Merge remote-tracking branch 'remotes/borntraeger/tags/s390x-20170201' into staging

[qemu.git] / hw / s390x / s390-pci-bus.h

diff --git a/hw/s390x/s390-pci-bus.h b/hw/s390x/s390-pci-bus.h
index 658bda5f3c4345ddb6c0fae0e69a3d00ef253a44..dcbf4820c98141d1f0eb41ec1c14241e185ca87e 100644 (file)
--- a/hw/s390x/s390-pci-bus.h
+++ b/hw/s390x/s390-pci-bus.h
@@ -14,8 +14,8 @@
 #ifndef HW_S390_PCI_BUS_H
 #define HW_S390_PCI_BUS_H
 
-#include <hw/pci/pci.h>
-#include <hw/pci/pci_host.h>
+#include "hw/pci/pci.h"
+#include "hw/pci/pci_host.h"
 #include "hw/s390x/sclp.h"
 #include "hw/s390x/s390_flic.h"
 #include "hw/s390x/css.h"
@@ -23,16 +23,19 @@
 #define TYPE_S390_PCI_HOST_BRIDGE "s390-pcihost"
 #define TYPE_S390_PCI_BUS "s390-pcibus"
 #define TYPE_S390_PCI_DEVICE "zpci"
+#define TYPE_S390_PCI_IOMMU "s390-pci-iommu"
 #define FH_MASK_ENABLE   0x80000000
 #define FH_MASK_INSTANCE 0x7f000000
 #define FH_MASK_SHM      0x00ff0000
-#define FH_MASK_INDEX    0x0000001f
+#define FH_MASK_INDEX    0x0000ffff
 #define FH_SHM_VFIO      0x00010000
 #define FH_SHM_EMUL      0x00020000
 #define S390_PCIPT_ADAPTER 2
 #define ZPCI_MAX_FID 0xffffffff
 #define ZPCI_MAX_UID 0xffff
 #define UID_UNDEFINED 0
+#define UID_CHECKING_ENABLED 0x01
+#define HOT_UNPLUG_TIMEOUT (NANOSECONDS_PER_SECOND * 60 * 5)
 
 #define S390_PCI_HOST_BRIDGE(obj) \
     OBJECT_CHECK(S390pciState, (obj), TYPE_S390_PCI_HOST_BRIDGE)
@@ -40,9 +43,12 @@
     OBJECT_CHECK(S390PCIBus, (obj), TYPE_S390_PCI_BUS)
 #define S390_PCI_DEVICE(obj) \
     OBJECT_CHECK(S390PCIBusDevice, (obj), TYPE_S390_PCI_DEVICE)
+#define S390_PCI_IOMMU(obj) \
+    OBJECT_CHECK(S390PCIIOMMU, (obj), TYPE_S390_PCI_IOMMU)
 
 #define HP_EVENT_TO_CONFIGURED        0x0301
 #define HP_EVENT_RESERVED_TO_STANDBY  0x0302
+#define HP_EVENT_DECONFIGURE_REQUEST  0x0303
 #define HP_EVENT_CONFIGURED_TO_STBRES 0x0304
 #define HP_EVENT_STANDBY_TO_RESERVED  0x0308
 
@@ -79,6 +85,7 @@
 #define ZPCI_EDMA_ADDR 0x1ffffffffffffffULL
 
 #define PAGE_SHIFT      12
+#define PAGE_SIZE       (1 << PAGE_SHIFT)
 #define PAGE_MASK       (~(PAGE_SIZE-1))
 #define PAGE_DEFAULT_ACC        0
 #define PAGE_DEFAULT_KEY        (PAGE_DEFAULT_ACC << 4)
@@ -176,8 +183,8 @@ enum ZpciIoatDtype {
  *          may enter an error state
  * blocked: ignore all DMA and interrupts; transition back to enabled or from
  *          error state via mpcifc
- * error: an error occured; transition back to enabled via mpcifc
- * permanent error: an unrecoverable error occured; transition to standby via
+ * error: an error occurred; transition back to enabled via mpcifc
+ * permanent error: an unrecoverable error occurred; transition to standby via
  *                  sclp deconfigure
  */
 typedef enum {
@@ -254,24 +261,34 @@ typedef struct S390MsixInfo {
     uint32_t pba_offset;
 } S390MsixInfo;
 
