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authorChristoph Hellwig <hch@lst.de>2018-10-11 10:15:35 +0200
committerMartin K. Petersen <martin.petersen@oracle.com>2018-10-17 21:58:53 -0400
commit32e76961dd63ebb2882f8a478889cc7f42fbfb4c (patch)
tree99cab9152dfaf8467fe7de15a58285c481ab2d43 /drivers/scsi/ips.c
parent6917a9cc28181b37d142f1c5813a6888f41572e7 (diff)
downloadlinux-32e76961dd63ebb2882f8a478889cc7f42fbfb4c.tar.bz2
scsi: ips: switch to generic DMA API
Switch from the legacy PCI DMA API to the generic DMA API. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/ips.c')
-rw-r--r--drivers/scsi/ips.c80
1 files changed, 41 insertions, 39 deletions
diff --git a/drivers/scsi/ips.c b/drivers/scsi/ips.c
index fe587ef1741d..ee8a1ecd58fd 100644
--- a/drivers/scsi/ips.c
+++ b/drivers/scsi/ips.c
@@ -208,7 +208,7 @@ module_param(ips, charp, 0);
#define IPS_DMA_DIR(scb) ((!scb->scsi_cmd || ips_is_passthru(scb->scsi_cmd) || \
DMA_NONE == scb->scsi_cmd->sc_data_direction) ? \
- PCI_DMA_BIDIRECTIONAL : \
+ DMA_BIDIRECTIONAL : \
scb->scsi_cmd->sc_data_direction)
#ifdef IPS_DEBUG
@@ -1529,11 +1529,12 @@ ips_alloc_passthru_buffer(ips_ha_t * ha, int length)
if (ha->ioctl_data && length <= ha->ioctl_len)
return 0;
/* there is no buffer or it's not big enough, allocate a new one */
- bigger_buf = pci_alloc_consistent(ha->pcidev, length, &dma_busaddr);
+ bigger_buf = dma_alloc_coherent(&ha->pcidev->dev, length, &dma_busaddr,
+ GFP_KERNEL);
if (bigger_buf) {
/* free the old memory */
- pci_free_consistent(ha->pcidev, ha->ioctl_len, ha->ioctl_data,
- ha->ioctl_busaddr);
+ dma_free_coherent(&ha->pcidev->dev, ha->ioctl_len,
+ ha->ioctl_data, ha->ioctl_busaddr);
/* use the new memory */
ha->ioctl_data = (char *) bigger_buf;
ha->ioctl_len = length;
@@ -1678,9 +1679,8 @@ ips_flash_copperhead(ips_ha_t * ha, ips_passthru_t * pt, ips_scb_t * scb)
} else if (!ha->flash_data) {
datasize = pt->CoppCP.cmd.flashfw.total_packets *
pt->CoppCP.cmd.flashfw.count;
- ha->flash_data = pci_alloc_consistent(ha->pcidev,
- datasize,
- &ha->flash_busaddr);
+ ha->flash_data = dma_alloc_coherent(&ha->pcidev->dev,
+ datasize, &ha->flash_busaddr, GFP_KERNEL);
if (!ha->flash_data){
printk(KERN_WARNING "Unable to allocate a flash buffer\n");
return IPS_FAILURE;
@@ -1858,7 +1858,7 @@ ips_flash_firmware(ips_ha_t * ha, ips_passthru_t * pt, ips_scb_t * scb)
scb->data_len = ha->flash_datasize;
scb->data_busaddr =
- pci_map_single(ha->pcidev, ha->flash_data, scb->data_len,
+ dma_map_single(&ha->pcidev->dev, ha->flash_data, scb->data_len,
IPS_DMA_DIR(scb));
scb->flags |= IPS_SCB_MAP_SINGLE;
scb->cmd.flashfw.command_id = IPS_COMMAND_ID(ha, scb);
@@ -1880,8 +1880,8 @@ ips_free_flash_copperhead(ips_ha_t * ha)
if (ha->flash_data == ips_FlashData)
test_and_clear_bit(0, &ips_FlashDataInUse);
else if (ha->flash_data)
- pci_free_consistent(ha->pcidev, ha->flash_len, ha->flash_data,
- ha->flash_busaddr);
+ dma_free_coherent(&ha->pcidev->dev, ha->flash_len,
+ ha->flash_data, ha->flash_busaddr);
ha->flash_data = NULL;
}
@@ -4213,7 +4213,7 @@ ips_free(ips_ha_t * ha)
if (ha) {
if (ha->enq) {
- pci_free_consistent(ha->pcidev, sizeof(IPS_ENQ),
+ dma_free_coherent(&ha->pcidev->dev, sizeof(IPS_ENQ),
