# HG changeset patch
# User awilliam@xxxxxxxxxxx
# Node ID d63c6ba11c6590600b223533ffaa673f1af7bfcf
# Parent 8a2b2b45e237a2dcbe914a642abe13682a7fd3b2
[IA64] add dom0vp hypercall interfaces
adds the dom0vp hypercall interfaces.
Signed-off-by: Isaku Yamahata <yamahata@xxxxxxxxxxxxx>
diff -r 8a2b2b45e237 -r d63c6ba11c65
linux-2.6-xen-sparse/include/asm-ia64/hypercall.h
--- a/linux-2.6-xen-sparse/include/asm-ia64/hypercall.h Tue Apr 25 13:57:56
2006 -0600
+++ b/linux-2.6-xen-sparse/include/asm-ia64/hypercall.h Tue Apr 25 14:02:21
2006 -0600
@@ -271,4 +271,210 @@ static inline void exit_idle(void) {}
static inline void exit_idle(void) {}
#define do_IRQ(irq, regs) __do_IRQ((irq), (regs))
+#ifdef CONFIG_XEN_IA64_DOM0_VP
+#include <asm/xen/privop.h>
+
+#define _hypercall_imm1(type, name, imm, a1) \
+({ \
+ long __res; \
+ __asm__ __volatile__ (";;\n" \
+ "mov r14=%2\n" \
+ "mov r15=%3\n" \
+ "mov r2=%1\n" \
+ "break 0x1000 ;;\n" \
+ "mov %0=r8 ;;\n" \
+ : "=r" (__res) \
+ : "i" (__HYPERVISOR_##name), \
+ "i" (imm), \
+ "r" ((unsigned long)(a1)) \
+ : "r14","r15","r2","r8", \
+ "memory" ); \
+ (type)__res; \
+})
+
+#define _hypercall_imm2(type, name, imm, a1, a2) \
+({ \
+ long __res; \
+ __asm__ __volatile__ (";;\n" \
+ "mov r14=%2\n" \
+ "mov r15=%3\n" \
+ "mov r16=%4\n" \
+ "mov r2=%1\n" \
+ "break 0x1000 ;;\n" \
+ "mov %0=r8 ;;\n" \
+ : "=r" (__res) \
+ : "i" (__HYPERVISOR_##name), \
+ "i" (imm), \
+ "r" ((unsigned long)(a1)), \
+ "r" ((unsigned long)(a2)) \
+ : "r14","r15","r16","r2","r8", \
+ "memory" ); \
+ (type)__res; \
+})
+
+#define _hypercall_imm3(type, name, imm, a1, a2, a3) \
+({ \
+ long __res; \
+ __asm__ __volatile__ (";;\n" \
+ "mov r14=%2\n" \
+ "mov r15=%3\n" \
+ "mov r16=%4\n" \
+ "mov r17=%5\n" \
+ "mov r2=%1\n" \
+ "break 0x1000 ;;\n" \
+ "mov %0=r8 ;;\n" \
+ : "=r" (__res) \
+ : "i" (__HYPERVISOR_##name), \
+ "i" (imm), \
+ "r" ((unsigned long)(a1)), \
+ "r" ((unsigned long)(a2)), \
+ "r" ((unsigned long)(a3)) \
+ : "r14","r15","r16","r17", \
+ "r2","r8", \
+ "memory" ); \
+ (type)__res; \
+})
+
+#define _hypercall_imm4(type, name, imm, a1, a2, a3, a4) \
+({ \
+ long __res; \
+ __asm__ __volatile__ (";;\n" \
+ "mov r14=%2\n" \
+ "mov r15=%3\n" \
+ "mov r16=%4\n" \
+ "mov r17=%5\n" \
+ "mov r18=%6\n" \
+ "mov r2=%1\n" \
+ "break 0x1000 ;;\n" \
+ "mov %0=r8 ;;\n" \
+ : "=r" (__res) \
+ : "i" (__HYPERVISOR_##name), \
+ "i" (imm), \
+ "r" ((unsigned long)(a1)), \
+ "r" ((unsigned long)(a2)), \
+ "r" ((unsigned long)(a3)), \
+ "r" ((unsigned long)(a4)) \
+ : "r14","r15","r16","r17","r18", \
+ "r2","r8", \
+ "memory" ); \
+ (type)__res; \
+})
+
+static inline unsigned long
+__HYPERVISOR_ioremap(unsigned long ioaddr, unsigned long size)
+{
+ return _hypercall_imm2(unsigned long, ia64_dom0vp_op,
+ IA64_DOM0VP_ioremap, ioaddr, size);
+}
+
+static inline unsigned long
