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Commit aca9012a authored by Stephen M. Cameron's avatar Stephen M. Cameron Committed by James Bottomley
Browse files

[SCSI] hpsa: do ioaccel mode 2 resource allocations 



Signed-off-by: default avatarMike Miller <michael.miller@canonical.com>
Signed-off-by: default avatarStephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: default avatarJames Bottomley <JBottomley@Parallels.com>
parent 1f7cee8c

drivers/scsi/hpsa.c

+50 −0
Original line number Diff line number Diff line
@@ -5291,6 +5291,10 @@ static void hpsa_free_cmd_pool(struct ctlr_info *h) 
		pci_free_consistent(h->pdev,

			    h->nr_cmds * sizeof(struct CommandList),

			    h->cmd_pool, h->cmd_pool_dhandle);

	if (h->ioaccel2_cmd_pool)

		pci_free_consistent(h->pdev,

			h->nr_cmds * sizeof(*h->ioaccel2_cmd_pool),

			h->ioaccel2_cmd_pool, h->ioaccel2_cmd_pool_dhandle);

	if (h->errinfo_pool)

		pci_free_consistent(h->pdev,

			    h->nr_cmds * sizeof(struct ErrorInfo),
@@ -5829,6 +5833,7 @@ static void hpsa_remove_one(struct pci_dev *pdev) 
	kfree(h->cmd_pool_bits);

	kfree(h->blockFetchTable);

	kfree(h->ioaccel1_blockFetchTable);

	kfree(h->ioaccel2_blockFetchTable);

	kfree(h->hba_inquiry_data);

	pci_disable_device(pdev);

	pci_release_regions(pdev);
@@ -6048,6 +6053,44 @@ static int hpsa_alloc_ioaccel_cmd_and_bft(struct ctlr_info *h) 
	return 1;

}



static int ioaccel2_alloc_cmds_and_bft(struct ctlr_info *h)

{

	/* Allocate ioaccel2 mode command blocks and block fetch table */



	h->ioaccel_maxsg =

		readl(&(h->cfgtable->io_accel_max_embedded_sg_count));

	if (h->ioaccel_maxsg > IOACCEL2_MAXSGENTRIES)

		h->ioaccel_maxsg = IOACCEL2_MAXSGENTRIES;



#define IOACCEL2_COMMANDLIST_ALIGNMENT 128

	BUILD_BUG_ON(sizeof(struct io_accel2_cmd) %

			IOACCEL2_COMMANDLIST_ALIGNMENT);

	h->ioaccel2_cmd_pool =

		pci_alloc_consistent(h->pdev,

			h->nr_cmds * sizeof(*h->ioaccel2_cmd_pool),

			&(h->ioaccel2_cmd_pool_dhandle));



	h->ioaccel2_blockFetchTable =

		kmalloc(((h->ioaccel_maxsg + 1) *

				sizeof(u32)), GFP_KERNEL);



	if ((h->ioaccel2_cmd_pool == NULL) ||

		(h->ioaccel2_blockFetchTable == NULL))

		goto clean_up;



	memset(h->ioaccel2_cmd_pool, 0,

		h->nr_cmds * sizeof(*h->ioaccel2_cmd_pool));

	return 0;



clean_up:

	if (h->ioaccel2_cmd_pool)

		pci_free_consistent(h->pdev,

			h->nr_cmds * sizeof(*h->ioaccel2_cmd_pool),

			h->ioaccel2_cmd_pool, h->ioaccel2_cmd_pool_dhandle);

	kfree(h->ioaccel2_blockFetchTable);

	return 1;

}



static void hpsa_put_ctlr_into_performant_mode(struct ctlr_info *h)

{

	u32 trans_support;
@@ -6064,6 +6107,13 @@ static void hpsa_put_ctlr_into_performant_mode(struct ctlr_info *h) 
				CFGTBL_Trans_enable_directed_msix;

		if (hpsa_alloc_ioaccel_cmd_and_bft(h))

			goto clean_up;

	} else {

		if (trans_support & CFGTBL_Trans_io_accel2) {

				transMethod |= CFGTBL_Trans_io_accel2 |

				CFGTBL_Trans_enable_directed_msix;

		if (ioaccel2_alloc_cmds_and_bft(h))

			goto clean_up;

		}

	}



	/* TODO, check that this next line h->nreply_queues is correct */

drivers/scsi/hpsa.h

+3 −0
Original line number Diff line number Diff line
@@ -105,6 +105,8 @@ struct ctlr_info { 
	dma_addr_t		cmd_pool_dhandle;

	struct io_accel1_cmd	*ioaccel_cmd_pool;

	dma_addr_t		ioaccel_cmd_pool_dhandle;

	struct io_accel2_cmd	*ioaccel2_cmd_pool;

	dma_addr_t		ioaccel2_cmd_pool_dhandle;

	struct ErrorInfo 	*errinfo_pool;

	dma_addr_t		errinfo_pool_dhandle;

	unsigned long  		*cmd_pool_bits;
@@ -139,6 +141,7 @@ struct ctlr_info { 
	dma_addr_t reply_pool_dhandle;

	u32 *blockFetchTable;

	u32 *ioaccel1_blockFetchTable;

	u32 *ioaccel2_blockFetchTable;

	unsigned char *hba_inquiry_data;

	u32 driver_support;

	u32 fw_support;