Hi
----- Original Message -----
> On 02/16/2017 01:19 PM, Marc-André Lureau wrote:
> > Hi
> >
> > ----- Original Message -----
> >> On 02/16/2017 12:58 PM, Marc-André Lureau wrote:
> >>> This will allow the function to be used outside of QOM properties.
> >>>
> >>
> >> Hi Mark-Andre,
> >>
> >> I am not sure cutil.h is the right header for the function, because is too
> >> PCI
> >> related for a utility library.
> >
> > It's in the pci.h header, implementation and test is put in
> > {test-,}cutils.c
> >
>
> sorry about the miss-match, I war referring to the implementation.
>
> > I can try to put it in pci/pci.c, but it will be harder to link to for
> > testing (note: I haven't tried). I could also put it in a seperate
> > pci-parse.c for example.
>
> no need for a new file, but hw/pci/pci_host.c should be a good place.
It pulls in pci/pci.c for pci_find_device() and friends, plus type registration
etc.
I'll move it to a standalone pci/pci-util.c
>
> regarding the tests, an new pci test file would be welcomed.
>
> >
> >
> >> Also, maybe we can post the patch together with the code that uses the
> >> exposed function.
> >
> > I dropped the patch using it for now, but I thought it would still be nice
> > to have the test, doc and strtoul change.
> >
>
> I agree if Michael has nothing against this.
>
> Thanks,
> Marcel
>
> >>
> >> And thanks for the unit-tests, much appreciated!
> >
> > thanks
> >
> >> Marcel
> >>
> >>> Add tests and replace strtoul usage for qemu_strtoul while touching it.
> >>>
> >>> Signed-off-by: Marc-André Lureau <marcandre.lur...@redhat.com>
> >>> ---
> >>> v2:
> >>> - fixed incompatible type warning/error
> >>>
> >>> include/hw/pci/pci.h | 12 ++++++++++
> >>> hw/core/qdev-properties.c | 61
> >>> +++--------------------------------------------
> >>> tests/test-cutils.c | 46 +++++++++++++++++++++++++++++++++++
> >>> util/cutils.c | 59
> >>> +++++++++++++++++++++++++++++++++++++++++++++
> >>> 4 files changed, 120 insertions(+), 58 deletions(-)
> >>>
> >>> diff --git a/include/hw/pci/pci.h b/include/hw/pci/pci.h
> >>> index cbc1fdfb5b..61718080ea 100644
> >>> --- a/include/hw/pci/pci.h
> >>> +++ b/include/hw/pci/pci.h
> >>> @@ -815,4 +815,16 @@ extern const VMStateDescription vmstate_pci_device;
> >>>
> >>> MSIMessage pci_get_msi_message(PCIDevice *dev, int vector);
> >>>
> >>> +/**
> >>> + * pci_host_device_address_parse:
> >>> + * @str: string to parse
> >>> + * @addr: destination structure or NULL
> >>> + *
> >>> + * Parse [<domain>:]<bus>:<slot>.<func>
> >>> + * if <domain> is not supplied, it's assumed to be 0.
> >>> + *
> >>> + * Returns: -1 on failure, 0 on success.
> >>> + */
> >>> +int pci_host_device_address_parse(const char *str, PCIHostDeviceAddress
> >>> *addr);
> >>> +
> >>> #endif
> >>> diff --git a/hw/core/qdev-properties.c b/hw/core/qdev-properties.c
> >>> index 6ab4265eb4..5dd0774e88 100644
> >>> --- a/hw/core/qdev-properties.c
> >>> +++ b/hw/core/qdev-properties.c
> >>> @@ -722,10 +722,6 @@ static void get_pci_host_devaddr(Object *obj,
> >>> Visitor
> >>> *v, const char *name,
> >>> visit_type_str(v, name, &p, errp);
> >>> }
> >>>
> >>> -/*
> >>> - * Parse [<domain>:]<bus>:<slot>.<func>
> >>> - * if <domain> is not supplied, it's assumed to be 0.
