diff options
| author | Peter Maydell <peter.maydell@linaro.org> | 2015-12-23 12:27:51 +0000 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2015-12-23 12:27:51 +0000 |
| commit | 5fbba56073828759b87d36cff3d31922a0e6f17e (patch) | |
| tree | 5128df72067614610d350b8a0f3d0e35f8d7788d | |
| parent | 05bec7eb0e6df6c166caea761b311d5c8c2b4cb8 (diff) | |
| parent | 5530427f0ca240b972f25ef0413fb966f96dfb05 (diff) | |
Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging
acpi, pc features
pxb support for q35
nvdimm support
most of ipmi support
part of DSDT rewrite
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
# gpg: Signature made Tue 22 Dec 2015 16:47:18 GMT using RSA key ID D28D5469
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>"
# gpg: aka "Michael S. Tsirkin <mst@redhat.com>"
* remotes/mst/tags/for_upstream: (55 commits)
acpi: extend aml_and() to accept target argument
acpi: extend aml_or() to accept target argument
acpi add aml_dma()
acpi: add aml_to_buffer()
acpi: add aml_to_hexstring()
acpi: extend aml_field() to support LockRule
acpi: add aml_lgreater()
acpi: add aml_lor()
acpi: add aml_sleep()
acpi: add aml_alias()
acpi: extend aml_shiftright() to accept target argument
acpi: add aml_to_integer()
acpi: add aml_call0() helper
acpi: add aml_decrement() and aml_subtract()
acpi: extend aml_add() to accept target argument
acpi: aml: add helper for Opcode Arg2 Arg2 [Dst] AML pattern
acpi: add aml_create_qword_field()
acpi: add aml_mutex(), aml_acquire(), aml_release()
acpi: add aml_lgreater_equal()
acpi: add aml_sizeof
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
39 files changed, 6306 insertions, 837 deletions
diff --git a/MAINTAINERS b/MAINTAINERS index 46bba68990..5a62ecda17 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -941,6 +941,13 @@ M: Jiri Pirko <jiri@resnulli.us> S: Maintained F: hw/net/rocker/ +NVDIMM +M: Xiao Guangrong <guangrong.xiao@linux.intel.com> +S: Maintained +F: hw/acpi/nvdimm.c +F: hw/mem/nvdimm.c +F: include/hw/mem/nvdimm.h + Subsystems ---------- Audio diff --git a/default-configs/i386-softmmu.mak b/default-configs/i386-softmmu.mak index 57ccff33e3..b177e52104 100644 --- a/default-configs/i386-softmmu.mak +++ b/default-configs/i386-softmmu.mak @@ -9,6 +9,11 @@ CONFIG_VGA_CIRRUS=y CONFIG_VMWARE_VGA=y CONFIG_VIRTIO_VGA=y CONFIG_VMMOUSE=y +CONFIG_IPMI=y +CONFIG_IPMI_LOCAL=y +CONFIG_IPMI_EXTERN=y +CONFIG_ISA_IPMI_KCS=y +CONFIG_ISA_IPMI_BT=y CONFIG_SERIAL=y CONFIG_PARALLEL=y CONFIG_I8254=y @@ -46,6 +51,8 @@ CONFIG_APIC=y CONFIG_IOAPIC=y CONFIG_PVPANIC=y CONFIG_MEM_HOTPLUG=y +CONFIG_NVDIMM=y +CONFIG_ACPI_NVDIMM=y CONFIG_XIO3130=y CONFIG_IOH3420=y CONFIG_I82801B11=y diff --git a/default-configs/x86_64-softmmu.mak b/default-configs/x86_64-softmmu.mak index 30f5e751e6..6e3b312c5f 100644 --- a/default-configs/x86_64-softmmu.mak +++ b/default-configs/x86_64-softmmu.mak @@ -9,6 +9,11 @@ CONFIG_VGA_CIRRUS=y CONFIG_VMWARE_VGA=y CONFIG_VIRTIO_VGA=y CONFIG_VMMOUSE=y +CONFIG_IPMI=y +CONFIG_IPMI_LOCAL=y +CONFIG_IPMI_EXTERN=y +CONFIG_ISA_IPMI_KCS=y +CONFIG_ISA_IPMI_BT=y CONFIG_SERIAL=y CONFIG_PARALLEL=y CONFIG_I8254=y @@ -46,6 +51,8 @@ CONFIG_APIC=y CONFIG_IOAPIC=y CONFIG_PVPANIC=y CONFIG_MEM_HOTPLUG=y +CONFIG_NVDIMM=y +CONFIG_ACPI_NVDIMM=y CONFIG_XIO3130=y CONFIG_IOH3420=y CONFIG_I82801B11=y diff --git a/docs/pci_expander_bridge.txt b/docs/pci_expander_bridge.txt index d7913fb4ae..e7c8fe939f 100644 --- a/docs/pci_expander_bridge.txt +++ b/docs/pci_expander_bridge.txt @@ -23,9 +23,9 @@ A detailed command line would be: -m 2G -object memory-backend-ram,size=1024M,policy=bind,host-nodes=0,id=ram-node0 -numa node,nodeid=0,cpus=0,memdev=ram-node0 -object memory-backend-ram,size=1024M,policy=bind,host-nodes=1,id=ram-node1 -numa node,nodeid=1,cpus=1,memdev=ram-node1 --device pxb,id=bridge1,bus=pci.0,numa_node=1,bus_nr=4 -netdev user,id=nd-device e1000,bus=bridge1,addr=0x4,netdev=nd --device pxb,id=bridge2,bus=pci.0,numa_node=0,bus_nr=8,bus=pci.0 -device e1000,bus=bridge2,addr=0x3 --device pxb,id=bridge3,bus=pci.0,bus_nr=40,bus=pci.0 -drive if=none,id=drive0,file=[img] -device virtio-blk-pci,drive=drive0,scsi=off,bus=bridge3,addr=1 +-device pxb,id=bridge1,bus=pci.0,numa_node=1,bus_nr=4 -netdev user,id=nd -device e1000,bus=bridge1,addr=0x4,netdev=nd +-device pxb,id=bridge2,bus=pci.0,numa_node=0,bus_nr=8, -device e1000,bus=bridge2,addr=0x3 +-device pxb,id=bridge3,bus=pci.0,bus_nr=40, -drive if=none,id=drive0,file=[img] -device virtio-blk-pci,drive=drive0,scsi=off,bus=bridge3,addr=1 Here you have: - 2 NUMA nodes for the guest, 0 and 1. (both mapped to the same NUMA node in host, but you can and should put it in different host NUMA nodes) diff --git a/hw/Makefile.objs b/hw/Makefile.objs index 7e7c241104..4a07ed4344 100644 --- a/hw/Makefile.objs +++ b/hw/Makefile.objs @@ -13,6 +13,7 @@ devices-dirs-$(CONFIG_SOFTMMU) += ide/ devices-dirs-$(CONFIG_SOFTMMU) += input/ devices-dirs-$(CONFIG_SOFTMMU) += intc/ devices-dirs-$(CONFIG_IPACK) += ipack/ +devices-dirs-$(CONFIG_IPMI) += ipmi/ devices-dirs-$(CONFIG_SOFTMMU) += isa/ devices-dirs-$(CONFIG_SOFTMMU) += misc/ devices-dirs-$(CONFIG_SOFTMMU) += net/ diff --git a/hw/acpi/Makefile.objs b/hw/acpi/Makefile.objs index 7d3230c2a5..095597f791 100644 --- a/hw/acpi/Makefile.objs +++ b/hw/acpi/Makefile.objs @@ -2,6 +2,7 @@ common-obj-$(CONFIG_ACPI_X86) += core.o piix4.o pcihp.o common-obj-$(CONFIG_ACPI_X86_ICH) += ich9.o tco.o common-obj-$(CONFIG_ACPI_CPU_HOTPLUG) += cpu_hotplug.o common-obj-$(CONFIG_ACPI_MEMORY_HOTPLUG) += memory_hotplug.o +common-obj-$(CONFIG_ACPI_NVDIMM) += nvdimm.o common-obj-$(CONFIG_ACPI) += acpi_interface.o common-obj-$(CONFIG_ACPI) += bios-linker-loader.o common-obj-$(CONFIG_ACPI) += aml-build.o diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c index 302cf01e5c..78e1290208 100644 --- a/hw/acpi/aml-build.c +++ b/hw/acpi/aml-build.c @@ -427,6 +427,41 @@ Aml *aml_arg(int pos) return var; } +/* ACPI 2.0a: 17.2.4.4 Type 2 Opcodes Encoding: DefToInteger */ +Aml *aml_to_integer(Aml *arg) +{ + Aml *var = aml_opcode(0x99 /* ToIntegerOp */); + aml_append(var, arg); + build_append_byte(var->buf, 0x00 /* NullNameOp */); + return var; +} + +/* ACPI 2.0a: 17.2.4.4 Type 2 Opcodes Encoding: DefToHexString */ +Aml *aml_to_hexstring(Aml *src, Aml *dst) +{ + Aml *var = aml_opcode(0x98 /* ToHexStringOp */); + aml_append(var, src); + if (dst) { + aml_append(var, dst); + } else { + build_append_byte(var->buf, 0x00 /* NullNameOp */); + } + return var; +} + +/* ACPI 2.0a: 17.2.4.4 Type 2 Opcodes Encoding: DefToBuffer */ +Aml *aml_to_buffer(Aml *src, Aml *dst) +{ + Aml *var = aml_opcode(0x96 /* ToBufferOp */); + aml_append(var, src); + if (dst) { + aml_append(var, dst); + } else { + build_append_byte(var->buf, 0x00 /* NullNameOp */); + } + return var; +} + /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefStore */ Aml *aml_store(Aml *val, Aml *target) { @@ -436,44 +471,64 @@ Aml *aml_store(Aml *val, Aml *target) return var; } -/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefAnd */ -Aml *aml_and(Aml *arg1, Aml *arg2) +/** + * build_opcode_2arg_dst: + * @op: 1-byte opcode + * @arg1: 1st operand + * @arg2: 2nd operand + * @dst: optional target to store to, set to NULL if it's not required + * + * An internal helper to compose AML terms that have + * "Op Operand Operand Target" + * pattern. + * + * Returns: The newly allocated and composed according to patter Aml object. + */ +static Aml * +build_opcode_2arg_dst(uint8_t op, Aml *arg1, Aml *arg2, Aml *dst) { - Aml *var = aml_opcode(0x7B /* AndOp */); + Aml *var = aml_opcode(op); aml_append(var, arg1); aml_append(var, arg2); - build_append_byte(var->buf, 0x00 /* NullNameOp */); + if (dst) { + aml_append(var, dst); + } else { + build_append_byte(var->buf, 0x00 /* NullNameOp */); + } return var; } +/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefAnd */ +Aml *aml_and(Aml *arg1, Aml *arg2, Aml *dst) +{ + return build_opcode_2arg_dst(0x7B /* AndOp */, arg1, arg2, dst); +} + /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefOr */ -Aml *aml_or(Aml *arg1, Aml *arg2) +Aml *aml_or(Aml *arg1, Aml *arg2, Aml *dst) +{ + return build_opcode_2arg_dst(0x7D /* OrOp */, arg1, arg2, dst); +} + +/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefLOr */ +Aml *aml_lor(Aml *arg1, Aml *arg2) { - Aml *var = aml_opcode(0x7D /* OrOp */); + Aml *var = aml_opcode(0x91 /* LOrOp */); aml_append(var, arg1); aml_append(var, arg2); - build_append_byte(var->buf, 0x00 /* NullNameOp */); return var; } /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefShiftLeft */ Aml *aml_shiftleft(Aml *arg1, Aml *count) { - Aml *var = aml_opcode(0x79 /* ShiftLeftOp */); - aml_append(var, arg1); - aml_append(var, count); - build_append_byte(var->buf, 0x00); /* NullNameOp */ - return var; + return build_opcode_2arg_dst(0x79 /* ShiftLeftOp */, arg1, count, NULL); } /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefShiftRight */ -Aml *aml_shiftright(Aml *arg1, Aml *count) +Aml *aml_shiftright(Aml *arg1, Aml *count, Aml *dst) { - Aml *var = aml_opcode(0x7A /* ShiftRightOp */); - aml_append(var, arg1); - aml_append(var, count); - build_append_byte(var->buf, 0x00); /* NullNameOp */ - return var; + return build_opcode_2arg_dst(0x7A /* ShiftRightOp */, arg1, count, dst); } /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefLLess */ @@ -486,13 +541,15 @@ Aml *aml_lless(Aml *arg1, Aml *arg2) } /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefAdd */ -Aml *aml_add(Aml *arg1, Aml *arg2) +Aml *aml_add(Aml *arg1, Aml *arg2, Aml *dst) { - Aml *var = aml_opcode(0x72 /* AddOp */); - aml_append(var, arg1); - aml_append(var, arg2); - build_append_byte(var->buf, 0x00 /* NullNameOp */); - return var; + return build_opcode_2arg_dst(0x72 /* AddOp */, arg1, arg2, dst); +} + +/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefSubtract */ +Aml *aml_subtract(Aml *arg1, Aml *arg2, Aml *dst) +{ + return build_opcode_2arg_dst(0x74 /* SubtractOp */, arg1, arg2, dst); } /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefIncrement */ @@ -503,14 +560,18 @@ Aml *aml_increment(Aml *arg) return var; } +/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefDecrement */ +Aml *aml_decrement(Aml *arg) +{ + Aml *var = aml_opcode(0x76 /* DecrementOp */); + aml_append(var, arg); + return var; +} + /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefIndex */ Aml *aml_index(Aml *arg1, Aml *idx) { - Aml *var = aml_opcode(0x88 /* IndexOp */); - aml_append(var, arg1); - aml_append(var, idx); - build_append_byte(var->buf, 0x00 /* NullNameOp */); - return var; + return build_opcode_2arg_dst(0x88 /* IndexOp */, arg1, idx, NULL); } /* ACPI 1.0b: 16.2.5.3 Type 1 Opcodes Encoding: DefNotify */ @@ -523,6 +584,14 @@ Aml *aml_notify(Aml *arg1, Aml *arg2) } /* helper to call method with 1 argument */ +Aml *aml_call0(const char *method) +{ + Aml *var = aml_alloc(); + build_append_namestring(var->buf, "%s", method); + return var; +} + +/* helper to call method with 1 argument */ Aml *aml_call1(const char *method, Aml *arg1) { Aml *var = aml_alloc(); @@ -764,6 +833,26 @@ Aml *aml_equal(Aml *arg1, Aml *arg2) return var; } +/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefLGreater */ +Aml *aml_lgreater(Aml *arg1, Aml *arg2) +{ + Aml *var = aml_opcode(0x94 /* LGreaterOp */); + aml_append(var, arg1); + aml_append(var, arg2); + return var; +} + +/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefLGreaterEqual */ +Aml *aml_lgreater_equal(Aml *arg1, Aml *arg2) +{ + /* LGreaterEqualOp := LNotOp LLessOp */ + Aml *var = aml_opcode(0x92 /* LNotOp */); + build_append_byte(var->buf, 0x95 /* LLessOp */); + aml_append(var, arg1); + aml_append(var, arg2); + return var; +} + /* ACPI 1.0b: 16.2.5.3 Type 1 Opcodes Encoding: DefIfElse */ Aml *aml_if(Aml *predicate) { @@ -889,27 +978,43 @@ Aml *aml_reserved_field(unsigned length) } /* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefField */ -Aml *aml_field(const char *name, AmlAccessType type, AmlUpdateRule rule) +Aml *aml_field(const char *name, AmlAccessType type, AmlLockRule lock, + AmlUpdateRule rule) { Aml *var = aml_bundle(0x81 /* FieldOp */, AML_EXT_PACKAGE); uint8_t flags = rule << 5 | type; + flags |= lock << 4; /* LockRule at 4 bit offset */ + build_append_namestring(var->buf, "%s", name); build_append_byte(var->buf, flags); return var; } -/* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefCreateDWordField */ -Aml *aml_create_dword_field(Aml *srcbuf, Aml *index, const char *name) +static +Aml *create_field_common(int opcode, Aml *srcbuf, Aml *index, const char *name) { - Aml *var = aml_alloc(); - build_append_byte(var->buf, 0x8A); /* CreateDWordFieldOp */ + Aml *var = aml_opcode(opcode); aml_append(var, srcbuf); aml_append(var, index); build_append_namestring(var->buf, "%s", name); return var; } +/* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefCreateDWordField */ +Aml *aml_create_dword_field(Aml *srcbuf, Aml *index, const char *name) +{ + return create_field_common(0x8A /* CreateDWordFieldOp */, + srcbuf, index, name); +} + +/* ACPI 2.0a: 17.2.4.2 Named Objects Encoding: DefCreateQWordField */ +Aml *aml_create_qword_field(Aml *srcbuf, Aml *index, const char *name) +{ + return create_field_common(0x8F /* CreateQWordFieldOp */, + srcbuf, index, name); +} + /* ACPI 1.0b: 16.2.3 Data Objects Encoding: String */ Aml *aml_string(const char *name_format, ...) { @@ -1170,6 +1275,30 @@ Aml *aml_qword_memory(AmlDecode dec, AmlMinFixed min_fixed, addr_trans, len, flags); } +/* ACPI 1.0b: 6.4.2.2 DMA Format/6.4.2.2.1 ASL Macro for DMA Descriptor */ +Aml *aml_dma(AmlDmaType typ, AmlDmaBusMaster bm, AmlTransferSize sz, + uint8_t channel) +{ + Aml *var = aml_alloc(); + uint8_t flags = sz | bm << 2 | typ << 5; + + assert(channel < 8); + build_append_byte(var->buf, 0x2A); /* Byte 0: DMA Descriptor */ + build_append_byte(var->buf, 1U << channel); /* Byte 1: _DMA - DmaChannel */ + build_append_byte(var->buf, flags); /* Byte 2 */ + return var; +} + +/* ACPI 1.0b: 16.2.5.3 Type 1 Opcodes Encoding: DefSleep */ +Aml *aml_sleep(uint64_t msec) +{ + Aml *var = aml_alloc(); + build_append_byte(var->buf, 0x5B); /* ExtOpPrefix */ + build_append_byte(var->buf, 0x22); /* SleepOp */ + aml_append(var, aml_int(msec)); + return var; +} + static uint8_t Hex2Byte(const char *src) { int hi, lo; @@ -1240,16 +1369,81 @@ Aml *aml_unicode(const char *str) return var; } +/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefDerefOf */ +Aml *aml_derefof(Aml *arg) +{ + Aml *var = aml_opcode(0x83 /* DerefOfOp */); + aml_append(var, arg); + return var; +} + +/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefSizeOf */ +Aml *aml_sizeof(Aml *arg) +{ + Aml *var = aml_opcode(0x87 /* SizeOfOp */); + aml_append(var, arg); + return var; +} + +/* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefMutex */ +Aml *aml_mutex(const char *name, uint8_t sync_level) +{ + Aml *var = aml_alloc(); + build_append_byte(var->buf, 0x5B); /* ExtOpPrefix */ + build_append_byte(var->buf, 0x01); /* MutexOp */ + build_append_namestring(var->buf, "%s", name); + assert(!(sync_level & 0xF0)); + build_append_byte(var->buf, sync_level); + return var; +} + +/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefAcquire */ +Aml *aml_acquire(Aml *mutex, uint16_t timeout) +{ + Aml *var = aml_alloc(); + build_append_byte(var->buf, 0x5B); /* ExtOpPrefix */ + build_append_byte(var->buf, 0x23); /* AcquireOp */ + aml_append(var, mutex); + build_append_int_noprefix(var->buf, timeout, sizeof(timeout)); + return var; +} + +/* ACPI 1.0b: 16.2.5.3 Type 1 Opcodes Encoding: DefRelease */ +Aml *aml_release(Aml *mutex) +{ + Aml *var = aml_alloc(); + build_append_byte(var->buf, 0x5B); /* ExtOpPrefix */ + build_append_byte(var->buf, 0x27); /* ReleaseOp */ + aml_append(var, mutex); + return var; +} + +/* ACPI 1.0b: 16.2.5.1 Name Space Modifier Objects Encoding: DefAlias */ +Aml *aml_alias(const char *source_object, const char *alias_object) +{ + Aml *var = aml_opcode(0x06 /* AliasOp */); + aml_append(var, aml_name("%s", source_object)); + aml_append(var, aml_name("%s", alias_object)); + return var; +} + void build_header(GArray *linker, GArray *table_data, - AcpiTableHeader *h, const char *sig, int len, uint8_t rev) + AcpiTableHeader *h, const char *sig, int len, uint8_t rev, + const char *oem_table_id) { memcpy(&h->signature, sig, 4); h->length = cpu_to_le32(len); h->revision = rev; memcpy(h->oem_id, ACPI_BUILD_APPNAME6, 6); - memcpy(h->oem_table_id, ACPI_BUILD_APPNAME4, 4); - memcpy(h->oem_table_id + 4, sig, 4); + + if (oem_table_id) { + strncpy((char *)h->oem_table_id, oem_table_id, sizeof(h->oem_table_id)); + } else { + memcpy(h->oem_table_id, ACPI_BUILD_APPNAME4, 4); + memcpy(h->oem_table_id + 4, sig, 4); + } + h->oem_revision = cpu_to_le32(1); memcpy(h->asl_compiler_id, ACPI_BUILD_APPNAME4, 4); h->asl_compiler_revision = cpu_to_le32(1); @@ -1316,5 +1510,5 @@ build_rsdt(GArray *table_data, GArray *linker, GArray *table_offsets) sizeof(uint32_t)); } build_header(linker, table_data, - (void *)rsdt, "RSDT", rsdt_len, 1); + (void *)rsdt, "RSDT", rsdt_len, 1, NULL); } diff --git a/hw/acpi/memory_hotplug.c b/hw/acpi/memory_hotplug.c index e4b9a01f80..298e8682af 100644 --- a/hw/acpi/memory_hotplug.c +++ b/hw/acpi/memory_hotplug.c @@ -231,6 +231,11 @@ void acpi_memory_plug_cb(ACPIREGS *ar, qemu_irq irq, MemHotplugState *mem_st, DeviceState *dev, Error **errp) { MemStatus *mdev; + DeviceClass *dc = DEVICE_GET_CLASS(dev); + + if (!dc->hotpluggable) { + return; + } mdev = acpi_memory_slot_status(mem_st, dev, errp); if (!mdev) { diff --git a/hw/acpi/nvdimm.c b/hw/acpi/nvdimm.c new file mode 100644 index 0000000000..9534418824 --- /dev/null +++ b/hw/acpi/nvdimm.c @@ -0,0 +1,488 @@ +/* + * NVDIMM ACPI Implementation + * + * Copyright(C) 2015 Intel Corporation. + * + * Author: + * Xiao Guangrong <guangrong.xiao@linux.intel.com> + * + * NFIT is defined in ACPI 6.0: 5.2.25 NVDIMM Firmware Interface Table (NFIT) + * and the DSM specification can be found at: + * http://pmem.io/documents/NVDIMM_DSM_Interface_Example.pdf + * + * Currently, it only supports PMEM Virtualization. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, see <http://www.gnu.org/licenses/> + */ + +#include "hw/acpi/acpi.h" +#include "hw/acpi/aml-build.h" +#include "hw/mem/nvdimm.h" + +static int nvdimm_plugged_device_list(Object *obj, void *opaque) +{ + GSList **list = opaque; + + if (object_dynamic_cast(obj, TYPE_NVDIMM)) { + DeviceState *dev = DEVICE(obj); + + if (dev->realized) { /* only realized NVDIMMs matter */ + *list = g_slist_append(*list, DEVICE(obj)); + } + } + + object_child_foreach(obj, nvdimm_plugged_device_list, opaque); + return 0; +} + +/* + * inquire plugged NVDIMM devices and link them into the list which is + * returned to the caller. + * + * Note: it is the caller's responsibility to free the list to avoid + * memory leak. + */ +static GSList *nvdimm_get_plugged_device_list(void) +{ + GSList *list = NULL; + + object_child_foreach(qdev_get_machine(), nvdimm_plugged_device_list, + &list); + return list; +} + +#define NVDIMM_UUID_LE(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7) \ + { (a) & 0xff, ((a) >> 8) & 0xff, ((a) >> 16) & 0xff, ((a) >> 24) & 0xff, \ + (b) & 0xff, ((b) >> 8) & 0xff, (c) & 0xff, ((c) >> 8) & 0xff, \ + (d0), (d1), (d2), (d3), (d4), (d5), (d6), (d7) } + +/* + * define Byte Addressable Persistent Memory (PM) Region according to + * ACPI 6.0: 5.2.25.1 System Physical Address Range Structure. + */ +static const uint8_t nvdimm_nfit_spa_uuid[] = + NVDIMM_UUID_LE(0x66f0d379, 0xb4f3, 0x4074, 0xac, 0x43, 0x0d, 0x33, + 0x18, 0xb7, 0x8c, 0xdb); + +/* + * NVDIMM Firmware Interface Table + * @signature: "NFIT" + * + * It provides information that allows OSPM to enumerate NVDIMM present in + * the platform and associate system physical address ranges created by the + * NVDIMMs. + * + * It is defined in ACPI 6.0: 5.2.25 NVDIMM Firmware Interface Table (NFIT) + */ +struct NvdimmNfitHeader { + ACPI_TABLE_HEADER_DEF + uint32_t reserved; +} QEMU_PACKED; +typedef struct NvdimmNfitHeader NvdimmNfitHeader; + +/* + * define NFIT structures according to ACPI 6.0: 5.2.25 NVDIMM Firmware + * Interface Table (NFIT). + */ + +/* + * System Physical Address Range Structure + * + * It describes the system physical address ranges occupied by NVDIMMs and + * the types of the regions. + */ +struct NvdimmNfitSpa { + uint16_t type; + uint16_t length; + uint16_t spa_index; + uint16_t flags; + uint32_t reserved; + uint32_t proximity_domain; + uint8_t type_guid[16]; + uint64_t spa_base; + uint64_t spa_length; + uint64_t mem_attr; +} QEMU_PACKED; +typedef struct NvdimmNfitSpa NvdimmNfitSpa; + +/* + * Memory Device to System Physical Address Range Mapping Structure + * + * It enables identifying each NVDIMM region and the corresponding SPA + * describing the memory interleave + */ +struct NvdimmNfitMemDev { + uint16_t type; + uint16_t length; + uint32_t nfit_handle; + uint16_t phys_id; + uint16_t region_id; + uint16_t spa_index; + uint16_t dcr_index; + uint64_t region_len; + uint64_t region_offset; + uint64_t region_dpa; + uint16_t interleave_index; + uint16_t interleave_ways; + uint16_t flags; + uint16_t reserved; +} QEMU_PACKED; +typedef struct NvdimmNfitMemDev NvdimmNfitMemDev; + +/* + * NVDIMM Control Region Structure + * + * It describes the NVDIMM and if applicable, Block Control Window. + */ +struct NvdimmNfitControlRegion { + uint16_t type; + uint16_t length; + uint16_t dcr_index; + uint16_t vendor_id; + uint16_t device_id; + uint16_t revision_id; + uint16_t sub_vendor_id; + uint16_t sub_device_id; + uint16_t sub_revision_id; + uint8_t reserved[6]; + uint32_t serial_number; + uint16_t fic; + uint16_t num_bcw; + uint64_t bcw_size; + uint64_t cmd_offset; + uint64_t cmd_size; + uint64_t status_offset; + uint64_t status_size; + uint16_t flags; + uint8_t reserved2[6]; +} QEMU_PACKED; +typedef struct NvdimmNfitControlRegion NvdimmNfitControlRegion; + +/* + * Module serial number is a unique number for each device. We use the + * slot id of NVDIMM device to generate this number so that each device + * associates with a different number. + * + * 0x123456 is a magic number we arbitrarily chose. + */ +static uint32_t nvdimm_slot_to_sn(int slot) +{ + return 0x123456 + slot; +} + +/* + * handle is used to uniquely associate nfit_memdev structure with NVDIMM + * ACPI device - nfit_memdev.nfit_handle matches with the value returned + * by ACPI device _ADR method. + * + * We generate the handle with the slot id of NVDIMM device and reserve + * 0 for NVDIMM root device. + */ +static uint32_t nvdimm_slot_to_handle(int slot) +{ + return slot + 1; +} + +/* + * index uniquely identifies the structure, 0 is reserved which indicates + * that the structure is not valid or the associated structure is not + * present. + * + * Each NVDIMM device needs two indexes, one for nfit_spa and another for + * nfit_dc which are generated by the slot id of NVDIMM device. + */ +static uint16_t nvdimm_slot_to_spa_index(int slot) +{ + return (slot + 1) << 1; +} + +/* See the comments of nvdimm_slot_to_spa_index(). */ +static uint32_t nvdimm_slot_to_dcr_index(int slot) +{ + return nvdimm_slot_to_spa_index(slot) + 1; +} + +/* ACPI 6.0: 5.2.25.1 System Physical Address Range Structure */ +static void +nvdimm_build_structure_spa(GArray *structures, DeviceState *dev) +{ + NvdimmNfitSpa *nfit_spa; + uint64_t addr = object_property_get_int(OBJECT(dev), PC_DIMM_ADDR_PROP, + NULL); + uint64_t size = object_property_get_int(OBJECT(dev), PC_DIMM_SIZE_PROP, + NULL); + uint32_t node = object_property_get_int(OBJECT(dev), PC_DIMM_NODE_PROP, + NULL); + int slot = object_property_get_int(OBJECT(dev), PC_DIMM_SLOT_PROP, + NULL); + + nfit_spa = acpi_data_push(structures, sizeof(*nfit_spa)); + + nfit_spa->type = cpu_to_le16(0 /* System Physical Address Range + Structure */); + nfit_spa->length = cpu_to_le16(sizeof(*nfit_spa)); + nfit_spa->spa_index = cpu_to_le16(nvdimm_slot_to_spa_index(slot)); + + /* + * Control region is strict as all the device info, such as SN, index, + * is associated with slot id. + */ + nfit_spa->flags = cpu_to_le16(1 /* Control region is strictly for + management during hot add/online + operation */ | + 2 /* Data in Proximity Domain field is + valid*/); + + /* NUMA node. */ + nfit_spa->proximity_domain = cpu_to_le32(node); + /* the region reported as PMEM. */ + memcpy(nfit_spa->type_guid, nvdimm_nfit_spa_uuid, + sizeof(nvdimm_nfit_spa_uuid)); + + nfit_spa->spa_base = cpu_to_le64(addr); + nfit_spa->spa_length = cpu_to_le64(size); + + /* It is the PMEM and can be cached as writeback. */ + nfit_spa->mem_attr = cpu_to_le64(0x8ULL /* EFI_MEMORY_WB */ | + 0x8000ULL /* EFI_MEMORY_NV */); +} + +/* + * ACPI 6.0: 5.2.25.2 Memory Device to System Physical Address Range Mapping + * Structure + */ +static void +nvdimm_build_structure_memdev(GArray *structures, DeviceState *dev) +{ + NvdimmNfitMemDev *nfit_memdev; + uint64_t addr = object_property_get_int(OBJECT(dev), PC_DIMM_ADDR_PROP, + NULL); + uint64_t size = object_property_get_int(OBJECT(dev), PC_DIMM_SIZE_PROP, + NULL); + int slot = object_property_get_int(OBJECT(dev), PC_DIMM_SLOT_PROP, + NULL); + uint32_t handle = nvdimm_slot_to_handle(slot); + + nfit_memdev = acpi_data_push(structures, sizeof(*nfit_memdev)); + + nfit_memdev->type = cpu_to_le16(1 /* Memory Device to System Address + Range Map Structure*/); + nfit_memdev->length = cpu_to_le16(sizeof(*nfit_memdev)); + nfit_memdev->nfit_handle = cpu_to_le32(handle); + + /* + * associate memory device with System Physical Address Range + * Structure. + */ + nfit_memdev->spa_index = cpu_to_le16(nvdimm_slot_to_spa_index(slot)); + /* associate memory device with Control Region Structure. */ + nfit_memdev->dcr_index = cpu_to_le16(nvdimm_slot_to_dcr_index(slot)); + + /* The memory region on the device. */ + nfit_memdev->region_len = cpu_to_le64(size); + nfit_memdev->region_dpa = cpu_to_le64(addr); + + /* Only one interleave for PMEM. */ + nfit_memdev->interleave_ways = cpu_to_le16(1); +} + +/* + * ACPI 6.0: 5.2.25.5 NVDIMM Control Region Structure. + */ +static void nvdimm_build_structure_dcr(GArray *structures, DeviceState *dev) +{ + NvdimmNfitControlRegion *nfit_dcr; + int slot = object_property_get_int(OBJECT(dev), PC_DIMM_SLOT_PROP, + NULL); + uint32_t sn = nvdimm_slot_to_sn(slot); + + nfit_dcr = acpi_data_push(structures, sizeof(*nfit_dcr)); + + nfit_dcr->type = cpu_to_le16(4 /* NVDIMM Control Region Structure */); + nfit_dcr->length = cpu_to_le16(sizeof(*nfit_dcr)); + nfit_dcr->dcr_index = cpu_to_le16(nvdimm_slot_to_dcr_index(slot)); + + /* vendor: Intel. */ + nfit_dcr->vendor_id = cpu_to_le16(0x8086); + nfit_dcr->device_id = cpu_to_le16(1); + + /* The _DSM method is following Intel's DSM specification. */ + nfit_dcr->revision_id = cpu_to_le16(1 /* Current Revision supported + in ACPI 6.0 is 1. */); + nfit_dcr->serial_number = cpu_to_le32(sn); + nfit_dcr->fic = cpu_to_le16(0x201 /* Format Interface Code. See Chapter + 2: NVDIMM Device Specific Method + (DSM) in DSM Spec Rev1.