- build bugfix from Fam and new configure check from Emilio
- two improvements to "info mtere" from Gerd - KVM support for memory transaction attributes - one more small step towards unlocked MMIO dispatch - one piece of the qemu-nbd errno fixes - trivial-ish patches from Denis and Thomas -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQEcBAABCAAGBQJVTLBhAAoJEL/70l94x66DkGIH/jlNJBMBGhlH/lwb1LzxtAMX OxyDxsiwJpSxsOiZiY3oRz7d6VV6TCrmx5L+1HgG5IzU3WC61Tq6/FK4EXLepZIH GSYlLtAALWny+2Uwsyh1Z7MMr5yxyhgeORk/l7O8pncmMeysludbEaJqQg8Aa9A2 j0B2pv4tvcl/qhuIFXL1YlbYMVXMsZy5W65D8jq+B6qf3q8kUcdKvgvbUMrxAiSH JMISo4Z32t9w8SGnhlBa9s4HfN2yOvULRAozzkDBAu4c41cZrw16lvTV8XotamnU LrG6eQ+2PFeIrcGhuIu7z5Bi4yiRRiThfRLCAvVApVTQYUf7IwvPNa5K1FrP9YU= =Z/UD -----END PGP SIGNATURE----- Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging - build bugfix from Fam and new configure check from Emilio - two improvements to "info mtere" from Gerd - KVM support for memory transaction attributes - one more small step towards unlocked MMIO dispatch - one piece of the qemu-nbd errno fixes - trivial-ish patches from Denis and Thomas # gpg: Signature made Fri May 8 13:47:29 2015 BST using RSA key ID 78C7AE83 # gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" # gpg: aka "Paolo Bonzini <pbonzini@redhat.com>" # gpg: WARNING: This key is not certified with sufficiently trusted signatures! # gpg: It is not certain that the signature belongs to the owner. # 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: qemu-nbd: only send a limited number of errno codes on the wire rules.mak: Force CFLAGS for all objects in DSO configure: require __thread support exec: move rcu_read_lock/unlock to address_space_translate callers kvm: add support for memory transaction attributes mtree: also print disabled regions mtree: tag & indent a bit better apic_common: improve readability of apic_reset_common kvm: Silence warning from valgrind Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
		
						commit
						b951cda21d
					
				| 
						 | 
				
			
			@ -1556,6 +1556,17 @@ if test "$static" = "yes" ; then
 | 
			
		|||
  fi
 | 
			
		||||
fi
 | 
			
		||||
 | 
			
		||||
# Unconditional check for compiler __thread support
 | 
			
		||||
  cat > $TMPC << EOF
 | 
			
		||||
static __thread int tls_var;
 | 
			
		||||
int main(void) { return tls_var; }
 | 
			
		||||
EOF
 | 
			
		||||
 | 
			
		||||
if ! compile_prog "-Werror" "" ; then
 | 
			
		||||
    error_exit "Your compiler does not support the __thread specifier for " \
 | 
			
		||||
	"Thread-Local Storage (TLS). Please upgrade to a version that does."
 | 
			
		||||
fi
 | 
			
		||||
 | 
			
		||||
if test "$pie" = ""; then
 | 
			
		||||
  case "$cpu-$targetos" in
 | 
			
		||||
    i386-Linux|x86_64-Linux|x32-Linux|i386-OpenBSD|x86_64-OpenBSD)
 | 
			
		||||
| 
						 | 
				
			
			
 | 
			
		|||
							
								
								
									
										33
									
								
								exec.c
								
								
								
								
							
							
						
						
									
										33
									
								
								exec.c
								
								
								
								
							| 
						 | 
				
			
			@ -373,6 +373,7 @@ static inline bool memory_access_is_direct(MemoryRegion *mr, bool is_write)
 | 
			
		|||
    return false;
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
/* Called from RCU critical section */
 | 
			
		||||
MemoryRegion *address_space_translate(AddressSpace *as, hwaddr addr,
 | 
			
		||||
                                      hwaddr *xlat, hwaddr *plen,
 | 
			
		||||
                                      bool is_write)
 | 
			
		||||
| 
						 | 
				
			
			@ -381,7 +382,6 @@ MemoryRegion *address_space_translate(AddressSpace *as, hwaddr addr,
 | 
			
		|||
    MemoryRegionSection *section;
 | 
			
		||||
    MemoryRegion *mr;
 | 
			
		||||
 | 
			
		||||
    rcu_read_lock();
 | 
			
		||||
    for (;;) {
 | 
			
		||||
        AddressSpaceDispatch *d = atomic_rcu_read(&as->dispatch);
 | 
			
		||||
        section = address_space_translate_internal(d, addr, &addr, plen, true);
 | 
			
		||||
| 
						 | 
				
			
			@ -409,7 +409,6 @@ MemoryRegion *address_space_translate(AddressSpace *as, hwaddr addr,
 | 
			
		|||
    }
 | 
			
		||||
 | 
			
		||||
    *xlat = addr;
 | 
			
		||||
    rcu_read_unlock();
 | 
			
		||||
    return mr;
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
| 
						 | 
				
