From 2b1c361bee7ecb1dc6d68b8ddadbaaf85f03587f Mon Sep 17 00:00:00 2001 From: "kaf24@labyrinth.cl.cam.ac.uk" Date: Mon, 24 Feb 2003 17:56:39 +0000 Subject: bitkeeper revision 1.96 (3e5a5cd7-6YCRyx9vceH0j_ljuOe-Q) hypervisor-ifs: new file Many files: Allow forced killing of domains with 'kill_domain -f'. task_structs now reference counted. .del-network.h~823d28e86ebe9d9b: Delete: xenolinux-2.4.21-pre4-sparse/include/asm-xeno/hypervisor-ifs/network.h .del-hypervisor-if.h~d1f6a7dd4307ddfe: Delete: xenolinux-2.4.21-pre4-sparse/include/asm-xeno/hypervisor-ifs/hypervisor-if.h .del-block.h~81aa08f4e2012da6: Delete: xenolinux-2.4.21-pre4-sparse/include/asm-xeno/hypervisor-ifs/block.h --- .../arch/xeno/drivers/dom0/dom0_ops.h | 1 + .../include/asm-xeno/hypervisor-ifs/block.h | 78 -------- .../asm-xeno/hypervisor-ifs/hypervisor-if.h | 209 --------------------- .../include/asm-xeno/hypervisor-ifs/network.h | 131 ------------- 4 files changed, 1 insertion(+), 418 deletions(-) delete mode 100644 xenolinux-2.4.21-pre4-sparse/include/asm-xeno/hypervisor-ifs/block.h delete mode 100644 xenolinux-2.4.21-pre4-sparse/include/asm-xeno/hypervisor-ifs/hypervisor-if.h delete mode 100644 xenolinux-2.4.21-pre4-sparse/include/asm-xeno/hypervisor-ifs/network.h (limited to 'xenolinux-2.4.21-pre4-sparse') diff --git a/xenolinux-2.4.21-pre4-sparse/arch/xeno/drivers/dom0/dom0_ops.h b/xenolinux-2.4.21-pre4-sparse/arch/xeno/drivers/dom0/dom0_ops.h index d98ce1b1eb..6c60a93ff6 100644 --- a/xenolinux-2.4.21-pre4-sparse/arch/xeno/drivers/dom0/dom0_ops.h +++ b/xenolinux-2.4.21-pre4-sparse/arch/xeno/drivers/dom0/dom0_ops.h @@ -27,6 +27,7 @@ typedef struct dom0_newdomain_st typedef struct dom0_killdomain_st { unsigned int domain; + int force; } dom0_killdomain_t; typedef struct dom0_getmemlist_st diff --git a/xenolinux-2.4.21-pre4-sparse/include/asm-xeno/hypervisor-ifs/block.h b/xenolinux-2.4.21-pre4-sparse/include/asm-xeno/hypervisor-ifs/block.h deleted file mode 100644 index 627055bf0b..0000000000 --- a/xenolinux-2.4.21-pre4-sparse/include/asm-xeno/hypervisor-ifs/block.h +++ /dev/null @@ -1,78 +0,0 @@ -/****************************************************************************** - * block.h - * - * Block IO communication rings. - * - * These are the ring data structures for buffering messages between - * the hypervisor and guestos's. - * - */ - -#ifndef __BLOCK_H__ -#define __BLOCK_H__ - -#include - -/* the first four definitions match fs.h */ -#define XEN_BLOCK_READ 0 -#define XEN_BLOCK_WRITE 1 -#define XEN_BLOCK_READA 2 /* currently unused */ -#define XEN_BLOCK_SPECIAL 4 /* currently unused */ -#define XEN_BLOCK_PROBE 8 /* determine io configuration from hypervisor */ -#define XEN_BLOCK_DEBUG 16 /* debug */ - -#define BLK_RING_SIZE 128 -#define BLK_RING_MAX_ENTRIES (BLK_RING_SIZE - 2) -#define BLK_RING_INC(_i) (((_i)+1) & (BLK_RING_SIZE-1)) -#define BLK_RING_ADD(_i,_j) (((_i)+(_j)) & (BLK_RING_SIZE-1)) - -typedef struct blk_ring_req_entry -{ - void * id; /* for guest os use */ - int operation; /* XEN_BLOCK_READ or XEN_BLOCK_WRITE */ - char * buffer; - unsigned long block_number; /* block number */ - unsigned short block_size; /* block size */ - kdev_t device; - unsigned long sector_number; /* real buffer location on disk */ -} blk_ring_req_entry_t; - -typedef struct blk_ring_resp_entry -{ - void *id; - unsigned long status; -} blk_ring_resp_entry_t; - -typedef struct blk_ring_st -{ - unsigned int req_prod; /* Request producer. Updated by guest OS. */ - unsigned int resp_prod; /* Response producer. Updated by Xen. */ - union { - blk_ring_req_entry_t req; - blk_ring_resp_entry_t resp; - } ring[BLK_RING_SIZE]; -} blk_ring_t; - -#define MAX_XEN_DISK_COUNT 100 - -#define XEN_DISK_IDE 1 -#define XEN_DISK_SCSI 2 - -typedef struct xen_disk /* physical disk */ -{ - int type; /* disk type */ - unsigned long capacity; - unsigned