3ddb79batzR40ZFY9dvgs5f1aM9I6g xenolinux-2.4.16-sparse/include/asm-xeno/hdreg.h
3ddb79b90xBgbeYgCcImS2ZxJakxBA xenolinux-2.4.16-sparse/include/asm-xeno/highmem.h
3ddb79baXLZV3dUKQI2gIYpAy67RuA xenolinux-2.4.16-sparse/include/asm-xeno/hw_irq.h
-3ddb79b82xfEY3yBet-2FXY4p8b7yg xenolinux-2.4.16-sparse/include/asm-xeno/hypervisor-ifs/block.h
-3ddb79b8KUSolAgH19qEzo1Ey0f1Ng xenolinux-2.4.16-sparse/include/asm-xeno/hypervisor-ifs/hypervisor-if.h
-3ddb79b8J0Y2UA8NKoN5Ng71WFQRIg xenolinux-2.4.16-sparse/include/asm-xeno/hypervisor-ifs/network.h
3ddb79bapQ9Z9ewa5O1pqAVaNBTazg xenolinux-2.4.16-sparse/include/asm-xeno/hypervisor.h
3ddb79baL-pjPI8hg5xjPgd4__SlOA xenolinux-2.4.16-sparse/include/asm-xeno/i387.h
3ddb79ba66TwvG7HpbBo04fRhmj3KQ xenolinux-2.4.16-sparse/include/asm-xeno/ide.h
akw27@boulderdash.cl.cam.ac.uk
+kaf24@plym.cl.cam.ac.uk
smh22@boulderdash.cl.cam.ac.uk
* Interface to Xeno hypervisor.
*/
-#include <hypervisor-ifs/network.h>
-#include <hypervisor-ifs/block.h>
+#include "network.h"
+#include "block.h"
#ifndef __HYPERVISOR_IF_H__
#define __HYPERVISOR_IF_H__
#define TRAP_INSTR "int $0x82"
-static inline int HYPERVISOR_set_trap_table(trap_info_t *table)
-{
- int ret;
- __asm__ __volatile__ (
- TRAP_INSTR
- : "=a" (ret) : "0" (__HYPERVISOR_set_trap_table),
- "b" (table) );
-
- return ret;
-}
-
-
-static inline int HYPERVISOR_pt_update(page_update_request_t *req, int count)
-{
- int ret;
- __asm__ __volatile__ (
- TRAP_INSTR
- : "=a" (ret) : "0" (__HYPERVISOR_pt_update),
- "b" (req), "c" (count) );
-
- return ret;
-}
-
-
-static inline int HYPERVISOR_console_write(const char *str, int count)
-{
- int ret;
- __asm__ __volatile__ (
- TRAP_INSTR
- : "=a" (ret) : "0" (__HYPERVISOR_console_write),
- "b" (str), "c" (count) );
-
-
- return ret;
-}
-
-static inline int HYPERVISOR_set_pagetable(unsigned long ptr)
-{
- int ret;
- __asm__ __volatile__ (
- TRAP_INSTR
- : "=a" (ret) : "0" (__HYPERVISOR_set_pagetable),
- "b" (ptr) );
-
- return ret;
-}
-
-static inline int HYPERVISOR_set_guest_stack(
- unsigned long ss, unsigned long esp)
-{
- int ret;
- __asm__ __volatile__ (
- TRAP_INSTR
- : "=a" (ret) : "0" (__HYPERVISOR_set_guest_stack),
- "b" (ss), "c" (esp) );
-
- return ret;
-}
-
-static inline int HYPERVISOR_net_update(void)
-{
- int ret;
- __asm__ __volatile__ (
- TRAP_INSTR
- : "=a" (ret) : "0" (__HYPERVISOR_net_update) );
-
- return ret;
-}
-
-static inline int HYPERVISOR_fpu_taskswitch(void)
-{
- int ret;
- __asm__ __volatile__ (
- TRAP_INSTR
- : "=a" (ret) : "0" (__HYPERVISOR_fpu_taskswitch) );
-
- return ret;
-}
-
-static inline int HYPERVISOR_yield(void)
-{
- int ret;
- __asm__ __volatile__ (
- TRAP_INSTR
- : "=a" (ret) : "0" (__HYPERVISOR_yield) );
-
- return ret;
-}
-
-static inline int HYPERVISOR_exit(void)
-{
- int ret;
- __asm__ __volatile__ (
- TRAP_INSTR
- : "=a" (ret) : "0" (__HYPERVISOR_exit) );
-
- return ret;
-}
-
-static inline int HYPERVISOR_dom0_op(void *dom0_op)
-{
- int ret;
- __asm__ __volatile__ (
- TRAP_INSTR
- : "=a" (ret) : "0" (__HYPERVISOR_dom0_op),
- "b" (dom0_op) );
-
- return ret;
-}
-
-static inline int HYPERVISOR_network_op(void *network_op)
-{
- int ret;
- __asm__ __volatile__ (
- TRAP_INSTR
- : "=a" (ret) : "0" (__HYPERVISOR_network_op),
- "b" (network_op) );
-
- return ret;
-}
-
/* Events that a guest OS may receive from the hypervisor. */
#define EVENT_NET_TX 0x01 /* packets for transmission. */
#define EVENT_NET_RX 0x02 /* empty buffers for receive. */
+++ /dev/null
-/******************************************************************************
- * block.h
- *
- * Block IO communication rings.
