4087cf0dvXL1PKX23t_LvO1wVPb7OA linux-2.4.26-xen-sparse/arch/xen/drivers/blkif/backend/interface.c
4087cf0dkVF3I19gpT1cNubeJgQr7g linux-2.4.26-xen-sparse/arch/xen/drivers/blkif/backend/main.c
4087cf0dlv1Dw4MAbeRStPPG8IvPPg linux-2.4.26-xen-sparse/arch/xen/drivers/blkif/backend/vbd.c
-40880cc6hHg6s2cPHbqPNQxENefjoQ linux-2.4.26-xen-sparse/arch/xen/drivers/blkif/blkif.h
4075806dI5kfeMD5RV-DA0PYoThx_w linux-2.4.26-xen-sparse/arch/xen/drivers/blkif/frontend/Makefile
4075806d4-j7vN0Mn0bklI1cRUX1vQ linux-2.4.26-xen-sparse/arch/xen/drivers/blkif/frontend/common.h
4075806d3fJqqDC1pYYPTZPc575iKg linux-2.4.26-xen-sparse/arch/xen/drivers/blkif/frontend/main.c
4083dc16-Kd5y9psK_yk161sme5j5Q linux-2.4.26-xen-sparse/arch/xen/drivers/netif/Makefile
4083dc16UmHXxS9g_UFVnkUpN-oP2Q linux-2.4.26-xen-sparse/arch/xen/drivers/netif/backend/Makefile
405853f2wg7JXZJNltspMwOZJklxgw linux-2.4.26-xen-sparse/arch/xen/drivers/netif/frontend/Makefile
-4097ba83Qy2eafeFUhGhm6_4iMIIDw linux-2.4.26-xen-sparse/arch/xen/drivers/netif/netif.h
3e5a4e65lWzkiPXsZdzPt2RNnJGG1g linux-2.4.26-xen-sparse/arch/xen/kernel/Makefile
4075806dE5mQwlVUf8-t3YXjiMMWDQ linux-2.4.26-xen-sparse/arch/xen/kernel/ctrl_if.c
3e5a4e65_hqfuxtGG8IUy6wRM86Ecg linux-2.4.26-xen-sparse/arch/xen/kernel/entry.S
40f5623bc8LKPRO09wY5dGDnY_YCpw linux-2.6.7-xen-sparse/include/asm-xen/asm-i386/tlbflush.h
41062ab7uFxnCq-KtPeAm-aV8CicgA linux-2.6.7-xen-sparse/include/asm-xen/asm-i386/vga.h
40f5623bxUbeGjkRrjDguCy_Gm8RLw linux-2.6.7-xen-sparse/include/asm-xen/asm-i386/xor.h
-40f5623bqoi4GEoBiiUc6TZk1HjsMg linux-2.6.7-xen-sparse/include/asm-xen/blkif.h
40f5623bYNP7tHE2zX6YQxp9Zq2utQ linux-2.6.7-xen-sparse/include/asm-xen/ctrl_if.h
40f5623b3Eqs8pAc5WpPX8_jTzV2qw linux-2.6.7-xen-sparse/include/asm-xen/evtchn.h
40f5623cndVUFlkxpf7Lfx7xu8madQ linux-2.6.7-xen-sparse/include/asm-xen/multicall.h
-40f5623cTZ80EwjWUBlh44A9F9i_Lg linux-2.6.7-xen-sparse/include/asm-xen/netif.h
3f108af1ylCIm82H052FVTfXACBHrw linux-2.6.7-xen-sparse/include/asm-xen/proc_cmd.h
40f5623cBiQhPHILVLrl3xa6bDBaRg linux-2.6.7-xen-sparse/include/asm-xen/xen.h
3f689063BoW-HWV3auUJ-OqXfcGArw linux-2.6.7-xen-sparse/include/asm-xen/xen_proc.h
40dfd40aMOhnw_cQLve9462UR5yYxQ tools/python/xen/lowlevel/__init__.py
3fbd0a42l40lM0IICw2jXbQBVZSdZg tools/python/xen/lowlevel/xc/xc.c
40dc4076St6AmPTmQPrtQ6LGHPxGmw tools/python/xen/lowlevel/xu/__init__.py
-40dc4076pVeE1kEEWzcUaNZin65kCA tools/python/xen/lowlevel/xu/domain_controller.h
40dc4076CwBYRTUQDdbdU1L6KcLgSw tools/python/xen/lowlevel/xu/xu.c
41052eb84_irpx0E9N_kqBp9eoin5g tools/python/xen/sv/CreateDomain.py
4107986egkTAMIHW7n-i4ShvCGWpLQ tools/python/xen/sv/Daemon.py
3ddb79c2PMeWTK86y4C3F4MzHw4A1g xen/include/hypervisor-ifs/dom0_ops.h
403cd194j2pyLqXD8FJ-ukvZzkPenw xen/include/hypervisor-ifs/event_channel.h
3ddb79c25UE59iu4JJcbRalx95mvcg xen/include/hypervisor-ifs/hypervisor-if.h
+40f5623bqoi4GEoBiiUc6TZk1HjsMg xen/include/hypervisor-ifs/io/blkif.h
+40dc4076pVeE1kEEWzcUaNZin65kCA xen/include/hypervisor-ifs/io/domain_controller.h
+40f5623cTZ80EwjWUBlh44A9F9i_Lg xen/include/hypervisor-ifs/io/netif.h
4051db79512nOCGweabrFWO2M2h5ng xen/include/hypervisor-ifs/physdev.h
40589968wmhPmV5-ENbBYmMjnedgKw xen/include/hypervisor-ifs/sched_ctl.h
404f3d2eR2Owk-ZcGOx9ULGHg3nrww xen/include/hypervisor-ifs/trace.h
#include <linux/blkdev.h>
#include <asm/ctrl_if.h>
#include <asm/io.h>
-#include "../blkif.h"
+#include <asm-xen/hypervisor-ifs/io/blkif.h>
#if 0
#define ASSERT(_p) \
+++ /dev/null
-/******************************************************************************
- * blkif.h
- *
- * Unified block-device I/O interface for Xen guest OSes.
- *
- * Copyright (c) 2003-2004, Keir Fraser
- */
-
-#ifndef __SHARED_BLKIF_H__
-#define __SHARED_BLKIF_H__
-
-#define blkif_vdev_t u16
-#define blkif_sector_t u64
-
-#define BLKIF_OP_READ 0
-#define BLKIF_OP_WRITE 1
-#define BLKIF_OP_PROBE 2
-
-/* NB. Ring size must be small enough for sizeof(blkif_ring_t) <= PAGE_SIZE. */
-#define BLKIF_RING_SIZE 64
-
-/*
- * Maximum scatter/gather segments per request.
- * This is carefully chosen so that sizeof(blkif_ring_t) <= PAGE_SIZE.
- * NB. This could be 12 if the ring indexes weren't stored in the same page.
- */
-#define BLKIF_MAX_SEGMENTS_PER_REQUEST 11
-
-typedef struct {
- u8 operation; /* 0: BLKIF_OP_??? */
- u8 nr_segments; /* 1: number of segments */
- blkif_vdev_t device; /* 2: only for read/write requests */
- unsigned long id; /* 4: private guest value, echoed in resp */
- blkif_sector_t sector_number; /* start sector idx on disk (r/w only) */
- /* @f_a_s[2:0]=last_sect ; @f_a_s[5:3]=first_sect ; @f_a_s[:12]=frame. */
- /* @first_sect: first sector in frame to transfer (inclusive). */
- /* @last_sect: last sector in frame to transfer (inclusive). */
- /* @frame: machine page frame number. */
- unsigned long frame_and_sects[BLKIF_MAX_SEGMENTS_PER_REQUEST];
-} PACKED blkif_request_t;
-
-#define blkif_first_sect(_fas) (((_fas)>>3)&7)
-#define blkif_last_sect(_fas) ((_fas)&7)
-
-typedef struct {
- unsigned long id; /* copied from request */
- u8 operation; /* copied from request */
- s16 status; /* BLKIF_RSP_??? */
-} PACKED blkif_response_t;
-
-#define BLKIF_RSP_ERROR -1 /* non-specific 'error' */
-#define BLKIF_RSP_OKAY 0 /* non-specific 'okay' */
-
-/*
- * We use a special capitalised type name because it is _essential_ that all
- * arithmetic on indexes is done on an integer type of the correct size.
- */
-typedef u32 BLKIF_RING_IDX;
-
-/*
- * Ring indexes are 'free running'. That is, they are not stored modulo the
- * size of the ring buffer. The following macro converts a free-running counter
- * into a value that can directly index a ring-buffer array.
- */
-#define MASK_BLKIF_IDX(_i) ((_i)&(BLKIF_RING_SIZE-1))
-
-typedef struct {
- BLKIF_RING_IDX req_prod; /* 0: Request producer. Updated by front-end. */
- BLKIF_RING_IDX resp_prod; /* 4: Response producer. Updated by back-end. */
- union { /* 8 */
- blkif_request_t req;
- blkif_response_t resp;
- } PACKED ring[BLKIF_RING_SIZE];
-} PACKED blkif_ring_t;
-
-
-/*
- * BLKIF_OP_PROBE:
- * The request format for a probe request is constrained as follows:
- * @operation == BLKIF_OP_PROBE
- * @nr_segments == size of probe buffer in pages
- * @device == unused (zero)
- * @id == any value (echoed in response message)
- * @sector_num == unused (zero)
- * @frame_and_sects == list of page-sized buffers.
- * (i.e., @first_sect == 0, @last_sect == 7).
- *
- * The response is a list of vdisk_t elements copied into the out-of-band
- * probe buffer. On success the response status field contains the number
- * of vdisk_t elements.
