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Diffstat (limited to 'arch/s390/include/uapi/asm/zcrypt.h')
-rw-r--r--arch/s390/include/uapi/asm/zcrypt.h124
1 files changed, 78 insertions, 46 deletions
diff --git a/arch/s390/include/uapi/asm/zcrypt.h b/arch/s390/include/uapi/asm/zcrypt.h
index 2e061b664b5c..b62e0614e440 100644
--- a/arch/s390/include/uapi/asm/zcrypt.h
+++ b/arch/s390/include/uapi/asm/zcrypt.h
@@ -203,9 +203,9 @@ struct ep11_urb {
} __attribute__((packed));
/**
- * struct zcrypt_device_status
+ * struct zcrypt_device_status_ext
* @hwtype: raw hardware type
- * @qid: 6 bit device index, 8 bit domain
+ * @qid: 8 bit device index, 8 bit domain
* @functions: AP device function bit field 'abcdef'
* a, b, c = reserved
* d = CCA coprocessor
@@ -214,28 +214,23 @@ struct ep11_urb {
* @online online status
* @reserved reserved
*/
-struct zcrypt_device_status {
+struct zcrypt_device_status_ext {
unsigned int hwtype:8;
- unsigned int qid:14;
+ unsigned int qid:16;
unsigned int online:1;
unsigned int functions:6;
- unsigned int reserved:3;
+ unsigned int reserved:1;
};
-#define MAX_ZDEV_CARDIDS 64
-#define MAX_ZDEV_DOMAINS 256
+#define MAX_ZDEV_CARDIDS_EXT 256
+#define MAX_ZDEV_DOMAINS_EXT 256
-/**
- * Maximum number of zcrypt devices
- */
-#define MAX_ZDEV_ENTRIES (MAX_ZDEV_CARDIDS * MAX_ZDEV_DOMAINS)
+/* Maximum number of zcrypt devices */
+#define MAX_ZDEV_ENTRIES_EXT (MAX_ZDEV_CARDIDS_EXT * MAX_ZDEV_DOMAINS_EXT)
-/**
- * zcrypt_device_matrix
- * Device matrix of all zcrypt devices
- */
-struct zcrypt_device_matrix {
- struct zcrypt_device_status device[MAX_ZDEV_ENTRIES];
+/* Device matrix of all zcrypt devices */
+struct zcrypt_device_matrix_ext {
+ struct zcrypt_device_status_ext device[MAX_ZDEV_ENTRIES_EXT];
};
#define AUTOSELECT ((unsigned int)0xFFFFFFFF)
@@ -270,39 +265,35 @@ struct zcrypt_device_matrix {
* ZSENDEP11CPRB
* Send an arbitrary EP11 CPRB to an EP11 coprocessor crypto card.
*
- * Z90STAT_STATUS_MASK
- * Return an 64 element array of unsigned chars for the status of
- * all devices.
+ * ZCRYPT_DEVICE_STATUS
+ * The given struct zcrypt_device_matrix_ext is updated with
+ * status information for each currently known apqn.
+ *
+ * ZCRYPT_STATUS_MASK
+ * Return an MAX_ZDEV_CARDIDS_EXT element array of unsigned chars for the
+ * status of all devices.
* 0x01: PCICA
* 0x02: PCICC
* 0x03: PCIXCC_MCL2
* 0x04: PCIXCC_MCL3
* 0x05: CEX2C
* 0x06: CEX2A
- * 0x0d: device is disabled via the proc filesystem
- *
- * Z90STAT_QDEPTH_MASK
- * Return an 64 element array of unsigned chars for the queue
- * depth of all devices.
- *
- * Z90STAT_PERDEV_REQCNT
- * Return an 64 element array of unsigned integers for the number
- * of successfully completed requests per device since the device
- * was detected and made available.
- *
- * Z90STAT_REQUESTQ_COUNT
- * Return an integer count of the number of entries waiting to be
- * sent to a device.
+ * 0x07: CEX3C
+ * 0x08: CEX3A
+ * 0x0a: CEX4
+ * 0x0b: CEX5
+ * 0x0c: CEX6
+ * 0x0d: device is disabled
*
- * Z90STAT_PENDINGQ_COUNT
- * Return an integer count of the number of entries sent to all
- * devices awaiting the reply.
+ * ZCRYPT_QDEPTH_MASK
+ * Return an MAX_ZDEV_CARDIDS_EXT element array of unsigned chars for the
+ * queue depth of all devices.
*
- * Z90STAT_TOTALOPEN_COUNT
- * Return an integer count of the number of open file handles.
+ * ZCRYPT_PERDEV_REQCNT
+ * Return an MAX_ZDEV_CARDIDS_EXT element array of unsigned integers for
+ * the number of successfully completed requests per device since the
+ * device was detected and made available.
