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/qemu/util/
H A Dfifo8.c21 fifo->num = 0; in fifo8_reset()
22 fifo->head = 0; in fifo8_reset()
27 fifo->data = g_new(uint8_t, capacity); in fifo8_create()
28 fifo->capacity = capacity; in fifo8_create()
34 g_free(fifo->data); in fifo8_destroy()
39 assert(fifo->num < fifo->capacity); in fifo8_push()
40 fifo->data[(fifo->head + fifo->num) % fifo->capacity] = data; in fifo8_push()
41 fifo->num++; in fifo8_push()
48 assert(fifo->num + num <= fifo->capacity); in fifo8_push_all()
50 start = (fifo->head + fifo->num) % fifo->capacity; in fifo8_push_all()
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H A Dbuffer.c22 #include "qemu/host-utils.h"
34 static size_t buffer_req_size(Buffer *buffer, size_t len) in buffer_req_size() argument
36 return MAX(BUFFER_MIN_INIT_SIZE, in buffer_req_size()
37 pow2ceil(buffer->offset + len)); in buffer_req_size()
40 static void buffer_adj_size(Buffer *buffer, size_t len) in buffer_adj_size() argument
42 size_t old = buffer->capacity; in buffer_adj_size()
43 buffer->capacity = buffer_req_size(buffer, len); in buffer_adj_size()
44 buffer->buffer = g_realloc(buffer->buffer, buffer->capacity); in buffer_adj_size()
45 trace_buffer_resize(buffer->name ?: "unnamed", in buffer_adj_size()
46 old, buffer->capacity); in buffer_adj_size()
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/qemu/tests/qemu-iotests/
H A D257.out4 --- Preparing image & VM ---
6 {"execute": "blockdev-add", "arguments": {"driver": "qcow2", "file": {"driver": "file", "filename":…
9 --- Write #0 ---
11 write -P0x49 0x0000000 0x10000
13 write -P0x6c 0x0100000 0x10000
15 write -P0x6f 0x2000000 0x10000
17 write -P0x76 0x3ff0000 0x10000
23 --- Reference Backup #0 ---
26 {"execute": "job-dismiss", "arguments": {"id": "bdc-file-job"}}
30 {"execute": "job-dismiss", "arguments": {"id": "bdc-fmt-job"}}
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H A D258.out5 {"execute": "object-add", "arguments": {"id": "tg", "limits": {"iops-write": 1, "iops-write-max": 1…
7 …-add", "arguments": {"backing": {"backing": {"backing": {"backing": {"driver": "raw", "file": {"dr…
9 …k-commit", "arguments": {"auto-finalize": false, "base-node": "node0", "device": "node4", "filter-…
11 {"execute": "block-stream", "arguments": {"base-node": "commit-filter", "device": "node3", "job-id"…
13 {"execute": "job-finalize", "arguments": {"id": "commit"}}
16 {"data": {"device": "commit", "len": 67108864, "offset": 67108864, "speed": 0, "type": "commit"}, "…
17 {"data": {"device": "stream", "len": 67108864, "offset": 67108864, "speed": 0, "type": "stream"}, "…
21 {"execute": "object-add", "arguments": {"id": "tg", "limits": {"iops-write": 1, "iops-write-max": 1…
23 …-add", "arguments": {"backing": {"backing": {"backing": {"backing": {"driver": "raw", "file": {"dr…
25 …k-commit", "arguments": {"auto-finalize": false, "base-node": "node0", "device": "node4", "filter-…
[all …]
/qemu/tests/bench/
H A Dbufferiszero-bench.c6 * top-level directory.
14 size_t max = 64 * KiB; in test() local
15 void *buf = g_malloc0(max); in test()
22 for (size_t len = 1 * KiB; len <= max; len *= 4) { in test() local
27 buffer_is_zero_ge256(buf, len); in test()
28 total += len; in test()
33 accel_index, len / (size_t)KiB, in test()
/qemu/include/user/
H A Dpage-protection.h6 * SPDX-License-Identifier: LGPL-2.1+
16 #include "exec/translation-block.h"
40 * @len: length of range
43 * Return true if every page in [@start, @start+@len) has @flags set.
64 * @max: last byte of search range
65 * @len: size of the hole required
68 * If there is a range [x, x+@len) within [@min, @max] such that
69 * x % @align == 0, then return x. Otherwise return -1.
73 vaddr page_find_range_empty(vaddr min, vaddr max, vaddr len, vaddr align);
78 * @size: per-page size
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/qemu/hw/virtio/
H A Dvirtio.c10 * the COPYING file in the top-level directory.