- */
-
-/* XXX SMH: Type values below are chosen to match ide_xxx in Linux ide.h. */
-#define VDISK_TYPE_FLOPPY 0x00
-#define VDISK_TYPE_TAPE 0x01
-#define VDISK_TYPE_CDROM 0x05
-#define VDISK_TYPE_OPTICAL 0x07
-#define VDISK_TYPE_DISK 0x20
-
-#define VDISK_TYPE_MASK 0x3F
-#define VDISK_TYPE(_x) ((_x) & VDISK_TYPE_MASK)
-
-/* The top two bits of the type field encode various flags. */
-#define VDISK_FLAG_RO 0x40
-#define VDISK_FLAG_VIRT 0x80
-#define VDISK_READONLY(_x) ((_x) & VDISK_FLAG_RO)
-#define VDISK_VIRTUAL(_x) ((_x) & VDISK_FLAG_VIRT)
-
-typedef struct {
- blkif_sector_t capacity; /* 0: Size in terms of 512-byte sectors. */
- blkif_vdev_t device; /* 8: Device number (opaque 16 bit value). */
- u16 info; /* 10: Device type and flags (VDISK_*). */
-} PACKED vdisk_t; /* 12 bytes */
-
-#endif /* __SHARED_BLKIF_H__ */
#include <linux/config.h>
#include <linux/module.h>
-
#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/slab.h>
#include <linux/string.h>
#include <linux/errno.h>
-
#include <linux/fs.h>
#include <linux/hdreg.h>
#include <linux/blkdev.h>
#include <linux/major.h>
-
#include <asm/hypervisor-ifs/hypervisor-if.h>
#include <asm/io.h>
#include <asm/atomic.h>
#include <asm/uaccess.h>
-
-#include "../blkif.h"
+#include <asm-xen/hypervisor-ifs/io/blkif.h>
#if 0
#define DPRINTK(_f, _a...) printk ( KERN_ALERT _f , ## _a )
+++ /dev/null
-/******************************************************************************
- * netif.h
- *
- * Unified network-device I/O interface for Xen guest OSes.
- *
- * Copyright (c) 2003-2004, Keir Fraser
- */
-
-#ifndef __SHARED_NETIF_H__
-#define __SHARED_NETIF_H__
-
-typedef struct {
- memory_t addr; /* 0: Machine address of packet. */
- MEMORY_PADDING;
- u16 id; /* 8: Echoed in response message. */
- u16 size; /* 10: Packet size in bytes. */
-} PACKED netif_tx_request_t; /* 12 bytes */
-
-typedef struct {
- u16 id; /* 0 */
- s8 status; /* 2 */
- u8 __pad; /* 3 */
-} PACKED netif_tx_response_t; /* 4 bytes */
-
-typedef struct {
- u16 id; /* 0: Echoed in response message. */
-} PACKED netif_rx_request_t; /* 2 bytes */
-
-typedef struct {
- memory_t addr; /* 0: Machine address of packet. */
- MEMORY_PADDING;
- u16 id; /* 8: */
- s16 status; /* 10: -ve: BLKIF_RSP_* ; +ve: Rx'ed pkt size. */
-} PACKED netif_rx_response_t; /* 12 bytes */
-
-/*
- * We use a special capitalised type name because it is _essential_ that all
- * arithmetic on indexes is done on an integer type of the correct size.
- */
-typedef u32 NETIF_RING_IDX;
-
-/*
- * Ring indexes are 'free running'. That is, they are not stored modulo the
- * size of the ring buffer. The following macros convert a free-running counter
- * into a value that can directly index a ring-buffer array.
- */
-#define MASK_NETIF_RX_IDX(_i) ((_i)&(NETIF_RX_RING_SIZE-1))
-#define MASK_NETIF_TX_IDX(_i) ((_i)&(NETIF_TX_RING_SIZE-1))
-
-#define NETIF_TX_RING_SIZE 256
-#define NETIF_RX_RING_SIZE 256
-
-/* This structure must fit in a memory page. */
-typedef struct {
- /*
- * Frontend places packets into ring at tx_req_prod.
- * Frontend receives event when tx_resp_prod passes tx_event.
- */
- NETIF_RING_IDX req_prod; /* 0 */
- NETIF_RING_IDX resp_prod; /* 4 */
- NETIF_RING_IDX event; /* 8 */
- union { /* 12 */
- netif_tx_request_t req;
- netif_tx_response_t resp;
- } PACKED ring[NETIF_TX_RING_SIZE];
-} PACKED netif_tx_interface_t;
-
-/* This structure must fit in a memory page. */
-typedef struct {
- /*
- * Frontend places empty buffers into ring at rx_req_prod.
- * Frontend receives event when rx_resp_prod passes rx_event.
- */
- NETIF_RING_IDX req_prod; /* 0 */
- NETIF_RING_IDX resp_prod; /* 4 */
- NETIF_RING_IDX event; /* 8 */
- union { /* 12 */
- netif_rx_request_t req;
- netif_rx_response_t resp;
- } PACKED ring[NETIF_RX_RING_SIZE];
-} PACKED netif_rx_interface_t;
-
-/* Descriptor status values */
-#define NETIF_RSP_DROPPED -2
-#define NETIF_RSP_ERROR -1
-#define NETIF_RSP_OKAY 0
-
-#endif
#include <linux/kernel.h>
#include <asm/hypervisor-ifs/hypervisor-if.h>
#include <asm/hypervisor-ifs/dom0_ops.h>
-#include <asm/domain_controller.h>
+#include <asm/hypervisor-ifs/io/domain_controller.h>
#include <asm/ptrace.h>
#include <asm/page.h>
#include <asm/io.h>
#include <asm/setup.h>
#include <asm/pgalloc.h>
+#include <asm-xen/hypervisor-ifs/io/blkif.h>
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
-#include <asm-xen/blkif.h>
-#else
-#include "../blkif.h"
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
#define irqreturn_t void
#define IRQ_HANDLED
#endif
#include <linux/config.h>
#include <linux/module.h>
-
#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/slab.h>
#include <linux/string.h>
#include <linux/errno.h>
-
#include <linux/fs.h>
#include <linux/hdreg.h>
#include <linux/blkdev.h>
#include <linux/major.h>
-
#include <linux/devfs_fs_kernel.h>
-
#include <asm/hypervisor-ifs/hypervisor-if.h>
+#include <asm-xen/hypervisor-ifs/io/blkif.h>
#include <asm/io.h>
#include <asm/atomic.h>
#include <asm/uaccess.h>
-#include <asm-xen/blkif.h>
-
#if 0
#define DPRINTK(_f, _a...) printk ( KERN_ALERT _f , ## _a )
#else
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <asm-xen/ctrl_if.h>
+#include <asm-xen/hypervisor-ifs/io/netif.h>
#include <asm/io.h>
#include <asm/pgalloc.h>
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
-#include <asm-xen/netif.h>
-#else
-#include "../netif.h"
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
#define irqreturn_t void
#define IRQ_HANDLED
#endif
#include <linux/etherdevice.h>
#include <linux/skbuff.h>
#include <linux/init.h>
-
-#include <asm/io.h>
#include <net/sock.h>
#include <net/pkt_sched.h>
-
+#include <asm/io.h>
#include <asm-xen/evtchn.h>
#include <asm-xen/ctrl_if.h>
-
+#include <asm-xen/hypervisor-ifs/io/netif.h>
#include <asm/page.h>
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
-#include <asm-xen/netif.h>
-#else
-#include "../netif.h"
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
#define irqreturn_t void
#define IRQ_HANDLED
#endif
#include <linux/kernel.h>
#include <asm/hypervisor-ifs/hypervisor-if.h>
#include <asm/hypervisor-ifs/dom0_ops.h>
-#include <asm-xen/domain_controller.h>
+#include <asm/hypervisor-ifs/io/domain_controller.h>
#include <asm/ptrace.h>
#include <asm/page.h>
#include <asm-xen/xen.h>
+++ /dev/null
-/******************************************************************************
- * blkif.h
- *
- * Unified block-device I/O interface for Xen guest OSes.
- *
- * Copyright (c) 2003-2004, Keir Fraser
- */
-
-#ifndef __SHARED_BLKIF_H__
-#define __SHARED_BLKIF_H__
-
-#define blkif_vdev_t u16
-#define blkif_sector_t u64
-
-#define BLKIF_OP_READ 0
-#define BLKIF_OP_WRITE 1
-#define BLKIF_OP_PROBE 2
-
-/* NB. Ring size must be small enough for sizeof(blkif_ring_t) <= PAGE_SIZE. */
-#define BLKIF_RING_SIZE 64
-
-/*
- * Maximum scatter/gather segments per request.
- * This is carefully chosen so that sizeof(blkif_ring_t) <= PAGE_SIZE.
- * NB. This could be 12 if the ring indexes weren't stored in the same page.
- */
-#define BLKIF_MAX_SEGMENTS_PER_REQUEST 11
-
-typedef struct {
- u8 operation; /* 0: BLKIF_OP_??? */
- u8 nr_segments; /* 1: number of segments */
- blkif_vdev_t device; /* 2: only for read/write requests */
- unsigned long id; /* 4: private guest value, echoed in resp */
- blkif_sector_t sector_number; /* start sector idx on disk (r/w only) */
- /* @f_a_s[2:0]=last_sect ; @f_a_s[5:3]=first_sect ; @f_a_s[:12]=frame. */
- /* @first_sect: first sector in frame to transfer (inclusive). */
- /* @last_sect: last sector in frame to transfer (inclusive). */
- /* @frame: machine page frame number. */
- unsigned long frame_and_sects[BLKIF_MAX_SEGMENTS_PER_REQUEST];
-} PACKED blkif_request_t;
-
-#define blkif_first_sect(_fas) (((_fas)>>3)&7)
-#define blkif_last_sect(_fas) ((_fas)&7)
-
-typedef struct {
- unsigned long id; /* copied from request */
- u8 operation; /* copied from request */
- s16 status; /* BLKIF_RSP_??? */
-} PACKED blkif_response_t;
-
-#define BLKIF_RSP_ERROR -1 /* non-specific 'error' */
-#define BLKIF_RSP_OKAY 0 /* non-specific 'okay' */
-
-/*
- * We use a special capitalised type name because it is _essential_ that all
- * arithmetic on indexes is done on an integer type of the correct size.
- */
-typedef u32 BLKIF_RING_IDX;
-
-/*
- * Ring indexes are 'free running'. That is, they are not stored modulo the
- * size of the ring buffer. The following macro converts a free-running counter
- * into a value that can directly index a ring-buffer array.
