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path: root/drivers/infiniband/hw/mthca/mthca_main.c
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Diffstat (limited to 'drivers/infiniband/hw/mthca/mthca_main.c')
-rw-r--r--drivers/infiniband/hw/mthca/mthca_main.c175
1 files changed, 48 insertions, 127 deletions
diff --git a/drivers/infiniband/hw/mthca/mthca_main.c b/drivers/infiniband/hw/mthca/mthca_main.c
index f24b79b805f2..aa12a533ae9e 100644
--- a/drivers/infiniband/hw/mthca/mthca_main.c
+++ b/drivers/infiniband/hw/mthca/mthca_main.c
@@ -149,7 +149,7 @@ static int mthca_tune_pci(struct mthca_dev *mdev)
} else if (!(mdev->mthca_flags & MTHCA_FLAG_PCIE))
mthca_info(mdev, "No PCI-X capability, not setting RBC.\n");
- if (pci_find_capability(mdev->pdev, PCI_CAP_ID_EXP)) {
+ if (pci_is_pcie(mdev->pdev)) {
if (pcie_set_readrq(mdev->pdev, 4096)) {
mthca_err(mdev, "Couldn't write PCI Express read request, "
"aborting.\n");
@@ -165,19 +165,14 @@ static int mthca_tune_pci(struct mthca_dev *mdev)
static int mthca_dev_lim(struct mthca_dev *mdev, struct mthca_dev_lim *dev_lim)
{
int err;
- u8 status;
mdev->limits.mtt_seg_size = (1 << log_mtts_per_seg) * 8;
- err = mthca_QUERY_DEV_LIM(mdev, dev_lim, &status);
+ err = mthca_QUERY_DEV_LIM(mdev, dev_lim);
if (err) {
- mthca_err(mdev, "QUERY_DEV_LIM command failed, aborting.\n");
+ mthca_err(mdev, "QUERY_DEV_LIM command returned %d"
+ ", aborting.\n", err);
return err;
}
- if (status) {
- mthca_err(mdev, "QUERY_DEV_LIM returned status 0x%02x, "
- "aborting.\n", status);
- return -EINVAL;
- }
if (dev_lim->min_page_sz > PAGE_SIZE) {
mthca_err(mdev, "HCA minimum page size of %d bigger than "
"kernel PAGE_SIZE of %ld, aborting.\n",
@@ -293,49 +288,32 @@ static int mthca_dev_lim(struct mthca_dev *mdev, struct mthca_dev_lim *dev_lim)
static int mthca_init_tavor(struct mthca_dev *mdev)
{
s64 size;
- u8 status;
int err;
struct mthca_dev_lim dev_lim;
struct mthca_profile profile;
struct mthca_init_hca_param init_hca;
- err = mthca_SYS_EN(mdev, &status);
+ err = mthca_SYS_EN(mdev);
if (err) {
- mthca_err(mdev, "SYS_EN command failed, aborting.\n");
+ mthca_err(mdev, "SYS_EN command returned %d, aborting.\n", err);
return err;
}
- if (status) {
- mthca_err(mdev, "SYS_EN returned status 0x%02x, "
- "aborting.\n", status);
- return -EINVAL;
- }
- err = mthca_QUERY_FW(mdev, &status);
+ err = mthca_QUERY_FW(mdev);
if (err) {
- mthca_err(mdev, "QUERY_FW command failed, aborting.\n");
- goto err_disable;
- }
- if (status) {
- mthca_err(mdev, "QUERY_FW returned status 0x%02x, "
- "aborting.\n", status);
- err = -EINVAL;
+ mthca_err(mdev, "QUERY_FW command returned %d,"
+ " aborting.\n", err);
goto err_disable;
}
- err = mthca_QUERY_DDR(mdev, &status);
+ err = mthca_QUERY_DDR(mdev);
