# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1209634018 -3600
# Node ID 8bced3d8a90756540df18c356b9f1d66acac2b87
# Parent 5e5bc5b2bb6d4d71c0de97c15448f2f991f4271d
MSI 1/6: Move PCI functions and headers to a common location.
Signed-off-by: Shan Haitao <haitao.shan@xxxxxxxxx>
Signed-off-by: Jiang Yunhong <yunhong.jiang@xxxxxxxxx>
---
xen/drivers/passthrough/pci_regs.h | 530 ----------------------------
xen/arch/x86/domctl.c | 1
xen/arch/x86/pci.c | 58 +++
xen/drivers/passthrough/amd/iommu_detect.c | 2
xen/drivers/passthrough/amd/iommu_init.c | 2
xen/drivers/passthrough/amd/pci_amd_iommu.c | 2
xen/drivers/passthrough/vtd/dmar.c | 2
xen/drivers/passthrough/vtd/intremap.c | 2
xen/drivers/passthrough/vtd/iommu.c | 29 -
xen/drivers/passthrough/vtd/qinval.c | 2
xen/drivers/passthrough/vtd/utils.c | 37 -
xen/include/xen/iommu.h | 21 -
xen/include/xen/pci.h | 22 +
xen/include/xen/pci_regs.h | 530 ++++++++++++++++++++++++++++
14 files changed, 623 insertions(+), 617 deletions(-)
diff -r 5e5bc5b2bb6d -r 8bced3d8a907 xen/arch/x86/domctl.c
--- a/xen/arch/x86/domctl.c Thu May 01 10:00:00 2008 +0100
+++ b/xen/arch/x86/domctl.c Thu May 01 10:26:58 2008 +0100
@@ -10,6 +10,7 @@
#include <xen/mm.h>
#include <xen/guest_access.h>
#include <xen/compat.h>
+#include <xen/pci.h>
#include <public/domctl.h>
#include <xen/sched.h>
#include <xen/domain.h>
diff -r 5e5bc5b2bb6d -r 8bced3d8a907 xen/arch/x86/pci.c
--- a/xen/arch/x86/pci.c Thu May 01 10:00:00 2008 +0100
+++ b/xen/arch/x86/pci.c Thu May 01 10:26:58 2008 +0100
@@ -6,6 +6,7 @@
#include <xen/config.h>
#include <xen/pci.h>
+#include <xen/pci_regs.h>
#include <xen/spinlock.h>
#include <asm/io.h>
@@ -116,3 +117,60 @@ void pci_conf_write32(
BUG_ON((bus > 255) || (dev > 31) || (func > 7) || (reg > 255));
pci_conf_write(PCI_CONF_ADDRESS(bus, dev, func, reg), 0, 4, data);
}
+
+int pci_find_cap_offset(u8 bus, u8 dev, u8 func, u8 cap)
+{
+ u8 id;
+ int max_cap = 48;
+ u8 pos = PCI_CAPABILITY_LIST;
+ u16 status;
+
+ status = pci_conf_read16(bus, dev, func, PCI_STATUS);
+ if ( (status & PCI_STATUS_CAP_LIST) == 0 )
+ return 0;
+
+ while ( max_cap-- )
+ {
+ pos = pci_conf_read8(bus, dev, func, pos);
+ if ( pos < 0x40 )
+ break;
+
+ pos &= ~3;
+ id = pci_conf_read8(bus, dev, func, pos + PCI_CAP_LIST_ID);
+
+ if ( id == 0xff )
+ break;
+ else if ( id == cap )
+ return pos;
+
+ pos += PCI_CAP_LIST_NEXT;
+ }
+
+ return 0;
+}
+
+int pci_find_next_cap(u8 bus, unsigned int devfn, u8 pos, int cap)
+{
+ u8 id;
+ int ttl = 48;
+
+ while ( ttl-- )
+ {
+ pos = pci_conf_read8(bus, PCI_SLOT(devfn), PCI_FUNC(devfn), pos);
+ if ( pos < 0x40 )
+ break;
+
+ pos &= ~3;
+ id = pci_conf_read8(bus, PCI_SLOT(devfn), PCI_FUNC(devfn),
+ pos + PCI_CAP_LIST_ID);
+
+ if ( id == 0xff )
+ break;
+ if ( id == cap )
+ return pos;
+
+ pos += PCI_CAP_LIST_NEXT;
+ }
+ return 0;
+}
+
diff -r 5e5bc5b2bb6d -r 8bced3d8a907 xen/drivers/passthrough/amd/iommu_detect.c
--- a/xen/drivers/passthrough/amd/iommu_detect.c Thu May 01 10:00:00
2008 +0100
+++ b/xen/drivers/passthrough/amd/iommu_detect.c Thu May 01 10:26:58
2008 +0100
@@ -22,9 +22,9 @@
#include <xen/errno.h>
#include <xen/iommu.h>
#include <xen/pci.h>
+#include <xen/pci_regs.h>
#include <asm/amd-iommu.h>
#include <asm/hvm/svm/amd-iommu-proto.h>
-#include "../pci_regs.h"
static int __init valid_bridge_bus_config(
int bus, int dev, int func, int *sec_bus, int *sub_bus)
diff -r 5e5bc5b2bb6d -r 8bced3d8a907 xen/drivers/passthrough/amd/iommu_init.c
--- a/xen/drivers/passthrough/amd/iommu_init.c Thu May 01 10:00:00 2008 +0100
+++ b/xen/drivers/passthrough/amd/iommu_init.c Thu May 01 10:26:58 2008 +0100
@@ -21,10 +21,10 @@
#include <xen/config.h>
#include <xen/errno.h>
#include <xen/pci.h>
+#include <xen/pci_regs.h>
#include <asm/amd-iommu.h>
#include <asm/hvm/svm/amd-iommu-proto.h>
#include <asm-x86/fixmap.h>
-#include "../pci_regs.h"
extern int nr_amd_iommus;
static struct amd_iommu *vector_to_iommu[NR_VECTORS];
diff -r 5e5bc5b2bb6d -r 8bced3d8a907 xen/drivers/passthrough/amd/pci_amd_iommu.c
--- a/xen/drivers/passthrough/amd/pci_amd_iommu.c Thu May 01 10:00:00
2008 +0100
+++ b/xen/drivers/passthrough/amd/pci_amd_iommu.c Thu May 01 10:26:58
2008 +0100
@@ -20,11 +20,11 @@
#include <xen/sched.h>
#include <xen/pci.h>
+#include <xen/pci_regs.h>
#include <asm/amd-iommu.h>
#include <asm/hvm/svm/amd-iommu-proto.h>
#include <asm/hvm/svm/amd-iommu-acpi.h>
#include <asm/mm.h>
-#include "../pci_regs.h"
struct list_head amd_iommu_head;
long amd_iommu_poll_comp_wait = COMPLETION_WAIT_DEFAULT_POLLING_COUNT;
diff -r 5e5bc5b2bb6d -r 8bced3d8a907 xen/drivers/passthrough/pci_regs.h
--- a/xen/drivers/passthrough/pci_regs.h Thu May 01 10:00:00 2008 +0100
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,530 +0,0 @@
-/*
- * pci_regs.h
- *
- * PCI standard defines
- * Copyright 1994, Drew Eckhardt
- * Copyright 1997--1999 Martin Mares <mj@xxxxxx>
- *
- * For more information, please consult the following manuals (look at
- * http://www.pcisig.com/ for how to get them):
- *
- * PCI BIOS Specification
- * PCI Local Bus Specification
- * PCI to PCI Bridge Specification
- * PCI System Design Guide
- *
- * For hypertransport information, please consult the following manuals
- * from http://www.hypertransport.org
- *
- * The Hypertransport I/O Link Specification
- */
-
-#ifndef LINUX_PCI_REGS_H
-#define LINUX_PCI_REGS_H
-
-/*
- * Under PCI, each device has 256 bytes of configuration address space,
- * of which the first 64 bytes are standardized as follows:
- */
-#define PCI_VENDOR_ID 0x00 /* 16 bits */
-#define PCI_DEVICE_ID 0x02 /* 16 bits */
-#define PCI_COMMAND 0x04 /* 16 bits */
-#define PCI_COMMAND_IO 0x1 /* Enable response in I/O space
*/
-#define PCI_COMMAND_MEMORY 0x2 /* Enable response in Memory space */
-#define PCI_COMMAND_MASTER 0x4 /* Enable bus mastering */
-#define PCI_COMMAND_SPECIAL 0x8 /* Enable response to special cycles */
-#define PCI_COMMAND_INVALIDATE 0x10 /* Use memory write and
invalidate */
-#define PCI_COMMAND_VGA_PALETTE 0x20 /* Enable palette snooping */
-#define PCI_COMMAND_PARITY 0x40 /* Enable parity checking */
-#define PCI_COMMAND_WAIT 0x80 /* Enable address/data stepping */
-#define PCI_COMMAND_SERR 0x100 /* Enable SERR */
-#define PCI_COMMAND_FAST_BACK 0x200 /* Enable back-to-back writes */
-#define PCI_COMMAND_INTX_DISABLE 0x400 /* INTx Emulation Disable */
-
-#define PCI_STATUS 0x06 /* 16 bits */
-#define PCI_STATUS_CAP_LIST 0x10 /* Support Capability List */
-#define PCI_STATUS_66MHZ 0x20 /* Support 66 Mhz PCI 2.1 bus */
-#define PCI_STATUS_UDF 0x40 /* Support User Definable
Features [obsolete] */
-#define PCI_STATUS_FAST_BACK 0x80 /* Accept fast-back to back */
-#define PCI_STATUS_PARITY 0x100 /* Detected parity error */
-#define PCI_STATUS_DEVSEL_MASK 0x600 /* DEVSEL timing */
-#define PCI_STATUS_DEVSEL_FAST 0x000
-#define PCI_STATUS_DEVSEL_MEDIUM 0x200
-#define PCI_STATUS_DEVSEL_SLOW 0x400
-#define PCI_STATUS_SIG_TARGET_ABORT 0x800 /* Set on target abort */
-#define PCI_STATUS_REC_TARGET_ABORT 0x1000 /* Master ack of " */
-#define PCI_STATUS_REC_MASTER_ABORT 0x2000 /* Set on master abort */
-#define PCI_STATUS_SIG_SYSTEM_ERROR 0x4000 /* Set when we drive SERR */
-#define PCI_STATUS_DETECTED_PARITY 0x8000 /* Set on parity error */
-
-#define PCI_CLASS_REVISION 0x08 /* High 24 bits are class, low 8
revision */
-#define PCI_REVISION_ID 0x08 /* Revision ID */
-#define PCI_CLASS_PROG 0x09 /* Reg. Level Programming Interface */
-#define PCI_CLASS_DEVICE 0x0a /* Device class */
-
-#define PCI_CACHE_LINE_SIZE 0x0c /* 8 bits */
-#define PCI_LATENCY_TIMER 0x0d /* 8 bits */
-#define PCI_HEADER_TYPE 0x0e /* 8 bits */
-#define PCI_HEADER_TYPE_NORMAL 0
-#define PCI_HEADER_TYPE_BRIDGE 1
-#define PCI_HEADER_TYPE_CARDBUS 2
-
-#define PCI_BIST 0x0f /* 8 bits */
-#define PCI_BIST_CODE_MASK 0x0f /* Return result */
-#define PCI_BIST_START 0x40 /* 1 to start BIST, 2 secs or
less */
-#define PCI_BIST_CAPABLE 0x80 /* 1 if BIST capable */
-
-/*
- * Base addresses specify locations in memory or I/O space.
- * Decoded size can be determined by writing a value of
- * 0xffffffff to the register, and reading it back. Only
- * 1 bits are decoded.