> >>> - */
> >>> static void set_pci_host_devaddr(Object *obj, Visitor *v, const char
> >>> *name,
> >>> void *opaque, Error **errp)
> >>> {
> >>> @@ -733,11 +729,7 @@ static void set_pci_host_devaddr(Object *obj,
> >>> Visitor
> >>> *v, const char *name,
> >>> Property *prop = opaque;
> >>> PCIHostDeviceAddress *addr = qdev_get_prop_ptr(dev, prop);
> >>> Error *local_err = NULL;
> >>> - char *str, *p;
> >>> - char *e;
> >>> - unsigned long val;
> >>> - unsigned long dom = 0, bus = 0;
> >>> - unsigned int slot = 0, func = 0;
> >>> + char *str;
> >>>
> >>> if (dev->realized) {
> >>> qdev_prop_set_after_realize(dev, name, errp);
> >>> @@ -750,58 +742,11 @@ static void set_pci_host_devaddr(Object *obj,
> >>> Visitor
> >>> *v, const char *name,
> >>> return;
> >>> }
> >>>
> >>> - p = str;
> >>> - val = strtoul(p, &e, 16);
> >>> - if (e == p || *e != ':') {
> >>> - goto inval;
> >>> - }
> >>> - bus = val;
> >>> -
> >>> - p = e + 1;
> >>> - val = strtoul(p, &e, 16);
> >>> - if (e == p) {
> >>> - goto inval;
> >>> - }
> >>> - if (*e == ':') {
> >>> - dom = bus;
> >>> - bus = val;
> >>> - p = e + 1;
> >>> - val = strtoul(p, &e, 16);
> >>> - if (e == p) {
> >>> - goto inval;
> >>> - }
> >>> - }
> >>> - slot = val;
> >>> -
> >>> - if (*e != '.') {
> >>> - goto inval;
> >>> + if (!pci_host_device_address_parse(str, addr)) {
> >>> + error_set_from_qdev_prop_error(errp, EINVAL, dev, prop, str);
> >>> }
> >>> - p = e + 1;
> >>> - val = strtoul(p, &e, 10);
> >>> - if (e == p) {
> >>> - goto inval;
> >>> - }
> >>> - func = val;
> >>> -
> >>> - if (dom > 0xffff || bus > 0xff || slot > 0x1f || func > 7) {
> >>> - goto inval;
> >>> - }
> >>> -
> >>> - if (*e) {
> >>> - goto inval;
> >>> - }
> >>> -
> >>> - addr->domain = dom;
> >>> - addr->bus = bus;
> >>> - addr->slot = slot;
> >>> - addr->function = func;
> >>>
> >>> g_free(str);
> >>> - return;
> >>> -
> >>> -inval:
> >>> - error_set_from_qdev_prop_error(errp, EINVAL, dev, prop, str);
> >>> - g_free(str);
> >>> }
> >>>
> >>> PropertyInfo qdev_prop_pci_host_devaddr = {
> >>> diff --git a/tests/test-cutils.c b/tests/test-cutils.c
> >>> index 20b0f59ba2..81c4f072f3 100644
> >>> --- a/tests/test-cutils.c
> >>> +++ b/tests/test-cutils.c
> >>> @@ -28,6 +28,7 @@
> >>> #include "qemu/osdep.h"
> >>>
> >>> #include "qemu/cutils.h"
> >>> +#include "hw/pci/pci.h"
> >>>
> >>> static void test_parse_uint_null(void)
> >>> {
> >>> @@ -1437,6 +1438,46 @@ static void test_qemu_strtosz_suffix_unit(void)
> >>> g_assert_cmpint(res, ==, 12345000);
> >>> }
> >>>
> >>> +static void test_pci_parse_valid(void)
> >>> +{
> >>> + PCIHostDeviceAddress addr = { 0xff, 0xff, 0xff, 0xff };
> >>> + int i, res;
> >>> + const struct {
> >>> + const char *str;
> >>> + PCIHostDeviceAddress addr;
> >>> + } tests[] = {
> >>> + { "1:2.3", { 0, 1, 2, 3 } },
> >>> + { "4:1:2.3", { 4, 1, 2, 3 } },
> >>> + { "a:a:a.7", { 10, 10, 10, 7 } },
> >>> + };
> >>> +
> >>> + for (i = 0; i < ARRAY_SIZE(tests); i++) {
> >>> + res = pci_host_device_address_parse(tests[i].str, &addr);
> >>> + g_assert_cmpint(res, ==, 0);
