File micro6-kernel.patch of Package nvidia-open-driver-G06-signed-sidecar
Index: nvidia-oot/drivers/misc/nvscic2c-pcie/pci-client.c
===================================================================
--- nvidia-oot/drivers/misc/nvscic2c-pcie/pci-client.c.orig
+++ nvidia-oot/drivers/misc/nvscic2c-pcie/pci-client.c
@@ -246,7 +246,11 @@ allocate_edma_rx_desc_iova(struct pci_cl
goto err;
}
prot = (IOMMU_CACHE | IOMMU_READ | IOMMU_WRITE);
+#if 1
+ ret = iommu_map(ctx->domain, ctx->edma_ch_desc_iova, phys_addr, EDMA_CH_DESC_SZ, prot, GFP_KERNEL);
+#else
ret = iommu_map(ctx->domain, ctx->edma_ch_desc_iova, phys_addr, EDMA_CH_DESC_SZ, prot);
+#endif
if (ret) {
pr_err("pci client failed to map iova to 60K physical backing\n");
goto err;
@@ -408,7 +412,11 @@ pci_client_map_addr(void *pci_client_h,
if (WARN_ON(!ctx || !to_iova || !paddr || !size))
return -EINVAL;
+#if 1
+ return iommu_map(ctx->domain, to_iova, paddr, size, prot, GFP_KERNEL);
+#else
return iommu_map(ctx->domain, to_iova, paddr, size, prot);
+#endif
}
size_t
Index: nvidia-oot/drivers/misc/nvscic2c-pcie/epf/module.c
===================================================================
--- nvidia-oot/drivers/misc/nvscic2c-pcie/epf/module.c.orig
+++ nvidia-oot/drivers/misc/nvscic2c-pcie/epf/module.c
@@ -169,16 +169,6 @@ allocate_outbound_area(struct pci_epf *e
return ret;
}
-static void
-clear_inbound_translation(struct pci_epf *epf)
-{
- struct pci_epf_bar *epf_bar = &epf->bar[BAR_0];
-
- pci_epc_clear_bar(epf->epc, epf->func_no, PCIE_VFNO, epf_bar);
-
- /* no api to clear epf header.*/
-}
-
static int
set_inbound_translation(struct pci_epf *epf)
{
@@ -482,42 +472,6 @@ deinit_work(struct work_struct *work)
atomic_set(&drv_ctx->epf_ctx->epf_initialized, 0);
}
-/*
- * Graceful shutdown: PCIe subsystem calls struct pci_epc_event_ops.core_deinit
- * when @DRV_MODE_EPC .remove() or .shutdown() handlers are completed/exited.
- * Abnormal shutdown (when PCIe RP SoC - gets halted, or it's kernel oops):
- * PCIe subsystem also struct pci_epc_event_ops.core_deinit but
- * @DRV_MODE_EPC would have already gone then by the time
- * struct pci_epc_event_ops.core_deinit is called.
- */
-static int
-nvscic2c_pcie_epf_core_deinit(struct pci_epf *epf)
-{
- struct driver_ctx_t *drv_ctx = NULL;
-
- drv_ctx = epf_get_drvdata(epf);
- if (!drv_ctx)
- return -EINVAL;
-
- if (atomic_read(&drv_ctx->epf_ctx->core_initialized)) {
- /*
- * in case of PCIe RP SoC abnormal shutdown, comm-channel
- * shutdown message from @DRV_MODE_EPC won't come and
- * therefore scheduling the deinit work here is required
- * If its already scheduled, it won't be scheduled again.
- * Wait for deinit work to complete in either case.