if (err) {
- mthca_err(mdev, "QUERY_DDR command failed, aborting.\n");
- goto err_disable;
- }
- if (status) {
- mthca_err(mdev, "QUERY_DDR returned status 0x%02x, "
- "aborting.\n", status);
- err = -EINVAL;
+ mthca_err(mdev, "QUERY_DDR command returned %d, aborting.\n", err);
goto err_disable;
}
err = mthca_dev_lim(mdev, &dev_lim);
if (err) {
- mthca_err(mdev, "QUERY_DEV_LIM command failed, aborting.\n");
+ mthca_err(mdev, "QUERY_DEV_LIM command returned %d, aborting.\n", err);
goto err_disable;
}
@@ -351,29 +329,22 @@ static int mthca_init_tavor(struct mthca_dev *mdev)
goto err_disable;
}
- err = mthca_INIT_HCA(mdev, &init_hca, &status);
+ err = mthca_INIT_HCA(mdev, &init_hca);
if (err) {
- mthca_err(mdev, "INIT_HCA command failed, aborting.\n");
- goto err_disable;
- }
- if (status) {
- mthca_err(mdev, "INIT_HCA returned status 0x%02x, "
- "aborting.\n", status);
- err = -EINVAL;
+ mthca_err(mdev, "INIT_HCA command returned %d, aborting.\n", err);
goto err_disable;
}
return 0;
err_disable:
- mthca_SYS_DIS(mdev, &status);
+ mthca_SYS_DIS(mdev);
return err;
}
static int mthca_load_fw(struct mthca_dev *mdev)
{
- u8 status;
int err;
/* FIXME: use HCA-attached memory for FW if present */
@@ -386,31 +357,21 @@ static int mthca_load_fw(struct mthca_dev *mdev)
return -ENOMEM;
}
- err = mthca_MAP_FA(mdev, mdev->fw.arbel.fw_icm, &status);
+ err = mthca_MAP_FA(mdev, mdev->fw.arbel.fw_icm);
if (err) {
- mthca_err(mdev, "MAP_FA command failed, aborting.\n");
- goto err_free;
- }
- if (status) {
- mthca_err(mdev, "MAP_FA returned status 0x%02x, aborting.\n", status);
- err = -EINVAL;
+ mthca_err(mdev, "MAP_FA command returned %d, aborting.\n", err);
goto err_free;
}
- err = mthca_RUN_FW(mdev, &status);
+ err = mthca_RUN_FW(mdev);
if (err) {
- mthca_err(mdev, "RUN_FW command failed, aborting.\n");
- goto err_unmap_fa;
- }
- if (status) {
- mthca_err(mdev, "RUN_FW returned status 0x%02x, aborting.\n", status);
- err = -EINVAL;
+ mthca_err(mdev, "RUN_FW command returned %d, aborting.\n", err);
goto err_unmap_fa;
}
return 0;
err_unmap_fa:
- mthca_UNMAP_FA(mdev, &status);
+ mthca_UNMAP_FA(mdev);
err_free:
mthca_free_icm(mdev, mdev->fw.arbel.fw_icm, 0);
@@ -423,19 +384,13 @@ static int mthca_init_icm(struct mthca_dev *mdev,
u64 icm_size)
{
u64 aux_pages;
- u8 status;
int err;
- err = mthca_SET_ICM_SIZE(mdev, icm_size, &aux_pages, &status);
+ err = mthca_SET_ICM_SIZE(mdev, icm_size, &aux_pages);
if (err) {
- mthca_err(mdev, "SET_ICM_SIZE command failed, aborting.\n");
+ mthca_err(mdev, "SET_ICM_SIZE command returned %d, aborting.\n", err);
return err;
}
- if (status) {
- mthca_err(mdev, "SET_ICM_SIZE returned status 0x%02x, "
- "aborting.\n", status);
- return -EINVAL;
- }
mthca_dbg(mdev, "%lld KB of HCA context requires %lld KB aux memory.\n",
