struct mm_struct *mm;
 };
 
+struct cxl_irq_info;
+
 struct cxl_service_layer_ops {
        int (*adapter_regs_init)(struct cxl *adapter, struct pci_dev *dev);
+       int (*invalidate_all)(struct cxl *adapter);
        int (*afu_regs_init)(struct cxl_afu *afu);
+       int (*sanitise_afu_regs)(struct cxl_afu *afu);
        int (*register_serr_irq)(struct cxl_afu *afu);
        void (*release_serr_irq)(struct cxl_afu *afu);
-       void (*debugfs_add_adapter_sl_regs)(struct cxl *adapter, struct dentry *dir);
-       void (*debugfs_add_afu_sl_regs)(struct cxl_afu *afu, struct dentry *dir);
+       irqreturn_t (*handle_interrupt)(int irq, struct cxl_context *ctx, struct cxl_irq_info *irq_info);
+       irqreturn_t (*fail_irq)(struct cxl_afu *afu, struct cxl_irq_info *irq_info);
+       int (*activate_dedicated_process)(struct cxl_afu *afu);
+       int (*attach_afu_directed)(struct cxl_context *ctx, u64 wed, u64 amr);
+       int (*attach_dedicated_process)(struct cxl_context *ctx, u64 wed, u64 amr);
+       void (*update_dedicated_ivtes)(struct cxl_context *ctx);
+       void (*debugfs_add_adapter_regs)(struct cxl *adapter, struct dentry *dir);
+       void (*debugfs_add_afu_regs)(struct cxl_afu *afu, struct dentry *dir);
        void (*psl_irq_dump_registers)(struct cxl_context *ctx);
        void (*err_irq_dump_registers)(struct cxl *adapter);
        void (*debugfs_stop_trace)(struct cxl *adapter);
 void afu_release_irqs(struct cxl_context *ctx, void *cookie);
 void afu_irq_name_free(struct cxl_context *ctx);
 
+int cxl_attach_afu_directed_psl(struct cxl_context *ctx, u64 wed, u64 amr);
+int cxl_activate_dedicated_process_psl(struct cxl_afu *afu);
+int cxl_attach_dedicated_process_psl(struct cxl_context *ctx, u64 wed, u64 amr);
+void cxl_update_dedicated_ivtes_psl(struct cxl_context *ctx);
+
 #ifdef CONFIG_DEBUG_FS
 
 int cxl_debugfs_init(void);
 void cxl_debugfs_adapter_remove(struct cxl *adapter);
 int cxl_debugfs_afu_add(struct cxl_afu *afu);
 void cxl_debugfs_afu_remove(struct cxl_afu *afu);
-void cxl_stop_trace(struct cxl *cxl);
-void cxl_debugfs_add_adapter_psl_regs(struct cxl *adapter, struct dentry *dir);
-void cxl_debugfs_add_adapter_xsl_regs(struct cxl *adapter, struct dentry *dir);
-void cxl_debugfs_add_afu_psl_regs(struct cxl_afu *afu, struct dentry *dir);
+void cxl_stop_trace_psl(struct cxl *cxl);
+void cxl_debugfs_add_adapter_regs_psl(struct cxl *adapter, struct dentry *dir);
+void cxl_debugfs_add_adapter_regs_xsl(struct cxl *adapter, struct dentry *dir);
+void cxl_debugfs_add_afu_regs_psl(struct cxl_afu *afu, struct dentry *dir);
 
 #else /* CONFIG_DEBUG_FS */
 
 {
 }
 
-static inline void cxl_debugfs_add_adapter_psl_regs(struct cxl *adapter,
+static inline void cxl_debugfs_add_adapter_regs_psl(struct cxl *adapter,
                                                    struct dentry *dir)
 {
 }
 
-static inline void cxl_debugfs_add_adapter_xsl_regs(struct cxl *adapter,
+static inline void cxl_debugfs_add_adapter_regs_xsl(struct cxl *adapter,
                                                    struct dentry *dir)
 {
 }
 
-static inline void cxl_debugfs_add_afu_psl_regs(struct cxl_afu *afu, struct dentry *dir)
+static inline void cxl_debugfs_add_afu_regs_psl(struct cxl_afu *afu, struct dentry *dir)
 {
 }
 
