* [PATCH RFC 41/77] lpfc: Do not call pci_disable_msix() if pci_enable_msix() failed
From: Alexander Gordeev @ 2013-10-02 10:48 UTC (permalink / raw)
To: linux-kernel
Cc: linux-mips, VMware, Inc., linux-nvme, linux-ide, stable,
linux-s390, Andy King, linux-scsi, linux-rdma, x86,
Alexander Gordeev, linux-pci, iss_storagedev, linux-driver,
Tejun Heo, Bjorn Helgaas, Dan Williams, Jon Mason, Ingo Molnar,
Solarflare linux maintainers, netdev, Ralf Baechle, e1000-devel,
Martin Schwidefsky, linux390, linuxppc-dev
In-Reply-To: <cover.1380703262.git.agordeev@redhat.com>
Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
---
drivers/scsi/lpfc/lpfc_init.c | 9 ++++++---
1 files changed, 6 insertions(+), 3 deletions(-)
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index 647f5bf..0803b84 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -8080,7 +8080,7 @@ lpfc_sli_enable_msix(struct lpfc_hba *phba)
if (rc) {
lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
"0420 PCI enable MSI-X failed (%d)\n", rc);
- goto msi_fail_out;
+ goto vec_fail_out;
}
for (i = 0; i < LPFC_MSIX_VECTORS; i++)
lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
@@ -8158,6 +8158,8 @@ irq_fail_out:
msi_fail_out:
/* Unconfigure MSI-X capability structure */
pci_disable_msix(phba->pcidev);
+
+vec_fail_out:
return rc;
}
@@ -8646,7 +8648,7 @@ enable_msix_vectors:
} else if (rc) {
lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
"0484 PCI enable MSI-X failed (%d)\n", rc);
- goto msi_fail_out;
+ goto vec_fail_out;
}
/* Log MSI-X vector assignment */
@@ -8698,9 +8700,10 @@ cfg_fail_out:
&phba->sli4_hba.fcp_eq_hdl[index]);
}
-msi_fail_out:
/* Unconfigure MSI-X capability structure */
pci_disable_msix(phba->pcidev);
+
+vec_fail_out:
return rc;
}
--
1.7.7.6
^ permalink raw reply related
* [PATCH RFC 60/77] qlcnic: Return -ENOSPC when not enough MSI-X vectors available
From: Alexander Gordeev @ 2013-10-02 10:49 UTC (permalink / raw)
To: linux-kernel
Cc: linux-mips, VMware, Inc., linux-nvme, linux-ide, stable,
linux-s390, Andy King, linux-scsi, linux-rdma, x86,
Alexander Gordeev, linux-pci, iss_storagedev, linux-driver,
Tejun Heo, Bjorn Helgaas, Dan Williams, Jon Mason, Ingo Molnar,
Solarflare linux maintainers, netdev, Ralf Baechle, e1000-devel,
Martin Schwidefsky, linux390, linuxppc-dev
In-Reply-To: <cover.1380703262.git.agordeev@redhat.com>
Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
---
drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
index c4c5023..c6018bb 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
@@ -620,7 +620,7 @@ int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix)
num_msix);
if (qlcnic_83xx_check(adapter)) {
if (err < (QLC_83XX_MINIMUM_VECTOR - tx_vector))
- return err;
+ return -ENOSPC;
err -= (max_tx_rings + 1);
num_msix = rounddown_pow_of_two(err);
num_msix += (max_tx_rings + 1);
@@ -636,6 +636,7 @@ int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix)
num_msix);
goto enable_msix;
}
+ err = -ENOSPC;
} else {
dev_info(&pdev->dev,
"Unable to allocate %d MSI-X interrupt vectors\n",
--
1.7.7.6
^ permalink raw reply related
* [PATCH RFC 73/77] vmxnet3: Return -ENOSPC when not enough MSI-X vectors available
From: Alexander Gordeev @ 2013-10-02 10:49 UTC (permalink / raw)
To: linux-kernel
Cc: linux-mips, VMware, Inc., linux-nvme, linux-ide, stable,
linux-s390, Andy King, linux-scsi, linux-rdma, x86,
Alexander Gordeev, linux-pci, iss_storagedev, linux-driver,
Tejun Heo, Bjorn Helgaas, Dan Williams, Jon Mason, Ingo Molnar,
Solarflare linux maintainers, netdev, Ralf Baechle, e1000-devel,
Martin Schwidefsky, linux390, linuxppc-dev
In-Reply-To: <cover.1380703262.git.agordeev@redhat.com>
Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
---
drivers/net/vmxnet3/vmxnet3_drv.c | 8 ++++----
1 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c
index 3518173..3df7f32 100644
--- a/drivers/net/vmxnet3/vmxnet3_drv.c
+++ b/drivers/net/vmxnet3/vmxnet3_drv.c
@@ -2752,7 +2752,10 @@ vmxnet3_acquire_msix_vectors(struct vmxnet3_adapter *adapter,
"Failed to enable MSI-X, error: %d\n", err);
return err;
} else if (err < vector_threshold) {
- break;
+ dev_info(&adapter->pdev->dev,
+ "Number of MSI-Xs which can be allocated "
+ "is lower than min threshold required.\n");
+ return -ENOSPC;
} else {
/* If fails to enable required number of MSI-x vectors
* try enabling minimum number of vectors required.
