[PATCH v2 0/2] Export struct ISAParallelState

[PATCH v2 0/2] Export struct ISAParallelState

[Bernhard Beschow]

This series incorporates rebased versions of the ISAParallelState patches of
[1] as requested by Mark.

v2:
* Add forgotten SoB tags (Zoltan, Phil)

Changes since [1]:
* Don't export register definitions (Phil)
* Rephrase commit message of second patch (Zoltan)

[1] https://patchew.org/QEMU/20230521123049.312349-1-shentey@gmail.com/

Bernhard Beschow (2):
  hw/char/parallel: Export struct ParallelState
  hw/char/parallel-isa: Export struct ISAParallelState

 include/hw/char/parallel-isa.h | 46 ++++++++++++++++++++++++++++++++++
 include/hw/char/parallel.h     | 21 +++++++++++++++-
 hw/char/parallel-isa.c         |  1 +
 hw/char/parallel.c             | 32 +----------------------
 hw/i386/pc_piix.c              |  2 +-
 hw/i386/pc_q35.c               |  2 +-
 hw/isa/isa-superio.c           |  1 +
 hw/sparc64/sun4u.c             |  2 +-
 8 files changed, 72 insertions(+), 35 deletions(-)
 create mode 100644 include/hw/char/parallel-isa.h

-- 
2.41.0

[PATCH v2 1/2] hw/char/parallel: Export struct ParallelState

[Bernhard Beschow]

Exporting ParallelState is a precondition for exporing TYPE_ISA_PARALLEL to be
performed in the next patch.

Suggested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
---
 include/hw/char/parallel.h | 21 +++++++++++++++++++++
 hw/char/parallel.c         | 20 --------------------
 2 files changed, 21 insertions(+), 20 deletions(-)

diff --git a/include/hw/char/parallel.h b/include/hw/char/parallel.h
index 29d2876d00..9f76edca81 100644
--- a/include/hw/char/parallel.h
+++ b/include/hw/char/parallel.h
@@ -1,9 +1,30 @@
 #ifndef HW_PARALLEL_H
 #define HW_PARALLEL_H
 
+#include "exec/ioport.h"
+#include "exec/memory.h"
 #include "hw/isa/isa.h"
+#include "hw/irq.h"
+#include "chardev/char-fe.h"
 #include "chardev/char.h"
 
+typedef struct ParallelState {
+    MemoryRegion iomem;
+    uint8_t dataw;
+    uint8_t datar;
+    uint8_t status;
+    uint8_t control;
+    qemu_irq irq;
+    int irq_pending;
+    CharBackend chr;
+    int hw_driver;
+    int epp_timeout;
+    uint32_t last_read_offset; /* For debugging */
+    /* Memory-mapped interface */
+    int it_shift;
+    PortioList portio_list;
+} ParallelState;
+
 #define TYPE_ISA_PARALLEL "isa-parallel"
 
 void parallel_hds_isa_init(ISABus *bus, int n);
diff --git a/hw/char/parallel.c b/hw/char/parallel.c
index 3d32589bb3..e75fc5019d 100644
--- a/hw/char/parallel.c
+++ b/hw/char/parallel.c
@@ -27,10 +27,7 @@
 #include "qapi/error.h"
 #include "qemu/module.h"
 #include "chardev/char-parallel.h"
-#include "chardev/char-fe.h"
 #include "hw/acpi/acpi_aml_interface.h"
-#include "hw/irq.h"
-#include "hw/isa/isa.h"
 #include "hw/qdev-properties.h"
 #include "hw/qdev-properties-system.h"
 #include "migration/vmstate.h"
@@ -76,23 +73,6 @@
 
 #define PARA_CTR_SIGNAL (PARA_CTR_SELECT|PARA_CTR_INIT|PARA_CTR_AUTOLF|PARA_CTR_STROBE)
 
-typedef struct ParallelState {
-    MemoryRegion iomem;
-    uint8_t dataw;
-    uint8_t datar;
-    uint8_t status;
-    uint8_t control;
-    qemu_irq irq;
-    int irq_pending;
-    CharBackend chr;
-    int hw_driver;
-    int epp_timeout;
-    uint32_t last_read_offset; /* For debugging */
-    /* Memory-mapped interface */
-    int it_shift;
-    PortioList portio_list;
-} ParallelState;
-
 OBJECT_DECLARE_SIMPLE_TYPE(ISAParallelState, ISA_PARALLEL)
 
 struct ISAParallelState {
-- 
2.41.0

[PATCH v2 2/2] hw/char/parallel-isa: Export struct ISAParallelState

[Bernhard Beschow]

Allows the struct to be embedded directly into device models without additional
allocation.

