diff options
| -rw-r--r-- | arch/powerpc/include/asm/opal-api.h | 3 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/opal.h | 1 | ||||
| -rw-r--r-- | arch/powerpc/platforms/powernv/opal-wrappers.S | 1 | ||||
| -rw-r--r-- | arch/powerpc/platforms/powernv/opal.c | 2 | ||||
| -rw-r--r-- | drivers/crypto/nx/nx-842-powernv.c | 31 |
5 files changed, 34 insertions, 4 deletions
diff --git a/arch/powerpc/include/asm/opal-api.h b/arch/powerpc/include/asm/opal-api.h index 56a94a1bd754..8365353330b4 100644 --- a/arch/powerpc/include/asm/opal-api.h +++ b/arch/powerpc/include/asm/opal-api.h @@ -209,7 +209,8 @@ #define OPAL_SENSOR_GROUP_ENABLE 163 #define OPAL_PCI_GET_PBCQ_TUNNEL_BAR 164 #define OPAL_PCI_SET_PBCQ_TUNNEL_BAR 165 -#define OPAL_LAST 165 +#define OPAL_NX_COPROC_INIT 167 +#define OPAL_LAST 167 #define QUIESCE_HOLD 1 /* Spin all calls at entry */ #define QUIESCE_REJECT 2 /* Fail all calls with OPAL_BUSY */ diff --git a/arch/powerpc/include/asm/opal.h b/arch/powerpc/include/asm/opal.h index 2e81555de643..834e7e29f1e4 100644 --- a/arch/powerpc/include/asm/opal.h +++ b/arch/powerpc/include/asm/opal.h @@ -293,6 +293,7 @@ int opal_get_power_shift_ratio(u32 handle, int token, u32 *psr); int opal_set_power_shift_ratio(u32 handle, int token, u32 psr); int opal_sensor_group_clear(u32 group_hndl, int token); int opal_sensor_group_enable(u32 group_hndl, int token, bool enable); +int opal_nx_coproc_init(uint32_t chip_id, uint32_t ct); s64 opal_signal_system_reset(s32 cpu); s64 opal_quiesce(u64 shutdown_type, s32 cpu); diff --git a/arch/powerpc/platforms/powernv/opal-wrappers.S b/arch/powerpc/platforms/powernv/opal-wrappers.S index 029b37c04f35..251528231a9e 100644 --- a/arch/powerpc/platforms/powernv/opal-wrappers.S +++ b/arch/powerpc/platforms/powernv/opal-wrappers.S @@ -330,3 +330,4 @@ OPAL_CALL(opal_pci_get_pbcq_tunnel_bar, OPAL_PCI_GET_PBCQ_TUNNEL_BAR); OPAL_CALL(opal_pci_set_pbcq_tunnel_bar, OPAL_PCI_SET_PBCQ_TUNNEL_BAR); OPAL_CALL(opal_sensor_read_u64, OPAL_SENSOR_READ_U64); OPAL_CALL(opal_sensor_group_enable, OPAL_SENSOR_GROUP_ENABLE); +OPAL_CALL(opal_nx_coproc_init, OPAL_NX_COPROC_INIT); diff --git a/arch/powerpc/platforms/powernv/opal.c b/arch/powerpc/platforms/powernv/opal.c index 46f58ff80bcf..404c379db168 100644 --- a/arch/powerpc/platforms/powernv/opal.c +++ b/arch/powerpc/platforms/powernv/opal.c @@ -1090,3 +1090,5 @@ EXPORT_SYMBOL_GPL(opal_write_oppanel_async); EXPORT_SYMBOL_GPL(opal_int_set_mfrr); EXPORT_SYMBOL_GPL(opal_int_eoi); EXPORT_SYMBOL_GPL(opal_error_code); +/* Export the below symbol for NX compression */ +EXPORT_SYMBOL(opal_nx_coproc_init); diff --git a/drivers/crypto/nx/nx-842-powernv.c b/drivers/crypto/nx/nx-842-powernv.c index 36afd6d8753c..c68df7e8bee1 100644 --- a/drivers/crypto/nx/nx-842-powernv.c +++ b/drivers/crypto/nx/nx-842-powernv.c @@ -24,6 +24,8 @@ #include <asm/icswx.h> #include <asm/vas.h> #include <asm/reg.h> +#include <asm/opal-api.h> +#include <asm/opal.h> MODULE_LICENSE("GPL"); MODULE_AUTHOR("Dan Streetman <ddstreet@ieee.org>"); @@ -753,7 +755,7 @@ static int nx842_open_percpu_txwins(void) } static int __init vas_cfg_coproc_info(struct device_node *dn, int chip_id, - int vasid) + int vasid, int *ct) { struct vas_window *rxwin = NULL; struct vas_rx_win_attr rxattr; @@ -837,6 +839,15 @@ static int __init vas_cfg_coproc_info(struct device_node *dn, int chip_id, coproc->vas.id = vasid; nx842_add_coprocs_list(coproc, chip_id); + /* + * (lpid, pid, tid) combination has to be unique for each + * coprocessor instance in the system. So to make it + * unique, skiboot uses coprocessor type such as 842 or + * GZIP for pid and provides this value to kernel in pid + * device-tree property. + */ + *ct = pid; + return 0; err_out: @@ -850,6 +861,7 @@ static int __init nx842_powernv_probe_vas(struct device_node *pn) struct device_node *dn; int chip_id, vasid, ret = 0; int nx_fifo_found = 0; + int uninitialized_var(ct); chip_id = of_get_ibm_chip_id(pn); if (chip_id < 0) { @@ -865,7 +877,7 @@ static int __init nx842_powernv_probe_vas(struct device_node *pn) for_each_child_of_node(pn, dn) { if (of_device_is_compatible(dn, "ibm,p9-nx-842")) { - ret = vas_cfg_coproc_info(dn, chip_id, vasid); + ret = vas_cfg_coproc_info(dn, chip_id, vasid, &ct); if (ret) { of_node_put(dn); return ret; @@ -876,9 +888,22 @@ static int __init nx842_powernv_probe_vas(struct device_node *pn) if (!nx_fifo_found) { pr_err("NX842 FIFO nodes are missing\n"); - ret = -EINVAL; + return -EINVAL; } + /* + * Initialize NX instance for both high and normal priority FIFOs. + */ + if (opal_check_token(OPAL_NX_COPROC_INIT)) { + ret = opal_nx_coproc_init(chip_id, ct); + if (ret) { + pr_err("Failed to initialize NX for chip(%d): %d\n", + chip_id, ret); + ret = opal_error_code(ret); + } + } else + pr_warn("Firmware doesn't support NX initialization\n"); + return ret; } |