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pci: epf: dma-test: Use predefined macros for MSI

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Use pre-defined  MSI interrupt numbers for read, write and CRC.

Bug 4779415

Change-Id: I03fd5c9d5f955c2aeefdf26b2fb7d10a2b080d5b
Signed-off-by: Nagarjuna Kristam <nkristam@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3186459
Reviewed-by: Bitan Biswas <bbiswas@nvidia.com>
GVS: buildbot_gerritrpt <buildbot_gerritrpt@nvidia.com>
Reviewed-by: Manikanta Maddireddy <mmaddireddy@nvidia.com>
This commit is contained in:
Nagarjuna Kristam
2024-08-01 16:09:07 +05:30
committed by mobile promotions
parent 9b979e7516
commit 6a29330225
1 changed files with 15 additions and 8 deletions
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23
drivers/pci/endpoint/functions/pci-epf-dma-test.c
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@@ -58,9 +58,11 @@ static void edma_lib_test_raise_irq(void *p)
data[(wr_data->size/8) - 1u]); data[(wr_data->size/8) - 1u]);
#if defined(PCI_EPC_IRQ_TYPE_ENUM_PRESENT) /* Dropped from Linux 6.8 */ #if defined(PCI_EPC_IRQ_TYPE_ENUM_PRESENT) /* Dropped from Linux 6.8 */
lpci_epc_raise_irq(epfnv->epc, epfnv->epf->func_no, PCI_EPC_IRQ_MSI, 1); lpci_epc_raise_irq(epfnv->epc, epfnv->epf->func_no, PCI_EPC_IRQ_MSI,
TEGRA264_PCIE_DMA_MSI_CRC_VEC);
#else #else
lpci_epc_raise_irq(epfnv->epc, epfnv->epf->func_no, PCI_IRQ_MSI, 1); lpci_epc_raise_irq(epfnv->epc, epfnv->epf->func_no, PCI_IRQ_MSI,
TEGRA264_PCIE_DMA_MSI_CRC_VEC);
#endif #endif
} }
@@ -312,7 +314,12 @@ static void pcie_dma_epf_write_msi_msg(struct msi_desc *desc, struct msi_msg *ms
gepfnv->edma.msi_addr = msg->address_hi; gepfnv->edma.msi_addr = msg->address_hi;
gepfnv->edma.msi_addr <<= 32; gepfnv->edma.msi_addr <<= 32;
gepfnv->edma.msi_addr |= msg->address_lo; gepfnv->edma.msi_addr |= msg->address_lo;
gepfnv->edma.msi_data = msg->data + 1; /**
* First information received is for CRC MSI. So substract the same to get base and
* add WR local vector
*/
gepfnv->edma.msi_data = msg->data -TEGRA264_PCIE_DMA_MSI_CRC_VEC +
TEGRA264_PCIE_DMA_MSI_LOCAL_VEC;
} }
} }
#endif #endif
@@ -411,20 +418,20 @@ static int pcie_dma_epf_bind(struct pci_epf *epf)
} }
#if defined(NV_PLATFORM_MSI_DOMAIN_ALLOC_IRQS_PRESENT) /* Linux 6.9 */ #if defined(NV_PLATFORM_MSI_DOMAIN_ALLOC_IRQS_PRESENT) /* Linux 6.9 */
ret = platform_msi_domain_alloc_irqs(&pdev->dev, 2, pcie_dma_epf_write_msi_msg); ret = platform_msi_domain_alloc_irqs(&pdev->dev, 8, pcie_dma_epf_write_msi_msg);
if (ret < 0) { if (ret < 0) {
dev_err(fdev, "failed to allocate MSIs: %d\n", ret); dev_err(fdev, "failed to allocate MSIs: %d\n", ret);
goto fail_kasnprintf; goto fail_kasnprintf;
} }
#endif #endif
#if defined(NV_MSI_GET_VIRQ_PRESENT) /* Linux v6.1 */ #if defined(NV_MSI_GET_VIRQ_PRESENT) /* Linux v6.1 */
epfnv->edma.msi_irq = msi_get_virq(&pdev->dev, 1); epfnv->edma.msi_irq = msi_get_virq(&pdev->dev, TEGRA264_PCIE_DMA_MSI_LOCAL_VEC);
irq = msi_get_virq(&pdev->dev, 0); irq = msi_get_virq(&pdev->dev, TEGRA264_PCIE_DMA_MSI_CRC_VEC);
#else #else
for_each_msi_entry(desc, cdev) { for_each_msi_entry(desc, cdev) {
if (desc->platform.msi_index == 0) if (desc->platform.msi_index == TEGRA264_PCIE_DMA_MSI_CRC_VEC)
irq = desc->irq; irq = desc->irq;
else if (desc->platform.msi_index == 1) else if (desc->platform.msi_index == TEGRA264_PCIE_DMA_MSI_LOCAL_VEC)
epfnv->edma.msi_irq = desc->irq; epfnv->edma.msi_irq = desc->irq;
} }
#endif #endif