svn commit: r321582 - in head/sys/dev/cxgbe: . common
Navdeep Parhar
np at FreeBSD.org
Wed Jul 26 20:20:59 UTC 2017
Author: np
Date: Wed Jul 26 20:20:58 2017
New Revision: 321582
URL: https://svnweb.freebsd.org/changeset/base/321582
Log:
cxgbe(4): Some updates to the common code.
- Updated register ranges.
- Helper routines for access to TP registers.
- Updated routine to read flash parameters.
Obtained from: Chelsio Communications
MFC after: 2 weeks
Sponsored by: Chelsio Communications
Modified:
head/sys/dev/cxgbe/common/common.h
head/sys/dev/cxgbe/common/t4_hw.c
head/sys/dev/cxgbe/t4_main.c
head/sys/dev/cxgbe/t4_sge.c
Modified: head/sys/dev/cxgbe/common/common.h
==============================================================================
--- head/sys/dev/cxgbe/common/common.h Wed Jul 26 20:07:05 2017 (r321581)
+++ head/sys/dev/cxgbe/common/common.h Wed Jul 26 20:20:58 2017 (r321582)
@@ -587,7 +587,7 @@ int t4_prep_adapter(struct adapter *adapter, u8 *buf);
int t4_shutdown_adapter(struct adapter *adapter);
int t4_init_devlog_params(struct adapter *adapter, int fw_attach);
int t4_init_sge_params(struct adapter *adapter);
-int t4_init_tp_params(struct adapter *adap);
+int t4_init_tp_params(struct adapter *adap, bool sleep_ok);
int t4_filter_field_shift(const struct adapter *adap, int filter_sel);
int t4_port_init(struct adapter *adap, int mbox, int pf, int vf, int port_id);
void t4_fatal_err(struct adapter *adapter);
@@ -605,20 +605,21 @@ int t4_config_vi_rss(struct adapter *adapter, int mbox
unsigned int flags, unsigned int defq, unsigned int skeyidx,
unsigned int skey);
int t4_read_rss(struct adapter *adapter, u16 *entries);
-void t4_fw_tp_pio_rw(struct adapter *adap, u32 *vals, unsigned int nregs,
- unsigned int start_index, unsigned int rw);
-void t4_read_rss_key(struct adapter *adapter, u32 *key);
-void t4_write_rss_key(struct adapter *adap, u32 *key, int idx);
-void t4_read_rss_pf_config(struct adapter *adapter, unsigned int index, u32 *valp);
-void t4_write_rss_pf_config(struct adapter *adapter, unsigned int index, u32 val);
+void t4_read_rss_key(struct adapter *adapter, u32 *key, bool sleep_ok);
+void t4_write_rss_key(struct adapter *adap, const u32 *key, int idx,
+ bool sleep_ok);
+void t4_read_rss_pf_config(struct adapter *adapter, unsigned int index,
+ u32 *valp, bool sleep_ok);
+void t4_write_rss_pf_config(struct adapter *adapter, unsigned int index,
+ u32 val, bool sleep_ok);
void t4_read_rss_vf_config(struct adapter *adapter, unsigned int index,
- u32 *vfl, u32 *vfh);
+ u32 *vfl, u32 *vfh, bool sleep_ok);
void t4_write_rss_vf_config(struct adapter *adapter, unsigned int index,
- u32 vfl, u32 vfh);
-u32 t4_read_rss_pf_map(struct adapter *adapter);
-void t4_write_rss_pf_map(struct adapter *adapter, u32 pfmap);
-u32 t4_read_rss_pf_mask(struct adapter *adapter);
-void t4_write_rss_pf_mask(struct adapter *adapter, u32 pfmask);
+ u32 vfl, u32 vfh, bool sleep_ok);
+u32 t4_read_rss_pf_map(struct adapter *adapter, bool sleep_ok);
+void t4_write_rss_pf_map(struct adapter *adapter, u32 pfmap, bool sleep_ok);
+u32 t4_read_rss_pf_mask(struct adapter *adapter, bool sleep_ok);
+void t4_write_rss_pf_mask(struct adapter *adapter, u32 pfmask, bool sleep_ok);
int t4_mps_set_active_ports(struct adapter *adap, unsigned int port_mask);
void t4_pmtx_get_stats(struct adapter *adap, u32 cnt[], u64 cycles[]);
void t4_pmrx_get_stats(struct adapter *adap, u32 cnt[], u64 cycles[]);
@@ -664,19 +665,24 @@ void t4_read_mtu_tbl(struct adapter *adap, u16 *mtus,
void t4_read_cong_tbl(struct adapter *adap, u16 incr[NMTUS][NCCTRL_WIN]);
void t4_read_pace_tbl(struct adapter *adap, unsigned int pace_vals[NTX_SCHED]);
void t4_get_tx_sched(struct adapter *adap, unsigned int sched, unsigned int *kbps,
- unsigned int *ipg);
+ unsigned int *ipg, bool sleep_ok);
void t4_tp_wr_bits_indirect(struct adapter *adap, unsigned int addr,
unsigned int mask, unsigned int val);
void t4_tp_read_la(struct adapter *adap, u64 *la_buf, unsigned int *wrptr);
-void t4_tp_get_err_stats(struct adapter *adap, struct tp_err_stats *st);
-void t4_tp_get_proxy_stats(struct adapter *adap, struct tp_proxy_stats *st);
-void t4_tp_get_cpl_stats(struct adapter *adap, struct tp_cpl_stats *st);
-void t4_tp_get_rdma_stats(struct adapter *adap, struct tp_rdma_stats *st);
-void t4_get_usm_stats(struct adapter *adap, struct tp_usm_stats *st);
+void t4_tp_get_err_stats(struct adapter *adap, struct tp_err_stats *st,
+ bool sleep_ok);
+void t4_tp_get_proxy_stats(struct adapter *adap, struct tp_proxy_stats *st,
+ bool sleep_ok);
+void t4_tp_get_cpl_stats(struct adapter *adap, struct tp_cpl_stats *st,
+ bool sleep_ok);
+void t4_tp_get_rdma_stats(struct adapter *adap, struct tp_rdma_stats *st,
+ bool sleep_ok);
+void t4_get_usm_stats(struct adapter *adap, struct tp_usm_stats *st,
+ bool sleep_ok);
void t4_tp_get_tcp_stats(struct adapter *adap, struct tp_tcp_stats *v4,
- struct tp_tcp_stats *v6);
+ struct tp_tcp_stats *v6, bool sleep_ok);
void t4_get_fcoe_stats(struct adapter *adap, unsigned int idx,
