#include "ecore_hw_defs.h"
#include "ecore_hsi_common.h"
#include "ecore_mcp.h"
+#include "ecore_attn_values.h"
struct ecore_pi_info {
ecore_int_comp_cb_t comp_cb;
struct aeu_invert_reg_bit bits[32];
};
+#define MAX_ATTN_GRPS (8)
#define NUM_ATTN_REGS (9)
+static enum _ecore_status_t ecore_mcp_attn_cb(struct ecore_hwfn *p_hwfn)
+{
+ u32 tmp = ecore_rd(p_hwfn, p_hwfn->p_dpc_ptt, MCP_REG_CPU_STATE);
+
+ DP_INFO(p_hwfn->p_dev, "MCP_REG_CPU_STATE: %08x - Masking...\n", tmp);
+ ecore_wr(p_hwfn, p_hwfn->p_dpc_ptt, MCP_REG_CPU_EVENT_MASK, 0xffffffff);
+
+ return ECORE_SUCCESS;
+}
+
+#define ECORE_PSWHST_ATTENTION_DISABLED_PF_MASK (0x3c000)
+#define ECORE_PSWHST_ATTENTION_DISABLED_PF_SHIFT (14)
+#define ECORE_PSWHST_ATTENTION_DISABLED_VF_MASK (0x03fc0)
+#define ECORE_PSWHST_ATTENTION_DISABLED_VF_SHIFT (6)
+#define ECORE_PSWHST_ATTENTION_DISABLED_VALID_MASK (0x00020)
+#define ECORE_PSWHST_ATTENTION_DISABLED_VALID_SHIFT (5)
+#define ECORE_PSWHST_ATTENTION_DISABLED_CLIENT_MASK (0x0001e)
+#define ECORE_PSWHST_ATTENTION_DISABLED_CLIENT_SHIFT (1)
+#define ECORE_PSWHST_ATTENTION_DISABLED_WRITE_MASK (0x1)
+#define ECORE_PSWHST_ATTNETION_DISABLED_WRITE_SHIFT (0)
+#define ECORE_PSWHST_ATTENTION_VF_DISABLED (0x1)
+#define ECORE_PSWHST_ATTENTION_INCORRECT_ACCESS (0x1)
+#define ECORE_PSWHST_ATTENTION_INCORRECT_ACCESS_WR_MASK (0x1)
+#define ECORE_PSWHST_ATTENTION_INCORRECT_ACCESS_WR_SHIFT (0)
+#define ECORE_PSWHST_ATTENTION_INCORRECT_ACCESS_CLIENT_MASK (0x1e)
+#define ECORE_PSWHST_ATTENTION_INCORRECT_ACCESS_CLIENT_SHIFT (1)
+#define ECORE_PSWHST_ATTENTION_INCORRECT_ACCESS_VF_VALID_MASK (0x20)
+#define ECORE_PSWHST_ATTENTION_INCORRECT_ACCESS_VF_VALID_SHIFT (5)
+#define ECORE_PSWHST_ATTENTION_INCORRECT_ACCESS_VF_ID_MASK (0x3fc0)
+#define ECORE_PSWHST_ATTENTION_INCORRECT_ACCESS_VF_ID_SHIFT (6)
+#define ECORE_PSWHST_ATTENTION_INCORRECT_ACCESS_PF_ID_MASK (0x3c000)
+#define ECORE_PSWHST_ATTENTION_INCORRECT_ACCESS_PF_ID_SHIFT (14)
+#define ECORE_PSWHST_ATTENTION_INCORRECT_ACCESS_BYTE_EN_MASK (0x3fc0000)
+#define ECORE_PSWHST_ATTENTION_INCORRECT_ACCESS_BYTE_EN_SHIFT (18)
+static enum _ecore_status_t ecore_pswhst_attn_cb(struct ecore_hwfn *p_hwfn)
+{
+ u32 tmp =
+ ecore_rd(p_hwfn, p_hwfn->p_dpc_ptt,
+ PSWHST_REG_VF_DISABLED_ERROR_VALID);
+
+ /* Disabled VF access */
+ if (tmp & ECORE_PSWHST_ATTENTION_VF_DISABLED) {
+ u32 addr, data;
+
+ addr = ecore_rd(p_hwfn, p_hwfn->p_dpc_ptt,
+ PSWHST_REG_VF_DISABLED_ERROR_ADDRESS);
+ data = ecore_rd(p_hwfn, p_hwfn->p_dpc_ptt,
+ PSWHST_REG_VF_DISABLED_ERROR_DATA);
+ DP_INFO(p_hwfn->p_dev,
+ "PF[0x%02x] VF [0x%02x] [Valid 0x%02x] Client [0x%02x]"
+ " Write [0x%02x] Addr [0x%08x]\n",
+ (u8)((data & ECORE_PSWHST_ATTENTION_DISABLED_PF_MASK)
+ >> ECORE_PSWHST_ATTENTION_DISABLED_PF_SHIFT),
+ (u8)((data & ECORE_PSWHST_ATTENTION_DISABLED_VF_MASK)
+ >> ECORE_PSWHST_ATTENTION_DISABLED_VF_SHIFT),
+ (u8)((data &
+ ECORE_PSWHST_ATTENTION_DISABLED_VALID_MASK) >>
+ ECORE_PSWHST_ATTENTION_DISABLED_VALID_SHIFT),
+ (u8)((data &
+ ECORE_PSWHST_ATTENTION_DISABLED_CLIENT_MASK) >>
+ ECORE_PSWHST_ATTENTION_DISABLED_CLIENT_SHIFT),
+ (u8)((data &
+ ECORE_PSWHST_ATTENTION_DISABLED_WRITE_MASK) >>
+ ECORE_PSWHST_ATTNETION_DISABLED_WRITE_SHIFT),
+ addr);
+ }
+
+ tmp = ecore_rd(p_hwfn, p_hwfn->p_dpc_ptt,
+ PSWHST_REG_INCORRECT_ACCESS_VALID);
+ if (tmp & ECORE_PSWHST_ATTENTION_INCORRECT_ACCESS) {
+ u32 addr, data, length;
+
+ addr = ecore_rd(p_hwfn, p_hwfn->p_dpc_ptt,
+ PSWHST_REG_INCORRECT_ACCESS_ADDRESS);
+ data = ecore_rd(p_hwfn, p_hwfn->p_dpc_ptt,
+ PSWHST_REG_INCORRECT_ACCESS_DATA);
+ length = ecore_rd(p_hwfn, p_hwfn->p_dpc_ptt,
+ PSWHST_REG_INCORRECT_ACCESS_LENGTH);
+
+ DP_INFO(p_hwfn->p_dev,
+ "Incorrect access to %08x of length %08x - PF [%02x]"
+ " VF [%04x] [valid %02x] client [%02x] write [%02x]"
+ " Byte-Enable [%04x] [%08x]\n",
+ addr, length,
+ (u8)((data &
+ ECORE_PSWHST_ATTENTION_INCORRECT_ACCESS_PF_ID_MASK) >>
+ ECORE_PSWHST_ATTENTION_INCORRECT_ACCESS_PF_ID_SHIFT),
+ (u8)((data &
+ ECORE_PSWHST_ATTENTION_INCORRECT_ACCESS_VF_ID_MASK) >>
+ ECORE_PSWHST_ATTENTION_INCORRECT_ACCESS_VF_ID_SHIFT),
+ (u8)((data &
+ ECORE_PSWHST_ATTENTION_INCORRECT_ACCESS_VF_VALID_MASK) >>
+ ECORE_PSWHST_ATTENTION_INCORRECT_ACCESS_VF_VALID_SHIFT),
+ (u8)((data &
+ ECORE_PSWHST_ATTENTION_INCORRECT_ACCESS_CLIENT_MASK) >>
+ ECORE_PSWHST_ATTENTION_INCORRECT_ACCESS_CLIENT_SHIFT),
+ (u8)((data &
+ ECORE_PSWHST_ATTENTION_INCORRECT_ACCESS_WR_MASK) >>
+ ECORE_PSWHST_ATTENTION_INCORRECT_ACCESS_WR_SHIFT),
+ (u8)((data &
+ ECORE_PSWHST_ATTENTION_INCORRECT_ACCESS_BYTE_EN_MASK) >>
+ ECORE_PSWHST_ATTENTION_INCORRECT_ACCESS_BYTE_EN_SHIFT),
+ data);
+ }
+
+ /* TODO - We know 'some' of these are legal due to virtualization,
+ * but is it true for all of them?