			
			@ -2329,6 +2328,7 @@ MemTxResult address_space_rw(AddressSpace *as, hwaddr addr, MemTxAttrs attrs,
 | 
			
		|||
    MemoryRegion *mr;
 | 
			
		||||
    MemTxResult result = MEMTX_OK;
 | 
			
		||||
 | 
			
		||||
    rcu_read_lock();
 | 
			
		||||
    while (len > 0) {
 | 
			
		||||
        l = len;
 | 
			
		||||
        mr = address_space_translate(as, addr, &addr1, &l, is_write);
 | 
			
		||||
| 
						 | 
				
			
			@ -2415,6 +2415,7 @@ MemTxResult address_space_rw(AddressSpace *as, hwaddr addr, MemTxAttrs attrs,
 | 
			
		|||
        buf += l;
 | 
			
		||||
        addr += l;
 | 
			
		||||
    }
 | 
			
		||||
    rcu_read_unlock();
 | 
			
		||||
 | 
			
		||||
    return result;
 | 
			
		||||
}
 | 
			
		||||
| 
						 | 
				
			
			@ -2452,6 +2453,7 @@ static inline void cpu_physical_memory_write_rom_internal(AddressSpace *as,
 | 
			
		|||
    hwaddr addr1;
 | 
			
		||||
    MemoryRegion *mr;
 | 
			
		||||
 | 
			
		||||
    rcu_read_lock();
 | 
			
		||||
    while (len > 0) {
 | 
			
		||||
        l = len;
 | 
			
		||||
        mr = address_space_translate(as, addr, &addr1, &l, true);
 | 
			
		||||
| 
						 | 
				
			
			@ -2477,6 +2479,7 @@ static inline void cpu_physical_memory_write_rom_internal(AddressSpace *as,
 | 
			
		|||
        buf += l;
 | 
			
		||||
        addr += l;
 | 
			
		||||
    }
 | 
			
		||||
    rcu_read_unlock();
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
/* used for ROM loading : can write in RAM and ROM */
 | 
			
		||||
| 
						 | 
				
			
			@ -2585,6 +2588,7 @@ bool address_space_access_valid(AddressSpace *as, hwaddr addr, int len, bool is_
 | 
			
		|||
    MemoryRegion *mr;
 | 
			
		||||
    hwaddr l, xlat;
 | 
			
		||||
 | 
			
		||||
    rcu_read_lock();
 | 
			
		||||
    while (len > 0) {
 | 
			
		||||
        l = len;
 | 
			
		||||
        mr = address_space_translate(as, addr, &xlat, &l, is_write);
 | 
			
		||||
| 
						 | 
				
			
			@ -2598,6 +2602,7 @@ bool address_space_access_valid(AddressSpace *as, hwaddr addr, int len, bool is_
 | 
			
		|||
        len -= l;
 | 
			
		||||
        addr += l;
 | 
			
		||||
    }
 | 
			
		||||
    rcu_read_unlock();
 | 
			
		||||
    return true;
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
| 
						 | 
				
			
			@ -2624,9 +2629,12 @@ void *address_space_map(AddressSpace *as,
 | 
			
		|||
    }
 | 
			
		||||
 | 
			
		||||
    l = len;
 | 
			
		||||
    rcu_read_lock();
 | 
			
		||||
    mr = address_space_translate(as, addr, &xlat, &l, is_write);
 | 
			
		||||
 | 
			
		||||
    if (!memory_access_is_direct(mr, is_write)) {
 | 
			
		||||
        if (atomic_xchg(&bounce.in_use, true)) {
 | 
			
		||||
            rcu_read_unlock();
 | 
			
		||||
            return NULL;
 | 
			
		||||
        }
 | 
			
		||||
        /* Avoid unbounded allocations */
 | 
			
		||||
| 
						 | 
				
			
			@ -2642,6 +2650,7 @@ void *address_space_map(AddressSpace *as,
 | 
			
		|||
                               bounce.buffer, l);
 | 
			
		||||
        }
 | 
			
		||||
 | 
			
		||||
        rcu_read_unlock();
 | 
			
		||||
        *plen = l;
 | 
			
		||||
        return bounce.buffer;
 | 
			
		||||
    }
 | 
			
		||||
| 
						 | 
				
			
			@ -2665,6 +2674,7 @@ void *address_space_map(AddressSpace *as,
 | 
			
		|||
    }
 | 
			
		||||
 | 
			
		||||
    memory_region_ref(mr);
 | 
			
		||||
    rcu_read_unlock();
 | 
			
		||||
    *plen = done;
 | 
			
		||||
    return qemu_ram_ptr_length(raddr + base, plen);
 | 
			
		||||
}
 | 
			
		||||
| 
						 | 
				
			
			@ -2728,6 +2738,7 @@ static inline uint32_t address_space_ldl_internal(AddressSpace *as, hwaddr addr,
 | 
			
		|||
    hwaddr addr1;
 | 
			
		||||
    MemTxResult r;
 | 
			
		||||
 | 
			
		||||
    rcu_read_lock();
 | 
			
		||||
    mr = address_space_translate(as, addr, &addr1, &l, false);
 | 
			
		||||
    if (l < 4 || !memory_access_is_direct(mr, false)) {
 | 
			
		||||
        /* I/O case */
 | 
			
		||||
| 
						 | 
				
			
			@ -2762,6 +2773,7 @@ static inline uint32_t address_space_ldl_internal(AddressSpace *as, hwaddr addr,
 | 
			
		|||
    if (result) {
 | 
			
		||||
        *result = r;
 | 
			
		||||
    }
 | 
			
		||||
    rcu_read_unlock();
 | 
			
		||||
    return val;
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
| 
						 | 
				
			
			@ -2814,6 +2826,7 @@ static inline uint64_t address_space_ldq_internal(AddressSpace *as, hwaddr addr,
 | 
			
		|||
    hwaddr addr1;
 | 
			
		||||
    MemTxResult r;
 | 
			
		||||
 | 
			
		||||
    rcu_read_lock();
 | 
			
		||||
    mr = address_space_translate(as, addr, &addr1, &l,
 | 
			
		||||
                                 false);
 | 
			
		||||
    if (l < 8 || !memory_access_is_direct(mr, false)) {
 | 
			
		||||
| 
						 | 
				
			
			@ -2849,6 +2862,7 @@ static inline uint64_t address_space_ldq_internal(AddressSpace *as, hwaddr addr,
 | 
			
		|||
    if (result) {
 | 
			
		||||
        *result = r;
 | 
			
		||||
    }
 | 
			
		||||
    rcu_read_unlock();
 | 
			
		||||
    return val;
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
| 
						 | 
				
