diff options
Diffstat (limited to 'tools/libxc/xc_core_ia64.c')
| -rw-r--r-- | tools/libxc/xc_core_ia64.c | 380 |
1 files changed, 0 insertions, 380 deletions
diff --git a/tools/libxc/xc_core_ia64.c b/tools/libxc/xc_core_ia64.c deleted file mode 100644 index 7411e3e22f..0000000000 --- a/tools/libxc/xc_core_ia64.c +++ /dev/null @@ -1,380 +0,0 @@ -/* - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * - * Copyright (c) 2007 Isaku Yamahata <yamahata at valinux co jp> - * VA Linux Systems Japan K.K. - * - */ - -#include "xg_private.h" -#include "xc_core.h" -#include "xc_efi.h" -#include "xc_dom.h" -#include <inttypes.h> - -int -xc_core_arch_gpfn_may_present(struct xc_core_arch_context *arch_ctxt, - unsigned long pfn) -{ - if (arch_ctxt->p2m_table.p2m == NULL) - return 1; /* default to trying to map the page */ - - return xc_ia64_p2m_present(&arch_ctxt->p2m_table, pfn); -} - -static int -xc_memory_map_cmp(const void *lhs__, const void *rhs__) -{ - const struct xc_core_memory_map *lhs = - (const struct xc_core_memory_map *)lhs__; - const struct xc_core_memory_map *rhs = - (const struct xc_core_memory_map *)rhs__; - - if (lhs->addr < rhs->addr) - return -1; - if (lhs->addr > rhs->addr) - return 1; - - /* memory map overlap isn't allowed. complain */ -#ifdef DEBUG - fprintf(stderr, "duplicated addresses are detected " - "(0x%" PRIx64 ", 0x%" PRIx64 "), " - "(0x%" PRIx64 ", 0x%" PRIx64 ")\n", - lhs->addr, lhs->size, rhs->addr, rhs->size); -#endif - return 0; -} - -int -xc_core_arch_auto_translated_physmap(const xc_dominfo_t *info) -{ - /* - * on ia64, both paravirtualize domain and hvm domain are - * auto_translated_physmap mode - */ - return 1; -} - -/* see setup_guest() @ xc_linux_build.c */ -static int -memory_map_get_old_domu(xc_interface *xch, xc_dominfo_t *info, - shared_info_any_t *live_shinfo, - xc_core_memory_map_t **mapp, unsigned int *nr_entries) -{ - xc_core_memory_map_t *map = NULL; - - map = malloc(sizeof(*map)); - if ( map == NULL ) - { - PERROR("Could not allocate memory"); - goto out; - } - - map->addr = 0; - map->size = info->max_memkb * 1024; - - *mapp = map; - *nr_entries = 1; - return 0; - -out: - if ( map != NULL ) - free(map); - return -1; -} - -/* see setup_guest() @ xc_ia64_hvm_build.c */ -static int -memory_map_get_old_hvm(xc_interface *xch, xc_dominfo_t *info, - shared_info_any_t *live_shinfo, - xc_core_memory_map_t **mapp, unsigned int *nr_entries) -{ - const xc_core_memory_map_t gfw_map[] = { - {IO_PAGE_START, IO_PAGE_SIZE}, - {STORE_PAGE_START, STORE_PAGE_SIZE}, - {BUFFER_IO_PAGE_START, BUFFER_IO_PAGE_SIZE}, - {BUFFER_PIO_PAGE_START, BUFFER_PIO_PAGE_SIZE}, - {GFW_START, GFW_SIZE}, - }; - const unsigned int nr_gfw_map = sizeof(gfw_map)/sizeof(gfw_map[0]); - xc_core_memory_map_t *map = NULL; - unsigned int i; - -#define VGA_IO_END (VGA_IO_START + VGA_IO_SIZE) - /* [0, VGA_IO_START) [VGA_IO_END, 3GB), [4GB, ...) + gfw_map */ - map = malloc((3 + nr_gfw_map) * sizeof(*map)); - if ( map == NULL ) - { - PERROR("Could not allocate memory"); - goto out; - } - - for ( i = 0; i < nr_gfw_map; i++ ) - map[i] = gfw_map[i]; - map[i].addr = 0; - map[i].size = info->max_memkb * 1024; - i++; - if ( map[i - 1].size < VGA_IO_END ) - { - map[i - 1].size = VGA_IO_START; - } - else - { - map[i].addr = VGA_IO_END; - map[i].size = map[i - 1].size - VGA_IO_END; - map[i - 1].size = VGA_IO_START; - i++; - if ( map[i - 1].addr + map[i - 1].size > MMIO_START ) - { - map[i].addr = MMIO_START + 1 * MEM_G; - map[i].size = map[i - 1].addr + map[i - 1].size - MMIO_START; - map[i - 1].size = MMIO_START - map[i - 1].addr; - i++; - } - } - *mapp = map; - *nr_entries = i; - qsort(map, *nr_entries, sizeof(map[0]), &xc_memory_map_cmp); - return 0; - -out: - if ( map != NULL ) - free(map); - return -1; -} - -static int -memory_map_get_old(xc_interface *xch, xc_dominfo_t *info, - shared_info_any_t *live_shinfo, - xc_core_memory_map_t **mapp, unsigned int *nr_entries) -{ - if ( info->hvm ) - return memory_map_get_old_hvm(xch, info, live_shinfo, - mapp, nr_entries); - if ( live_shinfo == NULL ) - return -1; - return memory_map_get_old_domu(xch, info, live_shinfo, - mapp, nr_entries); -} - -int -xc_core_arch_memory_map_get(xc_interface *xch, - struct xc_core_arch_context *arch_ctxt, - xc_dominfo_t *info, - shared_info_any_t *live_shinfo, - xc_core_memory_map_t **mapp, - unsigned int *nr_entries) -{ - int ret = -1; - - xen_ia64_memmap_info_t *memmap_info = NULL; - xc_core_memory_map_t *map; - char *start; - char *end; - char *p; - efi_memory_desc_t *md; - - if ( live_shinfo == NULL ) - { - ERROR("can't access shared info"); - goto old; - } - - /* copy before use in case someone updating them */ - if (xc_ia64_copy_memmap(xch, info->domid, &live_shinfo->s, - &memmap_info, NULL)) { - goto old; - } - - *nr_entries = memmap_info->efi_memmap_size / memmap_info->efi_memdesc_size; - map = malloc(*nr_entries * sizeof(*md)); - if ( map == NULL ) - { - PERROR("Could not allocate memory for memmap."); - free(memmap_info); - return -1; - } - *mapp = map; - - *nr_entries = 0; - start = (char*)&memmap_info->memdesc; - end = start + memmap_info->efi_memmap_size; - for ( p = start; p < end; p += memmap_info->efi_memdesc_size ) - { - md = (efi_memory_desc_t*)p; - if ( md->type != EFI_CONVENTIONAL_MEMORY || - md->attribute != EFI_MEMORY_WB || - md->num_pages == 0 ) - continue; - - map[*nr_entries].addr = md->phys_addr; - map[*nr_entries].size = md->num_pages << EFI_PAGE_SHIFT; - (*nr_entries)++; - } - ret = 0; - - xc_ia64_p2m_map(&arch_ctxt->p2m_table, xch, info->domid, - memmap_info, 0); - if ( memmap_info != NULL ) - free(memmap_info); - qsort(map, *nr_entries, sizeof(map[0]), &xc_memory_map_cmp); - return ret; - -old: - DPRINTF("Falling back old method.