+ */
+ return ECORE_SUCCESS;
+}
+
+#define ECORE_GRC_ATTENTION_VALID_BIT (1 << 0)
+#define ECORE_GRC_ATTENTION_ADDRESS_MASK (0x7fffff << 0)
+#define ECORE_GRC_ATTENTION_RDWR_BIT (1 << 23)
+#define ECORE_GRC_ATTENTION_MASTER_MASK (0xf << 24)
+#define ECORE_GRC_ATTENTION_MASTER_SHIFT (24)
+#define ECORE_GRC_ATTENTION_PF_MASK (0xf)
+#define ECORE_GRC_ATTENTION_VF_MASK (0xff << 4)
+#define ECORE_GRC_ATTENTION_VF_SHIFT (4)
+#define ECORE_GRC_ATTENTION_PRIV_MASK (0x3 << 14)
+#define ECORE_GRC_ATTENTION_PRIV_SHIFT (14)
+#define ECORE_GRC_ATTENTION_PRIV_VF (0)
+static const char *grc_timeout_attn_master_to_str(u8 master)
+{
+ switch (master) {
+ case 1:
+ return "PXP";
+ case 2:
+ return "MCP";
+ case 3:
+ return "MSDM";
+ case 4:
+ return "PSDM";
+ case 5:
+ return "YSDM";
+ case 6:
+ return "USDM";
+ case 7:
+ return "TSDM";
+ case 8:
+ return "XSDM";
+ case 9:
+ return "DBU";
+ case 10:
+ return "DMAE";
+ default:
+ return "Unknown";
+ }
+}
+
+static enum _ecore_status_t ecore_grc_attn_cb(struct ecore_hwfn *p_hwfn)
+{
+ u32 tmp, tmp2;
+
+ /* We've already cleared the timeout interrupt register, so we learn
+ * of interrupts via the validity register
+ */
+ tmp = ecore_rd(p_hwfn, p_hwfn->p_dpc_ptt,
+ GRC_REG_TIMEOUT_ATTN_ACCESS_VALID);
+ if (!(tmp & ECORE_GRC_ATTENTION_VALID_BIT))
+ goto out;
+
+ /* Read the GRC timeout information */
+ tmp = ecore_rd(p_hwfn, p_hwfn->p_dpc_ptt,
+ GRC_REG_TIMEOUT_ATTN_ACCESS_DATA_0);
+ tmp2 = ecore_rd(p_hwfn, p_hwfn->p_dpc_ptt,
+ GRC_REG_TIMEOUT_ATTN_ACCESS_DATA_1);
+
+ DP_INFO(p_hwfn->p_dev,
+ "GRC timeout [%08x:%08x] - %s Address [%08x] [Master %s]"
+ " [PF: %02x %s %02x]\n",
+ tmp2, tmp,
+ (tmp & ECORE_GRC_ATTENTION_RDWR_BIT) ? "Write to" : "Read from",
+ (tmp & ECORE_GRC_ATTENTION_ADDRESS_MASK) << 2,
+ grc_timeout_attn_master_to_str((tmp &
+ ECORE_GRC_ATTENTION_MASTER_MASK) >>
+ ECORE_GRC_ATTENTION_MASTER_SHIFT),
+ (tmp2 & ECORE_GRC_ATTENTION_PF_MASK),
+ (((tmp2 & ECORE_GRC_ATTENTION_PRIV_MASK) >>
+ ECORE_GRC_ATTENTION_PRIV_SHIFT) ==
+ ECORE_GRC_ATTENTION_PRIV_VF) ? "VF" : "(Irrelevant:)",
+ (tmp2 & ECORE_GRC_ATTENTION_VF_MASK) >>
+ ECORE_GRC_ATTENTION_VF_SHIFT);
+
+out:
+ /* Regardles of anything else, clean the validity bit */
+ ecore_wr(p_hwfn, p_hwfn->p_dpc_ptt,
+ GRC_REG_TIMEOUT_ATTN_ACCESS_VALID, 0);
+ return ECORE_SUCCESS;
+}
+
+#define ECORE_PGLUE_ATTENTION_VALID (1 << 29)
+#define ECORE_PGLUE_ATTENTION_RD_VALID (1 << 26)
+#define ECORE_PGLUE_ATTENTION_DETAILS_PFID_MASK (0xf << 20)
+#define ECORE_PGLUE_ATTENTION_DETAILS_PFID_SHIFT (20)
+#define ECORE_PGLUE_ATTENTION_DETAILS_VF_VALID (1 << 19)
+#define ECORE_PGLUE_ATTENTION_DETAILS_VFID_MASK (0xff << 24)
+#define ECORE_PGLUE_ATTENTION_DETAILS_VFID_SHIFT (24)
+#define ECORE_PGLUE_ATTENTION_DETAILS2_WAS_ERR (1 << 21)
+#define ECORE_PGLUE_ATTENTION_DETAILS2_BME (1 << 22)
+#define ECORE_PGLUE_ATTENTION_DETAILS2_FID_EN (1 << 23)
+#define ECORE_PGLUE_ATTENTION_ICPL_VALID (1 << 23)
+#define ECORE_PGLUE_ATTENTION_ZLR_VALID (1 << 25)
+#define ECORE_PGLUE_ATTENTION_ILT_VALID (1 << 23)
+static enum _ecore_status_t ecore_pglub_rbc_attn_cb(struct ecore_hwfn *p_hwfn)
+{
+ u32 tmp, reg_addr;
+
+ reg_addr =
+ attn_blocks[BLOCK_PGLUE_B].chip_regs[ECORE_GET_TYPE(p_hwfn->p_dev)].
+ int_regs[0]->mask_addr;
+
+ /* Mask unnecessary attentions -@TBD move to MFW */
+ tmp = ecore_rd(p_hwfn, p_hwfn->p_dpc_ptt, reg_addr);
+ tmp |= (1 << 19); /* Was PGL_PCIE_ATTN */
+ ecore_wr(p_hwfn, p_hwfn->p_dpc_ptt, reg_addr, tmp);
+
+ tmp = ecore_rd(p_hwfn, p_hwfn->p_dpc_ptt,
+ PGLUE_B_REG_TX_ERR_WR_DETAILS2);
+ if (tmp & ECORE_PGLUE_ATTENTION_VALID) {
+ u32 addr_lo, addr_hi, details;
+
+ addr_lo = ecore_rd(p_hwfn, p_hwfn->p_dpc_ptt,
+ PGLUE_B_REG_TX_ERR_WR_ADD_31_0);
+ addr_hi = ecore_rd(p_hwfn, p_hwfn->p_dpc_ptt,
+ PGLUE_B_REG_TX_ERR_WR_ADD_63_32);
+ details = ecore_rd(p_hwfn, p_hwfn->p_dpc_ptt,
+ PGLUE_B_REG_TX_ERR_WR_DETAILS);
+
+ DP_INFO(p_hwfn,
+ "Illegal write by chip to [%08x:%08x] blocked."