			
			@ -2921,6 +2935,7 @@ static inline uint32_t address_space_lduw_internal(AddressSpace *as,
 | 
			
		|||
    hwaddr addr1;
 | 
			
		||||
    MemTxResult r;
 | 
			
		||||
 | 
			
		||||
    rcu_read_lock();
 | 
			
		||||
    mr = address_space_translate(as, addr, &addr1, &l,
 | 
			
		||||
                                 false);
 | 
			
		||||
    if (l < 2 || !memory_access_is_direct(mr, false)) {
 | 
			
		||||
| 
						 | 
				
			
			@ -2956,6 +2971,7 @@ static inline uint32_t address_space_lduw_internal(AddressSpace *as,
 | 
			
		|||
    if (result) {
 | 
			
		||||
        *result = r;
 | 
			
		||||
    }
 | 
			
		||||
    rcu_read_unlock();
 | 
			
		||||
    return val;
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
| 
						 | 
				
			
			@ -3007,6 +3023,7 @@ void address_space_stl_notdirty(AddressSpace *as, hwaddr addr, uint32_t val,
 | 
			
		|||
    hwaddr addr1;
 | 
			
		||||
    MemTxResult r;
 | 
			
		||||
 | 
			
		||||
    rcu_read_lock();
 | 
			
		||||
    mr = address_space_translate(as, addr, &addr1, &l,
 | 
			
		||||
                                 true);
 | 
			
		||||
    if (l < 4 || !memory_access_is_direct(mr, true)) {
 | 
			
		||||
| 
						 | 
				
			
			@ -3029,6 +3046,7 @@ void address_space_stl_notdirty(AddressSpace *as, hwaddr addr, uint32_t val,
 | 
			
		|||
    if (result) {
 | 
			
		||||
        *result = r;
 | 
			
		||||
    }
 | 
			
		||||
    rcu_read_unlock();
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
void stl_phys_notdirty(AddressSpace *as, hwaddr addr, uint32_t val)
 | 
			
		||||
| 
						 | 
				
			
			@ -3049,6 +3067,7 @@ static inline void address_space_stl_internal(AddressSpace *as,
 | 
			
		|||
    hwaddr addr1;
 | 
			
		||||
    MemTxResult r;
 | 
			
		||||
 | 
			
		||||
    rcu_read_lock();
 | 
			
		||||
    mr = address_space_translate(as, addr, &addr1, &l,
 | 
			
		||||
                                 true);
 | 
			
		||||
    if (l < 4 || !memory_access_is_direct(mr, true)) {
 | 
			
		||||
| 
						 | 
				
			
			@ -3083,6 +3102,7 @@ static inline void address_space_stl_internal(AddressSpace *as,
 | 
			
		|||
    if (result) {
 | 
			
		||||
        *result = r;
 | 
			
		||||
    }
 | 
			
		||||
    rcu_read_unlock();
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
void address_space_stl(AddressSpace *as, hwaddr addr, uint32_t val,
 | 
			
		||||
| 
						 | 
				
			
			@ -3152,6 +3172,7 @@ static inline void address_space_stw_internal(AddressSpace *as,
 | 
			
		|||
    hwaddr addr1;
 | 
			
		||||
    MemTxResult r;
 | 
			
		||||
 | 
			
		||||
    rcu_read_lock();
 | 
			
		||||
    mr = address_space_translate(as, addr, &addr1, &l, true);
 | 
			
		||||
    if (l < 2 || !memory_access_is_direct(mr, true)) {
 | 
			
		||||
#if defined(TARGET_WORDS_BIGENDIAN)
 | 
			
		||||
| 
						 | 
				
			
			@ -3185,6 +3206,7 @@ static inline void address_space_stw_internal(AddressSpace *as,
 | 
			
		|||
    if (result) {
 | 
			
		||||
        *result = r;
 | 
			
		||||
    }
 | 
			
		||||
    rcu_read_unlock();
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
void address_space_stw(AddressSpace *as, hwaddr addr, uint32_t val,
 | 
			
		||||
| 
						 | 
				
			
			@ -3322,12 +3344,15 @@ bool cpu_physical_memory_is_io(hwaddr phys_addr)
 | 
			
		|||
{
 | 
			
		||||
    MemoryRegion*mr;
 | 
			
		||||
    hwaddr l = 1;
 | 
			
		||||
    bool res;
 | 
			
		||||
 | 
			
		||||
    rcu_read_lock();
 | 
			
		||||
    mr = address_space_translate(&address_space_memory,
 | 
			
		||||
                                 phys_addr, &phys_addr, &l, false);
 | 
			
		||||
 | 
			
		||||
    return !(memory_region_is_ram(mr) ||
 | 
			
		||||
             memory_region_is_romd(mr));
 | 
			
		||||
    res = !(memory_region_is_ram(mr) || memory_region_is_romd(mr));
 | 
			
		||||
    rcu_read_unlock();
 | 
			
		||||
    return res;
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
void qemu_ram_foreach_block(RAMBlockIterFunc func, void *opaque)
 | 
			
		||||
| 
						 | 
				
			
			
