summaryrefslogtreecommitdiff
path: root/drivers/scsi/aacraid/comminit.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/scsi/aacraid/comminit.c')
-rw-r--r--drivers/scsi/aacraid/comminit.c106
1 files changed, 100 insertions, 6 deletions
diff --git a/drivers/scsi/aacraid/comminit.c b/drivers/scsi/aacraid/comminit.c
index 177b094c7792..45db84ad322f 100644
--- a/drivers/scsi/aacraid/comminit.c
+++ b/drivers/scsi/aacraid/comminit.c
@@ -43,6 +43,8 @@
#include "aacraid.h"
+static void aac_define_int_mode(struct aac_dev *dev);
+
struct aac_common aac_config = {
.irq_mod = 1
};
@@ -51,7 +53,7 @@ static int aac_alloc_comm(struct aac_dev *dev, void **commaddr, unsigned long co
{
unsigned char *base;
unsigned long size, align;
- const unsigned long fibsize = 4096;
+ const unsigned long fibsize = dev->max_fib_size;
const unsigned long printfbufsiz = 256;
unsigned long host_rrq_size = 0;
struct aac_init *init;
@@ -91,7 +93,7 @@ static int aac_alloc_comm(struct aac_dev *dev, void **commaddr, unsigned long co
init->InitStructRevision = cpu_to_le32(ADAPTER_INIT_STRUCT_REVISION);
if (dev->max_fib_size != sizeof(struct hw_fib))
init->InitStructRevision = cpu_to_le32(ADAPTER_INIT_STRUCT_REVISION_4);
- init->MiniPortRevision = cpu_to_le32(Sa_MINIPORT_REVISION);
+ init->Sa_MSIXVectors = cpu_to_le32(Sa_MINIPORT_REVISION);
init->fsrev = cpu_to_le32(dev->fsrev);
/*
@@ -140,7 +142,8 @@ static int aac_alloc_comm(struct aac_dev *dev, void **commaddr, unsigned long co
INITFLAGS_NEW_COMM_TYPE2_SUPPORTED | INITFLAGS_FAST_JBOD_SUPPORTED);
init->HostRRQ_AddrHigh = cpu_to_le32((u32)((u64)dev->host_rrq_pa >> 32));
init->HostRRQ_AddrLow = cpu_to_le32((u32)(dev->host_rrq_pa & 0xffffffff));
- init->MiniPortRevision = cpu_to_le32(0L); /* number of MSI-X */
+ /* number of MSI-X */
+ init->Sa_MSIXVectors = cpu_to_le32(dev->max_msix);
dprintk((KERN_WARNING"aacraid: New Comm Interface type2 enabled\n"));
}
@@ -179,7 +182,7 @@ static int aac_alloc_comm(struct aac_dev *dev, void **commaddr, unsigned long co
static void aac_queue_init(struct aac_dev * dev, struct aac_queue * q, u32 *mem, int qsize)
{
- q->numpending = 0;
+ atomic_set(&q->numpending, 0);
q->dev = dev;
init_waitqueue_head(&q->cmdready);
INIT_LIST_HEAD(&q->cmdq);
@@ -228,6 +231,12 @@ int aac_send_shutdown(struct aac_dev * dev)
/* FIB should be freed only after getting the response from the F/W */
if (status != -ERESTARTSYS)
aac_fib_free(fibctx);
+ dev->adapter_shutdown = 1;
+ if ((dev->pdev->device == PMC_DEVICE_S7 ||
+ dev->pdev->device == PMC_DEVICE_S8 ||
+ dev->pdev->device == PMC_DEVICE_S9) &&
+ dev->msi_enabled)
+ aac_src_access_devreg(dev, AAC_ENABLE_INTX);
return status;
}
@@ -350,8 +359,10 @@ struct aac_dev *aac_init_adapter(struct aac_dev *dev)
dev->raw_io_interface = dev->raw_io_64 = 0;
if ((!aac_adapter_sync_cmd(dev, GET_ADAPTER_PROPERTIES,
