Merge remote-tracking branch 'remotes/cohuck/tags/s390x-20160711' into staging

Last round of s390x patches for 2.7:
- A large update of the s390x PCI code, bringing it in line with
  the architecture
- Fixes and improvements in the ipl (boot) code
- Refactoring in the css code

# gpg: Signature made Mon 11 Jul 2016 09:04:51 BST
# gpg:                using RSA key 0xDECF6B93C6F02FAF
# gpg: Good signature from "Cornelia Huck <huckc@linux.vnet.ibm.com>"
# gpg:                 aka "Cornelia Huck <cornelia.huck@de.ibm.com>"
# Primary key fingerprint: C3D0 D66D C362 4FF6 A8C0  18CE DECF 6B93 C6F0 2FAF

* remotes/cohuck/tags/s390x-20160711: (25 commits)
  s390x/pci: make hot-unplug handler smoother
  s390x/pci: replace fid with idx in msg data of msix
  s390x/pci: fix stpcifc_service_call
  s390x/pci: refactor list_pci
  s390x/pci: refactor s390_pci_find_dev_by_idx
  s390x/pci: add checkings in CLP_SET_PCI_FN
  s390x/pci: enable zpci hot-plug/hot-unplug
  s390x/pci: enable uid-checking
  s390x/pci: introduce S390PCIBusDevice qdev
  s390x/pci: introduce S390PCIIOMMU
  s390x/pci: introduce S390PCIBus
  s390x/pci: enforce zPCI state checking
  s390x/pci: refactor s390_pci_find_dev_by_fh
  s390x/pci: unify FH_ macros
  s390x/pci: write fid in CLP_QUERY_PCI_FN
  s390x/pci: acceleration for getting S390pciState
  s390x/pci: fix failures of dma map/unmap
  s390x/css: Unplug handler of virtual css bridge
  s390x/css: Factor out virtual css bridge and bus
  s390x/css: use define for "virtual-css-bridge" literal
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 15 insertions, 0 deletions

diff --git a/hw/s390x/ipl.h b/hw/s390x/ipl.h
index 9aa4d942a7..c89109585a 100644
--- a/hw/s390x/ipl.h
+++ b/hw/s390x/ipl.h
@@ -46,6 +46,16 @@ struct IplBlockFcp {
 } QEMU_PACKED;
 typedef struct IplBlockFcp IplBlockFcp;
 
+struct IplBlockQemuScsi {
+    uint32_t lun;
+    uint16_t target;
+    uint16_t channel;
+    uint8_t  reserved0[77];
+    uint8_t  ssid;
+    uint16_t devno;
+} QEMU_PACKED;
+typedef struct IplBlockQemuScsi IplBlockQemuScsi;
+
 union IplParameterBlock {
     struct {
         uint32_t len;
@@ -59,6 +69,7 @@ union IplParameterBlock {
         union {
             IplBlockCcw ccw;
             IplBlockFcp fcp;
+            IplBlockQemuScsi scsi;
         };
     } QEMU_PACKED;
     struct {
@@ -82,7 +93,9 @@ struct S390IPLState {
     /*< private >*/
     DeviceState parent_obj;
     uint64_t start_addr;
+    uint64_t compat_start_addr;
     uint64_t bios_start_addr;
+    uint64_t compat_bios_start_addr;
     bool enforce_bios;
     IplParameterBlock iplb;
     bool iplb_valid;
@@ -102,10 +115,12 @@ typedef struct S390IPLState S390IPLState;
 
 #define S390_IPL_TYPE_FCP 0x00
 #define S390_IPL_TYPE_CCW 0x02
+#define S390_IPL_TYPE_QEMU_SCSI 0xff
 
 #define S390_IPLB_HEADER_LEN 8
 #define S390_IPLB_MIN_CCW_LEN 200
 #define S390_IPLB_MIN_FCP_LEN 384
+#define S390_IPLB_MIN_QEMU_SCSI_LEN 200
 
 static inline bool iplb_valid_len(IplParameterBlock *iplb)
 {