ha->enq, ha->enq_busaddr);
ha->enq = NULL;
}
@@ -4222,7 +4222,7 @@ ips_free(ips_ha_t * ha)
ha->conf = NULL;
if (ha->adapt) {
- pci_free_consistent(ha->pcidev,
+ dma_free_coherent(&ha->pcidev->dev,
sizeof (IPS_ADAPTER) +
sizeof (IPS_IO_CMD), ha->adapt,
ha->adapt->hw_status_start);
@@ -4230,7 +4230,7 @@ ips_free(ips_ha_t * ha)
}
if (ha->logical_drive_info) {
- pci_free_consistent(ha->pcidev,
+ dma_free_coherent(&ha->pcidev->dev,
sizeof (IPS_LD_INFO),
ha->logical_drive_info,
ha->logical_drive_info_dma_addr);
@@ -4244,7 +4244,7 @@ ips_free(ips_ha_t * ha)
ha->subsys = NULL;
if (ha->ioctl_data) {
- pci_free_consistent(ha->pcidev, ha->ioctl_len,
+ dma_free_coherent(&ha->pcidev->dev, ha->ioctl_len,
ha->ioctl_data, ha->ioctl_busaddr);
ha->ioctl_data = NULL;
ha->ioctl_datasize = 0;
@@ -4277,11 +4277,11 @@ static int
ips_deallocatescbs(ips_ha_t * ha, int cmds)
{
if (ha->scbs) {
- pci_free_consistent(ha->pcidev,
+ dma_free_coherent(&ha->pcidev->dev,
IPS_SGLIST_SIZE(ha) * IPS_MAX_SG * cmds,
ha->scbs->sg_list.list,
ha->scbs->sg_busaddr);
- pci_free_consistent(ha->pcidev, sizeof (ips_scb_t) * cmds,
+ dma_free_coherent(&ha->pcidev->dev, sizeof (ips_scb_t) * cmds,
ha->scbs, ha->scbs->scb_busaddr);
ha->scbs = NULL;
} /* end if */
@@ -4308,17 +4308,16 @@ ips_allocatescbs(ips_ha_t * ha)
METHOD_TRACE("ips_allocatescbs", 1);
/* Allocate memory for the SCBs */
- ha->scbs =
- pci_alloc_consistent(ha->pcidev, ha->max_cmds * sizeof (ips_scb_t),
- &command_dma);
+ ha->scbs = dma_alloc_coherent(&ha->pcidev->dev,
+ ha->max_cmds * sizeof (ips_scb_t),
+ &command_dma, GFP_KERNEL);
if (ha->scbs == NULL)
return 0;
- ips_sg.list =
- pci_alloc_consistent(ha->pcidev,
- IPS_SGLIST_SIZE(ha) * IPS_MAX_SG *
- ha->max_cmds, &sg_dma);
+ ips_sg.list = dma_alloc_coherent(&ha->pcidev->dev,
+ IPS_SGLIST_SIZE(ha) * IPS_MAX_SG * ha->max_cmds,
+ &sg_dma, GFP_KERNEL);
if (ips_sg.list == NULL) {
- pci_free_consistent(ha->pcidev,
+ dma_free_coherent(&ha->pcidev->dev,
ha->max_cmds * sizeof (ips_scb_t), ha->scbs,
command_dma);
return 0;
@@ -4447,8 +4446,8 @@ ips_freescb(ips_ha_t * ha, ips_scb_t * scb)
if (scb->flags & IPS_SCB_MAP_SG)
scsi_dma_unmap(scb->scsi_cmd);
else if (scb->flags & IPS_SCB_MAP_SINGLE)
- pci_unmap_single(ha->pcidev, scb->data_busaddr, scb->data_len,
- IPS_DMA_DIR(scb));
+ dma_unmap_single(&ha->pcidev->dev, scb->data_busaddr,
+ scb->data_len, IPS_DMA_DIR(scb));
/* check to make sure this is not our "special" scb */
if (IPS_COMMAND_ID(ha, scb) < (ha->max_cmds - 1)) {
@@ -4560,7 +4559,8 @@ ips_flush_and_reset(ips_ha_t *ha)
dma_addr_t command_dma;
/* Create a usuable SCB */
- scb = pci_alloc_consistent(ha->pcidev, sizeof(ips_scb_t), &command_dma);
+ scb = dma_alloc_coherent(&ha->pcidev->dev, sizeof(ips_scb_t),
+ &command_dma, GFP_KERNEL);
if (scb) {
memset(scb, 0, sizeof(ips_scb_t));
ips_init_scb(ha, scb);
@@ -4595,7 +4595,7 @@ ips_flush_and_reset(ips_ha_t *ha)
/* Now RESET and INIT the adapter */
(*ha->func.reset) (ha);
- pci_free_consistent(ha->pcidev, sizeof(ips_scb_t), scb, command_dma);
+ dma_free_coherent(&ha->pcidev->dev, sizeof(ips_scb_t), scb, command_dma);
return;
}
@@ -6927,29 +6927,30 @@ ips_init_phase1(struct pci_dev *pci_dev, int *indexPtr)
* are guaranteed to be < 4G.