 | 
			
		|||
| 
						 | 
				
			
			@ -233,11 +233,10 @@ static void apic_reset_common(DeviceState *dev)
 | 
			
		|||
{
 | 
			
		||||
    APICCommonState *s = APIC_COMMON(dev);
 | 
			
		||||
    APICCommonClass *info = APIC_COMMON_GET_CLASS(s);
 | 
			
		||||
    bool bsp;
 | 
			
		||||
    uint32_t bsp;
 | 
			
		||||
 | 
			
		||||
    bsp = cpu_is_bsp(s->cpu);
 | 
			
		||||
    s->apicbase = APIC_DEFAULT_ADDRESS |
 | 
			
		||||
        (bsp ? MSR_IA32_APICBASE_BSP : 0) | MSR_IA32_APICBASE_ENABLE;
 | 
			
		||||
    bsp = s->apicbase & MSR_IA32_APICBASE_BSP;
 | 
			
		||||
    s->apicbase = APIC_DEFAULT_ADDRESS | bsp | MSR_IA32_APICBASE_ENABLE;
 | 
			
		||||
 | 
			
		||||
    s->vapic_paddr = 0;
 | 
			
		||||
    info->vapic_base_update(s);
 | 
			
		||||
| 
						 | 
				
			
			
 | 
			
		|||
| 
						 | 
				
			
			@ -270,13 +270,14 @@ static void vfio_iommu_map_notify(Notifier *n, void *data)
 | 
			
		|||
     * this IOMMU to its immediate target.  We need to translate
 | 
			
		||||
     * it the rest of the way through to memory.
 | 
			
		||||
     */
 | 
			
		||||
    rcu_read_lock();
 | 
			
		||||
    mr = address_space_translate(&address_space_memory,
 | 
			
		||||
                                 iotlb->translated_addr,
 | 
			
		||||
                                 &xlat, &len, iotlb->perm & IOMMU_WO);
 | 
			
		||||
    if (!memory_region_is_ram(mr)) {
 | 
			
		||||
        error_report("iommu map to non memory area %"HWADDR_PRIx"",
 | 
			
		||||
                     xlat);
 | 
			
		||||
        return;
 | 
			
		||||
        goto out;
 | 
			
		||||
    }
 | 
			
		||||
    /*
 | 
			
		||||
     * Translation truncates length to the IOMMU page size,
 | 
			
		||||
| 
						 | 
				
			
			@ -284,7 +285,7 @@ static void vfio_iommu_map_notify(Notifier *n, void *data)
 | 
			
		|||
     */
 | 
			
		||||
    if (len & iotlb->addr_mask) {
 | 
			
		||||
        error_report("iommu has granularity incompatible with target AS");
 | 
			
		||||
        return;
 | 
			
		||||
        goto out;
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    if ((iotlb->perm & IOMMU_RW) != IOMMU_NONE) {
 | 
			
		||||
| 
						 | 
				
			
			@ -307,6 +308,8 @@ static void vfio_iommu_map_notify(Notifier *n, void *data)
 | 
			
		|||
                         iotlb->addr_mask + 1, ret);
 | 
			
		||||
        }
 | 
			
		||||
    }
 | 
			
		||||
out:
 | 
			
		||||
    rcu_read_unlock();
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
static void vfio_listener_region_add(MemoryListener *listener,
 | 
			
		||||
| 
						 | 
				
			
			
 | 
			
		|||
| 
						 | 
				
			
			@ -1233,7 +1233,9 @@ void address_space_stq(AddressSpace *as, hwaddr addr, uint64_t val,
 | 
			
		|||
#endif
 | 
			
		||||
 | 
			
		||||
/* address_space_translate: translate an address range into an address space
 | 
			
		||||
 * into a MemoryRegion and an address range into that section
 | 
			
		||||
 * into a MemoryRegion and an address range into that section.  Should be
 | 
			
		||||
 * called from an RCU critical section, to avoid that the last reference
 | 
			
		||||
 * to the returned region disappears after address_space_translate returns.
 | 
			
		||||
 *
 | 
			
		||||
 * @as: #AddressSpace to be accessed
 | 
			
		||||
 * @addr: address within that address space
 | 
			
		||||
| 
						 | 
				
			
			
 | 
			
		|||
| 
						 | 
				
			
			@ -18,6 +18,7 @@
 | 
			
		|||
#include "config-host.h"
 | 
			
		||||
#include "qemu/queue.h"
 | 
			
		||||
#include "qom/cpu.h"
 | 
			
		||||
#include "exec/memattrs.h"
 | 
			
		||||
 | 
			
		||||
#ifdef CONFIG_KVM
 | 
			
		||||
#include <linux/kvm.h>
 | 
			
		||||
| 
						 | 
				
			
			@ -254,7 +255,7 @@ int kvm_create_device(KVMState *s, uint64_t type, bool test);
 | 
			
		|||
extern const KVMCapabilityInfo kvm_arch_required_capabilities[];
 | 
			
		||||
 | 
			
		||||
void kvm_arch_pre_run(CPUState *cpu, struct kvm_run *run);
 | 
			
		||||
void kvm_arch_post_run(CPUState *cpu, struct kvm_run *run);
 | 
			
		||||
MemTxAttrs kvm_arch_post_run(CPUState *cpu, struct kvm_run *run);
 | 
			
		||||
 | 
			
		||||
int kvm_arch_handle_exit(CPUState *cpu, struct kvm_run *run);
 | 
			
		||||
 | 
			
		||||
| 
						 | 
				
			
			
 | 
			
		|||
							
								
								
									
										21
									
								
								kvm-all.c
								
								
								
								
							
							
						
						
									