- */
-#define PCI_BASE_ADDRESS_0 0x10 /* 32 bits */
-#define PCI_BASE_ADDRESS_1 0x14 /* 32 bits [htype 0,1 only] */
-#define PCI_BASE_ADDRESS_2 0x18 /* 32 bits [htype 0 only] */
-#define PCI_BASE_ADDRESS_3 0x1c /* 32 bits */
-#define PCI_BASE_ADDRESS_4 0x20 /* 32 bits */
-#define PCI_BASE_ADDRESS_5 0x24 /* 32 bits */
-#define PCI_BASE_ADDRESS_SPACE 0x01 /* 0 = memory, 1 = I/O
*/
-#define PCI_BASE_ADDRESS_SPACE_IO 0x01
-#define PCI_BASE_ADDRESS_SPACE_MEMORY 0x00
-#define PCI_BASE_ADDRESS_MEM_TYPE_MASK 0x06
-#define PCI_BASE_ADDRESS_MEM_TYPE_32 0x00 /* 32 bit address */
-#define PCI_BASE_ADDRESS_MEM_TYPE_1M 0x02 /* Below 1M [obsolete] */
-#define PCI_BASE_ADDRESS_MEM_TYPE_64 0x04 /* 64 bit address */
-#define PCI_BASE_ADDRESS_MEM_PREFETCH 0x08 /* prefetchable? */
-#define PCI_BASE_ADDRESS_MEM_MASK (~0x0fUL)
-#define PCI_BASE_ADDRESS_IO_MASK (~0x03UL)
-/* bit 1 is reserved if address_space = 1 */
-
-/* Header type 0 (normal devices) */
-#define PCI_CARDBUS_CIS 0x28
-#define PCI_SUBSYSTEM_VENDOR_ID 0x2c
-#define PCI_SUBSYSTEM_ID 0x2e
-#define PCI_ROM_ADDRESS 0x30 /* Bits 31..11 are address,
10..1 reserved */
-#define PCI_ROM_ADDRESS_ENABLE 0x01
-#define PCI_ROM_ADDRESS_MASK (~0x7ffUL)
-
-#define PCI_CAPABILITY_LIST 0x34 /* Offset of first capability list
entry */
-
-/* 0x35-0x3b are reserved */
-#define PCI_INTERRUPT_LINE 0x3c /* 8 bits */
-#define PCI_INTERRUPT_PIN 0x3d /* 8 bits */
-#define PCI_MIN_GNT 0x3e /* 8 bits */
-#define PCI_MAX_LAT 0x3f /* 8 bits */
-
-/* Header type 1 (PCI-to-PCI bridges) */
-#define PCI_PRIMARY_BUS 0x18 /* Primary bus number */
-#define PCI_SECONDARY_BUS 0x19 /* Secondary bus number */
-#define PCI_SUBORDINATE_BUS 0x1a /* Highest bus number behind the bridge
*/
-#define PCI_SEC_LATENCY_TIMER 0x1b /* Latency timer for secondary
interface */
-#define PCI_IO_BASE 0x1c /* I/O range behind the bridge */
-#define PCI_IO_LIMIT 0x1d
-#define PCI_IO_RANGE_TYPE_MASK 0x0fUL /* I/O bridging type */
-#define PCI_IO_RANGE_TYPE_16 0x00
-#define PCI_IO_RANGE_TYPE_32 0x01
-#define PCI_IO_RANGE_MASK (~0x0fUL)
-#define PCI_SEC_STATUS 0x1e /* Secondary status register, only bit
14 used */
-#define PCI_MEMORY_BASE 0x20 /* Memory range behind */
-#define PCI_MEMORY_LIMIT 0x22
-#define PCI_MEMORY_RANGE_TYPE_MASK 0x0fUL
-#define PCI_MEMORY_RANGE_MASK (~0x0fUL)
-#define PCI_PREF_MEMORY_BASE 0x24 /* Prefetchable memory range behind */
-#define PCI_PREF_MEMORY_LIMIT 0x26
-#define PCI_PREF_RANGE_TYPE_MASK 0x0fUL
-#define PCI_PREF_RANGE_TYPE_32 0x00
-#define PCI_PREF_RANGE_TYPE_64 0x01
-#define PCI_PREF_RANGE_MASK (~0x0fUL)
-#define PCI_PREF_BASE_UPPER32 0x28 /* Upper half of prefetchable memory
range */
-#define PCI_PREF_LIMIT_UPPER32 0x2c
-#define PCI_IO_BASE_UPPER16 0x30 /* Upper half of I/O addresses */
-#define PCI_IO_LIMIT_UPPER16 0x32
-/* 0x34 same as for htype 0 */
-/* 0x35-0x3b is reserved */
-#define PCI_ROM_ADDRESS1 0x38 /* Same as PCI_ROM_ADDRESS, but for
htype 1 */
-/* 0x3c-0x3d are same as for htype 0 */
-#define PCI_BRIDGE_CONTROL 0x3e
-#define PCI_BRIDGE_CTL_PARITY 0x01 /* Enable parity detection on secondary
interface */
-#define PCI_BRIDGE_CTL_SERR 0x02 /* The same for SERR forwarding */
-#define PCI_BRIDGE_CTL_ISA 0x04 /* Enable ISA mode */
-#define PCI_BRIDGE_CTL_VGA 0x08 /* Forward VGA addresses */
-#define PCI_BRIDGE_CTL_MASTER_ABORT 0x20 /* Report master aborts */
-#define PCI_BRIDGE_CTL_BUS_RESET 0x40 /* Secondary bus reset */
-#define PCI_BRIDGE_CTL_FAST_BACK 0x80 /* Fast Back2Back enabled on
secondary interface */
-
-/* Header type 2 (CardBus bridges) */
-#define PCI_CB_CAPABILITY_LIST 0x14
-/* 0x15 reserved */
-#define PCI_CB_SEC_STATUS 0x16 /* Secondary status */
-#define PCI_CB_PRIMARY_BUS 0x18 /* PCI bus number */
-#define PCI_CB_CARD_BUS 0x19 /* CardBus bus number */
-#define PCI_CB_SUBORDINATE_BUS 0x1a /* Subordinate bus number */
-#define PCI_CB_LATENCY_TIMER 0x1b /* CardBus latency timer */
-#define PCI_CB_MEMORY_BASE_0 0x1c
-#define PCI_CB_MEMORY_LIMIT_0 0x20
-#define PCI_CB_MEMORY_BASE_1 0x24
-#define PCI_CB_MEMORY_LIMIT_1 0x28
-#define PCI_CB_IO_BASE_0 0x2c
-#define PCI_CB_IO_BASE_0_HI 0x2e
-#define PCI_CB_IO_LIMIT_0 0x30
-#define PCI_CB_IO_LIMIT_0_HI 0x32
-#define PCI_CB_IO_BASE_1 0x34
-#define PCI_CB_IO_BASE_1_HI 0x36
-#define PCI_CB_IO_LIMIT_1 0x38
-#define PCI_CB_IO_LIMIT_1_HI 0x3a
-#define PCI_CB_IO_RANGE_MASK (~0x03UL)
-/* 0x3c-0x3d are same as for htype 0 */
-#define PCI_CB_BRIDGE_CONTROL 0x3e
-#define PCI_CB_BRIDGE_CTL_PARITY 0x01 /* Similar to standard bridge
control register */
-#define PCI_CB_BRIDGE_CTL_SERR 0x02
-#define PCI_CB_BRIDGE_CTL_ISA 0x04
-#define PCI_CB_BRIDGE_CTL_VGA 0x08
-#define PCI_CB_BRIDGE_CTL_MASTER_ABORT 0x20
-#define PCI_CB_BRIDGE_CTL_CB_RESET 0x40 /* CardBus reset */
-#define PCI_CB_BRIDGE_CTL_16BIT_INT 0x80 /* Enable interrupt for 16-bit
cards */
-#define PCI_CB_BRIDGE_CTL_PREFETCH_MEM0 0x100 /* Prefetch enable for both
memory regions */
-#define PCI_CB_BRIDGE_CTL_PREFETCH_MEM1 0x200
-#define PCI_CB_BRIDGE_CTL_POST_WRITES 0x400
-#define PCI_CB_SUBSYSTEM_VENDOR_ID 0x40
-#define PCI_CB_SUBSYSTEM_ID 0x42
-#define PCI_CB_LEGACY_MODE_BASE 0x44 /* 16-bit PC Card
legacy mode base address (ExCa) */
-/* 0x48-0x7f reserved */
-
-/* Capability lists */
-
-#define PCI_CAP_LIST_ID 0 /* Capability ID */
-#define PCI_CAP_ID_PM 0x01 /* Power Management */
-#define PCI_CAP_ID_AGP 0x02 /* Accelerated Graphics Port */
-#define PCI_CAP_ID_VPD 0x03 /* Vital Product Data */
-#define PCI_CAP_ID_SLOTID 0x04 /* Slot Identification */
-#define PCI_CAP_ID_MSI 0x05 /* Message Signalled Interrupts
*/
-#define PCI_CAP_ID_CHSWP 0x06 /* CompactPCI HotSwap */
-#define PCI_CAP_ID_PCIX 0x07 /* PCI-X */
-#define PCI_CAP_ID_HT 0x08 /* HyperTransport */
-#define PCI_CAP_ID_VNDR 0x09 /* Vendor specific */
-#define PCI_CAP_ID_DBG 0x0A /* Debug port */
-#define PCI_CAP_ID_CCRC 0x0B /* CompactPCI Central Resource Control
*/
-#define PCI_CAP_ID_SHPC 0x0C /* PCI Standard Hot-Plug Controller */
-#define PCI_CAP_ID_SSVID 0x0D /* Bridge subsystem vendor/device ID */
-#define PCI_CAP_ID_AGP3 0x0E /* AGP Target PCI-PCI bridge */
-#define PCI_CAP_ID_EXP 0x10 /* PCI Express */
-#define PCI_CAP_ID_MSIX 0x11 /* MSI-X */
-#define PCI_CAP_LIST_NEXT 1 /* Next capability in the list */
-#define PCI_CAP_FLAGS 2 /* Capability defined flags (16 bits) */
-#define PCI_CAP_SIZEOF 4
-
-/* Power Management Registers */
-
-#define PCI_PM_PMC 2 /* PM Capabilities Register */
-#define PCI_PM_CAP_VER_MASK 0x0007 /* Version */
-#define PCI_PM_CAP_PME_CLOCK 0x0008 /* PME clock required */
-#define PCI_PM_CAP_RESERVED 0x0010 /* Reserved field */
-#define PCI_PM_CAP_DSI 0x0020 /* Device specific
initialization */
-#define PCI_PM_CAP_AUX_POWER 0x01C0 /* Auxilliary power support mask */
-#define PCI_PM_CAP_D1 0x0200 /* D1 power state support */
-#define PCI_PM_CAP_D2 0x0400 /* D2 power state support */
-#define PCI_PM_CAP_PME 0x0800 /* PME pin supported */
-#define PCI_PM_CAP_PME_MASK 0xF800 /* PME Mask of all supported states */
-#define PCI_PM_CAP_PME_D0 0x0800 /* PME# from D0 */
-#define PCI_PM_CAP_PME_D1 0x1000 /* PME# from D1 */
-#define PCI_PM_CAP_PME_D2 0x2000 /* PME# from D2 */
-#define PCI_PM_CAP_PME_D3 0x4000 /* PME# from D3 (hot) */
-#define PCI_PM_CAP_PME_D3cold 0x8000 /* PME# from D3 (cold) */
-#define PCI_PM_CTRL 4 /* PM control and status register */
-#define PCI_PM_CTRL_STATE_MASK 0x0003 /* Current power state (D0 to
D3) */
-#define PCI_PM_CTRL_NO_SOFT_RESET 0x0004 /* No reset for D3hot->D0 */
-#define PCI_PM_CTRL_PME_ENABLE 0x0100 /* PME pin enable */
-#define PCI_PM_CTRL_DATA_SEL_MASK 0x1e00 /* Data select (??) */
-#define PCI_PM_CTRL_DATA_SCALE_MASK 0x6000 /* Data scale (??) */
-#define PCI_PM_CTRL_PME_STATUS 0x8000 /* PME pin status */
-#define PCI_PM_PPB_EXTENSIONS 6 /* PPB support extensions (??) */
-#define PCI_PM_PPB_B2_B3 0x40 /* Stop clock when in D3hot (??) */
-#define PCI_PM_BPCC_ENABLE 0x80 /* Bus power/clock control enable (??)
