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-rw-r--r--drivers/scsi/BusLogic.c52
1 files changed, 31 insertions, 21 deletions
diff --git a/drivers/scsi/BusLogic.c b/drivers/scsi/BusLogic.c
index feab3a5e50b..972f8176665 100644
--- a/drivers/scsi/BusLogic.c
+++ b/drivers/scsi/BusLogic.c
@@ -26,8 +26,8 @@
*/
-#define blogic_drvr_version "2.1.16"
-#define blogic_drvr_date "18 July 2002"
+#define blogic_drvr_version "2.1.17"
+#define blogic_drvr_date "12 September 2013"
#include <linux/module.h>
#include <linux/init.h>
@@ -311,12 +311,14 @@ static struct blogic_ccb *blogic_alloc_ccb(struct blogic_adapter *adapter)
caller.
*/
-static void blogic_dealloc_ccb(struct blogic_ccb *ccb)
+static void blogic_dealloc_ccb(struct blogic_ccb *ccb, int dma_unmap)
{
struct blogic_adapter *adapter = ccb->adapter;
- scsi_dma_unmap(ccb->command);
- pci_unmap_single(adapter->pci_device, ccb->sensedata,
+ if (ccb->command != NULL)
+ scsi_dma_unmap(ccb->command);
+ if (dma_unmap)
+ pci_unmap_single(adapter->pci_device, ccb->sensedata,
ccb->sense_datalen, PCI_DMA_FROMDEVICE);
ccb->command = NULL;
@@ -696,7 +698,7 @@ static int __init blogic_init_mm_probeinfo(struct blogic_adapter *adapter)
while ((pci_device = pci_get_device(PCI_VENDOR_ID_BUSLOGIC,
PCI_DEVICE_ID_BUSLOGIC_MULTIMASTER,
pci_device)) != NULL) {
- struct blogic_adapter *adapter = adapter;
+ struct blogic_adapter *host_adapter = adapter;
struct blogic_adapter_info adapter_info;
enum blogic_isa_ioport mod_ioaddr_req;
unsigned char bus;
@@ -744,9 +746,9 @@ static int __init blogic_init_mm_probeinfo(struct blogic_adapter *adapter)
known and enabled, note that the particular Standard ISA I/O
Address should not be probed.
*/
- adapter->io_addr = io_addr;
- blogic_intreset(adapter);
- if (blogic_cmd(adapter, BLOGIC_INQ_PCI_INFO, NULL, 0,
+ host_adapter->io_addr = io_addr;
+ blogic_intreset(host_adapter);
+ if (blogic_cmd(host_adapter, BLOGIC_INQ_PCI_INFO, NULL, 0,
&adapter_info, sizeof(adapter_info)) ==
sizeof(adapter_info)) {
if (adapter_info.isa_port < 6)
@@ -762,7 +764,7 @@ static int __init blogic_init_mm_probeinfo(struct blogic_adapter *adapter)
I/O Address assigned at system initialization.
*/
mod_ioaddr_req = BLOGIC_IO_DISABLE;
- blogic_cmd(adapter, BLOGIC_MOD_IOADDR, &mod_ioaddr_req,
+ blogic_cmd(host_adapter, BLOGIC_MOD_IOADDR, &mod_ioaddr_req,
sizeof(mod_ioaddr_req), NULL, 0);
/*
For the first MultiMaster Host Adapter enumerated,
@@ -779,12 +781,12 @@ static int __init blogic_init_mm_probeinfo(struct blogic_adapter *adapter)
fetch_localram.offset = BLOGIC_AUTOSCSI_BASE + 45;
fetch_localram.count = sizeof(autoscsi_byte45);
- blogic_cmd(adapter, BLOGIC_FETCH_LOCALRAM,
+ blogic_cmd(host_adapter, BLOGIC_FETCH_LOCALRAM,
&fetch_localram, sizeof(fetch_localram),
&autoscsi_byte45,
sizeof(autoscsi_byte45));
- blogic_cmd(adapter, BLOGIC_GET_BOARD_ID, NULL, 0, &id,
- sizeof(id));
+ blogic_cmd(host_adapter, BLOGIC_GET_BOARD_ID, NULL, 0,
+ &id, sizeof(id));
if (id.fw_ver_digit1 == '5')
force_scan_order =
autoscsi_byte45.force_scan_order;
@@ -2762,8 +2764,8 @@ static void blogic_process_ccbs(struct blogic_adapter *adapter)
/*
Place CCB back on the Host Adapter's free list.
