diff options
author | 2015-08-28 09:58:54 +0800 | |
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committer | 2015-09-01 12:44:00 +0800 | |
commit | e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch) | |
tree | 66b09f592c55df2878107a468a91d21506104d3f /qemu/include/hw/s390x | |
parent | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff) |
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/include/hw/s390x')
-rw-r--r-- | qemu/include/hw/s390x/adapter.h | 23 | ||||
-rw-r--r-- | qemu/include/hw/s390x/ebcdic.h | 104 | ||||
-rw-r--r-- | qemu/include/hw/s390x/event-facility.h | 198 | ||||
-rw-r--r-- | qemu/include/hw/s390x/s390_flic.h | 79 | ||||
-rw-r--r-- | qemu/include/hw/s390x/sclp.h | 195 |
5 files changed, 599 insertions, 0 deletions
diff --git a/qemu/include/hw/s390x/adapter.h b/qemu/include/hw/s390x/adapter.h new file mode 100644 index 000000000..7f1703508 --- /dev/null +++ b/qemu/include/hw/s390x/adapter.h @@ -0,0 +1,23 @@ +/* + * s390 adapter definitions + * + * Copyright 2013,2014 IBM Corp. + * Author(s): Cornelia Huck <cornelia.huck@de.ibm.com> + * + * 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 S390X_ADAPTER_H +#define S390X_ADAPTER_H + +struct AdapterInfo { + uint64_t ind_addr; + uint64_t summary_addr; + uint64_t ind_offset; + uint32_t summary_offset; + uint32_t adapter_id; +}; + +#endif diff --git a/qemu/include/hw/s390x/ebcdic.h b/qemu/include/hw/s390x/ebcdic.h new file mode 100644 index 000000000..1d6fde9c1 --- /dev/null +++ b/qemu/include/hw/s390x/ebcdic.h @@ -0,0 +1,104 @@ +/* + * EBCDIC/ASCII conversion Support + * + * Copyright (c) 2011 Alexander Graf + * Copyright IBM, Corp. 2013 + * + * 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 EBCDIC_H_ +#define EBCDIC_H_ + +/* EBCDIC handling */ +static const uint8_t ebcdic2ascii[] = { + 0x00, 0x01, 0x02, 0x03, 0x07, 0x09, 0x07, 0x7F, + 0x07, 0x07, 0x07, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, + 0x10, 0x11, 0x12, 0x13, 0x07, 0x0A, 0x08, 0x07, + 0x18, 0x19, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, + 0x07, 0x07, 0x1C, 0x07, 0x07, 0x0A, 0x17, 0x1B, + 0x07, 0x07, 0x07, 0x07, 0x07, 0x05, 0x06, 0x07, + 0x07, 0x07, 0x16, 0x07, 0x07, 0x07, 0x07, 0x04, + 0x07, 0x07, 0x07, 0x07, 0x14, 0x15, 0x07, 0x1A, + 0x20, 0xFF, 0x83, 0x84, 0x85, 0xA0, 0x07, 0x86, + 0x87, 0xA4, 0x5B, 0x2E, 0x3C, 0x28, 0x2B, 0x21, + 0x26, 0x82, 0x88, 0x89, 0x8A, 0xA1, 0x8C, 0x07, + 0x8D, 0xE1, 0x5D, 0x24, 0x2A, 0x29, 0x3B, 0x5E, + 0x2D, 0x2F, 0x07, 0x8E, 0x07, 0x07, 0x07, 0x8F, + 0x80, 0xA5, 0x07, 0x2C, 0x25, 0x5F, 0x3E, 0x3F, + 0x07, 0x90, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, + 0x70, 0x60, 0x3A, 0x23, 0x40, 0x27, 0x3D, 0x22, + 0x07, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, + 0x68, 0x69, 0xAE, 0xAF, 0x07, 0x07, 0x07, 0xF1, + 0xF8, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F, 0x70, + 0x71, 0x72, 0xA6, 0xA7, 0x91, 0x07, 0x92, 0x07, + 0xE6, 0x7E, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, + 0x79, 0x7A, 0xAD, 0xAB, 0x07, 0x07, 0x07, 0x07, + 0x9B, 0x9C, 0x9D, 0xFA, 0x07, 0x07, 0x07, 0xAC, + 0xAB, 0x07, 0xAA, 0x7C, 0x07, 0x07, 0x07, 0x07, + 0x7B, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, + 