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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-changelog] [xen-unstable] [IA64] Add head files and helper functions for VTD/ia64
# HG changeset patch
# User Isaku Yamahata <yamahata@xxxxxxxxxxxxx>
# Date 1224663615 -32400
# Node ID 02c8733e2d91557a98b6964bfb7e136f0e3924d4
# Parent d9b70fc0ee0f7be6a36f4b80ab871ee4bd09fee6
[IA64] Add head files and helper functions for VTD/ia64
Add head files and helper functions for VTD/ia64.
Signed-off-by: Anthony Xu <anthony.xu@xxxxxxxxx>
---
xen/arch/ia64/vmx/viosapic.c | 4 -
xen/arch/ia64/vmx/vmx_interrupt.c | 42 ++++++++++
xen/arch/ia64/xen/domain.c | 1
xen/arch/ia64/xen/mm.c | 12 ---
xen/arch/ia64/xen/xensetup.c | 12 +++
xen/include/asm-ia64/domain.h | 3
xen/include/asm-ia64/hvm/iommu.h | 35 ++++++++
xen/include/asm-ia64/hvm/irq.h | 106 +++++++++++++++++++++++++++
xen/include/asm-ia64/linux-xen/asm/iosapic.h | 3
xen/include/asm-ia64/linux/asm/hw_irq.h | 7 -
xen/include/asm-ia64/vmx_platform.h | 5 +
11 files changed, 207 insertions(+), 23 deletions(-)
diff -r d9b70fc0ee0f -r 02c8733e2d91 xen/arch/ia64/vmx/viosapic.c
--- a/xen/arch/ia64/vmx/viosapic.c Wed Oct 22 12:41:52 2008 +0900
+++ b/xen/arch/ia64/vmx/viosapic.c Wed Oct 22 17:20:15 2008 +0900
@@ -315,10 +315,6 @@ out:
spin_unlock(&viosapic->lock);
}
-#define hvm_pci_intx_gsi(dev, intx) \
- (((((dev) << 2) + ((dev) >> 3) + (intx)) & 31) + 16)
-
-
void viosapic_set_pci_irq(struct domain *d, int device, int intx, int level)
{
int irq;
diff -r d9b70fc0ee0f -r 02c8733e2d91 xen/arch/ia64/vmx/vmx_interrupt.c
--- a/xen/arch/ia64/vmx/vmx_interrupt.c Wed Oct 22 12:41:52 2008 +0900
+++ b/xen/arch/ia64/vmx/vmx_interrupt.c Wed Oct 22 17:20:15 2008 +0900
@@ -112,3 +112,45 @@ inject_guest_interruption(VCPU *vcpu, u6
debugger_event(vec == IA64_EXTINT_VECTOR ?
XEN_IA64_DEBUG_ON_EXTINT : XEN_IA64_DEBUG_ON_EXCEPT);
}
+
+void hvm_pci_intx_assert(
+ struct domain *d, unsigned int device, unsigned int intx)
+{
+ struct hvm_irq *hvm_irq = &d->arch.hvm_domain.irq;
+ unsigned int gsi;
+
+ ASSERT((device <= 31) && (intx <= 3));
+
+ if ( __test_and_set_bit(device * 4 + intx, &hvm_irq->pci_intx.i) )
+ return;
+ gsi = hvm_pci_intx_gsi(device, intx);
+ if ( ++hvm_irq->gsi_assert_count[gsi] == 1 )
+ viosapic_set_irq(d, gsi, 1);
+}
+
+void hvm_pci_intx_deassert(
+ struct domain *d, unsigned int device, unsigned int intx)
+{
+ struct hvm_irq *hvm_irq = &d->arch.hvm_domain.irq;
+ unsigned int gsi;
+
+ ASSERT((device <= 31) && (intx <= 3));
+
+ if ( !__test_and_clear_bit(device * 4 + intx, &hvm_irq->pci_intx.i) )
+ return;
+
+ gsi = hvm_pci_intx_gsi(device, intx);
+
+ if (--hvm_irq->gsi_assert_count[gsi] == 0)
+ viosapic_set_irq(d, gsi, 0);
+}
+
+void hvm_isa_irq_assert(struct domain *d, unsigned int isa_irq)
+{
+ /* dummy */
+}
+
+void hvm_isa_irq_deassert(struct domain *d, unsigned int isa_irq)
+{
+ /* dummy */
+}
diff -r d9b70fc0ee0f -r 02c8733e2d91 xen/arch/ia64/xen/domain.c
--- a/xen/arch/ia64/xen/domain.c Wed Oct 22 12:41:52 2008 +0900
+++ b/xen/arch/ia64/xen/domain.c Wed Oct 22 17:20:15 2008 +0900
@@ -569,6 +569,7 @@ int arch_domain_create(struct domain *d,
if (is_idle_domain(d))
return 0;
+ INIT_LIST_HEAD(&d->arch.pdev_list);
foreign_p2m_init(d);
#ifdef CONFIG_XEN_IA64_PERVCPU_VHPT
d->arch.has_pervcpu_vhpt = opt_pervcpu_vhpt;
diff -r d9b70fc0ee0f -r 02c8733e2d91 xen/arch/ia64/xen/mm.c
--- a/xen/arch/ia64/xen/mm.c Wed Oct 22 12:41:52 2008 +0900
+++ b/xen/arch/ia64/xen/mm.c Wed Oct 22 17:20:15 2008 +0900