- struct tp_fcoe_stats *st);
+ struct tp_fcoe_stats *st, bool sleep_ok);
void t4_load_mtus(struct adapter *adap, const unsigned short *mtus,
const unsigned short *alpha, const unsigned short *beta);
@@ -687,7 +693,8 @@ int t4_set_sched_ipg(struct adapter *adap, int sched,
int t4_set_pace_tbl(struct adapter *adap, const unsigned int *pace_vals,
unsigned int start, unsigned int n);
void t4_get_chan_txrate(struct adapter *adap, u64 *nic_rate, u64 *ofld_rate);
-int t4_set_filter_mode(struct adapter *adap, unsigned int mode_map);
+int t4_set_filter_mode(struct adapter *adap, unsigned int mode_map,
+ bool sleep_ok);
void t4_mk_filtdelwr(unsigned int ftid, struct fw_filter_wr *wr, int qid);
void t4_wol_magic_enable(struct adapter *adap, unsigned int port, const u8 *addr);
@@ -801,6 +808,15 @@ int t4_config_watchdog(struct adapter *adapter, unsign
int t4_get_devlog_level(struct adapter *adapter, unsigned int *level);
int t4_set_devlog_level(struct adapter *adapter, unsigned int level);
void t4_sge_decode_idma_state(struct adapter *adapter, int state);
+
+void t4_tp_pio_read(struct adapter *adap, u32 *buff, u32 nregs,
+ u32 start_index, bool sleep_ok);
+void t4_tp_pio_write(struct adapter *adap, const u32 *buff, u32 nregs,
+ u32 start_index, bool sleep_ok);
+void t4_tp_tm_pio_read(struct adapter *adap, u32 *buff, u32 nregs,
+ u32 start_index, bool sleep_ok);
+void t4_tp_mib_read(struct adapter *adap, u32 *buff, u32 nregs,
+ u32 start_index, bool sleep_ok);
static inline int t4vf_query_params(struct adapter *adapter,
unsigned int nparams, const u32 *params,
Modified: head/sys/dev/cxgbe/common/t4_hw.c
==============================================================================
--- head/sys/dev/cxgbe/common/t4_hw.c Wed Jul 26 20:07:05 2017 (r321581)
+++ head/sys/dev/cxgbe/common/t4_hw.c Wed Jul 26 20:20:58 2017 (r321582)
@@ -469,7 +469,7 @@ static int t4_edc_err_read(struct adapter *adap, int i
CH_WARN(adap, "%s: T4 NOT supported.\n", __func__);
return 0;
}
- if (idx != 0 && idx != 1) {
+ if (idx != MEM_EDC0 && idx != MEM_EDC1) {
CH_WARN(adap, "%s: idx %d NOT supported.\n", __func__, idx);
return 0;
}
@@ -886,7 +886,8 @@ void t4_get_regs(struct adapter *adap, u8 *buf, size_t
0xd010, 0xd03c,
0xdfc0, 0xdfe0,
0xe000, 0xea7c,
- 0xf000, 0x11190,
+ 0xf000, 0x11110,
+ 0x11118, 0x11190,
0x19040, 0x1906c,
0x19078, 0x19080,
0x1908c, 0x190e4,
@@ -1424,8 +1425,6 @@ void t4_get_regs(struct adapter *adap, u8 *buf, size_t
0x1ff00, 0x1ff84,
0x1ffc0, 0x1ffc8,
0x30000, 0x30030,
- 0x30038, 0x30038,
- 0x30040, 0x30040,
0x30100, 0x30144,
0x30190, 0x301a0,
0x301a8, 0x301b8,
@@ -1536,8 +1535,6 @@ void t4_get_regs(struct adapter *adap, u8 *buf, size_t
0x33c3c, 0x33c50,
0x33cf0, 0x33cfc,
0x34000, 0x34030,
- 0x34038, 0x34038,
- 0x34040, 0x34040,
0x34100, 0x34144,
0x34190, 0x341a0,
0x341a8, 0x341b8,
@@ -1648,8 +1645,6 @@ void t4_get_regs(struct adapter *adap, u8 *buf, size_t
0x37c3c, 0x37c50,
0x37cf0, 0x37cfc,
0x38000, 0x38030,
- 0x38038, 0x38038,
- 0x38040, 0x38040,
0x38100, 0x38144,
0x38190, 0x381a0,
0x381a8, 0x381b8,
@@ -1760,8 +1755,6 @@ void t4_get_regs(struct adapter *adap, u8 *buf, size_t
0x3bc3c, 0x3bc50,
0x3bcf0, 0x3bcfc,
0x3c000, 0x3c030,
- 0x3c038, 0x3c038,
- 0x3c040, 0x3c040,
0x3c100, 0x3c144,
0x3c190, 0x3c1a0,
0x3c1a8, 0x3c1b8,
@@ -2254,13 +2247,6 @@ void t4_get_regs(struct adapter *adap, u8 *buf, size_t
0x1ff00, 0x1ff84,
0x1ffc0, 0x1ffc8,
0x30000, 0x30030,
- 0x30038, 0x30038,
- 0x30040, 0x30040,
- 0x30048, 0x30048,
- 0x30050, 0x30050,
- 0x3005c, 0x30060,
- 0x30068, 0x30068,
- 0x30070, 0x30070,
0x30100, 0x30168,
0x30190, 0x301a0,
0x301a8, 0x301b8,
@@ -2323,13 +2309,12 @@ void t4_get_regs(struct adapter *adap, u8 *buf, size_t
0x326a8, 0x326a8,
0x326ec, 0x326ec,
0x32a00, 0x32abc,
- 0x32b00, 0x32b38,
+ 0x32b00, 0x32b18,
+ 0x32b20, 0x32b38,
0x32b40, 0x32b58,
0x32b60, 0x32b78,
0x32c00, 0x32c00,
0x32c08, 0x32c3c,
- 0x32e00, 0x32e2c,
- 0x32f00, 0x32f2c,
0x33000, 0x3302c,
0x33034, 0x33050,
0x33058, 0x33058,
@@ -2394,13 +2379,6 @@ void t4_get_regs(struct adapter *adap, u8 *buf, size_t
0x33c38, 0x33c50,
0x33cf0, 0x33cfc,
0x34000, 0x34030,
- 0x34038, 0x34038,
- 0x34040, 0x34040,
- 0x34048, 0x34048,
- 0x34050, 0x34050,
- 0x3405c, 0x34060,
- 0x34068, 0x34068,
- 0x34070, 0x34070,
0x34100, 0x34168,
0x34190, 0x341a0,
0x341a8, 0x341b8,
@@ -2463,13 +2441,12 @@ void t4_get_regs(struct adapter *adap, u8 *buf, size_t
0x366a8, 0x366a8,
0x366ec, 0x366ec,
0x36a00, 0x36abc,
- 0x36b00, 0x36b38,
+ 0x36b00, 0x36b18,
+ 0x36b20, 0x36b38,
0x36b40, 0x36b58,
0x36b60, 0x36b78,
0x36c00, 0x36c00,
0x36c08, 0x36c3c,
- 0x36e00, 0x36e2c,
- 0x36f00, 0x36f2c,
0x37000, 0x3702c,
0x37034, 0x37050,
0x37058, 0x37058,
@@ -2700,6 +2677,7 @@ struct t4_vpd_hdr {
#define EEPROM_MAX_POLL 5000 /* x 5000 == 50ms */
#define EEPROM_STAT_ADDR 0x7bfc
+#define VPD_SIZE 0x800
#define VPD_BASE 0x400
#define VPD_BASE_OLD 0
#define VPD_LEN 1024
@@ -3040,13 +3018,13 @@ enum {
SF_ATTEMPTS = 10, /* max retries for SF operations */
/* flash command opcodes */
