Allow clock_gettime() monotonic clock to be utilized on more OS's

[qemu.git] / hw / lsi53c895a.c

diff --git a/hw/lsi53c895a.c b/hw/lsi53c895a.c
index edc09b730787bf17d66172dceae62d622b723266..5a8bf4d0e9b33a46d860502effec9ad5b934f533 100644 (file)
--- a/hw/lsi53c895a.c
+++ b/hw/lsi53c895a.c
@@ -12,11 +12,10 @@
 
 #include <assert.h>
 
-#include "hw.h"
-#include "pci.h"
-#include "scsi.h"
-#include "block_int.h"
-#include "dma.h"
+#include "hw/hw.h"
+#include "hw/pci/pci.h"
+#include "hw/scsi.h"
+#include "sysemu/dma.h"
 
 //#define DEBUG_LSI
 //#define DEBUG_LSI_REG
@@ -283,8 +282,6 @@ static inline int lsi_irq_on_rsl(LSIState *s)
 
 static void lsi_soft_reset(LSIState *s)
 {
-    lsi_request *p;
-
     DPRINTF("Reset\n");
     s->carry = 0;
 
@@ -351,15 +348,8 @@ static void lsi_soft_reset(LSIState *s)
     s->sbc = 0;
     s->csbc = 0;
     s->sbr = 0;
-    while (!QTAILQ_EMPTY(&s->queue)) {
-        p = QTAILQ_FIRST(&s->queue);
-        QTAILQ_REMOVE(&s->queue, p, next);
-        g_free(p);
-    }
-    if (s->current) {
-        g_free(s->current);
-        s->current = NULL;
-    }
+    assert(QTAILQ_EMPTY(&s->queue));
+    assert(!s->current);
 }
 
 static int lsi_dma_40bit(LSIState *s)
@@ -651,23 +641,24 @@ static lsi_request *lsi_find_by_tag(LSIState *s, uint32_t tag)
     return NULL;
 }
 
+static void lsi_request_free(LSIState *s, lsi_request *p)
+{
+    if (p == s->current) {
+        s->current = NULL;
+    } else {
+        QTAILQ_REMOVE(&s->queue, p, next);
+    }
+    g_free(p);
+}
+
 static void lsi_request_cancelled(SCSIRequest *req)
 {
     LSIState *s = DO_UPCAST(LSIState, dev.qdev, req->bus->qbus.parent);
     lsi_request *p = req->hba_private;
 
-    if (s->current && req == s->current->req) {
-        scsi_req_unref(req);
-        g_free(s->current);
-        s->current = NULL;
-        return;
-    }
-
-    if (p) {
-        QTAILQ_REMOVE(&s->queue, p, next);
-        scsi_req_unref(req);
-        g_free(p);
-    }
+    req->hba_private = NULL;
+    lsi_request_free(s, p);
+    scsi_req_unref(req);
 }
 
 /* Record that data is available for a queued command.  Returns zero if
@@ -715,10 +706,10 @@ static void lsi_command_complete(SCSIRequest *req, uint32_t status, size_t resid
         lsi_set_phase(s, PHASE_ST);
     }
 
-    if (s->current && req == s->current->req) {
-        scsi_req_unref(s->current->req);
-        g_free(s->current);
-        s->current = NULL;
+    if (req->hba_private == s->current) {
+        req->hba_private = NULL;
+        lsi_request_free(s, s->current);
+        scsi_req_unref(req);
     }
     lsi_resume_script(s);
 }
@@ -729,7 +720,8 @@ static void lsi_transfer_data(SCSIRequest *req, uint32_t len)
     LSIState *s = DO_UPCAST(LSIState, dev.qdev, req->bus->qbus.parent);
     int out;
 
