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Message-ID: <635cfc08b83a041708ee6afbc430087416f2605c.1596045683.git.usuraj35@gmail.com>
Date: Wed, 29 Jul 2020 23:44:33 +0530
From: Suraj Upadhyay <usuraj35@...il.com>
To: jejb@...ux.ibm.com, martin.petersen@...cle.com,
kashyap.desai@...adcom.com, sumit.saxena@...adcom.com,
shivasharan.srikanteshwara@...adcom.com,
megaraidlinux.pdl@...adcom.com
Cc: linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org,
kernel-janitors@...ux-kernel.org
Subject: [PATCH 7/7] scsi: megaraid: Remove pci-dma-compat wrapper APIs
The legacy API wrappers in include/linux/pci-dma-compat.h
should go away as it creates unnecessary midlayering
for include/linux/dma-mapping.h APIs.
Instead use dma-mapping.h APIs directly.
The patch has been generated with the coccinelle script below.
And has been hand modified to replace each GFP_ with a correct
flag depending upon the context.
Compile tested.
@@@@
- PCI_DMA_BIDIRECTIONAL
+ DMA_BIDIRECTIONAL
@@@@
- PCI_DMA_TODEVICE
+ DMA_TO_DEVICE
@@@@
- PCI_DMA_FROMDEVICE
+ DMA_FROM_DEVICE
@@@@
- PCI_DMA_NONE
+ DMA_NONE
@@ expression E1, E2, E3; @@
- pci_alloc_consistent(E1, E2, E3)
+ dma_alloc_coherent(&E1->dev, E2, E3, GFP_)
@@ expression E1, E2, E3; @@
- pci_zalloc_consistent(E1, E2, E3)
+ dma_alloc_coherent(&E1->dev, E2, E3, GFP_)
@@ expression E1, E2, E3, E4; @@
- pci_free_consistent(E1, E2, E3, E4)
+ dma_free_coherent(&E1->dev, E2, E3, E4)
@@ expression E1, E2, E3, E4; @@
- pci_map_single(E1, E2, E3, E4)
+ dma_map_single(&E1->dev, E2, E3, E4)
@@ expression E1, E2, E3, E4; @@
- pci_unmap_single(E1, E2, E3, E4)
+ dma_unmap_single(&E1->dev, E2, E3, E4)
@@ expression E1, E2, E3, E4, E5; @@
- pci_map_page(E1, E2, E3, E4, E5)
+ dma_map_page(&E1->dev, E2, E3, E4, E5)
@@ expression E1, E2, E3, E4; @@
- pci_unmap_page(E1, E2, E3, E4)
+ dma_unmap_page(&E1->dev, E2, E3, E4)
@@ expression E1, E2, E3, E4; @@
- pci_map_sg(E1, E2, E3, E4)
+ dma_map_sg(&E1->dev, E2, E3, E4)
@@ expression E1, E2, E3, E4; @@
- pci_unmap_sg(E1, E2, E3, E4)
+ dma_unmap_sg(&E1->dev, E2, E3, E4)
@@ expression E1, E2, E3, E4; @@
- pci_dma_sync_single_for_cpu(E1, E2, E3, E4)
+ dma_sync_single_for_cpu(&E1->dev, E2, E3, E4)
@@ expression E1, E2, E3, E4; @@
- pci_dma_sync_single_for_device(E1, E2, E3, E4)
+ dma_sync_single_for_device(&E1->dev, E2, E3, E4)
@@ expression E1, E2, E3, E4; @@
- pci_dma_sync_sg_for_cpu(E1, E2, E3, E4)
+ dma_sync_sg_for_cpu(&E1->dev, E2, E3, E4)
@@ expression E1, E2, E3, E4; @@
- pci_dma_sync_sg_for_device(E1, E2, E3, E4)
+ dma_sync_sg_for_device(&E1->dev, E2, E3, E4)
@@ expression E1, E2; @@
- pci_dma_mapping_error(E1, E2)
+ dma_mapping_error(&E1->dev, E2)
@@ expression E1, E2; @@
- pci_set_consistent_dma_mask(E1, E2)
+ dma_set_coherent_mask(&E1->dev, E2)
@@ expression E1, E2; @@
- pci_set_dma_mask(E1, E2)
+ dma_set_mask(&E1->dev, E2)
Signed-off-by: Suraj Upadhyay <usuraj35@...il.com>
---
drivers/scsi/megaraid.c | 192 +++++++++++++++++++++-------------------