- SF_PROG_PAGE = 2, /* program page */
+ SF_PROG_PAGE = 2, /* program 256B page */
SF_WR_DISABLE = 4, /* disable writes */
SF_RD_STATUS = 5, /* read status register */
SF_WR_ENABLE = 6, /* enable writes */
SF_RD_DATA_FAST = 0xb, /* read flash */
SF_RD_ID = 0x9f, /* read ID */
- SF_ERASE_SECTOR = 0xd8, /* erase sector */
+ SF_ERASE_SECTOR = 0xd8, /* erase 64KB sector */
};
/**
@@ -3994,6 +3972,9 @@ static void sge_intr_handler(struct adapter *adapter)
"SGE too many priority ingress contexts", -1, 0 },
{ F_INGRESS_SIZE_ERR, "SGE illegal ingress QID", -1, 0 },
{ F_EGRESS_SIZE_ERR, "SGE illegal egress QID", -1, 0 },
+ { F_ERR_PCIE_ERROR0 | F_ERR_PCIE_ERROR1 |
+ F_ERR_PCIE_ERROR2 | F_ERR_PCIE_ERROR3,
+ "SGE PCIe error for a DBP thread", -1, 0 },
{ 0 }
};
@@ -4009,8 +3990,6 @@ static void sge_intr_handler(struct adapter *adapter)
* For now, treat below interrupts as fatal so that we disable SGE and
* get better debug */
static const struct intr_info t6_sge_intr_info[] = {
- { F_ERR_PCIE_ERROR0 | F_ERR_PCIE_ERROR1,
- "SGE PCIe error for a DBP thread", -1, 1 },
{ F_FATAL_WRE_LEN,
"SGE Actual WRE packet is less than advertized length",
-1, 1 },
@@ -4065,6 +4044,7 @@ static void cim_intr_handler(struct adapter *adapter)
{ F_MBHOSTPARERR, "CIM mailbox host parity error", -1, 1 },
{ F_TIEQINPARERRINT, "CIM TIEQ outgoing parity error", -1, 1 },
{ F_TIEQOUTPARERRINT, "CIM TIEQ incoming parity error", -1, 1 },
+ { F_TIMER0INT, "CIM TIMER0 interrupt", -1, 1 },
{ 0 }
};
static const struct intr_info cim_upintr_info[] = {
@@ -4098,11 +4078,26 @@ static void cim_intr_handler(struct adapter *adapter)
{ F_TIMEOUTMAINT , "CIM PIF MA timeout", -1, 1 },
{ 0 }
};
+ u32 val, fw_err;
int fat;
- if (t4_read_reg(adapter, A_PCIE_FW) & F_PCIE_FW_ERR)
+ fw_err = t4_read_reg(adapter, A_PCIE_FW);
+ if (fw_err & F_PCIE_FW_ERR)
t4_report_fw_error(adapter);
+ /* When the Firmware detects an internal error which normally wouldn't
+ * raise a Host Interrupt, it forces a CIM Timer0 interrupt in order
+ * to make sure the Host sees the Firmware Crash. So if we have a
+ * Timer0 interrupt and don't see a Firmware Crash, ignore the Timer0
+ * interrupt.
+ */
+ val = t4_read_reg(adapter, A_CIM_HOST_INT_CAUSE);
+ if (val & F_TIMER0INT)
+ if (!(fw_err & F_PCIE_FW_ERR) ||
+ (G_PCIE_FW_EVAL(fw_err) != PCIE_FW_EVAL_CRASH))
+ t4_write_reg(adapter, A_CIM_HOST_INT_CAUSE,
+ F_TIMER0INT);
+
fat = t4_handle_intr_status(adapter, A_CIM_HOST_INT_CAUSE,
cim_intr_info) +
t4_handle_intr_status(adapter, A_CIM_HOST_UPACC_INT_CAUSE,
@@ -4850,55 +4845,177 @@ int t4_read_rss(struct adapter *adapter, u16 *map)
}
/**
- * t4_fw_tp_pio_rw - Access TP PIO through LDST
- * @adap: the adapter
- * @vals: where the indirect register values are stored/written
- * @nregs: how many indirect registers to read/write
- * @start_idx: index of first indirect register to read/write
- * @rw: Read (1) or Write (0)
+ * t4_tp_fw_ldst_rw - Access TP indirect register through LDST
+ * @adap: the adapter
+ * @cmd: TP fw ldst address space type
+ * @vals: where the indirect register values are stored/written
+ * @nregs: how many indirect registers to read/write
+ * @start_idx: index of first indirect register to read/write
+ * @rw: Read (1) or Write (0)
+ * @sleep_ok: if true we may sleep while awaiting command completion
*
- * Access TP PIO registers through LDST
- */
-void t4_fw_tp_pio_rw(struct adapter *adap, u32 *vals, unsigned int nregs,
- unsigned int start_index, unsigned int rw)
+ * Access TP indirect registers through LDST
+ **/
+static int t4_tp_fw_ldst_rw(struct adapter *adap, int cmd, u32 *vals,
+ unsigned int nregs, unsigned int start_index,
+ unsigned int rw, bool sleep_ok)
{
- int ret, i;
- int cmd = FW_LDST_ADDRSPC_TP_PIO;
+ int ret = 0;
+ unsigned int i;
struct fw_ldst_cmd c;
- for (i = 0 ; i < nregs; i++) {
+ for (i = 0; i < nregs; i++) {
memset(&c, 0, sizeof(c));
c.op_to_addrspace = cpu_to_be32(V_FW_CMD_OP(FW_LDST_CMD) |
F_FW_CMD_REQUEST |
(rw ? F_FW_CMD_READ :
- F_FW_CMD_WRITE) |
+ F_FW_CMD_WRITE) |
V_FW_LDST_CMD_ADDRSPACE(cmd));
c.cycles_to_len16 = cpu_to_be32(FW_LEN16(c));
c.u.addrval.addr = cpu_to_be32(start_index + i);
c.u.addrval.val = rw ? 0 : cpu_to_be32(vals[i]);
- ret = t4_wr_mbox(adap, adap->mbox, &c, sizeof(c), &c);
- if (ret == 0) {
- if (rw)
- vals[i] = be32_to_cpu(c.u.addrval.val);
- }
+ ret = t4_wr_mbox_meat(adap, adap->mbox, &c, sizeof(c), &c,
+ sleep_ok);
+ if (ret)
+ return ret;
+
+ if (rw)
+ vals[i] = be32_to_cpu(c.u.addrval.val);
}
+ return 0;
}
/**
+ * t4_tp_indirect_rw - Read/Write TP indirect register through LDST or backdoor
+ * @adap: the adapter
+ * @reg_addr: Address Register
+ * @reg_data: Data register
+ * @buff: where the indirect register values are stored/written
+ * @nregs: how many indirect registers to read/write
+ * @start_index: index of first indirect register to read/write
+ * @rw: READ(1) or WRITE(0)
+ * @sleep_ok: if true we may sleep while awaiting command completion
+ *
+ * Read/Write TP indirect registers through LDST if possible.
