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path: root/drivers/net/ethernet/qlogic/qed/qed_hw.c
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Diffstat (limited to 'drivers/net/ethernet/qlogic/qed/qed_hw.c')
-rw-r--r--drivers/net/ethernet/qlogic/qed/qed_hw.c137
1 files changed, 53 insertions, 84 deletions
diff --git a/drivers/net/ethernet/qlogic/qed/qed_hw.c b/drivers/net/ethernet/qlogic/qed/qed_hw.c
index e17885321faf..8ebdc79b3850 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_hw.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_hw.c
@@ -44,8 +44,7 @@ struct qed_ptt_pool {
int qed_ptt_pool_alloc(struct qed_hwfn *p_hwfn)
{
- struct qed_ptt_pool *p_pool = kmalloc(sizeof(*p_pool),
- GFP_KERNEL);
+ struct qed_ptt_pool *p_pool = kmalloc(sizeof(*p_pool), GFP_KERNEL);
int i;
if (!p_pool)
@@ -113,16 +112,14 @@ struct qed_ptt *qed_ptt_acquire(struct qed_hwfn *p_hwfn)
return NULL;
}
-void qed_ptt_release(struct qed_hwfn *p_hwfn,
- struct qed_ptt *p_ptt)
+void qed_ptt_release(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
{
spin_lock_bh(&p_hwfn->p_ptt_pool->lock);
list_add(&p_ptt->list_entry, &p_hwfn->p_ptt_pool->free_list);
spin_unlock_bh(&p_hwfn->p_ptt_pool->lock);
}
-u32 qed_ptt_get_hw_addr(struct qed_hwfn *p_hwfn,
- struct qed_ptt *p_ptt)
+u32 qed_ptt_get_hw_addr(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
{
/* The HW is using DWORDS and we need to translate it to Bytes */
return le32_to_cpu(p_ptt->pxp.offset) << 2;
@@ -141,8 +138,7 @@ u32 qed_ptt_get_bar_addr(struct qed_ptt *p_ptt)
}
void qed_ptt_set_win(struct qed_hwfn *p_hwfn,
- struct qed_ptt *p_ptt,
- u32 new_hw_addr)
+ struct qed_ptt *p_ptt, u32 new_hw_addr)
{
u32 prev_hw_addr;
@@ -166,8 +162,7 @@ void qed_ptt_set_win(struct qed_hwfn *p_hwfn,
}
static u32 qed_set_ptt(struct qed_hwfn *p_hwfn,
- struct qed_ptt *p_ptt,
- u32 hw_addr)
+ struct qed_ptt *p_ptt, u32 hw_addr)
{
u32 win_hw_addr = qed_ptt_get_hw_addr(p_hwfn, p_ptt);
u32 offset;
@@ -224,10 +219,7 @@ u32 qed_rd(struct qed_hwfn *p_hwfn,
static void qed_memcpy_hw(struct qed_hwfn *p_hwfn,
struct qed_ptt *p_ptt,
- void *addr,
- u32 hw_addr,
- size_t n,
- bool to_device)
+ void *addr, u32 hw_addr, size_t n, bool to_device)
{
u32 dw_count, *host_addr, hw_offset;
size_t quota, done = 0;
@@ -259,8 +251,7 @@ static void qed_memcpy_hw(struct qed_hwfn *p_hwfn,
}
void qed_memcpy_from(struct qed_hwfn *p_hwfn,
- struct qed_ptt *p_ptt,
- void *dest, u32 hw_addr, size_t n)
+ struct qed_ptt *p_ptt, void *dest, u32 hw_addr, size_t n)
{
DP_VERBOSE(p_hwfn, NETIF_MSG_HW,
"hw_addr 0x%x, dest %p hw_addr 0x%x, size %lu\n",
@@ -270,8 +261,7 @@ void qed_memcpy_from(struct qed_hwfn *p_hwfn,
}
void qed_memcpy_to(struct qed_hwfn *p_hwfn,
- struct qed_ptt *p_ptt,
- u32 hw_addr, void *src, size_t n)
+ struct qed_ptt *p_ptt, u32 hw_addr, void *src, size_t n)
{
DP_VERBOSE(p_hwfn, NETIF_MSG_HW,
"hw_addr 0x%x, hw_addr 0x%x, src %p size %lu\n",
@@ -280,9 +270,7 @@ void qed_memcpy_to(struct qed_hwfn *p_hwfn,
