]> git.saurik.com Git - apple/xnu.git/blobdiff - osfmk/kdp/kdp_protocol.h
xnu-2422.1.72.tar.gz
[apple/xnu.git] / osfmk / kdp / kdp_protocol.h
index 1eb174cec08a64d3d3deac88137ae9dc95041f07..eb86bae103cdb7de40e8c174b776d08610ab766c 100644 (file)
  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 
+#ifndef _KDP_PROTOCOL_H_
+#define _KDP_PROTOCOL_H_
+
 /*
  * Definition of remote debugger protocol.
  */
 
+
+#ifdef MACH_KERNEL_PRIVATE
 #include       <mach/vm_prot.h>
+#include       <stdint.h>
+#endif
+
+#ifdef KDP_PROXY_PACK_SUPPORT
+#pragma pack(1)
+#define KDP_PACKED
+#else
+#define KDP_PACKED __attribute__((packed))
+#endif
 
 /*
  * Retransmit parameters
@@ -42,6 +56,7 @@
 #endif /* DDEBUG_DEBUG || DEBUG_DEBUG */
 #define        KDP_REXMIT_TRIES        8       /* xmit 8 times, then give up */
 
+
 /*
  * (NMI) Attention Max Wait Time
  * Remote will resume unless KDP requests is received within this
@@ -98,19 +113,63 @@ typedef enum {
        KDP_REATTACH,
 
        /* remote reboot request */
-       KDP_HOSTREBOOT
+       KDP_HOSTREBOOT,
+
+       /* memory access (64-bit wide addresses). Version 11 protocol */
+       KDP_READMEM64,  KDP_WRITEMEM64,
+
+       /* breakpoint control (64-bit wide addresses). Version 11 protocol */
+       KDP_BREAKPOINT64_SET, KDP_BREAKPOINT64_REMOVE,
+       
+       /* kernel version string, like "xnu-1234.5~6". Version 11 protocol */
+       KDP_KERNELVERSION,
+       
+       /* physical memory access (64-bit wide addresses). Version 12 protocol */
+       KDP_READPHYSMEM64,      KDP_WRITEPHYSMEM64,
+
+        /* ioport access (8-, 16-, and 32-bit) */
+       KDP_READIOPORT, KDP_WRITEIOPORT,
+
+        /* msr access (64-bit) */
+       KDP_READMSR64,  KDP_WRITEMSR64,
+
+        /* get/dump panic/corefile info */
+        KDP_DUMPINFO,
+
+       /* keep this last */
+       KDP_INVALID_REQUEST
 } kdp_req_t;
 
+typedef enum {
+        KDP_DUMPINFO_GETINFO    = 0x00000000, 
+        KDP_DUMPINFO_SETINFO    = 0x00000001, 
+        KDP_DUMPINFO_CORE       = 0x00000102, 
+        KDP_DUMPINFO_PANICLOG   = 0x00000103, 
+        KDP_DUMPINFO_SYSTEMLOG  = 0x00000104, 
+        KDP_DUMPINFO_DISABLE    = 0x00000105, 
+        KDP_DUMPINFO_MASK       = 0x00000FFF,
+        KDP_DUMPINFO_DUMP       = 0x00000100,
+
+        KDP_DUMPINFO_REBOOT     = 0x10000000,
+        KDP_DUMPINFO_NORESUME   = 0x20000000,
+        KDP_DUMPINFO_RESUME     = 0x00000000, /* default behaviour */
+        KDP_DUMPINFO_NOINTR     = 0x40000000, /* don't interrupt */
+        KDP_DUMPINFO_INTR       = 0x00000000, /* default behaviour */
+} kdp_dumpinfo_t;
+
 /*
  * Common KDP packet header
+ * NOTE: kgmacros has a non-symboled version of kdp_hdr_t so that some basic information.
+ *       can be gathered from a kernel without any symbols. changes to this structure
+ *       need to be reflected in kgmacros as well.
  */
 typedef struct {
-       kdp_req_t       request:7;      /* request type */
+       kdp_req_t       request:7;      /* kdp_req_t, request type */
        unsigned        is_reply:1;     /* 0 => request, 1 => reply */
        unsigned        seq:8;          /* sequence number within session */
        unsigned        len:16;         /* length of entire pkt including hdr */
        unsigned        key;            /* session key */
-} kdp_hdr_t;
+} KDP_PACKED kdp_hdr_t;
 
