)); | |
8d5981c4 | 3613 | g_assert(ds); |
454b580a DG |
3614 | /* The DRC being examined by the caller at least must be counted */ |
3615 | g_assert(ds->nr_lmbs); | |
3616 | } | |
3617 | ||
3618 | if (--ds->nr_lmbs) { | |
cf632463 BR |
3619 | return; |
3620 | } | |
3621 | ||
cf632463 BR |
3622 | /* |
3623 | * Now that all the LMBs have been removed by the guest, call the | |
3ec71474 | 3624 | * unplug handler chain. This can never fail. |
cf632463 | 3625 | */ |
3ec71474 | 3626 | hotplug_handler_unplug(hotplug_ctrl, dev, &error_abort); |
07578b0a | 3627 | object_unparent(OBJECT(dev)); |
3ec71474 DH |
3628 | } |
3629 | ||
3630 | static void spapr_memory_unplug(HotplugHandler *hotplug_dev, DeviceState *dev) | |
3631 | { | |
ce2918cb DG |
3632 | SpaprMachineState *spapr = SPAPR_MACHINE(hotplug_dev); |
3633 | SpaprDimmState *ds = spapr_pending_dimm_unplugs_find(spapr, PC_DIMM(dev)); | |
3ec71474 | 3634 | |
fd3416f5 | 3635 | pc_dimm_unplug(PC_DIMM(dev), MACHINE(hotplug_dev)); |
07578b0a | 3636 | object_property_set_bool(OBJECT(dev), false, "realized", NULL); |
2a129767 | 3637 | spapr_pending_dimm_unplugs_remove(spapr, ds); |
cf632463 BR |
3638 | } |
3639 | ||
3640 | static void spapr_memory_unplug_request(HotplugHandler *hotplug_dev, | |
3641 | DeviceState *dev, Error **errp) | |
3642 | { | |
ce2918cb | 3643 | SpaprMachineState *spapr = SPAPR_MACHINE(hotplug_dev); |
cf632463 BR |
3644 | Error *local_err = NULL; |
3645 | PCDIMMDevice *dimm = PC_DIMM(dev); | |
04790978 TH |
3646 | uint32_t nr_lmbs; |
3647 | uint64_t size, addr_start, addr; | |
0cffce56 | 3648 | int i; |
ce2918cb | 3649 | SpaprDrc *drc; |
04790978 | 3650 | |
946d6154 | 3651 | size = memory_device_get_region_size(MEMORY_DEVICE(dimm), &error_abort); |
04790978 TH |
3652 | nr_lmbs = size / SPAPR_MEMORY_BLOCK_SIZE; |
3653 | ||
9ed442b8 | 3654 | addr_start = object_property_get_uint(OBJECT(dimm), PC_DIMM_ADDR_PROP, |
0cffce56 | 3655 | &local_err); |
cf632463 BR |
3656 | if (local_err) { |
3657 | goto out; | |
3658 | } | |
3659 | ||
2a129767 DHB |
3660 | /* |
3661 | * An existing pending dimm state for this DIMM means that there is an | |
3662 | * unplug operation in progress, waiting for the spapr_lmb_release | |
3663 | * callback to complete the job (BQL can't cover that far). In this case, | |
3664 | * bail out to avoid detaching DRCs that were already released. | |
3665 | */ | |
3666 | if (spapr_pending_dimm_unplugs_find(spapr, dimm)) { | |
3667 | error_setg(&local_err, | |
3668 | "Memory unplug already in progress for device %s", | |
3669 | dev->id); | |
3670 | goto out; | |
3671 | } | |
3672 | ||
8d5981c4 | 3673 | spapr_pending_dimm_unplugs_add(spapr, nr_lmbs, dimm); |
0cffce56 DG |
3674 | |
3675 | addr = addr_start; | |
3676 | for (i = 0; i < nr_lmbs; i++) { | |
fbf55397 DG |
3677 | drc = spapr_drc_by_id(TYPE_SPAPR_DRC_LMB, |
3678 | addr / SPAPR_MEMORY_BLOCK_SIZE); | |
0cffce56 DG |
3679 | g_assert(drc); |
3680 | ||
a8dc47fd | 3681 | spapr_drc_detach(drc); |
0cffce56 DG |
3682 | addr += SPAPR_MEMORY_BLOCK_SIZE; |
3683 | } | |
3684 | ||
fbf55397 DG |
3685 | drc = spapr_drc_by_id(TYPE_SPAPR_DRC_LMB, |
3686 | addr_start / SPAPR_MEMORY_BLOCK_SIZE); | |
0cffce56 | 3687 | spapr_hotplug_req_remove_by_count_indexed(SPAPR_DR_CONNECTOR_TYPE_LMB, |
0b55aa91 | 3688 | nr_lmbs, spapr_drc_index(drc)); |
cf632463 BR |
3689 | out: |
3690 | error_propagate(errp, local_err); | |
3691 | } | |
3692 | ||
765d1bdd DG |
3693 | /* Callback to be called during DRC release. */ |
3694 | void spapr_core_release(DeviceState *dev) | |
ff9006dd | 3695 | { |
a4261be1 DH |
3696 | HotplugHandler *hotplug_ctrl = qdev_get_hotplug_handler(dev); |
3697 | ||
3698 | /* Call the unplug handler chain. This can never fail. */ | |
3699 | hotplug_handler_unplug(hotplug_ctrl, dev, &error_abort); | |
07578b0a | 3700 | object_unparent(OBJECT(dev)); |
a4261be1 DH |
3701 | } |
3702 | ||
3703 | static void spapr_core_unplug(HotplugHandler *hotplug_dev, DeviceState *dev) | |
3704 | { | |
3705 | MachineState *ms = MACHINE(hotplug_dev); | |
ce2918cb | 3706 | SpaprMachineClass *smc = SPAPR_MACHINE_GET_CLASS(ms); |
ff9006dd | 3707 | CPUCore *cc = CPU_CORE(dev); |
535455fd | 3708 | CPUArchId *core_slot = spapr_find_cpu_slot(ms, cc->core_id, NULL); |
ff9006dd | 3709 | |
46f7afa3 | 3710 | if (smc->pre_2_10_has_unused_icps) { |
ce2918cb | 3711 | SpaprCpuCore *sc = SPAPR_CPU_CORE(OBJECT(dev)); |
46f7afa3 GK |
3712 | int i; |
3713 | ||
3714 | for (i = 0; i < cc->nr_threads; i++) { | |
94ad93bd | 3715 | CPUState *cs = CPU(sc->threads[i]); |
46f7afa3 GK |
3716 | |
3717 | pre_2_10_vmstate_register_dummy_icp(cs->cpu_index); | |
3718 | } | |
3719 | } | |
3720 | ||
07572c06 | 3721 | assert(core_slot); |
535455fd | 3722 | core_slot->cpu = NULL; |
07578b0a | 3723 | object_property_set_bool(OBJECT(dev), false, "realized", NULL); |
ff9006dd IM |
3724 | } |
3725 | ||
115debf2 IM |
3726 | static |
3727 | void spapr_core_unplug_request(HotplugHandler *hotplug_dev, DeviceState *dev, | |
3728 | Error **errp) | |
ff9006dd | 3729 | { |
ce2918cb | 3730 | SpaprMachineState *spapr = SPAPR_MACHINE(OBJECT(hotplug_dev)); |
535455fd | 3731 | int index; |
ce2918cb | 3732 | SpaprDrc *drc; |
535455fd | 3733 | CPUCore *cc = CPU_CORE(dev); |
ff9006dd | 3734 | |
535455fd IM |
3735 | if (!spapr_find_cpu_slot(MACHINE(hotplug_dev), cc->core_id, &index)) { |
3736 | error_setg(errp, "Unable to find CPU core with core-id: %d", | |
3737 | cc->core_id); | |
3738 | return; | |
3739 | } | |
ff9006dd IM |
3740 | if (index == 0) { |
3741 | error_setg(errp, "Boot CPU core may not be unplugged"); | |
3742 | return; | |
3743 | } | |
3744 | ||
5d0fb150 GK |
3745 | drc = spapr_drc_by_id(TYPE_SPAPR_DRC_CPU, |
3746 | spapr_vcpu_id(spapr, cc->core_id)); | |
ff9006dd IM |
3747 | g_assert(drc); |
3748 | ||
47c8c915 GK |
3749 | if (!spapr_drc_unplug_requested(drc)) { |
3750 | spapr_drc_detach(drc); | |
3751 | spapr_hotplug_req_remove_by_index(drc); | |
3752 | } | |
ff9006dd IM |
3753 | } |
3754 | ||
ce2918cb | 3755 | int spapr_core_dt_populate(SpaprDrc *drc, SpaprMachineState *spapr, |
345b12b9 GK |
3756 | void *fdt, int *fdt_start_offset, Error **errp) |
3757 | { | |
ce2918cb | 3758 | SpaprCpuCore *core = SPAPR_CPU_CORE(drc->dev); |
345b12b9 GK |
3759 | CPUState *cs = CPU(core->threads[0]); |
3760 | PowerPCCPU *cpu = POWERPC_CPU(cs); | |
3761 | DeviceClass *dc = DEVICE_GET_CLASS(cs); | |
3762 | int id = spapr_get_vcpu_id(cpu); | |
3763 | char *nodename; | |
3764 | int offset; | |
3765 | ||
3766 | nodename = g_strdup_printf("%s@%x", dc->fw_name, id); | |
3767 | offset = fdt_add_subnode(fdt, 0, nodename); | |
3768 | g_free(nodename); | |
3769 | ||
3770 | spapr_populate_cpu_dt(cs, fdt, offset, spapr); | |
3771 | ||
3772 | *fdt_start_offset = offset; | |
3773 | return 0; | |
3774 | } | |
3775 | ||
ff9006dd IM |
3776 | static void spapr_core_plug(HotplugHandler *hotplug_dev, DeviceState *dev, |
3777 | Error **errp) | |