-    if (s->waiting == 1 || !s->current || req->hba_private != s->current ||
+    assert(req->hba_private);
+    if (s->waiting == 1 || req->hba_private != s->current ||
         (lsi_irq_on_rsl(s) && !(s->scntl1 & LSI_SCNTL1_CON))) {
         if (lsi_queue_req(s, req, len)) {
             return;
@@ -1678,11 +1670,7 @@ static void lsi_reg_writeb(LSIState *s, int offset, uint8_t val)
         }
         if (val & LSI_SCNTL1_RST) {
             if (!(s->sstat0 & LSI_SSTAT0_RST)) {
-                DeviceState *dev;
-
-                QTAILQ_FOREACH(dev, &s->bus.qbus.children, sibling) {
-                    device_reset(dev);
-                }
+                qbus_reset_all(&s->bus.qbus);
                 s->sstat0 |= LSI_SSTAT0_RST;
                 lsi_script_scsi_interrupt(s, LSI_SIST0_RST, 0);
             }
@@ -1738,7 +1726,7 @@ static void lsi_reg_writeb(LSIState *s, int offset, uint8_t val)
             lsi_execute_script(s);
         }
         if (val & LSI_ISTAT0_SRST) {
-            lsi_soft_reset(s);
+            qdev_reset_all(&s->dev.qdev);
         }
         break;
     case 0x16: /* MBOX0 */
@@ -1885,7 +1873,7 @@ static void lsi_reg_writeb(LSIState *s, int offset, uint8_t val)
 #undef CASE_SET_REG32
 }
 
-static void lsi_mmio_write(void *opaque, target_phys_addr_t addr,
+static void lsi_mmio_write(void *opaque, hwaddr addr,
                            uint64_t val, unsigned size)
 {
     LSIState *s = opaque;
@@ -1893,7 +1881,7 @@ static void lsi_mmio_write(void *opaque, target_phys_addr_t addr,
     lsi_reg_writeb(s, addr & 0xff, val);
 }
 
-static uint64_t lsi_mmio_read(void *opaque, target_phys_addr_t addr,
+static uint64_t lsi_mmio_read(void *opaque, hwaddr addr,
                               unsigned size)
 {
     LSIState *s = opaque;
@@ -1911,7 +1899,7 @@ static const MemoryRegionOps lsi_mmio_ops = {
     },
 };
 
-static void lsi_ram_write(void *opaque, target_phys_addr_t addr,
+static void lsi_ram_write(void *opaque, hwaddr addr,
                           uint64_t val, unsigned size)
 {
     LSIState *s = opaque;
@@ -1927,7 +1915,7 @@ static void lsi_ram_write(void *opaque, target_phys_addr_t addr,
     s->script_ram[addr >> 2] = newval;
 }
 
-static uint64_t lsi_ram_read(void *opaque, target_phys_addr_t addr,
+static uint64_t lsi_ram_read(void *opaque, hwaddr addr,
                              unsigned size)
 {
     LSIState *s = opaque;
@@ -1946,14 +1934,14 @@ static const MemoryRegionOps lsi_ram_ops = {
     .endianness = DEVICE_NATIVE_ENDIAN,
 };
 
-static uint64_t lsi_io_read(void *opaque, target_phys_addr_t addr,
+static uint64_t lsi_io_read(void *opaque, hwaddr addr,
                             unsigned size)
 {
     LSIState *s = opaque;
     return lsi_reg_readb(s, addr & 0xff);
 }
 
-static void lsi_io_write(void *opaque, target_phys_addr_t addr,
+static void lsi_io_write(void *opaque, hwaddr addr,
                          uint64_t val, unsigned size)
 {
     LSIState *s = opaque;
@@ -2071,15 +2059,13 @@ static const VMStateDescription vmstate_lsi_scsi = {
     }
 };
 
-static int lsi_scsi_uninit(PCIDevice *d)
+static void lsi_scsi_uninit(PCIDevice *d)
 {
     LSIState *s = DO_UPCAST(LSIState, dev, d);
 
     memory_region_destroy(&s->mmio_io);
     memory_region_destroy(&s->ram_io);
     memory_region_destroy(&s->io_io);
-
-    return 0;
 }
 
 static const struct SCSIBusInfo lsi_scsi_info = {
@@ -2135,7 +2121,7 @@ static void lsi_class_init(ObjectClass *klass, void *data)
     dc->vmsd = &vmstate_lsi_scsi;
 }
 
-static TypeInfo lsi_info = {
+static const TypeInfo lsi_info = {
     .name          = "lsi53c895a",
     .parent        = TYPE_PCI_DEVICE,
     .instance_size = sizeof(LSIState),