param_get_int, &mpt3sas_fwfault_debug, 0644);
/**
+ * _base_readl_aero - retry readl for max three times.
+ * @addr - MPT Fusion system interface register address
+ *
+ * Retry the readl() for max three times if it gets zero value
+ * while reading the system interface register.
+ */
+static inline u32
+_base_readl_aero(const volatile void __iomem *addr)
+{
+ u32 i = 0, ret_val;
+
+ do {
+ ret_val = readl(addr);
+ i++;
+ } while (ret_val == 0 && i < 3);
+
+ return ret_val;
+}
+
+static inline u32
+_base_readl(const volatile void __iomem *addr)
+{
+ return readl(addr);
+}
+
+/**
* _base_clone_reply_to_sys_mem - copies reply to reply free iomem
* in BAR0 space.
*
ioc->rdpq_array_enable_assigned = 0;
ioc->dma_mask = 0;
+ if (ioc->is_aero_ioc)
+ ioc->base_readl = &_base_readl_aero;
+ else
+ ioc->base_readl = &_base_readl;
r = mpt3sas_base_map_resources(ioc);
if (r)
goto out_free_resources;
typedef void (*PUT_SMID_IO_FP_HIP) (struct MPT3SAS_ADAPTER *ioc, u16 smid,
u16 funcdep);
typedef void (*PUT_SMID_DEFAULT) (struct MPT3SAS_ADAPTER *ioc, u16 smid);
+typedef u32 (*BASE_READ_REG) (const volatile void __iomem *addr);
/* IOC Facts and Port Facts converted from little endian to cpu */
union mpi3_version_union {
u8 hide_drives;
spinlock_t diag_trigger_lock;
u8 diag_trigger_active;
+ BASE_READ_REG base_readl;
struct SL_WH_MASTER_TRIGGER_T diag_trigger_master;
struct SL_WH_EVENT_TRIGGERS_T diag_trigger_event;
struct SL_WH_SCSI_TRIGGERS_T diag_trigger_scsi;