]> git.droids-corp.org - dpdk.git/commitdiff
net/bnxt: add TruFlow API to get SRAM resources
authorJay Ding <jay.ding@broadcom.com>
Wed, 3 Nov 2021 00:52:46 +0000 (17:52 -0700)
committerAjit Khaparde <ajit.khaparde@broadcom.com>
Thu, 4 Nov 2021 21:13:34 +0000 (22:13 +0100)
Implement tf_get_sram_resources to return SRAM
partition information, including bank count and
SRAM profile number.

Signed-off-by: Jay Ding <jay.ding@broadcom.com>
Signed-off-by: Venkat Duvvuru <venkatkumar.duvvuru@broadcom.com>
Reviewed-by: Farah Smith <farah.smith@broadcom.com>
Reviewed-by: Randy Schacher <stuart.schacher@broadcom.com>
Acked-by: Ajit Khaparde <ajit.khaparde@broadcom.com>
drivers/net/bnxt/tf_core/tf_core.c
drivers/net/bnxt/tf_core/tf_core.h
drivers/net/bnxt/tf_core/tf_device.h
drivers/net/bnxt/tf_core/tf_device_p4.c
drivers/net/bnxt/tf_core/tf_device_p58.c
drivers/net/bnxt/tf_core/tf_msg.c
drivers/net/bnxt/tf_core/tf_msg.h
drivers/net/bnxt/tf_core/tf_rm.c
drivers/net/bnxt/tf_core/tf_sram_mgr.h

index 86dfec0eb4d0f8e16abc339227b7873b8a1b316f..346d220c870d83eb155af83102eb743fd440dc86 100644 (file)
@@ -1831,3 +1831,89 @@ int tf_get_version(struct tf *tfp,
 
        return 0;
 }
+
+int tf_query_sram_resources(struct tf *tfp,
+                           struct tf_query_sram_resources_parms *parms)
+{
+       int rc;
+       struct tf_dev_info dev;
+       uint16_t max_types;
+       struct tfp_calloc_parms cparms;
+       struct tf_rm_resc_req_entry *query;
+       enum tf_rm_resc_resv_strategy resv_strategy;
+
+       TF_CHECK_PARMS2(tfp, parms);
+
+       /* This function can be called before open session, filter
+        * out any non-supported device types on the Core side.
+        */
+       if (parms->device_type != TF_DEVICE_TYPE_THOR) {
+               TFP_DRV_LOG(ERR,
+                           "Unsupported device type %d\n",
+                           parms->device_type);
+               return -ENOTSUP;
+       }
+
+       tf_dev_bind_ops(parms->device_type, &dev);
+
+       if (dev.ops->tf_dev_get_max_types == NULL) {
+               rc = -EOPNOTSUPP;
+               TFP_DRV_LOG(ERR,
+                           "%s: Operation not supported, rc:%s\n",
+                           tf_dir_2_str(parms->dir),
+                           strerror(-rc));
+               return -EOPNOTSUPP;
+       }
+
+       /* Need device max number of elements for the RM QCAPS */
+       rc = dev.ops->tf_dev_get_max_types(tfp, &max_types);
+       if (rc) {
+               TFP_DRV_LOG(ERR,
+                           "Get SRAM resc info failed, rc:%s\n",
+                           strerror(-rc));
+               return rc;
+       }
+
+       /* Allocate memory for RM QCAPS request */
+       cparms.nitems = max_types;
+       cparms.size = sizeof(struct tf_rm_resc_req_entry);
+       cparms.alignment = 0;
+       rc = tfp_calloc(&cparms);
+       if (rc)
+               return rc;
+
+       query = (struct tf_rm_resc_req_entry *)cparms.mem_va;
+       tfp->bp = parms->bp;
+
+       /* Get Firmware Capabilities */
+       rc = tf_msg_session_resc_qcaps(tfp,
+                                      &dev,
+                                      parms->dir,
+                                      max_types,
+                                      query,
+                                      &resv_strategy,
+                                      &parms->sram_profile);
+       if (rc)
+               return rc;
+
+       if (dev.ops->tf_dev_get_sram_resources == NULL) {
+               rc = -EOPNOTSUPP;
+               TFP_DRV_LOG(ERR,
+                           "%s: Operation not supported, rc:%s\n",
+                           tf_dir_2_str(parms->dir),
+                           strerror(-rc));
+               return -EOPNOTSUPP;
+       }
+
+       rc = dev.ops->tf_dev_get_sram_resources((void *)query,
+                       parms->bank_resc_count,
+                       &parms->dynamic_sram_capable);
+       if (rc) {
+               TFP_DRV_LOG(ERR,
+                           "Get SRAM resc info failed, rc:%s\n",
+                           strerror(-rc));
+               return rc;
+       }
+
+       return 0;
+}
index ba9881c69dc6e54e6a6ea64b9d5944dc4b430127..078fd278a13abf6ccbf53d7082d684682c9b79df 100644 (file)
@@ -75,6 +75,17 @@ enum tf_wc_num_slice {
        TF_WC_TCAM_8_SLICE_PER_ROW = 8,
 };
 
