[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH] stubdom: complete libxc support
stubdom: complete libxc support Signed-off-by: Samuel Thibault <samuel.thibault@xxxxxxxxxxxxx> diff -r 73e2fc5117ac -r f4a293cbec1b extras/mini-os/Config.mk --- a/extras/mini-os/Config.mk Thu May 22 12:54:02 2008 +0100 +++ b/extras/mini-os/Config.mk Thu May 22 14:28:40 2008 +0100 @@ -41,10 +41,7 @@ extra_incl := $(foreach dir,$(EXTRA_INC),-I$(MINI-OS_ROOT)/include/$(dir)) DEF_CPPFLAGS += -I$(MINI-OS_ROOT)/include - -ifeq ($(stubdom),y) -DEF_CPPFLAGS += -DCONFIG_STUBDOM -endif +DEF_CPPFLAGS += -D__MINIOS__ ifeq ($(libc),y) DEF_CPPFLAGS += -DHAVE_LIBC diff -r 73e2fc5117ac -r f4a293cbec1b extras/mini-os/Makefile --- a/extras/mini-os/Makefile Thu May 22 12:54:02 2008 +0100 +++ b/extras/mini-os/Makefile Thu May 22 14:28:40 2008 +0100 @@ -96,7 +96,7 @@ endif ifeq ($(libc),y) -LDLIBS += -L$(XEN_ROOT)/stubdom/libxc -lxenctrl -lxenguest +APP_LDLIBS += -L$(XEN_ROOT)/stubdom/libxc -whole-archive -lxenguest -lxenctrl -no-whole-archive APP_LDLIBS += -lpci APP_LDLIBS += -lz LDLIBS += -lc diff -r 73e2fc5117ac -r f4a293cbec1b extras/mini-os/arch/ia64/mm.c --- a/extras/mini-os/arch/ia64/mm.c Thu May 22 12:54:02 2008 +0100 +++ b/extras/mini-os/arch/ia64/mm.c Thu May 22 14:28:40 2008 +0100 @@ -131,6 +131,14 @@ } /* Helper function used in gnttab.c. */ +void do_map_frames(unsigned long addr, + unsigned long *f, unsigned long n, unsigned long stride, + unsigned long increment, domid_t id, int may_fail, unsigned long prot) +{ + /* TODO */ + ASSERT(0); +} + void* map_frames_ex(unsigned long* frames, unsigned long n, unsigned long stride, unsigned long increment, unsigned long alignment, domid_t id, diff -r 73e2fc5117ac -r f4a293cbec1b extras/mini-os/include/lib.h --- a/extras/mini-os/include/lib.h Thu May 22 12:54:02 2008 +0100 +++ b/extras/mini-os/include/lib.h Thu May 22 14:28:40 2008 +0100 @@ -136,6 +136,7 @@ FTYPE_CONSOLE, FTYPE_FILE, FTYPE_XENBUS, + FTYPE_XC, FTYPE_EVTCHN, FTYPE_SOCKET, FTYPE_TAP, diff -r 73e2fc5117ac -r f4a293cbec1b extras/mini-os/include/mm.h --- a/extras/mini-os/include/mm.h Thu May 22 12:54:02 2008 +0100 +++ b/extras/mini-os/include/mm.h Thu May 22 14:28:40 2008 +0100 @@ -69,6 +69,9 @@ void *map_frames_ex(unsigned long *f, unsigned long n, unsigned long stride, unsigned long increment, unsigned long alignment, domid_t id, int may_fail, unsigned long prot); +void do_map_frames(unsigned long addr, + unsigned long *f, unsigned long n, unsigned long stride, + unsigned long increment, domid_t id, int may_fail, unsigned long prot); #ifdef HAVE_LIBC extern unsigned long heap, brk, heap_mapped, heap_end; #endif diff -r 73e2fc5117ac -r f4a293cbec1b extras/mini-os/include/x86/arch_mm.h --- a/extras/mini-os/include/x86/arch_mm.h Thu May 22 12:54:02 2008 +0100 +++ b/extras/mini-os/include/x86/arch_mm.h Thu May 22 14:28:40 2008 +0100 @@ -219,11 +219,6 @@ #define map_frames(f, n) map_frames_ex(f, n, 1, 0, 1, DOMID_SELF, 0, L1_PROT) #define map_zero(n, a) map_frames_ex(&mfn_zero, n, 0, 0, a, DOMID_SELF, 0, L1_PROT_RO) -#ifndef __ASSEMBLY__ -void do_map_frames(unsigned long addr, - unsigned long *f, unsigned long n, unsigned long stride, - unsigned long increment, domid_t id, int may_fail, unsigned long prot); -#endif #define do_map_zero(start, n) do_map_frames(start, &mfn_zero, n, 0, 0, DOMID_SELF, 0, L1_PROT_RO) #endif /* _ARCH_MM_H_ */ diff -r 73e2fc5117ac -r f4a293cbec1b extras/mini-os/lib/sys.c --- a/extras/mini-os/lib/sys.c Thu May 22 12:54:02 2008 +0100 +++ b/extras/mini-os/lib/sys.c Thu May 22 14:28:40 2008 +0100 @@ -82,6 +82,7 @@ #define NOFILE 32 extern int xc_evtchn_close(int fd); +extern int xc_interface_close(int fd); pthread_mutex_t fd_lock = PTHREAD_MUTEX_INITIALIZER; struct file files[NOFILE] = { @@ -260,10 +261,7 @@ } return ret * sizeof(union xenfb_in_event); } - case FTYPE_NONE: - case FTYPE_XENBUS: - case FTYPE_EVTCHN: - case FTYPE_BLK: + default: break; } printk("read(%d): Bad descriptor\n", fd); @@ -296,12 +294,7 @@ case FTYPE_TAP: netfront_xmit(files[fd].tap.dev, (void*) buf, nbytes); return nbytes; - case FTYPE_NONE: - case FTYPE_XENBUS: - case FTYPE_EVTCHN: - case FTYPE_BLK: - case FTYPE_KBD: - case FTYPE_FB: + default: break; } printk("write(%d): Bad descriptor\n", fd); @@ -352,15 +345,7 @@ } return 0; } - case FTYPE_NONE: - case FTYPE_CONSOLE: - case FTYPE_SOCKET: - case FTYPE_XENBUS: - case FTYPE_EVTCHN: - case FTYPE_TAP: - case FTYPE_BLK: - case FTYPE_KBD: - case FTYPE_FB: + default: break; } printk("fsync(%d): Bad descriptor\n", fd); @@ -392,6 +377,9 @@ files[fd].type = FTYPE_NONE; return res; } + case FTYPE_XC: + xc_interface_close(fd); + return 0; case FTYPE_EVTCHN: xc_evtchn_close(fd); return 0; @@ -496,13 +484,7 @@ stat_from_fs(buf, &stat); return 0; } - case FTYPE_NONE: - case FTYPE_XENBUS: - case FTYPE_EVTCHN: - case FTYPE_TAP: - case FTYPE_BLK: - case FTYPE_KBD: - case FTYPE_FB: + default: break; } @@ -523,15 +505,7 @@ } return 0; } - case FTYPE_NONE: - case FTYPE_CONSOLE: - case FTYPE_SOCKET: - case FTYPE_XENBUS: - case FTYPE_EVTCHN: - case FTYPE_TAP: - case FTYPE_BLK: - case FTYPE_KBD: - case FTYPE_FB: + default: break; } @@ -637,9 +611,10 @@ [FTYPE_NONE] = 'N', [FTYPE_CONSOLE] = 'C', [FTYPE_FILE] = 'F', - [FTYPE_XENBUS] = 'X', + [FTYPE_XENBUS] = 'S', + [FTYPE_XC] = 'X', [FTYPE_EVTCHN] = 'E', - [FTYPE_SOCKET] = 'S', + [FTYPE_SOCKET] = 's', [FTYPE_TAP] = 'T', [FTYPE_BLK] = 'B', [FTYPE_KBD] = 'K', @@ -723,7 +698,7 @@ /* Then see others as well. */ for (i = 0; i < nfds; i++) { switch(files[i].type) { - case FTYPE_NONE: + default: if (FD_ISSET(i, readfds) || FD_ISSET(i, writefds) || FD_ISSET(i, exceptfds)) printk("bogus fd %d in select\n", i); /* Fallthrough. */ @@ -1084,14 +1059,20 @@ void *mmap(void *start, size_t length, int prot, int flags, int fd, off_t offset) { + unsigned long n = (length + PAGE_SIZE - 1) / PAGE_SIZE; + ASSERT(!start); - length = (length + PAGE_SIZE - 1) & PAGE_MASK; ASSERT(prot == (PROT_READ|PROT_WRITE)); - ASSERT(flags == (MAP_SHARED|MAP_ANON) || flags == (MAP_PRIVATE|MAP_ANON)); - ASSERT(fd == -1); + ASSERT((fd == -1 && (flags == (MAP_SHARED|MAP_ANON) || flags == (MAP_PRIVATE|MAP_ANON))) + || (fd != -1 && flags == MAP_SHARED)); ASSERT(offset == 0); - return map_zero(length / PAGE_SIZE, 1); + if (fd == -1) + return map_zero(n, 1); + else if (files[fd].type == FTYPE_XC) { + unsigned long zero = 0; + return map_frames_ex(&zero, n, 0, 0, 1, DOMID_SELF, 0, 0); + } else ASSERT(0); } #if defined(__x86_64__) || defined(__ia64__) __typeof__(mmap) mmap64 __attribute__((__alias__("mmap"))); @@ -1111,7 +1092,7 @@ call[i].args[0] = (unsigned long) &data[i]; call[i].args[1] = 0; call[i].args[2] = 0; - call[i].args[3] = UVMF_INVLPG | UVMF_ALL; + call[i].args[3] = UVMF_INVLPG; } ret = HYPERVISOR_multicall(call, n); diff -r 73e2fc5117ac -r f4a293cbec1b tools/libxc/Makefile --- a/tools/libxc/Makefile Thu May 22 12:54:02 2008 +0100 +++ b/tools/libxc/Makefile Thu May 22 14:28:40 2008 +0100 @@ -5,11 +5,9 @@ MINOR = 0 CTRL_SRCS-y := -ifneq ($(stubdom),y) CTRL_SRCS-y += xc_core.c CTRL_SRCS-$(CONFIG_X86) += xc_core_x86.c CTRL_SRCS-$(CONFIG_IA64) += xc_core_ia64.c -endif CTRL_SRCS-y += xc_domain.c CTRL_SRCS-y += xc_evtchn.c CTRL_SRCS-y += xc_misc.c @@ -21,9 +19,7 @@ CTRL_SRCS-y += xc_csched.c CTRL_SRCS-y += xc_tbuf.c CTRL_SRCS-y += xc_pm.c -ifneq ($(stubdom),y) CTRL_SRCS-y += xc_resume.c -endif CTRL_SRCS-$(CONFIG_X86) += xc_pagetab.c CTRL_SRCS-$(CONFIG_Linux) += xc_linux.c CTRL_SRCS-$(CONFIG_SunOS) += xc_solaris.c @@ -33,15 +29,12 @@ GUEST_SRCS-y := GUEST_SRCS-y += xg_private.c -ifneq ($(stubdom),y) GUEST_SRCS-$(CONFIG_MIGRATE) += xc_domain_restore.c xc_domain_save.c GUEST_SRCS-$(CONFIG_HVM) += xc_hvm_build.c -endif VPATH = ../../xen/common/libelf CFLAGS += -I../../xen/common/libelf -ifneq ($(stubdom),y) GUEST_SRCS-y += libelf-tools.c libelf-loader.c GUEST_SRCS-y += libelf-dominfo.c libelf-relocate.c @@ -55,7 +48,6 @@ GUEST_SRCS-$(CONFIG_X86) += xc_dom_x86.c GUEST_SRCS-$(CONFIG_X86) += xc_cpuid_x86.c GUEST_SRCS-$(CONFIG_IA64) += xc_dom_ia64.c -endif -include $(XEN_TARGET_ARCH)/Makefile diff -r 73e2fc5117ac -r f4a293cbec1b tools/libxc/xc_core.c --- a/tools/libxc/xc_core.c Thu May 22 12:54:02 2008 +0100 +++ b/tools/libxc/xc_core.c Thu May 22 14:28:40 2008 +0100 @@ -64,7 +64,7 @@ /* string table */ struct xc_core_strtab { char *strings; - uint16_t current; + uint16_t length; uint16_t max; }; @@ -89,7 +89,7 @@ /* index 0 represents none */ strtab->strings[0] = '\0'; - strtab->current = 1; + strtab->length = 1; return strtab; } @@ -107,14 +107,14 @@ uint16_t ret = 0; uint16_t len = strlen(name) + 1; - if ( strtab->current > UINT16_MAX - len ) + if ( strtab->length > UINT16_MAX - len ) { PERROR("too long string table"); errno = E2BIG; return ret; } - if ( strtab->current + len > strtab->max ) + if ( strtab->length + len > strtab->max ) { char *tmp; if ( strtab->max > UINT16_MAX / 2 ) @@ -135,9 +135,9 @@ strtab->max *= 2; } - ret = strtab->current; - strcpy(strtab->strings + strtab->current, name); - strtab->current += len; + ret = strtab->length; + strcpy(strtab->strings + strtab->length, name); + strtab->length += len; return ret; } @@ -669,7 +669,7 @@ offset += filesz; /* fixing up section header string table section header */ - filesz = strtab->current; + filesz = strtab->length; sheaders->shdrs[strtab_idx].sh_offset = offset; sheaders->shdrs[strtab_idx].sh_size = filesz; @@ -829,7 +829,7 @@ goto out; /* elf section header string table: .shstrtab */ - sts = dump_rtn(args, strtab->strings, strtab->current); + sts = dump_rtn(args, strtab->strings, strtab->length); if ( sts != 0 ) goto out; diff -r 73e2fc5117ac -r f4a293cbec1b tools/libxc/xc_minios.c --- a/tools/libxc/xc_minios.c Thu May 22 12:54:02 2008 +0100 +++ b/tools/libxc/xc_minios.c Thu May 22 14:28:40 2008 +0100 @@ -35,11 +35,12 @@ int xc_interface_open(void) { - return 0; + return alloc_fd(FTYPE_XC); } int xc_interface_close(int xc_handle) { + files[xc_handle].type = FTYPE_NONE; return 0; } @@ -79,8 +80,12 @@ int xc_map_foreign_ranges(int xc_handle, uint32_t dom, privcmd_mmap_entry_t *entries, int nr) { - printf("xc_map_foreign_ranges, TODO\n"); - do_exit(); + int i; + for (i = 0; i < nr; i++) { + unsigned long mfn = entries[i].mfn; + do_map_frames(entries[i].va, &mfn, entries[i].npages, 0, 1, dom, 0, L1_PROT); + } + return 0; } int do_xen_hypercall(int xc_handle, privcmd_hypercall_t *hypercall) @@ -294,6 +299,12 @@ return 0; } +/* Optionally flush file to disk and discard page cache */ +void discard_file_cache(int fd, int flush) +{ + if (flush) + fsync(fd); +} /* * Local variables: * mode: C diff -r 73e2fc5117ac -r f4a293cbec1b xen/common/libelf/libelf-private.h --- a/xen/common/libelf/libelf-private.h Thu May 22 12:54:02 2008 +0100 +++ b/xen/common/libelf/libelf-private.h Thu May 22 14:28:40 2008 +0100 @@ -43,7 +43,7 @@ #define bswap_16(x) swap16(x) #define bswap_32(x) swap32(x) #define bswap_64(x) swap64(x) -#elif defined(__linux__) || defined(__Linux__) +#elif defined(__linux__) || defined(__Linux__) || defined(__MINIOS__) #include <byteswap.h> #else #error Unsupported OS _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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