@@ -3445,18 +3445,6 @@ void xencomm_mark_dirty(unsigned long ad
__xencomm_mark_dirty(current->domain, addr, len);
}
-int iommu_map_page(struct domain *d, unsigned long gfn, unsigned long mfn)
-{
- /* STUB to compile */
- return -ENOSYS;
-}
-
-int iommu_unmap_page(struct domain *d, unsigned long gfn)
-{
- /* STUB to compile */
- return -ENOSYS;
-}
-
/*
* Local variables:
* mode: C
diff -r d9b70fc0ee0f -r 02c8733e2d91 xen/arch/ia64/xen/xensetup.c
--- a/xen/arch/ia64/xen/xensetup.c Wed Oct 22 12:41:52 2008 +0900
+++ b/xen/arch/ia64/xen/xensetup.c Wed Oct 22 17:20:15 2008 +0900
@@ -740,3 +740,15 @@ void arch_get_xen_caps(xen_capabilities_
}
}
+int xen_in_range(paddr_t start, paddr_t end)
+{
+ start = max_t(paddr_t, start, xen_pstart);
+ end = min_t(paddr_t, end, xen_pstart + XENHEAP_DEFAULT_SIZE);
+
+ return start < end;
+}
+
+int tboot_in_range(paddr_t start, paddr_t end)
+{
+ return 0;
+}
diff -r d9b70fc0ee0f -r 02c8733e2d91 xen/include/asm-ia64/domain.h
--- a/xen/include/asm-ia64/domain.h Wed Oct 22 12:41:52 2008 +0900
+++ b/xen/include/asm-ia64/domain.h Wed Oct 22 17:20:15 2008 +0900
@@ -42,6 +42,8 @@ extern int shadow_mode_control(struct do
/* Cleanly crash the current domain with a message. */
extern void panic_domain(struct pt_regs *, const char *, ...)
__attribute__ ((noreturn, format (printf, 2, 3)));
+
+#define has_arch_pdevs(d) (!list_empty(&(d)->arch.pdev_list))
struct mm_struct {
volatile pgd_t * pgd;
@@ -166,6 +168,7 @@ struct arch_domain {
unsigned char rid_bits; /* number of virtual rid bits (default:
18) */
int breakimm; /* The imm value for hypercalls. */
+ struct list_head pdev_list;
struct virtual_platform_def vmx_platform;
#define hvm_domain vmx_platform /* platform defs are not vmx specific */
diff -r d9b70fc0ee0f -r 02c8733e2d91 xen/include/asm-ia64/hvm/iommu.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/xen/include/asm-ia64/hvm/iommu.h Wed Oct 22 17:20:15 2008 +0900
@@ -0,0 +1,35 @@
+#ifndef __ASM_IA64_HVM_IOMMU_H__
+#define __ASM_IA64_HVM_IOMMU_H__
+
+#include <asm/hvm/irq.h>
+#include <public/event_channel.h>
+#include <public/arch-ia64/hvm/save.h>
+#include <asm/linux-xen/asm/iosapic.h>
+
+struct iommu_ops;
+extern struct iommu_ops intel_iommu_ops;
+extern int intel_vtd_setup(void);
+
+#define iommu_get_ops() (&intel_iommu_ops)
+#define iommu_hardware_setup() (intel_vtd_setup())
+
+static inline int domain_irq_to_vector(struct domain *d, int irq)
+{
+ return irq;
+}
+
+static inline void ack_APIC_irq(void)
+{
+ /* TODO */
+}
+
+static inline void pci_cleanup_msi(struct pci_dev *pdev)
+{
+ /* TODO */
+}
+
+#define AUTO_ASSIGN -1
+
+extern int assign_irq_vector (int irq);
+
+#endif /* __ASM_IA64_HVM_IOMMU_H__ */
diff -r d9b70fc0ee0f -r 02c8733e2d91 xen/include/asm-ia64/hvm/irq.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/xen/include/asm-ia64/hvm/irq.h Wed Oct 22 17:20:15 2008 +0900
@@ -0,0 +1,106 @@
+/******************************************************************************
+ * irq.h
+ *
+ * Interrupt distribution and delivery logic.
+ *
+ * Copyright (c) 2006, K A Fraser, XenSource Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
+ * Place - Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+#ifndef __ASM_IA64_HVM_IRQ_H__
+#define __ASM_IA64_HVM_IRQ_H__
+
+#include <xen/irq.h>
+
+#define NR_VECTORS 256
+#define VIOAPIC_NUM_PINS 48
+#define NR_PIRQS 256
+
+#include <xen/hvm/irq.h>
+
+struct hvm_hw_pci_irqs {
+ /*
+ * Virtual interrupt wires for a single PCI bus.
+ * Indexed by: device*4 + INTx#.
