From 0b9715e64f7d46a9620d4d5042a5e28f5595ed54 Mon Sep 17 00:00:00 2001 From: Amit Kumar Salecha Date: Tue, 11 May 2010 23:53:05 +0000 Subject: netxen: handle queue manager access Check the access by tools for hardware queue engine and handle it separately than other block registers, otherwise incorrect data is returned. Support for only NX3031 based cards. Acked-by: Dhananjay Phadke Signed-off-by: Amit Kumar Salecha Signed-off-by: David S. Miller --- drivers/net/netxen/netxen_nic_main.c | 44 +++++++++++++++++++++++++++++------- 1 file changed, 36 insertions(+), 8 deletions(-) (limited to 'drivers/net/netxen/netxen_nic_main.c') diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c index b665b420a4f2..692e672d303d 100644 --- a/drivers/net/netxen/netxen_nic_main.c +++ b/drivers/net/netxen/netxen_nic_main.c @@ -2537,14 +2537,24 @@ static int netxen_sysfs_validate_crb(struct netxen_adapter *adapter, loff_t offset, size_t size) { + size_t crb_size = 4; + if (!(adapter->flags & NETXEN_NIC_DIAG_ENABLED)) return -EIO; - if ((size != 4) || (offset & 0x3)) - return -EINVAL; + if (offset < NETXEN_PCI_CRBSPACE) { + if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) + return -EINVAL; - if (offset < NETXEN_PCI_CRBSPACE) - return -EINVAL; + if (ADDR_IN_RANGE(offset, NETXEN_PCI_CAMQM, + NETXEN_PCI_CAMQM_2M_END)) + crb_size = 8; + else + return -EINVAL; + } + + if ((size != crb_size) || (offset & (crb_size-1))) + return -EINVAL; return 0; } @@ -2556,14 +2566,23 @@ netxen_sysfs_read_crb(struct kobject *kobj, struct bin_attribute *attr, struct device *dev = container_of(kobj, struct device, kobj); struct netxen_adapter *adapter = dev_get_drvdata(dev); u32 data; + u64 qmdata; int ret; ret = netxen_sysfs_validate_crb(adapter, offset, size); if (ret != 0) return ret; - data = NXRD32(adapter, offset); - memcpy(buf, &data, size); + if (NX_IS_REVISION_P3(adapter->ahw.revision_id) && + ADDR_IN_RANGE(offset, NETXEN_PCI_CAMQM, + NETXEN_PCI_CAMQM_2M_END)) { + netxen_pci_camqm_read_2M(adapter, offset, &qmdata); + memcpy(buf, &qmdata, size); + } else { + data = NXRD32(adapter, offset); + memcpy(buf, &data, size); + } + return size; } @@ -2574,14 +2593,23 @@ netxen_sysfs_write_crb(struct kobject *kobj, struct bin_attribute *attr, struct device *dev = container_of(kobj, struct device, kobj); struct netxen_adapter *adapter = dev_get_drvdata(dev); u32 data; + u64 qmdata; int ret; ret = netxen_sysfs_validate_crb(adapter, offset, size); if (ret != 0) return ret; - memcpy(&data, buf, size); - NXWR32(adapter, offset, data); + if (NX_IS_REVISION_P3(adapter->ahw.revision_id) && + ADDR_IN_RANGE(offset, NETXEN_PCI_CAMQM, + NETXEN_PCI_CAMQM_2M_END)) { + memcpy(&qmdata, buf, size); + netxen_pci_camqm_write_2M(adapter, offset, qmdata); + } else { + memcpy(&data, buf, size); + NXWR32(adapter, offset, data); + } + return size; } -- cgit v1.2.3