 };
 
 void cxl_assign_psn_space(struct cxl_context *ctx);
-irqreturn_t cxl_irq(int irq, struct cxl_context *ctx, struct cxl_irq_info *irq_info);
+int cxl_invalidate_all_psl(struct cxl *adapter);
+irqreturn_t cxl_irq_psl(int irq, struct cxl_context *ctx, struct cxl_irq_info *irq_info);
+irqreturn_t cxl_fail_irq_psl(struct cxl_afu *afu, struct cxl_irq_info *irq_info);
 int cxl_register_one_irq(struct cxl *adapter, irq_handler_t handler,
                        void *cookie, irq_hw_number_t *dest_hwirq,
                        unsigned int *dest_virq, const char *name);
 
 int cxl_check_error(struct cxl_afu *afu);
 int cxl_afu_slbia(struct cxl_afu *afu);
-int cxl_tlb_slb_invalidate(struct cxl *adapter);
 int cxl_data_cache_flush(struct cxl *adapter);
 int cxl_afu_disable(struct cxl_afu *afu);
 int cxl_psl_purge(struct cxl_afu *afu);
 
-void cxl_native_psl_irq_dump_regs(struct cxl_context *ctx);
+void cxl_native_irq_dump_regs_psl(struct cxl_context *ctx);
 void cxl_native_err_irq_dump_regs(struct cxl *adapter);
 int cxl_pci_vphb_add(struct cxl_afu *afu);
 void cxl_pci_vphb_remove(struct cxl_afu *afu);
 
 
 static struct dentry *cxl_debugfs;
 
-void cxl_stop_trace(struct cxl *adapter)
+void cxl_stop_trace_psl(struct cxl *adapter)
 {
        int slice;
 
                                          (void __force *)value, &fops_io_x64);
 }
 
-void cxl_debugfs_add_adapter_psl_regs(struct cxl *adapter, struct dentry *dir)
+void cxl_debugfs_add_adapter_regs_psl(struct cxl *adapter, struct dentry *dir)
 {
        debugfs_create_io_x64("fir1", S_IRUSR, dir, _cxl_p1_addr(adapter, CXL_PSL_FIR1));
        debugfs_create_io_x64("fir2", S_IRUSR, dir, _cxl_p1_addr(adapter, CXL_PSL_FIR2));
        debugfs_create_io_x64("trace", S_IRUSR | S_IWUSR, dir, _cxl_p1_addr(adapter, CXL_PSL_TRACE));
 }
 
-void cxl_debugfs_add_adapter_xsl_regs(struct cxl *adapter, struct dentry *dir)
+void cxl_debugfs_add_adapter_regs_xsl(struct cxl *adapter, struct dentry *dir)
 {
        debugfs_create_io_x64("fec", S_IRUSR, dir, _cxl_p1_addr(adapter, CXL_XSL_FEC));
 }
 
        debugfs_create_io_x64("err_ivte", S_IRUSR, dir, _cxl_p1_addr(adapter, CXL_PSL_ErrIVTE));
 
-       if (adapter->native->sl_ops->debugfs_add_adapter_sl_regs)
-               adapter->native->sl_ops->debugfs_add_adapter_sl_regs(adapter, dir);
+       if (adapter->native->sl_ops->debugfs_add_adapter_regs)
+               adapter->native->sl_ops->debugfs_add_adapter_regs(adapter, dir);
        return 0;
 }
 
        debugfs_remove_recursive(adapter->debugfs);
 }
 
-void cxl_debugfs_add_afu_psl_regs(struct cxl_afu *afu, struct dentry *dir)
+void cxl_debugfs_add_afu_regs_psl(struct cxl_afu *afu, struct dentry *dir)
 {
        debugfs_create_io_x64("fir", S_IRUSR, dir, _cxl_p1n_addr(afu, CXL_PSL_FIR_SLICE_An));
        debugfs_create_io_x64("serr", S_IRUSR, dir, _cxl_p1n_addr(afu, CXL_PSL_SERR_An));
        debugfs_create_io_x64("sstp1",      S_IRUSR, dir, _cxl_p2n_addr(afu, CXL_SSTP1_An));
        debugfs_create_io_x64("err_status", S_IRUSR, dir, _cxl_p2n_addr(afu, CXL_PSL_ErrStat_An));
 
