This patch renames the compat properties into global properties and makes them more generic. The compatibility stuff is only one of multiple possible users now. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
625 lines
15 KiB
C
625 lines
15 KiB
C
#include "sysemu.h"
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#include "net.h"
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#include "qdev.h"
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void *qdev_get_prop_ptr(DeviceState *dev, Property *prop)
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{
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void *ptr = dev;
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ptr += prop->offset;
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return ptr;
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}
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/* --- 8bit integer --- */
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static int parse_uint8(DeviceState *dev, Property *prop, const char *str)
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{
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uint8_t *ptr = qdev_get_prop_ptr(dev, prop);
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const char *fmt;
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/* accept both hex and decimal */
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fmt = strncasecmp(str, "0x",2) == 0 ? "%" PRIx8 : "%" PRIu8;
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if (sscanf(str, fmt, ptr) != 1)
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return -1;
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return 0;
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}
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static int print_uint8(DeviceState *dev, Property *prop, char *dest, size_t len)
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{
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uint8_t *ptr = qdev_get_prop_ptr(dev, prop);
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return snprintf(dest, len, "%" PRIu8, *ptr);
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}
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PropertyInfo qdev_prop_uint8 = {
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.name = "uint8",
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.type = PROP_TYPE_UINT8,
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.size = sizeof(uint8_t),
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.parse = parse_uint8,
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.print = print_uint8,
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};
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/* --- 16bit integer --- */
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static int parse_uint16(DeviceState *dev, Property *prop, const char *str)
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{
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uint16_t *ptr = qdev_get_prop_ptr(dev, prop);
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const char *fmt;
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/* accept both hex and decimal */
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fmt = strncasecmp(str, "0x",2) == 0 ? "%" PRIx16 : "%" PRIu16;
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if (sscanf(str, fmt, ptr) != 1)
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return -1;
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return 0;
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}
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static int print_uint16(DeviceState *dev, Property *prop, char *dest, size_t len)
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{
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uint16_t *ptr = qdev_get_prop_ptr(dev, prop);
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return snprintf(dest, len, "%" PRIu16, *ptr);
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}
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PropertyInfo qdev_prop_uint16 = {
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.name = "uint16",
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.type = PROP_TYPE_UINT16,
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.size = sizeof(uint16_t),
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.parse = parse_uint16,
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.print = print_uint16,
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};
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/* --- 32bit integer --- */
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static int parse_uint32(DeviceState *dev, Property *prop, const char *str)
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{
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uint32_t *ptr = qdev_get_prop_ptr(dev, prop);
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const char *fmt;
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/* accept both hex and decimal */
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fmt = strncasecmp(str, "0x",2) == 0 ? "%" PRIx32 : "%" PRIu32;
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if (sscanf(str, fmt, ptr) != 1)
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return -1;
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return 0;
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}
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static int print_uint32(DeviceState *dev, Property *prop, char *dest, size_t len)
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{
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uint32_t *ptr = qdev_get_prop_ptr(dev, prop);
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return snprintf(dest, len, "%" PRIu32, *ptr);
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}
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PropertyInfo qdev_prop_uint32 = {
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.name = "uint32",
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.type = PROP_TYPE_UINT32,
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.size = sizeof(uint32_t),
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.parse = parse_uint32,
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.print = print_uint32,
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};
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static int parse_int32(DeviceState *dev, Property *prop, const char *str)
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{
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int32_t *ptr = qdev_get_prop_ptr(dev, prop);
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if (sscanf(str, "%" PRId32, ptr) != 1)
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return -1;
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return 0;
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}
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static int print_int32(DeviceState *dev, Property *prop, char *dest, size_t len)
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{
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int32_t *ptr = qdev_get_prop_ptr(dev, prop);
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return snprintf(dest, len, "%" PRId32, *ptr);
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}