- */
- schedule_work(&drv_ctx->epf_ctx->deinitialization_work);
- flush_work(&drv_ctx->epf_ctx->deinitialization_work);
-
- clear_inbound_translation(epf);
- atomic_set(&drv_ctx->epf_ctx->core_initialized, 0);
- }
- wake_up_interruptible_all(&drv_ctx->epf_ctx->core_initialized_waitq);
-
- return 0;
-}
-
/* Handle link message from @DRV_MODE_EPC. */
static void
link_msg_cb(void *data, void *ctx)
@@ -729,7 +683,6 @@ get_driverdata(const struct pci_epf_devi
static const struct pci_epc_event_ops nvscic2c_event_ops = {
.core_init = nvscic2c_pcie_epf_core_init,
- .core_deinit = nvscic2c_pcie_epf_core_deinit,
};
static int
Index: nvidia-oot/drivers/pci/endpoint/functions/pci-epf-dma-test.c
===================================================================
--- nvidia-oot/drivers/pci/endpoint/functions/pci-epf-dma-test.c.orig
+++ nvidia-oot/drivers/pci/endpoint/functions/pci-epf-dma-test.c
@@ -164,22 +164,6 @@ static int pcie_dma_epf_core_init(struct
return 0;
}
-static int pcie_dma_epf_core_deinit(struct pci_epf *epf)
-{
- struct pcie_epf_dma *epfnv = epf_get_drvdata(epf);
- void *cookie = epfnv->edma.cookie;
- struct pcie_epf_bar0 *epf_bar0 = (struct pcie_epf_bar0 *) epfnv->bar0_virt;
- struct pci_epc *epc = epf->epc;
- struct pci_epf_bar *epf_bar = &epf->bar[BAR_0];
-
- epfnv->edma.cookie = NULL;
- epf_bar0->rp_phy_addr = 0;
- tegra_pcie_edma_deinit(cookie);
- lpci_epc_clear_bar(epc, epf->func_no, epf_bar);
-
- return 0;
-}
-
static void pcie_dma_epf_unbind(struct pci_epf *epf)
{
struct pcie_epf_dma *epfnv = epf_get_drvdata(epf);
@@ -263,7 +247,6 @@ static const struct pci_epf_device_id pc
static const struct pci_epc_event_ops pci_epf_dma_test_event_ops = {
.core_init = pcie_dma_epf_core_init,
- .core_deinit = pcie_dma_epf_core_deinit,
};
#if defined(NV_PCI_EPF_DRIVER_STRUCT_PROBE_HAS_ID_ARG) /* Linux 6.4 */
Index: nvidia-oot/drivers/pci/endpoint/functions/pci-epf-tegra-vnet.c
===================================================================
--- nvidia-oot/drivers/pci/endpoint/functions/pci-epf-tegra-vnet.c.orig
+++ nvidia-oot/drivers/pci/endpoint/functions/pci-epf-tegra-vnet.c
@@ -1237,7 +1237,7 @@ static int tvnet_ep_pci_epf_setup_irqsp(
syncpt_addr = nvhost_interrupt_syncpt_get_syncpt_addr(ctrl_irqsp->is);
#endif
ret = iommu_map(domain, amap->iova, syncpt_addr, PAGE_SIZE,
- IOMMU_CACHE | IOMMU_READ | IOMMU_WRITE);
+ IOMMU_CACHE | IOMMU_READ | IOMMU_WRITE, GFP_KERNEL);
if (ret < 0) {
dev_err(fdev, "%s: iommu_map of ctrlsp mem failed: %d\n",
__func__, ret);
@@ -1256,7 +1256,7 @@ static int tvnet_ep_pci_epf_setup_irqsp(
syncpt_addr = nvhost_interrupt_syncpt_get_syncpt_addr(data_irqsp->is);
#endif
ret = iommu_map(domain, amap->iova + PAGE_SIZE, syncpt_addr, PAGE_SIZE,
- IOMMU_CACHE | IOMMU_READ | IOMMU_WRITE);
+ IOMMU_CACHE | IOMMU_READ | IOMMU_WRITE, GFP_KERNEL);
if (ret < 0) {
dev_err(fdev, "%s: iommu_map of datasp mem failed: %d\n",
__func__, ret);
@@ -1323,7 +1323,7 @@ static int tvnet_ep_alloc_single_page_ba
}
ret = iommu_map(domain, amap->iova, page_to_phys(amap->page), PAGE_SIZE,
- IOMMU_CACHE | IOMMU_READ | IOMMU_WRITE);
+ IOMMU_CACHE | IOMMU_READ | IOMMU_WRITE, GFP_KERNEL);
if (ret < 0) {
dev_err(tvnet->fdev, "%s: type: %d iommu_map(RAM) failed: %d\n",
__func__, type, ret);
@@ -1404,7 +1404,7 @@ static int tvnet_ep_alloc_multi_page_bar
}
ret = iommu_map(domain, amap->iova, page_to_phys(amap->page),
- amap->size, IOMMU_CACHE | IOMMU_READ | IOMMU_WRITE);
+ amap->size, IOMMU_CACHE | IOMMU_READ | IOMMU_WRITE, GFP_KERNEL);
if (ret < 0) {
dev_err(tvnet->fdev, "%s: iommu_map(RAM) failed: %d\n",
__func__, ret);
@@ -1585,25 +1585,8 @@ static void tvnet_ep_pci_epf_linkup(stru
#endif
#if (LINUX_VERSION_CODE > KERNEL_VERSION(5, 14, 0))
-static int tvnet_ep_pci_epf_core_deinit(struct pci_epf *epf)
-{
- struct pci_epf_bar *epf_bar = &epf->bar[BAR_0];
- struct pci_epf_tvnet *tvnet = epf_get_drvdata(epf);
- if (!tvnet)
- return -EINVAL;
-
- if (atomic_read(&tvnet->core_initialized)) {
- lpci_epc_clear_bar(epf->epc, epf->func_no, epf_bar);
- /* no api to clear epf header.*/
- atomic_set(&tvnet->core_initialized, 0);
- }
-
- return 0;
-}
-
static const struct pci_epc_event_ops tvnet_event_ops = {
.core_init = tvnet_ep_pci_epf_core_init,
- .core_deinit = tvnet_ep_pci_epf_core_deinit,
.link_up = tvnet_ep_pci_epf_linkup,
};