1 file changed, 102 insertions(+), 90 deletions(-)
diff --git a/drivers/scsi/megaraid.c b/drivers/scsi/megaraid.c
index 0484ee52ae80..e24c87a41eeb 100644
--- a/drivers/scsi/megaraid.c
+++ b/drivers/scsi/megaraid.c
@@ -133,8 +133,10 @@ mega_setup_mailbox(adapter_t *adapter)
{
unsigned long align;
- adapter->una_mbox64 = pci_alloc_consistent(adapter->dev,
- sizeof(mbox64_t), &adapter->una_mbox64_dma);
+ adapter->una_mbox64 = dma_alloc_coherent(&adapter->dev->dev,
+ sizeof(mbox64_t),
+ &adapter->una_mbox64_dma,
+ GFP_KERNEL);
if( !adapter->una_mbox64 ) return -1;
@@ -222,8 +224,9 @@ mega_query_adapter(adapter_t *adapter)
mraid_inquiry *inq;
dma_addr_t dma_handle;
- ext_inq = pci_alloc_consistent(adapter->dev,
- sizeof(mraid_ext_inquiry), &dma_handle);
+ ext_inq = dma_alloc_coherent(&adapter->dev->dev,
+ sizeof(mraid_ext_inquiry),
+ &dma_handle, GFP_KERNEL);
if( ext_inq == NULL ) return -1;
@@ -243,8 +246,9 @@ mega_query_adapter(adapter_t *adapter)
mega_8_to_40ld(inq, inquiry3,
(mega_product_info *)&adapter->product_info);
- pci_free_consistent(adapter->dev, sizeof(mraid_ext_inquiry),
- ext_inq, dma_handle);
+ dma_free_coherent(&adapter->dev->dev,
+ sizeof(mraid_ext_inquiry), ext_inq,
+ dma_handle);
} else { /*adapter supports 40ld */
adapter->flag |= BOARD_40LD;
@@ -253,9 +257,10 @@ mega_query_adapter(adapter_t *adapter)
* get product_info, which is static information and will be
* unchanged
*/
- prod_info_dma_handle = pci_map_single(adapter->dev, (void *)
- &adapter->product_info,
- sizeof(mega_product_info), PCI_DMA_FROMDEVICE);
+ prod_info_dma_handle = dma_map_single(&adapter->dev->dev,
+ (void *)&adapter->product_info,
+ sizeof(mega_product_info),
+ DMA_FROM_DEVICE);
mbox->m_out.xferaddr = prod_info_dma_handle;
@@ -267,8 +272,8 @@ mega_query_adapter(adapter_t *adapter)
"Product_info cmd failed with error: %d\n",
retval);
- pci_unmap_single(adapter->dev, prod_info_dma_handle,
- sizeof(mega_product_info), PCI_DMA_FROMDEVICE);
+ dma_unmap_single(&adapter->dev->dev, prod_info_dma_handle,
+ sizeof(mega_product_info), DMA_FROM_DEVICE);
}
@@ -645,7 +650,7 @@ mega_build_cmd(adapter_t *adapter, struct scsi_cmnd *cmd, int *busy)
scb->raw_mbox[2] = MEGA_RESERVATION_STATUS;
scb->raw_mbox[3] = ldrv_num;
- scb->dma_direction = PCI_DMA_NONE;
+ scb->dma_direction = DMA_NONE;
return scb;
#else
@@ -709,7 +714,7 @@ mega_build_cmd(adapter_t *adapter, struct scsi_cmnd *cmd, int *busy)
mbox->m_out.cmd = MEGA_MBOXCMD_PASSTHRU;
}
- scb->dma_direction = PCI_DMA_FROMDEVICE;
+ scb->dma_direction = DMA_FROM_DEVICE;
pthru->numsgelements = mega_build_sglist(adapter, scb,
&pthru->dataxferaddr, &pthru->dataxferlen);
@@ -839,10 +844,10 @@ mega_build_cmd(adapter_t *adapter, struct scsi_cmnd *cmd, int *busy)
* If it is a read command
*/
if( (*cmd->cmnd & 0x0F) == 0x08 ) {
- scb->dma_direction = PCI_DMA_FROMDEVICE;
+ scb->dma_direction = DMA_FROM_DEVICE;
}
else {
- scb->dma_direction = PCI_DMA_TODEVICE;