+ "Details: %08x [PFID %02x, VFID %02x, VF_VALID %02x]"
+ " Details2 %08x [Was_error %02x BME deassert %02x"
+ " FID_enable deassert %02x]\n",
+ addr_hi, addr_lo, details,
+ (u8)((details &
+ ECORE_PGLUE_ATTENTION_DETAILS_PFID_MASK) >>
+ ECORE_PGLUE_ATTENTION_DETAILS_PFID_SHIFT),
+ (u8)((details &
+ ECORE_PGLUE_ATTENTION_DETAILS_VFID_MASK) >>
+ ECORE_PGLUE_ATTENTION_DETAILS_VFID_SHIFT),
+ (u8)((details & ECORE_PGLUE_ATTENTION_DETAILS_VF_VALID)
+ ? 1 : 0), tmp,
+ (u8)((tmp & ECORE_PGLUE_ATTENTION_DETAILS2_WAS_ERR) ? 1
+ : 0),
+ (u8)((tmp & ECORE_PGLUE_ATTENTION_DETAILS2_BME) ? 1 :
+ 0),
+ (u8)((tmp & ECORE_PGLUE_ATTENTION_DETAILS2_FID_EN) ? 1
+ : 0));
+ }
+
+ tmp = ecore_rd(p_hwfn, p_hwfn->p_dpc_ptt,
+ PGLUE_B_REG_TX_ERR_RD_DETAILS2);
+ if (tmp & ECORE_PGLUE_ATTENTION_RD_VALID) {
+ u32 addr_lo, addr_hi, details;
+
+ addr_lo = ecore_rd(p_hwfn, p_hwfn->p_dpc_ptt,
+ PGLUE_B_REG_TX_ERR_RD_ADD_31_0);
+ addr_hi = ecore_rd(p_hwfn, p_hwfn->p_dpc_ptt,
+ PGLUE_B_REG_TX_ERR_RD_ADD_63_32);
+ details = ecore_rd(p_hwfn, p_hwfn->p_dpc_ptt,
+ PGLUE_B_REG_TX_ERR_RD_DETAILS);
+
+ DP_INFO(p_hwfn,
+ "Illegal read by chip from [%08x:%08x] blocked."
+ " Details: %08x [PFID %02x, VFID %02x, VF_VALID %02x]"
+ " Details2 %08x [Was_error %02x BME deassert %02x"
+ " FID_enable deassert %02x]\n",
+ addr_hi, addr_lo, details,
+ (u8)((details &
+ ECORE_PGLUE_ATTENTION_DETAILS_PFID_MASK) >>
+ ECORE_PGLUE_ATTENTION_DETAILS_PFID_SHIFT),
+ (u8)((details &
+ ECORE_PGLUE_ATTENTION_DETAILS_VFID_MASK) >>
+ ECORE_PGLUE_ATTENTION_DETAILS_VFID_SHIFT),
+ (u8)((details & ECORE_PGLUE_ATTENTION_DETAILS_VF_VALID)
+ ? 1 : 0), tmp,
+ (u8)((tmp & ECORE_PGLUE_ATTENTION_DETAILS2_WAS_ERR) ? 1
+ : 0),
+ (u8)((tmp & ECORE_PGLUE_ATTENTION_DETAILS2_BME) ? 1 :
+ 0),
+ (u8)((tmp & ECORE_PGLUE_ATTENTION_DETAILS2_FID_EN) ? 1
+ : 0));
+ }
+
+ tmp = ecore_rd(p_hwfn, p_hwfn->p_dpc_ptt,
+ PGLUE_B_REG_TX_ERR_WR_DETAILS_ICPL);
+ if (tmp & ECORE_PGLUE_ATTENTION_ICPL_VALID)
+ DP_INFO(p_hwfn, "ICPL error - %08x\n", tmp);
+
+ tmp = ecore_rd(p_hwfn, p_hwfn->p_dpc_ptt,
+ PGLUE_B_REG_MASTER_ZLR_ERR_DETAILS);
+ if (tmp & ECORE_PGLUE_ATTENTION_ZLR_VALID) {
+ u32 addr_hi, addr_lo;
+
+ addr_lo = ecore_rd(p_hwfn, p_hwfn->p_dpc_ptt,
+ PGLUE_B_REG_MASTER_ZLR_ERR_ADD_31_0);
+ addr_hi = ecore_rd(p_hwfn, p_hwfn->p_dpc_ptt,
+ PGLUE_B_REG_MASTER_ZLR_ERR_ADD_63_32);
+
+ DP_INFO(p_hwfn, "ICPL error - %08x [Address %08x:%08x]\n",
+ tmp, addr_hi, addr_lo);
+ }
+
+ tmp = ecore_rd(p_hwfn, p_hwfn->p_dpc_ptt,
+ PGLUE_B_REG_VF_ILT_ERR_DETAILS2);
+ if (tmp & ECORE_PGLUE_ATTENTION_ILT_VALID) {
+ u32 addr_hi, addr_lo, details;
+
+ addr_lo = ecore_rd(p_hwfn, p_hwfn->p_dpc_ptt,
+ PGLUE_B_REG_VF_ILT_ERR_ADD_31_0);
+ addr_hi = ecore_rd(p_hwfn, p_hwfn->p_dpc_ptt,
+ PGLUE_B_REG_VF_ILT_ERR_ADD_63_32);
+ details = ecore_rd(p_hwfn, p_hwfn->p_dpc_ptt,
+ PGLUE_B_REG_VF_ILT_ERR_DETAILS);
+
+ DP_INFO(p_hwfn,
+ "ILT error - Details %08x Details2 %08x"
+ " [Address %08x:%08x]\n",
+ details, tmp, addr_hi, addr_lo);
+ }
+
+ /* Clear the indications */
+ ecore_wr(p_hwfn, p_hwfn->p_dpc_ptt,
+ PGLUE_B_REG_LATCHED_ERRORS_CLR, (1 << 2));
+
+ return ECORE_SUCCESS;
+}
+
+static enum _ecore_status_t ecore_nig_attn_cb(struct ecore_hwfn *p_hwfn)
+{
+ u32 tmp, reg_addr;
+
+ /* Mask unnecessary attentions -@TBD move to MFW */
+ reg_addr =
+ attn_blocks[BLOCK_NIG].chip_regs[ECORE_GET_TYPE(p_hwfn->p_dev)].
+ int_regs[3]->mask_addr;
+ tmp = ecore_rd(p_hwfn, p_hwfn->p_dpc_ptt, reg_addr);
+ tmp |= (1 << 0); /* Was 3_P0_TX_PAUSE_TOO_LONG_INT */
+ tmp |= NIG_REG_INT_MASK_3_P0_LB_TC1_PAUSE_TOO_LONG_INT;
+ ecore_wr(p_hwfn, p_hwfn->p_dpc_ptt, reg_addr, tmp);
+
+ reg_addr =
+ attn_blocks[BLOCK_NIG].chip_regs[ECORE_GET_TYPE(p_hwfn->p_dev)].
+ int_regs[5]->mask_addr;
+ tmp = ecore_rd(p_hwfn, p_hwfn->p_dpc_ptt, reg_addr);
+ tmp |= (1 << 0); /* Was 5_P1_TX_PAUSE_TOO_LONG_INT */
+ ecore_wr(p_hwfn, p_hwfn->p_dpc_ptt, reg_addr, tmp);
+
+ /* TODO - a bit risky to return success here; But alternative is to
+ * actually read the multitdue of interrupt register of the block.