@@ -2764,9 +2767,6 @@ vmxnet3_acquire_msix_vectors(struct vmxnet3_adapter *adapter,
}
}
- dev_info(&adapter->pdev->dev,
- "Number of MSI-X interrupts which can be allocated "
- "is lower than min threshold required.\n");
return err;
}
--
1.7.7.6
^ permalink raw reply related
* [PATCH RFC 18/77] cciss: Fallback to single MSI mode in case MSI-X failed
From: Alexander Gordeev @ 2013-10-02 10:48 UTC (permalink / raw)
To: linux-kernel
Cc: linux-mips, VMware, Inc., linux-nvme, linux-ide, stable,
linux-s390, Andy King, linux-scsi, linux-rdma, x86,
Alexander Gordeev, linux-pci, iss_storagedev, linux-driver,
Tejun Heo, Bjorn Helgaas, Dan Williams, Jon Mason, Ingo Molnar,
Solarflare linux maintainers, netdev, Ralf Baechle, e1000-devel,
Martin Schwidefsky, linux390, linuxppc-dev
In-Reply-To: <cover.1380703262.git.agordeev@redhat.com>
Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
---
drivers/block/cciss.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index bf11540..0eea035 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -4081,7 +4081,7 @@ static void cciss_interrupt_mode(ctlr_info_t *h)
if (pci_find_capability(h->pdev, PCI_CAP_ID_MSIX)) {
err = pci_msix_table_size(h->pdev);
if (err < ARRAY_SIZE(cciss_msix_entries))
- goto default_int_mode;
+ goto single_msi_mode;
err = pci_enable_msix(h->pdev, cciss_msix_entries,
ARRAY_SIZE(cciss_msix_entries));
if (!err) {
@@ -4093,8 +4093,8 @@ static void cciss_interrupt_mode(ctlr_info_t *h)
return;
}
dev_warn(&h->pdev->dev, "MSI-X init failed %d\n", err);
- goto default_int_mode;
}
+single_msi_mode:
if (pci_find_capability(h->pdev, PCI_CAP_ID_MSI)) {
if (!pci_enable_msi(h->pdev))
h->msi_vector = 1;
--
1.7.7.6
^ permalink raw reply related
* [PATCH RFC 48/77] mlx5: Return -ENOSPC when not enough MSI-X vectors available
From: Alexander Gordeev @ 2013-10-02 10:49 UTC (permalink / raw)
To: linux-kernel
Cc: linux-mips, VMware, Inc., linux-nvme, linux-ide, stable,
linux-s390, Andy King, linux-scsi, linux-rdma, x86,
Alexander Gordeev, linux-pci, iss_storagedev, linux-driver,
Tejun Heo, Bjorn Helgaas, Dan Williams, Jon Mason, Ingo Molnar,
Solarflare linux maintainers, netdev, Ralf Baechle, e1000-devel,
Martin Schwidefsky, linux390, linuxppc-dev
In-Reply-To: <cover.1380703262.git.agordeev@redhat.com>
Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
---
drivers/net/ethernet/mellanox/mlx5/core/main.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c
index 3573ba4..5e5c9a3 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c
@@ -122,7 +122,7 @@ static int mlx5_enable_msix(struct mlx5_core_dev *dev)
nvec = dev->caps.num_ports * num_online_cpus() + MLX5_EQ_VEC_COMP_BASE;
nvec = min_t(int, nvec, num_eqs);
if (nvec <= MLX5_EQ_VEC_COMP_BASE)
- return -ENOMEM;
+ return -ENOSPC;
table->msix_arr = kzalloc(nvec * sizeof(*table->msix_arr), GFP_KERNEL);
if (!table->msix_arr)
@@ -144,7 +144,7 @@ retry:
mlx5_core_dbg(dev, "received %d MSI vectors out of %d requested\n", err, nvec);
kfree(table->msix_arr);
- return 0;
+ return -ENOSPC;
}
static void mlx5_disable_msix(struct mlx5_core_dev *dev)
--
1.7.7.6
^ permalink raw reply related
* [PATCH RFC 76/77] vxge: Sanitize MSI-X allocation routine error codes
From: Alexander Gordeev @ 2013-10-02 10:49 UTC (permalink / raw)
To: linux-kernel
Cc: linux-mips, VMware, Inc., linux-nvme, linux-ide, stable,
linux-s390, Andy King, linux-scsi, linux-rdma, x86,
Alexander Gordeev, linux-pci, iss_storagedev, linux-driver,
Tejun Heo, Bjorn Helgaas, Dan Williams, Jon Mason, Ingo Molnar,
Solarflare linux maintainers, netdev, Ralf Baechle, e1000-devel,
Martin Schwidefsky, linux390, linuxppc-dev
In-Reply-To: <cover.1380703262.git.agordeev@redhat.com>
Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
---
drivers/net/ethernet/neterion/vxge/vxge-main.c | 6 ++----
1 files changed, 2 insertions(+), 4 deletions(-)
diff --git a/drivers/net/ethernet/neterion/vxge/vxge-main.c b/drivers/net/ethernet/neterion/vxge/vxge-main.c
index 5a20eaf..b81ff8b 100644
--- a/drivers/net/ethernet/neterion/vxge/vxge-main.c
+++ b/drivers/net/ethernet/neterion/vxge/vxge-main.c