- *
- * These are the ring data structures for buffering messages between
- * the hypervisor and guestos's.
- *
- * For now we'll start with our own rings for the block IO code instead
- * of using the network rings. Hopefully, this will give us additional
- * flexibility in the future should we choose to move away from a
- * ring producer consumer communication model.
- */
-
-#ifndef __BLOCK_H__
-#define __BLOCK_H__
-
-typedef struct blk_tx_entry_st {
- unsigned long addr; /* virtual address */
- unsigned long size; /* in bytes */
-} blk_tx_entry_t;
-
-typedef struct blk_rx_entry_st {
- unsigned long addr; /* virtual address */
- unsigned long size; /* in bytes */
-} blk_rx_entry_t;
-
-typedef struct blk_ring_st {
- blk_tx_entry_t *tx_ring;
- unsigned int tx_prod, tx_cons, tx_event;
- unsigned int tx_ring_size;
-
- blk_rx_entry_t *rx_ring;
- unsigned int rx_prod, rx_cons, rx_event;
- unsigned int rx_ring_size;
-} blk_ring_t;
-
-int blk_create_ring(int domain, unsigned long ptr);
-
-#endif
+++ /dev/null
-/******************************************************************************
- * hypervisor-if.h
- *
- * Interface to Xeno hypervisor.
- */
-
-#include <asm/hypervisor-ifs/network.h>
-#include <asm/hypervisor-ifs/block.h>
-
-#ifndef __HYPERVISOR_IF_H__
-#define __HYPERVISOR_IF_H__
-
-typedef struct trap_info_st
-{
- unsigned char vector; /* exception/interrupt vector */
- unsigned char dpl; /* privilege level */
- unsigned short cs; /* code selector */
- unsigned long address; /* code address */
-} trap_info_t;
-
-
-typedef struct
-{
-#define PGREQ_ADD_BASEPTR 0
-#define PGREQ_REMOVE_BASEPTR 1
- unsigned long ptr, val; /* *ptr = val */
-} page_update_request_t;
-
-
-/* EAX = vector; EBX, ECX, EDX, ESI, EDI = args 1, 2, 3, 4, 5. */
-
-#define __HYPERVISOR_set_trap_table 0
-#define __HYPERVISOR_pt_update 1
-#define __HYPERVISOR_console_write 2
-#define __HYPERVISOR_set_pagetable 3
-#define __HYPERVISOR_set_guest_stack 4
-#define __HYPERVISOR_net_update 5
-#define __HYPERVISOR_fpu_taskswitch 6
-#define __HYPERVISOR_yield 7
-#define __HYPERVISOR_exit 8
-#define __HYPERVISOR_dom0_op 9
-#define __HYPERVISOR_network_op 10
-
-#define TRAP_INSTR "int $0x82"
-
-
-static inline int HYPERVISOR_set_trap_table(trap_info_t *table)
-{
- int ret;
- __asm__ __volatile__ (
- TRAP_INSTR
- : "=a" (ret) : "0" (__HYPERVISOR_set_trap_table),
- "b" (table) );
-
- return ret;
-}
-
-
-static inline int HYPERVISOR_pt_update(page_update_request_t *req, int count)
-{
- int ret;
- __asm__ __volatile__ (
- TRAP_INSTR
- : "=a" (ret) : "0" (__HYPERVISOR_pt_update),
- "b" (req), "c" (count) );
-
- return ret;
-}
-
-
-static inline int HYPERVISOR_console_write(const char *str, int count)
-{
- int ret;
- __asm__ __volatile__ (
- TRAP_INSTR
- : "=a" (ret) : "0" (__HYPERVISOR_console_write),
- "b" (str), "c" (count) );
-
-
- return ret;
-}
-
-static inline int HYPERVISOR_set_pagetable(unsigned long ptr)
-{
- int ret;
- __asm__ __volatile__ (
- TRAP_INSTR
- : "=a" (ret) : "0" (__HYPERVISOR_set_pagetable),
- "b" (ptr) );
-
- return ret;
-}
-
-static inline int HYPERVISOR_set_guest_stack(
- unsigned long ss, unsigned long esp)
-{
- int ret;
- __asm__ __volatile__ (
- TRAP_INSTR