(unsigned long long) icm_size >> 10,
@@ -448,14 +403,9 @@ static int mthca_init_icm(struct mthca_dev *mdev,
return -ENOMEM;
}
- err = mthca_MAP_ICM_AUX(mdev, mdev->fw.arbel.aux_icm, &status);
+ err = mthca_MAP_ICM_AUX(mdev, mdev->fw.arbel.aux_icm);
if (err) {
- mthca_err(mdev, "MAP_ICM_AUX command failed, aborting.\n");
- goto err_free_aux;
- }
- if (status) {
- mthca_err(mdev, "MAP_ICM_AUX returned status 0x%02x, aborting.\n", status);
- err = -EINVAL;
+ mthca_err(mdev, "MAP_ICM_AUX returned %d, aborting.\n", err);
goto err_free_aux;
}
@@ -596,7 +546,7 @@ err_unmap_eq:
mthca_unmap_eq_icm(mdev);
err_unmap_aux:
- mthca_UNMAP_ICM_AUX(mdev, &status);
+ mthca_UNMAP_ICM_AUX(mdev);
err_free_aux:
mthca_free_icm(mdev, mdev->fw.arbel.aux_icm, 0);
@@ -606,7 +556,6 @@ err_free_aux:
static void mthca_free_icms(struct mthca_dev *mdev)
{
- u8 status;
mthca_free_icm_table(mdev, mdev->mcg_table.table);
if (mdev->mthca_flags & MTHCA_FLAG_SRQ)
@@ -619,7 +568,7 @@ static void mthca_free_icms(struct mthca_dev *mdev)
mthca_free_icm_table(mdev, mdev->mr_table.mtt_table);
mthca_unmap_eq_icm(mdev);
- mthca_UNMAP_ICM_AUX(mdev, &status);
+ mthca_UNMAP_ICM_AUX(mdev);
mthca_free_icm(mdev, mdev->fw.arbel.aux_icm, 0);
}
@@ -629,43 +578,32 @@ static int mthca_init_arbel(struct mthca_dev *mdev)
struct mthca_profile profile;
struct mthca_init_hca_param init_hca;
s64 icm_size;
- u8 status;
int err;
- err = mthca_QUERY_FW(mdev, &status);
+ err = mthca_QUERY_FW(mdev);
if (err) {
- mthca_err(mdev, "QUERY_FW command failed, aborting.\n");
+ mthca_err(mdev, "QUERY_FW command failed %d, aborting.\n", err);
return err;
}
- if (status) {
- mthca_err(mdev, "QUERY_FW returned status 0x%02x, "
- "aborting.\n", status);
- return -EINVAL;
- }
- err = mthca_ENABLE_LAM(mdev, &status);
- if (err) {
- mthca_err(mdev, "ENABLE_LAM command failed, aborting.\n");
- return err;
- }
- if (status == MTHCA_CMD_STAT_LAM_NOT_PRE) {
+ err = mthca_ENABLE_LAM(mdev);
+ if (err == -EAGAIN) {
mthca_dbg(mdev, "No HCA-attached memory (running in MemFree mode)\n");
mdev->mthca_flags |= MTHCA_FLAG_NO_LAM;
- } else if (status) {
- mthca_err(mdev, "ENABLE_LAM returned status 0x%02x, "
- "aborting.\n", status);
- return -EINVAL;
+ } else if (err) {
+ mthca_err(mdev, "ENABLE_LAM returned %d, aborting.\n", err);
+ return err;
}
err = mthca_load_fw(mdev);
if (err) {
- mthca_err(mdev, "Failed to start FW, aborting.\n");
+ mthca_err(mdev, "Loading FW returned %d, aborting.\n", err);
goto err_disable;
}
err = mthca_dev_lim(mdev, &dev_lim);
if (err) {
- mthca_err(mdev, "QUERY_DEV_LIM command failed, aborting.\n");
+ mthca_err(mdev, "QUERY_DEV_LIM returned %d, aborting.\n", err);
goto err_stop_fw;
}
@@ -685,15 +623,9 @@ static int mthca_init_arbel(struct mthca_dev *mdev)
if (err)
