--- /dev/null
+/*******************************************************************************
+
+Copyright (c) 2013 - 2015, Intel Corporation
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+
+ 3. Neither the name of the Intel Corporation nor the names of its
+ contributors may be used to endorse or promote products derived from
+ this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.
+
+***************************************************************************/
+
+#ifndef _AVF_HMC_H_
+#define _AVF_HMC_H_
+
+#define AVF_HMC_MAX_BP_COUNT 512
+
+/* forward-declare the HW struct for the compiler */
+struct avf_hw;
+
+#define AVF_HMC_INFO_SIGNATURE 0x484D5347 /* HMSG */
+#define AVF_HMC_PD_CNT_IN_SD 512
+#define AVF_HMC_DIRECT_BP_SIZE 0x200000 /* 2M */
+#define AVF_HMC_PAGED_BP_SIZE 4096
+#define AVF_HMC_PD_BP_BUF_ALIGNMENT 4096
+#define AVF_FIRST_VF_FPM_ID 16
+
+struct avf_hmc_obj_info {
+ u64 base; /* base addr in FPM */
+ u32 max_cnt; /* max count available for this hmc func */
+ u32 cnt; /* count of objects driver actually wants to create */
+ u64 size; /* size in bytes of one object */
+};
+
+enum avf_sd_entry_type {
+ AVF_SD_TYPE_INVALID = 0,
+ AVF_SD_TYPE_PAGED = 1,
+ AVF_SD_TYPE_DIRECT = 2
+};
+
+struct avf_hmc_bp {
+ enum avf_sd_entry_type entry_type;
+ struct avf_dma_mem addr; /* populate to be used by hw */
+ u32 sd_pd_index;
+ u32 ref_cnt;
+};
+
+struct avf_hmc_pd_entry {
+ struct avf_hmc_bp bp;
+ u32 sd_index;
+ bool rsrc_pg;
+ bool valid;
+};
+
+struct avf_hmc_pd_table {
+ struct avf_dma_mem pd_page_addr; /* populate to be used by hw */
+ struct avf_hmc_pd_entry *pd_entry; /* [512] for sw book keeping */
+ struct avf_virt_mem pd_entry_virt_mem; /* virt mem for pd_entry */
+
+ u32 ref_cnt;
+ u32 sd_index;
+};
+
+struct avf_hmc_sd_entry {
+ enum avf_sd_entry_type entry_type;
+ bool valid;
+
+ union {
+ struct avf_hmc_pd_table pd_table;
+ struct avf_hmc_bp bp;
+ } u;
+};
+
+struct avf_hmc_sd_table {
+ struct avf_virt_mem addr; /* used to track sd_entry allocations */
+ u32 sd_cnt;
+ u32 ref_cnt;
+ struct avf_hmc_sd_entry *sd_entry; /* (sd_cnt*512) entries max */
+};
+
+struct avf_hmc_info {
+ u32 signature;
+ /* equals to pci func num for PF and dynamically allocated for VFs */
+ u8 hmc_fn_id;
+ u16 first_sd_index; /* index of the first available SD */
+
+ /* hmc objects */
+ struct avf_hmc_obj_info *hmc_obj;
+ struct avf_virt_mem hmc_obj_virt_mem;
+ struct avf_hmc_sd_table sd_table;
+};
+
+#define AVF_INC_SD_REFCNT(sd_table) ((sd_table)->ref_cnt++)
+#define AVF_INC_PD_REFCNT(pd_table) ((pd_table)->ref_cnt++)
+#define AVF_INC_BP_REFCNT(bp) ((bp)->ref_cnt++)
+
+#define AVF_DEC_SD_REFCNT(sd_table) ((sd_table)->ref_cnt--)
+#define AVF_DEC_PD_REFCNT(pd_table) ((pd_table)->ref_cnt--)
+#define AVF_DEC_BP_REFCNT(bp) ((bp)->ref_cnt--)
+
+/**
+ * AVF_SET_PF_SD_ENTRY - marks the sd entry as valid in the hardware
+ * @hw: pointer to our hw struct
+ * @pa: pointer to physical address
+ * @sd_index: segment descriptor index
+ * @type: if sd entry is direct or paged
+ **/
+#define AVF_SET_PF_SD_ENTRY(hw, pa, sd_index, type) \
+{ \
+ u32 val1, val2, val3; \
+ val1 = (u32)(AVF_HI_DWORD(pa)); \
+ val2 = (u32)(pa) | (AVF_HMC_MAX_BP_COUNT << \
+ AVF_PFHMC_SDDATALOW_PMSDBPCOUNT_SHIFT) | \
+ ((((type) == AVF_SD_TYPE_PAGED) ? 0 : 1) << \
+ AVF_PFHMC_SDDATALOW_PMSDTYPE_SHIFT) | \
+ BIT(AVF_PFHMC_SDDATALOW_PMSDVALID_SHIFT); \
+ val3 = (sd_index) | BIT_ULL(AVF_PFHMC_SDCMD_PMSDWR_SHIFT); \
+ wr32((hw), AVF_PFHMC_SDDATAHIGH, val1); \
+ wr32((hw), AVF_PFHMC_SDDATALOW, val2); \
+ wr32((hw), AVF_PFHMC_SDCMD, val3); \
+}
+
+/**
+ * AVF_CLEAR_PF_SD_ENTRY - marks the sd entry as invalid in the hardware
+ * @hw: pointer to our hw struct
+ * @sd_index: segment descriptor index
+ * @type: if sd entry is direct or paged