+/**
+ * Bank identifier
+ */
+enum tf_sram_bank_id {
+       TF_SRAM_BANK_ID_0,              /**< SRAM Bank 0 id */
+       TF_SRAM_BANK_ID_1,              /**< SRAM Bank 1 id */
+       TF_SRAM_BANK_ID_2,              /**< SRAM Bank 2 id */
+       TF_SRAM_BANK_ID_3,              /**< SRAM Bank 3 id */
+       TF_SRAM_BANK_ID_MAX             /**< SRAM Bank index limit */
+};
+
 /**
  * EEM record AR helper
  *
@@ -2438,4 +2449,56 @@ struct tf_get_version_parms {
  */
 int tf_get_version(struct tf *tfp,
                   struct tf_get_version_parms *parms);
+
+/**
+ * tf_query_sram_resources parameter definition
+ */
+struct tf_query_sram_resources_parms {
+       /**
+        * [in] device type
+        *
+        * Device type for the session.
+        */
+       enum tf_device_type device_type;
+
+       /**
+        * [in] bp
+        * The pointer to the parent bp struct. This is only used for HWRM
+        * message passing within the portability layer. The type is struct
+        * bnxt.
+        */
+       void *bp;
+
+       /**
+        * [in] Receive or transmit direction
+        */
+       enum tf_dir dir;
+
+       /**
+        * [out] Bank resource count in 8 bytes entry
+        */
+
+       uint32_t bank_resc_count[TF_SRAM_BANK_ID_MAX];
+
+       /**
+        * [out] Dynamic SRAM Enable
+        */
+       bool dynamic_sram_capable;
+
+       /**
+        * [out] SRAM profile
+        */
+       uint8_t sram_profile;
+};
+
+/**
+ * Get SRAM resources information
+ *
+ * Used to retrieve sram bank partition information
+ *
+ * Returns success or failure code.
+ */
+int tf_query_sram_resources(struct tf *tfp,
+                           struct tf_query_sram_resources_parms *parms);
+
 #endif /* _TF_CORE_H_ */
index 88bd4515ff554cd27875dbde32a9af5e71d18b92..9360eb1358275caffa41ebc5771b93139c519ea3 100644 (file)
@@ -1081,6 +1081,26 @@ struct tf_dev_ops {
                                     uint32_t *tcam_caps,
                                     uint32_t *tbl_caps,
                                     uint32_t *em_caps);
+
+       /**
+        * Device specific function that retrieve the sram resource
+        *
+        * [in] query
+        *   Point to resources query result
+        *
+        * [out] sram_bank_caps
+        *   Pointer to SRAM bank capabilities
+        *
+        * [out] dynamic_sram_capable
+        *   Pointer to dynamic sram capable
+        *
+        * Returns
+        *   - (0) if successful.
+        *   - (-EINVAL) on failure.
+        */
+       int (*tf_dev_get_sram_resources)(void *query,
+                                        uint32_t *sram_bank_caps,
+                                        bool *dynamic_sram_capable);
 };
 
 /**
index 8089785b82a644cd425e0fd6a098760211f9f57f..cf0e919f9fd51c30f0dc539aa19c36f88a219226 100644 (file)
@@ -382,7 +382,8 @@ const struct tf_dev_ops tf_dev_ops_p4_init = {
        .tf_dev_get_global_cfg = NULL,
        .tf_dev_get_mailbox = tf_dev_p4_get_mailbox,
        .tf_dev_word_align = NULL,
-       .tf_dev_map_hcapi_caps = tf_dev_p4_map_hcapi_caps
+       .tf_dev_map_hcapi_caps = tf_dev_p4_map_hcapi_caps,
+       .tf_dev_get_sram_resources = NULL
 };
 