- */
-#define MASK_BLKIF_IDX(_i) ((_i)&(BLKIF_RING_SIZE-1))
-
-typedef struct {
- BLKIF_RING_IDX req_prod; /* 0: Request producer. Updated by front-end. */
- BLKIF_RING_IDX resp_prod; /* 4: Response producer. Updated by back-end. */
- union { /* 8 */
- blkif_request_t req;
- blkif_response_t resp;
- } PACKED ring[BLKIF_RING_SIZE];
-} PACKED blkif_ring_t;
-
-
-/*
- * BLKIF_OP_PROBE:
- * The request format for a probe request is constrained as follows:
- * @operation == BLKIF_OP_PROBE
- * @nr_segments == size of probe buffer in pages
- * @device == unused (zero)
- * @id == any value (echoed in response message)
- * @sector_num == unused (zero)
- * @frame_and_sects == list of page-sized buffers.
- * (i.e., @first_sect == 0, @last_sect == 7).
- *
- * The response is a list of vdisk_t elements copied into the out-of-band
- * probe buffer. On success the response status field contains the number
- * of vdisk_t elements.
- */
-
-/* XXX SMH: Type values below are chosen to match ide_xxx in Linux ide.h. */
-#define VDISK_TYPE_FLOPPY 0x00
-#define VDISK_TYPE_TAPE 0x01
-#define VDISK_TYPE_CDROM 0x05
-#define VDISK_TYPE_OPTICAL 0x07
-#define VDISK_TYPE_DISK 0x20
-
-#define VDISK_TYPE_MASK 0x3F
-#define VDISK_TYPE(_x) ((_x) & VDISK_TYPE_MASK)
-
-/* The top two bits of the type field encode various flags. */
-#define VDISK_FLAG_RO 0x40
-#define VDISK_FLAG_VIRT 0x80
-#define VDISK_READONLY(_x) ((_x) & VDISK_FLAG_RO)
-#define VDISK_VIRTUAL(_x) ((_x) & VDISK_FLAG_VIRT)
-
-typedef struct {
- blkif_sector_t capacity; /* 0: Size in terms of 512-byte sectors. */
- blkif_vdev_t device; /* 8: Device number (opaque 16 bit value). */
- u16 info; /* 10: Device type and flags (VDISK_*). */
-} PACKED vdisk_t; /* 12 bytes */
-
-#endif /* __SHARED_BLKIF_H__ */
+++ /dev/null
-/******************************************************************************
- * netif.h
- *
- * Unified network-device I/O interface for Xen guest OSes.
- *
- * Copyright (c) 2003-2004, Keir Fraser
- */
-
-#ifndef __SHARED_NETIF_H__
-#define __SHARED_NETIF_H__
-
-typedef struct {
- memory_t addr; /* 0: Machine address of packet. */
- MEMORY_PADDING;
- u16 id; /* 8: Echoed in response message. */
- u16 size; /* 10: Packet size in bytes. */
-} PACKED netif_tx_request_t; /* 12 bytes */
-
-typedef struct {
- u16 id; /* 0 */
- s8 status; /* 2 */
- u8 __pad; /* 3 */
-} PACKED netif_tx_response_t; /* 4 bytes */
-
-typedef struct {
- u16 id; /* 0: Echoed in response message. */
-} PACKED netif_rx_request_t; /* 2 bytes */
-
-typedef struct {
- memory_t addr; /* 0: Machine address of packet. */
- MEMORY_PADDING;
- u16 id; /* 8: */
- s16 status; /* 10: -ve: BLKIF_RSP_* ; +ve: Rx'ed pkt size. */
-} PACKED netif_rx_response_t; /* 12 bytes */
-
-/*
- * We use a special capitalised type name because it is _essential_ that all
- * arithmetic on indexes is done on an integer type of the correct size.
- */
-typedef u32 NETIF_RING_IDX;
-
-/*
- * Ring indexes are 'free running'. That is, they are not stored modulo the
- * size of the ring buffer. The following macros convert a free-running counter
- * into a value that can directly index a ring-buffer array.
- */
-#define MASK_NETIF_RX_IDX(_i) ((_i)&(NETIF_RX_RING_SIZE-1))
-#define MASK_NETIF_TX_IDX(_i) ((_i)&(NETIF_TX_RING_SIZE-1))
-
-#define NETIF_TX_RING_SIZE 256
-#define NETIF_RX_RING_SIZE 256
-
-/* This structure must fit in a memory page. */
-typedef struct {
- /*
- * Frontend places packets into ring at tx_req_prod.
- * Frontend receives event when tx_resp_prod passes tx_event.
- */
- NETIF_RING_IDX req_prod; /* 0 */
- NETIF_RING_IDX resp_prod; /* 4 */
- NETIF_RING_IDX event; /* 8 */
- union { /* 12 */
- netif_tx_request_t req;
- netif_tx_response_t resp;
- } PACKED ring[NETIF_TX_RING_SIZE];
-} PACKED netif_tx_interface_t;
-
-/* This structure must fit in a memory page. */
-typedef struct {
- /*
- * Frontend places empty buffers into ring at rx_req_prod.
- * Frontend receives event when rx_resp_prod passes rx_event.
- */
- NETIF_RING_IDX req_prod; /* 0 */
- NETIF_RING_IDX resp_prod; /* 4 */
- NETIF_RING_IDX event; /* 8 */
- union { /* 12 */
- netif_rx_request_t req;
- netif_rx_response_t resp;
- } PACKED ring[NETIF_RX_RING_SIZE];
-} PACKED netif_rx_interface_t;
-
-/* Descriptor status values */
-#define NETIF_RSP_DROPPED -2
-#define NETIF_RSP_ERROR -1
-#define NETIF_RSP_OKAY 0
-
-#endif
# -*- mode: Makefile; -*-
XEN_HYPERVISOR_IFS = $(XEN_ROOT)/xen/include/hypervisor-ifs
XEN_LINUX_INCLUDE = $(XEN_ROOT)/linux-xen-sparse/include
-XEN_XU = $(XEN_ROOT)/tools/python/xen/lowlevel/xu
XEN_XC = $(XEN_ROOT)/tools/python/xen/lowlevel/xc
XEN_LIBXC = $(XEN_ROOT)/tools/libxc
XEN_LIBXUTIL = $(XEN_ROOT)/tools/libxutil
vpath %h $(XEN_LINUX_INCLUDE)
INCLUDES += -I $(XEN_LINUX_INCLUDE)
-vpath %.h $(XEN_XU)
-INCLUDES += -I $(XEN_XU)
-
vpath %c $(XEN_LIBXUTIL)
INCLUDES += -I $(XEN_LIBXUTIL)
#include <dom0_ops.h>
#include <event_channel.h>
#include <sched_ctl.h>
+#include <io/domain_controller.h>
#include <asm-xen/proc_cmd.h>
-/* from xend/lib */
-#include <domain_controller.h>
#define _PAGE_PRESENT 0x001
#define _PAGE_RW 0x002
INCLUDES += -I $(XEN_HYPERVISOR_IFS)
INCLUDES += -I $(XEN_LINUX_INCLUDE)
INCLUDES += -I $(XEN_XC)
-INCLUDES += -I $(XEN_XU)
INCLUDES += -I $(XEN_LIBXC)
INCLUDES += -I $(XEN_LIBXUTIL)
+++ /dev/null
-/******************************************************************************
- * domain_controller.h
- *
- * Interface to server controller (e.g., 'xend'). This header file defines the
- * interface that is shared with guest OSes.
- *
- * Copyright (c) 2004, K A Fraser
- */
-
-#ifndef __DOMAIN_CONTROLLER_H__
-#define __DOMAIN_CONTROLLER_H__
-
-
-#ifndef BASIC_START_INFO
-#error "Xen header file hypervisor-if.h must already be included here."
-#endif
-
-
-/*
- * EXTENDED BOOTSTRAP STRUCTURE FOR NEW DOMAINS.
- */
-
-typedef struct {
- BASIC_START_INFO;
- u16 domain_controller_evtchn; /* 320 */
-} PACKED extended_start_info_t; /* 322 bytes */
-#define SIF_BLK_BE_DOMAIN (1<<4) /* Is this a block backend domain? */
-#define SIF_NET_BE_DOMAIN (1<<5) /* Is this a net backend domain? */
-
-
-/*
- * Reason codes for SCHEDOP_shutdown. These are opaque to Xen but may be
- * interpreted by control software to determine the appropriate action. These
- * are only really advisories: the controller can actually do as it likes.
- */
-#define SHUTDOWN_poweroff 0 /* Domain exited normally. Clean up and kill. */
-#define SHUTDOWN_reboot 1 /* Clean up, kill, and then restart. */
-#define SHUTDOWN_suspend 2 /* Clean up, save suspend info, kill. */
-
-
-/*
- * CONTROLLER MESSAGING INTERFACE.
- */
-
-typedef struct {
- u8 type; /* 0: echoed in response */
- u8 subtype; /* 1: echoed in response */
- u8 id; /* 2: echoed in response */
- u8 length; /* 3: number of bytes in 'msg' */
- u8 msg[60]; /* 4: type-specific message data */
-} PACKED control_msg_t; /* 64 bytes */
-
-#define CONTROL_RING_SIZE 8
-typedef u32 CONTROL_RING_IDX;
-#define MASK_CONTROL_IDX(_i) ((_i)&(CONTROL_RING_SIZE-1))
-
-typedef struct {
- control_msg_t tx_ring[CONTROL_RING_SIZE]; /* 0: guest -> controller */
- control_msg_t rx_ring[CONTROL_RING_SIZE]; /* 512: controller -> guest */
- CONTROL_RING_IDX tx_req_prod, tx_resp_prod; /* 1024, 1028 */
- CONTROL_RING_IDX rx_req_prod, rx_resp_prod; /* 1032, 1036 */
-} PACKED control_if_t; /* 1040 bytes */
-
-/*
- * Top-level command types.
- */
-#define CMSG_CONSOLE 0 /* Console */
-#define CMSG_BLKIF_BE 1 /* Block-device backend */
-#define CMSG_BLKIF_FE 2 /* Block-device frontend */
-#define CMSG_NETIF_BE 3 /* Network-device backend */
-#define CMSG_NETIF_FE 4 /* Network-device frontend */
-#define CMSG_SHUTDOWN 6 /* Shutdown messages */
-
-
-/******************************************************************************
- * CONSOLE DEFINITIONS
- */
-
-/*
- * Subtypes for console messages.