*/
- blogic_dealloc_ccb(ccb);
-#if 0 /* this needs to be redone different for new EH */
+ blogic_dealloc_ccb(ccb, 1);
+#if 0 /* this needs to be redone different for new EH */
/*
Bus Device Reset CCBs have the command field
non-NULL only when a Bus Device Reset was requested
@@ -2791,7 +2793,7 @@ static void blogic_process_ccbs(struct blogic_adapter *adapter)
if (ccb->status == BLOGIC_CCB_RESET &&
ccb->tgt_id == tgt_id) {
command = ccb->command;
- blogic_dealloc_ccb(ccb);
+ blogic_dealloc_ccb(ccb, 1);
adapter->active_cmds[tgt_id]--;
command->result = DID_RESET << 16;
command->scsi_done(command);
@@ -2862,7 +2864,7 @@ static void blogic_process_ccbs(struct blogic_adapter *adapter)
/*
Place CCB back on the Host Adapter's free list.
*/
- blogic_dealloc_ccb(ccb);
+ blogic_dealloc_ccb(ccb, 1);
/*
Call the SCSI Command Completion Routine.
*/
@@ -3034,6 +3036,7 @@ static int blogic_qcmd_lck(struct scsi_cmnd *command,
int buflen = scsi_bufflen(command);
int count;
struct blogic_ccb *ccb;
+ dma_addr_t sense_buf;
/*
SCSI REQUEST_SENSE commands will be executed automatically by the
@@ -3179,10 +3182,17 @@ static int blogic_qcmd_lck(struct scsi_cmnd *command,
}
memcpy(ccb->cdb, cdb, cdblen);
ccb->sense_datalen = SCSI_SENSE_BUFFERSIZE;
- ccb->sensedata = pci_map_single(adapter->pci_device,
+ ccb->command = command;
+ sense_buf = pci_map_single(adapter->pci_device,
command->sense_buffer, ccb->sense_datalen,
PCI_DMA_FROMDEVICE);
- ccb->command = command;
+ if (dma_mapping_error(&adapter->pci_device->dev, sense_buf)) {
+ blogic_err("DMA mapping for sense data buffer failed\n",
+ adapter);
+ blogic_dealloc_ccb(ccb, 0);
+ return SCSI_MLQUEUE_HOST_BUSY;
+ }
+ ccb->sensedata = sense_buf;
command->scsi_done = comp_cb;
if (blogic_multimaster_type(adapter)) {
/*
@@ -3203,7 +3213,7 @@ static int blogic_qcmd_lck(struct scsi_cmnd *command,
if (!blogic_write_outbox(adapter, BLOGIC_MBOX_START,
ccb)) {
blogic_warn("Still unable to write Outgoing Mailbox - " "Host Adapter Dead?\n", adapter);
- blogic_dealloc_ccb(ccb);
+ blogic_dealloc_ccb(ccb, 1);
command->result = DID_ERROR << 16;
command->scsi_done(command);
}
@@ -3337,7 +3347,7 @@ static int blogic_resetadapter(struct blogic_adapter *adapter, bool hard_reset)
for (ccb = adapter->all_ccbs; ccb != NULL; ccb = ccb->next_all)
if (ccb->status == BLOGIC_CCB_ACTIVE)
- blogic_dealloc_ccb(ccb);
+ blogic_dealloc_ccb(ccb, 1);
/*
* Wait a few seconds between the Host Adapter Hard Reset which
* initiates a SCSI Bus Reset and issuing any SCSI Commands. Some
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-20 20:38:59 +0000