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-rw-r--r--arch/x86/include/asm/ce4100.h6
-rw-r--r--arch/x86/include/asm/unistd_32.h4
-rw-r--r--arch/x86/include/asm/unistd_64.h4
-rw-r--r--arch/x86/include/asm/uv/uv_bau.h2
-rw-r--r--arch/x86/include/asm/xen/hypercall.h15
-rw-r--r--arch/x86/include/asm/xen/page.h47
-rw-r--r--arch/x86/include/asm/xen/pci.h8
7 files changed, 66 insertions, 20 deletions
diff --git a/arch/x86/include/asm/ce4100.h b/arch/x86/include/asm/ce4100.h
new file mode 100644
index 0000000..e656ad8
--- /dev/null
+++ b/arch/x86/include/asm/ce4100.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_CE4100_H_
+#define _ASM_CE4100_H_
+
+int ce4100_pci_init(void);
+
+#endif
diff --git a/arch/x86/include/asm/unistd_32.h b/arch/x86/include/asm/unistd_32.h
index b766a5e..f4c4973 100644
--- a/arch/x86/include/asm/unistd_32.h
+++ b/arch/x86/include/asm/unistd_32.h
@@ -346,10 +346,12 @@
#define __NR_fanotify_init 338
#define __NR_fanotify_mark 339
#define __NR_prlimit64 340
+#define __NR_name_to_handle_at 341
+#define __NR_open_by_handle_at 342
#ifdef __KERNEL__
-#define NR_syscalls 341
+#define NR_syscalls 343
#define __ARCH_WANT_IPC_PARSE_VERSION
#define __ARCH_WANT_OLD_READDIR
diff --git a/arch/x86/include/asm/unistd_64.h b/arch/x86/include/asm/unistd_64.h
index 363e9b8..81a3d5b 100644
--- a/arch/x86/include/asm/unistd_64.h
+++ b/arch/x86/include/asm/unistd_64.h
@@ -669,6 +669,10 @@ __SYSCALL(__NR_fanotify_init, sys_fanotify_init)
__SYSCALL(__NR_fanotify_mark, sys_fanotify_mark)
#define __NR_prlimit64 302
__SYSCALL(__NR_prlimit64, sys_prlimit64)
+#define __NR_name_to_handle_at 303
+__SYSCALL(__NR_name_to_handle_at, sys_name_to_handle_at)
+#define __NR_open_by_handle_at 304
+__SYSCALL(__NR_open_by_handle_at, sys_open_by_handle_at)
#ifndef __NO_STUBS
#define __ARCH_WANT_OLD_READDIR
diff --git a/arch/x86/include/asm/uv/uv_bau.h b/arch/x86/include/asm/uv/uv_bau.h
index ce1d54c..3e094af 100644
--- a/arch/x86/include/asm/uv/uv_bau.h
+++ b/arch/x86/include/asm/uv/uv_bau.h
@@ -176,7 +176,7 @@ struct bau_msg_payload {
struct bau_msg_header {
unsigned int dest_subnodeid:6; /* must be 0x10, for the LB */
/* bits 5:0 */
- unsigned int base_dest_nodeid:15; /* nasid (pnode<<1) of */
+ unsigned int base_dest_nodeid:15; /* nasid of the */
/* bits 20:6 */ /* first bit in uvhub map */
unsigned int command:8; /* message type */
/* bits 28:21 */
diff --git a/arch/x86/include/asm/xen/hypercall.h b/arch/x86/include/asm/xen/hypercall.h
index a3c28ae..8508bfe 100644
--- a/arch/x86/include/asm/xen/hypercall.h
+++ b/arch/x86/include/asm/xen/hypercall.h
@@ -287,7 +287,7 @@ HYPERVISOR_fpu_taskswitch(int set)
static inline int
HYPERVISOR_sched_op(int cmd, void *arg)
{
- return _hypercall2(int, sched_op_new, cmd, arg);
+ return _hypercall2(int, sched_op, cmd, arg);
}
static inline long
@@ -422,10 +422,17 @@ HYPERVISOR_set_segment_base(int reg, unsigned long value)
#endif
static inline int
-HYPERVISOR_suspend(unsigned long srec)
+HYPERVISOR_suspend(unsigned long start_info_mfn)
{
- return _hypercall3(int, sched_op, SCHEDOP_shutdown,
- SHUTDOWN_suspend, srec);
+ struct sched_shutdown r = { .reason = SHUTDOWN_suspend };
+
+ /*
+ * For a PV guest the tools require that the start_info mfn be
+ * present in rdx/edx when the hypercall is made. Per the
+ * hypercall calling convention this is the third hypercall
+ * argument, which is start_info_mfn here.