0x48, 0x49, 0x07, 0x93, 0x94, 0x95, 0xA2, 0x07, + 0x7D, 0x4A, 0x4B, 0x4C, 0x4D, 0x4E, 0x4F, 0x50, + 0x51, 0x52, 0x07, 0x96, 0x81, 0x97, 0xA3, 0x98, + 0x5C, 0xF6, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, + 0x59, 0x5A, 0xFD, 0x07, 0x99, 0x07, 0x07, 0x07, + 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, + 0x38, 0x39, 0x07, 0x07, 0x9A, 0x07, 0x07, 0x07, +}; + +static const uint8_t ascii2ebcdic[] = { + 0x00, 0x01, 0x02, 0x03, 0x37, 0x2D, 0x2E, 0x2F, + 0x16, 0x05, 0x15, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, + 0x10, 0x11, 0x12, 0x13, 0x3C, 0x3D, 0x32, 0x26, + 0x18, 0x19, 0x3F, 0x27, 0x22, 0x1D, 0x1E, 0x1F, + 0x40, 0x5A, 0x7F, 0x7B, 0x5B, 0x6C, 0x50, 0x7D, + 0x4D, 0x5D, 0x5C, 0x4E, 0x6B, 0x60, 0x4B, 0x61, + 0xF0, 0xF1, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0xF7, + 0xF8, 0xF9, 0x7A, 0x5E, 0x4C, 0x7E, 0x6E, 0x6F, + 0x7C, 0xC1, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7, + 0xC8, 0xC9, 0xD1, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, + 0xD7, 0xD8, 0xD9, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, + 0xE7, 0xE8, 0xE9, 0xBA, 0xE0, 0xBB, 0xB0, 0x6D, + 0x79, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, + 0x88, 0x89, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, + 0x97, 0x98, 0x99, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6, + 0xA7, 0xA8, 0xA9, 0xC0, 0x4F, 0xD0, 0xA1, 0x07, + 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, + 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, + 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, + 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, + 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, + 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, + 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, + 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, + 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, + 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, + 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, + 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, + 0x3F, 0x59, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, + 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, + 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, + 0x90, 0x3F, 0x3F, 0x3F, 0x3F, 0xEA, 0x3F, 0xFF +}; + +static inline void ebcdic_put(uint8_t *p, const char *ascii, int len) +{ + int i; + + for (i = 0; i < len; i++) { + p[i] = ascii2ebcdic[(uint8_t)ascii[i]]; + } +} + +static inline void ascii_put(uint8_t *p, const char *ebcdic, int len) +{ + int i; + + for (i = 0; i < len; i++) { + p[i] = ebcdic2ascii[(uint8_t)ebcdic[i]]; + } +} + +#endif /* EBCDIC_H_ */ diff --git a/qemu/include/hw/s390x/event-facility.h b/qemu/include/hw/s390x/event-facility.h new file mode 100644 index 000000000..6a062b668 --- /dev/null +++ b/qemu/include/hw/s390x/event-facility.h @@ -0,0 +1,198 @@ +/* + * SCLP + * Event Facility definitions + * + * Copyright IBM, Corp. 2012 + * + * Authors: + * Heinz Graalfs <graalfs@de.ibm.com> + * + * 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 HW_S390_SCLP_EVENT_FACILITY_H +#define HW_S390_SCLP_EVENT_FACILITY_H + +#include <hw/qdev.h> +#include "qemu/thread.h" +#include "hw/s390x/sclp.h" + +/* SCLP event types */ +#define SCLP_EVENT_OPRTNS_COMMAND 0x01 +#define SCLP_EVENT_MESSAGE 0x02 +#define SCLP_EVENT_CONFIG_MGT_DATA 0x04 +#define SCLP_EVENT_PMSGCMD 0x09 +#define SCLP_EVENT_ASCII_CONSOLE_DATA 0x1a +#define SCLP_EVENT_SIGNAL_QUIESCE 0x1d + +/* SCLP event masks */ +#define SCLP_EVENT_MASK_SIGNAL_QUIESCE 0x00000008 +#define SCLP_EVENT_MASK_MSG_ASCII 0x00000040 +#define SCLP_EVENT_MASK_CONFIG_MGT_DATA 0x10000000 +#define SCLP_EVENT_MASK_OP_CMD 0x80000000 +#define SCLP_EVENT_MASK_MSG 0x40000000 +#define SCLP_EVENT_MASK_PMSGCMD 0x00800000 + +#define SCLP_UNCONDITIONAL_READ 0x00 +#define SCLP_SELECTIVE_READ 0x01 + +#define TYPE_SCLP_EVENT "s390-sclp-event-type" +#define SCLP_EVENT(obj) \ + OBJECT_CHECK(SCLPEvent, (obj), TYPE_SCLP_EVENT) +#define SCLP_EVENT_CLASS(klass) \ + OBJECT_CLASS_CHECK(SCLPEventClass, (klass), TYPE_SCLP_EVENT) +#define SCLP_EVENT_GET_CLASS(obj) \ + OBJECT_GET_CLASS(SCLPEventClass, (obj), TYPE_SCLP_EVENT) + +#define TYPE_SCLP_CPU_HOTPLUG "sclp-cpu-hotplug" + +typedef struct WriteEventMask { + SCCBHeader h; + uint16_t _reserved; + uint16_t mask_length; + uint32_t cp_receive_mask; + uint32_t cp_send_mask; + uint32_t receive_mask; + uint32_t send_mask; +} QEMU_PACKED WriteEventMask; + +typedef struct EventBufferHeader { + uint16_t length; + uint8_t type; + uint8_t flags; + uint16_t _reserved; +} QEMU_PACKED EventBufferHeader; + +typedef struct MdbHeader { + uint16_t length; + uint16_t type; + uint32_t tag; + uint32_t revision_code; +} QEMU_PACKED MdbHeader; + +typedef struct MTO { + uint16_t line_type_flags; + uint8_t alarm_control; + uint8_t _reserved[3]; + char message[]; +} QEMU_PACKED MTO; + +typedef struct GO { + uint32_t domid; + uint8_t hhmmss_time[8]; + uint8_t th_time[3]; + uint8_t _reserved_0; + uint8_t dddyyyy_date[7]; + uint8_t _reserved_1; + uint16_t general_msg_flags; + uint8_t _reserved_2[10]; + uint8_t originating_system_name[8]; + uint8_t job_guest_name[8]; +} QEMU_PACKED GO; + +#define MESSAGE_TEXT 0x0004 + +typedef struct MDBO { + uint16_t length; + uint16_t type; + union { + GO go; + MTO mto; + }; +} QEMU_PACKED MDBO; + +typedef struct MDB { + MdbHeader header; + MDBO mdbo[0]; +} QEMU_PACKED MDB; + +typedef struct SclpMsg { + EventBufferHeader header; + MDB mdb; +} QEMU_PACKED SclpMsg; + +#define GDS_ID_MDSMU 0x1310 +#define GDS_ID_CPMSU 0x1212 +#define GDS_ID_TEXTCMD 0x1320 + +typedef struct GdsVector { + uint16_t length; + uint16_t gds_id; +} QEMU_PACKED GdsVector; + +#define GDS_KEY_SELFDEFTEXTMSG 0x31 +#define GDS_KEY_TEXTMSG 0x30 + +typedef struct GdsSubvector { + uint8_t length; + uint8_t key; +} QEMU_PACKED GdsSubvector; + +/* MDS Message Unit */ +typedef struct MDMSU { + GdsVector mdmsu; + GdsVector cpmsu; + GdsVector text_command; + GdsSubvector self_def_text_message; + GdsSubvector text_message; +} QEMU_PACKED MDMSU; + +typedef struct WriteEventData { + SCCBHeader h; + EventBufferHeader ebh; +} QEMU_PACKED WriteEventData; + +typedef struct ReadEventData { + SCCBHeader h; + EventBufferHeader ebh; + uint32_t mask; +} QEMU_PACKED ReadEventData; + +typedef struct SCLPEvent { + DeviceState qdev; + bool event_pending; + char *name; +} SCLPEvent; + +typedef struct SCLPEventClass { + DeviceClass parent_class; + int (*init)(SCLPEvent *event); + int (*exit)(SCLPEvent *event); + + /* get SCLP's send mask */ + unsigned int (*get_send_mask)(void); + + /* get SCLP's receive mask */ + unsigned int (*get_receive_mask)(void); + + int (*read_event_data)(SCLPEvent *event, EventBufferHeader *evt_buf_hdr, + int *slen); + + int (*write_event_data)(SCLPEvent *event, EventBufferHeader *evt_buf_hdr); + + /* can we handle this event type? */ + bool (*can_handle_event)(uint8_t type); +} SCLPEventClass; + +#define TYPE_SCLP_EVENT_FACILITY "s390-sclp-event-facility" +#define EVENT_FACILITY(obj) \ + OBJECT_CHECK(SCLPEventFacility, (obj), TYPE_SCLP_EVENT_FACILITY) +#define EVENT_FACILITY_CLASS(klass) \ + OBJECT_CLASS_CHECK(SCLPEventFacilityClass, (klass), \ + TYPE_SCLP_EVENT_FACILITY) +#define EVENT_FACILITY_GET_CLASS(obj) \ + OBJECT_GET_CLASS(SCLPEventFacilityClass, (obj), \ + TYPE_SCLP_EVENT_FACILITY) + +typedef struct SCLPEventFacility SCLPEventFacility; + +typedef struct SCLPEventFacilityClass { + DeviceClass parent_class; + int (*init)(SCLPEventFacility *ef); + void (*command_handler)(SCLPEventFacility *ef, SCCB *sccb, uint64_t code); + bool (*event_pending)(SCLPEventFacility *ef); +} SCLPEventFacilityClass; + +#endif diff --git a/qemu/include/hw/s390x/s390_flic.h b/qemu/include/hw/s390x/s390_flic.h new file mode 100644 index 000000000..200e7e93f --- /dev/null +++ b/qemu/include/hw/s390x/s390_flic.h @@ -0,0 +1,79 @@ +/* + * QEMU S390x floating interrupt controller (flic) + * + * Copyright 2014 IBM Corp. + * Author(s): Jens Freimann <jfrei@linux.vnet.ibm.com> + * Cornelia Huck <cornelia.huck@de.ibm.com> + * + * 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 __HW_S390_FLIC_H +#define __HW_S390_FLIC_H + +#include "hw/sysbus.h" +#include "hw/s390x/adapter.h" +#include "hw/virtio/virtio.h" + +#define ADAPTER_ROUTES_MAX_GSI 64 +#define VIRTIO_CCW_QUEUE_MAX ADAPTER_ROUTES_MAX_GSI + +typedef struct AdapterRoutes { + AdapterInfo adapter; + int num_routes; + int gsi[ADAPTER_ROUTES_MAX_GSI]; +} AdapterRoutes; + +#define TYPE_S390_FLIC_COMMON "s390-flic" +#define S390_FLIC_COMMON(obj) \ + OBJECT_CHECK(S390FLICState, (obj), TYPE_S390_FLIC_COMMON) + +typedef struct S390FLICState { + SysBusDevice parent_obj; + +} S390FLICState; + +#define S390_FLIC_COMMON_CLASS(klass) \ + OBJECT_CLASS_CHECK(S390FLICStateClass, (klass), TYPE_S390_FLIC_COMMON) +#define S390_FLIC_COMMON_GET_CLASS(obj) \ + OBJECT_GET_CLASS(S390FLICStateClass, (obj), TYPE_S390_FLIC_COMMON) + +typedef struct S390FLICStateClass { + DeviceClass parent_class; + + int (*register_io_adapter)(S390FLICState *fs, uint32_t id, uint8_t isc, + bool swap, bool maskable); + int (*io_adapter_map)(S390FLICState *fs, uint32_t id, uint64_t map_addr, + bool do_map); + int (*add_adapter_routes)(S390FLICState *fs, AdapterRoutes *routes); + void (*release_adapter_routes)(S390FLICState *fs, AdapterRoutes *routes); +} S390FLICStateClass; + +#define TYPE_KVM_S390_FLIC "s390-flic-kvm" +#define KVM_S390_FLIC(obj) \ + OBJECT_CHECK(KVMS390FLICState, (obj), TYPE_KVM_S390_FLIC) + +#define TYPE_QEMU_S390_FLIC "s390-flic-qemu" +#define QEMU_S390_FLIC(obj) \ + OBJECT_CHECK(QEMUS390FLICState, (obj), TYPE_QEMU_S390_FLIC) + +typedef struct QEMUS390FLICState { + S390FLICState parent_obj; +} QEMUS390FLICState; + +void s390_flic_init(void); + +S390FLICState *s390_get_flic(void); + +#ifdef CONFIG_KVM +DeviceState *s390_flic_kvm_create(void); +#else +static inline DeviceState *s390_flic_kvm_create(void) +{ + return NULL; +} +#endif + +#endif /* __HW_S390_FLIC_H */ diff --git a/qemu/include/hw/s390x/sclp.h b/qemu/include/hw/s390x/sclp.h new file mode 100644 index 000000000..e8a64e25b --- /dev/null +++ b/qemu/include/hw/s390x/sclp.h @@ -0,0 +1,195 @@ +/* + * SCLP Support + * + * Copyright IBM, Corp. 2012 + * + * Authors: + * Christian Borntraeger <borntraeger@de.ibm.com> + * + * 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 HW_S390_SCLP_H +#define HW_S390_SCLP_H + +#include <hw/sysbus.h> +#include <hw/qdev.h> + +#define SCLP_CMD_CODE_MASK 0xffff00ff + +/* SCLP command codes */ +#define SCLP_CMDW_READ_SCP_INFO 0x00020001 +#define SCLP_CMDW_READ_SCP_INFO_FORCED 0x00120001 +#define SCLP_READ_STORAGE_ELEMENT_INFO 0x00040001 +#define SCLP_ATTACH_STORAGE_ELEMENT 0x00080001 +#define SCLP_ASSIGN_STORAGE 0x000D0001 +#define SCLP_UNASSIGN_STORAGE 0x000C0001 +#define SCLP_CMD_READ_EVENT_DATA 0x00770005 +#define SCLP_CMD_WRITE_EVENT_DATA 0x00760005 +#define SCLP_CMD_WRITE_EVENT_MASK 0x00780005 + +/* SCLP Memory hotplug codes */ +#define SCLP_FC_ASSIGN_ATTACH_READ_STOR 0xE00000000000ULL +#define SCLP_STARTING_SUBINCREMENT_ID 0x10001 +#define SCLP_INCREMENT_UNIT 0x10000 +#define MAX_AVAIL_SLOTS 32 +#define MAX_STORAGE_INCREMENTS 1020 + +/* CPU hotplug SCLP codes */ +#define SCLP_HAS_CPU_INFO 0x0C00000000000000ULL +#define SCLP_CMDW_READ_CPU_INFO 0x00010001 +#define SCLP_CMDW_CONFIGURE_CPU 0x00110001 +#define SCLP_CMDW_DECONFIGURE_CPU 0x00100001 + +/* SCLP PCI codes */ +#define SCLP_HAS_PCI_RECONFIG 0x0000000040000000ULL +#define SCLP_CMDW_CONFIGURE_PCI 0x001a0001 +#define SCLP_CMDW_DECONFIGURE_PCI 0x001b0001 +#define SCLP_RECONFIG_PCI_ATPYE 2 + +/* SCLP response codes */ +#define SCLP_RC_NORMAL_READ_COMPLETION 0x0010 +#define SCLP_RC_NORMAL_COMPLETION 0x0020 +#define SCLP_RC_SCCB_BOUNDARY_VIOLATION 0x0100 +#define SCLP_RC_NO_ACTION_REQUIRED 0x0120 +#define SCLP_RC_INVALID_SCLP_COMMAND 0x01f0 +#define SCLP_RC_CONTAINED_EQUIPMENT_CHECK 0x0340 +#define SCLP_RC_INSUFFICIENT_SCCB_LENGTH 0x0300 +#define SCLP_RC_STANDBY_READ_COMPLETION 0x0410 +#define SCLP_RC_ADAPTER_ID_NOT_RECOGNIZED 0x09f0 +#define SCLP_RC_INVALID_FUNCTION 0x40f0 +#define SCLP_RC_NO_EVENT_BUFFERS_STORED 0x60f0 +#define SCLP_RC_INVALID_SELECTION_MASK 0x70f0 +#define SCLP_RC_INCONSISTENT_LENGTHS 0x72f0 +#define SCLP_RC_EVENT_BUFFER_SYNTAX_ERROR 0x73f0 +#define SCLP_RC_INVALID_MASK_LENGTH 0x74f0 + + +/* Service Call Control Block (SCCB) and its elements */ + +#define SCCB_SIZE 4096 + +#define SCLP_VARIABLE_LENGTH_RESPONSE 0x80 +#define SCLP_EVENT_BUFFER_ACCEPTED 0x80 + +#define SCLP_FC_NORMAL_WRITE 0 + +/* + * Normally packed structures are not the right thing to do, since all code + * must take care of endianness. We cannot use ldl_phys and friends for two + * reasons, though: + * - some of the embedded structures below the SCCB can appear