Commit 222f1189 authored by Ching Huang's avatar Ching Huang Committed by Martin K. Petersen
Browse files

scsi: arcmsr: Merge arcmsr_alloc_io_queue to arcmsr_alloc_ccb_pool 



From Ching Huang <ching2048@areca.com.tw>

Merge arcmsr_alloc_io_queue to arcmsr_alloc_ccb_pool

Signed-off-by: default avatarChing Huang <ching2048@areca.com.tw>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent 609d0858

drivers/scsi/arcmsr/arcmsr_hba.c

+77 −50
Original line number Diff line number Diff line
@@ -576,27 +576,10 @@ static void arcmsr_flush_adapter_cache(struct AdapterControlBlock *acb) 
	}

}



static bool arcmsr_alloc_io_queue(struct AdapterControlBlock *acb)

static void arcmsr_hbaB_assign_regAddr(struct AdapterControlBlock *acb)

{

	bool rtn = true;

	void *dma_coherent;

	dma_addr_t dma_coherent_handle;

	struct pci_dev *pdev = acb->pdev;

	struct MessageUnit_B *reg = acb->pmuB;



	switch (acb->adapter_type) {

	case ACB_ADAPTER_TYPE_B: {

		struct MessageUnit_B *reg;

		acb->ioqueue_size = roundup(sizeof(struct MessageUnit_B), 32);

		dma_coherent = dma_zalloc_coherent(&pdev->dev, acb->ioqueue_size,

			&dma_coherent_handle, GFP_KERNEL);

		if (!dma_coherent) {

			pr_notice("arcmsr%d: DMA allocation failed\n", acb->host->host_no);

			return false;

		}

		acb->dma_coherent_handle2 = dma_coherent_handle;

		acb->dma_coherent2 = dma_coherent;

		reg = (struct MessageUnit_B *)dma_coherent;

		acb->pmuB = reg;

	if (acb->pdev->device == PCI_DEVICE_ID_ARECA_1203) {

		reg->drv2iop_doorbell = MEM_BASE0(ARCMSR_DRV2IOP_DOORBELL_1203);

		reg->drv2iop_doorbell_mask = MEM_BASE0(ARCMSR_DRV2IOP_DOORBELL_MASK_1203);
@@ -612,21 +595,11 @@ static bool arcmsr_alloc_io_queue(struct AdapterControlBlock *acb) 
	reg->message_rbuffer =  MEM_BASE1(ARCMSR_MESSAGE_RBUFFER);

	reg->message_rwbuffer = MEM_BASE1(ARCMSR_MESSAGE_RWBUFFER);

}

		break;

	case ACB_ADAPTER_TYPE_D: {

		struct MessageUnit_D *reg;



		acb->ioqueue_size = roundup(sizeof(struct MessageUnit_D), 32);

		dma_coherent = dma_zalloc_coherent(&pdev->dev, acb->ioqueue_size,

			&dma_coherent_handle, GFP_KERNEL);

		if (!dma_coherent) {

			pr_notice("arcmsr%d: DMA allocation failed\n", acb->host->host_no);

			return false;

		}

		acb->dma_coherent_handle2 = dma_coherent_handle;

		acb->dma_coherent2 = dma_coherent;

		reg = (struct MessageUnit_D *)dma_coherent;

		acb->pmuD = reg;

static void arcmsr_hbaD_assign_regAddr(struct AdapterControlBlock *acb)

{

	struct MessageUnit_D *reg = acb->pmuD;



	reg->chip_id = MEM_BASE0(ARCMSR_ARC1214_CHIP_ID);

	reg->cpu_mem_config = MEM_BASE0(ARCMSR_ARC1214_CPU_MEMORY_CONFIGURATION);

	reg->i2o_host_interrupt_mask = MEM_BASE0(ARCMSR_ARC1214_I2_HOST_INTERRUPT_MASK);
@@ -654,6 +627,42 @@ static bool arcmsr_alloc_io_queue(struct AdapterControlBlock *acb) 
	reg->message_rbuffer = MEM_BASE0(ARCMSR_ARC1214_MESSAGE_RBUFFER);

	reg->msgcode_rwbuffer = MEM_BASE0(ARCMSR_ARC1214_MESSAGE_RWBUFFER);

}



static bool arcmsr_alloc_io_queue(struct AdapterControlBlock *acb)

{

	bool rtn = true;

	void *dma_coherent;

	dma_addr_t dma_coherent_handle;

	struct pci_dev *pdev = acb->pdev;



	switch (acb->adapter_type) {

	case ACB_ADAPTER_TYPE_B: {

		acb->ioqueue_size = roundup(sizeof(struct MessageUnit_B), 32);

		dma_coherent = dma_zalloc_coherent(&pdev->dev, acb->ioqueue_size,

			&dma_coherent_handle, GFP_KERNEL);

		if (!dma_coherent) {

			pr_notice("arcmsr%d: DMA allocation failed\n", acb->host->host_no);

			return false;