*/); +} + +static GArray *nvdimm_build_device_structure(GSList *device_list) +{ + GArray *structures = g_array_new(false, true /* clear */, 1); + + for (; device_list; device_list = device_list->next) { + DeviceState *dev = device_list->data; + + /* build System Physical Address Range Structure. */ + nvdimm_build_structure_spa(structures, dev); + + /* + * build Memory Device to System Physical Address Range Mapping + * Structure. + */ + nvdimm_build_structure_memdev(structures, dev); + + /* build NVDIMM Control Region Structure. */ + nvdimm_build_structure_dcr(structures, dev); + } + + return structures; +} + +static void nvdimm_build_nfit(GSList *device_list, GArray *table_offsets, + GArray *table_data, GArray *linker) +{ + GArray *structures = nvdimm_build_device_structure(device_list); + void *header; + + acpi_add_table(table_offsets, table_data); + + /* NFIT header. */ + header = acpi_data_push(table_data, sizeof(NvdimmNfitHeader)); + /* NVDIMM device structures. */ + g_array_append_vals(table_data, structures->data, structures->len); + + build_header(linker, table_data, header, "NFIT", + sizeof(NvdimmNfitHeader) + structures->len, 1, NULL); + g_array_free(structures, true); +} + +#define NVDIMM_COMMON_DSM "NCAL" + +static void nvdimm_build_common_dsm(Aml *dev) +{ + Aml *method, *ifctx, *function; + uint8_t byte_list[1]; + + method = aml_method(NVDIMM_COMMON_DSM, 4, AML_NOTSERIALIZED); + function = aml_arg(2); + + /* + * function 0 is called to inquire what functions are supported by + * OSPM + */ + ifctx = aml_if(aml_equal(function, aml_int(0))); + byte_list[0] = 0 /* No function Supported */; + aml_append(ifctx, aml_return(aml_buffer(1, byte_list))); + aml_append(method, ifctx); + + /* No function is supported yet. */ + byte_list[0] = 1 /* Not Supported */; + aml_append(method, aml_return(aml_buffer(1, byte_list))); + + aml_append(dev, method); +} + +static void nvdimm_build_device_dsm(Aml *dev) +{ + Aml *method; + + method = aml_method("_DSM", 4, AML_NOTSERIALIZED); + aml_append(method, aml_return(aml_call4(NVDIMM_COMMON_DSM, aml_arg(0), + aml_arg(1), aml_arg(2), aml_arg(3)))); + aml_append(dev, method); +} + +static void nvdimm_build_nvdimm_devices(GSList *device_list, Aml *root_dev) +{ + for (; device_list; device_list = device_list->next) { + DeviceState *dev = device_list->data; + int slot = object_property_get_int(OBJECT(dev), PC_DIMM_SLOT_PROP, + NULL); + uint32_t handle = nvdimm_slot_to_handle(slot); + Aml *nvdimm_dev; + + nvdimm_dev = aml_device("NV%02X", slot); + + /* + * ACPI 6.0: 9.20 NVDIMM Devices: + * + * _ADR object that is used to supply OSPM with unique address + * of the NVDIMM device. This is done by returning the NFIT Device + * handle that is used to identify the associated entries in ACPI + * table NFIT or _FIT. + */ + aml_append(nvdimm_dev, aml_name_decl("_ADR", aml_int(handle))); + + nvdimm_build_device_dsm(nvdimm_dev); + aml_append(root_dev, nvdimm_dev); + } +} + +static void nvdimm_build_ssdt(GSList *device_list, GArray *table_offsets, + GArray *table_data, GArray *linker) +{ + Aml *ssdt, *sb_scope, *dev; + + acpi_add_table(table_offsets, table_data); + + ssdt = init_aml_allocator(); + acpi_data_push(ssdt->buf, sizeof(AcpiTableHeader)); + + sb_scope = aml_scope("\\_SB"); + + dev = aml_device("NVDR"); + + /* + * ACPI 6.0: 9.20 NVDIMM Devices: + * + * The ACPI Name Space device uses _HID of ACPI0012 to identify the root + * NVDIMM interface device. Platform firmware is required to contain one + * such device in _SB scope if NVDIMMs support is exposed by platform to + * OSPM. + * For each NVDIMM present or intended to be supported by platform, + * platform firmware also exposes an ACPI Namespace Device under the + * root device. + */ + aml_append(dev, aml_name_decl("_HID", aml_string("ACPI0012"))); + + nvdimm_build_common_dsm(dev); + nvdimm_build_device_dsm(dev); + + nvdimm_build_nvdimm_devices(device_list, dev); + + aml_append(sb_scope, dev); + + aml_append(ssdt, sb_scope); + /* copy AML table into ACPI tables blob and patch header there */ + g_array_append_vals(table_data, ssdt->buf->data, ssdt->buf->len); + build_header(linker, table_data, + (void *)(table_data->data + table_data->len - ssdt->buf->len), + "SSDT", ssdt->buf->len, 1, "NVDIMM"); + free_aml_allocator(); +} + +void nvdimm_build_acpi(GArray *table_offsets, GArray *table_data, + GArray *linker) +{ + GSList *device_list; + + /* no NVDIMM device is plugged. */ + device_list = nvdimm_get_plugged_device_list(); + if (!device_list) { + return; + } + nvdimm_build_nfit(device_list, table_offsets, table_data, linker); + nvdimm_build_ssdt(device_list, table_offsets, table_data, linker); + g_slist_free(device_list); +} diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c index 32ec19e884..0caf5ced69 100644 --- a/hw/arm/virt-acpi-build.c +++ b/hw/arm/virt-acpi-build.c @@ -274,16 +274,16 @@ static void acpi_dsdt_add_pci(Aml *scope, const MemMapEntry *memmap, aml_create_dword_field(aml_arg(3), aml_int(8), "CDW3")); aml_append(ifctx, aml_store(aml_name("CDW2"), aml_name("SUPP"))); aml_append(ifctx, aml_store(aml_name("CDW3"), aml_name("CTRL"))); - aml_append(ifctx, aml_store(aml_and(aml_name("CTRL"), aml_int(0x1D)), + aml_append(ifctx, aml_store(aml_and(aml_name("CTRL"), aml_int(0x1D), NULL), aml_name("CTRL"))); ifctx1 = aml_if(aml_lnot(aml_equal(aml_arg(1), aml_int(0x1)))); - aml_append(ifctx1, aml_store(aml_or(aml_name("CDW1"), aml_int(0x08)), + aml_append(ifctx1, aml_store(aml_or(aml_name("CDW1"), aml_int(0x08), NULL), aml_name("CDW1"))); aml_append(ifctx, ifctx1); ifctx1 = aml_if(aml_lnot(aml_equal(aml_name("CDW3"), aml_name("CTRL")))); - aml_append(ifctx1, aml_store(aml_or(aml_name("CDW1"), aml_int(0x10)), + aml_append(ifctx1, aml_store(aml_or(aml_name("CDW1"), aml_int(0x10), NULL), aml_name("CDW1"))); aml_append(ifctx, ifctx1); @@ -292,7 +292,7 @@ static void acpi_dsdt_add_pci(Aml *scope, const MemMapEntry *memmap, aml_append(method, ifctx); elsectx = aml_else(); - aml_append(elsectx, aml_store(aml_or(aml_name("CDW1"), aml_int(4)), + aml_append(elsectx, aml_store(aml_or(aml_name("CDW1"), aml_int(4), NULL), aml_name("CDW1"))); aml_append(elsectx, aml_return(aml_arg(3))); aml_append(method, elsectx); @@ -423,7 +423,8 @@ build_spcr(GArray *table_data, GArray *linker, VirtGuestInfo *guest_info) spcr->pci_device_id = 0xffff; /* PCI Device ID: not a PCI device */ spcr->pci_vendor_id = 0xffff; /* PCI Vendor ID: not a PCI device */ - build_header(linker, table_data, (void *)spcr, "SPCR", sizeof(*spcr), 2); + build_header(linker, table_data, (void *)spcr, "SPCR", sizeof(*spcr), 2, + NULL); } static void @@ -442,7 +443,7 @@ build_mcfg(GArray *table_data, GArray *linker, VirtGuestInfo *guest_info) mcfg->allocation[0].end_bus_number = (memmap[VIRT_PCIE_ECAM].size / PCIE_MMCFG_SIZE_MIN) - 1; - build_header(linker, table_data, (void *)mcfg, "MCFG", len, 1); + build_header(linker, table_data, (void *)mcfg, "MCFG", len, 1, NULL); } /* GTDT */ @@ -468,7 +469,7 @@ build_gtdt(GArray *table_data, GArray *linker) build_header(linker, table_data, (void *)(table_data->data + gtdt_start), "GTDT", - table_data->len - gtdt_start, 2); + table_data->len - gtdt_start, 2, NULL); } /* MADT */ @@ -530,7 +531,7 @@ build_madt(GArray *table_data, GArray *linker, VirtGuestInfo *guest_info, build_header(linker, table_data, (void *)(table_data->data + madt_start), "APIC", - table_data->len - madt_start, 3); + table_data->len - madt_start, 3, NULL); } /* FADT */ @@ -555,7 +556,7 @@ build_fadt(GArray *table_data, GArray *linker, unsigned dsdt) sizeof fadt->dsdt); build_header(linker, table_data, - (void *)fadt, "FACP", sizeof(*fadt), 5); + (void *)fadt, "FACP", sizeof(*fadt), 5, NULL); } /* DSDT */ @@ -591,7 +592,7 @@ build_dsdt(GArray *table_data, GArray *linker, VirtGuestInfo *guest_info) g_array_append_vals(table_data, dsdt->buf->data, dsdt->buf->len); build_header(linker, table_data, (void *)(table_data->data + table_data->len - dsdt->buf->len), - "DSDT", dsdt->buf->len, 2); + "DSDT", dsdt->buf->len, 2, NULL); free_aml_allocator(); } diff --git a/hw/core/loader.c b/hw/core/loader.c index eb67f05ee2..6b69852479 100644 --- a/hw/core/loader.c +++ b/hw/core/loader.c @@ -51,12 +51,10 @@ #include "hw/nvram/fw_cfg.h" #include "exec/memory.h" #include "exec/address-spaces.h" +#include "hw/boards.h" #include <zlib.h> -bool option_rom_has_mr = false; -bool rom_file_has_mr = true; - static int roms_loaded; /* return the size or -1 if error */ @@ -754,6 +752,7 @@ int rom_add_file(const char *file, const char *fw_dir, hwaddr addr, int32_t bootindex, bool option_rom) { + MachineClass *mc = MACHINE_GET_CLASS(qdev_get_machine()); Rom *rom; int rc, fd = -1; char devpath[100]; @@ -810,7 +809,7 @@ int rom_add_file(const char *file, const char *fw_dir, basename); snprintf(devpath, sizeof(devpath), "/rom@%s", fw_file_name); - if ((!option_rom || option_rom_has_mr) && rom_file_has_mr) { + if ((!option_rom || mc->option_rom_has_mr) && mc->rom_file_has_mr) { data = rom_set_mr(rom, OBJECT(fw_cfg), devpath); } else { data = rom->data; @@ -838,6 +837,7 @@ MemoryRegion *rom_add_blob(const char *name, const void *blob, size_t len, size_t max_len, hwaddr addr, const char *fw_file_name, FWCfgReadCallback fw_callback, void *callback_opaque) { + MachineClass *mc = MACHINE_GET_CLASS(qdev_get_machine()); Rom *rom; MemoryRegion *mr = NULL; @@ -855,7 +855,7 @@ MemoryRegion *rom_add_blob(const char *name, const void *blob, size_t len, snprintf(devpath, sizeof(devpath), "/rom@%s", fw_file_name); - if (rom_file_has_mr) { + if (mc->rom_file_has_mr) { data = rom_set_mr(rom, OBJECT(fw_cfg), devpath); mr = rom->mr; } else { diff --git a/hw/core/machine.c b/hw/core/machine.c index 82be54e751..c46ddc7d15 100644 --- a/hw/core/machine.c +++ b/hw/core/machine.c @@ -342,6 +342,7 @@ static void machine_class_init(ObjectClass *oc, void *data) /* Default 128 MB as guest ram size */ mc->default_ram_size = 128 * M_BYTE; + mc->rom_file_has_mr = true; } static void machine_class_base_init(ObjectClass *oc, void *data) diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c index fa866f6378..4cc1440f77 100644 --- a/hw/i386/acpi-build.c +++ b/hw/i386/acpi-build.c @@ -39,6 +39,7 @@ #include "hw/loader.h" #include "hw/isa/isa.h" #include "hw/acpi/memory_hotplug.h" +#include "hw/mem/nvdimm.h" #include "sysemu/tpm.h" #include "hw/acpi/tpm.h" #include "sysemu/tpm_backend.h" @@ -361,7 +362,7 @@ build_fadt(GArray *table_data, GArray *linker, AcpiPmInfo *pm, fadt_setup(fadt, pm); build_header(linker, table_data, - (void *)fadt, "FACP", sizeof(*fadt), 1); + (void *)fadt, "FACP", sizeof(*fadt), 1, NULL); } static void @@ -431,7 +432,7 @@ build_madt(GArray *table_data, GArray *linker, AcpiCpuInfo *cpu, build_header(linker, table_data, (void *)(table_data->data + madt_start), "APIC", - table_data->len - madt_start, 1); + table_data->len - madt_start, 1, NULL); } /* Assign BSEL property to all buses. In the future, this can be changed @@ -469,7 +470,7 @@ static void build_append_pcihp_notify_entry(Aml *method, int slot) Aml *if_ctx; int32_t devfn = PCI_DEVFN(slot, 0); - if_ctx = aml_if(aml_and(aml_arg(0), aml_int(0x1U << slot))); + if_ctx = aml_if(aml_and(aml_arg(0), aml_int(0x1U << slot), NULL)); aml_append(if_ctx, aml_notify(aml_name("S%.02X", devfn), aml_arg(1))); aml_append(method, if_ctx); } @@ -666,10 +667,11 @@ static Aml *build_prt(void) /* slot = pin >> 2 */ aml_append(while_ctx, - aml_store(aml_shiftright(pin, aml_int(2)), slot)); + aml_store(aml_shiftright(pin, aml_int(2), NULL), slot)); /* lnk_idx = (slot + pin) & 3 */ aml_append(while_ctx, - aml_store(aml_and(aml_add(pin, slot), aml_int(3)), lnk_idx)); + aml_store(aml_and(aml_add(pin, slot, NULL), aml_int(3), NULL), + lnk_idx)); /* route[2] = "LNK[D|A|B|C]", selection based on pin % 3 */ aml_append(while_ctx, initialize_route(route, "LNKD", lnk_idx, 0)); @@ -679,11 +681,13 @@ static Aml *build_prt(void) /* route[0] = 0x[slot]FFFF */ aml_append(while_ctx, - aml_store(aml_or(aml_shiftleft(slot, aml_int(16)), aml_int(0xFFFF)), + aml_store(aml_or(aml_shiftleft(slot, aml_int(16)), aml_int(0xFFFF), + NULL), aml_index(route, aml_int(0)))); /* route[1] = pin & 3 */ aml_append(while_ctx, - aml_store(aml_and(pin, aml_int(3)), aml_index(route, aml_int(1)))); + aml_store(aml_and(pin, aml_int(3), NULL), + aml_index(route, aml_int(1)))); /* res[pin] = route */ aml_append(while_ctx, aml_store(route, aml_index(res, pin))); /* pin++ */ @@ -762,16 +766,59 @@ static void crs_replace_with_free_ranges(GPtrArray *ranges, g_ptr_array_free(free_ranges, false); } +/* + * crs_range_merge - merges adjacent ranges in the given array. + * Array elements are deleted and replaced with the merged ranges. + */ +static void crs_range_merge(GPtrArray *range) +{ + GPtrArray *tmp = g_ptr_array_new_with_free_func(crs_range_free); + CrsRangeEntry *entry; + uint64_t range_base, range_limit; + int i; + + if (!range->len) { + return; + } + + g_ptr_array_sort(range, crs_range_compare); + + entry = g_ptr_array_index(range, 0); + range_base = entry->base; + range_limit = entry->limit; + for (i = 1; i < range->len; i++) { + entry = g_ptr_array_index(range, i); + if (entry->base - 1 == range_limit) { + range_limit = entry->limit; + } else { + crs_range_insert(tmp, range_base, range_limit); + range_base = entry->base; + range_limit = entry->limit; + } + } + crs_range_insert(tmp, range_base, range_limit); + + g_ptr_array_set_size(range, 0); + for (i = 0; i < tmp->len; i++) { + entry = g_ptr_array_index(tmp, i); + crs_range_insert(range, entry->base, entry->limit); + } + g_ptr_array_free(tmp, true); +} + static Aml *build_crs(PCIHostState *host, GPtrArray *io_ranges, GPtrArray *mem_ranges) { Aml *crs = aml_resource_template(); + GPtrArray *host_io_ranges = g_ptr_array_new_with_free_func(crs_range_free); + GPtrArray *host_mem_ranges = g_ptr_array_new_with_free_func(crs_range_free); + CrsRangeEntry *entry; uint8_t max_bus = pci_bus_num(host->bus); uint8_t type; int devfn; + int i; for (devfn = 0; devfn < ARRAY_SIZE(host->bus->devices); devfn++) { - int i; uint64_t range_base, range_limit; PCIDevice *dev = host->bus->devices[devfn]; @@ -794,26 +841,9 @@ static Aml *build_crs(PCIHostState *host, } if (r->type & PCI_BASE_ADDRESS_SPACE_IO) { - aml_append(crs, - aml_word_io(AML_MIN_FIXED, AML_MAX_FIXED, - AML_POS_DECODE, AML_ENTIRE_RANGE, - 0, - range_base, - range_limit, - 0, - range_limit - range_base + 1)); - crs_range_insert(io_ranges, range_base, range_limit); + crs_range_insert(host_io_ranges, range_base, range_limit); } else { /* "memory" */ - aml_append(crs, - aml_dword_memory(AML_POS_DECODE, AML_MIN_FIXED, - AML_MAX_FIXED, AML_NON_CACHEABLE, - AML_READ_WRITE, - 0, - range_base, - range_limit, - 0, - range_limit - range_base + 1)); - crs_range_insert(mem_ranges, range_base, range_limit); + crs_range_insert(host_mem_ranges, range_base, range_limit); } } @@ -832,15 +862,7 @@ static Aml *build_crs(PCIHostState *host, * that do not support multiple root buses */ if (range_base && range_base <= range_limit) { - aml_append(crs, - aml_word_io(AML_MIN_FIXED, AML_MAX_FIXED, - AML_POS_DECODE, AML_ENTIRE_RANGE, - 0, - range_base, - range_limit, - 0, - range_limit - range_base + 1)); - crs_range_insert(io_ranges, range_base, range_limit); + crs_range_insert(host_io_ranges, range_base, range_limit); } range_base = @@ -853,16 +875,7 @@ static Aml *build_crs(PCIHostState *host, * that do not support multiple root buses */ if (range_base && range_base <= range_limit) { - aml_append(crs, - aml_dword_memory(AML_POS_DECODE, AML_MIN_FIXED, - AML_MAX_FIXED, AML_NON_CACHEABLE, - AML_READ_WRITE, - 0, - range_base, - range_limit, - 0, - range_limit - range_base + 1)); - crs_range_insert(mem_ranges, range_base, range_limit); + crs_range_insert(host_mem_ranges, range_base, range_limit); } range_base = @@ -875,20 +888,36 @@ static Aml *build_crs(PCIHostState *host, * that do not support multiple root buses */ if (range_base && range_base <= range_limit) { - aml_append(crs, - aml_dword_memory(AML_POS_DECODE, AML_MIN_FIXED, - AML_MAX_FIXED, AML_NON_CACHEABLE, - AML_READ_WRITE, - 0, - range_base, - range_limit, - 0, - range_limit - range_base + 1)); - crs_range_insert(mem_ranges, range_base, range_limit); + crs_range_insert(host_mem_ranges, range_base, range_limit); } } } + crs_range_merge(host_io_ranges); + for (i = 0; i < host_io_ranges->len; i++) { + entry = g_ptr_array_index(host_io_ranges, i); + aml_append(crs, + aml_word_io(AML_MIN_FIXED, AML_MAX_FIXED, + AML_POS_DECODE, AML_ENTIRE_RANGE, + 0, entry->base, entry->limit, 0, + entry->limit - entry->base + 1)); + crs_range_insert(io_ranges, entry->base, entry->limit); + } + g_ptr_array_free(host_io_ranges, true); + + crs_range_merge(host_mem_ranges); + for (i = 0; i < host_mem_ranges->len; i++) { + entry = g_ptr_array_index(host_mem_ranges, i); + aml_append(crs, + aml_dword_memory(AML_POS_DECODE, AML_MIN_FIXED, + AML_MAX_FIXED, AML_NON_CACHEABLE, + AML_READ_WRITE, + 0, entry->base, entry->limit, 0, + entry->limit - entry->base + 1)); + crs_range_insert(mem_ranges, entry->base, entry->limit); + } + g_ptr_array_free(host_mem_ranges, true); + aml_append(crs, aml_word_bus_number(AML_MIN_FIXED, AML_MAX_FIXED, AML_POS_DECODE, 0, @@ -925,8 +954,7 @@ build_ssdt(GArray *table_data, GArray *linker, /* Reserve space for header */ acpi_data_push(ssdt->buf, sizeof(AcpiTableHeader)); - /* Extra PCI root buses are implemented only for i440fx */ - bus = find_i440fx(); + bus = PC_MACHINE(machine)->bus; if (bus) { QLIST_FOREACH(bus, &bus->child, sibling) { uint8_t bus_num = pci_bus_num(bus); @@ -1105,7 +1133,7 @@ build_ssdt(GArray *table_data, GArray *linker, aml_append(dev, aml_operation_region("PEOR", AML_SYSTEM_IO, misc->pvpanic_port, 1)); - field = aml_field("PEOR", AML_BYTE_ACC, AML_PRESERVE); + field = aml_field("PEOR", AML_BYTE_ACC, AML_NOLOCK, AML_PRESERVE); aml_append(field, aml_named_field("PEPT", 8)); aml_append(dev, field); @@ -1145,7 +1173,7 @@ build_ssdt(GArray *table_data, GArray *linker, /* declare CPU hotplug MMIO region and PRS field to access it */ aml_append(sb_scope, aml_operation_region( "PRST", AML_SYSTEM_IO, pm->cpu_hp_io_base, pm->cpu_hp_io_len)); - field = aml_field("PRST", AML_BYTE_ACC, AML_PRESERVE); + field = aml_field("PRST", AML_BYTE_ACC, AML_NOLOCK, AML_PRESERVE); aml_append(field, aml_named_field("PRS", 256)); aml_append(sb_scope, field); @@ -1220,7 +1248,7 @@ build_ssdt(GArray *table_data, GArray *linker, ); field = aml_field(stringify(MEMORY_HOTPLUG_IO_REGION), AML_DWORD_ACC, - AML_PRESERVE); + AML_NOLOCK, AML_PRESERVE); aml_append(field, /* read only */ aml_named_field(stringify(MEMORY_SLOT_ADDR_LOW), 32)); aml_append(field, /* read only */ @@ -1234,7 +1262,7 @@ build_ssdt(GArray *table_data, GArray *linker, aml_append(scope, field); field = aml_field(stringify(MEMORY_HOTPLUG_IO_REGION), AML_BYTE_ACC, - AML_WRITE_AS_ZEROS); + AML_NOLOCK, AML_WRITE_AS_ZEROS); aml_append(field, aml_reserved_field(160 /* bits, Offset(20) */)); aml_append(field, /* 1 if enabled, read only */ aml_named_field(stringify(MEMORY_SLOT_ENABLED), 1)); @@ -1250,7 +1278,7 @@ build_ssdt(GArray *table_data, GArray *linker, aml_append(scope, field); field = aml_field(stringify(MEMORY_HOTPLUG_IO_REGION), AML_DWORD_ACC, - AML_PRESERVE); + AML_NOLOCK, AML_PRESERVE); aml_append(field, /* DIMM selector, write only */ aml_named_field(stringify(MEMORY_SLOT_SLECTOR), 32)); aml_append(field, /* _OST event code, write only */ @@ -1350,7 +1378,7 @@ build_ssdt(GArray *table_data, GArray *linker, g_array_append_vals(table_data, ssdt->buf->data, ssdt->buf->len); build_header(linker, table_data, (void *)(table_data->data + table_data->len - ssdt->buf->len), - "SSDT", ssdt->buf->len, 1); + "SSDT", ssdt->buf->len, 1, NULL); free_aml_allocator(); } @@ -1366,7 +1394,7 @@ build_hpet(GArray *table_data, GArray *linker) hpet->timer_block_id = cpu_to_le32(0x8086a201); hpet->addr.address = cpu_to_le64(HPET_BASE); build_header(linker, table_data, - (void *)hpet, "HPET", sizeof(*hpet), 1); + (void *)hpet, "HPET", sizeof(*hpet), 1, NULL); } static void @@ -1389,7 +1417,7 @@ build_tpm_tcpa(GArray *table_data, GArray *linker, GArray *tcpalog) sizeof(tcpa->log_area_start_address)); build_header(linker, table_data, - (void *)tcpa, "TCPA", sizeof(*tcpa), 2); + (void *)tcpa, "TCPA", sizeof(*tcpa), 2, NULL); acpi_data_push(tcpalog, TPM_LOG_AREA_MINIMUM_SIZE); } @@ -1406,7 +1434,7 @@ build_tpm2(GArray *table_data, GArray *linker) tpm2_ptr->start_method = cpu_to_le32(TPM2_START_METHOD_MMIO); build_header(linker, table_data, - (void *)tpm2_ptr, "TPM2", sizeof(*tpm2_ptr), 4); + (void *)tpm2_ptr, "TPM2", sizeof(*tpm2_ptr), 4, NULL); } typedef enum { @@ -1520,7 +1548,7 @@ build_srat(GArray *table_data, GArray *linker, PcGuestInfo *guest_info) build_header(linker, table_data, (void *)(table_data->data + srat_start), "SRAT", - table_data->len - srat_start, 1); + table_data->len - srat_start, 1, NULL); } static void @@ -1549,7 +1577,7 @@ build_mcfg_q35(GArray *table_data, GArray *linker, AcpiMcfgInfo *info) } else { sig = "MCFG"; } - build_header(linker, table_data, (void *)mcfg, sig, len, 1); + build_header(linker, table_data, (void *)mcfg, sig, len, 1, NULL); } static void @@ -1573,7 +1601,7 @@ build_dmar_q35(GArray *table_data, GArray *linker) drhd->address = cpu_to_le64(Q35_HOST_BRIDGE_IOMMU_ADDR); build_header(linker, table_data, (void *)(table_data->data + dmar_start), - "DMAR", table_data->len - dmar_start, 1); + "DMAR", table_data->len - dmar_start, 1, NULL); } static void @@ -1588,7 +1616,7 @@ build_dsdt(GArray *table_data, GArray *linker, AcpiMiscInfo *misc) memset(dsdt, 0, sizeof *dsdt); build_header(linker, table_data, dsdt, "DSDT", - misc->dsdt_size, 1); + misc->dsdt_size, 1, NULL); } static GArray * @@ -1659,6 +1687,13 @@ static bool acpi_has_iommu(void) return intel_iommu && !ambiguous; } +static bool acpi_has_nvdimm(void) +{ + PCMachineState *pcms = PC_MACHINE(qdev_get_machine()); + + return pcms->nvdimm; +} + static void acpi_build(PcGuestInfo *guest_info, AcpiBuildTables *tables) { @@ -1743,6 +1778,10 @@ void acpi_build(PcGuestInfo *guest_info, AcpiBuildTables *tables) build_dmar_q35(tables_blob, tables->linker); } + if (acpi_has_nvdimm()) { + nvdimm_build_acpi(table_offsets, tables_blob, tables->linker); + } + /* Add tables supplied by user (if any) */ for (u = acpi_table_first(); u; u = acpi_table_next(u)) { unsigned len = acpi_table_len(u); diff --git a/hw/i386/pc.c b/hw/i386/pc.c index 426424a721..459260b4af 100644 --- a/hw/i386/pc.c +++ b/hw/i386/pc.c @@ -77,15 +77,6 @@ #define DPRINTF(fmt, ...) #endif -/* Leave a chunk of memory at the top of RAM for the BIOS ACPI tables - * (128K) and other BIOS datastructures (less than 4K reported to be used at - * the moment, 32K should be enough for a while). */ -static unsigned acpi_data_size = 0x20000 + 0x8000; -void pc_set_legacy_acpi_data_size(void) -{ - acpi_data_size = 0x10000; -} - #define BIOS_CFG_IOPORT 0x510 #define FW_CFG_ACPI_TABLES (FW_CFG_ARCH_LOCAL + 0) #define FW_CFG_SMBIOS_ENTRIES (FW_CFG_ARCH_LOCAL + 1) @@ -841,6 +832,7 @@ static void load_linux(PCMachineState *pcms, FILE *f; char *vmode; MachineState *machine = MACHINE(pcms); + PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms); const char *kernel_filename = machine->kernel_filename; const char *initrd_filename = machine->initrd_filename; const char *kernel_cmdline = machine->kernel_cmdline; @@ -908,8 +900,8 @@ static void load_linux(PCMachineState *pcms, initrd_max = 0x37ffffff; } - if (initrd_max >= pcms->below_4g_mem_size - acpi_data_size) { - initrd_max = pcms->below_4g_mem_size - acpi_data_size - 1; + if (initrd_max >= pcms->below_4g_mem_size - pcmc->acpi_data_size) { + initrd_max = pcms->below_4g_mem_size - pcmc->acpi_data_size - 1; } fw_cfg_add_i32(fw_cfg, FW_CFG_CMDLINE_ADDR, cmdline_addr); @@ -1175,7 +1167,7 @@ void pc_guest_info_machine_done(Notifier *notifier, void *data) PcGuestInfoState *guest_info_state = container_of(notifier, PcGuestInfoState, machine_done); - PCIBus *bus = find_i440fx(); + PCIBus *bus = PC_MACHINE(qdev_get_machine())->bus; if (bus) { int extra_hosts = 0; @@ -1303,6 +1295,7 @@ FWCfgState *pc_memory_init(PCMachineState *pcms, MemoryRegion *ram_below_4g, *ram_above_4g; FWCfgState *fw_cfg; MachineState *machine = MACHINE(pcms); + PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms); assert(machine->ram_size == pcms->below_4g_mem_size + pcms->above_4g_mem_size); @@ -1364,7 +1357,7 @@ FWCfgState *pc_memory_init(PCMachineState *pcms, pcms->hotplug_memory.base = ROUND_UP(0x100000000ULL + pcms->above_4g_mem_size, 1ULL << 30); - if (pcms->enforce_aligned_dimm) { + if (pcmc->enforce_aligned_dimm) { /* size hotplug region assuming 1G page max alignment per slot */ hotplug_mem_size += (1ULL << 30) * machine->ram_slots; } @@ -1617,12 +1610,13 @@ static void pc_dimm_plug(HotplugHandler *hotplug_dev, HotplugHandlerClass *hhc; Error *local_err = NULL; PCMachineState *pcms = PC_MACHINE(hotplug_dev); + PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms); PCDIMMDevice *dimm = PC_DIMM(dev); PCDIMMDeviceClass *ddc = PC_DIMM_GET_CLASS(dimm); MemoryRegion *mr = ddc->get_memory_region(dimm); uint64_t align = TARGET_PAGE_SIZE; - if (memory_region_get_alignment(mr) && pcms->enforce_aligned_dimm) { + if (memory_region_get_alignment(mr) && pcmc->enforce_aligned_dimm) { align = memory_region_get_alignment(mr); } @@ -1871,11 +1865,18 @@ static void pc_machine_set_smm(Object *obj, Visitor *v, void *opaque, visit_type_OnOffAuto(v, &pcms->smm, name, errp); } -static bool pc_machine_get_aligned_dimm(Object *obj, Error **errp) +static bool pc_machine_get_nvdimm(Object *obj, Error **errp) +{ + PCMachineState *pcms = PC_MACHINE(obj); + + return pcms->nvdimm; +} + +static void pc_machine_set_nvdimm(Object *obj, bool value, Error **errp) { PCMachineState *pcms = PC_MACHINE(obj); - return pcms->enforce_aligned_dimm; + pcms->nvdimm = value; } static void pc_machine_initfn(Object *obj) @@ -1913,10 +1914,10 @@ static void pc_machine_initfn(Object *obj) "Enable vmport (pc & q35)", &error_abort); - pcms->enforce_aligned_dimm = true; - object_property_add_bool(obj, PC_MACHINE_ENFORCE_ALIGNED_DIMM, - pc_machine_get_aligned_dimm, - NULL, &error_abort); + /* nvdimm is disabled on default. */ + pcms->nvdimm = false; + object_property_add_bool(obj, PC_MACHINE_NVDIMM, pc_machine_get_nvdimm, + pc_machine_set_nvdimm, &error_abort); } static void pc_machine_reset(void) @@ -1953,6 +1954,18 @@ static void pc_machine_class_init(ObjectClass *oc, void *data) HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(oc); pcmc->get_hotplug_handler = mc->get_hotplug_handler; + pcmc->pci_enabled = true; + pcmc->has_acpi_build = true; + pcmc->rsdp_in_ram = true; + pcmc->smbios_defaults = true; + pcmc->smbios_uuid_encoded = true; + pcmc->gigabyte_align = true; + pcmc->has_reserved_memory = true; + pcmc->kvmclock_enabled = true; + pcmc->enforce_aligned_dimm = true; + /* BIOS ACPI tables: 128K. Other BIOS datastructures: less than 4K reported + * to be used at the moment, 32K should be enough for a while. */ + pcmc->acpi_data_size = 0x20000 + 0x8000; mc->get_hotplug_handler = pc_get_hotpug_handler; mc->cpu_index_to_socket_id = pc_cpu_index_to_socket_id; mc->default_boot_order = "cad"; diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c index 319497e966..438cdae99e 100644 --- a/hw/i386/pc_piix.c +++ b/hw/i386/pc_piix.c @@ -61,26 +61,12 @@ static const int ide_iobase[MAX_IDE_BUS] = { 0x1f0, 0x170 }; static const int ide_iobase2[MAX_IDE_BUS] = { 0x3f6, 0x376 }; static const int ide_irq[MAX_IDE_BUS] = { 14, 15 }; -static bool pci_enabled = true; -static bool has_acpi_build = true; -static bool rsdp_in_ram = true; -static int legacy_acpi_table_size; -static bool smbios_defaults = true; -static bool smbios_legacy_mode; -static bool smbios_uuid_encoded = true; -/* Make sure that guest addresses aligned at 1Gbyte boundaries get mapped to - * host addresses aligned at 1Gbyte boundaries. This way we can use 1GByte - * pages in the host. - */ -static bool gigabyte_align = true; -static bool has_reserved_memory = true; -static bool kvmclock_enabled = true; - /* PC hardware initialisation */ static void pc_init1(MachineState *machine, const char *host_type, const char *pci_type) { PCMachineState *pcms = PC_MACHINE(machine); + PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms); MemoryRegion *system_memory = get_system_memory(); MemoryRegion *system_io = get_system_io(); int i; @@ -109,7 +95,7 @@ static void pc_init1(MachineState *machine, * breaking migration. */ if (machine->ram_size >= 0xe0000000) { - lowmem = gigabyte_align ? 0xc0000000 : 0xe0000000; + lowmem = pcmc->gigabyte_align ? 