static void __unmap_scsi_data(struct pci_dev *pdev, struct scsi_cmnd *cmd)
{
- int dma_dir = cmd->sc_data_direction;
+ if (SYM_UCMD_PTR(cmd)->data_mapped)
+ scsi_dma_unmap(cmd);
- switch(SYM_UCMD_PTR(cmd)->data_mapped) {
- case 2:
- pci_unmap_sg(pdev, cmd->request_buffer, cmd->use_sg, dma_dir);
- break;
- case 1:
- pci_unmap_single(pdev, SYM_UCMD_PTR(cmd)->data_mapping,
- cmd->request_bufflen, dma_dir);
- break;
- }
SYM_UCMD_PTR(cmd)->data_mapped = 0;
}
-static dma_addr_t __map_scsi_single_data(struct pci_dev *pdev, struct scsi_cmnd *cmd)
-{
- dma_addr_t mapping;
- int dma_dir = cmd->sc_data_direction;
-
- mapping = pci_map_single(pdev, cmd->request_buffer,
- cmd->request_bufflen, dma_dir);
- if (mapping) {
- SYM_UCMD_PTR(cmd)->data_mapped = 1;
- SYM_UCMD_PTR(cmd)->data_mapping = mapping;
- }
-
- return mapping;
-}
-
static int __map_scsi_sg_data(struct pci_dev *pdev, struct scsi_cmnd *cmd)
{
int use_sg;
- int dma_dir = cmd->sc_data_direction;
- use_sg = pci_map_sg(pdev, cmd->request_buffer, cmd->use_sg, dma_dir);
+ use_sg = scsi_dma_map(cmd);
if (use_sg > 0) {
SYM_UCMD_PTR(cmd)->data_mapped = 2;
SYM_UCMD_PTR(cmd)->data_mapping = use_sg;
#define unmap_scsi_data(np, cmd) \
__unmap_scsi_data(np->s.device, cmd)
-#define map_scsi_single_data(np, cmd) \
- __map_scsi_single_data(np->s.device, cmd)
#define map_scsi_sg_data(np, cmd) \
__map_scsi_sg_data(np->s.device, cmd)
/*
*/
cam_status = sym_xerr_cam_status(DID_ERROR, cp->xerr_status);
}
- cmd->resid = resid;
+ scsi_set_resid(cmd, resid);
cmd->result = (drv_status << 24) + (cam_status << 16) + scsi_status;
}
-
-/*
- * Build the scatter/gather array for an I/O.
- */
-
-static int sym_scatter_no_sglist(struct sym_hcb *np, struct sym_ccb *cp, struct scsi_cmnd *cmd)
-{
- struct sym_tblmove *data = &cp->phys.data[SYM_CONF_MAX_SG-1];
- int segment;
- unsigned int len = cmd->request_bufflen;
-
- if (len) {
- dma_addr_t baddr = map_scsi_single_data(np, cmd);
- if (baddr) {
- if (len & 1) {
- struct sym_tcb *tp = &np->target[cp->target];
- if (tp->head.wval & EWS) {
- len++;
- cp->odd_byte_adjustment++;
- }
- }
- cp->data_len = len;
- sym_build_sge(np, data, baddr, len);
- segment = 1;
- } else {
- segment = -2;
- }
- } else {
- segment = 0;
- }
-
- return segment;
-}
-
static int sym_scatter(struct sym_hcb *np, struct sym_ccb *cp, struct scsi_cmnd *cmd)
{
int segment;
- int use_sg = (int) cmd->use_sg;
+ int use_sg;
cp->data_len = 0;
- if (!use_sg)
- segment = sym_scatter_no_sglist(np, cp, cmd);
- else if ((use_sg = map_scsi_sg_data(np, cmd)) > 0) {
- struct scatterlist *scatter = (struct scatterlist *)cmd->request_buffer;
+ use_sg = map_scsi_sg_data(np, cmd);
+ if (use_sg > 0) {
+ struct scatterlist *sg;
struct sym_tcb *tp = &np->target[cp->target];
struct sym_tblmove *data;
data = &cp->phys.data[SYM_CONF_MAX_SG - use_sg];
- for (segment = 0; segment < use_sg; segment++) {
- dma_addr_t baddr = sg_dma_address(&scatter[segment]);
- unsigned int len = sg_dma_len(&scatter[segment]);
+ scsi_for_each_sg(cmd, sg, use_sg, segment) {
+ dma_addr_t baddr = sg_dma_address(sg);
+ unsigned int len = sg_dma_len(sg);
if ((len & 1) && (tp->head.wval & EWS)) {
len++;
/*
* Linux entry point of the interrupt handler.
*/
-static irqreturn_t sym53c8xx_intr(int irq, void *dev_id, struct pt_regs * regs)
+static irqreturn_t sym53c8xx_intr(int irq, void *dev_id)
{
unsigned long flags;
struct sym_hcb *np = (struct sym_hcb *)dev_id;
"revision id 0x%x\n",
np->s.chip_name, np->device_id, np->revision_id);
copy_info(&info, "At PCI address %s, IRQ " IRQ_FMT "\n",
- pci_name(np->s.device), IRQ_PRM(np->s.irq));
+ pci_name(np->s.device), IRQ_PRM(np->s.device->irq));
copy_info(&info, "Min. period factor %d, %s SCSI BUS%s\n",
(int) (np->minsync_dt ? np->minsync_dt : np->minsync),
np->maxwide ? "Wide" : "Narrow",
/*
* Free O/S specific resources.
*/
- if (np->s.irq)
- free_irq(np->s.irq, np);
+ if (pdev->irq)
+ free_irq(pdev->irq, np);
if (np->s.ioaddr)
pci_iounmap(pdev, np->s.ioaddr);
if (np->s.ramaddr)
sym_name(np), pdev->irq);
goto attach_failed;
}
- np->s.irq = pdev->irq;
/*
* After SCSI devices have been opened, we cannot
BUG_ON(sym2_transport_template == NULL);
instance->transportt = sym2_transport_template;
+ /* 53c896 rev 1 errata: DMA may not cross 16MB boundary */
+ if (pdev->device == PCI_DEVICE_ID_NCR_53C896 && np->revision_id < 2)
+ instance->dma_boundary = 0xFFFFFF;
+
spin_unlock_irqrestore(instance->host_lock, flags);
return instance;
.eh_host_reset_handler = sym53c8xx_eh_host_reset_handler,
.this_id = 7,
.use_clustering = ENABLE_CLUSTERING,
+ .use_sg_chaining = ENABLE_SG_CHAINING,
.max_sectors = 0xFFFF,
#ifdef SYM_LINUX_PROC_INFO_SUPPORT
.proc_info = sym53c8xx_proc_info,
{ PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_NCR_53C875,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
{ PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_NCR_53C1510,
- PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL }, /* new */
+ PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_STORAGE_SCSI<<8, 0xffff00, 0UL }, /* new */
{ PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_53C895A,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
{ PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_53C875A,