3778 | { | |
ce2918cb | 3779 | SpaprMachineState *spapr = SPAPR_MACHINE(OBJECT(hotplug_dev)); |
ff9006dd | 3780 | MachineClass *mc = MACHINE_GET_CLASS(spapr); |
ce2918cb DG |
3781 | SpaprMachineClass *smc = SPAPR_MACHINE_CLASS(mc); |
3782 | SpaprCpuCore *core = SPAPR_CPU_CORE(OBJECT(dev)); | |
ff9006dd | 3783 | CPUCore *cc = CPU_CORE(dev); |
345b12b9 | 3784 | CPUState *cs; |
ce2918cb | 3785 | SpaprDrc *drc; |
ff9006dd | 3786 | Error *local_err = NULL; |
535455fd IM |
3787 | CPUArchId *core_slot; |
3788 | int index; | |
94fd9cba | 3789 | bool hotplugged = spapr_drc_hotplugged(dev); |
b1e81567 | 3790 | int i; |
ff9006dd | 3791 | |
535455fd IM |
3792 | core_slot = spapr_find_cpu_slot(MACHINE(hotplug_dev), cc->core_id, &index); |
3793 | if (!core_slot) { | |
3794 | error_setg(errp, "Unable to find CPU core with core-id: %d", | |
3795 | cc->core_id); | |
3796 | return; | |
3797 | } | |
5d0fb150 GK |
3798 | drc = spapr_drc_by_id(TYPE_SPAPR_DRC_CPU, |
3799 | spapr_vcpu_id(spapr, cc->core_id)); | |
ff9006dd | 3800 | |
c5514d0e | 3801 | g_assert(drc || !mc->has_hotpluggable_cpus); |
ff9006dd | 3802 | |
ff9006dd | 3803 | if (drc) { |
09d876ce | 3804 | spapr_drc_attach(drc, dev, &local_err); |
ff9006dd | 3805 | if (local_err) { |
ff9006dd IM |
3806 | error_propagate(errp, local_err); |
3807 | return; | |
3808 | } | |
ff9006dd | 3809 | |
94fd9cba LV |
3810 | if (hotplugged) { |
3811 | /* | |
3812 | * Send hotplug notification interrupt to the guest only | |
3813 | * in case of hotplugged CPUs. | |
3814 | */ | |
3815 | spapr_hotplug_req_add_by_index(drc); | |
3816 | } else { | |
3817 | spapr_drc_reset(drc); | |
3818 | } | |
ff9006dd | 3819 | } |
94fd9cba | 3820 | |
535455fd | 3821 | core_slot->cpu = OBJECT(dev); |
46f7afa3 GK |
3822 | |
3823 | if (smc->pre_2_10_has_unused_icps) { | |
46f7afa3 | 3824 | for (i = 0; i < cc->nr_threads; i++) { |
bc877283 | 3825 | cs = CPU(core->threads[i]); |
46f7afa3 GK |
3826 | pre_2_10_vmstate_unregister_dummy_icp(cs->cpu_index); |
3827 | } | |
3828 | } | |
b1e81567 GK |
3829 | |
3830 | /* | |
3831 | * Set compatibility mode to match the boot CPU, which was either set | |
3832 | * by the machine reset code or by CAS. | |
3833 | */ | |
3834 | if (hotplugged) { | |
3835 | for (i = 0; i < cc->nr_threads; i++) { | |
3836 | ppc_set_compat(core->threads[i], POWERPC_CPU(first_cpu)->compat_pvr, | |
3837 | &local_err); | |
3838 | if (local_err) { | |
3839 | error_propagate(errp, local_err); | |
3840 | return; | |
3841 | } | |
3842 | } | |
3843 | } | |
ff9006dd IM |
3844 | } |
3845 | ||
3846 | static void spapr_core_pre_plug(HotplugHandler *hotplug_dev, DeviceState *dev, | |
3847 | Error **errp) | |
3848 | { | |
3849 | MachineState *machine = MACHINE(OBJECT(hotplug_dev)); | |
3850 | MachineClass *mc = MACHINE_GET_CLASS(hotplug_dev); | |
ff9006dd IM |
3851 | Error *local_err = NULL; |
3852 | CPUCore *cc = CPU_CORE(dev); | |
2e9c10eb | 3853 | const char *base_core_type = spapr_get_cpu_core_type(machine->cpu_type); |
ff9006dd | 3854 | const char *type = object_get_typename(OBJECT(dev)); |
535455fd IM |
3855 | CPUArchId *core_slot; |
3856 | int index; | |
fe6b6346 | 3857 | unsigned int smp_threads = machine->smp.threads; |
ff9006dd | 3858 | |
c5514d0e | 3859 | if (dev->hotplugged && !mc->has_hotpluggable_cpus) { |
ff9006dd IM |
3860 | error_setg(&local_err, "CPU hotplug not supported for this machine"); |
3861 | goto out; | |
3862 | } | |
3863 | ||
3864 | if (strcmp(base_core_type, type)) { | |
3865 | error_setg(&local_err, "CPU core type should be %s", base_core_type); | |
3866 | goto out; | |
3867 | } | |
3868 | ||
3869 | if (cc->core_id % smp_threads) { | |
3870 | error_setg(&local_err, "invalid core id %d", cc->core_id); | |
3871 | goto out; | |
3872 | } | |
3873 | ||
459264ef DG |
3874 | /* |
3875 | * In general we should have homogeneous threads-per-core, but old | |
3876 | * (pre hotplug support) machine types allow the last core to have | |
3877 | * reduced threads as a compatibility hack for when we allowed | |
3878 | * total vcpus not a multiple of threads-per-core. | |
3879 | */ | |
3880 | if (mc->has_hotpluggable_cpus && (cc->nr_threads != smp_threads)) { | |
df8658de | 3881 | error_setg(&local_err, "invalid nr-threads %d, must be %d", |
8149e299 | 3882 | cc->nr_threads, smp_threads); |
df8658de | 3883 | goto out; |
8149e299 DG |
3884 | } |
3885 | ||
535455fd IM |
3886 | core_slot = spapr_find_cpu_slot(MACHINE(hotplug_dev), cc->core_id, &index); |
3887 | if (!core_slot) { | |
ff9006dd IM |
3888 | error_setg(&local_err, "core id %d out of range", cc->core_id); |
3889 | goto out; | |
3890 | } | |
3891 | ||
535455fd | 3892 | if (core_slot->cpu) { |
ff9006dd IM |
3893 | error_setg(&local_err, "core %d already populated", cc->core_id); |
3894 | goto out; | |
3895 | } | |
3896 | ||
a0ceb640 | 3897 | numa_cpu_pre_plug(core_slot, dev, &local_err); |
0b8497f0 | 3898 | |
ff9006dd | 3899 | out: |
ff9006dd IM |
3900 | error_propagate(errp, local_err); |
3901 | } | |
3902 | ||
ce2918cb | 3903 | int spapr_phb_dt_populate(SpaprDrc *drc, SpaprMachineState *spapr, |
bb2bdd81 GK |
3904 | void *fdt, int *fdt_start_offset, Error **errp) |
3905 | { | |
ce2918cb | 3906 | SpaprPhbState *sphb = SPAPR_PCI_HOST_BRIDGE(drc->dev); |
bb2bdd81 GK |
3907 | int intc_phandle; |
3908 | ||
3909 | intc_phandle = spapr_irq_get_phandle(spapr, spapr->fdt_blob, errp); | |
3910 | if (intc_phandle <= 0) { | |
3911 | return -1; | |
3912 | } | |
3913 | ||
8cbe71ec | 3914 | if (spapr_dt_phb(spapr, sphb, intc_phandle, fdt, fdt_start_offset)) { |
bb2bdd81 GK |
3915 | error_setg(errp, "unable to create FDT node for PHB %d", sphb->index); |
3916 | return -1; | |
3917 | } | |
3918 | ||
3919 | /* generally SLOF creates these, for hotplug it's up to QEMU */ | |
3920 | _FDT(fdt_setprop_string(fdt, *fdt_start_offset, "name", "pci")); | |
3921 | ||
3922 | return 0; | |
3923 | } | |
3924 | ||
3925 | static void spapr_phb_pre_plug(HotplugHandler *hotplug_dev, DeviceState *dev, | |
3926 | Error **errp) | |
3927 | { | |
ce2918cb DG |
3928 | SpaprMachineState *spapr = SPAPR_MACHINE(OBJECT(hotplug_dev)); |
3929 | SpaprPhbState *sphb = SPAPR_PCI_HOST_BRIDGE(dev); | |
3930 | SpaprMachineClass *smc = SPAPR_MACHINE_GET_CLASS(spapr); | |
bb2bdd81 GK |
3931 | const unsigned windows_supported = spapr_phb_windows_supported(sphb); |
3932 | ||
3933 | if (dev->hotplugged && !smc->dr_phb_enabled) { | |
3934 | error_setg(errp, "PHB hotplug not supported for this machine"); | |
3935 | return; | |
3936 | } | |
3937 | ||
3938 | if (sphb->index == (uint32_t)-1) { | |
3939 | error_setg(errp, "\"index\" for PAPR PHB is mandatory"); | |
3940 | return; | |
3941 | } | |
3942 | ||
3943 | /* | |
3944 | * This will check that sphb->index doesn't exceed the maximum number of | |
3945 | * PHBs for the current machine type. | |
3946 | */ | |
3947 | smc->phb_placement(spapr, sphb->index, | |
3948 | &sphb->buid, &sphb->io_win_addr, | |