qed_memcpy_hw(p_hwfn, p_ptt, src, hw_addr, n, true);
}
-void qed_fid_pretend(struct qed_hwfn *p_hwfn,
- struct qed_ptt *p_ptt,
- u16 fid)
+void qed_fid_pretend(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, u16 fid)
{
u16 control = 0;
@@ -309,8 +297,7 @@ void qed_fid_pretend(struct qed_hwfn *p_hwfn,
}
void qed_port_pretend(struct qed_hwfn *p_hwfn,
- struct qed_ptt *p_ptt,
- u8 port_id)
+ struct qed_ptt *p_ptt, u8 port_id)
{
u16 control = 0;
@@ -326,8 +313,7 @@ void qed_port_pretend(struct qed_hwfn *p_hwfn,
*(u32 *)&p_ptt->pxp.pretend);
}
-void qed_port_unpretend(struct qed_hwfn *p_hwfn,
- struct qed_ptt *p_ptt)
+void qed_port_unpretend(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
{
u16 control = 0;
@@ -429,28 +415,27 @@ u32 qed_dmae_idx_to_go_cmd(u8 idx)
return DMAE_REG_GO_C0 + (idx << 2);
}
-static int
-qed_dmae_post_command(struct qed_hwfn *p_hwfn,
- struct qed_ptt *p_ptt)
+static int qed_dmae_post_command(struct qed_hwfn *p_hwfn,
+ struct qed_ptt *p_ptt)
{
- struct dmae_cmd *command = p_hwfn->dmae_info.p_dmae_cmd;
+ struct dmae_cmd *p_command = p_hwfn->dmae_info.p_dmae_cmd;
u8 idx_cmd = p_hwfn->dmae_info.channel, i;
int qed_status = 0;
/* verify address is not NULL */
- if ((((command->dst_addr_lo == 0) && (command->dst_addr_hi == 0)) ||
- ((command->src_addr_lo == 0) && (command->src_addr_hi == 0)))) {
+ if ((((!p_command->dst_addr_lo) && (!p_command->dst_addr_hi)) ||
+ ((!p_command->src_addr_lo) && (!p_command->src_addr_hi)))) {
DP_NOTICE(p_hwfn,
"source or destination address 0 idx_cmd=%d\n"
"opcode = [0x%08x,0x%04x] len=0x%x src=0x%x:%x dst=0x%x:%x\n",
- idx_cmd,
- le32_to_cpu(command->opcode),
- le16_to_cpu(command->opcode_b),
- le16_to_cpu(command->length_dw),
- le32_to_cpu(command->src_addr_hi),
- le32_to_cpu(command->src_addr_lo),
- le32_to_cpu(command->dst_addr_hi),
- le32_to_cpu(command->dst_addr_lo));
+ idx_cmd,
+ le32_to_cpu(p_command->opcode),
+ le16_to_cpu(p_command->opcode_b),
+ le16_to_cpu(p_command->length_dw),
+ le32_to_cpu(p_command->src_addr_hi),
+ le32_to_cpu(p_command->src_addr_lo),
+ le32_to_cpu(p_command->dst_addr_hi),
+ le32_to_cpu(p_command->dst_addr_lo));
return -EINVAL;
}
@@ -459,13 +444,13 @@ qed_dmae_post_command(struct qed_hwfn *p_hwfn,
NETIF_MSG_HW,
"Posting DMAE command [idx %d]: opcode = [0x%08x,0x%04x] len=0x%x src=0x%x:%x dst=0x%x:%x\n",
idx_cmd,
- le32_to_cpu(command->opcode),
- le16_to_cpu(command->opcode_b),
- le16_to_cpu(command->length_dw),
- le32_to_cpu(command->src_addr_hi),
- le32_to_cpu(command->src_addr_lo),
- le32_to_cpu(command->dst_addr_hi),
- le32_to_cpu(command->dst_addr_lo));
+ le32_to_cpu(p_command->opcode),
+ le16_to_cpu(p_command->opcode_b),
+ le16_to_cpu(p_command->length_dw),
+ le32_to_cpu(p_command->src_addr_hi),
+ le32_to_cpu(p_command->src_addr_lo),
+ le32_to_cpu(p_command->dst_addr_hi),
+ le32_to_cpu(p_command->dst_addr_lo));
/* Copy the command to DMAE - need to do it before every call
* for source/dest address no reset.