Suggested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
---
 include/hw/char/parallel-isa.h | 46 ++++++++++++++++++++++++++++++++++
 include/hw/char/parallel.h     |  2 --
 hw/char/parallel-isa.c         |  1 +
 hw/char/parallel.c             | 12 +--------
 hw/i386/pc_piix.c              |  2 +-
 hw/i386/pc_q35.c               |  2 +-
 hw/isa/isa-superio.c           |  1 +
 hw/sparc64/sun4u.c             |  2 +-
 8 files changed, 52 insertions(+), 16 deletions(-)
 create mode 100644 include/hw/char/parallel-isa.h

diff --git a/include/hw/char/parallel-isa.h b/include/hw/char/parallel-isa.h
new file mode 100644
index 0000000000..27bdacf1a3
--- /dev/null
+++ b/include/hw/char/parallel-isa.h
@@ -0,0 +1,46 @@
+/*
+ * QEMU ISA Parallel PORT emulation
+ *
+ * Copyright (c) 2003-2005 Fabrice Bellard
+ * Copyright (c) 2007 Marko Kohtala
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#ifndef HW_PARALLEL_ISA_H
+#define HW_PARALLEL_ISA_H
+
+#include "parallel.h"
+
+#include "hw/isa/isa.h"
+#include "qom/object.h"
+
+#define TYPE_ISA_PARALLEL "isa-parallel"
+OBJECT_DECLARE_SIMPLE_TYPE(ISAParallelState, ISA_PARALLEL)
+
+struct ISAParallelState {
+    ISADevice parent_obj;
+
+    uint32_t index;
+    uint32_t iobase;
+    uint32_t isairq;
+    ParallelState state;
+};
+
+#endif /* HW_PARALLEL_ISA_H */
diff --git a/include/hw/char/parallel.h b/include/hw/char/parallel.h
index 9f76edca81..7b5a309a03 100644
--- a/include/hw/char/parallel.h
+++ b/include/hw/char/parallel.h
@@ -25,8 +25,6 @@ typedef struct ParallelState {
     PortioList portio_list;
 } ParallelState;
 
-#define TYPE_ISA_PARALLEL "isa-parallel"
-
 void parallel_hds_isa_init(ISABus *bus, int n);
 
 bool parallel_mm_init(MemoryRegion *address_space,
diff --git a/hw/char/parallel-isa.c b/hw/char/parallel-isa.c
index 547ae69304..ab0f879998 100644
--- a/hw/char/parallel-isa.c
+++ b/hw/char/parallel-isa.c
@@ -13,6 +13,7 @@
 #include "sysemu/sysemu.h"
 #include "hw/isa/isa.h"
 #include "hw/qdev-properties.h"
+#include "hw/char/parallel-isa.h"
 #include "hw/char/parallel.h"
 #include "qapi/error.h"
 
diff --git a/hw/char/parallel.c b/hw/char/parallel.c
index e75fc5019d..147c900f0d 100644
--- a/hw/char/parallel.c
+++ b/hw/char/parallel.c
@@ -31,6 +31,7 @@
 #include "hw/qdev-properties.h"
 #include "hw/qdev-properties-system.h"
 #include "migration/vmstate.h"
+#include "hw/char/parallel-isa.h"
 #include "hw/char/parallel.h"
 #include "sysemu/reset.h"
 #include "sysemu/sysemu.h"
@@ -73,17 +74,6 @@
 
 #define PARA_CTR_SIGNAL (PARA_CTR_SELECT|PARA_CTR_INIT|PARA_CTR_AUTOLF|PARA_CTR_STROBE)
 
-OBJECT_DECLARE_SIMPLE_TYPE(ISAParallelState, ISA_PARALLEL)
-
-struct ISAParallelState {
-    ISADevice parent_obj;
-
-    uint32_t index;
-    uint32_t iobase;
-    uint32_t isairq;
-    ParallelState state;
-};
-
 static void parallel_update_irq(ParallelState *s)
 {
     if (s->irq_pending)
diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c
index 42af03dbb4..44146e6ff5 100644
--- a/hw/i386/pc_piix.c
+++ b/hw/i386/pc_piix.c
@@ -26,7 +26,7 @@
 #include CONFIG_DEVICES
 