char heads; /* hdreg.h::hd_geometry */ - unsigned char sectors; /* hdreg.h::hd_geometry */ - unsigned int cylinders; /* hdreg.h::hd_big_geometry */ - unsigned long start; /* hdreg.h::hd_geometry */ - void * gendisk; /* struct gendisk ptr */ -} xen_disk_t; - -typedef struct xen_disk_info -{ - int count; /* number of subsequent xen_disk_t structures to follow */ - xen_disk_t disks[100]; -} xen_disk_info_t; - -#endif diff --git a/xenolinux-2.4.21-pre4-sparse/include/asm-xeno/hypervisor-ifs/hypervisor-if.h b/xenolinux-2.4.21-pre4-sparse/include/asm-xeno/hypervisor-ifs/hypervisor-if.h deleted file mode 100644 index 6ecac5848e..0000000000 --- a/xenolinux-2.4.21-pre4-sparse/include/asm-xeno/hypervisor-ifs/hypervisor-if.h +++ /dev/null @@ -1,209 +0,0 @@ -/****************************************************************************** - * hypervisor-if.h - * - * Interface to Xeno hypervisor. - */ - -#include "network.h" -#include "block.h" - -#ifndef __HYPERVISOR_IF_H__ -#define __HYPERVISOR_IF_H__ - -/* - * Virtual addresses beyond this are not modifiable by guest OSes. - * The machine->physical mapping table starts at this address, read-only - * to all domains except DOM0. - */ -#define HYPERVISOR_VIRT_START (0xFC000000UL) -#ifndef machine_to_phys_mapping -#define machine_to_phys_mapping ((unsigned long *)HYPERVISOR_VIRT_START) -#endif - -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 -{ -/* - * PGREQ_XXX: specified in least-significant bits of 'ptr' field. - * All requests specify relevent PTE or PT address in 'ptr'. - * Normal requests specify update value in 'value'. - * Extended requests specify command in least 8 bits of 'value'. - */ -/* A normal page-table update request. */ -#define PGREQ_NORMAL 0 -/* Update an entry in the machine->physical mapping table. */ -#define PGREQ_MPT_UPDATE 1 -/* An extended command. */ -#define PGREQ_EXTENDED_COMMAND 2 -/* DOM0 can make entirely unchecked updates which do not affect refcnts. */ -#define PGREQ_UNCHECKED_UPDATE 3 - unsigned long ptr, val; /* *ptr = val */ -/* Announce a new top-level page table. */ -#define PGEXT_PIN_L1_TABLE 0 -#define PGEXT_PIN_L2_TABLE 1 -#define PGEXT_PIN_L3_TABLE 2 -#define PGEXT_PIN_L4_TABLE 3 -#define PGEXT_UNPIN_TABLE 4 -#define PGEXT_NEW_BASEPTR 5 -#define PGEXT_TLB_FLUSH 6 -#define PGEXT_INVLPG 7 -#define PGEXT_CMD_MASK 255 -#define PGEXT_CMD_SHIFT 8 -} page_update_request_t; - - -/* - * Segment descriptor tables. - */ -/* 8 entries, plus a TSS entry for each CPU (up to 32 CPUs). */ -#define FIRST_DOMAIN_GDT_ENTRY 40 -/* These are flat segments for domain bootstrap and fallback. */ -#define FLAT_RING1_CS 0x11 -#define FLAT_RING1_DS 0x19 -#define FLAT_RING3_CS 0x23 -#define FLAT_RING3_DS 0x2b - - -/* 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_gdt 3 -#define __HYPERVISOR_stack_and_ldt_switch 4 -#define __HYPERVISOR_net_update 5 -#define __HYPERVISOR_fpu_taskswitch 6 -#define __HYPERVISOR_sched_op 7 -#define __HYPERVISOR_exit 8 -#define __HYPERVISOR_dom0_op 9 -#define __HYPERVISOR_network_op 10 -#define __HYPERVISOR_block_io_op 11 -#define __HYPERVISOR_set_debugreg 12 -#define __HYPERVISOR_get_debugreg 13 -#define __HYPERVISOR_update_descriptor 14 -#define __HYPERVISOR_set_fast_trap 15 - -#define TRAP_INSTR "int $0x82" - - -/* Event message note: - * - * Here, as in the interrupts to the guestos, additional network interfaces - * are defined. These definitions server as placeholders for the event bits, - * however, in the code these events will allways be referred to as shifted - * offsets from the base NET events. - */ - -/* Events that a guest OS may receive from the hypervisor. */ -#define EVENT_BLK_RESP 0x01 /* A block device response has been queued. */ -#define EVENT_TIMER 0x02 /* A timeout has been updated. */ -#define EVENT_DIE 0x04 /* OS is about to be killed. Clean up please! */ -#define EVENT_DEBUG 0x08 /* Request guest to dump debug info (gross!) */ -#define EVENT_NET_TX 0x10 /* There are packets for transmission. */ -#define EVENT_NET_RX 0x20 /* There are empty buffers for receive. */ - -/* Bit offsets, as opposed to the above masks. */ -#define _EVENT_BLK_RESP 0 -#define _EVENT_TIMER 1 -#define _EVENT_DIE 2 -#define _EVENT_NET_TX 3 -#define _EVENT_NET_RX 4 -#define _EVENT_DEBUG 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 -- this 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; - - /* - * Time: - * The following abstractions are exposed: System Time, Wall Clock - * Time, Domain Virtual Time. Domains can access Cycle counter time - * directly. - * XXX RN: Need something to pass NTP scaling to GuestOS. - */ - - u64 cpu_freq; /* to calculate ticks -> real time */ - - /* System Time */ - long long system_time; /* in ns */ - unsigned long st_timestamp; /* cyclecounter at last update */ - - /* Wall Clock Time */ - u32 wc_version; /* a version number for info below */ - long tv_sec; /* essentially a struct timeval */ - long tv_usec; - long long wc_timestamp; /* system time at last update */ - - /* Domain Virtual Time */ - unsigned long long domain_time; - - /* - * Timeout values: - * Allow a domain to specify a timeout value in system time and - * domain virtual time. - */ - unsigned long long wall_timeout; - unsigned long long domain_timeout; - -} 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; /* VIRTUAL address of shared info struct */ - unsigned long pt_base; /* VIRTUAL address of page directory */ - unsigned long mod_start; /* VIRTUAL address of pre-loaded module */ - unsigned long mod_len; /* size (bytes) of pre-loaded module */ - net_ring_t *net_rings; /* network rings (VIRTUAL ADDRESS) */ - int num_net_rings; - unsigned long blk_ring; /* block io ring (MACHINE ADDRESS) */ - 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__ */ diff --git a/xenolinux-2.4.21-pre4-sparse/include/asm-xeno/hypervisor-ifs/network.h b/xenolinux-2.4.21-pre4-sparse/include/asm-xeno/hypervisor-ifs/network.h deleted file mode 100644 index 28cb94618c..0000000000 --- a/xenolinux-2.4.21-pre4-sparse/include/asm-xeno/hypervisor-ifs/network.h +++ /dev/null @@ -1,131 +0,0 @@ -/****************************************************************************** - * 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 - -typedef struct tx_entry_st { - unsigned long addr; /* virtual address */ - unsigned long size; /* in bytes */ - int status; /* per descriptor status. */ -} tx_entry_t; - -typedef struct rx_entry_st { - unsigned long addr; /* virtual address */ - unsigned long size; /* in bytes */ - int status; /* per descriptor status. */ -} rx_entry_t; - -#define TX_RING_SIZE 256 -#define RX_RING_SIZE 256 -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; - - /* - * 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; -} 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_ANY 0 -#define NETWORK_PROTO_IP 1 -#define NETWORK_PROTO_TCP 2 -#define NETWORK_PROTO_UDP 3 -#define NETWORK_PROTO_ARP 4 - -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; - - int src_interface; - int dst_interface; - u16 action; -} net_rule_t; - -typedef struct vif_query_st -{ - unsigned int domain; - char *buf; // where to put the reply -- guest virtual address -} vif_query_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 -#define NETWORK_OP_VIFQUERY 3 - -typedef struct network_op_st -{ - unsigned long cmd; - union - { - net_rule_t net_rule; - vif_query_t vif_query; - } - 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); - - -/* Descriptor status values: - */ - -#define RING_STATUS_OK 0 // Everything is gravy. -#define RING_STATUS_ERR_CFU -1 // Copy from user problems. -#define RING_STATUS_BAD_PAGE -2 // What they gave us was pure evil. - -#endif -- cgit v1.2.3