+ **/
+#define AVF_CLEAR_PF_SD_ENTRY(hw, sd_index, type) \
+{ \
+ u32 val2, val3; \
+ val2 = (AVF_HMC_MAX_BP_COUNT << \
+ AVF_PFHMC_SDDATALOW_PMSDBPCOUNT_SHIFT) | \
+ ((((type) == AVF_SD_TYPE_PAGED) ? 0 : 1) << \
+ AVF_PFHMC_SDDATALOW_PMSDTYPE_SHIFT); \
+ val3 = (sd_index) | BIT_ULL(AVF_PFHMC_SDCMD_PMSDWR_SHIFT); \
+ wr32((hw), AVF_PFHMC_SDDATAHIGH, 0); \
+ wr32((hw), AVF_PFHMC_SDDATALOW, val2); \
+ wr32((hw), AVF_PFHMC_SDCMD, val3); \
+}
+
+/**
+ * AVF_INVALIDATE_PF_HMC_PD - Invalidates the pd cache in the hardware
+ * @hw: pointer to our hw struct
+ * @sd_idx: segment descriptor index
+ * @pd_idx: page descriptor index
+ **/
+#define AVF_INVALIDATE_PF_HMC_PD(hw, sd_idx, pd_idx) \
+ wr32((hw), AVF_PFHMC_PDINV, \
+ (((sd_idx) << AVF_PFHMC_PDINV_PMSDIDX_SHIFT) | \
+ ((pd_idx) << AVF_PFHMC_PDINV_PMPDIDX_SHIFT)))
+
+/**
+ * AVF_FIND_SD_INDEX_LIMIT - finds segment descriptor index limit
+ * @hmc_info: pointer to the HMC configuration information structure
+ * @type: type of HMC resources we're searching
+ * @index: starting index for the object
+ * @cnt: number of objects we're trying to create
+ * @sd_idx: pointer to return index of the segment descriptor in question
+ * @sd_limit: pointer to return the maximum number of segment descriptors
+ *
+ * This function calculates the segment descriptor index and index limit
+ * for the resource defined by avf_hmc_rsrc_type.
+ **/
+#define AVF_FIND_SD_INDEX_LIMIT(hmc_info, type, index, cnt, sd_idx, sd_limit)\
+{ \
+ u64 fpm_addr, fpm_limit; \
+ fpm_addr = (hmc_info)->hmc_obj[(type)].base + \
+ (hmc_info)->hmc_obj[(type)].size * (index); \
+ fpm_limit = fpm_addr + (hmc_info)->hmc_obj[(type)].size * (cnt);\
+ *(sd_idx) = (u32)(fpm_addr / AVF_HMC_DIRECT_BP_SIZE); \
+ *(sd_limit) = (u32)((fpm_limit - 1) / AVF_HMC_DIRECT_BP_SIZE); \
+ /* add one more to the limit to correct our range */ \
+ *(sd_limit) += 1; \
+}
+
+/**
+ * AVF_FIND_PD_INDEX_LIMIT - finds page descriptor index limit
+ * @hmc_info: pointer to the HMC configuration information struct
+ * @type: HMC resource type we're examining
+ * @idx: starting index for the object
+ * @cnt: number of objects we're trying to create
+ * @pd_index: pointer to return page descriptor index
+ * @pd_limit: pointer to return page descriptor index limit
+ *
+ * Calculates the page descriptor index and index limit for the resource
+ * defined by avf_hmc_rsrc_type.
+ **/
+#define AVF_FIND_PD_INDEX_LIMIT(hmc_info, type, idx, cnt, pd_index, pd_limit)\
+{ \
+ u64 fpm_adr, fpm_limit; \
+ fpm_adr = (hmc_info)->hmc_obj[(type)].base + \
+ (hmc_info)->hmc_obj[(type)].size * (idx); \
+ fpm_limit = fpm_adr + (hmc_info)->hmc_obj[(type)].size * (cnt); \
+ *(pd_index) = (u32)(fpm_adr / AVF_HMC_PAGED_BP_SIZE); \
+ *(pd_limit) = (u32)((fpm_limit - 1) / AVF_HMC_PAGED_BP_SIZE); \
+ /* add one more to the limit to correct our range */ \
+ *(pd_limit) += 1; \
+}
+enum avf_status_code avf_add_sd_table_entry(struct avf_hw *hw,
+ struct avf_hmc_info *hmc_info,
+ u32 sd_index,
+ enum avf_sd_entry_type type,
+ u64 direct_mode_sz);
+
+enum avf_status_code avf_add_pd_table_entry(struct avf_hw *hw,
+ struct avf_hmc_info *hmc_info,
+ u32 pd_index,
+ struct avf_dma_mem *rsrc_pg);
+enum avf_status_code avf_remove_pd_bp(struct avf_hw *hw,
+ struct avf_hmc_info *hmc_info,
+ u32 idx);
+enum avf_status_code avf_prep_remove_sd_bp(struct avf_hmc_info *hmc_info,
+ u32 idx);
+enum avf_status_code avf_remove_sd_bp_new(struct avf_hw *hw,
+ struct avf_hmc_info *hmc_info,
+ u32 idx, bool is_pf);
+enum avf_status_code avf_prep_remove_pd_page(struct avf_hmc_info *hmc_info,
+ u32 idx);
+enum avf_status_code avf_remove_pd_page_new(struct avf_hw *hw,
+ struct avf_hmc_info *hmc_info,
+ u32 idx, bool is_pf);
+
+#endif /* _AVF_HMC_H_ */
Code Review / deb_dpdk.git / blobdiff