[PATCH v8 11/15] scsi: megaraid: Replace PCI pool old API

From: Romain Perier
Date: Fri Apr 28 2017 - 10:30:52 EST

The PCI pool API is deprecated. This commit replaces the PCI pool old
API by the appropriate function with the DMA pool API.

Signed-off-by: Romain Perier <romain.perier@xxxxxxxxxxxxx>
Reviewed-by: Peter Senna Tschudin <peter.senna@xxxxxxxxxxxxx>
Acked-by: Sumit Saxena <sumit.saxena@xxxxxxxxxxxx>
---
drivers/scsi/megaraid/megaraid_mbox.c | 33 +++++++--------
drivers/scsi/megaraid/megaraid_mm.c | 32 +++++++-------
drivers/scsi/megaraid/megaraid_sas_base.c | 29 +++++++------
drivers/scsi/megaraid/megaraid_sas_fusion.c | 66 +++++++++++++----------------
4 files changed, 77 insertions(+), 83 deletions(-)

diff --git a/drivers/scsi/megaraid/megaraid_mbox.c b/drivers/scsi/megaraid/megaraid_mbox.c
index f0987f22ea70..7dfc2e29edcc 100644
--- a/drivers/scsi/megaraid/megaraid_mbox.c
+++ b/drivers/scsi/megaraid/megaraid_mbox.c
@@ -1153,8 +1153,8 @@ megaraid_mbox_setup_dma_pools(adapter_t *adapter)


// Allocate memory for 16-bytes aligned mailboxes
- raid_dev->mbox_pool_handle = pci_pool_create("megaraid mbox pool",
- adapter->pdev,
+ raid_dev->mbox_pool_handle = dma_pool_create("megaraid mbox pool",
+ &adapter->pdev->dev,
sizeof(mbox64_t) + 16,
16, 0);

@@ -1164,7 +1164,7 @@ megaraid_mbox_setup_dma_pools(adapter_t *adapter)

mbox_pci_blk = raid_dev->mbox_pool;
for (i = 0; i < MBOX_MAX_SCSI_CMDS; i++) {
- mbox_pci_blk[i].vaddr = pci_pool_alloc(
+ mbox_pci_blk[i].vaddr = dma_pool_alloc(
raid_dev->mbox_pool_handle,
GFP_KERNEL,
&mbox_pci_blk[i].dma_addr);
@@ -1181,8 +1181,8 @@ megaraid_mbox_setup_dma_pools(adapter_t *adapter)
* share common memory pool. Passthru structures piggyback on memory
* allocted to extended passthru since passthru is smaller of the two
*/
- raid_dev->epthru_pool_handle = pci_pool_create("megaraid mbox pthru",
- adapter->pdev, sizeof(mraid_epassthru_t), 128, 0);
+ raid_dev->epthru_pool_handle = dma_pool_create("megaraid mbox pthru",
+ &adapter->pdev->dev, sizeof(mraid_epassthru_t), 128, 0);

if (raid_dev->epthru_pool_handle == NULL) {
goto fail_setup_dma_pool;
@@ -1190,7 +1190,7 @@ megaraid_mbox_setup_dma_pools(adapter_t *adapter)

epthru_pci_blk = raid_dev->epthru_pool;
for (i = 0; i < MBOX_MAX_SCSI_CMDS; i++) {
- epthru_pci_blk[i].vaddr = pci_pool_alloc(
+ epthru_pci_blk[i].vaddr = dma_pool_alloc(
raid_dev->epthru_pool_handle,
GFP_KERNEL,
&epthru_pci_blk[i].dma_addr);
@@ -1202,8 +1202,8 @@ megaraid_mbox_setup_dma_pools(adapter_t *adapter)

// Allocate memory for each scatter-gather list. Request for 512 bytes
// alignment for each sg list
- raid_dev->sg_pool_handle = pci_pool_create("megaraid mbox sg",
- adapter->pdev,
+ raid_dev->sg_pool_handle = dma_pool_create("megaraid mbox sg",
+ &adapter->pdev->dev,
sizeof(mbox_sgl64) * MBOX_MAX_SG_SIZE,
512, 0);

