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[PATCH v2 5/7] hw/ide: Do ide_drive_get() within pci_ide_create_devs()


From: BALATON Zoltan
Subject: [PATCH v2 5/7] hw/ide: Do ide_drive_get() within pci_ide_create_devs()
Date: Tue, 17 Mar 2020 10:39:17 +0100

The pci_ide_create_devs() function takes a hd_table parameter but all
callers just pass what ide_drive_get() returns so we can do it locally
simplifying callers and removing hd_table parameter.

Signed-off-by: BALATON Zoltan <address@hidden>
Reviewed-by: Mark Cave-Ayland <address@hidden>
Reviewed-by: Markus Armbruster <address@hidden>
---
 hw/alpha/dp264.c              | 13 +++----------
 hw/i386/pc_piix.c             |  9 +++++----
 hw/ide/pci.c                  |  4 +++-
 hw/isa/piix4.c                | 10 ++--------
 hw/mips/mips_fulong2e.c       |  4 +---
 hw/mips/mips_malta.c          |  2 +-
 hw/sparc64/sun4u.c            |  6 +-----
 include/hw/ide/pci.h          |  2 +-
 include/hw/southbridge/piix.h |  3 +--
 9 files changed, 18 insertions(+), 35 deletions(-)

diff --git a/hw/alpha/dp264.c b/hw/alpha/dp264.c
index 27595767e5..f7751b18f6 100644
--- a/hw/alpha/dp264.c
+++ b/hw/alpha/dp264.c
@@ -15,7 +15,6 @@
 #include "qemu/error-report.h"
 #include "sysemu/sysemu.h"
 #include "hw/rtc/mc146818rtc.h"
-#include "hw/ide.h"
 #include "hw/ide/pci.h"
 #include "hw/timer/i8254.h"
 #include "hw/isa/superio.h"
@@ -58,6 +57,7 @@ static void clipper_init(MachineState *machine)
     const char *initrd_filename = machine->initrd_filename;
     AlphaCPU *cpus[4];
     PCIBus *pci_bus;
+    PCIDevice *pci_dev;
     ISABus *isa_bus;
     qemu_irq rtc_irq;
     long size, i;
@@ -100,15 +100,8 @@ static void clipper_init(MachineState *machine)
     isa_create_simple(isa_bus, TYPE_SMC37C669_SUPERIO);
 
     /* IDE disk setup.  */
-    {
-        DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
-        PCIDevice *pci_dev;
-
-        ide_drive_get(hd, ARRAY_SIZE(hd));
-
-        pci_dev = pci_create_simple(pci_bus, -1, "cmd646-ide");
-        pci_ide_create_devs(pci_dev, hd);
-    }
+    pci_dev = pci_create_simple(pci_bus, -1, "cmd646-ide");
+    pci_ide_create_devs(pci_dev);
 
     /* Load PALcode.  Given that this is not "real" cpu palcode,
        but one explicitly written for the emulation, we might as
diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c
index c399398739..9216596ec6 100644
--- a/hw/i386/pc_piix.c
+++ b/hw/i386/pc_piix.c
@@ -86,7 +86,6 @@ static void pc_init1(MachineState *machine,
     int piix3_devfn = -1;
     qemu_irq smi_irq;
     GSIState *gsi_state;
-    DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
     BusState *idebus[MAX_IDE_BUS];
     ISADevice *rtc_state;
     MemoryRegion *ram_memory;
@@ -240,20 +239,22 @@ static void pc_init1(MachineState *machine,
 
     pc_nic_init(pcmc, isa_bus, pci_bus);
 