16 #include "qapi/qapi-commands-virtio.h"
18 #include "qemu/defer-call.h"
19 #include "qemu/error-report.h"
21 #include "qemu/main-loop.h"
28 #include "migration/qemu-file-types.h"
30 #include "hw/virtio/virtio-bus.h"
31 #include "hw/qdev-properties.h"
32 #include "hw/virtio/virtio-access.h"
35 #include "virtio-qmp.h"
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/qemu/tests/qtest/
H A Dvirtio-net-test.c7 * See the COPYING file in the top-level directory.
11 #include "libqtest-single.h"
15 #include "hw/virtio/virtio-net.h"
17 #include "libqos/virtio-net.h"
40 int len = htonl(sizeof(test)); in rx_test() local
43 .iov_base = &len, in rx_test()
44 .iov_len = sizeof(len), in rx_test()
57 ret = iov_send(socket, iov, 2, 0, sizeof(len) + sizeof(test)); in rx_test()
58 g_assert_cmpint(ret, ==, sizeof(test) + sizeof(len)); in rx_test()
75 uint32_t len; in tx_test() local
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H A Dboot-sector.c11 * See the COPYING file in the top-level directory.
14 #include "boot-sector.h"
58 /* 7c0e: jmp 0x7c07=0x7c0f-3 */
60 [0x0e] = LOW(-3),
74 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40 /* in the s390-ccw bios */
91 size_t len; in boot_sector_init() local
103 len = MAX(0x7e000, sizeof(x86_boot_sector)); in boot_sector_init()
104 boot_code = g_malloc0(len); in boot_sector_init()
111 len = strlen(boot_code); in boot_sector_init()
113 len = 0x10000 + sizeof(s390x_code); in boot_sector_init()
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/qemu/scripts/
H A Danalyse-locks-simpletrace.py2 # -*- coding: utf-8 -*-
46 acquire_time = rec["locked_time"] - rec["lock_time"]
54 held_time = timestamp[0] - rec["locked_time"]
62 parser.add_argument("--output", "-o", type=str, help="Render plot to file")
84 if len(acquire_times) > 0:
85 print (" Acquire Time: min:%d median:%d avg:%.2f max:%d" %
87 acquire_times.mean(), acquire_times.max()))
90 if len(held_times) > 0:
91 print (" Held Time: min:%d median:%d avg:%.2f max:%d" %
93 held_times.mean(), held_times.max()))
/qemu/tests/image-fuzzer/qcow2/
H A Dlayout.py80 return len(self.data)
159 free_space = self.cluster_size - self.ext_offset - \
165 (free_space >= len(backing_file_name)):
166 self.header['backing_file_size'][0].value = len(backing_file_name)
168 self.cluster_size - len(backing_file_name)
176 data_len = len(backing_file_name)
189 (self.cluster_size - 1)) - \
191 free_space = high_border - self.ext_offset
192 ext_size = 2 * UINT32_S + ((len(backing_file_fmt) + 7) & ~7)
195 ext_data_len = len(backing_file_fmt)
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/qemu/scripts/simplebench/
H A Dbench-backup.py3 # Bench backup block-job
31 cmd_options = env['cmd-options'] if 'cmd-options' in env else {}
32 return bench_block_copy(env['qemu-binary'], env['cmd'],
47 port = '10809' if len(nbd) == 1 else nbd[1]
57 raise ValueError("'nbd' label used but --nbd is not given")
62 source = drv_qcow2(drv_file(dirs[src] + '/test-source.qcow2'))
64 source = drv_file(dirs[src] + '/test-source')
77 fname = dirs[dst] + '/test-target'
94 if len(name_path) == 1:
98 assert len(name_path) == 2 # paths with colon not supported
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/qemu/backends/tpm/
H A Dtrace-events8 tpm_util_get_buffer_size_hdr_len(uint32_t len, size_t expected) "tpm_resp->hdr.len = %u, expected =…
9 tpm_util_get_buffer_size_len(uint32_t len, size_t expected) "tpm_resp->len = %u, expected = %zu"
10 tpm_util_get_buffer_size_hdr_len2(uint32_t len, size_t expected) "tpm2_resp->hdr.len = %u, expected…
11 tpm_util_get_buffer_size_len2(uint32_t len, size_t expected) "tpm2_resp->len = %u, expected = %zu"
12 tpm_util_get_buffer_size(size_t len) "buffersize of device: %zu"
13 tpm_util_show_buffer_header(const char *direction, size_t len) "direction: %s len: %zu"
20 …r_size(uint32_t buffersize, uint32_t minsize, uint32_t maxsize) "buffer size: %u, min: %u, max: %u"
/qemu/pc-bios/s390-ccw/
H A Dsclp.c7 * your option) any later version. See the COPYING file in the top-level
12 #include "s390-ccw.h"
15 long write(int fd, const void *str, size_t len);
24 "-/.........,%_>?.........`:#@'=\""/* 7F */
30 /* Perform service call. Return 0 on success, non-zero otherwise. */
43 return -EIO; in sclp_service_call()
45 return -EBUSY; in sclp_service_call()
53 sccb->h.length = sizeof(WriteEventMask); in sclp_set_write_mask()
54 sccb->mask_length = sizeof(unsigned int); in sclp_set_write_mask()