@@ -1213,7 +1213,7 @@ megaraid_mbox_setup_dma_pools(adapter_t *adapter)

sg_pci_blk = raid_dev->sg_pool;
for (i = 0; i < MBOX_MAX_SCSI_CMDS; i++) {
- sg_pci_blk[i].vaddr = pci_pool_alloc(
+ sg_pci_blk[i].vaddr = dma_pool_alloc(
raid_dev->sg_pool_handle,
GFP_KERNEL,
&sg_pci_blk[i].dma_addr);
@@ -1249,29 +1249,26 @@ megaraid_mbox_teardown_dma_pools(adapter_t *adapter)

sg_pci_blk = raid_dev->sg_pool;
for (i = 0; i < MBOX_MAX_SCSI_CMDS && sg_pci_blk[i].vaddr; i++) {
- pci_pool_free(raid_dev->sg_pool_handle, sg_pci_blk[i].vaddr,
+ dma_pool_free(raid_dev->sg_pool_handle, sg_pci_blk[i].vaddr,
sg_pci_blk[i].dma_addr);
}
- if (raid_dev->sg_pool_handle)
- pci_pool_destroy(raid_dev->sg_pool_handle);
+ dma_pool_destroy(raid_dev->sg_pool_handle);


epthru_pci_blk = raid_dev->epthru_pool;
for (i = 0; i < MBOX_MAX_SCSI_CMDS && epthru_pci_blk[i].vaddr; i++) {
- pci_pool_free(raid_dev->epthru_pool_handle,
+ dma_pool_free(raid_dev->epthru_pool_handle,
epthru_pci_blk[i].vaddr, epthru_pci_blk[i].dma_addr);
}
- if (raid_dev->epthru_pool_handle)
- pci_pool_destroy(raid_dev->epthru_pool_handle);
+ dma_pool_destroy(raid_dev->epthru_pool_handle);


mbox_pci_blk = raid_dev->mbox_pool;
for (i = 0; i < MBOX_MAX_SCSI_CMDS && mbox_pci_blk[i].vaddr; i++) {
- pci_pool_free(raid_dev->mbox_pool_handle,
+ dma_pool_free(raid_dev->mbox_pool_handle,
mbox_pci_blk[i].vaddr, mbox_pci_blk[i].dma_addr);
}
- if (raid_dev->mbox_pool_handle)
- pci_pool_destroy(raid_dev->mbox_pool_handle);
+ dma_pool_destroy(raid_dev->mbox_pool_handle);

return;
}
diff --git a/drivers/scsi/megaraid/megaraid_mm.c b/drivers/scsi/megaraid/megaraid_mm.c
index 4cf9ed96414f..2324dd87878e 100644
--- a/drivers/scsi/megaraid/megaraid_mm.c
+++ b/drivers/scsi/megaraid/megaraid_mm.c
@@ -574,7 +574,7 @@ mraid_mm_attach_buf(mraid_mmadp_t *adp, uioc_t *kioc, int xferlen)

kioc->pool_index = right_pool;
kioc->free_buf = 1;
- kioc->buf_vaddr = pci_pool_alloc(pool->handle, GFP_KERNEL,
+ kioc->buf_vaddr = dma_pool_alloc(pool->handle, GFP_KERNEL,
&kioc->buf_paddr);
spin_unlock_irqrestore(&pool->lock, flags);

@@ -658,7 +658,7 @@ mraid_mm_dealloc_kioc(mraid_mmadp_t *adp, uioc_t *kioc)
* not in use
*/
if (kioc->free_buf == 1)
- pci_pool_free(pool->handle, kioc->buf_vaddr,
+ dma_pool_free(pool->handle, kioc->buf_vaddr,
kioc->buf_paddr);
else
pool->in_use = 0;
@@ -940,8 +940,8 @@ mraid_mm_register_adp(mraid_mmadp_t *lld_adp)
GFP_KERNEL);
adapter->mbox_list = kmalloc(sizeof(mbox64_t) * lld_adp->max_kioc,
GFP_KERNEL);
- adapter->pthru_dma_pool = pci_pool_create("megaraid mm pthru pool",
- adapter->pdev,
+ adapter->pthru_dma_pool = dma_pool_create("megaraid mm pthru pool",
+ &adapter->pdev->dev,
sizeof(mraid_passthru_t),
16, 0);

