From: Vinayak Holikatti <[email protected]>
Move the code of calculation of sanitize duration into function
for usability by other sanitize routines
Estimate times based on:
https://pmem.io/documents/NVDIMM_DSM_Interface-V1.8.pdf
Signed-off-by: Davidlohr Bueso <[email protected]>
Signed-off-by: Vinayak Holikatti <[email protected]>
Signed-off-by: Jonathan Cameron <[email protected]>
Message-Id: <[email protected]>
Reviewed-by: Michael S. Tsirkin <[email protected]>
Signed-off-by: Michael S. Tsirkin <[email protected]>
---
hw/cxl/cxl-mailbox-utils.c | 63 ++++++++++++++++++++++----------------
1 file changed, 36 insertions(+), 27 deletions(-)
diff --git a/hw/cxl/cxl-mailbox-utils.c b/hw/cxl/cxl-mailbox-utils.c
index 79b35d1405..9f9d475678 100644
--- a/hw/cxl/cxl-mailbox-utils.c
+++ b/hw/cxl/cxl-mailbox-utils.c
@@ -1640,6 +1640,41 @@ static void __do_sanitization(CXLType3Dev *ct3d)
cxl_discard_all_event_records(&ct3d->cxl_dstate);
}
+static int get_sanitize_duration(uint64_t total_mem)
+{
+ int secs = 0;
+
+ if (total_mem <= 512) {
+ secs = 4;
+ } else if (total_mem <= 1024) {
+ secs = 8;
+ } else if (total_mem <= 2 * 1024) {
+ secs = 15;
+ } else if (total_mem <= 4 * 1024) {
+ secs = 30;
+ } else if (total_mem <= 8 * 1024) {
+ secs = 60;
+ } else if (total_mem <= 16 * 1024) {
+ secs = 2 * 60;
+ } else if (total_mem <= 32 * 1024) {
+ secs = 4 * 60;
+ } else if (total_mem <= 64 * 1024) {
+ secs = 8 * 60;
+ } else if (total_mem <= 128 * 1024) {
+ secs = 15 * 60;
+ } else if (total_mem <= 256 * 1024) {
+ secs = 30 * 60;
+ } else if (total_mem <= 512 * 1024) {
+ secs = 60 * 60;
+ } else if (total_mem <= 1024 * 1024) {
+ secs = 120 * 60;
+ } else {
+ secs = 240 * 60; /* max 4 hrs */
+ }
+
+ return secs;
+}
+
/*
* CXL r3.1 Section 8.2.9.9.5.1: Sanitize (Opcode 4400h)
*
@@ -1668,33 +1703,7 @@ static CXLRetCode cmd_sanitize_overwrite(const struct
cxl_cmd *cmd,
int secs;
total_mem = (ct3d->cxl_dstate.vmem_size + ct3d->cxl_dstate.pmem_size) >>
20;
- if (total_mem <= 512) {
- secs = 4;
- } else if (total_mem <= 1024) {
- secs = 8;
- } else if (total_mem <= 2 * 1024) {
- secs = 15;
- } else if (total_mem <= 4 * 1024) {
- secs = 30;
- } else if (total_mem <= 8 * 1024) {
- secs = 60;
- } else if (total_mem <= 16 * 1024) {
- secs = 2 * 60;
- } else if (total_mem <= 32 * 1024) {
- secs = 4 * 60;
- } else if (total_mem <= 64 * 1024) {
- secs = 8 * 60;
- } else if (total_mem <= 128 * 1024) {
- secs = 15 * 60;
- } else if (total_mem <= 256 * 1024) {
- secs = 30 * 60;
- } else if (total_mem <= 512 * 1024) {
- secs = 60 * 60;
- } else if (total_mem <= 1024 * 1024) {
- secs = 120 * 60;
- } else {
- secs = 240 * 60; /* max 4 hrs */
- }
+ secs = get_sanitize_duration(total_mem);
/* EBUSY other bg cmds as of now */
cci->bg.runtime = secs * 1000UL;
--
MST