 /**
@@ -445,5 +446,6 @@ const struct tf_dev_ops tf_dev_ops_p4 = {
        .tf_dev_get_mailbox = tf_dev_p4_get_mailbox,
        .tf_dev_word_align = tf_dev_p4_word_align,
        .tf_dev_cfa_key_hash = hcapi_cfa_p4_key_hash,
-       .tf_dev_map_hcapi_caps = tf_dev_p4_map_hcapi_caps
+       .tf_dev_map_hcapi_caps = tf_dev_p4_map_hcapi_caps,
+       .tf_dev_get_sram_resources = NULL
 };
index 03e72b90f5d7955302f36d6b61bd4576f54b66b2..4687fa65ddba4e59641d599d06b2c940aabe33e0 100644 (file)
@@ -397,6 +397,53 @@ static int tf_dev_p58_map_hcapi_caps(uint64_t hcapi_caps,
        return 0;
 }
 
+/**
+ * Device specific function that retrieve the sram resource
+ *
+ * [in] query
+ *   Point to resources query result
+ *
+ * [out] sram_bank_caps
+ *   Pointer to SRAM bank capabilities
+ *
+ * [out] dynamic_sram_capable
+ *   Pointer to dynamic sram capable
+ *
+ * Returns
+ *   - (0) if successful.
+ *   - (-EINVAL) on failure.
+ */
+static int tf_dev_p58_get_sram_resources(void *q,
+                                        uint32_t *sram_bank_caps,
+                                        bool *dynamic_sram_capable)
+{
+       uint32_t i;
+       struct tf_rm_resc_req_entry *query = q;
+
+       for (i = 0; i < CFA_RESOURCE_TYPE_P58_LAST + 1; i++) {
+               switch (query[i].type) {
+               case CFA_RESOURCE_TYPE_P58_SRAM_BANK_0:
+                       sram_bank_caps[0] = query[i].max;
+                       break;
+               case CFA_RESOURCE_TYPE_P58_SRAM_BANK_1:
+                       sram_bank_caps[1] = query[i].max;
+                       break;
+               case CFA_RESOURCE_TYPE_P58_SRAM_BANK_2:
+                       sram_bank_caps[2] = query[i].max;
+                       break;
+               case CFA_RESOURCE_TYPE_P58_SRAM_BANK_3:
+                       sram_bank_caps[3] = query[i].max;
+                       break;
+               default:
+                       break;
+               }
+       }
+
+       *dynamic_sram_capable = false;
+
+       return 0;
+}
+
 /**
  * Truflow P58 device specific functions
  */
@@ -447,7 +494,8 @@ const struct tf_dev_ops tf_dev_ops_p58_init = {
        .tf_dev_get_global_cfg = NULL,
        .tf_dev_get_mailbox = tf_dev_p58_get_mailbox,
        .tf_dev_word_align = NULL,
-       .tf_dev_map_hcapi_caps = tf_dev_p58_map_hcapi_caps
+       .tf_dev_map_hcapi_caps = tf_dev_p58_map_hcapi_caps,
+       .tf_dev_get_sram_resources = tf_dev_p58_get_sram_resources
 };
 
 /**
@@ -511,5 +559,6 @@ const struct tf_dev_ops tf_dev_ops_p58 = {
        .tf_dev_get_mailbox = tf_dev_p58_get_mailbox,
        .tf_dev_word_align = tf_dev_p58_word_align,
        .tf_dev_cfa_key_hash = hcapi_cfa_p58_key_hash,
-       .tf_dev_map_hcapi_caps = tf_dev_p58_map_hcapi_caps
+       .tf_dev_map_hcapi_caps = tf_dev_p58_map_hcapi_caps,
+       .tf_dev_get_sram_resources = tf_dev_p58_get_sram_resources
 };
index 25bf026658febbe3c8c2d2d13241535c65276838..fbc96d374cd2773af27128f3bb3e261648bf614c 100644 (file)
@@ -380,39 +380,20 @@ tf_msg_session_resc_qcaps(struct tf *tfp,
                          enum tf_dir dir,
                          uint16_t size,
                          struct tf_rm_resc_req_entry *query,
-                         enum tf_rm_resc_resv_strategy *resv_strategy)
+                         enum tf_rm_resc_resv_strategy *resv_strategy,
+                         uint8_t *sram_profile)
 {
        int rc;
        int i;
        struct tfp_send_msg_parms parms = { 0 };
        struct hwrm_tf_session_resc_qcaps_input req = { 0 };
        struct hwrm_tf_session_resc_qcaps_output resp = { 0 };
-       uint8_t fw_session_id;
        struct tf_msg_dma_buf qcaps_buf = { 0 };
        struct tf_rm_resc_req_entry *data;
        int dma_size;
-       struct tf_session *tfs;
-
-       /* Retrieve the session information */
-       rc = tf_session_get_session_internal(tfp, &tfs);
-       if (rc) {
-               TFP_DRV_LOG(ERR,
-                           "Failed to lookup session, rc:%s\n",
-                           strerror(-rc));
-               return rc;
-       }
 