55 sccb->cp_receive_mask = receive_mask; in sclp_set_write_mask()
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/qemu/hw/char/
H A Dspapr_vty.c2 #include "qemu/error-report.h"
6 #include "chardev/char-fe.h"
9 #include "hw/qdev-properties.h"
10 #include "hw/qdev-properties-system.h"
22 #define TYPE_VIO_SPAPR_VTY_DEVICE "spapr-vty"
29 return VTERM_BUFSIZE - (dev->in - dev->out); in OBJECT_DECLARE_SIMPLE_TYPE()
37 if ((dev->in == dev->out) && size) { in vty_receive()
39 spapr_vio_irq_pulse(&dev->sdev); in vty_receive()
42 if (dev->in - dev->out >= VTERM_BUFSIZE) { in vty_receive()
45 error_report("VTY input buffer exhausted - characters dropped." in vty_receive()
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H A Dxen_console.c29 #include "chardev/char-fe.h"
30 #include "hw/xen/xen-backend.h"
31 #include "hw/xen/xen-bus-helper.h"
32 #include "hw/qdev-properties.h"
33 #include "hw/qdev-properties-system.h"
61 #define TYPE_XEN_CONSOLE_DEVICE "xen-console"
66 struct buffer *buffer = &con->buffer; in OBJECT_DECLARE_SIMPLE_TYPE()
68 struct xencons_interface *intf = con->sring; in OBJECT_DECLARE_SIMPLE_TYPE()
70 cons = intf->out_cons; in OBJECT_DECLARE_SIMPLE_TYPE()
71 prod = intf->out_prod; in OBJECT_DECLARE_SIMPLE_TYPE()
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/qemu/block/
H A Dbackup.c11 * See the COPYING file in the top-level directory.
22 #include "block/block-copy.h"
23 #include "block/dirty-bitmap.h"
26 #include "system/block-backend.h"
28 #include "qemu/error-report.h"
30 #include "block/copy-before-write.h"
44 uint64_t len; member
59 bool sync = (((ret == 0) || (job->bitmap_mode == BITMAP_SYNC_MODE_ALWAYS)) \ in backup_cleanup_sync_bitmap()
60 && (job->bitmap_mode != BITMAP_SYNC_MODE_NEVER)); in backup_cleanup_sync_bitmap()
67 bm = bdrv_dirty_bitmap_abdicate(job->sync_bitmap, NULL); in backup_cleanup_sync_bitmap()
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/qemu/hw/scsi/
H A Dtrace-events3 # scsi-bus.c
6 scsi_req_data(int target, int lun, int tag, int len) "target %d lun %d tag %d len %d"
7 scsi_req_data_canceled(int target, int lun, int tag, int len) "target %d lun %d tag %d len %d"
34 mptsas_process_scsi_io_request(void *dev, int bus, int target, int lun, uint64_t len) "dev %p dev %…
47 …len, uint32_t head, uint32_t tail, uint32_t flags) "queue at 0x%" PRIx64 " len %d head 0x%" PRIx32…
50 megasas_initq_mismatch(int queue_len, int fw_cmds) "queue size %d max fw cmds %d"
63 …cdb_len(const char *frame, int bus, int dev, int lun, int len) "%s dev %x/%x/%x invalid cdb len %d"
64 megasas_iov_read_overflow(int cmd, int bytes, int len) "scmd %d: %d/%d bytes"
65 megasas_iov_write_overflow(int cmd, int bytes, int len) "scmd %d: %d/%d bytes"
66 megasas_iov_read_underflow(int cmd, int bytes, int len) "scmd %d: %d/%d bytes"
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/qemu/bsd-user/netbsd/
H A Dtarget_os_elf.h25 #include "user/tswap-target.h"
52 /* max code+data+bss space allocated to elf interpreter */
55 /* max code+data+bss+brk space allocated to ET_DYN executables */
61 ~(unsigned long)(TARGET_ELF_EXEC_PAGESIZE - 1))
62 #define TARGET_ELF_PAGEOFFSET(_v) ((_v) & (TARGET_ELF_EXEC_PAGESIZE - 1))
84 size_t len = strlen(k_platform) + 1; in target_create_elf_tables() local
85 sp -= (len + n - 1) & ~(n - 1); in target_create_elf_tables()
87 /* FIXME - check return value of memcpy_to_target() for failure */ in target_create_elf_tables()
88 memcpy_to_target(sp, k_platform, len); in target_create_elf_tables()
105 sp -= 16 - (size & 15); in target_create_elf_tables()
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/qemu/bsd-user/openbsd/
H A Dtarget_os_elf.h25 #include "user/tswap-target.h"
52 /* max code+data+bss space allocated to elf interpreter */
55 /* max code+data+bss+brk space allocated to ET_DYN executables */
61 ~(unsigned long)(TARGET_ELF_EXEC_PAGESIZE - 1))
62 #define TARGET_ELF_PAGEOFFSET(_v) ((_v) & (TARGET_ELF_EXEC_PAGESIZE - 1))
84 size_t len = strlen(k_platform) + 1; in target_create_elf_tables() local
85 sp -= (len + n - 1) & ~(n - 1); in target_create_elf_tables()
87 /* FIXME - check return value of memcpy_to_target() for failure */ in target_create_elf_tables()
88 memcpy_to_target(sp, k_platform, len); in target_create_elf_tables()
105 sp -= 16 - (size & 15); in target_create_elf_tables()
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/qemu/hw/smbios/
H A Dsmbios_build.h4 * Copyright (C) 2009 Hewlett-Packard Development Company, L.P.
