[Qemu-ppc] [PATCH 1/2] Header update for guest debug suuport

[Bharat Bhushan]

Signed-off-by: Bharat Bhushan <address@hidden>
---
 linux-headers/asm-powerpc/kvm.h |   33 +++++++++++++++++++++++++++++++++
 1 files changed, 33 insertions(+), 0 deletions(-)

diff --git a/linux-headers/asm-powerpc/kvm.h b/linux-headers/asm-powerpc/kvm.h
index 1bea4d8..da71c84 100644
--- a/linux-headers/asm-powerpc/kvm.h
+++ b/linux-headers/asm-powerpc/kvm.h
@@ -25,6 +25,7 @@
 /* Select powerpc specific features in <linux/kvm.h> */
 #define __KVM_HAVE_SPAPR_TCE
 #define __KVM_HAVE_PPC_SMT
+#define __KVM_HAVE_GUEST_DEBUG
 
 struct kvm_regs {
        __u64 pc;
@@ -221,6 +222,12 @@ struct kvm_sregs {
 
                        __u32 dbsr;     /* KVM_SREGS_E_UPDATE_DBSR */
                        __u32 dbcr[3];
+                       /*
+                        * iac/dac registers are 64bit wide, while this API
+                        * interface provides only lower 32 bits on 64 bit
+                        * processors. ONE_REG interface is added for 64bit
+                        * iac/dac registers.
+                        */
                        __u32 iac[4];
                        __u32 dac[2];
                        __u32 dvc[2];
@@ -259,10 +266,19 @@ struct kvm_fpu {
 };
 
 struct kvm_debug_exit_arch {
+       __u32 exception;
+       __u32 pc;
+       __u32 status;
 };
 
 /* for KVM_SET_GUEST_DEBUG */
 struct kvm_guest_debug_arch {
+       struct {
+               __u64 addr;
+               __u32 type;
+               __u32 pad1;
+               __u64 pad2;
+       } bp[16];
 };
 
 /* definition of registers in kvm_run */
@@ -279,6 +295,17 @@ struct kvm_sync_regs {
 #define KVM_CPU_3S_64          4
 #define KVM_CPU_E500MC         5
 
+/* Debug related defines */
+#define KVM_INST_GUESTGDB               0x7C00021C      /* ehpriv OC=0 */
+
+#define KVM_GUESTDBG_USE_SW_BP          0x00010000
+#define KVM_GUESTDBG_USE_HW_BP          0x00020000
+
+#define KVMPPC_DEBUG_NOTYPE             0x0
+#define KVMPPC_DEBUG_BREAKPOINT         (1UL << 1)
+#define KVMPPC_DEBUG_WATCH_WRITE        (1UL << 2)
+#define KVMPPC_DEBUG_WATCH_READ         (1UL << 3)
+
 /* for KVM_CAP_SPAPR_TCE */
 struct kvm_create_spapr_tce {
        __u64 liobn;
@@ -326,5 +353,11 @@ struct kvm_book3e_206_tlb_params {
 };
 
 #define KVM_REG_PPC_HIOR       (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x1)
+#define KVM_REG_PPC_IAC1       (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x2)
+#define KVM_REG_PPC_IAC2       (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x3)
+#define KVM_REG_PPC_IAC3       (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x4)
+#define KVM_REG_PPC_IAC4       (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x5)
+#define KVM_REG_PPC_DAC1       (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x6)
+#define KVM_REG_PPC_DAC2       (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x7)
 
 #endif /* __LINUX_KVM_POWERPC_H */
-- 
1.7.0.4