On Tue, May 26, 2009 at 11:07:33AM +0300, Avi Kivity wrote:
> Michael S. Tsirkin wrote:
>> On Tue, May 26, 2009 at 11:33:37AM +0900, Isaku Yamahata wrote:
>>
>>> On Mon, May 25, 2009 at 03:25:33PM +0300, Michael S. Tsirkin wrote:
>>>
>>>> Add inline routines for convenient access to pci devices
>>>> with correct (little) endianness. Will be used by MSI-X support.
>>>>
>>> Just a minor comment.
>>> How about to add pci_[sg]et_byte() for consistency?
>>>
>>
>> I don't see that it makes sense - pci_set_long(config, value)
>> is shorter than *((uint32_t *)config) = cpu_to_le32(value),
>> but single bytes don't have endianness, and *config = value
>> is shorter.
>>
>
> It's nice to have consistent APIs though.
Well, if enough people feel so ...
qemu: add pci_get/set_byte
Add pci_get/set_byte to keep *_word and *_long access functions company.
They are unused for now.
Signed-off-by: Michael S. Tsirkin <mst@xxxxxxxxxx>
---
diff --git a/hw/pci.h b/hw/pci.h
index 4072f16..e1e4fb4 100644
--- a/hw/pci.h
+++ b/hw/pci.h
@@ -263,6 +263,18 @@ PCIBus *pci_bridge_init(PCIBus *bus, int devfn, uint16_t vid, uint16_t did,
pci_map_irq_fn map_irq, const char *name);
static inline void
+pci_set_byte(uint8_t *config, uint8_t val)
+{
+ *config = val;
+}
+
+static inline uint8_t
+pci_get_byte(uint8_t *config)
+{
+ return *config;
+}
+
+static inline void
pci_set_word(uint8_t *config, uint16_t val)
{
cpu_to_le16wu((uint16_t *)config, val);
--
MST
--
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