@@ -970,7 +970,7 @@ mraid_mm_register_adp(mraid_mmadp_t *lld_adp)

kioc = adapter->kioc_list + i;
kioc->cmdbuf = (uint64_t)(unsigned long)(mbox_list + i);
- kioc->pthru32 = pci_pool_alloc(adapter->pthru_dma_pool,
+ kioc->pthru32 = dma_pool_alloc(adapter->pthru_dma_pool,
GFP_KERNEL, &kioc->pthru32_h);

if (!kioc->pthru32) {
@@ -1006,7 +1006,7 @@ mraid_mm_register_adp(mraid_mmadp_t *lld_adp)
for (i = 0; i < lld_adp->max_kioc; i++) {
kioc = adapter->kioc_list + i;
if (kioc->pthru32) {
- pci_pool_free(adapter->pthru_dma_pool, kioc->pthru32,
+ dma_pool_free(adapter->pthru_dma_pool, kioc->pthru32,
kioc->pthru32_h);
}
}
@@ -1016,8 +1016,7 @@ mraid_mm_register_adp(mraid_mmadp_t *lld_adp)
kfree(adapter->kioc_list);
kfree(adapter->mbox_list);

- if (adapter->pthru_dma_pool)
- pci_pool_destroy(adapter->pthru_dma_pool);
+ dma_pool_destroy(adapter->pthru_dma_pool);

kfree(adapter);

@@ -1086,15 +1085,16 @@ mraid_mm_setup_dma_pools(mraid_mmadp_t *adp)
pool->buf_size = bufsize;
spin_lock_init(&pool->lock);

- pool->handle = pci_pool_create("megaraid mm data buffer",
- adp->pdev, bufsize, 16, 0);
+ pool->handle = dma_pool_create("megaraid mm data buffer",
+ &adp->pdev->dev, bufsize, 16,
+ 0);

if (!pool->handle) {
goto dma_pool_setup_error;
}

- pool->vaddr = pci_pool_alloc(pool->handle, GFP_KERNEL,
- &pool->paddr);
+ pool->vaddr = dma_pool_alloc(pool->handle, GFP_KERNEL,
+ &pool->paddr);

if (!pool->vaddr)
goto dma_pool_setup_error;
@@ -1163,14 +1163,14 @@ mraid_mm_free_adp_resources(mraid_mmadp_t *adp)

kioc = adp->kioc_list + i;

- pci_pool_free(adp->pthru_dma_pool, kioc->pthru32,
+ dma_pool_free(adp->pthru_dma_pool, kioc->pthru32,
kioc->pthru32_h);
}

kfree(adp->kioc_list);
kfree(adp->mbox_list);

- pci_pool_destroy(adp->pthru_dma_pool);
+ dma_pool_destroy(adp->pthru_dma_pool);


return;
@@ -1194,10 +1194,10 @@ mraid_mm_teardown_dma_pools(mraid_mmadp_t *adp)
if (pool->handle) {

if (pool->vaddr)
- pci_pool_free(pool->handle, pool->vaddr,
+ dma_pool_free(pool->handle, pool->vaddr,
pool->paddr);

- pci_pool_destroy(pool->handle);
+ dma_pool_destroy(pool->handle);
pool->handle = NULL;
}
}
diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c
index 316c3df0c3fd..4971adb08f26 100644
--- a/drivers/scsi/megaraid/megaraid_sas_base.c
+++ b/drivers/scsi/megaraid/megaraid_sas_base.c
@@ -3862,19 +3862,19 @@ static void megasas_teardown_frame_pool(struct megasas_instance *instance)
cmd = instance->cmd_list[i];

if (cmd->frame)
- pci_pool_free(instance->frame_dma_pool, cmd->frame,
+ dma_pool_free(instance->frame_dma_pool, cmd->frame,
cmd->frame_phys_addr);

if (cmd->sense)
- pci_pool_free(instance->sense_dma_pool, cmd->sense,
+ dma_pool_free(instance->sense_dma_pool, cmd->sense,
cmd->sense_phys_addr);
}