-       if (afu->adapter->native->sl_ops->debugfs_add_afu_sl_regs)
-               afu->adapter->native->sl_ops->debugfs_add_afu_sl_regs(afu, dir);
+       if (afu->adapter->native->sl_ops->debugfs_add_afu_regs)
+               afu->adapter->native->sl_ops->debugfs_add_afu_regs(afu, dir);
 
        return 0;
 }
 
                return IRQ_HANDLED;
        }
 
-       rc = cxl_irq(irq, ctx, &irq_info);
+       rc = cxl_irq_psl(irq, ctx, &irq_info);
        return rc;
 }
 
 
        return IRQ_HANDLED;
 }
 
-irqreturn_t cxl_irq(int irq, struct cxl_context *ctx, struct cxl_irq_info *irq_info)
+irqreturn_t cxl_irq_psl(int irq, struct cxl_context *ctx, struct cxl_irq_info *irq_info)
 {
        u64 dsisr, dar;
 
 
        }
 }
 
-int cxl_tlb_slb_invalidate(struct cxl *adapter)
+int cxl_invalidate_all_psl(struct cxl *adapter)
 {
        unsigned long timeout = jiffies + (HZ * CXL_TIMEOUT);
 
                WARN_ON(add_process_element(ctx));
 }
 
-static int attach_afu_directed(struct cxl_context *ctx, u64 wed, u64 amr)
+int cxl_attach_afu_directed_psl(struct cxl_context *ctx, u64 wed, u64 amr)
 {
        u32 pid;
        int result;
        return 0;
 }
 
-static int activate_dedicated_process(struct cxl_afu *afu)
+int cxl_activate_dedicated_process_psl(struct cxl_afu *afu)
 {
        dev_info(&afu->dev, "Activating dedicated process mode\n");
 
        return cxl_chardev_d_afu_add(afu);
 }
 
-static void update_ivtes_dedicated(struct cxl_context *ctx)
+void cxl_update_dedicated_ivtes_psl(struct cxl_context *ctx)
 {
        struct cxl_afu *afu = ctx->afu;
 
                        ((u64)ctx->irqs.range[3] & 0xffff));
 }
 
-static int attach_dedicated(struct cxl_context *ctx, u64 wed, u64 amr)
+int cxl_attach_dedicated_process_psl(struct cxl_context *ctx, u64 wed, u64 amr)
 {
        struct cxl_afu *afu = ctx->afu;
        u64 pid;
 
        cxl_prefault(ctx, wed);
 
-       update_ivtes_dedicated(ctx);
+       if (ctx->afu->adapter->native->sl_ops->update_dedicated_ivtes)
+               afu->adapter->native->sl_ops->update_dedicated_ivtes(ctx);
 
        cxl_p2n_write(afu, CXL_PSL_AMR_An, amr);
 
 
        if (mode == CXL_MODE_DIRECTED)
                return activate_afu_directed(afu);
-       if (mode == CXL_MODE_DEDICATED)
-               return activate_dedicated_process(afu);
+       if ((mode == CXL_MODE_DEDICATED) &&
+           (afu->adapter->native->sl_ops->activate_dedicated_process))
+               return afu->adapter->native->sl_ops->activate_dedicated_process(afu);
 
        return -EINVAL;
 }
        }
 
        ctx->kernel = kernel;
-       if (ctx->afu->current_mode == CXL_MODE_DIRECTED)
-               return attach_afu_directed(ctx, wed, amr);
+       if ((ctx->afu->current_mode == CXL_MODE_DIRECTED) &&
+           (ctx->afu->adapter->native->sl_ops->attach_afu_directed))
+               return ctx->afu->adapter->native->sl_ops->attach_afu_directed(ctx, wed, amr);
 
-       if (ctx->afu->current_mode == CXL_MODE_DEDICATED)
-               return attach_dedicated(ctx, wed, amr);
+       if ((ctx->afu->current_mode == CXL_MODE_DEDICATED) &&
+           (ctx->afu->adapter->native->sl_ops->attach_dedicated_process))
+               return ctx->afu->adapter->native->sl_ops->attach_dedicated_process(ctx, wed, amr);
 