 /*
  * KDP errors
@@ -119,9 +178,22 @@ typedef enum {
        KDPERR_NO_ERROR = 0,
        KDPERR_ALREADY_CONNECTED,
        KDPERR_BAD_NBYTES,
-       KDPERR_BADFLAVOR                /* bad flavor in w/r regs */
+       KDPERR_BADFLAVOR,               /* bad flavor in w/r regs */
+       KDPERR_BAD_ACCESS,              /* memory reference failure */
+
+       KDPERR_MAX_BREAKPOINTS = 100,
+       KDPERR_BREAKPOINT_NOT_FOUND = 101,
+       KDPERR_BREAKPOINT_ALREADY_SET = 102
 } kdp_error_t;
 
+#if defined(__x86_64__) 
+#define KDPERR_ACCESS(_req,_ret)  \
+       (((_req) == (uint32_t)(_ret)) ? KDPERR_NO_ERROR : KDPERR_BAD_ACCESS)
+#else
+#define KDPERR_ACCESS(req,cnt) (KDPERR_NO_ERROR)
+#endif /* x86_64 */
+
+
 /*
  * KDP requests and reply packet formats
  */
@@ -131,163 +203,289 @@ typedef enum {
  */
 typedef struct {                       /* KDP_CONNECT request */
        kdp_hdr_t       hdr;
-       unsigned short  req_reply_port; /* udp port which to send replies */
-       unsigned short  exc_note_port;  /* udp port which to send exc notes */
-       char            greeting[0];    /* "greetings", null-terminated */
-} kdp_connect_req_t;
+       uint16_t        req_reply_port; /* udp port which to send replies */
+       uint16_t        exc_note_port;  /* udp port which to send exc notes */
+       char            greeting[0];    /* "greetings", nul-terminated */
+} KDP_PACKED kdp_connect_req_t;
 
 typedef struct {                       /* KDP_CONNECT reply */
        kdp_hdr_t       hdr;
        kdp_error_t     error;
-} kdp_connect_reply_t;
+} KDP_PACKED kdp_connect_reply_t;
 
 /*
  * KDP_DISCONNECT
  */
 typedef struct {                       /* KDP_DISCONNECT request */
        kdp_hdr_t       hdr;
-} kdp_disconnect_req_t;
+} KDP_PACKED kdp_disconnect_req_t;
 
 typedef struct {                       /* KDP_DISCONNECT reply */
        kdp_hdr_t       hdr;
-} kdp_disconnect_reply_t;
+} KDP_PACKED kdp_disconnect_reply_t;
 
 /*
  * KDP_REATTACH
  */
 typedef struct {
   kdp_hdr_t hdr;
-  unsigned short req_reply_port; /* udp port which to send replies */
-} kdp_reattach_req_t;
+  uint16_t req_reply_port; /* udp port which to send replies */
+} KDP_PACKED kdp_reattach_req_t;
 