+ * Else, use backdoor access
+ **/
+static void t4_tp_indirect_rw(struct adapter *adap, u32 reg_addr, u32 reg_data,
+ u32 *buff, u32 nregs, u32 start_index, int rw,
+ bool sleep_ok)
+{
+ int rc = -EINVAL;
+ int cmd;
+
+ switch (reg_addr) {
+ case A_TP_PIO_ADDR:
+ cmd = FW_LDST_ADDRSPC_TP_PIO;
+ break;
+ case A_TP_TM_PIO_ADDR:
+ cmd = FW_LDST_ADDRSPC_TP_TM_PIO;
+ break;
+ case A_TP_MIB_INDEX:
+ cmd = FW_LDST_ADDRSPC_TP_MIB;
+ break;
+ default:
+ goto indirect_access;
+ }
+
+ if (t4_use_ldst(adap))
+ rc = t4_tp_fw_ldst_rw(adap, cmd, buff, nregs, start_index, rw,
+ sleep_ok);
+
+indirect_access:
+
+ if (rc) {
+ if (rw)
+ t4_read_indirect(adap, reg_addr, reg_data, buff, nregs,
+ start_index);
+ else
+ t4_write_indirect(adap, reg_addr, reg_data, buff, nregs,
+ start_index);
+ }
+}
+
+/**
+ * t4_tp_pio_read - Read TP PIO registers
+ * @adap: the adapter
+ * @buff: where the indirect register values are written
+ * @nregs: how many indirect registers to read
+ * @start_index: index of first indirect register to read
+ * @sleep_ok: if true we may sleep while awaiting command completion
+ *
+ * Read TP PIO Registers
+ **/
+void t4_tp_pio_read(struct adapter *adap, u32 *buff, u32 nregs,
+ u32 start_index, bool sleep_ok)
+{
+ t4_tp_indirect_rw(adap, A_TP_PIO_ADDR, A_TP_PIO_DATA, buff, nregs,
+ start_index, 1, sleep_ok);
+}
+
+/**
+ * t4_tp_pio_write - Write TP PIO registers
+ * @adap: the adapter
+ * @buff: where the indirect register values are stored
+ * @nregs: how many indirect registers to write
+ * @start_index: index of first indirect register to write
+ * @sleep_ok: if true we may sleep while awaiting command completion
+ *
+ * Write TP PIO Registers
+ **/
+void t4_tp_pio_write(struct adapter *adap, const u32 *buff, u32 nregs,
+ u32 start_index, bool sleep_ok)
+{
+ t4_tp_indirect_rw(adap, A_TP_PIO_ADDR, A_TP_PIO_DATA,
+ __DECONST(u32 *, buff), nregs, start_index, 0, sleep_ok);
+}
+
+/**
+ * t4_tp_tm_pio_read - Read TP TM PIO registers
+ * @adap: the adapter
+ * @buff: where the indirect register values are written
+ * @nregs: how many indirect registers to read
+ * @start_index: index of first indirect register to read
+ * @sleep_ok: if true we may sleep while awaiting command completion
+ *
+ * Read TP TM PIO Registers
+ **/
+void t4_tp_tm_pio_read(struct adapter *adap, u32 *buff, u32 nregs,
+ u32 start_index, bool sleep_ok)
+{
+ t4_tp_indirect_rw(adap, A_TP_TM_PIO_ADDR, A_TP_TM_PIO_DATA, buff,
+ nregs, start_index, 1, sleep_ok);
+}
+
+/**
+ * t4_tp_mib_read - Read TP MIB registers
+ * @adap: the adapter
+ * @buff: where the indirect register values are written
+ * @nregs: how many indirect registers to read
+ * @start_index: index of first indirect register to read
+ * @sleep_ok: if true we may sleep while awaiting command completion
+ *
+ * Read TP MIB Registers
+ **/
+void t4_tp_mib_read(struct adapter *adap, u32 *buff, u32 nregs, u32 start_index,
+ bool sleep_ok)
+{
+ t4_tp_indirect_rw(adap, A_TP_MIB_INDEX, A_TP_MIB_DATA, buff, nregs,
+ start_index, 1, sleep_ok);
+}
+
+/**
* t4_read_rss_key - read the global RSS key
* @adap: the adapter
* @key: 10-entry array holding the 320-bit RSS key
+ * @sleep_ok: if true we may sleep while awaiting command completion
*
* Reads the global 320-bit RSS key.
