hw/ide/ahci: Convert AHCIState::ports to unsigned

AHCIState::ports should be unsigned. Besides, we never
check it for negative value. It is unlikely it was ever
used with more than INT32_MAX ports, so it is safe to
convert it to unsigned.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20240213081201.78951-7-philmd@linaro.org>

diff --git a/hw/ide/ahci.c b/hw/ide/ahci.c
index bac1871a318dc09b6bd874f12f0f9639968fa239..2c3306dae45ec69c6d0f9c65c0f051e6894a0bde 100644 (file)
--- a/hw/ide/ahci.c
+++ b/hw/ide/ahci.c
@@ -1819,7 +1819,7 @@ const VMStateDescription vmstate_ahci = {
     .version_id = 1,
     .post_load = ahci_state_post_load,
     .fields = (const VMStateField[]) {
-        VMSTATE_STRUCT_VARRAY_POINTER_INT32(dev, AHCIState, ports,
+        VMSTATE_STRUCT_VARRAY_POINTER_UINT32(dev, AHCIState, ports,
                                      vmstate_ahci_device, AHCIDevice),
         VMSTATE_UINT32(control_regs.cap, AHCIState),
         VMSTATE_UINT32(control_regs.ghc, AHCIState),
@@ -1827,7 +1827,7 @@ const VMStateDescription vmstate_ahci = {
         VMSTATE_UINT32(control_regs.impl, AHCIState),
         VMSTATE_UINT32(control_regs.version, AHCIState),
         VMSTATE_UINT32(idp_index, AHCIState),
-        VMSTATE_INT32_EQUAL(ports, AHCIState, NULL),
+        VMSTATE_UINT32_EQUAL(ports, AHCIState, NULL),
         VMSTATE_END_OF_LIST()
     },
 };

diff --git a/include/hw/ide/ahci.h b/include/hw/ide/ahci.h
index 8cd55b1333d122f5613091da24de0bf066ad4a78..604d3a09941acaa628ce7e8d8bf6d0d92d4b5fe2 100644 (file)
--- a/include/hw/ide/ahci.h
+++ b/include/hw/ide/ahci.h
@@ -46,7 +46,7 @@ typedef struct AHCIState {
     MemoryRegion idp;       /* Index-Data Pair I/O port space */
     unsigned idp_offset;    /* Offset of index in I/O port space */
     uint32_t idp_index;     /* Current IDP index */
-    int32_t ports;
+    uint32_t ports;
     qemu_irq irq;
     AddressSpace *as;
 } AHCIState;