This patch continues the efct driver population.
This patch adds driver definitions for:
Routines to retrieve link stats and host stats.
Add Firmware update helper routines.
Co-developed-by: Ram Vegesna <ram.vegesna@xxxxxxxxxxxx>
Signed-off-by: Ram Vegesna <ram.vegesna@xxxxxxxxxxxx>
Signed-off-by: James Smart <jsmart2021@xxxxxxxxx>
Reviewed-by: Hannes Reinecke <hare@xxxxxxx>
Reviewed-by: Daniel Wagner <dwagner@xxxxxxx>
---
v9:
Non-functional changes:
Remove EFC_SUCCESS/EFC_FAIL defines and use 0 and -Exxx errno values.
Remove EFCT_xxx/EFCT_HW_RTN_xxx defines and use appropriate -Exxx errno
values.
Correct indentation on line continuations.
---
drivers/scsi/elx/efct/efct_hw.c | 327 ++++++++++++++++++++++++++++++++
drivers/scsi/elx/efct/efct_hw.h | 29 +++
2 files changed, 356 insertions(+)
diff --git a/drivers/scsi/elx/efct/efct_hw.c b/drivers/scsi/elx/efct/efct_hw.c
index ffe7dd106811..ddfbb74dbcbd 100644
--- a/drivers/scsi/elx/efct/efct_hw.c
+++ b/drivers/scsi/elx/efct/efct_hw.c
@@ -8,6 +8,23 @@
#include "efct_hw.h"
#include "efct_unsol.h"
+struct efct_hw_link_stat_cb_arg {
+ void (*cb)(int status, u32 num_counters,
+ struct efct_hw_link_stat_counts *counters, void *arg);
+ void *arg;
+};
+
+struct efct_hw_host_stat_cb_arg {
+ void (*cb)(int status, u32 num_counters,
+ struct efct_hw_host_stat_counts *counters, void *arg);
+ void *arg;
+};
+
+struct efct_hw_fw_wr_cb_arg {
+ void (*cb)(int status, u32 bytes_written, u32 change_status, void *arg);
+ void *arg;
+};
+
struct efct_mbox_rqst_ctx {
int (*callback)(struct efc *efc, int status, u8 *mqe, void *arg);
void *arg;
@@ -3002,3 +3019,313 @@ efct_hw_send_frame(struct efct_hw *hw, struct fc_frame_header *hdr,
return 0;
}
+
+static int
+efct_hw_cb_link_stat(struct efct_hw *hw, int status,
+ u8 *mqe, void *arg)
+{
+ struct sli4_cmd_read_link_stats *mbox_rsp;
+ struct efct_hw_link_stat_cb_arg *cb_arg = arg;
+ struct efct_hw_link_stat_counts counts[EFCT_HW_LINK_STAT_MAX];
+ u32 num_counters, i;
+ u32 mbox_rsp_flags = 0;
+
+ mbox_rsp = (struct sli4_cmd_read_link_stats *)mqe;
+ mbox_rsp_flags = le32_to_cpu(mbox_rsp->dw1_flags);
+ num_counters = (mbox_rsp_flags & SLI4_READ_LNKSTAT_GEC) ? 20 : 13;
+ memset(counts, 0, sizeof(struct efct_hw_link_stat_counts) *
