diff options
| author | cinap_lenrek <cinap_lenrek@felloff.net> | 2020-11-21 16:02:21 +0100 |
|---|---|---|
| committer | cinap_lenrek <cinap_lenrek@felloff.net> | 2020-11-21 16:02:21 +0100 |
| commit | 1376d39ef1194c76e97035a1af110a59e4ad8257 (patch) | |
| tree | 0025763d0b5c7be90716dfa767957d525272561b /sys/src/9/port/pci.h | |
| parent | cedded7b50e91344eb469efee354ee8682e33cf3 (diff) | |
kernel: add portable pcimsienable()/pcimsidisable(), disable MSI/MSI-X on pcidisable()/pcireset()
This avoids some duplication in the pci support code and
allows pcireset() to diable MSI and MSI-X interrupts
when disabling or reseting a device.
Diffstat (limited to 'sys/src/9/port/pci.h')
| -rw-r--r-- | sys/src/9/port/pci.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/sys/src/9/port/pci.h b/sys/src/9/port/pci.h index 176117119..fc84d1e2b 100644 --- a/sys/src/9/port/pci.h +++ b/sys/src/9/port/pci.h @@ -199,6 +199,7 @@ struct Pcidev } prefa; int pmrb; /* power management register block */ + int msi; /* MSI capability register block */ }; enum { @@ -248,6 +249,10 @@ extern void pciclrmwi(Pcidev* p); extern int pcicap(Pcidev *p, int cap); extern int pcihtcap(Pcidev *p, int cap); + +extern int pcimsienable(Pcidev *p, uvlong addr, ulong data); +extern int pcimsidisable(Pcidev *p); + extern int pcigetpms(Pcidev* p); extern int pcisetpms(Pcidev* p, int state); |