+typedef struct S390PCIBusDevice S390PCIBusDevice;
 typedef struct S390PCIIOMMU {
+    Object parent_obj;
+    S390PCIBusDevice *pbdev;
     AddressSpace as;
     MemoryRegion mr;
+    MemoryRegion iommu_mr;
+    bool enabled;
+    uint64_t g_iota;
+    uint64_t pba;
+    uint64_t pal;
 } S390PCIIOMMU;
 
-typedef struct S390PCIBusDevice {
+typedef struct S390PCIIOMMUTable {
+    uint64_t key;
+    S390PCIIOMMU *iommu[PCI_SLOT_MAX];
+} S390PCIIOMMUTable;
+
+struct S390PCIBusDevice {
     DeviceState qdev;
     PCIDevice *pdev;
     ZpciState state;
-    bool iommu_enabled;
     char *target;
     uint16_t uid;
+    uint32_t idx;
     uint32_t fh;
     uint32_t fid;
     bool fid_defined;
-    uint64_t g_iota;
-    uint64_t pba;
-    uint64_t pal;
     uint64_t fmb_addr;
     uint8_t isc;
     uint16_t noi;
@@ -279,10 +296,12 @@ typedef struct S390PCIBusDevice {
     S390MsixInfo msix;
     AdapterRoutes routes;
     S390PCIIOMMU *iommu;
-    MemoryRegion iommu_mr;
+    MemoryRegion msix_notify_mr;
     IndAddr *summary_ind;
     IndAddr *indicator;
-} S390PCIBusDevice;
+    QEMUTimer *release_timer;
+    QTAILQ_ENTRY(S390PCIBusDevice) link;
+};
 
 typedef struct S390PCIBus {
     BusState qbus;
@@ -290,24 +309,28 @@ typedef struct S390PCIBus {
 
 typedef struct S390pciState {
     PCIHostState parent_obj;
+    uint32_t next_idx;
+    int bus_no;
     S390PCIBus *bus;
-    S390PCIBusDevice *pbdev[PCI_SLOT_MAX];
-    S390PCIIOMMU *iommu[PCI_SLOT_MAX];
-    AddressSpace msix_notify_as;
-    MemoryRegion msix_notify_mr;
+    GHashTable *iommu_table;
+    GHashTable *zpci_table;
     QTAILQ_HEAD(, SeiContainer) pending_sei;
+    QTAILQ_HEAD(, S390PCIBusDevice) zpci_devs;
 } S390pciState;
 
+S390pciState *s390_get_phb(void);
 int chsc_sei_nt2_get_event(void *res);
 int chsc_sei_nt2_have_event(void);
 void s390_pci_sclp_configure(SCCB *sccb);
 void s390_pci_sclp_deconfigure(SCCB *sccb);
-void s390_pci_iommu_enable(S390PCIBusDevice *pbdev);
-void s390_pci_iommu_disable(S390PCIBusDevice *pbdev);
+void s390_pci_iommu_enable(S390PCIIOMMU *iommu);
+void s390_pci_iommu_disable(S390PCIIOMMU *iommu);
 void s390_pci_generate_error_event(uint16_t pec, uint32_t fh, uint32_t fid,
                                    uint64_t faddr, uint32_t e);
-S390PCIBusDevice *s390_pci_find_dev_by_idx(uint32_t idx);
-S390PCIBusDevice *s390_pci_find_dev_by_fh(uint32_t fh);
-S390PCIBusDevice *s390_pci_find_dev_by_fid(uint32_t fid);
+S390PCIBusDevice *s390_pci_find_dev_by_idx(S390pciState *s, uint32_t idx);
+S390PCIBusDevice *s390_pci_find_dev_by_fh(S390pciState *s, uint32_t fh);
+S390PCIBusDevice *s390_pci_find_dev_by_fid(S390pciState *s, uint32_t fid);
+S390PCIBusDevice *s390_pci_find_next_avail_dev(S390pciState *s,
+                                               S390PCIBusDevice *pbdev);
 
 #endif