> >>> +
> >>> + g_assert_cmpint(addr.domain, ==, tests[i].addr.domain);
> >>> + g_assert_cmpint(addr.bus, ==, tests[i].addr.bus);
> >>> + g_assert_cmpint(addr.slot, ==, tests[i].addr.slot);
> >>> + g_assert_cmpint(addr.function, ==, tests[i].addr.function);
> >>> + }
> >>> +}
> >>> +
> >>> +static void test_pci_parse_invalid(void)
> >>> +{
> >>> + int i, res;
> >>> + const char *tests[] = {
> >>> + "", "foo", "1:2.3 foo",
> >>> + "a:a:a.a",
> >>> + "1", "1:", "1:2", "1:2:", "1:2:3", ":1:2:3.",
> >>> + "-1:1:2.3", "-1:2.3", "1:-1.3", "1:2.-3",
> >>> + "0x10000:1:1.1", "0x100:1.1", "1:0x20.1", "1:1.8" };
> >>> +
> >>> + for (i = 0; i < ARRAY_SIZE(tests); i++) {
> >>> + res = pci_host_device_address_parse(tests[i], NULL);
> >>> + g_assert_cmpint(res, ==, -1);
> >>> + }
> >>> +}
> >>> +
> >>> int main(int argc, char **argv)
> >>> {
> >>> g_test_init(&argc, &argv, NULL);
> >>> @@ -1598,5 +1639,10 @@ int main(int argc, char **argv)
> >>> g_test_add_func("/cutils/strtosz/suffix-unit",
> >>> test_qemu_strtosz_suffix_unit);
> >>>
> >>> + g_test_add_func("/cutils/pci-parse/valid",
> >>> + test_pci_parse_valid);
> >>> + g_test_add_func("/cutils/pci-parse/invalid",
> >>> + test_pci_parse_invalid);
> >>> +
> >>> return g_test_run();
> >>> }
> >>> diff --git a/util/cutils.c b/util/cutils.c
> >>> index 4fefcf3be3..fc71c85816 100644
> >>> --- a/util/cutils.c
> >>> +++ b/util/cutils.c
> >>> @@ -29,6 +29,7 @@
> >>> #include "qemu/sockets.h"
> >>> #include "qemu/iov.h"
> >>> #include "net/net.h"
> >>> +#include "hw/pci/pci.h"
> >>> #include "qemu/cutils.h"
> >>>
> >>> void strpadcpy(char *buf, int buf_size, const char *str, char pad)
> >>> @@ -594,3 +595,61 @@ const char *qemu_ether_ntoa(const MACAddr *mac)
> >>>
> >>> return ret;
> >>> }
> >>> +
> >>> +int pci_host_device_address_parse(const char *str, PCIHostDeviceAddress
> >>> *addr)
> >>> +{
> >>> + const char *p = str;
> >>> + const char *e;
> >>> + unsigned long val;
> >>> + unsigned int dom = 0, bus = 0;
> >>> + unsigned int slot = 0, func = 0;
> >>> +
> >>> + if (qemu_strtoul(p, &e, 16, &val) < 0
> >>> + || e == p || *e != ':') {
> >>> + return -1;
> >>> + }
> >>> + bus = val;
> >>> +
> >>> + p = e + 1;
> >>> + if (qemu_strtoul(p, &e, 16, &val) < 0
> >>> + || e == p) {
> >>> + return -1;
> >>> + }
> >>> + if (*e == ':') {
> >>> + dom = bus;
> >>> + bus = val;
> >>> + p = e + 1;
> >>> + if (qemu_strtoul(p, &e, 16, &val) < 0
> >>> + || e == p) {
> >>> + return -1;
> >>> + }
> >>> + }
> >>> + slot = val;
> >>> +
> >>> + if (*e != '.') {
> >>> + return -1;
> >>> + }
> >>> + p = e + 1;
> >>> + if (qemu_strtoul(p, &e, 10, &val) < 0
> >>> + || e == p) {
> >>> + return -1;
> >>> + }
> >>> + func = val;
> >>> +
> >>> + if (dom > 0xffff || bus > 0xff || slot > 0x1f || func > 7) {
> >>> + return -1;
> >>> + }
> >>> +
> >>> + if (*e) {
> >>> + return -1;
> >>> + }
> >>> +
> >>> + if (addr) {
> >>> + addr->domain = dom;
> >>> + addr->bus = bus;
> >>> + addr->slot = slot;
> >>> + addr->function = func;
> >>> + }
> >>> +
> >>> + return 0;
> >>> +}
> >>>
> >>
> >>
>
>