+ scb->dma_direction = DMA_TO_DEVICE;
}
/* Calculate Scatter-Gather info */
@@ -877,7 +882,7 @@ mega_build_cmd(adapter_t *adapter, struct scsi_cmnd *cmd, int *busy)
scb->raw_mbox[3] = ldrv_num;
- scb->dma_direction = PCI_DMA_NONE;
+ scb->dma_direction = DMA_NONE;
return scb;
#endif
@@ -971,7 +976,7 @@ mega_prepare_passthru(adapter_t *adapter, scb_t *scb, struct scsi_cmnd *cmd,
memcpy(pthru->cdb, cmd->cmnd, cmd->cmd_len);
/* Not sure about the direction */
- scb->dma_direction = PCI_DMA_BIDIRECTIONAL;
+ scb->dma_direction = DMA_BIDIRECTIONAL;
/* Special Code for Handling READ_CAPA/ INQ using bounce buffers */
switch (cmd->cmnd[0]) {
@@ -1035,7 +1040,7 @@ mega_prepare_extpassthru(adapter_t *adapter, scb_t *scb,
memcpy(epthru->cdb, cmd->cmnd, cmd->cmd_len);
/* Not sure about the direction */
- scb->dma_direction = PCI_DMA_BIDIRECTIONAL;
+ scb->dma_direction = DMA_BIDIRECTIONAL;
switch(cmd->cmnd[0]) {
case INQUIRY:
@@ -1813,25 +1818,25 @@ mega_free_sgl(adapter_t *adapter)
scb = &adapter->scb_list[i];
if( scb->sgl64 ) {
- pci_free_consistent(adapter->dev,
- sizeof(mega_sgl64) * adapter->sglen,
- scb->sgl64,
- scb->sgl_dma_addr);
+ dma_free_coherent(&adapter->dev->dev,
+ sizeof(mega_sgl64) * adapter->sglen,
+ scb->sgl64, scb->sgl_dma_addr);
scb->sgl64 = NULL;
}
if( scb->pthru ) {
- pci_free_consistent(adapter->dev, sizeof(mega_passthru),
- scb->pthru, scb->pthru_dma_addr);
+ dma_free_coherent(&adapter->dev->dev,
+ sizeof(mega_passthru), scb->pthru,
+ scb->pthru_dma_addr);
scb->pthru = NULL;
}
if( scb->epthru ) {
- pci_free_consistent(adapter->dev,
- sizeof(mega_ext_passthru),
- scb->epthru, scb->epthru_dma_addr);
+ dma_free_coherent(&adapter->dev->dev,
+ sizeof(mega_ext_passthru),
+ scb->epthru, scb->epthru_dma_addr);
scb->epthru = NULL;
}
@@ -2004,7 +2009,7 @@ make_local_pdev(adapter_t *adapter, struct pci_dev **pdev)
memcpy(*pdev, adapter->dev, sizeof(struct pci_dev));
- if( pci_set_dma_mask(*pdev, DMA_BIT_MASK(32)) != 0 ) {
+ if(dma_set_mask(&(*pdev)->dev, DMA_BIT_MASK(32)) != 0 ) {
kfree(*pdev);
return -1;
}
@@ -2028,14 +2033,16 @@ free_local_pdev(struct pci_dev *pdev)
static inline void *
mega_allocate_inquiry(dma_addr_t *dma_handle, struct pci_dev *pdev)
{
- return pci_alloc_consistent(pdev, sizeof(mega_inquiry3), dma_handle);
+ return dma_alloc_coherent(&pdev->dev, sizeof(mega_inquiry3),
+ dma_handle, GFP_KERNEL);
}
static inline void
mega_free_inquiry(void *inquiry, dma_addr_t dma_handle, struct pci_dev *pdev)
{
- pci_free_consistent(pdev, sizeof(mega_inquiry3), inquiry, dma_handle);
+ dma_free_coherent(&pdev->dev, sizeof(mega_inquiry3), inquiry,
+ dma_handle);
}
@@ -2349,7 +2356,8 @@ proc_show_pdrv(struct seq_file *m, adapter_t *adapter, int channel)
}
- scsi_inq = pci_alloc_consistent(pdev, 256, &scsi_inq_dma_handle);
+ scsi_inq = dma_alloc_coherent(&pdev->dev, 256, &scsi_inq_dma_handle,
+ GFP_KERNEL);
if( scsi_inq == NULL ) {
seq_puts(m, "memory not available for scsi inq.\n");
goto free_inquiry;
