Sheng Yang wrote:
union {
+ struct {
+ __u32 addr_lo;
+ __u32 addr_hi;
__u64 addr;
?
Here I followed the spec that distinguish the "Message Address" and "Message
Upper address". And the native Linux structure:
struct msi_msg {
u32 address_lo; /* low 32 bits of msi message address */
u32 address_hi; /* high 32 bits of msi message address */
u32 data; /* 16 bits of msi message data */
};
For now, we needn't care about address_hi. I can only see address_hi used in
hypertransport part... So I think keep it independence here is OK.
Fair enough, documentation wins.
(In fact, PCI spec defined message data length is u64, but as you see, now
msi_msg for whole Linux only have u32...)
Well in that case please define data as __u64, so we don't have
surprises later on.
--
error compiling committee.c: too many arguments to function
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