+HYPERVISOR_ioremap(unsigned long ioaddr, unsigned long size)
+{
+ unsigned long ret = ioaddr;
+ if (running_on_xen) {
+ ret = __HYPERVISOR_ioremap(ioaddr, size);
+ }
+ return ret;
+}
+
+static inline unsigned long
+__HYPERVISOR_phystomach(unsigned long gpfn)
+{
+ return _hypercall_imm1(unsigned long, ia64_dom0vp_op,
+ IA64_DOM0VP_phystomach, gpfn);
+}
+
+static inline unsigned long
+HYPERVISOR_phystomach(unsigned long gpfn)
+{
+ unsigned long ret = gpfn;
+ if (running_on_xen) {
+ ret = __HYPERVISOR_phystomach(gpfn);
+ }
+ return ret;
+}
+
+static inline unsigned long
+__HYPERVISOR_machtophys(unsigned long mfn)
+{
+ return _hypercall_imm1(unsigned long, ia64_dom0vp_op,
+ IA64_DOM0VP_machtophys, mfn);
+}
+
+static inline unsigned long
+HYPERVISOR_machtophys(unsigned long mfn)
+{
+ unsigned long ret = mfn;
+ if (running_on_xen) {
+ ret = __HYPERVISOR_machtophys(mfn);
+ }
+ return ret;
+}
+
+static inline unsigned long
+__HYPERVISOR_populate_physmap(unsigned long gpfn, unsigned int extent_order,
+ unsigned int address_bits)
+{
+ return _hypercall_imm3(unsigned long, ia64_dom0vp_op,
+ IA64_DOM0VP_populate_physmap, gpfn,
+ extent_order, address_bits);
+}
+
+static inline unsigned long
+HYPERVISOR_populate_physmap(unsigned long gpfn, unsigned int extent_order,
+ unsigned int address_bits)
+{
+ unsigned long ret = 0;
+ if (running_on_xen) {
+ ret = __HYPERVISOR_populate_physmap(gpfn, extent_order,
+ address_bits);
+ }
+ return ret;
+}
+
+static inline unsigned long
+__HYPERVISOR_zap_physmap(unsigned long gpfn, unsigned int extent_order)
+{
+ return _hypercall_imm2(unsigned long, ia64_dom0vp_op,
+ IA64_DOM0VP_zap_physmap, gpfn, extent_order);
+}
+
+static inline unsigned long
+HYPERVISOR_zap_physmap(unsigned long gpfn, unsigned int extent_order)
+{
+ unsigned long ret = 0;
+ if (running_on_xen) {
+ ret = __HYPERVISOR_zap_physmap(gpfn, extent_order);
+ }
+ return ret;
+}
+
+static inline unsigned long
+__HYPERVISOR_add_physmap(unsigned long gpfn, unsigned long mfn,
+ unsigned int flags, domid_t domid)
+{
+ return _hypercall_imm4(unsigned long, ia64_dom0vp_op,
+ IA64_DOM0VP_add_physmap, gpfn, mfn, flags,
+ domid);
+}
+static inline unsigned long
+HYPERVISOR_add_physmap(unsigned long gpfn, unsigned long mfn,
+ unsigned int flags, domid_t domid)
+{
+ unsigned long ret = 0;
+ BUG_ON(!running_on_xen);//XXX
+ if (running_on_xen) {
+ ret = __HYPERVISOR_add_physmap(gpfn, mfn, flags, domid);
+ }
+ return ret;
+}
+#else
+#define HYPERVISOR_ioremap(ioaddr, size) ({ioaddr;})
+#define HYPERVISOR_phystomach(gpfn) ({gpfn;})
+#define HYPERVISOR_machtophys(mfn) ({mfn;})
+#define HYPERVISOR_populate_physmap(gpfn, extent_order, address_bits) \
+ ({0;})
+#define HYPERVISOR_zap_physmap(gpfn, extent_order) ({0;})
+#define HYPERVISOR_add_physmap(gpfn, mfn, flags) ({0;})
+#endif
#endif /* __HYPERCALL_H__ */
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