@@ -2422,7 +2430,7 @@ proc_show_pdrv(struct seq_file *m, adapter_t *adapter, int channel)
}
free_pci:
- pci_free_consistent(pdev, 256, scsi_inq, scsi_inq_dma_handle);
+ dma_free_coherent(&pdev->dev, 256, scsi_inq, scsi_inq_dma_handle);
free_inquiry:
mega_free_inquiry(inquiry, dma_handle, pdev);
free_pdev:
@@ -2542,8 +2550,8 @@ proc_show_rdrv(struct seq_file *m, adapter_t *adapter, int start, int end )
raid_inq.logdrv_info.num_ldrv;
}
- disk_array = pci_alloc_consistent(pdev, array_sz,
- &disk_array_dma_handle);
+ disk_array = dma_alloc_coherent(&pdev->dev, array_sz,
+ &disk_array_dma_handle, GFP_KERNEL);
if( disk_array == NULL ) {
seq_puts(m, "memory not available.\n");
@@ -2662,8 +2670,8 @@ proc_show_rdrv(struct seq_file *m, adapter_t *adapter, int start, int end )
}
free_pci:
- pci_free_consistent(pdev, array_sz, disk_array,
- disk_array_dma_handle);
+ dma_free_coherent(&pdev->dev, array_sz, disk_array,
+ disk_array_dma_handle);
free_inquiry:
mega_free_inquiry(inquiry, dma_handle, pdev);
free_pdev:
@@ -2881,9 +2889,9 @@ mega_init_scb(adapter_t *adapter)
scb->idx = i;
- scb->sgl64 = pci_alloc_consistent(adapter->dev,
- sizeof(mega_sgl64) * adapter->sglen,
- &scb->sgl_dma_addr);
+ scb->sgl64 = dma_alloc_coherent(&adapter->dev->dev,
+ sizeof(mega_sgl64) * adapter->sglen,
+ &scb->sgl_dma_addr, GFP_KERNEL);
scb->sgl = (mega_sglist *)scb->sgl64;
@@ -2893,9 +2901,9 @@ mega_init_scb(adapter_t *adapter)
return -1;
}
- scb->pthru = pci_alloc_consistent(adapter->dev,
- sizeof(mega_passthru),
- &scb->pthru_dma_addr);
+ scb->pthru = dma_alloc_coherent(&adapter->dev->dev,
+ sizeof(mega_passthru),
+ &scb->pthru_dma_addr, GFP_KERNEL);
if( !scb->pthru ) {
dev_warn(&adapter->dev->dev, "RAID: Can't allocate passthru\n");
@@ -2903,9 +2911,9 @@ mega_init_scb(adapter_t *adapter)
return -1;
}
- scb->epthru = pci_alloc_consistent(adapter->dev,
- sizeof(mega_ext_passthru),
- &scb->epthru_dma_addr);
+ scb->epthru = dma_alloc_coherent(&adapter->dev->dev,
+ sizeof(mega_ext_passthru),
+ &scb->epthru_dma_addr, GFP_KERNEL);
if( !scb->epthru ) {
dev_warn(&adapter->dev->dev,
@@ -3145,9 +3153,9 @@ megadev_ioctl(struct file *filep, unsigned int cmd, unsigned long arg)
if( uioc.uioc_rmbox[0] == MEGA_MBOXCMD_PASSTHRU ) {
/* Passthru commands */
- pthru = pci_alloc_consistent(pdev,
- sizeof(mega_passthru),
- &pthru_dma_hndl);
+ pthru = dma_alloc_coherent(&pdev->dev,
+ sizeof(mega_passthru),
+ &pthru_dma_hndl, GFP_KERNEL);
if( pthru == NULL ) {
free_local_pdev(pdev);
@@ -3165,9 +3173,9 @@ megadev_ioctl(struct file *filep, unsigned int cmd, unsigned long arg)
if( copy_from_user(pthru, upthru,
sizeof(mega_passthru)) ) {
- pci_free_consistent(pdev,
- sizeof(mega_passthru), pthru,
- pthru_dma_hndl);
+ dma_free_coherent(&pdev->dev,
+ sizeof(mega_passthru),
+ pthru, pthru_dma_hndl);
free_local_pdev(pdev);
@@ -3178,15 +3186,16 @@ megadev_ioctl(struct file *filep, unsigned int cmd, unsigned long arg)
* Is there a data transfer
*/
if( pthru->dataxferlen ) {
