Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6

Pull crypto updates from Herbert Xu:
 "API:
   - Add the ability to abort a skcipher walk.

  Algorithms:
   - Fix XTS to actually do the stealing.
   - Add library helpers for AES and DES for single-block users.
   - Add library helpers for SHA256.
   - Add new DES key verification helper.
   - Add surrounding bits for ESSIV generator.
   - Add accelerations for aegis128.
   - Add test vectors for lzo-rle.

  Drivers:
   - Add i.MX8MQ support to caam.
   - Add gcm/ccm/cfb/ofb aes support in inside-secure.
   - Add ofb/cfb aes support in media-tek.
   - Add HiSilicon ZIP accelerator support.

  Others:
   - Fix potential race condition in padata.
   - Use unbound workqueues in padata"

* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (311 commits)
  crypto: caam - Cast to long first before pointer conversion
  crypto: ccree - enable CTS support in AES-XTS
  crypto: inside-secure - Probe transform record cache RAM sizes
  crypto: inside-secure - Base RD fetchcount on actual RD FIFO size
  crypto: inside-secure - Base CD fetchcount on actual CD FIFO size
  crypto: inside-secure - Enable extended algorithms on newer HW
  crypto: inside-secure: Corrected configuration of EIP96_TOKEN_CTRL
  crypto: inside-secure - Add EIP97/EIP197 and endianness detection
  padata: remove cpu_index from the parallel_queue
  padata: unbind parallel jobs from specific CPUs
  padata: use separate workqueues for parallel and serial work
  padata, pcrypt: take CPU hotplug lock internally in padata_alloc_possible
  crypto: pcrypt - remove padata cpumask notifier
  padata: make padata_do_parallel find alternate callback CPU
  workqueue: require CPU hotplug read exclusion for apply_workqueue_attrs
  workqueue: unconfine alloc/apply/free_workqueue_attrs()
  padata: allocate workqueue internally
  arm64: dts: imx8mq: Add CAAM node
  random: Use wait_event_freezable() in add_hwgenerator_randomness()
  crypto: ux500 - Fix COMPILE_TEST warnings
  ...

1 files changed, 143 insertions, 15 deletions

diff --git a/drivers/crypto/cavium/nitrox/nitrox_hal.c b/drivers/crypto/cavium/nitrox/nitrox_hal.c
index 3f0df60267a9..34a2f4f30a7e 100644
--- a/drivers/crypto/cavium/nitrox/nitrox_hal.c
+++ b/drivers/crypto/cavium/nitrox/nitrox_hal.c
@@ -241,12 +241,12 @@ void nitrox_config_pkt_solicit_ports(struct nitrox_device *ndev)
 }
 
 /**
- * enable_nps_interrupts - enable NPS interrutps
+ * enable_nps_core_interrupts - enable NPS core interrutps
  * @ndev: NITROX device.
  *
- * This includes NPS core, packet in and slc interrupts.
+ * This includes NPS core interrupts.
  */
-static void enable_nps_interrupts(struct nitrox_device *ndev)
+static void enable_nps_core_interrupts(struct nitrox_device *ndev)
 {
 	union nps_core_int_ena_w1s core_int;
 
@@ -258,18 +258,9 @@ static void enable_nps_interrupts(struct nitrox_device *ndev)
 	core_int.s.npco_dma_malform = 1;
 	core_int.s.host_nps_wr_err = 1;
 	nitrox_write_csr(ndev, NPS_CORE_INT_ENA_W1S, core_int.value);
-
-	/* NPS packet in ring interrupts */
-	nitrox_write_csr(ndev, NPS_PKT_IN_RERR_LO_ENA_W1S, (~0ULL));
-	nitrox_write_csr(ndev, NPS_PKT_IN_RERR_HI_ENA_W1S, (~0ULL));
-	nitrox_write_csr(ndev, NPS_PKT_IN_ERR_TYPE_ENA_W1S, (~0ULL));
-	/* NPS packet slc port interrupts */
-	nitrox_write_csr(ndev, NPS_PKT_SLC_RERR_HI_ENA_W1S, (~0ULL));
-	nitrox_write_csr(ndev, NPS_PKT_SLC_RERR_LO_ENA_W1S, (~0ULL));
-	nitrox_write_csr(ndev, NPS_PKT_SLC_ERR_TYPE_ENA_W1S, (~0uLL));
 }
 