0xc0000000 : 0xe0000000; } else { lowmem = 0xe0000000; } @@ -142,11 +128,11 @@ static void pc_init1(MachineState *machine, pc_cpus_init(pcms); - if (kvm_enabled() && kvmclock_enabled) { + if (kvm_enabled() && pcmc->kvmclock_enabled) { kvmclock_create(); } - if (pci_enabled) { + if (pcmc->pci_enabled) { pci_memory = g_new(MemoryRegion, 1); memory_region_init(pci_memory, NULL, "pci", UINT64_MAX); rom_memory = pci_memory; @@ -157,18 +143,19 @@ static void pc_init1(MachineState *machine, guest_info = pc_guest_info_init(pcms); - guest_info->has_acpi_build = has_acpi_build; - guest_info->legacy_acpi_table_size = legacy_acpi_table_size; + guest_info->has_acpi_build = pcmc->has_acpi_build; + guest_info->legacy_acpi_table_size = pcmc->legacy_acpi_table_size; - guest_info->isapc_ram_fw = !pci_enabled; - guest_info->has_reserved_memory = has_reserved_memory; - guest_info->rsdp_in_ram = rsdp_in_ram; + guest_info->isapc_ram_fw = !pcmc->pci_enabled; + guest_info->has_reserved_memory = pcmc->has_reserved_memory; + guest_info->rsdp_in_ram = pcmc->rsdp_in_ram; - if (smbios_defaults) { + if (pcmc->smbios_defaults) { MachineClass *mc = MACHINE_GET_CLASS(machine); /* These values are guest ABI, do not change */ smbios_set_defaults("QEMU", "Standard PC (i440FX + PIIX, 1996)", - mc->name, smbios_legacy_mode, smbios_uuid_encoded, + mc->name, pcmc->smbios_legacy_mode, + pcmc->smbios_uuid_encoded, SMBIOS_ENTRY_POINT_21); } @@ -183,14 +170,14 @@ static void pc_init1(MachineState *machine, gsi_state = g_malloc0(sizeof(*gsi_state)); if (kvm_ioapic_in_kernel()) { - kvm_pc_setup_irq_routing(pci_enabled); + kvm_pc_setup_irq_routing(pcmc->pci_enabled); gsi = qemu_allocate_irqs(kvm_pc_gsi_handler, gsi_state, GSI_NUM_PINS); } else { gsi = qemu_allocate_irqs(gsi_handler, gsi_state, GSI_NUM_PINS); } - if (pci_enabled) { + if (pcmc->pci_enabled) { pci_bus = i440fx_init(host_type, pci_type, &i440fx_state, &piix3_devfn, &isa_bus, gsi, @@ -198,6 +185,7 @@ static void pc_init1(MachineState *machine, pcms->below_4g_mem_size, pcms->above_4g_mem_size, pci_memory, ram_memory); + pcms->bus = pci_bus; } else { pci_bus = NULL; i440fx_state = NULL; @@ -218,13 +206,13 @@ static void pc_init1(MachineState *machine, gsi_state->i8259_irq[i] = i8259[i]; } g_free(i8259); - if (pci_enabled) { + if (pcmc->pci_enabled) { ioapic_init_gsi(gsi_state, "i440fx"); } pc_register_ferr_irq(gsi[13]); - pc_vga_init(isa_bus, pci_enabled ? pci_bus : NULL); + pc_vga_init(isa_bus, pcmc->pci_enabled ? pci_bus : NULL); assert(pcms->vmport != ON_OFF_AUTO__MAX); if (pcms->vmport == ON_OFF_AUTO_AUTO) { @@ -238,7 +226,7 @@ static void pc_init1(MachineState *machine, pc_nic_init(isa_bus, pci_bus); ide_drive_get(hd, ARRAY_SIZE(hd)); - if (pci_enabled) { + if (pcmc->pci_enabled) { PCIDevice *dev; if (xen_enabled()) { dev = pci_piix3_xen_ide_init(pci_bus, hd, piix3_devfn + 1); @@ -265,11 +253,11 @@ static void pc_init1(MachineState *machine, pc_cmos_init(pcms, idebus[0], idebus[1], rtc_state); - if (pci_enabled && usb_enabled()) { + if (pcmc->pci_enabled && usb_enabled()) { pci_create_simple(pci_bus, piix3_devfn + 2, "piix3-usb-uhci"); } - if (pci_enabled && acpi_enabled) { + if (pcmc->pci_enabled && acpi_enabled) { DeviceState *piix4_pm; I2CBus *smbus; @@ -290,7 +278,7 @@ static void pc_init1(MachineState *machine, PC_MACHINE_ACPI_DEVICE_PROP, &error_abort); } - if (pci_enabled) { + if (pcmc->pci_enabled) { pc_pci_device_init(pci_bus); } } @@ -316,60 +304,29 @@ static void pc_compat_2_3(MachineState *machine) static void pc_compat_2_2(MachineState *machine) { pc_compat_2_3(machine); - rsdp_in_ram = false; machine->suppress_vmdesc = true; } static void pc_compat_2_1(MachineState *machine) { - PCMachineState *pcms = PC_MACHINE(machine); - pc_compat_2_2(machine); - smbios_uuid_encoded = false; x86_cpu_change_kvm_default("svm", NULL); - pcms->enforce_aligned_dimm = false; } static void pc_compat_2_0(MachineState *machine) { pc_compat_2_1(machine); - /* This value depends on the actual DSDT and SSDT compiled into - * the source QEMU; unfortunately it depends on the binary and - * not on the machine type, so we cannot make pc-i440fx-1.7 work on - * both QEMU 1.7 and QEMU 2.0. - * - * Large variations cause migration to fail for more than one - * consecutive value of the "-smp" maxcpus option. - * - * For small variations of the kind caused by different iasl versions, - * the 4k rounding usually leaves slack. However, there could be still - * one or two values that break. For QEMU 1.7 and QEMU 2.0 the - * slack is only ~10 bytes before one "-smp maxcpus" value breaks! - * - * 6652 is valid for QEMU 2.0, the right value for pc-i440fx-1.7 on - * QEMU 1.7 it is 6414. For RHEL/CentOS 7.0 it is 6418. - */ - legacy_acpi_table_size = 6652; - smbios_legacy_mode = true; - has_reserved_memory = false; - pc_set_legacy_acpi_data_size(); } static void pc_compat_1_7(MachineState *machine) { pc_compat_2_0(machine); - smbios_defaults = false; - gigabyte_align = false; - option_rom_has_mr = true; - legacy_acpi_table_size = 6414; x86_cpu_change_kvm_default("x2apic", NULL); } static void pc_compat_1_6(MachineState *machine) { pc_compat_1_7(machine); - rom_file_has_mr = false; - has_acpi_build = false; } static void pc_compat_1_5(MachineState *machine) @@ -399,19 +356,10 @@ static void pc_compat_1_2(MachineState *machine) static void pc_compat_0_13(MachineState *machine) { pc_compat_1_2(machine); - kvmclock_enabled = false; } static void pc_init_isa(MachineState *machine) { - pci_enabled = false; - has_acpi_build = false; - smbios_defaults = false; - gigabyte_align = false; - smbios_legacy_mode = true; - has_reserved_memory = false; - option_rom_has_mr = true; - rom_file_has_mr = false; if (!machine->cpu_model) { machine->cpu_model = "486"; } @@ -470,13 +418,25 @@ static void pc_i440fx_machine_options(MachineClass *m) m->default_display = "std"; } -static void pc_i440fx_2_5_machine_options(MachineClass *m) +static void pc_i440fx_2_6_machine_options(MachineClass *m) { pc_i440fx_machine_options(m); m->alias = "pc"; m->is_default = 1; } +DEFINE_I440FX_MACHINE(v2_6, "pc-i440fx-2.6", NULL, + pc_i440fx_2_6_machine_options); + + +static void pc_i440fx_2_5_machine_options(MachineClass *m) +{ + pc_i440fx_2_6_machine_options(m); + m->alias = NULL; + m->is_default = 0; + SET_MACHINE_COMPAT(m, PC_COMPAT_2_5); +} + DEFINE_I440FX_MACHINE(v2_5, "pc-i440fx-2.5", NULL, pc_i440fx_2_5_machine_options); @@ -486,8 +446,6 @@ static void pc_i440fx_2_4_machine_options(MachineClass *m) PCMachineClass *pcmc = PC_MACHINE_CLASS(m); pc_i440fx_2_5_machine_options(m); m->hw_version = "2.4.0"; - m->alias = NULL; - m->is_default = 0; pcmc->broken_reserved_end = true; SET_MACHINE_COMPAT(m, PC_COMPAT_2_4); } @@ -500,8 +458,6 @@ static void pc_i440fx_2_3_machine_options(MachineClass *m) { pc_i440fx_2_4_machine_options(m); m->hw_version = "2.3.0"; - m->alias = NULL; - m->is_default = 0; SET_MACHINE_COMPAT(m, PC_COMPAT_2_3); } @@ -511,9 +467,11 @@ DEFINE_I440FX_MACHINE(v2_3, "pc-i440fx-2.3", pc_compat_2_3, static void pc_i440fx_2_2_machine_options(MachineClass *m) { + PCMachineClass *pcmc = PC_MACHINE_CLASS(m); pc_i440fx_2_3_machine_options(m); m->hw_version = "2.2.0"; SET_MACHINE_COMPAT(m, PC_COMPAT_2_2); + pcmc->rsdp_in_ram = false; } DEFINE_I440FX_MACHINE(v2_2, "pc-i440fx-2.2", pc_compat_2_2, @@ -522,10 +480,13 @@ DEFINE_I440FX_MACHINE(v2_2, "pc-i440fx-2.2", pc_compat_2_2, static void pc_i440fx_2_1_machine_options(MachineClass *m) { + PCMachineClass *pcmc = PC_MACHINE_CLASS(m); pc_i440fx_2_2_machine_options(m); m->hw_version = "2.1.0"; m->default_display = NULL; SET_MACHINE_COMPAT(m, PC_COMPAT_2_1); + pcmc->smbios_uuid_encoded = false; + pcmc->enforce_aligned_dimm = false; } DEFINE_I440FX_MACHINE(v2_1, "pc-i440fx-2.1", pc_compat_2_1, @@ -535,9 +496,30 @@ DEFINE_I440FX_MACHINE(v2_1, "pc-i440fx-2.1", pc_compat_2_1, static void pc_i440fx_2_0_machine_options(MachineClass *m) { + PCMachineClass *pcmc = PC_MACHINE_CLASS(m); pc_i440fx_2_1_machine_options(m); m->hw_version = "2.0.0"; SET_MACHINE_COMPAT(m, PC_COMPAT_2_0); + pcmc->smbios_legacy_mode = true; + pcmc->has_reserved_memory = false; + /* This value depends on the actual DSDT and SSDT compiled into + * the source QEMU; unfortunately it depends on the binary and + * not on the machine type, so we cannot make pc-i440fx-1.7 work on + * both QEMU 1.7 and QEMU 2.0. + * + * Large variations cause migration to fail for more than one + * consecutive value of the "-smp" maxcpus option. + * + * For small variations of the kind caused by different iasl versions, + * the 4k rounding usually leaves slack. However, there could be still + * one or two values that break. For QEMU 1.7 and QEMU 2.0 the + * slack is only ~10 bytes before one "-smp maxcpus" value breaks! + * + * 6652 is valid for QEMU 2.0, the right value for pc-i440fx-1.7 on + * QEMU 1.7 it is 6414. For RHEL/CentOS 7.0 it is 6418. + */ + pcmc->legacy_acpi_table_size = 6652; + pcmc->acpi_data_size = 0x10000; } DEFINE_I440FX_MACHINE(v2_0, "pc-i440fx-2.0", pc_compat_2_0, @@ -546,10 +528,15 @@ DEFINE_I440FX_MACHINE(v2_0, "pc-i440fx-2.0", pc_compat_2_0, static void pc_i440fx_1_7_machine_options(MachineClass *m) { + PCMachineClass *pcmc = PC_MACHINE_CLASS(m); pc_i440fx_2_0_machine_options(m); m->hw_version = "1.7.0"; m->default_machine_opts = NULL; + m->option_rom_has_mr = true; SET_MACHINE_COMPAT(m, PC_COMPAT_1_7); + pcmc->smbios_defaults = false; + pcmc->gigabyte_align = false; + pcmc->legacy_acpi_table_size = 6414; } DEFINE_I440FX_MACHINE(v1_7, "pc-i440fx-1.7", pc_compat_1_7, @@ -558,9 +545,12 @@ DEFINE_I440FX_MACHINE(v1_7, "pc-i440fx-1.7", pc_compat_1_7, static void pc_i440fx_1_6_machine_options(MachineClass *m) { + PCMachineClass *pcmc = PC_MACHINE_CLASS(m); pc_i440fx_1_7_machine_options(m); m->hw_version = "1.6.0"; + m->rom_file_has_mr = false; SET_MACHINE_COMPAT(m, PC_COMPAT_1_6); + pcmc->has_acpi_build = false; } DEFINE_I440FX_MACHINE(v1_6, "pc-i440fx-1.6", pc_compat_1_6, @@ -814,9 +804,11 @@ DEFINE_I440FX_MACHINE(v0_14, "pc-0.14", pc_compat_1_2, static void pc_i440fx_0_13_machine_options(MachineClass *m) { + PCMachineClass *pcmc = PC_MACHINE_CLASS(m); pc_i440fx_0_14_machine_options(m); m->hw_version = "0.13"; SET_MACHINE_COMPAT(m, PC_COMPAT_0_13); + pcmc->kvmclock_enabled = false; } DEFINE_I440FX_MACHINE(v0_13, "pc-0.13", pc_compat_0_13, @@ -1038,8 +1030,17 @@ void igd_passthrough_isa_bridge_create(PCIBus *bus, uint16_t gpu_dev_id) static void isapc_machine_options(MachineClass *m) { + PCMachineClass *pcmc = PC_MACHINE_CLASS(m); m->desc = "ISA-only PC"; m->max_cpus = 1; + m->option_rom_has_mr = true; + m->rom_file_has_mr = false; + pcmc->pci_enabled = false; + pcmc->has_acpi_build = false; + pcmc->smbios_defaults = false; + pcmc->gigabyte_align = false; + pcmc->smbios_legacy_mode = true; + pcmc->has_reserved_memory = false; } DEFINE_PC_MACHINE(isapc, "isapc", pc_init_isa, diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c index 9a1206832b..412b3cd375 100644 --- a/hw/i386/pc_q35.c +++ b/hw/i386/pc_q35.c @@ -49,22 +49,11 @@ /* ICH9 AHCI has 6 ports */ #define MAX_SATA_PORTS 6 -static bool has_acpi_build = true; -static bool rsdp_in_ram = true; -static bool smbios_defaults = true; -static bool smbios_legacy_mode; -static bool smbios_uuid_encoded = true; -/* Make sure that guest addresses aligned at 1Gbyte boundaries get mapped to - * host addresses aligned at 1Gbyte boundaries. This way we can use 1GByte - * pages in the host. - */ -static bool gigabyte_align = true; -static bool has_reserved_memory = true; - /* PC hardware initialisation */ static void pc_q35_init(MachineState *machine) { PCMachineState *pcms = PC_MACHINE(machine); + PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms); Q35PCIHost *q35_host; PCIHostState *phb; PCIBus *host_bus; @@ -76,7 +65,6 @@ static void pc_q35_init(MachineState *machine) MemoryRegion *ram_memory; GSIState *gsi_state; ISABus *isa_bus; - int pci_enabled = 1; qemu_irq *gsi; qemu_irq *i8259; int i; @@ -97,7 +85,7 @@ static void pc_q35_init(MachineState *machine) * breaking migration. */ if (machine->ram_size >= 0xb0000000) { - lowmem = gigabyte_align ? 0x80000000 : 0xb0000000; + lowmem = pcmc->gigabyte_align ? 0x80000000 : 0xb0000000; } else { lowmem = 0xb0000000; } @@ -129,12 +117,15 @@ static void pc_q35_init(MachineState *machine) } pc_cpus_init(pcms); - pc_acpi_init("q35-acpi-dsdt.aml"); + if (!pcmc->has_acpi_build) { + /* only machine types 1.7 & older need this */ + pc_acpi_init("q35-acpi-dsdt.aml"); + } kvmclock_create(); /* pci enabled */ - if (pci_enabled) { + if (pcmc->pci_enabled) { pci_memory = g_new(MemoryRegion, 1); memory_region_init(pci_memory, NULL, "pci", UINT64_MAX); rom_memory = pci_memory; @@ -145,19 +136,20 @@ static void pc_q35_init(MachineState *machine) guest_info = pc_guest_info_init(pcms); guest_info->isapc_ram_fw = false; - guest_info->has_acpi_build = has_acpi_build; - guest_info->has_reserved_memory = has_reserved_memory; - guest_info->rsdp_in_ram = rsdp_in_ram; + guest_info->has_acpi_build = pcmc->has_acpi_build; + guest_info->has_reserved_memory = pcmc->has_reserved_memory; + guest_info->rsdp_in_ram = pcmc->rsdp_in_ram; /* Migration was not supported in 2.0 for Q35, so do not bother * with this hack (see hw/i386/acpi-build.c). */ guest_info->legacy_acpi_table_size = 0; - if (smbios_defaults) { + if (pcmc->smbios_defaults) { /* These values are guest ABI, do not change */ smbios_set_defaults("QEMU", "Standard PC (Q35 + ICH9, 2009)", - mc->name, smbios_legacy_mode, smbios_uuid_encoded, + mc->name, pcmc->smbios_legacy_mode, + pcmc->smbios_uuid_encoded, SMBIOS_ENTRY_POINT_21); } @@ -170,7 +162,7 @@ static void pc_q35_init(MachineState *machine) /* irq lines */ gsi_state = g_malloc0(sizeof(*gsi_state)); if (kvm_irqchip_in_kernel()) { - kvm_pc_setup_irq_routing(pci_enabled); + kvm_pc_setup_irq_routing(pcmc->pci_enabled); gsi = qemu_allocate_irqs(kvm_pc_gsi_handler, gsi_state, GSI_NUM_PINS); } else { @@ -187,11 +179,11 @@ static void pc_q35_init(MachineState *machine) q35_host->mch.address_space_io = get_system_io(); q35_host->mch.below_4g_mem_size = pcms->below_4g_mem_size; q35_host->mch.above_4g_mem_size = pcms->above_4g_mem_size; - q35_host->mch.guest_info = guest_info; /* pci */ qdev_init_nofail(DEVICE(q35_host)); phb = PCI_HOST_BRIDGE(q35_host); host_bus = phb->bus; + pcms->bus = phb->bus; /* create ISA bus */ lpc = pci_create_simple_multifunction(host_bus, PCI_DEVFN(ICH9_LPC_DEV, ICH9_LPC_FUNC), true, @@ -227,7 +219,7 @@ static void pc_q35_init(MachineState *machine) for (i = 0; i < ISA_NUM_IRQS; i++) { gsi_state->i8259_irq[i] = i8259[i]; } - if (pci_enabled) { + if (pcmc->pci_enabled) { ioapic_init_gsi(gsi_state, "q35"); } @@ -272,7 +264,7 @@ static void pc_q35_init(MachineState *machine) /* the rest devices to which pci devfn is automatically assigned */ pc_vga_init(isa_bus, host_bus); pc_nic_init(isa_bus, host_bus); - if (pci_enabled) { + if (pcmc->pci_enabled) { pc_pci_device_init(host_bus); } } @@ -298,42 +290,29 @@ static void pc_compat_2_3(MachineState *machine) static void pc_compat_2_2(MachineState *machine) { pc_compat_2_3(machine); - rsdp_in_ram = false; machine->suppress_vmdesc = true; } static void pc_compat_2_1(MachineState *machine) { - PCMachineState *pcms = PC_MACHINE(machine); - pc_compat_2_2(machine); - pcms->enforce_aligned_dimm = false; - smbios_uuid_encoded = false; x86_cpu_change_kvm_default("svm", NULL); } static void pc_compat_2_0(MachineState *machine) { pc_compat_2_1(machine); - smbios_legacy_mode = true; - has_reserved_memory = false; - pc_set_legacy_acpi_data_size(); } static void pc_compat_1_7(MachineState *machine) { pc_compat_2_0(machine); - smbios_defaults = false; - gigabyte_align = false; - option_rom_has_mr = true; x86_cpu_change_kvm_default("x2apic", NULL); } static void pc_compat_1_6(MachineState *machine) { pc_compat_1_7(machine); - rom_file_has_mr = false; - has_acpi_build = false; } static void pc_compat_1_5(MachineState *machine) @@ -370,12 +349,22 @@ static void pc_q35_machine_options(MachineClass *m) m->no_tco = 0; } -static void pc_q35_2_5_machine_options(MachineClass *m) +static void pc_q35_2_6_machine_options(MachineClass *m) { pc_q35_machine_options(m); m->alias = "q35"; } +DEFINE_Q35_MACHINE(v2_6, "pc-q35-2.6", NULL, + pc_q35_2_6_machine_options); + +static void pc_q35_2_5_machine_options(MachineClass *m) +{ + pc_q35_2_6_machine_options(m); + m->alias = NULL; + SET_MACHINE_COMPAT(m, PC_COMPAT_2_5); +} + DEFINE_Q35_MACHINE(v2_5, "pc-q35-2.5", NULL, pc_q35_2_5_machine_options); @@ -384,7 +373,6 @@ static void pc_q35_2_4_machine_options(MachineClass *m) PCMachineClass *pcmc = PC_MACHINE_CLASS(m); pc_q35_2_5_machine_options(m); m->hw_version = "2.4.0"; - m->alias = NULL; pcmc->broken_reserved_end = true; SET_MACHINE_COMPAT(m, PC_COMPAT_2_4); } @@ -399,7 +387,6 @@ static void pc_q35_2_3_machine_options(MachineClass *m) m->hw_version = "2.3.0"; m->no_floppy = 0; m->no_tco = 1; - m->alias = NULL; SET_MACHINE_COMPAT(m, PC_COMPAT_2_3); } @@ -409,9 +396,11 @@ DEFINE_Q35_MACHINE(v2_3, "pc-q35-2.3", pc_compat_2_3, static void pc_q35_2_2_machine_options(MachineClass *m) { + PCMachineClass *pcmc = PC_MACHINE_CLASS(m); pc_q35_2_3_machine_options(m); m->hw_version = "2.2.0"; SET_MACHINE_COMPAT(m, PC_COMPAT_2_2); + pcmc->rsdp_in_ram = false; } DEFINE_Q35_MACHINE(v2_2, "pc-q35-2.2", pc_compat_2_2, @@ -420,10 +409,13 @@ DEFINE_Q35_MACHINE(v2_2, "pc-q35-2.2", pc_compat_2_2, static void pc_q35_2_1_machine_options(MachineClass *m) { + PCMachineClass *pcmc = PC_MACHINE_CLASS(m); pc_q35_2_2_machine_options(m); m->hw_version = "2.1.0"; m->default_display = NULL; SET_MACHINE_COMPAT(m, PC_COMPAT_2_1); + pcmc->smbios_uuid_encoded = false; + pcmc->enforce_aligned_dimm = false; } DEFINE_Q35_MACHINE(v2_1, "pc-q35-2.1", pc_compat_2_1, @@ -432,9 +424,13 @@ DEFINE_Q35_MACHINE(v2_1, "pc-q35-2.1", pc_compat_2_1, static void pc_q35_2_0_machine_options(MachineClass *m) { + PCMachineClass *pcmc = PC_MACHINE_CLASS(m); pc_q35_2_1_machine_options(m); m->hw_version = "2.0.0"; SET_MACHINE_COMPAT(m, PC_COMPAT_2_0); + pcmc->has_reserved_memory = false; + pcmc->smbios_legacy_mode = true; + pcmc->acpi_data_size = 0x10000; } DEFINE_Q35_MACHINE(v2_0, "pc-q35-2.0", pc_compat_2_0, @@ -443,10 +439,14 @@ DEFINE_Q35_MACHINE(v2_0, "pc-q35-2.0", pc_compat_2_0, static void pc_q35_1_7_machine_options(MachineClass *m) { + PCMachineClass *pcmc = PC_MACHINE_CLASS(m); pc_q35_2_0_machine_options(m); m->hw_version = "1.7.0"; m->default_machine_opts = NULL; + m->option_rom_has_mr = true; SET_MACHINE_COMPAT(m, PC_COMPAT_1_7); + pcmc->smbios_defaults = false; + pcmc->gigabyte_align = false; } DEFINE_Q35_MACHINE(v1_7, "pc-q35-1.7", pc_compat_1_7, @@ -455,9 +455,12 @@ DEFINE_Q35_MACHINE(v1_7, "pc-q35-1.7", pc_compat_1_7, static void pc_q35_1_6_machine_options(MachineClass *m) { + PCMachineClass *pcmc = PC_MACHINE_CLASS(m); pc_q35_machine_options(m); m->hw_version = "1.6.0"; + m->rom_file_has_mr = false; SET_MACHINE_COMPAT(m, PC_COMPAT_1_6); + pcmc->has_acpi_build = false; } DEFINE_Q35_MACHINE(v1_6, "pc-q35-1.6", pc_compat_1_6, diff --git a/hw/ipmi/Makefile.objs b/hw/ipmi/Makefile.objs new file mode 100644 index 0000000000..a90318d5ba --- /dev/null +++ b/hw/ipmi/Makefile.objs @@ -0,0 +1,5 @@ +common-obj-$(CONFIG_IPMI) += ipmi.o +common-obj-$(CONFIG_IPMI_LOCAL) += ipmi_bmc_sim.o +common-obj-$(CONFIG_IPMI_LOCAL) += ipmi_bmc_extern.o +common-obj-$(CONFIG_ISA_IPMI_KCS) += isa_ipmi_kcs.o +common-obj-$(CONFIG_ISA_IPMI_BT) += isa_ipmi_bt.o diff --git a/hw/ipmi/ipmi.c b/hw/ipmi/ipmi.c new file mode 100644 index 0000000000..52aba1e20d --- /dev/null +++ b/hw/ipmi/ipmi.c @@ -0,0 +1,152 @@ +/* + * QEMU IPMI emulation + * + * Copyright (c) 2015 Corey Minyard, MontaVista Software, LLC + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#include "hw/hw.h" +#include "hw/ipmi/ipmi.h" +#include "sysemu/sysemu.h" +#include "qmp-commands.h" +#include "qom/object_interfaces.h" +#include "qapi/visitor.h" + +static int ipmi_do_hw_op(IPMIInterface *s, enum ipmi_op op, int checkonly) +{ + switch (op) { + case IPMI_RESET_CHASSIS: + if (checkonly) { + return 0; + } + qemu_system_reset_request(); + return 0; + + case IPMI_POWEROFF_CHASSIS: + if (checkonly) { + return 0; + } + qemu_system_powerdown_request(); + return 0; + + case IPMI_SEND_NMI: + if (checkonly) { + return 0; + } + qemu_mutex_lock_iothread(); + qmp_inject_nmi(NULL); + qemu_mutex_unlock_iothread(); + return 0; + + case IPMI_POWERCYCLE_CHASSIS: + case IPMI_PULSE_DIAG_IRQ: + case IPMI_SHUTDOWN_VIA_ACPI_OVERTEMP: + case IPMI_POWERON_CHASSIS: + default: + return IPMI_CC_COMMAND_NOT_SUPPORTED; + } +} + +static void ipmi_interface_class_init(ObjectClass *class, void *data) +{ + IPMIInterfaceClass *ik = IPMI_INTERFACE_CLASS(class); + + ik->do_hw_op = ipmi_do_hw_op; +} + +static TypeInfo ipmi_interface_type_info = { + .name = TYPE_IPMI_INTERFACE, + .parent = TYPE_INTERFACE, + .class_size = sizeof(IPMIInterfaceClass), + .class_init = ipmi_interface_class_init, +}; + +static void isa_ipmi_bmc_check(Object *obj, const char *name, + Object *val, Error **errp) +{ + IPMIBmc *bmc = IPMI_BMC(val); + + if (bmc->intf) + error_setg(errp, "BMC object is already in use"); +} + +void ipmi_bmc_find_and_link(Object *obj, Object **bmc) +{ + object_property_add_link(obj, "bmc", TYPE_IPMI_BMC, bmc, + isa_ipmi_bmc_check, + OBJ_PROP_LINK_UNREF_ON_RELEASE, + &error_abort); +} + +static Property ipmi_bmc_properties[] = { + DEFINE_PROP_UINT8("slave_addr", IPMIBmc, slave_addr, 0x20), + DEFINE_PROP_END_OF_LIST(), +}; + +static void bmc_class_init(ObjectClass *oc, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(oc); + + dc->props = ipmi_bmc_properties; +} + +static TypeInfo ipmi_bmc_type_info = { + .name = TYPE_IPMI_BMC, + .parent = TYPE_DEVICE, + .instance_size = sizeof(IPMIBmc), + .abstract = true, + .class_size = sizeof(IPMIBmcClass), + .class_init = bmc_class_init, +}; + +static void ipmi_register_types(void) +{ + type_register_static(&ipmi_interface_type_info); + type_register_static(&ipmi_bmc_type_info); +} + +type_init(ipmi_register_types) + +static IPMIFwInfo *ipmi_fw_info; +static unsigned int ipmi_fw_info_len; + +static uint32_t current_uuid = 1; + +void ipmi_add_fwinfo(IPMIFwInfo *info, Error **errp) +{ + info->uuid = current_uuid++; + ipmi_fw_info = g_realloc(ipmi_fw_info, + sizeof(*ipmi_fw_info) * (ipmi_fw_info_len + 1)); + ipmi_fw_info[ipmi_fw_info_len] = *info; +} + +IPMIFwInfo *ipmi_first_fwinfo(void) +{ + return ipmi_fw_info; +} + +IPMIFwInfo *ipmi_next_fwinfo(IPMIFwInfo *current) +{ + current++; + if (current >= &ipmi_fw_info[ipmi_fw_info_len]) { + return NULL; + } + return current; +} diff --git a/hw/ipmi/ipmi_bmc_extern.c b/hw/ipmi/ipmi_bmc_extern.c new file mode 100644 index 0000000000..56073b37ae --- /dev/null +++ b/hw/ipmi/ipmi_bmc_extern.c @@ -0,0 +1,518 @@ +/* + * IPMI BMC external connection + * + * Copyright (c) 2015 Corey Minyard, MontaVista Software, LLC + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +/* + * This is designed to connect with OpenIPMI's lanserv serial interface + * using the "VM" connection type. See that for details. + */ + +#include <stdint.h> +#include "qemu/timer.h" +#include "sysemu/char.h" +#include "sysemu/sysemu.h" +#include "hw/ipmi/ipmi.h" + +#define VM_MSG_CHAR 0xA0 /* Marks end of message */ +#define VM_CMD_CHAR 0xA1 /* Marks end of a command */ +#define VM_ESCAPE_CHAR 0xAA /* Set bit 4 from the next byte to 0 */ + +#define VM_PROTOCOL_VERSION 1 +#define VM_CMD_VERSION 0xff /* A version number byte follows */ +#define VM_CMD_NOATTN 0x00 +#define VM_CMD_ATTN 0x01 +#define VM_CMD_ATTN_IRQ 0x02 +#define VM_CMD_POWEROFF 0x03 +#define VM_CMD_RESET 0x04 +#define VM_CMD_ENABLE_IRQ 0x05 /* Enable/disable the messaging irq */ +#define VM_CMD_DISABLE_IRQ 0x06 +#define VM_CMD_SEND_NMI 0x07 +#define VM_CMD_CAPABILITIES 0x08 +#define VM_CAPABILITIES_POWER 0x01 +#define VM_CAPABILITIES_RESET 0x02 +#define VM_CAPABILITIES_IRQ 0x04 +#define VM_CAPABILITIES_NMI 0x08 +#define VM_CAPABILITIES_ATTN 0x10 +#define VM_CMD_FORCEOFF 0x09 + +#define TYPE_IPMI_BMC_EXTERN "ipmi-bmc-extern" +#define IPMI_BMC_EXTERN(obj) OBJECT_CHECK(IPMIBmcExtern, (obj), \ + TYPE_IPMI_BMC_EXTERN) +typedef struct IPMIBmcExtern { + IPMIBmc parent; + + CharDriverState *chr; + + bool connected; + + unsigned char inbuf[MAX_IPMI_MSG_SIZE + 2]; + unsigned int inpos; + bool in_escape; + bool in_too_many; + bool waiting_rsp; + bool sending_cmd; + + unsigned char outbuf[(MAX_IPMI_MSG_SIZE + 2) * 2 + 1]; + unsigned int outpos; + unsigned int outlen; + + struct QEMUTimer *extern_timer; + + /* A reset event is pending to be sent upstream. */ + bool send_reset; +} IPMIBmcExtern; + +static int can_receive(void *opaque); +static void receive(void *opaque, const uint8_t *buf, int size); +static void chr_event(void *opaque, int event); + +static unsigned char +ipmb_checksum(const unsigned char *data, int size, unsigned char start) +{ + unsigned char csum = start; + + for (; size > 0; size--, data++) { + csum += *data; + } + return csum; +} + +static void continue_send(IPMIBmcExtern *ibe) +{ + if (ibe->outlen == 0) { + goto check_reset; + } + send: + ibe->outpos += qemu_chr_fe_write(ibe->chr, ibe->outbuf + ibe->outpos, + ibe->outlen - ibe->outpos); + if (ibe->outpos < ibe->outlen) { + /* Not fully transmitted, try again in a 10ms */ + timer_mod_ns(ibe->extern_timer, + qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + 10000000); + } else { + /* Sent */ + ibe->outlen = 0; + ibe->outpos = 0; + if (!ibe->sending_cmd) { + ibe->waiting_rsp = true; + } else { + ibe->sending_cmd = false; + } + check_reset: + if (ibe->connected && ibe->send_reset) { + /* Send the reset */ + ibe->outbuf[0] = VM_CMD_RESET; + ibe->outbuf[1] = VM_CMD_CHAR; + ibe->outlen = 2; + ibe->outpos = 0; + ibe->send_reset = false; + ibe->sending_cmd = true; + goto send; + } + + if (ibe->waiting_rsp) { + /* Make sure we get a response within 4 seconds. */ + timer_mod_ns(ibe->extern_timer, + qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + 4000000000ULL); + } + } + return; +} + +static void extern_timeout(void *opaque) +{ + IPMIBmcExtern *ibe = opaque; + IPMIInterface *s = ibe->parent.intf; + + if (ibe->connected) { + if (ibe->waiting_rsp && (ibe->outlen == 0)) { + IPMIInterfaceClass *k = IPMI_INTERFACE_GET_CLASS(s); + /* The message response timed out, return an error. */ + ibe->waiting_rsp = false; + ibe->inbuf[1] = ibe->outbuf[1] | 0x04; + ibe->inbuf[2] = ibe->outbuf[2]; + ibe->inbuf[3] = IPMI_CC_TIMEOUT; + k->handle_rsp(s, ibe->outbuf[0], ibe->inbuf + 1, 3); + } else { + continue_send(ibe); + } + } +} + +static void addchar(IPMIBmcExtern *ibe, unsigned char ch) +{ + switch (ch) { + case VM_MSG_CHAR: + case VM_CMD_CHAR: + case VM_ESCAPE_CHAR: + ibe->outbuf[ibe->outlen] = VM_ESCAPE_CHAR; + ibe->outlen++; + ch |= 0x10; + /* No break */ + + default: + ibe->outbuf[ibe->outlen] = ch; + ibe->outlen++; + } +} + +static void ipmi_bmc_extern_handle_command(IPMIBmc *b, + uint8_t *cmd, unsigned int cmd_len, + unsigned int max_cmd_len, + uint8_t msg_id) +{ + IPMIBmcExtern *ibe = IPMI_BMC_EXTERN(b); + IPMIInterface *s = ibe->parent.intf; + uint8_t err = 0, csum; + unsigned int i; + + if (ibe->outlen) { + /* We already have a command queued. Shouldn't ever happen. */ + fprintf(stderr, "IPMI KCS: Got command when not finished with the" + " previous commmand\n"); + abort(); + } + + /* If it's too short or it was truncated, return an error. */ + if (cmd_len < 2) { + err = IPMI_CC_REQUEST_DATA_LENGTH_INVALID; + } else if ((cmd_len > max_cmd_len) || (cmd_len > MAX_IPMI_MSG_SIZE)) { + err = IPMI_CC_REQUEST_DATA_TRUNCATED; + } else if (!ibe->connected) { + err = IPMI_CC_BMC_INIT_IN_PROGRESS; + } + if (err) { + IPMIInterfaceClass *k = IPMI_INTERFACE_GET_CLASS(s); + unsigned char rsp[3]; + rsp[0] = cmd[0] | 0x04; + rsp[1] = cmd[1]; + rsp[2] = err; + ibe->waiting_rsp = false; + k->handle_rsp(s, msg_id, rsp, 3); + goto out; + } + + addchar(ibe, msg_id); + for (i = 0; i < cmd_len; i++) { + addchar(ibe, cmd[i]); + } + csum = ipmb_checksum(&msg_id, 1, 0); + addchar(ibe, -ipmb_checksum(cmd, cmd_len, csum)); + + ibe->outbuf[ibe->outlen] = VM_MSG_CHAR; + ibe->outlen++; + + /* Start the transmit */ + continue_send(ibe); + + out: + return; +} + +static void handle_hw_op(IPMIBmcExtern *ibe, unsigned char hw_op) +{ + IPMIInterface *s = ibe->parent.intf; + IPMIInterfaceClass *k = IPMI_INTERFACE_GET_CLASS(s); + + switch (hw_op) { + case VM_CMD_VERSION: + /* We only support one version at this time. */ + break; + + case VM_CMD_NOATTN: + k->set_atn(s, 0, 0); + break; + + case VM_CMD_ATTN: + k->set_atn(s, 1, 0); + break; + + case VM_CMD_ATTN_IRQ: + k->set_atn(s, 1, 1); + break; + + case VM_CMD_POWEROFF: + k->do_hw_op(s, IPMI_POWEROFF_CHASSIS, 0); + break; + + case VM_CMD_RESET: + k->do_hw_op(s, IPMI_RESET_CHASSIS, 0); + break; + + case VM_CMD_ENABLE_IRQ: + k->set_irq_enable(s, 1); + break; + + case VM_CMD_DISABLE_IRQ: + k->set_irq_enable(s, 0); + break; + + case VM_CMD_SEND_NMI: + k->do_hw_op(s, IPMI_SEND_NMI, 0); + break; + + case VM_CMD_FORCEOFF: + qemu_system_shutdown_request(); + break; + } +} + +static void handle_msg(IPMIBmcExtern *ibe) +{ + IPMIInterfaceClass *k = IPMI_INTERFACE_GET_CLASS(ibe->parent.intf); + + if (ibe->in_escape) { + ipmi_debug("msg escape not ended\n"); + return; + } + if (ibe->inpos < 5) { + ipmi_debug("msg too short\n"); + return; + } + if (ibe->in_too_many) { + ibe->inbuf[3] = IPMI_CC_REQUEST_DATA_TRUNCATED; + ibe->inpos = 4; + } else if (ipmb_checksum(ibe->inbuf, ibe->inpos, 0) != 0) { + ipmi_debug("msg checksum failure\n"); + return; + } else { + ibe->inpos--; /* Remove checkum */ + } + + timer_del(ibe->extern_timer); + ibe->waiting_rsp = false; + k->handle_rsp(ibe->parent.intf, ibe->inbuf[0], ibe->inbuf + 1, ibe->inpos - 1); +} + +static int can_receive(void *opaque) +{ + return 1; +} + +static void receive(void *opaque, const uint8_t *buf, int size) +{ + IPMIBmcExtern *ibe = opaque; + int i; + unsigned char hw_op; + + for (i = 0; i < size; i++) { + unsigned char ch = buf[i]; + + switch (ch) { + case VM_MSG_CHAR: + handle_msg(ibe); + ibe->in_too_many = false; + ibe->inpos = 0; + break; + + case VM_CMD_CHAR: + if (ibe->in_too_many) { + ipmi_debug("cmd in too many\n"); + ibe->in_too_many = false; + ibe->inpos = 0; + break; + } + if (ibe->in_escape) { + ipmi_debug("cmd in escape\n"); + ibe->in_too_many = false; + ibe->inpos = 0; + ibe->in_escape = false; + break; + } + ibe->in_too_many = false; + if (ibe->inpos < 1) { + break; + } + hw_op = ibe->inbuf[0]; + ibe->inpos = 0; + goto out_hw_op; + break; + + case VM_ESCAPE_CHAR: + ibe->in_escape = true; + break; + + default: + if (ibe->in_escape) { + ch &= ~0x10; + ibe->in_escape = false; + } + if (ibe->in_too_many) { + break; + } + if (ibe->inpos >= sizeof(ibe->inbuf)) { + ibe->in_too_many = true; + break; + } + ibe->inbuf[ibe->inpos] = ch; + ibe->inpos++; + break; + } + } + return; + + out_hw_op: + handle_hw_op(ibe, hw_op); +} + +static void chr_event(void *opaque, int event) +{ + IPMIBmcExtern *ibe = opaque; + IPMIInterface *s = ibe->parent.intf; + IPMIInterfaceClass *k = IPMI_INTERFACE_GET_CLASS(s); + unsigned char v; + + switch (event) { + case CHR_EVENT_OPENED: + ibe->connected = true; + ibe->outpos = 0; + ibe->outlen = 0; + addchar(ibe, VM_CMD_VERSION); + addchar(ibe, VM_PROTOCOL_VERSION); + ibe->outbuf[ibe->outlen] = VM_CMD_CHAR; + ibe->outlen++; + addchar(ibe, VM_CMD_CAPABILITIES); + v = VM_CAPABILITIES_IRQ | VM_CAPABILITIES_ATTN; + if (k->do_hw_op(ibe->parent.intf, IPMI_POWEROFF_CHASSIS, 1) == 0) { + v |= VM_CAPABILITIES_POWER; + } + if (k->do_hw_op(ibe->parent.intf, IPMI_RESET_CHASSIS, 1) == 0) { + v |= VM_CAPABILITIES_RESET; + } + if (k->do_hw_op(ibe->parent.intf, IPMI_SEND_NMI, 1) == 0) { + v |= VM_CAPABILITIES_NMI; + } + addchar(ibe, v); + ibe->outbuf[ibe->outlen] = VM_CMD_CHAR; + ibe->outlen++; + ibe->sending_cmd = false; + continue_send(ibe); + break; + + case CHR_EVENT_CLOSED: + if (!ibe->connected) { + return; + } + ibe->connected = false; + if (ibe->waiting_rsp) { + ibe->waiting_rsp = false; + ibe->inbuf[1] = ibe->outbuf[1] | 0x04; + ibe->inbuf[2] = ibe->outbuf[2]; + ibe->inbuf[3] = IPMI_CC_BMC_INIT_IN_PROGRESS; + k->handle_rsp(s, ibe->outbuf[0], ibe->inbuf + 1, 3); + } + break; + } +} + +static void ipmi_bmc_extern_handle_reset(IPMIBmc *b) +{ + IPMIBmcExtern *ibe = IPMI_BMC_EXTERN(b); + + ibe->send_reset = true; + continue_send(ibe); +} + +static void ipmi_bmc_extern_realize(DeviceState *dev, Error **errp) +{ + IPMIBmcExtern *ibe = IPMI_BMC_EXTERN(dev); + + if (!ibe->chr) { + error_setg(errp, "IPMI external bmc requires chardev attribute"); + return; + } + + qemu_chr_add_handlers(ibe->chr, can_receive, receive, chr_event, ibe); +} + +static int ipmi_bmc_extern_post_migrate(void *opaque, int version_id) +{ + IPMIBmcExtern *ibe = opaque; + + /* + * We don't directly restore waiting_rsp, Instead, we return an + * error on the interface if a response was being waited for. + */ + if (ibe->waiting_rsp) { + IPMIInterface *ii = ibe->parent.intf; + IPMIInterfaceClass *iic = IPMI_INTERFACE_GET_CLASS(ii); + + ibe->waiting_rsp = false; + ibe->inbuf[1] = ibe->outbuf[1] | 0x04; + ibe->inbuf[2] = ibe->outbuf[2]; + ibe->inbuf[3] = IPMI_CC_BMC_INIT_IN_PROGRESS; + iic->handle_rsp(ii, ibe->outbuf[0], ibe->inbuf + 1, 3); + } + return 0; +} + +static const VMStateDescription vmstate_ipmi_bmc_extern = { + .name = TYPE_IPMI_BMC_EXTERN, + .version_id = 1, + .minimum_version_id = 1, + .post_load = ipmi_bmc_extern_post_migrate, + .fields = (VMStateField[]) { + VMSTATE_BOOL(send_reset, IPMIBmcExtern), + VMSTATE_BOOL(waiting_rsp, IPMIBmcExtern), + VMSTATE_END_OF_LIST() + } +}; + +static void ipmi_bmc_extern_init(Object *obj) +{ + IPMIBmcExtern *ibe = IPMI_BMC_EXTERN(obj); + + ibe->extern_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, extern_timeout, ibe); + vmstate_register(NULL, 0, &vmstate_ipmi_bmc_extern, ibe); +} + +static Property ipmi_bmc_extern_properties[] = { + DEFINE_PROP_CHR("chardev", IPMIBmcExtern, chr), + DEFINE_PROP_END_OF_LIST(), +}; + +static void ipmi_bmc_extern_class_init(ObjectClass *oc, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(oc); + IPMIBmcClass *bk = IPMI_BMC_CLASS(oc); + + bk->handle_command = ipmi_bmc_extern_handle_command; + bk->handle_reset = ipmi_bmc_extern_handle_reset; + dc->realize = ipmi_bmc_extern_realize; + dc->props = ipmi_bmc_extern_properties; +} + +static const TypeInfo ipmi_bmc_extern_type = { + .name = TYPE_IPMI_BMC_EXTERN, + .parent = TYPE_IPMI_BMC, + .instance_size = sizeof(IPMIBmcExtern), + .instance_init = ipmi_bmc_extern_init, + .class_init = ipmi_bmc_extern_class_init, + }; + +static void ipmi_bmc_extern_register_types(void) +{ + type_register_static(&ipmi_bmc_extern_type); +} + +type_init(ipmi_bmc_extern_register_types) diff --git a/hw/ipmi/ipmi_bmc_sim.c b/hw/ipmi/ipmi_bmc_sim.c new file mode 100644 index 0000000000..0a59e539f5 --- /dev/null +++ b/hw/ipmi/ipmi_bmc_sim.c @@ -0,0 +1,1756 @@ +/* + * IPMI BMC emulation + * + * Copyright (c) 2015 Corey Minyard, MontaVista Software, LLC + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#include <stdio.h> +#include <string.h> +#include <stdint.h> +#include "qemu/timer.h" +#include "hw/ipmi/ipmi.h" +#include "qemu/error-report.h" + +#define IPMI_NETFN_CHASSIS 0x00 +#define IPMI_NETFN_CHASSIS_MAXCMD 0x03 + +#define IPMI_CMD_GET_CHASSIS_CAPABILITIES 0x00 +#define IPMI_CMD_GET_CHASSIS_STATUS 0x01 +#define IPMI_CMD_CHASSIS_CONTROL 0x02 + +#define IPMI_NETFN_SENSOR_EVENT 0x04 +#define IPMI_NETFN_SENSOR_EVENT_MAXCMD 0x2e + +#define IPMI_CMD_SET_SENSOR_EVT_ENABLE 0x28 +#define IPMI_CMD_GET_SENSOR_EVT_ENABLE 0x29 +#define IPMI_CMD_REARM_SENSOR_EVTS 0x2a +#define IPMI_CMD_GET_SENSOR_EVT_STATUS 0x2b +#define IPMI_CMD_GET_SENSOR_READING 0x2d + +/* #define IPMI_NETFN_APP 0x06 In ipmi.h */ +#define IPMI_NETFN_APP_MAXCMD 0x36 + +#define IPMI_CMD_GET_DEVICE_ID 0x01 +#define IPMI_CMD_COLD_RESET 0x02 +#define IPMI_CMD_WARM_RESET 0x03 +#define IPMI_CMD_RESET_WATCHDOG_TIMER 0x22 +#define IPMI_CMD_SET_WATCHDOG_TIMER 0x24 +#define IPMI_CMD_GET_WATCHDOG_TIMER 0x25 +#define IPMI_CMD_SET_BMC_GLOBAL_ENABLES 0x2e +#define IPMI_CMD_GET_BMC_GLOBAL_ENABLES 0x2f +#define IPMI_CMD_CLR_MSG_FLAGS 0x30 +#define IPMI_CMD_GET_MSG_FLAGS 0x31 +#define IPMI_CMD_GET_MSG 0x33 +#define IPMI_CMD_SEND_MSG 0x34 +#define IPMI_CMD_READ_EVT_MSG_BUF 0x35 + +#define IPMI_NETFN_STORAGE 0x0a +#define IPMI_NETFN_STORAGE_MAXCMD 0x4a + +#define IPMI_CMD_GET_SDR_REP_INFO 0x20 +#define IPMI_CMD_GET_SDR_REP_ALLOC_INFO 0x21 +#define IPMI_CMD_RESERVE_SDR_REP 0x22 +#define IPMI_CMD_GET_SDR 0x23 +#define IPMI_CMD_ADD_SDR 0x24 +#define IPMI_CMD_PARTIAL_ADD_SDR 0x25 +#define IPMI_CMD_DELETE_SDR 0x26 +#define IPMI_CMD_CLEAR_SDR_REP 0x27 +#define IPMI_CMD_GET_SDR_REP_TIME 0x28 +#define IPMI_CMD_SET_SDR_REP_TIME 0x29 +#define IPMI_CMD_ENTER_SDR_REP_UPD_MODE 0x2A +#define IPMI_CMD_EXIT_SDR_REP_UPD_MODE 0x2B +#define IPMI_CMD_RUN_INIT_AGENT 0x2C +#define IPMI_CMD_GET_SEL_INFO 0x40 +#define IPMI_CMD_GET_SEL_ALLOC_INFO 0x41 +#define IPMI_CMD_RESERVE_SEL 0x42 +#define IPMI_CMD_GET_SEL_ENTRY 0x43 +#define IPMI_CMD_ADD_SEL_ENTRY 0x44 +#define IPMI_CMD_PARTIAL_ADD_SEL_ENTRY 0x45 +#define IPMI_CMD_DELETE_SEL_ENTRY 0x46 +#define IPMI_CMD_CLEAR_SEL 0x47 +#define IPMI_CMD_GET_SEL_TIME 0x48 +#define IPMI_CMD_SET_SEL_TIME 0x49 + + +/* Same as a timespec struct. */ +struct ipmi_time { + long tv_sec; + long tv_nsec; +}; + +#define MAX_SEL_SIZE 128 + +typedef struct IPMISel { + uint8_t sel[MAX_SEL_SIZE][16]; + unsigned int next_free; + long time_offset; + uint16_t reservation; + uint8_t last_addition[4]; + uint8_t last_clear[4]; + uint8_t overflow; +} IPMISel; + +#define MAX_SDR_SIZE 16384 + +typedef struct IPMISdr { + uint8_t sdr[MAX_SDR_SIZE]; + unsigned int next_free; + uint16_t next_rec_id; + uint16_t reservation; + uint8_t last_addition[4]; + uint8_t last_clear[4]; + uint8_t overflow; +} IPMISdr; + +typedef struct IPMISensor { + uint8_t status; + uint8_t reading; + uint16_t states_suppt; + uint16_t assert_suppt; + uint16_t deassert_suppt; + uint16_t states; + uint16_t assert_states; + uint16_t deassert_states; + uint16_t assert_enable; + uint16_t deassert_enable; + uint8_t sensor_type; + uint8_t evt_reading_type_code; +} IPMISensor; +#define IPMI_SENSOR_GET_PRESENT(s) ((s)->status & 0x01) +#define IPMI_SENSOR_SET_PRESENT(s, v) ((s)->status = (s->status & ~0x01) | \ + !!(v)) +#define IPMI_SENSOR_GET_SCAN_ON(s) ((s)->status & 0x40) +#define IPMI_SENSOR_SET_SCAN_ON(s, v) ((s)->status = (s->status & ~0x40) | \ + ((!!(v)) << 6)) +#define IPMI_SENSOR_GET_EVENTS_ON(s) ((s)->status & 0x80) +#define IPMI_SENSOR_SET_EVENTS_ON(s, v) ((s)->status = (s->status & ~0x80) | \ + ((!!(v)) << 7)) +#define IPMI_SENSOR_GET_RET_STATUS(s) ((s)->status & 0xc0) +#define IPMI_SENSOR_SET_RET_STATUS(s, v) ((s)->status = (s->status & ~0xc0) | \ + (v & 0xc0)) +#define IPMI_SENSOR_IS_DISCRETE(s) ((s)->evt_reading_type_code != 1) + +#define MAX_SENSORS 20 +#define IPMI_WATCHDOG_SENSOR 0 + +typedef struct IPMIBmcSim IPMIBmcSim; + +#define MAX_NETFNS 64 +typedef void (*IPMICmdHandler)(IPMIBmcSim *s, + uint8_t *cmd, unsigned int cmd_len, + uint8_t *rsp, unsigned int *rsp_len, + unsigned int max_rsp_len); +typedef struct IPMINetfn { + unsigned int cmd_nums; + const IPMICmdHandler *cmd_handlers; +} IPMINetfn; + +typedef struct IPMIRcvBufEntry { + QTAILQ_ENTRY(IPMIRcvBufEntry) entry; + uint8_t len; + uint8_t buf[MAX_IPMI_MSG_SIZE]; +} IPMIRcvBufEntry; + +#define TYPE_IPMI_BMC_SIMULATOR "ipmi-bmc-sim" +#define IPMI_BMC_SIMULATOR(obj) OBJECT_CHECK(IPMIBmcSim, (obj), \ + TYPE_IPMI_BMC_SIMULATOR) +struct IPMIBmcSim { + IPMIBmc parent; + + QEMUTimer *timer; + + uint8_t bmc_global_enables; + uint8_t msg_flags; + + bool watchdog_initialized; + uint8_t watchdog_use; + uint8_t watchdog_action; + uint8_t watchdog_pretimeout; /* In seconds */ + bool watchdog_expired; + uint16_t watchdog_timeout; /* in 100's of milliseconds */ + + bool watchdog_running; + bool watchdog_preaction_ran; + int64_t watchdog_expiry; + + uint8_t device_id; + uint8_t ipmi_version; + uint8_t device_rev; + uint8_t fwrev1; + uint8_t fwrev2; + uint8_t mfg_id[3]; + uint8_t product_id[2]; + + IPMISel sel; + IPMISdr sdr; + IPMISensor sensors[MAX_SENSORS]; + + /* Odd netfns are for responses, so we only need the even ones. */ + const IPMINetfn *netfns[MAX_NETFNS / 2]; + + QemuMutex lock; + /* We allow one event in the buffer */ + uint8_t evtbuf[16]; + + QTAILQ_HEAD(, IPMIRcvBufEntry) rcvbufs; +}; + +#define IPMI_BMC_MSG_FLAG_WATCHDOG_TIMEOUT_MASK (1 << 3) +#define IPMI_BMC_MSG_FLAG_EVT_BUF_FULL (1 << 1) +#define IPMI_BMC_MSG_FLAG_RCV_MSG_QUEUE (1 << 0) +#define IPMI_BMC_MSG_FLAG_WATCHDOG_TIMEOUT_MASK_SET(s) \ + (IPMI_BMC_MSG_FLAG_WATCHDOG_TIMEOUT_MASK & (s)->msg_flags) +#define IPMI_BMC_MSG_FLAG_EVT_BUF_FULL_SET(s) \ + (IPMI_BMC_MSG_FLAG_EVT_BUF_FULL & (s)->msg_flags) +#define IPMI_BMC_MSG_FLAG_RCV_MSG_QUEUE_SET(s) \ + (IPMI_BMC_MSG_FLAG_RCV_MSG_QUEUE & (s)->msg_flags) + +#define IPMI_BMC_RCV_MSG_QUEUE_INT_BIT 0 +#define IPMI_BMC_EVBUF_FULL_INT_BIT 1 +#define IPMI_BMC_EVENT_MSG_BUF_BIT 2 +#define IPMI_BMC_EVENT_LOG_BIT 3 +#define IPMI_BMC_MSG_INTS_ON(s) ((s)->bmc_global_enables & \ + (1 << IPMI_BMC_RCV_MSG_QUEUE_INT_BIT)) +#define IPMI_BMC_EVBUF_FULL_INT_ENABLED(s) ((s)->bmc_global_enables & \ + (1 << IPMI_BMC_EVBUF_FULL_INT_BIT)) +#define IPMI_BMC_EVENT_LOG_ENABLED(s) ((s)->bmc_global_enables & \ + (1 << IPMI_BMC_EVENT_LOG_BIT)) +#define IPMI_BMC_EVENT_MSG_BUF_ENABLED(s) ((s)->bmc_global_enables & \ + (1 << IPMI_BMC_EVENT_MSG_BUF_BIT)) + +#define IPMI_BMC_WATCHDOG_USE_MASK 0xc7 +#define IPMI_BMC_WATCHDOG_ACTION_MASK 0x77 +#define IPMI_BMC_WATCHDOG_GET_USE(s) ((s)->watchdog_use & 0x7) +#define IPMI_BMC_WATCHDOG_GET_DONT_LOG(s) (((s)->watchdog_use >> 7) & 0x1) +#define IPMI_BMC_WATCHDOG_GET_DONT_STOP(s) (((s)->watchdog_use >> 6) & 0x1) +#define IPMI_BMC_WATCHDOG_GET_PRE_ACTION(s) (((s)->watchdog_action >> 4) & 0x7) +#define IPMI_BMC_WATCHDOG_PRE_NONE 0 +#define IPMI_BMC_WATCHDOG_PRE_SMI 1 +#define IPMI_BMC_WATCHDOG_PRE_NMI 2 +#define IPMI_BMC_WATCHDOG_PRE_MSG_INT 3 +#define IPMI_BMC_WATCHDOG_GET_ACTION(s) ((s)->watchdog_action & 0x7) +#define IPMI_BMC_WATCHDOG_ACTION_NONE 0 +#define IPMI_BMC_WATCHDOG_ACTION_RESET 1 +#define IPMI_BMC_WATCHDOG_ACTION_POWER_DOWN 2 +#define IPMI_BMC_WATCHDOG_ACTION_POWER_CYCLE 3 + + +/* Add a byte to the response. */ +#define IPMI_ADD_RSP_DATA(b) \ + do { \ + if (*rsp_len >= max_rsp_len) { \ + rsp[2] = IPMI_CC_REQUEST_DATA_TRUNCATED; \ + goto out; \ + } \ + rsp[(*rsp_len)++] = (b); \ + } while (0) + +/* Verify that the received command is a certain length. */ +#define IPMI_CHECK_CMD_LEN(l) \ + if (cmd_len < l) { \ + rsp[2] = IPMI_CC_REQUEST_DATA_LENGTH_INVALID; \ + goto out; \ + } + +/* Check that the reservation in the command is valid. */ +#define IPMI_CHECK_RESERVATION(off, r) \ + do { \ + if ((cmd[off] | (cmd[off + 1] << 8)) != r) { \ + rsp[2] = IPMI_CC_INVALID_RESERVATION; \ + goto out; \ + } \ + } while (0) + + +static void ipmi_sim_handle_timeout(IPMIBmcSim *ibs); + +static void ipmi_gettime(struct ipmi_time *time) +{ + int64_t stime; + + stime = qemu_clock_get_ns(QEMU_CLOCK_HOST); + time->tv_sec = stime / 1000000000LL; + time->tv_nsec = stime % 1000000000LL; +} + +static int64_t ipmi_getmonotime(void) +{ + return qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); +} + +static void ipmi_timeout(void *opaque) +{ + IPMIBmcSim *ibs = opaque; + + ipmi_sim_handle_timeout(ibs); +} + +static void set_timestamp(IPMIBmcSim *ibs, uint8_t *ts) +{ + unsigned int val; + struct ipmi_time now; + + ipmi_gettime(&now); + val = now.tv_sec + ibs->sel.time_offset; + ts[0] = val & 0xff; + ts[1] = (val >> 8) & 0xff; + ts[2] = (val >> 16) & 0xff; + ts[3] = (val >> 24) & 0xff; +} + +static void sdr_inc_reservation(IPMISdr *sdr) +{ + sdr->reservation++; + if (sdr->reservation == 0) { + sdr->reservation = 1; + } +} + +static int sdr_add_entry(IPMIBmcSim *ibs, const uint8_t *entry, + unsigned int len, uint16_t *recid) +{ + if ((len < 5) || (len > 255)) { + return 1; + } + + if (entry[4] != len - 5) { + return 1; + } + + if (ibs->sdr.next_free + len > MAX_SDR_SIZE) { + ibs->sdr.overflow = 1; + return 1; + } + + memcpy(ibs->sdr.sdr + ibs->sdr.next_free, entry, len); + ibs->sdr.sdr[ibs->sdr.next_free] = ibs->sdr.next_rec_id & 0xff; + ibs->sdr.sdr[ibs->sdr.next_free+1] = (ibs->sdr.next_rec_id >> 8) & 0xff; + ibs->sdr.sdr[ibs->sdr.next_free+2] = 0x51; /* Conform to IPMI 1.5 spec */ + + if (recid) { + *recid = ibs->sdr.next_rec_id; + } + ibs->sdr.next_rec_id++; + set_timestamp(ibs, ibs->sdr.last_addition); + ibs->sdr.next_free += len; + sdr_inc_reservation(&ibs->sdr); + return 0; +} + +static int sdr_find_entry(IPMISdr *sdr, uint16_t recid, + unsigned int *retpos, uint16_t *nextrec) +{ + unsigned int pos = *retpos; + + while (pos < sdr->next_free) { + uint16_t trec = sdr->sdr[pos] | (sdr->sdr[pos + 1] << 8); + unsigned int nextpos = pos + sdr->sdr[pos + 4]; + + if (trec == recid) { + if (nextrec) { + if (nextpos >= sdr->next_free) { + *nextrec = 0xffff; + } else { + *nextrec = (sdr->sdr[nextpos] | + (sdr->sdr[nextpos + 1] << 8)); + } + } + *retpos = pos; + return 0; + } + pos = nextpos; + } + return 1; +} + +static void sel_inc_reservation(IPMISel *sel) +{ + sel->reservation++; + if (sel->reservation == 0) { + sel->reservation = 1; + } +} + +/* Returns 1 if the SEL is full and can't hold the event. */ +static int sel_add_event(IPMIBmcSim *ibs, uint8_t *event) +{ + event[0] = 0xff; + event[1] = 0xff; + set_timestamp(ibs, event + 3); + if (ibs->sel.next_free == MAX_SEL_SIZE) { + ibs->sel.overflow = 1; + return 1; + } + event[0] = ibs->sel.next_free & 0xff; + event[1] = (ibs->sel.next_free >> 8) & 0xff; + memcpy(ibs->sel.last_addition, event + 3, 4); + memcpy(ibs->sel.sel[ibs->sel.next_free], event, 16); + ibs->sel.next_free++; + sel_inc_reservation(&ibs->sel); + return 0; +} + +static int attn_set(IPMIBmcSim *ibs) +{ + return IPMI_BMC_MSG_FLAG_RCV_MSG_QUEUE_SET(ibs) + || IPMI_BMC_MSG_FLAG_EVT_BUF_FULL_SET(ibs) + || IPMI_BMC_MSG_FLAG_WATCHDOG_TIMEOUT_MASK_SET(ibs); +} + +static int attn_irq_enabled(IPMIBmcSim *ibs) +{ + return (IPMI_BMC_MSG_INTS_ON(ibs) && IPMI_BMC_MSG_FLAG_RCV_MSG_QUEUE_SET(ibs)) + || (IPMI_BMC_EVBUF_FULL_INT_ENABLED(ibs) && + IPMI_BMC_MSG_FLAG_EVT_BUF_FULL_SET(ibs)); +} + +static void gen_event(IPMIBmcSim *ibs, unsigned int sens_num, uint8_t deassert, + uint8_t evd1, uint8_t evd2, uint8_t evd3) +{ + IPMIInterface *s = ibs->parent.intf; + IPMIInterfaceClass *k = IPMI_INTERFACE_GET_CLASS(s); + uint8_t evt[16]; + IPMISensor *sens = ibs->sensors + sens_num; + + if (!IPMI_BMC_EVENT_MSG_BUF_ENABLED(ibs)) { + return; + } + if (!IPMI_SENSOR_GET_EVENTS_ON(sens)) { + return; + } + + evt[2] = 0x2; /* System event record */ + evt[7] = ibs->parent.slave_addr; + evt[8] = 0; + evt[9] = 0x04; /* Format version */ + evt[10] = sens->sensor_type; + evt[11] = sens_num; + evt[12] = sens->evt_reading_type_code | (!!deassert << 7); + evt[13] = evd1; + evt[14] = evd2; + evt[15] = evd3; + + if (IPMI_BMC_EVENT_LOG_ENABLED(ibs)) { + sel_add_event(ibs, evt); + } + + if (ibs->msg_flags & IPMI_BMC_MSG_FLAG_EVT_BUF_FULL) { + goto out; + } + + memcpy(ibs->evtbuf, evt, 16); + ibs->msg_flags |= IPMI_BMC_MSG_FLAG_EVT_BUF_FULL; + k->set_atn(s, 1, attn_irq_enabled(ibs)); + out: + return; +} + +static void sensor_set_discrete_bit(IPMIBmcSim *ibs, unsigned int sensor, + unsigned int bit, unsigned int val, + uint8_t evd1, uint8_t evd2, uint8_t evd3) +{ + IPMISensor *sens; + uint16_t mask; + + if (sensor >= MAX_SENSORS) { + return; + } + if (bit >= 16) { + return; + } + + mask = (1 << bit); + sens = ibs->sensors + sensor; + if (val) { + sens->states |= mask & sens->states_suppt; + if (sens->assert_states & mask) { + return; /* Already asserted */ + } + sens->assert_states |= mask & sens->assert_suppt; + if (sens->assert_enable & mask & sens->assert_states) { + /* Send an event on assert */ + gen_event(ibs, sensor, 0, evd1, evd2, evd3); + } + } else { + sens->states &= ~(mask & sens->states_suppt); + if (sens->deassert_states & mask) { + return; /* Already deasserted */ + } + sens->deassert_states |= mask & sens->deassert_suppt; + if (sens->deassert_enable & mask & sens->deassert_states) { + /* Send an event on deassert */ + gen_event(ibs, sensor, 1, evd1, evd2, evd3); + } + } +} + +static void ipmi_init_sensors_from_sdrs(IPMIBmcSim *s) +{ + unsigned int i, pos; + IPMISensor *sens; + + for (i = 0; i < MAX_SENSORS; i++) { + memset(s->sensors + i, 0, sizeof(*sens)); + } + + pos = 0; + for (i = 0; !sdr_find_entry(&s->sdr, i, &pos, NULL); i++) { + uint8_t *sdr = s->sdr.sdr + pos; + unsigned int len = sdr[4]; + + if (len < 20) { + continue; + } + if ((sdr[3] < 1) || (sdr[3] > 2)) { + continue; /* Not a sensor SDR we set from */ + } + + if (sdr[7] > MAX_SENSORS) { + continue; + } + sens = s->sensors + sdr[7]; + + IPMI_SENSOR_SET_PRESENT(sens, 1); + IPMI_SENSOR_SET_SCAN_ON(sens, (sdr[10] >> 6) & 1); + IPMI_SENSOR_SET_EVENTS_ON(sens, (sdr[10] >> 5) & 1); + sens->assert_suppt = sdr[14] | (sdr[15] << 8); + sens->deassert_suppt = sdr[16] | (sdr[17] << 8); + sens->states_suppt = sdr[18] | (sdr[19] << 8); + sens->sensor_type = sdr[12]; + sens->evt_reading_type_code = sdr[13] & 0x7f; + + /* Enable all the events that are supported. */ + sens->assert_enable = sens->assert_suppt; + sens->deassert_enable = sens->deassert_suppt; + } +} + +static int ipmi_register_netfn(IPMIBmcSim *s, unsigned int netfn, + const IPMINetfn *netfnd) +{ + if ((netfn & 1) || (netfn > MAX_NETFNS) || (s->netfns[netfn / 2])) { + return -1; + } + s->netfns[netfn / 2] = netfnd; + return 0; +} + +static void next_timeout(IPMIBmcSim *ibs) +{ + int64_t next; + if (ibs->watchdog_running) { + next = ibs->watchdog_expiry; + } else { + /* Wait a minute */ + next = ipmi_getmonotime() + 60 * 1000000000LL; + } + timer_mod_ns(ibs->timer, next); +} + +static void ipmi_sim_handle_command(IPMIBmc *b, + uint8_t *cmd, unsigned int cmd_len, + unsigned int max_cmd_len, + uint8_t msg_id) +{ + IPMIBmcSim *ibs = IPMI_BMC_SIMULATOR(b); + IPMIInterface *s = ibs->parent.intf; + IPMIInterfaceClass *k = IPMI_INTERFACE_GET_CLASS(s); + unsigned int netfn; + uint8_t rsp[MAX_IPMI_MSG_SIZE]; + unsigned int rsp_len_holder = 0; + unsigned int *rsp_len = &rsp_len_holder; + unsigned int max_rsp_len = sizeof(rsp); + + /* Set up the response, set the low bit of NETFN. */ + /* Note that max_rsp_len must be at least 3 */ + IPMI_ADD_RSP_DATA(cmd[0] | 0x04); + IPMI_ADD_RSP_DATA(cmd[1]); + IPMI_ADD_RSP_DATA(0); /* Assume success */ + + /* If it's too short or it was truncated, return an error. */ + if (cmd_len < 2) { + rsp[2] = IPMI_CC_REQUEST_DATA_LENGTH_INVALID; + goto out; + } + if (cmd_len > max_cmd_len) { + rsp[2] = IPMI_CC_REQUEST_DATA_TRUNCATED; + goto out; + } + + if ((cmd[0] & 0x03) != 0) { + /* Only have stuff on LUN 0 */ + rsp[2] = IPMI_CC_COMMAND_INVALID_FOR_LUN; + goto out; + } + + netfn = cmd[0] >> 2; + + /* Odd netfns are not valid, make sure the command is registered */ + if ((netfn & 1) || !ibs->netfns[netfn / 2] || + (cmd[1] >= ibs->netfns[netfn / 2]->cmd_nums) || + (!ibs->netfns[netfn / 2]->cmd_handlers[cmd[1]])) { + rsp[2] = IPMI_CC_INVALID_CMD; + goto out; + } + + ibs->netfns[netfn / 2]->cmd_handlers[cmd[1]](ibs, cmd, cmd_len, rsp, rsp_len, + max_rsp_len); + + out: + k->handle_rsp(s, msg_id, rsp, *rsp_len); + + next_timeout(ibs); +} + +static void ipmi_sim_handle_timeout(IPMIBmcSim *ibs) +{ + IPMIInterface *s = ibs->parent.intf; + IPMIInterfaceClass *k = IPMI_INTERFACE_GET_CLASS(s); + + if (!ibs->watchdog_running) { + goto out; + } + + if (!ibs->watchdog_preaction_ran) { + switch (IPMI_BMC_WATCHDOG_GET_PRE_ACTION(ibs)) { + case IPMI_BMC_WATCHDOG_PRE_NMI: + ibs->msg_flags |= IPMI_BMC_MSG_FLAG_WATCHDOG_TIMEOUT_MASK; + k->do_hw_op(s, IPMI_SEND_NMI, 0); + sensor_set_discrete_bit(ibs, IPMI_WATCHDOG_SENSOR, 8, 1, + 0xc8, (2 << 4) | 0xf, 0xff); + break; + + case IPMI_BMC_WATCHDOG_PRE_MSG_INT: + ibs->msg_flags |= IPMI_BMC_MSG_FLAG_WATCHDOG_TIMEOUT_MASK; + k->set_atn(s, 1, attn_irq_enabled(ibs)); + sensor_set_discrete_bit(ibs, IPMI_WATCHDOG_SENSOR, 8, 1, + 0xc8, (3 << 4) | 0xf, 0xff); + break; + + default: + goto do_full_expiry; + } + + ibs->watchdog_preaction_ran = 1; + /* Issued the pretimeout, do the rest of the timeout now. */ + ibs->watchdog_expiry = ipmi_getmonotime(); + ibs->watchdog_expiry += ibs->watchdog_pretimeout * 1000000000LL; + goto out; + } + + do_full_expiry: + ibs->watchdog_running = 0; /* Stop the watchdog on a timeout */ + ibs->watchdog_expired |= (1 << IPMI_BMC_WATCHDOG_GET_USE(ibs)); + switch (IPMI_BMC_WATCHDOG_GET_ACTION(ibs)) { + case IPMI_BMC_WATCHDOG_ACTION_NONE: + sensor_set_discrete_bit(ibs, IPMI_WATCHDOG_SENSOR, 0, 1, + 0xc0, ibs->watchdog_use & 0xf, 0xff); + break; + + case IPMI_BMC_WATCHDOG_ACTION_RESET: + sensor_set_discrete_bit(ibs, IPMI_WATCHDOG_SENSOR, 1, 1, + 0xc1, ibs->watchdog_use & 0xf, 0xff); + k->do_hw_op(s, IPMI_RESET_CHASSIS, 0); + break; + + case IPMI_BMC_WATCHDOG_ACTION_POWER_DOWN: + sensor_set_discrete_bit(ibs, IPMI_WATCHDOG_SENSOR, 2, 1, + 0xc2, ibs->watchdog_use & 0xf, 0xff); + k->do_hw_op(s, IPMI_POWEROFF_CHASSIS, 0); + break; + + case IPMI_BMC_WATCHDOG_ACTION_POWER_CYCLE: + sensor_set_discrete_bit(ibs, IPMI_WATCHDOG_SENSOR, 2, 1, + 0xc3, ibs->watchdog_use & 0xf, 0xff); + k->do_hw_op(s, IPMI_POWERCYCLE_CHASSIS, 0); + break; + } + + out: + next_timeout(ibs); +} + +static void chassis_capabilities(IPMIBmcSim *ibs, + uint8_t *cmd, unsigned int cmd_len, + uint8_t *rsp, unsigned int *rsp_len, + unsigned int max_rsp_len) +{ + IPMI_ADD_RSP_DATA(0); + IPMI_ADD_RSP_DATA(ibs->parent.slave_addr); + IPMI_ADD_RSP_DATA(ibs->parent.slave_addr); + IPMI_ADD_RSP_DATA(ibs->parent.slave_addr); + IPMI_ADD_RSP_DATA(ibs->parent.slave_addr); + out: + return; +} + +static void chassis_status(IPMIBmcSim *ibs, + uint8_t *cmd, unsigned int cmd_len, + uint8_t *rsp, unsigned int *rsp_len, + unsigned int max_rsp_len) +{ + IPMI_ADD_RSP_DATA(0x61); /* Unknown power restore, power is on */ + IPMI_ADD_RSP_DATA(0); + IPMI_ADD_RSP_DATA(0); + IPMI_ADD_RSP_DATA(0); + out: + return; +} + +static void chassis_control(IPMIBmcSim *ibs, + uint8_t *cmd, unsigned int cmd_len, + uint8_t *rsp, unsigned int *rsp_len, + unsigned int max_rsp_len) +{ + IPMIInterface *s = ibs->parent.intf; + IPMIInterfaceClass *k = IPMI_INTERFACE_GET_CLASS(s); + + IPMI_CHECK_CMD_LEN(3); + switch (cmd[2] & 0xf) { + case 0: /* power down */ + rsp[2] = k->do_hw_op(s, IPMI_POWEROFF_CHASSIS, 0); + break; + case 1: /* power up */ + rsp[2] = k->do_hw_op(s, IPMI_POWERON_CHASSIS, 0); + break; + case 2: /* power cycle */ + rsp[2] = k->do_hw_op(s, IPMI_POWERCYCLE_CHASSIS, 0); + break; + case 3: /* hard reset */ + rsp[2] = k->do_hw_op(s, IPMI_RESET_CHASSIS, 0); + break; + case 4: /* pulse diagnostic interrupt */ + rsp[2] = k->do_hw_op(s, IPMI_PULSE_DIAG_IRQ, 0); + break; + case 5: /* soft shutdown via ACPI by overtemp emulation */ + rsp[2] = k->do_hw_op(s, + IPMI_SHUTDOWN_VIA_ACPI_OVERTEMP, 0); + break; + default: + rsp[2] = IPMI_CC_INVALID_DATA_FIELD; + goto out; + } + out: + return; +} + +static void get_device_id(IPMIBmcSim *ibs, + uint8_t *cmd, unsigned int cmd_len, + uint8_t *rsp, unsigned int *rsp_len, + unsigned int max_rsp_len) +{ + IPMI_ADD_RSP_DATA(ibs->device_id); + IPMI_ADD_RSP_DATA(ibs->device_rev & 0xf); + IPMI_ADD_RSP_DATA(ibs->fwrev1 & 0x7f); + IPMI_ADD_RSP_DATA(ibs->fwrev2); + IPMI_ADD_RSP_DATA(ibs->ipmi_version); + IPMI_ADD_RSP_DATA(0x07); /* sensor, SDR, and SEL. */ + IPMI_ADD_RSP_DATA(ibs->mfg_id[0]); + IPMI_ADD_RSP_DATA(ibs->mfg_id[1]); + IPMI_ADD_RSP_DATA(ibs->mfg_id[2]); + IPMI_ADD_RSP_DATA(ibs->product_id[0]); + IPMI_ADD_RSP_DATA(ibs->product_id[1]); + out: + return; +} + +static void set_global_enables(IPMIBmcSim *ibs, uint8_t val) +{ + IPMIInterface *s = ibs->parent.intf; + IPMIInterfaceClass *k = IPMI_INTERFACE_GET_CLASS(s); + bool irqs_on; + + ibs->bmc_global_enables = val; + + irqs_on = val & (IPMI_BMC_EVBUF_FULL_INT_BIT | + IPMI_BMC_RCV_MSG_QUEUE_INT_BIT); + + k->set_irq_enable(s, irqs_on); +} + +static void cold_reset(IPMIBmcSim *ibs, + uint8_t *cmd, unsigned int cmd_len, + uint8_t *rsp, unsigned int *rsp_len, + unsigned int max_rsp_len) +{ + IPMIInterface *s = ibs->parent.intf; + IPMIInterfaceClass *k = IPMI_INTERFACE_GET_CLASS(s); + + /* Disable all interrupts */ + set_global_enables(ibs, 1 << IPMI_BMC_EVENT_LOG_BIT); + + if (k->reset) { + k->reset(s, true); + } +} + +static void warm_reset(IPMIBmcSim *ibs, + uint8_t *cmd, unsigned int cmd_len, + uint8_t *rsp, unsigned int *rsp_len, + unsigned int max_rsp_len) +{ + IPMIInterface *s = ibs->parent.intf; + IPMIInterfaceClass *k = IPMI_INTERFACE_GET_CLASS(s); + + if (k->reset) { + k->reset(s, false); + } +} + +static void set_bmc_global_enables(IPMIBmcSim *ibs, + uint8_t *cmd, unsigned int cmd_len, + uint8_t *rsp, unsigned int *rsp_len, + unsigned int max_rsp_len) +{ + IPMI_CHECK_CMD_LEN(3); + set_global_enables(ibs, cmd[2]); + out: + return; +} + +static void get_bmc_global_enables(IPMIBmcSim *ibs, + uint8_t *cmd, unsigned int cmd_len, + uint8_t *rsp, unsigned int *rsp_len, + unsigned int max_rsp_len) +{ + IPMI_ADD_RSP_DATA(ibs->bmc_global_enables); + out: + return; +} + +static void clr_msg_flags(IPMIBmcSim *ibs, + uint8_t *cmd, unsigned int cmd_len, + uint8_t *rsp, unsigned int *rsp_len, + unsigned int max_rsp_len) +{ + IPMIInterface *s = ibs->parent.intf; + IPMIInterfaceClass *k = IPMI_INTERFACE_GET_CLASS(s); + + IPMI_CHECK_CMD_LEN(3); + ibs->msg_flags &= ~cmd[2]; + k->set_atn(s, attn_set(ibs), attn_irq_enabled(ibs)); + out: + return; +} + +static void get_msg_flags(IPMIBmcSim *ibs, + uint8_t *cmd, unsigned int cmd_len, + uint8_t *rsp, unsigned int *rsp_len, + unsigned int max_rsp_len) +{ + IPMI_ADD_RSP_DATA(ibs->msg_flags); + out: + return; +} + +static void read_evt_msg_buf(IPMIBmcSim *ibs, + uint8_t *cmd, unsigned int cmd_len, + uint8_t *rsp, unsigned int *rsp_len, + unsigned int max_rsp_len) +{ + IPMIInterface *s = ibs->parent.intf; + IPMIInterfaceClass *k = IPMI_INTERFACE_GET_CLASS(s); + unsigned int i; + + if (!