13 * the COPYING file in the top-level directory.
15 * Contributions after 2012-01-13 are licensed under the terms of the
51 t->header.type = tbl_type; \
52 t->header.length = tbl_len; \
53 t->header.handle = cpu_to_le16(tbl_handle); \
58 int len = (value != NULL) ? strlen(value) + 1 : 0; \
59 if (len > 1) { \
61 smbios_tables_len + len); \
62 memcpy(smbios_tables + smbios_tables_len, value, len); \
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/qemu/hw/tpm/
H A Dtpm_spapr.c12 * COPYING file in the top-level directory.
17 #include "qemu/error-report.h"
19 #include "hw/qdev-properties.h"
39 /* 0x81-0x83: CRQ message response */
41 uint16_t len; /* len of TPM request; len of TPM response */ member
96 tpm_util_show_buffer(s->buffer, s->be_buffer_size, "To TPM"); in tpm_spapr_tpm_send()
98 s->state = SPAPR_VTPM_STATE_EXECUTION; in tpm_spapr_tpm_send()
99 s->cmd = (TPMBackendCmd) { in tpm_spapr_tpm_send()
101 .in = s->buffer, in tpm_spapr_tpm_send()
102 .in_len = MIN(tpm_cmd_get_size(s->buffer), s->be_buffer_size), in tpm_spapr_tpm_send()
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/qemu/hw/acpi/
H A Dghes.c25 #include "hw/acpi/aml-build.h"
26 #include "qemu/error-report.h"
34 /* The max size in bytes for one error block */
46 * Table 18-343 Generic Error Data Entry
59 * Table 18-380 Generic Error Status Block
190 * Table 17-13 Generic Error Data Entry in ghes_gen_err_data_uncorrectable_recoverable()
224 * (GHESv2 - Type 10) in build_ghes_error_table()
230 error_status_block_offset = hardware_errors->len; in build_ghes_error_table()
273 * Generic Hardware Error Source version 2(GHESv2 - Type 10) in build_ghes_v2()
285 /* Number of Records To Pre-allocate */ in build_ghes_v2()
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/qemu/subprojects/libvduse/
H A Dlibvduse.c5 * Portions of codes and concepts borrowed from libvhost-user.c, so:
12 * Marc-André Lureau <mlureau@redhat.com>
16 * later. See the COPYING file in the top-level directory.
41 #include "linux-headers/linux/virtio_ring.h"
42 #include "linux-headers/linux/virtio_config.h"
43 #include "linux-headers/linux/vduse.h"
55 #define ALIGN_UP(n, m) ALIGN_DOWN((n) + (m) - 1, (m))
150 if (fd == -1) { in vduse_log_get()
154 if (ftruncate(fd, size) == -1) { in vduse_log_get()
173 return has_feature(dev->features, fbit); in vduse_dev_has_feature()
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/qemu/subprojects/libvhost-user/
H A Dlibvhost-user.c9 * Marc-André Lureau <mlureau@redhat.com>
13 * later. See the COPYING file in the top-level directory.
39 #include "standard-headers/linux/virtio_config.h"
57 #include "libvhost-user.h"
83 #define ALIGN_UP(n, m) ALIGN_DOWN((n) + (m) - 1, (m))
117 return has_feature(dev->features, fbit); in vu_has_feature()
122 return has_feature(dev->protocol_features, fbit); in vu_has_protocol_feature()
190 dev->broken = true; in vu_panic()
191 dev->panic(dev, buf); in vu_panic()
205 int high = dev->nregions - 1; in vu_gpa_to_mem_region()
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