ctx_validation = CDU_CONTEXT_VALIDATION_DEFAULT_CFG << 8;
ecore_wr(p_hwfn, p_ptt, CDU_REG_TCFC_CTX_VALID0, ctx_validation);
}
+
+#define PHYS_ADDR_DWORDS DIV_ROUND_UP(sizeof(dma_addr_t), 4)
+#define OVERLAY_HDR_SIZE_DWORDS (sizeof(struct fw_overlay_buf_hdr) / 4)
+
+static u32 ecore_get_overlay_addr_ram_addr(struct ecore_hwfn *p_hwfn,
+ u8 storm_id)
+{
+ switch (storm_id) {
+ case 0: return TSEM_REG_FAST_MEMORY + SEM_FAST_REG_INT_RAM +
+ TSTORM_OVERLAY_BUF_ADDR_OFFSET;
+ case 1: return MSEM_REG_FAST_MEMORY + SEM_FAST_REG_INT_RAM +
+ MSTORM_OVERLAY_BUF_ADDR_OFFSET;
+ case 2: return USEM_REG_FAST_MEMORY + SEM_FAST_REG_INT_RAM +
+ USTORM_OVERLAY_BUF_ADDR_OFFSET;
+ case 3: return XSEM_REG_FAST_MEMORY + SEM_FAST_REG_INT_RAM +
+ XSTORM_OVERLAY_BUF_ADDR_OFFSET;
+ case 4: return YSEM_REG_FAST_MEMORY + SEM_FAST_REG_INT_RAM +
+ YSTORM_OVERLAY_BUF_ADDR_OFFSET;
+ case 5: return PSEM_REG_FAST_MEMORY + SEM_FAST_REG_INT_RAM +
+ PSTORM_OVERLAY_BUF_ADDR_OFFSET;
+
+ default: return 0;
+ }
+}
+
+struct phys_mem_desc *ecore_fw_overlay_mem_alloc(struct ecore_hwfn *p_hwfn,
+ const u32 *const fw_overlay_in_buf,
+ u32 buf_size_in_bytes)
+{
+ u32 buf_size = buf_size_in_bytes / sizeof(u32), buf_offset = 0;
+ struct phys_mem_desc *allocated_mem;
+
+ if (!buf_size)
+ return OSAL_NULL;
+
+ allocated_mem = (struct phys_mem_desc *)OSAL_ZALLOC(p_hwfn->p_dev,
+ GFP_KERNEL,
+ NUM_STORMS *
+ sizeof(struct phys_mem_desc));
+ if (!allocated_mem)
+ return OSAL_NULL;
+
+ OSAL_MEMSET(allocated_mem, 0, NUM_STORMS *
+ sizeof(struct phys_mem_desc));
+
+ /* For each Storm, set physical address in RAM */
+ while (buf_offset < buf_size) {
+ struct phys_mem_desc *storm_mem_desc;
+ struct fw_overlay_buf_hdr *hdr;
+ u32 storm_buf_size;
+ u8 storm_id;
+
+ hdr =
+ (struct fw_overlay_buf_hdr *)&fw_overlay_in_buf[buf_offset];
+ storm_buf_size = GET_FIELD(hdr->data,
+ FW_OVERLAY_BUF_HDR_BUF_SIZE);
+ storm_id = GET_FIELD(hdr->data, FW_OVERLAY_BUF_HDR_STORM_ID);
+ storm_mem_desc = allocated_mem + storm_id;
+ storm_mem_desc->size = storm_buf_size * sizeof(u32);
+
+ /* Allocate physical memory for Storm's overlays buffer */
+ storm_mem_desc->virt_addr =
+ OSAL_DMA_ALLOC_COHERENT(p_hwfn->p_dev,
+ &storm_mem_desc->phys_addr,
+ storm_mem_desc->size);
+ if (!storm_mem_desc->virt_addr)
+ break;
+
+ /* Skip overlays buffer header */
+ buf_offset += OVERLAY_HDR_SIZE_DWORDS;
+
+ /* Copy Storm's overlays buffer to allocated memory */
+ OSAL_MEMCPY(storm_mem_desc->virt_addr,
+ &fw_overlay_in_buf[buf_offset],
+ storm_mem_desc->size);
+
+ /* Advance to next Storm */
+ buf_offset += storm_buf_size;
+ }
+
+ /* If memory allocation has failed, free all allocated memory */
+ if (buf_offset < buf_size) {
+ ecore_fw_overlay_mem_free(p_hwfn, allocated_mem);
+ return OSAL_NULL;
+ }
+
+ return allocated_mem;
+}
+
+void ecore_fw_overlay_init_ram(struct ecore_hwfn *p_hwfn,
+ struct ecore_ptt *p_ptt,
+ struct phys_mem_desc *fw_overlay_mem)
+{
+ u8 storm_id;
+
+ for (storm_id = 0; storm_id < NUM_STORMS; storm_id++) {
+ struct phys_mem_desc *storm_mem_desc =
+ (struct phys_mem_desc *)fw_overlay_mem + storm_id;
+ u32 ram_addr, i;
+
+ /* Skip Storms with no FW overlays */
+ if (!storm_mem_desc->virt_addr)
+ continue;
+
+ /* Calculate overlay RAM GRC address of current PF */
+ ram_addr = ecore_get_overlay_addr_ram_addr(p_hwfn, storm_id) +
+ sizeof(dma_addr_t) * p_hwfn->rel_pf_id;
+
+ /* Write Storm's overlay physical address to RAM */
+ for (i = 0; i < PHYS_ADDR_DWORDS; i++, ram_addr += sizeof(u32))
+ ecore_wr(p_hwfn, p_ptt, ram_addr,
+ ((u32 *)&storm_mem_desc->phys_addr)[i]);
+ }
+}
+
+void ecore_fw_overlay_mem_free(struct ecore_hwfn *p_hwfn,
+ struct phys_mem_desc *fw_overlay_mem)
+{
+ u8 storm_id;
+
+ if (!fw_overlay_mem)
+ return;
+
+ for (storm_id = 0; storm_id < NUM_STORMS; storm_id++) {
+ struct phys_mem_desc *storm_mem_desc =
+ (struct phys_mem_desc *)fw_overlay_mem + storm_id;
+
+ /* Free Storm's physical memory */
+ if (storm_mem_desc->virt_addr)
+ OSAL_DMA_FREE_COHERENT(p_hwfn->p_dev,
+ storm_mem_desc->virt_addr,
+ storm_mem_desc->phys_addr,
+ storm_mem_desc->size);
+ }
+
+ /* Free allocated virtual memory */
+ OSAL_FREE(p_hwfn->p_dev, fw_overlay_mem);
+}