@@ -2352,7 +2352,7 @@ start:
"%s: MSI-X enable failed for %d vectors, ret: %d",
VXGE_DRIVER_NAME, vdev->intr_cnt, ret);
if ((max_config_vpath != VXGE_USE_DEFAULT) || (ret < 3)) {
- ret = -ENODEV;
+ ret = -ENOSPC;
goto enable_msix_failed;
}
@@ -2365,10 +2365,8 @@ start:
vxge_close_vpaths(vdev, temp);
vdev->no_of_vpath = temp;
goto start;
- } else if (ret < 0) {
- ret = -ENODEV;
+ } else if (ret < 0)
goto enable_msix_failed;
- }
return 0;
enable_msix_failed:
--
1.7.7.6
^ permalink raw reply related
* [PATCH RFC 32/77] hpsa: Fallback to single MSI mode in case MSI-X failed
From: Alexander Gordeev @ 2013-10-02 10:48 UTC (permalink / raw)
To: linux-kernel
Cc: linux-mips, VMware, Inc., linux-nvme, linux-ide, stable,
linux-s390, Andy King, linux-scsi, linux-rdma, x86,
Alexander Gordeev, linux-pci, iss_storagedev, linux-driver,
Tejun Heo, Bjorn Helgaas, Dan Williams, Jon Mason, Ingo Molnar,
Solarflare linux maintainers, netdev, Ralf Baechle, e1000-devel,
Martin Schwidefsky, linux390, linuxppc-dev
In-Reply-To: <cover.1380703262.git.agordeev@redhat.com>
Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
---
drivers/scsi/hpsa.c | 5 +++--
1 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
index eb17b3d..252b65d 100644
--- a/drivers/scsi/hpsa.c
+++ b/drivers/scsi/hpsa.c
@@ -4112,7 +4112,7 @@ static void hpsa_interrupt_mode(struct ctlr_info *h)
err = pci_msix_table_size(h->pdev);
if (err < ARRAY_SIZE(hpsa_msix_entries))
- goto default_int_mode;
+ goto single_msi_mode;
for (i = 0; i < ARRAY_SIZE(hpsa_msix_entries); i++) {
hpsa_msix_entries[i].vector = 0;
@@ -4128,8 +4128,9 @@ static void hpsa_interrupt_mode(struct ctlr_info *h)
return;
}
dev_warn(&h->pdev->dev, "MSI-X init failed %d\n", err);
- goto default_int_mode;
+ goto single_msi_mode;
}
+single_msi_mode:
if (pci_find_capability(h->pdev, PCI_CAP_ID_MSI)) {
dev_info(&h->pdev->dev, "MSI\n");
if (!pci_enable_msi(h->pdev))
--
1.7.7.6
^ permalink raw reply related
* [PATCH RFC 35/77] ipr: Do not call pci_disable_msi/msix() if pci_enable_msi/msix() failed
From: Alexander Gordeev @ 2013-10-02 10:48 UTC (permalink / raw)
To: linux-kernel
Cc: linux-mips, VMware, Inc., linux-nvme, linux-ide, stable,
linux-s390, Andy King, linux-scsi, linux-rdma, x86,
Alexander Gordeev, linux-pci, iss_storagedev, linux-driver,
Tejun Heo, Bjorn Helgaas, Dan Williams, Jon Mason, Ingo Molnar,
Solarflare linux maintainers, netdev, Ralf Baechle, e1000-devel,
Martin Schwidefsky, linux390, linuxppc-dev
In-Reply-To: <cover.1380703262.git.agordeev@redhat.com>
Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
---
drivers/scsi/ipr.c | 8 ++------
1 files changed, 2 insertions(+), 6 deletions(-)
diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c
index 36ac1c3..fb57e21 100644
--- a/drivers/scsi/ipr.c
+++ b/drivers/scsi/ipr.c
@@ -9255,10 +9255,8 @@ static int ipr_enable_msix(struct ipr_ioa_cfg *ioa_cfg)
while ((err = pci_enable_msix(ioa_cfg->pdev, entries, vectors)) > 0)
vectors = err;
- if (err < 0) {
- pci_disable_msix(ioa_cfg->pdev);
+ if (err < 0)
return err;
- }
if (!err) {
for (i = 0; i < vectors; i++)
@@ -9278,10 +9276,8 @@ static int ipr_enable_msi(struct ipr_ioa_cfg *ioa_cfg)
while ((err = pci_enable_msi_block(ioa_cfg->pdev, vectors)) > 0)
vectors = err;
- if (err < 0) {
- pci_disable_msi(ioa_cfg->pdev);
+ if (err < 0)
return err;
- }
if (!err) {
for (i = 0; i < vectors; i++)
--
1.7.7.6
^ permalink raw reply related
* [PATCH RFC 53/77] ntb: Fix missed call to pci_enable_msix()
From: Alexander Gordeev @ 2013-10-02 10:49 UTC (permalink / raw)
To: linux-kernel
Cc: linux-mips, VMware, Inc., linux-nvme, linux-ide, stable,
linux-s390, Andy King, linux-scsi, linux-rdma, x86,
Alexander Gordeev, linux-pci, iss_storagedev, linux-driver,
Tejun Heo, Bjorn Helgaas, Dan Williams, Jon Mason, Ingo Molnar,
Solarflare linux maintainers, netdev, Ralf Baechle, e1000-devel,
Martin Schwidefsky, linux390, linuxppc-dev
In-Reply-To: <cover.1380703262.git.agordeev@redhat.com>
Current MSI-X enablement code assumes MSI-Xs were successfully
allocated in case less than requested vectors were available.
