[PULL 10/10] ide, vl: turn -win2k-hack into a property on IDE devices

From: Paolo Bonzini <pbonzini@redhat.com>
To: qemu-devel@nongnu.org
Cc: "Philippe Mathieu-Daudé" <philmd@linaro.org>
Subject: [PULL 10/10] ide, vl: turn -win2k-hack into a property on IDE devices
Date: Wed, 28 Feb 2024 09:06:46 +0100	[thread overview]
Message-ID: <20240228080646.261365-11-pbonzini@redhat.com> (raw)
In-Reply-To: <20240228080646.261365-1-pbonzini@redhat.com>

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 include/hw/ide/ide-dev.h | 2 ++
 include/sysemu/sysemu.h  | 1 -
 hw/ide/core.c            | 3 ++-
 hw/ide/ide-dev.c         | 1 +
 system/globals.c         | 1 -
 system/vl.c              | 2 +-
 qemu-options.hx          | 3 ++-
 7 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/include/hw/ide/ide-dev.h b/include/hw/ide/ide-dev.h
index 708cc0fda34..9a0d71db4e1 100644
--- a/include/hw/ide/ide-dev.h
+++ b/include/hw/ide/ide-dev.h
@@ -65,6 +65,7 @@ struct IDEState {
     int drive_serial;
     char drive_serial_str[21];
     char drive_model_str[41];
+    bool win2k_install_hack;
     uint64_t wwn;
     /* ide regs */
     uint8_t feature;
@@ -163,6 +164,7 @@ struct IDEDevice {
      * 0xffff        - reserved
      */
     uint16_t rotation_rate;
+    bool win2k_install_hack;
 };
 
 typedef struct IDEDrive {
diff --git a/include/sysemu/sysemu.h b/include/sysemu/sysemu.h
index 73a37949c24..eb1dc1e4eda 100644
--- a/include/sysemu/sysemu.h
+++ b/include/sysemu/sysemu.h
@@ -41,7 +41,6 @@ extern int graphic_height;
 extern int graphic_depth;
 extern int display_opengl;
 extern const char *keyboard_layout;
-extern int win2k_install_hack;
 extern int graphic_rotate;
 extern int old_param;
 extern uint8_t *boot_splash_filedata;
diff --git a/hw/ide/core.c b/hw/ide/core.c
index 3c42d72ac25..3f8c0ede2a1 100644
--- a/hw/ide/core.c
+++ b/hw/ide/core.c
@@ -1059,7 +1059,7 @@ static void ide_sector_write_cb(void *opaque, int ret)
                            ide_sector_write);
     }
 
-    if (win2k_install_hack && ((++s->irq_count % 16) == 0)) {
+    if (s->win2k_install_hack && ((++s->irq_count % 16) == 0)) {
         /* It seems there is a bug in the Windows 2000 installer HDD
            IDE driver which fills the disk with empty logs when the
            IDE write IRQ comes too early. This hack tries to correct
@@ -2597,6 +2597,7 @@ int ide_init_drive(IDEState *s, IDEDevice *dev, IDEDriveKind kind, Error **errp)
     s->drive_kind = kind;
 
     blk_get_geometry(s->blk, &nb_sectors);
+    s->win2k_install_hack = dev->win2k_install_hack;
     s->cylinders = dev->conf.cyls;
     s->heads = s->drive_heads = dev->conf.heads;
     s->sectors = s->drive_sectors = dev->conf.secs;
diff --git a/hw/ide/ide-dev.c b/hw/ide/ide-dev.c
index 900f80faf19..99f2f1226cf 100644
--- a/hw/ide/ide-dev.c
+++ b/hw/ide/ide-dev.c
@@ -31,6 +31,7 @@
 
 static Property ide_props[] = {
     DEFINE_PROP_UINT32("unit", IDEDevice, unit, -1),
+    DEFINE_PROP_BOOL("win2k-install-hack", IDEDevice, win2k_install_hack, false),
     DEFINE_PROP_END_OF_LIST(),
 };
 
diff --git a/system/globals.c b/system/globals.c
index 5d0046ba105..e3535842010 100644
--- a/system/globals.c
+++ b/system/globals.c
@@ -40,7 +40,6 @@ int autostart = 1;
 int vga_interface_type = VGA_NONE;
 bool vga_interface_created;
 Chardev *parallel_hds[MAX_PARALLEL_PORTS];
-int win2k_install_hack;
 int graphic_rotate;
 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
 int nb_option_roms;
diff --git a/system/vl.c b/system/vl.c
index 98bf0c386b4..e480afd7a00 100644
--- a/system/vl.c
+++ b/system/vl.c
@@ -3265,7 +3265,7 @@ void qemu_init(int argc, char **argv)
                 pid_file = optarg;
                 break;
             case QEMU_OPTION_win2k_hack:
-                win2k_install_hack = 1;
+                object_register_sugar_prop("ide-device", "win2k-install-hack", "true", true);
                 break;
             case QEMU_OPTION_acpitable:
                 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
diff --git a/qemu-options.hx b/qemu-options.hx
index 1136642c21d..9a47385c157 100644
--- a/qemu-options.hx
+++ b/qemu-options.hx
@@ -2641,7 +2641,8 @@ SRST
 ``-win2k-hack``
     Use it when installing Windows 2000 to avoid a disk full bug. After
     Windows 2000 is installed, you no longer need this option (this
-    option slows down the IDE transfers).
+    option slows down the IDE transfers).  Synonym of ``-global
+    ide-device.win2k-install-hack=on``.
 ERST
 
 DEF("no-fd-bootchk", 0, QEMU_OPTION_no_fd_bootchk,
-- 
2.43.2