-void nitrox_config_nps_unit(struct nitrox_device *ndev)
+void nitrox_config_nps_core_unit(struct nitrox_device *ndev)
 {
 	union nps_core_gbl_vfcfg core_gbl_vfcfg;
 
@@ -281,12 +272,149 @@ void nitrox_config_nps_unit(struct nitrox_device *ndev)
 	core_gbl_vfcfg.s.ilk_disable = 1;
 	core_gbl_vfcfg.s.cfg = __NDEV_MODE_PF;
 	nitrox_write_csr(ndev, NPS_CORE_GBL_VFCFG, core_gbl_vfcfg.value);
+
+	/* enable nps core interrupts */
+	enable_nps_core_interrupts(ndev);
+}
+
+/**
+ * enable_nps_pkt_interrupts - enable NPS packet interrutps
+ * @ndev: NITROX device.
+ *
+ * This includes NPS packet in and slc interrupts.
+ */
+static void enable_nps_pkt_interrupts(struct nitrox_device *ndev)
+{
+	/* NPS packet in ring interrupts */
+	nitrox_write_csr(ndev, NPS_PKT_IN_RERR_LO_ENA_W1S, (~0ULL));
+	nitrox_write_csr(ndev, NPS_PKT_IN_RERR_HI_ENA_W1S, (~0ULL));
+	nitrox_write_csr(ndev, NPS_PKT_IN_ERR_TYPE_ENA_W1S, (~0ULL));
+	/* NPS packet slc port interrupts */
+	nitrox_write_csr(ndev, NPS_PKT_SLC_RERR_HI_ENA_W1S, (~0ULL));
+	nitrox_write_csr(ndev, NPS_PKT_SLC_RERR_LO_ENA_W1S, (~0ULL));
+	nitrox_write_csr(ndev, NPS_PKT_SLC_ERR_TYPE_ENA_W1S, (~0uLL));
+}
+
+void nitrox_config_nps_pkt_unit(struct nitrox_device *ndev)
+{
 	/* config input and solicit ports */
 	nitrox_config_pkt_input_rings(ndev);
 	nitrox_config_pkt_solicit_ports(ndev);
 
