diff options
| author | Leubner, Achim <Achim_Leubner@adaptec.com> | 2009-04-01 07:16:08 -0700 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@HansenPartnership.com> | 2009-04-03 09:23:11 -0500 |
| commit | d8e965076514dcb16410c0d18c6c8de4dcba19fc (patch) | |
| tree | 8793c7b73c1af93200a4fe01bf6ca67c977e6c71 /drivers/scsi/aacraid/comminit.c | |
| parent | d58069adc6f59f48bf96a72e6df68a670ff1b3bc (diff) | |
| download | linux-d8e965076514dcb16410c0d18c6c8de4dcba19fc.tar.gz linux-d8e965076514dcb16410c0d18c6c8de4dcba19fc.tar.bz2 linux-d8e965076514dcb16410c0d18c6c8de4dcba19fc.zip | |
[SCSI] aacraid driver update
changes:
- set aac_cache=2 as default value to avoid performance problem
(Novell bugzilla #469922)
- Dell/PERC controller boot problem fixed (RedHat bugzilla #457552)
- WWN flag added to fix SLES10 SP1/SP2 drive detection problems
- 64-bit support changes
- DECLARE_PCI_DEVICE_TABLE macro added
- controller type changes
Signed-off-by: Achim Leubner <aacraid@adaptec.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Diffstat (limited to 'drivers/scsi/aacraid/comminit.c')
| -rw-r--r-- | drivers/scsi/aacraid/comminit.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/scsi/aacraid/comminit.c b/drivers/scsi/aacraid/comminit.c index 16310443b55a..d598eba630d0 100644 --- a/drivers/scsi/aacraid/comminit.c +++ b/drivers/scsi/aacraid/comminit.c @@ -54,6 +54,7 @@ static int aac_alloc_comm(struct aac_dev *dev, void **commaddr, unsigned long co const unsigned long printfbufsiz = 256; struct aac_init *init; dma_addr_t phys; + unsigned long aac_max_hostphysmempages; size = fibsize + sizeof(struct aac_init) + commsize + commalign + printfbufsiz; @@ -90,7 +91,18 @@ static int aac_alloc_comm(struct aac_dev *dev, void **commaddr, unsigned long co init->AdapterFibsPhysicalAddress = cpu_to_le32((u32)phys); init->AdapterFibsSize = cpu_to_le32(fibsize); init->AdapterFibAlign = cpu_to_le32(sizeof(struct hw_fib)); - init->HostPhysMemPages = cpu_to_le32(AAC_MAX_HOSTPHYSMEMPAGES); + /* + * number of 4k pages of host physical memory. The aacraid fw needs + * this number to be less than 4gb worth of pages. New firmware doesn't + * have any issues with the mapping system, but older Firmware did, and + * had *troubles* dealing with the math overloading past 32 bits, thus + * we must limit this field. + */ + aac_max_hostphysmempages = dma_get_required_mask(&dev->pdev->dev) >> 12; + if (aac_max_hostphysmempages < AAC_MAX_HOSTPHYSMEMPAGES) + init->HostPhysMemPages = cpu_to_le32(aac_max_hostphysmempages); + else + init->HostPhysMemPages = cpu_to_le32(AAC_MAX_HOSTPHYSMEMPAGES); init->InitFlags = 0; if (dev->comm_interface == AAC_COMM_MESSAGE) { |