										21
									
								
								kvm-all.c
								
								
								
								
							| 
						 | 
				
			
			@ -1669,14 +1669,14 @@ void kvm_set_sigmask_len(KVMState *s, unsigned int sigmask_len)
 | 
			
		|||
    s->sigmask_len = sigmask_len;
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
static void kvm_handle_io(uint16_t port, void *data, int direction, int size,
 | 
			
		||||
                          uint32_t count)
 | 
			
		||||
static void kvm_handle_io(uint16_t port, MemTxAttrs attrs, void *data, int direction,
 | 
			
		||||
                          int size, uint32_t count)
 | 
			
		||||
{
 | 
			
		||||
    int i;
 | 
			
		||||
    uint8_t *ptr = data;
 | 
			
		||||
 | 
			
		||||
    for (i = 0; i < count; i++) {
 | 
			
		||||
        address_space_rw(&address_space_io, port, MEMTXATTRS_UNSPECIFIED,
 | 
			
		||||
        address_space_rw(&address_space_io, port, attrs,
 | 
			
		||||
                         ptr, size,
 | 
			
		||||
                         direction == KVM_EXIT_IO_OUT);
 | 
			
		||||
        ptr += size;
 | 
			
		||||
| 
						 | 
				
			
			@ -1796,6 +1796,8 @@ int kvm_cpu_exec(CPUState *cpu)
 | 
			
		|||
    }
 | 
			
		||||
 | 
			
		||||
    do {
 | 
			
		||||
        MemTxAttrs attrs;
 | 
			
		||||
 | 
			
		||||
        if (cpu->kvm_vcpu_dirty) {
 | 
			
		||||
            kvm_arch_put_registers(cpu, KVM_PUT_RUNTIME_STATE);
 | 
			
		||||
            cpu->kvm_vcpu_dirty = false;
 | 
			
		||||
| 
						 | 
				
			
			@ -1816,7 +1818,7 @@ int kvm_cpu_exec(CPUState *cpu)
 | 
			
		|||
        run_ret = kvm_vcpu_ioctl(cpu, KVM_RUN, 0);
 | 
			
		||||
 | 
			
		||||
        qemu_mutex_lock_iothread();
 | 
			
		||||
        kvm_arch_post_run(cpu, run);
 | 
			
		||||
        attrs = kvm_arch_post_run(cpu, run);
 | 
			
		||||
 | 
			
		||||
        if (run_ret < 0) {
 | 
			
		||||
            if (run_ret == -EINTR || run_ret == -EAGAIN) {
 | 
			
		||||
| 
						 | 
				
			
			@ -1834,7 +1836,7 @@ int kvm_cpu_exec(CPUState *cpu)
 | 
			
		|||
        switch (run->exit_reason) {
 | 
			
		||||
        case KVM_EXIT_IO:
 | 
			
		||||
            DPRINTF("handle_io\n");
 | 
			
		||||
            kvm_handle_io(run->io.port,
 | 
			
		||||
            kvm_handle_io(run->io.port, attrs,
 | 
			
		||||
                          (uint8_t *)run + run->io.data_offset,
 | 
			
		||||
                          run->io.direction,
 | 
			
		||||
                          run->io.size,
 | 
			
		||||
| 
						 | 
				
			
			@ -1843,10 +1845,11 @@ int kvm_cpu_exec(CPUState *cpu)
 | 
			
		|||
            break;
 | 
			
		||||
        case KVM_EXIT_MMIO:
 | 
			
		||||
            DPRINTF("handle_mmio\n");
 | 
			
		||||
            cpu_physical_memory_rw(run->mmio.phys_addr,
 | 
			
		||||
                                   run->mmio.data,
 | 
			
		||||
                                   run->mmio.len,
 | 
			
		||||
                                   run->mmio.is_write);
 | 
			
		||||
            address_space_rw(&address_space_memory,
 | 
			
		||||
                             run->mmio.phys_addr, attrs,
 | 
			
		||||
                             run->mmio.data,
 | 
			
		||||
                             run->mmio.len,
 | 
			
		||||
                             run->mmio.is_write);
 | 
			
		||||
            ret = 0;
 | 
			
		||||
            break;
 | 
			
		||||
        case KVM_EXIT_IRQ_WINDOW_OPEN:
 | 
			
		||||
| 
						 | 
				
			
			
 | 
			
		|||
							
								
								
									
										23
									
								
								memory.c
								
								
								
								
							
							
						
						
									
										23
									
								
								memory.c
								
								
								
								
							| 
						 | 
				
			
			@ -2089,7 +2089,7 @@ static void mtree_print_mr(fprintf_function mon_printf, void *f,
 | 
			
		|||
    const MemoryRegion *submr;
 | 
			
		||||
    unsigned int i;
 | 
			
		||||
 | 
			
		||||
    if (!mr || !mr->enabled) {
 | 
			
		||||
    if (!mr) {
 | 
			
		||||
        return;
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
| 
						 | 
				
			
			@ -2115,7 +2115,7 @@ static void mtree_print_mr(fprintf_function mon_printf, void *f,
 | 
			
		|||
        }
 | 
			
		||||
        mon_printf(f, TARGET_FMT_plx "-" TARGET_FMT_plx
 | 
			
		||||
                   " (prio %d, %c%c): alias %s @%s " TARGET_FMT_plx
 | 
			
		||||
                   "-" TARGET_FMT_plx "\n",
 | 
			
		||||
                   "-" TARGET_FMT_plx "%s\n",
 | 
			
		||||
                   base + mr->addr,
 | 
			
		||||
                   base + mr->addr
 | 
			
		||||
                   + (int128_nz(mr->size) ?
 | 
			
		||||
| 
						 | 
				
			
			@ -2131,10 +2131,11 @@ static void mtree_print_mr(fprintf_function mon_printf, void *f,
 | 
			