 #include "qemu/units.h"
-#include "hw/char/parallel.h"
+#include "hw/char/parallel-isa.h"
 #include "hw/dma/i8257.h"
 #include "hw/loader.h"
 #include "hw/i386/x86.h"
diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c
index 6155427e48..a9a59ed42b 100644
--- a/hw/i386/pc_q35.c
+++ b/hw/i386/pc_q35.c
@@ -30,7 +30,7 @@
 
 #include "qemu/osdep.h"
 #include "qemu/units.h"
-#include "hw/char/parallel.h"
+#include "hw/char/parallel-isa.h"
 #include "hw/loader.h"
 #include "hw/i2c/smbus_eeprom.h"
 #include "hw/rtc/mc146818rtc.h"
diff --git a/hw/isa/isa-superio.c b/hw/isa/isa-superio.c
index 9292ec3bcf..7dbfc374da 100644
--- a/hw/isa/isa-superio.c
+++ b/hw/isa/isa-superio.c
@@ -21,6 +21,7 @@
 #include "hw/isa/superio.h"
 #include "hw/qdev-properties.h"
 #include "hw/input/i8042.h"
+#include "hw/char/parallel-isa.h"
 #include "hw/char/serial.h"
 #include "trace.h"
 
diff --git a/hw/sparc64/sun4u.c b/hw/sparc64/sun4u.c
index e2858a0331..29e9b6cc26 100644
--- a/hw/sparc64/sun4u.c
+++ b/hw/sparc64/sun4u.c
@@ -35,7 +35,7 @@
 #include "hw/qdev-properties.h"
 #include "hw/pci-host/sabre.h"
 #include "hw/char/serial.h"
-#include "hw/char/parallel.h"
+#include "hw/char/parallel-isa.h"
 #include "hw/rtc/m48t59.h"
 #include "migration/vmstate.h"
 #include "hw/input/i8042.h"
-- 
2.41.0

Re: [PATCH v2 0/2] Export struct ISAParallelState

[Mark Cave-Ayland]

On 12/06/2023 09:12, Bernhard Beschow wrote:

> This series incorporates rebased versions of the ISAParallelState patches of
> [1] as requested by Mark.
> 
> v2:
> * Add forgotten SoB tags (Zoltan, Phil)
> 
> Changes since [1]:
> * Don't export register definitions (Phil)
> * Rephrase commit message of second patch (Zoltan)
> 
> [1] https://patchew.org/QEMU/20230521123049.312349-1-shentey@gmail.com/
> 
> Bernhard Beschow (2):
>    hw/char/parallel: Export struct ParallelState
>    hw/char/parallel-isa: Export struct ISAParallelState
> 
>   include/hw/char/parallel-isa.h | 46 ++++++++++++++++++++++++++++++++++
>   include/hw/char/parallel.h     | 21 +++++++++++++++-
>   hw/char/parallel-isa.c         |  1 +
>   hw/char/parallel.c             | 32 +----------------------
>   hw/i386/pc_piix.c              |  2 +-
>   hw/i386/pc_q35.c               |  2 +-
>   hw/isa/isa-superio.c           |  1 +
>   hw/sparc64/sun4u.c             |  2 +-
>   8 files changed, 72 insertions(+), 35 deletions(-)
>   create mode 100644 include/hw/char/parallel-isa.h

Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>


ATB,

Mark.

Re: [PATCH v2 0/2] Export struct ISAParallelState

[Philippe Mathieu-Daudé]

On 12/6/23 10:12, Bernhard Beschow wrote:
> This series incorporates rebased versions of the ISAParallelState patches of
> [1] as requested by Mark.

> Bernhard Beschow (2):
>    hw/char/parallel: Export struct ParallelState
>    hw/char/parallel-isa: Export struct ISAParallelState

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>

Re: [PATCH v2 0/2] Export struct ISAParallelState

[Philippe Mathieu-Daudé]

On 12/6/23 10:12, Bernhard Beschow wrote:
> This series incorporates rebased versions of the ISAParallelState patches of
> [1] as requested by Mark.

> Bernhard Beschow (2):
>    hw/char/parallel: Export struct ParallelState
>    hw/char/parallel-isa: Export struct ISAParallelState

Thanks, queued (updating MAINTAINERS in patch 2).