/*
* Now destroy the pool itself
*/
- pci_pool_destroy(instance->frame_dma_pool);
- pci_pool_destroy(instance->sense_dma_pool);
+ dma_pool_destroy(instance->frame_dma_pool);
+ dma_pool_destroy(instance->sense_dma_pool);

instance->frame_dma_pool = NULL;
instance->sense_dma_pool = NULL;
@@ -3925,22 +3925,24 @@ static int megasas_create_frame_pool(struct megasas_instance *instance)
/*
* Use DMA pool facility provided by PCI layer
*/
- instance->frame_dma_pool = pci_pool_create("megasas frame pool",
- instance->pdev, instance->mfi_frame_size,
- 256, 0);
+ instance->frame_dma_pool = dma_pool_create("megasas frame pool",
+ &instance->pdev->dev,
+ instance->mfi_frame_size,
+ 256, 0);

if (!instance->frame_dma_pool) {
dev_printk(KERN_DEBUG, &instance->pdev->dev, "failed to setup frame pool\n");
return -ENOMEM;
}

- instance->sense_dma_pool = pci_pool_create("megasas sense pool",
- instance->pdev, 128, 4, 0);
+ instance->sense_dma_pool = dma_pool_create("megasas sense pool",
+ &instance->pdev->dev, 128,
+ 4, 0);

if (!instance->sense_dma_pool) {
dev_printk(KERN_DEBUG, &instance->pdev->dev, "failed to setup sense pool\n");

- pci_pool_destroy(instance->frame_dma_pool);
+ dma_pool_destroy(instance->frame_dma_pool);
instance->frame_dma_pool = NULL;

return -ENOMEM;
@@ -3955,10 +3957,10 @@ static int megasas_create_frame_pool(struct megasas_instance *instance)

cmd = instance->cmd_list[i];

- cmd->frame = pci_pool_alloc(instance->frame_dma_pool,
+ cmd->frame = dma_pool_alloc(instance->frame_dma_pool,
GFP_KERNEL, &cmd->frame_phys_addr);

- cmd->sense = pci_pool_alloc(instance->sense_dma_pool,
+ cmd->sense = dma_pool_alloc(instance->sense_dma_pool,
GFP_KERNEL, &cmd->sense_phys_addr);

/*
@@ -3966,7 +3968,8 @@ static int megasas_create_frame_pool(struct megasas_instance *instance)
* whatever has been allocated
*/
if (!cmd->frame || !cmd->sense) {
- dev_printk(KERN_DEBUG, &instance->pdev->dev, "pci_pool_alloc failed\n");
+ dev_printk(KERN_DEBUG, &instance->pdev->dev,
+ "dma_pool_alloc failed\n");
megasas_teardown_frame_pool(instance);
return -ENOMEM;
}
diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c
index f990ab4d45e1..70fcca17d8ab 100644
--- a/drivers/scsi/megaraid/megaraid_sas_fusion.c
+++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c
@@ -313,22 +313,19 @@ megasas_free_cmds_fusion(struct megasas_instance *instance)
cmd = fusion->cmd_list[i];
if (cmd) {
if (cmd->sg_frame)
- pci_pool_free(fusion->sg_dma_pool, cmd->sg_frame,
- cmd->sg_frame_phys_addr);
+ dma_pool_free(fusion->sg_dma_pool,
+ cmd->sg_frame,
+ cmd->sg_frame_phys_addr);
if (cmd->sense)
- pci_pool_free(fusion->sense_dma_pool, cmd->sense,
- cmd->sense_phys_addr);
+ dma_pool_free(fusion->sense_dma_pool,
+ cmd->sense, cmd->sense_phys_addr);
}
}

