diff options
Diffstat (limited to 'old/xenolinux-2.4.16-sparse/arch/xeno/drivers/dom0')
6 files changed, 0 insertions, 1118 deletions
diff --git a/old/xenolinux-2.4.16-sparse/arch/xeno/drivers/dom0/Makefile b/old/xenolinux-2.4.16-sparse/arch/xeno/drivers/dom0/Makefile deleted file mode 100644 index 4738fc0ba4..0000000000 --- a/old/xenolinux-2.4.16-sparse/arch/xeno/drivers/dom0/Makefile +++ /dev/null @@ -1,3 +0,0 @@ -O_TARGET := dom0.o -obj-y := dom0_memory.o dom0_core.o vfr.o -include $(TOPDIR)/Rules.make diff --git a/old/xenolinux-2.4.16-sparse/arch/xeno/drivers/dom0/dom0_block.c b/old/xenolinux-2.4.16-sparse/arch/xeno/drivers/dom0/dom0_block.c deleted file mode 100644 index 97d4a65b78..0000000000 --- a/old/xenolinux-2.4.16-sparse/arch/xeno/drivers/dom0/dom0_block.c +++ /dev/null @@ -1,27 +0,0 @@ -/* - * domain 0 block driver interface - * - */ - -#include <linux/config.h> -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/sched.h> - -static int __init init_module(void) -{ - request_module("xl_block"); - printk("Successfully installed domain 0 block interface\n"); - - - return 0; -} - -static void __exit cleanup_module(void) -{ - printk("Successfully de-installed domain-0 block interface\n"); - return 0; -} - -module_init(init_module); -module_exit(cleanup_module); diff --git a/old/xenolinux-2.4.16-sparse/arch/xeno/drivers/dom0/dom0_core.c b/old/xenolinux-2.4.16-sparse/arch/xeno/drivers/dom0/dom0_core.c deleted file mode 100644 index f8af85358b..0000000000 --- a/old/xenolinux-2.4.16-sparse/arch/xeno/drivers/dom0/dom0_core.c +++ /dev/null @@ -1,334 +0,0 @@ -/****************************************************************************** - * dom0_core.c - * - * Interface to privileged domain-0 commands. - * - * Copyright (c) 2002, K A Fraser, B Dragovic - */ - -#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/proc_fs.h> - -#include <linux/mm.h> -#include <linux/mman.h> -#include <linux/swap.h> -#include <linux/smp_lock.h> -#include <linux/swapctl.h> -#include <linux/iobuf.h> -#include <linux/highmem.h> -#include <linux/pagemap.h> - -#include <asm/pgalloc.h> -#include <asm/pgtable.h> -#include <asm/uaccess.h> -#include <asm/tlb.h> - -#include "dom0_ops.h" - -/* Private proc-file data structures. */ -typedef struct proc_data { - unsigned int domain; - unsigned long map_size; -} dom_procdata_t; - -typedef struct proc_mem_data { - unsigned long pfn; - int tot_pages; -} proc_memdata_t; - -#define XENO_BASE "xeno" -#define DOM0_CMD_INTF "dom0_cmd" -#define DOM0_NEWDOM "new_dom_data" - -#define MAX_LEN 16 -#define DOM_DIR "dom" -#define DOM_MEM "mem" -#define DOM_VIF "vif" - -#define MAP_DISCONT 1 - -static struct proc_dir_entry *xeno_base; -static struct proc_dir_entry *dom0_cmd_intf; -static struct proc_dir_entry *proc_ft; - -unsigned long direct_mmap(unsigned long, unsigned long, pgprot_t, int, int); -int direct_unmap(unsigned long, unsigned long); -int direct_disc_unmap(unsigned long, unsigned long, int); - -static unsigned char readbuf[1204]; - -static int cmd_read_proc(char *page, char **start, off_t off, - int count, int *eof, void *data) -{ - strcpy(page, readbuf); - *readbuf = '\0'; - *eof = 1; - *start = page; - return strlen(page); -} - -static ssize_t dom_vif_read(struct file * file, char * buff, size_t size, loff_t * off) -{ - char hyp_buf[128]; // Hypervisor is going to write its reply here. - network_op_t op; - static int finished = 0; - - // This seems to be the only way to make the OS stop making read requests - // to the file. When we use the fileoperations version of read, offset - // seems to be ignored altogether. - - if (finished) - { - finished = 0; - return 0; - } - - op.cmd = NETWORK_OP_VIFQUERY; - op.u.vif_query.domain = (unsigned int) ((struct proc_dir_entry *)file->f_dentry->d_inode->u.generic_ip)->data; - op.u.vif_query.buf = hyp_buf; - - strcpy(hyp_buf, "Error getting domain's vif list from hypervisor.