        return -EINVAL;
 }
 {
        if (ctx->afu->current_mode == CXL_MODE_DIRECTED)
                return update_ivtes_directed(ctx);
-       if (ctx->afu->current_mode == CXL_MODE_DEDICATED)
-               return update_ivtes_dedicated(ctx);
+       if ((ctx->afu->current_mode == CXL_MODE_DEDICATED) &&
+           (ctx->afu->adapter->native->sl_ops->update_dedicated_ivtes))
+               return ctx->afu->adapter->native->sl_ops->update_dedicated_ivtes(ctx);
        WARN(1, "native_update_ivtes: Bad mode\n");
 }
 
        return 0;
 }
 
-void cxl_native_psl_irq_dump_regs(struct cxl_context *ctx)
+void cxl_native_irq_dump_regs_psl(struct cxl_context *ctx)
 {
        u64 fir1, fir2, fir_slice, serr, afu_debug;
 
        return cxl_ops->ack_irq(ctx, 0, errstat);
 }
 
-static irqreturn_t fail_psl_irq(struct cxl_afu *afu, struct cxl_irq_info *irq_info)
+irqreturn_t cxl_fail_irq_psl(struct cxl_afu *afu, struct cxl_irq_info *irq_info)
 {
        if (irq_info->dsisr & CXL_PSL_DSISR_TRANS)
                cxl_p2n_write(afu, CXL_PSL_TFC_An, CXL_PSL_TFC_An_AE);
        struct cxl_context *ctx;
        struct cxl_irq_info irq_info;
        u64 phreg = cxl_p2n_read(afu, CXL_PSL_PEHandle_An);
-       int ph, ret;
+       int ph, ret = IRQ_HANDLED, res;
 
        /* check if eeh kicked in while the interrupt was in flight */
        if (unlikely(phreg == ~0ULL)) {
        }
        /* Mask the pe-handle from register value */
        ph = phreg & 0xffff;
-       if ((ret = native_get_irq_info(afu, &irq_info))) {
-               WARN(1, "Unable to get CXL IRQ Info: %i\n", ret);
-               return fail_psl_irq(afu, &irq_info);
+       if ((res = native_get_irq_info(afu, &irq_info))) {
+               WARN(1, "Unable to get CXL IRQ Info: %i\n", res);
+               if (afu->adapter->native->sl_ops->fail_irq)
+                       return afu->adapter->native->sl_ops->fail_irq(afu, &irq_info);
+               return ret;
        }
 
        rcu_read_lock();
        ctx = idr_find(&afu->contexts_idr, ph);
        if (ctx) {
-               ret = cxl_irq(irq, ctx, &irq_info);
+               if (afu->adapter->native->sl_ops->handle_interrupt)
+                       ret = afu->adapter->native->sl_ops->handle_interrupt(irq, ctx, &irq_info);
                rcu_read_unlock();
                return ret;
        }
                " %016llx\n(Possible AFU HW issue - was a term/remove acked"
                " with outstanding transactions?)\n", ph, irq_info.dsisr,
                irq_info.dar);
-       return fail_psl_irq(afu, &irq_info);
+       if (afu->adapter->native->sl_ops->fail_irq)
+               ret = afu->adapter->native->sl_ops->fail_irq(afu, &irq_info);
+       return ret;
 }
 
 static void native_irq_wait(struct cxl_context *ctx)
 
        return 0;
 }
 
-static int init_implementation_adapter_psl_regs(struct cxl *adapter, struct pci_dev *dev)
+static int init_implementation_adapter_regs_psl(struct cxl *adapter, struct pci_dev *dev)
 {
        u64 psl_dsnctl, psl_fircntl;
        u64 chipid;
        return 0;
 }
 
-static int init_implementation_adapter_xsl_regs(struct cxl *adapter, struct pci_dev *dev)
+static int init_implementation_adapter_regs_xsl(struct cxl *adapter, struct pci_dev *dev)
 {
        u64 xsl_dsnctl;
        u64 chipid;
        return;
 }
 
-static int init_implementation_afu_psl_regs(struct cxl_afu *afu)
+static int init_implementation_afu_regs_psl(struct cxl_afu *afu)
 {
        /* read/write masks for this slice */
        cxl_p1n_write(afu, CXL_PSL_APCALLOC_A, 0xFFFFFFFEFEFEFEFEULL);
        return 0;
 }
 
-static int sanitise_afu_regs(struct cxl_afu *afu)
+static int sanitise_afu_regs_psl(struct cxl_afu *afu)
 {
        u64 reg;
 
        if ((rc = pci_map_slice_regs(afu, adapter, dev)))
                return rc;
 
