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gpu: nvgpu: vgpu: add clear single SM error state

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Add support for clearing single SM error state for CUDA debugger.
In addition to clearing local copy of SM error state,
vgpu_gr_clear_sm_error_state now sends a command to RM server
(TEGRA_VGPU_CMD_CLEAR_SM_ERROR_STATE), to clear global ESR and
warp ESR.

Bug 1791111

Change-Id: I3a1f0644787fd900ec59a0e7974037d46a603487
Signed-off-by: Thomas Fleury <tfleury@nvidia.com>
Reviewed-on: http://git-master/r/1296311
(cherry picked from commit fd07e03c3d086f396e4d65575c576a4dd68c920a)
Reviewed-on: http://git-master/r/1299060
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Cory Perry <cperry@nvidia.com>
Tested-by: Cory Perry <cperry@nvidia.com>
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
This commit is contained in:
Thomas Fleury
2017-01-30 17:48:02 -08:00
committed by mobile promotions
parent 6c35cebdcb
commit 2caea7576a
2 changed files with 26 additions and 4 deletions
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23
drivers/gpu/nvgpu/vgpu/gr_vgpu.c
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@@ -1077,11 +1077,26 @@ static int vgpu_gr_clear_sm_error_state(struct gk20a *g,
struct channel_gk20a *ch, u32 sm_id)
{
struct gr_gk20a *gr = &g->gr;
struct tegra_vgpu_cmd_msg msg;
struct tegra_vgpu_clear_sm_error_state *p =
&msg.params.clear_sm_error_state;
int err;
nvgpu_mutex_acquire(&g->dbg_sessions_lock);
msg.cmd = TEGRA_VGPU_CMD_CLEAR_SM_ERROR_STATE;
msg.handle = vgpu_get_handle(g);
p->handle = ch->virt_ctx;
p->sm_id = sm_id;
err = vgpu_comm_sendrecv(&msg, sizeof(msg), sizeof(msg));
WARN_ON(err || msg.ret);
memset(&gr->sm_error_states[sm_id], 0, sizeof(*gr->sm_error_states));
nvgpu_mutex_release(&g->dbg_sessions_lock);
return err ? err : msg.ret;
return 0;
}
@@ -1099,8 +1114,8 @@ static int vgpu_gr_suspend_resume_contexts(struct gk20a *g,
int channel_fd = -1;
int err = 0;
mutex_lock(&g->dbg_sessions_lock);
mutex_lock(&dbg_s->ch_list_lock);
nvgpu_mutex_acquire(&g->dbg_sessions_lock);
nvgpu_mutex_acquire(&dbg_s->ch_list_lock);
n = 0;
list_for_each_entry(ch_data, &dbg_s->ch_list, ch_entry)
@@ -1137,8 +1152,8 @@ static int vgpu_gr_suspend_resume_contexts(struct gk20a *g,
}
fail:
mutex_unlock(&dbg_s->ch_list_lock);
mutex_unlock(&g->dbg_sessions_lock);
nvgpu_mutex_release(&dbg_s->ch_list_lock);
nvgpu_mutex_release(&g->dbg_sessions_lock);
*ctx_resident_ch_fd = channel_fd;
kfree(msg);