+ */
+ return ECORE_SUCCESS;
+}
+
+static enum _ecore_status_t ecore_fw_assertion(struct ecore_hwfn *p_hwfn)
+{
+ DP_NOTICE(p_hwfn, false, "FW assertion!\n");
+
+ ecore_hw_err_notify(p_hwfn, ECORE_HW_ERR_FW_ASSERT);
+
+ return ECORE_INVAL;
+}
+
+static enum _ecore_status_t
+ecore_general_attention_35(struct ecore_hwfn *p_hwfn)
+{
+ DP_INFO(p_hwfn, "General attention 35!\n");
+
+ return ECORE_SUCCESS;
+}
+
+#define ECORE_DORQ_ATTENTION_REASON_MASK (0xfffff)
+#define ECORE_DORQ_ATTENTION_OPAQUE_MASK (0xffff)
+#define ECORE_DORQ_ATTENTION_SIZE_MASK (0x7f)
+#define ECORE_DORQ_ATTENTION_SIZE_SHIFT (16)
+
+static enum _ecore_status_t ecore_dorq_attn_cb(struct ecore_hwfn *p_hwfn)
+{
+ u32 reason;
+
+ reason = ecore_rd(p_hwfn, p_hwfn->p_dpc_ptt, DORQ_REG_DB_DROP_REASON) &
+ ECORE_DORQ_ATTENTION_REASON_MASK;
+ if (reason) {
+ u32 details = ecore_rd(p_hwfn, p_hwfn->p_dpc_ptt,
+ DORQ_REG_DB_DROP_DETAILS);
+
+ DP_INFO(p_hwfn->p_dev,
+ "DORQ db_drop: address 0x%08x Opaque FID 0x%04x"
+ " Size [bytes] 0x%08x Reason: 0x%08x\n",
+ ecore_rd(p_hwfn, p_hwfn->p_dpc_ptt,
+ DORQ_REG_DB_DROP_DETAILS_ADDRESS),
+ (u16)(details & ECORE_DORQ_ATTENTION_OPAQUE_MASK),
+ ((details & ECORE_DORQ_ATTENTION_SIZE_MASK) >>
+ ECORE_DORQ_ATTENTION_SIZE_SHIFT) * 4, reason);
+ }
+
+ return ECORE_INVAL;
+}
+
+static enum _ecore_status_t ecore_tm_attn_cb(struct ecore_hwfn *p_hwfn)
+{
+#ifndef ASIC_ONLY
+ if (CHIP_REV_IS_EMUL_B0(p_hwfn->p_dev)) {
+ u32 val = ecore_rd(p_hwfn, p_hwfn->p_dpc_ptt,
+ TM_REG_INT_STS_1);
+
+ if (val & ~(TM_REG_INT_STS_1_PEND_TASK_SCAN |
+ TM_REG_INT_STS_1_PEND_CONN_SCAN))
+ return ECORE_INVAL;
+
+ if (val & (TM_REG_INT_STS_1_PEND_TASK_SCAN |
+ TM_REG_INT_STS_1_PEND_CONN_SCAN))
+ DP_INFO(p_hwfn,
+ "TM attention on emulation - most likely"
+ " results of clock-ratios\n");
+ val = ecore_rd(p_hwfn, p_hwfn->p_dpc_ptt, TM_REG_INT_MASK_1);
+ val |= TM_REG_INT_MASK_1_PEND_CONN_SCAN |
+ TM_REG_INT_MASK_1_PEND_TASK_SCAN;
+ ecore_wr(p_hwfn, p_hwfn->p_dpc_ptt, TM_REG_INT_MASK_1, val);
+
+ return ECORE_SUCCESS;
+ }
+#endif
+
+ return ECORE_INVAL;
+}
+
+/* Notice aeu_invert_reg must be defined in the same order of bits as HW; */
+static struct aeu_invert_reg aeu_descs[NUM_ATTN_REGS] = {
+ {
+ { /* After Invert 1 */
+ {"GPIO0 function%d", (32 << ATTENTION_LENGTH_SHIFT), OSAL_NULL,
+ MAX_BLOCK_ID},
+ }
+ },
+
+ {
+ { /* After Invert 2 */
+ {"PGLUE config_space", ATTENTION_SINGLE, OSAL_NULL, MAX_BLOCK_ID},
+ {"PGLUE misc_flr", ATTENTION_SINGLE, OSAL_NULL, MAX_BLOCK_ID},
+ {"PGLUE B RBC", ATTENTION_PAR_INT, ecore_pglub_rbc_attn_cb,
+ BLOCK_PGLUE_B},
+ {"PGLUE misc_mctp", ATTENTION_SINGLE, OSAL_NULL, MAX_BLOCK_ID},
+ {"Flash event", ATTENTION_SINGLE, OSAL_NULL, MAX_BLOCK_ID},
+ {"SMB event", ATTENTION_SINGLE, OSAL_NULL, MAX_BLOCK_ID},
+ {"Main Power", ATTENTION_SINGLE, OSAL_NULL, MAX_BLOCK_ID},
+ {"SW timers #%d",
+ (8 << ATTENTION_LENGTH_SHIFT) | (1 << ATTENTION_OFFSET_SHIFT),
+ OSAL_NULL, MAX_BLOCK_ID},
+ {"PCIE glue/PXP VPD %d", (16 << ATTENTION_LENGTH_SHIFT), OSAL_NULL,
+ BLOCK_PGLCS},
+ }
+ },
+
+ {
+ { /* After Invert 3 */
+ {"General Attention %d", (32 << ATTENTION_LENGTH_SHIFT), OSAL_NULL,
+ MAX_BLOCK_ID},
+ }
+ },
+
+ {
+ { /* After Invert 4 */
+ {"General Attention 32", ATTENTION_SINGLE | ATTENTION_CLEAR_ENABLE,
+ ecore_fw_assertion, MAX_BLOCK_ID},
+ {"General Attention %d",
+ (2 << ATTENTION_LENGTH_SHIFT) | (33 << ATTENTION_OFFSET_SHIFT),
+ OSAL_NULL, MAX_BLOCK_ID},
+ {"General Attention 35", ATTENTION_SINGLE | ATTENTION_CLEAR_ENABLE,
+ ecore_general_attention_35, MAX_BLOCK_ID},
+ {"CNIG port %d", (4 << ATTENTION_LENGTH_SHIFT), OSAL_NULL,
+ BLOCK_CNIG},
+ {"MCP CPU", ATTENTION_SINGLE, ecore_mcp_attn_cb, MAX_BLOCK_ID},
+ {"MCP Watchdog timer", ATTENTION_SINGLE, OSAL_NULL, MAX_BLOCK_ID},
+ {"MCP M2P", ATTENTION_SINGLE, OSAL_NULL, MAX_BLOCK_ID},
+ {"AVS stop status ready", ATTENTION_SINGLE, OSAL_NULL, MAX_BLOCK_ID},
+ {"MSTAT", ATTENTION_PAR_INT, OSAL_NULL, MAX_BLOCK_ID},
+ {"MSTAT per-path", ATTENTION_PAR_INT, OSAL_NULL, MAX_BLOCK_ID},
+ {"Reserved %d", (6 << ATTENTION_LENGTH_SHIFT), OSAL_NULL,
+ MAX_BLOCK_ID},
+ {"NIG", ATTENTION_PAR_INT, ecore_nig_attn_cb, BLOCK_NIG},
+ {"BMB/OPTE/MCP", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_BMB},
+ {"BTB", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_BTB},
+ {"BRB", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_BRB},
+ {"PRS", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_PRS},
+ }
+ },
+
+ {
+ { /* After Invert 5 */
+ {"SRC", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_SRC},
+ {"PB Client1", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_PBF_PB1},
+ {"PB Client2", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_PBF_PB2},
+ {"RPB", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_RPB},
+ {"PBF", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_PBF},
+ {"QM", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_QM},
+ {"TM", ATTENTION_PAR_INT, ecore_tm_attn_cb, BLOCK_TM},
+ {"MCM", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_MCM},
+ {"MSDM", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_MSDM},
+ {"MSEM", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_MSEM},
+ {"PCM", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_PCM},
+ {"PSDM", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_PSDM},
+ {"PSEM", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_PSEM},
+ {"TCM", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_TCM},
+ {"TSDM", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_TSDM},
+ {"TSEM", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_TSEM},
+ }
+ },
+
+ {
+ { /* After Invert 6 */
+ {"UCM", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_UCM},
+ {"USDM", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_USDM},
+ {"USEM", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_USEM},
+ {"XCM", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_XCM},
+ {"XSDM", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_XSDM},
+ {"XSEM", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_XSEM},
+ {"YCM", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_YCM},
+ {"YSDM", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_YSDM},
+ {"YSEM", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_YSEM},
+ {"XYLD", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_XYLD},
+ {"TMLD", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_TMLD},