goto err_stop_fw;
- err = mthca_INIT_HCA(mdev, &init_hca, &status);
+ err = mthca_INIT_HCA(mdev, &init_hca);
if (err) {
- mthca_err(mdev, "INIT_HCA command failed, aborting.\n");
- goto err_free_icm;
- }
- if (status) {
- mthca_err(mdev, "INIT_HCA returned status 0x%02x, "
- "aborting.\n", status);
- err = -EINVAL;
+ mthca_err(mdev, "INIT_HCA command returned %d, aborting.\n", err);
goto err_free_icm;
}
@@ -703,37 +635,34 @@ err_free_icm:
mthca_free_icms(mdev);
err_stop_fw:
- mthca_UNMAP_FA(mdev, &status);
+ mthca_UNMAP_FA(mdev);
mthca_free_icm(mdev, mdev->fw.arbel.fw_icm, 0);
err_disable:
if (!(mdev->mthca_flags & MTHCA_FLAG_NO_LAM))
- mthca_DISABLE_LAM(mdev, &status);
+ mthca_DISABLE_LAM(mdev);
return err;
}
static void mthca_close_hca(struct mthca_dev *mdev)
{
- u8 status;
-
- mthca_CLOSE_HCA(mdev, 0, &status);
+ mthca_CLOSE_HCA(mdev, 0);
if (mthca_is_memfree(mdev)) {
mthca_free_icms(mdev);
- mthca_UNMAP_FA(mdev, &status);
+ mthca_UNMAP_FA(mdev);
mthca_free_icm(mdev, mdev->fw.arbel.fw_icm, 0);
if (!(mdev->mthca_flags & MTHCA_FLAG_NO_LAM))
- mthca_DISABLE_LAM(mdev, &status);
+ mthca_DISABLE_LAM(mdev);
} else
- mthca_SYS_DIS(mdev, &status);
+ mthca_SYS_DIS(mdev);
}
static int mthca_init_hca(struct mthca_dev *mdev)
{
- u8 status;
int err;
struct mthca_adapter adapter;
@@ -745,15 +674,9 @@ static int mthca_init_hca(struct mthca_dev *mdev)
if (err)
return err;
- err = mthca_QUERY_ADAPTER(mdev, &adapter, &status);
+ err = mthca_QUERY_ADAPTER(mdev, &adapter);
if (err) {
- mthca_err(mdev, "QUERY_ADAPTER command failed, aborting.\n");
- goto err_close;
- }
- if (status) {
- mthca_err(mdev, "QUERY_ADAPTER returned status 0x%02x, "
- "aborting.\n", status);
- err = -EINVAL;
+ mthca_err(mdev, "QUERY_ADAPTER command returned %d, aborting.\n", err);
goto err_close;
}
@@ -772,7 +695,6 @@ err_close:
static int mthca_setup_hca(struct mthca_dev *dev)
{
int err;
- u8 status;
MTHCA_INIT_DOORBELL_LOCK(&dev->doorbell_lock);
@@ -833,8 +755,8 @@ static int mthca_setup_hca(struct mthca_dev *dev)
goto err_eq_table_free;
}
- err = mthca_NOP(dev, &status);
- if (err || status) {
+ err = mthca_NOP(dev);
+ if (err) {
if (dev->mthca_flags & MTHCA_FLAG_MSI_X) {
mthca_warn(dev, "NOP command failed to generate interrupt "
"(IRQ %d).\n",
@@ -1166,7 +1088,6 @@ err_disable_pdev:
static void __mthca_remove_one(struct pci_dev *pdev)
{
struct mthca_dev *mdev = pci_get_drvdata(pdev);
- u8 status;
int p;
if (mdev) {
@@ -1174,7 +1095,7 @@ static void __mthca_remove_one(struct pci_dev *pdev)
mthca_unregister_device(mdev);
for (p = 1; p <= mdev->limits.num_ports; ++p)
- mthca_CLOSE_IB(mdev, p, &status);
+ mthca_CLOSE_IB(mdev, p);
mthca_cleanup_mcg_table(mdev);
mthca_cleanup_av_table(mdev);
generated by cgit v1.2.3 (git 2.46.0) at 2025-10-31 11:08:42 +0000