 /*
  * KDP_HOSTINFO
  */
 typedef struct {                       /* KDP_HOSTINFO request */
        kdp_hdr_t       hdr;
-} kdp_hostinfo_req_t;
+} KDP_PACKED kdp_hostinfo_req_t;
 
 typedef struct {
-       unsigned        cpus_mask;      /* bit is 1 if cpu present */
-       int             cpu_type;
-       int             cpu_subtype;
-} kdp_hostinfo_t;
+       uint32_t                cpus_mask;      /* bit is 1 if cpu present */
+       uint32_t                cpu_type;
+       uint32_t                cpu_subtype;
+} KDP_PACKED kdp_hostinfo_t;
 
 typedef struct {                       /* KDP_HOSTINFO reply */
        kdp_hdr_t       hdr;
        kdp_hostinfo_t  hostinfo;
-} kdp_hostinfo_reply_t;
+} KDP_PACKED kdp_hostinfo_reply_t;
 
 /*
  * KDP_VERSION
  */
 typedef struct {                       /* KDP_VERSION request */
        kdp_hdr_t       hdr;
-} kdp_version_req_t;
+} KDP_PACKED kdp_version_req_t;
 
 #define        KDP_FEATURE_BP  0x1     /* local breakpoint support */
 
-typedef struct {                       /* KDP_REGIONS reply */
+typedef struct {                       /* KDP_VERSION reply */
        kdp_hdr_t       hdr;
-       unsigned        version;
-       unsigned        feature;
-       unsigned        pad0;
-       unsigned        pad1;
-} kdp_version_reply_t;
+       uint32_t        version;
+       uint32_t        feature;
+       uint32_t        pad0;
+       uint32_t        pad1;
+} KDP_PACKED kdp_version_reply_t;
+
+#define        VM_PROT_VOLATILE        ((vm_prot_t) 0x08)      /* not cacheable */
+#define        VM_PROT_SPARSE          ((vm_prot_t) 0x10)      /* sparse addr space */
 
 /*
  * KDP_REGIONS
  */
 typedef struct {                       /* KDP_REGIONS request */
        kdp_hdr_t       hdr;
-} kdp_regions_req_t;
-
-#define        VM_PROT_VOLATILE        ((vm_prot_t) 0x08)      /* not cacheable */
-#define        VM_PROT_SPARSE          ((vm_prot_t) 0x10)      /* sparse addr space */
+} KDP_PACKED kdp_regions_req_t;
 
 typedef struct {
-       void            *address;
-       unsigned        nbytes;
-       vm_prot_t       protection;
-} kdp_region_t;
+       uint32_t        address;
+       uint32_t        nbytes;
+       uint32_t        protection;     /* vm_prot_t */
+} KDP_PACKED kdp_region_t;
 
 typedef struct {                       /* KDP_REGIONS reply */
        kdp_hdr_t       hdr;
-       unsigned        nregions;
+       uint32_t        nregions;
        kdp_region_t    regions[0];
-} kdp_regions_reply_t;
+} KDP_PACKED kdp_regions_reply_t;
 
 /*
  * KDP_MAXBYTES
  */
 typedef struct {                       /* KDP_MAXBYTES request */
        kdp_hdr_t       hdr;
-} kdp_maxbytes_req_t;
+} KDP_PACKED kdp_maxbytes_req_t;
 
 typedef struct {                       /* KDP_MAXBYTES reply */
        kdp_hdr_t       hdr;
-       unsigned        max_bytes;
-} kdp_maxbytes_reply_t;
+       uint32_t        max_bytes;
+} KDP_PACKED kdp_maxbytes_reply_t;
 
 /*
  * KDP_READMEM
  */
 typedef struct {                       /* KDP_READMEM request */
        kdp_hdr_t       hdr;
-       void            *address;
-       unsigned        nbytes;
-} kdp_readmem_req_t;
+       uint32_t        address;
+       uint32_t        nbytes;
+} KDP_PACKED kdp_readmem_req_t;
 