- */
-#define CMSG_CONSOLE_DATA 0
-
-
-/******************************************************************************
- * BLOCK-INTERFACE FRONTEND DEFINITIONS
- */
-
-/* Messages from domain controller to guest. */
-#define CMSG_BLKIF_FE_INTERFACE_STATUS_CHANGED 0
-
-/* Messages from guest to domain controller. */
-#define CMSG_BLKIF_FE_DRIVER_STATUS_CHANGED 32
-#define CMSG_BLKIF_FE_INTERFACE_CONNECT 33
-#define CMSG_BLKIF_FE_INTERFACE_DISCONNECT 34
-
-/* These are used by both front-end and back-end drivers. */
-#define blkif_vdev_t u16
-#define blkif_pdev_t u16
-#define blkif_sector_t u64
-
-/*
- * CMSG_BLKIF_FE_INTERFACE_STATUS_CHANGED:
- * Notify a guest about a status change on one of its block interfaces.
- * If the interface is DESTROYED or DOWN then the interface is disconnected:
- * 1. The shared-memory frame is available for reuse.
- * 2. Any unacknowledged messgaes pending on the interface were dropped.
- */
-#define BLKIF_INTERFACE_STATUS_DESTROYED 0 /* Interface doesn't exist. */
-#define BLKIF_INTERFACE_STATUS_DISCONNECTED 1 /* Exists but is disconnected. */
-#define BLKIF_INTERFACE_STATUS_CONNECTED 2 /* Exists and is connected. */
-typedef struct {
- u32 handle; /* 0 */
- u32 status; /* 4 */
- u16 evtchn; /* 8: (only if status == BLKIF_INTERFACE_STATUS_CONNECTED). */
-} PACKED blkif_fe_interface_status_changed_t; /* 10 bytes */
-
-/*
- * CMSG_BLKIF_FE_DRIVER_STATUS_CHANGED:
- * Notify the domain controller that the front-end driver is DOWN or UP.
- * When the driver goes DOWN then the controller will send no more
- * status-change notifications. When the driver comes UP then the controller
- * will send a notification for each interface that currently exists.
- * If the driver goes DOWN while interfaces are still UP, the domain
- * will automatically take the interfaces DOWN.
- */
-#define BLKIF_DRIVER_STATUS_DOWN 0
-#define BLKIF_DRIVER_STATUS_UP 1
-typedef struct {
- /* IN */
- u32 status; /* 0: BLKIF_DRIVER_STATUS_??? */
- /* OUT */
- /*
- * Tells driver how many interfaces it should expect to immediately
- * receive notifications about.
- */
- u32 nr_interfaces; /* 4 */
-} PACKED blkif_fe_driver_status_changed_t; /* 8 bytes */
-
-/*
- * CMSG_BLKIF_FE_INTERFACE_CONNECT:
- * If successful, the domain controller will acknowledge with a
- * STATUS_CONNECTED message.
- */
-typedef struct {
- u32 handle; /* 0 */
- u32 __pad;
- memory_t shmem_frame; /* 8 */
- MEMORY_PADDING;
-} PACKED blkif_fe_interface_connect_t; /* 16 bytes */
-
-/*
- * CMSG_BLKIF_FE_INTERFACE_DISCONNECT:
- * If successful, the domain controller will acknowledge with a
- * STATUS_DISCONNECTED message.
- */
-typedef struct {
- u32 handle; /* 0 */
-} PACKED blkif_fe_interface_disconnect_t; /* 4 bytes */
-
-
-/******************************************************************************
- * BLOCK-INTERFACE BACKEND DEFINITIONS
- */
-
-/* Messages from domain controller. */
-#define CMSG_BLKIF_BE_CREATE 0 /* Create a new block-device interface. */
-#define CMSG_BLKIF_BE_DESTROY 1 /* Destroy a block-device interface. */
-#define CMSG_BLKIF_BE_CONNECT 2 /* Connect i/f to remote driver. */
-#define CMSG_BLKIF_BE_DISCONNECT 3 /* Disconnect i/f from remote driver. */
-#define CMSG_BLKIF_BE_VBD_CREATE 4 /* Create a new VBD for an interface. */
-#define CMSG_BLKIF_BE_VBD_DESTROY 5 /* Delete a VBD from an interface. */
-#define CMSG_BLKIF_BE_VBD_GROW 6 /* Append an extent to a given VBD. */
-#define CMSG_BLKIF_BE_VBD_SHRINK 7 /* Remove last extent from a given VBD. */
-
-/* Messages to domain controller. */
-#define CMSG_BLKIF_BE_DRIVER_STATUS_CHANGED 32
-
-/*
- * Message request/response definitions for block-device messages.
- */
-
-typedef struct {
- blkif_sector_t sector_start; /* 0 */
- blkif_sector_t sector_length; /* 8 */
- blkif_pdev_t device; /* 16 */
- u16 __pad; /* 18 */
-} PACKED blkif_extent_t; /* 20 bytes */
-
-/* Non-specific 'okay' return. */
-#define BLKIF_BE_STATUS_OKAY 0
-/* Non-specific 'error' return. */
-#define BLKIF_BE_STATUS_ERROR 1
-/* The following are specific error returns. */
-#define BLKIF_BE_STATUS_INTERFACE_EXISTS 2
-#define BLKIF_BE_STATUS_INTERFACE_NOT_FOUND 3
-#define BLKIF_BE_STATUS_INTERFACE_CONNECTED 4
-#define BLKIF_BE_STATUS_VBD_EXISTS 5
-#define BLKIF_BE_STATUS_VBD_NOT_FOUND 6
-#define BLKIF_BE_STATUS_OUT_OF_MEMORY 7
-#define BLKIF_BE_STATUS_EXTENT_NOT_FOUND 8
-#define BLKIF_BE_STATUS_MAPPING_ERROR 9
-
-/* This macro can be used to create an array of descriptive error strings. */
-#define BLKIF_BE_STATUS_ERRORS { \
- "Okay", \
- "Non-specific error", \
- "Interface already exists", \
- "Interface not found", \
- "Interface is still connected", \
- "VBD already exists", \
- "VBD not found", \
- "Out of memory", \
- "Extent not found for VBD", \
- "Could not map domain memory" }
-
-/*
- * CMSG_BLKIF_BE_CREATE:
- * When the driver sends a successful response then the interface is fully
- * created. The controller will send a DOWN notification to the front-end
- * driver.
- */
-typedef struct {
- /* IN */
- domid_t domid; /* 0: Domain attached to new interface. */
- u32 blkif_handle; /* 4: Domain-specific interface handle. */
- /* OUT */
- u32 status; /* 8 */
-} PACKED blkif_be_create_t; /* 12 bytes */
-
-/*
- * CMSG_BLKIF_BE_DESTROY:
- * When the driver sends a successful response then the interface is fully
- * torn down. The controller will send a DESTROYED notification to the
- * front-end driver.
- */
-typedef struct {
- /* IN */
- domid_t domid; /* 0: Identify interface to be destroyed. */
- u32 blkif_handle; /* 4: ...ditto... */
- /* OUT */
- u32 status; /* 8 */
-} PACKED blkif_be_destroy_t; /* 12 bytes */
-
-/*
- * CMSG_BLKIF_BE_CONNECT:
- * When the driver sends a successful response then the interface is fully
- * connected. The controller will send a CONNECTED notification to the
- * front-end driver.
- */
-typedef struct {
- /* IN */
- domid_t domid; /* 0: Domain attached to new interface. */
- u32 blkif_handle; /* 4: Domain-specific interface handle. */
- memory_t shmem_frame; /* 8: Page cont. shared comms window. */
- MEMORY_PADDING;
- u32 evtchn; /* 16: Event channel for notifications. */
- /* OUT */
- u32 status; /* 20 */
-} PACKED blkif_be_connect_t; /* 24 bytes */
-
-/*
- * CMSG_BLKIF_BE_DISCONNECT:
- * When the driver sends a successful response then the interface is fully
- * disconnected. The controller will send a DOWN notification to the front-end
- * driver.
- */
-typedef struct {
- /* IN */
- domid_t domid; /* 0: Domain attached to new interface. */
- u32 blkif_handle; /* 4: Domain-specific interface handle. */
- /* OUT */
- u32 status; /* 8 */
-} PACKED blkif_be_disconnect_t; /* 12 bytes */
-
-/* CMSG_BLKIF_BE_VBD_CREATE */
-typedef struct {
- /* IN */
- domid_t domid; /* 0: Identify blkdev interface. */
- u32 blkif_handle; /* 4: ...ditto... */
- blkif_vdev_t vdevice; /* 8: Interface-specific id for this VBD. */
- u16 readonly; /* 10: Non-zero -> VBD isn't writeable. */
- /* OUT */
- u32 status; /* 12 */
-} PACKED blkif_be_vbd_create_t; /* 16 bytes */
-
-/* CMSG_BLKIF_BE_VBD_DESTROY */
-typedef struct {
- /* IN */
- domid_t domid; /* 0: Identify blkdev interface. */
- u32 blkif_handle; /* 4: ...ditto... */
- blkif_vdev_t vdevice; /* 8: Interface-specific id of the VBD. */
- u16 __pad; /* 10 */
- /* OUT */
- u32 status; /* 12 */
-} PACKED blkif_be_vbd_destroy_t; /* 16 bytes */
-
-/* CMSG_BLKIF_BE_VBD_GROW */
-typedef struct {
- /* IN */
- domid_t domid; /* 0: Identify blkdev interface. */
- u32 blkif_handle; /* 4: ...ditto... */
- blkif_extent_t extent; /* 8: Physical extent to append to VBD. */
- blkif_vdev_t vdevice; /* 28: Interface-specific id of the VBD. */
- u16 __pad; /* 30 */
- /* OUT */
- u32 status; /* 32 */
-} PACKED blkif_be_vbd_grow_t; /* 36 bytes */
-
-/* CMSG_BLKIF_BE_VBD_SHRINK */
-typedef struct {
- /* IN */
- domid_t domid; /* 0: Identify blkdev interface. */
- u32 blkif_handle; /* 4: ...ditto... */
- blkif_vdev_t vdevice; /* 8: Interface-specific id of the VBD. */
- u16 __pad; /* 10 */
- /* OUT */
- u32 status; /* 12 */
-} PACKED blkif_be_vbd_shrink_t; /* 16 bytes */
-
-/*
- * CMSG_BLKIF_BE_DRIVER_STATUS_CHANGED:
- * Notify the domain controller that the back-end driver is DOWN or UP.
