add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/scsi/3w-sas.c
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@@ -287,7 +287,9 @@
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 } /* End twl_post_command_packet() */
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 /* This function hands scsi cdb's to the firmware */
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-static int twl_scsiop_execute_scsi(TW_Device_Extension *tw_dev, int request_id, char *cdb, int use_sg, TW_SG_Entry_ISO *sglistarg)
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+static int twl_scsiop_execute_scsi(TW_Device_Extension *tw_dev, int request_id,
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+				   unsigned char *cdb, int use_sg,
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+				   TW_SG_Entry_ISO *sglistarg)
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 {
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 	TW_Command_Full *full_command_packet;
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 	TW_Command_Apache *command_packet;
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@@ -372,7 +374,7 @@
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 /* This function will read the aen queue from the isr */
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 static int twl_aen_read_queue(TW_Device_Extension *tw_dev, int request_id)
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 {
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-	char cdb[TW_MAX_CDB_LEN];
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+	unsigned char cdb[TW_MAX_CDB_LEN];
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 	TW_SG_Entry_ISO sglist[1];
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 	TW_Command_Full *full_command_packet;
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 	int retval = 1;
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@@ -554,7 +556,7 @@
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 static int twl_aen_drain_queue(TW_Device_Extension *tw_dev, int no_check_reset)
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 {
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 	int request_id = 0;
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-	char cdb[TW_MAX_CDB_LEN];
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+	unsigned char cdb[TW_MAX_CDB_LEN];
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 	TW_SG_Entry_ISO sglist[1];
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 	int finished = 0, count = 0;
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 	TW_Command_Full *full_command_packet;
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@@ -644,8 +646,9 @@
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 	unsigned long *cpu_addr;
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 	int retval = 1;
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-	cpu_addr = pci_zalloc_consistent(tw_dev->tw_pci_dev, size * TW_Q_LENGTH,
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-					 &dma_handle);
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+	cpu_addr = dma_alloc_coherent(&tw_dev->tw_pci_dev->dev,
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+				      size * TW_Q_LENGTH, &dma_handle,
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+				      GFP_KERNEL);
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 	if (!cpu_addr) {
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 		TW_PRINTK(tw_dev->host, TW_DRIVER, 0x5, "Memory allocation failed");
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 		goto out;
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@@ -899,19 +902,19 @@
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 static void twl_free_device_extension(TW_Device_Extension *tw_dev)
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 {
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 	if (tw_dev->command_packet_virt[0])
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-		pci_free_consistent(tw_dev->tw_pci_dev,
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+		dma_free_coherent(&tw_dev->tw_pci_dev->dev,
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 				    sizeof(TW_Command_Full)*TW_Q_LENGTH,
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 				    tw_dev->command_packet_virt[0],
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 				    tw_dev->command_packet_phys[0]);
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 	if (tw_dev->generic_buffer_virt[0])
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-		pci_free_consistent(tw_dev->tw_pci_dev,
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+		dma_free_coherent(&tw_dev->tw_pci_dev->dev,
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 				    TW_SECTOR_SIZE*TW_Q_LENGTH,
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 				    tw_dev->generic_buffer_virt[0],
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 				    tw_dev->generic_buffer_phys[0]);
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 	if (tw_dev->sense_buffer_virt[0])
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-		pci_free_consistent(tw_dev->tw_pci_dev,
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+		dma_free_coherent(&tw_dev->tw_pci_dev->dev,
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 				    sizeof(TW_Command_Apache_Header)*
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 				    TW_Q_LENGTH,
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 				    tw_dev->sense_buffer_virt[0],
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@@ -1548,7 +1551,6 @@
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 	.sg_tablesize		= TW_LIBERATOR_MAX_SGL_LENGTH,
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 	.max_sectors		= TW_MAX_SECTORS,
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 	.cmd_per_lun		= TW_MAX_CMDS_PER_LUN,
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-	.use_clustering		= ENABLE_CLUSTERING,
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 	.shost_attrs		= twl_host_attrs,
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 	.emulated		= 1,
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 	.no_write_same		= 1,
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@@ -1571,14 +1573,14 @@
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 	pci_set_master(pdev);
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 	pci_try_set_mwi(pdev);
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-	if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64))
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-	    || pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))
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-		if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32))
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-		    || pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) {
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-			TW_PRINTK(host, TW_DRIVER, 0x18, "Failed to set dma mask");
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-			retval = -ENODEV;
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-			goto out_disable_device;
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-		}
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+	retval = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64));
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+	if (retval)
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+		retval = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
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+	if (retval) {
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+		TW_PRINTK(host, TW_DRIVER, 0x18, "Failed to set dma mask");
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+		retval = -ENODEV;
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+		goto out_disable_device;
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+	}
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 	host = scsi_host_alloc(&driver_template, sizeof(TW_Device_Extension));
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 	if (!host) {
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@@ -1805,14 +1807,14 @@
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 	pci_set_master(pdev);
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 	pci_try_set_mwi(pdev);
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-	if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64))
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-	    || pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))
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-		if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32))
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-		    || pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) {
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-			TW_PRINTK(host, TW_DRIVER, 0x25, "Failed to set dma mask during resume");
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-			retval = -ENODEV;
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-			goto out_disable_device;
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-		}
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+	retval = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64));
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+	if (retval)
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+		retval = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
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+	if (retval) {
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+		TW_PRINTK(host, TW_DRIVER, 0x25, "Failed to set dma mask during resume");
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+		retval = -ENODEV;
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+		goto out_disable_device;
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+	}
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 	/* Initialize the card */
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 	if (twl_reset_sequence(tw_dev, 0)) {