That assumption is wrong, since MSI-Xs should be enabled with
a repeated call to pci_enable_msix(). This update fixes this.
Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
---
drivers/ntb/ntb_hw.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/drivers/ntb/ntb_hw.c b/drivers/ntb/ntb_hw.c
index 1cb6e51..de2062c 100644
--- a/drivers/ntb/ntb_hw.c
+++ b/drivers/ntb/ntb_hw.c
@@ -1075,6 +1075,10 @@ static int ntb_setup_msix(struct ntb_device *ndev)
"Only %d MSI-X vectors. Limiting the number of queues to that number.\n",
rc);
msix_entries = rc;
+
+ rc = pci_enable_msix(pdev, ndev->msix_entries, msix_entries);
+ if (rc)
+ goto err1;
}
for (i = 0; i < msix_entries; i++) {
--
1.7.7.6
^ permalink raw reply related
* [PATCH RFC 43/77] lpfc: Return -ENOSPC when not enough MSI-X vectors available
From: Alexander Gordeev @ 2013-10-02 10:48 UTC (permalink / raw)
To: linux-kernel
Cc: linux-mips, VMware, Inc., linux-nvme, linux-ide, stable,
linux-s390, Andy King, linux-scsi, linux-rdma, x86,
Alexander Gordeev, linux-pci, iss_storagedev, linux-driver,
Tejun Heo, Bjorn Helgaas, Dan Williams, Jon Mason, Ingo Molnar,
Solarflare linux maintainers, netdev, Ralf Baechle, e1000-devel,
Martin Schwidefsky, linux390, linuxppc-dev
In-Reply-To: <cover.1380703262.git.agordeev@redhat.com>
Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
---
drivers/scsi/lpfc/lpfc_init.c | 10 +++++++---
1 files changed, 7 insertions(+), 3 deletions(-)
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index d83a1a3..0ec8008 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -8645,9 +8645,13 @@ lpfc_sli4_enable_msix(struct lpfc_hba *phba)
goto msg_fail_out;
vectors = min(vectors, rc);
- if (vectors > 1)
- rc = pci_enable_msix(phba->pcidev, phba->sli4_hba.msix_entries,
- vectors);
+ if (vectors < 2) {
+ rc = -ENOSPC;
+ goto msg_fail_out;
+ }
+
+ rc = pci_enable_msix(phba->pcidev, phba->sli4_hba.msix_entries,
+ vectors);
if (rc) {
msg_fail_out:
lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
--
1.7.7.6
^ permalink raw reply related
* [PATCH RFC 49/77] mlx5: Fix minimum number of MSI-Xs
From: Alexander Gordeev @ 2013-10-02 10:49 UTC (permalink / raw)
To: linux-kernel
Cc: linux-mips, VMware, Inc., linux-nvme, linux-ide, stable,
linux-s390, Andy King, linux-scsi, linux-rdma, x86,
Alexander Gordeev, linux-pci, iss_storagedev, linux-driver,
Tejun Heo, Bjorn Helgaas, Dan Williams, Jon Mason, Ingo Molnar,
Solarflare linux maintainers, netdev, Ralf Baechle, e1000-devel,
Martin Schwidefsky, linux390, linuxppc-dev
In-Reply-To: <cover.1380703262.git.agordeev@redhat.com>
The minimum number of MSI-Xs is (MLX5_EQ_VEC_COMP_BASE + 1) in
one check and 2 in another check. Make the checks consistent and
assume the minimum number is (MLX5_EQ_VEC_COMP_BASE + 1).
Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
---
drivers/net/ethernet/mellanox/mlx5/core/main.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c
index 5e5c9a3..adf0e5d 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c
@@ -136,7 +136,7 @@ retry:
err = pci_enable_msix(dev->pdev, table->msix_arr, nvec);
if (err <= 0) {
return err;
- } else if (err > 2) {
+ } else if (err > MLX5_EQ_VEC_COMP_BASE) {
nvec = err;
goto retry;
}
--
1.7.7.6
^ permalink raw reply related
* [PATCH RFC 03/77] PCI/MSI/s390: Fix single MSI only check
From: Alexander Gordeev @ 2013-10-02 10:48 UTC (permalink / raw)
To: linux-kernel
Cc: linux-mips, VMware, Inc., linux-nvme, linux-ide, stable,
linux-s390, Andy King, linux-scsi, linux-rdma, x86,
Alexander Gordeev, linux-pci, iss_storagedev, linux-driver,
Tejun Heo, Bjorn Helgaas, Dan Williams, Jon Mason, Ingo Molnar,
Solarflare linux maintainers, netdev, Ralf Baechle, e1000-devel,
Martin Schwidefsky, linux390, linuxppc-dev
In-Reply-To: <cover.1380703262.git.agordeev@redhat.com>
Multiple MSIs have never been supported on s390 architecture,
but the platform code fails to report single MSI only.
Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
---
arch/s390/pci/pci.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/arch/s390/pci/pci.c b/arch/s390/pci/pci.c
index f17a834..c79c6e4 100644
--- a/arch/s390/pci/pci.c
+++ b/arch/s390/pci/pci.c
@@ -427,6 +427,8 @@ int arch_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type)
pr_debug("%s: requesting %d MSI-X interrupts...", __func__, nvec);
if (type != PCI_CAP_ID_MSIX && type != PCI_CAP_ID_MSI)
return -EINVAL;
+ if (type == PCI_CAP_ID_MSI && nvec > 1)
+ return 1;
msi_vecs = min(nvec, ZPCI_MSI_VEC_MAX);
msi_vecs = min_t(unsigned int, msi_vecs, CONFIG_PCI_NR_MSI);
--
1.7.7.6
^ permalink raw reply related
* [PATCH RFC 27/77] cxgb4vf: Do not call pci_disable_msix() if pci_enable_msix() failed
From: Alexander Gordeev @ 2013-10-02 10:48 UTC (permalink / raw)
To: linux-kernel
Cc: linux-mips, VMware, Inc., linux-nvme, linux-ide, stable,
linux-s390, Andy King, linux-scsi, linux-rdma, x86,
Alexander Gordeev, linux-pci, iss_storagedev, linux-driver,
Tejun Heo, Bjorn Helgaas, Dan Williams, Jon Mason, Ingo Molnar,
Solarflare linux maintainers, netdev, Ralf Baechle, e1000-devel,
Martin Schwidefsky, linux390, linuxppc-dev
In-Reply-To: <cover.1380703262.git.agordeev@redhat.com>
Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
---
.../net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c | 1 -
1 files changed, 0 insertions(+), 1 deletions(-)
diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c b/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c
index 40c22e7..87a82fc 100644
--- a/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c
@@ -2468,7 +2468,6 @@ static int enable_msix(struct adapter *adapter)
for (i = 0; i < want; ++i)
adapter->msix_info[i].vec = entries[i].vector;
} else if (err > 0) {
- pci_disable_msix(adapter->pdev);
dev_info(adapter->pdev_dev, "only %d MSI-X vectors left,"
" not using MSI-X\n", err);
}
--
1.7.7.6
^ permalink raw reply related
* [PATCH RFC 22/77] cxgb3: Do not call pci_disable_msix() if pci_enable_msix() failed
From: Alexander Gordeev @ 2013-10-02 10:48 UTC (permalink / raw)
To: linux-kernel
Cc: linux-mips, VMware, Inc., linux-nvme, linux-ide, stable,
linux-s390, Andy King, linux-scsi, linux-rdma, x86,
Alexander Gordeev, linux-pci, iss_storagedev, linux-driver,
Tejun Heo, Bjorn Helgaas, Dan Williams, Jon Mason, Ingo Molnar,
Solarflare linux maintainers, netdev, Ralf Baechle, e1000-devel,
Martin Schwidefsky, linux390, linuxppc-dev
In-Reply-To: <cover.1380703262.git.agordeev@redhat.com>
Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
---
drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c | 3 ---
1 files changed, 0 insertions(+), 3 deletions(-)
diff --git a/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c b/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c
index b650951..9bd3099 100644
--- a/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c
@@ -3097,9 +3097,6 @@ static int cxgb_enable_msix(struct adapter *adap)
while ((err = pci_enable_msix(adap->pdev, entries, vectors)) > 0)
vectors = err;
- if (err < 0)
- pci_disable_msix(adap->pdev);
-
if (!err && vectors < (adap->params.nports + 1)) {
