Separated out the Etherboot-specific parts of the old pxe.h header.

diff --git a/src/include/pxe_internal.h b/src/include/pxe_internal.h
new file mode 100644 (file)
index 0000000..7a89d5d
--- /dev/null
+++ b/src/include/pxe_internal.h
@@ -0,0 +1,88 @@
+#ifndef PXE_INTERNAL_H
+#define PXE_INTERNAL_H
+
+/* Union used for PXE API calls; we don't know the type of the
+ * structure until we interpret the opcode.  Also, Status is available
+ * in the same location for any opcode, and it's convenient to have
+ * non-specific access to it.
+ */
+union u_PXENV_ANY {
+       /* Make it easy to read status for any operation */
+       PXENV_STATUS_t                          Status;
+       struct s_PXENV_UNLOAD_STACK             unload_stack;
+       struct s_PXENV_GET_CACHED_INFO          get_cached_info;
+       struct s_PXENV_RESTART_TFTP             restart_tftp;
+       struct s_PXENV_START_UNDI               start_undi;
+       struct s_PXENV_STOP_UNDI                stop_undi;
+       struct s_PXENV_START_BASE               start_base;
+       struct s_PXENV_STOP_BASE                stop_base;
+       struct s_PXENV_TFTP_OPEN                tftp_open;
+       struct s_PXENV_TFTP_CLOSE               tftp_close;
+       struct s_PXENV_TFTP_READ                tftp_read;
+       struct s_PXENV_TFTP_READ_FILE           tftp_read_file;
+       struct s_PXENV_TFTP_GET_FSIZE           tftp_get_fsize;
+       struct s_PXENV_UDP_OPEN                 udp_open;
+       struct s_PXENV_UDP_CLOSE                udp_close;
+       struct s_PXENV_UDP_WRITE                udp_write;
+       struct s_PXENV_UDP_READ                 udp_read;
+       struct s_PXENV_UNDI_STARTUP             undi_startup;
+       struct s_PXENV_UNDI_CLEANUP             undi_cleanup;
+       struct s_PXENV_UNDI_INITIALIZE          undi_initialize;
+       struct s_PXENV_UNDI_RESET_ADAPTER       undi_reset_adapter;
+       struct s_PXENV_UNDI_SHUTDOWN            undi_shutdown;
+       struct s_PXENV_UNDI_OPEN                undi_open;
+       struct s_PXENV_UNDI_CLOSE               undi_close;
+       struct s_PXENV_UNDI_TRANSMIT            undi_transmit;
+       struct s_PXENV_UNDI_SET_MCAST_ADDRESS   undi_set_mcast_address;
+       struct s_PXENV_UNDI_SET_STATION_ADDRESS undi_set_station_address;
+       struct s_PXENV_UNDI_SET_PACKET_FILTER   undi_set_packet_filter;
+       struct s_PXENV_UNDI_GET_INFORMATION     undi_get_information;
+       struct s_PXENV_UNDI_GET_STATISTICS      undi_get_statistics;
+       struct s_PXENV_UNDI_CLEAR_STATISTICS    undi_clear_statistics;
+       struct s_PXENV_UNDI_INITIATE_DIAGS      undi_initiate_diags;
+       struct s_PXENV_UNDI_FORCE_INTERRUPT     undi_force_interrupt;
+       struct s_PXENV_UNDI_GET_MCAST_ADDRESS   undi_get_mcast_address;
+       struct s_PXENV_UNDI_GET_NIC_TYPE        undi_get_nic_type;
+       struct s_PXENV_UNDI_GET_IFACE_INFO      undi_get_iface_info;
+       struct s_PXENV_UNDI_GET_STATE           undi_get_state;
+       struct s_PXENV_UNDI_ISR                 undi_isr;
+};
+
+typedef union u_PXENV_ANY PXENV_ANY_t;
+
+/* PXE stack status indicator.  See pxe_export.c for further
+ * explanation.
+ */
+typedef enum {
+       CAN_UNLOAD = 0,
+       MIDWAY,
+       READY
+} pxe_stack_state_t;
+
+/* Data structures installed as part of a PXE stack.  Architectures
+ * will have extra information to append to the end of this.
+ */
+#define PXE_TFTP_MAGIC_COOKIE ( ( 'P'<<24 ) | ( 'x'<<16 ) | ( 'T'<<8 ) | 'f' )
+typedef struct {
+       pxe_t           pxe     __attribute__ ((aligned(16)));
+       pxenv_t         pxenv   __attribute__ ((aligned(16)));
+       pxe_stack_state_t state;
+       union {
+               BOOTPLAYER      cached_info;
+               char            packet[ETH_FRAME_LEN];
+               struct {
+                       uint32_t magic_cookie;
+                       unsigned int len;
+                       int eof;
+                       char data[TFTP_MAX_PACKET];
+               } tftpdata;
+               struct {
+                       char *buffer;
+                       uint32_t offset;
+                       uint32_t bufferlen;
+               } readfile;
+       };
+       struct {}       arch_data __attribute__ ((aligned(16)));
+} pxe_stack_t;
+
+#endif /* PXE_INTERNAL_H */