 typedef struct {                       /* KDP_READMEM reply */
        kdp_hdr_t       hdr;
        kdp_error_t     error;
        char            data[0];
-} kdp_readmem_reply_t;
+} KDP_PACKED kdp_readmem_reply_t;
+
+/*
+ * KDP_READMEM64
+ */
+typedef struct {                       /* KDP_READMEM64 request */
+       kdp_hdr_t       hdr;
+       uint64_t        address;
+       uint32_t        nbytes;
+} KDP_PACKED kdp_readmem64_req_t;
+
+typedef struct {                       /* KDP_READMEM64 reply */
+       kdp_hdr_t       hdr;
+       kdp_error_t     error;
+       char            data[0];
+} KDP_PACKED kdp_readmem64_reply_t;
+
+/*
+ * KDP_READPHYSMEM64
+ */
+typedef struct {                       /* KDP_READPHYSMEM64 request */
+       kdp_hdr_t       hdr;
+       uint64_t        address;
+       uint32_t        nbytes;
+       uint16_t        lcpu;
+} KDP_PACKED kdp_readphysmem64_req_t;
+
+typedef struct {                       /* KDP_READPHYSMEM64 reply */
+       kdp_hdr_t       hdr;
+       kdp_error_t     error;
+       char            data[0];
+} KDP_PACKED kdp_readphysmem64_reply_t;
 
 /*
  * KDP_WRITEMEM
  */
 typedef struct {                       /* KDP_WRITEMEM request */
        kdp_hdr_t       hdr;
-       void            *address;
-       unsigned        nbytes;
+       uint32_t        address;
+       uint32_t        nbytes;
        char            data[0];
-} kdp_writemem_req_t;
+} KDP_PACKED kdp_writemem_req_t;
 
 typedef struct {                       /* KDP_WRITEMEM reply */
        kdp_hdr_t       hdr;
        kdp_error_t     error;
-} kdp_writemem_reply_t;
+} KDP_PACKED kdp_writemem_reply_t;
+
+/*
+ * KDP_WRITEMEM64
+ */
+typedef struct {                       /* KDP_WRITEMEM64 request */
+       kdp_hdr_t       hdr;
+       uint64_t        address;
+       uint32_t        nbytes;
+       char            data[0];
+} KDP_PACKED kdp_writemem64_req_t;
+
+typedef struct {                       /* KDP_WRITEMEM64 reply */
+       kdp_hdr_t       hdr;
+       kdp_error_t     error;
+} KDP_PACKED kdp_writemem64_reply_t;
+
+/*
+ * KDP_WRITEPHYSMEM64
+ */
+typedef struct {                       /* KDP_WRITEPHYSMEM64 request */
+       kdp_hdr_t       hdr;
+       uint64_t        address;
+       uint32_t        nbytes;
+       uint16_t        lcpu;
+       char            data[0];
+} KDP_PACKED kdp_writephysmem64_req_t;
+
+typedef struct {                       /* KDP_WRITEPHYSMEM64 reply */
+       kdp_hdr_t       hdr;
+       kdp_error_t     error;
+} KDP_PACKED kdp_writephysmem64_reply_t;
+
+/*
+ * KDP_WRITEIOPORT
+ */
+typedef struct {                       /* KDP_WRITEIOPORT request */
+       kdp_hdr_t       hdr;
+       uint16_t        lcpu;
+       uint16_t        address;
+       uint16_t        nbytes;
+       char            data[0];
+} KDP_PACKED kdp_writeioport_req_t;
+
+typedef struct {                       /* KDP_WRITEIOPORT reply */
+       kdp_hdr_t       hdr;
+       kdp_error_t     error;
+} KDP_PACKED kdp_writeioport_reply_t;
+
+/*
+ * KDP_READIOPORT
+ */
+typedef struct {                       /* KDP_READIOPORT request */
+       kdp_hdr_t       hdr;
+       uint16_t        lcpu;
+       uint16_t        address;
+       uint16_t        nbytes;
+} KDP_PACKED kdp_readioport_req_t;
+
+typedef struct {                       /* KDP_READIOPORT reply */
+       kdp_hdr_t       hdr;
+       kdp_error_t     error;
+       char            data[0];
+} KDP_PACKED kdp_readioport_reply_t;
+
+
+/*
+ * KDP_WRITEMSR64
+ */
+typedef struct {                       /* KDP_WRITEMSR64 request */
+       kdp_hdr_t       hdr;
+       uint32_t        address;
+       uint16_t        lcpu;
+       char            data[0];
+} KDP_PACKED kdp_writemsr64_req_t;
+
+typedef struct {                       /* KDP_WRITEMSR64 reply */
+       kdp_hdr_t       hdr;
+       kdp_error_t     error;
+} KDP_PACKED kdp_writemsr64_reply_t;
+
+/*
+ * KDP_READMSR64
+ */
+typedef struct {                       /* KDP_READMSR64 request */
+       kdp_hdr_t       hdr;
+       uint32_t        address;
+       uint16_t        lcpu;
+} KDP_PACKED kdp_readmsr64_req_t;
+
+typedef struct {                       /* KDP_READMSR64 reply */
+       kdp_hdr_t       hdr;
+       kdp_error_t     error;
+       char            data[0];
+} KDP_PACKED kdp_readmsr64_reply_t;
+
 