(ibs->msg_flags & IPMI_BMC_MSG_FLAG_EVT_BUF_FULL)) { + rsp[2] = 0x80; + goto out; + } + for (i = 0; i < 16; i++) { + IPMI_ADD_RSP_DATA(ibs->evtbuf[i]); + } + ibs->msg_flags &= ~IPMI_BMC_MSG_FLAG_EVT_BUF_FULL; + k->set_atn(s, attn_set(ibs), attn_irq_enabled(ibs)); + out: + return; +} + +static void get_msg(IPMIBmcSim *ibs, + uint8_t *cmd, unsigned int cmd_len, + uint8_t *rsp, unsigned int *rsp_len, + unsigned int max_rsp_len) +{ + IPMIRcvBufEntry *msg; + + qemu_mutex_lock(&ibs->lock); + if (QTAILQ_EMPTY(&ibs->rcvbufs)) { + rsp[2] = 0x80; /* Queue empty */ + goto out; + } + rsp[3] = 0; /* Channel 0 */ + *rsp_len += 1; + msg = QTAILQ_FIRST(&ibs->rcvbufs); + memcpy(rsp + 4, msg->buf, msg->len); + *rsp_len += msg->len; + QTAILQ_REMOVE(&ibs->rcvbufs, msg, entry); + g_free(msg); + + if (QTAILQ_EMPTY(&ibs->rcvbufs)) { + IPMIInterface *s = ibs->parent.intf; + IPMIInterfaceClass *k = IPMI_INTERFACE_GET_CLASS(s); + + ibs->msg_flags &= ~IPMI_BMC_MSG_FLAG_RCV_MSG_QUEUE; + k->set_atn(s, attn_set(ibs), attn_irq_enabled(ibs)); + } + + out: + qemu_mutex_unlock(&ibs->lock); + return; +} + +static unsigned char +ipmb_checksum(unsigned char *data, int size, unsigned char csum) +{ + for (; size > 0; size--, data++) { + csum += *data; + } + + return -csum; +} + +static void send_msg(IPMIBmcSim *ibs, + uint8_t *cmd, unsigned int cmd_len, + uint8_t *rsp, unsigned int *rsp_len, + unsigned int max_rsp_len) +{ + IPMIInterface *s = ibs->parent.intf; + IPMIInterfaceClass *k = IPMI_INTERFACE_GET_CLASS(s); + IPMIRcvBufEntry *msg; + uint8_t *buf; + uint8_t netfn, rqLun, rsLun, rqSeq; + + IPMI_CHECK_CMD_LEN(3); + + if (cmd[2] != 0) { + /* We only handle channel 0 with no options */ + rsp[2] = IPMI_CC_INVALID_DATA_FIELD; + goto out; + } + + IPMI_CHECK_CMD_LEN(10); + if (cmd[3] != 0x40) { + /* We only emulate a MC at address 0x40. */ + rsp[2] = 0x83; /* NAK on write */ + goto out; + } + + cmd += 3; /* Skip the header. */ + cmd_len -= 3; + + /* + * At this point we "send" the message successfully. Any error will + * be returned in the response. + */ + if (ipmb_checksum(cmd, cmd_len, 0) != 0 || + cmd[3] != 0x20) { /* Improper response address */ + goto out; /* No response */ + } + + netfn = cmd[1] >> 2; + rqLun = cmd[4] & 0x3; + rsLun = cmd[1] & 0x3; + rqSeq = cmd[4] >> 2; + + if (rqLun != 2) { + /* We only support LUN 2 coming back to us. */ + goto out; + } + + msg = g_malloc(sizeof(*msg)); + msg->buf[0] = ((netfn | 1) << 2) | rqLun; /* NetFN, and make a response */ + msg->buf[1] = ipmb_checksum(msg->buf, 1, 0); + msg->buf[2] = cmd[0]; /* rsSA */ + msg->buf[3] = (rqSeq << 2) | rsLun; + msg->buf[4] = cmd[5]; /* Cmd */ + msg->buf[5] = 0; /* Completion Code */ + msg->len = 6; + + if ((cmd[1] >> 2) != IPMI_NETFN_APP || cmd[5] != IPMI_CMD_GET_DEVICE_ID) { + /* Not a command we handle. */ + msg->buf[5] = IPMI_CC_INVALID_CMD; + goto end_msg; + } + + buf = msg->buf + msg->len; /* After the CC */ + buf[0] = 0; + buf[1] = 0; + buf[2] = 0; + buf[3] = 0; + buf[4] = 0x51; + buf[5] = 0; + buf[6] = 0; + buf[7] = 0; + buf[8] = 0; + buf[9] = 0; + buf[10] = 0; + msg->len += 11; + + end_msg: + msg->buf[msg->len] = ipmb_checksum(msg->buf, msg->len, 0); + msg->len++; + qemu_mutex_lock(&ibs->lock); + QTAILQ_INSERT_TAIL(&ibs->rcvbufs, msg, entry); + ibs->msg_flags |= IPMI_BMC_MSG_FLAG_RCV_MSG_QUEUE; + k->set_atn(s, 1, attn_irq_enabled(ibs)); + qemu_mutex_unlock(&ibs->lock); + + out: + return; +} + +static void do_watchdog_reset(IPMIBmcSim *ibs) +{ + if (IPMI_BMC_WATCHDOG_GET_ACTION(ibs) == + IPMI_BMC_WATCHDOG_ACTION_NONE) { + ibs->watchdog_running = 0; + return; + } + ibs->watchdog_preaction_ran = 0; + + + /* Timeout is in tenths of a second, offset is in seconds */ + ibs->watchdog_expiry = ipmi_getmonotime(); + ibs->watchdog_expiry += ibs->watchdog_timeout * 100000000LL; + if (IPMI_BMC_WATCHDOG_GET_PRE_ACTION(ibs) != IPMI_BMC_WATCHDOG_PRE_NONE) { + ibs->watchdog_expiry -= ibs->watchdog_pretimeout * 1000000000LL; + } + ibs->watchdog_running = 1; +} + +static void reset_watchdog_timer(IPMIBmcSim *ibs, + uint8_t *cmd, unsigned int cmd_len, + uint8_t *rsp, unsigned int *rsp_len, + unsigned int max_rsp_len) +{ + if (!ibs->watchdog_initialized) { + rsp[2] = 0x80; + goto out; + } + do_watchdog_reset(ibs); + out: + return; +} + +static void set_watchdog_timer(IPMIBmcSim *ibs, + uint8_t *cmd, unsigned int cmd_len, + uint8_t *rsp, unsigned int *rsp_len, + unsigned int max_rsp_len) +{ + IPMIInterface *s = ibs->parent.intf; + IPMIInterfaceClass *k = IPMI_INTERFACE_GET_CLASS(s); + unsigned int val; + + IPMI_CHECK_CMD_LEN(8); + val = cmd[2] & 0x7; /* Validate use */ + if (val == 0 || val > 5) { + rsp[2] = IPMI_CC_INVALID_DATA_FIELD; + goto out; + } + val = cmd[3] & 0x7; /* Validate action */ + switch (val) { + case IPMI_BMC_WATCHDOG_ACTION_NONE: + break; + + case IPMI_BMC_WATCHDOG_ACTION_RESET: + rsp[2] = k->do_hw_op(s, IPMI_RESET_CHASSIS, 1); + break; + + case IPMI_BMC_WATCHDOG_ACTION_POWER_DOWN: + rsp[2] = k->do_hw_op(s, IPMI_POWEROFF_CHASSIS, 1); + break; + + case IPMI_BMC_WATCHDOG_ACTION_POWER_CYCLE: + rsp[2] = k->do_hw_op(s, IPMI_POWERCYCLE_CHASSIS, 1); + break; + + default: + rsp[2] = IPMI_CC_INVALID_DATA_FIELD; + } + if (rsp[2]) { + rsp[2] = IPMI_CC_INVALID_DATA_FIELD; + goto out; + } + + val = (cmd[3] >> 4) & 0x7; /* Validate preaction */ + switch (val) { + case IPMI_BMC_WATCHDOG_PRE_MSG_INT: + case IPMI_BMC_WATCHDOG_PRE_NONE: + break; + + case IPMI_BMC_WATCHDOG_PRE_NMI: + if (!k->do_hw_op(s, IPMI_SEND_NMI, 1)) { + /* NMI not supported. */ + rsp[2] = IPMI_CC_INVALID_DATA_FIELD; + goto out; + } + default: + /* We don't support PRE_SMI */ + rsp[2] = IPMI_CC_INVALID_DATA_FIELD; + goto out; + } + + ibs->watchdog_initialized = 1; + ibs->watchdog_use = cmd[2] & IPMI_BMC_WATCHDOG_USE_MASK; + ibs->watchdog_action = cmd[3] & IPMI_BMC_WATCHDOG_ACTION_MASK; + ibs->watchdog_pretimeout = cmd[4]; + ibs->watchdog_expired &= ~cmd[5]; + ibs->watchdog_timeout = cmd[6] | (((uint16_t) cmd[7]) << 8); + if (ibs->watchdog_running & IPMI_BMC_WATCHDOG_GET_DONT_STOP(ibs)) { + do_watchdog_reset(ibs); + } else { + ibs->watchdog_running = 0; + } + out: + return; +} + +static void get_watchdog_timer(IPMIBmcSim *ibs, + uint8_t *cmd, unsigned int cmd_len, + uint8_t *rsp, unsigned int *rsp_len, + unsigned int max_rsp_len) +{ + IPMI_ADD_RSP_DATA(ibs->watchdog_use); + IPMI_ADD_RSP_DATA(ibs->watchdog_action); + IPMI_ADD_RSP_DATA(ibs->watchdog_pretimeout); + IPMI_ADD_RSP_DATA(ibs->watchdog_expired); + if (ibs->watchdog_running) { + long timeout; + timeout = ((ibs->watchdog_expiry - ipmi_getmonotime() + 50000000) + / 100000000); + IPMI_ADD_RSP_DATA(timeout & 0xff); + IPMI_ADD_RSP_DATA((timeout >> 8) & 0xff); + } else { + IPMI_ADD_RSP_DATA(0); + IPMI_ADD_RSP_DATA(0); + } + out: + return; +} + +static void get_sdr_rep_info(IPMIBmcSim *ibs, + uint8_t *cmd, unsigned int cmd_len, + uint8_t *rsp, unsigned int *rsp_len, + unsigned int max_rsp_len) +{ + unsigned int i; + + IPMI_ADD_RSP_DATA(0x51); /* Conform to IPMI 1.5 spec */ + IPMI_ADD_RSP_DATA(ibs->sdr.next_rec_id & 0xff); + IPMI_ADD_RSP_DATA((ibs->sdr.next_rec_id >> 8) & 0xff); + IPMI_ADD_RSP_DATA((MAX_SDR_SIZE - ibs->sdr.next_free) & 0xff); + IPMI_ADD_RSP_DATA(((MAX_SDR_SIZE - ibs->sdr.next_free) >> 8) & 0xff); + for (i = 0; i < 4; i++) { + IPMI_ADD_RSP_DATA(ibs->sdr.last_addition[i]); + } + for (i = 0; i < 4; i++) { + IPMI_ADD_RSP_DATA(ibs->sdr.last_clear[i]); + } + /* Only modal support, reserve supported */ + IPMI_ADD_RSP_DATA((ibs->sdr.overflow << 7) | 0x22); + out: + return; +} + +static void reserve_sdr_rep(IPMIBmcSim *ibs, + uint8_t *cmd, unsigned int cmd_len, + uint8_t *rsp, unsigned int *rsp_len, + unsigned int max_rsp_len) +{ + IPMI_ADD_RSP_DATA(ibs->sdr.reservation & 0xff); + IPMI_ADD_RSP_DATA((ibs->sdr.reservation >> 8) & 0xff); + out: + return; +} + +static void get_sdr(IPMIBmcSim *ibs, + uint8_t *cmd, unsigned int cmd_len, + uint8_t *rsp, unsigned int *rsp_len, + unsigned int max_rsp_len) +{ + unsigned int pos; + uint16_t nextrec; + + IPMI_CHECK_CMD_LEN(8); + if (cmd[6]) { + IPMI_CHECK_RESERVATION(2, ibs->sdr.reservation); + } + pos = 0; + if (sdr_find_entry(&ibs->sdr, cmd[4] | (cmd[5] << 8), + &pos, &nextrec)) { + rsp[2] = IPMI_CC_REQ_ENTRY_NOT_PRESENT; + goto out; + } + if (cmd[6] > (ibs->sdr.sdr[pos + 4])) { + rsp[2] = IPMI_CC_PARM_OUT_OF_RANGE; + goto out; + } + + IPMI_ADD_RSP_DATA(nextrec & 0xff); + IPMI_ADD_RSP_DATA((nextrec >> 8) & 0xff); + + if (cmd[7] == 0xff) { + cmd[7] = ibs->sdr.sdr[pos + 4] - cmd[6]; + } + + if ((cmd[7] + *rsp_len) > max_rsp_len) { + rsp[2] = IPMI_CC_CANNOT_RETURN_REQ_NUM_BYTES; + goto out; + } + memcpy(rsp + *rsp_len, ibs->sdr.sdr + pos + cmd[6], cmd[7]); + *rsp_len += cmd[7]; + out: + return; +} + +static void add_sdr(IPMIBmcSim *ibs, + uint8_t *cmd, unsigned int cmd_len, + uint8_t *rsp, unsigned int *rsp_len, + unsigned int max_rsp_len) +{ + uint16_t recid; + + if (sdr_add_entry(ibs, cmd + 2, cmd_len - 2, &recid)) { + rsp[2] = IPMI_CC_INVALID_DATA_FIELD; + goto out; + } + IPMI_ADD_RSP_DATA(recid & 0xff); + IPMI_ADD_RSP_DATA((recid >> 8) & 0xff); + out: + return; +} + +static void clear_sdr_rep(IPMIBmcSim *ibs, + uint8_t *cmd, unsigned int cmd_len, + uint8_t *rsp, unsigned int *rsp_len, + unsigned int max_rsp_len) +{ + IPMI_CHECK_CMD_LEN(8); + IPMI_CHECK_RESERVATION(2, ibs->sdr.reservation); + if (cmd[4] != 'C' || cmd[5] != 'L' || cmd[6] != 'R') { + rsp[2] = IPMI_CC_INVALID_DATA_FIELD; + goto out; + } + if (cmd[7] == 0xaa) { + ibs->sdr.next_free = 0; + ibs->sdr.overflow = 0; + set_timestamp(ibs, ibs->sdr.last_clear); + IPMI_ADD_RSP_DATA(1); /* Erasure complete */ + sdr_inc_reservation(&ibs->sdr); + } else if (cmd[7] == 0) { + IPMI_ADD_RSP_DATA(1); /* Erasure complete */ + } else { + rsp[2] = IPMI_CC_INVALID_DATA_FIELD; + goto out; + } + out: + return; +} + +static void get_sel_info(IPMIBmcSim *ibs, + uint8_t *cmd, unsigned int cmd_len, + uint8_t *rsp, unsigned int *rsp_len, + unsigned int max_rsp_len) +{ + unsigned int i, val; + + IPMI_ADD_RSP_DATA(0x51); /* Conform to IPMI 1.5 */ + IPMI_ADD_RSP_DATA(ibs->sel.next_free & 0xff); + IPMI_ADD_RSP_DATA((ibs->sel.next_free >> 8) & 0xff); + val = (MAX_SEL_SIZE - ibs->sel.next_free) * 16; + IPMI_ADD_RSP_DATA(val & 0xff); + IPMI_ADD_RSP_DATA((val >> 8) & 0xff); + for (i = 0; i < 4; i++) { + IPMI_ADD_RSP_DATA(ibs->sel.last_addition[i]); + } + for (i = 0; i < 4; i++) { + IPMI_ADD_RSP_DATA(ibs->sel.last_clear[i]); + } + /* Only support Reserve SEL */ + IPMI_ADD_RSP_DATA((ibs->sel.overflow << 7) | 0x02); + out: + return; +} + +static void reserve_sel(IPMIBmcSim *ibs, + uint8_t *cmd, unsigned int cmd_len, + uint8_t *rsp, unsigned int *rsp_len, + unsigned int max_rsp_len) +{ + IPMI_ADD_RSP_DATA(ibs->sel.reservation & 0xff); + IPMI_ADD_RSP_DATA((ibs->sel.reservation >> 8) & 0xff); + out: + return; +} + +static void get_sel_entry(IPMIBmcSim *ibs, + uint8_t *cmd, unsigned int cmd_len, + uint8_t *rsp, unsigned int *rsp_len, + unsigned int max_rsp_len) +{ + unsigned int val; + + IPMI_CHECK_CMD_LEN(8); + if (cmd[6]) { + IPMI_CHECK_RESERVATION(2, ibs->sel.reservation); + } + if (ibs->sel.next_free == 0) { + rsp[2] = IPMI_CC_REQ_ENTRY_NOT_PRESENT; + goto out; + } + if (cmd[6] > 15) { + rsp[2] = IPMI_CC_INVALID_DATA_FIELD; + goto out; + } + if (cmd[7] == 0xff) { + cmd[7] = 16; + } else if ((cmd[7] + cmd[6]) > 16) { + rsp[2] = IPMI_CC_INVALID_DATA_FIELD; + goto out; + } else { + cmd[7] += cmd[6]; + } + + val = cmd[4] | (cmd[5] << 8); + if (val == 0xffff) { + val = ibs->sel.next_free - 1; + } else if (val >= ibs->sel.next_free) { + rsp[2] = IPMI_CC_REQ_ENTRY_NOT_PRESENT; + goto out; + } + if ((val + 1) == ibs->sel.next_free) { + IPMI_ADD_RSP_DATA(0xff); + IPMI_ADD_RSP_DATA(0xff); + } else { + IPMI_ADD_RSP_DATA((val + 1) & 0xff); + IPMI_ADD_RSP_DATA(((val + 1) >> 8) & 0xff); + } + for (; cmd[6] < cmd[7]; cmd[6]++) { + IPMI_ADD_RSP_DATA(ibs->sel.sel[val][cmd[6]]); + } + out: + return; +} + +static void add_sel_entry(IPMIBmcSim *ibs, + uint8_t *cmd, unsigned int cmd_len, + uint8_t *rsp, unsigned int *rsp_len, + unsigned int max_rsp_len) +{ + IPMI_CHECK_CMD_LEN(18); + if (sel_add_event(ibs, cmd + 2)) { + rsp[2] = IPMI_CC_OUT_OF_SPACE; + goto out; + } + /* sel_add_event fills in the record number. */ + IPMI_ADD_RSP_DATA(cmd[2]); + IPMI_ADD_RSP_DATA(cmd[3]); + out: + return; +} + +static void clear_sel(IPMIBmcSim *ibs, + uint8_t *cmd, unsigned int cmd_len, + uint8_t *rsp, unsigned int *rsp_len, + unsigned int max_rsp_len) +{ + IPMI_CHECK_CMD_LEN(8); + IPMI_CHECK_RESERVATION(2, ibs->sel.reservation); + if (cmd[4] != 'C' || cmd[5] != 'L' || cmd[6] != 'R') { + rsp[2] = IPMI_CC_INVALID_DATA_FIELD; + goto out; + } + if (cmd[7] == 0xaa) { + ibs->sel.next_free = 0; + ibs->sel.overflow = 0; + set_timestamp(ibs, ibs->sdr.last_clear); + IPMI_ADD_RSP_DATA(1); /* Erasure complete */ + sel_inc_reservation(&ibs->sel); + } else if (cmd[7] == 0) { + IPMI_ADD_RSP_DATA(1); /* Erasure complete */ + } else { + rsp[2] = IPMI_CC_INVALID_DATA_FIELD; + goto out; + } + out: + return; +} + +static void get_sel_time(IPMIBmcSim *ibs, + uint8_t *cmd, unsigned int cmd_len, + uint8_t *rsp, unsigned int *rsp_len, + unsigned int max_rsp_len) +{ + uint32_t val; + struct ipmi_time now; + + ipmi_gettime(&now); + val = now.tv_sec + ibs->sel.time_offset; + IPMI_ADD_RSP_DATA(val & 0xff); + IPMI_ADD_RSP_DATA((val >> 8) & 0xff); + IPMI_ADD_RSP_DATA((val >> 16) & 0xff); + IPMI_ADD_RSP_DATA((val >> 24) & 0xff); + out: + return; +} + +static void set_sel_time(IPMIBmcSim *ibs, + uint8_t *cmd, unsigned int cmd_len, + uint8_t *rsp, unsigned int *rsp_len, + unsigned int max_rsp_len) +{ + uint32_t val; + struct ipmi_time now; + + IPMI_CHECK_CMD_LEN(6); + val = cmd[2] | (cmd[3] << 8) | (cmd[4] << 16) | (cmd[5] << 24); + ipmi_gettime(&now); + ibs->sel.time_offset = now.tv_sec - ((long) val); + out: + return; +} + +static void set_sensor_evt_enable(IPMIBmcSim *ibs, + uint8_t *cmd, unsigned int cmd_len, + uint8_t *rsp, unsigned int *rsp_len, + unsigned int max_rsp_len) +{ + IPMISensor *sens; + + IPMI_CHECK_CMD_LEN(4); + if ((cmd[2] > MAX_SENSORS) || + !IPMI_SENSOR_GET_PRESENT(ibs->sensors + cmd[2])) { + rsp[2] = IPMI_CC_REQ_ENTRY_NOT_PRESENT; + goto out; + } + sens = ibs->sensors + cmd[2]; + switch ((cmd[3] >> 4) & 0x3) { + case 0: /* Do not change */ + break; + case 1: /* Enable bits */ + if (cmd_len > 4) { + sens->assert_enable |= cmd[4]; + } + if (cmd_len > 5) { + sens->assert_enable |= cmd[5] << 8; + } + if (cmd_len > 6) { + sens->deassert_enable |= cmd[6]; + } + if (cmd_len > 7) { + sens->deassert_enable |= cmd[7] << 8; + } + break; + case 2: /* Disable bits */ + if (cmd_len > 4) { + sens->assert_enable &= ~cmd[4]; + } + if (cmd_len > 5) { + sens->assert_enable &= ~(cmd[5] << 8); + } + if (cmd_len > 6) { + sens->deassert_enable &= ~cmd[6]; + } + if (cmd_len > 7) { + sens->deassert_enable &= ~(cmd[7] << 8); + } + break; + case 3: + rsp[2] = IPMI_CC_INVALID_DATA_FIELD; + goto out; + } + IPMI_SENSOR_SET_RET_STATUS(sens, cmd[3]); + out: + return; +} + +static void get_sensor_evt_enable(IPMIBmcSim *ibs, + uint8_t *cmd, unsigned int cmd_len, + uint8_t *rsp, unsigned int *rsp_len, + unsigned int max_rsp_len) +{ + IPMISensor *sens; + + IPMI_CHECK_CMD_LEN(3); + if ((cmd[2] > MAX_SENSORS) || + !IPMI_SENSOR_GET_PRESENT(ibs->sensors + cmd[2])) { + rsp[2] = IPMI_CC_REQ_ENTRY_NOT_PRESENT; + goto out; + } + sens = ibs->sensors + cmd[2]; + IPMI_ADD_RSP_DATA(IPMI_SENSOR_GET_RET_STATUS(sens)); + IPMI_ADD_RSP_DATA(sens->assert_enable & 0xff); + IPMI_ADD_RSP_DATA((sens->assert_enable >> 8) & 0xff); + IPMI_ADD_RSP_DATA(sens->deassert_enable & 0xff); + IPMI_ADD_RSP_DATA((sens->deassert_enable >> 8) & 0xff); + out: + return; +} + +static void rearm_sensor_evts(IPMIBmcSim *ibs, + uint8_t *cmd, unsigned int cmd_len, + uint8_t *rsp, unsigned int *rsp_len, + unsigned int max_rsp_len) +{ + IPMISensor *sens; + + IPMI_CHECK_CMD_LEN(4); + if ((cmd[2] > MAX_SENSORS) || + !IPMI_SENSOR_GET_PRESENT(ibs->sensors + cmd[2])) { + rsp[2] = IPMI_CC_REQ_ENTRY_NOT_PRESENT; + goto out; + } + sens = ibs->sensors + cmd[2]; + + if ((cmd[3] & 0x80) == 0) { + /* Just clear everything */ + sens->states = 0; + goto out; + } + out: + return; +} + +static void get_sensor_evt_status(IPMIBmcSim *ibs, + uint8_t *cmd, unsigned int cmd_len, + uint8_t *rsp, unsigned int *rsp_len, + unsigned int max_rsp_len) +{ + IPMISensor *sens; + + IPMI_CHECK_CMD_LEN(3); + if ((cmd[2] > MAX_SENSORS) || + !IPMI_SENSOR_GET_PRESENT(ibs->sensors + cmd[2])) { + rsp[2] = IPMI_CC_REQ_ENTRY_NOT_PRESENT; + goto out; + } + sens = ibs->sensors + cmd[2]; + IPMI_ADD_RSP_DATA(sens->reading); + IPMI_ADD_RSP_DATA(IPMI_SENSOR_GET_RET_STATUS(sens)); + IPMI_ADD_RSP_DATA(sens->assert_states & 0xff); + IPMI_ADD_RSP_DATA((sens->assert_states >> 8) & 0xff); + IPMI_ADD_RSP_DATA(sens->deassert_states & 0xff); + IPMI_ADD_RSP_DATA((sens->deassert_states >> 8) & 0xff); + out: + return; +} + +static void get_sensor_reading(IPMIBmcSim *ibs, + uint8_t *cmd, unsigned int cmd_len, + uint8_t *rsp, unsigned int *rsp_len, + unsigned int max_rsp_len) +{ + IPMISensor *sens; + + IPMI_CHECK_CMD_LEN(3); + if ((cmd[2] > MAX_SENSORS) || + !IPMI_SENSOR_GET_PRESENT(ibs->sensors + cmd[2])) { + rsp[2] = IPMI_CC_REQ_ENTRY_NOT_PRESENT; + goto out; + } + sens = ibs->sensors + cmd[2]; + IPMI_ADD_RSP_DATA(sens->reading); + IPMI_ADD_RSP_DATA(IPMI_SENSOR_GET_RET_STATUS(sens)); + IPMI_ADD_RSP_DATA(sens->states & 0xff); + if (IPMI_SENSOR_IS_DISCRETE(sens)) { + IPMI_ADD_RSP_DATA((sens->states >> 8) & 0xff); + } + out: + return; +} + +static const IPMICmdHandler chassis_cmds[IPMI_NETFN_CHASSIS_MAXCMD] = { + [IPMI_CMD_GET_CHASSIS_CAPABILITIES] = chassis_capabilities, + [IPMI_CMD_GET_CHASSIS_STATUS] = chassis_status, + [IPMI_CMD_CHASSIS_CONTROL] = chassis_control +}; +static const IPMINetfn chassis_netfn = { + .cmd_nums = IPMI_NETFN_CHASSIS_MAXCMD, + .cmd_handlers = chassis_cmds +}; + +static const IPMICmdHandler +sensor_event_cmds[IPMI_NETFN_SENSOR_EVENT_MAXCMD] = { + [IPMI_CMD_SET_SENSOR_EVT_ENABLE] = set_sensor_evt_enable, + [IPMI_CMD_GET_SENSOR_EVT_ENABLE] = get_sensor_evt_enable, + [IPMI_CMD_REARM_SENSOR_EVTS] = rearm_sensor_evts, + [IPMI_CMD_GET_SENSOR_EVT_STATUS] = get_sensor_evt_status, + [IPMI_CMD_GET_SENSOR_READING] = get_sensor_reading +}; +static const IPMINetfn sensor_event_netfn = { + .cmd_nums = IPMI_NETFN_SENSOR_EVENT_MAXCMD, + .cmd_handlers = sensor_event_cmds +}; + +static const IPMICmdHandler app_cmds[IPMI_NETFN_APP_MAXCMD] = { + [IPMI_CMD_GET_DEVICE_ID] = get_device_id, + [IPMI_CMD_COLD_RESET] = cold_reset, + [IPMI_CMD_WARM_RESET] = warm_reset, + [IPMI_CMD_SET_BMC_GLOBAL_ENABLES] = set_bmc_global_enables, + [IPMI_CMD_GET_BMC_GLOBAL_ENABLES] = get_bmc_global_enables, + [IPMI_CMD_CLR_MSG_FLAGS] = clr_msg_flags, + [IPMI_CMD_GET_MSG_FLAGS] = get_msg_flags, + [IPMI_CMD_GET_MSG] = get_msg, + [IPMI_CMD_SEND_MSG] = send_msg, + [IPMI_CMD_READ_EVT_MSG_BUF] = read_evt_msg_buf, + [IPMI_CMD_RESET_WATCHDOG_TIMER] = reset_watchdog_timer, + [IPMI_CMD_SET_WATCHDOG_TIMER] = set_watchdog_timer, + [IPMI_CMD_GET_WATCHDOG_TIMER] = get_watchdog_timer, +}; +static const IPMINetfn app_netfn = { + .cmd_nums = IPMI_NETFN_APP_MAXCMD, + .cmd_handlers = app_cmds +}; + +static const IPMICmdHandler storage_cmds[IPMI_NETFN_STORAGE_MAXCMD] = { + [IPMI_CMD_GET_SDR_REP_INFO] = get_sdr_rep_info, + [IPMI_CMD_RESERVE_SDR_REP] = reserve_sdr_rep, + [IPMI_CMD_GET_SDR] = get_sdr, + [IPMI_CMD_ADD_SDR] = add_sdr, + [IPMI_CMD_CLEAR_SDR_REP] = clear_sdr_rep, + [IPMI_CMD_GET_SEL_INFO] = get_sel_info, + [IPMI_CMD_RESERVE_SEL] = reserve_sel, + [IPMI_CMD_GET_SEL_ENTRY] = get_sel_entry, + [IPMI_CMD_ADD_SEL_ENTRY] = add_sel_entry, + [IPMI_CMD_CLEAR_SEL] = clear_sel, + [IPMI_CMD_GET_SEL_TIME] = get_sel_time, + [IPMI_CMD_SET_SEL_TIME] = set_sel_time, +}; + +static const IPMINetfn storage_netfn = { + .cmd_nums = IPMI_NETFN_STORAGE_MAXCMD, + .cmd_handlers = storage_cmds +}; + +static void register_cmds(IPMIBmcSim *s) +{ + ipmi_register_netfn(s, IPMI_NETFN_CHASSIS, &chassis_netfn); + ipmi_register_netfn(s, IPMI_NETFN_SENSOR_EVENT, &sensor_event_netfn); + ipmi_register_netfn(s, IPMI_NETFN_APP, &app_netfn); + ipmi_register_netfn(s, IPMI_NETFN_STORAGE, &storage_netfn); +} + +static const uint8_t init_sdrs[] = { + /* Watchdog device */ + 0x00, 0x00, 0x51, 0x02, 35, 0x20, 0x00, 0x00, + 0x23, 0x01, 0x63, 0x00, 0x23, 0x6f, 0x0f, 0x01, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc8, + 'W', 'a', 't', 'c', 'h', 'd', 'o', 'g', + /* End */ + 0xff, 0xff, 0x00, 0x00, 0x00 +}; + +static const VMStateDescription vmstate_ipmi_sim = { + .name = TYPE_IPMI_BMC_SIMULATOR, + .version_id = 1, + .minimum_version_id = 1, + .fields = (VMStateField[]) { + VMSTATE_UINT8(bmc_global_enables, IPMIBmcSim), + VMSTATE_UINT8(msg_flags, IPMIBmcSim), + VMSTATE_BOOL(watchdog_initialized, IPMIBmcSim), + VMSTATE_UINT8(watchdog_use, IPMIBmcSim), + VMSTATE_UINT8(watchdog_action, IPMIBmcSim), + VMSTATE_UINT8(watchdog_pretimeout, IPMIBmcSim), + VMSTATE_BOOL(watchdog_expired, IPMIBmcSim), + VMSTATE_UINT16(watchdog_timeout, IPMIBmcSim), + VMSTATE_BOOL(watchdog_running, IPMIBmcSim), + VMSTATE_BOOL(watchdog_preaction_ran, IPMIBmcSim), + VMSTATE_INT64(watchdog_expiry, IPMIBmcSim), + VMSTATE_UINT8_ARRAY(evtbuf, IPMIBmcSim, 16), + VMSTATE_UINT8(sensors[IPMI_WATCHDOG_SENSOR].status, IPMIBmcSim), + VMSTATE_UINT8(sensors[IPMI_WATCHDOG_SENSOR].reading, IPMIBmcSim), + VMSTATE_UINT16(sensors[IPMI_WATCHDOG_SENSOR].states, IPMIBmcSim), + VMSTATE_UINT16(sensors[IPMI_WATCHDOG_SENSOR].assert_states, IPMIBmcSim), + VMSTATE_UINT16(sensors[IPMI_WATCHDOG_SENSOR].deassert_states, + IPMIBmcSim), + VMSTATE_UINT16(sensors[IPMI_WATCHDOG_SENSOR].assert_enable, IPMIBmcSim), + VMSTATE_END_OF_LIST() + } +}; + +static void ipmi_sim_init(Object *obj) +{ + IPMIBmc *b = IPMI_BMC(obj); + unsigned int i; + unsigned int recid; + IPMIBmcSim *ibs = IPMI_BMC_SIMULATOR(b); + + qemu_mutex_init(&ibs->lock); + QTAILQ_INIT(&ibs->rcvbufs); + + ibs->bmc_global_enables = (1 << IPMI_BMC_EVENT_LOG_BIT); + ibs->device_id = 0x20; + ibs->ipmi_version = 0x02; /* IPMI 2.0 */ + for (i = 0; i < 4; i++) { + ibs->sel.last_addition[i] = 0xff; + ibs->sel.last_clear[i] = 0xff; + ibs->sdr.last_addition[i] = 0xff; + ibs->sdr.last_clear[i] = 0xff; + } + + for (i = 0;;) { + int len; + if ((i + 5) > sizeof(init_sdrs)) { + error_report("Problem with recid 0x%4.4x: \n", i); + return; + } + len = init_sdrs[i + 4]; + recid = init_sdrs[i] | (init_sdrs[i + 1] << 8); + if (recid == 0xffff) { + break; + } + if ((i + len + 5) > sizeof(init_sdrs)) { + error_report("Problem with recid 0x%4.4x\n", i); + return; + } + sdr_add_entry(ibs, init_sdrs + i, len, NULL); + i += len + 5; + } + + ipmi_init_sensors_from_sdrs(ibs); + register_cmds(ibs); + + ibs->timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, ipmi_timeout, ibs); + + vmstate_register(NULL, 0, &vmstate_ipmi_sim, ibs); +} + +static void ipmi_sim_class_init(ObjectClass *oc, void *data) +{ + IPMIBmcClass *bk = IPMI_BMC_CLASS(oc); + + bk->handle_command = ipmi_sim_handle_command; +} + +static const TypeInfo ipmi_sim_type = { + .name = TYPE_IPMI_BMC_SIMULATOR, + .parent = TYPE_IPMI_BMC, + .instance_size = sizeof(IPMIBmcSim), + .instance_init = ipmi_sim_init, + .class_init = ipmi_sim_class_init, +}; + +static void ipmi_sim_register_types(void) +{ + type_register_static(&ipmi_sim_type); +} + +type_init(ipmi_sim_register_types) diff --git a/hw/ipmi/isa_ipmi_bt.c b/hw/ipmi/isa_ipmi_bt.c new file mode 100644 index 0000000000..21fa4a7851 --- /dev/null +++ b/hw/ipmi/isa_ipmi_bt.c @@ -0,0 +1,528 @@ +/* + * QEMU ISA IPMI BT emulation + * + * Copyright (c) 2015 Corey Minyard, MontaVista Software, LLC + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ +#include "hw/hw.h" +#include "hw/ipmi/ipmi.h" +#include "hw/isa/isa.h" +#include "hw/i386/pc.h" + +/* Control register */ +#define IPMI_BT_CLR_WR_BIT 0 +#define IPMI_BT_CLR_RD_BIT 1 +#define IPMI_BT_H2B_ATN_BIT 2 +#define IPMI_BT_B2H_ATN_BIT 3 +#define IPMI_BT_SMS_ATN_BIT 4 +#define IPMI_BT_HBUSY_BIT 6 +#define IPMI_BT_BBUSY_BIT 7 + +#define IPMI_BT_CLR_WR_MASK (1 << IPMI_BT_CLR_WR_BIT) +#define IPMI_BT_GET_CLR_WR(d) (((d) >> IPMI_BT_CLR_WR_BIT) & 0x1) +#define IPMI_BT_SET_CLR_WR(d, v) (d) = (((d) & ~IPMI_BT_CLR_WR_MASK) | \ + (((v & 1) << IPMI_BT_CLR_WR_BIT))) + +#define IPMI_BT_CLR_RD_MASK (1 << IPMI_BT_CLR_RD_BIT) +#define IPMI_BT_GET_CLR_RD(d) (((d) >> IPMI_BT_CLR_RD_BIT) & 0x1) +#define IPMI_BT_SET_CLR_RD(d, v) (d) = (((d) & ~IPMI_BT_CLR_RD_MASK) | \ + (((v & 1) << IPMI_BT_CLR_RD_BIT))) + +#define IPMI_BT_H2B_ATN_MASK (1 << IPMI_BT_H2B_ATN_BIT) +#define IPMI_BT_GET_H2B_ATN(d) (((d) >> IPMI_BT_H2B_ATN_BIT) & 0x1) +#define IPMI_BT_SET_H2B_ATN(d, v) (d) = (((d) & ~IPMI_BT_H2B_ATN_MASK) | \ + (((v & 1) << IPMI_BT_H2B_ATN_BIT))) + +#define IPMI_BT_B2H_ATN_MASK (1 << IPMI_BT_B2H_ATN_BIT) +#define IPMI_BT_GET_B2H_ATN(d) (((d) >> IPMI_BT_B2H_ATN_BIT) & 0x1) +#define IPMI_BT_SET_B2H_ATN(d, v) (d) = (((d) & ~IPMI_BT_B2H_ATN_MASK) | \ + (((v & 1) << IPMI_BT_B2H_ATN_BIT))) + +#define IPMI_BT_SMS_ATN_MASK (1 << IPMI_BT_SMS_ATN_BIT) +#define IPMI_BT_GET_SMS_ATN(d) (((d) >> IPMI_BT_SMS_ATN_BIT) & 0x1) +#define IPMI_BT_SET_SMS_ATN(d, v) (d) = (((d) & ~IPMI_BT_SMS_ATN_MASK) | \ + (((v & 1) << IPMI_BT_SMS_ATN_BIT))) + +#define IPMI_BT_HBUSY_MASK (1 << IPMI_BT_HBUSY_BIT) +#define IPMI_BT_GET_HBUSY(d) (((d) >> IPMI_BT_HBUSY_BIT) & 0x1) +#define IPMI_BT_SET_HBUSY(d, v) (d) = (((d) & ~IPMI_BT_HBUSY_MASK) | \ + (((v & 1) << IPMI_BT_HBUSY_BIT))) + +#define IPMI_BT_BBUSY_MASK (1 << IPMI_BT_BBUSY_BIT) +#define IPMI_BT_GET_BBUSY(d) (((d) >> IPMI_BT_BBUSY_BIT) & 0x1) +#define IPMI_BT_SET_BBUSY(d, v) (d) = (((d) & ~IPMI_BT_BBUSY_MASK) | \ + (((v & 1) << IPMI_BT_BBUSY_BIT))) + + +/* Mask register */ +#define IPMI_BT_B2H_IRQ_EN_BIT 0 +#define IPMI_BT_B2H_IRQ_BIT 1 + +#define IPMI_BT_B2H_IRQ_EN_MASK (1 << IPMI_BT_B2H_IRQ_EN_BIT) +#define IPMI_BT_GET_B2H_IRQ_EN(d) (((d) >> IPMI_BT_B2H_IRQ_EN_BIT) & 0x1) +#define IPMI_BT_SET_B2H_IRQ_EN(d, v) (d) = (((d) & ~IPMI_BT_B2H_IRQ_EN_MASK) | \ + (((v & 1) << IPMI_BT_B2H_IRQ_EN_BIT))) + +#define IPMI_BT_B2H_IRQ_MASK (1 << IPMI_BT_B2H_IRQ_BIT) +#define IPMI_BT_GET_B2H_IRQ(d) (((d) >> IPMI_BT_B2H_IRQ_BIT) & 0x1) +#define IPMI_BT_SET_B2H_IRQ(d, v) (d) = (((d) & ~IPMI_BT_B2H_IRQ_MASK) | \ + (((v & 1) << IPMI_BT_B2H_IRQ_BIT))) + +typedef struct IPMIBT { + IPMIBmc *bmc; + + bool do_wake; + + qemu_irq irq; + + uint32_t io_base; + unsigned long io_length; + MemoryRegion io; + + bool obf_irq_set; + bool atn_irq_set; + bool use_irq; + bool irqs_enabled; + + uint8_t outmsg[MAX_IPMI_MSG_SIZE]; + uint32_t outpos; + uint32_t outlen; + + uint8_t inmsg[MAX_IPMI_MSG_SIZE]; + uint32_t inlen; + + uint8_t control_reg; + uint8_t mask_reg; + + /* + * This is a response number that we send with the command to make + * sure that the response matches the command. + */ + uint8_t waiting_rsp; + uint8_t waiting_seq; +} IPMIBT; + +#define IPMI_CMD_GET_BT_INTF_CAP 0x36 + +static void ipmi_bt_handle_event(IPMIInterface *ii) +{ + IPMIInterfaceClass *iic = IPMI_INTERFACE_GET_CLASS(ii); + IPMIBT *ib = iic->get_backend_data(ii); + + if (ib->inlen < 4) { + goto out; + } + /* Note that overruns are handled by handle_command */ + if (ib->inmsg[0] != (ib->inlen - 1)) { + /* Length mismatch, just ignore. */ + IPMI_BT_SET_BBUSY(ib->control_reg, 1); + ib->inlen = 0; + goto out; + } + if ((ib->inmsg[1] == (IPMI_NETFN_APP << 2)) && + (ib->inmsg[3] == IPMI_CMD_GET_BT_INTF_CAP)) { + /* We handle this one ourselves. */ + ib->outmsg[0] = 9; + ib->outmsg[1] = ib->inmsg[1] | 0x04; + ib->outmsg[2] = ib->inmsg[2]; + ib->outmsg[3] = ib->inmsg[3]; + ib->outmsg[4] = 0; + ib->outmsg[5] = 1; /* Only support 1 outstanding request. */ + if (sizeof(ib->inmsg) > 0xff) { /* Input buffer size */ + ib->outmsg[6] = 0xff; + } else { + ib->outmsg[6] = (unsigned char) sizeof(ib->inmsg); + } + if (sizeof(ib->outmsg) > 0xff) { /* Output buffer size */ + ib->outmsg[7] = 0xff; + } else { + ib->outmsg[7] = (unsigned char) sizeof(ib->outmsg); + } + ib->outmsg[8] = 10; /* Max request to response time */ + ib->outmsg[9] = 0; /* Don't recommend retries */ + ib->outlen = 10; + IPMI_BT_SET_BBUSY(ib->control_reg, 0); + IPMI_BT_SET_B2H_ATN(ib->control_reg, 1); + if (ib->use_irq && ib->irqs_enabled && + !IPMI_BT_GET_B2H_IRQ(ib->mask_reg) && + IPMI_BT_GET_B2H_IRQ_EN(ib->mask_reg)) { + IPMI_BT_SET_B2H_IRQ(ib->mask_reg, 1); + qemu_irq_raise(ib->irq); + } + goto out; + } + ib->waiting_seq = ib->inmsg[2]; + ib->inmsg[2] = ib->inmsg[1]; + { + IPMIBmcClass *bk = IPMI_BMC_GET_CLASS(ib->bmc); + bk->handle_command(ib->bmc, ib->inmsg + 2, ib->inlen - 2, + sizeof(ib->inmsg), ib->waiting_rsp); + } + out: + return; +} + +static void ipmi_bt_handle_rsp(IPMIInterface *ii, uint8_t msg_id, + unsigned char *rsp, unsigned int rsp_len) +{ + IPMIInterfaceClass *iic = IPMI_INTERFACE_GET_CLASS(ii); + IPMIBT *ib = iic->get_backend_data(ii); + + if (ib->waiting_rsp == msg_id) { + ib->waiting_rsp++; + if (rsp_len > (sizeof(ib->outmsg) - 2)) { + ib->outmsg[0] = 4; + ib->outmsg[1] = rsp[0]; + ib->outmsg[2] = ib->waiting_seq; + ib->outmsg[3] = rsp[1]; + ib->outmsg[4] = IPMI_CC_CANNOT_RETURN_REQ_NUM_BYTES; + ib->outlen = 5; + } else { + ib->outmsg[0] = rsp_len + 1; + ib->outmsg[1] = rsp[0]; + ib->outmsg[2] = ib->waiting_seq; + memcpy(ib->outmsg + 3, rsp + 1, rsp_len - 1); + ib->outlen = rsp_len + 2; + } + IPMI_BT_SET_BBUSY(ib->control_reg, 0); + IPMI_BT_SET_B2H_ATN(ib->control_reg, 1); + if (ib->use_irq && ib->irqs_enabled && + !IPMI_BT_GET_B2H_IRQ(ib->mask_reg) && + IPMI_BT_GET_B2H_IRQ_EN(ib->mask_reg)) { + IPMI_BT_SET_B2H_IRQ(ib->mask_reg, 1); + qemu_irq_raise(ib->irq); + } + } +} + + +static uint64_t ipmi_bt_ioport_read(void *opaque, hwaddr addr, unsigned size) +{ + IPMIInterface *ii = opaque; + IPMIInterfaceClass *iic = IPMI_INTERFACE_GET_CLASS(ii); + IPMIBT *ib = iic->get_backend_data(ii); + uint32_t ret = 0xff; + + switch (addr & 3) { + case 0: + ret = ib->control_reg; + break; + case 1: + if (ib->outpos < ib->outlen) { + ret = ib->outmsg[ib->outpos]; + ib->outpos++; + if (ib->outpos == ib->outlen) { + ib->outpos = 0; + ib->outlen = 0; + } + } else { + ret = 0xff; + } + break; + case 2: + ret = ib->mask_reg; + break; + } + return ret; +} + +static void ipmi_bt_signal(IPMIBT *ib, IPMIInterface *ii) +{ + IPMIInterfaceClass *iic = IPMI_INTERFACE_GET_CLASS(ii); + + ib->do_wake = 1; + while (ib->do_wake) { + ib->do_wake = 0; + iic->handle_if_event(ii); + } +} + +static void ipmi_bt_ioport_write(void *opaque, hwaddr addr, uint64_t val, + unsigned size) +{ + IPMIInterface *ii = opaque; + IPMIInterfaceClass *iic = IPMI_INTERFACE_GET_CLASS(ii); + IPMIBT *ib = iic->get_backend_data(ii); + + switch (addr & 3) { + case 0: + if (IPMI_BT_GET_CLR_WR(val)) { + ib->inlen = 0; + } + if (IPMI_BT_GET_CLR_RD(val)) { + ib->outpos = 0; + } + if (IPMI_BT_GET_B2H_ATN(val)) { + IPMI_BT_SET_B2H_ATN(ib->control_reg, 0); + } + if (IPMI_BT_GET_SMS_ATN(val)) { + IPMI_BT_SET_SMS_ATN(ib->control_reg, 0); + } + if (IPMI_BT_GET_HBUSY(val)) { + /* Toggle */ + IPMI_BT_SET_HBUSY(ib->control_reg, + !IPMI_BT_GET_HBUSY(ib->control_reg)); + } + if (IPMI_BT_GET_H2B_ATN(val)) { + IPMI_BT_SET_BBUSY(ib->control_reg, 1); + ipmi_bt_signal(ib, ii); + } + break; + + case 1: + if (ib->inlen < sizeof(ib->inmsg)) { + ib->inmsg[ib->inlen] = val; + } + ib->inlen++; + break; + + case 