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s390: Add PCI bus support

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This patch implements a pci bus for s390x together with infrastructure
to generate and handle hotplug events, to configure/unconfigure via
sclp instruction, to do iommu translations and provide s390 support for
MSI/MSI-X notification processing.

Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
This commit is contained in:
Frank Blaschka 2015-01-09 09:04:38 +01:00 • committed by Cornelia Huck
parent 59ac15326e
commit 8cba80c3a0
12 changed files with 929 additions and 1 deletions
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8
include/hw/s390x/sclp.h
View file

@ -43,14 +43,22 @@
#define SCLP_CMDW_CONFIGURE_CPU 0x00110001
#define SCLP_CMDW_DECONFIGURE_CPU 0x00100001
/* SCLP PCI codes */
#define SCLP_HAS_PCI_RECONFIG 0x0000000040000000ULL
#define SCLP_CMDW_CONFIGURE_PCI 0x001a0001
#define SCLP_CMDW_DECONFIGURE_PCI 0x001b0001
#define SCLP_RECONFIG_PCI_ATPYE 2
/* SCLP response codes */
#define SCLP_RC_NORMAL_READ_COMPLETION 0x0010
#define SCLP_RC_NORMAL_COMPLETION 0x0020
#define SCLP_RC_SCCB_BOUNDARY_VIOLATION 0x0100
#define SCLP_RC_NO_ACTION_REQUIRED 0x0120
#define SCLP_RC_INVALID_SCLP_COMMAND 0x01f0
#define SCLP_RC_CONTAINED_EQUIPMENT_CHECK 0x0340
#define SCLP_RC_INSUFFICIENT_SCCB_LENGTH 0x0300
#define SCLP_RC_STANDBY_READ_COMPLETION 0x0410
#define SCLP_RC_ADAPTER_ID_NOT_RECOGNIZED 0x09f0
#define SCLP_RC_INVALID_FUNCTION 0x40f0
#define SCLP_RC_NO_EVENT_BUFFERS_STORED 0x60f0
#define SCLP_RC_INVALID_SELECTION_MASK 0x70f0