+ {"MYLD", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_MULD},
+ {"YULD", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_YULD},
+ {"DORQ", ATTENTION_PAR_INT, ecore_dorq_attn_cb, BLOCK_DORQ},
+ {"DBG", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_DBG},
+ {"IPC", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_IPC},
+ }
+ },
+
+ {
+ { /* After Invert 7 */
+ {"CCFC", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_CCFC},
+ {"CDU", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_CDU},
+ {"DMAE", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_DMAE},
+ {"IGU", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_IGU},
+ {"ATC", ATTENTION_PAR_INT, OSAL_NULL, MAX_BLOCK_ID},
+ {"CAU", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_CAU},
+ {"PTU", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_PTU},
+ {"PRM", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_PRM},
+ {"TCFC", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_TCFC},
+ {"RDIF", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_RDIF},
+ {"TDIF", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_TDIF},
+ {"RSS", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_RSS},
+ {"MISC", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_MISC},
+ {"MISCS", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_MISCS},
+ {"PCIE", ATTENTION_PAR, OSAL_NULL, BLOCK_PCIE},
+ {"Vaux PCI core", ATTENTION_SINGLE, OSAL_NULL, BLOCK_PGLCS},
+ {"PSWRQ", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_PSWRQ},
+ }
+ },
+
+ {
+ { /* After Invert 8 */
+ {"PSWRQ (pci_clk)", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_PSWRQ2},
+ {"PSWWR", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_PSWWR},
+ {"PSWWR (pci_clk)", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_PSWWR2},
+ {"PSWRD", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_PSWRD},
+ {"PSWRD (pci_clk)", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_PSWRD2},
+ {"PSWHST", ATTENTION_PAR_INT, ecore_pswhst_attn_cb, BLOCK_PSWHST},
+ {"PSWHST (pci_clk)", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_PSWHST2},
+ {"GRC", ATTENTION_PAR_INT, ecore_grc_attn_cb, BLOCK_GRC},
+ {"CPMU", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_CPMU},
+ {"NCSI", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_NCSI},
+ {"MSEM PRAM", ATTENTION_PAR, OSAL_NULL, MAX_BLOCK_ID},
+ {"PSEM PRAM", ATTENTION_PAR, OSAL_NULL, MAX_BLOCK_ID},
+ {"TSEM PRAM", ATTENTION_PAR, OSAL_NULL, MAX_BLOCK_ID},
+ {"USEM PRAM", ATTENTION_PAR, OSAL_NULL, MAX_BLOCK_ID},
+ {"XSEM PRAM", ATTENTION_PAR, OSAL_NULL, MAX_BLOCK_ID},
+ {"YSEM PRAM", ATTENTION_PAR, OSAL_NULL, MAX_BLOCK_ID},
+ {"pxp_misc_mps", ATTENTION_PAR, OSAL_NULL, BLOCK_PGLCS},
+ {"PCIE glue/PXP Exp. ROM", ATTENTION_SINGLE, OSAL_NULL, BLOCK_PGLCS},
+ {"PERST_B assertion", ATTENTION_SINGLE, OSAL_NULL, MAX_BLOCK_ID},
+ {"PERST_B deassertion", ATTENTION_SINGLE, OSAL_NULL, MAX_BLOCK_ID},
+ {"Reserved %d", (2 << ATTENTION_LENGTH_SHIFT), OSAL_NULL,
+ MAX_BLOCK_ID},
+ }
+ },
+
+ {
+ { /* After Invert 9 */
+ {"MCP Latched memory", ATTENTION_PAR, OSAL_NULL, MAX_BLOCK_ID},
+ {"MCP Latched scratchpad cache", ATTENTION_SINGLE, OSAL_NULL,
+ MAX_BLOCK_ID},
+ {"MCP Latched ump_tx", ATTENTION_PAR, OSAL_NULL, MAX_BLOCK_ID},
+ {"MCP Latched scratchpad", ATTENTION_PAR, OSAL_NULL, MAX_BLOCK_ID},
+ {"Reserved %d", (28 << ATTENTION_LENGTH_SHIFT), OSAL_NULL,
+ MAX_BLOCK_ID},
+ }
+ },
+
+};
+
#define ATTN_STATE_BITS (0xfff)
#define ATTN_BITS_MASKABLE (0x3ff)
struct ecore_sb_attn_info {
return rc;
}
+/**
+ * @brief ecore_int_assertion - handles asserted attention bits
+ *
+ * @param p_hwfn
+ * @param asserted_bits newly asserted bits
+ * @return enum _ecore_status_t
+ */
+static enum _ecore_status_t ecore_int_assertion(struct ecore_hwfn *p_hwfn,
+ u16 asserted_bits)
+{
+ struct ecore_sb_attn_info *sb_attn_sw = p_hwfn->p_sb_attn;
+ u32 igu_mask;
+
+ /* Mask the source of the attention in the IGU */
+ igu_mask = ecore_rd(p_hwfn, p_hwfn->p_dpc_ptt,
+ IGU_REG_ATTENTION_ENABLE);
+ DP_VERBOSE(p_hwfn, ECORE_MSG_INTR, "IGU mask: 0x%08x --> 0x%08x\n",
+ igu_mask, igu_mask & ~(asserted_bits & ATTN_BITS_MASKABLE));
+ igu_mask &= ~(asserted_bits & ATTN_BITS_MASKABLE);
+ ecore_wr(p_hwfn, p_hwfn->p_dpc_ptt, IGU_REG_ATTENTION_ENABLE, igu_mask);
+
+ DP_VERBOSE(p_hwfn, ECORE_MSG_INTR,
+ "inner known ATTN state: 0x%04x --> 0x%04x\n",
+ sb_attn_sw->known_attn,
+ sb_attn_sw->known_attn | asserted_bits);
+ sb_attn_sw->known_attn |= asserted_bits;
+
+ /* Handle MCP events */
+ if (asserted_bits & 0x100) {
+ ecore_mcp_handle_events(p_hwfn, p_hwfn->p_dpc_ptt);
+ /* Clean the MCP attention */
+ ecore_wr(p_hwfn, p_hwfn->p_dpc_ptt,
+ sb_attn_sw->mfw_attn_addr, 0);
+ }
+
+ /* FIXME - this will change once we'll have GOOD gtt definitions */
+ DIRECT_REG_WR(p_hwfn,
+ (u8 OSAL_IOMEM *) p_hwfn->regview +
+ GTT_BAR0_MAP_REG_IGU_CMD +
+ ((IGU_CMD_ATTN_BIT_SET_UPPER -
+ IGU_CMD_INT_ACK_BASE) << 3), (u32)asserted_bits);
+
+ DP_VERBOSE(p_hwfn, ECORE_MSG_INTR, "set cmd IGU: 0x%04x\n",
+ asserted_bits);
+
+ return ECORE_SUCCESS;
+}
+
+static void ecore_int_deassertion_print_bit(struct ecore_hwfn *p_hwfn,
+ struct attn_hw_reg *p_reg_desc,
+ struct attn_hw_block *p_block,
+ enum ecore_attention_type type,
+ u32 val, u32 mask)
+{
+ int j;
+#ifdef ATTN_DESC
+ const char **description;
+
+ if (type == ECORE_ATTN_TYPE_ATTN)
+ description = p_block->int_desc;
+ else
+ description = p_block->prty_desc;
+#endif
+
+ for (j = 0; j < p_reg_desc->num_of_bits; j++) {
+ if (val & (1 << j)) {
+#ifdef ATTN_DESC
+ DP_NOTICE(p_hwfn, false,
+ "%s (%s): %s [reg %d [0x%08x], bit %d]%s\n",
+ p_block->name,
+ type == ECORE_ATTN_TYPE_ATTN ? "Interrupt" :
+ "Parity",
+ description[p_reg_desc->bit_attn_idx[j]],
+ p_reg_desc->reg_idx,
+ p_reg_desc->sts_addr, j,
+ (mask & (1 << j)) ? " [MASKED]" : "");
+#else
+ DP_NOTICE(p_hwfn->p_dev, false,
+ "%s (%s): [reg %d [0x%08x], bit %d]%s\n",
+ p_block->name,
+ type == ECORE_ATTN_TYPE_ATTN ? "Interrupt" :
+ "Parity",
+ p_reg_desc->reg_idx,
+ p_reg_desc->sts_addr, j,
+ (mask & (1 << j)) ? " [MASKED]" : "");
+#endif
+ }
+ }
+}
+
+/**
+ * @brief ecore_int_deassertion_aeu_bit - handles the effects of a single
+ * cause of the attention
+ *
+ * @param p_hwfn
+ * @param p_aeu - descriptor of an AEU bit which caused the attention
+ * @param aeu_en_reg - register offset of the AEU enable reg. which configured
+ * this bit to this group.
