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authorPeter Maydell <peter.maydell@linaro.org>2020-06-12 23:06:22 +0100
committerPeter Maydell <peter.maydell@linaro.org>2020-06-12 23:06:22 +0100
commit7d3660e79830a069f1848bb4fa1cdf8f666424fb (patch)
tree5651ddf02414086c31d0bfca7713e1800d4f0fc8 /include/exec/memory.h
parent9e3903136d9acde2fb2dd9e967ba928050a6cb4a (diff)
parent3575b0aea983ad57804c9af739ed8ff7bc168393 (diff)
Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging
* Miscellaneous fixes and feature enablement (many) * SEV refactoring (David) * Hyper-V initial support (Jon) * i386 TCG fixes (x87 and SSE, Joseph) * vmport cleanup and improvements (Philippe, Liran) * Use-after-free with vCPU hot-unplug (Nengyuan) * run-coverity-scan improvements (myself) * Record/replay fixes (Pavel) * -machine kernel_irqchip=split improvements for INTx (Peter) * Code cleanups (Philippe) * Crash and security fixes (PJP) * HVF cleanups (Roman) # gpg: Signature made Fri 12 Jun 2020 16:57:04 BST # gpg: using RSA key F13338574B662389866C7682BFFBD25F78C7AE83 # gpg: issuer "pbonzini@redhat.com" # gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full] # gpg: aka "Paolo Bonzini <pbonzini@redhat.com>" [full] # Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4 E2F7 7E15 100C CD36 69B1 # Subkey fingerprint: F133 3857 4B66 2389 866C 7682 BFFB D25F 78C7 AE83 * remotes/bonzini/tags/for-upstream: (116 commits) target/i386: Remove obsolete TODO file stubs: move Xen stubs to accel/ replay: fix replay shutdown for console mode exec/cpu-common: Move MUSB specific typedefs to 'hw/usb/hcd-musb.h' hw/usb: Move device-specific declarations to new 'hcd-musb.h' header exec/memory: Remove unused MemoryRegionMmio type checkpatch: reversed logic with acpi test checks target/i386: sev: Unify SEVState and SevGuestState target/i386: sev: Remove redundant handle field target/i386: sev: Remove redundant policy field target/i386: sev: Remove redundant cbitpos and reduced_phys_bits fields target/i386: sev: Partial cleanup to sev_state global target/i386: sev: Embed SEVState in SevGuestState target/i386: sev: Rename QSevGuestInfo target/i386: sev: Move local structure definitions into .c file target/i386: sev: Remove unused QSevGuestInfoClass xen: fix build without pci passthrough i386: hvf: Drop HVFX86EmulatorState i386: hvf: Move mmio_buf into CPUX86State i386: hvf: Move lazy_flags into CPUX86State ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org> # Conflicts: # hw/i386/acpi-build.c
Diffstat (limited to 'include/exec/memory.h')
-rw-r--r--include/exec/memory.h30
1 files changed, 14 insertions, 16 deletions
diff --git a/include/exec/memory.h b/include/exec/memory.h
index 3e00cdbbfa..7207025bd4 100644
--- a/include/exec/memory.h
+++ b/include/exec/memory.h
@@ -50,12 +50,6 @@
extern bool global_dirty_log;
typedef struct MemoryRegionOps MemoryRegionOps;
-typedef struct MemoryRegionMmio MemoryRegionMmio;
-
-struct MemoryRegionMmio {
- CPUReadMemoryFunc *read[3];
- CPUWriteMemoryFunc *write[3];
-};
typedef struct IOMMUTLBEntry IOMMUTLBEntry;
@@ -1984,7 +1978,7 @@ void memory_global_dirty_log_start(void);
*/
void memory_global_dirty_log_stop(void);
-void mtree_info(bool flatview, bool dispatch_tree, bool owner);
+void mtree_info(bool flatview, bool dispatch_tree, bool owner, bool disabled);
/**
* memory_region_dispatch_read: perform a read directly to the specified
@@ -2314,7 +2308,8 @@ bool address_space_access_valid(AddressSpace *as, hwaddr addr, hwaddr len,
/* address_space_map: map a physical memory region into a host virtual address
*
* May map a subset of the requested range, given by and returned in @plen.
- * May return %NULL if resources needed to perform the mapping are exhausted.
+ * May return %NULL and set *@plen to zero(0), if resources needed to perform
+ * the mapping are exhausted.
* Use only for reads OR writes - not for read-modify-write operations.
* Use cpu_register_map_client() to know when retrying the map operation is
* likely to succeed.
@@ -2354,10 +2349,11 @@ void *qemu_map_ram_ptr(RAMBlock *ram_block, ram_addr_t addr);
/* Internal functions, part of the implementation of address_space_read_cached
* and address_space_write_cached. */
-void address_space_read_cached_slow(MemoryRegionCache *cache,
- hwaddr addr, void *buf, hwaddr len);
-void address_space_write_cached_slow(MemoryRegionCache *cache,
- hwaddr addr, const void *buf, hwaddr len);
+MemTxResult address_space_read_cached_slow(MemoryRegionCache *cache,
+ hwaddr addr, void *buf, hwaddr len);
+MemTxResult address_space_write_cached_slow(MemoryRegionCache *cache,
+ hwaddr addr, const void *buf,
+ hwaddr len);
static inline bool memory_access_is_direct(MemoryRegion *mr, bool is_write)
{
@@ -2422,15 +2418,16 @@ MemTxResult address_space_read(AddressSpace *as, hwaddr addr,
* @buf: buffer with the data transferred
* @len: length of the data transferred
*/
-static inline void
+static inline MemTxResult
address_space_read_cached(MemoryRegionCache *cache, hwaddr addr,
void *buf, hwaddr len)
{
assert(addr < cache->len && len <= cache->len - addr);
if (likely(cache->ptr)) {
memcpy(buf, cache->ptr + addr, len);
+ return MEMTX_OK;
} else {
- address_space_read_cached_slow(cache, addr, buf, len);
+ return address_space_read_cached_slow(cache, addr, buf, len);
}
}
@@ -2442,15 +2439,16 @@ address_space_read_cached(MemoryRegionCache *cache, hwaddr addr,
* @buf: buffer with the data transferred
* @len: length of the data transferred
*/
-static inline void
+static inline MemTxResult
address_space_write_cached(MemoryRegionCache *cache, hwaddr addr,
const void *buf, hwaddr len)
{
assert(addr < cache->len && len <= cache->len - addr);
if (likely(cache->ptr)) {
memcpy(cache->ptr + addr, buf, len);
+ return MEMTX_OK;
} else {
- address_space_write_cached_slow(cache, addr, buf, len);
+ return address_space_write_cached_slow(cache, addr, buf, len);
}
}