crypto: qat - fix linking errors when PCI_IOV is disabled

JIRA: https://issues.redhat.com/browse/RHEL-52749
Upstream Status: merged into the linux.git

commit a5d8922
Author: Xin Zeng <xin.zeng@intel.com>
Date:   Mon Jun 10 22:37:56 2024 +0800

    crypto: qat - fix linking errors when PCI_IOV is disabled

    When CONFIG_PCI_IOV=n, the build of the QAT vfio pci variant driver
    fails reporting the following linking errors:

        ERROR: modpost: "qat_vfmig_open" [drivers/vfio/pci/qat/qat_vfio_pci.ko] undefined!
        ERROR: modpost: "qat_vfmig_resume" [drivers/vfio/pci/qat/qat_vfio_pci.ko] undefined!
        ERROR: modpost: "qat_vfmig_save_state" [drivers/vfio/pci/qat/qat_vfio_pci.ko] undefined!
        ERROR: modpost: "qat_vfmig_suspend" [drivers/vfio/pci/qat/qat_vfio_pci.ko] undefined!
        ERROR: modpost: "qat_vfmig_load_state" [drivers/vfio/pci/qat/qat_vfio_pci.ko] undefined!
        ERROR: modpost: "qat_vfmig_reset" [drivers/vfio/pci/qat/qat_vfio_pci.ko] undefined!
        ERROR: modpost: "qat_vfmig_save_setup" [drivers/vfio/pci/qat/qat_vfio_pci.ko] undefined!
        ERROR: modpost: "qat_vfmig_destroy" [drivers/vfio/pci/qat/qat_vfio_pci.ko] undefined!
        ERROR: modpost: "qat_vfmig_close" [drivers/vfio/pci/qat/qat_vfio_pci.ko] undefined!
        ERROR: modpost: "qat_vfmig_cleanup" [drivers/vfio/pci/qat/qat_vfio_pci.ko] undefined!
        WARNING: modpost: suppressed 1 unresolved symbol warnings because there were too many)

    Make live migration helpers provided by QAT PF driver always available
    even if CONFIG_PCI_IOV is not selected. This does not cause any side
    effect.

    Reported-by: Arnd Bergmann <arnd@arndb.de>
    Closes: https://lore.kernel.org/lkml/20240607153406.60355e6c.alex.williamson@redhat.com/T/
    Fixes: bb20881 ("vfio/qat: Add vfio_pci driver for Intel QAT SR-IOV VF devices")
    Signed-off-by: Xin Zeng <xin.zeng@intel.com>
    Reviewed-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
    Reviewed-by: Kevin Tian <kevin.tian@intel.com>
    Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

Signed-off-by: Vladis Dronov <vdronov@redhat.com>

Author: nefigtut

drivers/crypto/intel/qat/qat_common/Makefile

@@ -39,7 +39,8 @@ intel_qat-objs := adf_cfg.o \
 	adf_sysfs_rl.o \
 	qat_uclo.o \
 	qat_hal.o \
-	qat_bl.o
+	qat_bl.o \
+	qat_mig_dev.o
 
 intel_qat-$(CONFIG_DEBUG_FS) += adf_transport_debug.o \
 				adf_fw_counters.o \
@@ -56,6 +57,6 @@ intel_qat-$(CONFIG_DEBUG_FS) += adf_transport_debug.o \
 intel_qat-$(CONFIG_PCI_IOV) += adf_sriov.o adf_vf_isr.o adf_pfvf_utils.o \
 			       adf_pfvf_pf_msg.o adf_pfvf_pf_proto.o \
 			       adf_pfvf_vf_msg.o adf_pfvf_vf_proto.o \
-			       adf_gen2_pfvf.o adf_gen4_pfvf.o qat_mig_dev.o
+			       adf_gen2_pfvf.o adf_gen4_pfvf.o
 
 intel_qat-$(CONFIG_CRYPTO_DEV_QAT_ERROR_INJECTION) += adf_heartbeat_inject.o