		|||
                   mr->alias_offset
 | 
			
		||||
                   + (int128_nz(mr->size) ?
 | 
			
		||||
                      (hwaddr)int128_get64(int128_sub(mr->size,
 | 
			
		||||
                                                      int128_one())) : 0));
 | 
			
		||||
                                                      int128_one())) : 0),
 | 
			
		||||
                   mr->enabled ? "" : " [disabled]");
 | 
			
		||||
    } else {
 | 
			
		||||
        mon_printf(f,
 | 
			
		||||
                   TARGET_FMT_plx "-" TARGET_FMT_plx " (prio %d, %c%c): %s\n",
 | 
			
		||||
                   TARGET_FMT_plx "-" TARGET_FMT_plx " (prio %d, %c%c): %s%s\n",
 | 
			
		||||
                   base + mr->addr,
 | 
			
		||||
                   base + mr->addr
 | 
			
		||||
                   + (int128_nz(mr->size) ?
 | 
			
		||||
| 
						 | 
				
			
			@ -2144,7 +2145,8 @@ static void mtree_print_mr(fprintf_function mon_printf, void *f,
 | 
			
		|||
                   mr->romd_mode ? 'R' : '-',
 | 
			
		||||
                   !mr->readonly && !(mr->rom_device && mr->romd_mode) ? 'W'
 | 
			
		||||
                                                                       : '-',
 | 
			
		||||
                   memory_region_name(mr));
 | 
			
		||||
                   memory_region_name(mr),
 | 
			
		||||
                   mr->enabled ? "" : " [disabled]");
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    QTAILQ_INIT(&submr_print_queue);
 | 
			
		||||
| 
						 | 
				
			
			@ -2185,15 +2187,16 @@ void mtree_info(fprintf_function mon_printf, void *f)
 | 
			
		|||
    QTAILQ_INIT(&ml_head);
 | 
			
		||||
 | 
			
		||||
    QTAILQ_FOREACH(as, &address_spaces, address_spaces_link) {
 | 
			
		||||
        mon_printf(f, "%s\n", as->name);
 | 
			
		||||
        mtree_print_mr(mon_printf, f, as->root, 0, 0, &ml_head);
 | 
			
		||||
        mon_printf(f, "address-space: %s\n", as->name);
 | 
			
		||||
        mtree_print_mr(mon_printf, f, as->root, 1, 0, &ml_head);
 | 
			
		||||
        mon_printf(f, "\n");
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    mon_printf(f, "aliases\n");
 | 
			
		||||
    /* print aliased regions */
 | 
			
		||||
    QTAILQ_FOREACH(ml, &ml_head, queue) {
 | 
			
		||||
        mon_printf(f, "%s\n", memory_region_name(ml->mr));
 | 
			
		||||
        mtree_print_mr(mon_printf, f, ml->mr, 0, 0, &ml_head);
 | 
			
		||||
        mon_printf(f, "memory-region: %s\n", memory_region_name(ml->mr));
 | 
			
		||||
        mtree_print_mr(mon_printf, f, ml->mr, 1, 0, &ml_head);
 | 
			
		||||
        mon_printf(f, "\n");
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    QTAILQ_FOREACH_SAFE(ml, &ml_head, queue, ml2) {
 | 
			
		||||
| 
						 | 
				
			
			
 | 
			
		|||
							
								
								
									
										57
									
								
								nbd.c
								
								
								
								
							
							
						
						
									
										57
									
								
								nbd.c
								
								
								
								
							| 
						 | 
				
			
			@ -86,6 +86,59 @@
 | 
			
		|||
#define NBD_OPT_ABORT           (2)
 | 
			
		||||
#define NBD_OPT_LIST            (3)
 | 
			
		||||
 | 
			
		||||
/* NBD errors are based on errno numbers, so there is a 1:1 mapping,
 | 
			
		||||
 * but only a limited set of errno values is specified in the protocol.
 | 
			
		||||
 * Everything else is squashed to EINVAL.
 | 
			
		||||
 */
 | 
			
		||||
#define NBD_SUCCESS    0
 | 
			
		||||
#define NBD_EPERM      1
 | 
			
		||||
#define NBD_EIO        5
 | 
			
		||||
#define NBD_ENOMEM     12
 | 
			
		||||
#define NBD_EINVAL     22
 | 
			
		||||
#define NBD_ENOSPC     28
 | 
			
		||||
 | 
			
		||||
static int system_errno_to_nbd_errno(int err)
 | 
			
		||||
{
 | 
			
		||||
    switch (err) {
 | 
			
		||||
    case 0:
 | 
			
		||||
        return NBD_SUCCESS;
 | 
			
		||||
    case EPERM:
 | 
			
		||||
        return NBD_EPERM;
 | 
			
		||||
    case EIO:
 | 
			
		||||
        return NBD_EIO;
 | 
			
		||||
    case ENOMEM:
 | 
			
		||||
        return NBD_ENOMEM;
 | 
			
		||||
#ifdef EDQUOT
 | 
			
		||||
    case EDQUOT:
 | 
			
		||||
#endif
 | 
			
		||||
    case EFBIG:
 | 
			
		||||
    case ENOSPC:
 | 
			
		||||
        return NBD_ENOSPC;
 | 
			
		||||
    case EINVAL:
 | 
			
		||||
    default:
 | 
			
		||||
        return NBD_EINVAL;
 | 
			
		||||
    }
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
static int nbd_errno_to_system_errno(int err)
 | 
			