*/
-#define PCI_PM_DATA_REGISTER 7 /* (??) */
-#define PCI_PM_SIZEOF 8
-
-/* AGP registers */
-
-#define PCI_AGP_VERSION 2 /* BCD version number */
-#define PCI_AGP_RFU 3 /* Rest of capability flags */
-#define PCI_AGP_STATUS 4 /* Status register */
-#define PCI_AGP_STATUS_RQ_MASK 0xff000000 /* Maximum number of
requests - 1 */
-#define PCI_AGP_STATUS_SBA 0x0200 /* Sideband addressing supported */
-#define PCI_AGP_STATUS_64BIT 0x0020 /* 64-bit addressing supported */
-#define PCI_AGP_STATUS_FW 0x0010 /* FW transfers supported */
-#define PCI_AGP_STATUS_RATE4 0x0004 /* 4x transfer rate supported */
-#define PCI_AGP_STATUS_RATE2 0x0002 /* 2x transfer rate supported */
-#define PCI_AGP_STATUS_RATE1 0x0001 /* 1x transfer rate supported */
-#define PCI_AGP_COMMAND 8 /* Control register */
-#define PCI_AGP_COMMAND_RQ_MASK 0xff000000 /* Master: Maximum number of
requests */
-#define PCI_AGP_COMMAND_SBA 0x0200 /* Sideband addressing enabled */
-#define PCI_AGP_COMMAND_AGP 0x0100 /* Allow processing of AGP transactions
*/
-#define PCI_AGP_COMMAND_64BIT 0x0020 /* Allow processing of 64-bit addresses
*/
-#define PCI_AGP_COMMAND_FW 0x0010 /* Force FW transfers */
-#define PCI_AGP_COMMAND_RATE4 0x0004 /* Use 4x rate */
-#define PCI_AGP_COMMAND_RATE2 0x0002 /* Use 2x rate */
-#define PCI_AGP_COMMAND_RATE1 0x0001 /* Use 1x rate */
-#define PCI_AGP_SIZEOF 12
-
-/* Vital Product Data */
-
-#define PCI_VPD_ADDR 2 /* Address to access (15 bits!) */
-#define PCI_VPD_ADDR_MASK 0x7fff /* Address mask */
-#define PCI_VPD_ADDR_F 0x8000 /* Write 0, 1 indicates
completion */
-#define PCI_VPD_DATA 4 /* 32-bits of data returned here */
-
-/* Slot Identification */
-
-#define PCI_SID_ESR 2 /* Expansion Slot Register */
-#define PCI_SID_ESR_NSLOTS 0x1f /* Number of expansion slots available
*/
-#define PCI_SID_ESR_FIC 0x20 /* First In Chassis Flag */
-#define PCI_SID_CHASSIS_NR 3 /* Chassis Number */
-
-/* Message Signalled Interrupts registers */
-
-#define PCI_MSI_FLAGS 2 /* Various flags */
-#define PCI_MSI_FLAGS_64BIT 0x80 /* 64-bit addresses allowed */
-#define PCI_MSI_FLAGS_QSIZE 0x70 /* Message queue size configured */
-#define PCI_MSI_FLAGS_QMASK 0x0e /* Maximum queue size available */
-#define PCI_MSI_FLAGS_ENABLE 0x01 /* MSI feature enabled */
-#define PCI_MSI_FLAGS_MASKBIT 0x100 /* 64-bit mask bits allowed */
-#define PCI_MSI_RFU 3 /* Rest of capability flags */
-#define PCI_MSI_ADDRESS_LO 4 /* Lower 32 bits */
-#define PCI_MSI_ADDRESS_HI 8 /* Upper 32 bits (if
PCI_MSI_FLAGS_64BIT set) */
-#define PCI_MSI_DATA_32 8 /* 16 bits of data for 32-bit
devices */
-#define PCI_MSI_DATA_64 12 /* 16 bits of data for 64-bit
devices */
-#define PCI_MSI_MASK_BIT 16 /* Mask bits register */
-
-/* MSI-X registers (these are at offset PCI_MSIX_FLAGS) */
-#define PCI_MSIX_FLAGS 2
-#define PCI_MSIX_FLAGS_QSIZE 0x7FF
-#define PCI_MSIX_FLAGS_ENABLE (1 << 15)
-#define PCI_MSIX_FLAGS_MASKALL (1 << 14)
-#define PCI_MSIX_FLAGS_BIRMASK (7 << 0)
-#define PCI_MSIX_FLAGS_BITMASK (1 << 0)
-
-/* CompactPCI Hotswap Register */
-
-#define PCI_CHSWP_CSR 2 /* Control and Status Register */
-#define PCI_CHSWP_DHA 0x01 /* Device Hiding Arm */
-#define PCI_CHSWP_EIM 0x02 /* ENUM# Signal Mask */
-#define PCI_CHSWP_PIE 0x04 /* Pending Insert or Extract */
-#define PCI_CHSWP_LOO 0x08 /* LED On / Off */
-#define PCI_CHSWP_PI 0x30 /* Programming Interface */
-#define PCI_CHSWP_EXT 0x40 /* ENUM# status - extraction */
-#define PCI_CHSWP_INS 0x80 /* ENUM# status - insertion */
-
-/* PCI-X registers */
-
-#define PCI_X_CMD 2 /* Modes & Features */
-#define PCI_X_CMD_DPERR_E 0x0001 /* Data Parity Error Recovery Enable */
-#define PCI_X_CMD_ERO 0x0002 /* Enable Relaxed Ordering */
-#define PCI_X_CMD_READ_512 0x0000 /* 512 byte maximum read byte count */
-#define PCI_X_CMD_READ_1K 0x0004 /* 1Kbyte maximum read byte count */
-#define PCI_X_CMD_READ_2K 0x0008 /* 2Kbyte maximum read byte count */
-#define PCI_X_CMD_READ_4K 0x000c /* 4Kbyte maximum read byte count */
-#define PCI_X_CMD_MAX_READ 0x000c /* Max Memory Read Byte Count */
- /* Max # of outstanding split transactions */
-#define PCI_X_CMD_SPLIT_1 0x0000 /* Max 1 */
-#define PCI_X_CMD_SPLIT_2 0x0010 /* Max 2 */
-#define PCI_X_CMD_SPLIT_3 0x0020 /* Max 3 */
-#define PCI_X_CMD_SPLIT_4 0x0030 /* Max 4 */
-#define PCI_X_CMD_SPLIT_8 0x0040 /* Max 8 */
-#define PCI_X_CMD_SPLIT_12 0x0050 /* Max 12 */
-#define PCI_X_CMD_SPLIT_16 0x0060 /* Max 16 */
-#define PCI_X_CMD_SPLIT_32 0x0070 /* Max 32 */
-#define PCI_X_CMD_MAX_SPLIT 0x0070 /* Max Outstanding Split Transactions */
-#define PCI_X_CMD_VERSION(x) (((x) >> 12) & 3) /* Version */
-#define PCI_X_STATUS 4 /* PCI-X capabilities */
-#define PCI_X_STATUS_DEVFN 0x000000ff /* A copy of devfn */
-#define PCI_X_STATUS_BUS 0x0000ff00 /* A copy of bus nr */
-#define PCI_X_STATUS_64BIT 0x00010000 /* 64-bit device */
-#define PCI_X_STATUS_133MHZ 0x00020000 /* 133 MHz capable */
-#define PCI_X_STATUS_SPL_DISC 0x00040000 /* Split Completion Discarded */
-#define PCI_X_STATUS_UNX_SPL 0x00080000 /* Unexpected Split Completion
*/
-#define PCI_X_STATUS_COMPLEX 0x00100000 /* Device Complexity */
-#define PCI_X_STATUS_MAX_READ 0x00600000 /* Designed Max Memory Read
Count */
-#define PCI_X_STATUS_MAX_SPLIT 0x03800000 /* Designed Max
Outstanding Split Transactions */
-#define PCI_X_STATUS_MAX_CUM 0x1c000000 /* Designed Max Cumulative Read
Size */
-#define PCI_X_STATUS_SPL_ERR 0x20000000 /* Rcvd Split Completion Error
Msg */
-#define PCI_X_STATUS_266MHZ 0x40000000 /* 266 MHz capable */
-#define PCI_X_STATUS_533MHZ 0x80000000 /* 533 MHz capable */
-
-/* PCI Express capability registers */
-
-#define PCI_EXP_FLAGS 2 /* Capabilities register */
-#define PCI_EXP_FLAGS_VERS 0x000f /* Capability version */
-#define PCI_EXP_FLAGS_TYPE 0x00f0 /* Device/Port type */
-#define PCI_EXP_TYPE_ENDPOINT 0x0 /* Express Endpoint */
-#define PCI_EXP_TYPE_LEG_END 0x1 /* Legacy Endpoint */
-#define PCI_EXP_TYPE_ROOT_PORT 0x4 /* Root Port */
-#define PCI_EXP_TYPE_UPSTREAM 0x5 /* Upstream Port */
-#define PCI_EXP_TYPE_DOWNSTREAM 0x6 /* Downstream Port */
-#define PCI_EXP_TYPE_PCI_BRIDGE 0x7 /* PCI/PCI-X Bridge */
-#define PCI_EXP_FLAGS_SLOT 0x0100 /* Slot implemented */
-#define PCI_EXP_FLAGS_IRQ 0x3e00 /* Interrupt message number */
-#define PCI_EXP_DEVCAP 4 /* Device capabilities */
-#define PCI_EXP_DEVCAP_PAYLOAD 0x07 /* Max_Payload_Size */
-#define PCI_EXP_DEVCAP_PHANTOM 0x18 /* Phantom functions */
-#define PCI_EXP_DEVCAP_EXT_TAG 0x20 /* Extended tags */
-#define PCI_EXP_DEVCAP_L0S 0x1c0 /* L0s Acceptable Latency */
-#define PCI_EXP_DEVCAP_L1 0xe00 /* L1 Acceptable Latency */
-#define PCI_EXP_DEVCAP_ATN_BUT 0x1000 /* Attention Button Present */
