[Qemu-devel] [PULL 38/47] hw/vfio: Use the IEC binary prefix definitions

[Paolo Bonzini <pbonzini@redhat.com>]

From: Philippe Mathieu-Daudé <f4bug@amsat.org>

It eases code review, unit is explicit.

Patch generated using:

  $ git grep -E '(1024|2048|4096|8192|(<<|>>).?(10|20|30))' hw/ include/hw/

and modified manually.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20180625124238.25339-38-f4bug@amsat.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 hw/vfio/pci-quirks.c | 9 +++++----
 hw/vfio/pci.c        | 3 ++-
 2 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/hw/vfio/pci-quirks.c b/hw/vfio/pci-quirks.c
index 061259b..481fd08 100644
--- a/hw/vfio/pci-quirks.c
+++ b/hw/vfio/pci-quirks.c
@@ -11,6 +11,7 @@
  */
 
 #include "qemu/osdep.h"
+#include "qemu/units.h"
 #include "qemu/error-report.h"
 #include "qemu/main-loop.h"
 #include "qemu/range.h"
@@ -1448,9 +1449,9 @@ static int vfio_igd_gtt_max(VFIOPCIDevice *vdev)
         ggms = 1 << ggms;
     }
 
-    ggms *= 1024 * 1024;
+    ggms *= MiB;
 
-    return (ggms / (4 * 1024)) * (gen < 8 ? 4 : 8);
+    return (ggms / (4 * KiB)) * (gen < 8 ? 4 : 8);
 }
 
 /*
@@ -1705,7 +1706,7 @@ static void vfio_probe_igd_bar4_quirk(VFIOPCIDevice *vdev, int nr)
     igd->vdev = vdev;
     igd->index = ~0;
     igd->bdsm = vfio_pci_read_config(&vdev->pdev, IGD_BDSM, 4);
-    igd->bdsm &= ~((1 << 20) - 1); /* 1MB aligned */
+    igd->bdsm &= ~((1 * MiB) - 1); /* 1MB aligned */
 
     memory_region_init_io(&quirk->mem[0], OBJECT(vdev), &vfio_igd_index_quirk,
                           igd, "vfio-igd-index-quirk", 4);
@@ -1752,7 +1753,7 @@ static void vfio_probe_igd_bar4_quirk(VFIOPCIDevice *vdev, int nr)
      * config offset 0x5C.
      */
     bdsm_size = g_malloc(sizeof(*bdsm_size));
-    *bdsm_size = cpu_to_le64((ggms_mb + gms_mb) * 1024 * 1024);
+    *bdsm_size = cpu_to_le64((ggms_mb + gms_mb) * MiB);
     fw_cfg_add_file(fw_cfg_find(), "etc/igd-bdsm-size",
                     bdsm_size, sizeof(*bdsm_size));
 
diff --git a/hw/vfio/pci.c b/hw/vfio/pci.c
index 18c493b..a1577de 100644
--- a/hw/vfio/pci.c
+++ b/hw/vfio/pci.c
@@ -28,6 +28,7 @@
 #include "qemu/error-report.h"
 #include "qemu/option.h"
 #include "qemu/range.h"
+#include "qemu/units.h"
 #include "sysemu/kvm.h"
 #include "sysemu/sysemu.h"
 #include "pci.h"
@@ -1417,7 +1418,7 @@ static void vfio_pci_relocate_msix(VFIOPCIDevice *vdev, Error **errp)
     }
 
     /* 2GB max size for 32-bit BARs, cannot double if already > 1G */
-    if (vdev->bars[target_bar].size > (1 * 1024 * 1024 * 1024) &&
+    if (vdev->bars[target_bar].size > 1 * GiB &&
         !vdev->bars[target_bar].mem64) {
         error_setg(errp, "Invalid MSI-X relocation BAR %d, "
                    "no space to extend 32-bit BAR", target_bar);
-- 
1.8.3.1