multiple times + * at different locations, so there is no fixed offset + * - we work on a private copy of the SCCB, since there are several length + * fields, that would cause a security nightmare if we allow the guest to + * alter the structure while we parse it. We cannot use ldl_p and friends + * either without doing pointer arithmetics + * So we have to double check that all users of sclp data structures use the + * right endianness wrappers. + */ +typedef struct SCCBHeader { + uint16_t length; + uint8_t function_code; + uint8_t control_mask[3]; + uint16_t response_code; +} QEMU_PACKED SCCBHeader; + +#define SCCB_DATA_LEN (SCCB_SIZE - sizeof(SCCBHeader)) + +/* CPU information */ +typedef struct CPUEntry { + uint8_t address; + uint8_t reserved0[13]; + uint8_t type; + uint8_t reserved1; +} QEMU_PACKED CPUEntry; + +typedef struct ReadInfo { + SCCBHeader h; + uint16_t rnmax; + uint8_t rnsize; + uint8_t _reserved1[16 - 11]; /* 11-15 */ + uint16_t entries_cpu; /* 16-17 */ + uint16_t offset_cpu; /* 18-19 */ + uint8_t _reserved2[24 - 20]; /* 20-23 */ + uint8_t loadparm[8]; /* 24-31 */ + uint8_t _reserved3[48 - 32]; /* 32-47 */ + uint64_t facilities; /* 48-55 */ + uint8_t _reserved0[100 - 56]; + uint32_t rnsize2; + uint64_t rnmax2; + uint8_t _reserved4[120-112]; /* 112-119 */ + uint16_t highest_cpu; + uint8_t _reserved5[128 - 122]; /* 122-127 */ + struct CPUEntry entries[0]; +} QEMU_PACKED ReadInfo; + +typedef struct ReadCpuInfo { + SCCBHeader h; + uint16_t nr_configured; /* 8-9 */ + uint16_t offset_configured; /* 10-11 */ + uint16_t nr_standby; /* 12-13 */ + uint16_t offset_standby; /* 14-15 */ + uint8_t reserved0[24-16]; /* 16-23 */ + struct CPUEntry entries[0]; +} QEMU_PACKED ReadCpuInfo; + +typedef struct ReadStorageElementInfo { + SCCBHeader h; + uint16_t max_id; + uint16_t assigned; + uint16_t standby; + uint8_t _reserved0[16 - 14]; /* 14-15 */ + uint32_t entries[0]; +} QEMU_PACKED ReadStorageElementInfo; + +typedef struct AttachStorageElement { + SCCBHeader h; + uint8_t _reserved0[10 - 8]; /* 8-9 */ + uint16_t assigned; + uint8_t _reserved1[16 - 12]; /* 12-15 */ + uint32_t entries[0]; +} QEMU_PACKED AttachStorageElement; + +typedef struct AssignStorage { + SCCBHeader h; + uint16_t rn; +} QEMU_PACKED AssignStorage; + +typedef struct SCCB { + SCCBHeader h; + char data[SCCB_DATA_LEN]; + } QEMU_PACKED SCCB; + +typedef struct sclpMemoryHotplugDev sclpMemoryHotplugDev; + +#define TYPE_SCLP_MEMORY_HOTPLUG_DEV "sclp-memory-hotplug-dev" +#define SCLP_MEMORY_HOTPLUG_DEV(obj) \ + OBJECT_CHECK(sclpMemoryHotplugDev, (obj), TYPE_SCLP_MEMORY_HOTPLUG_DEV) + +struct sclpMemoryHotplugDev { + SysBusDevice parent; + ram_addr_t standby_mem_size; + ram_addr_t padded_ram_size; + ram_addr_t pad_size; + ram_addr_t standby_subregion_size; + ram_addr_t rzm; + int increment_size; + char *standby_state_map; +}; + +static inline int sccb_data_len(SCCB *sccb) +{ + return be16_to_cpu(sccb->h.length) - sizeof(sccb->h); +} + + +void s390_sclp_init(void); +sclpMemoryHotplugDev *init_sclp_memory_hotplug_dev(void); +sclpMemoryHotplugDev *get_sclp_memory_hotplug_dev(void); +void sclp_service_interrupt(uint32_t sccb); +void raise_irq_cpu_hotplug(void); + +#endif |