*
- * Z90STAT_DOMAIN_INDEX
- * Return the integer value of the Cryptographic Domain.
*/
/**
@@ -312,15 +303,56 @@ struct zcrypt_device_matrix {
#define ICARSACRT _IOC(_IOC_READ|_IOC_WRITE, ZCRYPT_IOCTL_MAGIC, 0x06, 0)
#define ZSECSENDCPRB _IOC(_IOC_READ|_IOC_WRITE, ZCRYPT_IOCTL_MAGIC, 0x81, 0)
#define ZSENDEP11CPRB _IOC(_IOC_READ|_IOC_WRITE, ZCRYPT_IOCTL_MAGIC, 0x04, 0)
-#define ZDEVICESTATUS _IOC(_IOC_READ|_IOC_WRITE, ZCRYPT_IOCTL_MAGIC, 0x4f, 0)
-/* Status ioctl calls */
+#define ZCRYPT_DEVICE_STATUS _IOC(_IOC_READ|_IOC_WRITE, ZCRYPT_IOCTL_MAGIC, 0x5f, 0)
+#define ZCRYPT_STATUS_MASK _IOR(ZCRYPT_IOCTL_MAGIC, 0x58, char[MAX_ZDEV_CARDIDS_EXT])
+#define ZCRYPT_QDEPTH_MASK _IOR(ZCRYPT_IOCTL_MAGIC, 0x59, char[MAX_ZDEV_CARDIDS_EXT])
+#define ZCRYPT_PERDEV_REQCNT _IOR(ZCRYPT_IOCTL_MAGIC, 0x5a, int[MAX_ZDEV_CARDIDS_EXT])
+
+/*
+ * Only deprecated defines, structs and ioctls below this line.
+ */
+
+/* Deprecated: use MAX_ZDEV_CARDIDS_EXT */
+#define MAX_ZDEV_CARDIDS 64
+/* Deprecated: use MAX_ZDEV_DOMAINS_EXT */
+#define MAX_ZDEV_DOMAINS 256
+
+/* Deprecated: use MAX_ZDEV_ENTRIES_EXT */
+#define MAX_ZDEV_ENTRIES (MAX_ZDEV_CARDIDS * MAX_ZDEV_DOMAINS)
+
+/* Deprecated: use struct zcrypt_device_status_ext */
+struct zcrypt_device_status {
+ unsigned int hwtype:8;
+ unsigned int qid:14;
+ unsigned int online:1;
+ unsigned int functions:6;
+ unsigned int reserved:3;
+};
+
+/* Deprecated: use struct zcrypt_device_matrix_ext */
+struct zcrypt_device_matrix {
+ struct zcrypt_device_status device[MAX_ZDEV_ENTRIES];
+};
+
+/* Deprecated: use ZCRYPT_DEVICE_STATUS */
+#define ZDEVICESTATUS _IOC(_IOC_READ|_IOC_WRITE, ZCRYPT_IOCTL_MAGIC, 0x4f, 0)
+/* Deprecated: use ZCRYPT_STATUS_MASK */
+#define Z90STAT_STATUS_MASK _IOR(ZCRYPT_IOCTL_MAGIC, 0x48, char[64])
+/* Deprecated: use ZCRYPT_QDEPTH_MASK */
+#define Z90STAT_QDEPTH_MASK _IOR(ZCRYPT_IOCTL_MAGIC, 0x49, char[64])
+/* Deprecated: use ZCRYPT_PERDEV_REQCNT */
+#define Z90STAT_PERDEV_REQCNT _IOR(ZCRYPT_IOCTL_MAGIC, 0x4a, int[64])
+
+/* Deprecated: use sysfs to query these values */
#define Z90STAT_REQUESTQ_COUNT _IOR(ZCRYPT_IOCTL_MAGIC, 0x44, int)
#define Z90STAT_PENDINGQ_COUNT _IOR(ZCRYPT_IOCTL_MAGIC, 0x45, int)
#define Z90STAT_TOTALOPEN_COUNT _IOR(ZCRYPT_IOCTL_MAGIC, 0x46, int)
#define Z90STAT_DOMAIN_INDEX _IOR(ZCRYPT_IOCTL_MAGIC, 0x47, int)
-#define Z90STAT_STATUS_MASK _IOR(ZCRYPT_IOCTL_MAGIC, 0x48, char[64])
-#define Z90STAT_QDEPTH_MASK _IOR(ZCRYPT_IOCTL_MAGIC, 0x49, char[64])
-#define Z90STAT_PERDEV_REQCNT _IOR(ZCRYPT_IOCTL_MAGIC, 0x4a, int[64])
+
+/*
+ * The ioctl number ranges 0x40 - 0x42 and 0x4b - 0x4e had been used in the
+ * past, don't assign new ioctls for these.
+ */
#endif /* __ASM_S390_ZCRYPT_H */