[SCSI] hpsa: do ioaccel mode 2 resource allocations

Signed-off-by: Mike Miller <michael.miller@canonical.com>
Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>

diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
index 1c6bd79..600f312 100644 (file)
--- a/drivers/scsi/hpsa.c
+++ b/drivers/scsi/hpsa.c
@@ -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 @@ clean_up:
        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 */

diff --git a/drivers/scsi/hpsa.h b/drivers/scsi/hpsa.h
index 74eb22a..2a4a0cb 100644 (file)
--- a/drivers/scsi/hpsa.h
+++ b/drivers/scsi/hpsa.h
@@ -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;