3949 | &sphb->mem_win_addr, &sphb->mem64_win_addr, | |
ec132efa AK |
3950 | windows_supported, sphb->dma_liobn, |
3951 | &sphb->nv2_gpa_win_addr, &sphb->nv2_atsd_win_addr, | |
3952 | errp); | |
bb2bdd81 GK |
3953 | } |
3954 | ||
3955 | static void spapr_phb_plug(HotplugHandler *hotplug_dev, DeviceState *dev, | |
3956 | Error **errp) | |
3957 | { | |
ce2918cb DG |
3958 | SpaprMachineState *spapr = SPAPR_MACHINE(OBJECT(hotplug_dev)); |
3959 | SpaprMachineClass *smc = SPAPR_MACHINE_GET_CLASS(spapr); | |
3960 | SpaprPhbState *sphb = SPAPR_PCI_HOST_BRIDGE(dev); | |
3961 | SpaprDrc *drc; | |
bb2bdd81 GK |
3962 | bool hotplugged = spapr_drc_hotplugged(dev); |
3963 | Error *local_err = NULL; | |
3964 | ||
3965 | if (!smc->dr_phb_enabled) { | |
3966 | return; | |
3967 | } | |
3968 | ||
3969 | drc = spapr_drc_by_id(TYPE_SPAPR_DRC_PHB, sphb->index); | |
3970 | /* hotplug hooks should check it's enabled before getting this far */ | |
3971 | assert(drc); | |
3972 | ||
3973 | spapr_drc_attach(drc, DEVICE(dev), &local_err); | |
3974 | if (local_err) { | |
3975 | error_propagate(errp, local_err); | |
3976 | return; | |
3977 | } | |
3978 | ||
3979 | if (hotplugged) { | |
3980 | spapr_hotplug_req_add_by_index(drc); | |
3981 | } else { | |
3982 | spapr_drc_reset(drc); | |
3983 | } | |
3984 | } | |
3985 | ||
3986 | void spapr_phb_release(DeviceState *dev) | |
3987 | { | |
3988 | HotplugHandler *hotplug_ctrl = qdev_get_hotplug_handler(dev); | |
3989 | ||
3990 | hotplug_handler_unplug(hotplug_ctrl, dev, &error_abort); | |
07578b0a | 3991 | object_unparent(OBJECT(dev)); |
bb2bdd81 GK |
3992 | } |
3993 | ||
3994 | static void spapr_phb_unplug(HotplugHandler *hotplug_dev, DeviceState *dev) | |
3995 | { | |
07578b0a | 3996 | object_property_set_bool(OBJECT(dev), false, "realized", NULL); |
bb2bdd81 GK |
3997 | } |
3998 | ||
3999 | static void spapr_phb_unplug_request(HotplugHandler *hotplug_dev, | |
4000 | DeviceState *dev, Error **errp) | |
4001 | { | |
ce2918cb DG |
4002 | SpaprPhbState *sphb = SPAPR_PCI_HOST_BRIDGE(dev); |
4003 | SpaprDrc *drc; | |
bb2bdd81 GK |
4004 | |
4005 | drc = spapr_drc_by_id(TYPE_SPAPR_DRC_PHB, sphb->index); | |
4006 | assert(drc); | |
4007 | ||
4008 | if (!spapr_drc_unplug_requested(drc)) { | |
4009 | spapr_drc_detach(drc); | |
4010 | spapr_hotplug_req_remove_by_index(drc); | |
4011 | } | |
4012 | } | |
4013 | ||
0fb6bd07 MR |
4014 | static void spapr_tpm_proxy_plug(HotplugHandler *hotplug_dev, DeviceState *dev, |
4015 | Error **errp) | |
4016 | { | |
4017 | SpaprMachineState *spapr = SPAPR_MACHINE(OBJECT(hotplug_dev)); | |
4018 | SpaprTpmProxy *tpm_proxy = SPAPR_TPM_PROXY(dev); | |
4019 | ||
4020 | if (spapr->tpm_proxy != NULL) { | |
4021 | error_setg(errp, "Only one TPM proxy can be specified for this machine"); | |
4022 | return; | |
4023 | } | |
4024 | ||
4025 | spapr->tpm_proxy = tpm_proxy; | |
4026 | } | |
4027 | ||
4028 | static void spapr_tpm_proxy_unplug(HotplugHandler *hotplug_dev, DeviceState *dev) | |
4029 | { | |
4030 | SpaprMachineState *spapr = SPAPR_MACHINE(OBJECT(hotplug_dev)); | |
4031 | ||
4032 | object_property_set_bool(OBJECT(dev), false, "realized", NULL); | |
4033 | object_unparent(OBJECT(dev)); | |
4034 | spapr->tpm_proxy = NULL; | |
4035 | } | |
4036 | ||
c20d332a BR |
4037 | static void spapr_machine_device_plug(HotplugHandler *hotplug_dev, |
4038 | DeviceState *dev, Error **errp) | |
4039 | { | |
c20d332a | 4040 | if (object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM)) { |
81985f3b | 4041 | spapr_memory_plug(hotplug_dev, dev, errp); |
af81cf32 BR |
4042 | } else if (object_dynamic_cast(OBJECT(dev), TYPE_SPAPR_CPU_CORE)) { |
4043 | spapr_core_plug(hotplug_dev, dev, errp); | |
bb2bdd81 GK |
4044 | } else if (object_dynamic_cast(OBJECT(dev), TYPE_SPAPR_PCI_HOST_BRIDGE)) { |
4045 | spapr_phb_plug(hotplug_dev, dev, errp); | |
0fb6bd07 MR |
4046 | } else if (object_dynamic_cast(OBJECT(dev), TYPE_SPAPR_TPM_PROXY)) { |
4047 | spapr_tpm_proxy_plug(hotplug_dev, dev, errp); | |
c20d332a BR |
4048 | } |
4049 | } | |
4050 | ||
88432f44 DH |
4051 | static void spapr_machine_device_unplug(HotplugHandler *hotplug_dev, |
4052 | DeviceState *dev, Error **errp) | |
4053 | { | |
3ec71474 DH |
4054 | if (object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM)) { |
4055 | spapr_memory_unplug(hotplug_dev, dev); | |
a4261be1 DH |
4056 | } else if (object_dynamic_cast(OBJECT(dev), TYPE_SPAPR_CPU_CORE)) { |
4057 | spapr_core_unplug(hotplug_dev, dev); | |
bb2bdd81 GK |
4058 | } else if (object_dynamic_cast(OBJECT(dev), TYPE_SPAPR_PCI_HOST_BRIDGE)) { |
4059 | spapr_phb_unplug(hotplug_dev, dev); | |
0fb6bd07 MR |
4060 | } else if (object_dynamic_cast(OBJECT(dev), TYPE_SPAPR_TPM_PROXY)) { |
4061 | spapr_tpm_proxy_unplug(hotplug_dev, dev); | |
3ec71474 | 4062 | } |
88432f44 DH |
4063 | } |
4064 | ||
cf632463 BR |
4065 | static void spapr_machine_device_unplug_request(HotplugHandler *hotplug_dev, |
4066 | DeviceState *dev, Error **errp) | |
4067 | { | |
ce2918cb | 4068 | SpaprMachineState *sms = SPAPR_MACHINE(OBJECT(hotplug_dev)); |
c86c1aff | 4069 | MachineClass *mc = MACHINE_GET_CLASS(sms); |
ce2918cb | 4070 | SpaprMachineClass *smc = SPAPR_MACHINE_CLASS(mc); |
cf632463 BR |
4071 | |
4072 | if (object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM)) { | |
4073 | if (spapr_ovec_test(sms->ov5_cas, OV5_HP_EVT)) { | |
4074 | spapr_memory_unplug_request(hotplug_dev, dev, errp); | |
4075 | } else { | |
4076 | /* NOTE: this means there is a window after guest reset, prior to | |
4077 | * CAS negotiation, where unplug requests will fail due to the | |
4078 | * capability not being detected yet. This is a bit different than | |
4079 | * the case with PCI unplug, where the events will be queued and | |
4080 | * eventually handled by the guest after boot | |
4081 | */ | |
4082 | error_setg(errp, "Memory hot unplug not supported for this guest"); | |
4083 | } | |
6f4b5c3e | 4084 | } else if (object_dynamic_cast(OBJECT(dev), TYPE_SPAPR_CPU_CORE)) { |
c5514d0e | 4085 | if (!mc->has_hotpluggable_cpus) { |
6f4b5c3e BR |
4086 | error_setg(errp, "CPU hot unplug not supported on this machine"); |
4087 | return; | |
4088 | } | |
115debf2 | 4089 | spapr_core_unplug_request(hotplug_dev, dev, errp); |
bb2bdd81 GK |
4090 | } else if (object_dynamic_cast(OBJECT(dev), TYPE_SPAPR_PCI_HOST_BRIDGE)) { |
4091 | if (!smc->dr_phb_enabled) { | |
4092 | error_setg(errp, "PHB hot unplug not supported on this machine"); | |
4093 | return; | |
4094 | } | |
4095 | spapr_phb_unplug_request(hotplug_dev, dev, errp); | |
0fb6bd07 MR |
4096 | } else if (object_dynamic_cast(OBJECT(dev), TYPE_SPAPR_TPM_PROXY)) { |
4097 | spapr_tpm_proxy_unplug(hotplug_dev, dev); | |
c20d332a BR |
4098 | } |
4099 | } | |
4100 | ||
94a94e4c BR |
4101 | static void spapr_machine_device_pre_plug(HotplugHandler *hotplug_dev, |
4102 | DeviceState *dev, Error **errp) | |
4103 | { | |
c871bc70 LV |