@@ -475,7 +460,7 @@ qed_dmae_post_command(struct qed_hwfn *p_hwfn,
*/
for (i = 0; i < DMAE_CMD_SIZE; i++) {
u32 data = (i < DMAE_CMD_SIZE_TO_FILL) ?
- *(((u32 *)command) + i) : 0;
+ *(((u32 *)p_command) + i) : 0;
qed_wr(p_hwfn, p_ptt,
DMAE_REG_CMD_MEM +
@@ -483,9 +468,7 @@ qed_dmae_post_command(struct qed_hwfn *p_hwfn,
(i * sizeof(u32)), data);
}
- qed_wr(p_hwfn, p_ptt,
- qed_dmae_idx_to_go_cmd(idx_cmd),
- DMAE_GO_VALUE);
+ qed_wr(p_hwfn, p_ptt, qed_dmae_idx_to_go_cmd(idx_cmd), DMAE_GO_VALUE);
return qed_status;
}
@@ -498,9 +481,7 @@ int qed_dmae_info_alloc(struct qed_hwfn *p_hwfn)
u32 **p_comp = &p_hwfn->dmae_info.p_completion_word;
*p_comp = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
- sizeof(u32),
- p_addr,
- GFP_KERNEL);
+ sizeof(u32), p_addr, GFP_KERNEL);
if (!*p_comp) {
DP_NOTICE(p_hwfn, "Failed to allocate `p_completion_word'\n");
goto err;
@@ -543,8 +524,7 @@ void qed_dmae_info_free(struct qed_hwfn *p_hwfn)
p_phys = p_hwfn->dmae_info.completion_word_phys_addr;
dma_free_coherent(&p_hwfn->cdev->pdev->dev,
sizeof(u32),
- p_hwfn->dmae_info.p_completion_word,
- p_phys);
+ p_hwfn->dmae_info.p_completion_word, p_phys);
p_hwfn->dmae_info.p_completion_word = NULL;
}
@@ -552,8 +532,7 @@ void qed_dmae_info_free(struct qed_hwfn *p_hwfn)
p_phys = p_hwfn->dmae_info.dmae_cmd_phys_addr;
dma_free_coherent(&p_hwfn->cdev->pdev->dev,
sizeof(struct dmae_cmd),
- p_hwfn->dmae_info.p_dmae_cmd,
- p_phys);
+ p_hwfn->dmae_info.p_dmae_cmd, p_phys);
p_hwfn->dmae_info.p_dmae_cmd = NULL;
}
@@ -571,9 +550,7 @@ void qed_dmae_info_free(struct qed_hwfn *p_hwfn)
static int qed_dmae_operation_wait(struct qed_hwfn *p_hwfn)
{
- u32 wait_cnt = 0;
- u32 wait_cnt_limit = 10000;
-
+ u32 wait_cnt_limit = 10000, wait_cnt = 0;
int qed_status = 0;
barrier();
@@ -606,7 +583,7 @@ static int qed_dmae_execute_sub_operation(struct qed_hwfn *p_hwfn,
u64 dst_addr,
u8 src_type,
u8 dst_type,
- u32 length)
+ u32 length_dw)
{
dma_addr_t phys = p_hwfn->dmae_info.intermediate_buffer_phys_addr;
struct dmae_cmd *cmd = p_hwfn->dmae_info.p_dmae_cmd;
@@ -624,7 +601,7 @@ static int qed_dmae_execute_sub_operation(struct qed_hwfn *p_hwfn,
cmd->src_addr_lo = cpu_to_le32(lower_32_bits(phys));
memcpy(&p_hwfn->dmae_info.p_intermediate_buffer[0],
(void *)(uintptr_t)src_addr,
- length * sizeof(u32));
+ length_dw * sizeof(u32));
break;
default:
return -EINVAL;
@@ -645,7 +622,7 @@ static int qed_dmae_execute_sub_operation(struct qed_hwfn *p_hwfn,
