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path: root/drivers/crypto/cavium/cpt/cptvf_reqmanager.c
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Diffstat (limited to 'drivers/crypto/cavium/cpt/cptvf_reqmanager.c')
-rw-r--r--drivers/crypto/cavium/cpt/cptvf_reqmanager.c36
1 files changed, 17 insertions, 19 deletions
diff --git a/drivers/crypto/cavium/cpt/cptvf_reqmanager.c b/drivers/crypto/cavium/cpt/cptvf_reqmanager.c
index 7a24019356b5..dc5fda522719 100644
--- a/drivers/crypto/cavium/cpt/cptvf_reqmanager.c
+++ b/drivers/crypto/cavium/cpt/cptvf_reqmanager.c
@@ -4,6 +4,7 @@
*/
#include "cptvf.h"
+#include "cptvf_algs.h"
#include "request_manager.h"
/**
@@ -133,7 +134,7 @@ static inline int setup_sgio_list(struct cpt_vf *cptvf,
/* Setup gather (input) components */
g_sz_bytes = ((req->incnt + 3) / 4) * sizeof(struct sglist_component);
- info->gather_components = kzalloc(g_sz_bytes, GFP_KERNEL);
+ info->gather_components = kzalloc(g_sz_bytes, req->may_sleep ? GFP_KERNEL : GFP_ATOMIC);
if (!info->gather_components) {
ret = -ENOMEM;
goto scatter_gather_clean;
@@ -150,7 +151,7 @@ static inline int setup_sgio_list(struct cpt_vf *cptvf,
/* Setup scatter (output) components */
s_sz_bytes = ((req->outcnt + 3) / 4) * sizeof(struct sglist_component);
- info->scatter_components = kzalloc(s_sz_bytes, GFP_KERNEL);
+ info->scatter_components = kzalloc(s_sz_bytes, req->may_sleep ? GFP_KERNEL : GFP_ATOMIC);
if (!info->scatter_components) {
ret = -ENOMEM;
goto scatter_gather_clean;
@@ -167,17 +168,16 @@ static inline int setup_sgio_list(struct cpt_vf *cptvf,
/* Create and initialize DPTR */
info->dlen = g_sz_bytes + s_sz_bytes + SG_LIST_HDR_SIZE;
- info->in_buffer = kzalloc(info->dlen, GFP_KERNEL);
+ info->in_buffer = kzalloc(info->dlen, req->may_sleep ? GFP_KERNEL : GFP_ATOMIC);
if (!info->in_buffer) {
ret = -ENOMEM;
goto scatter_gather_clean;
}
- ((u16 *)info->in_buffer)[0] = req->outcnt;
- ((u16 *)info->in_buffer)[1] = req->incnt;
- ((u16 *)info->in_buffer)[2] = 0;
- ((u16 *)info->in_buffer)[3] = 0;
- *(u64 *)info->in_buffer = cpu_to_be64p((u64 *)info->in_buffer);
+ ((__be16 *)info->in_buffer)[0] = cpu_to_be16(req->outcnt);
+ ((__be16 *)info->in_buffer)[1] = cpu_to_be16(req->incnt);
+ ((__be16 *)info->in_buffer)[2] = 0;
+ ((__be16 *)info->in_buffer)[3] = 0;
memcpy(&info->in_buffer[8], info->gather_components,
g_sz_bytes);
@@ -195,7 +195,7 @@ static inline int setup_sgio_list(struct cpt_vf *cptvf,
}
/* Create and initialize RPTR */
- info->out_buffer = kzalloc(COMPLETION_CODE_SIZE, GFP_KERNEL);
+ info->out_buffer = kzalloc(COMPLETION_CODE_SIZE, req->may_sleep ? GFP_KERNEL : GFP_ATOMIC);
if (!info->out_buffer) {
ret = -ENOMEM;
goto scatter_gather_clean;
@@ -305,12 +305,12 @@ static void do_request_cleanup(struct cpt_vf *cptvf,
}
}
- kzfree(info->scatter_components);
- kzfree(info->gather_components);
- kzfree(info->out_buffer);
- kzfree(info->in_buffer);
- kzfree((void *)info->completion_addr);
- kzfree(info);
+ kfree_sensitive(info->scatter_components);
+ kfree_sensitive(info->gather_components);
+ kfree_sensitive(info->out_buffer);
+ kfree_sensitive(info->in_buffer);
+ kfree_sensitive((void *)info->completion_addr);
+ kfree_sensitive(info);
}
static void do_post_process(struct cpt_vf *cptvf, struct cpt_info_buffer *info)
@@ -421,7 +421,7 @@ int process_request(struct cpt_vf *cptvf, struct cpt_request_info *req)
struct cpt_vq_command vq_cmd;
union cpt_inst_s cptinst;
- info = kzalloc(sizeof(*info), GFP_KERNEL);
+ info = kzalloc(sizeof(*info), req->may_sleep ? GFP_KERNEL : GFP_ATOMIC);
if (unlikely(!info)) {
dev_err(&pdev->dev, "Unable to allocate memory for info_buffer\n");
return -ENOMEM;
@@ -443,7 +443,7 @@ int process_request(struct cpt_vf *cptvf, struct cpt_request_info *req)
* Get buffer for union cpt_res_s response
* structure and its physical address
*/
- info->completion_addr = kzalloc(sizeof(union cpt_res_s), GFP_KERNEL);
+ info->completion_addr = kzalloc(sizeof(union cpt_res_s), req->may_sleep ? GFP_KERNEL : GFP_ATOMIC);
if (unlikely(!info->completion_addr)) {
dev_err(&pdev->dev, "Unable to allocate memory for completion_addr\n");
ret = -ENOMEM;
@@ -470,8 +470,6 @@ int process_request(struct cpt_vf *cptvf, struct cpt_request_info *req)
vq_cmd.cmd.s.param2 = cpu_to_be16(cpt_req->param2);
vq_cmd.cmd.s.dlen = cpu_to_be16(cpt_req->dlen);
- /* 64-bit swap for microcode data reads, not needed for addresses*/
- vq_cmd.cmd.u64 = cpu_to_be64(vq_cmd.cmd.u64);
vq_cmd.dptr = info->dptr_baddr;
vq_cmd.rptr = info->rptr_baddr;
vq_cmd.cptr.u64 = 0;