\n"); // This will be replaced if everything works. - - (void)HYPERVISOR_network_op(&op); - - if (*off >= (strlen(hyp_buf)+1)) return 0; - - copy_to_user(buff, hyp_buf, strlen(hyp_buf)); - - finished = 1; - - return strlen(hyp_buf)+1; -} - -struct file_operations dom_vif_ops = { - read: dom_vif_read -}; - - -static void create_proc_dom_entries(int dom) -{ - struct proc_dir_entry * dir; - dom_procdata_t * dom_data; - char dir_name[MAX_LEN]; - struct proc_dir_entry * file; - - snprintf(dir_name, MAX_LEN, "%s%d", DOM_DIR, dom); - - dom_data = (dom_procdata_t *)kmalloc(sizeof(dom_procdata_t), GFP_KERNEL); - dom_data->domain = dom; - - dir = proc_mkdir(dir_name, xeno_base); - dir->data = dom_data; - - file = create_proc_entry(DOM_VIF, 0600, dir); - if (file != NULL) - { - file->owner = THIS_MODULE; - file->nlink = 1; - file->proc_fops = &dom_vif_ops; - file->data = (void *) dom; - } -} - -static ssize_t dom_mem_write(struct file * file, const char * buff, - size_t size , loff_t * off) -{ - dom_mem_t mem_data; - - copy_from_user(&mem_data, (dom_mem_t *)buff, sizeof(dom_mem_t)); - - if(direct_disc_unmap(mem_data.vaddr, mem_data.start_pfn, - mem_data.tot_pages) == 0){ - return sizeof(sizeof(dom_mem_t)); - } else { - return -1; - } -} - -static ssize_t dom_mem_read(struct file * file, char * buff, size_t size, loff_t * off) -{ - unsigned long addr; - pgprot_t prot; - - proc_memdata_t * mem_data = (proc_memdata_t *)((struct proc_dir_entry *)file->f_dentry->d_inode->u.generic_ip)->data; - - prot = PAGE_SHARED; - - /* remap the range using xen specific routines */ - - addr = direct_mmap(mem_data->pfn << PAGE_SHIFT, mem_data->tot_pages << PAGE_SHIFT, prot, MAP_DISCONT, mem_data->tot_pages); - - copy_to_user((unsigned long *)buff, &addr, sizeof(addr)); - - return sizeof(addr); -} - -struct file_operations dom_mem_ops = { - read: dom_mem_read, - write: dom_mem_write, -}; - -static int dom_map_mem(unsigned int dom, unsigned long pfn, int tot_pages) -{ - int ret = -ENOENT; - struct proc_dir_entry * pd = xeno_base->subdir; - struct proc_dir_entry * file; - proc_memdata_t * memdata; - - while(pd != NULL){ - - if((pd->mode & S_IFDIR) && ((dom_procdata_t *)pd->data)->domain == dom){ - - /* check if there is already an entry for mem and if so - * remove it. - */ - remove_proc_entry(DOM_MEM, pd); - - /* create new entry with parameters describing what to do - * when it is mmaped. - */ - file = create_proc_entry(DOM_MEM, 0600, pd); - if(file != NULL) - { - file->owner = THIS_MODULE; - file->nlink = 1; - file->proc_fops = &dom_mem_ops; - - memdata = (proc_memdata_t *)kmalloc(sizeof(proc_memdata_t), GFP_KERNEL); - memdata->pfn = pfn; - memdata->tot_pages = tot_pages; - file->data = memdata; - - ret = 0; - break; - } - - ret = -EAGAIN; - break; - } - pd = pd->next; - } - - return ret; -} - -/* function used to retrieve data associated with new domain */ -static ssize_t dom_data_read(struct file * file, char * buff, size_t size, loff_t * off) -{ - dom0_newdomain_t * dom_data = (dom0_newdomain_t *) - ((struct proc_dir_entry *)file->f_dentry->d_inode->u.generic_ip)->data; - - copy_to_user((dom0_newdomain_t *)buff, dom_data, sizeof(dom0_newdomain_t)); - - remove_proc_entry(DOM0_NEWDOM, xeno_base); - - kfree(dom_data); - - return sizeof(dom0_newdomain_t); -} - -struct file_operations newdom_data_fops = { - read: dom_data_read, -}; - -static int cmd_write_proc(struct file *file, const char *buffer, - u_long count, void *data) -{ - dom0_op_t op; - int ret = 0; - struct proc_dir_entry * new_dom_id; - dom0_newdomain_t * params; - int i; - unsigned long p; - - copy_from_user(&op, buffer, sizeof(dom0_op_t)); - - /* do some sanity checks */ - if(op.cmd > MAX_CMD){ - ret = -ENOSYS; - goto out; - } - - if ( op.cmd == MAP_DOM_MEM ) - { - ret = dom_map_mem(op.u.dommem.domain, op.u.dommem.start_pfn, - op.u.dommem.tot_pages); - } - else if ( op.cmd == DO_PGUPDATES ) - { - ret = HYPERVISOR_pt_update(op.u.pgupdate.pgt_update_arr, - op.u.pgupdate.num_pgt_updates); - } - else - { - ret = HYPERVISOR_dom0_op(&op); - - /* if new domain created, create proc entries */ - if(op.cmd == DOM0_NEWDOMAIN){ - create_proc_dom_entries(ret); - - params = (dom0_newdomain_t *)kmalloc(sizeof(dom0_newdomain_t), - GFP_KERNEL); - params->memory_kb = op.u.newdomain.memory_kb; - params->pg_head = op.u.newdomain.pg_head; - params->num_vifs = op.u.newdomain.num_vifs; - params->domain = op.u.newdomain.domain; - - /* now notify user space of the new domain's id */ - new_dom_id = create_proc_entry(DOM0_NEWDOM, 0600, xeno_base); - if ( new_dom_id != NULL ) - { - new_dom_id->owner = THIS_MODULE; - new_dom_id->nlink = 1; - new_dom_id->proc_fops = &newdom_data_fops; - new_dom_id->data = (void *)params; - } - - } - - } - -out: - return ret; - -} - -static int __init init_module(void) -{ - /* xeno proc root setup */ - xeno_base = proc_mkdir(XENO_BASE, &proc_root); - - /* xeno control interface */ - *readbuf = '\0'; - dom0_cmd_intf = create_proc_entry (DOM0_CMD_INTF, 0600, xeno_base); - if ( dom0_cmd_intf != NULL ) - { - dom0_cmd_intf->owner = THIS_MODULE; - dom0_cmd_intf->nlink = 1; - dom0_cmd_intf->read_proc = cmd_read_proc; - dom0_cmd_intf->write_proc = cmd_write_proc; - } - - /* set up /proc entries for dom 0 */ - create_proc_dom_entries(0); - - return 0; -} - - -static void __exit cleanup_module(void) -{ - if ( dom0_cmd_intf == NULL ) return; - remove_proc_entry("dom0", &proc_root); - dom0_cmd_intf = NULL; -} - - -module_init(init_module); -module_exit(cleanup_module); diff --git a/old/xenolinux-2.4.16-sparse/arch/xeno/drivers/dom0/dom0_memory.c b/old/xenolinux-2.4.16-sparse/arch/xeno/drivers/dom0/dom0_memory.c deleted file mode 100644 index 9d14070a1e..0000000000 --- a/old/xenolinux-2.4.16-sparse/arch/xeno/drivers/dom0/dom0_memory.c +++ /dev/null @@ -1,368 +0,0 @@ -#include <linux/slab.h> -#include <linux/mm.h> -#include <linux/mman.h> -#include <linux/swap.h> -#include <linux/smp_lock.h> -#include <linux/swapctl.h> -#include <linux/iobuf.h> -#include <linux/highmem.h> -#include <linux/pagemap.h> -#include <linux/list.h> - -#include <asm/pgalloc.h> -#include <asm/uaccess.h> -#include <asm/tlb.h> -#include <asm/mmu.h> - -#include "dom0_ops.h" - -#define MAP_CONT 0 -#define MAP_DISCONT 1 - -extern struct list_head * find_direct(struct list_head *, unsigned long); - -/* - * bd240: functions below perform direct mapping to the real physical pages - * needed for mapping various hypervisor specific structures needed in dom0 - * userspace by various management applications such as domain builder