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-rw-r--r--include/linux/fsl_ifc.h50
-rw-r--r--include/misc/cxl.h10
-rw-r--r--include/uapi/misc/cxl.h4
3 files changed, 63 insertions, 1 deletions
diff --git a/include/linux/fsl_ifc.h b/include/linux/fsl_ifc.h
index bf0321eabbda..0023088b253b 100644
--- a/include/linux/fsl_ifc.h
+++ b/include/linux/fsl_ifc.h
@@ -841,9 +841,59 @@ struct fsl_ifc_ctrl {
u32 nand_stat;
wait_queue_head_t nand_wait;
+ bool little_endian;
};
extern struct fsl_ifc_ctrl *fsl_ifc_ctrl_dev;
+static inline u32 ifc_in32(void __iomem *addr)
+{
+ u32 val;
+
+ if (fsl_ifc_ctrl_dev->little_endian)
+ val = ioread32(addr);
+ else
+ val = ioread32be(addr);
+
+ return val;
+}
+
+static inline u16 ifc_in16(void __iomem *addr)
+{
+ u16 val;
+
+ if (fsl_ifc_ctrl_dev->little_endian)
+ val = ioread16(addr);
+ else
+ val = ioread16be(addr);
+
+ return val;
+}
+
+static inline u8 ifc_in8(void __iomem *addr)
+{
+ return ioread8(addr);
+}
+
+static inline void ifc_out32(u32 val, void __iomem *addr)
+{
+ if (fsl_ifc_ctrl_dev->little_endian)
+ iowrite32(val, addr);
+ else
+ iowrite32be(val, addr);
+}
+
+static inline void ifc_out16(u16 val, void __iomem *addr)
+{
+ if (fsl_ifc_ctrl_dev->little_endian)
+ iowrite16(val, addr);
+ else
+ iowrite16be(val, addr);
+}
+
+static inline void ifc_out8(u8 val, void __iomem *addr)
+{
+ iowrite8(val, addr);
+}
#endif /* __ASM_FSL_IFC_H */
diff --git a/include/misc/cxl.h b/include/misc/cxl.h
index 7a6c1d6cc173..f2ffe5bd720d 100644
--- a/include/misc/cxl.h
+++ b/include/misc/cxl.h
@@ -200,4 +200,14 @@ unsigned int cxl_fd_poll(struct file *file, struct poll_table_struct *poll);
ssize_t cxl_fd_read(struct file *file, char __user *buf, size_t count,
loff_t *off);
+/*
+ * For EEH, a driver may want to assert a PERST will reload the same image
+ * from flash into the FPGA.
+ *
+ * This is a property of the entire adapter, not a single AFU, so drivers
+ * should set this property with care!
+ */
+void cxl_perst_reloads_same_image(struct cxl_afu *afu,
+ bool perst_reloads_same_image);
+
#endif /* _MISC_CXL_H */
diff --git a/include/uapi/misc/cxl.h b/include/uapi/misc/cxl.h
index 99a8ca15fe64..1e889aa8a36e 100644
--- a/include/uapi/misc/cxl.h
+++ b/include/uapi/misc/cxl.h
@@ -29,8 +29,10 @@ struct cxl_ioctl_start_work {
#define CXL_START_WORK_AMR 0x0000000000000001ULL
#define CXL_START_WORK_NUM_IRQS 0x0000000000000002ULL
+#define CXL_START_WORK_ERR_FF 0x0000000000000004ULL
#define CXL_START_WORK_ALL (CXL_START_WORK_AMR |\
- CXL_START_WORK_NUM_IRQS)
+ CXL_START_WORK_NUM_IRQS |\
+ CXL_START_WORK_ERR_FF)
/* Possible modes that an afu can be in */