[v5] s390x: Add support for virtio-blk-pci IPL device

[PATCH v5 09/15] s390x: Add definitions for PCI IPL type

jrossi@linux.ibm.com posted 15 patches 1 month ago

Diff against v1 v2 v3 v4
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Maintainers: "Michael S. Tsirkin" <mst@redhat.com>, Marcel Apfelbaum <marcel.apfelbaum@gmail.com>, Christian Borntraeger <borntraeger@linux.ibm.com>, Thomas Huth <thuth@redhat.com>, Jared Rossi <jrossi@linux.ibm.com>, Zhuoying Cai <zycai@linux.ibm.com>, Richard Henderson <richard.henderson@linaro.org>, Ilya Leoshkevich <iii@linux.ibm.com>, David Hildenbrand <david@kernel.org>, Halil Pasic <pasic@linux.ibm.com>, Eric Farman <farman@linux.ibm.com>, Matthew Rosato <mjrosato@linux.ibm.com>, Farhan Ali <alifm@linux.ibm.com>, John Snow <jsnow@redhat.com>, Fabiano Rosas <farosas@suse.de>, Laurent Vivier <lvivier@redhat.com>, Paolo Bonzini <pbonzini@redhat.com>

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[PATCH v5 09/15] s390x: Add definitions for PCI IPL type

Posted by jrossi@linux.ibm.com 1 month ago

From: Jared Rossi <jrossi@linux.ibm.com>

Define a new PBT code and IPLB layout in preparation for supporting PCI device
IPL on s390x.

Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Eric Farman <farman@linux.ibm.com>
Signed-off-by: Jared Rossi <jrossi@linux.ibm.com>
---
 include/hw/s390x/ipl/qipl.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/include/hw/s390x/ipl/qipl.h b/include/hw/s390x/ipl/qipl.h
index 6dc12dd859..8d3c83a80b 100644
--- a/include/hw/s390x/ipl/qipl.h
+++ b/include/hw/s390x/ipl/qipl.h
@@ -23,6 +23,7 @@
 enum S390IplType {
     S390_IPL_TYPE_FCP = 0x00,
     S390_IPL_TYPE_CCW = 0x02,
+    S390_IPL_TYPE_PCI = 0x04,
     S390_IPL_TYPE_PV = 0x05,
     S390_IPL_TYPE_QEMU_SCSI = 0xff
 };
@@ -108,6 +109,14 @@ struct IplBlockQemuScsi {
 } QEMU_PACKED;
 typedef struct IplBlockQemuScsi IplBlockQemuScsi;
 
+struct IplBlockPci {
+    uint32_t reserved0[76];
+    uint8_t  opt;
+    uint8_t  reserved1[3];
+    uint32_t fid;
+} QEMU_PACKED;
+typedef struct IplBlockPci IplBlockPci;
+
 union IplParameterBlock {
     struct {
         uint32_t len;
@@ -123,6 +132,7 @@ union IplParameterBlock {
             IplBlockFcp fcp;
             IPLBlockPV pv;
             IplBlockQemuScsi scsi;
+            IplBlockPci pci;
         };
     } QEMU_PACKED;
     struct {
-- 
2.52.0