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Commit d010b51c authored by Michael Ellerman's avatar Michael Ellerman Committed by Greg Kroah-Hartman
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PCI: Add #defines for Hypertransport MSI fields 



Add a few #defines for grabbing and working with the address fields
in a HT_CAPTYPE_MSI_MAPPING capability. All from the HT spec v3.00.

Signed-off-by: default avatarMichael Ellerman <michael@ellerman.id.au>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 120a50df

include/linux/pci_regs.h

+7 −0
Original line number Diff line number Diff line
@@ -494,6 +494,13 @@ 
#define HT_CAPTYPE_UNITID_CLUMP	0x90	/* Unit ID clumping */

#define HT_CAPTYPE_EXTCONF	0x98	/* Extended Configuration Space Access */

#define HT_CAPTYPE_MSI_MAPPING	0xA8	/* MSI Mapping Capability */

#define  HT_MSI_FLAGS		0x02		/* Offset to flags */

#define  HT_MSI_FLAGS_ENABLE	0x1		/* Mapping enable */

#define  HT_MSI_FLAGS_FIXED	0x2		/* Fixed mapping only */

#define  HT_MSI_FIXED_ADDR	0x00000000FEE00000ULL	/* Fixed addr */

#define  HT_MSI_ADDR_LO		0x04		/* Offset to low addr bits */

#define  HT_MSI_ADDR_LO_MASK	0xFFF00000	/* Low address bit mask */

#define  HT_MSI_ADDR_HI		0x08		/* Offset to high addr bits */

#define HT_CAPTYPE_DIRECT_ROUTE	0xB0	/* Direct routing configuration */

#define HT_CAPTYPE_VCSET	0xB8	/* Virtual Channel configuration */

#define HT_CAPTYPE_ERROR_RETRY	0xC0	/* Retry on error configuration */