-#define PCI_EXP_DEVCAP_ATN_IND 0x2000 /* Attention Indicator Present
*/
-#define PCI_EXP_DEVCAP_PWR_IND 0x4000 /* Power Indicator Present */
-#define PCI_EXP_DEVCAP_PWR_VAL 0x3fc0000 /* Slot Power Limit Value */
-#define PCI_EXP_DEVCAP_PWR_SCL 0xc000000 /* Slot Power Limit Scale */
-#define PCI_EXP_DEVCTL 8 /* Device Control */
-#define PCI_EXP_DEVCTL_CERE 0x0001 /* Correctable Error Reporting En. */
-#define PCI_EXP_DEVCTL_NFERE 0x0002 /* Non-Fatal Error Reporting Enable */
-#define PCI_EXP_DEVCTL_FERE 0x0004 /* Fatal Error Reporting Enable */
-#define PCI_EXP_DEVCTL_URRE 0x0008 /* Unsupported Request Reporting En. */
-#define PCI_EXP_DEVCTL_RELAX_EN 0x0010 /* Enable relaxed ordering */
-#define PCI_EXP_DEVCTL_PAYLOAD 0x00e0 /* Max_Payload_Size */
-#define PCI_EXP_DEVCTL_EXT_TAG 0x0100 /* Extended Tag Field Enable */
-#define PCI_EXP_DEVCTL_PHANTOM 0x0200 /* Phantom Functions Enable */
-#define PCI_EXP_DEVCTL_AUX_PME 0x0400 /* Auxiliary Power PM Enable */
-#define PCI_EXP_DEVCTL_NOSNOOP_EN 0x0800 /* Enable No Snoop */
-#define PCI_EXP_DEVCTL_READRQ 0x7000 /* Max_Read_Request_Size */
-#define PCI_EXP_DEVSTA 10 /* Device Status */
-#define PCI_EXP_DEVSTA_CED 0x01 /* Correctable Error Detected */
-#define PCI_EXP_DEVSTA_NFED 0x02 /* Non-Fatal Error Detected */
-#define PCI_EXP_DEVSTA_FED 0x04 /* Fatal Error Detected */
-#define PCI_EXP_DEVSTA_URD 0x08 /* Unsupported Request Detected */
-#define PCI_EXP_DEVSTA_AUXPD 0x10 /* AUX Power Detected */
-#define PCI_EXP_DEVSTA_TRPND 0x20 /* Transactions Pending */
-#define PCI_EXP_LNKCAP 12 /* Link Capabilities */
-#define PCI_EXP_LNKCTL 16 /* Link Control */
-#define PCI_EXP_LNKCTL_CLKREQ_EN 0x100 /* Enable clkreq */
-#define PCI_EXP_LNKSTA 18 /* Link Status */
-#define PCI_EXP_SLTCAP 20 /* Slot Capabilities */
-#define PCI_EXP_SLTCTL 24 /* Slot Control */
-#define PCI_EXP_SLTSTA 26 /* Slot Status */
-#define PCI_EXP_RTCTL 28 /* Root Control */
-#define PCI_EXP_RTCTL_SECEE 0x01 /* System Error on Correctable Error */
-#define PCI_EXP_RTCTL_SENFEE 0x02 /* System Error on Non-Fatal Error */
-#define PCI_EXP_RTCTL_SEFEE 0x04 /* System Error on Fatal Error */
-#define PCI_EXP_RTCTL_PMEIE 0x08 /* PME Interrupt Enable */
-#define PCI_EXP_RTCTL_CRSSVE 0x10 /* CRS Software Visibility Enable */
-#define PCI_EXP_RTCAP 30 /* Root Capabilities */
-#define PCI_EXP_RTSTA 32 /* Root Status */
-
-/* Extended Capabilities (PCI-X 2.0 and Express) */
-#define PCI_EXT_CAP_ID(header) (header & 0x0000ffff)
-#define PCI_EXT_CAP_VER(header) ((header >> 16) & 0xf)
-#define PCI_EXT_CAP_NEXT(header) ((header >> 20) & 0xffc)
-
-#define PCI_EXT_CAP_ID_ERR 1
-#define PCI_EXT_CAP_ID_VC 2
-#define PCI_EXT_CAP_ID_DSN 3
-#define PCI_EXT_CAP_ID_PWR 4
-
-/* Advanced Error Reporting */
-#define PCI_ERR_UNCOR_STATUS 4 /* Uncorrectable Error Status */
-#define PCI_ERR_UNC_TRAIN 0x00000001 /* Training */
-#define PCI_ERR_UNC_DLP 0x00000010 /* Data Link Protocol */
-#define PCI_ERR_UNC_POISON_TLP 0x00001000 /* Poisoned TLP */
-#define PCI_ERR_UNC_FCP 0x00002000 /* Flow Control Protocol */
-#define PCI_ERR_UNC_COMP_TIME 0x00004000 /* Completion Timeout */
-#define PCI_ERR_UNC_COMP_ABORT 0x00008000 /* Completer Abort */
-#define PCI_ERR_UNC_UNX_COMP 0x00010000 /* Unexpected Completion */
-#define PCI_ERR_UNC_RX_OVER 0x00020000 /* Receiver Overflow */
-#define PCI_ERR_UNC_MALF_TLP 0x00040000 /* Malformed TLP */
-#define PCI_ERR_UNC_ECRC 0x00080000 /* ECRC Error Status */
-#define PCI_ERR_UNC_UNSUP 0x00100000 /* Unsupported Request */
-#define PCI_ERR_UNCOR_MASK 8 /* Uncorrectable Error Mask */
- /* Same bits as above */
-#define PCI_ERR_UNCOR_SEVER 12 /* Uncorrectable Error Severity */
- /* Same bits as above */
-#define PCI_ERR_COR_STATUS 16 /* Correctable Error Status */
-#define PCI_ERR_COR_RCVR 0x00000001 /* Receiver Error Status */
-#define PCI_ERR_COR_BAD_TLP 0x00000040 /* Bad TLP Status */
-#define PCI_ERR_COR_BAD_DLLP 0x00000080 /* Bad DLLP Status */
-#define PCI_ERR_COR_REP_ROLL 0x00000100 /* REPLAY_NUM Rollover */
-#define PCI_ERR_COR_REP_TIMER 0x00001000 /* Replay Timer Timeout */
-#define PCI_ERR_COR_MASK 20 /* Correctable Error Mask */
- /* Same bits as above */
-#define PCI_ERR_CAP 24 /* Advanced Error Capabilities */
-#define PCI_ERR_CAP_FEP(x) ((x) & 31) /* First Error Pointer */
-#define PCI_ERR_CAP_ECRC_GENC 0x00000020 /* ECRC Generation Capable */
-#define PCI_ERR_CAP_ECRC_GENE 0x00000040 /* ECRC Generation Enable */
-#define PCI_ERR_CAP_ECRC_CHKC 0x00000080 /* ECRC Check Capable */
-#define PCI_ERR_CAP_ECRC_CHKE 0x00000100 /* ECRC Check Enable */
-#define PCI_ERR_HEADER_LOG 28 /* Header Log Register (16 bytes) */
-#define PCI_ERR_ROOT_COMMAND 44 /* Root Error Command */
-/* Correctable Err Reporting Enable */
-#define PCI_ERR_ROOT_CMD_COR_EN 0x00000001
-/* Non-fatal Err Reporting Enable */
-#define PCI_ERR_ROOT_CMD_NONFATAL_EN 0x00000002
-/* Fatal Err Reporting Enable */
-#define PCI_ERR_ROOT_CMD_FATAL_EN 0x00000004
-#define PCI_ERR_ROOT_STATUS 48
-#define PCI_ERR_ROOT_COR_RCV 0x00000001 /* ERR_COR Received */
-/* Multi ERR_COR Received */
-#define PCI_ERR_ROOT_MULTI_COR_RCV 0x00000002
-/* ERR_FATAL/NONFATAL Recevied */
-#define PCI_ERR_ROOT_UNCOR_RCV 0x00000004
-/* Multi ERR_FATAL/NONFATAL Recevied */
-#define PCI_ERR_ROOT_MULTI_UNCOR_RCV 0x00000008
-#define PCI_ERR_ROOT_FIRST_FATAL 0x00000010 /* First Fatal */
-#define PCI_ERR_ROOT_NONFATAL_RCV 0x00000020 /* Non-Fatal Received */
-#define PCI_ERR_ROOT_FATAL_RCV 0x00000040 /* Fatal Received */
-#define PCI_ERR_ROOT_COR_SRC 52
-#define PCI_ERR_ROOT_SRC 54
-
-/* Virtual Channel */
-#define PCI_VC_PORT_REG1 4
-#define PCI_VC_PORT_REG2 8
-#define PCI_VC_PORT_CTRL 12
-#define PCI_VC_PORT_STATUS 14
-#define PCI_VC_RES_CAP 16
-#define PCI_VC_RES_CTRL 20
-#define PCI_VC_RES_STATUS 26
-
-/* Power Budgeting */
-#define PCI_PWR_DSR 4 /* Data Select Register */
-#define PCI_PWR_DATA 8 /* Data Register */
-#define PCI_PWR_DATA_BASE(x) ((x) & 0xff) /* Base Power */
-#define PCI_PWR_DATA_SCALE(x) (((x) >> 8) & 3) /* Data Scale */
-#define PCI_PWR_DATA_PM_SUB(x) (((x) >> 10) & 7) /* PM Sub State */
-#define PCI_PWR_DATA_PM_STATE(x) (((x) >> 13) & 3) /* PM State */
-#define PCI_PWR_DATA_TYPE(x) (((x) >> 15) & 7) /* Type */
-#define PCI_PWR_DATA_RAIL(x) (((x) >> 18) & 7) /* Power Rail */
-#define PCI_PWR_CAP 12 /* Capability */
-#define PCI_PWR_CAP_BUDGET(x) ((x) & 1) /* Included in system budget */
-
-/*
- * Hypertransport sub capability types
- *
- * Unfortunately there are both 3 bit and 5 bit capability types defined
- * in the HT spec, catering for that is a little messy. You probably don't
- * want to use these directly, just use pci_find_ht_capability() and it
- * will do the right thing for you.