+ * @param bit_index - index of this bit in the aeu_en_reg
+ *
+ * @return enum _ecore_status_t
+ */
+static enum _ecore_status_t
+ecore_int_deassertion_aeu_bit(struct ecore_hwfn *p_hwfn,
+ struct aeu_invert_reg_bit *p_aeu,
+ u32 aeu_en_reg, u32 bitmask)
+{
+ enum _ecore_status_t rc = ECORE_INVAL;
+ u32 val, mask;
+
+#ifndef REMOVE_DBG
+ u32 interrupts[20]; /* TODO- change into HSI define once supplied */
+
+ OSAL_MEMSET(interrupts, 0, sizeof(u32) * 20); /* FIXME real size) */
+#endif
+
+ DP_INFO(p_hwfn, "Deasserted attention `%s'[%08x]\n",
+ p_aeu->bit_name, bitmask);
+
+ /* Call callback before clearing the interrupt status */
+ if (p_aeu->cb) {
+ DP_INFO(p_hwfn, "`%s (attention)': Calling Callback function\n",
+ p_aeu->bit_name);
+ rc = p_aeu->cb(p_hwfn);
+ }
+
+ /* Handle HW block interrupt registers */
+ if (p_aeu->block_index != MAX_BLOCK_ID) {
+ u16 chip_type = ECORE_GET_TYPE(p_hwfn->p_dev);
+ struct attn_hw_block *p_block;
+ int i;
+
+ p_block = &attn_blocks[p_aeu->block_index];
+
+ /* Handle each interrupt register */
+ for (i = 0;
+ i < p_block->chip_regs[chip_type].num_of_int_regs; i++) {
+ struct attn_hw_reg *p_reg_desc;
+ u32 sts_addr;
+
+ p_reg_desc = p_block->chip_regs[chip_type].int_regs[i];
+
+ /* In case of fatal attention, don't clear the status
+ * so it would appear in idle check.
+ */
+ if (rc == ECORE_SUCCESS)
+ sts_addr = p_reg_desc->sts_clr_addr;
+ else
+ sts_addr = p_reg_desc->sts_addr;
+
+ val = ecore_rd(p_hwfn, p_hwfn->p_dpc_ptt, sts_addr);
+ mask = ecore_rd(p_hwfn, p_hwfn->p_dpc_ptt,
+ p_reg_desc->mask_addr);
+ ecore_int_deassertion_print_bit(p_hwfn, p_reg_desc,
+ p_block,
+ ECORE_ATTN_TYPE_ATTN,
+ val, mask);
+
+#ifndef REMOVE_DBG
+ interrupts[i] = val;
+#endif
+ }
+ }
+
+ /* Reach assertion if attention is fatal */
+ if (rc != ECORE_SUCCESS) {
+ DP_NOTICE(p_hwfn, true, "`%s': Fatal attention\n",
+ p_aeu->bit_name);
+
+ ecore_hw_err_notify(p_hwfn, ECORE_HW_ERR_HW_ATTN);
+ }
+
+ /* Prevent this Attention from being asserted in the future */
+ if (p_aeu->flags & ATTENTION_CLEAR_ENABLE) {
+ u32 val;
+ u32 mask = ~bitmask;
+ val = ecore_rd(p_hwfn, p_hwfn->p_dpc_ptt, aeu_en_reg);
+ ecore_wr(p_hwfn, p_hwfn->p_dpc_ptt, aeu_en_reg, (val & mask));
+ DP_INFO(p_hwfn, "`%s' - Disabled future attentions\n",
+ p_aeu->bit_name);
+ }
+
+ if (p_aeu->flags & (ATTENTION_FW_DUMP | ATTENTION_PANIC_DUMP)) {
+ /* @@@TODO - what to dump? <yuvalmin 04/02/13> */
+ DP_ERR(p_hwfn->p_dev, "`%s' - Dumps aren't implemented yet\n",
+ p_aeu->bit_name);
+ return ECORE_NOTIMPL;
+ }
+
+ return rc;
+}
+
+static void ecore_int_parity_print(struct ecore_hwfn *p_hwfn,
+ struct aeu_invert_reg_bit *p_aeu,
+ struct attn_hw_block *p_block, u8 bit_index)
+{
+ u16 chip_type = ECORE_GET_TYPE(p_hwfn->p_dev);
+ int i;
+
+ for (i = 0; i < p_block->chip_regs[chip_type].num_of_prty_regs; i++) {
+ struct attn_hw_reg *p_reg_desc;
+ u32 val, mask;
+
+ p_reg_desc = p_block->chip_regs[chip_type].prty_regs[i];
+
+ val = ecore_rd(p_hwfn, p_hwfn->p_dpc_ptt,
+ p_reg_desc->sts_clr_addr);
+ mask = ecore_rd(p_hwfn, p_hwfn->p_dpc_ptt,
+ p_reg_desc->mask_addr);
+ DP_VERBOSE(p_hwfn, ECORE_MSG_INTR,
+ "%s[%d] - parity register[%d] is %08x [mask is %08x]\n",
+ p_aeu->bit_name, bit_index, i, val, mask);
+ ecore_int_deassertion_print_bit(p_hwfn, p_reg_desc,
+ p_block,
+ ECORE_ATTN_TYPE_PARITY,
+ val, mask);
+ }
+}
+
+/**
+ * @brief ecore_int_deassertion_parity - handle a single parity AEU source
+ *
+ * @param p_hwfn
+ * @param p_aeu - descriptor of an AEU bit which caused the
+ * parity
+ * @param bit_index
+ */
+static void ecore_int_deassertion_parity(struct ecore_hwfn *p_hwfn,
+ struct aeu_invert_reg_bit *p_aeu,
+ u8 bit_index)
+{
+ u32 block_id = p_aeu->block_index;
+
+ DP_INFO(p_hwfn->p_dev, "%s[%d] parity attention is set\n",
+ p_aeu->bit_name, bit_index);
+
+ if (block_id != MAX_BLOCK_ID) {
+ ecore_int_parity_print(p_hwfn, p_aeu, &attn_blocks[block_id],
+ bit_index);
+
+ /* In A0, there's a single parity bit for several blocks */
+ if (block_id == BLOCK_BTB) {
+ ecore_int_parity_print(p_hwfn, p_aeu,
+ &attn_blocks[BLOCK_OPTE],
+ bit_index);
+ ecore_int_parity_print(p_hwfn, p_aeu,
+ &attn_blocks[BLOCK_MCP],
+ bit_index);
+ }
+ }
+}
+
+/**
+ * @brief - handles deassertion of previously asserted attentions.
