diff options
Diffstat (limited to 'hw/s390x')
-rw-r--r-- | hw/s390x/Makefile.objs | 2 | ||||
-rw-r--r-- | hw/s390x/event-facility.h | 96 | ||||
-rw-r--r-- | hw/s390x/s390-virtio-bus.c | 10 | ||||
-rw-r--r-- | hw/s390x/s390-virtio-bus.h | 12 | ||||
-rw-r--r-- | hw/s390x/s390-virtio.c | 2 | ||||
-rw-r--r-- | hw/s390x/sclp.h | 118 | ||||
-rw-r--r-- | hw/s390x/sclpconsole.c | 305 | ||||
-rw-r--r-- | hw/s390x/virtio-ccw.c | 8 | ||||
-rw-r--r-- | hw/s390x/virtio-ccw.h | 14 |
9 files changed, 24 insertions, 543 deletions
diff --git a/hw/s390x/Makefile.objs b/hw/s390x/Makefile.objs index 9f2f41989c..77e1218447 100644 --- a/hw/s390x/Makefile.objs +++ b/hw/s390x/Makefile.objs @@ -2,7 +2,7 @@ obj-y = s390-virtio-bus.o s390-virtio.o obj-y += s390-virtio-hcall.o obj-y += sclp.o obj-y += event-facility.o -obj-y += sclpquiesce.o sclpconsole.o +obj-y += sclpquiesce.o obj-y += ipl.o obj-y += css.o obj-y += s390-virtio-ccw.o diff --git a/hw/s390x/event-facility.h b/hw/s390x/event-facility.h deleted file mode 100644 index 791ab2a6de..0000000000 --- a/hw/s390x/event-facility.h +++ /dev/null @@ -1,96 +0,0 @@ -/* - * 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" - -/* SCLP event types */ -#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_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) - -typedef struct WriteEventMask { - SCCBHeader h; - uint16_t _reserved; - uint16_t mask_length; - uint32_t cp_receive_mask; - uint32_t cp_send_mask; - uint32_t send_mask; - uint32_t receive_mask; -} QEMU_PACKED WriteEventMask; - -typedef struct EventBufferHeader { - uint16_t length; - uint8_t type; - uint8_t flags; - uint16_t _reserved; -} QEMU_PACKED EventBufferHeader; - -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; - uint32_t event_type; - 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); - - /* returns the supported event type */ - int (*event_type)(void); - -} SCLPEventClass; - -#endif diff --git a/hw/s390x/s390-virtio-bus.c b/hw/s390x/s390-virtio-bus.c index 8c529c14d0..ddf15a21d3 100644 --- a/hw/s390x/s390-virtio-bus.c +++ b/hw/s390x/s390-virtio-bus.c @@ -24,15 +24,15 @@ #include "monitor/monitor.h" #include "hw/loader.h" #include "elf.h" -#include "hw/virtio.h" -#include "hw/virtio-rng.h" -#include "hw/virtio-serial.h" -#include "hw/virtio-net.h" +#include "hw/virtio/virtio.h" +#include "hw/virtio/virtio-rng.h" +#include "hw/virtio/virtio-serial.h" +#include "hw/virtio/virtio-net.h" #include "hw/sysbus.h" #include "sysemu/kvm.h" #include "hw/s390x/s390-virtio-bus.h" -#include "hw/virtio-bus.h" +#include "hw/virtio/virtio-bus.h" /* #define DEBUG_S390 */ diff --git a/hw/s390x/s390-virtio-bus.h b/hw/s390x/s390-virtio-bus.h index ebe8794204..c557132166 100644 --- a/hw/s390x/s390-virtio-bus.h +++ b/hw/s390x/s390-virtio-bus.h @@ -19,12 +19,12 @@ #ifndef HW_S390_VIRTIO_BUS_H #define HW_S390_VIRTIO_BUS_H 1 -#include "hw/virtio-blk.h" -#include "hw/virtio-net.h" -#include "hw/virtio-rng.h" -#include "hw/virtio-serial.h" -#include "hw/virtio-scsi.h" -#include "hw/virtio-bus.h" +#include "hw/virtio/virtio-blk.h" +#include "hw/virtio/virtio-net.h" +#include "hw/virtio/virtio-rng.h" +#include "hw/virtio/virtio-serial.h" +#include "hw/virtio/virtio-scsi.h" +#include "hw/virtio/virtio-bus.h" #define VIRTIO_DEV_OFFS_TYPE 0 /* 8 bits */ #define VIRTIO_DEV_OFFS_NUM_VQ 1 /* 8 bits */ diff --git a/hw/s390x/s390-virtio.c b/hw/s390x/s390-virtio.c index ca275bd9d7..f82c0e1964 100644 --- a/hw/s390x/s390-virtio.c +++ b/hw/s390x/s390-virtio.c @@ -29,7 +29,7 @@ #include "hw/boards.h" #include "monitor/monitor.h" #include "hw/loader.h" -#include "hw/virtio.h" +#include "hw/virtio/virtio.h" #include "hw/sysbus.h" #include "sysemu/kvm.h" #include "exec/address-spaces.h" diff --git a/hw/s390x/sclp.h b/hw/s390x/sclp.h deleted file mode 100644 index 231a38aa09..0000000000 --- a/hw/s390x/sclp.h +++ /dev/null @@ -1,118 +0,0 @@ -/* - * 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> - -/* SCLP command codes */ -#define SCLP_CMDW_READ_SCP_INFO 0x00020001 -#define SCLP_CMDW_READ_SCP_INFO_FORCED 0x00120001 -#define SCLP_CMD_READ_EVENT_DATA 0x00770005 -#define SCLP_CMD_WRITE_EVENT_DATA 0x00760005 -#define SCLP_CMD_READ_EVENT_DATA 0x00770005 -#define SCLP_CMD_WRITE_EVENT_DATA 0x00760005 -#define SCLP_CMD_WRITE_EVENT_MASK 0x00780005 - -/* SCLP response codes */ -#define SCLP_RC_NORMAL_READ_COMPLETION 0x0010 -#define SCLP_RC_NORMAL_COMPLETION 0x0020 -#define SCLP_RC_INVALID_SCLP_COMMAND 0x01f0 -#define SCLP_RC_CONTAINED_EQUIPMENT_CHECK 0x0340 -#define SCLP_RC_INSUFFICIENT_SCCB_LENGTH 0x0300 -#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)) - -typedef struct ReadInfo { - SCCBHeader h; - uint16_t rnmax; - uint8_t rnsize; -} QEMU_PACKED ReadInfo; - -typedef struct SCCB { - SCCBHeader h; - char data[SCCB_DATA_LEN]; - } QEMU_PACKED SCCB; - -static inline int sccb_data_len(SCCB *sccb) -{ - return be16_to_cpu(sccb->h.length) - sizeof(sccb->h); -} - -#define TYPE_DEVICE_S390_SCLP "s390-sclp-device" -#define SCLP_S390_DEVICE(obj) \ - OBJECT_CHECK(S390SCLPDevice, (obj), TYPE_DEVICE_S390_SCLP) -#define SCLP_S390_DEVICE_CLASS(klass) \ - OBJECT_CLASS_CHECK(S390SCLPDeviceClass, (klass), \ - TYPE_DEVICE_S390_SCLP) -#define SCLP_S390_DEVICE_GET_CLASS(obj) \ - OBJECT_GET_CLASS(S390SCLPDeviceClass, (obj), \ - TYPE_DEVICE_S390_SCLP) - -typedef struct SCLPEventFacility SCLPEventFacility; - -typedef struct S390SCLPDevice { - SysBusDevice busdev; - SCLPEventFacility *ef; - void (*sclp_command_handler)(SCLPEventFacility *ef, SCCB *sccb, - uint64_t code); - bool (*event_pending)(SCLPEventFacility *ef); -} S390SCLPDevice; - -typedef struct S390SCLPDeviceClass { - DeviceClass qdev; - int (*init)(S390SCLPDevice *sdev); -} S390SCLPDeviceClass; - -void s390_sclp_init(void); -void sclp_service_interrupt(uint32_t sccb); - -#endif diff --git a/hw/s390x/sclpconsole.c b/hw/s390x/sclpconsole.c deleted file mode 100644 index 5c881e5f3f..0000000000 --- a/hw/s390x/sclpconsole.c +++ /dev/null @@ -1,305 +0,0 @@ -/* - * SCLP event type - * Ascii Console Data (VT220 Console) - * - * 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. - * - */ - -#include <hw/qdev.h> -#include "qemu/thread.h" -#include "qemu/error-report.h" - -#include "hw/s390x/sclp.h" -#include "hw/s390x/event-facility.h" -#include "char/char.h" - -typedef struct ASCIIConsoleData { - EventBufferHeader ebh; - char data[0]; -} QEMU_PACKED ASCIIConsoleData; - -/* max size for ASCII data in 4K SCCB page */ -#define SIZE_BUFFER_VT220 4080 - -typedef struct SCLPConsole { - SCLPEvent event; - CharDriverState *chr; - /* io vector */ - uint8_t *iov; /* iov buffer pointer */ - uint8_t *iov_sclp; /* pointer to SCLP read offset */ - uint8_t *iov_bs; /* pointer byte stream read offset */ - uint32_t iov_data_len; /* length of byte stream in buffer */ - uint32_t iov_sclp_rest; /* length of byte stream not read via SCLP */ - qemu_irq irq_read_vt220; -} SCLPConsole; - -/* character layer call-back functions */ - -/* Return number of bytes that fit into iov buffer */ -static int chr_can_read(void *opaque) -{ - SCLPConsole *scon = opaque; - - return scon->iov ? SIZE_BUFFER_VT220 - scon->iov_data_len : 0; -} - -/* Receive n bytes from character layer, save in iov buffer, - * and set event pending */ -static void receive_from_chr_layer(SCLPConsole *scon, const uint8_t *buf, - int size) -{ - assert(scon->iov); - - /* read data must fit into current buffer */ - assert(size <= SIZE_BUFFER_VT220 - scon->iov_data_len); - - /* put byte-stream from character layer into buffer */ - memcpy(scon->iov_bs, buf, size); - scon->iov_data_len += size; - scon->iov_sclp_rest += size; - scon->iov_bs += size; - scon->event.event_pending = true; -} - -/* Send data from a char device over to the guest */ -static void chr_read(void *opaque, const uint8_t *buf, int size) -{ - SCLPConsole *scon = opaque; - - assert(scon); - - receive_from_chr_layer(scon, buf, size); - /* trigger SCLP read operation */ - qemu_irq_raise(scon->irq_read_vt220); -} - -static void chr_event(void *opaque, int event) -{ - SCLPConsole *scon = opaque; - - switch (event) { - case CHR_EVENT_OPENED: - if (!scon->iov) { - scon->iov = g_malloc0(SIZE_BUFFER_VT220); - scon->iov_sclp = scon->iov; - scon->iov_bs = scon->iov; - scon->iov_data_len = 0; - scon->iov_sclp_rest = 0; - } - break; - case CHR_EVENT_CLOSED: - if (scon->iov) { - g_free(scon->iov); - scon->iov = NULL; - } - break; - } -} - -/* functions to be called by event facility */ - -static int event_type(void) -{ - return SCLP_EVENT_ASCII_CONSOLE_DATA; -} - -static unsigned int send_mask(void) -{ - return SCLP_EVENT_MASK_MSG_ASCII; -} - -static unsigned int receive_mask(void) -{ - return SCLP_EVENT_MASK_MSG_ASCII; -} - -/* triggered by SCLP's read_event_data - - * copy console data byte-stream into provided (SCLP) buffer - */ -static void get_console_data(SCLPEvent *event, uint8_t *buf, size_t *size, - int avail) -{ - SCLPConsole *cons = DO_UPCAST(SCLPConsole, event, event); - - /* first byte is hex 0 saying an ascii string follows */ - *buf++ = '\0'; - avail--; - /* if all data fit into provided SCLP buffer */ - if (avail >= cons->iov_sclp_rest) { - /* copy character byte-stream to SCLP buffer */ - memcpy(buf, cons->iov_sclp, cons->iov_sclp_rest); - *size = cons->iov_sclp_rest + 1; - cons->iov_sclp = cons->iov; - cons->iov_bs = cons->iov; - cons->iov_data_len = 0; - cons->iov_sclp_rest = 0; - event->event_pending = false; - /* data provided and no more data pending */ - } else { - /* if provided buffer is too small, just copy part */ - memcpy(buf, cons->iov_sclp, avail); - *size = avail + 1; - cons->iov_sclp_rest -= avail; - cons->iov_sclp += avail; - /* more data pending */ - } -} - -static int read_event_data(SCLPEvent *event, EventBufferHeader *evt_buf_hdr, - int *slen) -{ - int avail; - size_t src_len; - uint8_t *to; - ASCIIConsoleData *acd = (ASCIIConsoleData *) evt_buf_hdr; - - if (!event->event_pending) { - /* no data pending */ - return 0; - } - - to = (uint8_t *)&acd->data; - avail = *slen - sizeof(ASCIIConsoleData); - get_console_data(event, to, &src_len, avail); - - acd->ebh.length = cpu_to_be16(sizeof(ASCIIConsoleData) + src_len); - acd->ebh.type = SCLP_EVENT_ASCII_CONSOLE_DATA; - acd->ebh.flags |= SCLP_EVENT_BUFFER_ACCEPTED; - *slen = avail - src_len; - - return 1; -} - -/* triggered by SCLP's write_event_data - * - write console data to character layer - * returns < 0 if an error occurred - */ -static ssize_t write_console_data(SCLPEvent *event, const uint8_t *buf, - size_t len) -{ - ssize_t ret = 0; - const uint8_t *iov_offset; - SCLPConsole *scon = DO_UPCAST(SCLPConsole, event, event); - - if (!scon->chr) { - /* If there's no backend, we can just say we consumed all data. */ - return len; - } - - iov_offset = buf; - while (len > 0) { - ret = qemu_chr_fe_write(scon->chr, buf, len); - if (ret == 0) { - /* a pty doesn't seem to be connected - no error */ - len = 0; - } else if (ret == -EAGAIN || (ret > 0 && ret < len)) { - len -= ret; - iov_offset += ret; - } else { - len = 0; - } - } - - return ret; -} - -static int write_event_data(SCLPEvent *event, EventBufferHeader *evt_buf_hdr) -{ - int rc; - int length; - ssize_t written; - ASCIIConsoleData *acd = (ASCIIConsoleData *) evt_buf_hdr; - - length = be16_to_cpu(evt_buf_hdr->length) - sizeof(EventBufferHeader); - written = write_console_data(event, (uint8_t *)acd->data, length); - - rc = SCLP_RC_NORMAL_COMPLETION; - /* set event buffer accepted flag */ - evt_buf_hdr->flags |= SCLP_EVENT_BUFFER_ACCEPTED; - - /* written will be zero if a pty is not connected - don't treat as error */ - if (written < 0) { - /* event buffer not accepted due to error in character layer */ - evt_buf_hdr->flags &= ~(SCLP_EVENT_BUFFER_ACCEPTED); - rc = SCLP_RC_CONTAINED_EQUIPMENT_CHECK; - } - - return rc; -} - -static void trigger_ascii_console_data(void *env, int n, int