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crypto: tegra: Use separate buffer for each host1x command

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Allocate separate buffer for each host1x command. The single buffer used
for host1x commands can get corrupted when independent crypto operations
overlap.

Bug 4883011

Signed-off-by: Akhil R <akhilrajeev@nvidia.com>
Change-Id: I43029364c8e65e5014a5b7068cb45225c039aaf8
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3251597
Reviewed-by: Laxman Dewangan <ldewangan@nvidia.com>
GVS: buildbot_gerritrpt <buildbot_gerritrpt@nvidia.com>
This commit is contained in:
Akhil R
2024-11-14 18:58:30 +05:30
committed by Jon Hunter
parent adaf80c7df
commit a49c68b4e2
6 changed files with 140 additions and 77 deletions
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24
drivers/crypto/tegra/tegra-se-key.c
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@@ -177,22 +177,22 @@ static int tegra_key_insert(struct tegra_se *se, const u8 *key,
u32 keylen, u16 slot, u32 alg)
{
const u32 *keyval = (u32 *)key;
u32 *addr = se->cmdbuf->addr, size;
u32 cmdbuf[100], size;
size = tegra_key_prep_ins_cmd(se, addr, keyval, keylen, slot, alg);
size = tegra_key_prep_ins_cmd(se, cmdbuf, keyval, keylen, slot, alg);
return tegra_se_host1x_submit(se, size);
return tegra_se_host1x_submit(se, cmdbuf, size);
}
static int tegra_key_move_to_kds(struct tegra_se *se, u32 slot, u32 kds_id)
{
u32 src_keyid, size;
u32 src_keyid, size, cmdbuf[100];
int ret;
src_keyid = SE_KSLT_REGION_ID_SYM | slot;
size = tegra_key_prep_mov_cmd(se, se->cmdbuf->addr, src_keyid, kds_id);
size = tegra_key_prep_mov_cmd(se, cmdbuf, src_keyid, kds_id);
ret = tegra_se_host1x_submit(se, size);
ret = tegra_se_host1x_submit(se, cmdbuf, size);
if (ret)
return ret;
@@ -201,13 +201,13 @@ static int tegra_key_move_to_kds(struct tegra_se *se, u32 slot, u32 kds_id)
static unsigned int tegra_kac_get_from_kds(struct tegra_se *se, u32 keyid, u16 slot)
{
u32 tgt_keyid, size;
u32 tgt_keyid, size, cmdbuf[100];
int ret;
tgt_keyid = SE_KSLT_REGION_ID_SYM | slot;
size = tegra_key_prep_mov_cmd(se, se->cmdbuf->addr, keyid, tgt_keyid);
size = tegra_key_prep_mov_cmd(se, cmdbuf, keyid, tgt_keyid);
ret = tegra_se_host1x_submit(se, size);
ret = tegra_se_host1x_submit(se, cmdbuf, size);
if (ret)
tegra_keyslot_free(slot);
@@ -216,10 +216,10 @@ static unsigned int tegra_kac_get_from_kds(struct tegra_se *se, u32 keyid, u16 s
static void tegra_key_kds_invalidate(struct tegra_se *se, u32 keyid)
{
unsigned int size;
unsigned int size, cmdbuf[100];
size = tegra_key_prep_invld_cmd(se, se->cmdbuf->addr, keyid);
tegra_se_host1x_submit(se, size);
size = tegra_key_prep_invld_cmd(se, cmdbuf, keyid);
tegra_se_host1x_submit(se, cmdbuf, size);
tegra_kds_free_id(keyid);
}