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PropertyInfo qdev_prop_int32 = {
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.name = "int32",
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.type = PROP_TYPE_INT32,
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.size = sizeof(int32_t),
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.parse = parse_int32,
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.print = print_int32,
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};
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/* --- 32bit hex value --- */
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static int parse_hex32(DeviceState *dev, Property *prop, const char *str)
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{
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uint32_t *ptr = qdev_get_prop_ptr(dev, prop);
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if (sscanf(str, "%" PRIx32, ptr) != 1)
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return -1;
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return 0;
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}
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static int print_hex32(DeviceState *dev, Property *prop, char *dest, size_t len)
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{
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uint32_t *ptr = qdev_get_prop_ptr(dev, prop);
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return snprintf(dest, len, "0x%" PRIx32, *ptr);
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}
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PropertyInfo qdev_prop_hex32 = {
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.name = "hex32",
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.type = PROP_TYPE_UINT32,
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.size = sizeof(uint32_t),
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.parse = parse_hex32,
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.print = print_hex32,
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};
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/* --- 64bit integer --- */
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static int parse_uint64(DeviceState *dev, Property *prop, const char *str)
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{
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uint64_t *ptr = qdev_get_prop_ptr(dev, prop);
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const char *fmt;
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/* accept both hex and decimal */
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fmt = strncasecmp(str, "0x",2) == 0 ? "%" PRIx64 : "%" PRIu64;
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if (sscanf(str, fmt, ptr) != 1)
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return -1;
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return 0;
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}
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static int print_uint64(DeviceState *dev, Property *prop, char *dest, size_t len)
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{
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uint64_t *ptr = qdev_get_prop_ptr(dev, prop);
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return snprintf(dest, len, "%" PRIu64, *ptr);
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}
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PropertyInfo qdev_prop_uint64 = {
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.name = "uint64",
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.type = PROP_TYPE_UINT64,
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.size = sizeof(uint64_t),
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.parse = parse_uint64,
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.print = print_uint64,
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};
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/* --- 64bit hex value --- */
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static int parse_hex64(DeviceState *dev, Property *prop, const char *str)
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{
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uint64_t *ptr = qdev_get_prop_ptr(dev, prop);
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if (sscanf(str, "%" PRIx64, ptr) != 1)
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return -1;
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return 0;
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}
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static int print_hex64(DeviceState *dev, Property *prop, char *dest, size_t len)
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{
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uint64_t *ptr = qdev_get_prop_ptr(dev, prop);
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return snprintf(dest, len, "0x%" PRIx64, *ptr);
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}
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PropertyInfo qdev_prop_hex64 = {
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.name = "hex64",
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.type = PROP_TYPE_UINT64,
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.size = sizeof(uint64_t),
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.parse = parse_hex64,
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.print = print_hex64,
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};
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/* --- string --- */
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static int parse_string(DeviceState *dev, Property *prop, const char *str)
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{
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char **ptr = qdev_get_prop_ptr(dev, prop);
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if (*ptr)
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qemu_free(*ptr);
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*ptr = qemu_strdup(str);
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return 0;
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}
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static int print_string(DeviceState *dev, Property *prop, char *dest, size_t len)
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{
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char **ptr = qdev_get_prop_ptr(dev, prop);
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if (!*ptr)
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return snprintf(dest, len, "<null>");
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return snprintf(dest, len, "\"%s\"", *ptr);
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}
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PropertyInfo qdev_prop_string = {
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.name = "string",
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.type = PROP_TYPE_STRING,
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.size = sizeof(char*),
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.parse = parse_string,
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.print = print_string,
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};
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/* --- drive --- */