- if (fusion->sg_dma_pool) {
- pci_pool_destroy(fusion->sg_dma_pool);
- fusion->sg_dma_pool = NULL;
- }
- if (fusion->sense_dma_pool) {
- pci_pool_destroy(fusion->sense_dma_pool);
- fusion->sense_dma_pool = NULL;
- }
+ dma_pool_destroy(fusion->sg_dma_pool);
+ fusion->sg_dma_pool = NULL;
+ dma_pool_destroy(fusion->sense_dma_pool);
+ fusion->sense_dma_pool = NULL;


/* Reply Frame, Desc*/
@@ -343,14 +340,11 @@ megasas_free_cmds_fusion(struct megasas_instance *instance)
fusion->request_alloc_sz, fusion->req_frames_desc,
fusion->req_frames_desc_phys);
if (fusion->io_request_frames)
- pci_pool_free(fusion->io_request_frames_pool,
+ dma_pool_free(fusion->io_request_frames_pool,
fusion->io_request_frames,
fusion->io_request_frames_phys);
- if (fusion->io_request_frames_pool) {
- pci_pool_destroy(fusion->io_request_frames_pool);
- fusion->io_request_frames_pool = NULL;
- }
-
+ dma_pool_destroy(fusion->io_request_frames_pool);
+ fusion->io_request_frames_pool = NULL;

/* cmd_list */
for (i = 0; i < instance->max_mpt_cmds; i++)
@@ -376,12 +370,12 @@ static int megasas_create_sg_sense_fusion(struct megasas_instance *instance)


fusion->sg_dma_pool =
- pci_pool_create("mr_sg", instance->pdev,
+ dma_pool_create("mr_sg", &instance->pdev->dev,
instance->max_chain_frame_sz,
MR_DEFAULT_NVME_PAGE_SIZE, 0);
/* SCSI_SENSE_BUFFERSIZE = 96 bytes */
fusion->sense_dma_pool =
- pci_pool_create("mr_sense", instance->pdev,
+ dma_pool_create("mr_sense", &instance->pdev->dev,
SCSI_SENSE_BUFFERSIZE, 64, 0);

if (!fusion->sense_dma_pool || !fusion->sg_dma_pool) {
@@ -395,10 +389,10 @@ static int megasas_create_sg_sense_fusion(struct megasas_instance *instance)
*/
for (i = 0; i < max_cmd; i++) {
cmd = fusion->cmd_list[i];
- cmd->sg_frame = pci_pool_alloc(fusion->sg_dma_pool,
+ cmd->sg_frame = dma_pool_alloc(fusion->sg_dma_pool,
GFP_KERNEL, &cmd->sg_frame_phys_addr);

- cmd->sense = pci_pool_alloc(fusion->sense_dma_pool,
+ cmd->sense = dma_pool_alloc(fusion->sense_dma_pool,
GFP_KERNEL, &cmd->sense_phys_addr);
if (!cmd->sg_frame || !cmd->sense) {
dev_err(&instance->pdev->dev,
@@ -410,7 +404,7 @@ static int megasas_create_sg_sense_fusion(struct megasas_instance *instance)
/* create sense buffer for the raid 1/10 fp */
for (i = max_cmd; i < instance->max_mpt_cmds; i++) {
cmd = fusion->cmd_list[i];
- cmd->sense = pci_pool_alloc(fusion->sense_dma_pool,
+ cmd->sense = dma_pool_alloc(fusion->sense_dma_pool,
GFP_KERNEL, &cmd->sense_phys_addr);
if (!cmd->sense) {
dev_err(&instance->pdev->dev,
@@ -475,7 +469,7 @@ megasas_alloc_request_fusion(struct megasas_instance *instance)
}

fusion->io_request_frames_pool =
- pci_pool_create("mr_ioreq", instance->pdev,
+ dma_pool_create("mr_ioreq", &instance->pdev->dev,
fusion->io_frames_alloc_sz, 16, 0);

if (!fusion->io_request_frames_pool) {
@@ -485,7 +479,7 @@ megasas_alloc_request_fusion(struct megasas_instance *instance)
}

