diff options
Diffstat (limited to 'include/hw')
50 files changed, 695 insertions, 581 deletions
diff --git a/include/hw/audio/virtio-snd.h b/include/hw/audio/virtio-snd.h new file mode 100644 index 0000000..c3767f4 --- /dev/null +++ b/include/hw/audio/virtio-snd.h @@ -0,0 +1,235 @@ +/* + * VIRTIO Sound Device conforming to + * + * "Virtual I/O Device (VIRTIO) Version 1.2 + * Committee Specification Draft 01 + * 09 May 2022" + * + * Copyright (c) 2023 Emmanouil Pitsidianakis <manos.pitsidianakis@linaro.org> + * Copyright (C) 2019 OpenSynergy GmbH + * + * This work is licensed under the terms of the GNU GPL, version 2 or + * (at your option) any later version. See the COPYING file in the + * top-level directory. + */ + +#ifndef QEMU_VIRTIO_SOUND_H +#define QEMU_VIRTIO_SOUND_H + +#include "hw/virtio/virtio.h" +#include "audio/audio.h" +#include "standard-headers/linux/virtio_ids.h" +#include "standard-headers/linux/virtio_snd.h" + +#define TYPE_VIRTIO_SND "virtio-sound-device" +#define VIRTIO_SND(obj) \ + OBJECT_CHECK(VirtIOSound, (obj), TYPE_VIRTIO_SND) + +/* CONFIGURATION SPACE */ + +typedef struct virtio_snd_config virtio_snd_config; + +/* COMMON DEFINITIONS */ + +/* common header for request/response*/ +typedef struct virtio_snd_hdr virtio_snd_hdr; + +/* event notification */ +typedef struct virtio_snd_event virtio_snd_event; + +/* common control request to query an item information */ +typedef struct virtio_snd_query_info virtio_snd_query_info; + +/* JACK CONTROL MESSAGES */ + +typedef struct virtio_snd_jack_hdr virtio_snd_jack_hdr; + +/* jack information structure */ +typedef struct virtio_snd_jack_info virtio_snd_jack_info; + +/* jack remapping control request */ +typedef struct virtio_snd_jack_remap virtio_snd_jack_remap; + +/* + * PCM CONTROL MESSAGES + */ +typedef struct virtio_snd_pcm_hdr virtio_snd_pcm_hdr; + +/* PCM stream info structure */ +typedef struct virtio_snd_pcm_info virtio_snd_pcm_info; + +/* set PCM stream params */ +typedef struct virtio_snd_pcm_set_params virtio_snd_pcm_set_params; + +/* I/O request header */ +typedef struct virtio_snd_pcm_xfer virtio_snd_pcm_xfer; + +/* I/O request status */ +typedef struct virtio_snd_pcm_status virtio_snd_pcm_status; + +/* device structs */ + +typedef struct VirtIOSound VirtIOSound; + +typedef struct VirtIOSoundPCMStream VirtIOSoundPCMStream; + +typedef struct virtio_snd_ctrl_command virtio_snd_ctrl_command; + +typedef struct VirtIOSoundPCM VirtIOSoundPCM; + +typedef struct VirtIOSoundPCMBuffer VirtIOSoundPCMBuffer; + +/* + * The VirtIO sound spec reuses layouts and values from the High Definition + * Audio spec (virtio/v1.2: 5.14 Sound Device). This struct handles each I/O + * message's buffer (virtio/v1.2: 5.14.6.8 PCM I/O Messages). + * + * In the case of TX (i.e. playback) buffers, we defer reading the raw PCM data + * from the virtqueue until QEMU's sound backsystem calls the output callback. + * This is tracked by the `bool populated;` field, which is set to true when + * data has been read into our own buffer for consumption. + * + * VirtIOSoundPCMBuffer has a dynamic size since it includes the raw PCM data + * in its allocation. It must be initialized and destroyed as follows: + * + * size_t size = [[derived from owned VQ element descriptor sizes]]; + * buffer = g_malloc0(sizeof(VirtIOSoundPCMBuffer) + size); + * buffer->elem = [[owned VQ element]]; + * + * [..] + * + * g_free(buffer->elem); + * g_free(buffer); + */ +struct VirtIOSoundPCMBuffer { + QSIMPLEQ_ENTRY(VirtIOSoundPCMBuffer) entry; + VirtQueueElement *elem; + VirtQueue *vq; + size_t size; + /* + * In TX / Plaback, `offset` represents the first unused position inside + * `data`. If `offset == size` then there are no unused data left. + */ + uint64_t offset; + /* Used for the TX queue for lazy I/O copy from `elem` */ + bool populated; + /* + * VirtIOSoundPCMBuffer is an unsized type because it ends with an array of + * bytes. The size of `data` is determined from the I/O message's read-only + * or write-only size when allocating VirtIOSoundPCMBuffer. + */ + uint8_t data[]; +}; + +struct VirtIOSoundPCM { + VirtIOSound *snd; + /* + * PCM parameters are a separate field instead of a VirtIOSoundPCMStream + * field, because the operation of PCM control requests is first + * VIRTIO_SND_R_PCM_SET_PARAMS and then VIRTIO_SND_R_PCM_PREPARE; this + * means that some times we get parameters without having an allocated + * stream yet. + */ + virtio_snd_pcm_set_params *pcm_params; + VirtIOSoundPCMStream **streams; +}; + +struct VirtIOSoundPCMStream { + VirtIOSoundPCM *pcm; + virtio_snd_pcm_info info; + virtio_snd_pcm_set_params params; + uint32_t id; + /* channel position values (VIRTIO_SND_CHMAP_XXX) */ + uint8_t positions[VIRTIO_SND_CHMAP_MAX_SIZE]; + VirtIOSound *s; + bool flushing; + audsettings as; + union { + SWVoiceIn *in; + SWVoiceOut *out; + } voice; + QemuMutex queue_mutex; + bool active; + QSIMPLEQ_HEAD(, VirtIOSoundPCMBuffer) queue; + QSIMPLEQ_HEAD(, VirtIOSoundPCMBuffer) invalid; +}; + +/* + * PCM stream state machine. + * ------------------------- + * + * 5.14.6.6.1 PCM Command Lifecycle + * ================================ + * + * A PCM stream has the following command lifecycle: + * - `SET PARAMETERS` + * The driver negotiates the stream parameters (format, transport, etc) with + * the device. + * Possible valid transitions: `SET PARAMETERS`, `PREPARE`. + * - `PREPARE` + * The device prepares the stream (allocates resources, etc). + * Possible valid transitions: `SET PARAMETERS`, `PREPARE`, `START`, + * `RELEASE`. Output only: the driver transfers data for pre-buffing. + * - `START` + * The device starts the stream (unmute, putting into running state, etc). + * Possible valid transitions: `STOP`. + * The driver transfers data to/from the stream. + * - `STOP` + * The device stops the stream (mute, putting into non-running state, etc). + * Possible valid transitions: `START`, `RELEASE`. + * - `RELEASE` + * The device releases the stream (frees resources, etc). + * Possible valid transitions: `SET PARAMETERS`, `PREPARE`. + * + * +---------------+ +---------+ +---------+ +-------+ +-------+ + * | SetParameters | | Prepare | | Release | | Start | | Stop | + * +---------------+ +---------+ +---------+ +-------+ +-------+ + * |- | | | | + * || | | | | + * |< | | | | + * |------------->| | | | + * |<-------------| | | | + * | |- | | | + * | || | | | + * | |< | | | + * | |--------------------->| | + * | |---------->| | | + * | | | |-------->| + * | | | |<--------| + * | | |<-------------------| + * |<-------------------------| | | + * | |<----------| | | + * + * CTRL in the VirtIOSound device + * ============================== + * + * The control messages that affect the state of a stream arrive in the + * `virtio_snd_handle_ctrl()` queue callback and are of type `struct + * virtio_snd_ctrl_command`. They are stored in a queue field in the device + * type, `VirtIOSound`. This allows deferring the CTRL request completion if + * it's not immediately possible due to locking/state reasons. + * + * The CTRL message is finally handled in `process_cmd()`. + */ +struct VirtIOSound { + VirtIODevice parent_obj; + + VirtQueue *queues[VIRTIO_SND_VQ_MAX]; + uint64_t features; + VirtIOSoundPCM *pcm; + QEMUSoundCard card; + VMChangeStateEntry *vmstate; + virtio_snd_config snd_conf; + QemuMutex cmdq_mutex; + QTAILQ_HEAD(, virtio_snd_ctrl_command) cmdq; + bool processing_cmdq; +}; + +struct virtio_snd_ctrl_command { + VirtQueueElement *elem; + VirtQueue *vq; + virtio_snd_hdr ctrl; + virtio_snd_hdr resp; + QTAILQ_ENTRY(virtio_snd_ctrl_command) next; +}; +#endif diff --git