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path: root/drivers/infiniband/hw/mthca/mthca_eq.c
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Diffstat (limited to 'drivers/infiniband/hw/mthca/mthca_eq.c')
-rw-r--r--drivers/infiniband/hw/mthca/mthca_eq.c54
1 files changed, 16 insertions, 38 deletions
diff --git a/drivers/infiniband/hw/mthca/mthca_eq.c b/drivers/infiniband/hw/mthca/mthca_eq.c
index 8c31fa36e95..69020173899 100644
--- a/drivers/infiniband/hw/mthca/mthca_eq.c
+++ b/drivers/infiniband/hw/mthca/mthca_eq.c
@@ -34,6 +34,7 @@
#include <linux/errno.h>
#include <linux/interrupt.h>
#include <linux/pci.h>
+#include <linux/slab.h>
#include "mthca_dev.h"
#include "mthca_cmd.h"
@@ -356,7 +357,7 @@ static int mthca_eq_int(struct mthca_dev *dev, struct mthca_eq *eq)
mthca_warn(dev, "Unhandled event %02x(%02x) on EQ %d\n",
eqe->type, eqe->subtype, eq->eqn);
break;
- };
+ }
set_eqe_hw(eqe);
++eq->cons_index;
@@ -473,7 +474,6 @@ static int mthca_create_eq(struct mthca_dev *dev,
struct mthca_eq_context *eq_context;
int err = -ENOMEM;
int i;
- u8 status;
eq->dev = dev;
eq->nent = roundup_pow_of_two(max(nent, 2));
@@ -503,7 +503,7 @@ static int mthca_create_eq(struct mthca_dev *dev,
goto err_out_free_pages;
dma_list[i] = t;
- pci_unmap_addr_set(&eq->page_list[i], mapping, t);
+ dma_unmap_addr_set(&eq->page_list[i], mapping, t);
clear_page(eq->page_list[i].buf);
}
@@ -542,15 +542,9 @@ static int mthca_create_eq(struct mthca_dev *dev,
eq_context->intr = intr;
eq_context->lkey = cpu_to_be32(eq->mr.ibmr.lkey);
- err = mthca_SW2HW_EQ(dev, mailbox, eq->eqn, &status);
+ err = mthca_SW2HW_EQ(dev, mailbox, eq->eqn);
if (err) {
- mthca_warn(dev, "SW2HW_EQ failed (%d)\n", err);
- goto err_out_free_mr;
- }
- if (status) {
- mthca_warn(dev, "SW2HW_EQ returned status 0x%02x\n",
- status);
- err = -EINVAL;
+ mthca_warn(dev, "SW2HW_EQ returned %d\n", err);
goto err_out_free_mr;
}
@@ -578,7 +572,7 @@ static int mthca_create_eq(struct mthca_dev *dev,
if (eq->page_list[i].buf)
dma_free_coherent(&dev->pdev->dev, PAGE_SIZE,
eq->page_list[i].buf,
- pci_unmap_addr(&eq->page_list[i],
+ dma_unmap_addr(&eq->page_list[i],
mapping));
mthca_free_mailbox(dev, mailbox);
@@ -596,7 +590,6 @@ static void mthca_free_eq(struct mthca_dev *dev,
{
struct mthca_mailbox *mailbox;
int err;
- u8 status;
int npages = (eq->nent * MTHCA_EQ_ENTRY_SIZE + PAGE_SIZE - 1) /
PAGE_SIZE;
int i;
@@ -605,11 +598,9 @@ static void mthca_free_eq(struct mthca_dev *dev,
if (IS_ERR(mailbox))
return;
- err = mthca_HW2SW_EQ(dev, mailbox, eq->eqn, &status);
+ err = mthca_HW2SW_EQ(dev, mailbox, eq->eqn);
if (err)
- mthca_warn(dev, "HW2SW_EQ failed (%d)\n", err);
- if (status)
- mthca_warn(dev, "HW2SW_EQ returned status 0x%02x\n", status);
+ mthca_warn(dev, "HW2SW_EQ returned %d\n", err);
dev->eq_table.arm_mask &= ~eq->eqn_mask;
@@ -628,7 +619,7 @@ static void mthca_free_eq(struct mthca_dev *dev,
for (i = 0; i < npages; ++i)
pci_free_consistent(dev->pdev, PAGE_SIZE,
eq->page_list[i].buf,
