Files
linux-nvgpu/drivers/gpu/nvgpu/common/cic/nvgpu_next_cic.c
Sagar Kadamati 3e43f92f21 gpu: nvgpu: add ga10b & ga100 sources
Mass copy ga10b & ga100 sources from nvgpu-next repo.
TOP COMMIT-ID: 98f530e6924c844a1bf46816933a7fe015f3cce1

Jira NVGPU-4771

Change-Id: Ibf7102e9208133f8ef3bd3a98381138d5396d831
Signed-off-by: Sagar Kadamati <skadamati@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2524817
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: svc_kernel_abi <svc_kernel_abi@nvidia.com>
Reviewed-by: Debarshi Dutta <ddutta@nvidia.com>
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
2021-06-17 12:56:16 -07:00

93 lines
2.9 KiB
C

/*
*
* Copyright (c) 2021, NVIDIA CORPORATION. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#include <nvgpu/gk20a.h>
#include <nvgpu/lock.h>
#include <nvgpu/cic.h>
void nvgpu_cic_intr_unit_vectorid_init(struct gk20a *g, u32 unit, u32 *vectorid,
u32 num_entries)
{
unsigned long flags = 0;
u32 i = 0U;
struct nvgpu_intr_unit_info *intr_unit_info;
nvgpu_assert(num_entries <= NVGPU_CIC_INTR_VECTORID_SIZE_MAX);
nvgpu_log(g, gpu_dbg_intr, "UNIT=%d, nvecs=%d", unit, num_entries);
intr_unit_info = g->mc.nvgpu_next.intr_unit_info;
nvgpu_spinlock_irqsave(&g->mc.intr_lock, flags);
if (intr_unit_info[unit].valid == false) {
for (i = 0U; i < num_entries; i++) {
nvgpu_log(g, gpu_dbg_intr, " vec[%d] = %d", i,
*(vectorid + i));
intr_unit_info[unit].vectorid[i] = *(vectorid + i);
}
intr_unit_info[unit].vectorid_size = num_entries;
}
nvgpu_spinunlock_irqrestore(&g->mc.intr_lock, flags);
}
bool nvgpu_cic_intr_is_unit_info_valid(struct gk20a *g, u32 unit)
{
struct nvgpu_intr_unit_info *intr_unit_info;
bool info_valid = false;
if (unit >= NVGPU_CIC_INTR_UNIT_MAX) {
nvgpu_err(g, "invalid unit(%d)", unit);
return false;
}
intr_unit_info = g->mc.nvgpu_next.intr_unit_info;
if (intr_unit_info[unit].valid == true) {
info_valid = true;
}
return info_valid;
}
bool nvgpu_cic_intr_get_unit_info(struct gk20a *g, u32 unit, u32 *subtree,
u64 *subtree_mask)
{
if (unit >= NVGPU_CIC_INTR_UNIT_MAX) {
nvgpu_err(g, "invalid unit(%d)", unit);
return false;
}
if (nvgpu_cic_intr_is_unit_info_valid(g, unit) != true) {
if (g->ops.mc.intr_get_unit_info(g, unit) != true) {
nvgpu_err(g, "failed to fetch info for unit(%d)", unit);
return false;
}
}
*subtree = g->mc.nvgpu_next.intr_unit_info[unit].subtree;
*subtree_mask = g->mc.nvgpu_next.intr_unit_info[unit].subtree_mask;
nvgpu_log(g, gpu_dbg_intr, "subtree(%d) subtree_mask(%llx)",
*subtree, *subtree_mask);
return true;
}