- */
-#define HT_3BIT_CAP_MASK 0xE0
-#define HT_CAPTYPE_SLAVE 0x00 /* Slave/Primary link configuration */
-#define HT_CAPTYPE_HOST 0x20 /* Host/Secondary link
configuration */
-
-#define HT_5BIT_CAP_MASK 0xF8
-#define HT_CAPTYPE_IRQ 0x80 /* IRQ Configuration */
-#define HT_CAPTYPE_REMAPPING_40 0xA0 /* 40 bit address remapping */
-#define HT_CAPTYPE_REMAPPING_64 0xA2 /* 64 bit address remapping */
-#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 */
-#define HT_CAPTYPE_GEN3 0xD0 /* Generation 3 hypertransport
configuration */
-#define HT_CAPTYPE_PM 0xE0 /* Hypertransport powermanagement
configuration */
-
-
-#endif /* LINUX_PCI_REGS_H */
diff -r 5e5bc5b2bb6d -r 8bced3d8a907 xen/drivers/passthrough/vtd/dmar.c
--- a/xen/drivers/passthrough/vtd/dmar.c Thu May 01 10:00:00 2008 +0100
+++ b/xen/drivers/passthrough/vtd/dmar.c Thu May 01 10:26:58 2008 +0100
@@ -26,9 +26,9 @@
#include <xen/mm.h>
#include <xen/xmalloc.h>
#include <xen/pci.h>
+#include <xen/pci_regs.h>
#include <asm/string.h>
#include "dmar.h"
-#include "../pci_regs.h"
int vtd_enabled = 1;
diff -r 5e5bc5b2bb6d -r 8bced3d8a907 xen/drivers/passthrough/vtd/intremap.c
--- a/xen/drivers/passthrough/vtd/intremap.c Thu May 01 10:00:00 2008 +0100
+++ b/xen/drivers/passthrough/vtd/intremap.c Thu May 01 10:26:58 2008 +0100
@@ -23,10 +23,10 @@
#include <xen/iommu.h>
#include <xen/time.h>
#include <xen/pci.h>
+#include <xen/pci_regs.h>
#include "iommu.h"
#include "dmar.h"
#include "vtd.h"
-#include "../pci_regs.h"
#include "msi.h"
#include "extern.h"
diff -r 5e5bc5b2bb6d -r 8bced3d8a907 xen/drivers/passthrough/vtd/iommu.c
--- a/xen/drivers/passthrough/vtd/iommu.c Thu May 01 10:00:00 2008 +0100
+++ b/xen/drivers/passthrough/vtd/iommu.c Thu May 01 10:26:58 2008 +0100
@@ -27,10 +27,10 @@
#include <xen/numa.h>
#include <xen/time.h>
#include <xen/pci.h>
+#include <xen/pci_regs.h>
#include <asm/paging.h>
#include "iommu.h"
#include "dmar.h"
-#include "../pci_regs.h"
#include "msi.h"
#include "extern.h"
#include "vtd.h"
@@ -1182,31 +1182,6 @@ static int domain_context_mapping_one(
return 0;
}
-static int __pci_find_next_cap(u8 bus, unsigned int devfn, u8 pos, int cap)
-{
- u8 id;
- int ttl = 48;
-
- while ( ttl-- )
- {
- pos = pci_conf_read8(bus, PCI_SLOT(devfn), PCI_FUNC(devfn), pos);
- if ( pos < 0x40 )
- break;
-
- pos &= ~3;
- id = pci_conf_read8(bus, PCI_SLOT(devfn), PCI_FUNC(devfn),
- pos + PCI_CAP_LIST_ID);
-
- if ( id == 0xff )
- break;
- if ( id == cap )
- return pos;
-
- pos += PCI_CAP_LIST_NEXT;
- }
- return 0;
-}
-
#define PCI_BASE_CLASS_BRIDGE 0x06
#define PCI_CLASS_BRIDGE_PCI 0x0604
@@ -1230,7 +1205,7 @@ int pdev_type(struct pci_dev *dev)
if ( !(status & PCI_STATUS_CAP_LIST) )
return DEV_TYPE_PCI;
- if ( __pci_find_next_cap(dev->bus, dev->devfn,
+ if ( pci_find_next_cap(dev->bus, dev->devfn,
PCI_CAPABILITY_LIST, PCI_CAP_ID_EXP) )
return DEV_TYPE_PCIe_ENDPOINT;
diff -r 5e5bc5b2bb6d -r 8bced3d8a907 xen/drivers/passthrough/vtd/qinval.c
--- a/xen/drivers/passthrough/vtd/qinval.c Thu May 01 10:00:00 2008 +0100
+++ b/xen/drivers/passthrough/vtd/qinval.c Thu May 01 10:26:58 2008 +0100
@@ -23,10 +23,10 @@
#include <xen/iommu.h>
#include <xen/time.h>
#include <xen/pci.h>
+#include <xen/pci_regs.h>
#include "iommu.h"
#include "dmar.h"
#include "vtd.h"
-#include "../pci_regs.h"
#include "msi.h"
#include "extern.h"
diff -r 5e5bc5b2bb6d -r 8bced3d8a907 xen/drivers/passthrough/vtd/utils.c
--- a/xen/drivers/passthrough/vtd/utils.c Thu May 01 10:00:00 2008 +0100
+++ b/xen/drivers/passthrough/vtd/utils.c Thu May 01 10:26:58 2008 +0100
@@ -22,9 +22,9 @@
#include <xen/iommu.h>
#include <xen/time.h>
#include <xen/pci.h>
+#include <xen/pci_regs.h>
#include "iommu.h"
#include "dmar.h"
-#include "../pci_regs.h"
#include "msi.h"
#include "vtd.h"
@@ -96,37 +96,6 @@ void disable_pmr(struct iommu *iommu)
"Disabled protected memory registers\n");
}
-static u8 find_cap_offset(u8 bus, u8 dev, u8 func, u8 cap)
-{
- u8 id;
- int max_cap = 48;
- u8 pos = PCI_CAPABILITY_LIST;
- u16 status;
-
- status = pci_conf_read16(bus, dev, func, PCI_STATUS);
- if ( (status & PCI_STATUS_CAP_LIST) == 0 )
- return 0;
-
- while ( max_cap-- )
- {
- pos = pci_conf_read8(bus, dev, func, pos);
- if ( pos < 0x40 )
- break;
-
- pos &= ~3;
- id = pci_conf_read8(bus, dev, func, pos + PCI_CAP_LIST_ID);
-
- if ( id == 0xff )
- break;
- else if ( id == cap )
- return pos;
-
- pos += PCI_CAP_LIST_NEXT;
- }
-
- return 0;
-}
-
#define PCI_D3hot (3)
#define PCI_CONFIG_DWORD_SIZE (64)
#define PCI_EXP_DEVCAP_FLR (1 << 28)
@@ -140,7 +109,7 @@ void pdev_flr(u8 bus, u8 devfn)
u8 dev = PCI_SLOT(devfn);
u8 func = PCI_FUNC(devfn);
- pos = find_cap_offset(bus, dev, func, PCI_CAP_ID_EXP);
+ pos = pci_find_cap_offset(bus, dev, func, PCI_CAP_ID_EXP);
if ( pos != 0 )
{
dev_cap = pci_conf_read32(bus, dev, func, pos + PCI_EXP_DEVCAP);
@@ -163,7 +132,7 @@ void pdev_flr(u8 bus, u8 devfn)
*/
if ( flr == 0 )
{
- pos = find_cap_offset(bus, dev, func, PCI_CAP_ID_PM);
+ pos = pci_find_cap_offset(bus, dev, func, PCI_CAP_ID_PM);
if ( pos != 0 )
{
int i;
diff -r 5e5bc5b2bb6d -r 8bced3d8a907 xen/include/xen/iommu.h
--- a/xen/include/xen/iommu.h Thu May 01 10:00:00 2008 +0100
+++ b/xen/include/xen/iommu.h Thu May 01 10:26:58 2008 +0100
@@ -21,7 +21,7 @@
#define _IOMMU_H_
#include <xen/init.h>
-#include <xen/list.h>
+#include <xen/pci.h>
#include <xen/spinlock.h>
#include <public/hvm/ioreq.h>
#include <public/domctl.h>
@@ -38,25 +38,6 @@ extern int iommu_enabled;
#define PAGE_SIZE_4K (1UL << PAGE_SHIFT_4K)
#define PAGE_MASK_4K (((u64)-1) << PAGE_SHIFT_4K)
#define PAGE_ALIGN_4K(addr) (((addr) + PAGE_SIZE_4K - 1) & PAGE_MASK_4K)
-
-/*
- * The PCI interface treats multi-function devices as independent
- * devices. The slot/function address of each device is encoded
- * in a single byte as follows:
- *
- * 15:8 = bus
- * 7:3 = slot
- * 2:0 = function
- */
-#define PCI_DEVFN(slot,func) (((slot & 0x1f) << 3) | (func & 0x07))
-#define PCI_SLOT(devfn) (((devfn) >> 3) & 0x1f)
-#define PCI_FUNC(devfn) ((devfn) & 0x07)
-
-struct pci_dev {
- struct list_head list;
- u8 bus;
- u8 devfn;
-};
struct iommu {
struct list_head list;
diff -r 5e5bc5b2bb6d -r 8bced3d8a907 xen/include/xen/pci.h
--- a/xen/include/xen/pci.h Thu May 01 10:00:00 2008 +0100
+++ b/xen/include/xen/pci.h Thu May 01 10:26:58 2008 +0100
@@ -9,6 +9,26 @@
#include <xen/config.h>
#include <xen/types.h>
+#include <xen/list.h>
+
+/*
+ * The PCI interface treats multi-function devices as independent
+ * devices. The slot/function address of each device is encoded
+ * in a single byte as follows:
+ *
+ * 15:8 = bus
+ * 7:3 = slot
+ * 2:0 = function
+ */
+#define PCI_DEVFN(slot,func) (((slot & 0x1f) << 3) | (func & 0x07))
+#define PCI_SLOT(devfn) (((devfn) >> 3) & 0x1f)
+#define PCI_FUNC(devfn) ((devfn) & 0x07)
+
+struct pci_dev {
+ struct list_head list;
+ u8 bus;
+ u8 devfn;
+};
uint8_t pci_conf_read8(
unsigned int bus, unsigned int dev, unsigned int func, unsigned int reg);
@@ -25,5 +45,7 @@ void pci_conf_write32(
void pci_conf_write32(
unsigned int bus, unsigned int dev, unsigned int func, unsigned int reg,
uint32_t data);
+int pci_find_cap_offset(u8 bus, u8 dev, u8 func, u8 cap);
+int pci_find_next_cap(u8 bus, unsigned int devfn, u8 pos, int cap);
#endif /* __XEN_PCI_H__ */
diff -r 5e5bc5b2bb6d -r 8bced3d8a907 xen/include/xen/pci_regs.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/xen/include/xen/pci_regs.h Thu May 01 10:26:58 2008 +0100
@@ -0,0 +1,530 @@
+/*
+ * pci_regs.h
+ *
+ * PCI standard defines
+ * Copyright 1994, Drew Eckhardt
+ * Copyright 1997--1999 Martin Mares <mj@xxxxxx>
+ *
+ * For more information, please consult the following manuals (look at
+ * http://www.pcisig.com/ for how to get them):
+ *
+ * PCI BIOS Specification
+ * PCI Local Bus Specification
+ * PCI to PCI Bridge Specification
+ * PCI System Design Guide
+ *
+ * For hypertransport information, please consult the following manuals
+ * from http://www.hypertransport.org
+ *
+ * The Hypertransport I/O Link Specification
+ */
+
+#ifndef LINUX_PCI_REGS_H
+#define LINUX_PCI_REGS_H
+
+/*
+ * Under PCI, each device has 256 bytes of configuration address space,
+ * of which the first 64 bytes are standardized as follows:
+ */
+#define PCI_VENDOR_ID 0x00 /* 16 bits */
+#define PCI_DEVICE_ID 0x02 /* 16 bits */
+#define PCI_COMMAND 0x04 /* 16 bits */
+#define PCI_COMMAND_IO 0x1 /* Enable response in I/O space
*/
+#define PCI_COMMAND_MEMORY 0x2 /* Enable response in Memory space */
+#define PCI_COMMAND_MASTER 0x4 /* Enable bus mastering */
+#define PCI_COMMAND_SPECIAL 0x8 /* Enable response to special cycles */
+#define PCI_COMMAND_INVALIDATE 0x10 /* Use memory write and
invalidate */
+#define PCI_COMMAND_VGA_PALETTE 0x20 /* Enable palette snooping */
+#define PCI_COMMAND_PARITY 0x40 /* Enable parity checking */
+#define PCI_COMMAND_WAIT 0x80 /* Enable address/data stepping */
+#define PCI_COMMAND_SERR 0x100 /* Enable SERR */
+#define PCI_COMMAND_FAST_BACK 0x200 /* Enable back-to-back writes */
+#define PCI_COMMAND_INTX_DISABLE 0x400 /* INTx Emulation Disable */
+
+#define PCI_STATUS 0x06 /* 16 bits */
+#define PCI_STATUS_CAP_LIST 0x10 /* Support Capability List */
+#define PCI_STATUS_66MHZ 0x20 /* Support 66 Mhz PCI 2.1 bus */
+#define PCI_STATUS_UDF 0x40 /* Support User Definable
Features [obsolete] */
+#define PCI_STATUS_FAST_BACK 0x80 /* Accept fast-back to back */
+#define PCI_STATUS_PARITY 0x100 /* Detected parity error */
+#define PCI_STATUS_DEVSEL_MASK 0x600 /* DEVSEL timing */
+#define PCI_STATUS_DEVSEL_FAST 0x000
+#define PCI_STATUS_DEVSEL_MEDIUM 0x200
+#define PCI_STATUS_DEVSEL_SLOW 0x400
+#define PCI_STATUS_SIG_TARGET_ABORT 0x800 /* Set on target abort */
+#define PCI_STATUS_REC_TARGET_ABORT 0x1000 /* Master ack of " */
+#define PCI_STATUS_REC_MASTER_ABORT 0x2000 /* Set on master abort */
+#define PCI_STATUS_SIG_SYSTEM_ERROR 0x4000 /* Set when we drive SERR */
+#define PCI_STATUS_DETECTED_PARITY 0x8000 /* Set on parity error */
+
+#define PCI_CLASS_REVISION 0x08 /* High 24 bits are class, low 8
revision */
+#define PCI_REVISION_ID 0x08 /* Revision ID */
+#define PCI_CLASS_PROG 0x09 /* Reg. Level Programming Interface */
+#define PCI_CLASS_DEVICE 0x0a /* Device class */
+
+#define PCI_CACHE_LINE_SIZE 0x0c /* 8 bits */
+#define PCI_LATENCY_TIMER 0x0d /* 8 bits */
+#define PCI_HEADER_TYPE 0x0e /* 8 bits */
+#define PCI_HEADER_TYPE_NORMAL 0
+#define PCI_HEADER_TYPE_BRIDGE 1
+#define PCI_HEADER_TYPE_CARDBUS 2
+
+#define PCI_BIST 0x0f /* 8 bits */
+#define PCI_BIST_CODE_MASK 0x0f /* Return result */
+#define PCI_BIST_START 0x40 /* 1 to start BIST, 2 secs or
less */
+#define PCI_BIST_CAPABLE 0x80 /* 1 if BIST capable */
+
+/*
+ * Base addresses specify locations in memory or I/O space.