		||||
{
 | 
			
		||||
    switch (err) {
 | 
			
		||||
    case NBD_SUCCESS:
 | 
			
		||||
        return 0;
 | 
			
		||||
    case NBD_EPERM:
 | 
			
		||||
        return EPERM;
 | 
			
		||||
    case NBD_EIO:
 | 
			
		||||
        return EIO;
 | 
			
		||||
    case NBD_ENOMEM:
 | 
			
		||||
        return ENOMEM;
 | 
			
		||||
    case NBD_ENOSPC:
 | 
			
		||||
        return ENOSPC;
 | 
			
		||||
    case NBD_EINVAL:
 | 
			
		||||
    default:
 | 
			
		||||
        return EINVAL;
 | 
			
		||||
    }
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
/* Definitions for opaque data types */
 | 
			
		||||
 | 
			
		||||
typedef struct NBDRequest NBDRequest;
 | 
			
		||||
| 
						 | 
				
			
			@ -856,6 +909,8 @@ ssize_t nbd_receive_reply(int csock, struct nbd_reply *reply)
 | 
			
		|||
    reply->error  = be32_to_cpup((uint32_t*)(buf + 4));
 | 
			
		||||
    reply->handle = be64_to_cpup((uint64_t*)(buf + 8));
 | 
			
		||||
 | 
			
		||||
    reply->error = nbd_errno_to_system_errno(reply->error);
 | 
			
		||||
 | 
			
		||||
    TRACE("Got reply: "
 | 
			
		||||
          "{ magic = 0x%x, .error = %d, handle = %" PRIu64" }",
 | 
			
		||||
          magic, reply->error, reply->handle);
 | 
			
		||||
| 
						 | 
				
			
			@ -872,6 +927,8 @@ static ssize_t nbd_send_reply(int csock, struct nbd_reply *reply)
 | 
			
		|||
    uint8_t buf[NBD_REPLY_SIZE];
 | 
			
		||||
    ssize_t ret;
 | 
			
		||||
 | 
			
		||||
    reply->error = system_errno_to_nbd_errno(reply->error);
 | 
			
		||||
 | 
			
		||||
    /* Reply
 | 
			
		||||
       [ 0 ..  3]    magic   (NBD_REPLY_MAGIC)
 | 
			
		||||
       [ 4 ..  7]    error   (0 == no error)
 | 
			
		||||
| 
						 | 
				
			
			
 | 
			
		|||
| 
						 | 
				
			
			@ -102,7 +102,8 @@ endif
 | 
			
		|||
%.o: %.dtrace
 | 
			
		||||
	$(call quiet-command,dtrace -o $@ -G -s $<, "  GEN   $(TARGET_DIR)$@")
 | 
			
		||||
 | 
			
		||||
%$(DSOSUF): CFLAGS += -fPIC -DBUILD_DSO
 | 
			
		||||
DSO_OBJ_CFLAGS := -fPIC -DBUILD_DSO
 | 
			
		||||
module-common.o: CFLAGS += $(DSO_OBJ_CFLAGS)
 | 
			
		||||
%$(DSOSUF): LDFLAGS += $(LDFLAGS_SHARED)
 | 
			
		||||
%$(DSOSUF): %.mo
 | 
			
		||||
	$(call LINK,$^)
 | 
			
		||||
| 
						 | 
				
			
			@ -351,6 +352,7 @@ define unnest-vars
 | 
			
		|||
        # For non-module build, add -m to -y
 | 
			
		||||
        $(if $(CONFIG_MODULES),
 | 
			
		||||
             $(foreach o,$($v),
 | 
			
		||||
                   $(eval $($o-objs): CFLAGS += $(DSO_OBJ_CFLAGS))
 | 
			
		||||
                   $(eval $o: $($o-objs)))
 | 
			
		||||
             $(eval $(patsubst %-m,%-y,$v) += $($v))
 | 
			
		||||
             $(eval modules: $($v:%.mo=%$(DSOSUF))),
 | 
			
		||||
| 
						 | 
				
			
			
 | 
			
		|||
| 
						 | 
				
			
			@ -23,6 +23,7 @@
 | 
			
		|||
#include "cpu.h"
 | 
			
		||||
#include "internals.h"
 | 
			
		||||
#include "hw/arm/arm.h"
 | 
			
		||||
#include "exec/memattrs.h"
 | 
			
		||||
 | 
			
		||||
const KVMCapabilityInfo kvm_arch_required_capabilities[] = {
 | 
			
		||||
    KVM_CAP_LAST_INFO
 | 
			
		||||
| 
						 | 
				
			
			@ -506,8 +507,9 @@ void kvm_arch_pre_run(CPUState *cs, struct kvm_run *run)
 | 
			
		|||
{
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
void kvm_arch_post_run(CPUState *cs, struct kvm_run *run)
 | 
			
		||||
MemTxAttrs kvm_arch_post_run(CPUState *cs, struct kvm_run *run)
 | 
			
		||||
{
 | 
			
		||||
    return MEMTXATTRS_UNSPECIFIED;
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
int kvm_arch_handle_exit(CPUState *cs, struct kvm_run *run)
 | 
			
		||||
| 
						 | 
				
			
			
 | 
			
		|||
| 
						 | 
				
			
			@ -37,6 +37,7 @@
 | 
			
		|||
#include "hw/pci/pci.h"
 | 
			
		||||
#include "migration/migration.h"
 | 
			
		||||
#include "qapi/qmp/qerror.h"
 | 
			
		||||
#include "exec/memattrs.h"
 | 
			
		||||
 | 
			
		||||
//#define DEBUG_KVM
 | 
			
		||||
 | 
			
		||||
| 
						 | 
				
			
			@ -2246,7 +2247,7 @@ void kvm_arch_pre_run(CPUState *cpu, struct kvm_run *run)
 | 
			
		|||
    }
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
void kvm_arch_post_run(CPUState *cpu, struct kvm_run *run)
 | 
			