- : "=a" (ret) : "0" (__HYPERVISOR_set_guest_stack),
- "b" (ss), "c" (esp) );
-
- return ret;
-}
-
-static inline int HYPERVISOR_net_update(void)
-{
- int ret;
- __asm__ __volatile__ (
- TRAP_INSTR
- : "=a" (ret) : "0" (__HYPERVISOR_net_update) );
-
- return ret;
-}
-
-static inline int HYPERVISOR_fpu_taskswitch(void)
-{
- int ret;
- __asm__ __volatile__ (
- TRAP_INSTR
- : "=a" (ret) : "0" (__HYPERVISOR_fpu_taskswitch) );
-
- return ret;
-}
-
-static inline int HYPERVISOR_yield(void)
-{
- int ret;
- __asm__ __volatile__ (
- TRAP_INSTR
- : "=a" (ret) : "0" (__HYPERVISOR_yield) );
-
- return ret;
-}
-
-static inline int HYPERVISOR_exit(void)
-{
- int ret;
- __asm__ __volatile__ (
- TRAP_INSTR
- : "=a" (ret) : "0" (__HYPERVISOR_exit) );
-
- return ret;
-}
-
-static inline int HYPERVISOR_dom0_op(void *dom0_op)
-{
- int ret;
- __asm__ __volatile__ (
- TRAP_INSTR
- : "=a" (ret) : "0" (__HYPERVISOR_dom0_op),
- "b" (dom0_op) );
-
- return ret;
-}
-
-static inline int HYPERVISOR_network_op(void *network_op)
-{
- int ret;
- __asm__ __volatile__ (
- TRAP_INSTR
- : "=a" (ret) : "0" (__HYPERVISOR_network_op),
- "b" (network_op) );
-
- return ret;
-}
-
-/* Events that a guest OS may receive from the hypervisor. */
-#define EVENT_NET_TX 0x01 /* packets for transmission. */
-#define EVENT_NET_RX 0x02 /* empty buffers for receive. */
-#define EVENT_TIMER 0x04 /* a timeout has been updated. */
-#define EVENT_DIE 0x08 /* OS is about to be killed. Clean up please! */
-#define EVENT_BLK_TX 0x10 /* packets for transmission. */
-#define EVENT_BLK_RX 0x20 /* empty buffers for receive. */
-
-/* Bit offsets, as opposed to the above masks. */
-#define _EVENT_NET_TX 0
-#define _EVENT_NET_RX 1
-#define _EVENT_TIMER 2
-#define _EVENT_DIE 3
-#define _EVENT_BLK_TX 4
-#define _EVENT_BLK_RX 5
-
-/*
- * NB. We expect that this struct is smaller than a page.
- */
-typedef struct shared_info_st {
-
- /* Bitmask of outstanding event notifications hypervisor -> guest OS. */
- unsigned long events;
- /*
- * Hypervisor will only signal event delivery via the "callback
- * exception" when this value is non-zero. Hypervisor clears this when
- * notiying the guest OS -- thsi prevents unbounded reentrancy and
- * stack overflow (in this way, acts as an interrupt-enable flag).
- */
- unsigned long events_enable;
-
- /*
- * Address for callbacks hypervisor -> guest OS.
- * Stack frame looks like that of an interrupt.
- * Code segment is the default flat selector.
- * This handler will only be called when events_enable is non-zero.
- */
- unsigned long event_address;
-
- /*
- * Hypervisor uses this callback when it takes a fault on behalf of
- * an application. This can happen when returning from interrupts for
- * example: various faults can occur when reloading the segment
- * registers, and executing 'iret'.
- * This callback is provided with an extended stack frame, augmented
- * with saved values for segment registers %ds and %es:
- * %ds, %es, %eip, %cs, %eflags [, %oldesp, %oldss]
- * Code segment is the default flat selector.
- * FAULTS WHEN CALLING THIS HANDLER WILL TERMINATE THE DOMAIN!!!
- */
- unsigned long failsafe_address;
-
- /*
- * CPU ticks since start of day.
- * `wall_time' counts CPU ticks in real time.