- 0, 0, 0, 0, 0, 0, status+0, status+1, status+2, NULL, NULL)) &&
+ 0, 0, 0, 0, 0, 0,
+ status+0, status+1, status+2, status+3, NULL)) &&
(status[0] == 0x00000001)) {
+ dev->doorbell_mask = status[3];
if (status[1] & le32_to_cpu(AAC_OPT_NEW_COMM_64))
dev->raw_io_64 = 1;
dev->sync_mode = aac_sync_mode;
@@ -388,6 +399,9 @@ struct aac_dev *aac_init_adapter(struct aac_dev *dev)
}
}
}
+ dev->max_msix = 0;
+ dev->msi_enabled = 0;
+ dev->adapter_shutdown = 0;
if ((!aac_adapter_sync_cmd(dev, GET_COMM_PREFERRED_SETTINGS,
0, 0, 0, 0, 0, 0,
status+0, status+1, status+2, status+3, status+4))
@@ -461,6 +475,11 @@ struct aac_dev *aac_init_adapter(struct aac_dev *dev)
if (host->can_queue > AAC_NUM_IO_FIB)
host->can_queue = AAC_NUM_IO_FIB;
+ if (dev->pdev->device == PMC_DEVICE_S6 ||
+ dev->pdev->device == PMC_DEVICE_S7 ||
+ dev->pdev->device == PMC_DEVICE_S8 ||
+ dev->pdev->device == PMC_DEVICE_S9)
+ aac_define_int_mode(dev);
/*
* Ok now init the communication subsystem
*/
@@ -489,4 +508,79 @@ struct aac_dev *aac_init_adapter(struct aac_dev *dev)
return dev;
}
-
+static void aac_define_int_mode(struct aac_dev *dev)
+{
+
+ int i, msi_count;
+
+ msi_count = i = 0;
+ /* max. vectors from GET_COMM_PREFERRED_SETTINGS */
+ if (dev->max_msix == 0 ||
+ dev->pdev->device == PMC_DEVICE_S6 ||
+ dev->sync_mode) {
+ dev->max_msix = 1;
+ dev->vector_cap =
+ dev->scsi_host_ptr->can_queue +
+ AAC_NUM_MGT_FIB;
+ return;
+ }
+
+ msi_count = min(dev->max_msix,
+ (unsigned int)num_online_cpus());
+
+ dev->max_msix = msi_count;
+
+ if (msi_count > AAC_MAX_MSIX)
+ msi_count = AAC_MAX_MSIX;
+
+ for (i = 0; i < msi_count; i++)
+ dev->msixentry[i].entry = i;
+
+ if (msi_count > 1 &&
+ pci_find_capability(dev->pdev, PCI_CAP_ID_MSIX)) {
+ i = pci_enable_msix(dev->pdev,
+ dev->msixentry,
+ msi_count);
+ /* Check how many MSIX vectors are allocated */
+ if (i >= 0) {
+ dev->msi_enabled = 1;
+ if (i) {
+ msi_count = i;
+ if (pci_enable_msix(dev->pdev,
+ dev->msixentry,
+ msi_count)) {
+ dev->msi_enabled = 0;
+ printk(KERN_ERR "%s%d: MSIX not supported!! Will try MSI 0x%x.\n",
+ dev->name, dev->id, i);
+ }
+ }
+ } else {
+ dev->msi_enabled = 0;
+ printk(KERN_ERR "%s%d: MSIX not supported!! Will try MSI 0x%x.\n",
+ dev->name, dev->id, i);
+ }
+ }
+
+ if (!dev->msi_enabled) {
+ msi_count = 1;
+ i = pci_enable_msi(dev->pdev);
+
+ if (!i) {
+ dev->msi_enabled = 1;
+ dev->msi = 1;
+ } else {
+ printk(KERN_ERR "%s%d: MSI not supported!! Will try INTx 0x%x.\n",
+ dev->name, dev->id, i);
+ }
+ }
+
+ if (!dev->msi_enabled)
+ dev->max_msix = msi_count = 1;
+ else {
+ if (dev->max_msix > msi_count)
+ dev->max_msix = msi_count;
+ }
+ dev->vector_cap =
+ (dev->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB) /
+ msi_count;
+}
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-26 10:01:20 +0300