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static int parse_drive(DeviceState *dev, Property *prop, const char *str)
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{
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DriveInfo **ptr = qdev_get_prop_ptr(dev, prop);
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*ptr = drive_get_by_id(str);
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if (*ptr == NULL)
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return -1;
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return 0;
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}
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static int print_drive(DeviceState *dev, Property *prop, char *dest, size_t len)
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{
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DriveInfo **ptr = qdev_get_prop_ptr(dev, prop);
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return snprintf(dest, len, "%s", (*ptr) ? (*ptr)->id : "<null>");
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}
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PropertyInfo qdev_prop_drive = {
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.name = "drive",
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.type = PROP_TYPE_DRIVE,
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.size = sizeof(DriveInfo*),
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.parse = parse_drive,
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.print = print_drive,
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};
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/* --- character device --- */
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static int parse_chr(DeviceState *dev, Property *prop, const char *str)
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{
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CharDriverState **ptr = qdev_get_prop_ptr(dev, prop);
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*ptr = qemu_chr_find(str);
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if (*ptr == NULL)
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return -1;
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return 0;
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}
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static int print_chr(DeviceState *dev, Property *prop, char *dest, size_t len)
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{
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CharDriverState **ptr = qdev_get_prop_ptr(dev, prop);
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if (*ptr && (*ptr)->label) {
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return snprintf(dest, len, "%s", (*ptr)->label);
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} else {
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return snprintf(dest, len, "<null>");
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}
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}
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PropertyInfo qdev_prop_chr = {
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.name = "chr",
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.type = PROP_TYPE_CHR,
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.size = sizeof(CharDriverState*),
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.parse = parse_chr,
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.print = print_chr,
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};
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/* --- netdev device --- */
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static int parse_netdev(DeviceState *dev, Property *prop, const char *str)
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{
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VLANClientState **ptr = qdev_get_prop_ptr(dev, prop);
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*ptr = qemu_find_netdev(str);
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if (*ptr == NULL)
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return -1;
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return 0;
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}
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static int print_netdev(DeviceState *dev, Property *prop, char *dest, size_t len)
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{
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VLANClientState **ptr = qdev_get_prop_ptr(dev, prop);
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if (*ptr && (*ptr)->name) {
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return snprintf(dest, len, "%s", (*ptr)->name);
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} else {
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return snprintf(dest, len, "<null>");
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}
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}
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PropertyInfo qdev_prop_netdev = {
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.name = "netdev",
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.type = PROP_TYPE_NETDEV,
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.size = sizeof(VLANClientState*),
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.parse = parse_netdev,
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.print = print_netdev,
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};
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/* --- vlan --- */
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static int parse_vlan(DeviceState *dev, Property *prop, const char *str)
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{
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VLANState **ptr = qdev_get_prop_ptr(dev, prop);
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int id;
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if (sscanf(str, "%d", &id) != 1)
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return -1;
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*ptr = qemu_find_vlan(id, 1);
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if (*ptr == NULL)
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return -1;
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return 0;
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}
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static int print_vlan(DeviceState *dev, Property *prop, char *dest, size_t len)
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{
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VLANState **ptr = qdev_get_prop_ptr(dev, prop);
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if (*ptr) {
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return snprintf(dest, len, "%d", (*ptr)->id);
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} else {
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return snprintf(dest, len, "<null>");
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}
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}
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PropertyInfo qdev_prop_vlan = {
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.name = "vlan",
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.type = PROP_TYPE_VLAN,
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.size = sizeof(VLANClientState*),