etc. - */ - -#define direct_set_pte(pteptr, pteval) queue_l1_entry_update(__pa(pteptr)|PGREQ_UNCHECKED_UPDATE, (pteval).pte_low) - -#define direct_pte_clear(pteptr) queue_l1_entry_update(__pa(pteptr)|PGREQ_UNCHECKED_UPDATE, 0) - -#define __direct_pte(x) ((pte_t) { (x) } ) -#define __direct_mk_pte(page_nr,pgprot) __direct_pte(((page_nr) << PAGE_SHIFT) | pgprot_val(pgprot)) -#define direct_mk_pte_phys(physpage, pgprot) __direct_mk_pte((physpage) >> PAGE_SHIFT, pgprot) - -static inline void forget_pte(pte_t page) -{ - if (!pte_none(page)) { - printk("forget_pte: old mapping existed!\n"); - BUG(); - } -} - -static inline void direct_remappte_range(pte_t * pte, unsigned long address, unsigned long size, - unsigned long phys_addr, pgprot_t prot) -{ - unsigned long end; - - address &= ~PMD_MASK; - end = address + size; - if (end > PMD_SIZE) - end = PMD_SIZE; - do { - pte_t oldpage; - oldpage = ptep_get_and_clear(pte); - - direct_set_pte(pte, direct_mk_pte_phys(phys_addr, prot)); - - forget_pte(oldpage); - address += PAGE_SIZE; - phys_addr += PAGE_SIZE; - pte++; - } while (address && (address < end)); - -} - -static inline int direct_remappmd_range(struct mm_struct *mm, pmd_t * pmd, unsigned long address, unsigned long size, - unsigned long phys_addr, pgprot_t prot) -{ - unsigned long end; - - address &= ~PGDIR_MASK; - end = address + size; - if (end > PGDIR_SIZE) - end = PGDIR_SIZE; - phys_addr -= address; - do { - pte_t * pte = pte_alloc(mm, pmd, address); - if (!pte) - return -ENOMEM; - direct_remappte_range(pte, address, end - address, address + phys_addr, prot); - address = (address + PMD_SIZE) & PMD_MASK; - pmd++; - } while (address && (address < end)); - return 0; -} - -/* Note: this is only safe if the mm semaphore is held when called. */ -int direct_remap_page_range(unsigned long from, unsigned long phys_addr, unsigned long size, pgprot_t prot) -{ - int error = 0; - pgd_t * dir; - unsigned long beg = from; - unsigned long end = from + size; - struct mm_struct *mm = current->mm; - - phys_addr -= from; - dir = pgd_offset(mm, from); - flush_cache_range(mm, beg, end); - if (from >= end) - BUG(); - - spin_lock(&mm->page_table_lock); - do { - pmd_t *pmd = pmd_alloc(mm, dir, from); - error = -ENOMEM; - if (!pmd) - break; - error = direct_remappmd_range(mm, pmd, from, end - from, phys_addr + from, prot); - if (error) - break; - from = (from + PGDIR_SIZE) & PGDIR_MASK; - dir++; - } while (from && (from < end)); - spin_unlock(&mm->page_table_lock); - flush_tlb_range(mm, beg, end); - return error; -} - -/* - * used for remapping discontiguous bits of domain's memory, pages to map are - * found from frame table beginning at the given first_pg index - */ -int direct_remap_disc_page_range(unsigned long from, - unsigned long first_pg, int tot_pages, pgprot_t prot) -{ - dom0_op_t dom0_op; - unsigned long *pfns = get_free_page(GFP_KERNEL); - unsigned long start = from; - int pages, i; - - while ( tot_pages != 0 ) - { - dom0_op.cmd = DOM0_GETMEMLIST; - dom0_op.u.getmemlist.start_pfn = first_pg; - pages = 1023; - dom0_op.u.getmemlist.num_pfns = 1024; - if ( tot_pages < 1024 ) - dom0_op.u.getmemlist.num_pfns = pages = tot_pages; - dom0_op.u.getmemlist.buffer = pfns; - (void)HYPERVISOR_dom0_op(&dom0_op); - first_pg = pfns[1023]; - - for ( i = 0; i < pages; i++ ) - { - if(direct_remap_page_range(start, pfns[i] << PAGE_SHIFT, - PAGE_SIZE, prot)) - goto out; - start += PAGE_SIZE; - tot_pages--; - } - } - -out: - free_page(pfns); - return