2: + if (IPMI_BT_GET_B2H_IRQ_EN(val) != + IPMI_BT_GET_B2H_IRQ_EN(ib->mask_reg)) { + if (IPMI_BT_GET_B2H_IRQ_EN(val)) { + if (IPMI_BT_GET_B2H_ATN(ib->control_reg) || + IPMI_BT_GET_SMS_ATN(ib->control_reg)) { + IPMI_BT_SET_B2H_IRQ(ib->mask_reg, 1); + qemu_irq_raise(ib->irq); + } + IPMI_BT_SET_B2H_IRQ_EN(ib->mask_reg, 1); + } else { + if (IPMI_BT_GET_B2H_IRQ(ib->mask_reg)) { + IPMI_BT_SET_B2H_IRQ(ib->mask_reg, 0); + qemu_irq_lower(ib->irq); + } + IPMI_BT_SET_B2H_IRQ_EN(ib->mask_reg, 0); + } + } + if (IPMI_BT_GET_B2H_IRQ(val) && IPMI_BT_GET_B2H_IRQ(ib->mask_reg)) { + IPMI_BT_SET_B2H_IRQ(ib->mask_reg, 0); + qemu_irq_lower(ib->irq); + } + break; + } +} + +static const MemoryRegionOps ipmi_bt_io_ops = { + .read = ipmi_bt_ioport_read, + .write = ipmi_bt_ioport_write, + .impl = { + .min_access_size = 1, + .max_access_size = 1, + }, + .endianness = DEVICE_LITTLE_ENDIAN, +}; + +static void ipmi_bt_set_atn(IPMIInterface *ii, int val, int irq) +{ + IPMIInterfaceClass *iic = IPMI_INTERFACE_GET_CLASS(ii); + IPMIBT *ib = iic->get_backend_data(ii); + + if (!!val == IPMI_BT_GET_SMS_ATN(ib->control_reg)) { + return; + } + + IPMI_BT_SET_SMS_ATN(ib->control_reg, val); + if (val) { + if (irq && ib->use_irq && ib->irqs_enabled && + !IPMI_BT_GET_B2H_ATN(ib->control_reg) && + IPMI_BT_GET_B2H_IRQ_EN(ib->mask_reg)) { + IPMI_BT_SET_B2H_IRQ(ib->mask_reg, 1); + qemu_irq_raise(ib->irq); + } + } else { + if (!IPMI_BT_GET_B2H_ATN(ib->control_reg) && + IPMI_BT_GET_B2H_IRQ(ib->mask_reg)) { + IPMI_BT_SET_B2H_IRQ(ib->mask_reg, 0); + qemu_irq_lower(ib->irq); + } + } +} + +static void ipmi_bt_handle_reset(IPMIInterface *ii, bool is_cold) +{ + IPMIInterfaceClass *iic = IPMI_INTERFACE_GET_CLASS(ii); + IPMIBT *ib = iic->get_backend_data(ii); + + if (is_cold) { + /* Disable the BT interrupt on reset */ + if (IPMI_BT_GET_B2H_IRQ(ib->mask_reg)) { + IPMI_BT_SET_B2H_IRQ(ib->mask_reg, 0); + qemu_irq_lower(ib->irq); + } + IPMI_BT_SET_B2H_IRQ_EN(ib->mask_reg, 0); + } +} + +static void ipmi_bt_set_irq_enable(IPMIInterface *ii, int val) +{ + IPMIInterfaceClass *iic = IPMI_INTERFACE_GET_CLASS(ii); + IPMIBT *ib = iic->get_backend_data(ii); + + ib->irqs_enabled = val; +} + +static void ipmi_bt_init(IPMIInterface *ii, Error **errp) +{ + IPMIInterfaceClass *iic = IPMI_INTERFACE_GET_CLASS(ii); + IPMIBT *ib = iic->get_backend_data(ii); + + ib->io_length = 3; + + memory_region_init_io(&ib->io, NULL, &ipmi_bt_io_ops, ii, "ipmi-bt", 3); +} + +static void ipmi_bt_class_init(IPMIInterfaceClass *iic) +{ + iic->init = ipmi_bt_init; + iic->set_atn = ipmi_bt_set_atn; + iic->handle_rsp = ipmi_bt_handle_rsp; + iic->handle_if_event = ipmi_bt_handle_event; + iic->set_irq_enable = ipmi_bt_set_irq_enable; + iic->reset = ipmi_bt_handle_reset; +} + + +#define TYPE_ISA_IPMI_BT "isa-ipmi-bt" +#define ISA_IPMI_BT(obj) OBJECT_CHECK(ISAIPMIBTDevice, (obj), \ + TYPE_ISA_IPMI_BT) + +typedef struct ISAIPMIBTDevice { + ISADevice dev; + int32 isairq; + IPMIBT bt; + IPMIFwInfo fwinfo; +} ISAIPMIBTDevice; + +static void isa_ipmi_bt_realize(DeviceState *dev, Error **errp) +{ + ISADevice *isadev = ISA_DEVICE(dev); + ISAIPMIBTDevice *iib = ISA_IPMI_BT(dev); + IPMIInterface *ii = IPMI_INTERFACE(dev); + IPMIInterfaceClass *iic = IPMI_INTERFACE_GET_CLASS(ii); + + if (!iib->bt.bmc) { + error_setg(errp, "IPMI device requires a bmc attribute to be set"); + return; + } + + iib->bt.bmc->intf = ii; + + iic->init(ii, errp); + if (*errp) + return; + + if (iib->isairq > 0) { + isa_init_irq(isadev, &iib->bt.irq, iib->isairq); + iib->bt.use_irq = 1; + } + + qdev_set_legacy_instance_id(dev, iib->bt.io_base, iib->bt.io_length); + + isa_register_ioport(isadev, &iib->bt.io, iib->bt.io_base); + + iib->fwinfo.interface_name = "bt"; + iib->fwinfo.interface_type = IPMI_SMBIOS_BT; + iib->fwinfo.ipmi_spec_major_revision = 2; + iib->fwinfo.ipmi_spec_minor_revision = 0; + iib->fwinfo.base_address = iib->bt.io_base; + iib->fwinfo.register_length = iib->bt.io_length; + iib->fwinfo.register_spacing = 1; + iib->fwinfo.memspace = IPMI_MEMSPACE_IO; + iib->fwinfo.irq_type = IPMI_LEVEL_IRQ; + iib->fwinfo.interrupt_number = iib->isairq; + iib->fwinfo.acpi_parent = "\\_SB.PCI0.ISA"; + iib->fwinfo.i2c_slave_address = iib->bt.bmc->slave_addr; + ipmi_add_fwinfo(&iib->fwinfo, errp); +} + +static const VMStateDescription vmstate_ISAIPMIBTDevice = { + .name = TYPE_IPMI_INTERFACE, + .version_id = 1, + .minimum_version_id = 1, + .fields = (VMStateField[]) { + VMSTATE_BOOL(bt.obf_irq_set, ISAIPMIBTDevice), + VMSTATE_BOOL(bt.atn_irq_set, ISAIPMIBTDevice), + VMSTATE_BOOL(bt.use_irq, ISAIPMIBTDevice), + VMSTATE_BOOL(bt.irqs_enabled, ISAIPMIBTDevice), + VMSTATE_UINT32(bt.outpos, ISAIPMIBTDevice), + VMSTATE_VBUFFER_UINT32(bt.outmsg, ISAIPMIBTDevice, 1, NULL, 0, + bt.outlen), + VMSTATE_VBUFFER_UINT32(bt.inmsg, ISAIPMIBTDevice, 1, NULL, 0, + bt.inlen), + VMSTATE_UINT8(bt.control_reg, ISAIPMIBTDevice), + VMSTATE_UINT8(bt.mask_reg, ISAIPMIBTDevice), + VMSTATE_UINT8(bt.waiting_rsp, ISAIPMIBTDevice), + VMSTATE_UINT8(bt.waiting_seq, ISAIPMIBTDevice), + VMSTATE_END_OF_LIST() + } +}; + +static void isa_ipmi_bt_init(Object *obj) +{ + ISAIPMIBTDevice *iib = ISA_IPMI_BT(obj); + + ipmi_bmc_find_and_link(obj, (Object **) &iib->bt.bmc); + + vmstate_register(NULL, 0, &vmstate_ISAIPMIBTDevice, iib); +} + +static void *isa_ipmi_bt_get_backend_data(IPMIInterface *ii) +{ + ISAIPMIBTDevice *iib = ISA_IPMI_BT(ii); + + return &iib->bt; +} + +static Property ipmi_isa_properties[] = { + DEFINE_PROP_UINT32("ioport", ISAIPMIBTDevice, bt.io_base, 0xe4), + DEFINE_PROP_INT32("irq", ISAIPMIBTDevice, isairq, 5), + DEFINE_PROP_END_OF_LIST(), +}; + +static void isa_ipmi_bt_class_init(ObjectClass *oc, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(oc); + IPMIInterfaceClass *iic = IPMI_INTERFACE_CLASS(oc); + + dc->realize = isa_ipmi_bt_realize; + dc->props = ipmi_isa_properties; + + iic->get_backend_data = isa_ipmi_bt_get_backend_data; + ipmi_bt_class_init(iic); +} + +static const TypeInfo isa_ipmi_bt_info = { + .name = TYPE_ISA_IPMI_BT, + .parent = TYPE_ISA_DEVICE, + .instance_size = sizeof(ISAIPMIBTDevice), + .instance_init = isa_ipmi_bt_init, + .class_init = isa_ipmi_bt_class_init, + .interfaces = (InterfaceInfo[]) { + { TYPE_IPMI_INTERFACE }, + { } + } +}; + +static void ipmi_register_types(void) +{ + type_register_static(&isa_ipmi_bt_info); +} + +type_init(ipmi_register_types) diff --git a/hw/ipmi/isa_ipmi_kcs.c b/hw/ipmi/isa_ipmi_kcs.c new file mode 100644 index 0000000000..c662aeec55 --- /dev/null +++ b/hw/ipmi/isa_ipmi_kcs.c @@ -0,0 +1,493 @@ +/* + * QEMU ISA IPMI KCS emulation + * + * Copyright (c) 2015 Corey Minyard, MontaVista Software, LLC + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ +#include "hw/hw.h" +#include "hw/ipmi/ipmi.h" +#include "hw/isa/isa.h" +#include "hw/i386/pc.h" + +#define IPMI_KCS_OBF_BIT 0 +#define IPMI_KCS_IBF_BIT 1 +#define IPMI_KCS_SMS_ATN_BIT 2 +#define IPMI_KCS_CD_BIT 3 + +#define IPMI_KCS_OBF_MASK (1 << IPMI_KCS_OBF_BIT) +#define IPMI_KCS_GET_OBF(d) (((d) >> IPMI_KCS_OBF_BIT) & 0x1) +#define IPMI_KCS_SET_OBF(d, v) (d) = (((d) & ~IPMI_KCS_OBF_MASK) | \ + (((v) & 1) << IPMI_KCS_OBF_BIT)) +#define IPMI_KCS_IBF_MASK (1 << IPMI_KCS_IBF_BIT) +#define IPMI_KCS_GET_IBF(d) (((d) >> IPMI_KCS_IBF_BIT) & 0x1) +#define IPMI_KCS_SET_IBF(d, v) (d) = (((d) & ~IPMI_KCS_IBF_MASK) | \ + (((v) & 1) << IPMI_KCS_IBF_BIT)) +#define IPMI_KCS_SMS_ATN_MASK (1 << IPMI_KCS_SMS_ATN_BIT) +#define IPMI_KCS_GET_SMS_ATN(d) (((d) >> IPMI_KCS_SMS_ATN_BIT) & 0x1) +#define IPMI_KCS_SET_SMS_ATN(d, v) (d) = (((d) & ~IPMI_KCS_SMS_ATN_MASK) | \ + (((v) & 1) << IPMI_KCS_SMS_ATN_BIT)) +#define IPMI_KCS_CD_MASK (1 << IPMI_KCS_CD_BIT) +#define IPMI_KCS_GET_CD(d) (((d) >> IPMI_KCS_CD_BIT) & 0x1) +#define IPMI_KCS_SET_CD(d, v) (d) = (((d) & ~IPMI_KCS_CD_MASK) | \ + (((v) & 1) << IPMI_KCS_CD_BIT)) + +#define IPMI_KCS_IDLE_STATE 0 +#define IPMI_KCS_READ_STATE 1 +#define IPMI_KCS_WRITE_STATE 2 +#define IPMI_KCS_ERROR_STATE 3 + +#define IPMI_KCS_GET_STATE(d) (((d) >> 6) & 0x3) +#define IPMI_KCS_SET_STATE(d, v) ((d) = ((d) & ~0xc0) | (((v) & 0x3) << 6)) + +#define IPMI_KCS_ABORT_STATUS_CMD 0x60 +#define IPMI_KCS_WRITE_START_CMD 0x61 +#define IPMI_KCS_WRITE_END_CMD 0x62 +#define IPMI_KCS_READ_CMD 0x68 + +#define IPMI_KCS_STATUS_NO_ERR 0x00 +#define IPMI_KCS_STATUS_ABORTED_ERR 0x01 +#define IPMI_KCS_STATUS_BAD_CC_ERR 0x02 +#define IPMI_KCS_STATUS_LENGTH_ERR 0x06 + +typedef struct IPMIKCS { + IPMIBmc *bmc; + + bool do_wake; + + qemu_irq irq; + + uint32_t io_base; + unsigned long io_length; + MemoryRegion io; + + bool obf_irq_set; + bool atn_irq_set; + bool use_irq; + bool irqs_enabled; + + uint8_t outmsg[MAX_IPMI_MSG_SIZE]; + uint32_t outpos; + uint32_t outlen; + + uint8_t inmsg[MAX_IPMI_MSG_SIZE]; + uint32_t inlen; + bool write_end; + + uint8_t status_reg; + uint8_t data_out_reg; + + int16_t data_in_reg; /* -1 means not written */ + int16_t cmd_reg; + + /* + * This is a response number that we send with the command to make + * sure that the response matches the command. + */ + uint8_t waiting_rsp; +} IPMIKCS; + +#define SET_OBF() \ + do { \ + IPMI_KCS_SET_OBF(ik->status_reg, 1); \ + if (ik->use_irq && ik->irqs_enabled && !ik->obf_irq_set) { \ + ik->obf_irq_set = 1; \ + if (!ik->atn_irq_set) { \ + qemu_irq_raise(ik->irq); \ + } \ + } \ + } while (0) + +static void ipmi_kcs_signal(IPMIKCS *ik, IPMIInterface *ii) +{ + IPMIInterfaceClass *iic = IPMI_INTERFACE_GET_CLASS(ii); + + ik->do_wake = 1; + while (ik->do_wake) { + ik->do_wake = 0; + iic->handle_if_event(ii); + } +} + +static void ipmi_kcs_handle_event(IPMIInterface *ii) +{ + IPMIInterfaceClass *iic = IPMI_INTERFACE_GET_CLASS(ii); + IPMIKCS *ik = iic->get_backend_data(ii); + + if (ik->cmd_reg == IPMI_KCS_ABORT_STATUS_CMD) { + if (IPMI_KCS_GET_STATE(ik->status_reg) != IPMI_KCS_ERROR_STATE) { + ik->waiting_rsp++; /* Invalidate the message */ + ik->outmsg[0] = IPMI_KCS_STATUS_ABORTED_ERR; + ik->outlen = 1; + ik->outpos = 0; + IPMI_KCS_SET_STATE(ik->status_reg, IPMI_KCS_ERROR_STATE); + SET_OBF(); + } + goto out; + } + + switch (IPMI_KCS_GET_STATE(ik->status_reg)) { + case IPMI_KCS_IDLE_STATE: + if (ik->cmd_reg == IPMI_KCS_WRITE_START_CMD) { + IPMI_KCS_SET_STATE(ik->status_reg, IPMI_KCS_WRITE_STATE); + ik->cmd_reg = -1; + ik->write_end = 0; + ik->inlen = 0; + SET_OBF(); + } + break; + + case IPMI_KCS_READ_STATE: + handle_read: + if (ik->outpos >= ik->outlen) { + IPMI_KCS_SET_STATE(ik->status_reg, IPMI_KCS_IDLE_STATE); + SET_OBF(); + } else if (ik->data_in_reg == IPMI_KCS_READ_CMD) { + ik->data_out_reg = ik->outmsg[ik->outpos]; + ik->outpos++; + SET_OBF(); + } else { + ik->outmsg[0] = IPMI_KCS_STATUS_BAD_CC_ERR; + ik->outlen = 1; + ik->outpos = 0; + IPMI_KCS_SET_STATE(ik->status_reg, IPMI_KCS_ERROR_STATE); + SET_OBF(); + goto out; + } + break; + + case IPMI_KCS_WRITE_STATE: + if (ik->data_in_reg != -1) { + /* + * Don't worry about input overrun here, that will be + * handled in the BMC. + */ + if (ik->inlen < sizeof(ik->inmsg)) { + ik->inmsg[ik->inlen] = ik->data_in_reg; + } + ik->inlen++; + } + if (ik->write_end) { + IPMIBmcClass *bk = IPMI_BMC_GET_CLASS(ik->bmc); + ik->outlen = 0; + ik->write_end = 0; + ik->outpos = 0; + bk->handle_command(ik->bmc, ik->inmsg, ik->inlen, sizeof(ik->inmsg), + ik->waiting_rsp); + goto out_noibf; + } else if (ik->cmd_reg == IPMI_KCS_WRITE_END_CMD) { + ik->cmd_reg = -1; + ik->write_end = 1; + } + SET_OBF(); + break; + + case IPMI_KCS_ERROR_STATE: + if (ik->data_in_reg != -1) { + IPMI_KCS_SET_STATE(ik->status_reg, IPMI_KCS_READ_STATE); + ik->data_in_reg = IPMI_KCS_READ_CMD; + goto handle_read; + } + break; + } + + if (ik->cmd_reg != -1) { + /* Got an invalid command */ + ik->outmsg[0] = IPMI_KCS_STATUS_BAD_CC_ERR; + ik->outlen = 1; + ik->outpos = 0; + IPMI_KCS_SET_STATE(ik->status_reg, IPMI_KCS_ERROR_STATE); + } + + out: + ik->cmd_reg = -1; + ik->data_in_reg = -1; + IPMI_KCS_SET_IBF(ik->status_reg, 0); + out_noibf: + return; +} + +static void ipmi_kcs_handle_rsp(IPMIInterface *ii, uint8_t msg_id, + unsigned char *rsp, unsigned int rsp_len) +{ + IPMIInterfaceClass *iic = IPMI_INTERFACE_GET_CLASS(ii); + IPMIKCS *ik = iic->get_backend_data(ii); + + if (ik->waiting_rsp == msg_id) { + ik->waiting_rsp++; + if (rsp_len > sizeof(ik->outmsg)) { + ik->outmsg[0] = rsp[0]; + ik->outmsg[1] = rsp[1]; + ik->outmsg[2] = IPMI_CC_CANNOT_RETURN_REQ_NUM_BYTES; + ik->outlen = 3; + } else { + memcpy(ik->outmsg, rsp, rsp_len); + ik->outlen = rsp_len; + } + IPMI_KCS_SET_STATE(ik->status_reg, IPMI_KCS_READ_STATE); + ik->data_in_reg = IPMI_KCS_READ_CMD; + ipmi_kcs_signal(ik, ii); + } +} + + +static uint64_t ipmi_kcs_ioport_read(void *opaque, hwaddr addr, unsigned size) +{ + IPMIInterface *ii = opaque; + IPMIInterfaceClass *iic = IPMI_INTERFACE_GET_CLASS(ii); + IPMIKCS *ik = iic->get_backend_data(ii); + uint32_t ret; + + switch (addr & 1) { + case 0: + ret = ik->data_out_reg; + IPMI_KCS_SET_OBF(ik->status_reg, 0); + if (ik->obf_irq_set) { + ik->obf_irq_set = 0; + if (!ik->atn_irq_set) { + qemu_irq_lower(ik->irq); + } + } + break; + case 1: + ret = ik->status_reg; + if (ik->atn_irq_set) { + ik->atn_irq_set = 0; + if (!ik->obf_irq_set) { + qemu_irq_lower(ik->irq); + } + } + break; + } + return ret; +} + +static void ipmi_kcs_ioport_write(void *opaque, hwaddr addr, uint64_t val, + unsigned size) +{ + IPMIInterface *ii = opaque; + IPMIInterfaceClass *iic = IPMI_INTERFACE_GET_CLASS(ii); + IPMIKCS *ik = iic->get_backend_data(ii); + + if (IPMI_KCS_GET_IBF(ik->status_reg)) { + return; + } + + switch (addr & 1) { + case 0: + ik->data_in_reg = val; + break; + + case 1: + ik->cmd_reg = val; + break; + } + IPMI_KCS_SET_IBF(ik->status_reg, 1); + ipmi_kcs_signal(ik, ii); +} + +const MemoryRegionOps ipmi_kcs_io_ops = { + .read = ipmi_kcs_ioport_read, + .write = ipmi_kcs_ioport_write, + .impl = { + .min_access_size = 1, + .max_access_size = 1, + }, + .endianness = DEVICE_LITTLE_ENDIAN, +}; + +static void ipmi_kcs_set_atn(IPMIInterface *ii, int val, int irq) +{ + IPMIInterfaceClass *iic = IPMI_INTERFACE_GET_CLASS(ii); + IPMIKCS *ik = iic->get_backend_data(ii); + + IPMI_KCS_SET_SMS_ATN(ik->status_reg, val); + if (val) { + if (irq && !ik->atn_irq_set && ik->use_irq && ik->irqs_enabled) { + ik->atn_irq_set = 1; + if (!ik->obf_irq_set) { + qemu_irq_raise(ik->irq); + } + } + } else { + if (ik->atn_irq_set) { + ik->atn_irq_set = 0; + if (!ik->obf_irq_set) { + qemu_irq_lower(ik->irq); + } + } + } +} + +static void ipmi_kcs_set_irq_enable(IPMIInterface *ii, int val) +{ + IPMIInterfaceClass *iic = IPMI_INTERFACE_GET_CLASS(ii); + IPMIKCS *ik = iic->get_backend_data(ii); + + ik->irqs_enabled = val; +} + +static void ipmi_kcs_init(IPMIInterface *ii, Error **errp) +{ + IPMIInterfaceClass *iic = IPMI_INTERFACE_GET_CLASS(ii); + IPMIKCS *ik = iic->get_backend_data(ii); + + ik->io_length = 2; + memory_region_init_io(&ik->io, NULL, &ipmi_kcs_io_ops, ii, "ipmi-kcs", 2); +} + +static void ipmi_kcs_class_init(IPMIInterfaceClass *iic) +{ + iic->init = ipmi_kcs_init; + iic->set_atn = ipmi_kcs_set_atn; + iic->handle_rsp = ipmi_kcs_handle_rsp; + iic->handle_if_event = ipmi_kcs_handle_event; + iic->set_irq_enable = ipmi_kcs_set_irq_enable; +} + + +#define TYPE_ISA_IPMI_KCS "isa-ipmi-kcs" +#define ISA_IPMI_KCS(obj) OBJECT_CHECK(ISAIPMIKCSDevice, (obj), \ + TYPE_ISA_IPMI_KCS) + +typedef struct ISAIPMIKCSDevice { + ISADevice dev; + int32 isairq; + IPMIKCS kcs; + IPMIFwInfo fwinfo; +} ISAIPMIKCSDevice; + +static void ipmi_isa_realize(DeviceState *dev, Error **errp) +{ + ISADevice *isadev = ISA_DEVICE(dev); + ISAIPMIKCSDevice *iik = ISA_IPMI_KCS(dev); + IPMIInterface *ii = IPMI_INTERFACE(dev); + IPMIInterfaceClass *iic = IPMI_INTERFACE_GET_CLASS(ii); + + if (!iik->kcs.bmc) { + error_setg(errp, "IPMI device requires a bmc attribute to be set"); + return; + } + + iik->kcs.bmc->intf = ii; + + iic->init(ii, errp); + if (*errp) + return; + + if (iik->isairq > 0) { + isa_init_irq(isadev, &iik->kcs.irq, iik->isairq); + iik->kcs.use_irq = 1; + } + + qdev_set_legacy_instance_id(dev, iik->kcs.io_base, iik->kcs.io_length); + + isa_register_ioport(isadev, &iik->kcs.io, iik->kcs.io_base); + + iik->fwinfo.interface_name = "kcs"; + iik->fwinfo.interface_type = IPMI_SMBIOS_KCS; + iik->fwinfo.ipmi_spec_major_revision = 2; + iik->fwinfo.ipmi_spec_minor_revision = 0; + iik->fwinfo.base_address = iik->kcs.io_base; + iik->fwinfo.i2c_slave_address = iik->kcs.bmc->slave_addr; + iik->fwinfo.register_length = iik->kcs.io_length; + iik->fwinfo.register_spacing = 1; + iik->fwinfo.memspace = IPMI_MEMSPACE_IO; + iik->fwinfo.irq_type = IPMI_LEVEL_IRQ; + iik->fwinfo.interrupt_number = iik->isairq; + iik->fwinfo.acpi_parent = "\\_SB.PCI0.ISA"; + ipmi_add_fwinfo(&iik->fwinfo, errp); +} + +const VMStateDescription vmstate_ISAIPMIKCSDevice = { + .name = TYPE_IPMI_INTERFACE, + .version_id = 1, + .minimum_version_id = 1, + .fields = (VMStateField[]) { + VMSTATE_BOOL(kcs.obf_irq_set, ISAIPMIKCSDevice), + VMSTATE_BOOL(kcs.atn_irq_set, ISAIPMIKCSDevice), + VMSTATE_BOOL(kcs.use_irq, ISAIPMIKCSDevice), + VMSTATE_BOOL(kcs.irqs_enabled, ISAIPMIKCSDevice), + VMSTATE_UINT32(kcs.outpos, ISAIPMIKCSDevice), + VMSTATE_VBUFFER_UINT32(kcs.outmsg, ISAIPMIKCSDevice, 1, NULL, 0, + kcs.outlen), + VMSTATE_VBUFFER_UINT32(kcs.inmsg, ISAIPMIKCSDevice, 1, NULL, 0, + kcs.inlen), + VMSTATE_BOOL(kcs.write_end, ISAIPMIKCSDevice), + VMSTATE_UINT8(kcs.status_reg, ISAIPMIKCSDevice), + VMSTATE_UINT8(kcs.data_out_reg, ISAIPMIKCSDevice), + VMSTATE_INT16(kcs.data_in_reg, ISAIPMIKCSDevice), + VMSTATE_INT16(kcs.cmd_reg, ISAIPMIKCSDevice), + VMSTATE_UINT8(kcs.waiting_rsp, ISAIPMIKCSDevice), + VMSTATE_END_OF_LIST() + } +}; + +static void isa_ipmi_kcs_init(Object *obj) +{ + ISAIPMIKCSDevice *iik = ISA_IPMI_KCS(obj); + + ipmi_bmc_find_and_link(obj, (Object **) &iik->kcs.bmc); + + vmstate_register(NULL, 0, &vmstate_ISAIPMIKCSDevice, iik); +} + +static void *isa_ipmi_kcs_get_backend_data(IPMIInterface *ii) +{ + ISAIPMIKCSDevice *iik = ISA_IPMI_KCS(ii); + + return &iik->kcs; +} + +static Property ipmi_isa_properties[] = { + DEFINE_PROP_UINT32("ioport", ISAIPMIKCSDevice, kcs.io_base, 0xca2), + DEFINE_PROP_INT32("irq", ISAIPMIKCSDevice, isairq, 5), + DEFINE_PROP_END_OF_LIST(), +}; + +static void isa_ipmi_kcs_class_init(ObjectClass *oc, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(oc); + IPMIInterfaceClass *iic = IPMI_INTERFACE_CLASS(oc); + + dc->realize = ipmi_isa_realize; + dc->props = ipmi_isa_properties; + + iic->get_backend_data = isa_ipmi_kcs_get_backend_data; + ipmi_kcs_class_init(iic); +} + +static const TypeInfo isa_ipmi_kcs_info = { + .name = TYPE_ISA_IPMI_KCS, + .parent = TYPE_ISA_DEVICE, + .instance_size = sizeof(ISAIPMIKCSDevice), + .instance_init = isa_ipmi_kcs_init, + .class_init = isa_ipmi_kcs_class_init, + .interfaces = (InterfaceInfo[]) { + { TYPE_IPMI_INTERFACE }, + { } + } +}; + +static void ipmi_register_types(void) +{ + type_register_static(&isa_ipmi_kcs_info); +} + +type_init(ipmi_register_types) diff --git a/hw/mem/Makefile.objs b/hw/mem/Makefile.objs index b000fb42bf..f12f8b97a2 100644 --- a/hw/mem/Makefile.objs +++ b/hw/mem/Makefile.objs @@ -1 +1,2 @@ common-obj-$(CONFIG_MEM_HOTPLUG) += pc-dimm.o +common-obj-$(CONFIG_NVDIMM) += nvdimm.o diff --git a/hw/mem/nvdimm.c b/hw/mem/nvdimm.c new file mode 100644 index 0000000000..4fd397f015 --- /dev/null +++ b/hw/mem/nvdimm.c @@ -0,0 +1,46 @@ +/* + * Non-Volatile Dual In-line Memory Module Virtualization Implementation + * + * Copyright(C) 2015 Intel Corporation. + * + * Author: + * Xiao Guangrong <guangrong.xiao@linux.intel.com> + * + * Currently, it only supports PMEM Virtualization. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, see <http://www.gnu.org/licenses/> + */ + +#include "hw/mem/nvdimm.h" + +static void nvdimm_class_init(ObjectClass *oc, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(oc); + + /* nvdimm hotplug has not been supported yet. */ + dc->hotpluggable = false; +} + +static TypeInfo nvdimm_info = { + .name = TYPE_NVDIMM, + .parent = TYPE_PC_DIMM, + .class_init = nvdimm_class_init, +}; + +static void nvdimm_register_types(void) +{ + type_register_static(&nvdimm_info); +} + +type_init(nvdimm_register_types) diff --git a/hw/pci-bridge/pci_expander_bridge.c b/hw/pci-bridge/pci_expander_bridge.c index 57f8a3762b..bb98fb2e46 100644 --- a/hw/pci-bridge/pci_expander_bridge.c +++ b/hw/pci-bridge/pci_expander_bridge.c @@ -23,6 +23,9 @@ #define TYPE_PXB_BUS "pxb-bus" #define PXB_BUS(obj) OBJECT_CHECK(PXBBus, (obj), TYPE_PXB_BUS) +#define TYPE_PXB_PCIE_BUS "pxb-pcie-bus" +#define PXB_PCIE_BUS(obj) OBJECT_CHECK(PXBBus, (obj), TYPE_PXB_PCIE_BUS) + typedef struct PXBBus { /*< private >*/ PCIBus parent_obj; @@ -34,6 +37,9 @@ typedef struct PXBBus { #define TYPE_PXB_DEVICE "pxb" #define PXB_DEV(obj) OBJECT_CHECK(PXBDev, (obj), TYPE_PXB_DEVICE) +#define TYPE_PXB_PCIE_DEVICE "pxb-pcie" +#define PXB_PCIE_DEV(obj) OBJECT_CHECK(PXBDev, (obj), TYPE_PXB_PCIE_DEVICE) + typedef struct PXBDev { /*< private >*/ PCIDevice parent_obj; @@ -43,13 +49,18 @@ typedef struct PXBDev { uint16_t numa_node; } PXBDev; +static PXBDev *convert_to_pxb(PCIDevice *dev) +{ + return pci_bus_is_express(dev->bus) ? PXB_PCIE_DEV(dev) : PXB_DEV(dev); +} + static GList *pxb_dev_list; #define TYPE_PXB_HOST "pxb-host" static int pxb_bus_num(PCIBus *bus) { - PXBDev *pxb = PXB_DEV(bus->parent_dev); + PXBDev *pxb = convert_to_pxb(bus->parent_dev); return pxb->bus_nr; } @@ -61,7 +72,7 @@ static bool pxb_is_root(PCIBus *bus) static uint16_t pxb_bus_numa_node(PCIBus *bus) { - PXBDev *pxb = PXB_DEV(bus->parent_dev); + PXBDev *pxb = convert_to_pxb(bus->parent_dev); return pxb->numa_node; } @@ -82,10 +93,18 @@ static const TypeInfo pxb_bus_info = { .class_init = pxb_bus_class_init, }; +static const TypeInfo pxb_pcie_bus_info = { + .name = TYPE_PXB_PCIE_BUS, + .parent = TYPE_PCIE_BUS, + .instance_size = sizeof(PXBBus), + .class_init = pxb_bus_class_init, +}; + static const char *pxb_host_root_bus_path(PCIHostState *host_bridge, PCIBus *rootbus) { - PXBBus *bus = PXB_BUS(rootbus); + PXBBus *bus = pci_bus_is_express(rootbus) ? + PXB_PCIE_BUS(rootbus) : PXB_BUS(rootbus); snprintf(bus->bus_path, 8, "0000:%02x", pxb_bus_num(rootbus)); return bus->bus_path; @@ -103,7 +122,7 @@ static char *pxb_host_ofw_unit_address(const SysBusDevice *dev) pxb_host = PCI_HOST_BRIDGE(dev); pxb_bus = pxb_host->bus; - pxb_dev = PXB_DEV(pxb_bus->parent_dev); + pxb_dev = convert_to_pxb(pxb_bus->parent_dev); position = g_list_index(pxb_dev_list, pxb_dev); assert(position >= 0); @@ -193,10 +212,10 @@ static gint pxb_compare(gconstpointer a, gconstpointer b) 0; } -static int pxb_dev_initfn(PCIDevice *dev) +static int pxb_dev_init_common(PCIDevice *dev, bool pcie) { - PXBDev *pxb = PXB_DEV(dev); - DeviceState *ds, *bds; + PXBDev *pxb = convert_to_pxb(dev); + DeviceState *ds, *bds = NULL; PCIBus *bus; const char *dev_name = NULL; @@ -211,18 +230,21 @@ static int pxb_dev_initfn(PCIDevice *dev) } ds = qdev_create(NULL, TYPE_PXB_HOST); - bus = pci_bus_new(ds, "pxb-internal", NULL, NULL, 0, TYPE_PXB_BUS); + if (pcie) { + bus = pci_bus_new(ds, dev_name, NULL, NULL, 0, TYPE_PXB_PCIE_BUS); + } else { + bus = pci_bus_new(ds, "pxb-internal", NULL, NULL, 0, TYPE_PXB_BUS); + bds = qdev_create(BUS(bus), "pci-bridge"); + bds->id = dev_name; + qdev_prop_set_uint8(bds, PCI_BRIDGE_DEV_PROP_CHASSIS_NR, pxb->bus_nr); + qdev_prop_set_bit(bds, PCI_BRIDGE_DEV_PROP_SHPC, false); + } bus->parent_dev = dev; bus->address_space_mem = dev->bus->address_space_mem; bus->address_space_io = dev->bus->address_space_io; bus->map_irq = pxb_map_irq_fn; - bds = qdev_create(BUS(bus), "pci-bridge"); - bds->id = dev_name; - qdev_prop_set_uint8(bds, PCI_BRIDGE_DEV_PROP_CHASSIS_NR, pxb->bus_nr); - qdev_prop_set_bit(bds, PCI_BRIDGE_DEV_PROP_SHPC, false); - PCI_HOST_BRIDGE(ds)->bus = bus; if (pxb_register_bus(dev, bus)) { @@ -230,7 +252,9 @@ static int pxb_dev_initfn(PCIDevice *dev) } qdev_init_nofail(ds); - qdev_init_nofail(bds); + if (bds) { + qdev_init_nofail(bds); + } pci_word_test_and_set_mask(dev->config + PCI_STATUS, PCI_STATUS_66MHZ | PCI_STATUS_FAST_BACK); @@ -240,9 +264,19 @@ static int pxb_dev_initfn(PCIDevice *dev) return 0; } +static int pxb_dev_initfn(PCIDevice *dev) +{ + if (pci_bus_is_express(dev->bus)) { + error_report("pxb devices cannot reside on a PCIe bus!"); + return -EINVAL; + } + + return pxb_dev_init_common(dev, false); +} + static void pxb_dev_exitfn(PCIDevice *pci_dev) { - PXBDev *pxb = PXB_DEV(pci_dev); + PXBDev *pxb = convert_to_pxb(pci_dev); pxb_dev_list = g_list_remove(pxb_dev_list, pxb); } @@ -276,11 +310,45 @@ static const TypeInfo pxb_dev_info = { .class_init = pxb_dev_class_init, }; +static int pxb_pcie_dev_initfn(PCIDevice *dev) +{ + if (!pci_bus_is_express(dev->bus)) { + error_report("pxb-pcie devices cannot reside on a PCI bus!"); + return -EINVAL; + } + + return pxb_dev_init_common(dev, true); +} + +static void pxb_pcie_dev_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); + + k->init = pxb_pcie_dev_initfn; + k->exit = pxb_dev_exitfn; + k->vendor_id = PCI_VENDOR_ID_REDHAT; + k->device_id = PCI_DEVICE_ID_REDHAT_PXB_PCIE; + k->class_id = PCI_CLASS_BRIDGE_HOST; + + dc->desc = "PCI Express Expander Bridge"; + dc->props = pxb_dev_properties; +} + +static const TypeInfo pxb_pcie_dev_info = { + .name = TYPE_PXB_PCIE_DEVICE, + .parent = TYPE_PCI_DEVICE, + .instance_size = sizeof(PXBDev), + .class_init = pxb_pcie_dev_class_init, +}; + static void pxb_register_types(void) { type_register_static(&pxb_bus_info); + type_register_static(&pxb_pcie_bus_info); type_register_static(&pxb_host_info); type_register_static(&pxb_dev_info); + type_register_static(&pxb_pcie_dev_info); } type_init(pxb_register_types) diff --git a/include/hw/acpi/aml-build.h b/include/hw/acpi/aml-build.h index 0d3645322c..ef44d02285 100644 --- a/include/hw/acpi/aml-build.h +++ b/include/hw/acpi/aml-build.h @@ -35,6 +35,24 @@ struct Aml { typedef struct Aml Aml; typedef enum { + AML_COMPATIBILITY = 0, + AML_TYPEA = 1, + AML_TYPEB = 2, + AML_TYPEF = 3, +} AmlDmaType; + +typedef enum { + AML_NOTBUSMASTER = 0, + AML_BUSMASTER = 1, +} AmlDmaBusMaster; + +typedef enum { + AML_TRANSFER8 = 0, + AML_TRANSFER8_16 = 1, + AML_TRANSFER16 = 2, +} AmlTransferSize; + +typedef enum { AML_DECODE10 = 0, AML_DECODE16 = 1, } AmlIODecode; @@ -49,6 +67,11 @@ typedef enum { } AmlAccessType; typedef enum { + AML_NOLOCK = 0, + AML_LOCK = 1, +} AmlLockRule; + +typedef enum { AML_PRESERVE = 0, AML_WRITE_AS_ONES = 1, AML_WRITE_AS_ZEROS = 2, @@ -224,16 +247,23 @@ Aml *aml_name_decl(const char *name, Aml *val); Aml *aml_return(Aml *val); Aml *aml_int(const uint64_t val); Aml *aml_arg(int pos); +Aml *aml_to_integer(Aml *arg); +Aml *aml_to_hexstring(Aml *src, Aml *dst); +Aml *aml_to_buffer(Aml *src, Aml *dst); Aml *aml_store(Aml *val, Aml *target); -Aml *aml_and(Aml *arg1, Aml *arg2); -Aml *aml_or(Aml *arg1, Aml *arg2); +Aml *aml_and(Aml *arg1, Aml *arg2, Aml *dst); +Aml *aml_or(Aml *arg1, Aml *arg2, Aml *dst); +Aml *aml_lor(Aml *arg1, Aml *arg2); Aml *aml_shiftleft(Aml *arg1, Aml *count); -Aml *aml_shiftright(Aml *arg1, Aml *count); +Aml *aml_shiftright(Aml *arg1, Aml *count, Aml *dst); Aml *aml_lless(Aml *arg1, Aml *arg2); -Aml *aml_add(Aml *arg1, Aml *arg2); +Aml *aml_add(Aml *arg1, Aml *arg2, Aml *dst); +Aml *aml_subtract(Aml *arg1, Aml *arg2, Aml *dst); Aml *aml_increment(Aml *arg); +Aml *aml_decrement(Aml *arg); Aml *aml_index(Aml *arg1, Aml *idx); Aml *aml_notify(Aml *arg1, Aml *arg2); +Aml *aml_call0(const char *method); Aml *aml_call1(const char *method, Aml *arg1); Aml *aml_call2(const char *method, Aml *arg1, Aml *arg2); Aml *aml_call3(const char *method, Aml *arg1, Aml *arg2, Aml *arg3); @@ -262,6 +292,8 @@ Aml *aml_local(int num); Aml *aml_string(const char *name_format, ...) GCC_FMT_ATTR(1, 2); Aml *aml_lnot(Aml *arg); Aml *aml_equal(Aml *arg1, Aml *arg2); +Aml *aml_lgreater(Aml *arg1, Aml *arg2); +Aml *aml_lgreater_equal(Aml *arg1, Aml *arg2); Aml *aml_processor(uint8_t proc_id, uint32_t pblk_addr, uint8_t pblk_len, const char *name_format, ...) GCC_FMT_ATTR(4, 5); Aml *aml_eisaid(const char *str); @@ -291,6 +323,9 @@ Aml *aml_qword_memory(AmlDecode dec, AmlMinFixed min_fixed, uint64_t addr_gran, uint64_t addr_min, uint64_t addr_max, uint64_t addr_trans, uint64_t len); +Aml *aml_dma(AmlDmaType typ, AmlDmaBusMaster bm, AmlTransferSize sz, + uint8_t channel); +Aml *aml_sleep(uint64_t msec); /* Block AML object primitives */ Aml *aml_scope(const char *name_format, ...) GCC_FMT_ATTR(1, 2); @@ -302,15 +337,24 @@ Aml *aml_while(Aml *predicate); Aml *aml_package(uint8_t num_elements); Aml *aml_buffer(int buffer_size, uint8_t *byte_list); Aml *aml_resource_template(void); -Aml *aml_field(const char *name, AmlAccessType type, AmlUpdateRule rule); +Aml *aml_field(const char *name, AmlAccessType type, AmlLockRule lock, + AmlUpdateRule rule); +Aml *aml_mutex(const char *name, uint8_t sync_level); +Aml *aml_acquire(Aml *mutex, uint16_t timeout); +Aml *aml_release(Aml *mutex); +Aml *aml_alias(const char *source_object, const char *alias_object); Aml *aml_create_dword_field(Aml *srcbuf, Aml *index, const char *name); +Aml *aml_create_qword_field(Aml *srcbuf, Aml *index, const char *name); Aml *aml_varpackage(uint32_t num_elements); Aml *aml_touuid(const char *uuid); Aml *aml_unicode(const char *str); +Aml *aml_derefof(Aml *arg); +Aml *aml_sizeof(Aml *arg); void build_header(GArray *linker, GArray *table_data, - AcpiTableHeader *h, const char *sig, int len, uint8_t rev); + AcpiTableHeader *h, const char *sig, int len, uint8_t rev, + const char *oem_table_id); void *acpi_data_push(GArray *table_data, unsigned size); unsigned acpi_data_len(GArray *table); void acpi_add_table(GArray *table_offsets, GArray *table_data); diff --git a/include/hw/boards.h b/include/hw/boards.h index f19df9769c..051db5ed25 100644 --- a/include/hw/boards.h +++ b/include/hw/boards.h @@ -93,6 +93,8 @@ struct MachineClass { GlobalProperty *compat_props; const char *hw_version; ram_addr_t default_ram_size; + bool option_rom_has_mr; + bool rom_file_has_mr; HotplugHandler *(*get_hotplug_handler)(MachineState *machine, DeviceState *dev); diff --git a/include/hw/compat.h b/include/hw/compat.h index bcb36ef836..3d8d2a9244 100644 --- a/include/hw/compat.h +++ b/include/hw/compat.h @@ -1,88 +1,91 @@ #ifndef HW_COMPAT_H #define HW_COMPAT_H +#define HW_COMPAT_2_5 \ + /* empty */ + #define HW_COMPAT_2_4 \ - {\ - .driver = "virtio-blk-device",\ - .property = "scsi",\ - .value = "true",\ - },{\ - .driver = "pvscsi",\ - .property = "x-old-pci-configuration",\ - .value = "on",\ - },{\ - .driver = "pvscsi",\ - .property = "x-disable-pcie",\ - .value = "on",\ - },{\ - .driver = "e1000",\ - .property = "extra_mac_registers",\ - .value = "off",\ - },{\ - .driver = "virtio-pci",\ - .property = "x-disable-pcie",\ - .value = "on",\ - },{\ - .driver = "virtio-pci",\ - .property = "migrate-extra",\ - .value = "off",\ - }, + {\ + .driver = "virtio-blk-device",\ + .property = "scsi",\ + .value = "true",\ + },{\ + .driver = "pvscsi",\ + .property = "x-old-pci-configuration",\ + .value = "on",\ + },{\ + .driver = "pvscsi",\ + .property = "x-disable-pcie",\ + .value = "on",\ + },{\ + .driver = "e1000",\ + .property = "extra_mac_registers",\ + .value = "off",\ + },{\ + .driver = "virtio-pci",\ + .property = "x-disable-pcie",\ + .value = "on",\ + },{\ + .driver = "virtio-pci",\ + .property = "migrate-extra",\ + .value = "off",\ + }, #define HW_COMPAT_2_3 \ - {\ - .driver = "virtio-blk-pci",\ - .property = "any_layout",\ - .value = "off",\ - },{\ - .driver = "virtio-balloon-pci",\ - .property = "any_layout",\ - .value = "off",\ - },{\ - .driver = "virtio-serial-pci",\ - .property = "any_layout",\ - .value = "off",\ - },{\ - .driver = "virtio-9p-pci",\ - .property = "any_layout",\ - .value = "off",\ - },{\ - .driver = "virtio-rng-pci",\ - .property = "any_layout",\ - .value = "off",\ - }, + {\ + .driver = "virtio-blk-pci",\ + .property = "any_layout",\ + .value = "off",\ + },{\ + .driver = "virtio-balloon-pci",\ + .property = "any_layout",\ + .value = "off",\ + },{\ + .driver = "virtio-serial-pci",\ + .property = "any_layout",\ + .value = "off",\ + },{\ + .driver = "virtio-9p-pci",\ + .property = "any_layout",\ + .value = "off",\ + },{\ + .driver = "virtio-rng-pci",\ + .property = "any_layout",\ + .value = "off",\ + }, #define HW_COMPAT_2_2 \ - /* empty */ + /* empty */ #define HW_COMPAT_2_1 \ - {\ - .driver = "intel-hda",\ - .property = "old_msi_addr",\ - .value = "on",\ - },{\ - .driver = "VGA",\ - .property = "qemu-extended-regs",\ - .value = "off",\ - },{\ - .driver = "secondary-vga",\ - .property = "qemu-extended-regs",\ - .value = "off",\ - },{\ - .driver = "virtio-scsi-pci",\ - .property = "any_layout",\ - .value = "off",\ - },{\ - .driver = "usb-mouse",\ - .property = "usb_version",\ - .value = stringify(1),\ - },{\ - .driver = "usb-kbd",\ - .property = "usb_version",\ - .value = stringify(1),\ - },{\ - .driver = "virtio-pci",\ - .property = "virtio-pci-bus-master-bug-migration",\ - .value = "on",\ - }, + {\ + .driver = "intel-hda",\ + .property = "old_msi_addr",\ + .value = "on",\ + },{\ + .driver = "VGA",\ + .property = "qemu-extended-regs",\ + .value = "off",\ + },{\ + .driver = "secondary-vga",\ + .property = "qemu-extended-regs",\ + .value = "off",\ + },{\ + .driver = "virtio-scsi-pci",\ + .property = "any_layout",\ + .value = "off",\ + },{\ + .driver = "usb-mouse",\ + .property = "usb_version",\ + .value = stringify(1),\ + },{\ + .driver = "usb-kbd",\ + .property = "usb_version",\ + .value = stringify(1),\ + },{\ + .driver = "virtio-pci",\ + .property = "virtio-pci-bus-master-bug-migration",\ + .value = "on",\ + }, #endif /* HW_COMPAT_H */ diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h index 4bf4faf050..b0d6283b25 100644 --- a/include/hw/i386/pc.h +++ b/include/hw/i386/pc.h @@ -36,23 +36,28 @@ /** * PCMachineState: * @acpi_dev: link to ACPI PM device that performs ACPI hotplug handling - * @enforce_aligned_dimm: check that DIMM's address/size is aligned by - * backend's alignment value if provided */ struct PCMachineState { /*< private >*/ MachineState parent_obj; /* <public> */ + + /* State for other subsystems/APIs: */ MemoryHotplugState hotplug_memory; + /* Pointers to devices and objects: */ HotplugHandler *acpi_dev; ISADevice *rtc; + PCIBus *bus; + /* Configuration options: */ uint64_t max_ram_below_4g; OnOffAuto vmport; OnOffAuto smm; - bool enforce_aligned_dimm; + bool nvdimm; + + /* RAM information (sizes, addresses, configuration): */ ram_addr_t below_4g_mem_size, above_4g_mem_size; }; @@ -61,20 +66,60 @@ struct PCMachineState { #define PC_MACHINE_MAX_RAM_BELOW_4G "max-ram-below-4g" #define PC_MACHINE_VMPORT "vmport" #define PC_MACHINE_SMM "smm" -#define PC_MACHINE_ENFORCE_ALIGNED_DIMM "enforce-aligned-dimm" +#define PC_MACHINE_NVDIMM "nvdimm" /** * PCMachineClass: + * + * Methods: + * * @get_hotplug_handler: pointer to parent class callback @get_hotplug_handler + * + * Compat fields: + * + * @enforce_aligned_dimm: check that DIMM's address/size is aligned by + * backend's alignment value if provided + * @acpi_data_size: Size of the chunk of memory at the top of RAM + * for the BIOS ACPI tables and other BIOS + * datastructures. + * @gigabyte_align: Make sure that guest addresses aligned at + * 1Gbyte boundaries get mapped to host + * addresses aligned at 1Gbyte boundaries. This + * way we can use 1GByte pages in the host. + * */ struct PCMachineClass { /*< private >*/ MachineClass parent_class; /*< public >*/ - bool broken_reserved_end; + + /* Methods: */ HotplugHandler *(*get_hotplug_handler)(MachineState *machine, DeviceState *dev); + + /* Device configuration: */ + bool pci_enabled; + bool kvmclock_enabled; + + /* Compat options: */ + + /* ACPI compat: */ + bool has_acpi_build; + bool rsdp_in_ram; + int legacy_acpi_table_size; + unsigned acpi_data_size; + + /* SMBIOS compat: */ + bool smbios_defaults; + bool smbios_legacy_mode; + bool smbios_uuid_encoded; + + /* RAM / address space compat: */ + bool gigabyte_align; + bool has_reserved_memory; + bool enforce_aligned_dimm; + bool broken_reserved_end; }; #define TYPE_PC_MACHINE "generic-pc-machine" @@ -186,8 +231,6 @@ void pc_acpi_init(const char *default_dsdt); PcGuestInfo *pc_guest_info_init(PCMachineState *pcms); -void pc_set_legacy_acpi_data_size(void); - #define PCI_HOST_PROP_PCI_HOLE_START "pci-hole-start" #define PCI_HOST_PROP_PCI_HOLE_END "pci-hole-end" #define PCI_HOST_PROP_PCI_HOLE64_START "pci-hole64-start" @@ -309,485 +352,489 @@ int e820_add_entry(uint64_t, uint64_t, uint32_t); int e820_get_num_entries(void); bool e820_get_entry(int, uint32_t, uint64_t *, uint64_t *); +#define PC_COMPAT_2_5 \ + HW_COMPAT_2_5 + #define PC_COMPAT_2_4 \ - HW_COMPAT_2_4 \ - {\ - .driver = "Haswell-" TYPE_X86_CPU,\ - .property = "abm",\ - .value = "off",\ - },\ - {\ - .driver = "Haswell-noTSX-" TYPE_X86_CPU,\ - .property = "abm",\ - .value = "off",\ - },\ - {\ - .driver = "Broadwell-" TYPE_X86_CPU,\ - .property = "abm",\ - .value = "off",\ - },\ - {\ - .driver = "Broadwell-noTSX-" TYPE_X86_CPU,\ - .property = "abm",\ - .value = "off",\ - },\ - {\ - .driver = "host" "-" TYPE_X86_CPU,\ - .property = "host-cache-info",\ - .value = "on",\ - },\ - {\ - .driver = TYPE_X86_CPU,\ - .property = "check",\ - .value = "off",\ - },\ - {\ - .driver = "qemu64" "-" TYPE_X86_CPU,\ - .property = "sse4a",\ - .value = "on",\ - },\ - {\ - .driver = "qemu64" "-" TYPE_X86_CPU,\ - .property = "abm",\ - .value = "on",\ - },\ - {\ - .driver = "qemu64" "-" TYPE_X86_CPU,\ - .property = "popcnt",\ - .value = "on",\ - },\ - {\ - .driver = "qemu32" "-" TYPE_X86_CPU,\ - .property = "popcnt",\ - .value = "on",\ - },{\ - .driver = "Opteron_G2" "-" TYPE_X86_CPU,\ - .property = "rdtscp",\ - .value = "on",\ - },{\ - .driver = "Opteron_G3" "-" TYPE_X86_CPU,\ - .property = "rdtscp",\ - .value = "on",\ - },{\ - .driver = "Opteron_G4" "-" TYPE_X86_CPU,\ - .property = "rdtscp",\ - .value = "on",\ - },{\ - .driver = "Opteron_G5" "-" TYPE_X86_CPU,\ - .property = "rdtscp",\ - .value = "on",\ - }, + PC_COMPAT_2_5 \ + HW_COMPAT_2_4 \ + {\ + .driver = "Haswell-" TYPE_X86_CPU,\ + .property = "abm",\ + .value = "off",\ + },\ + {\ + .driver = "Haswell-noTSX-" TYPE_X86_CPU,\ + .property = "abm",\ + .value = "off",\ + },\ + {\ + .driver = "Broadwell-" TYPE_X86_CPU,\ + .property = "abm",\ + .value = "off",\ + },\ + {\ + .driver = "Broadwell-noTSX-" TYPE_X86_CPU,\ + .property = "abm",\ + .value = "off",\ + },\ + {\ + .driver = "host" "-" TYPE_X86_CPU,\ + .property = "host-cache-info",\ + .value = "on",\ + },\ + {\ + .driver = TYPE_X86_CPU,\ + .property = "check",\ + .value = "off",\ + },\ + {\ + .driver = "qemu64" "-" TYPE_X86_CPU,\ + .property = "sse4a",\ + .value = "on",\ + },\ + {\ + .driver = "qemu64" "-" TYPE_X86_CPU,\ + .property = "abm",\ + .value = "on",\ + },\ + {\ + .driver = "qemu64" "-" TYPE_X86_CPU,\ + .property = "popcnt",\ + .value = "on",\ + },\ + {\ + .driver = "qemu32" "-" TYPE_X86_CPU,\ + .property = "popcnt",\ + .value = "on",\ + },{\ + .driver = "Opteron_G2" "-" TYPE_X86_CPU,\ + .property = "rdtscp",\ + .value = "on",\ + },{\ + .driver = "Opteron_G3" "-" TYPE_X86_CPU,\ + .property = "rdtscp",\ + .value = "on",\ + },{\ + .driver = "Opteron_G4" "-" TYPE_X86_CPU,\ + .property = "rdtscp",\ + .value = "on",\ + },{\ + .driver = "Opteron_G5" "-" TYPE_X86_CPU,\ + .property = "rdtscp",\ + .value = "on",\ + }, #define PC_COMPAT_2_3 \ - PC_COMPAT_2_4 \ - HW_COMPAT_2_3 \ - {\ - .driver = TYPE_X86_CPU,\ - .property = "arat",\ - .value = "off",\ - },{\ - .driver = "qemu64" "-" TYPE_X86_CPU,\ - .property = "level",\ - .value = stringify(4),\ - },{\ - .driver = "kvm64" "-" TYPE_X86_CPU,\ - .property = "level",\ - .value = stringify(5),\ - },{\ - .driver = "pentium3" "-" TYPE_X86_CPU,\ - .property = "level",\ - .value = stringify(2),\ - },{\ - .driver = "n270" "-" TYPE_X86_CPU,\ - .property = "level",\ - .value = stringify(5),\ - },{\ - .driver = "Conroe" "-" TYPE_X86_CPU,\ - .property = "level",\ - .value = stringify(4),\ - },{\ - .driver = "Penryn" "-" TYPE_X86_CPU,\ - .property = "level",\ - .value = stringify(4),\ - },{\ - .driver = "Nehalem" "-" TYPE_X86_CPU,\ - .property = "level",\ - .value = stringify(4),\ - },{\ - .driver = "n270" "-" TYPE_X86_CPU,\ - .property = "xlevel",\ - .value = stringify(0x8000000a),\ - },{\ - .driver = "Penryn" "-" TYPE_X86_CPU,\ - .property = "xlevel",\ - .value = stringify(0x8000000a),\ - },{\ - .driver = "Conroe" "-" TYPE_X86_CPU,\ - .property = "xlevel",\ - .value = stringify(0x8000000a),\ - },{\ - .driver = "Nehalem" "-" TYPE_X86_CPU,\ - .property = "xlevel",\ - .value = stringify(0x8000000a),\ - },{\ - .driver = "Westmere" "-" TYPE_X86_CPU,\ - .property = "xlevel",\ - .value = stringify(0x8000000a),\ - },{\ - .driver = "SandyBridge" "-" TYPE_X86_CPU,\ - .property = "xlevel",\ - .value = stringify(0x8000000a),\ - },{\ - .driver = "IvyBridge" "-" TYPE_X86_CPU,\ - .property = "xlevel",\ - .value = stringify(0x8000000a),\ - },{\ - .driver = "Haswell" "-" TYPE_X86_CPU,\ - .property = "xlevel",\ - .value = stringify(0x8000000a),\ - },{\ - .driver = "Haswell-noTSX" "-" TYPE_X86_CPU,\ - .property = "xlevel",\ - .value = stringify(0x8000000a),\ - },{\ - .driver = "Broadwell" "-" TYPE_X86_CPU,\ - .property = "xlevel",\ - .value = stringify(0x8000000a),\ - },{\ - .driver = "Broadwell-noTSX" "-" TYPE_X86_CPU,\ - .property = "xlevel",\ - .value = stringify(0x8000000a),\ - }, + PC_COMPAT_2_4 \ + HW_COMPAT_2_3 \ + {\ + .driver = TYPE_X86_CPU,\ + .property = "arat",\ + .value = "off",\ + },{\ + .driver = "qemu64" "-" TYPE_X86_CPU,\ + .property = "level",\ + .value = stringify(4),\ + },{\ + .driver = "kvm64" "-" TYPE_X86_CPU,\ + .property = "level",\ + .value = stringify(5),\ + },{\ + .driver = "pentium3" "-" TYPE_X86_CPU,\ + .property = "level",\ + .value = stringify(2),\ + },{\ + .driver = "n270" "-" TYPE_X86_CPU,\ + .property = "level",\ + .value = stringify(5),\ + },{\ + .driver = "Conroe" "-" TYPE_X86_CPU,\ + .property = "level",\ + .value = stringify(4),\ + },{\ + .driver = "Penryn" "-" TYPE_X86_CPU,\ + .property = "level",\ + .value = stringify(4),\ + },{\ + .driver = "Nehalem" "-" TYPE_X86_CPU,\ + .property = "level",\ + .value = stringify(4),\ + },{\ + .driver = "n270" "-" TYPE_X86_CPU,\ + .property = "xlevel",\ + .value = stringify(0x8000000a),\ + },{\ + .driver = "Penryn" "-" TYPE_X86_CPU,\ + .property = "xlevel",\ + .value = stringify(0x8000000a),\ + },{\ + .driver = "Conroe" "-" TYPE_X86_CPU,\ + .property = "xlevel",\ + .value = stringify(0x8000000a),\ + },{\ + .driver = "Nehalem" "-" TYPE_X86_CPU,\ + .property = "xlevel",\ + .value = stringify(0x8000000a),\ + },{\ + .driver = "Westmere" "-" TYPE_X86_CPU,\ + .property = "xlevel",\ + .value = stringify(0x8000000a),\ + },{\ + .driver = "SandyBridge" "-" TYPE_X86_CPU,\ + .property = "xlevel",\ + .value = stringify(0x8000000a),\ + },{\ + .driver = "IvyBridge" "-" TYPE_X86_CPU,\ + .property = "xlevel",\ + .value = stringify(0x8000000a),\ + },{\ + .driver = "Haswell" "-" TYPE_X86_CPU,\ + .property = "xlevel",\ + .value = stringify(0x8000000a),\ + },{\ + .driver = "Haswell-noTSX" "-" TYPE_X86_CPU,\ + .property = "xlevel",\ + .value = stringify(0x8000000a),\ + },{\ + .driver = "Broadwell" "-" TYPE_X86_CPU,\ + .property = "xlevel",\ + .value = stringify(0x8000000a),\ + },{\ + .driver = "Broadwell-noTSX" "-" TYPE_X86_CPU,\ + .property = "xlevel",\ + .value = stringify(0x8000000a),\ + }, #define PC_COMPAT_2_2 \ - PC_COMPAT_2_3 \ - HW_COMPAT_2_2 \ - {\ - .driver = "kvm64" "-" TYPE_X86_CPU,\ - .property = "vme",\ - .value = "off",\ - },\ - {\ - .driver = "kvm32" "-" TYPE_X86_CPU,\ - .property = "vme",\ - .value = "off",\ - },\ - {\ - .driver = "Conroe" "-" TYPE_X86_CPU,\ - .property = "vme",\ - .value = "off",\ - },\ - {\ - .driver = "Penryn" "-" TYPE_X86_CPU,\ - .property = "vme",\ - .value = "off",\ - },\ - {\ - .driver = "Nehalem" "-" TYPE_X86_CPU,\ - .property = "vme",\ - .value = "off",\ - },\ - {\ - .driver = "Westmere" "-" TYPE_X86_CPU,\ - .property = "vme",\ - .value = "off",\ - },\ - {\ - .driver = "SandyBridge" "-" TYPE_X86_CPU,\ - .property = "vme",\ - .value = "off",\ - },\ - {\ - .driver = "Haswell" "-" TYPE_X86_CPU,\ - .property = "vme",\ - .value = "off",\ - },\ - {\ - .driver = "Broadwell" "-" TYPE_X86_CPU,\ - .property = "vme",\ - .value = "off",\ - },\ - {\ - .driver = "Opteron_G1" "-" TYPE_X86_CPU,\ - .property = "vme",\ - .value = "off",\ - },\ - {\ - .driver = "Opteron_G2" "-" TYPE_X86_CPU,\ - .property = "vme",\ - .value = "off",\ - },\ - {\ - .driver = "Opteron_G3" "-" TYPE_X86_CPU,\ - .property = "vme",\ - .value = "off",\ - },\ - {\ - .driver = "Opteron_G4" "-" TYPE_X86_CPU,\ - .property = "vme",\ - .value = "off",\ - },\ - {\ - .driver = "Opteron_G5" "-" TYPE_X86_CPU,\ - .property = "vme",\ - .value = "off",\ - },\ - {\ - .driver = "Haswell" "-" TYPE_X86_CPU,\ - .property = "f16c",\ - .value = "off",\ - },\ - {\ - .driver = "Haswell" "-" TYPE_X86_CPU,\ - .property = "rdrand",\ - .value = "off",\ - },\ - {\ - .driver = "Broadwell" "-" TYPE_X86_CPU,\ - .property = "f16c",\ - .value = "off",\ - },\ - {\ - .driver = "Broadwell" "-" TYPE_X86_CPU,\ - .property = "rdrand",\ - .value = "off",\ - }, + PC_COMPAT_2_3 \ + HW_COMPAT_2_2 \ + {\ + .driver = "kvm64" "-" TYPE_X86_CPU,\ + .property = "vme",\ + .value = "off",\ + },\ + {\ + .driver = "kvm32" "-" TYPE_X86_CPU,\ + .property = "vme",\ + .value = "off",\ + },\ + {\ + .driver = "Conroe" "-" TYPE_X86_CPU,\ + .property = "vme",\ + .value = "off",\ + },\ + {\ + .driver = "Penryn" "-" TYPE_X86_CPU,\ + .property = "vme",\ + .value = "off",\ + },\ + {\ + .driver = "Nehalem" "-" TYPE_X86_CPU,\ + .property = "vme",\ + .value = "off",\ + },\ + {\ + .driver = "Westmere" "-" TYPE_X86_CPU,\ + .property = "vme",\ + .value = "off",\ + },\ + {\ + .driver = "SandyBridge" "-" TYPE_X86_CPU,\ + .property = "vme",\ + .value = "off",\ + },\ + {\ + .driver = "Haswell" "-" TYPE_X86_CPU,\ + .property = "vme",\ + .value = "off",\ + },\ + {\ + .driver = "Broadwell" "-" TYPE_X86_CPU,\ + .property = "vme",\ + .value = "off",\ + },\ + {\ + .driver = "Opteron_G1" "-" TYPE_X86_CPU,\ + .property = "vme",\ + .value = "off",\ + },\ + {\ + .driver = "Opteron_G2" "-" TYPE_X86_CPU,\ + .property = "vme",\ + .value = "off",\ + },\ + {\ + .driver = "Opteron_G3" "-" TYPE_X86_CPU,\ + .property = "vme",\ + .value = "off",\ + },\ + {\ + .driver = "Opteron_G4" "-" TYPE_X86_CPU,\ + .property = "vme",\ + .value = "off",\ + },\ + {\ + .driver = "Opteron_G5" "-" TYPE_X86_CPU,\ + .property = "vme",\ + .value = "off",\ + },\ + {\ + .driver = "Haswell" "-" TYPE_X86_CPU,\ + .property = "f16c",\ + .value = "off",\ + },\ + {\ + .driver = "Haswell" "-" TYPE_X86_CPU,\ + .property = "rdrand",\ + .value = "off",\ + },\ + {\ + .driver = "Broadwell" "-" TYPE_X86_CPU,\ + .property = "f16c",\ + .value = "off",\ + },\ + {\ + .driver = "Broadwell" "-" TYPE_X86_CPU,\ + .property = "rdrand",\ + .value = "off",\ + }, #define PC_COMPAT_2_1 \ - PC_COMPAT_2_2 \ - HW_COMPAT_2_1 \ - {\ - .driver = "coreduo" "-" TYPE_X86_CPU,\ - .property = "vmx",\ - .value = "on",\ - },\ - {\ - .driver = "core2duo" "-" TYPE_X86_CPU,\ - .property = "vmx",\ - .value = "on",\ - }, + PC_COMPAT_2_2 \ + HW_COMPAT_2_1 \ + {\ + .driver = "coreduo" "-" TYPE_X86_CPU,\ + .property = "vmx",\ + .value = "on",\ + },\ + {\ + .driver = "core2duo" "-" TYPE_X86_CPU,\ + .property = "vmx",\ + .value = "on",\ + }, #define PC_COMPAT_2_0 \ - PC_COMPAT_2_1 \ - {\ - .driver = "virtio-scsi-pci",\ - .property = "any_layout",\ - .value = "off",\ - },{\ - .driver = "PIIX4_PM",\ - .property = "memory-hotplug-support",\ - .value = "off",\ - },\ - {\ - .driver = "apic",\ - .property = "version",\ - .value = stringify(0x11),\ - },\ - {\ - .driver = "nec-usb-xhci",\ - .property = "superspeed-ports-first",\ - .value = "off",\ - },\ - {\ - .driver = "nec-usb-xhci",\ - .property = "force-pcie-endcap",\ - .value = "on",\ - },\ - {\ - .driver = "pci-serial",\ - .property = "prog_if",\ - .value = stringify(0),\ - },\ - {\ - .driver = "pci-serial-2x",\ - .property = "prog_if",\ - .value = stringify(0),\ - },\ - {\ - .driver = "pci-serial-4x",\ - .property = "prog_if",\ - .value = stringify(0),\ - },\ - {\ - .driver = "virtio-net-pci",\ - .property = "guest_announce",\ - .value = "off",\ - },\ - {\ - .driver = "ICH9-LPC",\ - .property = "memory-hotplug-support",\ - .value = "off",\ - },{\ - .driver = "xio3130-downstream",\ - .property = COMPAT_PROP_PCP,\ - .value = "off",\ - },{\ - .driver = "ioh3420",\ - .property = COMPAT_PROP_PCP,\ - .value = "off",\ - }, + PC_COMPAT_2_1 \ + {\ + .driver = "virtio-scsi-pci",\ + .property = "any_layout",\ + .value = "off",\ + },{\ + .driver = "PIIX4_PM",\ + .property = "memory-hotplug-support",\ + .value = "off",\ + },\ + {\ + .driver = "apic",\ + .property = "version",\ + .value = stringify(0x11),\ + },\ + {\ + .driver = "nec-usb-xhci",\ + .property = "superspeed-ports-first",\ + .value = "off",\ + },\ + {\ + .driver = "nec-usb-xhci",\ + .property = "force-pcie-endcap",\ + .value = "on",\ + },\ + {\ + .driver = "pci-serial",\ + .property = "prog_if",\ + .value = stringify(0),\ + },\ + {\ + .driver = "pci-serial-2x",\ + .property = "prog_if",\ + .value = stringify(0),\ + },\ + {\ + .driver = "pci-serial-4x",\ + .property = "prog_if",\ + .value = stringify(0),\ + },\ + {\ + .driver = "virtio-net-pci",\ + .property = "guest_announce",\ + .value = "off",\ + },\ + {\ + .driver = "ICH9-LPC",\ + .property = "memory-hotplug-support",\ + .value = "off",\ + },{\ + .driver = "xio3130-downstream",\ + .property = COMPAT_PROP_PCP,\ + .value = "off",\ + },{\ + .driver = "ioh3420",\ + .property = COMPAT_PROP_PCP,\ + .value = "off",\ + }, #define PC_COMPAT_1_7 \ - PC_COMPAT_2_0 \ - {\ - .driver = TYPE_USB_DEVICE,\ - .property = "msos-desc",\ - .value = "no",\ - },\ - {\ - .driver = "PIIX4_PM",\ - .property = "acpi-pci-hotplug-with-bridge-support",\ - .value = "off",\ - },\ - {\ - .driver = "hpet",\ - .property = HPET_INTCAP,\ - .value = stringify(4),\ - }, + PC_COMPAT_2_0 \ + {\ + .driver = TYPE_USB_DEVICE,\ + .property = "msos-desc",\ + .value = "no",\ + },\ + {\ + .driver = "PIIX4_PM",\ + .property = "acpi-pci-hotplug-with-bridge-support",\ + .value = "off",\ + },\ + {\ + .driver = "hpet",\ + .property = HPET_INTCAP,\ + .value = stringify(4),\ + }, #define PC_COMPAT_1_6 \ - PC_COMPAT_1_7 \ - {\ - .driver = "e1000",\ - .property = "mitigation",\ - .value = "off",\ - },{\ - .driver = "qemu64-" TYPE_X86_CPU,\ - .property = "model",\ - .value = stringify(2),\ - },{\ - .driver = "qemu32-" TYPE_X86_CPU,\ - .property = "model",\ - .value = stringify(3),\ - },{\ - .driver = "i440FX-pcihost",\ - .property = "short_root_bus",\ - .value = stringify(1),\ - },{\ - .driver = "q35-pcihost",\ - .property = "short_root_bus",\ - .value = stringify(1),\ - }, + PC_COMPAT_1_7 \ + {\ + .driver = "e1000",\ + .property = "mitigation",\ + .value = "off",\ + },{\ + .driver = "qemu64-" TYPE_X86_CPU,\ + .property = "model",\ + .value = stringify(2),\ + },{\ + .driver = "qemu32-" TYPE_X86_CPU,\ + .property = "model",\ + .value = stringify(3),\ + },{\ + .driver = "i440FX-pcihost",\ + .property = "short_root_bus",\ + .value = stringify(1),\ + },{\ + .driver = "q35-pcihost",\ + .property = "short_root_bus",\ + .value = stringify(1),\ + }, #define PC_COMPAT_1_5 \ - PC_COMPAT_1_6 \ - {\ - .driver = "Conroe-" TYPE_X86_CPU,\ - .property = "model",\ - .value = stringify(2),\ - },{\ - .driver = "Conroe-" TYPE_X86_CPU,\ - .property = "level",\ - .value = stringify(2),\ - },{\ - .driver = "Penryn-" TYPE_X86_CPU,\ - .property = "model",\ - .value = stringify(2),\ - },{\ - .driver = "Penryn-" TYPE_X86_CPU,\ - .property = "level",\ - .value = stringify(2),\ - },{\ - .driver = "Nehalem-" TYPE_X86_CPU,\ - .property = "model",\ - .value = stringify(2),\ - },{\ - .driver = "Nehalem-" TYPE_X86_CPU,\ - .property = "level",\ - .value = stringify(2),\ - },{\ - .driver = "virtio-net-pci",\ - .property = "any_layout",\ - .value = "off",\ - },{\ - .driver = TYPE_X86_CPU,\ - .property = "pmu",\ - .value = "on",\ - },{\ - .driver = "i440FX-pcihost",\ - .property = "short_root_bus",\ - .value = stringify(0),\ - },{\ - .driver = "q35-pcihost",\ - .property = "short_root_bus",\ - .value = stringify(0),\ - }, + PC_COMPAT_1_6 \ + {\ + .driver = "Conroe-" TYPE_X86_CPU,\ + .property = "model",\ + .value = stringify(2),\ + },{\ + .driver = "Conroe-" TYPE_X86_CPU,\ + .property = "level",\ + .value = stringify(2),\ + },{\ + .driver = "Penryn-" TYPE_X86_CPU,\ + .property = "model",\ + .value = stringify(2),\ + },{\ + .driver = "Penryn-" TYPE_X86_CPU,\ + .property = "level",\ + .value = stringify(2),\ + },{\ + .driver = "Nehalem-" TYPE_X86_CPU,\ + .property = "model",\ + .value = stringify(2),\ + },{\ + .driver = "Nehalem-" TYPE_X86_CPU,\ + .property = "level",\ + .value = stringify(2),\ + },{\ + .driver = "virtio-net-pci",\ + .property = "any_layout",\ + .value = "off",\ + },{\ + .driver = TYPE_X86_CPU,\ + .property = "pmu",\ + .value = "on",\ + },{\ + .driver = "i440FX-pcihost",\ + .property = "short_root_bus",\ + .value = stringify(0),\ + },{\ + .driver = "q35-pcihost",\ + .property = "short_root_bus",\ + .value = stringify(0),\ + }, #define PC_COMPAT_1_4 \ - PC_COMPAT_1_5 \ - {\ - .driver = "scsi-hd",\ - .property = "discard_granularity",\ - .value = stringify(0),\ - },{\ - .driver = "scsi-cd",\ - .property = "discard_granularity",\ - .value = stringify(0),\ - },{\ - .driver = "scsi-disk",\ - .property = "discard_granularity",\ - .value = stringify(0),\ - },{\ - .driver = "ide-hd",\ - .property = "discard_granularity",\ - .value = stringify(0),\ - },{\ - .driver = "ide-cd",\ - .property = "discard_granularity",\ - .value = stringify(0),\ - },{\ - .driver = "ide-drive",\ - .property = "discard_granularity",\ - .value = stringify(0),\ - },{\ - .driver = "virtio-blk-pci",\ - .property = "discard_granularity",\ - .value = stringify(0),\ - },{\ - .driver = "virtio-serial-pci",\ - .property = "vectors",\ - /* DEV_NVECTORS_UNSPECIFIED as a uint32_t string */\ - .value = stringify(0xFFFFFFFF),\ - },{ \ - .driver = "virtio-net-pci", \ - .property = "ctrl_guest_offloads", \ - .value = "off", \ - },{\ - .driver = "e1000",\ - .property = "romfile",\ - .value = "pxe-e1000.rom",\ - },{\ - .driver = "ne2k_pci",\ - .property = "romfile",\ - .value = "pxe-ne2k_pci.rom",\ - },{\ - .driver = "pcnet",\ - .property = "romfile",\ - .value = "pxe-pcnet.rom",\ - },{\ - .driver = "rtl8139",\ - .property = "romfile",\ - .value = "pxe-rtl8139.rom",\ - },{\ - .driver = "virtio-net-pci",\ - .property = "romfile",\ - .value = "pxe-virtio.rom",\ - },{\ - .driver = "486-" TYPE_X86_CPU,\ - .property = "model",\ - .value = stringify(0),\ - },\ - {\ - .driver = "n270" "-" TYPE_X86_CPU,\ - .property = "movbe",\ - .value = "off",\ - },\ - {\ - .driver = "Westmere" "-" TYPE_X86_CPU,\ - .property = "pclmulqdq",\ - .value = "off",\ - }, + PC_COMPAT_1_5 \ + {\ + .driver = "scsi-hd",\ + .property = "discard_granularity",\ + .value = stringify(0),\ + },{\ + .driver = "scsi-cd",\ + .property = "discard_granularity",\ + .value = stringify(0),\ + },{\ + .driver = "scsi-disk",\ + .property = "discard_granularity",\ + .value = stringify(0),\ + },{\ + .driver = "ide-hd",\ + .property = "discard_granularity",\ + .value = stringify(0),\ + },{\ + .driver = "ide-cd",\ + .property = "discard_granularity",\ + .value = stringify(0),\ + },{\ + .driver = "ide-drive",\ + .property = "discard_granularity",\ + .value = stringify(0),\ + },{\ + .driver = "virtio-blk-pci",\ + .property = "discard_granularity",\ + .value = stringify(0),\ + },{\ + .driver = "virtio-serial-pci",\ + .property = "vectors",\ + /* DEV_NVECTORS_UNSPECIFIED as a uint32_t string */\ + .value = stringify(0xFFFFFFFF),\ + },{ \ + .driver = "virtio-net-pci", \ + .property = "ctrl_guest_offloads", \ + .value = "off", \ + },{\ + .driver = "e1000",\ + .property = "romfile",\ + .value = "pxe-e1000.rom",\ + },{\ + .driver = "ne2k_pci",\ + .property = "romfile",\ + .value = "pxe-ne2k_pci.rom",\ + },{\ + .driver = "pcnet",\ + .property = "romfile",\ + .value = "pxe-pcnet.rom",\ + },{\ + .driver = "rtl8139",\ + .property = "romfile",\ + .value = "pxe-rtl8139.rom",\ + },{\ + .driver = "virtio-net-pci",\ + .property = "romfile",\ + .value = "pxe-virtio.rom",\ + },{\ + .driver = "486-" TYPE_X86_CPU,\ + .property = "model",\ + .value = stringify(0),\ + },\ + {\ + .driver = "n270" "-" TYPE_X86_CPU,\ + .property = "movbe",\ + .value = "off",\ + },\ + {\ + .driver = "Westmere" "-" TYPE_X86_CPU,\ + .property = "pclmulqdq",\ + .value = "off",\ + }, #define DEFINE_PC_MACHINE(suffix, namestr, initfn, optsfn) \ static void pc_machine_##suffix##_class_init(ObjectClass *oc, void *data) \ diff --git a/include/hw/ipmi/ipmi.h b/include/hw/ipmi/ipmi.h new file mode 100644 index 0000000000..32bac0fa88 --- /dev/null +++ b/include/hw/ipmi/ipmi.h @@ -0,0 +1,213 @@ +/* + * IPMI base class + * + * Copyright (c) 2015 Corey Minyard, MontaVista Software, LLC + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#ifndef HW_IPMI_H +#define HW_IPMI_H + +#include "exec/memory.h" +#include "qemu-common.h" +#include "hw/qdev.h" + +#define MAX_IPMI_MSG_SIZE 300 + +enum ipmi_op { + IPMI_RESET_CHASSIS, + IPMI_POWEROFF_CHASSIS, + IPMI_POWERON_CHASSIS, + IPMI_POWERCYCLE_CHASSIS, + IPMI_PULSE_DIAG_IRQ, + IPMI_SHUTDOWN_VIA_ACPI_OVERTEMP, + IPMI_SEND_NMI +}; + +#define IPMI_CC_INVALID_CMD 0xc1 +#define IPMI_CC_COMMAND_INVALID_FOR_LUN 0xc2 +#define IPMI_CC_TIMEOUT 0xc3 +#define IPMI_CC_OUT_OF_SPACE 0xc4 +#define IPMI_CC_INVALID_RESERVATION 0xc5 +#define IPMI_CC_REQUEST_DATA_TRUNCATED 0xc6 +#define IPMI_CC_REQUEST_DATA_LENGTH_INVALID 0xc7 +#define IPMI_CC_PARM_OUT_OF_RANGE 0xc9 +#define IPMI_CC_CANNOT_RETURN_REQ_NUM_BYTES 0xca +#define IPMI_CC_REQ_ENTRY_NOT_PRESENT 0xcb +#define IPMI_CC_INVALID_DATA_FIELD 0xcc +#define IPMI_CC_BMC_INIT_IN_PROGRESS 0xd2 +#define IPMI_CC_COMMAND_NOT_SUPPORTED 0xd5 + +#define IPMI_NETFN_APP 0x06 + +#define IPMI_DEBUG 1 + +/* Specified in the SMBIOS spec. */ +#define IPMI_SMBIOS_KCS 