+ */
+ return _hypercall3(int, sched_op, SCHEDOP_shutdown, &r, start_info_mfn);
}
static inline int
diff --git a/arch/x86/include/asm/xen/page.h b/arch/x86/include/asm/xen/page.h
index f25bdf2..c61934f 100644
--- a/arch/x86/include/asm/xen/page.h
+++ b/arch/x86/include/asm/xen/page.h
@@ -29,8 +29,10 @@ typedef struct xpaddr {
/**** MACHINE <-> PHYSICAL CONVERSION MACROS ****/
#define INVALID_P2M_ENTRY (~0UL)
-#define FOREIGN_FRAME_BIT (1UL<<31)
+#define FOREIGN_FRAME_BIT (1UL<<(BITS_PER_LONG-1))
+#define IDENTITY_FRAME_BIT (1UL<<(BITS_PER_LONG-2))
#define FOREIGN_FRAME(m) ((m) | FOREIGN_FRAME_BIT)
+#define IDENTITY_FRAME(m) ((m) | IDENTITY_FRAME_BIT)
/* Maximum amount of memory we can handle in a domain in pages */
#define MAX_DOMAIN_PAGES \
@@ -41,12 +43,18 @@ extern unsigned int machine_to_phys_order;
extern unsigned long get_phys_to_machine(unsigned long pfn);
extern bool set_phys_to_machine(unsigned long pfn, unsigned long mfn);
+extern bool __set_phys_to_machine(unsigned long pfn, unsigned long mfn);
+extern unsigned long set_phys_range_identity(unsigned long pfn_s,
+ unsigned long pfn_e);
extern int m2p_add_override(unsigned long mfn, struct page *page);
extern int m2p_remove_override(struct page *page);
extern struct page *m2p_find_override(unsigned long mfn);
extern unsigned long m2p_find_override_pfn(unsigned long mfn, unsigned long pfn);
+#ifdef CONFIG_XEN_DEBUG_FS
+extern int p2m_dump_show(struct seq_file *m, void *v);
+#endif
static inline unsigned long pfn_to_mfn(unsigned long pfn)
{
unsigned long mfn;
@@ -57,7 +65,7 @@ static inline unsigned long pfn_to_mfn(unsigned long pfn)
mfn = get_phys_to_machine(pfn);
if (mfn != INVALID_P2M_ENTRY)
- mfn &= ~FOREIGN_FRAME_BIT;
+ mfn &= ~(FOREIGN_FRAME_BIT | IDENTITY_FRAME_BIT);
return mfn;
}
@@ -73,25 +81,44 @@ static inline int phys_to_machine_mapping_valid(unsigned long pfn)
static inline unsigned long mfn_to_pfn(unsigned long mfn)
{
unsigned long pfn;
+ int ret = 0;
if (xen_feature(XENFEAT_auto_translated_physmap))
return mfn;
+ if (unlikely((mfn >> machine_to_phys_order) != 0)) {
+ pfn = ~0;
+ goto try_override;
+ }
pfn = 0;
/*
* The array access can fail (e.g., device space beyond end of RAM).
* In such cases it doesn't matter what we return (we return garbage),
* but we must handle the fault without crashing!
*/
- __get_user(pfn, &machine_to_phys_mapping[mfn]);
-
- /*
- * If this appears to be a foreign mfn (because the pfn
- * doesn't map back to the mfn), then check the local override
- * table to see if there's a better pfn to use.
+ ret = __get_user(pfn, &machine_to_phys_mapping[mfn]);
+try_override:
+ /* ret might be < 0 if there are no entries in the m2p for mfn */
+ if (ret < 0)
+ pfn = ~0;
+ else if (get_phys_to_machine(pfn) != mfn)
+ /*
+ * If this appears to be a foreign mfn (because the pfn
+ * doesn't map back to the mfn), then check the local override
+ * table to see if there's a better pfn to use.
+ *
+ * m2p_find_override_pfn returns ~0 if it doesn't find anything.
+ */
+ pfn = m2p_find_override_pfn(mfn, ~0);
+
+ /*
+ * pfn is ~0 if there are no entries in the m2p for mfn or if the
+ * entry doesn't map back to the mfn and m2p_override doesn't have a
+ * valid entry for it.
*/
- if (get_phys_to_machine(pfn) != mfn)
- pfn = m2p_find_override_pfn(mfn, pfn);
+ if (pfn == ~0 &&
+ get_phys_to_machine(mfn) == IDENTITY_FRAME(mfn))
+ pfn = mfn;
return pfn;
}
diff --git a/arch/x86/include/asm/xen/pci.h b/arch/x86/include/asm/xen/pci.h
index 2329b3e..aa86209 100644
--- a/arch/x86/include/asm/xen/pci.h
+++ b/arch/x86/include/asm/xen/pci.h
@@ -27,16 +27,16 @@ static inline void __init xen_setup_pirqs(void)
* its own functions.
*/
struct xen_pci_frontend_ops {
- int (*enable_msi)(struct pci_dev *dev, int **vectors);
+ int (*enable_msi)(struct pci_dev *dev, int vectors[]);
void (*disable_msi)(struct pci_dev *dev);
- int (*enable_msix)(struct pci_dev *dev, int **vectors, int nvec);
+ int (*enable_msix)(struct pci_dev *dev, int vectors[], int nvec);
void (*disable_msix)(struct pci_dev *dev);
};
extern struct xen_pci_frontend_ops *xen_pci_frontend;
static inline int xen_pci_frontend_enable_msi(struct pci_dev *dev,
- int **vectors)
+ int vectors[])
{
if (xen_pci_frontend && xen_pci_frontend->enable_msi)
return xen_pci_frontend->enable_msi(dev, vectors);
@@ -48,7 +48,7 @@ static inline void xen_pci_frontend_disable_msi(struct pci_dev *dev)
xen_pci_frontend->disable_msi(dev);
}
static inline int xen_pci_frontend_enable_msix(struct pci_dev *dev,
- int **vectors, int nvec)
+ int vectors[], int nvec)
{
if (xen_pci_frontend && xen_pci_frontend->enable_msix)
return xen_pci_frontend->enable_msix(dev, vectors, nvec);
generated by cgit v0.10.2 at 2024-09-22 15:25:55 (GMT)