+ *
+ * @param p_hwfn
+ * @param deasserted_bits - newly deasserted bits
+ * @return enum _ecore_status_t
+ *
+ */
+static enum _ecore_status_t ecore_int_deassertion(struct ecore_hwfn *p_hwfn,
+ u16 deasserted_bits)
+{
+ struct ecore_sb_attn_info *sb_attn_sw = p_hwfn->p_sb_attn;
+ u32 aeu_inv_arr[NUM_ATTN_REGS], aeu_mask;
+ bool b_parity = false;
+ u8 i, j, k, bit_idx;
+ enum _ecore_status_t rc = ECORE_SUCCESS;
+
+ /* Read the attention registers in the AEU */
+ for (i = 0; i < NUM_ATTN_REGS; i++) {
+ aeu_inv_arr[i] = ecore_rd(p_hwfn, p_hwfn->p_dpc_ptt,
+ MISC_REG_AEU_AFTER_INVERT_1_IGU +
+ i * 0x4);
+ DP_VERBOSE(p_hwfn, ECORE_MSG_INTR,
+ "Deasserted bits [%d]: %08x\n", i, aeu_inv_arr[i]);
+ }
+
+ /* Handle parity attentions first */
+ for (i = 0; i < NUM_ATTN_REGS; i++) {
+ struct aeu_invert_reg *p_aeu = &sb_attn_sw->p_aeu_desc[i];
+ u32 en = ecore_rd(p_hwfn, p_hwfn->p_dpc_ptt,
+ MISC_REG_AEU_ENABLE1_IGU_OUT_0 +
+ i * sizeof(u32));
+
+ u32 parities = sb_attn_sw->parity_mask[i] & aeu_inv_arr[i] & en;
+
+ /* Skip register in which no parity bit is currently set */
+ if (!parities)
+ continue;
+
+ for (j = 0, bit_idx = 0; bit_idx < 32; j++) {
+ struct aeu_invert_reg_bit *p_bit = &p_aeu->bits[j];
+
+ if ((p_bit->flags & ATTENTION_PARITY) &&
+ !!(parities & (1 << bit_idx))) {
+ ecore_int_deassertion_parity(p_hwfn, p_bit,
+ bit_idx);
+ b_parity = true;
+ }
+
+ bit_idx += ATTENTION_LENGTH(p_bit->flags);
+ }
+ }
+
+ /* Find non-parity cause for attention and act */
+ for (k = 0; k < MAX_ATTN_GRPS; k++) {
+ struct aeu_invert_reg_bit *p_aeu;
+
+ /* Handle only groups whose attention is currently deasserted */
+ if (!(deasserted_bits & (1 << k)))
+ continue;
+
+ for (i = 0; i < NUM_ATTN_REGS; i++) {
+ u32 aeu_en = MISC_REG_AEU_ENABLE1_IGU_OUT_0 +
+ i * sizeof(u32) + k * sizeof(u32) * NUM_ATTN_REGS;
+ u32 en = ecore_rd(p_hwfn, p_hwfn->p_dpc_ptt, aeu_en);
+ u32 bits = aeu_inv_arr[i] & en;
+
+ /* Skip if no bit from this group is currently set */
+ if (!bits)
+ continue;
+
+ /* Find all set bits from current register which belong
+ * to current group, making them responsible for the
+ * previous assertion.
+ */
+ for (j = 0, bit_idx = 0; bit_idx < 32; j++) {
+ u8 bit, bit_len;
+ u32 bitmask;
+
+ p_aeu = &sb_attn_sw->p_aeu_desc[i].bits[j];
+
+ /* No need to handle attention-only bits */
+ if (p_aeu->flags == ATTENTION_PAR)
+ continue;
+
+ bit = bit_idx;
+ bit_len = ATTENTION_LENGTH(p_aeu->flags);
+ if (p_aeu->flags & ATTENTION_PAR_INT) {
+ /* Skip Parity */
+ bit++;
+ bit_len--;
+ }
+
+ bitmask = bits & (((1 << bit_len) - 1) << bit);
+ if (bitmask) {
+ /* Handle source of the attention */
+ ecore_int_deassertion_aeu_bit(p_hwfn,
+ p_aeu,
+ aeu_en,
+ bitmask);
+ }
+
+ bit_idx += ATTENTION_LENGTH(p_aeu->flags);
+ }
+ }
+ }
+
+ /* Clear IGU indication for the deasserted bits */
+ /* FIXME - this will change once we'll have GOOD gtt definitions */
+ DIRECT_REG_WR(p_hwfn,
+ (u8 OSAL_IOMEM *) p_hwfn->regview +
+ GTT_BAR0_MAP_REG_IGU_CMD +
+ ((IGU_CMD_ATTN_BIT_CLR_UPPER -
+ IGU_CMD_INT_ACK_BASE) << 3), ~((u32)deasserted_bits));
+
+ /* Unmask deasserted attentions in IGU */
+ aeu_mask = ecore_rd(p_hwfn, p_hwfn->p_dpc_ptt,
+ IGU_REG_ATTENTION_ENABLE);
+ aeu_mask |= (deasserted_bits & ATTN_BITS_MASKABLE);
+ ecore_wr(p_hwfn, p_hwfn->p_dpc_ptt, IGU_REG_ATTENTION_ENABLE, aeu_mask);
+
+ /* Clear deassertion from inner state */
+ sb_attn_sw->known_attn &= ~deasserted_bits;
+
+ return rc;
+}
+
+static enum _ecore_status_t ecore_int_attentions(struct ecore_hwfn *p_hwfn)
+{
+ struct ecore_sb_attn_info *p_sb_attn_sw = p_hwfn->p_sb_attn;
+ struct atten_status_block *p_sb_attn = p_sb_attn_sw->sb_attn;
+ u16 index = 0, asserted_bits, deasserted_bits;
+ enum _ecore_status_t rc = ECORE_SUCCESS;
+ u32 attn_bits = 0, attn_acks = 0;
+
+ /* Read current attention bits/acks - safeguard against attentions
+ * by guaranting work on a synchronized timeframe
+ */
+ do {
+ index = OSAL_LE16_TO_CPU(p_sb_attn->sb_index);
+ attn_bits = OSAL_LE32_TO_CPU(p_sb_attn->atten_bits);
+ attn_acks = OSAL_LE32_TO_CPU(p_sb_attn->atten_ack);
+ } while (index != OSAL_LE16_TO_CPU(p_sb_attn->sb_index));
+ p_sb_attn->sb_index = index;
+
+ /* Attention / Deassertion are meaningful (and in correct state)
+ * only when they differ and consistent with known state - deassertion
+ * when previous attention & current ack, and assertion when current
+ * attention with no previous attention
+ */
+ asserted_bits = (attn_bits & ~attn_acks & ATTN_STATE_BITS) &