pci_disable_msix(adap->pdev);
err = -1;
--
1.7.7.6
^ permalink raw reply related
* [PATCH RFC 25/77] cxgb4: Return -ENOSPC when not enough MSI-X vectors available
From: Alexander Gordeev @ 2013-10-02 10:48 UTC (permalink / raw)
To: linux-kernel
Cc: linux-mips, VMware, Inc., linux-nvme, linux-ide, stable,
linux-s390, Andy King, linux-scsi, linux-rdma, x86,
Alexander Gordeev, linux-pci, iss_storagedev, linux-driver,
Tejun Heo, Bjorn Helgaas, Dan Williams, Jon Mason, Ingo Molnar,
Solarflare linux maintainers, netdev, Ralf Baechle, e1000-devel,
Martin Schwidefsky, linux390, linuxppc-dev
In-Reply-To: <cover.1380703262.git.agordeev@redhat.com>
Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
---
drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
index c73cabd..9425bc6 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
@@ -5732,9 +5732,11 @@ static int enable_msix(struct adapter *adap)
}
for (i = 0; i < want; ++i)
adap->msix_info[i].vec = entries[i].vector;
- } else if (err > 0)
+ } else if (err > 0) {
dev_info(adap->pdev_dev,
"only %d MSI-X vectors left, not using MSI-X\n", err);
+ err = -ENOSPC;
+ }
return err;
}
--
1.7.7.6
^ permalink raw reply related
* [PATCH RFC 62/77] qlcnic: Remove redundant return operator
From: Alexander Gordeev @ 2013-10-02 10:49 UTC (permalink / raw)
To: linux-kernel
Cc: linux-mips, VMware, Inc., linux-nvme, linux-ide, stable,
linux-s390, Andy King, linux-scsi, linux-rdma, x86,
Alexander Gordeev, linux-pci, iss_storagedev, linux-driver,
Tejun Heo, Bjorn Helgaas, Dan Williams, Jon Mason, Ingo Molnar,
Solarflare linux maintainers, netdev, Ralf Baechle, e1000-devel,
Martin Schwidefsky, linux390, linuxppc-dev
In-Reply-To: <cover.1380703262.git.agordeev@redhat.com>
Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
---
drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c | 1 -
1 files changed, 0 insertions(+), 1 deletions(-)
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
index ff6a78b..b94e679 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
@@ -613,7 +613,6 @@ int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix)
adapter->max_sds_rings = max_sds_rings;
}
dev_info(&pdev->dev, "using msi-x interrupts\n");
- return err;
} else if (err > 0) {
dev_info(&pdev->dev,
"Unable to allocate %d MSI-X interrupt vectors\n",
--
1.7.7.6
^ permalink raw reply related
* [PATCH RFC 04/77] PCI/MSI/s390: Remove superfluous check of MSI type
From: Alexander Gordeev @ 2013-10-02 10:48 UTC (permalink / raw)
To: linux-kernel
Cc: linux-mips, VMware, Inc., linux-nvme, linux-ide, stable,
linux-s390, Andy King, linux-scsi, linux-rdma, x86,
Alexander Gordeev, linux-pci, iss_storagedev, linux-driver,
Tejun Heo, Bjorn Helgaas, Dan Williams, Jon Mason, Ingo Molnar,
Solarflare linux maintainers, netdev, Ralf Baechle, e1000-devel,
Martin Schwidefsky, linux390, linuxppc-dev
In-Reply-To: <cover.1380703262.git.agordeev@redhat.com>
arch_setup_msi_irqs() hook can only be called from the generic
MSI code which ensures correct MSI type parameter.
Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
---
arch/s390/pci/pci.c | 2 --
1 files changed, 0 insertions(+), 2 deletions(-)
diff --git a/arch/s390/pci/pci.c b/arch/s390/pci/pci.c
index c79c6e4..61a3c2c 100644
--- a/arch/s390/pci/pci.c
+++ b/arch/s390/pci/pci.c
@@ -425,8 +425,6 @@ int arch_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type)
int rc;
pr_debug("%s: requesting %d MSI-X interrupts...", __func__, nvec);
- if (type != PCI_CAP_ID_MSIX && type != PCI_CAP_ID_MSI)
- return -EINVAL;
if (type == PCI_CAP_ID_MSI && nvec > 1)
return 1;
msi_vecs = min(nvec, ZPCI_MSI_VEC_MAX);
--
1.7.7.6
^ permalink raw reply related
* [PATCH RFC 65/77] qlge: Remove a redundant assignment
From: Alexander Gordeev @ 2013-10-02 10:49 UTC (permalink / raw)
To: linux-kernel
Cc: linux-mips, VMware, Inc., linux-nvme, linux-ide, stable,
linux-s390, Andy King, linux-scsi, linux-rdma, x86,
Alexander Gordeev, linux-pci, iss_storagedev, linux-driver,
Tejun Heo, Bjorn Helgaas, Dan Williams, Jon Mason, Ingo Molnar,
Solarflare linux maintainers, netdev, Ralf Baechle, e1000-devel,
Martin Schwidefsky, linux390, linuxppc-dev
In-Reply-To: <cover.1380703262.git.agordeev@redhat.com>
Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
---
drivers/net/ethernet/qlogic/qlge/qlge_main.c | 1 -