-    ide_drive_get(hd, ARRAY_SIZE(hd));
     if (pcmc->pci_enabled) {
         PCIDevice *dev;
 
         dev = pci_create_simple(pci_bus, piix3_devfn + 1,
                                 xen_enabled() ? "piix3-ide-xen" : "piix3-ide");
-        pci_ide_create_devs(dev, hd);
+        pci_ide_create_devs(dev);
         idebus[0] = qdev_get_child_bus(&dev->qdev, "ide.0");
         idebus[1] = qdev_get_child_bus(&dev->qdev, "ide.1");
         pc_cmos_init(pcms, idebus[0], idebus[1], rtc_state);
     }
 #ifdef CONFIG_IDE_ISA
-else {
+    else {
+        DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
         int i;
+
+        ide_drive_get(hd, ARRAY_SIZE(hd));
         for (i = 0; i < MAX_IDE_BUS; i++) {
             ISADevice *dev;
             char busname[] = "ide.0";
diff --git a/hw/ide/pci.c b/hw/ide/pci.c
index e0c84392e2..97347f07f1 100644
--- a/hw/ide/pci.c
+++ b/hw/ide/pci.c
@@ -477,13 +477,15 @@ const VMStateDescription vmstate_ide_pci = {
 };
 
 /* hd_table must contain 4 block drivers */
-void pci_ide_create_devs(PCIDevice *dev, DriveInfo **hd_table)
+void pci_ide_create_devs(PCIDevice *dev)
 {
     PCIIDEState *d = PCI_IDE(dev);
+    DriveInfo *hd_table[2 * MAX_IDE_DEVS];
     static const int bus[4]  = { 0, 0, 1, 1 };
     static const int unit[4] = { 0, 1, 0, 1 };
     int i;
 
+    ide_drive_get(hd_table, ARRAY_SIZE(hd_table));
     for (i = 0; i < 4; i++) {
         if (hd_table[i]) {
             ide_create_drive(d->bus + bus[i], unit[i], hd_table[i]);
diff --git a/hw/isa/piix4.c b/hw/isa/piix4.c
index 0ab4787658..13fa1660c3 100644
--- a/hw/isa/piix4.c
+++ b/hw/isa/piix4.c
@@ -241,11 +241,8 @@ static void piix4_register_types(void)
 
 type_init(piix4_register_types)
 
-DeviceState *piix4_create(PCIBus *pci_bus, ISABus **isa_bus,
-                          I2CBus **smbus, size_t ide_buses)
+DeviceState *piix4_create(PCIBus *pci_bus, ISABus **isa_bus, I2CBus **smbus)
 {
-    size_t ide_drives = ide_buses * MAX_IDE_DEVS;
-    DriveInfo **hd;
     PCIDevice *pci;
     DeviceState *dev;
 
@@ -257,10 +254,7 @@ DeviceState *piix4_create(PCIBus *pci_bus, ISABus 
**isa_bus,
     }
 
     pci = pci_create_simple(pci_bus, pci->devfn + 1, "piix4-ide");
-    hd = g_new(DriveInfo *, ide_drives);
-    ide_drive_get(hd, ide_drives);
-    pci_ide_create_devs(pci, hd);
-    g_free(hd);
+    pci_ide_create_devs(pci);
 
     pci_create_simple(pci_bus, pci->devfn + 2, "piix4-usb-uhci");
     if (smbus) {
diff --git a/hw/mips/mips_fulong2e.c b/hw/mips/mips_fulong2e.c
index 639ba2a091..0f312b5a35 100644
--- a/hw/mips/mips_fulong2e.c
+++ b/hw/mips/mips_fulong2e.c
@@ -239,7 +239,6 @@ static void vt82c686b_southbridge_init(PCIBus *pci_bus, int 
slot, qemu_irq intc,
 {
     qemu_irq *i8259;
     ISABus *isa_bus;
-    DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
     PCIDevice *dev;
 
     isa_bus = vt82c686b_isa_init(pci_bus, PCI_DEVFN(slot, 0));
@@ -259,8 +258,7 @@ static void vt82c686b_southbridge_init(PCIBus *pci_bus, int 
slot, qemu_irq intc,
     isa_create_simple(isa_bus, TYPE_VT82C686B_SUPERIO);
 
     dev = pci_create_simple(pci_bus, PCI_DEVFN(slot, 1), "via-ide");
-    ide_drive_get(hd, ARRAY_SIZE(hd));
-    pci_ide_create_devs(dev, hd);
+    pci_ide_create_devs(dev);
 
     pci_create_simple(pci_bus, PCI_DEVFN(slot, 2), "vt82c686b-usb-uhci");
     pci_create_simple(pci_bus, PCI_DEVFN(slot, 3), "vt82c686b-usb-uhci");
diff --git a/hw/mips/mips_malta.c b/hw/mips/mips_malta.c
index d380f73d7b..e4c4de1b4e 100644
--- a/hw/mips/mips_malta.c
+++ b/hw/mips/mips_malta.c
@@ -1403,7 +1403,7 @@ void mips_malta_init(MachineState *machine)
     pci_bus = gt64120_register(s->i8259);
 