        TF_CHECK_PARMS3(tfp, query, resv_strategy);
 
-       rc = tf_session_get_fw_session_id(tfp, &fw_session_id);
-       if (rc) {
-               TFP_DRV_LOG(ERR,
-                           "%s: Unable to lookup FW id, rc:%s\n",
-                           tf_dir_2_str(dir),
-                           strerror(-rc));
-               return rc;
-       }
-
        /* Prepare DMA buffer */
        dma_size = size * sizeof(struct tf_rm_resc_req_entry);
        rc = tf_msg_alloc_dma_buf(&qcaps_buf, dma_size);
@@ -420,7 +401,7 @@ tf_msg_session_resc_qcaps(struct tf *tfp,
                return rc;
 
        /* Populate the request */
-       req.fw_session_id = tfp_cpu_to_le_32(fw_session_id);
+       req.fw_session_id = 0;
        req.flags = tfp_cpu_to_le_16(dir);
        req.qcaps_size = size;
        req.qcaps_addr = tfp_cpu_to_le_64(qcaps_buf.pa_addr);
@@ -460,6 +441,9 @@ tf_msg_session_resc_qcaps(struct tf *tfp,
        *resv_strategy = resp.flags &
              HWRM_TF_SESSION_RESC_QCAPS_OUTPUT_FLAGS_SESS_RESV_STRATEGY_MASK;
 
+       if (sram_profile != NULL)
+               *sram_profile = resp.sram_profile;
+
 cleanup:
        tf_msg_free_dma_buf(&qcaps_buf);
 
index 08d20cdd7a815f702db6289c48c3b412d0353418..188b361d713625d5f3541c8abbc9c6beee2ea947 100644 (file)
@@ -158,6 +158,9 @@ int tf_msg_session_qcfg(struct tf *tfp);
  * [out] resv_strategy
  *   Pointer to the reservation strategy
  *
+ * [out] sram_profile
+ *   Pointer to the sram profile
+ *
  * Returns:
  *   0 on Success else internal Truflow error
  */
@@ -166,7 +169,8 @@ int tf_msg_session_resc_qcaps(struct tf *tfp,
                              enum tf_dir dir,
                              uint16_t size,
                              struct tf_rm_resc_req_entry *query,
-                             enum tf_rm_resc_resv_strategy *resv_strategy);
+                             enum tf_rm_resc_resv_strategy *resv_strategy,
+                             uint8_t *sram_profile);
 
 /**
  * Sends session HW resource allocation request to TF Firmware
index dd537aaececc1950ab9bad3f2d9ca8e3fd620a9d..d2045921b988744aeba66d8f60404bd0a16f64ac 100644 (file)
@@ -551,7 +551,8 @@ tf_rm_create_db(struct tf *tfp,
                                       parms->dir,
                                       max_types,
                                       query,
-                                      &resv_strategy);
+                                      &resv_strategy,
+                                      NULL);
        if (rc)
                return rc;
 
index 4abe3fb4683cfb5c97c9f859fbb011e016f10432..eb2156456a1b51bda91b15e03db90060764cf974 100644 (file)
 
 #define TF_SRAM_MGR_BLOCK_SZ_BYTES 64
 #define TF_SRAM_MGR_MIN_SLICE_BYTES 8
-/**
- * Bank identifier
- */
-enum tf_sram_bank_id {
-       TF_SRAM_BANK_ID_0,              /**< SRAM Bank 0 id */
-       TF_SRAM_BANK_ID_1,              /**< SRAM Bank 1 id */
-       TF_SRAM_BANK_ID_2,              /**< SRAM Bank 2 id */
-       TF_SRAM_BANK_ID_3,              /**< SRAM Bank 3 id */
-       TF_SRAM_BANK_ID_MAX             /**< SRAM Bank index limit */
-};
 
 /**
  * TF slice size.