\n"); - return memory_map_get_old(xch, info, live_shinfo, mapp, nr_entries); -} - -int -xc_core_arch_map_p2m(xc_interface *xch, unsigned int guest_width, xc_dominfo_t *info, - shared_info_any_t *live_shinfo, xen_pfn_t **live_p2m, - unsigned long *pfnp) -{ - /* - * on ia64, both paravirtualize domain and hvm domain are - * auto_translated_physmap mode - */ - errno = ENOSYS; - return -1; -} - -void -xc_core_arch_context_init(struct xc_core_arch_context* arch_ctxt) -{ - arch_ctxt->mapped_regs_size = - (XMAPPEDREGS_SIZE < PAGE_SIZE) ? PAGE_SIZE: XMAPPEDREGS_SIZE; - arch_ctxt->nr_vcpus = 0; - arch_ctxt->mapped_regs = NULL; - - xc_ia64_p2m_init(&arch_ctxt->p2m_table); -} - -void -xc_core_arch_context_free(struct xc_core_arch_context* arch_ctxt) -{ - int i; - for ( i = 0; i < arch_ctxt->nr_vcpus; i++ ) - if ( arch_ctxt->mapped_regs[i] != NULL ) - munmap(arch_ctxt->mapped_regs[i], arch_ctxt->mapped_regs_size); - free(arch_ctxt->mapped_regs); - xc_ia64_p2m_unmap(&arch_ctxt->p2m_table); -} - -int -xc_core_arch_context_get(struct xc_core_arch_context* arch_ctxt, - vcpu_guest_context_any_t* ctxt_any, - xc_interface *xch, uint32_t domid) -{ - vcpu_guest_context_t *ctxt = &ctxt_any->c; - mapped_regs_t* mapped_regs; - - if ( ctxt->privregs_pfn == VGC_PRIVREGS_HVM ) - return 0; /* VTi domain case */ - - if ( ctxt->privregs_pfn == INVALID_P2M_ENTRY ) - { - PERROR("Could not get mmapped privregs gmfn"); - errno = ENOENT; - return -1; - } - if ( !(arch_ctxt->nr_vcpus & (arch_ctxt->nr_vcpus - 1)) ) { - unsigned int nr = arch_ctxt->nr_vcpus ? arch_ctxt->nr_vcpus << 1 : 1; - mapped_regs_t** new = realloc(arch_ctxt->mapped_regs, - nr * sizeof(*new)); - - if ( !new ) - { - PERROR("Could not alloc mapped regs pointer array"); - return -1; - } - memset(new + arch_ctxt->nr_vcpus, 0, - (nr - arch_ctxt->nr_vcpus) * sizeof(*new)); - arch_ctxt->mapped_regs = new; - } - - mapped_regs = xc_map_foreign_range(xch, domid, - arch_ctxt->mapped_regs_size, - PROT_READ, ctxt->privregs_pfn); - if ( mapped_regs == NULL ) - { - PERROR("Could not map mapped privregs"); - return -1; - } - arch_ctxt->mapped_regs[arch_ctxt->nr_vcpus] = mapped_regs; - arch_ctxt->nr_vcpus++; - return 0; -} - -int -xc_core_arch_context_get_shdr(xc_interface *xch, - struct xc_core_arch_context *arch_ctxt, - struct xc_core_section_headers *sheaders, - struct xc_core_strtab *strtab, - uint64_t *filesz, uint64_t offset) -{ - int sts = -1; - Elf64_Shdr *shdr; - - if ( arch_ctxt->nr_vcpus == 0 ) - { - /* VTi domain case */ - *filesz = 0; - return 0; - } - - /* mmapped priv regs */ - shdr = xc_core_shdr_get(xch, sheaders); - if ( shdr == NULL ) - { - PERROR("Could not get section header for .xen_ia64_mapped_regs"); - return sts; - } - *filesz = arch_ctxt->mapped_regs_size * arch_ctxt->nr_vcpus; - sts = xc_core_shdr_set(xch, shdr, strtab, - XEN_DUMPCORE_SEC_IA64_MAPPED_REGS, - SHT_PROGBITS, offset, *filesz, - __alignof__(*arch_ctxt->mapped_regs[0]), - arch_ctxt->mapped_regs_size); - return sts; -} - -int -xc_core_arch_context_dump(xc_interface *xch, - struct xc_core_arch_context* arch_ctxt, - void* args, dumpcore_rtn_t dump_rtn) -{ - int sts = 0; - int i; - - /* ia64 mapped_regs: .xen_ia64_mapped_regs */ - for ( i = 0; i < arch_ctxt->nr_vcpus; i++ ) - { - sts = dump_rtn(xch, args, (char*)arch_ctxt->mapped_regs[i], - arch_ctxt->mapped_regs_size); - if ( sts != 0 ) - break; - } - return sts; -} - -/* - * Local variables: - * mode: C - * c-set-style: "BSD" - * c-basic-offset: 4 - * tab-width: 4 - * indent-tabs-mode: nil - * End: - */ |