- * `domain_time' counts CPU ticks during which this domain has run.
- */
- unsigned long ticks_per_ms; /* CPU ticks per millisecond */
- /*
- * Current wall_time can be found by rdtsc. Only possible use of
- * variable below is that it provides a timestamp for last update
- * of domain_time.
- */
- unsigned long long wall_time;
- unsigned long long domain_time;
-
- /*
- * Timeouts for points at which guest OS would like a callback.
- * This will probably be backed up by a timer heap in the guest OS.
- * In Linux we use timeouts to update 'jiffies'.
- */
- unsigned long long wall_timeout;
- unsigned long long domain_timeout;
-
- /*
- * Real-Time Clock. This shows time, in seconds, since 1.1.1980.
- * The timestamp shows the CPU 'wall time' when RTC was last read.
- * Thus it allows a mapping between 'real time' and 'wall time'.
- */
- unsigned long rtc_time;
- unsigned long long rtc_timestamp;
-
-} shared_info_t;
-
-/*
- * NB. We expect that this struct is smaller than a page.
- */
-typedef struct start_info_st {
- unsigned long nr_pages; /* total pages allocated to this domain */
- shared_info_t *shared_info; /* start address of shared info struct */
- unsigned long pt_base; /* address of page directory */
- unsigned long phys_base;
- unsigned long mod_start; /* start address of pre-loaded module */
- unsigned long mod_len; /* size (bytes) of pre-loaded module */
- net_ring_t *net_rings;
- int num_net_rings;
- blk_ring_t *blk_ring; /* block io communication rings */
- unsigned long frame_table; /* mapping of the frame_table for dom0 */
- unsigned char cmd_line[1]; /* variable-length */
-} start_info_t;
-
-/* For use in guest OSes. */
-extern shared_info_t *HYPERVISOR_shared_info;
-
-#endif /* __HYPERVISOR_IF_H__ */
+++ /dev/null
-/******************************************************************************
- * network.h
- *
- * ring data structures for buffering messages between hypervisor and
- * guestos's. As it stands this is only used for network buffer exchange.
- *
- * This file also contains structures and interfaces for the per-domain
- * routing/filtering tables in the hypervisor.
- *
- */
-
-#ifndef __RING_H__
-#define __RING_H__
-
-#include <linux/types.h>
-
-typedef struct tx_entry_st {
- unsigned long addr; /* virtual address */
- unsigned long size; /* in bytes */
-} tx_entry_t;
-
-typedef struct rx_entry_st {
- unsigned long addr; /* virtual address */
- unsigned long size; /* in bytes */
-} rx_entry_t;
-
-#define TX_RING_SIZE 1024
-#define RX_RING_SIZE 1024
-typedef struct net_ring_st {
- /*
- * Guest OS places packets into ring at tx_prod.
- * Hypervisor removes at tx_cons.
- * Ring is empty when tx_prod == tx_cons.
- * Guest OS receives a DOMAIN_EVENT_NET_TX when tx_cons passes tx_event.
- * Hypervisor may be prodded whenever tx_prod is updated, but this is
- * only necessary when tx_cons == old_tx_prod (ie. transmitter stalled).
- */
- tx_entry_t *tx_ring;
- unsigned int tx_prod, tx_cons, tx_event;
- unsigned int tx_ring_size;
- /*
- * Guest OS places empty buffers into ring at rx_prod.
- * Hypervisor fills buffers as rx_cons.
- * Ring is empty when rx_prod == rx_cons.
- * Guest OS receives a DOMAIN_EVENT_NET_RX when rx_cons passes rx_event.
- * Hypervisor may be prodded whenever rx_prod is updated, but this is
- * only necessary when rx_cons == old_rx_prod (ie. receiver stalled).
- */
- rx_entry_t *rx_ring;
- unsigned int rx_prod, rx_cons, rx_event;
- unsigned int rx_ring_size;
-} net_ring_t;
-
-/* Specify base of per-domain array. Get returned free slot in the array. */
-net_ring_t *create_net_vif(int domain);
-
-/* Packet routing/filtering code follows:
- */
-
-#define NETWORK_ACTION_ACCEPT 0
-#define NETWORK_ACTION_COUNT 1
-
-#define NETWORK_PROTO_IP 0
-#define NETWORK_PROTO_TCP 1
-#define NETWORK_PROTO_UDP 2
-#define NETWORK_PROTO_ARP 3
-
-typedef struct net_rule_st
-{
- u32 src_addr;
- u32 dst_addr;
- u16 src_port;
- u16 dst_port;
- u32 src_addr_mask;
- u32 dst_addr_mask;
- u16 src_port_mask;
- u16 dst_port_mask;
- u16 proto;
-
- u16 src_interface;
- u16 dst_interface;
- u16 action;
-} net_rule_t;
-
-/* Network trap operations and associated structure.