*/
-void t4_read_rss_key(struct adapter *adap, u32 *key)
+void t4_read_rss_key(struct adapter *adap, u32 *key, bool sleep_ok)
{
- if (t4_use_ldst(adap))
- t4_fw_tp_pio_rw(adap, key, 10, A_TP_RSS_SECRET_KEY0, 1);
- else
- t4_read_indirect(adap, A_TP_PIO_ADDR, A_TP_PIO_DATA, key, 10,
- A_TP_RSS_SECRET_KEY0);
+ t4_tp_pio_read(adap, key, 10, A_TP_RSS_SECRET_KEY0, sleep_ok);
}
/**
@@ -4906,12 +5023,14 @@ void t4_read_rss_key(struct adapter *adap, u32 *key)
* @adap: the adapter
* @key: 10-entry array holding the 320-bit RSS key
* @idx: which RSS key to write
+ * @sleep_ok: if true we may sleep while awaiting command completion
*
* Writes one of the RSS keys with the given 320-bit value. If @idx is
* 0..15 the corresponding entry in the RSS key table is written,
* otherwise the global RSS key is written.
*/
-void t4_write_rss_key(struct adapter *adap, u32 *key, int idx)
+void t4_write_rss_key(struct adapter *adap, const u32 *key, int idx,
+ bool sleep_ok)
{
u8 rss_key_addr_cnt = 16;
u32 vrt = t4_read_reg(adap, A_TP_RSS_CONFIG_VRT);
@@ -4925,11 +5044,7 @@ void t4_write_rss_key(struct adapter *adap, u32 *key,
(vrt & F_KEYEXTEND) && (G_KEYMODE(vrt) == 3))
rss_key_addr_cnt = 32;
- if (t4_use_ldst(adap))
- t4_fw_tp_pio_rw(adap, key, 10, A_TP_RSS_SECRET_KEY0, 0);
- else
- t4_write_indirect(adap, A_TP_PIO_ADDR, A_TP_PIO_DATA, key, 10,
- A_TP_RSS_SECRET_KEY0);
+ t4_tp_pio_write(adap, key, 10, A_TP_RSS_SECRET_KEY0, sleep_ok);
if (idx >= 0 && idx < rss_key_addr_cnt) {
if (rss_key_addr_cnt > 16)
@@ -4947,19 +5062,15 @@ void t4_write_rss_key(struct adapter *adap, u32 *key,
* @adapter: the adapter
* @index: the entry in the PF RSS table to read
* @valp: where to store the returned value
+ * @sleep_ok: if true we may sleep while awaiting command completion
*
* Reads the PF RSS Configuration Table at the specified index and returns
* the value found there.
*/
void t4_read_rss_pf_config(struct adapter *adapter, unsigned int index,
- u32 *valp)
+ u32 *valp, bool sleep_ok)
{
- if (t4_use_ldst(adapter))
- t4_fw_tp_pio_rw(adapter, valp, 1,
- A_TP_RSS_PF0_CONFIG + index, 1);
- else
- t4_read_indirect(adapter, A_TP_PIO_ADDR, A_TP_PIO_DATA,
- valp, 1, A_TP_RSS_PF0_CONFIG + index);
+ t4_tp_pio_read(adapter, valp, 1, A_TP_RSS_PF0_CONFIG + index, sleep_ok);
}
/**
@@ -4967,19 +5078,16 @@ void t4_read_rss_pf_config(struct adapter *adapter, un
* @adapter: the adapter
* @index: the entry in the VF RSS table to read
* @val: the value to store
+ * @sleep_ok: if true we may sleep while awaiting command completion
*
* Writes the PF RSS Configuration Table at the specified index with the
* specified value.
*/
void t4_write_rss_pf_config(struct adapter *adapter, unsigned int index,
- u32 val)
+ u32 val, bool sleep_ok)
{
- if (t4_use_ldst(adapter))
- t4_fw_tp_pio_rw(adapter, &val, 1,
- A_TP_RSS_PF0_CONFIG + index, 0);
- else
- t4_write_indirect(adapter, A_TP_PIO_ADDR, A_TP_PIO_DATA,
- &val, 1, A_TP_RSS_PF0_CONFIG + index);
+ t4_tp_pio_write(adapter, &val, 1, A_TP_RSS_PF0_CONFIG + index,
+ sleep_ok);
}
/**
@@ -4988,12 +5096,13 @@ void t4_write_rss_pf_config(struct adapter *adapter, u
* @index: the entry in the VF RSS table to read
* @vfl: where to store the returned VFL
* @vfh: where to store the returned VFH
+ * @sleep_ok: if true we may sleep while awaiting command completion
*
* Reads the VF RSS Configuration Table at the specified index and returns
* the (VFL, VFH) values found there.
*/
void t4_read_rss_vf_config(struct adapter *adapter, unsigned int index,
- u32 *vfl, u32 *vfh)
+ u32 *vfl, u32 *vfh, bool sleep_ok)
{
u32 vrt, mask, data;
@@ -5015,15 +5124,8 @@ void t4_read_rss_vf_config(struct adapter *adapter, un
/*
* Grab the VFL/VFH values ...
*/
- if (t4_use_ldst(adapter)) {
- t4_fw_tp_pio_rw(adapter, vfl, 1, A_TP_RSS_VFL_CONFIG, 1);
- t4_fw_tp_pio_rw(adapter, vfh, 1, A_TP_RSS_VFH_CONFIG, 1);
- } else {
- t4_read_indirect(adapter, A_TP_PIO_ADDR, A_TP_PIO_DATA,
- vfl, 1, A_TP_RSS_VFL_CONFIG);
- t4_read_indirect(adapter, A_TP_PIO_ADDR, A_TP_PIO_DATA,
- vfh, 1, A_TP_RSS_VFH_CONFIG);
- }
+ t4_tp_pio_read(adapter, vfl, 1, A_TP_RSS_VFL_CONFIG, sleep_ok);
+ t4_tp_pio_read(adapter, vfh, 1, A_TP_RSS_VFH_CONFIG, sleep_ok);
}
/**
@@ -5038,7 +5140,7 @@ void t4_read_rss_vf_config(struct adapter *adapter, un
* specified (VFL, VFH) values.
*/
void t4_write_rss_vf_config(struct adapter *adapter, unsigned int index,
- u32 vfl, u32 vfh)
+ u32 vfl, u32 vfh, bool sleep_ok)
{
u32 vrt, mask, data;
@@ -5053,15 +5155,8 @@ void t4_write_rss_vf_config(struct adapter *adapter, u
/*
* Load up VFL/VFH with the values to be written ...