4104 | if (object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM)) { |
4105 | spapr_memory_pre_plug(hotplug_dev, dev, errp); | |
4106 | } else if (object_dynamic_cast(OBJECT(dev), TYPE_SPAPR_CPU_CORE)) { | |
94a94e4c | 4107 | spapr_core_pre_plug(hotplug_dev, dev, errp); |
bb2bdd81 GK |
4108 | } else if (object_dynamic_cast(OBJECT(dev), TYPE_SPAPR_PCI_HOST_BRIDGE)) { |
4109 | spapr_phb_pre_plug(hotplug_dev, dev, errp); | |
94a94e4c BR |
4110 | } |
4111 | } | |
4112 | ||
7ebaf795 BR |
4113 | static HotplugHandler *spapr_get_hotplug_handler(MachineState *machine, |
4114 | DeviceState *dev) | |
c20d332a | 4115 | { |
94a94e4c | 4116 | if (object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM) || |
bb2bdd81 | 4117 | object_dynamic_cast(OBJECT(dev), TYPE_SPAPR_CPU_CORE) || |
0fb6bd07 MR |
4118 | object_dynamic_cast(OBJECT(dev), TYPE_SPAPR_PCI_HOST_BRIDGE) || |
4119 | object_dynamic_cast(OBJECT(dev), TYPE_SPAPR_TPM_PROXY)) { | |
c20d332a BR |
4120 | return HOTPLUG_HANDLER(machine); |
4121 | } | |
cb600087 DG |
4122 | if (object_dynamic_cast(OBJECT(dev), TYPE_PCI_DEVICE)) { |
4123 | PCIDevice *pcidev = PCI_DEVICE(dev); | |
4124 | PCIBus *root = pci_device_root_bus(pcidev); | |
4125 | SpaprPhbState *phb = | |
4126 | (SpaprPhbState *)object_dynamic_cast(OBJECT(BUS(root)->parent), | |
4127 | TYPE_SPAPR_PCI_HOST_BRIDGE); | |
4128 | ||
4129 | if (phb) { | |
4130 | return HOTPLUG_HANDLER(phb); | |
4131 | } | |
4132 | } | |
c20d332a BR |
4133 | return NULL; |
4134 | } | |
4135 | ||
ea089eeb IM |
4136 | static CpuInstanceProperties |
4137 | spapr_cpu_index_to_props(MachineState *machine, unsigned cpu_index) | |
20bb648d | 4138 | { |
ea089eeb IM |
4139 | CPUArchId *core_slot; |
4140 | MachineClass *mc = MACHINE_GET_CLASS(machine); | |
4141 | ||
4142 | /* make sure possible_cpu are intialized */ | |
4143 | mc->possible_cpu_arch_ids(machine); | |
4144 | /* get CPU core slot containing thread that matches cpu_index */ | |
4145 | core_slot = spapr_find_cpu_slot(machine, cpu_index, NULL); | |
4146 | assert(core_slot); | |
4147 | return core_slot->props; | |
20bb648d DG |
4148 | } |
4149 | ||
79e07936 IM |
4150 | static int64_t spapr_get_default_cpu_node_id(const MachineState *ms, int idx) |
4151 | { | |
aa570207 | 4152 | return idx / ms->smp.cores % ms->numa_state->num_nodes; |
79e07936 IM |
4153 | } |
4154 | ||
535455fd IM |
4155 | static const CPUArchIdList *spapr_possible_cpu_arch_ids(MachineState *machine) |
4156 | { | |
4157 | int i; | |
fe6b6346 LX |
4158 | unsigned int smp_threads = machine->smp.threads; |
4159 | unsigned int smp_cpus = machine->smp.cpus; | |
d342eb76 | 4160 | const char *core_type; |
fe6b6346 | 4161 | int spapr_max_cores = machine->smp.max_cpus / smp_threads; |
535455fd IM |
4162 | MachineClass *mc = MACHINE_GET_CLASS(machine); |
4163 | ||
c5514d0e | 4164 | if (!mc->has_hotpluggable_cpus) { |
535455fd IM |
4165 | spapr_max_cores = QEMU_ALIGN_UP(smp_cpus, smp_threads) / smp_threads; |
4166 | } | |
4167 | if (machine->possible_cpus) { | |
4168 | assert(machine->possible_cpus->len == spapr_max_cores); | |
4169 | return machine->possible_cpus; | |
4170 | } | |
4171 | ||
d342eb76 IM |
4172 | core_type = spapr_get_cpu_core_type(machine->cpu_type); |
4173 | if (!core_type) { | |
4174 | error_report("Unable to find sPAPR CPU Core definition"); | |
4175 | exit(1); | |
4176 | } | |
4177 | ||
535455fd IM |
4178 | machine->possible_cpus = g_malloc0(sizeof(CPUArchIdList) + |
4179 | sizeof(CPUArchId) * spapr_max_cores); | |
4180 | machine->possible_cpus->len = spapr_max_cores; | |
4181 | for (i = 0; i < machine->possible_cpus->len; i++) { | |
4182 | int core_id = i * smp_threads; | |
4183 | ||
d342eb76 | 4184 | machine->possible_cpus->cpus[i].type = core_type; |
f2d672c2 | 4185 | machine->possible_cpus->cpus[i].vcpus_count = smp_threads; |
535455fd IM |
4186 | machine->possible_cpus->cpus[i].arch_id = core_id; |
4187 | machine->possible_cpus->cpus[i].props.has_core_id = true; | |
4188 | machine->possible_cpus->cpus[i].props.core_id = core_id; | |
535455fd IM |
4189 | } |
4190 | return machine->possible_cpus; | |
4191 | } | |
4192 | ||
ce2918cb | 4193 | static void spapr_phb_placement(SpaprMachineState *spapr, uint32_t index, |
daa23699 DG |
4194 | uint64_t *buid, hwaddr *pio, |
4195 | hwaddr *mmio32, hwaddr *mmio64, | |
ec132efa AK |
4196 | unsigned n_dma, uint32_t *liobns, |
4197 | hwaddr *nv2gpa, hwaddr *nv2atsd, Error **errp) | |
6737d9ad | 4198 | { |
357d1e3b DG |
4199 | /* |
4200 | * New-style PHB window placement. | |
4201 | * | |
4202 | * Goals: Gives large (1TiB), naturally aligned 64-bit MMIO window | |
4203 | * for each PHB, in addition to 2GiB 32-bit MMIO and 64kiB PIO | |
4204 | * windows. | |
4205 | * | |
4206 | * Some guest kernels can't work with MMIO windows above 1<<46 | |
4207 | * (64TiB), so we place up to 31 PHBs in the area 32TiB..64TiB | |
4208 | * | |
4209 | * 32TiB..(33TiB+1984kiB) contains the 64kiB PIO windows for each | |
4210 | * PHB stacked together. (32TiB+2GiB)..(32TiB+64GiB) contains the | |
4211 | * 2GiB 32-bit MMIO windows for each PHB. Then 33..64TiB has the | |
4212 | * 1TiB 64-bit MMIO windows for each PHB. | |
4213 | */ | |
6737d9ad | 4214 | const uint64_t base_buid = 0x800000020000000ULL; |
6737d9ad DG |
4215 | int i; |
4216 | ||
357d1e3b DG |
4217 | /* Sanity check natural alignments */ |
4218 | QEMU_BUILD_BUG_ON((SPAPR_PCI_BASE % SPAPR_PCI_MEM64_WIN_SIZE) != 0); | |
4219 | QEMU_BUILD_BUG_ON((SPAPR_PCI_LIMIT % SPAPR_PCI_MEM64_WIN_SIZE) != 0); | |
4220 | QEMU_BUILD_BUG_ON((SPAPR_PCI_MEM64_WIN_SIZE % SPAPR_PCI_MEM32_WIN_SIZE) != 0); | |
4221 | QEMU_BUILD_BUG_ON((SPAPR_PCI_MEM32_WIN_SIZE % SPAPR_PCI_IO_WIN_SIZE) != 0); | |
4222 | /* Sanity check bounds */ | |
25e6a118 MT |
4223 | QEMU_BUILD_BUG_ON((SPAPR_MAX_PHBS * SPAPR_PCI_IO_WIN_SIZE) > |
4224 | SPAPR_PCI_MEM32_WIN_SIZE); | |
4225 | QEMU_BUILD_BUG_ON((SPAPR_MAX_PHBS * SPAPR_PCI_MEM32_WIN_SIZE) > | |
4226 | SPAPR_PCI_MEM64_WIN_SIZE); | |
4227 | ||
4228 | if (index >= SPAPR_MAX_PHBS) { | |
4229 | error_setg(errp, "\"index\" for PAPR PHB is too large (max %llu)", | |
4230 | SPAPR_MAX_PHBS - 1); | |
6737d9ad DG |
4231 | return; |
4232 | } | |
4233 | ||
4234 | *buid = base_buid + index; | |
4235 | for (i = 0; i < n_dma; ++i) { | |
4236 | liobns[i] = SPAPR_PCI_LIOBN(index, i); | |
4237 | } | |
4238 | ||
357d1e3b DG |
4239 | *pio = SPAPR_PCI_BASE + index * SPAPR_PCI_IO_WIN_SIZE; |
4240 | *mmio32 = SPAPR_PCI_BASE + (index + 1) * SPAPR_PCI_MEM32_WIN_SIZE; | |
4241 | *mmio64 = SPAPR_PCI_BASE + (index + 1) * SPAPR_PCI_MEM64_WIN_SIZE; | |
ec132efa AK |
4242 | |
4243 | *nv2gpa = SPAPR_PCI_NV2RAM64_WIN_BASE + index * SPAPR_PCI_NV2RAM64_WIN_SIZE; | |
4244 | *nv2atsd = SPAPR_PCI_NV2ATSD_WIN_BASE + index * SPAPR_PCI_NV2ATSD_WIN_SIZE; | |
6737d9ad DG |
4245 | } |
4246 | ||
7844e12b CLG |
4247 | static ICSState *spapr_ics_get(XICSFabric *dev, int irq) |
4248 | { | |