 /*
  * KDP_READREGS
  */
 typedef struct {                       /* KDP_READREGS request */
        kdp_hdr_t       hdr;
-       unsigned        cpu;
-       unsigned        flavor;
-} kdp_readregs_req_t;
+       uint32_t        cpu;
+       uint32_t        flavor;
+} KDP_PACKED kdp_readregs_req_t;
 
 typedef struct {                       /* KDP_READREGS reply */
        kdp_hdr_t       hdr;
        kdp_error_t     error;          /* could be KDPERR_BADFLAVOR */
        char            data[0];
-} kdp_readregs_reply_t;
+} KDP_PACKED kdp_readregs_reply_t;
 
 /*
  * KDP_WRITEREGS
  */
 typedef struct {                       /* KDP_WRITEREGS request */
        kdp_hdr_t       hdr;
-       unsigned        cpu;
-       unsigned        flavor;
+       uint32_t        cpu;
+       uint32_t        flavor;
        char            data[0];
-} kdp_writeregs_req_t;
+} KDP_PACKED kdp_writeregs_req_t;
 
 typedef struct {                       /* KDP_WRITEREGS reply */
        kdp_hdr_t       hdr;
        kdp_error_t     error;
-} kdp_writeregs_reply_t;
+} KDP_PACKED kdp_writeregs_reply_t;
 
 /*
  * KDP_LOAD
@@ -295,57 +493,75 @@ typedef struct {                  /* KDP_WRITEREGS reply */
 typedef struct {                       /* KDP_LOAD request */
        kdp_hdr_t       hdr;
        char            file_args[0];
-} kdp_load_req_t;
+} KDP_PACKED kdp_load_req_t;
 
 typedef struct {                       /* KDP_LOAD reply */
        kdp_hdr_t       hdr;
        kdp_error_t     error;
-} kdp_load_reply_t;
+} KDP_PACKED kdp_load_reply_t;
 
 /*
  * KDP_IMAGEPATH
  */
 typedef struct {                       /* KDP_IMAGEPATH request */
        kdp_hdr_t       hdr;
-} kdp_imagepath_req_t;
+} KDP_PACKED kdp_imagepath_req_t;
 
 typedef struct {                       /* KDP_IMAGEPATH reply */
        kdp_hdr_t       hdr;
        char            path[0];
-} kdp_imagepath_reply_t;
+} KDP_PACKED kdp_imagepath_reply_t;
 
 /*
  * KDP_SUSPEND
  */
 typedef struct {                       /* KDP_SUSPEND request */
        kdp_hdr_t       hdr;
-} kdp_suspend_req_t;
+} KDP_PACKED kdp_suspend_req_t;
 
 typedef struct {                       /* KDP_SUSPEND reply */
        kdp_hdr_t       hdr;
-} kdp_suspend_reply_t;
+} KDP_PACKED kdp_suspend_reply_t;
 
