From e8cd45c78f53501e75bd455140da63d1b7ed3685 Mon Sep 17 00:00:00 2001 From: Vasilis Liaskovitis Date: Mon, 29 Jul 2013 16:47:56 +0200 Subject: qdev: Add SIZE type to qdev properties MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This patch adds a 'SIZE' type property to qdev. Signed-off-by: Ian Molton Signed-off-by: Vasilis Liaskovitis Signed-off-by: Hu Tao Signed-off-by: Igor Mammedov Reviewed-by: Michael S. Tsirkin Reviewed-by: Andreas Färber Message-id: 1375109277-25561-7-git-send-email-imammedo@redhat.com Signed-off-by: Anthony Liguori --- hw/core/qdev-properties.c | 55 ++++++++++++++++++++++++++++++++++++++++++++ include/hw/qdev-properties.h | 3 +++ include/qemu/option.h | 2 ++ util/qemu-option.c | 4 ++-- 4 files changed, 62 insertions(+), 2 deletions(-) diff --git a/hw/core/qdev-properties.c b/hw/core/qdev-properties.c index 6e1ed1e13c..8d43a8d272 100644 --- a/hw/core/qdev-properties.c +++ b/hw/core/qdev-properties.c @@ -1135,3 +1135,58 @@ void qdev_prop_set_globals(DeviceState *dev, Error **errp) class = object_class_get_parent(class); } while (class); } + +/* --- 64bit unsigned int 'size' type --- */ + +static void get_size(Object *obj, Visitor *v, void *opaque, + const char *name, Error **errp) +{ + DeviceState *dev = DEVICE(obj); + Property *prop = opaque; + uint64_t *ptr = qdev_get_prop_ptr(dev, prop); + + visit_type_size(v, ptr, name, errp); +} + +static void set_size(Object *obj, Visitor *v, void *opaque, + const char *name, Error **errp) +{ + DeviceState *dev = DEVICE(obj); + Property *prop = opaque; + uint64_t *ptr = qdev_get_prop_ptr(dev, prop); + + visit_type_size(v, ptr, name, errp); +} + +static int parse_size(DeviceState *dev, Property *prop, const char *str) +{ + uint64_t *ptr = qdev_get_prop_ptr(dev, prop); + Error *errp = NULL; + + if (str != NULL) { + parse_option_size(prop->name, str, ptr, &errp); + } + assert_no_error(errp); + return 0; +} + +static int print_size(DeviceState *dev, Property *prop, char *dest, size_t len) +{ + uint64_t *ptr = qdev_get_prop_ptr(dev, prop); + char suffixes[] = {'T', 'G', 'M', 'K', 'B'}; + int i = 0; + uint64_t div; + + for (div = (long int)1 << 40; !(*ptr / div) ; div >>= 10) { + i++; + } + return snprintf(dest, len, "%0.03f%c", (double)*ptr/div, suffixes[i]); +} + +PropertyInfo qdev_prop_size = { + .name = "size", + .parse = parse_size, + .print = print_size, + .get = get_size, + .set = set_size, +}; diff --git a/include/hw/qdev-properties.h b/include/hw/qdev-properties.h index 39448b716c..692f82e935 100644 --- a/include/hw/qdev-properties.h +++ b/include/hw/qdev-properties.h @@ -15,6 +15,7 @@ extern PropertyInfo qdev_prop_uint64; extern PropertyInfo qdev_prop_hex8; extern PropertyInfo qdev_prop_hex32; extern PropertyInfo qdev_prop_hex64; +extern PropertyInfo qdev_prop_size; extern PropertyInfo qdev_prop_string; extern PropertyInfo qdev_prop_chr; extern PropertyInfo qdev_prop_ptr; @@ -116,6 +117,8 @@ extern PropertyInfo qdev_prop_arraylen; DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_hex32, uint32_t) #define DEFINE_PROP_HEX64(_n, _s, _f, _d) \ DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_hex64, uint64_t) +#define DEFINE_PROP_SIZE(_n, _s, _f, _d) \ + DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_size, uint64_t) #define DEFINE_PROP_PCI_DEVFN(_n, _s, _f, _d) \ DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_pci_devfn, int32_t) diff --git a/include/qemu/option.h b/include/qemu/option.h index 13f5e72a8e..7a58e477d9 100644 --- a/include/qemu/option.h +++ b/include/qemu/option.h @@ -73,6 +73,8 @@ QEMUOptionParameter *append_option_parameters(QEMUOptionParameter *dest, QEMUOptionParameter *list); QEMUOptionParameter *parse_option_parameters(const char *param, QEMUOptionParameter *list, QEMUOptionParameter *dest); +void parse_option_size(const char *name, const char *value, + uint64_t *ret, Error **errp); void free_option_parameters(QEMUOptionParameter *list); void print_option_parameters(QEMUOptionParameter *list); void print_option_help(QEMUOptionParameter *list); diff --git a/util/qemu-option.c b/util/qemu-option.c index 5d686c805f..7a1552a512 100644 --- a/util/qemu-option.c +++ b/util/qemu-option.c @@ -173,8 +173,8 @@ static void parse_option_number(const char *name, const char *value, } } -static void parse_option_size(const char *name, const char *value, - uint64_t *ret, Error **errp) +void parse_option_size(const char *name, const char *value, + uint64_t *ret, Error **errp) { char *postfix; double sizef; -- cgit v1.2.1