		}

		acb->dma_coherent_handle2 = dma_coherent_handle;

		acb->dma_coherent2 = dma_coherent;

		acb->pmuB = (struct MessageUnit_B *)dma_coherent;

		arcmsr_hbaB_assign_regAddr(acb);

		}

		break;

	case ACB_ADAPTER_TYPE_D: {

		acb->ioqueue_size = roundup(sizeof(struct MessageUnit_D), 32);

		dma_coherent = dma_zalloc_coherent(&pdev->dev, acb->ioqueue_size,

			&dma_coherent_handle, GFP_KERNEL);

		if (!dma_coherent) {

			pr_notice("arcmsr%d: DMA allocation failed\n", acb->host->host_no);

			return false;

		}

		acb->dma_coherent_handle2 = dma_coherent_handle;

		acb->dma_coherent2 = dma_coherent;

		acb->pmuD = (struct MessageUnit_D *)dma_coherent;

		arcmsr_hbaD_assign_regAddr(acb);

		}

		break;

	case ACB_ADAPTER_TYPE_E: {

		uint32_t completeQ_size;
@@ -706,6 +715,7 @@ static int arcmsr_alloc_ccb_pool(struct AdapterControlBlock *acb) 
	acb->host->sg_tablesize = max_sg_entrys;

	roundup_ccbsize = roundup(sizeof(struct CommandControlBlock) + (max_sg_entrys - 1) * sizeof(struct SG64ENTRY), 32);

	acb->uncache_size = roundup_ccbsize * acb->maxFreeCCB;

	acb->uncache_size += acb->ioqueue_size;

	dma_coherent = dma_alloc_coherent(&pdev->dev, acb->uncache_size, &dma_coherent_handle, GFP_KERNEL);

	if(!dma_coherent){

		printk(KERN_NOTICE "arcmsr%d: dma_alloc_coherent got error\n", acb->host->host_no);
@@ -738,6 +748,23 @@ static int arcmsr_alloc_ccb_pool(struct AdapterControlBlock *acb) 
		ccb_tmp = (struct CommandControlBlock *)((unsigned long)ccb_tmp + roundup_ccbsize);

		dma_coherent_handle = dma_coherent_handle + roundup_ccbsize;

	}

	acb->dma_coherent_handle2 = dma_coherent_handle;

	acb->dma_coherent2 = ccb_tmp;

	switch (acb->adapter_type) {

	case ACB_ADAPTER_TYPE_B:

		acb->pmuB = (struct MessageUnit_B *)acb->dma_coherent2;

		arcmsr_hbaB_assign_regAddr(acb);

		break;

	case ACB_ADAPTER_TYPE_D:

		acb->pmuD = (struct MessageUnit_D *)acb->dma_coherent2;

		arcmsr_hbaD_assign_regAddr(acb);

		break;

	case ACB_ADAPTER_TYPE_E:

		acb->pCompletionQ = acb->dma_coherent2;

		acb->completionQ_entry = acb->ioqueue_size / sizeof(struct deliver_completeQ);

		acb->doneq_index = 0;

		break;

	}	

	return 0;

}
@@ -959,9 +986,10 @@ static int arcmsr_probe(struct pci_dev *pdev, const struct pci_device_id *id) 
	if(!error){

		goto free_hbb_mu;

	}

	arcmsr_free_io_queue(acb);

	error = arcmsr_alloc_ccb_pool(acb);

	if(error){

		goto free_hbb_mu;

		goto unmap_pci_region;

	}

	error = scsi_add_host(host, &pdev->dev);

	if(error){
@@ -989,6 +1017,7 @@ scsi_host_remove: 
	scsi_remove_host(host);

free_ccb_pool:

	arcmsr_free_ccb_pool(acb);

	goto unmap_pci_region;

free_hbb_mu:

	arcmsr_free_io_queue(acb);

unmap_pci_region:
@@ -1500,7 +1529,6 @@ static void arcmsr_free_pcidev(struct AdapterControlBlock *acb) 
	pdev = acb->pdev;

	arcmsr_free_irq(pdev, acb);

	arcmsr_free_ccb_pool(acb);

	arcmsr_free_io_queue(acb);

	arcmsr_unmap_pciregion(acb);

	pci_release_regions(pdev);

	scsi_host_put(host);
@@ -1558,7 +1586,6 @@ static void arcmsr_remove(struct pci_dev *pdev) 
	}

	arcmsr_free_irq(pdev, acb);

	arcmsr_free_ccb_pool(acb);

	arcmsr_free_io_queue(acb);

	arcmsr_unmap_pciregion(acb);

	pci_release_regions(pdev);

	scsi_host_put(host);

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