+ * Decoded size can be determined by writing a value of
+ * 0xffffffff to the register, and reading it back. Only
+ * 1 bits are decoded.
+ */
+#define PCI_BASE_ADDRESS_0 0x10 /* 32 bits */
+#define PCI_BASE_ADDRESS_1 0x14 /* 32 bits [htype 0,1 only] */
+#define PCI_BASE_ADDRESS_2 0x18 /* 32 bits [htype 0 only] */
+#define PCI_BASE_ADDRESS_3 0x1c /* 32 bits */
+#define PCI_BASE_ADDRESS_4 0x20 /* 32 bits */
+#define PCI_BASE_ADDRESS_5 0x24 /* 32 bits */
+#define PCI_BASE_ADDRESS_SPACE 0x01 /* 0 = memory, 1 = I/O
*/
+#define PCI_BASE_ADDRESS_SPACE_IO 0x01
+#define PCI_BASE_ADDRESS_SPACE_MEMORY 0x00
+#define PCI_BASE_ADDRESS_MEM_TYPE_MASK 0x06
+#define PCI_BASE_ADDRESS_MEM_TYPE_32 0x00 /* 32 bit address */
+#define PCI_BASE_ADDRESS_MEM_TYPE_1M 0x02 /* Below 1M [obsolete] */
+#define PCI_BASE_ADDRESS_MEM_TYPE_64 0x04 /* 64 bit address */
+#define PCI_BASE_ADDRESS_MEM_PREFETCH 0x08 /* prefetchable? */
+#define PCI_BASE_ADDRESS_MEM_MASK (~0x0fUL)
+#define PCI_BASE_ADDRESS_IO_MASK (~0x03UL)
+/* bit 1 is reserved if address_space = 1 */
+
+/* Header type 0 (normal devices) */
+#define PCI_CARDBUS_CIS 0x28
+#define PCI_SUBSYSTEM_VENDOR_ID 0x2c
+#define PCI_SUBSYSTEM_ID 0x2e
+#define PCI_ROM_ADDRESS 0x30 /* Bits 31..11 are address,
10..1 reserved */
+#define PCI_ROM_ADDRESS_ENABLE 0x01
+#define PCI_ROM_ADDRESS_MASK (~0x7ffUL)
+
+#define PCI_CAPABILITY_LIST 0x34 /* Offset of first capability list
entry */
+
+/* 0x35-0x3b are reserved */
+#define PCI_INTERRUPT_LINE 0x3c /* 8 bits */
+#define PCI_INTERRUPT_PIN 0x3d /* 8 bits */
+#define PCI_MIN_GNT 0x3e /* 8 bits */
+#define PCI_MAX_LAT 0x3f /* 8 bits */
+
+/* Header type 1 (PCI-to-PCI bridges) */
+#define PCI_PRIMARY_BUS 0x18 /* Primary bus number */
+#define PCI_SECONDARY_BUS 0x19 /* Secondary bus number */
+#define PCI_SUBORDINATE_BUS 0x1a /* Highest bus number behind the bridge
*/
+#define PCI_SEC_LATENCY_TIMER 0x1b /* Latency timer for secondary
interface */
+#define PCI_IO_BASE 0x1c /* I/O range behind the bridge */
+#define PCI_IO_LIMIT 0x1d
+#define PCI_IO_RANGE_TYPE_MASK 0x0fUL /* I/O bridging type */
+#define PCI_IO_RANGE_TYPE_16 0x00
+#define PCI_IO_RANGE_TYPE_32 0x01
+#define PCI_IO_RANGE_MASK (~0x0fUL)
+#define PCI_SEC_STATUS 0x1e /* Secondary status register, only bit
14 used */
+#define PCI_MEMORY_BASE 0x20 /* Memory range behind */
+#define PCI_MEMORY_LIMIT 0x22
+#define PCI_MEMORY_RANGE_TYPE_MASK 0x0fUL
+#define PCI_MEMORY_RANGE_MASK (~0x0fUL)
+#define PCI_PREF_MEMORY_BASE 0x24 /* Prefetchable memory range behind */
+#define PCI_PREF_MEMORY_LIMIT 0x26
+#define PCI_PREF_RANGE_TYPE_MASK 0x0fUL
+#define PCI_PREF_RANGE_TYPE_32 0x00
+#define PCI_PREF_RANGE_TYPE_64 0x01
+#define PCI_PREF_RANGE_MASK (~0x0fUL)
+#define PCI_PREF_BASE_UPPER32 0x28 /* Upper half of prefetchable memory
range */
+#define PCI_PREF_LIMIT_UPPER32 0x2c
+#define PCI_IO_BASE_UPPER16 0x30 /* Upper half of I/O addresses */
+#define PCI_IO_LIMIT_UPPER16 0x32
+/* 0x34 same as for htype 0 */
+/* 0x35-0x3b is reserved */
+#define PCI_ROM_ADDRESS1 0x38 /* Same as PCI_ROM_ADDRESS, but for
htype 1 */
+/* 0x3c-0x3d are same as for htype 0 */
+#define PCI_BRIDGE_CONTROL 0x3e
+#define PCI_BRIDGE_CTL_PARITY 0x01 /* Enable parity detection on secondary
interface */
+#define PCI_BRIDGE_CTL_SERR 0x02 /* The same for SERR forwarding */
+#define PCI_BRIDGE_CTL_ISA 0x04 /* Enable ISA mode */
+#define PCI_BRIDGE_CTL_VGA 0x08 /* Forward VGA addresses */
+#define PCI_BRIDGE_CTL_MASTER_ABORT 0x20 /* Report master aborts */
+#define PCI_BRIDGE_CTL_BUS_RESET 0x40 /* Secondary bus reset */
+#define PCI_BRIDGE_CTL_FAST_BACK 0x80 /* Fast Back2Back enabled on
secondary interface */
+
+/* Header type 2 (CardBus bridges) */
+#define PCI_CB_CAPABILITY_LIST 0x14
+/* 0x15 reserved */
+#define PCI_CB_SEC_STATUS 0x16 /* Secondary status */
+#define PCI_CB_PRIMARY_BUS 0x18 /* PCI bus number */
+#define PCI_CB_CARD_BUS 0x19 /* CardBus bus number */
+#define PCI_CB_SUBORDINATE_BUS 0x1a /* Subordinate bus number */
+#define PCI_CB_LATENCY_TIMER 0x1b /* CardBus latency timer */
+#define PCI_CB_MEMORY_BASE_0 0x1c
+#define PCI_CB_MEMORY_LIMIT_0 0x20
+#define PCI_CB_MEMORY_BASE_1 0x24
+#define PCI_CB_MEMORY_LIMIT_1 0x28
+#define PCI_CB_IO_BASE_0 0x2c
+#define PCI_CB_IO_BASE_0_HI 0x2e
+#define PCI_CB_IO_LIMIT_0 0x30
+#define PCI_CB_IO_LIMIT_0_HI 0x32
+#define PCI_CB_IO_BASE_1 0x34
+#define PCI_CB_IO_BASE_1_HI 0x36
+#define PCI_CB_IO_LIMIT_1 0x38
+#define PCI_CB_IO_LIMIT_1_HI 0x3a
+#define PCI_CB_IO_RANGE_MASK (~0x03UL)
+/* 0x3c-0x3d are same as for htype 0 */
+#define PCI_CB_BRIDGE_CONTROL 0x3e
+#define PCI_CB_BRIDGE_CTL_PARITY 0x01 /* Similar to standard bridge
control register */
+#define PCI_CB_BRIDGE_CTL_SERR 0x02
+#define PCI_CB_BRIDGE_CTL_ISA 0x04
+#define PCI_CB_BRIDGE_CTL_VGA 0x08
+#define PCI_CB_BRIDGE_CTL_MASTER_ABORT 0x20
+#define PCI_CB_BRIDGE_CTL_CB_RESET 0x40 /* CardBus reset */
+#define PCI_CB_BRIDGE_CTL_16BIT_INT 0x80 /* Enable interrupt for 16-bit
cards */
+#define PCI_CB_BRIDGE_CTL_PREFETCH_MEM0 0x100 /* Prefetch enable for both
memory regions */
+#define PCI_CB_BRIDGE_CTL_PREFETCH_MEM1 0x200
+#define PCI_CB_BRIDGE_CTL_POST_WRITES 0x400
+#define PCI_CB_SUBSYSTEM_VENDOR_ID 0x40
+#define PCI_CB_SUBSYSTEM_ID 0x42
+#define PCI_CB_LEGACY_MODE_BASE 0x44 /* 16-bit PC Card
legacy mode base address (ExCa) */
+/* 0x48-0x7f reserved */
+
+/* Capability lists */
+
+#define PCI_CAP_LIST_ID 0 /* Capability ID */
+#define PCI_CAP_ID_PM 0x01 /* Power Management */
+#define PCI_CAP_ID_AGP 0x02 /* Accelerated Graphics Port */
+#define PCI_CAP_ID_VPD 0x03 /* Vital Product Data */
+#define PCI_CAP_ID_SLOTID 0x04 /* Slot Identification */
+#define PCI_CAP_ID_MSI 0x05 /* Message Signalled Interrupts
*/
+#define PCI_CAP_ID_CHSWP 0x06 /* CompactPCI HotSwap */
+#define PCI_CAP_ID_PCIX 0x07 /* PCI-X */
+#define PCI_CAP_ID_HT 0x08 /* HyperTransport */
+#define PCI_CAP_ID_VNDR 0x09 /* Vendor specific */
+#define PCI_CAP_ID_DBG 0x0A /* Debug port */
+#define PCI_CAP_ID_CCRC 0x0B /* CompactPCI Central Resource Control
*/
+#define PCI_CAP_ID_SHPC 0x0C /* PCI Standard Hot-Plug Controller */
+#define PCI_CAP_ID_SSVID 0x0D /* Bridge subsystem vendor/device ID */
+#define PCI_CAP_ID_AGP3 0x0E /* AGP Target PCI-PCI bridge */
+#define PCI_CAP_ID_EXP 0x10 /* PCI Express */
+#define PCI_CAP_ID_MSIX 0x11 /* MSI-X */
+#define PCI_CAP_LIST_NEXT 1 /* Next capability in the list */
+#define PCI_CAP_FLAGS 2 /* Capability defined flags (16 bits) */
+#define PCI_CAP_SIZEOF 4
+
+/* Power Management Registers */
+
+#define PCI_PM_PMC 2 /* PM Capabilities Register */
+#define PCI_PM_CAP_VER_MASK 0x0007 /* Version */
+#define PCI_PM_CAP_PME_CLOCK 0x0008 /* PME clock required */
+#define PCI_PM_CAP_RESERVED 0x0010 /* Reserved field */
+#define PCI_PM_CAP_DSI 0x0020 /* Device specific
initialization */
+#define PCI_PM_CAP_AUX_POWER 0x01C0 /* Auxilliary power support mask */
+#define PCI_PM_CAP_D1 0x0200 /* D1 power state support */
+#define PCI_PM_CAP_D2 0x0400 /* D2 power state support */
+#define PCI_PM_CAP_PME 0x0800 /* PME pin supported */
+#define PCI_PM_CAP_PME_MASK 0xF800 /* PME Mask of all supported states */
+#define PCI_PM_CAP_PME_D0 0x0800 /* PME# from D0 */
+#define PCI_PM_CAP_PME_D1 0x1000 /* PME# from D1 */
+#define PCI_PM_CAP_PME_D2 0x2000 /* PME# from D2 */
+#define PCI_PM_CAP_PME_D3 0x4000 /* PME# from D3 (hot) */
+#define PCI_PM_CAP_PME_D3cold 0x8000 /* PME# from D3 (cold) */
+#define PCI_PM_CTRL 4 /* PM control and status register */
+#define PCI_PM_CTRL_STATE_MASK 0x0003 /* Current power state (D0 to
D3) */
+#define PCI_PM_CTRL_NO_SOFT_RESET 0x0004 /* No reset for D3hot->D0 */
+#define PCI_PM_CTRL_PME_ENABLE 0x0100 /* PME pin enable */
+#define PCI_PM_CTRL_DATA_SEL_MASK 0x1e00 /* Data select (??) */
+#define PCI_PM_CTRL_DATA_SCALE_MASK 0x6000 /* Data scale (??) */
+#define PCI_PM_CTRL_PME_STATUS 0x8000 /* PME pin status */
+#define PCI_PM_PPB_EXTENSIONS 6 /* PPB support extensions (??) */
+#define PCI_PM_PPB_B2_B3 0x40 /* Stop clock when in D3hot (??) */
+#define PCI_PM_BPCC_ENABLE 0x80 /* Bus power/clock control enable (??)