- * If the driver goes DOWN while interfaces are still UP, the controller
- * will automatically send DOWN notifications.
- */
-typedef struct {
- u32 status; /* 0: BLKIF_DRIVER_STATUS_??? */
-} PACKED blkif_be_driver_status_changed_t; /* 4 bytes */
-
-
-/******************************************************************************
- * NETWORK-INTERFACE FRONTEND DEFINITIONS
- */
-
-/* Messages from domain controller to guest. */
-#define CMSG_NETIF_FE_INTERFACE_STATUS_CHANGED 0
-
-/* Messages from guest to domain controller. */
-#define CMSG_NETIF_FE_DRIVER_STATUS_CHANGED 32
-#define CMSG_NETIF_FE_INTERFACE_CONNECT 33
-#define CMSG_NETIF_FE_INTERFACE_DISCONNECT 34
-
-/*
- * CMSG_NETIF_FE_INTERFACE_STATUS_CHANGED:
- * Notify a guest about a status change on one of its network interfaces.
- * If the interface is DESTROYED or DOWN then the interface is disconnected:
- * 1. The shared-memory frame is available for reuse.
- * 2. Any unacknowledged messgaes pending on the interface were dropped.
- */
-#define NETIF_INTERFACE_STATUS_DESTROYED 0 /* Interface doesn't exist. */
-#define NETIF_INTERFACE_STATUS_DISCONNECTED 1 /* Exists but is disconnected. */
-#define NETIF_INTERFACE_STATUS_CONNECTED 2 /* Exists and is connected. */
-typedef struct {
- u32 handle; /* 0 */
- u32 status; /* 4 */
- u16 evtchn; /* 8: status == NETIF_INTERFACE_STATUS_CONNECTED */
- u8 mac[6]; /* 10: status == NETIF_INTERFACE_STATUS_CONNECTED */
-} PACKED netif_fe_interface_status_changed_t; /* 16 bytes */
-
-/*
- * CMSG_NETIF_FE_DRIVER_STATUS_CHANGED:
- * Notify the domain controller that the front-end driver is DOWN or UP.
- * When the driver goes DOWN then the controller will send no more
- * status-change notifications. When the driver comes UP then the controller
- * will send a notification for each interface that currently exists.
- * If the driver goes DOWN while interfaces are still UP, the domain
- * will automatically take the interfaces DOWN.
- */
-#define NETIF_DRIVER_STATUS_DOWN 0
-#define NETIF_DRIVER_STATUS_UP 1
-typedef struct {
- /* IN */
- u32 status; /* 0: NETIF_DRIVER_STATUS_??? */
- /* OUT */
- /*
- * Tells driver how many interfaces it should expect to immediately
- * receive notifications about.
- */
- u32 nr_interfaces; /* 4 */
-} PACKED netif_fe_driver_status_changed_t; /* 8 bytes */
-
-/*
- * CMSG_NETIF_FE_INTERFACE_CONNECT:
- * If successful, the domain controller will acknowledge with a
- * STATUS_CONNECTED message.
- */
-typedef struct {
- u32 handle; /* 0 */
- u32 __pad; /* 4 */
- memory_t tx_shmem_frame; /* 8 */
- MEMORY_PADDING;
- memory_t rx_shmem_frame; /* 16 */
- MEMORY_PADDING;
-} PACKED netif_fe_interface_connect_t; /* 24 bytes */
-
-/*
- * CMSG_NETIF_FE_INTERFACE_DISCONNECT:
- * If successful, the domain controller will acknowledge with a
- * STATUS_DISCONNECTED message.
- */
-typedef struct {
- u32 handle; /* 0 */
-} PACKED netif_fe_interface_disconnect_t; /* 4 bytes */
-
-
-/******************************************************************************
- * NETWORK-INTERFACE BACKEND DEFINITIONS
- */
-
-/* Messages from domain controller. */
-#define CMSG_NETIF_BE_CREATE 0 /* Create a new net-device interface. */
-#define CMSG_NETIF_BE_DESTROY 1 /* Destroy a net-device interface. */
-#define CMSG_NETIF_BE_CONNECT 2 /* Connect i/f to remote driver. */
-#define CMSG_NETIF_BE_DISCONNECT 3 /* Disconnect i/f from remote driver. */
-
-/* Messages to domain controller. */
-#define CMSG_NETIF_BE_DRIVER_STATUS_CHANGED 32
-
-/*
- * Message request/response definitions for net-device messages.
- */
-
-/* Non-specific 'okay' return. */
-#define NETIF_BE_STATUS_OKAY 0
-/* Non-specific 'error' return. */
-#define NETIF_BE_STATUS_ERROR 1
-/* The following are specific error returns. */
-#define NETIF_BE_STATUS_INTERFACE_EXISTS 2
-#define NETIF_BE_STATUS_INTERFACE_NOT_FOUND 3
-#define NETIF_BE_STATUS_INTERFACE_CONNECTED 4
-#define NETIF_BE_STATUS_OUT_OF_MEMORY 5
-#define NETIF_BE_STATUS_MAPPING_ERROR 6
-
-/* This macro can be used to create an array of descriptive error strings. */
-#define NETIF_BE_STATUS_ERRORS { \
- "Okay", \
- "Non-specific error", \
- "Interface already exists", \
- "Interface not found", \
- "Interface is still connected", \
- "Out of memory", \
- "Could not map domain memory" }
-
-/*
- * CMSG_NETIF_BE_CREATE:
- * When the driver sends a successful response then the interface is fully
- * created. The controller will send a DOWN notification to the front-end
- * driver.
- */
-typedef struct {
- /* IN */
- domid_t domid; /* 0: Domain attached to new interface. */
- u32 netif_handle; /* 4: Domain-specific interface handle. */
- u8 mac[6]; /* 8 */
- u16 __pad; /* 14 */
- /* OUT */
- u32 status; /* 16 */
-} PACKED netif_be_create_t; /* 20 bytes */
-
-/*
- * CMSG_NETIF_BE_DESTROY:
- * When the driver sends a successful response then the interface is fully
- * torn down. The controller will send a DESTROYED notification to the
- * front-end driver.
- */
-typedef struct {
- /* IN */
- domid_t domid; /* 0: Identify interface to be destroyed. */
- u32 netif_handle; /* 4: ...ditto... */
- /* OUT */
- u32 status; /* 8 */
-} PACKED netif_be_destroy_t; /* 12 bytes */
-
-/*
- * CMSG_NETIF_BE_CONNECT:
- * When the driver sends a successful response then the interface is fully
- * connected. The controller will send a CONNECTED notification to the
- * front-end driver.
- */
-typedef struct {
- /* IN */
- domid_t domid; /* 0: Domain attached to new interface. */
- u32 netif_handle; /* 4: Domain-specific interface handle. */
- memory_t tx_shmem_frame; /* 8: Page cont. tx shared comms window. */
- MEMORY_PADDING;
- memory_t rx_shmem_frame; /* 16: Page cont. rx shared comms window. */
- MEMORY_PADDING;
- u16 evtchn; /* 24: Event channel for notifications. */
- u16 __pad; /* 26 */
- /* OUT */
- u32 status; /* 28 */
-} PACKED netif_be_connect_t; /* 32 bytes */
-
-/*
- * CMSG_NETIF_BE_DISCONNECT:
- * When the driver sends a successful response then the interface is fully
- * disconnected. The controller will send a DOWN notification to the front-end
- * driver.
- */
-typedef struct {
- /* IN */
- domid_t domid; /* 0: Domain attached to new interface. */
- u32 netif_handle; /* 4: Domain-specific interface handle. */
- /* OUT */
- u32 status; /* 8 */
-} PACKED netif_be_disconnect_t; /* 12 bytes */
-
-/*
- * CMSG_NETIF_BE_DRIVER_STATUS_CHANGED:
- * Notify the domain controller that the back-end driver is DOWN or UP.
- * If the driver goes DOWN while interfaces are still UP, the domain
- * will automatically send DOWN notifications.
- */
-typedef struct {
- u32 status; /* 0: NETIF_DRIVER_STATUS_??? */
-} PACKED netif_be_driver_status_changed_t; /* 4 bytes */
-
-
-/******************************************************************************
- * SHUTDOWN DEFINITIONS
- */
-
-/*
- * Subtypes for shutdown messages.
- */
-#define CMSG_SHUTDOWN_POWEROFF 0 /* Clean shutdown (SHUTDOWN_poweroff). */
-#define CMSG_SHUTDOWN_REBOOT 1 /* Clean shutdown (SHUTDOWN_reboot). */
-#define CMSG_SHUTDOWN_SUSPEND 2 /* Create suspend info, then */
- /* SHUTDOWN_suspend. */
-
-#endif /* __DOMAIN_CONTROLLER_H__ */
#include <xc.h>
#include <hypervisor-if.h>
-#include "domain_controller.h"
+#include <io/domain_controller.h>
#include <asm-xen/proc_cmd.h>
CFLAGS += -I $(XEN_HYPERVISOR_IFS)
CFLAGS += -I $(XEN_LINUX_INCLUDE)
CFLAGS += -I $(XEN_XC)
-CFLAGS += -I $(XEN_XU)
CFLAGS += -I $(XEN_LIBXC)
CFLAGS += -I $(XEN_LIBXUTIL)
vpath %h $(XEN_LINUX_INCLUDE)
INCLUDES += -I $(XEN_LINUX_INCLUDE)
-vpath %.h $(XEN_XU)
-INCLUDES += -I $(XEN_XU)
-
vpath %.h $(XEN_LIBXC)
INCLUDES += -I $(XEN_LIBXC)
--- /dev/null
+/******************************************************************************
+ * blkif.h
+ *
+ * Unified block-device I/O interface for Xen guest OSes.
+ *
+ * Copyright (c) 2003-2004, Keir Fraser
+ */
+
+#ifndef __SHARED_BLKIF_H__
+#define __SHARED_BLKIF_H__
+
+#define blkif_vdev_t u16
+#define blkif_sector_t u64
+
+#define BLKIF_OP_READ 0
+#define BLKIF_OP_WRITE 1
+#define BLKIF_OP_PROBE 2
+
+/* NB. Ring size must be small enough for sizeof(blkif_ring_t) <= PAGE_SIZE. */
+#define BLKIF_RING_SIZE 64
+
+/*
+ * Maximum scatter/gather segments per request.