ce2918cb | 4249 | SpaprMachineState *spapr = SPAPR_MACHINE(dev); |
7844e12b CLG |
4250 | |
4251 | return ics_valid_irq(spapr->ics, irq) ? spapr->ics : NULL; | |
4252 | } | |
4253 | ||
4254 | static void spapr_ics_resend(XICSFabric *dev) | |
4255 | { | |
ce2918cb | 4256 | SpaprMachineState *spapr = SPAPR_MACHINE(dev); |
7844e12b CLG |
4257 | |
4258 | ics_resend(spapr->ics); | |
4259 | } | |
4260 | ||
81210c20 | 4261 | static ICPState *spapr_icp_get(XICSFabric *xi, int vcpu_id) |
b2fc59aa | 4262 | { |
2e886fb3 | 4263 | PowerPCCPU *cpu = spapr_find_cpu(vcpu_id); |
b2fc59aa | 4264 | |
a28b9a5a | 4265 | return cpu ? spapr_cpu_state(cpu)->icp : NULL; |
b2fc59aa CLG |
4266 | } |
4267 | ||
6449da45 CLG |
4268 | static void spapr_pic_print_info(InterruptStatsProvider *obj, |
4269 | Monitor *mon) | |
4270 | { | |
ce2918cb | 4271 | SpaprMachineState *spapr = SPAPR_MACHINE(obj); |
6449da45 | 4272 | |
328d8eb2 | 4273 | spapr_irq_print_info(spapr, mon); |
f041d6af GK |
4274 | monitor_printf(mon, "irqchip: %s\n", |
4275 | kvm_irqchip_in_kernel() ? "in-kernel" : "emulated"); | |
6449da45 CLG |
4276 | } |
4277 | ||
14bb4486 | 4278 | int spapr_get_vcpu_id(PowerPCCPU *cpu) |
2e886fb3 | 4279 | { |
b1a568c1 | 4280 | return cpu->vcpu_id; |
2e886fb3 SB |
4281 | } |
4282 | ||
648edb64 GK |
4283 | void spapr_set_vcpu_id(PowerPCCPU *cpu, int cpu_index, Error **errp) |
4284 | { | |
ce2918cb | 4285 | SpaprMachineState *spapr = SPAPR_MACHINE(qdev_get_machine()); |
fe6b6346 | 4286 | MachineState *ms = MACHINE(spapr); |
648edb64 GK |
4287 | int vcpu_id; |
4288 | ||
5d0fb150 | 4289 | vcpu_id = spapr_vcpu_id(spapr, cpu_index); |
648edb64 GK |
4290 | |
4291 | if (kvm_enabled() && !kvm_vcpu_id_is_valid(vcpu_id)) { | |
4292 | error_setg(errp, "Can't create CPU with id %d in KVM", vcpu_id); | |
4293 | error_append_hint(errp, "Adjust the number of cpus to %d " | |
4294 | "or try to raise the number of threads per core\n", | |
fe6b6346 | 4295 | vcpu_id * ms->smp.threads / spapr->vsmt); |
648edb64 GK |
4296 | return; |
4297 | } | |
4298 | ||
4299 | cpu->vcpu_id = vcpu_id; | |
4300 | } | |
4301 | ||
2e886fb3 SB |
4302 | PowerPCCPU *spapr_find_cpu(int vcpu_id) |
4303 | { | |
4304 | CPUState *cs; | |
4305 | ||
4306 | CPU_FOREACH(cs) { | |
4307 | PowerPCCPU *cpu = POWERPC_CPU(cs); | |
4308 | ||
14bb4486 | 4309 | if (spapr_get_vcpu_id(cpu) == vcpu_id) { |
2e886fb3 SB |
4310 | return cpu; |
4311 | } | |
4312 | } | |
4313 | ||
4314 | return NULL; | |
4315 | } | |
4316 | ||
03ef074c NP |
4317 | static void spapr_cpu_exec_enter(PPCVirtualHypervisor *vhyp, PowerPCCPU *cpu) |
4318 | { | |
4319 | SpaprCpuState *spapr_cpu = spapr_cpu_state(cpu); | |
4320 | ||
4321 | /* These are only called by TCG, KVM maintains dispatch state */ | |
4322 | ||
3a6e6224 | 4323 | spapr_cpu->prod = false; |
03ef074c NP |
4324 | if (spapr_cpu->vpa_addr) { |
4325 | CPUState *cs = CPU(cpu); | |
4326 | uint32_t dispatch; | |
4327 | ||
4328 | dispatch = ldl_be_phys(cs->as, | |
4329 | spapr_cpu->vpa_addr + VPA_DISPATCH_COUNTER); | |
4330 | dispatch++; | |
4331 | if ((dispatch & 1) != 0) { | |
4332 | qemu_log_mask(LOG_GUEST_ERROR, | |
4333 | "VPA: incorrect dispatch counter value for " | |
4334 | "dispatched partition %u, correcting.\n", dispatch); | |
4335 | dispatch++; | |
4336 | } | |
4337 | stl_be_phys(cs->as, | |
4338 | spapr_cpu->vpa_addr + VPA_DISPATCH_COUNTER, dispatch); | |
4339 | } | |
4340 | } | |
4341 | ||
4342 | static void spapr_cpu_exec_exit(PPCVirtualHypervisor *vhyp, PowerPCCPU *cpu) | |
4343 | { | |
4344 | SpaprCpuState *spapr_cpu = spapr_cpu_state(cpu); | |
4345 | ||
4346 | if (spapr_cpu->vpa_addr) { | |
4347 | CPUState *cs = CPU(cpu); | |
4348 | uint32_t dispatch; | |
4349 | ||
4350 | dispatch = ldl_be_phys(cs->as, | |
4351 | spapr_cpu->vpa_addr + VPA_DISPATCH_COUNTER); | |
4352 | dispatch++; | |
4353 | if ((dispatch & 1) != 1) { | |
4354 | qemu_log_mask(LOG_GUEST_ERROR, | |
4355 | "VPA: incorrect dispatch counter value for " | |
4356 | "preempted partition %u, correcting.\n", dispatch); | |
4357 | dispatch++; | |
4358 | } | |
4359 | stl_be_phys(cs->as, | |
4360 | spapr_cpu->vpa_addr + VPA_DISPATCH_COUNTER, dispatch); | |
4361 | } | |
4362 | } | |
4363 | ||
29ee3247 AK |
4364 | static void spapr_machine_class_init(ObjectClass *oc, void *data) |
4365 | { | |
4366 | MachineClass *mc = MACHINE_CLASS(oc); | |
ce2918cb | 4367 | SpaprMachineClass *smc = SPAPR_MACHINE_CLASS(oc); |
71461b0f | 4368 | FWPathProviderClass *fwc = FW_PATH_PROVIDER_CLASS(oc); |
34316482 | 4369 | NMIClass *nc = NMI_CLASS(oc); |
c20d332a | 4370 | HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(oc); |
1d1be34d | 4371 | PPCVirtualHypervisorClass *vhc = PPC_VIRTUAL_HYPERVISOR_CLASS(oc); |
7844e12b | 4372 | XICSFabricClass *xic = XICS_FABRIC_CLASS(oc); |
6449da45 | 4373 | InterruptStatsProviderClass *ispc = INTERRUPT_STATS_PROVIDER_CLASS(oc); |
958db90c | 4374 | |
0eb9054c | 4375 | mc->desc = "pSeries Logical Partition (PAPR compliant)"; |
907aac2f | 4376 | mc->ignore_boot_device_suffixes = true; |
fc9f38c3 DG |
4377 | |
4378 | /* | |
4379 | * We set up the default / latest behaviour here. The class_init | |
4380 | * functions for the specific versioned machine types can override | |
4381 | * these details for backwards compatibility | |
4382 | */ | |
bcb5ce08 DG |
4383 | mc->init = spapr_machine_init; |
4384 | mc->reset = spapr_machine_reset; | |
958db90c | 4385 | mc->block_default_type = IF_SCSI; |
6244bb7e | 4386 | mc->max_cpus = 1024; |
958db90c | 4387 | mc->no_parallel = 1; |
5b2128d2 | 4388 | mc->default_boot_order = ""; |
d23b6caa | 4389 | mc->default_ram_size = 512 * MiB; |
29f9cef3 | 4390 | mc->default_display = "std"; |
958db90c | 4391 | mc->kvm_type = spapr_kvm_type; |
7da79a16 | 4392 | machine_class_allow_dynamic_sysbus_dev(mc, TYPE_SPAPR_PCI_HOST_BRIDGE); |
e4024630 | 4393 | mc->pci_allow_0_address = true; |
debbdc00 | 4394 | assert(!mc->get_hotplug_handler); |
7ebaf795 | 4395 | mc->get_hotplug_handler = spapr_get_hotplug_handler; |
94a94e4c | 4396 | hc->pre_plug = spapr_machine_device_pre_plug; |
c20d332a | 4397 | hc->plug = spapr_machine_device_plug; |
ea089eeb | 4398 | mc->cpu_index_to_instance_props = spapr_cpu_index_to_props; |
79e07936 | 4399 | mc->get_default_cpu_node_id = spapr_get_default_cpu_node_id; |
535455fd | 4400 | mc->possible_cpu_arch_ids = spapr_possible_cpu_arch_ids; |
cf632463 | 4401 | hc->unplug_request = spapr_machine_device_unplug_request; |
88432f44 | 4402 | hc->unplug = spapr_machine_device_unplug; |
00b4fbe2 | 4403 | |
fc9f38c3 | 4404 | smc->dr_lmb_enabled = true; |
fea35ca4 | 4405 | smc->update_dt_enabled = true; |
34a6b015 | 4406 | mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("power9_v2.0"); |
c5514d0e | 4407 | mc->has_hotpluggable_cpus = true; |
52b81ab5 | 4408 | smc->resize_hpt_default = SPAPR_RESIZE_HPT_ENABLED; |
71461b0f | 4409 | fwc->get_dev_path = spapr_get_fw_dev_path; |
34316482 | 4410 | nc->nmi_monitor_handler = spapr_nmi; |
