From: Michael Ellerman <michael@ellerman.id.au>
To: Paul Mackerras <paulus@samba.org>
Cc: linux-pci@atrey.karlin.mff.cuni.cz, linuxppc-dev@ozlabs.org
Subject: [PATCH 1/9] Add #defines for Hypertransport MSI fields
Date: Wed, 13 Dec 2006 21:39:30 +1100 [thread overview]
Message-ID: <20061213103936.40A6767CFD@ozlabs.org> (raw)
In-Reply-To: <1166006370.90082.476088563252.qpush@cradle>
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: Michael Ellerman <michael@ellerman.id.au>
---
include/linux/pci_regs.h | 7 +++++++
1 file changed, 7 insertions(+)
Index: msi/include/linux/pci_regs.h
===================================================================
--- msi.orig/include/linux/pci_regs.h
+++ msi/include/linux/pci_regs.h
@@ -487,6 +487,13 @@
#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 */
next prev parent reply other threads:[~2006-12-13 10:39 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-12-13 10:39 [PATCH 0/9] Powerpc MSI Implementation (.. again) Michael Ellerman
2006-12-13 10:39 ` Michael Ellerman [this message]
2006-12-13 10:39 ` [PATCH 2/9] Rip out the existing powerpc msi stubs Michael Ellerman
2006-12-13 10:39 ` [PATCH 3/9] Powerpc MSI implementation Michael Ellerman
2006-12-13 10:39 ` [PATCH 4/9] Enable MSI on Powerpc Michael Ellerman
2006-12-13 10:39 ` [PATCH 5/9] RTAS MSI implementation Michael Ellerman
2006-12-13 10:40 ` [PATCH 6/9] MPIC MSI allocator Michael Ellerman
2006-12-13 18:23 ` Olof Johansson
2006-12-13 23:25 ` Benjamin Herrenschmidt
2006-12-14 0:09 ` Olof Johansson
2006-12-14 0:32 ` Benjamin Herrenschmidt
2006-12-14 0:59 ` Michael Ellerman
2006-12-14 1:02 ` Benjamin Herrenschmidt
2006-12-14 1:06 ` Michael Ellerman
2006-12-14 14:46 ` Segher Boessenkool
2006-12-14 19:44 ` Benjamin Herrenschmidt
2006-12-15 1:47 ` Segher Boessenkool
2006-12-15 1:51 ` Michael Ellerman
2006-12-15 2:28 ` Benjamin Herrenschmidt
2006-12-15 2:58 ` Segher Boessenkool
2006-12-15 6:42 ` Olof Johansson
2006-12-14 1:06 ` Olof Johansson
2006-12-14 0:34 ` Michael Ellerman
2006-12-13 10:40 ` [PATCH 7/9] MPIC MSI backend Michael Ellerman
2006-12-13 10:40 ` [PATCH 8/9] Activate MSI on Powerpc Michael Ellerman
2006-12-13 10:40 ` [PATCH 9/9] Enable MSI mappings for MPIC Michael Ellerman
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