return -EINVAL;
}
- cmd->length_dw = cpu_to_le16((u16)length);
+ cmd->length_dw = cpu_to_le16((u16)length_dw);
qed_dmae_post_command(p_hwfn, p_ptt);
@@ -654,16 +631,14 @@ static int qed_dmae_execute_sub_operation(struct qed_hwfn *p_hwfn,
if (qed_status) {
DP_NOTICE(p_hwfn,
"qed_dmae_host2grc: Wait Failed. source_addr 0x%llx, grc_addr 0x%llx, size_in_dwords 0x%x\n",
- src_addr,
- dst_addr,
- length);
+ src_addr, dst_addr, length_dw);
return qed_status;
}
if (dst_type == QED_DMAE_ADDRESS_HOST_VIRT)
memcpy((void *)(uintptr_t)(dst_addr),
&p_hwfn->dmae_info.p_intermediate_buffer[0],
- length * sizeof(u32));
+ length_dw * sizeof(u32));
return 0;
}
@@ -730,10 +705,7 @@ static int qed_dmae_execute_command(struct qed_hwfn *p_hwfn,
if (qed_status) {
DP_NOTICE(p_hwfn,
"qed_dmae_execute_sub_operation Failed with error 0x%x. source_addr 0x%llx, destination addr 0x%llx, size_in_dwords 0x%x\n",
- qed_status,
- src_addr,
- dst_addr,
- length_cur);
+ qed_status, src_addr, dst_addr, length_cur);
break;
}
}
@@ -743,10 +715,7 @@ static int qed_dmae_execute_command(struct qed_hwfn *p_hwfn,
int qed_dmae_host2grc(struct qed_hwfn *p_hwfn,
struct qed_ptt *p_ptt,
- u64 source_addr,
- u32 grc_addr,
- u32 size_in_dwords,
- u32 flags)
+ u64 source_addr, u32 grc_addr, u32 size_in_dwords, u32 flags)
{
u32 grc_addr_in_dw = grc_addr / sizeof(u32);
struct qed_dmae_params params;
@@ -768,9 +737,10 @@ int qed_dmae_host2grc(struct qed_hwfn *p_hwfn,
return rc;
}
-int
-qed_dmae_grc2host(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, u32 grc_addr,
- dma_addr_t dest_addr, u32 size_in_dwords, u32 flags)
+int qed_dmae_grc2host(struct qed_hwfn *p_hwfn,
+ struct qed_ptt *p_ptt,
+ u32 grc_addr,
+ dma_addr_t dest_addr, u32 size_in_dwords, u32 flags)
{
u32 grc_addr_in_dw = grc_addr / sizeof(u32);
struct qed_dmae_params params;
@@ -791,12 +761,11 @@ qed_dmae_grc2host(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, u32 grc_addr,
return rc;
}
-int
-qed_dmae_host2host(struct qed_hwfn *p_hwfn,
- struct qed_ptt *p_ptt,
- dma_addr_t source_addr,
- dma_addr_t dest_addr,
- u32 size_in_dwords, struct qed_dmae_params *p_params)
+int qed_dmae_host2host(struct qed_hwfn *p_hwfn,
+ struct qed_ptt *p_ptt,
+ dma_addr_t source_addr,
+ dma_addr_t dest_addr,
+ u32 size_in_dwords, struct qed_dmae_params *p_params)
{
int rc;
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