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.parse = parse_vlan,
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.print = print_vlan,
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};
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/* --- pointer --- */
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static int print_ptr(DeviceState *dev, Property *prop, char *dest, size_t len)
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{
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void **ptr = qdev_get_prop_ptr(dev, prop);
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return snprintf(dest, len, "<%p>", *ptr);
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}
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PropertyInfo qdev_prop_ptr = {
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.name = "ptr",
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.type = PROP_TYPE_PTR,
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.size = sizeof(void*),
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.print = print_ptr,
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};
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/* --- mac address --- */
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/*
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* accepted syntax versions:
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* 01:02:03:04:05:06
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* 01-02-03-04-05-06
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*/
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static int parse_mac(DeviceState *dev, Property *prop, const char *str)
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{
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MACAddr *mac = qdev_get_prop_ptr(dev, prop);
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int i, pos;
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char *p;
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for (i = 0, pos = 0; i < 6; i++, pos += 3) {
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if (!qemu_isxdigit(str[pos]))
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return -1;
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if (!qemu_isxdigit(str[pos+1]))
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return -1;
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if (i == 5) {
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if (str[pos+2] != '\0')
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return -1;
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} else {
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if (str[pos+2] != ':' && str[pos+2] != '-')
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return -1;
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}
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mac->a[i] = strtol(str+pos, &p, 16);
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}
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return 0;
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}
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static int print_mac(DeviceState *dev, Property *prop, char *dest, size_t len)
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{
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MACAddr *mac = qdev_get_prop_ptr(dev, prop);
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return snprintf(dest, len, "%02x:%02x:%02x:%02x:%02x:%02x",
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mac->a[0], mac->a[1], mac->a[2],
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mac->a[3], mac->a[4], mac->a[5]);
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}
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PropertyInfo qdev_prop_macaddr = {
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.name = "macaddr",
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.type = PROP_TYPE_MACADDR,
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.size = sizeof(MACAddr),
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.parse = parse_mac,
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.print = print_mac,
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};
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/* --- pci address --- */
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/*
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* bus-local address, i.e. "$slot" or "$slot.$fn"
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*/
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static int parse_pci_devfn(DeviceState *dev, Property *prop, const char *str)
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{
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uint32_t *ptr = qdev_get_prop_ptr(dev, prop);
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unsigned int slot, fn, n;
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if (sscanf(str, "%x.%x%n", &slot, &fn, &n) != 2) {
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fn = 0;
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if (sscanf(str, "%x%n", &slot, &n) != 1) {
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return -1;
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}
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}
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if (str[n] != '\0')
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return -1;
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if (fn > 7)
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return -1;
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*ptr = slot << 3 | fn;
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return 0;
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}
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static int print_pci_devfn(DeviceState *dev, Property *prop, char *dest, size_t len)
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{
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uint32_t *ptr = qdev_get_prop_ptr(dev, prop);
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if (*ptr == -1) {
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return snprintf(dest, len, "<unset>");
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} else {
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return snprintf(dest, len, "%02x.%x", *ptr >> 3, *ptr & 7);
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}
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}
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PropertyInfo qdev_prop_pci_devfn = {
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.name = "pci-devfn",
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.type = PROP_TYPE_UINT32,
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.size = sizeof(uint32_t),
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.parse = parse_pci_devfn,
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.print = print_pci_devfn,
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};
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/* --- public helpers --- */
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static Property *qdev_prop_walk(Property *props, const char *name)
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{
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if (!props)
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return NULL;