a/include/hw/core/cpu.h b/include/hw/core/cpu.h index 18593db..c0c8320 100644 --- a/include/hw/core/cpu.h +++ b/include/hw/core/cpu.h @@ -102,7 +102,7 @@ struct SysemuCPUOps; /** * CPUClass: * @class_by_name: Callback to map -cpu command line model name to an - * instantiatable CPU type. + * instantiatable CPU type. * @parse_features: Callback to parse command line arguments. * @reset_dump_flags: #CPUDumpFlags to use for reset logging. * @has_work: Callback for checking if there is work to do. @@ -408,7 +408,7 @@ struct qemu_work_item; * See TranslationBlock::TCG CF_CLUSTER_MASK. * @tcg_cflags: Pre-computed cflags for this cpu. * @nr_cores: Number of cores within this CPU package. - * @nr_threads: Number of threads within this CPU. + * @nr_threads: Number of threads within this CPU core. * @running: #true if CPU is currently running (lockless). * @has_waiter: #true if a CPU is currently waiting for the cpu_exec_end; * valid under cpu_list_lock. @@ -586,13 +586,13 @@ static inline CPUArchState *cpu_env(CPUState *cpu) } typedef QTAILQ_HEAD(CPUTailQ, CPUState) CPUTailQ; -extern CPUTailQ cpus; +extern CPUTailQ cpus_queue; -#define first_cpu QTAILQ_FIRST_RCU(&cpus) +#define first_cpu QTAILQ_FIRST_RCU(&cpus_queue) #define CPU_NEXT(cpu) QTAILQ_NEXT_RCU(cpu, node) -#define CPU_FOREACH(cpu) QTAILQ_FOREACH_RCU(cpu, &cpus, node) +#define CPU_FOREACH(cpu) QTAILQ_FOREACH_RCU(cpu, &cpus_queue, node) #define CPU_FOREACH_SAFE(cpu, next_cpu) \ - QTAILQ_FOREACH_SAFE_RCU(cpu, &cpus, node, next_cpu) + QTAILQ_FOREACH_SAFE_RCU(cpu, &cpus_queue, node, next_cpu) extern __thread CPUState *current_cpu; @@ -772,9 +772,10 @@ void cpu_reset(CPUState *cpu); * @typename: The CPU base type. * @cpu_model: The model string without any parameters. * - * Looks up a CPU #ObjectClass matching name @cpu_model. + * Looks up a concrete CPU #ObjectClass matching name @cpu_model. * - * Returns: A #CPUClass or %NULL if not matching class is found. + * Returns: A concrete #CPUClass or %NULL if no matching class is found + * or if the matching class is abstract. */ ObjectClass *cpu_class_by_name(const char *typename, const char *cpu_model); @@ -1151,8 +1152,9 @@ G_NORETURN void cpu_abort(CPUState *cpu, const char *fmt, ...) /* $(top_srcdir)/cpu.c */ void cpu_class_init_props(DeviceClass *dc); void cpu_exec_initfn(CPUState *cpu); -void cpu_exec_realizefn(CPUState *cpu, Error **errp); +bool cpu_exec_realizefn(CPUState *cpu, Error **errp); void cpu_exec_unrealizefn(CPUState *cpu); +void cpu_exec_reset_hold(CPUState *cpu); /** * target_words_bigendian: diff --git a/include/hw/cxl/cxl.h b/include/hw/cxl/cxl.h index 4944725..75e47b6 100644 --- a/include/hw/cxl/cxl.h +++ b/include/hw/cxl/cxl.h @@ -61,4 +61,10 @@ OBJECT_DECLARE_SIMPLE_TYPE(CXLHost, PXB_CXL_HOST) typedef struct CXLUpstreamPort CXLUpstreamPort; DECLARE_INSTANCE_CHECKER(CXLUpstreamPort, CXL_USP, TYPE_CXL_USP) CXLComponentState *cxl_usp_to_cstate(CXLUpstreamPort *usp); + +#define TYPE_CXL_DSP "cxl-downstream" + +typedef struct CXLDownstreamPort CXLDownstreamPort; +DECLARE_INSTANCE_CHECKER(CXLDownstreamPort, CXL_DSP, TYPE_CXL_DSP) + #endif diff --git a/include/hw/cxl/cxl_component.h b/include/hw/cxl/cxl_component.h index 3c795a6..5227a8e 100644 --- a/include/hw/cxl/cxl_component.h +++ b/include/hw/cxl/cxl_component.h @@ -26,7 +26,8 @@ enum reg_type { CXL2_LOGICAL_DEVICE, CXL2_ROOT_PORT, CXL2_UPSTREAM_PORT, - CXL2_DOWNSTREAM_PORT + CXL2_DOWNSTREAM_PORT, + CXL3_SWITCH_MAILBOX_CCI, }; /* @@ -175,7 +176,8 @@ HDM_DECODER_INIT(3); (CXL_IDE_REGISTERS_OFFSET + CXL_IDE_REGISTERS_SIZE) #define CXL_SNOOP_REGISTERS_SIZE 0x8 -QEMU_BUILD_BUG_MSG((CXL_SNOOP_REGISTERS_OFFSET + CXL_SNOOP_REGISTERS_SIZE) >= 0x1000, +QEMU_BUILD_BUG_MSG((CXL_SNOOP_REGISTERS_OFFSET + + CXL_SNOOP_REGISTERS_SIZE) >= 0x1000, "No space for registers"); typedef struct component_registers { diff --git a/include/hw/cxl/cxl_device.h b/include/hw/cxl/cxl_device.h index 51cd0d9..61b7f89 100644 --- a/include/hw/cxl/cxl_device.h +++ b/include/hw/cxl/cxl_device.h @@ -111,6 +111,20 @@ typedef enum { CXL_MBOX_MAX = 0x17 } CXLRetCode; +typedef struct CXLCCI CXLCCI; +typedef struct cxl_device_state CXLDeviceState; +struct cxl_cmd; +typedef CXLRetCode (*opcode_handler)(const struct cxl_cmd *cmd, + uint8_t *payload_in, size_t len_in, + uint8_t *payload_out, size_t *len_out, + CXLCCI *cci); +struct cxl_cmd { + const char *name; + opcode_handler handler; + ssize_t in; + uint16_t effect; /* Reported in CEL */ +}; + typedef struct CXLEvent { CXLEventRecordRaw data; QSIMPLEQ_ENTRY(CXLEvent) node; @@ -127,6 +141,31 @@ typedef struct CXLEventLog { QSIMPLEQ_HEAD(, CXLEvent) events; } CXLEventLog; +typedef struct CXLCCI { + const struct cxl_cmd (*cxl_cmd_set)[256]; + struct cel_log { + uint16_t opcode; + uint16_t effect; + } cel_log[1 << 16]; + size_t cel_size; + + /* background command handling (times in ms) */ + struct { + uint16_t opcode; + uint16_t complete_pct; + uint16_t ret_code; /* Current value of retcode */ + uint64_t starttime; + /* set by each bg cmd, cleared by the bg_timer when complete */ + uint64_t runtime; + QEMUTimer *timer; + } bg; + size_t payload_max; + /* Pointer to device hosting the CCI */ + DeviceState *d; + /* Pointer to the device hosting the protocol conversion */ + DeviceState *intf; +} CXLCCI; + typedef struct cxl_device_state { MemoryRegion device_registers; @@ -154,17 +193,13 @@ typedef struct cxl_device_state { struct { MemoryRegion mailbox; uint16_t payload_size; + uint8_t mbox_msi_n; union { uint8_t mbox_reg_state[CXL_MAILBOX_REGISTERS_LENGTH]; uint16_t mbox_reg_state16[CXL_MAILBOX_REGISTERS_LENGTH / 2]; uint32_t mbox_reg_state32[CXL_MAILBOX_REGISTERS_LENGTH / 4]; uint64_t mbox_reg_state64[CXL_MAILBOX_REGISTERS_LENGTH / 8]; }; - struct cel_log { - uint16_t opcode; - uint16_t effect; - } cel_log[1 << 16]; - size_t cel_size; }; struct { @@ -178,21 +213,26 @@ typedef struct cxl_device_state { uint64_t pmem_size; uint64_t vmem_size; + const struct cxl_cmd (*cxl_cmd_set)[256]; CXLEventLog event_logs[CXL_EVENT_TYPE_MAX]; } CXLDeviceState; /* Initialize the register block for a device */ -void cxl_device_register_block_init(Object *obj, CXLDeviceState *dev); +void cxl_device_register_block_init(Object *obj, CXLDeviceState *dev, + CXLCCI *cci); +typedef struct CXLType3Dev CXLType3Dev; +typedef struct CSWMBCCIDev CSWMBCCIDev; /* Set up default values for the register block */ -void cxl_device_register_init_common(CXLDeviceState *dev); +void cxl_device_register_init_t3(CXLType3Dev *ct3d); +void cxl_device_register_init_swcci(CSWMBCCIDev *sw); /* * CXL 2.0 - 8.2.8.1 including errata F4 * Documented as a 128 bit register, but 64 bit accesses and the second * 64 bits are currently reserved. */ -REG64(CXL_DEV_CAP_ARRAY, 0) /* Documented as 128 bit register but 64 byte accesses */ +REG64(CXL_DEV_CAP_ARRAY, 0) FIELD(CXL_DEV_CAP_ARRAY, CAP_ID, 0, 16) FIELD(CXL_DEV_CAP_ARRAY, CAP_VERSION, 16, 8) FIELD(CXL_DEV_CAP_ARRAY, CAP_COUNT, 32, 16) @@ -231,8 +271,20 @@ CXL_DEVICE_CAPABILITY_HEADER_REGISTER(MEMORY_DEVICE, CXL_DEVICE_CAP_HDR1_OFFSET + CXL_DEVICE_CAP_REG_SIZE * 2) -void cxl_initialize_mailbox(CXLDeviceState *cxl_dstate); -void cxl_process_mailbox(CXLDeviceState *cxl_dstate); +void cxl_initialize_mailbox_t3(CXLCCI *cci, DeviceState *d, size_t payload_max); +void cxl_initialize_mailbox_swcci(CXLCCI *cci, DeviceState *intf, + DeviceState *d, size_t payload_max); +void cxl_init_cci(CXLCCI *cci, size_t payload_max); +int cxl_process_cci_message(CXLCCI *cci, uint8_t set, uint8_t cmd, + size_t len_in, uint8_t *pl_in, + size_t *len_out, uint8_t *pl_out, + bool *bg_started); +void cxl_initialize_t3_fm_owned_ld_mctpcci(CXLCCI *cci, DeviceState *d, + DeviceState *intf, + size_t payload_max); + +void cxl_initialize_t3_ld_cci(CXLCCI *cci, DeviceState *d, + DeviceState *intf, size_t payload_max); #define cxl_device_cap_init(dstate, reg, cap_id, ver) \ do { \ @@ -297,6 +349,23 @@ REG64(CXL_MEM_DEV_STS, 0) FIELD(CXL_MEM_DEV_STS, MBOX_READY, 4, 1) FIELD(CXL_MEM_DEV_STS, RESET_NEEDED, 5, 3) +static inline void __toggle_media(CXLDeviceState *cxl_dstate, int val) +{ + uint64_t dev_status_reg; + + dev_status_reg = FIELD_DP64(0, CXL_MEM_DEV_STS, MEDIA_STATUS, val); + cxl_dstate->mbox_reg_state64[R_CXL_MEM_DEV_STS] = dev_status_reg; +} +#define cxl_dev_disable_media(cxlds) \ + do { __toggle_media((cxlds), 0x3); } while (0) +#define cxl_dev_enable_media(cxlds) \ + do { __toggle_media((cxlds), 0x1); } while (0) + +static inline bool sanitize_running(CXLCCI *cci) +{ + return !!cci->bg.runtime && cci->bg.opcode == 0x4400; +} + typedef struct CXLError { QTAILQ_ENTRY(CXLError) node; int type; /* Error code as per FE definition */ @@ -333,6 +402,10 @@ struct CXLType3Dev { AddressSpace hostpmem_as; CXLComponentState cxl_cstate; CXLDeviceState cxl_dstate; + CXLCCI cci; /* Primary PCI mailbox CCI */ + /* Always intialized as no way to know if a VDM might show up */ + CXLCCI vdm_fm_owned_ld_mctp_cci; + CXLCCI ld0_cci; /* DOE */ DOECap doe_cdat; @@ -361,9 +434,21 @@ struct CXLType3Class { uint64_t offset); void (*set_lsa)(CXLType3Dev *ct3d, const void *buf, uint64_t size, uint64_t offset); - bool (*set_cacheline)(CXLType3Dev *ct3d, uint64_t dpa_offset, uint8_t *data); + bool (*set_cacheline)(CXLType3Dev *ct3d, uint64_t dpa_offset, + uint8_t *data); }; +struct CSWMBCCIDev { + PCIDevice parent_obj; + PCIDevice *target; + CXLComponentState cxl_cstate; + CXLDeviceState cxl_dstate; + CXLCCI *cci; +}; + +#define TYPE_CXL_SWITCH_MAILBOX_CCI "cxl-switch-mailbox-cci" +OBJECT_DECLARE_TYPE(CSWMBCCIDev, CSWMBCCIClass, CXL_SWITCH_MAILBOX_CCI) + MemTxResult cxl_type3_read(PCIDevice *d, hwaddr host_addr, uint64_t *data, unsigned size, MemTxAttrs attrs); MemTxResult cxl_type3_write(PCIDevice *d, hwaddr host_addr, uint64_t data, @@ -376,7 +461,7 @@ bool cxl_event_insert(CXLDeviceState *cxlds, CXLEventLogType log_type, CXLEventRecordRaw *event); CXLRetCode cxl_event_get_records(CXLDeviceState *cxlds, CXLGetEventPayload *pl, uint8_t log_type, int max_recs, - uint16_t *len); + size_t *len); CXLRetCode cxl_event_clear_records(CXLDeviceState *cxlds, CXLClearEventPayload *pl); diff --git a/include/hw/cxl/cxl_events.h b/include/hw/cxl/cxl_events.h index 089ba20..d778487 100644 --- a/include/hw/cxl/cxl_events.h +++ b/include/hw/cxl/cxl_events.h @@ -92,7 +92,8 @@ typedef enum CXLEventIntMode { CXL_INT_RES = 0x03, } CXLEventIntMode; #define CXL_EVENT_INT_MODE_MASK 0x3 -#define CXL_EVENT_INT_SETTING(vector) ((((uint8_t)vector & 0xf) << 4) | CXL_INT_MSI_MSIX) +#define CXL_EVENT_INT_SETTING(vector) \ + ((((uint8_t)vector & 0xf) << 4) | CXL_INT_MSI_MSIX) typedef struct CXLEventInterruptPolicy { uint8_t info_settings; uint8_t warn_settings; diff --git a/include/hw/cxl/cxl_pci.h b/include/hw/cxl/cxl_pci.h index 407be95..ddf01a5 100644 --- a/include/hw/cxl/cxl_pci.h +++ b/include/hw/cxl/cxl_pci.h @@ -86,7 +86,7 @@ typedef struct CXLDVSECDevice { QEMU_BUILD_BUG_ON(sizeof(CXLDVSECDevice) != 0x38); /* CXL 2.0 - 8.1.5 (ID 0003) */ -typedef struct CXLDVSECPortExtensions { +typedef struct CXLDVSECPortExt { DVSECHeader hdr; uint16_t status; uint16_t control; @@ -100,8 +100,8 @@ typedef struct CXLDVSECPortExtensions { uint32_t alt_prefetch_limit_high; uint32_t rcrb_base; uint32_t rcrb_base_high; -} CXLDVSECPortExtensions; -QEMU_BUILD_BUG_ON(sizeof(CXLDVSECPortExtensions) != 0x28); +} CXLDVSECPortExt; +QEMU_BUILD_BUG_ON(sizeof(CXLDVSECPortExt) != 0x28); #define PORT_CONTROL_OFFSET 0xc #define PORT_CONTROL_UNMASK_SBR 1 diff --git a/include/hw/elf_ops.h b/include/hw/elf_ops.h index dffb0e7..0a5c258 100644 --- a/include/hw/elf_ops.h +++ b/include/hw/elf_ops.h @@ -385,10 +385,11 @@ static ssize_t glue(load_elf, SZ)(const char *name, int fd, } if (pflags) { - *pflags = (elf_word)ehdr.e_flags; + *pflags = ehdr.e_flags; + } + if (pentry) { + *pentry = ehdr.e_entry; } - if (pentry) - *pentry = (uint64_t)(elf_sword)ehdr.e_entry; glue(load_symbols, SZ)(&ehdr, fd, must_swab, clear_lsb, sym_cb); @@ -610,10 +611,12 @@ static ssize_t glue(load_elf, SZ)(const char *name, int fd, } } - if (lowaddr) - *lowaddr = (uint64_t)(elf_sword)low; - if (highaddr) - *highaddr = (uint64_t)(elf_sword)high; + if (lowaddr) { + *lowaddr = low; + } + if (highaddr) { + *highaddr = high; + } ret = total_size; fail: if (mapped_file) { diff --git a/include/hw/i2c/pmbus_device.h b/include/hw/i2c/pmbus_device.h index 93f5d57..f195c11 100644 --- a/include/hw/i2c/pmbus_device.h +++ b/include/hw/i2c/pmbus_device.h @@ -243,6 +243,7 @@ OBJECT_DECLARE_TYPE(PMBusDevice, PMBusDeviceClass, #define PB_HAS_VIN_RATING BIT_ULL(13) #define PB_HAS_VOUT_RATING BIT_ULL(14) #define PB_HAS_VOUT_MODE BIT_ULL(15) +#define PB_HAS_VCAP BIT_ULL(16) #define PB_HAS_IOUT BIT_ULL(21) #define PB_HAS_IIN BIT_ULL(22) #define PB_HAS_IOUT_RATING BIT_ULL(23) @@ -258,6 +259,7 @@ OBJECT_DECLARE_TYPE(PMBusDevice, PMBusDeviceClass, #define PB_HAS_TEMP2 BIT_ULL(41) #define PB_HAS_TEMP3 BIT_ULL(42) #define PB_HAS_TEMP_RATING BIT_ULL(43) +#define PB_HAS_FAN BIT_ULL(44) #define PB_HAS_MFR_INFO BIT_ULL(50) #define PB_HAS_STATUS_MFR_SPECIFIC BIT_ULL(51) @@ -445,6 +447,14 @@ typedef struct PMBusCoefficients { } PMBusCoefficients; /** + * VOUT_Mode bit fields + */ +typedef struct PMBusVoutMode { + uint8_t mode:3; + int8_t exp:5; +} PMBusVoutMode; + +/** * Convert sensor values to direct mode format * * Y = (m * x - b) * 10^R @@ -502,6 +512,13 @@ void pmbus_send64(PMBusDevice *state, uint64_t data); void pmbus_send_string(PMBusDevice *state, const char *data); /** + * @brief Receive data sent with Block Write. + * @param dest - memory with enough capacity to receive the write + * @param len - the capacity of dest + */ +uint8_t pmbus_receive_block(PMBusDevice *pmdev, uint8_t *dest, size_t len); + +/** * @brief Receive data over PMBus * These methods help track how much data is being received over PMBus * Log to GUEST_ERROR if too much or too little is sent. diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h index 29a9724..a10ceea 100644 --- a/include/hw/i386/pc.h +++ b/include/hw/i386/pc.h @@ -33,6 +33,7 @@ typedef struct PCMachineState { /* Pointers to devices and objects: */ PCIBus *bus; + BusState *xenbus; I2CBus *smbus; PFlashCFI01 *flash[2]; ISADevice *pcspk; @@ -184,7 +185,8 @@ void pc_basic_device_init(struct PCMachineState *pcms, void pc_cmos_init(PCMachineState *pcms, BusState *ide0, BusState *ide1, ISADevice *s); -void pc_nic_init(PCMachineClass *pcmc, ISABus *isa_bus, PCIBus *pci_bus); +void pc_nic_init(PCMachineClass *pcmc, ISABus *isa_bus, PCIBus *pci_bus, + BusState *xen_bus); void pc_i8259_create(ISABus *isa_bus, qemu_irq *i8259_irqs); diff --git a/include/hw/i386/topology.h b/include/hw/i386/topology.h index 380cb27..d4eeb7a 100644 --- a/include/hw/i386/topology.h +++ b/include/hw/i386/topology.h @@ -24,7 +24,8 @@ #ifndef HW_I386_TOPOLOGY_H #define HW_I386_TOPOLOGY_H -/* This file implements the APIC-ID-based CPU topology enumeration logic, +/* + * This file implements the APIC-ID-based CPU topology enumeration logic, * documented at the following document: * Intel® 64 Architecture Processor Topology Enumeration * http://software.intel.com/en-us/articles/intel-64-architecture-processor-topology-enumeration/ @@ -41,7 +42,8 @@ #include "qemu/bitops.h" -/* APIC IDs can be 32-bit, but beware: APIC IDs > 255 require x2APIC support +/* + * APIC IDs can be 32-bit, but beware: APIC IDs > 255 require x2APIC support */ typedef uint32_t apic_id_t; @@ -58,8 +60,7 @@ typedef struct X86CPUTopoInfo { unsigned threads_per_core; } X86CPUTopoInfo; -/* Return the bit width needed for 'count' IDs - */ +/* Return the bit width needed for 'count' IDs */ static unsigned apicid_bitwidth_for_count(unsigned count) { g_assert(count >= 1); @@ -67,15 +68,13 @@ static unsigned apicid_bitwidth_for_count(unsigned count) return count ? 