+ * This is carefully chosen so that sizeof(blkif_ring_t) <= PAGE_SIZE.
+ * NB. This could be 12 if the ring indexes weren't stored in the same page.
+ */
+#define BLKIF_MAX_SEGMENTS_PER_REQUEST 11
+
+typedef struct {
+ u8 operation; /* 0: BLKIF_OP_??? */
+ u8 nr_segments; /* 1: number of segments */
+ blkif_vdev_t device; /* 2: only for read/write requests */
+ unsigned long id; /* 4: private guest value, echoed in resp */
+ blkif_sector_t sector_number; /* start sector idx on disk (r/w only) */
+ /* @f_a_s[2:0]=last_sect ; @f_a_s[5:3]=first_sect ; @f_a_s[:12]=frame. */
+ /* @first_sect: first sector in frame to transfer (inclusive). */
+ /* @last_sect: last sector in frame to transfer (inclusive). */
+ /* @frame: machine page frame number. */
+ unsigned long frame_and_sects[BLKIF_MAX_SEGMENTS_PER_REQUEST];
+} PACKED blkif_request_t;
+
+#define blkif_first_sect(_fas) (((_fas)>>3)&7)
+#define blkif_last_sect(_fas) ((_fas)&7)
+
+typedef struct {
+ unsigned long id; /* copied from request */
+ u8 operation; /* copied from request */
+ s16 status; /* BLKIF_RSP_??? */
+} PACKED blkif_response_t;
+
+#define BLKIF_RSP_ERROR -1 /* non-specific 'error' */
+#define BLKIF_RSP_OKAY 0 /* non-specific 'okay' */
+
+/*
+ * We use a special capitalised type name because it is _essential_ that all
+ * arithmetic on indexes is done on an integer type of the correct size.
+ */
+typedef u32 BLKIF_RING_IDX;
+
+/*
+ * Ring indexes are 'free running'. That is, they are not stored modulo the
+ * size of the ring buffer. The following macro converts a free-running counter
+ * into a value that can directly index a ring-buffer array.
+ */
+#define MASK_BLKIF_IDX(_i) ((_i)&(BLKIF_RING_SIZE-1))
+
+typedef struct {
+ BLKIF_RING_IDX req_prod; /* 0: Request producer. Updated by front-end. */
+ BLKIF_RING_IDX resp_prod; /* 4: Response producer. Updated by back-end. */
+ union { /* 8 */
+ blkif_request_t req;
+ blkif_response_t resp;
+ } PACKED ring[BLKIF_RING_SIZE];
+} PACKED blkif_ring_t;
+
+
+/*
+ * BLKIF_OP_PROBE:
+ * The request format for a probe request is constrained as follows:
+ * @operation == BLKIF_OP_PROBE
+ * @nr_segments == size of probe buffer in pages
+ * @device == unused (zero)
+ * @id == any value (echoed in response message)
+ * @sector_num == unused (zero)
+ * @frame_and_sects == list of page-sized buffers.
+ * (i.e., @first_sect == 0, @last_sect == 7).
+ *
+ * The response is a list of vdisk_t elements copied into the out-of-band
+ * probe buffer. On success the response status field contains the number
+ * of vdisk_t elements.
+ */
+
+/* XXX SMH: Type values below are chosen to match ide_xxx in Linux ide.h. */
+#define VDISK_TYPE_FLOPPY 0x00
+#define VDISK_TYPE_TAPE 0x01
+#define VDISK_TYPE_CDROM 0x05
+#define VDISK_TYPE_OPTICAL 0x07
+#define VDISK_TYPE_DISK 0x20
+
+#define VDISK_TYPE_MASK 0x3F
+#define VDISK_TYPE(_x) ((_x) & VDISK_TYPE_MASK)
+
+/* The top two bits of the type field encode various flags. */
+#define VDISK_FLAG_RO 0x40
+#define VDISK_FLAG_VIRT 0x80
+#define VDISK_READONLY(_x) ((_x) & VDISK_FLAG_RO)
+#define VDISK_VIRTUAL(_x) ((_x) & VDISK_FLAG_VIRT)
+
+typedef struct {
+ blkif_sector_t capacity; /* 0: Size in terms of 512-byte sectors. */
+ blkif_vdev_t device; /* 8: Device number (opaque 16 bit value). */
+ u16 info; /* 10: Device type and flags (VDISK_*). */
+} PACKED vdisk_t; /* 12 bytes */
+
+#endif /* __SHARED_BLKIF_H__ */
--- /dev/null
+/******************************************************************************
+ * domain_controller.h
+ *
+ * Interface to server controller (e.g., 'xend'). This header file defines the
+ * interface that is shared with guest OSes.
+ *
+ * Copyright (c) 2004, K A Fraser
+ */
+
+#ifndef __DOMAIN_CONTROLLER_H__
+#define __DOMAIN_CONTROLLER_H__
+
+
+#ifndef BASIC_START_INFO
+#error "Xen header file hypervisor-if.h must already be included here."
+#endif
+
+
+/*
+ * EXTENDED BOOTSTRAP STRUCTURE FOR NEW DOMAINS.
+ */
+
+typedef struct {
+ BASIC_START_INFO;
+ u16 domain_controller_evtchn; /* 320 */
+} PACKED extended_start_info_t; /* 322 bytes */
+#define SIF_BLK_BE_DOMAIN (1<<4) /* Is this a block backend domain? */
+#define SIF_NET_BE_DOMAIN (1<<5) /* Is this a net backend domain? */
+
+
+/*
+ * Reason codes for SCHEDOP_shutdown. These are opaque to Xen but may be
+ * interpreted by control software to determine the appropriate action. These
+ * are only really advisories: the controller can actually do as it likes.
+ */
+#define SHUTDOWN_poweroff 0 /* Domain exited normally. Clean up and kill. */
+#define SHUTDOWN_reboot 1 /* Clean up, kill, and then restart. */
+#define SHUTDOWN_suspend 2 /* Clean up, save suspend info, kill. */
+
+
+/*
+ * CONTROLLER MESSAGING INTERFACE.
+ */
+
+typedef struct {
+ u8 type; /* 0: echoed in response */
+ u8 subtype; /* 1: echoed in response */
+ u8 id; /* 2: echoed in response */
+ u8 length; /* 3: number of bytes in 'msg' */
+ u8 msg[60]; /* 4: type-specific message data */
+} PACKED control_msg_t; /* 64 bytes */
+
+#define CONTROL_RING_SIZE 8
+typedef u32 CONTROL_RING_IDX;
+#define MASK_CONTROL_IDX(_i) ((_i)&(CONTROL_RING_SIZE-1))
+
+typedef struct {
+ control_msg_t tx_ring[CONTROL_RING_SIZE]; /* 0: guest -> controller */
+ control_msg_t rx_ring[CONTROL_RING_SIZE]; /* 512: controller -> guest */
+ CONTROL_RING_IDX tx_req_prod, tx_resp_prod; /* 1024, 1028 */
+ CONTROL_RING_IDX rx_req_prod, rx_resp_prod; /* 1032, 1036 */
+} PACKED control_if_t; /* 1040 bytes */
+
+/*
+ * Top-level command types.
+ */
+#define CMSG_CONSOLE 0 /* Console */
+#define CMSG_BLKIF_BE 1 /* Block-device backend */
+#define CMSG_BLKIF_FE 2 /* Block-device frontend */
+#define CMSG_NETIF_BE 3 /* Network-device backend */
+#define CMSG_NETIF_FE 4 /* Network-device frontend */
+#define CMSG_SHUTDOWN 6 /* Shutdown messages */
+
+
+/******************************************************************************
+ * CONSOLE DEFINITIONS
+ */
+
+/*
+ * Subtypes for console messages.
+ */
+#define CMSG_CONSOLE_DATA 0
+
+
+/******************************************************************************
+ * BLOCK-INTERFACE FRONTEND DEFINITIONS
+ */
+
+/* Messages from domain controller to guest. */
+#define CMSG_BLKIF_FE_INTERFACE_STATUS_CHANGED 0
+
+/* Messages from guest to domain controller. */
+#define CMSG_BLKIF_FE_DRIVER_STATUS_CHANGED 32
+#define CMSG_BLKIF_FE_INTERFACE_CONNECT 33
+#define CMSG_BLKIF_FE_INTERFACE_DISCONNECT 34
+
+/* These are used by both front-end and back-end drivers. */
+#define blkif_vdev_t u16
+#define blkif_pdev_t u16
+#define blkif_sector_t u64
+
+/*
+ * CMSG_BLKIF_FE_INTERFACE_STATUS_CHANGED:
+ * Notify a guest about a status change on one of its block interfaces.
+ * If the interface is DESTROYED or DOWN then the interface is disconnected:
+ * 1. The shared-memory frame is available for reuse.
+ * 2. Any unacknowledged messgaes pending on the interface were dropped.
+ */
+#define BLKIF_INTERFACE_STATUS_DESTROYED 0 /* Interface doesn't exist. */
+#define BLKIF_INTERFACE_STATUS_DISCONNECTED 1 /* Exists but is disconnected. */
+#define BLKIF_INTERFACE_STATUS_CONNECTED 2 /* Exists and is connected. */
+typedef struct {
+ u32 handle; /* 0 */
+ u32 status; /* 4 */
+ u16 evtchn; /* 8: (only if status == BLKIF_INTERFACE_STATUS_CONNECTED). */
+} PACKED blkif_fe_interface_status_changed_t; /* 10 bytes */
+
+/*
+ * CMSG_BLKIF_FE_DRIVER_STATUS_CHANGED:
+ * Notify the domain controller that the front-end driver is DOWN or UP.
+ * When the driver goes DOWN then the controller will send no more
+ * status-change notifications. When the driver comes UP then the controller
+ * will send a notification for each interface that currently exists.
+ * If the driver goes DOWN while interfaces are still UP, the domain
+ * will automatically take the interfaces DOWN.
+ */
+#define BLKIF_DRIVER_STATUS_DOWN 0
+#define BLKIF_DRIVER_STATUS_UP 1
+typedef struct {
+ /* IN */
+ u32 status; /* 0: BLKIF_DRIVER_STATUS_??? */
+ /* OUT */
+ /*
+ * Tells driver how many interfaces it should expect to immediately
+ * receive notifications about.
