qed: Remove unused qed_calc_*_ctx_validation functions

qed_calc_session_ctx_validation() and qed_calc_task_ctx_validation()
were added as part of 2017's
commit da09091732 ("qed*: Utilize FW 8.33.1.0")

but have remained unused.

Remove them.

This leaves; con_region_offsets[], task_region_offsets[],
cdu_crc8_table and qed_calc_cdu_validation_byte() unused.

Remove them.

Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Link: https://patch.msgid.link/20250414005247.341243-3-linux@treblig.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Dr. David Alan Gilbert 2025-04-14 01:52:44 +01:00 committed by Jakub Kicinski
parent e056d3d703
commit fa381e21a9
2 changed files with 0 additions and 128 deletions

View File

@ -2666,34 +2666,6 @@ void qed_gft_config(struct qed_hwfn *p_hwfn,
void qed_enable_context_validation(struct qed_hwfn *p_hwfn,
struct qed_ptt *p_ptt);
/**
* qed_calc_session_ctx_validation(): Calcualte validation byte for
* session context.
*
* @p_ctx_mem: Pointer to context memory.
* @ctx_size: Context size.
* @ctx_type: Context type.
* @cid: Context cid.
*
* Return: Void.
*/
void qed_calc_session_ctx_validation(void *p_ctx_mem,
u16 ctx_size, u8 ctx_type, u32 cid);
/**
* qed_calc_task_ctx_validation(): Calcualte validation byte for task
* context.
*
* @p_ctx_mem: Pointer to context memory.
* @ctx_size: Context size.
* @ctx_type: Context type.
* @tid: Context tid.
*
* Return: Void.
*/
void qed_calc_task_ctx_validation(void *p_ctx_mem,
u16 ctx_size, u8 ctx_type, u32 tid);
#define NUM_STORMS 6
/**

View File

@ -18,16 +18,6 @@
#define CDU_VALIDATION_DEFAULT_CFG CDU_CONTEXT_VALIDATION_DEFAULT_CFG
static u16 con_region_offsets[3][NUM_OF_CONNECTION_TYPES] = {
{400, 336, 352, 368, 304, 384, 416, 352}, /* region 3 offsets */
{528, 496, 416, 512, 448, 512, 544, 480}, /* region 4 offsets */
{608, 544, 496, 576, 576, 592, 624, 560} /* region 5 offsets */
};
static u16 task_region_offsets[1][NUM_OF_CONNECTION_TYPES] = {
{240, 240, 112, 0, 0, 0, 0, 96} /* region 1 offsets */
};
/* General constants */
#define QM_PQ_MEM_4KB(pq_size) (pq_size ? DIV_ROUND_UP((pq_size + 1) * \
QM_PQ_ELEMENT_SIZE, \
@ -1576,96 +1566,6 @@ void qed_gft_config(struct qed_hwfn *p_hwfn,
qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_GFT, 1);
}
DECLARE_CRC8_TABLE(cdu_crc8_table);
/* Calculate and return CDU validation byte per connection type/region/cid */
static u8 qed_calc_cdu_validation_byte(u8 conn_type, u8 region, u32 cid)
{
const u8 validation_cfg = CDU_VALIDATION_DEFAULT_CFG;
u8 crc, validation_byte = 0;
static u8 crc8_table_valid; /* automatically initialized to 0 */
u32 validation_string = 0;
__be32 data_to_crc;
if (!crc8_table_valid) {
crc8_populate_msb(cdu_crc8_table, 0x07);
crc8_table_valid = 1;
}
/* The CRC is calculated on the String-to-compress:
* [31:8] = {CID[31:20],CID[11:0]}
* [7:4] = Region
* [3:0] = Type
*/
if ((validation_cfg >> CDU_CONTEXT_VALIDATION_CFG_USE_CID) & 1)
validation_string |= (cid & 0xFFF00000) | ((cid & 0xFFF) << 8);
if ((validation_cfg >> CDU_CONTEXT_VALIDATION_CFG_USE_REGION) & 1)
validation_string |= ((region & 0xF) << 4);
if ((validation_cfg >> CDU_CONTEXT_VALIDATION_CFG_USE_TYPE) & 1)
validation_string |= (conn_type & 0xF);
/* Convert to big-endian and calculate CRC8 */
data_to_crc = cpu_to_be32(validation_string);
crc = crc8(cdu_crc8_table, (u8 *)&data_to_crc, sizeof(data_to_crc),
CRC8_INIT_VALUE);
/* The validation byte [7:0] is composed:
* for type A validation
* [7] = active configuration bit
* [6:0] = crc[6:0]
*
* for type B validation
* [7] = active configuration bit
* [6:3] = connection_type[3:0]
* [2:0] = crc[2:0]
*/
validation_byte |=
((validation_cfg >>
CDU_CONTEXT_VALIDATION_CFG_USE_ACTIVE) & 1) << 7;
if ((validation_cfg >>
CDU_CONTEXT_VALIDATION_CFG_VALIDATION_TYPE_SHIFT) & 1)
validation_byte |= ((conn_type & 0xF) << 3) | (crc & 0x7);
else
validation_byte |= crc & 0x7F;
return validation_byte;
}
/* Calcualte and set validation bytes for session context */
void qed_calc_session_ctx_validation(void *p_ctx_mem,
u16 ctx_size, u8 ctx_type, u32 cid)
{
u8 *x_val_ptr, *t_val_ptr, *u_val_ptr, *p_ctx;
p_ctx = (u8 * const)p_ctx_mem;
x_val_ptr = &p_ctx[con_region_offsets[0][ctx_type]];
t_val_ptr = &p_ctx[con_region_offsets[1][ctx_type]];
u_val_ptr = &p_ctx[con_region_offsets[2][ctx_type]];
memset(p_ctx, 0, ctx_size);
*x_val_ptr = qed_calc_cdu_validation_byte(ctx_type, 3, cid);
*t_val_ptr = qed_calc_cdu_validation_byte(ctx_type, 4, cid);
*u_val_ptr = qed_calc_cdu_validation_byte(ctx_type, 5, cid);
}
/* Calcualte and set validation bytes for task context */
void qed_calc_task_ctx_validation(void *p_ctx_mem,
u16 ctx_size, u8 ctx_type, u32 tid)
{
u8 *p_ctx, *region1_val_ptr;
p_ctx = (u8 * const)p_ctx_mem;
region1_val_ptr = &p_ctx[task_region_offsets[0][ctx_type]];
memset(p_ctx, 0, ctx_size);
*region1_val_ptr = qed_calc_cdu_validation_byte(ctx_type, 1, tid);
}
/* Enable and configure context validation */
void qed_enable_context_validation(struct qed_hwfn *p_hwfn,
struct qed_ptt *p_ptt)