tot_pages; -} - -/* below functions replace standard sys_mmap and sys_munmap which are absolutely useless - * for direct memory mapping. direct_zap* functions are minor ammendments to the - * original versions in mm/memory.c. the changes are to enable unmapping of real physical - * addresses. - */ - -unsigned long direct_mmap(unsigned long phys_addr, unsigned long size, - pgprot_t prot, int flag, int tot_pages) -{ - direct_mmap_node_t * dmmap; - struct list_head * entry; - unsigned long addr; - int ret = 0; - - if(!capable(CAP_SYS_ADMIN)){ - ret = -EPERM; - goto out; - } - - /* get unmapped area invokes xen specific arch_get_unmapped_area */ - addr = get_unmapped_area(NULL, 0, size, 0, 0); - if(addr & ~PAGE_MASK){ - ret = -ENOMEM; - goto out; - } - - /* add node on the list of directly mapped areas, make sure the - * list remains sorted. - */ - dmmap = (direct_mmap_node_t *)kmalloc(sizeof(direct_mmap_node_t), GFP_KERNEL); - dmmap->vm_start = addr; - dmmap->vm_end = addr + size; - entry = find_direct(¤t->mm->context.direct_list, addr); - if(entry != ¤t->mm->context.direct_list){ - list_add_tail(&dmmap->list, entry); - } else { - list_add_tail(&dmmap->list, ¤t->mm->context.direct_list); - } - - /* and perform the mapping */ - if(flag == MAP_DISCONT){ - ret = direct_remap_disc_page_range(addr, phys_addr >> PAGE_SHIFT, - tot_pages, prot); - } else { - ret = direct_remap_page_range(addr, phys_addr, size, prot); - } - - if(ret == 0) - ret = addr; - -out: - return ret; -} - -/* most of the checks, refcnt updates, cache stuff have been thrown out as they are not - * needed - */ -static inline int direct_zap_pte_range(mmu_gather_t *tlb, pmd_t * pmd, unsigned long address, - unsigned long size) -{ - unsigned long offset; - pte_t * ptep; - int freed = 0; - - if (pmd_none(*pmd)) - return 0; - if (pmd_bad(*pmd)) { - pmd_ERROR(*pmd); - pmd_clear(pmd); - return 0; - } - ptep = pte_offset(pmd, address); - offset = address & ~PMD_MASK; - if (offset + size > PMD_SIZE) - size = PMD_SIZE - offset; - size &= PAGE_MASK; - for (offset=0; offset < size; ptep++, offset += PAGE_SIZE) { - pte_t pte = *ptep; - if (pte_none(pte)) - continue; - freed ++; - direct_pte_clear(ptep); - } - - return freed; -} - -static inline int direct_zap_pmd_range(mmu_gather_t *tlb, pgd_t * dir, - unsigned long address, unsigned long size) -{ - pmd_t * pmd; - unsigned long end; - int freed; - - if (pgd_none(*dir)) - return 0; - if (pgd_bad(*dir)) { - pgd_ERROR(*dir); - pgd_clear(dir); - return 0; - } - pmd = pmd_offset(dir, address); - end = address + size; - if (end > ((address + PGDIR_SIZE) & PGDIR_MASK)) - end = ((address + PGDIR_SIZE) & PGDIR_MASK); - freed = 0; - do { - freed += direct_zap_pte_range(tlb, pmd, address, end - address); - address = (address + PMD_SIZE) & PMD_MASK; - pmd++; - } while (address < end); - return freed; -} - -/* - * remove user pages in a given range. - */ -void direct_zap_page_range(struct mm_struct *mm, unsigned long address, unsigned long size) -{ - mmu_gather_t *tlb; - pgd_t * dir; - unsigned long start = address, end = address + size; - int freed = 0; - - dir = pgd_offset(mm, address); - - /* - * This is a long-lived spinlock. That's fine. - * There's no contention, because the page table - * lock only protects against kswapd anyway, and - * even if kswapd happened to be looking at this - * process we _want_ it to get stuck. - */ - if (address >= end) - BUG(); - spin_lock(&mm->page_table_lock); - flush_cache_range(mm, address, end); - tlb = tlb_gather_mmu(mm); - - do { - freed += direct_zap_pmd_range(tlb, dir, address, end - address); - address = (address + PGDIR_SIZE) & PGDIR_MASK; - dir++; - } while (address && (address < end)); - - /* this will flush any remaining tlb entries */ - tlb_finish_mmu(tlb, start, end); - - /* decrementing rss removed */ - - spin_unlock(&mm->page_table_lock); -} - -int direct_unmap(unsigned long addr, unsigned long size) -{ - direct_mmap_node_t * node; - struct list_head * curr; - struct list_head * direct_list = ¤t->mm->context.direct_list; - - curr = direct_list->next; - while(curr != direct_list){ - node = list_entry(curr, direct_mmap_node_t, list); - if(node->vm_start == addr) - break; - curr = curr->next; - } - - if(curr == direct_list) - return -1; - - list_del(&node->list); - kfree(node); - - direct_zap_page_range(current->mm, addr, size); - - return 0; -} - -int direct_disc_unmap(unsigned long from, unsigned long first_pg, int tot_pages) -{ - int count = 0; - direct_mmap_node_t * node; - struct list_head * curr; - struct list_head * direct_list = ¤t->mm->context.direct_list; - - curr = direct_list->next; - while(curr != direct_list){ - node = list_entry(curr, direct_mmap_node_t, list); - - if(node->vm_start == from) - break; - curr = curr->next; - } - - if(curr == direct_list) - return -1; - - list_del(&node->list); - kfree(node); - - while(count < tot_pages){ - direct_zap_page_range(current->mm, from, PAGE_SIZE); - from += PAGE_SIZE; - count++; - } - - return 0; -} diff --git a/old/xenolinux-2.4.16-sparse/arch/xeno/drivers/dom0/dom0_ops.h b/old/xenolinux-2.4.16-sparse/arch/xeno/drivers/dom0/dom0_ops.h deleted file mode 100644 index d98ce1b1eb..0000000000 --- a/old/xenolinux-2.4.16-sparse/arch/xeno/drivers/dom0/dom0_ops.h +++ /dev/null @@ -1,80 +0,0 @@ -/****************************************************************************** - * dom0_ops.h - * - * Process command requests from domain-0 guest OS. - * - * Copyright (c) 2002, K A Fraser, B Dragovic - */ - -#define DOM0_NEWDOMAIN 0 -#define DOM0_KILLDOMAIN 1 -#define DOM0_GETMEMLIST 2 -#define DOM0_STARTDOM 4 -#define MAP_DOM_MEM 6 /* Not passed down to Xen */ -#define DO_PGUPDATES 7 /* Not passed down to Xen */ -#define MAX_CMD 8 - -#define MAX_CMD_LEN 256 - -typedef struct dom0_newdomain_st -{ - unsigned int domain; - unsigned int memory_kb; - unsigned int num_vifs; // temporary - unsigned long pg_head; // return parameter -} dom0_newdomain_t; - -typedef struct dom0_killdomain_st -{ - unsigned int domain; -} dom0_killdomain_t; - -typedef struct dom0_getmemlist_st -{ - unsigned long start_pfn; - unsigned long num_pfns; - void *buffer; -} dom0_getmemlist_t; - -/* This is entirely processed by XenoLinux */ -typedef struct dom_mem -{ - unsigned int domain; - unsigned long vaddr; - unsigned long start_pfn; - int tot_pages; -} dom_mem_t; - -/* This is entirely processed by XenoLinux */ -typedef struct dom_pgupdate -{ - unsigned long pgt_update_arr; - unsigned long num_pgt_updates; -} dom_pgupdate_t; - -typedef struct domain_launch -{ - unsigned int domain; - unsigned long l2_pgt_addr; - unsigned long virt_load_addr; - unsigned long virt_shinfo_addr; - unsigned long virt_startinfo_addr; - unsigned int num_vifs; - char cmd_line[MAX_CMD_LEN]; -} dom_meminfo_t; - -typedef struct dom0_op_st -{ - unsigned long cmd; - union - { - dom0_newdomain_t newdomain; - dom0_killdomain_t killdomain; - dom0_getmemlist_t getmemlist; - dom_mem_t dommem; - dom_pgupdate_t