0x01 +#define IPMI_SMBIOS_SMIC 0x02 +#define IPMI_SMBIOS_BT 0x03 +#define IPMI_SMBIOS_SSIF 0x04 + +/* IPMI Interface types (KCS, SMIC, BT) are prefixed with this */ +#define TYPE_IPMI_INTERFACE_PREFIX "ipmi-interface-" + +/* + * An IPMI Interface, the interface for talking between the target + * and the BMC. + */ +#define TYPE_IPMI_INTERFACE "ipmi-interface" +#define IPMI_INTERFACE(obj) \ + INTERFACE_CHECK(IPMIInterface, (obj), TYPE_IPMI_INTERFACE) +#define IPMI_INTERFACE_CLASS(class) \ + OBJECT_CLASS_CHECK(IPMIInterfaceClass, (class), TYPE_IPMI_INTERFACE) +#define IPMI_INTERFACE_GET_CLASS(class) \ + OBJECT_GET_CLASS(IPMIInterfaceClass, (class), TYPE_IPMI_INTERFACE) + +typedef struct IPMIInterface { + Object parent; +} IPMIInterface; + +typedef struct IPMIInterfaceClass { + InterfaceClass parent; + + void (*init)(struct IPMIInterface *s, Error **errp); + + /* + * Perform various operations on the hardware. If checkonly is + * true, it will return if the operation can be performed, but it + * will not do the operation. + */ + int (*do_hw_op)(struct IPMIInterface *s, enum ipmi_op op, int checkonly); + + /* + * Enable/disable irqs on the interface when the BMC requests this. + */ + void (*set_irq_enable)(struct IPMIInterface *s, int val); + + /* + * Handle an event that occurred on the interface, generally the. + * target writing to a register. + */ + void (*handle_if_event)(struct IPMIInterface *s); + + /* + * The interfaces use this to perform certain ops + */ + void (*set_atn)(struct IPMIInterface *s, int val, int irq); + + /* + * Got an IPMI warm/cold reset. + */ + void (*reset)(struct IPMIInterface *s, bool is_cold); + + /* + * Handle a response from the bmc. + */ + void (*handle_rsp)(struct IPMIInterface *s, uint8_t msg_id, + unsigned char *rsp, unsigned int rsp_len); + + /* + * Set by the owner to hold the backend data for the interface. + */ + void *(*get_backend_data)(struct IPMIInterface *s); +} IPMIInterfaceClass; + +/* + * Define a BMC simulator (or perhaps a connection to a real BMC) + */ +#define TYPE_IPMI_BMC "ipmi-bmc" +#define IPMI_BMC(obj) \ + OBJECT_CHECK(IPMIBmc, (obj), TYPE_IPMI_BMC) +#define IPMI_BMC_CLASS(obj_class) \ + OBJECT_CLASS_CHECK(IPMIBmcClass, (obj_class), TYPE_IPMI_BMC) +#define IPMI_BMC_GET_CLASS(obj) \ + OBJECT_GET_CLASS(IPMIBmcClass, (obj), TYPE_IPMI_BMC) + +typedef struct IPMIBmc { + DeviceState parent; + + uint8_t slave_addr; + + IPMIInterface *intf; +} IPMIBmc; + +typedef struct IPMIBmcClass { + DeviceClass parent; + + /* Called when the system resets to report to the bmc. */ + void (*handle_reset)(struct IPMIBmc *s); + + /* + * Handle a command to the bmc. + */ + void (*handle_command)(struct IPMIBmc *s, + uint8_t *cmd, unsigned int cmd_len, + unsigned int max_cmd_len, + uint8_t msg_id); +} IPMIBmcClass; + +/* + * Add a link property to obj that points to a BMC. + */ +void ipmi_bmc_find_and_link(Object *obj, Object **bmc); + +/* + * Used for transferring information to interfaces that add + * entries to firmware tables. + */ +typedef struct IPMIFwInfo { + const char *interface_name; + int interface_type; + uint8_t ipmi_spec_major_revision; + uint8_t ipmi_spec_minor_revision; + uint8_t i2c_slave_address; + uint32_t uuid; + + uint64_t base_address; + uint64_t register_length; + uint8_t register_spacing; + enum { + IPMI_MEMSPACE_IO, + IPMI_MEMSPACE_MEM32, + IPMI_MEMSPACE_MEM64, + IPMI_MEMSPACE_SMBUS + } memspace; + + int interrupt_number; + enum { + IPMI_LEVEL_IRQ, + IPMI_EDGE_IRQ + } irq_type; + + const char *acpi_parent; +} IPMIFwInfo; + +void ipmi_add_fwinfo(IPMIFwInfo *info, Error **errp); +IPMIFwInfo *ipmi_first_fwinfo(void); +IPMIFwInfo *ipmi_next_fwinfo(IPMIFwInfo *current); + +#ifdef IPMI_DEBUG +#define ipmi_debug(fs, ...) \ + fprintf(stderr, "IPMI (%s): " fs, __func__, ##__VA_ARGS__) +#else +#define ipmi_debug(fs, ...) +#endif + +#endif diff --git a/include/hw/mem/nvdimm.h b/include/hw/mem/nvdimm.h new file mode 100644 index 0000000000..49183c126b --- /dev/null +++ b/include/hw/mem/nvdimm.h @@ -0,0 +1,32 @@ +/* + * Non-Volatile Dual In-line Memory Module Virtualization Implementation + * + * Copyright(C) 2015 Intel Corporation. + * + * Author: + * Xiao Guangrong <guangrong.xiao@linux.intel.com> + * + * NVDIMM specifications and some documents can be found at: + * NVDIMM ACPI device and NFIT are introduced in ACPI 6: + * http://www.uefi.org/sites/default/files/resources/ACPI_6.0.pdf + * NVDIMM Namespace specification: + * http://pmem.io/documents/NVDIMM_Namespace_Spec.pdf + * DSM Interface Example: + * http://pmem.io/documents/NVDIMM_DSM_Interface_Example.pdf + * Driver Writer's Guide: + * http://pmem.io/documents/NVDIMM_Driver_Writers_Guide.pdf + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + */ + +#ifndef QEMU_NVDIMM_H +#define QEMU_NVDIMM_H + +#include "hw/mem/pc-dimm.h" + +#define TYPE_NVDIMM "nvdimm" + +void nvdimm_build_acpi(GArray *table_offsets, GArray *table_data, + GArray *linker); +#endif diff --git a/include/hw/pci-host/q35.h b/include/hw/pci-host/q35.h index dbe6dc05b5..c5c073ddea 100644 --- a/include/hw/pci-host/q35.h +++ b/include/hw/pci-host/q35.h @@ -59,7 +59,6 @@ typedef struct MCHPCIState { ram_addr_t below_4g_mem_size; ram_addr_t above_4g_mem_size; uint64_t pci_hole64_size; - PcGuestInfo *guest_info; uint32_t short_root_bus; IntelIOMMUState *iommu; } MCHPCIState; diff --git a/include/hw/pci/pci.h b/include/hw/pci/pci.h index 379b6e1a45..dedf277627 100644 --- a/include/hw/pci/pci.h +++ b/include/hw/pci/pci.h @@ -93,6 +93,7 @@ #define PCI_DEVICE_ID_REDHAT_PCIE_HOST 0x0008 #define PCI_DEVICE_ID_REDHAT_PXB 0x0009 #define PCI_DEVICE_ID_REDHAT_BRIDGE_SEAT 0x000a +#define PCI_DEVICE_ID_REDHAT_PXB_PCIE 0x000b #define PCI_DEVICE_ID_REDHAT_QXL 0x0100 #define FMT_PCIBUS PRIx64 diff --git a/qemu-doc.texi b/qemu-doc.texi index ffc3e50abb..7bc388231f 100644 --- a/qemu-doc.texi +++ b/qemu-doc.texi @@ -195,6 +195,8 @@ PCI and ISA network adapters @item Serial ports @item +IPMI BMC, either and internal or external one +@item Creative SoundBlaster 16 sound card @item ENSONIQ AudioPCI ES1370 sound card diff --git a/qemu-options.hx b/qemu-options.hx index 49afe6cd3b..215d00ddd3 100644 --- a/qemu-options.hx +++ b/qemu-options.hx @@ -42,7 +42,8 @@ DEF("machine", HAS_ARG, QEMU_OPTION_machine, \ " igd-passthru=on|off controls IGD GFX passthrough support (default=off)\n" " aes-key-wrap=on|off controls support for AES key wrapping (default=on)\n" " dea-key-wrap=on|off controls support for DEA key wrapping (default=on)\n" - " suppress-vmdesc=on|off disables self-describing migration (default=off)\n", + " suppress-vmdesc=on|off disables self-describing migration (default=off)\n" + " nvdimm=on|off controls NVDIMM support (default=off)\n", QEMU_ARCH_ALL) STEXI @item -machine [type=]@var{name}[,prop=@var{value}[,...]] @@ -81,6 +82,8 @@ execution of AES cryptographic functions. The default is on. Enables or disables DEA key wrapping support on s390-ccw hosts. This feature controls whether DEA wrapping keys will be created to allow execution of DEA cryptographic functions. The default is on. +@item nvdimm=on|off +Enables or disables NVDIMM support. The default is off. @end table ETEXI @@ -382,6 +385,58 @@ Add device @var{driver}. @var{prop}=@var{value} sets driver properties. Valid properties depend on the driver. To get help on possible drivers and properties, use @code{-device help} and @code{-device @var{driver},help}. + +Some drivers are: +@item -device ipmi-bmc-sim,id=@var{id}[,slave_addr=@var{val}] + +Add an IPMI BMC. This is a simulation of a hardware management +interface processor that normally sits on a system. It provides +a watchdog and the ability to reset and power control the system. +You need to connect this to an IPMI interface to make it useful + +The IPMI slave address to use for the BMC. The default is 0x20. +This address is the BMC's address on the I2C network of management +controllers. If you don't know what this means, it is safe to ignore +it. + +@item -device ipmi-bmc-extern,id=@var{id},chardev=@var{id}[,slave_addr=@var{val}] + +Add a connection to an external IPMI BMC simulator. Instead of +locally emulating the BMC like the above item, instead connect +to an external entity that provides the IPMI services. + +A connection is made to an external BMC simulator. If you do this, it +is strongly recommended that you use the "reconnect=" chardev option +to reconnect to the simulator if the connection is lost. Note that if +this is not used carefully, it can be a security issue, as the +interface has the ability to send resets, NMIs, and power off the VM. +It's best if QEMU makes a connection to an external simulator running +on a secure port on localhost, so neither the simulator nor QEMU is +exposed to any outside network. + +See the "lanserv/README.vm" file in the OpenIPMI library for more +details on the external interface. + +@item -device isa-ipmi-kcs,bmc=@var{id}[,ioport=@var{val}][,irq=@var{val}] + +Add a KCS IPMI interafce on the ISA bus. This also adds a +corresponding ACPI and SMBIOS entries, if appropriate. + +@table @option +@item bmc=@var{id} +The BMC to connect to, one of ipmi-bmc-sim or ipmi-bmc-extern above. +@item ioport=@var{val} +Define the I/O address of the interface. The default is 0xca0 for KCS. +@item irq=@var{val} +Define the interrupt to use. The default is 5. To disable interrupts, +set this to 0. +@end table + +@item -device isa-ipmi-bt,bmc=@var{id}[,ioport=@var{val}][,irq=@var{val}] + +Like the KCS interface, but defines a BT interface. The default port is +0xe4 and the default interrupt is 5. + ETEXI DEF("name", HAS_ARG, QEMU_OPTION_name, diff --git a/tests/Makefile b/tests/Makefile index 7d2a0d36ee..b7352f1a35 100644 --- a/tests/Makefile +++ b/tests/Makefile @@ -174,6 +174,8 @@ gcov-files-i386-y += hw/block/hd-geometry.c check-qtest-i386-y += tests/boot-order-test$(EXESUF) check-qtest-i386-y += tests/bios-tables-test$(EXESUF) check-qtest-i386-y += tests/rtc-test$(EXESUF) +check-qtest-i386-y += tests/ipmi-kcs-test$(EXESUF) +check-qtest-i386-y += tests/ipmi-bt-test$(EXESUF) check-qtest-i386-y += tests/i440fx-test$(EXESUF) check-qtest-i386-y += tests/fw_cfg-test$(EXESUF) check-qtest-i386-y += tests/drive_del-test$(EXESUF) @@ -512,6 +514,8 @@ tests/spapr-phb-test$(EXESUF): tests/spapr-phb-test.o $(libqos-obj-y) tests/fdc-test$(EXESUF): tests/fdc-test.o tests/ide-test$(EXESUF): tests/ide-test.o $(libqos-pc-obj-y) tests/ahci-test$(EXESUF): tests/ahci-test.o $(libqos-pc-obj-y) +tests/ipmi-kcs-test$(EXESUF): tests/ipmi-kcs-test.o +tests/ipmi-bt-test$(EXESUF): tests/ipmi-bt-test.o tests/hd-geo-test$(EXESUF): tests/hd-geo-test.o tests/boot-order-test$(EXESUF): tests/boot-order-test.o $(libqos-obj-y) tests/bios-tables-test$(EXESUF): tests/bios-tables-test.o $(libqos-obj-y) diff --git a/tests/ipmi-bt-test.c b/tests/ipmi-bt-test.c new file mode 100644 index 0000000000..5b7eb73949 --- /dev/null +++ b/tests/ipmi-bt-test.c @@ -0,0 +1,436 @@ +/* + * IPMI BT test cases, using the external interface for checking + * + * Copyright (c) 2012 Corey Minyard <cminyard@mvista.com> + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#include <sys/types.h> +#include <stdint.h> +#include <string.h> +#include <stdio.h> + +#include <sys/socket.h> +#include <netinet/in.h> +#include <netinet/ip.h> +#include <netinet/tcp.h> + +#include <glib.h> + +#include "libqtest.h" +#include "qemu-common.h" + +#define IPMI_IRQ 5 + +#define IPMI_BT_BASE 0xe4 + +#define IPMI_BT_CTLREG_CLR_WR_PTR 0 +#define IPMI_BT_CTLREG_CLR_RD_PTR 1 +#define IPMI_BT_CTLREG_H2B_ATN 2 +#define IPMI_BT_CTLREG_B2H_ATN 3 +#define IPMI_BT_CTLREG_SMS_ATN 4 +#define IPMI_BT_CTLREG_H_BUSY 6 +#define IPMI_BT_CTLREG_B_BUSY 7 + +#define IPMI_BT_CTLREG_GET(b) ((bt_get_ctrlreg() >> (b)) & 1) +#define IPMI_BT_CTLREG_GET_H2B_ATN() IPMI_BT_CTLREG_GET(IPMI_BT_CTLREG_H2B_ATN) +#define IPMI_BT_CTLREG_GET_B2H_ATN() IPMI_BT_CTLREG_GET(IPMI_BT_CTLREG_B2H_ATN) +#define IPMI_BT_CTLREG_GET_SMS_ATN() IPMI_BT_CTLREG_GET(IPMI_BT_CTLREG_SMS_ATN) +#define IPMI_BT_CTLREG_GET_H_BUSY() IPMI_BT_CTLREG_GET(IPMI_BT_CTLREG_H_BUSY) +#define IPMI_BT_CTLREG_GET_B_BUSY() IPMI_BT_CTLREG_GET(IPMI_BT_CTLREG_B_BUSY) + +#define IPMI_BT_CTLREG_SET(b) bt_write_ctrlreg(1 << (b)) +#define IPMI_BT_CTLREG_SET_CLR_WR_PTR() IPMI_BT_CTLREG_SET( \ + IPMI_BT_CTLREG_CLR_WR_PTR) +#define IPMI_BT_CTLREG_SET_CLR_RD_PTR() IPMI_BT_CTLREG_SET( \ + IPMI_BT_CTLREG_CLR_RD_PTR) +#define IPMI_BT_CTLREG_SET_H2B_ATN() IPMI_BT_CTLREG_SET(IPMI_BT_CTLREG_H2B_ATN) +#define IPMI_BT_CTLREG_SET_B2H_ATN() IPMI_BT_CTLREG_SET(IPMI_BT_CTLREG_B2H_ATN) +#define IPMI_BT_CTLREG_SET_SMS_ATN() IPMI_BT_CTLREG_SET(IPMI_BT_CTLREG_SMS_ATN) +#define IPMI_BT_CTLREG_SET_H_BUSY() IPMI_BT_CTLREG_SET(IPMI_BT_CTLREG_H_BUSY) + +static int bt_ints_enabled; + +static uint8_t bt_get_ctrlreg(void) +{ + return inb(IPMI_BT_BASE); +} + +static void bt_write_ctrlreg(uint8_t val) +{ + outb(IPMI_BT_BASE, val); +} + +static uint8_t bt_get_buf(void) +{ + return inb(IPMI_BT_BASE + 1); +} + +static void bt_write_buf(uint8_t val) +{ + outb(IPMI_BT_BASE + 1, val); +} + +static uint8_t bt_get_irqreg(void) +{ + return inb(IPMI_BT_BASE + 2); +} + +static void bt_write_irqreg(uint8_t val) +{ + outb(IPMI_BT_BASE + 2, val); +} + +static void bt_wait_b_busy(void) +{ + unsigned int count = 1000; + while (IPMI_BT_CTLREG_GET_B_BUSY() != 0) { + g_assert(--count != 0); + } +} + +static void bt_wait_b2h_atn(void) +{ + unsigned int count = 1000; + while (IPMI_BT_CTLREG_GET_B2H_ATN() == 0) { + g_assert(--count != 0); + } +} + + +static int emu_lfd; +static int emu_fd; +static in_port_t emu_port; +static uint8_t inbuf[100]; +static unsigned int inbuf_len; +static unsigned int inbuf_pos; +static int last_was_aa; + +static void read_emu_data(void) +{ + fd_set readfds; + int rv; + struct timeval tv; + + FD_ZERO(&readfds); + FD_SET(emu_fd, &readfds); + tv.tv_sec = 10; + tv.tv_usec = 0; + rv = select(emu_fd + 1, &readfds, NULL, NULL, &tv); + if (rv == -1) { + perror("select"); + } + g_assert(rv == 1); + rv = read(emu_fd, inbuf, sizeof(inbuf)); + if (rv == -1) { + perror("read"); + } + g_assert(rv > 0); + inbuf_len = rv; + inbuf_pos = 0; +} + +static void write_emu_msg(uint8_t *msg, unsigned int len) +{ + int rv; + +#ifdef DEBUG_TEST + { + unsigned int i; + printf("sending:"); + for (i = 0; i < len; i++) { + printf(" %2.2x", msg[i]); + } + printf("\n"); + } +#endif + rv = write(emu_fd, msg, len); + g_assert(rv == len); +} + +static void get_emu_msg(uint8_t *msg, unsigned int *len) +{ + unsigned int outpos = 0; + + for (;;) { + while (inbuf_pos < inbuf_len) { + uint8_t ch = inbuf[inbuf_pos++]; + + g_assert(outpos < *len); + if (last_was_aa) { + assert(ch & 0x10); + msg[outpos++] = ch & ~0x10; + last_was_aa = 0; + } else if (ch == 0xaa) { + last_was_aa = 1; + } else { + msg[outpos++] = ch; + if ((ch == 0xa0) || (ch == 0xa1)) { + /* Message complete */ + *len = outpos; + goto done; + } + } + } + read_emu_data(); + } + done: +#ifdef DEBUG_TEST + { + unsigned int i; + printf("Msg:"); + for (i = 0; i < outpos; i++) { + printf(" %2.2x", msg[i]); + } + printf("\n"); + } +#endif + return; +} + +static uint8_t +ipmb_checksum(const unsigned char *data, int size, unsigned char start) +{ + unsigned char csum = start; + + for (; size > 0; size--, data++) { + csum += *data; + } + return csum; +} + +static uint8_t get_dev_id_cmd[] = { 0x18, 0x01 }; +static uint8_t get_dev_id_rsp[] = { 0x1c, 0x01, 0x00, 0x20, 0x00, 0x00, 0x00, + 0x02, 0x09, 0x00, 0x00, 0x00, 0x00, 0x00 }; + +static uint8_t set_bmc_globals_cmd[] = { 0x18, 0x2e, 0x0f }; +static uint8_t set_bmc_globals_rsp[] = { 0x1c, 0x2e, 0x00 }; +static uint8_t enable_irq_cmd[] = { 0x05, 0xa1 }; + +static void emu_msg_handler(void) +{ + uint8_t msg[100]; + unsigned int msg_len = sizeof(msg); + + get_emu_msg(msg, &msg_len); + g_assert(msg_len >= 5); + g_assert(msg[msg_len - 1] == 0xa0); + msg_len--; + g_assert(ipmb_checksum(msg, msg_len, 0) == 0); + msg_len--; + if ((msg[1] == get_dev_id_cmd[0]) && (msg[2] == get_dev_id_cmd[1])) { + memcpy(msg + 1, get_dev_id_rsp, sizeof(get_dev_id_rsp)); + msg_len = sizeof(get_dev_id_rsp) + 1; + msg[msg_len] = -ipmb_checksum(msg, msg_len, 0); + msg_len++; + msg[msg_len++] = 0xa0; + write_emu_msg(msg, msg_len); + } else if ((msg[1] == set_bmc_globals_cmd[0]) && + (msg[2] == set_bmc_globals_cmd[1])) { + memcpy(msg + 1, set_bmc_globals_rsp, sizeof(set_bmc_globals_rsp)); + msg_len = sizeof(set_bmc_globals_rsp) + 1; + msg[msg_len] = -ipmb_checksum(msg, msg_len, 0); + msg_len++; + msg[msg_len++] = 0xa0; + write_emu_msg(msg, msg_len); + write_emu_msg(enable_irq_cmd, sizeof(enable_irq_cmd)); + } else { + g_assert(0); + } +} + +static void bt_cmd(uint8_t *cmd, unsigned int cmd_len, + uint8_t *rsp, unsigned int *rsp_len) +{ + unsigned int i, len, j = 0; + uint8_t seq = 5; + + /* Should be idle */ + g_assert(bt_get_ctrlreg() == 0); + + bt_wait_b_busy(); + IPMI_BT_CTLREG_SET_CLR_WR_PTR(); + bt_write_buf(cmd_len + 1); + bt_write_buf(cmd[0]); + bt_write_buf(seq); + for (i = 1; i < cmd_len; i++) { + bt_write_buf(cmd[i]); + } + IPMI_BT_CTLREG_SET_H2B_ATN(); + + emu_msg_handler(); /* We should get a message on the socket here. */ + + bt_wait_b2h_atn(); + if (bt_ints_enabled) { + g_assert((bt_get_irqreg() & 0x02) == 0x02); + g_assert(get_irq(IPMI_IRQ)); + bt_write_irqreg(0x03); + } else { + g_assert(!get_irq(IPMI_IRQ)); + } + IPMI_BT_CTLREG_SET_H_BUSY(); + IPMI_BT_CTLREG_SET_B2H_ATN(); + IPMI_BT_CTLREG_SET_CLR_RD_PTR(); + len = bt_get_buf(); + g_assert(len >= 4); + rsp[0] = bt_get_buf(); + assert(bt_get_buf() == seq); + len--; + for (j = 1; j < len; j++) { + rsp[j] = bt_get_buf(); + } + IPMI_BT_CTLREG_SET_H_BUSY(); + *rsp_len = j; +} + + +/* + * We should get a connect request and a short message with capabilities. + */ +static void test_connect(void) +{ + fd_set readfds; + int rv; + int val; + struct timeval tv; + uint8_t msg[100]; + unsigned int msglen; + static uint8_t exp1[] = { 0xff, 0x01, 0xa1 }; /* A protocol version */ + static uint8_t exp2[] = { 0x08, 0x1f, 0xa1 }; /* A capabilities cmd */ + + FD_ZERO(&readfds); + FD_SET(emu_lfd, &readfds); + tv.tv_sec = 10; + tv.tv_usec = 0; + rv = select(emu_lfd + 1, &readfds, NULL, NULL, &tv); + g_assert(rv == 1); + emu_fd = accept(emu_lfd, NULL, 0); + if (emu_fd < 0) { + perror("accept"); + } + g_assert(emu_fd >= 0); + + val = 1; + rv = setsockopt(emu_fd, IPPROTO_TCP, TCP_NODELAY, &val, sizeof(val)); + g_assert(rv != -1); + + /* Report our version */ + write_emu_msg(exp1, sizeof(exp1)); + + /* Validate that we get the info we expect. */ + msglen = sizeof(msg); + get_emu_msg(msg, &msglen); + g_assert(msglen == sizeof(exp1)); + g_assert(memcmp(msg, exp1, msglen) == 0); + msglen = sizeof(msg); + get_emu_msg(msg, &msglen); + g_assert(msglen == sizeof(exp2)); + g_assert(memcmp(msg, exp2, msglen) == 0); +} + +/* + * Send a get_device_id to do a basic test. + */ +static void test_bt_base(void) +{ + uint8_t rsp[20]; + unsigned int rsplen = sizeof(rsp); + + bt_cmd(get_dev_id_cmd, sizeof(get_dev_id_cmd), rsp, &rsplen); + g_assert(rsplen == sizeof(get_dev_id_rsp)); + g_assert(memcmp(get_dev_id_rsp, rsp, rsplen) == 0); +} + +/* + * Enable IRQs for the interface. + */ +static void test_enable_irq(void) +{ + uint8_t rsp[20]; + unsigned int rsplen = sizeof(rsp); + + bt_cmd(set_bmc_globals_cmd, sizeof(set_bmc_globals_cmd), rsp, &rsplen); + g_assert(rsplen == sizeof(set_bmc_globals_rsp)); + g_assert(memcmp(set_bmc_globals_rsp, rsp, rsplen) == 0); + bt_write_irqreg(0x01); + bt_ints_enabled = 1; +} + +/* + * Create a local TCP socket with any port, then save off the port we got. + */ +static void open_socket(void) +{ + struct sockaddr_in myaddr; + socklen_t addrlen; + + myaddr.sin_family = AF_INET; + myaddr.sin_addr.s_addr = htonl(INADDR_LOOPBACK); + myaddr.sin_port = 0; + emu_lfd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); + if (emu_lfd == -1) { + perror("socket"); + exit(1); + } + if (bind(emu_lfd, (struct sockaddr *) &myaddr, sizeof(myaddr)) == -1) { + perror("bind"); + exit(1); + } + addrlen = sizeof(myaddr); + if (getsockname(emu_lfd, (struct sockaddr *) &myaddr , &addrlen) == -1) { + perror("getsockname"); + exit(1); + } + emu_port = ntohs(myaddr.sin_port); + assert(listen(emu_lfd, 1) != -1); +} + +int main(int argc, char **argv) +{ + const char *arch = qtest_get_arch(); + char *cmdline; + int ret; + + /* Check architecture */ + if (strcmp(arch, "i386") && strcmp(arch, "x86_64")) { + g_test_message("Skipping test for non-x86\n"); + return 0; + } + + open_socket(); + + /* Run the tests */ + g_test_init(&argc, &argv, NULL); + + cmdline = g_strdup_printf("-vnc none" + " -chardev socket,id=ipmi0,host=localhost,port=%d,reconnect=10" + " -device ipmi-bmc-extern,chardev=ipmi0,id=bmc0" + " -device isa-ipmi-bt,bmc=bmc0", emu_port); + qtest_start(cmdline); + qtest_irq_intercept_in(global_qtest, "ioapic"); + qtest_add_func("/ipmi/extern/connect", test_connect); + qtest_add_func("/ipmi/extern/bt_base", test_bt_base); + qtest_add_func("/ipmi/extern/bt_enable_irq", test_enable_irq); + qtest_add_func("/ipmi/extern/bt_base_irq", test_bt_base); + ret = g_test_run(); + qtest_quit(global_qtest); + + return ret; +} diff --git a/tests/ipmi-kcs-test.c b/tests/ipmi-kcs-test.c new file mode 100644 index 0000000000..564c470f55 --- /dev/null +++ b/tests/ipmi-kcs-test.c @@ -0,0 +1,295 @@ +/* + * IPMI KCS test cases, using the local interface. + * + * Copyright (c) 2012 Corey Minyard <cminyard@mvista.com> + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#include <stdint.h> +#include <string.h> +#include <stdio.h> + +#include <glib.h> + +#include "libqtest.h" + +#define IPMI_IRQ 5 + +#define IPMI_KCS_BASE 0xca2 + +#define IPMI_KCS_STATUS_ABORT 0x60 +#define IPMI_KCS_CMD_WRITE_START 0x61 +#define IPMI_KCS_CMD_WRITE_END 0x62 +#define IPMI_KCS_CMD_READ 0x68 + +#define IPMI_KCS_ABORTED_BY_CMD 0x01 + +#define IPMI_KCS_CMDREG_GET_STATE() ((kcs_get_cmdreg() >> 6) & 3) +#define IPMI_KCS_STATE_IDLE 0 +#define IPMI_KCS_STATE_READ 1 +#define IPMI_KCS_STATE_WRITE 2 +#define IPMI_KCS_STATE_ERROR 3 +#define IPMI_KCS_CMDREG_GET_CD() ((kcs_get_cmdreg() >> 3) & 1) +#define IPMI_KCS_CMDREG_GET_ATN() ((kcs_get_cmdreg() >> 2) & 1) +#define IPMI_KCS_CMDREG_GET_IBF() ((kcs_get_cmdreg() >> 1) & 1) +#define IPMI_KCS_CMDREG_GET_OBF() ((kcs_get_cmdreg() >> 0) & 1) + +static int kcs_ints_enabled; + +static uint8_t kcs_get_cmdreg(void) +{ + return inb(IPMI_KCS_BASE + 1); +} + +static void kcs_write_cmdreg(uint8_t val) +{ + outb(IPMI_KCS_BASE + 1, val); +} + +static uint8_t kcs_get_datareg(void) +{ + return inb(IPMI_KCS_BASE); +} + +static void kcs_write_datareg(uint8_t val) +{ + outb(IPMI_KCS_BASE, val); +} + +static void kcs_wait_ibf(void) +{ + unsigned int count = 1000; + while (IPMI_KCS_CMDREG_GET_IBF() != 0) { + g_assert(--count != 0); + } +} + +static void kcs_wait_obf(void) +{ + unsigned int count = 1000; + while (IPMI_KCS_CMDREG_GET_OBF() == 0) { + g_assert(--count != 0); + } +} + +static void kcs_clear_obf(void) +{ + if (kcs_ints_enabled) { + g_assert(get_irq(IPMI_IRQ)); + } else { + g_assert(!get_irq(IPMI_IRQ)); + } + g_assert(IPMI_KCS_CMDREG_GET_OBF() == 1); + kcs_get_datareg(); + g_assert(IPMI_KCS_CMDREG_GET_OBF() == 0); + g_assert(!get_irq(IPMI_IRQ)); +} + +static void kcs_check_state(uint8_t state) +{ + g_assert(IPMI_KCS_CMDREG_GET_STATE() == state); +} + +static void kcs_cmd(uint8_t *cmd, unsigned int cmd_len, + uint8_t *rsp, unsigned int *rsp_len) +{ + unsigned int i, j = 0; + + /* Should be idle */ + g_assert(kcs_get_cmdreg() == 0); + + kcs_write_cmdreg(IPMI_KCS_CMD_WRITE_START); + kcs_wait_ibf(); + kcs_check_state(IPMI_KCS_STATE_WRITE); + kcs_clear_obf(); + for (i = 0; i < cmd_len; i++) { + kcs_write_datareg(cmd[i]); + kcs_wait_ibf(); + kcs_check_state(IPMI_KCS_STATE_WRITE); + kcs_clear_obf(); + } + kcs_write_cmdreg(IPMI_KCS_CMD_WRITE_END); + kcs_wait_ibf(); + kcs_check_state(IPMI_KCS_STATE_WRITE); + kcs_clear_obf(); + kcs_write_datareg(0); + next_read_byte: + kcs_wait_ibf(); + switch (IPMI_KCS_CMDREG_GET_STATE()) { + case IPMI_KCS_STATE_READ: + kcs_wait_obf(); + g_assert(j < *rsp_len); + rsp[j++] = kcs_get_datareg(); + kcs_write_datareg(IPMI_KCS_CMD_READ); + goto next_read_byte; + break; + + case IPMI_KCS_STATE_IDLE: + kcs_wait_obf(); + kcs_get_datareg(); + break; + + default: + g_assert(0); + } + *rsp_len = j; +} + +static void kcs_abort(uint8_t *cmd, unsigned int cmd_len, + uint8_t *rsp, unsigned int *rsp_len) +{ + unsigned int i, j = 0; + unsigned int retries = 4; + + /* Should be idle */ + g_assert(kcs_get_cmdreg() == 0); + + kcs_write_cmdreg(IPMI_KCS_CMD_WRITE_START); + kcs_wait_ibf(); + kcs_check_state(IPMI_KCS_STATE_WRITE); + kcs_clear_obf(); + for (i = 0; i < cmd_len; i++) { + kcs_write_datareg(cmd[i]); + kcs_wait_ibf(); + kcs_check_state(IPMI_KCS_STATE_WRITE); + kcs_clear_obf(); + } + kcs_write_cmdreg(IPMI_KCS_CMD_WRITE_END); + kcs_wait_ibf(); + kcs_check_state(IPMI_KCS_STATE_WRITE); + kcs_clear_obf(); + kcs_write_datareg(0); + kcs_wait_ibf(); + switch (IPMI_KCS_CMDREG_GET_STATE()) { + case IPMI_KCS_STATE_READ: + kcs_wait_obf(); + g_assert(j < *rsp_len); + rsp[j++] = kcs_get_datareg(); + kcs_write_datareg(IPMI_KCS_CMD_READ); + break; + + default: + g_assert(0); + } + + /* Start the abort here */ + retry_abort: + g_assert(retries > 0); + + kcs_wait_ibf(); + kcs_write_cmdreg(IPMI_KCS_STATUS_ABORT); + kcs_wait_ibf(); + kcs_clear_obf(); + kcs_write_datareg(0); + kcs_wait_ibf(); + if (IPMI_KCS_CMDREG_GET_STATE() != IPMI_KCS_STATE_READ) { + retries--; + goto retry_abort; + } + kcs_wait_obf(); + rsp[0] = kcs_get_datareg(); + kcs_write_datareg(IPMI_KCS_CMD_READ); + kcs_wait_ibf(); + if (IPMI_KCS_CMDREG_GET_STATE() != IPMI_KCS_STATE_IDLE) { + retries--; + goto retry_abort; + } + kcs_wait_obf(); + kcs_clear_obf(); + + *rsp_len = j; +} + + +static uint8_t get_dev_id_cmd[] = { 0x18, 0x01 }; +static uint8_t get_dev_id_rsp[] = { 0x1c, 0x01, 0x00, 0x20, 0x00, 0x00, 0x00, + 0x02, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00 }; + +/* + * Send a get_device_id to do a basic test. + */ +static void test_kcs_base(void) +{ + uint8_t rsp[20]; + unsigned int rsplen = sizeof(rsp); + + kcs_cmd(get_dev_id_cmd, sizeof(get_dev_id_cmd), rsp, &rsplen); + g_assert(rsplen == sizeof(get_dev_id_rsp)); + g_assert(memcmp(get_dev_id_rsp, rsp, rsplen) == 0); +} + +/* + * Abort a kcs operation while reading + */ +static void test_kcs_abort(void) +{ + uint8_t rsp[20]; + unsigned int rsplen = sizeof(rsp); + + kcs_abort(get_dev_id_cmd, sizeof(get_dev_id_cmd), rsp, &rsplen); + g_assert(rsp[0] == IPMI_KCS_ABORTED_BY_CMD); +} + +static uint8_t set_bmc_globals_cmd[] = { 0x18, 0x2e, 0x0f }; +static uint8_t set_bmc_globals_rsp[] = { 0x1c, 0x2e, 0x00 }; + +/* + * Enable interrupts + */ +static void test_enable_irq(void) +{ + uint8_t rsp[20]; + unsigned int rsplen = sizeof(rsp); + + kcs_cmd(set_bmc_globals_cmd, sizeof(set_bmc_globals_cmd), rsp, &rsplen); + g_assert(rsplen == sizeof(set_bmc_globals_rsp)); + g_assert(memcmp(set_bmc_globals_rsp, rsp, rsplen) == 0); + kcs_ints_enabled = 1; +} + +int main(int argc, char **argv) +{ + const char *arch = qtest_get_arch(); + char *cmdline; + int ret; + + /* Check architecture */ + if (strcmp(arch, "i386") && strcmp(arch, "x86_64")) { + g_test_message("Skipping test for non-x86\n"); + return 0; + } + + /* Run the tests */ + g_test_init(&argc, &argv, NULL); + + cmdline = g_strdup_printf("-vnc none -device ipmi-bmc-sim,id=bmc0" + " -device isa-ipmi-kcs,bmc=bmc0"); + qtest_start(cmdline); + qtest_irq_intercept_in(global_qtest, "ioapic"); + qtest_add_func("/ipmi/local/kcs_base", test_kcs_base); + qtest_add_func("/ipmi/local/kcs_abort", test_kcs_abort); + qtest_add_func("/ipmi/local/kcs_enable_irq", test_enable_irq); + qtest_add_func("/ipmi/local/kcs_base_irq", test_kcs_base); + qtest_add_func("/ipmi/local/kcs_abort_irq", test_kcs_abort); + ret = g_test_run(); + qtest_quit(global_qtest); + + return ret; +} diff --git a/util/mmap-alloc.c b/util/mmap-alloc.c index 54793a5dcf..5cd7f71ac3 100644 --- a/util/mmap-alloc.c +++ b/util/mmap-alloc.c @@ -50,10 +50,11 @@ void *qemu_ram_mmap(int fd, size_t size, size_t align, bool shared) #if defined(__powerpc64__) && defined(__linux__) /* On ppc64 mappings in the same segment (aka slice) must share the same * page size. Since we will be re-allocating part of this segment - * from the supplied fd, we should make sure to use the same page size, - * unless we are using the system page size, in which case anonymous memory - * is OK. Use align as a hint for the page size. - * In this case, set MAP_NORESERVE to avoid allocating backing store memory. + * from the supplied fd, we should make sure to use the same page size, to + * this end we mmap the supplied fd. In this case, set MAP_NORESERVE to + * avoid allocating backing store memory. + * We do this unless we are using the system page size, in which case + * anonymous memory is OK. */ int anonfd = fd == -1 || qemu_fd_getpagesize(fd) == getpagesize() ? -1 : fd; int flags = anonfd == -1 ? MAP_ANONYMOUS : MAP_NORESERVE; |