1 files changed, 0 insertions(+), 1 deletions(-)
diff --git a/drivers/net/ethernet/qlogic/qlge/qlge_main.c b/drivers/net/ethernet/qlogic/qlge/qlge_main.c
index 2553cf4..ac54cb0 100644
--- a/drivers/net/ethernet/qlogic/qlge/qlge_main.c
+++ b/drivers/net/ethernet/qlogic/qlge/qlge_main.c
@@ -3287,7 +3287,6 @@ static void ql_enable_msix(struct ql_adapter *qdev)
qdev->msi_x_entry = NULL;
netif_warn(qdev, ifup, qdev->ndev,
"MSI-X Enable failed, trying MSI.\n");
- qdev->intr_count = 1;
qlge_irq_type = MSI_IRQ;
} else if (err == 0) {
set_bit(QL_MSIX_ENABLED, &qdev->flags);
--
1.7.7.6
^ permalink raw reply related
* [PATCH RFC 61/77] qlogic: Return -EINVAL in case MSI-X is not supported
From: Alexander Gordeev @ 2013-10-02 10:49 UTC (permalink / raw)
To: linux-kernel
Cc: linux-mips, VMware, Inc., linux-nvme, linux-ide, stable,
linux-s390, Andy King, linux-scsi, linux-rdma, x86,
Alexander Gordeev, linux-pci, iss_storagedev, linux-driver,
Tejun Heo, Bjorn Helgaas, Dan Williams, Jon Mason, Ingo Molnar,
Solarflare linux maintainers, netdev, Ralf Baechle, e1000-devel,
Martin Schwidefsky, linux390, linuxppc-dev
In-Reply-To: <cover.1380703262.git.agordeev@redhat.com>
Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
---
drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
index c6018bb..ff6a78b 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
@@ -568,7 +568,7 @@ int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix)
{
struct pci_dev *pdev = adapter->pdev;
int max_tx_rings, max_sds_rings, tx_vector;
- int err = -1, i;
+ int err = -EINVAL, i;
if (adapter->flags & QLCNIC_TX_INTR_SHARED) {
max_tx_rings = 0;
--
1.7.7.6
^ permalink raw reply related
* [PATCH RFC 39/77] ixgbevf: Return -ENOSPC when not enough MSI-X vectors available
From: Alexander Gordeev @ 2013-10-02 10:48 UTC (permalink / raw)
To: linux-kernel
Cc: linux-mips, VMware, Inc., linux-nvme, linux-ide, stable,
linux-s390, Andy King, linux-scsi, linux-rdma, x86,
Alexander Gordeev, linux-pci, iss_storagedev, linux-driver,
Tejun Heo, Bjorn Helgaas, Dan Williams, Jon Mason, Ingo Molnar,
Solarflare linux maintainers, netdev, Ralf Baechle, e1000-devel,
Martin Schwidefsky, linux390, linuxppc-dev
In-Reply-To: <cover.1380703262.git.agordeev@redhat.com>
Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
---
drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
index 59a62bb..fa0537a 100644
--- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
+++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
@@ -1773,7 +1773,7 @@ static int ixgbevf_acquire_msix_vectors(struct ixgbevf_adapter *adapter,
}
if (vectors < vector_threshold)
- err = -ENOMEM;
+ err = -ENOSPC;
if (err) {
dev_err(&adapter->pdev->dev,
--
1.7.7.6
^ permalink raw reply related
* [PATCH RFC 28/77] cxgb4vf: Return -ENOSPC when not enough MSI-X vectors available
From: Alexander Gordeev @ 2013-10-02 10:48 UTC (permalink / raw)
To: linux-kernel
Cc: linux-mips, VMware, Inc., linux-nvme, linux-ide, stable,
linux-s390, Andy King, linux-scsi, linux-rdma, x86,
Alexander Gordeev, linux-pci, iss_storagedev, linux-driver,
Tejun Heo, Bjorn Helgaas, Dan Williams, Jon Mason, Ingo Molnar,
Solarflare linux maintainers, netdev, Ralf Baechle, e1000-devel,
Martin Schwidefsky, linux390, linuxppc-dev
In-Reply-To: <cover.1380703262.git.agordeev@redhat.com>
Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
---
.../net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c b/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c
index 87a82fc..11cbce1 100644
--- a/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c
@@ -2470,6 +2470,7 @@ static int enable_msix(struct adapter *adapter)
} else if (err > 0) {
dev_info(adapter->pdev_dev, "only %d MSI-X vectors left,"
" not using MSI-X\n", err);
+ err = -ENOSPC;
}
return err;
}
--
1.7.7.6
^ permalink raw reply related
* [PATCH RFC 17/77] cciss: Update a misleading comment on interrupt usage
From: Alexander Gordeev @ 2013-10-02 10:48 UTC (permalink / raw)
To: linux-kernel
Cc: linux-mips, VMware, Inc., linux-nvme, linux-ide, stable,
linux-s390, Andy King, linux-scsi, linux-rdma, x86,
Alexander Gordeev, linux-pci, iss_storagedev, linux-driver,
Tejun Heo, Bjorn Helgaas, Dan Williams, Jon Mason, Ingo Molnar,
Solarflare linux maintainers, netdev, Ralf Baechle, e1000-devel,