-       if ((rc = sanitise_afu_regs(afu)))
-               goto err1;
+       if (adapter->native->sl_ops->sanitise_afu_regs) {
+               rc = adapter->native->sl_ops->sanitise_afu_regs(afu);
+               if (rc)
+                       goto err1;
+       }
 
        /* We need to reset the AFU before we can read the AFU descriptor */
        if ((rc = cxl_ops->afu_reset(afu)))
 
 static int sanitise_adapter_regs(struct cxl *adapter)
 {
+       int rc = 0;
+
        /* Clear PSL tberror bit by writing 1 to it */
        cxl_p1_write(adapter, CXL_PSL_ErrIVTE, CXL_PSL_ErrIVTE_tberror);
-       return cxl_tlb_slb_invalidate(adapter);
+
+       if (adapter->native->sl_ops->invalidate_all)
+               rc = adapter->native->sl_ops->invalidate_all(adapter);
+
+       return rc;
 }
 
 /* This should contain *only* operations that can safely be done in
 }
 
 static const struct cxl_service_layer_ops psl_ops = {
-       .adapter_regs_init = init_implementation_adapter_psl_regs,
-       .afu_regs_init = init_implementation_afu_psl_regs,
+       .adapter_regs_init = init_implementation_adapter_regs_psl,
+       .invalidate_all = cxl_invalidate_all_psl,
+       .afu_regs_init = init_implementation_afu_regs_psl,
+       .sanitise_afu_regs = sanitise_afu_regs_psl,
        .register_serr_irq = cxl_native_register_serr_irq,
        .release_serr_irq = cxl_native_release_serr_irq,
-       .debugfs_add_adapter_sl_regs = cxl_debugfs_add_adapter_psl_regs,
-       .debugfs_add_afu_sl_regs = cxl_debugfs_add_afu_psl_regs,
-       .psl_irq_dump_registers = cxl_native_psl_irq_dump_regs,
+       .handle_interrupt = cxl_irq_psl,
+       .fail_irq = cxl_fail_irq_psl,
+       .activate_dedicated_process = cxl_activate_dedicated_process_psl,
+       .attach_afu_directed = cxl_attach_afu_directed_psl,
+       .attach_dedicated_process = cxl_attach_dedicated_process_psl,
+       .update_dedicated_ivtes = cxl_update_dedicated_ivtes_psl,
+       .debugfs_add_adapter_regs = cxl_debugfs_add_adapter_regs_psl,
+       .debugfs_add_afu_regs = cxl_debugfs_add_afu_regs_psl,
+       .psl_irq_dump_registers = cxl_native_irq_dump_regs_psl,
        .err_irq_dump_registers = cxl_native_err_irq_dump_regs,
-       .debugfs_stop_trace = cxl_stop_trace,
+       .debugfs_stop_trace = cxl_stop_trace_psl,
        .write_timebase_ctrl = write_timebase_ctrl_psl,
        .timebase_read = timebase_read_psl,
        .capi_mode = OPAL_PHB_CAPI_MODE_CAPI,
 };
 
 static const struct cxl_service_layer_ops xsl_ops = {
-       .adapter_regs_init = init_implementation_adapter_xsl_regs,
-       .debugfs_add_adapter_sl_regs = cxl_debugfs_add_adapter_xsl_regs,
+       .adapter_regs_init = init_implementation_adapter_regs_xsl,
+       .invalidate_all = cxl_invalidate_all_psl,
+       .sanitise_afu_regs = sanitise_afu_regs_psl,
+       .handle_interrupt = cxl_irq_psl,
+       .fail_irq = cxl_fail_irq_psl,
+       .activate_dedicated_process = cxl_activate_dedicated_process_psl,
+       .attach_afu_directed = cxl_attach_afu_directed_psl,
+       .attach_dedicated_process = cxl_attach_dedicated_process_psl,
+       .update_dedicated_ivtes = cxl_update_dedicated_ivtes_psl,
+       .debugfs_add_adapter_regs = cxl_debugfs_add_adapter_regs_xsl,
        .write_timebase_ctrl = write_timebase_ctrl_xsl,
        .timebase_read = timebase_read_xsl,
        .capi_mode = OPAL_PHB_CAPI_MODE_DMA,