+ */
+ union {
+ DECLARE_BITMAP(i, 32*4);
+ uint64_t pad[2];
+ };
+};
+
+struct hvm_irq {
+ /*
+ * Virtual interrupt wires for a single PCI bus.
+ * Indexed by: device*4 + INTx#.
+ */
+ struct hvm_hw_pci_irqs pci_intx;
+
+ /* Virtual interrupt and via-link for paravirtual platform driver. */
+ uint32_t callback_via_asserted;
+ union {
+ enum {
+ HVMIRQ_callback_none,
+ HVMIRQ_callback_gsi,
+ HVMIRQ_callback_pci_intx
+ } callback_via_type;
+ };
+ union {
+ uint32_t gsi;
+ struct { uint8_t dev, intx; } pci;
+ } callback_via;
+
+ /*
+ * Number of wires asserting each GSI.
+ *
+ * GSIs 0-15 are the ISA IRQs. ISA devices map directly into this space
+ * except ISA IRQ 0, which is connected to GSI 2.
+ * PCI links map into this space via the PCI-ISA bridge.
+ *
+ * GSIs 16+ are used only be PCI devices. The mapping from PCI device to
+ * GSI is as follows: ((device*4 + device/8 + INTx#) & 31) + 16
+ */
+ u8 gsi_assert_count[VIOAPIC_NUM_PINS];
+
+ /*
+ * GSIs map onto PIC/IO-APIC in the usual way:
+ * 0-7: Master 8259 PIC, IO-APIC pins 0-7
+ * 8-15: Slave 8259 PIC, IO-APIC pins 8-15
+ * 16+ : IO-APIC pins 16+
+ */
+
+ /* Last VCPU that was delivered a LowestPrio interrupt. */
+ u8 round_robin_prev_vcpu;
+
+ struct hvm_irq_dpci *dpci;
+};
+
+#define hvm_pci_intx_gsi(dev, intx) \
+ (((((dev)<<2) + ((dev)>>3) + (intx)) & 31) + 16)
+#define hvm_pci_intx_link(dev, intx) \
+ (((dev) + (intx)) & 3)
+
+/* Extract the IA-64 vector that corresponds to IRQ. */
+static inline int
+irq_to_vector (int irq)
+{
+ return irq;
+}
+
+
+extern u8 irq_vector[NR_IRQ_VECTORS];
+extern int vector_irq[NR_VECTORS];
+
+#endif /* __ASM_IA64_HVM_IRQ_H__ */
diff -r d9b70fc0ee0f -r 02c8733e2d91
xen/include/asm-ia64/linux-xen/asm/iosapic.h
--- a/xen/include/asm-ia64/linux-xen/asm/iosapic.h Wed Oct 22 12:41:52
2008 +0900
+++ b/xen/include/asm-ia64/linux-xen/asm/iosapic.h Wed Oct 22 17:20:15
2008 +0900
@@ -175,5 +175,8 @@ extern unsigned long ia64_xen_vector[];
extern unsigned long ia64_xen_vector[];
#endif /* XEN */
+#define IO_APIC_BASE(idx) ((unsigned int *)iosapic_lists[idx].addr)
+#define IO_APIC_ID(idx) (iosapic_lists[idx].id)
+
# endif /* !__ASSEMBLY__ */
#endif /* __ASM_IA64_IOSAPIC_H */
diff -r d9b70fc0ee0f -r 02c8733e2d91 xen/include/asm-ia64/linux/asm/hw_irq.h
--- a/xen/include/asm-ia64/linux/asm/hw_irq.h Wed Oct 22 12:41:52 2008 +0900
+++ b/xen/include/asm-ia64/linux/asm/hw_irq.h Wed Oct 22 17:20:15 2008 +0900
@@ -124,13 +124,6 @@ irq_descp (int irq)
return irq_desc + irq;
}
-/* Extract the IA-64 vector that corresponds to IRQ. */
-static inline ia64_vector
-irq_to_vector (int irq)
-{
- return (ia64_vector) irq;
-}
-
/*
* Convert the local IA-64 vector to the corresponding irq number. This
translation is
* done in the context of the interrupt domain that the currently executing
CPU belongs
diff -r d9b70fc0ee0f -r 02c8733e2d91 xen/include/asm-ia64/vmx_platform.h
--- a/xen/include/asm-ia64/vmx_platform.h Wed Oct 22 12:41:52 2008 +0900
+++ b/xen/include/asm-ia64/vmx_platform.h Wed Oct 22 17:20:15 2008 +0900
@@ -21,8 +21,10 @@
#include <public/xen.h>
#include <public/hvm/params.h>
+#include <asm/hvm/irq.h>
#include <asm/viosapic.h>
#include <asm/hvm/vacpi.h>
+#include <xen/hvm/iommu.h>
struct vmx_ioreq_page {
spinlock_t lock;
@@ -41,6 +43,9 @@ typedef struct virtual_platform_def {
/* One IOSAPIC now... */
struct viosapic viosapic;
struct vacpi vacpi;
+ /* Pass-throgh VT-d */
+ struct hvm_irq irq;
+ struct hvm_iommu hvm_iommu;
} vir_plat_t;
static inline int __fls(uint32_t word)
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