fusion->io_request_frames =
- pci_pool_alloc(fusion->io_request_frames_pool,
+ dma_pool_alloc(fusion->io_request_frames_pool,
GFP_KERNEL, &fusion->io_request_frames_phys);
if (!fusion->io_request_frames) {
dev_err(&instance->pdev->dev,
@@ -505,7 +499,7 @@ megasas_alloc_reply_fusion(struct megasas_instance *instance)

count = instance->msix_vectors > 0 ? instance->msix_vectors : 1;
fusion->reply_frames_desc_pool =
- pci_pool_create("mr_reply", instance->pdev,
+ dma_pool_create("mr_reply", &instance->pdev->dev,
fusion->reply_alloc_sz * count, 16, 0);

if (!fusion->reply_frames_desc_pool) {
@@ -515,7 +509,7 @@ megasas_alloc_reply_fusion(struct megasas_instance *instance)
}

fusion->reply_frames_desc[0] =
- pci_pool_alloc(fusion->reply_frames_desc_pool,
+ dma_pool_alloc(fusion->reply_frames_desc_pool,
GFP_KERNEL, &fusion->reply_frames_desc_phys[0]);
if (!fusion->reply_frames_desc[0]) {
dev_err(&instance->pdev->dev,
@@ -558,8 +552,10 @@ megasas_alloc_rdpq_fusion(struct megasas_instance *instance)
memset(fusion->rdpq_virt, 0,
sizeof(struct MPI2_IOC_INIT_RDPQ_ARRAY_ENTRY) * MAX_MSIX_QUEUES_FUSION);
count = instance->msix_vectors > 0 ? instance->msix_vectors : 1;
- fusion->reply_frames_desc_pool = pci_pool_create("mr_rdpq",
- instance->pdev, fusion->reply_alloc_sz, 16, 0);
+ fusion->reply_frames_desc_pool = dma_pool_create("mr_rdpq",
+ &instance->pdev->dev,
+ fusion->reply_alloc_sz,
+ 16, 0);

if (!fusion->reply_frames_desc_pool) {
dev_err(&instance->pdev->dev,
@@ -569,7 +565,7 @@ megasas_alloc_rdpq_fusion(struct megasas_instance *instance)

for (i = 0; i < count; i++) {
fusion->reply_frames_desc[i] =
- pci_pool_alloc(fusion->reply_frames_desc_pool,
+ dma_pool_alloc(fusion->reply_frames_desc_pool,
GFP_KERNEL, &fusion->reply_frames_desc_phys[i]);
if (!fusion->reply_frames_desc[i]) {
dev_err(&instance->pdev->dev,
@@ -597,13 +593,12 @@ megasas_free_rdpq_fusion(struct megasas_instance *instance) {

for (i = 0; i < MAX_MSIX_QUEUES_FUSION; i++) {
if (fusion->reply_frames_desc[i])
- pci_pool_free(fusion->reply_frames_desc_pool,
+ dma_pool_free(fusion->reply_frames_desc_pool,
fusion->reply_frames_desc[i],
fusion->reply_frames_desc_phys[i]);
}

- if (fusion->reply_frames_desc_pool)
- pci_pool_destroy(fusion->reply_frames_desc_pool);
+ dma_pool_destroy(fusion->reply_frames_desc_pool);

if (fusion->rdpq_virt)
pci_free_consistent(instance->pdev,
@@ -619,12 +614,11 @@ megasas_free_reply_fusion(struct megasas_instance *instance) {
fusion = instance->ctrl_context;

if (fusion->reply_frames_desc[0])
- pci_pool_free(fusion->reply_frames_desc_pool,
+ dma_pool_free(fusion->reply_frames_desc_pool,
fusion->reply_frames_desc[0],
fusion->reply_frames_desc_phys[0]);

- if (fusion->reply_frames_desc_pool)
- pci_pool_destroy(fusion->reply_frames_desc_pool);
+ dma_pool_destroy(fusion->reply_frames_desc_pool);

}

--
2.11.0