- data = pci_alloc_consistent(pdev,
- pthru->dataxferlen,
- &data_dma_hndl);
+ data = dma_alloc_coherent(&pdev->dev,
+ pthru->dataxferlen,
+ &data_dma_hndl,
+ GFP_KERNEL);
if( data == NULL ) {
- pci_free_consistent(pdev,
- sizeof(mega_passthru),
- pthru,
- pthru_dma_hndl);
+ dma_free_coherent(&pdev->dev,
+ sizeof(mega_passthru),
+ pthru,
+ pthru_dma_hndl);
free_local_pdev(pdev);
@@ -3251,13 +3260,13 @@ megadev_ioctl(struct file *filep, unsigned int cmd, unsigned long arg)
freemem_and_return:
if( pthru->dataxferlen ) {
- pci_free_consistent(pdev,
- pthru->dataxferlen, data,
- data_dma_hndl);
+ dma_free_coherent(&pdev->dev,
+ pthru->dataxferlen, data,
+ data_dma_hndl);
}
- pci_free_consistent(pdev, sizeof(mega_passthru),
- pthru, pthru_dma_hndl);
+ dma_free_coherent(&pdev->dev, sizeof(mega_passthru),
+ pthru, pthru_dma_hndl);
free_local_pdev(pdev);
@@ -3270,8 +3279,10 @@ megadev_ioctl(struct file *filep, unsigned int cmd, unsigned long arg)
* Is there a data transfer
*/
if( uioc.xferlen ) {
- data = pci_alloc_consistent(pdev,
- uioc.xferlen, &data_dma_hndl);
+ data = dma_alloc_coherent(&pdev->dev,
+ uioc.xferlen,
+ &data_dma_hndl,
+ GFP_KERNEL);
if( data == NULL ) {
free_local_pdev(pdev);
@@ -3291,9 +3302,9 @@ megadev_ioctl(struct file *filep, unsigned int cmd, unsigned long arg)
if( copy_from_user(data, (char __user *)(unsigned long) uxferaddr,
uioc.xferlen) ) {
- pci_free_consistent(pdev,
- uioc.xferlen,
- data, data_dma_hndl);
+ dma_free_coherent(&pdev->dev,
+ uioc.xferlen, data,
+ data_dma_hndl);
free_local_pdev(pdev);
@@ -3314,9 +3325,9 @@ megadev_ioctl(struct file *filep, unsigned int cmd, unsigned long arg)
if( rval ) {
if( uioc.xferlen ) {
- pci_free_consistent(pdev,
- uioc.xferlen, data,
- data_dma_hndl);
+ dma_free_coherent(&pdev->dev,
+ uioc.xferlen, data,
+ data_dma_hndl);
}
free_local_pdev(pdev);
@@ -3336,9 +3347,8 @@ megadev_ioctl(struct file *filep, unsigned int cmd, unsigned long arg)
}
if( uioc.xferlen ) {
- pci_free_consistent(pdev,
- uioc.xferlen, data,
- data_dma_hndl);
+ dma_free_coherent(&pdev->dev, uioc.xferlen,
+ data, data_dma_hndl);
}
free_local_pdev(pdev);
@@ -4004,8 +4014,8 @@ mega_internal_dev_inquiry(adapter_t *adapter, u8 ch, u8 tgt,
*/
if( make_local_pdev(adapter, &pdev) != 0 ) return -1;
- pthru = pci_alloc_consistent(pdev, sizeof(mega_passthru),
- &pthru_dma_handle);
+ pthru = dma_alloc_coherent(&pdev->dev, sizeof(mega_passthru),
+ &pthru_dma_handle, GFP_KERNEL);
if( pthru == NULL ) {
free_local_pdev(pdev);
@@ -4041,8 +4051,8 @@ mega_internal_dev_inquiry(adapter_t *adapter, u8 ch, u8 tgt,
rval = mega_internal_command(adapter, &mc, pthru);
- pci_free_consistent(pdev, sizeof(mega_passthru), pthru,
- pthru_dma_handle);
+ dma_free_coherent(&pdev->dev, sizeof(mega_passthru), pthru,
+ pthru_dma_handle);
free_local_pdev(pdev);
@@ -4267,8 +4277,10 @@ megaraid_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
/*
* Allocate buffer to issue internal commands.
