[PATCH v3 04/10] linux-headers: update against 5.9-rc8

[Matthew Rosato]

PLACEHOLDER as the kernel patch driving the need for this ("vfio: Introduce
capability definitions for VFIO_DEVICE_GET_INFO") isn't merged yet.

Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com>
---
 linux-headers/linux/kvm.h       |  6 ++--
 linux-headers/linux/vfio.h      | 11 ++++++
 linux-headers/linux/vfio_zdev.h | 78 +++++++++++++++++++++++++++++++++++++++++
 3 files changed, 93 insertions(+), 2 deletions(-)
 create mode 100644 linux-headers/linux/vfio_zdev.h

diff --git a/linux-headers/linux/kvm.h b/linux-headers/linux/kvm.h
index 6683e2e..43580c7 100644
--- a/linux-headers/linux/kvm.h
+++ b/linux-headers/linux/kvm.h
@@ -790,9 +790,10 @@ struct kvm_ppc_resize_hpt {
 #define KVM_VM_PPC_HV 1
 #define KVM_VM_PPC_PR 2
 
-/* on MIPS, 0 forces trap & emulate, 1 forces VZ ASE */
-#define KVM_VM_MIPS_TE         0
+/* on MIPS, 0 indicates auto, 1 forces VZ ASE, 2 forces trap & emulate */
+#define KVM_VM_MIPS_AUTO       0
 #define KVM_VM_MIPS_VZ         1
+#define KVM_VM_MIPS_TE         2
 
 #define KVM_S390_SIE_PAGE_OFFSET 1
 
@@ -1035,6 +1036,7 @@ struct kvm_ppc_resize_hpt {
 #define KVM_CAP_LAST_CPU 184
 #define KVM_CAP_SMALLER_MAXPHYADDR 185
 #define KVM_CAP_S390_DIAG318 186
+#define KVM_CAP_STEAL_TIME 187
 
 #ifdef KVM_CAP_IRQ_ROUTING
 
diff --git a/linux-headers/linux/vfio.h b/linux-headers/linux/vfio.h
index a906724..467eeab 100644
--- a/linux-headers/linux/vfio.h
+++ b/linux-headers/linux/vfio.h
@@ -201,8 +201,10 @@ struct vfio_device_info {
 #define VFIO_DEVICE_FLAGS_AMBA  (1 << 3)       /* vfio-amba device */
 #define VFIO_DEVICE_FLAGS_CCW  (1 << 4)        /* vfio-ccw device */
 #define VFIO_DEVICE_FLAGS_AP   (1 << 5)        /* vfio-ap device */
+#define VFIO_DEVICE_FLAGS_CAPS (1 << 6)        /* Info supports caps */
        __u32   num_regions;    /* Max region index + 1 */
        __u32   num_irqs;       /* Max IRQ index + 1 */
+       __u32   cap_offset;     /* Offset within info struct of first cap */
 };
 #define VFIO_DEVICE_GET_INFO           _IO(VFIO_TYPE, VFIO_BASE + 7)
 
@@ -218,6 +220,15 @@ struct vfio_device_info {
 #define VFIO_DEVICE_API_CCW_STRING             "vfio-ccw"
 #define VFIO_DEVICE_API_AP_STRING              "vfio-ap"
 
+/*
+ * The following capabilities are unique to s390 zPCI devices.  Their contents
+ * are further-defined in vfio_zdev.h
+ */
+#define VFIO_DEVICE_INFO_CAP_ZPCI_BASE         1
+#define VFIO_DEVICE_INFO_CAP_ZPCI_GROUP                2
+#define VFIO_DEVICE_INFO_CAP_ZPCI_UTIL         3
+#define VFIO_DEVICE_INFO_CAP_ZPCI_PFIP         4
+
 /**
  * VFIO_DEVICE_GET_REGION_INFO - _IOWR(VFIO_TYPE, VFIO_BASE + 8,
  *                                    struct vfio_region_info)
diff --git a/linux-headers/linux/vfio_zdev.h b/linux-headers/linux/vfio_zdev.h
new file mode 100644
index 0000000..b430939
--- /dev/null
+++ b/linux-headers/linux/vfio_zdev.h
@@ -0,0 +1,78 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+/*
+ * VFIO Region definitions for ZPCI devices
+ *
+ * Copyright IBM Corp. 2020
+ *
+ * Author(s): Pierre Morel <pmorel@linux.ibm.com>
+ *            Matthew Rosato <mjrosato@linux.ibm.com>
+ */
+
+#ifndef _VFIO_ZDEV_H_
+#define _VFIO_ZDEV_H_
+
+#include <linux/types.h>
+#include <linux/vfio.h>
+
+/**
+ * VFIO_DEVICE_INFO_CAP_ZPCI_BASE - Base PCI Function information
+ *
+ * This capability provides a set of descriptive information about the
+ * associated PCI function.
+ */
+struct vfio_device_info_cap_zpci_base {
+       struct vfio_info_cap_header header;
+       __u64 start_dma;        /* Start of available DMA addresses */
+       __u64 end_dma;          /* End of available DMA addresses */
+       __u16 pchid;            /* Physical Channel ID */
+       __u16 vfn;              /* Virtual function number */
+       __u16 fmb_length;       /* Measurement Block Length (in bytes) */
+       __u8 pft;               /* PCI Function Type */
+       __u8 gid;               /* PCI function group ID */
+};
+
+/**
+ * VFIO_DEVICE_INFO_CAP_ZPCI_GROUP - Base PCI Function Group information
+ *
+ * This capability provides a set of descriptive information about the group of
+ * PCI functions that the associated device belongs to.
+ */
+struct vfio_device_info_cap_zpci_group {
+       struct vfio_info_cap_header header;
+       __u64 dasm;             /* DMA Address space mask */
+       __u64 msi_addr;         /* MSI address */
+       __u64 flags;
+#define VFIO_DEVICE_INFO_ZPCI_FLAG_REFRESH 1 /* Program-specified TLB refresh 
*/
+       __u16 mui;              /* Measurement Block Update Interval */
+       __u16 noi;              /* Maximum number of MSIs */
+       __u16 maxstbl;          /* Maximum Store Block Length */
+       __u8 version;           /* Supported PCI Version */
+};
+
+/**
+ * VFIO_DEVICE_INFO_CAP_ZPCI_UTIL - Utility String
+ *
+ * This capability provides the utility string for the associated device, which
+ * is a device identifier string made up of EBCDID characters.  'size' 
specifies
+ * the length of 'util_str'.
+ */
+struct vfio_device_info_cap_zpci_util {
+       struct vfio_info_cap_header header;
+       __u32 size;
+       __u8 util_str[];
+};
+
+/**
+ * VFIO_DEVICE_INFO_CAP_ZPCI_PFIP - PCI Function Path
+ *
+ * This capability provides the PCI function path string, which is an 
identifier
+ * that describes the internal hardware path of the device. 'size' specifies
+ * the length of 'pfip'.
+ */
+struct vfio_device_info_cap_zpci_pfip {
+       struct vfio_info_cap_header header;
+       __u32 size;
+       __u8 pfip[];
+};
+
+#endif
-- 
1.8.3.1