pgupdate; - dom_meminfo_t meminfo; - } - u; -} dom0_op_t; - diff --git a/old/xenolinux-2.4.16-sparse/arch/xeno/drivers/dom0/vfr.c b/old/xenolinux-2.4.16-sparse/arch/xeno/drivers/dom0/vfr.c deleted file mode 100644 index 13fe25ec9c..0000000000 --- a/old/xenolinux-2.4.16-sparse/arch/xeno/drivers/dom0/vfr.c +++ /dev/null @@ -1,306 +0,0 @@ -/****************************************************************************** - * vfr.c - * - * Interface to the virtual firewall/router. - * - */ - -#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/proc_fs.h> - -#include <asm/hypervisor-ifs/network.h> - -static struct proc_dir_entry *proc_vfr; - -static unsigned char readbuf[1024]; - -/* Helpers, implemented at the bottom. */ -u32 getipaddr(const char *buff, unsigned int len); -u16 antous(const char *buff, int len); -int anton(const char *buff, int len); - -static int vfr_read_proc(char *page, char **start, off_t off, - int count, int *eof, void *data) -{ - strcpy(page, readbuf); - *readbuf = '\0'; - *eof = 1; - *start = page; - return strlen(page); -} - -/* The format for the vfr interface is as follows: - * - * COMMAND <field>=<val> [<field>=<val> [...]] - * - * where: - * - * COMMAND = { ACCEPT | COUNT } - * - * field=val pairs are as follows: - * - * field = { srcaddr | dstaddr } - * val is a dot seperated, numeric IP address. - * - * field = { srcport | dstport } - * val is a (16-bit) unsigned int - * - * field = { proto } - * val = { IP | TCP | UDP | ARP } - * - */ - -#define isspace(_x) ( ((_x)==' ') || ((_x)=='\t') || ((_x)=='\v') || \ - ((_x)=='\f') || ((_x)=='\r') || ((_x)=='\n') ) - -static int vfr_write_proc(struct file *file, const char *buffer, - u_long count, void *data) -{ - network_op_t op; - int ret, len; - int ts, te, tl; // token start, end, and length - int fs, fe, fl; // field. - - len = count; - ts = te = 0; - - memset(&op, 0, sizeof(network_op_t)); - - // get the command: - while ( count && isspace(buffer[ts]) ) { ts++; count--; } // skip spaces. - te = ts; - while ( count && !isspace(buffer[te]) ) { te++; count--; } // command end - if ( te <= ts ) goto bad; - tl = te - ts; - - if ( strncmp(&buffer[ts], "ADD", tl) == 0 ) - { - op.cmd = NETWORK_OP_ADDRULE; - } - else if ( strncmp(&buffer[ts], "DELETE", tl) == 0 ) - { - op.cmd = NETWORK_OP_DELETERULE; - } - else if ( strncmp(&buffer[ts], "PRINT", tl) == 0 ) - { - op.cmd = NETWORK_OP_GETRULELIST; - goto doneparsing; - } - - ts = te; - - // get the action - while ( count && (buffer[ts] == ' ') ) { ts++; count--; } // skip spaces. - te = ts; - while ( count && (buffer[te] != ' ') ) { te++; count--; } // command end - if ( te <= ts ) goto bad; - tl = te - ts; - - if ( strncmp(&buffer[ts], "ACCEPT", tl) == 0 ) - { - op.u.net_rule.action = NETWORK_ACTION_ACCEPT; - goto keyval; - } - if ( strncmp(&buffer[ts], "COUNT", tl) == 0 ) - { - op.u.net_rule.action = NETWORK_ACTION_COUNT; - goto keyval; - } - - // default case; - return (len); - - - // get the key=val pairs. - keyval: - while (count) - { - //get field - ts = te; while ( count && isspace(buffer[ts]) ) { ts++; count--; } - te = ts; - while ( count && !isspace(buffer[te]) && (buffer[te] != '=') ) - { te++; count--; } - if ( te <= ts ) - goto doneparsing; - tl = te - ts; - fs = ts; fe = te; fl = tl; // save the field markers. - // skip " = " (ignores extra equals.) - while ( count && (isspace(buffer[te]) || (buffer[te] == '=')) ) - { te++; count--; } - ts = te; - while ( count && !isspace(buffer[te]) ) { te++; count--; } - tl = te - ts; - - if ( (fl <= 0) || (tl <= 0) ) goto bad; - - if (strncmp(&buffer[fs], "srcaddr", fl) == 0) - { - op.u.net_rule.src_addr = getipaddr(&buffer[ts], tl); - } - else if (strncmp(&buffer[fs], "dstaddr", fl) == 0) - { - op.u.net_rule.dst_addr = getipaddr(&buffer[ts], tl); - } - else if (strncmp(&buffer[fs], "srcaddrmask", fl) == 0) - { - op.u.net_rule.src_addr_mask = getipaddr(&buffer[ts], tl); - } - else if (strncmp(&buffer[fs], "dstaddrmask", fl) == 0) - { - op.u.net_rule.dst_addr_mask = getipaddr(&buffer[ts], tl); - } - else if (strncmp(&buffer[fs], "srcport", fl) == 0) - { - op.u.net_rule.src_port = antous(&buffer[ts], tl); - } - else if (strncmp(&buffer[fs], "dstport", fl) == 0) - { - op.u.net_rule.dst_port = antous(&buffer[ts], tl); - } - else if (strncmp(&buffer[fs], "srcportmask", fl) == 0) - { - op.u.net_rule.src_port_mask = antous(&buffer[ts], tl); - } - else if (strncmp(&buffer[fs], "dstportmask", fl) == 0) - { - op.u.net_rule.dst_port_mask = antous(&buffer[ts], tl); - } - else if (strncmp(&buffer[fs], "srcint", fl) == 0) - { - op.u.net_rule.src_interface = anton(&buffer[ts], tl); - } - else if (strncmp(&buffer[fs], "dstint", fl) == 0) - { - op.u.net_rule.dst_interface = anton(&buffer[ts], tl); - } - else if ( (strncmp(&buffer[fs], "proto", fl) == 0)) - { - if (strncmp(&buffer[ts], "any", tl) == 0) - op.u.net_rule.proto = NETWORK_PROTO_ANY; - if (strncmp(&buffer[ts], "ip", tl) == 0) - op.u.net_rule.proto = NETWORK_PROTO_IP; - if (strncmp(&buffer[ts], "tcp", tl) == 0) - op.u.net_rule.proto = NETWORK_PROTO_TCP; - if (strncmp(&buffer[ts], "udp", tl) == 0) - op.u.net_rule.proto = NETWORK_PROTO_UDP; - if (strncmp(&buffer[ts], "arp", tl) == 0) - op.u.net_rule.proto = NETWORK_PROTO_ARP; - - } - } - - doneparsing: - ret = HYPERVISOR_network_op(&op); - return(len); - - bad: - return(len); - - -} - -static int __init init_module(void) -{ - *readbuf = '\0'; - proc_vfr = create_proc_entry ("vfr", 0600, &proc_root); - if ( proc_vfr != NULL ) - { - proc_vfr->owner = THIS_MODULE; - proc_vfr->nlink = 1; - proc_vfr->read_proc = vfr_read_proc; - proc_vfr->write_proc = vfr_write_proc; - printk("Successfully installed virtual firewall/router interface\n"); - } - return 0; -} - -static void __exit cleanup_module(void) -{ - if ( proc_vfr == NULL ) return; - remove_proc_entry("vfr", &proc_root); - proc_vfr = NULL; -} - -module_init(init_module); -module_exit(cleanup_module); - -/* Helper functions start here: */ - -int anton(const char *buff, int len) -{ - int ret; - char c; - int sign = 1; - - ret = 0; - - if (len == 0) return 0; - if (*buff == '-') { sign = -1; buff++; len--; } - - while ( (len) && ((c = *buff) >= '0') && (c <= '9') ) - { - ret *= 10; - ret += c - '0'; - buff++; len--; - } - - ret *= sign; - return ret; -} - -u16 antous(const char *buff, int len) -{ - u16 ret; - char c; - - ret = 0; - - while ( (len) && ((c = *buff) >= '0') && (c <= '9') ) - { - ret *= 10; - ret += c - '0'; - buff++; len--; - } - - return ret; -} - -u32 getipaddr(const char *buff, unsigned int len) -{ - int i; - char c; - u32 ret, val; - - ret = 0; val = 0; - - while ( len ) - { - if (!((((c = *buff) >= '0') && ( c <= '9')) || ( c == '.' ) ) ) - { - return(0); // malformed. - } - - if ( c == '.' ) { - if (val > 255) return (0); //malformed. - ret = ret << 8; - ret += val; - val = 0; - len--; buff++; - continue; - } - val *= 10; - val += c - '0'; - buff++; len--; - } - ret = ret << 8; - ret += val; - - return (ret); -} - |