+ EFCT_HW_LINK_STAT_MAX);
+
+ /* Fill overflow counts, mask starts from SLI4_READ_LNKSTAT_W02OF*/
+ for (i = 0; i < EFCT_HW_LINK_STAT_MAX; i++)
+ counts[i].overflow = (mbox_rsp_flags & (1 << (i + 2)));
+
+ counts[EFCT_HW_LINK_STAT_LINK_FAILURE_COUNT].counter =
+ le32_to_cpu(mbox_rsp->linkfail_errcnt);
+ counts[EFCT_HW_LINK_STAT_LOSS_OF_SYNC_COUNT].counter =
+ le32_to_cpu(mbox_rsp->losssync_errcnt);
+ counts[EFCT_HW_LINK_STAT_LOSS_OF_SIGNAL_COUNT].counter =
+ le32_to_cpu(mbox_rsp->losssignal_errcnt);
+ counts[EFCT_HW_LINK_STAT_PRIMITIVE_SEQ_COUNT].counter =
+ le32_to_cpu(mbox_rsp->primseq_errcnt);
+ counts[EFCT_HW_LINK_STAT_INVALID_XMIT_WORD_COUNT].counter =
+ le32_to_cpu(mbox_rsp->inval_txword_errcnt);
+ counts[EFCT_HW_LINK_STAT_CRC_COUNT].counter =
+ le32_to_cpu(mbox_rsp->crc_errcnt);
+ counts[EFCT_HW_LINK_STAT_PRIMITIVE_SEQ_TIMEOUT_COUNT].counter =
+ le32_to_cpu(mbox_rsp->primseq_eventtimeout_cnt);
+ counts[EFCT_HW_LINK_STAT_ELASTIC_BUFFER_OVERRUN_COUNT].counter =
+ le32_to_cpu(mbox_rsp->elastic_bufoverrun_errcnt);
+ counts[EFCT_HW_LINK_STAT_ARB_TIMEOUT_COUNT].counter =
+ le32_to_cpu(mbox_rsp->arbit_fc_al_timeout_cnt);
+ counts[EFCT_HW_LINK_STAT_ADVERTISED_RCV_B2B_CREDIT].counter =
+ le32_to_cpu(mbox_rsp->adv_rx_buftor_to_buf_credit);
+ counts[EFCT_HW_LINK_STAT_CURR_RCV_B2B_CREDIT].counter =
+ le32_to_cpu(mbox_rsp->curr_rx_buf_to_buf_credit);
+ counts[EFCT_HW_LINK_STAT_ADVERTISED_XMIT_B2B_CREDIT].counter =
+ le32_to_cpu(mbox_rsp->adv_tx_buf_to_buf_credit);
+ counts[EFCT_HW_LINK_STAT_CURR_XMIT_B2B_CREDIT].counter =
+ le32_to_cpu(mbox_rsp->curr_tx_buf_to_buf_credit);
+ counts[EFCT_HW_LINK_STAT_RCV_EOFA_COUNT].counter =
+ le32_to_cpu(mbox_rsp->rx_eofa_cnt);
+ counts[EFCT_HW_LINK_STAT_RCV_EOFDTI_COUNT].counter =
+ le32_to_cpu(mbox_rsp->rx_eofdti_cnt);
+ counts[EFCT_HW_LINK_STAT_RCV_EOFNI_COUNT].counter =
+ le32_to_cpu(mbox_rsp->rx_eofni_cnt);
+ counts[EFCT_HW_LINK_STAT_RCV_SOFF_COUNT].counter =
+ le32_to_cpu(mbox_rsp->rx_soff_cnt);
+ counts[EFCT_HW_LINK_STAT_RCV_DROPPED_NO_AER_COUNT].counter =
+ le32_to_cpu(mbox_rsp->rx_dropped_no_aer_cnt);
+ counts[EFCT_HW_LINK_STAT_RCV_DROPPED_NO_RPI_COUNT].counter =
+ le32_to_cpu(mbox_rsp->rx_dropped_no_avail_rpi_rescnt);
+ counts[EFCT_HW_LINK_STAT_RCV_DROPPED_NO_XRI_COUNT].counter =
