You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
62 lines
2.0 KiB
62 lines
2.0 KiB
6 years ago
|
From 068cfca9e8c54902c45b8c35b49191c766d346c9 Mon Sep 17 00:00:00 2001
|
||
|
|
From: Sugizaki Yukimasa <i.can.speak.c.and.basic@gmail.com>
|
||
|
|
Date: Wed, 10 Jan 2018 04:32:20 +0900
|
||
|
|
Subject: [PATCH 155/454] vcsm: Add no-op cache operation constant
|
||
|
|
|
||
|
|
Signed-off-by: Sugizaki Yukimasa <i.can.speak.c.and.basic@gmail.com>
|
||
|
|
---
|
||
|
|
drivers/char/broadcom/vc_sm/vmcs_sm.c | 10 ++++++++++
|
||
|
|
include/linux/broadcom/vmcs_sm_ioctl.h | 1 +
|
||
|
|
2 files changed, 11 insertions(+)
|
||
|
|
|
||
|
|
--- a/drivers/char/broadcom/vc_sm/vmcs_sm.c
|
||
|
|
+++ b/drivers/char/broadcom/vc_sm/vmcs_sm.c
|
||
|
|
@@ -1269,6 +1269,8 @@ static int clean_invalid_mem_2d(const vo
|
||
|
|
}
|
||
|
|
|
||
|
|
switch (cache_op) {
|
||
|
|
+ case VCSM_CACHE_OP_NOP:
|
||
|
|
+ return 0;
|
||
|
|
case VCSM_CACHE_OP_INV:
|
||
|
|
op_fn = dmac_inv_range;
|
||
|
|
break;
|
||
|
|
@@ -1312,6 +1314,8 @@ static int clean_invalid_resource(const
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
switch (cache_op) {
|
||
|
|
+ case VCSM_CACHE_OP_NOP:
|
||
|
|
+ return 0;
|
||
|
|
case VCSM_CACHE_OP_INV:
|
||
|
|
stat_attempt = INVALID;
|
||
|
|
stat_failure = INVALID_FAIL;
|
||
|
|
@@ -2936,6 +2940,9 @@ static long vc_sm_ioctl(struct file *fil
|
||
|
|
goto out;
|
||
|
|
}
|
||
|
|
for (i = 0; i < sizeof(ioparam.s) / sizeof(*ioparam.s); i++) {
|
||
|
|
+ if (ioparam.s[i].cmd == VCSM_CACHE_OP_NOP)
|
||
|
|
+ break;
|
||
|
|
+
|
||
|
|
/* Locate resource from GUID. */
|
||
|
|
resource =
|
||
|
|
vmcs_sm_acquire_resource(file_data, ioparam.s[i].handle);
|
||
|
|
@@ -2989,6 +2996,9 @@ static long vc_sm_ioctl(struct file *fil
|
||
|
|
ret = clean_invalid_mem_2d((void __user*) op->start_address,
|
||
|
|
op->block_count, op->block_size,
|
||
|
|
op->inter_block_stride, op->invalidate_mode);
|
||
|
|
+ if (op->invalidate_mode == VCSM_CACHE_OP_NOP)
|
||
|
|
+ continue;
|
||
|
|
+
|
||
|
|
if (ret)
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
--- a/include/linux/broadcom/vmcs_sm_ioctl.h
|
||
|
|
+++ b/include/linux/broadcom/vmcs_sm_ioctl.h
|
||
|
|
@@ -172,6 +172,7 @@ struct vmcs_sm_ioctl_cache {
|
||
|
|
* Cache functions to be set to struct vmcs_sm_ioctl_clean_invalid cmd and
|
||
|
|
* vmcs_sm_ioctl_clean_invalid2 invalidate_mode.
|
||
|
|
*/
|
||
|
|
+#define VCSM_CACHE_OP_NOP 0x00
|
||
|
|
#define VCSM_CACHE_OP_INV 0x01
|
||
|
|
#define VCSM_CACHE_OP_CLEAN 0x02
|
||
|
|
#define VCSM_CACHE_OP_FLUSH 0x03
|