32 - clz32(count) : 0; } -/* Bit width of the SMT_ID (thread ID) field on the APIC ID - */ +/* Bit width of the SMT_ID (thread ID) field on the APIC ID */ static inline unsigned apicid_smt_width(X86CPUTopoInfo *topo_info) { return apicid_bitwidth_for_count(topo_info->threads_per_core); } -/* Bit width of the Core_ID field - */ +/* Bit width of the Core_ID field */ static inline unsigned apicid_core_width(X86CPUTopoInfo *topo_info) { return apicid_bitwidth_for_count(topo_info->cores_per_die); @@ -87,8 +86,7 @@ static inline unsigned apicid_die_width(X86CPUTopoInfo *topo_info) return apicid_bitwidth_for_count(topo_info->dies_per_pkg); } -/* Bit offset of the Core_ID field - */ +/* Bit offset of the Core_ID field */ static inline unsigned apicid_core_offset(X86CPUTopoInfo *topo_info) { return apicid_smt_width(topo_info); @@ -100,14 +98,14 @@ static inline unsigned apicid_die_offset(X86CPUTopoInfo *topo_info) return apicid_core_offset(topo_info) + apicid_core_width(topo_info); } -/* Bit offset of the Pkg_ID (socket ID) field - */ +/* Bit offset of the Pkg_ID (socket ID) field */ static inline unsigned apicid_pkg_offset(X86CPUTopoInfo *topo_info) { return apicid_die_offset(topo_info) + apicid_die_width(topo_info); } -/* Make APIC ID for the CPU based on Pkg_ID, Core_ID, SMT_ID +/* + * Make APIC ID for the CPU based on Pkg_ID, Core_ID, SMT_ID * * The caller must make sure core_id < nr_cores and smt_id < nr_threads. */ @@ -120,7 +118,8 @@ static inline apic_id_t x86_apicid_from_topo_ids(X86CPUTopoInfo *topo_info, topo_ids->smt_id; } -/* Calculate thread/core/package IDs for a specific topology, +/* + * Calculate thread/core/package IDs for a specific topology, * based on (contiguous) CPU index */ static inline void x86_topo_ids_from_idx(X86CPUTopoInfo *topo_info, @@ -137,7 +136,8 @@ static inline void x86_topo_ids_from_idx(X86CPUTopoInfo *topo_info, topo_ids->smt_id = cpu_index % nr_threads; } -/* Calculate thread/core/package IDs for a specific topology, +/* + * Calculate thread/core/package IDs for a specific topology, * based on APIC ID */ static inline void x86_topo_ids_from_apicid(apic_id_t apicid, @@ -155,7 +155,8 @@ static inline void x86_topo_ids_from_apicid(apic_id_t apicid, topo_ids->pkg_id = apicid >> apicid_pkg_offset(topo_info); } -/* Make APIC ID for the CPU 'cpu_index' +/* + * Make APIC ID for the CPU 'cpu_index' * * 'cpu_index' is a sequential, contiguous ID for the CPU. */ diff --git a/include/hw/loader.h b/include/hw/loader.h index c4c1417..8685e27 100644 --- a/include/hw/loader.h +++ b/include/hw/loader.h @@ -272,7 +272,7 @@ void pstrcpy_targphys(const char *name, ssize_t rom_add_file(const char *file, const char *fw_dir, hwaddr addr, int32_t bootindex, - bool option_rom, MemoryRegion *mr, AddressSpace *as); + bool has_option_rom, MemoryRegion *mr, AddressSpace *as); MemoryRegion *rom_add_blob(const char *name, const void *blob, size_t len, size_t max_len, hwaddr addr, const char *fw_file_name, diff --git a/include/hw/pci-bridge/cxl_upstream_port.h b/include/hw/pci-bridge/cxl_upstream_port.h new file mode 100644 index 0000000..1263513 --- /dev/null +++ b/include/hw/pci-bridge/cxl_upstream_port.h @@ -0,0 +1,19 @@ + +#ifndef CXL_USP_H +#define CXL_USP_H +#include "hw/pci/pcie.h" +#include "hw/pci/pcie_port.h" +#include "hw/cxl/cxl.h" + +typedef struct CXLUpstreamPort { + /*< private >*/ + PCIEPort parent_obj; + + /*< public >*/ + CXLComponentState cxl_cstate; + CXLCCI swcci; + DOECap doe_cdat; + uint64_t sn; +} CXLUpstreamPort; + +#endif /* CXL_SUP_H */ diff --git a/include/hw/ppc/ppc.h b/include/hw/ppc/ppc.h index 17a8dfc..d5d119e 100644 --- a/include/hw/ppc/ppc.h +++ b/include/hw/ppc/ppc.h @@ -1,7 +1,7 @@ #ifndef HW_PPC_H #define HW_PPC_H -#include "target/ppc/cpu-qom.h" +#include "target/ppc/cpu.h" void ppc_set_irq(PowerPCCPU *cpu, int n_IRQ, int level); PowerPCCPU *ppc_get_vcpu_by_pir(int pir); diff --git a/include/hw/s390x/css.h b/include/hw/s390x/css.h index 75e5381..ba72ee3 100644 --- a/include/hw/s390x/css.h +++ b/include/hw/s390x/css.h @@ -233,7 +233,7 @@ typedef enum { } CssIoAdapterType; void css_adapter_interrupt(CssIoAdapterType type, uint8_t isc); -int css_do_sic(CPUS390XState *env, uint8_t isc, uint16_t mode); +int css_do_sic(S390CPU *cpu, uint8_t isc, uint16_t mode); uint32_t css_get_adapter_id(CssIoAdapterType type, uint8_t isc); void css_register_io_adapters(CssIoAdapterType type, bool swap, bool maskable, uint8_t flags, Error **errp); diff --git a/include/hw/s390x/sclp.h b/include/hw/s390x/sclp.h index b4ecd04..b405a38 100644 --- a/include/hw/s390x/sclp.h +++ b/include/hw/s390x/sclp.h @@ -225,8 +225,7 @@ static inline int sccb_data_len(SCCB *sccb) void s390_sclp_init(void); void sclp_service_interrupt(uint32_t sccb); void raise_irq_cpu_hotplug(void); -int sclp_service_call(CPUS390XState *env, uint64_t sccb, uint32_t code); -int sclp_service_call_protected(CPUS390XState *env, uint64_t sccb, - uint32_t code); +int sclp_service_call(S390CPU *cpu, uint64_t sccb, uint32_t code); +int sclp_service_call_protected(S390CPU *cpu, uint64_t sccb, uint32_t code); #endif diff --git a/include/hw/virtio/vhost-backend.h b/include/hw/virtio/vhost-backend.h index 96ccc18..a86d103 100644 --- a/include/hw/virtio/vhost-backend.h +++ b/include/hw/virtio/vhost-backend.h @@ -26,6 +26,18 @@ typedef enum VhostSetConfigType { VHOST_SET_CONFIG_TYPE_MIGRATION = 1, } VhostSetConfigType; +typedef enum VhostDeviceStateDirection { + /* Transfer state from back-end (device) to front-end */ + VHOST_TRANSFER_STATE_DIRECTION_SAVE = 0, + /* Transfer state from front-end to back-end (device) */ + VHOST_TRANSFER_STATE_DIRECTION_LOAD = 1, +} VhostDeviceStateDirection; + +typedef enum VhostDeviceStatePhase { + /* The device (and all its vrings) is stopped */ + VHOST_TRANSFER_STATE_PHASE_STOPPED = 0, +} VhostDeviceStatePhase; + struct vhost_inflight; struct vhost_dev; struct vhost_log; @@ -129,6 +141,15 @@ typedef int (*vhost_set_config_call_op)(struct vhost_dev *dev, typedef void (*vhost_reset_status_op)(struct vhost_dev *dev); +typedef bool (*vhost_supports_device_state_op)(struct vhost_dev *dev); +typedef int (*vhost_set_device_state_fd_op)(struct vhost_dev *dev, + VhostDeviceStateDirection direction, + VhostDeviceStatePhase phase, + int fd, + int *reply_fd, + Error **errp); +typedef int (*vhost_check_device_state_op)(struct vhost_dev *dev, Error **errp); + typedef struct VhostOps { VhostBackendType backend_type; vhost_backend_init vhost_backend_init; @@ -176,6 +197,9 @@ typedef struct VhostOps { vhost_force_iommu_op vhost_force_iommu; vhost_set_config_call_op vhost_set_config_call; vhost_reset_status_op vhost_reset_status; + vhost_supports_device_state_op vhost_supports_device_state; + vhost_set_device_state_fd_op vhost_set_device_state_fd; + vhost_check_device_state_op vhost_check_device_state; } VhostOps; int vhost_backend_update_device_iotlb(struct vhost_dev *dev, diff --git a/include/hw/virtio/vhost-user.h b/include/hw/virtio/vhost-user.h index 20b69d8..d7c09ff 100644 --- a/include/hw/virtio/vhost-user.h +++ b/include/hw/virtio/vhost-user.h @@ -31,6 +31,7 @@ enum VhostUserProtocolFeature { VHOST_USER_PROTOCOL_F_STATUS = 16, /* Feature 17 reserved for VHOST_USER_PROTOCOL_F_XEN_MMAP. */ VHOST_USER_PROTOCOL_F_SHARED_OBJECT = 18, + VHOST_USER_PROTOCOL_F_DEVICE_STATE = 19, VHOST_USER_PROTOCOL_F_MAX }; diff --git a/include/hw/virtio/vhost.h b/include/hw/virtio/vhost.h index 5e8183f..05d7204 100644 --- a/include/hw/virtio/vhost.h +++ b/include/hw/virtio/vhost.h @@ -351,4 +351,117 @@ static inline int vhost_reset_device(struct vhost_dev *hdev) } #endif /* CONFIG_VHOST */ +/** + * vhost_supports_device_state(): Checks whether the back-end supports + * transferring internal device state for the purpose of migration. + * Support for this feature is required for vhost_set_device_state_fd() + * and vhost_check_device_state(). + * + * @dev: The vhost device + * + * Returns true if the device supports these commands, and false if it + * does not. + */ +bool vhost_supports_device_state(struct vhost_dev *dev); + +/** + * vhost_set_device_state_fd(): Begin transfer of internal state from/to + * the back-end for the purpose of migration. Data is to be transferred + * over a pipe according to @direction and @phase. The sending end must + * only write to the pipe, and the receiving end must only read from it. + * Once the sending end is done, it closes its FD. The receiving end + * must take this as the end-of-transfer signal and close its FD, too. + * + * @fd is the back-end's end of the pipe: The write FD for SAVE, and the + * read FD for LOAD. This function transfers ownership of @fd to the + * back-end, i.e. closes it in the front-end. + * + * The back-end may optionally reply with an FD of its own, if this + * improves efficiency on its end. In this case, the returned FD is + * stored in *reply_fd. The back-end will discard the FD sent to it, + * and the front-end must use *reply_fd for transferring state to/from + * the back-end. + * + * @dev: The vhost device + * @direction: The direction in which the state is to be transferred. + * For outgoing migrations, this is SAVE, and data is read + * from the back-end and stored by the front-end in the + * migration stream. + * For incoming migrations, this is LOAD, and data is read + * by the front-end from the migration stream and sent to + * the back-end to restore the saved state. + * @phase: Which migration phase we are in. Currently, there is only + * STOPPED (device and all vrings are stopped), in the future, + * more phases such as PRE_COPY or POST_COPY may be added. + * @fd: Back-end's end of the pipe through which to transfer state; note + * that ownership is transferred to the back-end, so this function + * closes @fd in the front-end. + * @reply_fd: If the back-end wishes to use a different pipe for state + * transfer, this will contain an FD for the front-end to + * use. Otherwise, -1 is stored here. + * @errp: Potential error description + * + * Returns 0 on success, and -errno on failure. + */ +int vhost_set_device_state_fd(struct vhost_dev *dev, + VhostDeviceStateDirection direction, + VhostDeviceStatePhase phase, + int fd, + int *reply_fd, + Error **errp); + +/** + * vhost_set_device_state_fd(): After transferring state from/to the + * back-end via vhost_set_device_state_fd(), i.e. once the sending end + * has closed the pipe, inquire the back-end to report any potential + * errors that have occurred on its side. This allows to sense errors + * like: + * - During outgoing migration, when the source side had already started + * to produce its state, something went wrong and it failed to finish + * - During incoming migration, when the received state is somehow + * invalid and cannot be processed by the back-end + * + * @dev: The vhost device + * @errp: Potential error description + * + * Returns 0 when the back-end reports successful state transfer and + * processing, and -errno when an error occurred somewhere. + */ +int vhost_check_device_state(struct vhost_dev *dev, Error **errp); + +/** + * vhost_save_backend_state(): High-level function to receive a vhost + * back-end's state, and save it in @f. Uses + * `vhost_set_device_state_fd()` to get the data from the back-end, and + * stores it in consecutive chunks that are each prefixed by their + * respective length (be32). The end is marked by a 0-length chunk. + * + * Must only be called while the device and all its vrings are stopped + * (`VHOST_TRANSFER_STATE_PHASE_STOPPED`). + * + * @dev: The vhost device from which to save the state + * @f: Migration stream in which to save the state + * @errp: Potential error message + * + * Returns 0 on success, and -errno otherwise. + */ +int vhost_save_backend_state(struct vhost_dev *dev, QEMUFile *f, Error **errp); + +/** + * vhost_load_backend_state(): High-level function to load a vhost + * back-end's state from @f, and send it over to the back-end. Reads + * the data from @f in the format used by `vhost_save_state()`, and uses + * `vhost_set_device_state_fd()` to transfer it to the back-end. + * + * Must only be called while the device and all its vrings are stopped + * (`VHOST_TRANSFER_STATE_PHASE_STOPPED`). + * + * @dev: The vhost device to which to send the sate + * @f: Migration stream from which to load the state + * @errp: Potential error message + * + * Returns 0 on success, and -errno otherwise. + */ +int vhost_load_backend_state(struct vhost_dev *dev, QEMUFile *f, Error **errp); + #endif diff --git a/include/hw/xen/interface/arch-arm.h b/include/hw/xen/interface/arch-arm.h index 94b3151..1528ced 100644 --- a/include/hw/xen/interface/arch-arm.h +++ b/include/hw/xen/interface/arch-arm.h @@ -1,26 +1,9 @@ +/* SPDX-License-Identifier: MIT */ /****************************************************************************** * arch-arm.h * * Guest OS interface to ARM Xen. * - * 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. - * * Copyright 2011 (C) Citrix Systems */ @@ -361,6 +344,7 @@ typedef uint64_t xen_callback_t; #define PSR_DBG_MASK (1<<9) /* arm64: Debug Exception mask */ #define PSR_IT_MASK (0x0600fc00) /* Thumb If-Then Mask */ #define PSR_JAZELLE (1<<24) /* Jazelle Mode */ +#define PSR_Z (1<<30) /* Zero condition flag */ /* 32 bit modes */ #define PSR_MODE_USR 0x10 @@ -383,7 +367,15 @@ typedef uint64_t xen_callback_t; #define PSR_MODE_EL1t 0x04 #define PSR_MODE_EL0t 0x00 -#define PSR_GUEST32_INIT (PSR_ABT_MASK|PSR_FIQ_MASK|PSR_IRQ_MASK|PSR_MODE_SVC) +/* + * We set PSR_Z to be able to boot Linux kernel versions with an invalid + * encoding of the first 8 NOP instructions. See commit a92882a4d270 in + * Linux. + * + * Note that PSR_Z is also set by U-Boot and QEMU -kernel when loading + * zImage kernels on aarch32. + */ +#define PSR_GUEST32_INIT (PSR_Z|PSR_ABT_MASK|PSR_FIQ_MASK|PSR_IRQ_MASK|PSR_MODE_SVC) #define PSR_GUEST64_INIT (PSR_ABT_MASK|PSR_FIQ_MASK|PSR_IRQ_MASK|PSR_MODE_EL1h) #define SCTLR_GUEST_INIT xen_mk_ullong(0x00c50078) @@ -398,6 +390,10 @@ typedef uint64_t xen_callback_t; /* Physical Address Space */ +/* Virtio MMIO mappings */ +#define GUEST_VIRTIO_MMIO_BASE xen_mk_ullong(0x02000000) +#define GUEST_VIRTIO_MMIO_SIZE xen_mk_ullong(0x00100000) + /* * vGIC mappings: Only one set of mapping is used by the guest. * Therefore they can overlap. @@ -484,6 +480,9 @@ typedef uint64_t xen_callback_t; #define GUEST_VPL011_SPI 32 +#define GUEST_VIRTIO_MMIO_SPI_FIRST 33 +#define GUEST_VIRTIO_MMIO_SPI_LAST 43 + /* PSCI functions */ #define PSCI_cpu_suspend 0 #define PSCI_cpu_off 1 diff --git a/include/hw/xen/interface/arch-x86/cpuid.h b/include/hw/xen/interface/arch-x86/cpuid.h index ce46305..7ecd16a 100644 --- a/include/hw/xen/interface/arch-x86/cpuid.h +++ b/include/hw/xen/interface/arch-x86/cpuid.h @@ -1,26 +1,9 @@ +/* SPDX-License-Identifier: MIT */ /****************************************************************************** * arch-x86/cpuid.h * * CPUID interface to Xen. * - * 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. - * * Copyright (c) 2007 Citrix Systems, Inc. * * Authors: @@ -102,6 +85,18 @@ #define XEN_HVM_CPUID_IOMMU_MAPPINGS (1u << 2) #define XEN_HVM_CPUID_VCPU_ID_PRESENT (1u << 3) /* vcpu id is present in EBX */ #define XEN_HVM_CPUID_DOMID_PRESENT (1u << 4) /* domid is present in ECX */ +/* + * With interrupt format set to 0 (non-remappable) bits 55:49 from the + * IO-APIC RTE and bits 11:5 from the MSI address can be used to store + * high bits for the Destination ID. This expands the Destination ID + * field from 8 to 15 bits, allowing to target APIC IDs up 32768. + */ +#define XEN_HVM_CPUID_EXT_DEST_ID (1u << 5) +/* + * Per-vCPU event channel upcalls work correctly with physical IRQs + * bound to event channels. + */ +#define XEN_HVM_CPUID_UPCALL_VECTOR (1u << 6) /* * Leaf 6 (0x40000x05) diff --git a/include/hw/xen/interface/arch-x86/xen-x86_32.h b/include/hw/xen/interface/arch-x86/xen-x86_32.h index 19d7388..139438e 100644 --- a/include/hw/xen/interface/arch-x86/xen-x86_32.h +++ b/include/hw/xen/interface/arch-x86/xen-x86_32.h @@ -1,26 +1,9 @@ +/* SPDX-License-Identifier: MIT */ /****************************************************************************** * xen-x86_32.h * * Guest OS interface to x86 32-bit Xen. * - * 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. - * * Copyright (c) 2004-2007, K A Fraser */ diff --git a/include/hw/xen/interface/arch-x86/xen-x86_64.h b/include/hw/xen/interface/arch-x86/xen-x86_64.h index 40aed14..5d9035e 100644 --- a/include/hw/xen/interface/arch-x86/xen-x86_64.h +++ b/include/hw/xen/interface/arch-x86/xen-x86_64.h @@ -1,26 +1,9 @@ +/* SPDX-License-Identifier: MIT */ /****************************************************************************** * xen-x86_64.h * * Guest OS interface to x86 64-bit Xen. * - * 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. - * * Copyright (c) 2004-2006, K A Fraser */ diff --git a/include/hw/xen/interface/arch-x86/xen.h b/include/hw/xen/interface/arch-x86/xen.h index 7acd94c..c0f4551 100644 --- a/include/hw/xen/interface/arch-x86/xen.h +++ b/include/hw/xen/interface/arch-x86/xen.h @@ -1,26 +1,9 @@ +/* SPDX-License-Identifier: MIT */ /****************************************************************************** * arch-x86/xen.h * * Guest OS interface to x86 Xen. * - * 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. - * * Copyright (c) 2004-2006, K A Fraser */ @@ -320,12 +303,9 @@ struct xen_arch_domainconfig { uint32_t misc_flags; }; -/* Location of online VCPU bitmap. */ -#define XEN_ACPI_CPU_MAP 0xaf00 -#define XEN_ACPI_CPU_MAP_LEN ((HVM_MAX_VCPUS + 7) / 8) +/* Max XEN_X86_* constant. Used for ABI checking. */ +#define XEN_X86_MISC_FLAGS_MAX XEN_X86_MSR_RELAXED -/* GPE0 bit set during CPU hotplug */ -#define XEN_ACPI_GPE0_CPUHP_BIT 2 #endif /* diff --git a/include/hw/xen/interface/event_channel.h b/include/hw/xen/interface/event_channel.h index 73c9f38..0d91a1c 100644 --- a/include/hw/xen/interface/event_channel.h +++ b/include/hw/xen/interface/event_channel.h @@ -1,26 +1,9 @@ +/* SPDX-License-Identifier: MIT */ /****************************************************************************** * event_channel.h * * Event channels between domains. * - * 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. - * * Copyright (c) 2003-2004, K A Fraser. */ diff --git a/include/hw/xen/interface/features.h b/include/hw/xen/interface/features.h index 9ee2f76..d2a9175 100644 --- a/include/hw/xen/interface/features.h +++ b/include/hw/xen/interface/features.h @@ -1,26 +1,9 @@ +/* SPDX-License-Identifier: MIT */ /****************************************************************************** * features.h * * Feature flags, reported by XENVER_get_features. * - * 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. - * * Copyright (c) 2006, Keir Fraser <keir@xensource.com> */ diff --git a/include/hw/xen/interface/grant_table.h b/include/hw/xen/interface/grant_table.h index 7934d7b..1dfa17a 100644 --- a/include/hw/xen/interface/grant_table.h +++ b/include/hw/xen/interface/grant_table.h @@ -1,27 +1,10 @@ +/* SPDX-License-Identifier: MIT */ /****************************************************************************** * grant_table.h * * Interface for granting foreign access to page frames, and receiving * page-ownership transfers. * - * 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. - * * Copyright (c) 2004, K A Fraser */ diff --git a/include/hw/xen/interface/hvm/hvm_op.h b/include/hw/xen/interface/hvm/hvm_op.h index 870ec52..e22adf0 100644 --- a/include/hw/xen/interface/hvm/hvm_op.h +++ b/include/hw/xen/interface/hvm/hvm_op.h @@ -1,22 +1,5 @@ +/* SPDX-License-Identifier: MIT */ /* - * 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. - * * Copyright (c) 2007, Keir Fraser */ diff --git a/include/hw/xen/interface/hvm/params.h b/include/hw/xen/interface/hvm/params.h index c9d6e70..a22b4ed 100644 --- a/include/hw/xen/interface/hvm/params.h +++ b/include/hw/xen/interface/hvm/params.h @@ -1,22 +1,5 @@ +/* SPDX-License-Identifier: MIT */ /* - * 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. - * * Copyright (c) 2007, Keir Fraser */ diff --git a/include/hw/xen/interface/io/blkif.h b/include/hw/xen/interface/io/blkif.h index 4cdba79..22f1eef 100644 --- a/include/hw/xen/interface/io/blkif.h +++ b/include/hw/xen/interface/io/blkif.h @@ -1,26 +1,9 @@ +/* SPDX-License-Identifier: MIT */ /****************************************************************************** * blkif.h * * Unified block-device I/O interface for Xen guest OSes. * - * 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. - * * Copyright (c) 2003-2004, Keir Fraser * Copyright (c) 2012, Spectra Logic Corporation */ @@ -363,6 +346,14 @@ * that the frontend requires that the logical block size is 512 as it * is hardcoded (which is the case in some frontend implementations). * + * trusted + * Values: 0/1 (boolean) + * Default value: 1 + * + * A value of "0" indicates that the frontend should not trust the + * backend, and should deploy whatever measures available to protect from + * a malicious backend on the other end. + * *------------------------- Virtual Device Properties ------------------------- * * device-type diff --git a/include/hw/xen/interface/io/console.h b/include/hw/xen/interface/io/console.h index 4811f47..4509b4b 100644 --- a/include/hw/xen/interface/io/console.h +++ b/include/hw/xen/interface/io/console.h @@ -1,26 +1,9 @@ +/* SPDX-License-Identifier: MIT */ /****************************************************************************** * console.h * * Console I/O interface for Xen guest OSes. * - * 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. - * * Copyright (c) 2005, Keir Fraser */ diff --git a/include/hw/xen/interface/io/fbif.h b/include/hw/xen/interface/io/fbif.h index cc25aab..93c7319 100644 --- a/include/hw/xen/interface/io/fbif.h +++ b/include/hw/xen/interface/io/fbif.h @@ -1,24 +1,7 @@ +/* SPDX-License-Identifier: MIT */ /* * fbif.h -- Xen virtual frame buffer device * - * 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. - * * Copyright (C) 2005 Anthony Liguori <aliguori@us.ibm.com> * Copyright (C) 2006 Red Hat, Inc., Markus Armbruster <armbru@redhat.com> */ diff --git a/include/hw/xen/interface/io/kbdif.h b/include/hw/xen/interface/io/kbdif.h index a6b01c5..4bde6b3 100644 --- a/include/hw/xen/interface/io/kbdif.h +++ b/include/hw/xen/interface/io/kbdif.h @@ -1,24 +1,7 @@ +/* SPDX-License-Identifier: MIT */ /* * kbdif.h -- Xen virtual keyboard/mouse * - * 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. - * * Copyright (C) 2005 Anthony Liguori <aliguori@us.ibm.com> * Copyright (C) 2006 Red Hat, Inc., Markus Armbruster <armbru@redhat.com> */ diff --git a/include/hw/xen/interface/io/netif.h b/include/hw/xen/interface/io/netif.h index 00dd258..c13b850 100644 --- a/include/hw/xen/interface/io/netif.h +++ b/include/hw/xen/interface/io/netif.h @@ -1,26 +1,9 @@ +/* SPDX-License-Identifier: MIT */ /****************************************************************************** * netif.h * * Unified network-device I/O interface for Xen guest OSes. * - * 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. - * * Copyright (c) 2003-2004, Keir Fraser */ @@ -161,6 +144,12 @@ */ /* + * The setting of "trusted" node to "0" in the frontend path signals that the + * frontend should not trust the backend, and should deploy whatever measures + * available to protect from a malicious backend on the other end. + */ + +/* * Control ring * ============ * diff --git a/include/hw/xen/interface/io/protocols.h b/include/hw/xen/interface/io/protocols.h index 52b4de0..7815e1f 100644 --- a/include/hw/xen/interface/io/protocols.h +++ b/include/hw/xen/interface/io/protocols.h @@ -1,24 +1,7 @@ +/* SPDX-License-Identifier: MIT */ /****************************************************************************** * protocols.h * - * 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. - * * Copyright (c) 2008, Keir Fraser */ diff --git a/include/hw/xen/interface/io/ring.h b/include/hw/xen/interface/io/ring.h index c486c45..0259392 100644 --- a/include/hw/xen/interface/io/ring.h +++ b/include/hw/xen/interface/io/ring.h @@ -1,26 +1,9 @@ +/* SPDX-License-Identifier: MIT */ /****************************************************************************** * ring.h * * Shared producer-consumer ring macros. * - * 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. - * * Tim Deegan and Andrew Warfield November 2004. */ @@ -95,9 +78,8 @@ typedef unsigned int RING_IDX; * of the shared memory area (PAGE_SIZE, for instance). To initialise * the front half: * - * mytag_front_ring_t front_ring; - * SHARED_RING_INIT((mytag_sring_t *)shared_page); - * FRONT_RING_INIT(&front_ring, (mytag_sring_t *)shared_page, PAGE_SIZE); + * mytag_front_ring_t ring; + * XEN_FRONT_RING_INIT(&ring, (mytag_sring_t *)shared_page, PAGE_SIZE); * * Initializing the back follows similarly (note that only the front * initializes the shared ring): @@ -184,6 +166,11 @@ typedef struct __name##_back_ring __name##_back_ring_t #define FRONT_RING_INIT(_r, _s, __size) FRONT_RING_ATTACH(_r, _s, 0, __size) +#define XEN_FRONT_RING_INIT(r, s, size) do { \ + SHARED_RING_INIT(s); \ + FRONT_RING_INIT(r, s, size); \ +} while (0) + #define BACK_RING_ATTACH(_r, _s, _i, __size) do { \ (_r)->rsp_prod_pvt = (_i); \ (_r)->req_cons = (_i); \ @@ -208,11 +195,11 @@ typedef struct __name##_back_ring __name##_back_ring_t (RING_FREE_REQUESTS(_r) == 0) /* Test if there are outstanding messages to be processed on a ring. */ -#define RING_HAS_UNCONSUMED_RESPONSES(_r) \ +#define XEN_RING_NR_UNCONSUMED_RESPONSES(_r) \ ((_r)->sring->rsp_prod - (_r)->rsp_cons) #ifdef __GNUC__ -#define RING_HAS_UNCONSUMED_REQUESTS(_r) ({ \ +#define XEN_RING_NR_UNCONSUMED_REQUESTS(_r) ({ \ unsigned int req = (_r)->sring->req_prod - (_r)->req_cons; \ unsigned int rsp = RING_SIZE(_r) - \ ((_r)->req_cons - (_r)->rsp_prod_pvt); \ @@ -220,13 +207,27 @@ typedef struct __name##_back_ring __name##_back_ring_t }) #else /* Same as above, but without the nice GCC ({ ... }) syntax. */ -#define RING_HAS_UNCONSUMED_REQUESTS(_r) \ +#define XEN_RING_NR_UNCONSUMED_REQUESTS(_r) \ ((((_r)->sring->req_prod - (_r)->req_cons) < \ (RING_SIZE(_r) - ((_r)->req_cons - (_r)->rsp_prod_pvt))) ? \ ((_r)->sring->req_prod - (_r)->req_cons) : \ (RING_SIZE(_r) - ((_r)->req_cons - (_r)->rsp_prod_pvt))) #endif +#ifdef XEN_RING_HAS_UNCONSUMED_IS_BOOL +/* + * These variants should only be used in case no caller is abusing them for + * obtaining the number of unconsumed responses/requests. + */ +#define RING_HAS_UNCONSUMED_RESPONSES(_r) \ + (!!XEN_RING_NR_UNCONSUMED_RESPONSES(_r)) +#define RING_HAS_UNCONSUMED_REQUESTS(_r) \ + (!!XEN_RING_NR_UNCONSUMED_REQUESTS(_r)) +#else +#define RING_HAS_UNCONSUMED_RESPONSES(_r) XEN_RING_NR_UNCONSUMED_RESPONSES(_r) +#define RING_HAS_UNCONSUMED_REQUESTS(_r) XEN_RING_NR_UNCONSUMED_REQUESTS(_r) +#endif + /* Direct access to individual ring elements, by index. */ #define RING_GET_REQUEST(_r, _idx) \ (&((_r)->sring->ring[((_idx) & (RING_SIZE(_r) - 1))].req)) diff --git a/include/hw/xen/interface/io/usbif.h b/include/hw/xen/interface/io/usbif.h index c0a552e..875af0d 100644 --- a/include/hw/xen/interface/io/usbif.h +++ b/include/hw/xen/interface/io/usbif.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: MIT */ /* * usbif.h * @@ -5,24 +6,6 @@ * * Copyright (C) 2009, FUJITSU LABORATORIES LTD. * Author: Noboru Iwamatsu <n_iwamatsu@jp.fujitsu.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. */ #ifndef __XEN_PUBLIC_IO_USBIF_H__ diff --git a/include/hw/xen/interface/io/xenbus.h b/include/hw/xen/interface/io/xenbus.h index 927f9db..9cd0cd7 100644 --- a/include/hw/xen/interface/io/xenbus.h +++ b/include/hw/xen/interface/io/xenbus.h @@ -1,26 +1,9 @@ +/* SPDX-License-Identifier: MIT */ /***************************************************************************** * xenbus.h * * Xenbus protocol details. * - * 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. - * * Copyright (C) 2005 XenSource Ltd. */ diff --git a/include/hw/xen/interface/io/xs_wire.h b/include/hw/xen/interface/io/xs_wire.h index 4dd6632..04e6849 100644 --- a/include/hw/xen/interface/io/xs_wire.h +++ b/include/hw/xen/interface/io/xs_wire.h @@ -1,25 +1,8 @@ +/* SPDX-License-Identifier: MIT */ /* * Details of the "wire" protocol between Xen Store Daemon and client * library or guest kernel. * - * 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. - * * Copyright (C) 2005 Rusty Russell IBM Corporation */ @@ -71,11 +54,12 @@ struct xsd_errors #ifdef EINVAL #define XSD_ERROR(x) { x, #x } /* LINTED: static unused */ -static struct xsd_errors xsd_errors[] +static const struct xsd_errors xsd_errors[] #if defined(__GNUC__) __attribute__((unused)) #endif = { + /* /!\ New errors should be added at the end of the array. */ XSD_ERROR(EINVAL), XSD_ERROR(EACCES), XSD_ERROR(EEXIST), @@ -90,7 +74,8 @@ __attribute__((unused)) XSD_ERROR(EBUSY), XSD_ERROR(EAGAIN), XSD_ERROR(EISCONN), - XSD_ERROR(E2BIG) + XSD_ERROR(E2BIG), + XSD_ERROR(EPERM), }; #endif @@ -124,6 +109,7 @@ struct xenstore_domain_interface { XENSTORE_RING_IDX rsp_cons, rsp_prod; uint32_t server_features; /* Bitmap of features supported by the server */ uint32_t connection; + uint32_t error; }; /* Violating this is very bad. See docs/misc/xenstore.txt. */ @@ -135,10 +121,18 @@ struct xenstore_domain_interface { /* The ability to reconnect a ring */ #define XENSTORE_SERVER_FEATURE_RECONNECTION 1 +/* The presence of the "error" field in the ring page */ +#define XENSTORE_SERVER_FEATURE_ERROR 2 /* Valid values for the connection field */ #define XENSTORE_CONNECTED 0 /* the steady-state */ -#define XENSTORE_RECONNECT 1 /* guest has initiated a reconnect */ +#define XENSTORE_RECONNECT 1 /* reconnect in progress */ + +/* Valid values for the error field */ +#define XENSTORE_ERROR_NONE 0 /* No error */ +#define XENSTORE_ERROR_COMM 1 /* Communication problem */ +#define XENSTORE_ERROR_RINGIDX 2 /* Invalid ring index */ +#define XENSTORE_ERROR_PROTO 3 /* Protocol violation (payload too long) */ #endif /* _XS_WIRE_H */ diff --git a/include/hw/xen/interface/memory.h b/include/hw/xen/interface/memory.h index 383a946..29cf5c8 100644 --- a/include/hw/xen/interface/memory.h +++ b/include/hw/xen/interface/memory.h @@ -1,26 +1,9 @@ +/* SPDX-License-Identifier: MIT */ /****************************************************************************** * memory.h * * Memory reservation and information. * - * 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. - * * Copyright (c) 2005, Keir Fraser <keir@xensource.com> */ @@ -541,12 +524,14 @@ struct xen_mem_sharing_op { uint32_t gref; /* IN: gref to debug */ } u; } debug; - struct mem_sharing_op_fork { /* OP_FORK */ + struct mem_sharing_op_fork { /* OP_FORK{,_RESET} */ domid_t parent_domain; /* IN: parent's domain id */ /* Only makes sense for short-lived forks */ #define XENMEM_FORK_WITH_IOMMU_ALLOWED (1u << 0) /* Only makes sense for short-lived forks */ #define XENMEM_FORK_BLOCK_INTERRUPTS (1u << 1) +#define XENMEM_FORK_RESET_STATE (1u << 2) +#define XENMEM_FORK_RESET_MEMORY (1u << 3) uint16_t flags; /* IN: optional settings */ uint32_t pad; /* Must be set to 0 */ } fork; @@ -662,6 +647,13 @@ struct xen_mem_acquire_resource { * two calls. */ uint32_t nr_frames; + /* + * Padding field, must be zero on input. + * In a previous version this was an output field with the lowest bit + * named XENMEM_rsrc_acq_caller_owned. Future versions of this interface + * will not reuse this bit as an output with the field being zero on + * input. + */ uint32_t pad; /* * IN - the index of the initial frame to be mapped. This parameter diff --git a/include/hw/xen/interface/physdev.h b/include/hw/xen/interface/physdev.h index d271766..f0c0d47 100644 --- a/include/hw/xen/interface/physdev.h +++ b/include/hw/xen/interface/physdev.h @@ -1,22 +1,5 @@ +/* SPDX-License-Identifier: MIT */ /* - * 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. - * * Copyright (c) 2006, Keir Fraser */ @@ -211,8 +194,8 @@ struct physdev_manage_pci_ext { /* IN */ uint8_t bus; uint8_t devfn; - unsigned is_extfn; - unsigned is_virtfn; + uint32_t is_extfn; + uint32_t is_virtfn; struct { uint8_t bus; uint8_t devfn; diff --git a/include/hw/xen/interface/sched.h b/include/hw/xen/interface/sched.h index 811bd87..b4362c6 100644 --- a/include/hw/xen/interface/sched.h +++ b/include/hw/xen/interface/sched.h @@ -1,26 +1,9 @@ +/* SPDX-License-Identifier: MIT */ /****************************************************************************** * sched.h * * Scheduler state interactions * - * 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. - * * Copyright (c) 2005, Keir Fraser <keir@xensource.com> */ diff --git a/include/hw/xen/interface/trace.h b/include/hw/xen/interface/trace.h index d5fa4ae..62a1799 100644 --- a/include/hw/xen/interface/trace.h +++ b/include/hw/xen/interface/trace.h @@ -1,24 +1,7 @@ +/* SPDX-License-Identifier: MIT */ /****************************************************************************** * include/public/trace.h * - * 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. - * * Mark Williamson, (C) 2004 Intel Research Cambridge * Copyright (C) 2005 Bin Ren */ diff --git a/include/hw/xen/interface/vcpu.h b/include/hw/xen/interface/vcpu.h index 3623af9..81a3b3a 100644 --- a/include/hw/xen/interface/vcpu.h +++ b/include/hw/xen/interface/vcpu.h @@ -1,26 +1,9 @@ +/* SPDX-License-Identifier: MIT */ /****************************************************************************** * vcpu.h * * VCPU initialisation, query, and hotplug. * - * 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. - * * Copyright (c) 2005, Keir Fraser <keir@xensource.com> */ diff --git a/include/hw/xen/interface/version.h b/include/hw/xen/interface/version.h index 17a81e2..9c78b4f 100644 --- a/include/hw/xen/interface/version.h +++ b/include/hw/xen/interface/version.h @@ -1,26 +1,9 @@ +/* SPDX-License-Identifier: MIT */ /****************************************************************************** * version.h * * Xen version, type, and compile information. * - * 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. - * * Copyright (c) 2005, Nguyen Anh Quynh <aquynh@gmail.com> * Copyright (c) 2005, Keir Fraser <keir@xensource.com> */ diff --git a/include/hw/xen/interface/xen-compat.h b/include/hw/xen/interface/xen-compat.h index e1c027a..97fe698 100644 --- a/include/hw/xen/interface/xen-compat.h +++ b/include/hw/xen/interface/xen-compat.h @@ -1,26 +1,9 @@ +/* SPDX-License-Identifier: MIT */ /****************************************************************************** * xen-compat.h * * Guest OS interface to Xen. Compatibility layer. * - * 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. - * * Copyright (c) 2006, Christian Limpach */ diff --git a/include/hw/xen/interface/xen.h b/include/hw/xen/interface/xen.h index e373592..920567e 100644 --- a/include/hw/xen/interface/xen.h +++ b/include/hw/xen/interface/xen.h @@ -1,26 +1,9 @@ +/* SPDX-License-Identifier: MIT */ /****************************************************************************** * xen.h * * Guest OS interface to Xen. * - * 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. - * * Copyright (c) 2004, K A Fraser */ diff --git a/include/hw/xen/xen-backend.h b/include/hw/xen/xen-backend.h index aac2fd4..0f01631 100644 --- a/include/hw/xen/xen-backend.h +++ b/include/hw/xen/xen-backend.h @@ -33,6 +33,7 @@ XenDevice *xen_backend_get_device(XenBackendInstance *backend); void xen_backend_register(const XenBackendInfo *info); const char **xen_backend_get_types(unsigned int *nr); +bool xen_backend_exists(const char *type, const char *name); void xen_backend_device_create(XenBus *xenbus, const char *type, const char *name, QDict *opts, Error **errp); bool xen_backend_try_device_destroy(XenDevice *xendev, Error **errp); diff --git a/include/hw/xen/xen-bus.h b/include/hw/xen/xen-bus.h index f435898..334ddd1 100644 --- a/include/hw/xen/xen-bus.h +++ b/include/hw/xen/xen-bus.h @@ -33,6 +33,7 @@ struct XenDevice { }; typedef struct XenDevice XenDevice; +typedef char *(*XenDeviceGetFrontendPath)(XenDevice *xendev, Error **errp); typedef char *(*XenDeviceGetName)(XenDevice *xendev, Error **errp); typedef void (*XenDeviceRealize)(XenDevice *xendev, Error **errp); typedef void (*XenDeviceFrontendChanged)(XenDevice *xendev, @@ -46,6 +47,7 @@ struct XenDeviceClass { /*< public >*/ const char *backend; const char *device; + XenDeviceGetFrontendPath get_frontend_path; XenDeviceGetName get_name; XenDeviceRealize realize; XenDeviceFrontendChanged frontend_changed; @@ -73,7 +75,7 @@ struct XenBusClass { OBJECT_DECLARE_TYPE(XenBus, XenBusClass, XEN_BUS) -void xen_bus_init(void); +BusState *xen_bus_init(void); void xen_device_backend_set_state(XenDevice *xendev, enum xenbus_state state); @@ -129,5 +131,6 @@ void xen_device_notify_event_channel(XenDevice *xendev, void xen_device_unbind_event_channel(XenDevice *xendev, XenEventChannel *channel, Error **errp); +unsigned int xen_event_channel_get_local_port(XenEventChannel *channel); #endif /* HW_XEN_BUS_H */ diff --git a/include/hw/xen/xen-legacy-backend.h b/include/hw/xen/xen-legacy-backend.h index 6c307c5..fc42146 100644 --- a/include/hw/xen/xen-legacy-backend.h +++ b/include/hw/xen/xen-legacy-backend.h @@ -81,7 +81,6 @@ extern struct XenDevOps xen_usb_ops; /* xen-usb.c */ /* configuration (aka xenbus setup) */ void xen_config_cleanup(void); -int xen_config_dev_blk(DriveInfo *disk); int xen_config_dev_nic(NICInfo *nic); int xen_config_dev_vfb(int vdev, const char *type); int xen_config_dev_vkbd(int vdev); |