-	/* enable interrupts */
-	enable_nps_interrupts(ndev);
+	/* enable nps packet interrupts */
+	enable_nps_pkt_interrupts(ndev);
+}
+
+static void reset_aqm_ring(struct nitrox_device *ndev, int ring)
+{
+	union aqmq_en aqmq_en_reg;
+	union aqmq_activity_stat activity_stat;
+	union aqmq_cmp_cnt cmp_cnt;
+	int max_retries = MAX_CSR_RETRIES;
+	u64 offset;
+
+	/* step 1: disable the queue */
+	offset = AQMQ_ENX(ring);
+	aqmq_en_reg.value = 0;
+	aqmq_en_reg.queue_enable = 0;
+	nitrox_write_csr(ndev, offset, aqmq_en_reg.value);
+
+	/* step 2: wait for AQMQ_ACTIVITY_STATX[QUEUE_ACTIVE] to clear */
+	usleep_range(100, 150);
+	offset = AQMQ_ACTIVITY_STATX(ring);
+	do {
+		activity_stat.value = nitrox_read_csr(ndev, offset);
+		if (!activity_stat.queue_active)
+			break;
+		udelay(50);
+	} while (max_retries--);
+
+	/* step 3: clear commands completed count */
+	offset = AQMQ_CMP_CNTX(ring);
+	cmp_cnt.value = nitrox_read_csr(ndev, offset);
+	nitrox_write_csr(ndev, offset, cmp_cnt.value);
+	usleep_range(50, 100);
+}
+
+void enable_aqm_ring(struct nitrox_device *ndev, int ring)
+{
+	union aqmq_en aqmq_en_reg;
+	u64 offset;
+
+	offset = AQMQ_ENX(ring);
+	aqmq_en_reg.value = 0;
+	aqmq_en_reg.queue_enable = 1;
+	nitrox_write_csr(ndev, offset, aqmq_en_reg.value);
+	usleep_range(50, 100);
+}
+
+void nitrox_config_aqm_rings(struct nitrox_device *ndev)
+{
+	int ring;
+
+	for (ring = 0; ring < ndev->nr_queues; ring++) {
+		struct nitrox_cmdq *cmdq = ndev->aqmq[ring];
+		union aqmq_drbl drbl;
+		union aqmq_qsz qsize;
+		union aqmq_cmp_thr cmp_thr;
+		u64 offset;
+
+		/* steps 1 - 3 */
+		reset_aqm_ring(ndev, ring);
+
+		/* step 4: clear doorbell count of ring */
+		offset = AQMQ_DRBLX(ring);
+		drbl.value = 0;
+		drbl.dbell_count = 0xFFFFFFFF;
+		nitrox_write_csr(ndev, offset, drbl.value);
+
+		/* step 5: configure host ring details */
+
+		/* set host address for next command of ring */
+		offset = AQMQ_NXT_CMDX(ring);
+		nitrox_write_csr(ndev, offset, 0ULL);
+
+		/* set host address of ring base */
+		offset = AQMQ_BADRX(ring);
+		nitrox_write_csr(ndev, offset, cmdq->dma);
+
+		/* set ring size */
+		offset = AQMQ_QSZX(ring);
+		qsize.value = 0;
+		qsize.host_queue_size = ndev->qlen;
+		nitrox_write_csr(ndev, offset, qsize.value);
+
+		/* set command completion threshold */
+		offset = AQMQ_CMP_THRX(ring);
+		cmp_thr.value = 0;
+		cmp_thr.commands_completed_threshold = 1;
+		nitrox_write_csr(ndev, offset, cmp_thr.value);
+
+		/* step 6: enable the queue */
+		enable_aqm_ring(ndev, ring);
+	}
+}
+
+static void enable_aqm_interrupts(struct nitrox_device *ndev)
+{
+	/* clear interrupt enable bits */
+	nitrox_write_csr(ndev, AQM_DBELL_OVF_LO_ENA_W1S, (~0ULL));
+	nitrox_write_csr(ndev, AQM_DBELL_OVF_HI_ENA_W1S, (~0ULL));
+	nitrox_write_csr(ndev, AQM_DMA_RD_ERR_LO_ENA_W1S, (~0ULL));
+	nitrox_write_csr(ndev, AQM_DMA_RD_ERR_HI_ENA_W1S, (~0ULL));
+	nitrox_write_csr(ndev, AQM_EXEC_NA_LO_ENA_W1S, (~0ULL));
+	nitrox_write_csr(ndev, AQM_EXEC_NA_HI_ENA_W1S, (~0ULL));
+	nitrox_write_csr(ndev, AQM_EXEC_ERR_LO_ENA_W1S, (~0ULL));
+	nitrox_write_csr(ndev, AQM_EXEC_ERR_HI_ENA_W1S, (~0ULL));
+}
+
+void nitrox_config_aqm_unit(struct nitrox_device *ndev)
+{
+	/* config aqm command queues */
+	nitrox_config_aqm_rings(ndev);
+
+	/* enable aqm interrupts */
+	enable_aqm_interrupts(ndev);
 }
 
 void nitrox_config_pom_unit(struct nitrox_device *ndev)