6737d9ad | 4411 | smc->phb_placement = spapr_phb_placement; |
1d1be34d | 4412 | vhc->hypercall = emulate_spapr_hypercall; |
e57ca75c DG |
4413 | vhc->hpt_mask = spapr_hpt_mask; |
4414 | vhc->map_hptes = spapr_map_hptes; | |
4415 | vhc->unmap_hptes = spapr_unmap_hptes; | |
a2dd4e83 BH |
4416 | vhc->hpte_set_c = spapr_hpte_set_c; |
4417 | vhc->hpte_set_r = spapr_hpte_set_r; | |
79825f4d | 4418 | vhc->get_pate = spapr_get_pate; |
1ec26c75 | 4419 | vhc->encode_hpt_for_kvm_pr = spapr_encode_hpt_for_kvm_pr; |
03ef074c NP |
4420 | vhc->cpu_exec_enter = spapr_cpu_exec_enter; |
4421 | vhc->cpu_exec_exit = spapr_cpu_exec_exit; | |
7844e12b CLG |
4422 | xic->ics_get = spapr_ics_get; |
4423 | xic->ics_resend = spapr_ics_resend; | |
b2fc59aa | 4424 | xic->icp_get = spapr_icp_get; |
6449da45 | 4425 | ispc->print_info = spapr_pic_print_info; |
55641213 LV |
4426 | /* Force NUMA node memory size to be a multiple of |
4427 | * SPAPR_MEMORY_BLOCK_SIZE (256M) since that's the granularity | |
4428 | * in which LMBs are represented and hot-added | |
4429 | */ | |
4430 | mc->numa_mem_align_shift = 28; | |
cd5ff833 | 4431 | mc->numa_mem_supported = true; |
0533ef5f | 4432 | mc->auto_enable_numa = true; |
33face6b | 4433 | |
4e5fe368 SJS |
4434 | smc->default_caps.caps[SPAPR_CAP_HTM] = SPAPR_CAP_OFF; |
4435 | smc->default_caps.caps[SPAPR_CAP_VSX] = SPAPR_CAP_ON; | |
4436 | smc->default_caps.caps[SPAPR_CAP_DFP] = SPAPR_CAP_ON; | |
2782ad4c SJS |
4437 | smc->default_caps.caps[SPAPR_CAP_CFPC] = SPAPR_CAP_WORKAROUND; |
4438 | smc->default_caps.caps[SPAPR_CAP_SBBC] = SPAPR_CAP_WORKAROUND; | |
4439 | smc->default_caps.caps[SPAPR_CAP_IBS] = SPAPR_CAP_WORKAROUND; | |
2309832a | 4440 | smc->default_caps.caps[SPAPR_CAP_HPT_MAXPAGESIZE] = 16; /* 64kiB */ |
b9a477b7 | 4441 | smc->default_caps.caps[SPAPR_CAP_NESTED_KVM_HV] = SPAPR_CAP_OFF; |
edaa7995 | 4442 | smc->default_caps.caps[SPAPR_CAP_LARGE_DECREMENTER] = SPAPR_CAP_ON; |
8ff43ee4 | 4443 | smc->default_caps.caps[SPAPR_CAP_CCF_ASSIST] = SPAPR_CAP_OFF; |
33face6b | 4444 | spapr_caps_add_properties(smc, &error_abort); |
bd94bc06 | 4445 | smc->irq = &spapr_irq_dual; |
dae5e39a | 4446 | smc->dr_phb_enabled = true; |
6c3829a2 | 4447 | smc->linux_pci_probe = true; |
29cb4187 | 4448 | smc->smp_threads_vsmt = true; |
54255c1f | 4449 | smc->nr_xirqs = SPAPR_NR_XIRQS; |
29ee3247 AK |
4450 | } |
4451 | ||
4452 | static const TypeInfo spapr_machine_info = { | |
4453 | .name = TYPE_SPAPR_MACHINE, | |
4454 | .parent = TYPE_MACHINE, | |
4aee7362 | 4455 | .abstract = true, |
ce2918cb | 4456 | .instance_size = sizeof(SpaprMachineState), |
bcb5ce08 | 4457 | .instance_init = spapr_instance_init, |
87bbdd9c | 4458 | .instance_finalize = spapr_machine_finalizefn, |
ce2918cb | 4459 | .class_size = sizeof(SpaprMachineClass), |
29ee3247 | 4460 | .class_init = spapr_machine_class_init, |
71461b0f AK |
4461 | .interfaces = (InterfaceInfo[]) { |
4462 | { TYPE_FW_PATH_PROVIDER }, | |
34316482 | 4463 | { TYPE_NMI }, |
c20d332a | 4464 | { TYPE_HOTPLUG_HANDLER }, |
1d1be34d | 4465 | { TYPE_PPC_VIRTUAL_HYPERVISOR }, |
7844e12b | 4466 | { TYPE_XICS_FABRIC }, |
6449da45 | 4467 | { TYPE_INTERRUPT_STATS_PROVIDER }, |
71461b0f AK |
4468 | { } |
4469 | }, | |
29ee3247 AK |
4470 | }; |
4471 | ||
fccbc785 | 4472 | #define DEFINE_SPAPR_MACHINE(suffix, verstr, latest) \ |
5013c547 DG |
4473 | static void spapr_machine_##suffix##_class_init(ObjectClass *oc, \ |
4474 | void *data) \ | |
4475 | { \ | |
4476 | MachineClass *mc = MACHINE_CLASS(oc); \ | |
4477 | spapr_machine_##suffix##_class_options(mc); \ | |
fccbc785 DG |
4478 | if (latest) { \ |
4479 | mc->alias = "pseries"; \ | |
4480 | mc->is_default = 1; \ | |
4481 | } \ | |
5013c547 | 4482 | } \ |
5013c547 DG |
4483 | static const TypeInfo spapr_machine_##suffix##_info = { \ |
4484 | .name = MACHINE_TYPE_NAME("pseries-" verstr), \ | |
4485 | .parent = TYPE_SPAPR_MACHINE, \ | |
4486 | .class_init = spapr_machine_##suffix##_class_init, \ | |
5013c547 DG |
4487 | }; \ |
4488 | static void spapr_machine_register_##suffix(void) \ | |
4489 | { \ | |
4490 | type_register(&spapr_machine_##suffix##_info); \ | |
4491 | } \ | |
0e6aac87 | 4492 | type_init(spapr_machine_register_##suffix) |
5013c547 | 4493 | |
9aec2e52 CH |
4494 | /* |
4495 | * pseries-4.2 | |
4496 | */ | |
4497 | static void spapr_machine_4_2_class_options(MachineClass *mc) | |
4498 | { | |
4499 | /* Defaults for the latest behaviour inherited from the base class */ | |
4500 | } | |
4501 | ||
4502 | DEFINE_SPAPR_MACHINE(4_2, "4.2", true); | |
4503 | ||
9bf2650b CH |
4504 | /* |
4505 | * pseries-4.1 | |
4506 | */ | |
4507 | static void spapr_machine_4_1_class_options(MachineClass *mc) | |
4508 | { | |
6c3829a2 | 4509 | SpaprMachineClass *smc = SPAPR_MACHINE_CLASS(mc); |
d15d4ad6 DG |
4510 | static GlobalProperty compat[] = { |
4511 | /* Only allow 4kiB and 64kiB IOMMU pagesizes */ | |
4512 | { TYPE_SPAPR_PCI_HOST_BRIDGE, "pgsz", "0x11000" }, | |
4513 | }; | |
4514 | ||
9aec2e52 | 4515 | spapr_machine_4_2_class_options(mc); |
6c3829a2 | 4516 | smc->linux_pci_probe = false; |
29cb4187 | 4517 | smc->smp_threads_vsmt = false; |
9aec2e52 | 4518 | compat_props_add(mc->compat_props, hw_compat_4_1, hw_compat_4_1_len); |
d15d4ad6 | 4519 | compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat)); |
9bf2650b CH |
4520 | } |
4521 | ||
9aec2e52 | 4522 | DEFINE_SPAPR_MACHINE(4_1, "4.1", false); |
9bf2650b | 4523 | |
84e060bf AW |
4524 | /* |
4525 | * pseries-4.0 | |
4526 | */ | |
eb3cba82 | 4527 | static void phb_placement_4_0(SpaprMachineState *spapr, uint32_t index, |
ec132efa AK |
4528 | uint64_t *buid, hwaddr *pio, |
4529 | hwaddr *mmio32, hwaddr *mmio64, | |
4530 | unsigned n_dma, uint32_t *liobns, | |
4531 | hwaddr *nv2gpa, hwaddr *nv2atsd, Error **errp) | |
4532 | { | |
4533 | spapr_phb_placement(spapr, index, buid, pio, mmio32, mmio64, n_dma, liobns, | |
4534 | nv2gpa, nv2atsd, errp); | |
4535 | *nv2gpa = 0; | |
4536 | *nv2atsd = 0; | |
4537 | } | |
4538 | ||
eb3cba82 DG |
4539 | static void spapr_machine_4_0_class_options(MachineClass *mc) |
4540 | { | |
4541 | SpaprMachineClass *smc = SPAPR_MACHINE_CLASS(mc); | |
4542 | ||
4543 | spapr_machine_4_1_class_options(mc); | |
4544 | compat_props_add(mc->compat_props, hw_compat_4_0, hw_compat_4_0_len); | |
4545 | smc->phb_placement = phb_placement_4_0; | |
bd94bc06 | 4546 | smc->irq = &spapr_irq_xics; |
3725ef1a | 4547 | smc->pre_4_1_migration = true; |
eb3cba82 DG |
4548 | } |
4549 | ||
4550 | DEFINE_SPAPR_MACHINE(4_0, "4.0", false); | |
4551 | ||
4552 | /* | |
4553 | * pseries-3.1 | |
4554 | */ | |
d45360d9 CLG |
4555 | static void spapr_machine_3_1_class_options(MachineClass *mc) |
4556 | { | |
ce2918cb | 4557 | SpaprMachineClass *smc = SPAPR_MACHINE_CLASS(mc); |
fea35ca4 | 4558 | |
84e060bf | 4559 | spapr_machine_4_0_class_options(mc); |
abd93cc7 | 4560 | compat_props_add(mc->compat_props, hw_compat_3_1, hw_compat_3_1_len); |