*/
- if (t4_use_ldst(adapter)) {
- t4_fw_tp_pio_rw(adapter, &vfl, 1, A_TP_RSS_VFL_CONFIG, 0);
- t4_fw_tp_pio_rw(adapter, &vfh, 1, A_TP_RSS_VFH_CONFIG, 0);
- } else {
- t4_write_indirect(adapter, A_TP_PIO_ADDR, A_TP_PIO_DATA,
- &vfl, 1, A_TP_RSS_VFL_CONFIG);
- t4_write_indirect(adapter, A_TP_PIO_ADDR, A_TP_PIO_DATA,
- &vfh, 1, A_TP_RSS_VFH_CONFIG);
- }
+ t4_tp_pio_write(adapter, &vfl, 1, A_TP_RSS_VFL_CONFIG, sleep_ok);
+ t4_tp_pio_write(adapter, &vfh, 1, A_TP_RSS_VFH_CONFIG, sleep_ok);
/*
* Write the VFL/VFH into the VF Table at index'th location.
@@ -5075,18 +5170,16 @@ void t4_write_rss_vf_config(struct adapter *adapter, u
/**
* t4_read_rss_pf_map - read PF RSS Map
* @adapter: the adapter
+ * @sleep_ok: if true we may sleep while awaiting command completion
*
* Reads the PF RSS Map register and returns its value.
*/
-u32 t4_read_rss_pf_map(struct adapter *adapter)
+u32 t4_read_rss_pf_map(struct adapter *adapter, bool sleep_ok)
{
u32 pfmap;
- if (t4_use_ldst(adapter))
- t4_fw_tp_pio_rw(adapter, &pfmap, 1, A_TP_RSS_PF_MAP, 1);
- else
- t4_read_indirect(adapter, A_TP_PIO_ADDR, A_TP_PIO_DATA,
- &pfmap, 1, A_TP_RSS_PF_MAP);
+ t4_tp_pio_read(adapter, &pfmap, 1, A_TP_RSS_PF_MAP, sleep_ok);
+
return pfmap;
}
@@ -5097,30 +5190,24 @@ u32 t4_read_rss_pf_map(struct adapter *adapter)
*
* Writes the specified value to the PF RSS Map register.
*/
-void t4_write_rss_pf_map(struct adapter *adapter, u32 pfmap)
+void t4_write_rss_pf_map(struct adapter *adapter, u32 pfmap, bool sleep_ok)
{
- if (t4_use_ldst(adapter))
- t4_fw_tp_pio_rw(adapter, &pfmap, 1, A_TP_RSS_PF_MAP, 0);
- else
- t4_write_indirect(adapter, A_TP_PIO_ADDR, A_TP_PIO_DATA,
- &pfmap, 1, A_TP_RSS_PF_MAP);
+ t4_tp_pio_write(adapter, &pfmap, 1, A_TP_RSS_PF_MAP, sleep_ok);
}
/**
* t4_read_rss_pf_mask - read PF RSS Mask
* @adapter: the adapter
+ * @sleep_ok: if true we may sleep while awaiting command completion
*
* Reads the PF RSS Mask register and returns its value.
*/
-u32 t4_read_rss_pf_mask(struct adapter *adapter)
+u32 t4_read_rss_pf_mask(struct adapter *adapter, bool sleep_ok)
{
u32 pfmask;
- if (t4_use_ldst(adapter))
- t4_fw_tp_pio_rw(adapter, &pfmask, 1, A_TP_RSS_PF_MSK, 1);
- else
- t4_read_indirect(adapter, A_TP_PIO_ADDR, A_TP_PIO_DATA,
- &pfmask, 1, A_TP_RSS_PF_MSK);
+ t4_tp_pio_read(adapter, &pfmask, 1, A_TP_RSS_PF_MSK, sleep_ok);
+
return pfmask;
}
@@ -5131,13 +5218,9 @@ u32 t4_read_rss_pf_mask(struct adapter *adapter)
*
* Writes the specified value to the PF RSS Mask register.
*/
-void t4_write_rss_pf_mask(struct adapter *adapter, u32 pfmask)
+void t4_write_rss_pf_mask(struct adapter *adapter, u32 pfmask, bool sleep_ok)
{
- if (t4_use_ldst(adapter))
- t4_fw_tp_pio_rw(adapter, &pfmask, 1, A_TP_RSS_PF_MSK, 0);
- else
- t4_write_indirect(adapter, A_TP_PIO_ADDR, A_TP_PIO_DATA,
- &pfmask, 1, A_TP_RSS_PF_MSK);
+ t4_tp_pio_write(adapter, &pfmask, 1, A_TP_RSS_PF_MSK, sleep_ok);
}
/**
@@ -5145,12 +5228,13 @@ void t4_write_rss_pf_mask(struct adapter *adapter, u32
* @adap: the adapter
* @v4: holds the TCP/IP counter values
* @v6: holds the TCP/IPv6 counter values
+ * @sleep_ok: if true we may sleep while awaiting command completion
*
* Returns the values of TP's TCP/IP and TCP/IPv6 MIB counters.
* Either @v4 or @v6 may be %NULL to skip the corresponding stats.
*/
void t4_tp_get_tcp_stats(struct adapter *adap, struct tp_tcp_stats *v4,
- struct tp_tcp_stats *v6)
+ struct tp_tcp_stats *v6, bool sleep_ok)
{
u32 val[A_TP_MIB_TCP_RXT_SEG_LO - A_TP_MIB_TCP_OUT_RST + 1];
@@ -5159,16 +5243,16 @@ void t4_tp_get_tcp_stats(struct adapter *adap, struct
#define STAT64(x) (((u64)STAT(x##_HI) << 32) | STAT(x##_LO))
if (v4) {
- t4_read_indirect(adap, A_TP_MIB_INDEX, A_TP_MIB_DATA, val,
- ARRAY_SIZE(val), A_TP_MIB_TCP_OUT_RST);
+ t4_tp_mib_read(adap, val, ARRAY_SIZE(val),
+ A_TP_MIB_TCP_OUT_RST, sleep_ok);
v4->tcp_out_rsts = STAT(OUT_RST);
v4->tcp_in_segs = STAT64(IN_SEG);
v4->tcp_out_segs = STAT64(OUT_SEG);
v4->tcp_retrans_segs = STAT64(RXT_SEG);
}
if (v6) {
- t4_read_indirect(adap, A_TP_MIB_INDEX, A_TP_MIB_DATA, val,
- ARRAY_SIZE(val), A_TP_MIB_TCP_V6OUT_RST);
+ t4_tp_mib_read(adap, val, ARRAY_SIZE(val),
+ A_TP_MIB_TCP_V6OUT_RST, sleep_ok);
v6->tcp_out_rsts = STAT(OUT_RST);
v6->tcp_in_segs = STAT64(IN_SEG);
v6->tcp_out_segs = STAT64(OUT_SEG);
@@ -5183,32 +5267,41 @@ void t4_tp_get_tcp_stats(struct adapter *adap, struct
* t4_tp_get_err_stats - read TP's error MIB counters
* @adap: the adapter
* @st: holds the counter values
+ * @sleep_ok: if true we may sleep while awaiting command completion
*
* Returns the values of TP's error counters.