		||||
MemTxAttrs kvm_arch_post_run(CPUState *cpu, struct kvm_run *run)
 | 
			
		||||
{
 | 
			
		||||
    X86CPU *x86_cpu = X86_CPU(cpu);
 | 
			
		||||
    CPUX86State *env = &x86_cpu->env;
 | 
			
		||||
| 
						 | 
				
			
			@ -2258,6 +2259,7 @@ void kvm_arch_post_run(CPUState *cpu, struct kvm_run *run)
 | 
			
		|||
    }
 | 
			
		||||
    cpu_set_apic_tpr(x86_cpu->apic_state, run->cr8);
 | 
			
		||||
    cpu_set_apic_base(x86_cpu->apic_state, run->apic_base);
 | 
			
		||||
    return MEMTXATTRS_UNSPECIFIED;
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
int kvm_arch_process_async_events(CPUState *cs)
 | 
			
		||||
| 
						 | 
				
			
			
 | 
			
		|||
| 
						 | 
				
			
			@ -23,6 +23,7 @@
 | 
			
		|||
#include "cpu.h"
 | 
			
		||||
#include "sysemu/cpus.h"
 | 
			
		||||
#include "kvm_mips.h"
 | 
			
		||||
#include "exec/memattrs.h"
 | 
			
		||||
 | 
			
		||||
#define DEBUG_KVM 0
 | 
			
		||||
 | 
			
		||||
| 
						 | 
				
			
			@ -110,9 +111,10 @@ void kvm_arch_pre_run(CPUState *cs, struct kvm_run *run)
 | 
			
		|||
    }
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
void kvm_arch_post_run(CPUState *cs, struct kvm_run *run)
 | 
			
		||||
MemTxAttrs kvm_arch_post_run(CPUState *cs, struct kvm_run *run)
 | 
			
		||||
{
 | 
			
		||||
    DPRINTF("%s\n", __func__);
 | 
			
		||||
    return MEMTXATTRS_UNSPECIFIED;
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
int kvm_arch_process_async_events(CPUState *cs)
 | 
			
		||||
| 
						 | 
				
			
			
 | 
			
		|||
| 
						 | 
				
			
			@ -39,6 +39,7 @@
 | 
			
		|||
#include "sysemu/watchdog.h"
 | 
			
		||||
#include "trace.h"
 | 
			
		||||
#include "exec/gdbstub.h"
 | 
			
		||||
#include "exec/memattrs.h"
 | 
			
		||||
 | 
			
		||||
//#define DEBUG_KVM
 | 
			
		||||
 | 
			
		||||
| 
						 | 
				
			
			@ -1270,8 +1271,9 @@ void kvm_arch_pre_run(CPUState *cs, struct kvm_run *run)
 | 
			
		|||
     * anyways, so we will get a chance to deliver the rest. */
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
void kvm_arch_post_run(CPUState *cpu, struct kvm_run *run)
 | 
			
		||||
MemTxAttrs kvm_arch_post_run(CPUState *cs, struct kvm_run *run)
 | 
			
		||||
{
 | 
			
		||||
    return MEMTXATTRS_UNSPECIFIED;
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
int kvm_arch_process_async_events(CPUState *cs)
 | 
			
		||||
| 
						 | 
				
			
			
 | 
			
		|||
| 
						 | 
				
			
			@ -45,6 +45,7 @@
 | 
			
		|||
#include "hw/s390x/s390-pci-bus.h"
 | 
			
		||||
#include "hw/s390x/ipl.h"
 | 
			
		||||
#include "hw/s390x/ebcdic.h"
 | 
			
		||||
#include "exec/memattrs.h"
 | 
			
		||||
 | 
			
		||||
/* #define DEBUG_KVM */
 | 
			
		||||
 | 
			
		||||
| 
						 | 
				
			
			@ -780,8 +781,9 @@ void kvm_arch_pre_run(CPUState *cpu, struct kvm_run *run)
 | 
			
		|||
{
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
void kvm_arch_post_run(CPUState *cpu, struct kvm_run *run)
 | 
			
		||||
MemTxAttrs kvm_arch_post_run(CPUState *cs, struct kvm_run *run)
 | 
			
		||||
{
 | 
			
		||||
    return MEMTXATTRS_UNSPECIFIED;
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
int kvm_arch_process_async_events(CPUState *cs)
 | 
			
		||||
| 
						 | 
				
			
			
 | 
			
		|||
| 
						 | 
				
			
			@ -1416,14 +1416,17 @@ void tb_invalidate_phys_addr(AddressSpace *as, hwaddr addr)
 | 
			
		|||
    MemoryRegion *mr;
 | 
			
		||||
    hwaddr l = 1;
 | 
			
		||||
 | 
			
		||||
    rcu_read_lock();
 | 
			
		||||
    mr = address_space_translate(as, addr, &addr, &l, false);
 | 
			
		||||
    if (!(memory_region_is_ram(mr)
 | 
			
		||||
          || memory_region_is_romd(mr))) {
 | 
			
		||||
        rcu_read_unlock();
 | 
			
		||||
        return;
 | 
			
		||||
    }
 | 
			
		||||
    ram_addr = (memory_region_get_ram_addr(mr) & TARGET_PAGE_MASK)
 | 
			
		||||
        + addr;
 | 
			
		||||
    tb_invalidate_phys_page_range(ram_addr, ram_addr + 1, 0);
 | 
			
		||||
    rcu_read_unlock();
 | 
			
		||||
}
 | 
			
		||||
#endif /* !defined(CONFIG_USER_ONLY) */
 | 
			
		||||
 | 
			
		||||
| 
						 | 
				
			
			
 | 
			
		|||
		Loading…
	
		Reference in New Issue