Martin Schwidefsky, linux390, linuxppc-dev
In-Reply-To: <cover.1380703262.git.agordeev@redhat.com>
Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
---
drivers/block/cciss.c | 5 ++++-
1 files changed, 4 insertions(+), 1 deletions(-)
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index 80068a0..bf11540 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -4103,7 +4103,10 @@ static void cciss_interrupt_mode(ctlr_info_t *h)
}
default_int_mode:
#endif /* CONFIG_PCI_MSI */
- /* if we get here we're going to use the default interrupt mode */
+ /*
+ * If we get here we're going to use either the
+ * default interrupt mode or single MSI mode
+ */
h->intr[h->intr_mode] = h->pdev->irq;
return;
}
--
1.7.7.6
^ permalink raw reply related
* [PATCH RFC 71/77] vmxnet3: Return -EINVAL if number of requested MSI-Xs is not enough
From: Alexander Gordeev @ 2013-10-02 10:49 UTC (permalink / raw)
To: linux-kernel
Cc: linux-mips, VMware, Inc., linux-nvme, linux-ide, stable,
linux-s390, Andy King, linux-scsi, linux-rdma, x86,
Alexander Gordeev, linux-pci, iss_storagedev, linux-driver,
Tejun Heo, Bjorn Helgaas, Dan Williams, Jon Mason, Ingo Molnar,
Solarflare linux maintainers, netdev, Ralf Baechle, e1000-devel,
Martin Schwidefsky, linux390, linuxppc-dev
In-Reply-To: <cover.1380703262.git.agordeev@redhat.com>
Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
---
drivers/net/vmxnet3/vmxnet3_drv.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c
index 7e2788c..5b8ea71 100644
--- a/drivers/net/vmxnet3/vmxnet3_drv.c
+++ b/drivers/net/vmxnet3/vmxnet3_drv.c
@@ -2738,7 +2738,7 @@ static int
vmxnet3_acquire_msix_vectors(struct vmxnet3_adapter *adapter,
int vectors)
{
- int err = 0, vector_threshold;
+ int err = -EINVAL, vector_threshold;
vector_threshold = VMXNET3_LINUX_MIN_MSIX_VECT;
while (vectors >= vector_threshold) {
--
1.7.7.6
^ permalink raw reply related
* [PATCH RFC 36/77] ipr: Enable MSI-X when IPR_USE_MSIX type is set, not IPR_USE_MSI
From: Alexander Gordeev @ 2013-10-02 10:48 UTC (permalink / raw)
To: linux-kernel
Cc: linux-mips, VMware, Inc., linux-nvme, linux-ide, stable,
linux-s390, Andy King, linux-scsi, linux-rdma, x86,
Alexander Gordeev, linux-pci, iss_storagedev, linux-driver,
Tejun Heo, Bjorn Helgaas, Dan Williams, Jon Mason, Ingo Molnar,
Solarflare linux maintainers, netdev, Ralf Baechle, e1000-devel,
Martin Schwidefsky, linux390, linuxppc-dev
In-Reply-To: <cover.1380703262.git.agordeev@redhat.com>
Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
---
drivers/scsi/ipr.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c
index fb57e21..762a93e 100644
--- a/drivers/scsi/ipr.c
+++ b/drivers/scsi/ipr.c
@@ -9527,7 +9527,7 @@ static int ipr_probe_ioa(struct pci_dev *pdev,
ipr_number_of_msix = IPR_MAX_MSIX_VECTORS;
}
- if (ioa_cfg->ipr_chip->intr_type == IPR_USE_MSI &&
+ if (ioa_cfg->ipr_chip->intr_type == IPR_USE_MSIX &&
ipr_enable_msix(ioa_cfg) == 0)
ioa_cfg->intr_flag = IPR_USE_MSIX;
else if (ioa_cfg->ipr_chip->intr_type == IPR_USE_MSI &&
--
1.7.7.6
^ permalink raw reply related
* [PATCH RFC 02/77] PCI/MSI/PPC: Fix wrong RTAS error code reporting
From: Alexander Gordeev @ 2013-10-02 10:48 UTC (permalink / raw)
To: linux-kernel
Cc: linux-mips, VMware, Inc., linux-nvme, linux-ide, stable,
linux-s390, Andy King, linux-scsi, linux-rdma, x86,
Alexander Gordeev, linux-pci, iss_storagedev, linux-driver,
Tejun Heo, Bjorn Helgaas, Dan Williams, Jon Mason, Ingo Molnar,
Solarflare linux maintainers, netdev, Ralf Baechle, e1000-devel,
Martin Schwidefsky, linux390, linuxppc-dev
In-Reply-To: <cover.1380703262.git.agordeev@redhat.com>
Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
---
arch/powerpc/platforms/pseries/msi.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/arch/powerpc/platforms/pseries/msi.c b/arch/powerpc/platforms/pseries/msi.c
index 6d2f0ab..009ec73 100644
--- a/arch/powerpc/platforms/pseries/msi.c
+++ b/arch/powerpc/platforms/pseries/msi.c
@@ -467,7 +467,7 @@ again:
list_for_each_entry(entry, &pdev->msi_list, list) {
hwirq = rtas_query_irq_number(pdn, i++);
if (hwirq < 0) {
- pr_debug("rtas_msi: error (%d) getting hwirq\n", rc);
+ pr_debug("rtas_msi: error (%d) getting hwirq\n", hwirq);
return hwirq;
}
--
1.7.7.6
^ permalink raw reply related
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