*/
-void t4_tp_get_err_stats(struct adapter *adap, struct tp_err_stats *st)
+void t4_tp_get_err_stats(struct adapter *adap, struct tp_err_stats *st,
+ bool sleep_ok)
{
int nchan = adap->chip_params->nchan;
- t4_read_indirect(adap, A_TP_MIB_INDEX, A_TP_MIB_DATA,
- st->mac_in_errs, nchan, A_TP_MIB_MAC_IN_ERR_0);
- t4_read_indirect(adap, A_TP_MIB_INDEX, A_TP_MIB_DATA,
- st->hdr_in_errs, nchan, A_TP_MIB_HDR_IN_ERR_0);
- t4_read_indirect(adap, A_TP_MIB_INDEX, A_TP_MIB_DATA,
- st->tcp_in_errs, nchan, A_TP_MIB_TCP_IN_ERR_0);
- t4_read_indirect(adap, A_TP_MIB_INDEX, A_TP_MIB_DATA,
- st->tnl_cong_drops, nchan, A_TP_MIB_TNL_CNG_DROP_0);
- t4_read_indirect(adap, A_TP_MIB_INDEX, A_TP_MIB_DATA,
- st->ofld_chan_drops, nchan, A_TP_MIB_OFD_CHN_DROP_0);
- t4_read_indirect(adap, A_TP_MIB_INDEX, A_TP_MIB_DATA,
- st->tnl_tx_drops, nchan, A_TP_MIB_TNL_DROP_0);
- t4_read_indirect(adap, A_TP_MIB_INDEX, A_TP_MIB_DATA,
- st->ofld_vlan_drops, nchan, A_TP_MIB_OFD_VLN_DROP_0);
- t4_read_indirect(adap, A_TP_MIB_INDEX, A_TP_MIB_DATA,
- st->tcp6_in_errs, nchan, A_TP_MIB_TCP_V6IN_ERR_0);
+ t4_tp_mib_read(adap, st->mac_in_errs, nchan, A_TP_MIB_MAC_IN_ERR_0,
+ sleep_ok);
- t4_read_indirect(adap, A_TP_MIB_INDEX, A_TP_MIB_DATA,
- &st->ofld_no_neigh, 2, A_TP_MIB_OFD_ARP_DROP);
+ t4_tp_mib_read(adap, st->hdr_in_errs, nchan, A_TP_MIB_HDR_IN_ERR_0,
+ sleep_ok);
+
+ t4_tp_mib_read(adap, st->tcp_in_errs, nchan, A_TP_MIB_TCP_IN_ERR_0,
+ sleep_ok);
+
+ t4_tp_mib_read(adap, st->tnl_cong_drops, nchan,
+ A_TP_MIB_TNL_CNG_DROP_0, sleep_ok);
+
+ t4_tp_mib_read(adap, st->ofld_chan_drops, nchan,
+ A_TP_MIB_OFD_CHN_DROP_0, sleep_ok);
+
+ t4_tp_mib_read(adap, st->tnl_tx_drops, nchan, A_TP_MIB_TNL_DROP_0,
+ sleep_ok);
+
+ t4_tp_mib_read(adap, st->ofld_vlan_drops, nchan,
+ A_TP_MIB_OFD_VLN_DROP_0, sleep_ok);
+
+ t4_tp_mib_read(adap, st->tcp6_in_errs, nchan,
+ A_TP_MIB_TCP_V6IN_ERR_0, sleep_ok);
+
+ t4_tp_mib_read(adap, &st->ofld_no_neigh, 2, A_TP_MIB_OFD_ARP_DROP,
+ sleep_ok);
}
/**
@@ -5218,29 +5311,30 @@ void t4_tp_get_err_stats(struct adapter *adap, struct
*
* Returns the values of TP's proxy counters.
*/
-void t4_tp_get_proxy_stats(struct adapter *adap, struct tp_proxy_stats *st)
+void t4_tp_get_proxy_stats(struct adapter *adap, struct tp_proxy_stats *st,
+ bool sleep_ok)
{
int nchan = adap->chip_params->nchan;
- t4_read_indirect(adap, A_TP_MIB_INDEX, A_TP_MIB_DATA, st->proxy,
- nchan, A_TP_MIB_TNL_LPBK_0);
+ t4_tp_mib_read(adap, st->proxy, nchan, A_TP_MIB_TNL_LPBK_0, sleep_ok);
}
/**
* t4_tp_get_cpl_stats - read TP's CPL MIB counters
* @adap: the adapter
* @st: holds the counter values
+ * @sleep_ok: if true we may sleep while awaiting command completion
*
* Returns the values of TP's CPL counters.
*/
-void t4_tp_get_cpl_stats(struct adapter *adap, struct tp_cpl_stats *st)
+void t4_tp_get_cpl_stats(struct adapter *adap, struct tp_cpl_stats *st,
+ bool sleep_ok)
{
int nchan = adap->chip_params->nchan;
- t4_read_indirect(adap, A_TP_MIB_INDEX, A_TP_MIB_DATA, st->req,
- nchan, A_TP_MIB_CPL_IN_REQ_0);
- t4_read_indirect(adap, A_TP_MIB_INDEX, A_TP_MIB_DATA, st->rsp,
- nchan, A_TP_MIB_CPL_OUT_RSP_0);
+ t4_tp_mib_read(adap, st->req, nchan, A_TP_MIB_CPL_IN_REQ_0, sleep_ok);
+
+ t4_tp_mib_read(adap, st->rsp, nchan, A_TP_MIB_CPL_OUT_RSP_0, sleep_ok);
}
/**
@@ -5250,10 +5344,11 @@ void t4_tp_get_cpl_stats(struct adapter *adap, struct
*
* Returns the values of TP's RDMA counters.
*/
-void t4_tp_get_rdma_stats(struct adapter *adap, struct tp_rdma_stats *st)
+void t4_tp_get_rdma_stats(struct adapter *adap, struct tp_rdma_stats *st,
+ bool sleep_ok)
{
- t4_read_indirect(adap, A_TP_MIB_INDEX, A_TP_MIB_DATA, &st->rqe_dfr_pkt,
- 2, A_TP_MIB_RQE_DFR_PKT);
+ t4_tp_mib_read(adap, &st->rqe_dfr_pkt, 2, A_TP_MIB_RQE_DFR_PKT,
+ sleep_ok);
}
/**
@@ -5261,20 +5356,24 @@ void t4_tp_get_rdma_stats(struct adapter *adap, struct
* @adap: the adapter
* @idx: the port index
* @st: holds the counter values
+ * @sleep_ok: if true we may sleep while awaiting command completion
*
* Returns the values of TP's FCoE counters for the selected port.