*/
- adapter->mega_buffer = pci_alloc_consistent(adapter->dev,
- MEGA_BUFFER_SIZE, &adapter->buf_dma_handle);
+ adapter->mega_buffer = dma_alloc_coherent(&adapter->dev->dev,
+ MEGA_BUFFER_SIZE,
+ &adapter->buf_dma_handle,
+ GFP_KERNEL);
if (!adapter->mega_buffer) {
dev_warn(&pdev->dev, "out of RAM\n");
goto out_host_put;
@@ -4427,10 +4439,10 @@ megaraid_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
/* Set the Mode of addressing to 64 bit if we can */
if ((adapter->flag & BOARD_64BIT) && (sizeof(dma_addr_t) == 8)) {
- pci_set_dma_mask(pdev, DMA_BIT_MASK(64));
+ dma_set_mask(&pdev->dev, DMA_BIT_MASK(64));
adapter->has_64bit_addr = 1;
} else {
- pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
+ dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
adapter->has_64bit_addr = 0;
}
@@ -4469,15 +4481,15 @@ megaraid_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
return 0;
out_free_mbox:
- pci_free_consistent(adapter->dev, sizeof(mbox64_t),
- adapter->una_mbox64, adapter->una_mbox64_dma);
+ dma_free_coherent(&adapter->dev->dev, sizeof(mbox64_t),
+ adapter->una_mbox64, adapter->una_mbox64_dma);
out_free_irq:
free_irq(adapter->host->irq, adapter);
out_free_scb_list:
kfree(adapter->scb_list);
out_free_cmd_buffer:
- pci_free_consistent(adapter->dev, MEGA_BUFFER_SIZE,
- adapter->mega_buffer, adapter->buf_dma_handle);
+ dma_free_coherent(&adapter->dev->dev, MEGA_BUFFER_SIZE,
+ adapter->mega_buffer, adapter->buf_dma_handle);
out_host_put:
scsi_host_put(host);
out_iounmap:
@@ -4551,11 +4563,11 @@ megaraid_remove_one(struct pci_dev *pdev)
sprintf(buf, "hba%d", adapter->host->host_no);
remove_proc_subtree(buf, mega_proc_dir_entry);
- pci_free_consistent(adapter->dev, MEGA_BUFFER_SIZE,
- adapter->mega_buffer, adapter->buf_dma_handle);
+ dma_free_coherent(&adapter->dev->dev, MEGA_BUFFER_SIZE,
+ adapter->mega_buffer, adapter->buf_dma_handle);
kfree(adapter->scb_list);
- pci_free_consistent(adapter->dev, sizeof(mbox64_t),
- adapter->una_mbox64, adapter->una_mbox64_dma);
+ dma_free_coherent(&adapter->dev->dev, sizeof(mbox64_t),
+ adapter->una_mbox64, adapter->una_mbox64_dma);
scsi_host_put(host);
pci_disable_device(pdev);
--
2.17.1
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