27461d69 | 4561 | |
34a6b015 | 4562 | mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("power8_v2.0"); |
fea35ca4 | 4563 | smc->update_dt_enabled = false; |
dae5e39a | 4564 | smc->dr_phb_enabled = false; |
0a794529 | 4565 | smc->broken_host_serial_model = true; |
2782ad4c SJS |
4566 | smc->default_caps.caps[SPAPR_CAP_CFPC] = SPAPR_CAP_BROKEN; |
4567 | smc->default_caps.caps[SPAPR_CAP_SBBC] = SPAPR_CAP_BROKEN; | |
4568 | smc->default_caps.caps[SPAPR_CAP_IBS] = SPAPR_CAP_BROKEN; | |
edaa7995 | 4569 | smc->default_caps.caps[SPAPR_CAP_LARGE_DECREMENTER] = SPAPR_CAP_OFF; |
d45360d9 CLG |
4570 | } |
4571 | ||
84e060bf | 4572 | DEFINE_SPAPR_MACHINE(3_1, "3.1", false); |
d45360d9 | 4573 | |
8a4fd427 | 4574 | /* |
d8c0c7af | 4575 | * pseries-3.0 |
8a4fd427 | 4576 | */ |
d45360d9 | 4577 | |
d8c0c7af | 4578 | static void spapr_machine_3_0_class_options(MachineClass *mc) |
8a4fd427 | 4579 | { |
ce2918cb | 4580 | SpaprMachineClass *smc = SPAPR_MACHINE_CLASS(mc); |
82cffa2e | 4581 | |
d45360d9 | 4582 | spapr_machine_3_1_class_options(mc); |
ddb3235d | 4583 | compat_props_add(mc->compat_props, hw_compat_3_0, hw_compat_3_0_len); |
82cffa2e CLG |
4584 | |
4585 | smc->legacy_irq_allocation = true; | |
54255c1f | 4586 | smc->nr_xirqs = 0x400; |
ae837402 | 4587 | smc->irq = &spapr_irq_xics_legacy; |
8a4fd427 DG |
4588 | } |
4589 | ||
d45360d9 | 4590 | DEFINE_SPAPR_MACHINE(3_0, "3.0", false); |
8a4fd427 | 4591 | |
2b615412 DG |
4592 | /* |
4593 | * pseries-2.12 | |
4594 | */ | |
2b615412 DG |
4595 | static void spapr_machine_2_12_class_options(MachineClass *mc) |
4596 | { | |
ce2918cb | 4597 | SpaprMachineClass *smc = SPAPR_MACHINE_CLASS(mc); |
88cbe073 | 4598 | static GlobalProperty compat[] = { |
6c36bddf EH |
4599 | { TYPE_POWERPC_CPU, "pre-3.0-migration", "on" }, |
4600 | { TYPE_SPAPR_CPU_CORE, "pre-3.0-migration", "on" }, | |
88cbe073 | 4601 | }; |
2309832a | 4602 | |
d8c0c7af | 4603 | spapr_machine_3_0_class_options(mc); |
0d47310b | 4604 | compat_props_add(mc->compat_props, hw_compat_2_12, hw_compat_2_12_len); |
88cbe073 | 4605 | compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat)); |
2309832a | 4606 | |
e8937295 GK |
4607 | /* We depend on kvm_enabled() to choose a default value for the |
4608 | * hpt-max-page-size capability. Of course we can't do it here | |
4609 | * because this is too early and the HW accelerator isn't initialzed | |
4610 | * yet. Postpone this to machine init (see default_caps_with_cpu()). | |
4611 | */ | |
4612 | smc->default_caps.caps[SPAPR_CAP_HPT_MAXPAGESIZE] = 0; | |
2b615412 DG |
4613 | } |
4614 | ||
8a4fd427 | 4615 | DEFINE_SPAPR_MACHINE(2_12, "2.12", false); |
2b615412 | 4616 | |
813f3cf6 SJS |
4617 | static void spapr_machine_2_12_sxxm_class_options(MachineClass *mc) |
4618 | { | |
ce2918cb | 4619 | SpaprMachineClass *smc = SPAPR_MACHINE_CLASS(mc); |
813f3cf6 SJS |
4620 | |
4621 | spapr_machine_2_12_class_options(mc); | |
4622 | smc->default_caps.caps[SPAPR_CAP_CFPC] = SPAPR_CAP_WORKAROUND; | |
4623 | smc->default_caps.caps[SPAPR_CAP_SBBC] = SPAPR_CAP_WORKAROUND; | |
4624 | smc->default_caps.caps[SPAPR_CAP_IBS] = SPAPR_CAP_FIXED_CCD; | |
4625 | } | |
4626 | ||
4627 | DEFINE_SPAPR_MACHINE(2_12_sxxm, "2.12-sxxm", false); | |
4628 | ||
e2676b16 GK |
4629 | /* |
4630 | * pseries-2.11 | |
4631 | */ | |
2b615412 | 4632 | |
e2676b16 GK |
4633 | static void spapr_machine_2_11_class_options(MachineClass *mc) |
4634 | { | |
ce2918cb | 4635 | SpaprMachineClass *smc = SPAPR_MACHINE_CLASS(mc); |
ee76a09f | 4636 | |
2b615412 | 4637 | spapr_machine_2_12_class_options(mc); |
4e5fe368 | 4638 | smc->default_caps.caps[SPAPR_CAP_HTM] = SPAPR_CAP_ON; |
43df70a9 | 4639 | compat_props_add(mc->compat_props, hw_compat_2_11, hw_compat_2_11_len); |
e2676b16 GK |
4640 | } |
4641 | ||
2b615412 | 4642 | DEFINE_SPAPR_MACHINE(2_11, "2.11", false); |
e2676b16 | 4643 | |
3fa14fbe DG |
4644 | /* |
4645 | * pseries-2.10 | |
4646 | */ | |
e2676b16 | 4647 | |
3fa14fbe DG |
4648 | static void spapr_machine_2_10_class_options(MachineClass *mc) |
4649 | { | |
e2676b16 | 4650 | spapr_machine_2_11_class_options(mc); |
503224f4 | 4651 | compat_props_add(mc->compat_props, hw_compat_2_10, hw_compat_2_10_len); |
3fa14fbe DG |
4652 | } |
4653 | ||
e2676b16 | 4654 | DEFINE_SPAPR_MACHINE(2_10, "2.10", false); |
3fa14fbe | 4655 | |
fa325e6c DG |
4656 | /* |
4657 | * pseries-2.9 | |
4658 | */ | |
3fa14fbe | 4659 | |
fa325e6c DG |
4660 | static void spapr_machine_2_9_class_options(MachineClass *mc) |
4661 | { | |
ce2918cb | 4662 | SpaprMachineClass *smc = SPAPR_MACHINE_CLASS(mc); |
88cbe073 | 4663 | static GlobalProperty compat[] = { |
6c36bddf | 4664 | { TYPE_POWERPC_CPU, "pre-2.10-migration", "on" }, |
88cbe073 | 4665 | }; |
46f7afa3 | 4666 | |
3fa14fbe | 4667 | spapr_machine_2_10_class_options(mc); |
3e803152 | 4668 | compat_props_add(mc->compat_props, hw_compat_2_9, hw_compat_2_9_len); |
88cbe073 | 4669 | compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat)); |
3bfe5716 | 4670 | mc->numa_auto_assign_ram = numa_legacy_auto_assign_ram; |
46f7afa3 | 4671 | smc->pre_2_10_has_unused_icps = true; |
52b81ab5 | 4672 | smc->resize_hpt_default = SPAPR_RESIZE_HPT_DISABLED; |
fa325e6c DG |
4673 | } |
4674 | ||
3fa14fbe | 4675 | DEFINE_SPAPR_MACHINE(2_9, "2.9", false); |
fa325e6c | 4676 | |
db800b21 DG |
4677 | /* |
4678 | * pseries-2.8 | |
4679 | */ | |
fa325e6c | 4680 | |
db800b21 DG |
4681 | static void spapr_machine_2_8_class_options(MachineClass *mc) |
4682 | { | |
88cbe073 | 4683 | static GlobalProperty compat[] = { |
6c36bddf | 4684 | { TYPE_SPAPR_PCI_HOST_BRIDGE, "pcie-extended-configuration-space", "off" }, |
88cbe073 MAL |
4685 | }; |
4686 | ||
fa325e6c | 4687 | spapr_machine_2_9_class_options(mc); |
edc24ccd | 4688 | compat_props_add(mc->compat_props, hw_compat_2_8, hw_compat_2_8_len); |
88cbe073 | 4689 | compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat)); |
55641213 | 4690 | mc->numa_mem_align_shift = 23; |
db800b21 DG |
4691 | } |
4692 | ||
fa325e6c | 4693 | DEFINE_SPAPR_MACHINE(2_8, "2.8", false); |
db800b21 | 4694 | |
1ea1eefc BR |
4695 | /* |
4696 | * pseries-2.7 | |
4697 | */ | |
357d1e3b | 4698 | |
ce2918cb | 4699 | static void phb_placement_2_7(SpaprMachineState *spapr, uint32_t index, |
357d1e3b DG |
4700 | uint64_t *buid, hwaddr *pio, |
4701 | hwaddr *mmio32, hwaddr *mmio64, | |
ec132efa AK |
4702 | unsigned n_dma, uint32_t *liobns, |
4703 | hwaddr *nv2gpa, hwaddr *nv2atsd, Error **errp) | |
357d1e3b DG |
4704 | { |
4705 | /* Legacy PHB placement for pseries-2.7 and earlier machine types */ | |
4706 | const uint64_t base_buid = 0x800000020000000ULL; | |
4707 | const hwaddr phb_spacing = 0x1000000000ULL; /* 64 GiB */ | |
4708 | const hwaddr mmio_offset = 0xa0000000; /* 2 GiB + 512 MiB */ | |
4709 | const hwaddr pio_offset = 0x80000000; /* 2 GiB */ | |
4710 | const uint32_t max_index = 255; | |
4711 | const hwaddr phb0_alignment = 0x10000000000ULL; /* 1 TiB */ | |