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while (props->name) {
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if (strcmp(props->name, name) == 0)
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return props;
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props++;
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}
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return NULL;
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}
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static Property *qdev_prop_find(DeviceState *dev, const char *name)
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{
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Property *prop;
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/* device properties */
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prop = qdev_prop_walk(dev->info->props, name);
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if (prop)
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return prop;
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/* bus properties */
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prop = qdev_prop_walk(dev->parent_bus->info->props, name);
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if (prop)
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return prop;
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return NULL;
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}
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int qdev_prop_exists(DeviceState *dev, const char *name)
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{
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return qdev_prop_find(dev, name) ? true : false;
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}
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int qdev_prop_parse(DeviceState *dev, const char *name, const char *value)
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{
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Property *prop;
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prop = qdev_prop_find(dev, name);
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if (!prop) {
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fprintf(stderr, "property \"%s.%s\" not found\n",
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dev->info->name, name);
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return -1;
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}
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if (!prop->info->parse) {
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fprintf(stderr, "property \"%s.%s\" has no parser\n",
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dev->info->name, name);
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return -1;
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}
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return prop->info->parse(dev, prop, value);
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}
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void qdev_prop_set(DeviceState *dev, const char *name, void *src, enum PropertyType type)
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{
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Property *prop;
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void *dst;
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prop = qdev_prop_find(dev, name);
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if (!prop) {
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fprintf(stderr, "%s: property \"%s.%s\" not found\n",
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__FUNCTION__, dev->info->name, name);
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abort();
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}
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if (prop->info->type != type) {
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fprintf(stderr, "%s: property \"%s.%s\" type mismatch\n",
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__FUNCTION__, dev->info->name, name);
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abort();
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}
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dst = qdev_get_prop_ptr(dev, prop);
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memcpy(dst, src, prop->info->size);
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}
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void qdev_prop_set_uint8(DeviceState *dev, const char *name, uint8_t value)
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{
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qdev_prop_set(dev, name, &value, PROP_TYPE_UINT8);
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}
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void qdev_prop_set_uint16(DeviceState *dev, const char *name, uint16_t value)
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{
|
|
qdev_prop_set(dev, name, &value, PROP_TYPE_UINT16);
|
|
}
|
|
|
|
void qdev_prop_set_uint32(DeviceState *dev, const char *name, uint32_t value)
|
|
{
|
|
qdev_prop_set(dev, name, &value, PROP_TYPE_UINT32);
|
|
}
|
|
|
|
void qdev_prop_set_int32(DeviceState *dev, const char *name, int32_t value)
|
|
{
|
|
qdev_prop_set(dev, name, &value, PROP_TYPE_INT32);
|
|
}
|
|
|
|
void qdev_prop_set_uint64(DeviceState *dev, const char *name, uint64_t value)
|
|
{
|
|
qdev_prop_set(dev, name, &value, PROP_TYPE_UINT64);
|
|
}
|
|
|
|
void qdev_prop_set_drive(DeviceState *dev, const char *name, DriveInfo *value)
|
|
{
|
|
qdev_prop_set(dev, name, &value, PROP_TYPE_DRIVE);
|
|
}
|
|
|
|
void qdev_prop_set_chr(DeviceState *dev, const char *name, CharDriverState *value)
|
|
{
|
|
qdev_prop_set(dev, name, &value, PROP_TYPE_CHR);
|
|
}
|
|
|
|
void qdev_prop_set_netdev(DeviceState *dev, const char *name, VLANClientState *value)
|
|
{
|
|
qdev_prop_set(dev, name, &value, PROP_TYPE_NETDEV);
|
|
}
|
|
|
|
void qdev_prop_set_vlan(DeviceState *dev, const char *name, VLANState *value)
|
|
{
|
|
qdev_prop_set(dev, name, &value, PROP_TYPE_VLAN);
|
|
}
|
|
|
|
void qdev_prop_set_macaddr(DeviceState *dev, const char *name, uint8_t *value)
|
|
{
|
|
qdev_prop_set(dev, name, value, PROP_TYPE_MACADDR);
|
|
}
|
|
|
|
void qdev_prop_set_ptr(DeviceState *dev, const char *name, void *value)
|
|
{
|
|
qdev_prop_set(dev, name, &value, PROP_TYPE_PTR);
|
|
}
|
|
|
|
void qdev_prop_set_defaults(DeviceState *dev, Property *props)
|
|
{
|
|
char *dst;
|
|
|
|
if (!props)
|
|
return;
|
|
while (props->name) {
|
|
if (props->defval) {
|
|
dst = qdev_get_prop_ptr(dev, props);
|
|
memcpy(dst, props->defval, props->info->size);
|
|
}
|
|
props++;
|
|
}
|
|
}
|
|
|
|
static QTAILQ_HEAD(, GlobalProperty) global_props = QTAILQ_HEAD_INITIALIZER(global_props);
|
|
|
|
void qdev_prop_register_global(GlobalProperty *prop)
|
|
{
|
|
QTAILQ_INSERT_TAIL(&global_props, prop, next);
|
|
}
|
|
|
|
void qdev_prop_register_global_list(GlobalProperty *props)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; props[i].driver != NULL; i++) {
|
|
qdev_prop_register_global(props+i);
|
|
}
|
|
}
|
|
|
|
void qdev_prop_set_globals(DeviceState *dev)
|
|
{
|
|
GlobalProperty *prop;
|
|
|
|
QTAILQ_FOREACH(prop, &global_props, next) {
|
|
if (strcmp(dev->info->name, prop->driver) != 0) {
|
|
continue;
|
|
}
|
|
if (qdev_prop_parse(dev, prop->property, prop->value) != 0) {
|
|
abort();
|
|
}
|
|
}
|
|
}
|