Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging

* Record-replay lockstep execution, log dumper and fixes (Alex, Pavel)
* SCSI fix to pass maximum transfer size (Daniel Barboza)
* chardev fixes and improved iothread support (Daniel Berrangé, Peter)
* checkpatch tweak (Eric)
* make help tweak (Marc-André)
* make more PCI NICs available with -net or -nic (myself)
* change default q35 NIC to e1000e (myself)
* SCSI support for NDOB bit (myself)
* membarrier system call support (myself)
* SuperIO refactoring (Philippe)
* miscellaneous cleanups and fixes (Thomas)

# gpg: Signature made Mon 12 Mar 2018 16:10:52 GMT
# gpg:                using RSA key BFFBD25F78C7AE83
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>"
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>"
# 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: (69 commits)
  tcg: fix cpu_io_recompile
  replay: update documentation
  replay: save vmstate of the asynchronous events
  replay: don't process async events when warping the clock
  scripts/replay-dump.py: replay log dumper
  replay: avoid recursive call of checkpoints
  replay: check return values of fwrite
  replay: push replay_mutex_lock up the call tree
  replay: don't destroy mutex at exit
  replay: make locking visible outside replay code
  replay/replay-internal.c: track holding of replay_lock
  replay/replay.c: bump REPLAY_VERSION again
  replay: save prior value of the host clock
  replay: added replay log format description
  replay: fix save/load vm for non-empty queue
  replay: fixed replay_enable_events
  replay: fix processing async events
  cpu-exec: fix exception_index handling
  hw/i386/pc: Factor out the superio code
  hw/alpha/dp264: Use the TYPE_SMC37C669_SUPERIO
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

# Conflicts:
#	default-configs/i386-softmmu.mak
#	default-configs/x86_64-softmmu.mak

4 files changed, 24 insertions, 8 deletions

diff --git a/hw/scsi/esp.c b/hw/scsi/esp.c
index 45975c21e8..64ec285826 100644
--- a/hw/scsi/esp.c
+++ b/hw/scsi/esp.c
@@ -618,11 +618,11 @@ static const MemoryRegionOps sysbus_esp_mem_ops = {
     .valid.accepts = esp_mem_accepts,
 };
 
-void esp_init(hwaddr espaddr, int it_shift,
-              ESPDMAMemoryReadWriteFunc dma_memory_read,
-              ESPDMAMemoryReadWriteFunc dma_memory_write,
-              void *dma_opaque, qemu_irq irq, qemu_irq *reset,
-              qemu_irq *dma_enable)
+ESPState *esp_init(hwaddr espaddr, int it_shift,
+                   ESPDMAMemoryReadWriteFunc dma_memory_read,
+                   ESPDMAMemoryReadWriteFunc dma_memory_write,
+                   void *dma_opaque, qemu_irq irq, qemu_irq *reset,
+                   qemu_irq *dma_enable)
 {
     DeviceState *dev;
     SysBusDevice *s;
@@ -644,6 +644,8 @@ void esp_init(hwaddr espaddr, int it_shift,
     sysbus_mmio_map(s, 0, espaddr);
     *reset = qdev_get_gpio_in(dev, 0);
     *dma_enable = qdev_get_gpio_in(dev, 1);
+
+    return esp;
 }
 
 static const struct SCSIBusInfo esp_scsi_info = {
diff --git a/hw/scsi/mptendian.c b/hw/scsi/mptendian.c
index 3415229b5e..8ae39a76f4 100644
--- a/hw/scsi/mptendian.c
+++ b/hw/scsi/mptendian.c
@@ -24,7 +24,6 @@
 #include "hw/hw.h"
 #include "hw/pci/pci.h"
 #include "sysemu/dma.h"
-#include "sysemu/block-backend.h"
 #include "hw/pci/msi.h"
 #include "qemu/iov.h"
 #include "hw/scsi/scsi.h"
diff --git a/hw/scsi/scsi-bus.c b/hw/scsi/scsi-bus.c
index 1eaeffc830..9646743a7d 100644
--- a/hw/scsi/scsi-bus.c
+++ b/hw/scsi/scsi-bus.c
@@ -944,7 +944,7 @@ static int scsi_req_xfer(SCSICommand *cmd, SCSIDevice *dev, uint8_t *buf)
         break;
     case WRITE_SAME_10:
     case WRITE_SAME_16:
-        cmd->xfer = dev->blocksize;
+        cmd->xfer = buf[1] & 1 ? 0 : dev->blocksize;
         break;
     case READ_CAPACITY_10:
         cmd->xfer = 8;
diff --git a/hw/scsi/scsi-disk.c b/hw/scsi/scsi-disk.c
index 49d2559d93..5b7a48f5a5 100644
--- a/hw/scsi/scsi-disk.c
+++ b/hw/scsi/scsi-disk.c
@@ -704,6 +704,21 @@ static int scsi_disk_emulate_inquiry(SCSIRequest *req, uint8_t *outbuf)
                         page_code);
                 return -1;
             }
+            if (s->qdev.type == TYPE_DISK) {
+                int max_transfer_blk = blk_get_max_transfer(s->qdev.conf.blk);
+                int max_io_sectors_blk =
+                    max_transfer_blk / s->qdev.blocksize;
+
+                max_io_sectors =
+                    MIN_NON_ZERO(max_io_sectors_blk, max_io_sectors);
+
+                /* min_io_size and opt_io_size can't be greater than
+                 * max_io_sectors */
+                min_io_size =
+                    MIN_NON_ZERO(min_io_size, max_io_sectors);
+                opt_io_size =
+                    MIN_NON_ZERO(opt_io_size, max_io_sectors);
+            }
             /* required VPD size with unmap support */
             buflen = 0x40;
             memset(outbuf + 4, 0, buflen - 4);
@@ -1792,7 +1807,7 @@ static void scsi_disk_emulate_write_same(SCSIDiskReq *r, uint8_t *inbuf)
         return;
     }
 
-    if (buffer_is_zero(inbuf, s->qdev.blocksize)) {
+    if ((req->cmd.buf[1] & 0x1) || buffer_is_zero(inbuf, s->qdev.blocksize)) {
         int flags = (req->cmd.buf[1] & 0x8) ? BDRV_REQ_MAY_UNMAP : 0;
 
         /* The request is used as the AIO opaque value, so add a ref.  */