4712 | ||
4713 | uint64_t ram_top = MACHINE(spapr)->ram_size; | |
4714 | hwaddr phb0_base, phb_base; | |
4715 | int i; | |
4716 | ||
0c9269a5 | 4717 | /* Do we have device memory? */ |
357d1e3b DG |
4718 | if (MACHINE(spapr)->maxram_size > ram_top) { |
4719 | /* Can't just use maxram_size, because there may be an | |
0c9269a5 DH |
4720 | * alignment gap between normal and device memory regions |
4721 | */ | |
b0c14ec4 DH |
4722 | ram_top = MACHINE(spapr)->device_memory->base + |
4723 | memory_region_size(&MACHINE(spapr)->device_memory->mr); | |
357d1e3b DG |
4724 | } |
4725 | ||
4726 | phb0_base = QEMU_ALIGN_UP(ram_top, phb0_alignment); | |
4727 | ||
4728 | if (index > max_index) { | |
4729 | error_setg(errp, "\"index\" for PAPR PHB is too large (max %u)", | |
4730 | max_index); | |
4731 | return; | |
4732 | } | |
4733 | ||
4734 | *buid = base_buid + index; | |
4735 | for (i = 0; i < n_dma; ++i) { | |
4736 | liobns[i] = SPAPR_PCI_LIOBN(index, i); | |
4737 | } | |
4738 | ||
4739 | phb_base = phb0_base + index * phb_spacing; | |
4740 | *pio = phb_base + pio_offset; | |
4741 | *mmio32 = phb_base + mmio_offset; | |
4742 | /* | |
4743 | * We don't set the 64-bit MMIO window, relying on the PHB's | |
4744 | * fallback behaviour of automatically splitting a large "32-bit" | |
4745 | * window into contiguous 32-bit and 64-bit windows | |
4746 | */ | |
ec132efa AK |
4747 | |
4748 | *nv2gpa = 0; | |
4749 | *nv2atsd = 0; | |
357d1e3b | 4750 | } |
db800b21 | 4751 | |
1ea1eefc BR |
4752 | static void spapr_machine_2_7_class_options(MachineClass *mc) |
4753 | { | |
ce2918cb | 4754 | SpaprMachineClass *smc = SPAPR_MACHINE_CLASS(mc); |
88cbe073 | 4755 | static GlobalProperty compat[] = { |
6c36bddf EH |
4756 | { TYPE_SPAPR_PCI_HOST_BRIDGE, "mem_win_size", "0xf80000000", }, |
4757 | { TYPE_SPAPR_PCI_HOST_BRIDGE, "mem64_win_size", "0", }, | |
4758 | { TYPE_POWERPC_CPU, "pre-2.8-migration", "on", }, | |
4759 | { TYPE_SPAPR_PCI_HOST_BRIDGE, "pre-2.8-migration", "on", }, | |
88cbe073 | 4760 | }; |
3daa4a9f | 4761 | |
db800b21 | 4762 | spapr_machine_2_8_class_options(mc); |
2e9c10eb | 4763 | mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("power7_v2.3"); |
a140c199 | 4764 | mc->default_machine_opts = "modern-hotplug-events=off"; |
5a995064 | 4765 | compat_props_add(mc->compat_props, hw_compat_2_7, hw_compat_2_7_len); |
88cbe073 | 4766 | compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat)); |
357d1e3b | 4767 | smc->phb_placement = phb_placement_2_7; |
1ea1eefc BR |
4768 | } |
4769 | ||
db800b21 | 4770 | DEFINE_SPAPR_MACHINE(2_7, "2.7", false); |
1ea1eefc | 4771 | |
4b23699c DG |
4772 | /* |
4773 | * pseries-2.6 | |
4774 | */ | |
1ea1eefc | 4775 | |
4b23699c DG |
4776 | static void spapr_machine_2_6_class_options(MachineClass *mc) |
4777 | { | |
88cbe073 | 4778 | static GlobalProperty compat[] = { |
6c36bddf | 4779 | { TYPE_SPAPR_PCI_HOST_BRIDGE, "ddw", "off" }, |
88cbe073 MAL |
4780 | }; |
4781 | ||
1ea1eefc | 4782 | spapr_machine_2_7_class_options(mc); |
c5514d0e | 4783 | mc->has_hotpluggable_cpus = false; |
ff8f261f | 4784 | compat_props_add(mc->compat_props, hw_compat_2_6, hw_compat_2_6_len); |
88cbe073 | 4785 | compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat)); |
4b23699c DG |
4786 | } |
4787 | ||
1ea1eefc | 4788 | DEFINE_SPAPR_MACHINE(2_6, "2.6", false); |
4b23699c | 4789 | |
1c5f29bb DG |
4790 | /* |
4791 | * pseries-2.5 | |
4792 | */ | |
4b23699c | 4793 | |
5013c547 DG |
4794 | static void spapr_machine_2_5_class_options(MachineClass *mc) |
4795 | { | |
ce2918cb | 4796 | SpaprMachineClass *smc = SPAPR_MACHINE_CLASS(mc); |
88cbe073 | 4797 | static GlobalProperty compat[] = { |
6c36bddf | 4798 | { "spapr-vlan", "use-rx-buffer-pools", "off" }, |
88cbe073 | 4799 | }; |
57040d45 | 4800 | |
4b23699c | 4801 | spapr_machine_2_6_class_options(mc); |
57040d45 | 4802 | smc->use_ohci_by_default = true; |
fe759610 | 4803 | compat_props_add(mc->compat_props, hw_compat_2_5, hw_compat_2_5_len); |
88cbe073 | 4804 | compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat)); |
1c5f29bb DG |
4805 | } |
4806 | ||
4b23699c | 4807 | DEFINE_SPAPR_MACHINE(2_5, "2.5", false); |
1c5f29bb DG |
4808 | |
4809 | /* | |
4810 | * pseries-2.4 | |
4811 | */ | |
80fd50f9 | 4812 | |
5013c547 DG |
4813 | static void spapr_machine_2_4_class_options(MachineClass *mc) |
4814 | { | |
ce2918cb | 4815 | SpaprMachineClass *smc = SPAPR_MACHINE_CLASS(mc); |
fc9f38c3 DG |
4816 | |
4817 | spapr_machine_2_5_class_options(mc); | |
fc9f38c3 | 4818 | smc->dr_lmb_enabled = false; |
2f99b9c2 | 4819 | compat_props_add(mc->compat_props, hw_compat_2_4, hw_compat_2_4_len); |
1c5f29bb DG |
4820 | } |
4821 | ||
fccbc785 | 4822 | DEFINE_SPAPR_MACHINE(2_4, "2.4", false); |
1c5f29bb DG |
4823 | |
4824 | /* | |
4825 | * pseries-2.3 | |
4826 | */ | |
38ff32c6 | 4827 | |
5013c547 | 4828 | static void spapr_machine_2_3_class_options(MachineClass *mc) |
6026db45 | 4829 | { |
88cbe073 | 4830 | static GlobalProperty compat[] = { |
6c36bddf | 4831 | { "spapr-pci-host-bridge", "dynamic-reconfiguration", "off" }, |
88cbe073 | 4832 | }; |
fc9f38c3 | 4833 | spapr_machine_2_4_class_options(mc); |
8995dd90 | 4834 | compat_props_add(mc->compat_props, hw_compat_2_3, hw_compat_2_3_len); |
88cbe073 | 4835 | compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat)); |
6026db45 | 4836 | } |
fccbc785 | 4837 | DEFINE_SPAPR_MACHINE(2_3, "2.3", false); |
6026db45 | 4838 | |
1c5f29bb DG |
4839 | /* |
4840 | * pseries-2.2 | |
4841 | */ | |
1c5f29bb | 4842 | |
5013c547 | 4843 | static void spapr_machine_2_2_class_options(MachineClass *mc) |
4aee7362 | 4844 | { |
88cbe073 | 4845 | static GlobalProperty compat[] = { |
6c36bddf | 4846 | { TYPE_SPAPR_PCI_HOST_BRIDGE, "mem_win_size", "0x20000000" }, |
88cbe073 MAL |
4847 | }; |
4848 | ||
fc9f38c3 | 4849 | spapr_machine_2_3_class_options(mc); |
1c30044e | 4850 | compat_props_add(mc->compat_props, hw_compat_2_2, hw_compat_2_2_len); |
88cbe073 | 4851 | compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat)); |
f6d0656b | 4852 | mc->default_machine_opts = "modern-hotplug-events=off,suppress-vmdesc=on"; |
4aee7362 | 4853 | } |
fccbc785 | 4854 | DEFINE_SPAPR_MACHINE(2_2, "2.2", false); |
4aee7362 | 4855 | |
1c5f29bb DG |
4856 | /* |
4857 | * pseries-2.1 | |
4858 | */ | |
3dab0244 | 4859 | |
5013c547 | 4860 | static void spapr_machine_2_1_class_options(MachineClass *mc) |
d25228e7 | 4861 | { |
fc9f38c3 | 4862 | spapr_machine_2_2_class_options(mc); |
c4fc5695 | 4863 | compat_props_add(mc->compat_props, hw_compat_2_1, hw_compat_2_1_len); |
d25228e7 | 4864 | } |
fccbc785 | 4865 | DEFINE_SPAPR_MACHINE(2_1, "2.1", false); |
fb0fc8f6 | 4866 | |
29ee3247 | 4867 | static void spapr_machine_register_types(void) |
9fdf0c29 | 4868 | { |
29ee3247 | 4869 | type_register_static(&spapr_machine_info); |
9fdf0c29 DG |
4870 | } |
4871 | ||
29ee3247 | 4872 | type_init(spapr_machine_register_types) |