summaryrefslogtreecommitdiff
path: root/sys/include/dev/pci/pciregs.h
diff options
context:
space:
mode:
authorIan Moffett <ian@osmora.org>2024-07-11 01:30:14 -0400
committerIan Moffett <ian@osmora.org>2024-07-11 01:30:14 -0400
commitbf9ad82ee961b839654e2322f083c13532f2c0c6 (patch)
tree09db2648a09e100f5027132d93e12c938a530cf9 /sys/include/dev/pci/pciregs.h
parent1d258c4bfeaab845b250006ed8bf3df6776b5c11 (diff)
kernel/amd64: pci: Add support for PCI MSI-X
Signed-off-by: Ian Moffett <ian@osmora.org>
Diffstat (limited to 'sys/include/dev/pci/pciregs.h')
-rw-r--r--sys/include/dev/pci/pciregs.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/sys/include/dev/pci/pciregs.h b/sys/include/dev/pci/pciregs.h
index c1b02e9..763fade 100644
--- a/sys/include/dev/pci/pciregs.h
+++ b/sys/include/dev/pci/pciregs.h
@@ -42,6 +42,7 @@
#define PCIREG_BAR4 0x20 /* 32 bits */
#define PCIREG_BAR5 0x24 /* 32 bits */
#define PCIREG_IRQLINE 0x3C /* 8 bits */
+#define PCIREG_CAPPTR 0x34 /* 8 bits */
#define PCIREG_CMDSTATUS 0x04 /* command (15:0), status (31:16) */
/* Macros to extract PCIREG_CLASSREV bits */
@@ -64,4 +65,8 @@
#define PCI_STATUS_CAPLIST BIT(4)
#define PCI_STATUS_66MHZ BIT(5)
+/* Capability IDs */
+#define PCI_CAP_MSI 0x05
+#define PCI_CAP_MSIX 0x11
+
#endif /* _PCI_PCIREGS_H_ */