*/
if (IPS_ENABLE_DMA64 && IPS_HAS_ENH_SGLIST(ha) &&
- !pci_set_dma_mask(ha->pcidev, DMA_BIT_MASK(64))) {
+ !dma_set_mask(&ha->pcidev->dev, DMA_BIT_MASK(64))) {
(ha)->flags |= IPS_HA_ENH_SG;
} else {
- if (pci_set_dma_mask(ha->pcidev, DMA_BIT_MASK(32)) != 0) {
+ if (dma_set_mask(&ha->pcidev->dev, DMA_BIT_MASK(32)) != 0) {
printk(KERN_WARNING "Unable to set DMA Mask\n");
return ips_abort_init(ha, index);
}
}
if(ips_cd_boot && !ips_FlashData){
- ips_FlashData = pci_alloc_consistent(pci_dev, PAGE_SIZE << 7,
- &ips_flashbusaddr);
+ ips_FlashData = dma_alloc_coherent(&pci_dev->dev,
+ PAGE_SIZE << 7, &ips_flashbusaddr, GFP_KERNEL);
}
- ha->enq = pci_alloc_consistent(pci_dev, sizeof (IPS_ENQ),
- &ha->enq_busaddr);
+ ha->enq = dma_alloc_coherent(&pci_dev->dev, sizeof (IPS_ENQ),
+ &ha->enq_busaddr, GFP_KERNEL);
if (!ha->enq) {
IPS_PRINTK(KERN_WARNING, pci_dev,
"Unable to allocate host inquiry structure\n");
return ips_abort_init(ha, index);
}
- ha->adapt = pci_alloc_consistent(pci_dev, sizeof (IPS_ADAPTER) +
- sizeof (IPS_IO_CMD), &dma_address);
+ ha->adapt = dma_alloc_coherent(&pci_dev->dev,
+ sizeof (IPS_ADAPTER) + sizeof (IPS_IO_CMD),
+ &dma_address, GFP_KERNEL);
if (!ha->adapt) {
IPS_PRINTK(KERN_WARNING, pci_dev,
"Unable to allocate host adapt & dummy structures\n");
@@ -6960,7 +6961,8 @@ ips_init_phase1(struct pci_dev *pci_dev, int *indexPtr)
- ha->logical_drive_info = pci_alloc_consistent(pci_dev, sizeof (IPS_LD_INFO), &dma_address);
+ ha->logical_drive_info = dma_alloc_coherent(&pci_dev->dev,
+ sizeof (IPS_LD_INFO), &dma_address, GFP_KERNEL);
if (!ha->logical_drive_info) {
IPS_PRINTK(KERN_WARNING, pci_dev,
"Unable to allocate logical drive info structure\n");
@@ -6998,8 +7000,8 @@ ips_init_phase1(struct pci_dev *pci_dev, int *indexPtr)
if (ips_ioctlsize < PAGE_SIZE)
ips_ioctlsize = PAGE_SIZE;
- ha->ioctl_data = pci_alloc_consistent(pci_dev, ips_ioctlsize,
- &ha->ioctl_busaddr);
+ ha->ioctl_data = dma_alloc_coherent(&pci_dev->dev, ips_ioctlsize,
+ &ha->ioctl_busaddr, GFP_KERNEL);
ha->ioctl_len = ips_ioctlsize;
if (!ha->ioctl_data) {
IPS_PRINTK(KERN_WARNING, pci_dev,