*/
+#define PCI_PM_DATA_REGISTER 7 /* (??) */
+#define PCI_PM_SIZEOF 8
+
+/* AGP registers */
+
+#define PCI_AGP_VERSION 2 /* BCD version number */
+#define PCI_AGP_RFU 3 /* Rest of capability flags */
+#define PCI_AGP_STATUS 4 /* Status register */
+#define PCI_AGP_STATUS_RQ_MASK 0xff000000 /* Maximum number of
requests - 1 */
+#define PCI_AGP_STATUS_SBA 0x0200 /* Sideband addressing supported */
+#define PCI_AGP_STATUS_64BIT 0x0020 /* 64-bit addressing supported */
+#define PCI_AGP_STATUS_FW 0x0010 /* FW transfers supported */
+#define PCI_AGP_STATUS_RATE4 0x0004 /* 4x transfer rate supported */
+#define PCI_AGP_STATUS_RATE2 0x0002 /* 2x transfer rate supported */
+#define PCI_AGP_STATUS_RATE1 0x0001 /* 1x transfer rate supported */
+#define PCI_AGP_COMMAND 8 /* Control register */
+#define PCI_AGP_COMMAND_RQ_MASK 0xff000000 /* Master: Maximum number of
requests */
+#define PCI_AGP_COMMAND_SBA 0x0200 /* Sideband addressing enabled */
+#define PCI_AGP_COMMAND_AGP 0x0100 /* Allow processing of AGP transactions
*/
+#define PCI_AGP_COMMAND_64BIT 0x0020 /* Allow processing of 64-bit addresses
*/
+#define PCI_AGP_COMMAND_FW 0x0010 /* Force FW transfers */
+#define PCI_AGP_COMMAND_RATE4 0x0004 /* Use 4x rate */
+#define PCI_AGP_COMMAND_RATE2 0x0002 /* Use 2x rate */
+#define PCI_AGP_COMMAND_RATE1 0x0001 /* Use 1x rate */
+#define PCI_AGP_SIZEOF 12
+
+/* Vital Product Data */
+
+#define PCI_VPD_ADDR 2 /* Address to access (15 bits!) */
+#define PCI_VPD_ADDR_MASK 0x7fff /* Address mask */
+#define PCI_VPD_ADDR_F 0x8000 /* Write 0, 1 indicates
completion */
+#define PCI_VPD_DATA 4 /* 32-bits of data returned here */
+
+/* Slot Identification */
+
+#define PCI_SID_ESR 2 /* Expansion Slot Register */
+#define PCI_SID_ESR_NSLOTS 0x1f /* Number of expansion slots available
*/
+#define PCI_SID_ESR_FIC 0x20 /* First In Chassis Flag */
+#define PCI_SID_CHASSIS_NR 3 /* Chassis Number */
+
+/* Message Signalled Interrupts registers */
+
+#define PCI_MSI_FLAGS 2 /* Various flags */
+#define PCI_MSI_FLAGS_64BIT 0x80 /* 64-bit addresses allowed */
+#define PCI_MSI_FLAGS_QSIZE 0x70 /* Message queue size configured */
+#define PCI_MSI_FLAGS_QMASK 0x0e /* Maximum queue size available */
+#define PCI_MSI_FLAGS_ENABLE 0x01 /* MSI feature enabled */
+#define PCI_MSI_FLAGS_MASKBIT 0x100 /* 64-bit mask bits allowed */
+#define PCI_MSI_RFU 3 /* Rest of capability flags */
+#define PCI_MSI_ADDRESS_LO 4 /* Lower 32 bits */
+#define PCI_MSI_ADDRESS_HI 8 /* Upper 32 bits (if
PCI_MSI_FLAGS_64BIT set) */
+#define PCI_MSI_DATA_32 8 /* 16 bits of data for 32-bit
devices */
+#define PCI_MSI_DATA_64 12 /* 16 bits of data for 64-bit
devices */
+#define PCI_MSI_MASK_BIT 16 /* Mask bits register */
+
+/* MSI-X registers (these are at offset PCI_MSIX_FLAGS) */
+#define PCI_MSIX_FLAGS 2
+#define PCI_MSIX_FLAGS_QSIZE 0x7FF
+#define PCI_MSIX_FLAGS_ENABLE (1 << 15)
+#define PCI_MSIX_FLAGS_MASKALL (1 << 14)
+#define PCI_MSIX_FLAGS_BIRMASK (7 << 0)
+#define PCI_MSIX_FLAGS_BITMASK (1 << 0)
+
+/* CompactPCI Hotswap Register */
+
+#define PCI_CHSWP_CSR 2 /* Control and Status Register */
+#define PCI_CHSWP_DHA 0x01 /* Device Hiding Arm */
+#define PCI_CHSWP_EIM 0x02 /* ENUM# Signal Mask */
+#define PCI_CHSWP_PIE 0x04 /* Pending Insert or Extract */
+#define PCI_CHSWP_LOO 0x08 /* LED On / Off */
+#define PCI_CHSWP_PI 0x30 /* Programming Interface */
+#define PCI_CHSWP_EXT 0x40 /* ENUM# status - extraction */
+#define PCI_CHSWP_INS 0x80 /* ENUM# status - insertion */
+
+/* PCI-X registers */
+
+#define PCI_X_CMD 2 /* Modes & Features */
+#define PCI_X_CMD_DPERR_E 0x0001 /* Data Parity Error Recovery Enable */
+#define PCI_X_CMD_ERO 0x0002 /* Enable Relaxed Ordering */
+#define PCI_X_CMD_READ_512 0x0000 /* 512 byte maximum read byte count */
+#define PCI_X_CMD_READ_1K 0x0004 /* 1Kbyte maximum read byte count */
+#define PCI_X_CMD_READ_2K 0x0008 /* 2Kbyte maximum read byte count */
+#define PCI_X_CMD_READ_4K 0x000c /* 4Kbyte maximum read byte count */
+#define PCI_X_CMD_MAX_READ 0x000c /* Max Memory Read Byte Count */
+ /* Max # of outstanding split transactions */
+#define PCI_X_CMD_SPLIT_1 0x0000 /* Max 1 */
+#define PCI_X_CMD_SPLIT_2 0x0010 /* Max 2 */
+#define PCI_X_CMD_SPLIT_3 0x0020 /* Max 3 */
+#define PCI_X_CMD_SPLIT_4 0x0030 /* Max 4 */
+#define PCI_X_CMD_SPLIT_8 0x0040 /* Max 8 */
+#define PCI_X_CMD_SPLIT_12 0x0050 /* Max 12 */
+#define PCI_X_CMD_SPLIT_16 0x0060 /* Max 16 */
+#define PCI_X_CMD_SPLIT_32 0x0070 /* Max 32 */
+#define PCI_X_CMD_MAX_SPLIT 0x0070 /* Max Outstanding Split Transactions */
+#define PCI_X_CMD_VERSION(x) (((x) >> 12) & 3) /* Version */
+#define PCI_X_STATUS 4 /* PCI-X capabilities */
+#define PCI_X_STATUS_DEVFN 0x000000ff /* A copy of devfn */
+#define PCI_X_STATUS_BUS 0x0000ff00 /* A copy of bus nr */
+#define PCI_X_STATUS_64BIT 0x00010000 /* 64-bit device */
+#define PCI_X_STATUS_133MHZ 0x00020000 /* 133 MHz capable */
+#define PCI_X_STATUS_SPL_DISC 0x00040000 /* Split Completion Discarded */
+#define PCI_X_STATUS_UNX_SPL 0x00080000 /* Unexpected Split Completion
*/
+#define PCI_X_STATUS_COMPLEX 0x00100000 /* Device Complexity */
+#define PCI_X_STATUS_MAX_READ 0x00600000 /* Designed Max Memory Read
Count */
+#define PCI_X_STATUS_MAX_SPLIT 0x03800000 /* Designed Max
Outstanding Split Transactions */
+#define PCI_X_STATUS_MAX_CUM 0x1c000000 /* Designed Max Cumulative Read
Size */
+#define PCI_X_STATUS_SPL_ERR 0x20000000 /* Rcvd Split Completion Error
Msg */
+#define PCI_X_STATUS_266MHZ 0x40000000 /* 266 MHz capable */
+#define PCI_X_STATUS_533MHZ 0x80000000 /* 533 MHz capable */
+
+/* PCI Express capability registers */
+
+#define PCI_EXP_FLAGS 2 /* Capabilities register */
+#define PCI_EXP_FLAGS_VERS 0x000f /* Capability version */
+#define PCI_EXP_FLAGS_TYPE 0x00f0 /* Device/Port type */
+#define PCI_EXP_TYPE_ENDPOINT 0x0 /* Express Endpoint */
+#define PCI_EXP_TYPE_LEG_END 0x1 /* Legacy Endpoint */
+#define PCI_EXP_TYPE_ROOT_PORT 0x4 /* Root Port */
+#define PCI_EXP_TYPE_UPSTREAM 0x5 /* Upstream Port */
+#define PCI_EXP_TYPE_DOWNSTREAM 0x6 /* Downstream Port */
+#define PCI_EXP_TYPE_PCI_BRIDGE 0x7 /* PCI/PCI-X Bridge */
+#define PCI_EXP_FLAGS_SLOT 0x0100 /* Slot implemented */
+#define PCI_EXP_FLAGS_IRQ 0x3e00 /* Interrupt message number */
+#define PCI_EXP_DEVCAP 4 /* Device capabilities */
+#define PCI_EXP_DEVCAP_PAYLOAD 0x07 /* Max_Payload_Size */
+#define PCI_EXP_DEVCAP_PHANTOM 0x18 /* Phantom functions */
+#define PCI_EXP_DEVCAP_EXT_TAG 0x20 /* Extended tags */
+#define PCI_EXP_DEVCAP_L0S 0x1c0 /* L0s Acceptable Latency */
+#define PCI_EXP_DEVCAP_L1 0xe00 /* L1 Acceptable Latency */
+#define PCI_EXP_DEVCAP_ATN_BUT 0x1000 /* Attention Button Present */
+#define PCI_EXP_DEVCAP_ATN_IND 0x2000 /* Attention Indicator Present
*/
+#define PCI_EXP_DEVCAP_PWR_IND 0x4000 /* Power Indicator Present */
+#define PCI_EXP_DEVCAP_PWR_VAL 0x3fc0000 /* Slot Power Limit Value */
+#define PCI_EXP_DEVCAP_PWR_SCL 0xc000000 /* Slot Power Limit Scale */
+#define PCI_EXP_DEVCTL 8 /* Device Control */