+ le32_to_cpu(mbox_rsp->rx_dropped_no_avail_xri_rescnt);
+
+ if (cb_arg) {
+ if (cb_arg->cb) {
+ if (status == 0 && le16_to_cpu(mbox_rsp->hdr.status))
+ status = le16_to_cpu(mbox_rsp->hdr.status);
+ cb_arg->cb(status, num_counters, counts, cb_arg->arg);
+ }
+
+ kfree(cb_arg);
+ }
+
+ return 0;
+}
+
+int
+efct_hw_get_link_stats(struct efct_hw *hw, u8 req_ext_counters,
+ u8 clear_overflow_flags, u8 clear_all_counters,
+ void (*cb)(int status, u32 num_counters,
+ struct efct_hw_link_stat_counts *counters,
+ void *arg),
+ void *arg)
+{
+ int rc = -EIO;
+ struct efct_hw_link_stat_cb_arg *cb_arg;
+ u8 mbxdata[SLI4_BMBX_SIZE];
+
+ cb_arg = kzalloc(sizeof(*cb_arg), GFP_ATOMIC);
+ if (!cb_arg)
+ return -ENOMEM;
+
+ cb_arg->cb = cb;
+ cb_arg->arg = arg;
+
+ /* Send the HW command */
+ if (!sli_cmd_read_link_stats(&hw->sli, mbxdata, req_ext_counters,
+ clear_overflow_flags, clear_all_counters))
+ rc = efct_hw_command(hw, mbxdata, EFCT_CMD_NOWAIT,
+ efct_hw_cb_link_stat, cb_arg);
+
+ if (rc)
+ kfree(cb_arg);
+
+ return rc;
+}
+
+static int
+efct_hw_cb_host_stat(struct efct_hw *hw, int status, u8 *mqe, void *arg)
+{
+ struct sli4_cmd_read_status *mbox_rsp =
+ (struct sli4_cmd_read_status *)mqe;
+ struct efct_hw_host_stat_cb_arg *cb_arg = arg;
+ struct efct_hw_host_stat_counts counts[EFCT_HW_HOST_STAT_MAX];
+ u32 num_counters = EFCT_HW_HOST_STAT_MAX;
+
+ memset(counts, 0, sizeof(struct efct_hw_host_stat_counts) *
+ EFCT_HW_HOST_STAT_MAX);
+
+ counts[EFCT_HW_HOST_STAT_TX_KBYTE_COUNT].counter =
+ le32_to_cpu(mbox_rsp->trans_kbyte_cnt);
+ counts[EFCT_HW_HOST_STAT_RX_KBYTE_COUNT].counter =
+ le32_to_cpu(mbox_rsp->recv_kbyte_cnt);
+ counts[EFCT_HW_HOST_STAT_TX_FRAME_COUNT].counter =
+ le32_to_cpu(mbox_rsp->trans_frame_cnt);
+ counts[EFCT_HW_HOST_STAT_RX_FRAME_COUNT].counter =
+ le32_to_cpu(mbox_rsp->recv_frame_cnt);
+ counts[EFCT_HW_HOST_STAT_TX_SEQ_COUNT].counter =
+ le32_to_cpu(mbox_rsp->trans_seq_cnt);
+ counts[EFCT_HW_HOST_STAT_RX_SEQ_COUNT].counter =
+ le32_to_cpu(mbox_rsp->recv_seq_cnt);
+ counts[EFCT_HW_HOST_STAT_TOTAL_EXCH_ORIG].counter =
+ le32_to_cpu(mbox_rsp->tot_exchanges_orig);
+ counts[EFCT_HW_HOST_STAT_TOTAL_EXCH_RESP].counter =
+ le32_to_cpu(mbox_rsp->tot_exchanges_resp);