 /*
  * KDP_RESUMECPUS
  */
 typedef struct {                       /* KDP_RESUMECPUS request */
        kdp_hdr_t       hdr;
-       unsigned        cpu_mask;
-} kdp_resumecpus_req_t;
+       uint32_t        cpu_mask;
+} KDP_PACKED kdp_resumecpus_req_t;
 
 typedef struct {                       /* KDP_RESUMECPUS reply */
        kdp_hdr_t       hdr;
-} kdp_resumecpus_reply_t;
+} KDP_PACKED kdp_resumecpus_reply_t;
+
+/*
+ * KDP_BREAKPOINT_SET and KDP_BREAKPOINT_REMOVE
+ */
 
 typedef struct {
   kdp_hdr_t hdr;
-  unsigned long address;
-} kdp_breakpoint_req_t;
+  uint32_t     address;
+} KDP_PACKED kdp_breakpoint_req_t;
 
 typedef struct {
   kdp_hdr_t hdr;
   kdp_error_t error;
-} kdp_breakpoint_reply_t;
+} KDP_PACKED kdp_breakpoint_reply_t;
+
+/*
+ * KDP_BREAKPOINT64_SET and KDP_BREAKPOINT64_REMOVE
+ */
+
+typedef struct {
+       kdp_hdr_t hdr;
+       uint64_t        address;
+} KDP_PACKED kdp_breakpoint64_req_t;
+
+typedef struct {
+       kdp_hdr_t hdr;
+       kdp_error_t error;
+} KDP_PACKED kdp_breakpoint64_reply_t;
 
 /*
  * Exception notifications
@@ -353,25 +569,38 @@ typedef struct {
  * the remote debugger to the gdb agent KDB.)
  */
 typedef struct {                       /* exc. info for one cpu */
-       unsigned        cpu;
+       uint32_t        cpu;
        /*
         * Following info is defined as
         * per <mach/exception.h>
         */
-       unsigned        exception;
-       unsigned        code;
-       unsigned        subcode;
-} kdp_exc_info_t;
+       uint32_t        exception;
+       uint32_t        code;
+       uint32_t        subcode;
+} KDP_PACKED kdp_exc_info_t;
 
 typedef struct {                       /* KDP_EXCEPTION notification */
        kdp_hdr_t       hdr;
-       unsigned        n_exc_info;
+       uint32_t        n_exc_info;
        kdp_exc_info_t  exc_info[0];
-} kdp_exception_t;
+} KDP_PACKED kdp_exception_t;
 
 typedef struct {                       /* KDP_EXCEPTION acknowledgement */
        kdp_hdr_t       hdr;
-} kdp_exception_ack_t;
+} KDP_PACKED kdp_exception_ack_t;
+
+/*
+ * KDP_KERNELVERSION
+ */
+typedef struct {                       /* KDP_KERNELVERSION request */
+       kdp_hdr_t       hdr;
+} KDP_PACKED kdp_kernelversion_req_t;
+
+typedef struct {                       /* KDP_KERNELVERSION reply */
+       kdp_hdr_t       hdr;
+       char            version[0];
+} KDP_PACKED kdp_kernelversion_reply_t;
+
 
 /*
  * Child termination messages
@@ -386,13 +615,35 @@ typedef enum {
 
 typedef struct {                       /* KDP_TERMINATION notification */
        kdp_hdr_t               hdr;
-       kdp_termination_code_t  term_code;
-       unsigned                exit_code;
-} kdp_termination_t;
+       uint32_t                term_code;      /* kdp_termination_code_t */
+       uint32_t                exit_code;
+} KDP_PACKED kdp_termination_t;
 