+#define PCI_EXP_DEVCTL_CERE 0x0001 /* Correctable Error Reporting En. */
+#define PCI_EXP_DEVCTL_NFERE 0x0002 /* Non-Fatal Error Reporting Enable */
+#define PCI_EXP_DEVCTL_FERE 0x0004 /* Fatal Error Reporting Enable */
+#define PCI_EXP_DEVCTL_URRE 0x0008 /* Unsupported Request Reporting En. */
+#define PCI_EXP_DEVCTL_RELAX_EN 0x0010 /* Enable relaxed ordering */
+#define PCI_EXP_DEVCTL_PAYLOAD 0x00e0 /* Max_Payload_Size */
+#define PCI_EXP_DEVCTL_EXT_TAG 0x0100 /* Extended Tag Field Enable */
+#define PCI_EXP_DEVCTL_PHANTOM 0x0200 /* Phantom Functions Enable */
+#define PCI_EXP_DEVCTL_AUX_PME 0x0400 /* Auxiliary Power PM Enable */
+#define PCI_EXP_DEVCTL_NOSNOOP_EN 0x0800 /* Enable No Snoop */
+#define PCI_EXP_DEVCTL_READRQ 0x7000 /* Max_Read_Request_Size */
+#define PCI_EXP_DEVSTA 10 /* Device Status */
+#define PCI_EXP_DEVSTA_CED 0x01 /* Correctable Error Detected */
+#define PCI_EXP_DEVSTA_NFED 0x02 /* Non-Fatal Error Detected */
+#define PCI_EXP_DEVSTA_FED 0x04 /* Fatal Error Detected */
+#define PCI_EXP_DEVSTA_URD 0x08 /* Unsupported Request Detected */
+#define PCI_EXP_DEVSTA_AUXPD 0x10 /* AUX Power Detected */
+#define PCI_EXP_DEVSTA_TRPND 0x20 /* Transactions Pending */
+#define PCI_EXP_LNKCAP 12 /* Link Capabilities */
+#define PCI_EXP_LNKCTL 16 /* Link Control */
+#define PCI_EXP_LNKCTL_CLKREQ_EN 0x100 /* Enable clkreq */
+#define PCI_EXP_LNKSTA 18 /* Link Status */
+#define PCI_EXP_SLTCAP 20 /* Slot Capabilities */
+#define PCI_EXP_SLTCTL 24 /* Slot Control */
+#define PCI_EXP_SLTSTA 26 /* Slot Status */
+#define PCI_EXP_RTCTL 28 /* Root Control */
+#define PCI_EXP_RTCTL_SECEE 0x01 /* System Error on Correctable Error */
+#define PCI_EXP_RTCTL_SENFEE 0x02 /* System Error on Non-Fatal Error */
+#define PCI_EXP_RTCTL_SEFEE 0x04 /* System Error on Fatal Error */
+#define PCI_EXP_RTCTL_PMEIE 0x08 /* PME Interrupt Enable */
+#define PCI_EXP_RTCTL_CRSSVE 0x10 /* CRS Software Visibility Enable */
+#define PCI_EXP_RTCAP 30 /* Root Capabilities */
+#define PCI_EXP_RTSTA 32 /* Root Status */
+
+/* Extended Capabilities (PCI-X 2.0 and Express) */
+#define PCI_EXT_CAP_ID(header) (header & 0x0000ffff)
+#define PCI_EXT_CAP_VER(header) ((header >> 16) & 0xf)
+#define PCI_EXT_CAP_NEXT(header) ((header >> 20) & 0xffc)
+
+#define PCI_EXT_CAP_ID_ERR 1
+#define PCI_EXT_CAP_ID_VC 2
+#define PCI_EXT_CAP_ID_DSN 3
+#define PCI_EXT_CAP_ID_PWR 4
+
+/* Advanced Error Reporting */
+#define PCI_ERR_UNCOR_STATUS 4 /* Uncorrectable Error Status */
+#define PCI_ERR_UNC_TRAIN 0x00000001 /* Training */
+#define PCI_ERR_UNC_DLP 0x00000010 /* Data Link Protocol */
+#define PCI_ERR_UNC_POISON_TLP 0x00001000 /* Poisoned TLP */
+#define PCI_ERR_UNC_FCP 0x00002000 /* Flow Control Protocol */
+#define PCI_ERR_UNC_COMP_TIME 0x00004000 /* Completion Timeout */
+#define PCI_ERR_UNC_COMP_ABORT 0x00008000 /* Completer Abort */
+#define PCI_ERR_UNC_UNX_COMP 0x00010000 /* Unexpected Completion */
+#define PCI_ERR_UNC_RX_OVER 0x00020000 /* Receiver Overflow */
+#define PCI_ERR_UNC_MALF_TLP 0x00040000 /* Malformed TLP */
+#define PCI_ERR_UNC_ECRC 0x00080000 /* ECRC Error Status */
+#define PCI_ERR_UNC_UNSUP 0x00100000 /* Unsupported Request */
+#define PCI_ERR_UNCOR_MASK 8 /* Uncorrectable Error Mask */
+ /* Same bits as above */
+#define PCI_ERR_UNCOR_SEVER 12 /* Uncorrectable Error Severity */
+ /* Same bits as above */
+#define PCI_ERR_COR_STATUS 16 /* Correctable Error Status */
+#define PCI_ERR_COR_RCVR 0x00000001 /* Receiver Error Status */
+#define PCI_ERR_COR_BAD_TLP 0x00000040 /* Bad TLP Status */
+#define PCI_ERR_COR_BAD_DLLP 0x00000080 /* Bad DLLP Status */
+#define PCI_ERR_COR_REP_ROLL 0x00000100 /* REPLAY_NUM Rollover */
+#define PCI_ERR_COR_REP_TIMER 0x00001000 /* Replay Timer Timeout */
+#define PCI_ERR_COR_MASK 20 /* Correctable Error Mask */
+ /* Same bits as above */
+#define PCI_ERR_CAP 24 /* Advanced Error Capabilities */
+#define PCI_ERR_CAP_FEP(x) ((x) & 31) /* First Error Pointer */
+#define PCI_ERR_CAP_ECRC_GENC 0x00000020 /* ECRC Generation Capable */
+#define PCI_ERR_CAP_ECRC_GENE 0x00000040 /* ECRC Generation Enable */
+#define PCI_ERR_CAP_ECRC_CHKC 0x00000080 /* ECRC Check Capable */
+#define PCI_ERR_CAP_ECRC_CHKE 0x00000100 /* ECRC Check Enable */
+#define PCI_ERR_HEADER_LOG 28 /* Header Log Register (16 bytes) */
+#define PCI_ERR_ROOT_COMMAND 44 /* Root Error Command */
+/* Correctable Err Reporting Enable */
+#define PCI_ERR_ROOT_CMD_COR_EN 0x00000001
+/* Non-fatal Err Reporting Enable */
+#define PCI_ERR_ROOT_CMD_NONFATAL_EN 0x00000002
+/* Fatal Err Reporting Enable */
+#define PCI_ERR_ROOT_CMD_FATAL_EN 0x00000004
+#define PCI_ERR_ROOT_STATUS 48
+#define PCI_ERR_ROOT_COR_RCV 0x00000001 /* ERR_COR Received */
+/* Multi ERR_COR Received */
+#define PCI_ERR_ROOT_MULTI_COR_RCV 0x00000002
+/* ERR_FATAL/NONFATAL Recevied */
+#define PCI_ERR_ROOT_UNCOR_RCV 0x00000004
+/* Multi ERR_FATAL/NONFATAL Recevied */
+#define PCI_ERR_ROOT_MULTI_UNCOR_RCV 0x00000008
+#define PCI_ERR_ROOT_FIRST_FATAL 0x00000010 /* First Fatal */
+#define PCI_ERR_ROOT_NONFATAL_RCV 0x00000020 /* Non-Fatal Received */
+#define PCI_ERR_ROOT_FATAL_RCV 0x00000040 /* Fatal Received */
+#define PCI_ERR_ROOT_COR_SRC 52
+#define PCI_ERR_ROOT_SRC 54
+
+/* Virtual Channel */
+#define PCI_VC_PORT_REG1 4
+#define PCI_VC_PORT_REG2 8
+#define PCI_VC_PORT_CTRL 12
+#define PCI_VC_PORT_STATUS 14
+#define PCI_VC_RES_CAP 16
+#define PCI_VC_RES_CTRL 20
+#define PCI_VC_RES_STATUS 26
+
+/* Power Budgeting */
+#define PCI_PWR_DSR 4 /* Data Select Register */
+#define PCI_PWR_DATA 8 /* Data Register */
+#define PCI_PWR_DATA_BASE(x) ((x) & 0xff) /* Base Power */
+#define PCI_PWR_DATA_SCALE(x) (((x) >> 8) & 3) /* Data Scale */
+#define PCI_PWR_DATA_PM_SUB(x) (((x) >> 10) & 7) /* PM Sub State */
+#define PCI_PWR_DATA_PM_STATE(x) (((x) >> 13) & 3) /* PM State */
+#define PCI_PWR_DATA_TYPE(x) (((x) >> 15) & 7) /* Type */
+#define PCI_PWR_DATA_RAIL(x) (((x) >> 18) & 7) /* Power Rail */
+#define PCI_PWR_CAP 12 /* Capability */
+#define PCI_PWR_CAP_BUDGET(x) ((x) & 1) /* Included in system budget */
+
+/*
+ * Hypertransport sub capability types
+ *
+ * Unfortunately there are both 3 bit and 5 bit capability types defined
+ * in the HT spec, catering for that is a little messy. You probably don't
+ * want to use these directly, just use pci_find_ht_capability() and it
+ * will do the right thing for you.
+ */
+#define HT_3BIT_CAP_MASK 0xE0
+#define HT_CAPTYPE_SLAVE 0x00 /* Slave/Primary link configuration */
+#define HT_CAPTYPE_HOST 0x20 /* Host/Secondary link
configuration */
+
+#define HT_5BIT_CAP_MASK 0xF8
+#define HT_CAPTYPE_IRQ 0x80 /* IRQ Configuration */
+#define HT_CAPTYPE_REMAPPING_40 0xA0 /* 40 bit address remapping */
+#define HT_CAPTYPE_REMAPPING_64 0xA2 /* 64 bit address remapping */
+#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 */
+#define HT_CAPTYPE_GEN3 0xD0 /* Generation 3 hypertransport
configuration */
+#define HT_CAPTYPE_PM 0xE0 /* Hypertransport powermanagement
configuration */
+
+
+#endif /* LINUX_PCI_REGS_H */
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