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hv: port tegra hypervisor driver on noble kernel

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Bug 4377196

Change-Id: Idecaac1915c444fe04c40f0e848e36bd3f90b78f
Signed-off-by: Manish Bhardwaj <mbhardwaj@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3018492
(cherry picked from commit 912dda68d1)
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3059277
Tested-by: Jonathan Hunter <jonathanh@nvidia.com>
Reviewed-by: Jonathan Hunter <jonathanh@nvidia.com>
Reviewed-by: Laxman Dewangan <ldewangan@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
This commit is contained in:
Manish Bhardwaj
2023-11-18 15:37:37 +00:00
committed by mobile promotions
parent d1c969184b
commit e997e8ae5a
1 changed files with 23 additions and 0 deletions
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23
drivers/virt/tegra/tegra_hv.c
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@@ -216,7 +216,11 @@ static int tegra_hv_add_ivc(struct tegra_hv_data *hvd,
struct hv_ivc *ivc;
int ret;
int rx_first;
#if defined(NV_TEGRA_IVC_STRUCT_HAS_IOSYS_MAP)
struct iosys_map rx_map, tx_map;
#else
uintptr_t rx_base, tx_base;
#endif
uint32_t i;
struct irq_data *d;
uint64_t va_offset;
@@ -264,6 +268,17 @@ static int tegra_hv_add_ivc(struct tegra_hv_data *hvd,
BUG_ON(qd->offset >= ivc->givci->length);
BUG_ON(qd->offset + qd->size * 2 > ivc->givci->length);
#if defined(NV_TEGRA_IVC_STRUCT_HAS_IOSYS_MAP)
rx_map.is_iomem = false;
tx_map.is_iomem = false;
if (rx_first) {
rx_map.vaddr = (void *)ivc->givci->shmem + qd->offset;
tx_map.vaddr = (void *)ivc->givci->shmem + qd->offset + qd->size;
} else {
tx_map.vaddr = (void *)ivc->givci->shmem + qd->offset;
rx_map.vaddr = (void *)ivc->givci->shmem + qd->offset + qd->size;
}
#else
if (rx_first) {
rx_base = ivc->givci->shmem + qd->offset;
tx_base = ivc->givci->shmem + qd->offset + qd->size;
@@ -271,6 +286,7 @@ static int tegra_hv_add_ivc(struct tegra_hv_data *hvd,
tx_base = ivc->givci->shmem + qd->offset;
rx_base = ivc->givci->shmem + qd->offset + qd->size;
}
#endif
ret = snprintf(ivc->name, sizeof(ivc->name), "ivc%u", qd->id);
if (ret < 0) {
@@ -316,10 +332,17 @@ static int tegra_hv_add_ivc(struct tegra_hv_data *hvd,
return -EINVAL;
}
#if defined(NV_TEGRA_IVC_STRUCT_HAS_IOSYS_MAP)
INFO("adding ivc%u: rx_base=%lx tx_base = %lx size=%x irq = %d (%lu)\n",
qd->id, (uintptr_t)rx_map.vaddr, (uintptr_t)tx_map.vaddr, qd->size, ivc->irq, d->hwirq);
ret = tegra_ivc_init(&ivc->ivc, NULL, &rx_map, 0, &tx_map, 0, qd->nframes,
qd->frame_size, ivc_raise_irq, ivc);
#else
INFO("adding ivc%u: rx_base=%lx tx_base = %lx size=%x irq = %d (%lu)\n",
qd->id, rx_base, tx_base, qd->size, ivc->irq, d->hwirq);
ret = tegra_ivc_init(&ivc->ivc, NULL, (void *)rx_base, 0, (void *)tx_base, 0, qd->nframes,
qd->frame_size, ivc_raise_irq, ivc);
#endif
if (ret != 0) {
ERR("failed to init ivc queue #%u\n", qd->id);
return ret;