- pci_unmap_addr(&eq->page_list[i], mapping));
+ dma_unmap_addr(&eq->page_list[i], mapping));
kfree(eq->page_list);
mthca_free_mailbox(dev, mailbox);
@@ -652,7 +643,7 @@ static int mthca_map_reg(struct mthca_dev *dev,
unsigned long offset, unsigned long size,
void __iomem **map)
{
- unsigned long base = pci_resource_start(dev->pdev, 0);
+ phys_addr_t base = pci_resource_start(dev->pdev, 0);
*map = ioremap(base + offset, size);
if (!*map)
@@ -737,7 +728,6 @@ static void mthca_unmap_eq_regs(struct mthca_dev *dev)
int mthca_map_eq_icm(struct mthca_dev *dev, u64 icm_virt)
{
int ret;
- u8 status;
/*
* We assume that mapping one page is enough for the whole EQ
@@ -756,9 +746,7 @@ int mthca_map_eq_icm(struct mthca_dev *dev, u64 icm_virt)
return -ENOMEM;
}
- ret = mthca_MAP_ICM_page(dev, dev->eq_table.icm_dma, icm_virt, &status);
- if (!ret && status)
- ret = -EINVAL;
+ ret = mthca_MAP_ICM_page(dev, dev->eq_table.icm_dma, icm_virt);
if (ret) {
pci_unmap_page(dev->pdev, dev->eq_table.icm_dma, PAGE_SIZE,
PCI_DMA_BIDIRECTIONAL);
@@ -770,9 +758,7 @@ int mthca_map_eq_icm(struct mthca_dev *dev, u64 icm_virt)
void mthca_unmap_eq_icm(struct mthca_dev *dev)
{
- u8 status;
-
- mthca_UNMAP_ICM(dev, dev->eq_table.icm_virt, 1, &status);
+ mthca_UNMAP_ICM(dev, dev->eq_table.icm_virt, 1);
pci_unmap_page(dev->pdev, dev->eq_table.icm_dma, PAGE_SIZE,
PCI_DMA_BIDIRECTIONAL);
__free_page(dev->eq_table.icm_page);
@@ -781,7 +767,6 @@ void mthca_unmap_eq_icm(struct mthca_dev *dev)
int mthca_init_eq_table(struct mthca_dev *dev)
{
int err;
- u8 status;
u8 intr;
int i;
@@ -863,22 +848,16 @@ int mthca_init_eq_table(struct mthca_dev *dev)
}
err = mthca_MAP_EQ(dev, async_mask(dev),
- 0, dev->eq_table.eq[MTHCA_EQ_ASYNC].eqn, &status);
+ 0, dev->eq_table.eq[MTHCA_EQ_ASYNC].eqn);
if (err)
mthca_warn(dev, "MAP_EQ for async EQ %d failed (%d)\n",
dev->eq_table.eq[MTHCA_EQ_ASYNC].eqn, err);
- if (status)
- mthca_warn(dev, "MAP_EQ for async EQ %d returned status 0x%02x\n",
- dev->eq_table.eq[MTHCA_EQ_ASYNC].eqn, status);
err = mthca_MAP_EQ(dev, MTHCA_CMD_EVENT_MASK,
- 0, dev->eq_table.eq[MTHCA_EQ_CMD].eqn, &status);
+ 0, dev->eq_table.eq[MTHCA_EQ_CMD].eqn);
if (err)
mthca_warn(dev, "MAP_EQ for cmd EQ %d failed (%d)\n",
dev->eq_table.eq[MTHCA_EQ_CMD].eqn, err);
- if (status)
- mthca_warn(dev, "MAP_EQ for cmd EQ %d returned status 0x%02x\n",
- dev->eq_table.eq[MTHCA_EQ_CMD].eqn, status);
for (i = 0; i < MTHCA_NUM_EQ; ++i)
if (mthca_is_memfree(dev))
@@ -908,15 +887,14 @@ err_out_free:
void mthca_cleanup_eq_table(struct mthca_dev *dev)
{
- u8 status;
int i;
mthca_free_irqs(dev);
mthca_MAP_EQ(dev, async_mask(dev),
- 1, dev->eq_table.eq[MTHCA_EQ_ASYNC].eqn, &status);
+ 1, dev->eq_table.eq[MTHCA_EQ_ASYNC].eqn);
mthca_MAP_EQ(dev, MTHCA_CMD_EVENT_MASK,
- 1, dev->eq_table.eq[MTHCA_EQ_CMD].eqn, &status);
+ 1, dev->eq_table.eq[MTHCA_EQ_CMD].eqn);
for (i = 0; i < MTHCA_NUM_EQ; ++i)
mthca_free_eq(dev, &dev->eq_table.eq[i]);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-14 23:44:50 +0000