- * This presently just handles rule insertion and deletion, but will
- * evenually have code to add and remove interfaces.
- */
-
-#define NETWORK_OP_ADDRULE 0
-#define NETWORK_OP_DELETERULE 1
-#define NETWORK_OP_GETRULELIST 2
-
-typedef struct network_op_st
-{
- unsigned long cmd;
- union
- {
- net_rule_t net_rule;
- }
- u;
-} network_op_t;
-
-typedef struct net_rule_ent_st
-{
- net_rule_t r;
- struct net_rule_ent_st *next;
-} net_rule_ent_t;
-
-/* Drop a new rule down to the network tables. */
-int add_net_rule(net_rule_t *rule);
-
-#endif
void queue_tlb_flush_one(unsigned long ptr);
void flush_page_update_queue(void);
+
+/*
+ * Assembler stubs for hyper-calls.
+ */
+
+static inline int HYPERVISOR_set_trap_table(trap_info_t *table)
+{
+ int ret;
+ __asm__ __volatile__ (
+ TRAP_INSTR
+ : "=a" (ret) : "0" (__HYPERVISOR_set_trap_table),
+ "b" (table) );
+
+ return ret;
+}
+
+
+static inline int HYPERVISOR_pt_update(page_update_request_t *req, int count)
+{
+ int ret;
+ __asm__ __volatile__ (
+ TRAP_INSTR
+ : "=a" (ret) : "0" (__HYPERVISOR_pt_update),
+ "b" (req), "c" (count) );
+
+ return ret;
+}
+
+
+static inline int HYPERVISOR_console_write(const char *str, int count)
+{
+ int ret;
+ __asm__ __volatile__ (
+ TRAP_INSTR
+ : "=a" (ret) : "0" (__HYPERVISOR_console_write),
+ "b" (str), "c" (count) );
+
+
+ return ret;
+}
+
+static inline int HYPERVISOR_set_pagetable(unsigned long ptr)
+{
+ int ret;
+ __asm__ __volatile__ (
+ TRAP_INSTR
+ : "=a" (ret) : "0" (__HYPERVISOR_set_pagetable),
+ "b" (ptr) );
+
+ return ret;
+}
+
+static inline int HYPERVISOR_set_guest_stack(
+ unsigned long ss, unsigned long esp)
+{
+ int ret;
+ __asm__ __volatile__ (
+ TRAP_INSTR
+ : "=a" (ret) : "0" (__HYPERVISOR_set_guest_stack),
+ "b" (ss), "c" (esp) );
+
+ return ret;
+}
+
+static inline int HYPERVISOR_net_update(void)
+{
+ int ret;
+ __asm__ __volatile__ (
+ TRAP_INSTR
+ : "=a" (ret) : "0" (__HYPERVISOR_net_update) );
+
+ return ret;
+}
+
+static inline int HYPERVISOR_fpu_taskswitch(void)
+{
+ int ret;
+ __asm__ __volatile__ (
+ TRAP_INSTR
+ : "=a" (ret) : "0" (__HYPERVISOR_fpu_taskswitch) );
+
+ return ret;
+}
+
+static inline int HYPERVISOR_yield(void)
+{
+ int ret;
+ __asm__ __volatile__ (
+ TRAP_INSTR
+ : "=a" (ret) : "0" (__HYPERVISOR_yield) );
+
+ return ret;
+}
+
+static inline int HYPERVISOR_exit(void)
+{
+ int ret;
+ __asm__ __volatile__ (
+ TRAP_INSTR
+ : "=a" (ret) : "0" (__HYPERVISOR_exit) );
+
+ return ret;
+}
+
+static inline int HYPERVISOR_dom0_op(void *dom0_op)
+{
+ int ret;
+ __asm__ __volatile__ (
+ TRAP_INSTR
+ : "=a" (ret) : "0" (__HYPERVISOR_dom0_op),
+ "b" (dom0_op) : "memory" );
+
+ return ret;
+}
+
+static inline int HYPERVISOR_network_op(void *network_op)
+{
+ int ret;
+ __asm__ __volatile__ (
+ TRAP_INSTR
+ : "=a" (ret) : "0" (__HYPERVISOR_network_op),
+ "b" (network_op) );
+
+ return ret;
+}
+
#endif /* __HYPERVISOR_H__ */
projects / xen.git / commitdiff