forked from ~ljy/RK356X_SDK_RELEASE
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hc
2024-05-13 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e 
 kernel/drivers/scsi/bnx2i/bnx2i_hwi.c
....@@ -181,7 +181,7 @@
181181 
182182 /**
183183  * bnx2i_get_rq_buf - copy RQ buffer contents to driver buffer
184
- * @conn:		iscsi connection on which RQ event occurred
184
+ * @bnx2i_conn:		iscsi connection on which RQ event occurred
185185  * @ptr:		driver buffer to which RQ buffer contents is to
186186  *			be copied
187187  * @len:		length of valid data inside RQ buf
....@@ -223,7 +223,7 @@
223223 
224224 /**
225225  * bnx2i_put_rq_buf - Replenish RQ buffer, if required ring on chip doorbell
226
- * @conn:	iscsi connection on which event to post
226
+ * @bnx2i_conn:	iscsi connection on which event to post
227227  * @count:	number of RQ buffer being posted to chip
228228  *
229229  * No need to ring hardware doorbell for 57710 family of devices
....@@ -253,13 +253,12 @@
253253 		writew(ep->qp.rq_prod_idx,
254254 		       ep->qp.ctx_base + CNIC_RECV_DOORBELL);
255255 	}
256
-	mmiowb();
257256 }
258257 
259258 
260259 /**
261260  * bnx2i_ring_sq_dbell - Ring SQ doorbell to wake-up the processing engine
262
- * @conn: 		iscsi connection to which new SQ entries belong
261
+ * @bnx2i_conn:		iscsi connection to which new SQ entries belong
263262  * @count: 		number of SQ WQEs to post
264263  *
265264  * SQ DB is updated in host memory and TX Doorbell is rung for 57710 family
....@@ -279,14 +278,12 @@
279278 		bnx2i_ring_577xx_doorbell(bnx2i_conn);
280279 	} else
281280 		writew(count, ep->qp.ctx_base + CNIC_SEND_DOORBELL);
282
-
283
-	mmiowb(); /* flush posted PCI writes */
284281 }
285282 
286283 
287284 /**
288285  * bnx2i_ring_dbell_update_sq_params - update SQ driver parameters
289
- * @conn:	iscsi connection to which new SQ entries belong
286
+ * @bnx2i_conn:	iscsi connection to which new SQ entries belong
290287  * @count:	number of SQ WQEs to post
291288  *
292289  * this routine will update SQ driver parameters and ring the doorbell
....@@ -323,9 +320,9 @@
323320 
324321 /**
325322  * bnx2i_send_iscsi_login - post iSCSI login request MP WQE to hardware
326
- * @conn:	iscsi connection
327
- * @cmd:	driver command structure which is requesting
328
- *		a WQE to sent to chip for further processing
323
+ * @bnx2i_conn:	iscsi connection
324
+ * @task: transport layer's command structure pointer which is requesting
325
+ *	  a WQE to sent to chip for further processing
329326  *
330327  * prepare and post an iSCSI Login request WQE to CNIC firmware
331328  */
....@@ -376,7 +373,7 @@
376373 
377374 /**
378375  * bnx2i_send_iscsi_tmf - post iSCSI task management request MP WQE to hardware
379
- * @conn:	iscsi connection
376
+ * @bnx2i_conn:	iscsi connection
380377  * @mtask:	driver command structure which is requesting
381378  *		a WQE to sent to chip for further processing
382379  *
....@@ -450,7 +447,7 @@
450447 
451448 /**
452449  * bnx2i_send_iscsi_text - post iSCSI text WQE to hardware
453
- * @conn:	iscsi connection
450
+ * @bnx2i_conn:	iscsi connection
454451  * @mtask:	driver command structure which is requesting
455452  *		a WQE to sent to chip for further processing
456453  *
....@@ -498,7 +495,7 @@
498495 
499496 /**
500497  * bnx2i_send_iscsi_scsicmd - post iSCSI scsicmd request WQE to hardware
501
- * @conn:	iscsi connection
498
+ * @bnx2i_conn:	iscsi connection