 typedef struct {
        kdp_hdr_t       hdr;
-} kdp_termination_ack_t;
+} KDP_PACKED kdp_termination_ack_t;
+
+/*
+ * KDP_DUMPINFO
+ */
+typedef struct {                       /* KDP_DUMPINFO request */
+       kdp_hdr_t       hdr;
+        char            name[50];       
+       char            destip[16];
+       char            routerip[16];
+       uint32_t        port;
+       kdp_dumpinfo_t  type;
+} KDP_PACKED kdp_dumpinfo_req_t;
+
+typedef struct {                       /* KDP_DUMPINFO reply */
+       kdp_hdr_t       hdr;
+        char            name[50];       
+       char            destip[16];
+       char            routerip[16];
+       uint32_t        port;
+       kdp_dumpinfo_t  type;
+} KDP_PACKED kdp_dumpinfo_reply_t;
+
 
 typedef union {
        kdp_hdr_t               hdr;
@@ -408,8 +659,16 @@ typedef union {
        kdp_maxbytes_reply_t    maxbytes_reply;
        kdp_readmem_req_t       readmem_req;
        kdp_readmem_reply_t     readmem_reply;
+       kdp_readmem64_req_t     readmem64_req;
+       kdp_readmem64_reply_t   readmem64_reply;
+       kdp_readphysmem64_req_t readphysmem64_req;
+       kdp_readphysmem64_reply_t       readphysmem64_reply;
        kdp_writemem_req_t      writemem_req;
        kdp_writemem_reply_t    writemem_reply;
+       kdp_writemem64_req_t    writemem64_req;
+       kdp_writemem64_reply_t  writemem64_reply;
+       kdp_writephysmem64_req_t        writephysmem64_req;
+       kdp_writephysmem64_reply_t      writephysmem64_reply;
        kdp_readregs_req_t      readregs_req;
        kdp_readregs_reply_t    readregs_reply;
        kdp_writeregs_req_t     writeregs_req;
@@ -428,10 +687,42 @@ typedef union {
        kdp_termination_ack_t   termination_ack;
        kdp_breakpoint_req_t    breakpoint_req;
        kdp_breakpoint_reply_t  breakpoint_reply;
+       kdp_breakpoint64_req_t  breakpoint64_req;
+       kdp_breakpoint64_reply_t        breakpoint64_reply;
        kdp_reattach_req_t      reattach_req;
        kdp_regions_req_t       regions_req;
        kdp_regions_reply_t     regions_reply;
+       kdp_kernelversion_req_t kernelversion_req;
+       kdp_kernelversion_reply_t       kernelversion_reply;
+       kdp_readioport_req_t    readioport_req;
+       kdp_readioport_reply_t  readioport_reply;
+       kdp_writeioport_req_t   writeioport_req;
+       kdp_writeioport_reply_t writeioport_reply;
+       kdp_readmsr64_req_t     readmsr64_req;
+       kdp_readmsr64_reply_t   readmsr64_reply;
+       kdp_writemsr64_req_t    writemsr64_req;
+       kdp_writemsr64_reply_t  writemsr64_reply;
+       kdp_dumpinfo_req_t      dumpinfo_req;
+       kdp_dumpinfo_reply_t    dumpinfo_reply;
 } kdp_pkt_t;
 
 #define MAX_KDP_PKT_SIZE       1200    /* max packet size */
 #define MAX_KDP_DATA_SIZE      1024    /* max r/w data per packet */
+
+/*
+ * Support relatively small request/responses here.
+ * If kgmacros needs to make a larger request, increase
+ * this buffer size
+ */
+#define KDP_MANUAL_PACKET_SIZE 128
+struct kdp_manual_pkt {
+    unsigned char      data[KDP_MANUAL_PACKET_SIZE];
+    unsigned int       len;
+    boolean_t          input;
+} KDP_PACKED;
+
+#ifdef KDP_PROXY_PACK_SUPPORT
+#pragma pack()
+#endif
+
+#endif // _KDP_PROTOCOL_H_