diff options
| -rw-r--r-- | exec.c | 18 | ||||
| -rw-r--r-- | trace-events | 6 | ||||
| -rw-r--r-- | xen-all.c | 4 | ||||
| -rw-r--r-- | xen-mapcache-stub.c | 11 | ||||
| -rw-r--r-- | xen-mapcache.c | 41 | ||||
| -rw-r--r-- | xen-mapcache.h | 14 |
6 files changed, 50 insertions, 44 deletions
@@ -3020,7 +3020,7 @@ void qemu_ram_free(ram_addr_t addr) munmap(block->host, block->length); #else if (xen_mapcache_enabled()) { - qemu_invalidate_entry(block->host); + xen_invalidate_map_cache_entry(block->host); } else { qemu_vfree(block->host); } @@ -3118,9 +3118,10 @@ void *qemu_get_ram_ptr(ram_addr_t addr) * In that case just map until the end of the page. */ if (block->offset == 0) { - return qemu_map_cache(addr, 0, 0); + return xen_map_cache(addr, 0, 0); } else if (block->host == NULL) { - block->host = qemu_map_cache(block->offset, block->length, 1); + block->host = + xen_map_cache(block->offset, block->length, 1); } } return block->host + (addr - block->offset); @@ -3148,9 +3149,10 @@ void *qemu_safe_ram_ptr(ram_addr_t addr) * In that case just map until the end of the page. */ if (block->offset == 0) { - return qemu_map_cache(addr, 0, 0); + return xen_map_cache(addr, 0, 0); } else if (block->host == NULL) { - block->host = qemu_map_cache(block->offset, block->length, 1); + block->host = + xen_map_cache(block->offset, block->length, 1); } } return block->host + (addr - block->offset); @@ -3168,7 +3170,7 @@ void *qemu_safe_ram_ptr(ram_addr_t addr) void *qemu_ram_ptr_length(target_phys_addr_t addr, target_phys_addr_t *size) { if (xen_mapcache_enabled()) - return qemu_map_cache(addr, *size, 1); + return xen_map_cache(addr, *size, 1); else { RAMBlock *block; @@ -3199,7 +3201,7 @@ int qemu_ram_addr_from_host(void *ptr, ram_addr_t *ram_addr) uint8_t *host = ptr; if (xen_mapcache_enabled()) { - *ram_addr = qemu_ram_addr_from_mapcache(ptr); + *ram_addr = xen_ram_addr_from_mapcache(ptr); return 0; } @@ -4114,7 +4116,7 @@ void cpu_physical_memory_unmap(void *buffer, target_phys_addr_t len, } } if (xen_mapcache_enabled()) { - qemu_invalidate_entry(buffer); + xen_invalidate_map_cache_entry(buffer); } return; } diff --git a/trace-events b/trace-events index bebf612fe9..2372385282 100644 --- a/trace-events +++ b/trace-events @@ -399,9 +399,9 @@ disable xen_ram_alloc(unsigned long ram_addr, unsigned long size) "requested: %# disable xen_client_set_memory(uint64_t start_addr, unsigned long size, unsigned long phys_offset, bool log_dirty) "%#"PRIx64" size %#lx, offset %#lx, log_dirty %i" # xen-mapcache.c -disable qemu_map_cache(uint64_t phys_addr) "want %#"PRIx64"" -disable qemu_remap_bucket(uint64_t index) "index %#"PRIx64"" -disable qemu_map_cache_return(void* ptr) "%p" +disable xen_map_cache(uint64_t phys_addr) "want %#"PRIx64"" +disable xen_remap_bucket(uint64_t index) "index %#"PRIx64"" +disable xen_map_cache_return(void* ptr) "%p" disable xen_map_block(uint64_t phys_addr, uint64_t size) "%#"PRIx64", size %#"PRIx64"" disable xen_unmap_block(void* addr, unsigned long size) "%p, size %#lx" @@ -644,7 +644,7 @@ static void handle_ioreq(ioreq_t *req) case IOREQ_TYPE_TIMEOFFSET: break; case IOREQ_TYPE_INVALIDATE: - qemu_invalidate_map_cache(); + xen_invalidate_map_cache(); break; default: hw_error("Invalid ioreq type 0x%x\n", req->type); @@ -852,7 +852,7 @@ int xen_hvm_init(void) } /* Init RAM management */ - qemu_map_cache_init(); + xen_map_cache_init(); xen_ram_init(ram_size); qemu_add_vm_change_state_handler(xen_vm_change_state_handler, state); diff --git a/xen-mapcache-stub.c b/xen-mapcache-stub.c index 90a994dc2c..f0370168e1 100644 --- a/xen-mapcache-stub.c +++ b/xen-mapcache-stub.c @@ -13,24 +13,25 @@ #include "cpu-common.h" #include "xen-mapcache.h" -void qemu_map_cache_init(void) +void xen_map_cache_init(void) { } -uint8_t *qemu_map_cache(target_phys_addr_t phys_addr, target_phys_addr_t size, uint8_t lock) +uint8_t *xen_map_cache(target_phys_addr_t phys_addr, target_phys_addr_t size, + uint8_t lock) { return qemu_get_ram_ptr(phys_addr); } -ram_addr_t qemu_ram_addr_from_mapcache(void *ptr) +ram_addr_t xen_ram_addr_from_mapcache(void *ptr) { return -1; } -void qemu_invalidate_map_cache(void) +void xen_invalidate_map_cache(void) { } -void qemu_invalidate_entry(uint8_t *buffer) +void xen_invalidate_map_cache_entry(uint8_t *buffer) { } diff --git a/xen-mapcache.c b/xen-mapcache.c index fac47cd9be..007136af26 100644 --- a/xen-mapcache.c +++ b/xen-mapcache.c @@ -40,6 +40,9 @@ #endif #define MCACHE_BUCKET_SIZE (1UL << MCACHE_BUCKET_SHIFT) +#define mapcache_lock() ((void)0) +#define mapcache_unlock() ((void)0) + typedef struct MapCacheEntry { target_phys_addr_t paddr_index; uint8_t *vaddr_base; @@ -79,7 +82,7 @@ static inline int test_bits(int nr, int size, const unsigned long *addr) return 0; } -void qemu_map_cache_init(void) +void xen_map_cache_init(void) { unsigned long size; struct rlimit rlimit_as; @@ -106,13 +109,14 @@ void qemu_map_cache_init(void) size = mapcache->nr_buckets * sizeof (MapCacheEntry); size = (size + XC_PAGE_SIZE - 1) & ~(XC_PAGE_SIZE - 1); - DPRINTF("qemu_map_cache_init, nr_buckets = %lx size %lu\n", mapcache->nr_buckets, size); + DPRINTF("%s, nr_buckets = %lx size %lu\n", __func__, + mapcache->nr_buckets, size); mapcache->entry = qemu_mallocz(size); } -static void qemu_remap_bucket(MapCacheEntry *entry, - target_phys_addr_t size, - target_phys_addr_t address_index) +static void xen_remap_bucket(MapCacheEntry *entry, + target_phys_addr_t size, + target_phys_addr_t address_index) { uint8_t *vaddr_base; xen_pfn_t *pfns; @@ -120,7 +124,7 @@ static void qemu_remap_bucket(MapCacheEntry *entry, unsigned int i; target_phys_addr_t nb_pfn = size >> XC_PAGE_SHIFT; - trace_qemu_remap_bucket(address_index); + trace_xen_remap_bucket(address_index); pfns = qemu_mallocz(nb_pfn * sizeof (xen_pfn_t)); err = qemu_mallocz(nb_pfn * sizeof (int)); @@ -164,17 +168,18 @@ static void qemu_remap_bucket(MapCacheEntry *entry, qemu_free(err); } -uint8_t *qemu_map_cache(target_phys_addr_t phys_addr, target_phys_addr_t size, uint8_t lock) +uint8_t *xen_map_cache(target_phys_addr_t phys_addr, target_phys_addr_t size, + uint8_t lock) { MapCacheEntry *entry, *pentry = NULL; target_phys_addr_t address_index = phys_addr >> MCACHE_BUCKET_SHIFT; target_phys_addr_t address_offset = phys_addr & (MCACHE_BUCKET_SIZE - 1); target_phys_addr_t __size = size; - trace_qemu_map_cache(phys_addr); + trace_xen_map_cache(phys_addr); if (address_index == mapcache->last_address_index && !lock && !