502499  * @cmd:	driver command structure which is requesting
503500  *		a WQE to sent to chip for further processing
504501  *
....@@ -520,9 +517,9 @@
520517 
521518 /**
522519  * bnx2i_send_iscsi_nopout - post iSCSI NOPOUT request WQE to hardware
523
- * @conn:		iscsi connection
524
- * @cmd:		driver command structure which is requesting
525
- *			a WQE to sent to chip for further processing
520
+ * @bnx2i_conn:		iscsi connection
521
+ * @task:		transport layer's command structure pointer which is
522
+ *                      requesting a WQE to sent to chip for further processing
526523  * @datap:		payload buffer pointer
527524  * @data_len:		payload data length
528525  * @unsol:		indicated whether nopout pdu is unsolicited pdu or
....@@ -582,9 +579,9 @@
582579 
583580 /**
584581  * bnx2i_send_iscsi_logout - post iSCSI logout request WQE to hardware
585
- * @conn:	iscsi connection
586
- * @cmd:	driver command structure which is requesting
587
- *		a WQE to sent to chip for further processing
582
+ * @bnx2i_conn:	iscsi connection
583
+ * @task:	transport layer's command structure pointer which is
584
+ *		requesting a WQE to sent to chip for further processing
588585  *
589586  * prepare and post logout request WQE to CNIC firmware
590587  */
....@@ -681,7 +678,8 @@
681678 
682679 /**
683680  * bnx2i_ep_ofld_timer - post iSCSI logout request WQE to hardware
684
- * @data:	endpoint (transport handle) structure pointer
681
+ * @t:	timer context used to fetch the endpoint (transport
682
+ *	handle) structure pointer
685683  *
686684  * routine to handle connection offload/destroy request timeout
687685  */
....@@ -1070,8 +1068,8 @@
10701068 
10711069 	/* Allocate memory area for actual SQ element */
10721070 	ep->qp.sq_virt =
1073
-		dma_zalloc_coherent(&hba->pcidev->dev, ep->qp.sq_mem_size,
1074
-					&ep->qp.sq_phys, GFP_KERNEL);
1071
+		dma_alloc_coherent(&hba->pcidev->dev, ep->qp.sq_mem_size,
1072
+				   &ep->qp.sq_phys, GFP_KERNEL);
10751073 	if (!ep->qp.sq_virt) {
10761074 		printk(KERN_ALERT "bnx2i: unable to alloc SQ BD memory %d\n",
10771075 				  ep->qp.sq_mem_size);
....@@ -1106,8 +1104,8 @@
11061104 
11071105 	/* Allocate memory area for actual CQ element */
11081106 	ep->qp.cq_virt =
1109
-		dma_zalloc_coherent(&hba->pcidev->dev, ep->qp.cq_mem_size,
1110
-					&ep->qp.cq_phys, GFP_KERNEL);
1107
+		dma_alloc_coherent(&hba->pcidev->dev, ep->qp.cq_mem_size,
1108
+				   &ep->qp.cq_phys, GFP_KERNEL);
11111109 	if (!ep->qp.cq_virt) {
11121110 		printk(KERN_ALERT "bnx2i: unable to alloc CQ BD memory %d\n",
11131111 				  ep->qp.cq_mem_size);
....@@ -1665,7 +1663,7 @@
16651663 
16661664 /**
16671665  * bnx2i_unsol_pdu_adjust_rq - makes adjustments to RQ after unsol pdu is recvd
1668
- * @conn:	iscsi connection
1666
+ * @bnx2i_conn:	iscsi connection
16691667  *
16701668  * Firmware advances RQ producer index for every unsolicited PDU even if
16711669  *	payload data length is '0'. This function makes corresponding
....@@ -1888,7 +1886,9 @@
18881886 
18891887 /**
18901888  * bnx2i_queue_scsi_cmd_resp - queue cmd completion to the percpu thread
1889
+ * @session:		iscsi session
18911890  * @bnx2i_conn:		bnx2i connection
1891
+ * @cqe:		pointer to newly DMA'ed CQE entry for processing
18921892  *
18931893  * this function is called by generic KCQ handler to queue all pending cmd
18941894  * completion CQEs
....@@ -1906,7 +1906,6 @@
19061906 	struct iscsi_task *task;