+ ~p_sb_attn_sw->known_attn;
+ deasserted_bits = (~attn_bits & attn_acks & ATTN_STATE_BITS) &
+ p_sb_attn_sw->known_attn;
+
+ if ((asserted_bits & ~0x100) || (deasserted_bits & ~0x100))
+ DP_INFO(p_hwfn,
+ "Attention: Index: 0x%04x, Bits: 0x%08x, Acks: 0x%08x, asserted: 0x%04x, De-asserted 0x%04x [Prev. known: 0x%04x]\n",
+ index, attn_bits, attn_acks, asserted_bits,
+ deasserted_bits, p_sb_attn_sw->known_attn);
+ else if (asserted_bits == 0x100)
+ DP_INFO(p_hwfn, "MFW indication via attention\n");
+ else
+ DP_VERBOSE(p_hwfn, ECORE_MSG_INTR,
+ "MFW indication [deassertion]\n");
+
+ if (asserted_bits) {
+ rc = ecore_int_assertion(p_hwfn, asserted_bits);
+ if (rc)
+ return rc;
+ }
+
+ if (deasserted_bits)
+ rc = ecore_int_deassertion(p_hwfn, deasserted_bits);
+
+ return rc;
+}
+
static void ecore_sb_ack_attn(struct ecore_hwfn *p_hwfn,
void OSAL_IOMEM *igu_addr, u32 ack_cons)
{
return;
}
+ if (rc & ECORE_SB_ATT_IDX)
+ ecore_int_attentions(p_hwfn);
+
if (rc & ECORE_SB_IDX) {
int pi;
OSAL_FREE(p_hwfn->p_dev, p_sb);
}
+static void ecore_int_sb_attn_setup(struct ecore_hwfn *p_hwfn,
+ struct ecore_ptt *p_ptt)
+{
+ struct ecore_sb_attn_info *sb_info = p_hwfn->p_sb_attn;
+
+ OSAL_MEMSET(sb_info->sb_attn, 0, sizeof(*sb_info->sb_attn));
+
+ sb_info->index = 0;
+ sb_info->known_attn = 0;
+
+ /* Configure Attention Status Block in IGU */
+ ecore_wr(p_hwfn, p_ptt, IGU_REG_ATTN_MSG_ADDR_L,
+ DMA_LO(p_hwfn->p_sb_attn->sb_phys));
+ ecore_wr(p_hwfn, p_ptt, IGU_REG_ATTN_MSG_ADDR_H,
+ DMA_HI(p_hwfn->p_sb_attn->sb_phys));
+}
+
+static void ecore_int_sb_attn_init(struct ecore_hwfn *p_hwfn,
+ struct ecore_ptt *p_ptt,
+ void *sb_virt_addr, dma_addr_t sb_phy_addr)
+{
+ struct ecore_sb_attn_info *sb_info = p_hwfn->p_sb_attn;
+ int i, j, k;
+
+ sb_info->sb_attn = sb_virt_addr;
+ sb_info->sb_phys = sb_phy_addr;
+
+ /* Set the pointer to the AEU descriptors */
+ sb_info->p_aeu_desc = aeu_descs;
+
+ /* Calculate Parity Masks */
+ OSAL_MEMSET(sb_info->parity_mask, 0, sizeof(u32) * NUM_ATTN_REGS);
+ for (i = 0; i < NUM_ATTN_REGS; i++) {
+ /* j is array index, k is bit index */
+ for (j = 0, k = 0; k < 32; j++) {
+ unsigned int flags = aeu_descs[i].bits[j].flags;
+
+ if (flags & ATTENTION_PARITY)
+ sb_info->parity_mask[i] |= 1 << k;
+
+ k += ATTENTION_LENGTH(flags);
+ }
+ DP_VERBOSE(p_hwfn, ECORE_MSG_INTR,
+ "Attn Mask [Reg %d]: 0x%08x\n",
+ i, sb_info->parity_mask[i]);
+ }
+
+ /* Set the address of cleanup for the mcp attention */
+ sb_info->mfw_attn_addr = (p_hwfn->rel_pf_id << 3) +
+ MISC_REG_AEU_GENERAL_ATTN_0;
+
+ ecore_int_sb_attn_setup(p_hwfn, p_ptt);
+}
+
+static enum _ecore_status_t ecore_int_sb_attn_alloc(struct ecore_hwfn *p_hwfn,
+ struct ecore_ptt *p_ptt)
+{
+ struct ecore_dev *p_dev = p_hwfn->p_dev;
+ struct ecore_sb_attn_info *p_sb;
+ dma_addr_t p_phys = 0;
+ void *p_virt;
+
+ /* SB struct */
+ p_sb = OSAL_ALLOC(p_dev, GFP_KERNEL, sizeof(struct ecore_sb_attn_info));
+ if (!p_sb) {
+ DP_NOTICE(p_dev, true,
+ "Failed to allocate `struct ecore_sb_attn_info'");
+ return ECORE_NOMEM;
+ }
+
+ /* SB ring */
+ p_virt = OSAL_DMA_ALLOC_COHERENT(p_dev, &p_phys,
+ SB_ATTN_ALIGNED_SIZE(p_hwfn));
+ if (!p_virt) {
+ DP_NOTICE(p_dev, true,
+ "Failed to allocate status block (attentions)");
+ OSAL_FREE(p_dev, p_sb);
+ return ECORE_NOMEM;
+ }
+
+ /* Attention setup */
+ p_hwfn->p_sb_attn = p_sb;
+ ecore_int_sb_attn_init(p_hwfn, p_ptt, p_virt, p_phys);
+
+ return ECORE_SUCCESS;
+}
+
/* coalescing timeout = timeset << (timer_res + 1) */
#ifdef RTE_LIBRTE_QEDE_RX_COAL_US
#define ECORE_CAU_DEF_RX_USECS RTE_LIBRTE_QEDE_RX_COAL_US
tmp &= ~0x800;
ecore_wr(p_hwfn, p_ptt, MISC_REG_AEU_ENABLE4_IGU_OUT_0, tmp);
+ /* @@@tmp - Mask interrupt sources - should move to init tool;
+ * Also, correct for A0 [might still change in B0.
+ */
+ reg_addr =
+ attn_blocks[BLOCK_BRB].chip_regs[ECORE_GET_TYPE(p_hwfn->p_dev)].
+ int_regs[0]->mask_addr;
+ tmp = ecore_rd(p_hwfn, p_ptt, reg_addr);
+ tmp |= (1 << 21); /* Was PKT4_LEN_ERROR */
+ ecore_wr(p_hwfn, p_ptt, reg_addr, tmp);
+
ecore_int_igu_enable_attn(p_hwfn, p_ptt);
if ((int_mode != ECORE_INT_MODE_INTA) || IS_LEAD_HWFN(p_hwfn)) {
return rc;
}
+ rc = ecore_int_sb_attn_alloc(p_hwfn, p_ptt);
+ if (rc != ECORE_SUCCESS)
+ DP_ERR(p_hwfn->p_dev, "Failed to allocate sb attn mem\n");
+
return rc;
}
return;
ecore_int_sb_setup(p_hwfn, p_ptt, &p_hwfn->p_sp_sb->sb_info);
+ ecore_int_sb_attn_setup(p_hwfn, p_ptt);
ecore_int_sp_dpc_setup(p_hwfn);
}
git.droids-corp.org / dpdk.git / blobdiff