+ */
+ u32 nr_interfaces; /* 4 */
+} PACKED blkif_fe_driver_status_changed_t; /* 8 bytes */
+
+/*
+ * CMSG_BLKIF_FE_INTERFACE_CONNECT:
+ * If successful, the domain controller will acknowledge with a
+ * STATUS_CONNECTED message.
+ */
+typedef struct {
+ u32 handle; /* 0 */
+ u32 __pad;
+ memory_t shmem_frame; /* 8 */
+ MEMORY_PADDING;
+} PACKED blkif_fe_interface_connect_t; /* 16 bytes */
+
+/*
+ * CMSG_BLKIF_FE_INTERFACE_DISCONNECT:
+ * If successful, the domain controller will acknowledge with a
+ * STATUS_DISCONNECTED message.
+ */
+typedef struct {
+ u32 handle; /* 0 */
+} PACKED blkif_fe_interface_disconnect_t; /* 4 bytes */
+
+
+/******************************************************************************
+ * BLOCK-INTERFACE BACKEND DEFINITIONS
+ */
+
+/* Messages from domain controller. */
+#define CMSG_BLKIF_BE_CREATE 0 /* Create a new block-device interface. */
+#define CMSG_BLKIF_BE_DESTROY 1 /* Destroy a block-device interface. */
+#define CMSG_BLKIF_BE_CONNECT 2 /* Connect i/f to remote driver. */
+#define CMSG_BLKIF_BE_DISCONNECT 3 /* Disconnect i/f from remote driver. */
+#define CMSG_BLKIF_BE_VBD_CREATE 4 /* Create a new VBD for an interface. */
+#define CMSG_BLKIF_BE_VBD_DESTROY 5 /* Delete a VBD from an interface. */
+#define CMSG_BLKIF_BE_VBD_GROW 6 /* Append an extent to a given VBD. */
+#define CMSG_BLKIF_BE_VBD_SHRINK 7 /* Remove last extent from a given VBD. */
+
+/* Messages to domain controller. */
+#define CMSG_BLKIF_BE_DRIVER_STATUS_CHANGED 32
+
+/*
+ * Message request/response definitions for block-device messages.
+ */
+
+typedef struct {
+ blkif_sector_t sector_start; /* 0 */
+ blkif_sector_t sector_length; /* 8 */
+ blkif_pdev_t device; /* 16 */
+ u16 __pad; /* 18 */
+} PACKED blkif_extent_t; /* 20 bytes */
+
+/* Non-specific 'okay' return. */
+#define BLKIF_BE_STATUS_OKAY 0
+/* Non-specific 'error' return. */
+#define BLKIF_BE_STATUS_ERROR 1
+/* The following are specific error returns. */
+#define BLKIF_BE_STATUS_INTERFACE_EXISTS 2
+#define BLKIF_BE_STATUS_INTERFACE_NOT_FOUND 3
+#define BLKIF_BE_STATUS_INTERFACE_CONNECTED 4
+#define BLKIF_BE_STATUS_VBD_EXISTS 5
+#define BLKIF_BE_STATUS_VBD_NOT_FOUND 6
+#define BLKIF_BE_STATUS_OUT_OF_MEMORY 7
+#define BLKIF_BE_STATUS_EXTENT_NOT_FOUND 8
+#define BLKIF_BE_STATUS_MAPPING_ERROR 9
+
+/* This macro can be used to create an array of descriptive error strings. */
+#define BLKIF_BE_STATUS_ERRORS { \
+ "Okay", \
+ "Non-specific error", \
+ "Interface already exists", \
+ "Interface not found", \
+ "Interface is still connected", \
+ "VBD already exists", \
+ "VBD not found", \
+ "Out of memory", \
+ "Extent not found for VBD", \
+ "Could not map domain memory" }
+
+/*
+ * CMSG_BLKIF_BE_CREATE:
+ * When the driver sends a successful response then the interface is fully
+ * created. The controller will send a DOWN notification to the front-end
+ * driver.
+ */
+typedef struct {
+ /* IN */
+ domid_t domid; /* 0: Domain attached to new interface. */
+ u32 blkif_handle; /* 4: Domain-specific interface handle. */
+ /* OUT */
+ u32 status; /* 8 */
+} PACKED blkif_be_create_t; /* 12 bytes */
+
+/*
+ * CMSG_BLKIF_BE_DESTROY:
+ * When the driver sends a successful response then the interface is fully
+ * torn down. The controller will send a DESTROYED notification to the
+ * front-end driver.
+ */
+typedef struct {
+ /* IN */
+ domid_t domid; /* 0: Identify interface to be destroyed. */
+ u32 blkif_handle; /* 4: ...ditto... */
+ /* OUT */
+ u32 status; /* 8 */
+} PACKED blkif_be_destroy_t; /* 12 bytes */
+
+/*
+ * CMSG_BLKIF_BE_CONNECT:
+ * When the driver sends a successful response then the interface is fully
+ * connected. The controller will send a CONNECTED notification to the
+ * front-end driver.
+ */
+typedef struct {
+ /* IN */
+ domid_t domid; /* 0: Domain attached to new interface. */
+ u32 blkif_handle; /* 4: Domain-specific interface handle. */
+ memory_t shmem_frame; /* 8: Page cont. shared comms window. */
+ MEMORY_PADDING;
+ u32 evtchn; /* 16: Event channel for notifications. */
+ /* OUT */
+ u32 status; /* 20 */
+} PACKED blkif_be_connect_t; /* 24 bytes */
+
+/*
+ * CMSG_BLKIF_BE_DISCONNECT:
+ * When the driver sends a successful response then the interface is fully
+ * disconnected. The controller will send a DOWN notification to the front-end
+ * driver.
+ */
+typedef struct {
+ /* IN */
+ domid_t domid; /* 0: Domain attached to new interface. */
+ u32 blkif_handle; /* 4: Domain-specific interface handle. */
+ /* OUT */
+ u32 status; /* 8 */
+} PACKED blkif_be_disconnect_t; /* 12 bytes */
+
+/* CMSG_BLKIF_BE_VBD_CREATE */
+typedef struct {
+ /* IN */
+ domid_t domid; /* 0: Identify blkdev interface. */
+ u32 blkif_handle; /* 4: ...ditto... */
+ blkif_vdev_t vdevice; /* 8: Interface-specific id for this VBD. */
+ u16 readonly; /* 10: Non-zero -> VBD isn't writeable. */
+ /* OUT */
+ u32 status; /* 12 */
+} PACKED blkif_be_vbd_create_t; /* 16 bytes */
+
+/* CMSG_BLKIF_BE_VBD_DESTROY */
+typedef struct {
+ /* IN */
+ domid_t domid; /* 0: Identify blkdev interface. */
+ u32 blkif_handle; /* 4: ...ditto... */
+ blkif_vdev_t vdevice; /* 8: Interface-specific id of the VBD. */
+ u16 __pad; /* 10 */
+ /* OUT */
+ u32 status; /* 12 */
+} PACKED blkif_be_vbd_destroy_t; /* 16 bytes */
+
+/* CMSG_BLKIF_BE_VBD_GROW */
+typedef struct {
+ /* IN */
+ domid_t domid; /* 0: Identify blkdev interface. */
+ u32 blkif_handle; /* 4: ...ditto... */
+ blkif_extent_t extent; /* 8: Physical extent to append to VBD. */
+ blkif_vdev_t vdevice; /* 28: Interface-specific id of the VBD. */
+ u16 __pad; /* 30 */
+ /* OUT */
+ u32 status; /* 32 */
+} PACKED blkif_be_vbd_grow_t; /* 36 bytes */
+
+/* CMSG_BLKIF_BE_VBD_SHRINK */
+typedef struct {
+ /* IN */
+ domid_t domid; /* 0: Identify blkdev interface. */
+ u32 blkif_handle; /* 4: ...ditto... */
+ blkif_vdev_t vdevice; /* 8: Interface-specific id of the VBD. */
+ u16 __pad; /* 10 */
+ /* OUT */
+ u32 status; /* 12 */
+} PACKED blkif_be_vbd_shrink_t; /* 16 bytes */
+
+/*
+ * CMSG_BLKIF_BE_DRIVER_STATUS_CHANGED:
+ * Notify the domain controller that the back-end driver is DOWN or UP.
+ * If the driver goes DOWN while interfaces are still UP, the controller
+ * will automatically send DOWN notifications.
+ */
+typedef struct {
+ u32 status; /* 0: BLKIF_DRIVER_STATUS_??? */
+} PACKED blkif_be_driver_status_changed_t; /* 4 bytes */
+
+
+/******************************************************************************
+ * NETWORK-INTERFACE FRONTEND DEFINITIONS
+ */
+
+/* Messages from domain controller to guest. */
+#define CMSG_NETIF_FE_INTERFACE_STATUS_CHANGED 0
+
+/* Messages from guest to domain controller. */
+#define CMSG_NETIF_FE_DRIVER_STATUS_CHANGED 32
+#define CMSG_NETIF_FE_INTERFACE_CONNECT 33
+#define CMSG_NETIF_FE_INTERFACE_DISCONNECT 34
+
+/*
+ * CMSG_NETIF_FE_INTERFACE_STATUS_CHANGED:
+ * Notify a guest about a status change on one of its network interfaces.
+ * If the interface is DESTROYED or DOWN then the interface is disconnected:
+ * 1. The shared-memory frame is available for reuse.
+ * 2. Any unacknowledged messgaes pending on the interface were dropped.
+ */
+#define NETIF_INTERFACE_STATUS_DESTROYED 0 /* Interface doesn't exist. */
+#define NETIF_INTERFACE_STATUS_DISCONNECTED 1 /* Exists but is disconnected. */
+#define NETIF_INTERFACE_STATUS_CONNECTED 2 /* Exists and is connected. */
+typedef struct {
+ u32 handle; /* 0 */
+ u32 status; /* 4 */
+ u16 evtchn; /* 8: status == NETIF_INTERFACE_STATUS_CONNECTED */
+ u8 mac[6]; /* 10: status == NETIF_INTERFACE_STATUS_CONNECTED */
+} PACKED netif_fe_interface_status_changed_t; /* 16 bytes */
+
+/*
+ * CMSG_NETIF_FE_DRIVER_STATUS_CHANGED:
+ * Notify the domain controller that the front-end driver is DOWN or UP.