19071907 	struct scsi_cmnd *sc;
19081908 	int rc = 0;
1909
-	int cpu;
19101909 
19111910 	spin_lock(&session->back_lock);
19121911 	task = iscsi_itt_to_task(bnx2i_conn->cls_conn->dd_data,
....@@ -1917,14 +1916,9 @@
19171916 	}
19181917 	sc = task->sc;
19191918 
1920
-	if (!blk_rq_cpu_valid(sc->request))
1921
-		cpu = smp_processor_id();
1922
-	else
1923
-		cpu = sc->request->cpu;
1924
-
19251919 	spin_unlock(&session->back_lock);
19261920 
1927
-	p = &per_cpu(bnx2i_percpu, cpu);
1921
+	p = &per_cpu(bnx2i_percpu, blk_mq_rq_cpu(sc->request));
19281922 	spin_lock(&p->p_work_lock);
19291923 	if (unlikely(!p->iothread)) {
19301924 		rc = -EINVAL;
....@@ -2433,7 +2427,6 @@
24332427 {
24342428 	u32 cid_addr;
24352429 	struct bnx2i_endpoint *ep;
2436
-	u32 cid_num;
24372430 
24382431 	ep = bnx2i_find_ep_in_ofld_list(hba, ofld_kcqe->iscsi_conn_id);
24392432 	if (!ep) {
....@@ -2468,7 +2461,6 @@
24682461 	} else {
24692462 		ep->state = EP_STATE_OFLD_COMPL;
24702463 		cid_addr = ofld_kcqe->iscsi_conn_context_id;
2471
-		cid_num = bnx2i_get_cid_num(ep);
24722464 		ep->ep_cid = cid_addr;
24732465 		ep->qp.ctx_base = NULL;
24742466 	}
....@@ -2477,8 +2469,9 @@
24772469 
24782470 /**
24792471  * bnx2i_indicate_kcqe - process iscsi conn update completion KCQE
2480
- * @hba:		adapter structure pointer
2481
- * @update_kcqe:	kcqe pointer
2472
+ * @context:		adapter structure pointer
2473
+ * @kcqe:		kcqe pointer
2474
+ * @num_cqe:		number of kcqes to process
24822475  *
24832476  * Generic KCQ event handler/dispatcher
24842477  */
....@@ -2625,8 +2618,7 @@
26252618 
26262619 /**
26272620  * bnx2i_cm_remote_close - process received TCP FIN
2628
- * @hba:		adapter structure pointer
2629
- * @update_kcqe:	kcqe pointer
2621
+ * @cm_sk:	cnic sock structure pointer
26302622  *
26312623  * function callback exported via bnx2i - cnic driver interface to indicate
26322624  *	async TCP events such as FIN
....@@ -2642,8 +2634,7 @@
26422634 
26432635 /**
26442636  * bnx2i_cm_remote_abort - process TCP RST and start conn cleanup
2645
- * @hba:		adapter structure pointer
2646
- * @update_kcqe:	kcqe pointer
2637
+ * @cm_sk:	cnic sock structure pointer
26472638  *
26482639  * function callback exported via bnx2i - cnic driver interface to
26492640  *	indicate async TCP events (RST) sent by the peer.
....@@ -2680,10 +2671,9 @@
26802671 }
26812672 
26822673 
2683
-/**
2674
+/*
26842675  * bnx2i_cnic_cb - global template of bnx2i - cnic driver interface structure
26852676  *			carrying callback function pointers
2686
- *
26872677  */
26882678 struct cnic_ulp_ops bnx2i_cnic_cb = {
26892679 	.cnic_init = bnx2i_ulp_init,
....@@ -2726,7 +2716,7 @@
27262716 		reg_base = pci_resource_start(ep->hba->pcidev,
27272717 					      BNX2X_DOORBELL_PCI_BAR);
27282718 		reg_off = (1 << BNX2X_DB_SHIFT) * (cid_num & 0x1FFFF);
2729
-		ep->qp.ctx_base = ioremap_nocache(reg_base + reg_off, 4);
2719
+		ep->qp.ctx_base = ioremap(reg_base + reg_off, 4);
27302720 		if (!ep->qp.ctx_base)
27312721 			return -ENOMEM;
27322722 		goto arm_cq;
....@@ -2747,7 +2737,7 @@
27472737 		/* 5709 device in normal node and 5706/5708 devices */
27482738 		reg_off = CTX_OFFSET + (MB_KERNEL_CTX_SIZE * cid_num);
27492739 
2750
-	ep->qp.ctx_base = ioremap_nocache(ep->hba->reg_base + reg_off,
2740
+	ep->qp.ctx_base = ioremap(ep->hba->reg_base + reg_off,
27512741 					  MB_KERNEL_CTX_SIZE);
27522742 	if (!ep->qp.ctx_base)
27532743 		return -ENOMEM;