+ counts[EFCT_HW_HOSY_STAT_RX_P_BSY_COUNT].counter =
+ le32_to_cpu(mbox_rsp->recv_p_bsy_cnt);
+ counts[EFCT_HW_HOST_STAT_RX_F_BSY_COUNT].counter =
+ le32_to_cpu(mbox_rsp->recv_f_bsy_cnt);
+ counts[EFCT_HW_HOST_STAT_DROP_FRM_DUE_TO_NO_RQ_BUF_COUNT].counter =
+ le32_to_cpu(mbox_rsp->no_rq_buf_dropped_frames_cnt);
+ counts[EFCT_HW_HOST_STAT_EMPTY_RQ_TIMEOUT_COUNT].counter =
+ le32_to_cpu(mbox_rsp->empty_rq_timeout_cnt);
+ counts[EFCT_HW_HOST_STAT_DROP_FRM_DUE_TO_NO_XRI_COUNT].counter =
+ le32_to_cpu(mbox_rsp->no_xri_dropped_frames_cnt);
+ counts[EFCT_HW_HOST_STAT_EMPTY_XRI_POOL_COUNT].counter =
+ le32_to_cpu(mbox_rsp->empty_xri_pool_cnt);
+
+ if (cb_arg) {
+ if (cb_arg->cb) {
+ if (status == 0 && le16_to_cpu(mbox_rsp->hdr.status))
+ status = le16_to_cpu(mbox_rsp->hdr.status);
+ cb_arg->cb(status, num_counters, counts, cb_arg->arg);
+ }
+
+ kfree(cb_arg);
+ }
+
+ return 0;
+}
+
+int
+efct_hw_get_host_stats(struct efct_hw *hw, u8 cc,
+ void (*cb)(int status, u32 num_counters,
+ struct efct_hw_host_stat_counts *counters,
+ void *arg),
+ void *arg)
+{
+ int rc = -EIO;
+ struct efct_hw_host_stat_cb_arg *cb_arg;
+ u8 mbxdata[SLI4_BMBX_SIZE];
+
+ cb_arg = kmalloc(sizeof(*cb_arg), GFP_ATOMIC);
+ if (!cb_arg)
+ return -ENOMEM;
+
+ cb_arg->cb = cb;
+ cb_arg->arg = arg;
+
+ /* Send the HW command to get the host stats */
+ if (!sli_cmd_read_status(&hw->sli, mbxdata, cc))
+ rc = efct_hw_command(hw, mbxdata, EFCT_CMD_NOWAIT,
+ efct_hw_cb_host_stat, cb_arg);
+
+ if (rc) {
+ efc_log_debug(hw->os, "READ_HOST_STATS failed\n");
+ kfree(cb_arg);
+ }
+
+ return rc;
+}
+
+struct efct_hw_async_call_ctx {
+ efct_hw_async_cb_t callback;
+ void *arg;
+ u8 cmd[SLI4_BMBX_SIZE];
+};
+
+static void
+efct_hw_async_cb(struct efct_hw *hw, int status, u8 *mqe, void *arg)
+{
+ struct efct_hw_async_call_ctx *ctx = arg;
+
+ if (ctx) {
+ if (ctx->callback)
+ (*ctx->callback)(hw, status, mqe, ctx->arg);
+
+ kfree(ctx);
+ }
+}
+
+int
+efct_hw_async_call(struct efct_hw *hw, efct_hw_async_cb_t callback, void *arg)
+{
+ struct efct_hw_async_call_ctx *ctx;
+ int rc;
+
+ /*
+ * Allocate a callback context (which includes the mbox cmd buffer),
+ * we need this to be persistent as the mbox cmd submission may be
+ * queued and executed later execution.