+ * When the driver goes DOWN then the controller will send no more
+ * status-change notifications. When the driver comes UP then the controller
+ * will send a notification for each interface that currently exists.
+ * If the driver goes DOWN while interfaces are still UP, the domain
+ * will automatically take the interfaces DOWN.
+ */
+#define NETIF_DRIVER_STATUS_DOWN 0
+#define NETIF_DRIVER_STATUS_UP 1
+typedef struct {
+ /* IN */
+ u32 status; /* 0: NETIF_DRIVER_STATUS_??? */
+ /* OUT */
+ /*
+ * Tells driver how many interfaces it should expect to immediately
+ * receive notifications about.
+ */
+ u32 nr_interfaces; /* 4 */
+} PACKED netif_fe_driver_status_changed_t; /* 8 bytes */
+
+/*
+ * CMSG_NETIF_FE_INTERFACE_CONNECT:
+ * If successful, the domain controller will acknowledge with a
+ * STATUS_CONNECTED message.
+ */
+typedef struct {
+ u32 handle; /* 0 */
+ u32 __pad; /* 4 */
+ memory_t tx_shmem_frame; /* 8 */
+ MEMORY_PADDING;
+ memory_t rx_shmem_frame; /* 16 */
+ MEMORY_PADDING;
+} PACKED netif_fe_interface_connect_t; /* 24 bytes */
+
+/*
+ * CMSG_NETIF_FE_INTERFACE_DISCONNECT:
+ * If successful, the domain controller will acknowledge with a
+ * STATUS_DISCONNECTED message.
+ */
+typedef struct {
+ u32 handle; /* 0 */
+} PACKED netif_fe_interface_disconnect_t; /* 4 bytes */
+
+
+/******************************************************************************
+ * NETWORK-INTERFACE BACKEND DEFINITIONS
+ */
+
+/* Messages from domain controller. */
+#define CMSG_NETIF_BE_CREATE 0 /* Create a new net-device interface. */
+#define CMSG_NETIF_BE_DESTROY 1 /* Destroy a net-device interface. */
+#define CMSG_NETIF_BE_CONNECT 2 /* Connect i/f to remote driver. */
+#define CMSG_NETIF_BE_DISCONNECT 3 /* Disconnect i/f from remote driver. */
+
+/* Messages to domain controller. */
+#define CMSG_NETIF_BE_DRIVER_STATUS_CHANGED 32
+
+/*
+ * Message request/response definitions for net-device messages.
+ */
+
+/* Non-specific 'okay' return. */
+#define NETIF_BE_STATUS_OKAY 0
+/* Non-specific 'error' return. */
+#define NETIF_BE_STATUS_ERROR 1
+/* The following are specific error returns. */
+#define NETIF_BE_STATUS_INTERFACE_EXISTS 2
+#define NETIF_BE_STATUS_INTERFACE_NOT_FOUND 3
+#define NETIF_BE_STATUS_INTERFACE_CONNECTED 4
+#define NETIF_BE_STATUS_OUT_OF_MEMORY 5
+#define NETIF_BE_STATUS_MAPPING_ERROR 6
+
+/* This macro can be used to create an array of descriptive error strings. */
+#define NETIF_BE_STATUS_ERRORS { \
+ "Okay", \
+ "Non-specific error", \
+ "Interface already exists", \
+ "Interface not found", \
+ "Interface is still connected", \
+ "Out of memory", \
+ "Could not map domain memory" }
+
+/*
+ * CMSG_NETIF_BE_CREATE:
+ * When the driver sends a successful response then the interface is fully
+ * created. The controller will send a DOWN notification to the front-end
+ * driver.
+ */
+typedef struct {
+ /* IN */
+ domid_t domid; /* 0: Domain attached to new interface. */
+ u32 netif_handle; /* 4: Domain-specific interface handle. */
+ u8 mac[6]; /* 8 */
+ u16 __pad; /* 14 */
+ /* OUT */
+ u32 status; /* 16 */
+} PACKED netif_be_create_t; /* 20 bytes */
+
+/*
+ * CMSG_NETIF_BE_DESTROY:
+ * When the driver sends a successful response then the interface is fully
+ * torn down. The controller will send a DESTROYED notification to the
+ * front-end driver.
+ */
+typedef struct {
+ /* IN */
+ domid_t domid; /* 0: Identify interface to be destroyed. */
+ u32 netif_handle; /* 4: ...ditto... */
+ /* OUT */
+ u32 status; /* 8 */
+} PACKED netif_be_destroy_t; /* 12 bytes */
+
+/*
+ * CMSG_NETIF_BE_CONNECT:
+ * When the driver sends a successful response then the interface is fully
+ * connected. The controller will send a CONNECTED notification to the
+ * front-end driver.
+ */
+typedef struct {
+ /* IN */
+ domid_t domid; /* 0: Domain attached to new interface. */
+ u32 netif_handle; /* 4: Domain-specific interface handle. */
+ memory_t tx_shmem_frame; /* 8: Page cont. tx shared comms window. */
+ MEMORY_PADDING;
+ memory_t rx_shmem_frame; /* 16: Page cont. rx shared comms window. */
+ MEMORY_PADDING;
+ u16 evtchn; /* 24: Event channel for notifications. */
+ u16 __pad; /* 26 */
+ /* OUT */
+ u32 status; /* 28 */
+} PACKED netif_be_connect_t; /* 32 bytes */
+
+/*
+ * CMSG_NETIF_BE_DISCONNECT:
+ * When the driver sends a successful response then the interface is fully
+ * disconnected. The controller will send a DOWN notification to the front-end
+ * driver.
+ */
+typedef struct {
+ /* IN */
+ domid_t domid; /* 0: Domain attached to new interface. */
+ u32 netif_handle; /* 4: Domain-specific interface handle. */
+ /* OUT */
+ u32 status; /* 8 */
+} PACKED netif_be_disconnect_t; /* 12 bytes */
+
+/*
+ * CMSG_NETIF_BE_DRIVER_STATUS_CHANGED:
+ * Notify the domain controller that the back-end driver is DOWN or UP.
+ * If the driver goes DOWN while interfaces are still UP, the domain
+ * will automatically send DOWN notifications.
+ */
+typedef struct {
+ u32 status; /* 0: NETIF_DRIVER_STATUS_??? */
+} PACKED netif_be_driver_status_changed_t; /* 4 bytes */
+
+
+/******************************************************************************
+ * SHUTDOWN DEFINITIONS
+ */
+
+/*
+ * Subtypes for shutdown messages.
+ */
+#define CMSG_SHUTDOWN_POWEROFF 0 /* Clean shutdown (SHUTDOWN_poweroff). */
+#define CMSG_SHUTDOWN_REBOOT 1 /* Clean shutdown (SHUTDOWN_reboot). */
+#define CMSG_SHUTDOWN_SUSPEND 2 /* Create suspend info, then */
+ /* SHUTDOWN_suspend. */
+
+#endif /* __DOMAIN_CONTROLLER_H__ */
--- /dev/null
+/******************************************************************************
+ * netif.h
+ *
+ * Unified network-device I/O interface for Xen guest OSes.
+ *
+ * Copyright (c) 2003-2004, Keir Fraser
+ */
+
+#ifndef __SHARED_NETIF_H__
+#define __SHARED_NETIF_H__
+
+typedef struct {
+ memory_t addr; /* 0: Machine address of packet. */
+ MEMORY_PADDING;
+ u16 id; /* 8: Echoed in response message. */
+ u16 size; /* 10: Packet size in bytes. */
+} PACKED netif_tx_request_t; /* 12 bytes */
+
+typedef struct {
+ u16 id; /* 0 */
+ s8 status; /* 2 */
+ u8 __pad; /* 3 */
+} PACKED netif_tx_response_t; /* 4 bytes */
+
+typedef struct {
+ u16 id; /* 0: Echoed in response message. */
+} PACKED netif_rx_request_t; /* 2 bytes */
+
+typedef struct {
+ memory_t addr; /* 0: Machine address of packet. */
+ MEMORY_PADDING;
+ u16 id; /* 8: */
+ s16 status; /* 10: -ve: BLKIF_RSP_* ; +ve: Rx'ed pkt size. */
+} PACKED netif_rx_response_t; /* 12 bytes */
+
+/*
+ * We use a special capitalised type name because it is _essential_ that all
+ * arithmetic on indexes is done on an integer type of the correct size.
+ */
+typedef u32 NETIF_RING_IDX;
+
+/*
+ * Ring indexes are 'free running'. That is, they are not stored modulo the
+ * size of the ring buffer. The following macros convert a free-running counter
+ * into a value that can directly index a ring-buffer array.
+ */
+#define MASK_NETIF_RX_IDX(_i) ((_i)&(NETIF_RX_RING_SIZE-1))
+#define MASK_NETIF_TX_IDX(_i) ((_i)&(NETIF_TX_RING_SIZE-1))
+
+#define NETIF_TX_RING_SIZE 256
+#define NETIF_RX_RING_SIZE 256
+
+/* This structure must fit in a memory page. */
+typedef struct {
+ /*
+ * Frontend places packets into ring at tx_req_prod.
+ * Frontend receives event when tx_resp_prod passes tx_event.
+ */
+ NETIF_RING_IDX req_prod; /* 0 */
+ NETIF_RING_IDX resp_prod; /* 4 */
+ NETIF_RING_IDX event; /* 8 */
+ union { /* 12 */
+ netif_tx_request_t req;
+ netif_tx_response_t resp;
+ } PACKED ring[NETIF_TX_RING_SIZE];
+} PACKED netif_tx_interface_t;
+
+/* This structure must fit in a memory page. */
+typedef struct {
+ /*
+ * Frontend places empty buffers into ring at rx_req_prod.
+ * Frontend receives event when rx_resp_prod passes rx_event.
+ */
+ NETIF_RING_IDX req_prod; /* 0 */
+ NETIF_RING_IDX resp_prod; /* 4 */
+ NETIF_RING_IDX event; /* 8 */
+ union { /* 12 */
+ netif_rx_request_t req;
+ netif_rx_response_t resp;
+ } PACKED ring[NETIF_RX_RING_SIZE];
+} PACKED netif_rx_interface_t;
+
+/* Descriptor status values */
+#define NETIF_RSP_DROPPED -2
+#define NETIF_RSP_ERROR -1
+#define NETIF_RSP_OKAY 0
+
+#endif
projects / xen.git / commitdiff