     /* Southbridge */
-    dev = piix4_create(pci_bus, &isa_bus, &smbus, MAX_IDE_BUS);
+    dev = piix4_create(pci_bus, &isa_bus, &smbus);
 
     /* Interrupt controller */
     qdev_connect_gpio_out_named(dev, "intr", 0, i8259_irq);
diff --git a/hw/sparc64/sun4u.c b/hw/sparc64/sun4u.c
index d33e84f831..6abfcb30f8 100644
--- a/hw/sparc64/sun4u.c
+++ b/hw/sparc64/sun4u.c
@@ -50,7 +50,6 @@
 #include "hw/sparc/sparc64.h"
 #include "hw/nvram/fw_cfg.h"
 #include "hw/sysbus.h"
-#include "hw/ide.h"
 #include "hw/ide/pci.h"
 #include "hw/loader.h"
 #include "hw/fw-path-provider.h"
@@ -563,7 +562,6 @@ static void sun4uv_init(MemoryRegion *address_space_mem,
     PCIBus *pci_bus, *pci_busA, *pci_busB;
     PCIDevice *ebus, *pci_dev;
     SysBusDevice *s;
-    DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
     DeviceState *iommu, *dev;
     FWCfgState *fw_cfg;
     NICInfo *nd;
@@ -663,12 +661,10 @@ static void sun4uv_init(MemoryRegion *address_space_mem,
         qemu_macaddr_default_if_unset(&macaddr);
     }
 
-    ide_drive_get(hd, ARRAY_SIZE(hd));
-
     pci_dev = pci_create(pci_busA, PCI_DEVFN(3, 0), "cmd646-ide");
     qdev_prop_set_uint32(&pci_dev->qdev, "secondary", 1);
     qdev_init_nofail(&pci_dev->qdev);
-    pci_ide_create_devs(pci_dev, hd);
+    pci_ide_create_devs(pci_dev);
 
     /* Map NVRAM into I/O (ebus) space */
     nvram = m48t59_init(NULL, 0, 0, NVRAM_SIZE, 1968, 59);
diff --git a/include/hw/ide/pci.h b/include/hw/ide/pci.h
index 98ffa7dfcd..dd504e5a0b 100644
--- a/include/hw/ide/pci.h
+++ b/include/hw/ide/pci.h
@@ -63,7 +63,7 @@ static inline IDEState *bmdma_active_if(BMDMAState *bmdma)
 void bmdma_init(IDEBus *bus, BMDMAState *bm, PCIIDEState *d);
 void bmdma_cmd_writeb(BMDMAState *bm, uint32_t val);
 extern MemoryRegionOps bmdma_addr_ioport_ops;
-void pci_ide_create_devs(PCIDevice *dev, DriveInfo **hd_table);
+void pci_ide_create_devs(PCIDevice *dev);
 
 extern const VMStateDescription vmstate_ide_pci;
 extern const MemoryRegionOps pci_ide_cmd_le_ops;
diff --git a/include/hw/southbridge/piix.h b/include/hw/southbridge/piix.h
index 152628c6d9..02bd741209 100644
--- a/include/hw/southbridge/piix.h
+++ b/include/hw/southbridge/piix.h
@@ -68,7 +68,6 @@ extern PCIDevice *piix4_dev;
 
 PIIX3State *piix3_create(PCIBus *pci_bus, ISABus **isa_bus);
 
-DeviceState *piix4_create(PCIBus *pci_bus, ISABus **isa_bus,
-                          I2CBus **smbus, size_t ide_buses);
+DeviceState *piix4_create(PCIBus *pci_bus, ISABus **isa_bus, I2CBus **smbus);
 
 #endif
-- 
2.21.1




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