__size) { - trace_qemu_map_cache_return(mapcache->last_address_vaddr + address_offset); + trace_xen_map_cache_return(mapcache->last_address_vaddr + address_offset); return mapcache->last_address_vaddr + address_offset; } @@ -198,20 +203,20 @@ uint8_t *qemu_map_cache(target_phys_addr_t phys_addr, target_phys_addr_t size, u if (!entry) { entry = qemu_mallocz(sizeof (MapCacheEntry)); pentry->next = entry; - qemu_remap_bucket(entry, __size, address_index); + xen_remap_bucket(entry, __size, address_index); } else if (!entry->lock) { if (!entry->vaddr_base || entry->paddr_index != address_index || entry->size != __size || !test_bits(address_offset >> XC_PAGE_SHIFT, size >> XC_PAGE_SHIFT, entry->valid_mapping)) { - qemu_remap_bucket(entry, __size, address_index); + xen_remap_bucket(entry, __size, address_index); } } if(!test_bits(address_offset >> XC_PAGE_SHIFT, size >> XC_PAGE_SHIFT, entry->valid_mapping)) { mapcache->last_address_index = -1; - trace_qemu_map_cache_return(NULL); + trace_xen_map_cache_return(NULL); return NULL; } @@ -226,11 +231,11 @@ uint8_t *qemu_map_cache(target_phys_addr_t phys_addr, target_phys_addr_t size, u QTAILQ_INSERT_HEAD(&mapcache->locked_entries, reventry, next); } - trace_qemu_map_cache_return(mapcache->last_address_vaddr + address_offset); + trace_xen_map_cache_return(mapcache->last_address_vaddr + address_offset); return mapcache->last_address_vaddr + address_offset; } -ram_addr_t qemu_ram_addr_from_mapcache(void *ptr) +ram_addr_t xen_ram_addr_from_mapcache(void *ptr) { MapCacheEntry *entry = NULL, *pentry = NULL; MapCacheRev *reventry; @@ -247,7 +252,7 @@ ram_addr_t qemu_ram_addr_from_mapcache(void *ptr) } } if (!found) { - fprintf(stderr, "qemu_ram_addr_from_mapcache, could not find %p\n", ptr); + fprintf(stderr, "%s, could not find %p\n", __func__, ptr); QTAILQ_FOREACH(reventry, &mapcache->locked_entries, next) { DPRINTF(" "TARGET_FMT_plx" -> %p is present\n", reventry->paddr_index, reventry->vaddr_req); @@ -269,7 +274,7 @@ ram_addr_t qemu_ram_addr_from_mapcache(void *ptr) ((unsigned long) ptr - (unsigned long) entry->vaddr_base); } -void qemu_invalidate_entry(uint8_t *buffer) +void xen_invalidate_map_cache_entry(uint8_t *buffer) { MapCacheEntry *entry = NULL, *pentry = NULL; MapCacheRev *reventry; @@ -290,7 +295,7 @@ void qemu_invalidate_entry(uint8_t *buffer) } } if (!found) { - DPRINTF("qemu_invalidate_entry, could not find %p\n", buffer); + DPRINTF("%s, could not find %p\n", __func__, buffer); QTAILQ_FOREACH(reventry, &mapcache->locked_entries, next) { DPRINTF(" "TARGET_FMT_plx" -> %p is present\n", reventry->paddr_index, reventry->vaddr_req); } @@ -322,7 +327,7 @@ void qemu_invalidate_entry(uint8_t *buffer) qemu_free(entry); } -void qemu_invalidate_map_cache(void) +void xen_invalidate_map_cache(void) { unsigned long i; MapCacheRev *reventry; diff --git a/xen-mapcache.h b/xen-mapcache.h index 6216cc3be7..606b8afc52 100644 --- a/xen-mapcache.h +++ b/xen-mapcache.h @@ -9,13 +9,11 @@ #ifndef XEN_MAPCACHE_H #define XEN_MAPCACHE_H -void qemu_map_cache_init(void); -uint8_t *qemu_map_cache(target_phys_addr_t phys_addr, target_phys_addr_t size, uint8_t lock); -ram_addr_t qemu_ram_addr_from_mapcache(void *ptr); -void qemu_invalidate_entry(uint8_t *buffer); -void qemu_invalidate_map_cache(void); - -#define mapcache_lock() ((void)0) -#define mapcache_unlock() ((void)0) +void xen_map_cache_init(void); +uint8_t *xen_map_cache(target_phys_addr_t phys_addr, target_phys_addr_t size, + uint8_t lock); +ram_addr_t xen_ram_addr_from_mapcache(void *ptr); +void xen_invalidate_map_cache_entry(uint8_t *buffer); +void xen_invalidate_map_cache(void); #endif /* !XEN_MAPCACHE_H */ |