level) -{ - sclp_service_interrupt(0); -} - -/* qemu object creation and initialization functions */ - -/* tell character layer our call-back functions */ -static int console_init(SCLPEvent *event) -{ - static bool console_available; - - SCLPConsole *scon = DO_UPCAST(SCLPConsole, event, event); - - if (console_available) { - error_report("Multiple VT220 operator consoles are not supported"); - return -1; - } - console_available = true; - event->event_type = SCLP_EVENT_ASCII_CONSOLE_DATA; - if (scon->chr) { - qemu_chr_add_handlers(scon->chr, chr_can_read, - chr_read, chr_event, scon); - } - scon->irq_read_vt220 = *qemu_allocate_irqs(trigger_ascii_console_data, - NULL, 1); - - return 0; -} - -static int console_exit(SCLPEvent *event) -{ - return 0; -} - -static Property console_properties[] = { - DEFINE_PROP_CHR("chardev", SCLPConsole, chr), - DEFINE_PROP_END_OF_LIST(), -}; - -static void console_class_init(ObjectClass *klass, void *data) -{ - DeviceClass *dc = DEVICE_CLASS(klass); - SCLPEventClass *ec = SCLP_EVENT_CLASS(klass); - - dc->props = console_properties; - ec->init = console_init; - ec->exit = console_exit; - ec->get_send_mask = send_mask; - ec->get_receive_mask = receive_mask; - ec->event_type = event_type; - ec->read_event_data = read_event_data; - ec->write_event_data = write_event_data; -} - -static const TypeInfo sclp_console_info = { - .name = "sclpconsole", - .parent = TYPE_SCLP_EVENT, - .instance_size = sizeof(SCLPConsole), - .class_init = console_class_init, - .class_size = sizeof(SCLPEventClass), -}; - -static void register_types(void) -{ - type_register_static(&sclp_console_info); -} - -type_init(register_types) diff --git a/hw/s390x/virtio-ccw.c b/hw/s390x/virtio-ccw.c index 5dce791406..4dec0cd861 100644 --- a/hw/s390x/virtio-ccw.c +++ b/hw/s390x/virtio-ccw.c @@ -15,12 +15,12 @@ #include "sysemu/sysemu.h" #include "net/net.h" #include "monitor/monitor.h" -#include "hw/virtio.h" -#include "hw/virtio-serial.h" -#include "hw/virtio-net.h" +#include "hw/virtio/virtio.h" +#include "hw/virtio/virtio-serial.h" +#include "hw/virtio/virtio-net.h" #include "hw/sysbus.h" #include "qemu/bitops.h" -#include "hw/virtio-bus.h" +#include "hw/virtio/virtio-bus.h" #include "ioinst.h" #include "css.h" diff --git a/hw/s390x/virtio-ccw.h b/hw/s390x/virtio-ccw.h index d580510283..46e9a558af 100644 --- a/hw/s390x/virtio-ccw.h +++ b/hw/s390x/virtio-ccw.h @@ -12,13 +12,13 @@ #ifndef HW_S390X_VIRTIO_CCW_H #define HW_S390X_VIRTIO_CCW_H -#include <hw/virtio-blk.h> -#include <hw/virtio-net.h> -#include <hw/virtio-serial.h> -#include <hw/virtio-scsi.h> -#include "hw/virtio-balloon.h" -#include <hw/virtio-rng.h> -#include <hw/virtio-bus.h> +#include <hw/virtio/virtio-blk.h> +#include <hw/virtio/virtio-net.h> +#include <hw/virtio/virtio-serial.h> +#include <hw/virtio/virtio-scsi.h> +#include <hw/virtio/virtio-balloon.h> +#include <hw/virtio/virtio-rng.h> +#include <hw/virtio/virtio-bus.h> #define VIRTUAL_CSSID 0xfe |