+ */
+ ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
+ if (!ctx)
+ return -ENOMEM;
+
+ ctx->callback = callback;
+ ctx->arg = arg;
+
+ /* Build and send a NOP mailbox command */
+ if (sli_cmd_common_nop(&hw->sli, ctx->cmd, 0)) {
+ efc_log_err(hw->os, "COMMON_NOP format failure\n");
+ kfree(ctx);
+ return -EIO;
+ }
+
+ rc = efct_hw_command(hw, ctx->cmd, EFCT_CMD_NOWAIT, efct_hw_async_cb,
+ ctx);
+ if (rc) {
+ efc_log_err(hw->os, "COMMON_NOP command failure, rc=%d\n", rc);
+ kfree(ctx);
+ return -EIO;
+ }
+ return 0;
+}
+
+static int
+efct_hw_cb_fw_write(struct efct_hw *hw, int status, u8 *mqe, void *arg)
+{
+ struct sli4_cmd_sli_config *mbox_rsp =
+ (struct sli4_cmd_sli_config *)mqe;
+ struct sli4_rsp_cmn_write_object *wr_obj_rsp;
+ struct efct_hw_fw_wr_cb_arg *cb_arg = arg;
+ u32 bytes_written;
+ u16 mbox_status;
+ u32 change_status;
+
+ wr_obj_rsp = (struct sli4_rsp_cmn_write_object *)
+ &mbox_rsp->payload.embed;
+ bytes_written = le32_to_cpu(wr_obj_rsp->actual_write_length);
+ mbox_status = le16_to_cpu(mbox_rsp->hdr.status);
+ change_status = (le32_to_cpu(wr_obj_rsp->change_status_dword) &
+ RSP_CHANGE_STATUS);
+
+ if (cb_arg) {
+ if (cb_arg->cb) {
+ if (!status && mbox_status)
+ status = mbox_status;
+ cb_arg->cb(status, bytes_written, change_status,
+ cb_arg->arg);
+ }
+
+ kfree(cb_arg);
+ }
+
+ return 0;
+}
+
+int
+efct_hw_firmware_write(struct efct_hw *hw, struct efc_dma *dma, u32 size,
+ u32 offset, int last,
+ void (*cb)(int status, u32 bytes_written,
+ u32 change_status, void *arg),
+ void *arg)
+{
+ int rc = -EIO;
+ u8 mbxdata[SLI4_BMBX_SIZE];
+ struct efct_hw_fw_wr_cb_arg *cb_arg;
+ int noc = 0;
+
+ cb_arg = kzalloc(sizeof(*cb_arg), GFP_KERNEL);
+ if (!cb_arg)
+ return -ENOMEM;
+
+ cb_arg->cb = cb;
+ cb_arg->arg = arg;
+
+ /* Write a portion of a firmware image to the device */
+ if (!sli_cmd_common_write_object(&hw->sli, mbxdata,
+ noc, last, size, offset, "/prg/",
+ dma))
+ rc = efct_hw_command(hw, mbxdata, EFCT_CMD_NOWAIT,
+ efct_hw_cb_fw_write, cb_arg);
+
+ if (rc != 0) {
+ efc_log_debug(hw->os, "COMMON_WRITE_OBJECT failed\n");
+ kfree(cb_arg);
+ }
+
+ return rc;
+}
diff --git a/drivers/scsi/elx/efct/efct_hw.h b/drivers/scsi/elx/efct/efct_hw.h
index b9e7f5b4115b..016ba6ac7b96 100644
--- a/drivers/scsi/elx/efct/efct_hw.h
+++ b/drivers/scsi/elx/efct/efct_hw.h
@@ -705,4 +705,33 @@ int
efct_hw_bls_send(struct efct *efct, u32 type, struct sli_bls_params *bls_params,
void *cb, void *arg);
+/* Function for retrieving link statistics */
+int
+efct_hw_get_link_stats(struct efct_hw *hw,
+ u8 req_ext_counters,
+ u8 clear_overflow_flags,
+ u8 clear_all_counters,
+ void (*efct_hw_link_stat_cb_t)(int status,
+ u32 num_counters,
+ struct efct_hw_link_stat_counts *counters, void *arg),
+ void *arg);
+/* Function for retrieving host statistics */
+int
+efct_hw_get_host_stats(struct efct_hw *hw,
+ u8 cc,
+ void (*efct_hw_host_stat_cb_t)(int status,
+ u32 num_counters,
+ struct efct_hw_host_stat_counts *counters, void *arg),
+ void *arg);
+int
+efct_hw_firmware_write(struct efct_hw *hw, struct efc_dma *dma,
+ u32 size, u32 offset, int last,
+ void (*cb)(int status, u32 bytes_written,
+ u32 change_status, void *arg),
+ void *arg);
+typedef void (*efct_hw_async_cb_t)(struct efct_hw *hw, int status,
+ u8 *mqe, void *arg);
+int
+efct_hw_async_call(struct efct_hw *hw, efct_hw_async_cb_t callback, void *arg);
+
#endif /* __EFCT_H__ */
--
2.26.2