*/
void t4_get_fcoe_stats(struct adapter *adap, unsigned int idx,
- struct tp_fcoe_stats *st)
+ struct tp_fcoe_stats *st, bool sleep_ok)
{
u32 val[2];
- t4_read_indirect(adap, A_TP_MIB_INDEX, A_TP_MIB_DATA, &st->frames_ddp,
- 1, A_TP_MIB_FCOE_DDP_0 + idx);
- t4_read_indirect(adap, A_TP_MIB_INDEX, A_TP_MIB_DATA, &st->frames_drop,
- 1, A_TP_MIB_FCOE_DROP_0 + idx);
- t4_read_indirect(adap, A_TP_MIB_INDEX, A_TP_MIB_DATA, val,
- 2, A_TP_MIB_FCOE_BYTE_0_HI + 2 * idx);
+ t4_tp_mib_read(adap, &st->frames_ddp, 1, A_TP_MIB_FCOE_DDP_0 + idx,
+ sleep_ok);
+
+ t4_tp_mib_read(adap, &st->frames_drop, 1,
+ A_TP_MIB_FCOE_DROP_0 + idx, sleep_ok);
+
+ t4_tp_mib_read(adap, val, 2, A_TP_MIB_FCOE_BYTE_0_HI + 2 * idx,
+ sleep_ok);
+
st->octets_ddp = ((u64)val[0] << 32) | val[1];
}
@@ -5282,15 +5381,17 @@ void t4_get_fcoe_stats(struct adapter *adap, unsigned
* t4_get_usm_stats - read TP's non-TCP DDP MIB counters
* @adap: the adapter
* @st: holds the counter values
+ * @sleep_ok: if true we may sleep while awaiting command completion
*
* Returns the values of TP's counters for non-TCP directly-placed packets.
*/
-void t4_get_usm_stats(struct adapter *adap, struct tp_usm_stats *st)
+void t4_get_usm_stats(struct adapter *adap, struct tp_usm_stats *st,
+ bool sleep_ok)
{
u32 val[4];
- t4_read_indirect(adap, A_TP_MIB_INDEX, A_TP_MIB_DATA, val, 4,
- A_TP_MIB_USM_PKTS);
+ t4_tp_mib_read(adap, val, 4, A_TP_MIB_USM_PKTS, sleep_ok);
+
st->frames = val[0];
st->drops = val[1];
st->octets = ((u64)val[2] << 32) | val[3];
@@ -5869,7 +5970,7 @@ void t4_get_port_stats_offset(struct adapter *adap, in
void t4_get_port_stats(struct adapter *adap, int idx, struct port_stats *p)
{
u32 bgmap = t4_get_mps_bg_map(adap, idx);
- u32 stat_ctl;
+ u32 stat_ctl = t4_read_reg(adap, A_MPS_STAT_CTL);
#define GET_STAT(name) \
t4_read_reg64(adap, \
@@ -5877,8 +5978,6 @@ void t4_get_port_stats(struct adapter *adap, int idx,
T5_PORT_REG(idx, A_MPS_PORT_STAT_##name##_L)))
#define GET_STAT_COM(name) t4_read_reg64(adap, A_MPS_STAT_##name##_L)
- stat_ctl = t4_read_reg(adap, A_MPS_STAT_CTL);
-
p->tx_pause = GET_STAT(TX_PORT_PAUSE);
p->tx_octets = GET_STAT(TX_PORT_BYTES);
p->tx_frames = GET_STAT(TX_PORT_FRAMES);
@@ -7676,51 +7775,120 @@ struct flash_desc {
int t4_get_flash_params(struct adapter *adapter)
{
/*
- * Table for non-Numonix supported flash parts. Numonix parts are left
- * to the preexisting well-tested code. All flash parts have 64KB
- * sectors.
+ * Table for non-standard supported Flash parts. Note, all Flash
+ * parts must have 64KB sectors.
*/
static struct flash_desc supported_flash[] = {
- { 0x150201, 4 << 20 }, /* Spansion 4MB S25FL032P */
+ { 0x00150201, 4 << 20 }, /* Spansion 4MB S25FL032P */
};
int ret;
- u32 info = 0;
+ u32 flashid = 0;
+ unsigned int part, manufacturer;
+ unsigned int density, size;
+
+ /*
+ * Issue a Read ID Command to the Flash part. We decode supported
+ * Flash parts and their sizes from this. There's a newer Query
+ * Command which can retrieve detailed geometry information but many
+ * Flash parts don't support it.
+ */
ret = sf1_write(adapter, 1, 1, 0, SF_RD_ID);
if (!ret)
- ret = sf1_read(adapter, 3, 0, 1, &info);
+ ret = sf1_read(adapter, 3, 0, 1, &flashid);
t4_write_reg(adapter, A_SF_OP, 0); /* unlock SF */
if (ret < 0)
return ret;
- for (ret = 0; ret < ARRAY_SIZE(supported_flash); ++ret)
- if (supported_flash[ret].vendor_and_model_id == info) {
- adapter->params.sf_size = supported_flash[ret].size_mb;
+ /*
+ * Check to see if it's one of our non-standard supported Flash parts.
+ */
+ for (part = 0; part < ARRAY_SIZE(supported_flash); part++)
+ if (supported_flash[part].vendor_and_model_id == flashid) {
+ adapter->params.sf_size =
+ supported_flash[part].size_mb;
adapter->params.sf_nsec =
adapter->params.sf_size / SF_SEC_SIZE;
- return 0;
+ goto found;
}
- if ((info & 0xff) != 0x20) /* not a Numonix flash */
+ /*
+ * Decode Flash part size. The code below looks repetative with
+ * common encodings, but that's not guaranteed in the JEDEC
+ * specification for the Read JADEC ID command. The only thing that
+ * we're guaranteed by the JADEC specification is where the
+ * Manufacturer ID is in the returned result. After that each
+ * Manufacturer ~could~ encode things completely differently.
+ * Note, all Flash parts must have 64KB sectors.
+ */
+ manufacturer = flashid & 0xff;
*** DIFF OUTPUT TRUNCATED AT 1000 LINES ***
More information about the svn-src-all
mailing list